@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700&family=Syne:wght@600;700;800&display=swap');

:root {
  --night: #061a42;
  --deep: #072f70;
  --panel: #0b4da2;
  --paper: #f1f7ff;
  --paper-2: #ffffff;
  --ink: #0a2145;
  --muted: #58708f;
  --line: rgba(7, 47, 112, 0.14);
  --ice: #8fd8ff;
  --ice-dark: #075eb8;
  --signal: #efb753;
  --white: #ffffff;
  --max: 76ch;
  --wide: 1180px;
  --radius: 18px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  margin: 0;
  overflow-x: hidden;
  background:
    linear-gradient(90deg, transparent 0 49.9%, rgba(20, 38, 45, 0.025) 50%, transparent 50.1%),
    var(--paper);
  background-size: 72px 72px;
  color: var(--ink);
  font-family: "Manrope", sans-serif;
  font-size: 1rem;
  line-height: 1.72;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E");
}

::selection {
  background: var(--ice);
  color: var(--night);
}

a { color: var(--ice-dark); }

a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 4px;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--night);
  font-family: "Syne", sans-serif;
  line-height: 1.08;
}

h1 {
  max-width: 920px;
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 700;
  letter-spacing: -0.065em;
  text-wrap: balance;
}

h2 {
  position: relative;
  margin-top: 3.5rem;
  padding-top: 1.25rem;
  font-size: clamp(1.8rem, 3.7vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

h2::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 46px;
  height: 3px;
  background: var(--ice-dark);
}

h3 {
  margin-top: 2rem;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

p,
li { max-width: var(--max); }

p { margin: 0.85rem 0; }

b,
strong { font-weight: 700; }

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  min-height: 76px;
  padding: 0.65rem max(1.15rem, calc((100vw - var(--wide)) / 2));
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(7, 19, 26, 0.94);
  box-shadow: 0 12px 40px rgba(4, 13, 18, 0.16);
  backdrop-filter: blur(18px);
}

.nav a {
  position: relative;
  padding: 0.62rem 0.78rem;
  color: rgba(251, 252, 249, 0.66);
  font-family: "DM Mono", monospace;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 180ms ease, background-color 180ms ease;
}

.nav a:not(.brand)::after {
  content: "";
  position: absolute;
  right: 0.78rem;
  bottom: 0.35rem;
  left: 0.78rem;
  height: 1px;
  background: var(--ice);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.nav a:hover,
.nav a[aria-current] {
  color: var(--white);
}

.nav a:hover::after,
.nav a[aria-current]::after { transform: scaleX(1); }

.nav .brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-right: auto;
  padding-left: 0;
  color: var(--white);
  font-family: "Syne", sans-serif;
  font-size: 0.87rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-transform: none;
}

.nav .brand::before {
  content: "";
  width: 25px;
  height: 25px;
  border: 1px solid var(--ice);
  border-radius: 50% 50% 50% 8px;
  background: radial-gradient(circle at 62% 32%, var(--white) 0 7%, var(--ice) 8% 25%, transparent 26%);
  transform: rotate(45deg);
}

.nav-groups { display: flex; gap: 0.35rem; align-items: center; }
.nav-toggle { display: none; }
.nav-menu { position: relative; }
.nav-menu summary {
  display: flex;
  gap: 0.65rem;
  align-items: center;
  padding: 0.72rem 0.9rem;
  border-radius: 8px;
  color: rgba(251,252,249,0.7);
  font: 500 0.71rem "DM Mono", monospace;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  list-style: none;
  transition: color 180ms ease, background-color 180ms ease;
}
.nav-menu summary::-webkit-details-marker { display: none; }
.nav-menu summary::after { content: "⌄"; color: var(--ice); font-size: 0.9rem; line-height: 1; transition: transform 180ms ease; }
.nav-menu[open] summary::after { transform: rotate(180deg); }
.nav-menu summary:hover,
.nav-menu summary.is-active,
.nav-menu[open] summary { background: rgba(143,216,255,0.09); color: var(--white); }
.nav-dropdown {
  position: absolute;
  top: calc(100% + 0.75rem);
  right: 0;
  display: grid;
  min-width: 255px;
  padding: 0.65rem;
  border: 1px solid rgba(143,216,255,0.15);
  border-radius: 12px;
  background: rgba(5,20,35,0.98);
  box-shadow: 0 22px 55px rgba(2,10,20,0.36);
  backdrop-filter: blur(20px);
}
.nav-menu--wide .nav-dropdown { grid-template-columns: 1fr 1fr; width: 430px; }
.nav-dropdown a { padding: 0.72rem 0.8rem; border-radius: 7px; color: rgba(255,255,255,0.68); font-size: 0.65rem; letter-spacing: 0.035em; text-transform: none; }
.nav-dropdown a::after { display: none; }
.nav-dropdown a:hover,
.nav-dropdown a[aria-current] { background: rgba(143,216,255,0.1); color: var(--white); }
.nav-dropdown a[aria-current]::before { content: "•"; margin-right: 0.45rem; color: var(--ice); }

@media (max-width: 760px) {
  .nav { min-height: 64px; justify-content: space-between; padding: 0.55rem 0.85rem; overflow: visible; }
  .nav .brand { gap: 0.5rem; font-size: 0.7rem; }
  .nav .brand::before { width: 21px; height: 21px; }
  .nav-toggle { display: inline-flex; align-items: center; gap: 0.65rem; padding: 0.62rem 0.72rem; border: 1px solid rgba(255,255,255,0.16); border-radius: 7px; background: transparent; color: rgba(255,255,255,0.78); font: 500 0.6rem "DM Mono", monospace; letter-spacing: 0.08em; text-transform: uppercase; cursor: pointer; }
  .nav-toggle i, .nav-toggle i::before, .nav-toggle i::after { display: block; width: 15px; height: 1px; background: currentColor; transition: transform 180ms ease, opacity 180ms ease; }
  .nav-toggle i { position: relative; }
  .nav-toggle i::before, .nav-toggle i::after { content: ""; position: absolute; left: 0; }
  .nav-toggle i::before { top: -5px; }
  .nav-toggle i::after { top: 5px; }
  .nav--open .nav-toggle i { background: transparent; }
  .nav--open .nav-toggle i::before { top: 0; transform: rotate(45deg); }
  .nav--open .nav-toggle i::after { top: 0; transform: rotate(-45deg); }
  .nav-groups { position: fixed; top: 64px; right: 0; left: 0; display: none; max-height: calc(100vh - 64px); overflow-y: auto; align-items: stretch; gap: 0; margin: 0; padding: 0.55rem 0.85rem 1rem; border-top: 1px solid rgba(255,255,255,0.08); background: rgba(7,19,26,0.985); box-shadow: 0 22px 40px rgba(4,13,18,0.24); }
  .nav--open .nav-groups { display: grid; }
  .nav-menu { border-bottom: 1px solid rgba(255,255,255,0.09); }
  .nav-menu summary { justify-content: space-between; gap: 0.3rem; padding: 0.9rem 0.35rem; font-size: 0.64rem; }
  .nav-dropdown,
  .nav-menu--wide .nav-dropdown { position: static; grid-template-columns: 1fr 1fr; width: auto; min-width: 0; max-height: none; margin: 0 0 0.65rem; padding: 0.35rem; border: 0; border-radius: 8px; background: rgba(255,255,255,0.045); box-shadow: none; }
  .nav-dropdown a { padding: 0.7rem 0.65rem; }
}

@media (max-width: 470px) {
  .nav .brand { width: auto; overflow: visible; font-size: 0.62rem; }
  .nav-dropdown,
  .nav-menu--wide .nav-dropdown { grid-template-columns: 1fr; }
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: 520px;
  overflow: hidden;
  padding: clamp(4.5rem, 10vw, 8rem) 1.25rem clamp(7.5rem, 13vw, 11rem);
  background:
    radial-gradient(circle at 78% 35%, rgba(143, 216, 255, 0.24), transparent 23%),
    linear-gradient(135deg, var(--night), var(--deep));
  color: var(--white);
}

.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 8%;
  right: -8vw;
  width: min(52vw, 680px);
  aspect-ratio: 1;
  border: 1px solid rgba(143, 216, 255, 0.24);
  border-radius: 50%;
  box-shadow:
    0 0 0 70px rgba(143, 216, 255, 0.05),
    0 0 0 140px rgba(143, 216, 255, 0.025);
}

.hero::after {
  content: "−162°C  /  CRYOGENIC PROCESS";
  position: absolute;
  right: max(1.25rem, calc((100vw - var(--wide)) / 2));
  bottom: 5.4rem;
  color: rgba(143, 216, 255, 0.6);
  font-family: "DM Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  writing-mode: vertical-rl;
}

.hero .in {
  position: relative;
  max-width: var(--wide);
  margin: 0 auto;
}

.hero .type {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  color: var(--ice);
  font-family: "DM Mono", monospace;
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero .type::before {
  content: "";
  width: 36px;
  height: 1px;
  background: currentColor;
}

.hero h1 { color: var(--white); }

.hero p {
  max-width: 680px;
  margin-top: 1.6rem;
  color: rgba(237, 242, 239, 0.68);
  font-size: clamp(1.05rem, 2vw, 1.26rem);
  line-height: 1.65;
}

.plate {
  position: relative;
  z-index: 3;
  max-width: var(--wide);
  margin: -4.25rem auto 0;
  padding: 0 1.25rem;
}

.plate table {
  width: 100%;
  overflow: hidden;
  border: 0;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius);
  background: rgba(247, 249, 246, 0.97);
  box-shadow: 0 24px 70px rgba(7, 19, 26, 0.16);
  font-size: 0.91rem;
}

.plate caption {
  padding: 0.95rem 1.25rem;
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--ice);
  color: var(--night);
  font-family: "DM Mono", monospace;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-align: left;
  text-transform: uppercase;
}

.plate th,
.plate td {
  padding: 0.85rem 1.25rem;
  border: 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.plate tr:last-child th,
.plate tr:last-child td { border-bottom: 0; }

.plate th {
  width: 28%;
  background: rgba(16, 41, 52, 0.035);
  color: var(--deep);
  font-family: "DM Mono", monospace;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

main {
  max-width: var(--wide);
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6rem) 1.25rem 7rem;
}

.grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 270px;
  gap: clamp(3rem, 7vw, 7rem);
  align-items: start;
}

.grid > div > p:first-of-type {
  color: #31464d;
  font-size: 1.07rem;
}

aside {
  position: sticky;
  top: 105px;
  padding: 1.4rem;
  border: 1px solid rgba(143, 216, 255, 0.2);
  border-radius: 14px;
  background: var(--deep);
  box-shadow: 0 20px 40px rgba(7, 19, 26, 0.12);
  color: rgba(237, 242, 239, 0.7);
  font-size: 0.84rem;
}

aside::before {
  content: "REFERENCE / FIELD NOTES";
  display: block;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--ice);
  font-family: "DM Mono", monospace;
  font-size: 0.61rem;
  letter-spacing: 0.12em;
}

aside h3 {
  margin-top: 0;
  color: var(--white);
  font-size: 1.07rem;
}

aside ul {
  margin: 0.7rem 0 0;
  padding-left: 1.1rem;
}

aside li { margin: 0.45rem 0; }
aside a { color: var(--ice); }

.flow {
  display: grid;
  gap: 0;
  max-width: none;
  margin: 1.7rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.flow li {
  position: relative;
  max-width: none;
  margin-left: 24px;
  padding: 1.3rem 1.25rem 1.3rem 2.2rem;
  border-left: 1px solid rgba(7, 94, 184, 0.34);
  background: transparent;
}

.flow li::before {
  content: counter(step, decimal-leading-zero);
  counter-increment: step;
  position: absolute;
  top: 1.15rem;
  left: -25px;
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid rgba(7, 94, 184, 0.4);
  border-radius: 50%;
  background: var(--paper-2);
  color: var(--ice-dark);
  font-family: "DM Mono", monospace;
  font-size: 0.72rem;
  font-weight: 500;
}

.flow b { color: var(--deep); }

.scroll {
  margin: 1.5rem 0;
  overflow-x: auto;
  border-radius: 14px;
  box-shadow: 0 10px 34px rgba(7, 19, 26, 0.07);
}

table.data {
  width: 100%;
  min-width: 650px;
  margin: 0;
  border: 0;
  border-collapse: collapse;
  background: var(--paper-2);
  font-size: 0.88rem;
}

table.data th,
table.data td {
  padding: 0.95rem 1rem;
  border: 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

table.data tr:last-child td { border-bottom: 0; }

table.data th {
  background: var(--deep);
  color: var(--ice);
  font-family: "DM Mono", monospace;
  font-size: 0.69rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

table.data tr { transition: background-color 160ms ease; }
table.data tr:hover { background: rgba(143, 216, 255, 0.18); }

.safety {
  position: relative;
  max-width: var(--max);
  margin: 2.25rem 0;
  overflow: hidden;
  padding: 1.4rem 1.5rem 1.4rem 4.4rem;
  border: 1px solid rgba(239, 183, 83, 0.38);
  border-radius: 14px;
  background: #fff5de;
  box-shadow: 0 12px 30px rgba(88, 60, 14, 0.06);
}

.safety::before {
  content: "!";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  display: grid;
  width: 3.2rem;
  place-items: center;
  background: var(--signal);
  color: var(--night);
  font-family: "Syne", sans-serif;
  font-size: 1.45rem;
  font-weight: 800;
}

.safety strong {
  color: var(--night);
  font-family: "Syne", sans-serif;
}

.pc {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}

.pc > div {
  position: relative;
  overflow: hidden;
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper-2);
}

.pc > div::after {
  content: "";
  position: absolute;
  right: -35px;
  bottom: -35px;
  width: 90px;
  height: 90px;
  border: 1px solid rgba(7, 94, 184, 0.2);
  border-radius: 50%;
}

.pc h3 { margin-top: 0; }

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.card {
  position: relative;
  display: block;
  min-height: 190px;
  overflow: hidden;
  padding: 1.5rem;
  border: 1px solid rgba(143, 216, 255, 0.18);
  border-radius: 14px;
  background: var(--deep);
  color: rgba(237, 242, 239, 0.68);
  text-decoration: none;
  transition: transform 220ms ease, box-shadow 220ms ease, background-color 220ms ease;
}

.card:nth-child(3n) { grid-column: span 2; }

.card::before {
  content: "OPEN MODULE  →";
  position: absolute;
  right: 1.4rem;
  bottom: 1.2rem;
  color: var(--ice);
  font-family: "DM Mono", monospace;
  font-size: 0.64rem;
  letter-spacing: 0.08em;
}

.card::after {
  content: "";
  position: absolute;
  top: -65px;
  right: -65px;
  width: 150px;
  height: 150px;
  border: 1px solid rgba(143, 216, 255, 0.24);
  border-radius: 50%;
}

.card:hover {
  z-index: 1;
  background: var(--panel);
  box-shadow: 0 22px 40px rgba(7, 19, 26, 0.18);
  transform: translateY(-5px);
}

.card h3 {
  max-width: 75%;
  margin-top: 0;
  color: var(--white);
}

.card span {
  display: block;
  max-width: 80%;
  color: rgba(237, 242, 239, 0.62);
  font-size: 0.85rem;
}

.instrumentation-card {
  border-color: rgba(239, 183, 83, 0.38);
  background: linear-gradient(135deg, #071f38, #0c4a5b);
}
.instrumentation-card::before { color: #efc779; }
.instrumentation-card::after { border-color: rgba(110, 215, 173, 0.36); }
.hazardous-card { border-color: rgba(223,161,43,0.45); background: linear-gradient(135deg,#191d20,#4a3618); }
.hazardous-card::before { color: #efc779; }
.hazardous-card::after { border-color: rgba(223,161,43,0.45); border-radius: 4px; transform: rotate(45deg); }

dl { max-width: var(--max); }

dt {
  margin-top: 1.1rem;
  color: var(--deep);
  font-family: "DM Mono", monospace;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

dd {
  margin: 0.2rem 0 0;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.quiz {
  max-width: var(--max);
  margin-top: 2.5rem;
  overflow: hidden;
  border: 1px solid rgba(143, 216, 255, 0.24);
  border-radius: 14px;
  background: var(--deep);
  color: rgba(237, 242, 239, 0.72);
}

.quiz summary {
  position: relative;
  padding: 1.25rem 4rem 1.25rem 1.4rem;
  color: var(--white);
  font-family: "Syne", sans-serif;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.quiz summary::-webkit-details-marker { display: none; }

.quiz summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 1.4rem;
  color: var(--ice);
  font-family: "DM Mono", monospace;
  font-size: 1.35rem;
  transform: translateY(-50%);
}

.quiz[open] summary::after { content: "−"; }

.quiz > *:not(summary) {
  margin-right: 1.4rem;
  margin-left: 1.4rem;
}

.quiz > *:last-child { margin-bottom: 1.4rem; }

footer {
  padding: 2.2rem 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--night);
  color: rgba(237, 242, 239, 0.48);
  font-family: "DM Mono", monospace;
  font-size: 0.67rem;
  letter-spacing: 0.04em;
  text-align: center;
}

@media (max-width: 900px) {
  .nav {
    align-items: flex-start;
    overflow-x: auto;
    padding-right: 1rem;
    padding-left: 1rem;
  }

  .nav .brand {
    position: sticky;
    left: 0;
    z-index: 2;
    min-width: max-content;
    padding-right: 1.2rem;
    background: var(--night);
  }

  .grid { grid-template-columns: 1fr; }

  aside {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 1.5rem;
  }

  aside::before { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  html { font-size: 15px; }

  .nav { min-height: 64px; }
  .nav .brand { font-size: 0; }
  .nav .brand::before { width: 27px; height: 27px; }

  .hero {
    min-height: 450px;
    padding-top: 4rem;
    padding-bottom: 7rem;
  }

  .hero::before {
    top: 35%;
    right: -38vw;
    width: 100vw;
  }

  .hero::after { right: 1rem; bottom: 4rem; }

  .plate {
    margin-top: -3.25rem;
    padding: 0 0.75rem;
  }

  .plate table { display: block; }
  .plate caption { display: block; }
  .plate tbody { display: block; }
  .plate tr { display: block; padding: 0.85rem 1rem; border-bottom: 1px solid var(--line); }
  .plate tr:last-child { border-bottom: 0; }

  .plate th,
  .plate td {
    display: block;
    width: 100%;
    padding: 0;
    border: 0;
    background: transparent;
  }

  .plate th { margin-bottom: 0.25rem; color: var(--ice-dark); }

  main { padding-top: 3.5rem; }
  .grid { gap: 3rem; }
  .pc, .cards, aside { grid-template-columns: 1fr; }
  .card:nth-child(3n) { grid-column: auto; }
  .safety { padding-left: 4rem; }
}

/* Process Academy industry atlas */
.academy-home {
  --academy-paper: #f4f8ff;
  --academy-ink: #072f70;
  --academy-accent: #0b63ce;
  --signal: #4fb8ff;
  background: var(--academy-paper);
  color: var(--academy-ink);
}

.academy-home .nav {
  border-bottom-color: rgba(7,47,112,0.1);
  background: rgba(255,255,255,0.94);
  box-shadow: 0 10px 32px rgba(7,47,112,0.08);
}

.academy-home .nav a,
.academy-home .nav-menu summary { color: rgba(7,47,112,0.68); }
.academy-home .nav .brand { color: var(--academy-ink); }
.academy-home .nav-menu summary:hover,
.academy-home .nav-menu summary.is-active { color: var(--academy-ink); }
.academy-home .nav-menu summary::after { border-color: rgba(7,47,112,0.5); }
.academy-home .nav-dropdown { background: rgba(255,255,255,0.98); box-shadow: 0 22px 55px rgba(7,47,112,0.18); }
.academy-home .nav-dropdown a:hover,
.academy-home .nav-dropdown a[aria-current] { background: rgba(11,99,206,0.1); color: var(--academy-ink); }
.academy-home .nav-dropdown a[aria-current]::before { color: var(--academy-accent); }
.academy-home .nav-toggle { border-color: rgba(7,47,112,0.18); color: rgba(7,47,112,0.76); }

.academy-kicker,
.sector-kicker {
  color: currentColor;
  font-family: "DM Mono", monospace;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.academy-hero {
  position: relative;
  display: grid;
  min-height: calc(100vh - 76px);
  overflow: hidden;
  grid-template-columns: minmax(0, 1.2fr) minmax(330px, 0.8fr);
  padding: clamp(4rem, 8vw, 8rem) max(1.25rem, calc((100vw - 1180px) / 2)) 7rem;
  background:
    radial-gradient(circle at 78% 42%, rgba(79,184,255,0.18), transparent 29%),
    linear-gradient(90deg, rgba(7,47,112,0.055) 1px, transparent 1px) 0 0 / 76px 76px,
    linear-gradient(rgba(7,47,112,0.055) 1px, transparent 1px) 0 0 / 76px 76px,
    #ffffff;
  color: var(--academy-ink);
}

.academy-hero::after {
  content: "INDUSTRIAL PROCESS / FIELD KNOWLEDGE";
  position: absolute;
  right: 1.4rem;
  bottom: 8rem;
  color: rgba(7,47,112,0.24);
  font: 500 0.58rem "DM Mono", monospace;
  letter-spacing: 0.16em;
  writing-mode: vertical-rl;
}

.academy-hero__copy { position: relative; z-index: 2; align-self: center; max-width: 750px; }
.academy-hero .academy-kicker { color: var(--academy-accent); }
.academy-hero h1 { margin-top: 1.25rem; color: var(--academy-ink); font-size: clamp(3.5rem, 8vw, 7.5rem); }
.academy-hero h1 em { color: #0b63ce; font-family: Georgia, serif; font-size: 0.82em; font-weight: 400; letter-spacing: -0.06em; }
.academy-hero__copy > p { max-width: 650px; margin-top: 2rem; color: rgba(7,47,112,0.68); font-size: clamp(1rem, 1.7vw, 1.2rem); }
.academy-actions { display: flex; align-items: center; gap: 1.6rem; margin-top: 2.4rem; }
.academy-button { padding: 0.9rem 1.15rem; background: var(--academy-ink); color: #ffffff; font: 700 0.72rem "DM Mono", monospace; letter-spacing: 0.08em; text-decoration: none; text-transform: uppercase; transition: transform 180ms ease, background 180ms ease; }
.academy-button:hover { transform: translateY(-3px); background: var(--academy-accent); }
.academy-text-link { color: rgba(7,47,112,0.76); font-size: 0.78rem; text-decoration: none; }
.academy-text-link span { margin-left: 0.4rem; color: var(--academy-accent); }

.atlas { position: relative; align-self: center; justify-self: center; width: min(36vw, 470px); aspect-ratio: 1; }
.atlas::before, .atlas::after { content: ""; position: absolute; inset: 10%; border: 1px dashed rgba(7,47,112,0.2); border-radius: 50%; animation: atlas-spin 40s linear infinite; }
.atlas::after { inset: 22%; border-style: solid; border-color: rgba(11,99,206,0.3); animation-direction: reverse; animation-duration: 28s; }
.atlas__orbit { position: absolute; border-radius: 50%; }
.atlas__orbit--one { inset: 0; border: 1px solid rgba(7,47,112,0.16); }
.atlas__orbit--one::before, .atlas__orbit--two::before { content: ""; position: absolute; width: 11px; height: 11px; border-radius: 50%; background: #4fb8ff; box-shadow: 0 0 0 8px rgba(79,184,255,0.12); }
.atlas__orbit--one::before { top: 14%; left: 14%; }
.atlas__orbit--two { inset: 16%; border: 1px solid rgba(7,47,112,0.22); transform: rotate(-28deg); }
.atlas__orbit--two::before { right: 6%; bottom: 25%; }
.atlas__core { position: absolute; inset: 33%; display: grid; place-content: center; border-radius: 50%; background: #0b63ce; color: #ffffff; text-align: center; box-shadow: 0 0 0 18px rgba(11,99,206,0.11); }
.atlas__core span { font: 700 clamp(2.5rem, 5vw, 4.5rem) "Syne", sans-serif; line-height: 0.8; }
.atlas__core small { margin-top: 0.75rem; font: 500 0.55rem "DM Mono", monospace; letter-spacing: 0.12em; text-transform: uppercase; }
.atlas__label { position: absolute; padding: 0.3rem 0.5rem; background: #ffffff; color: rgba(7,47,112,0.58); font: 500 0.55rem "DM Mono", monospace; letter-spacing: 0.14em; }
.atlas__label--one { top: 12%; right: 2%; }.atlas__label--two { bottom: 13%; left: -2%; }.atlas__label--three { right: 2%; bottom: 27%; }
.academy-hero__rail { position: absolute; right: 0; bottom: 0; left: 0; display: flex; align-items: center; gap: 1rem; padding: 1.1rem max(1.25rem, calc((100vw - 1180px) / 2)); border-top: 1px solid rgba(7,47,112,0.1); color: rgba(7,47,112,0.42); font: 500 0.56rem "DM Mono", monospace; letter-spacing: 0.14em; }
.academy-hero__rail i { height: 1px; flex: 1; background: rgba(7,47,112,0.16); }
@keyframes atlas-spin { to { transform: rotate(360deg); } }

.academy-main { max-width: 1180px; padding-top: clamp(5rem, 10vw, 9rem); }
.academy-main h2::before { display: none; }
.industry-intro { display: grid; grid-template-columns: 1fr 0.75fr; gap: 4rem; align-items: end; }
.industry-intro h2, .academy-method h2, .academy-roles h2 { margin-top: 0.5rem; padding: 0; color: var(--academy-ink); }
.industry-intro > p { margin: 0; color: #58708f; font-size: 1.05rem; }

.industry-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1rem; margin-top: 3.5rem; }
.industry-card { --card-accent: #0b63ce; position: relative; display: flex; min-height: 330px; overflow: hidden; flex-direction: column; justify-content: space-between; grid-column: span 4; padding: 1.5rem; border: 1px solid rgba(7,47,112,0.13); background: rgba(255,255,255,0.72); color: var(--academy-ink); text-decoration: none; transition: transform 220ms ease, color 220ms ease, background 220ms ease; }
.industry-card:nth-child(1) { grid-column: span 5; }
.industry-card:nth-child(2) { grid-column: span 7; }
.industry-card:nth-child(3),
.industry-card:nth-child(4),
.industry-card:nth-child(5) { grid-column: span 4; }
.industry-card:nth-child(6),
.industry-card:nth-child(7) { grid-column: span 6; }
.industry-card::after { content: ""; position: absolute; right: -5rem; bottom: -7rem; width: 16rem; aspect-ratio: 1; border: 1px solid currentColor; border-radius: 50%; opacity: 0.08; box-shadow: 0 0 0 30px currentColor, 0 0 0 31px transparent; transition: transform 350ms ease; }
.industry-card:hover { z-index: 2; transform: translateY(-7px); background: var(--card-accent); color: #ffffff; }
.industry-card:hover::after { transform: scale(1.15) translate(-1rem, -1rem); }
.industry-card__number, .industry-card__tag, .industry-card__route { position: relative; z-index: 1; font-family: "DM Mono", monospace; }
.industry-card__number { font-size: 0.66rem; letter-spacing: 0.1em; }
.industry-card__tag { position: absolute; top: 1.5rem; right: 1.5rem; padding: 0.25rem 0.45rem; border: 1px solid currentColor; font-size: 0.52rem; letter-spacing: 0.08em; text-transform: uppercase; opacity: 0.62; }
.industry-card h2 { margin: 0 0 0.6rem; padding: 0; color: inherit; font-size: clamp(2rem, 4vw, 3.5rem); }
.industry-card p { max-width: 28rem; color: inherit; line-height: 1.5; opacity: 0.66; }
.industry-card__route { font-size: 0.58rem; letter-spacing: 0.04em; opacity: 0.58; }
.industry-card--oilgas { --card-accent: #075eb8; }.industry-card--refinery { --card-accent: #0b4da2; }.industry-card--gold { --card-accent: #1d6fd1; }.industry-card--iron { --card-accent: #2365ad; }.industry-card--nickel { --card-accent: #1877c9; }.industry-card--coal { --card-accent: #092b57; }.industry-card--lng { --card-accent: #148acb; }

.academy-method { margin-top: clamp(6rem, 12vw, 11rem); }
.academy-method__heading { display: flex; justify-content: space-between; gap: 2rem; align-items: end; }
.academy-method ol { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin: 3rem 0 0; padding: 1px; background: rgba(7,47,112,0.15); list-style: none; }
.academy-method li { min-height: 260px; padding: 1.5rem; background: var(--academy-paper); }
.academy-method li span { display: block; margin-bottom: 4rem; color: var(--academy-accent); font: 500 0.62rem "DM Mono", monospace; }
.academy-method li strong { font-family: "Syne", sans-serif; font-size: 1.1rem; }
.academy-method li p { color: #58708f; font-size: 0.82rem; line-height: 1.55; }
.academy-roles { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(3rem, 8vw, 8rem); margin-top: clamp(6rem, 12vw, 11rem); padding: clamp(2rem, 5vw, 4rem); background: #e2efff; }
.academy-roles > div > p { color: #58708f; }
.academy-role-links { border-top: 1px solid rgba(7,47,112,0.18); }
.academy-role-links a { display: grid; grid-template-columns: 90px 1fr auto; align-items: center; gap: 1rem; padding: 1.15rem 0; border-bottom: 1px solid rgba(7,47,112,0.18); color: var(--academy-ink); text-decoration: none; transition: padding 180ms ease; }
.academy-role-links a:hover { padding-left: 0.7rem; }
.academy-role-links small { font: 500 0.56rem "DM Mono", monospace; letter-spacing: 0.08em; text-transform: uppercase; opacity: 0.56; }
.academy-role-links strong { font-family: "Syne", sans-serif; }
.academy-role-links span { color: var(--academy-accent); }

/* Shared commodity modules */
.sector-page { --sector: #62766e; --sector-dark: #172521; --sector-pale: #e8ece8; background: #eeeae1; color: #1d2925; }
.sector-oilgas { --sector: #718c68; --sector-dark: #182b25; --sector-pale: #e2e8dc; }
.sector-refinery { --sector: #b66248; --sector-dark: #351c1b; --sector-pale: #efe0d8; }
.sector-gold { --sector: #c39a43; --sector-dark: #302718; --sector-pale: #efe8d2; }
.sector-iron { --sector: #a85538; --sector-dark: #30201c; --sector-pale: #ecddd5; }
.sector-nickel { --sector: #609087; --sector-dark: #18302d; --sector-pale: #dce9e5; }
.sector-coal { --sector: #797d78; --sector-dark: #222523; --sector-pale: #e0e1dc; }
.sector-shell { max-width: none; margin: 0; padding: 0; }
.sector-loading { min-height: 70vh; margin: 0; padding: 8rem 2rem; background: var(--sector-dark); color: #eeeae1; text-align: center; }
.sector-shell h2::before { display: none; }
.sector-hero { position: relative; display: grid; min-height: 650px; overflow: hidden; grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr); padding: clamp(4rem, 8vw, 7rem) max(1.25rem, calc((100vw - 1180px) / 2)) 9rem; background: var(--sector-dark); color: #f3efe6; }
.sector-hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px) 0 0 / 80px 80px, linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px) 0 0 / 80px 80px; mask-image: linear-gradient(to right, #000, transparent 75%); }
.sector-hero__copy { position: relative; z-index: 1; align-self: center; }
.sector-back { display: inline-block; margin-bottom: 3.5rem; color: rgba(243,239,230,0.48); font: 500 0.62rem "DM Mono", monospace; letter-spacing: 0.06em; text-decoration: none; text-transform: uppercase; }
.sector-back:hover { color: var(--sector); }
.sector-hero .sector-kicker { color: var(--sector); }
.sector-hero h1 { margin-top: 0.8rem; color: #f3efe6; font-size: clamp(4rem, 10vw, 8.5rem); }
.sector-hero__copy p { max-width: 650px; margin-top: 1.6rem; color: rgba(243,239,230,0.62); font-size: clamp(1rem, 2vw, 1.25rem); }
.sector-mark { position: relative; align-self: center; justify-self: center; width: min(32vw, 380px); aspect-ratio: 1; border: 1px solid rgba(255,255,255,0.13); border-radius: 50%; }
.sector-mark::before, .sector-mark::after { content: ""; position: absolute; border-radius: 50%; }
.sector-mark::before { inset: 12%; border: 1px dashed rgba(255,255,255,0.15); animation: atlas-spin 35s linear infinite; }
.sector-mark::after { inset: 29%; background: var(--sector); box-shadow: 0 0 0 18px color-mix(in srgb, var(--sector) 12%, transparent); }
.sector-mark > span { position: absolute; z-index: 1; inset: 29%; display: grid; place-items: center; color: var(--sector-dark); font: 700 clamp(2.5rem, 5vw, 5rem) "Syne", sans-serif; }
.sector-mark i { position: absolute; top: 4%; left: 50%; z-index: 2; width: 9px; height: 9px; border-radius: 50%; background: var(--sector); box-shadow: 0 0 0 7px color-mix(in srgb, var(--sector) 12%, transparent); }
.sector-mark small { position: absolute; right: 2%; bottom: 17%; color: rgba(243,239,230,0.35); font: 500 0.54rem "DM Mono", monospace; letter-spacing: 0.12em; }
.sector-nameplate { position: absolute; right: max(1.25rem, calc((100vw - 1180px) / 2)); bottom: 0; left: max(1.25rem, calc((100vw - 1180px) / 2)); display: grid; grid-template-columns: 1fr 1fr 2fr; margin: 0; border-top: 1px solid rgba(255,255,255,0.12); }
.sector-nameplate div { min-height: 92px; padding: 1rem 1.4rem; border-right: 1px solid rgba(255,255,255,0.12); }
.sector-nameplate div:first-child { padding-left: 0; }.sector-nameplate div:last-child { border: 0; }
.sector-nameplate dt { color: var(--sector); font: 500 0.55rem "DM Mono", monospace; letter-spacing: 0.12em; text-transform: uppercase; }
.sector-nameplate dd { margin: 0.35rem 0 0; color: rgba(243,239,230,0.72); font-size: 0.78rem; }

.process-explorer, .equipment-section, .hazard-section, .scenario-lab, .sector-next, .sector-disclaimer { max-width: 1180px; margin-right: auto; margin-left: auto; }
.process-explorer, .equipment-section, .hazard-section { padding: clamp(5rem, 10vw, 9rem) 1.25rem; }
.sector-section-title { display: grid; grid-template-columns: 180px 1fr; gap: 2rem; align-items: start; }
.sector-section-title > span { padding-top: 1rem; color: var(--sector); font: 500 0.61rem "DM Mono", monospace; letter-spacing: 0.12em; text-transform: uppercase; }
.sector-section-title h2 { max-width: 780px; margin: 0; padding: 0; font-size: clamp(2.2rem, 5vw, 4.6rem); }
.process-line { position: relative; display: grid; grid-template-columns: repeat(6, 1fr); margin-top: 4rem; }
.process-line::before { content: ""; position: absolute; top: 18px; right: 8%; left: 8%; height: 1px; background: rgba(29,41,37,0.18); }
.process-line button { position: relative; display: grid; gap: 0.8rem; justify-items: center; padding: 0; border: 0; background: transparent; color: #68716d; font: 600 0.67rem "Manrope", sans-serif; cursor: pointer; }
.process-line button span { position: relative; z-index: 1; display: grid; width: 37px; height: 37px; place-items: center; border: 1px solid rgba(29,41,37,0.24); border-radius: 50%; background: #eeeae1; color: #68716d; font: 500 0.58rem "DM Mono", monospace; transition: background 180ms ease, transform 180ms ease, color 180ms ease; }
.process-line button:hover span, .process-line button.is-active span { transform: scale(1.12); border-color: var(--sector); background: var(--sector); color: var(--sector-dark); }
.process-line button.is-active { color: #1d2925; }
.stage-readout { position: relative; min-height: 220px; margin: 3rem 0 0 180px; padding: 2rem 2.2rem 2rem 6.5rem; background: var(--sector-pale); }
.stage-readout::before { content: ""; position: absolute; top: 0; bottom: 0; left: 0; width: 5px; background: var(--sector); }
.stage-readout > span { position: absolute; top: 2.25rem; left: 2rem; color: var(--sector); font: 500 0.58rem "DM Mono", monospace; letter-spacing: 0.08em; text-transform: uppercase; writing-mode: vertical-rl; }
.stage-readout h3 { margin: 0; font-size: clamp(1.5rem, 3vw, 2.4rem); }
.stage-readout p { color: #5e6864; font-size: 0.95rem; }

.equipment-section { border-top: 1px solid rgba(29,41,37,0.13); }
.equipment-rack { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 3.5rem; padding: 1px; background: rgba(29,41,37,0.13); }
.equipment-rack article { min-height: 390px; padding: 1.4rem; background: #eeeae1; }
.equipment-rack article > span { color: var(--sector); font: 500 0.56rem "DM Mono", monospace; }
.equipment-glyph { position: relative; height: 150px; margin: 2rem 0; }
.equipment-glyph i { position: absolute; display: block; border: 1px solid var(--sector); }
.equipment-glyph i:first-child { inset: 18px 18%; border-radius: 50%; }
.equipment-glyph i:nth-child(2) { top: 50%; right: 0; left: 0; height: 1px; border: 0; background: rgba(29,41,37,0.18); }
.equipment-glyph i:last-child { top: 50%; left: 50%; width: 12px; height: 12px; border-radius: 50%; background: var(--sector); transform: translate(-50%, -50%); }
.equipment-rack h3 { margin: 0; font-size: 1.12rem; }
.equipment-rack p { color: #65706b; font-size: 0.8rem; line-height: 1.55; }

.control-board { padding: clamp(5rem, 9vw, 8rem) max(1.25rem, calc((100vw - 1180px) / 2)); background: var(--sector-dark); color: #f3efe6; }
.sector-section-title--light h2 { color: #f3efe6; }.sector-section-title--light > span { color: var(--sector); }
.control-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 4rem; background: rgba(255,255,255,0.12); }
.control-grid article { min-height: 300px; padding: 1.5rem; background: var(--sector-dark); }
.control-dial { position: relative; width: 90px; height: 90px; margin-bottom: 3.2rem; border: 1px solid rgba(255,255,255,0.18); border-radius: 50%; }
.control-dial::before { content: ""; position: absolute; top: 8px; left: 50%; width: 1px; height: 34px; background: var(--sector); transform: rotate(42deg); transform-origin: 0 37px; }
.control-dial span { position: absolute; right: -0.2rem; bottom: 0.1rem; color: var(--sector); font: 500 0.58rem "DM Mono", monospace; }
.control-grid h3 { margin: 0; color: #f3efe6; font-size: 1.08rem; }
.control-grid p { color: rgba(243,239,230,0.53); font-size: 0.78rem; line-height: 1.55; }

.hazard-section { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(3rem, 8vw, 8rem); }
.hazard-section .sector-section-title { display: block; }
.hazard-section .sector-section-title h2 { margin-top: 0.8rem; font-size: clamp(2.2rem, 4.5vw, 3.8rem); }
.hazard-list { border-top: 1px solid rgba(29,41,37,0.16); }
.hazard-list details { border-bottom: 1px solid rgba(29,41,37,0.16); }
.hazard-list summary { display: flex; align-items: center; gap: 1rem; padding: 1.1rem 0; color: #1d2925; font-family: "Syne", sans-serif; font-weight: 700; cursor: pointer; list-style: none; }
.hazard-list summary::-webkit-details-marker { display: none; }
.hazard-list summary span { display: grid; width: 34px; height: 34px; place-items: center; border-radius: 50%; background: var(--sector-pale); color: var(--sector); font: 500 0.58rem "DM Mono", monospace; }
.hazard-list summary::after { content: "+"; margin-left: auto; color: var(--sector); font: 400 1.3rem "DM Mono", monospace; }
.hazard-list details[open] summary::after { content: "−"; }
.hazard-list p { margin: 0; padding: 0 2rem 1.3rem 3.2rem; color: #626c68; font-size: 0.86rem; }

.scenario-lab { display: grid; grid-template-columns: 1fr 1fr; margin-bottom: clamp(5rem, 10vw, 9rem); background: var(--sector); color: var(--sector-dark); }
.scenario-lab > div { min-height: 290px; padding: clamp(1.8rem, 4vw, 3.5rem); }
.scenario-lab > div:first-child { border-right: 1px solid color-mix(in srgb, var(--sector-dark) 20%, transparent); }
.scenario-lab h2 { margin: 0.6rem 0 1.5rem; padding: 0; color: var(--sector-dark); }
.scenario-lab p { line-height: 1.6; }
.scenario-answer { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.scenario-answer button { padding: 0.9rem 1.1rem; border: 1px solid var(--sector-dark); background: transparent; color: var(--sector-dark); font: 700 0.63rem "DM Mono", monospace; letter-spacing: 0.08em; text-transform: uppercase; cursor: pointer; transition: background 180ms ease, color 180ms ease; }
.scenario-answer button:hover { background: var(--sector-dark); color: var(--sector); }
.scenario-answer p { margin-top: 1.5rem; font-size: 0.86rem; }
.sector-next { padding: 0 1.25rem clamp(5rem, 10vw, 8rem); }
.sector-next > span { color: var(--sector); font: 500 0.62rem "DM Mono", monospace; letter-spacing: 0.1em; text-transform: uppercase; }
.sector-next h2 { max-width: 800px; margin: 0.6rem 0 2.5rem; padding: 0; }
.sector-next > div { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(29,41,37,0.16); }
.sector-next a { display: flex; justify-content: space-between; padding: 1.2rem 1rem 1.2rem 0; border-bottom: 1px solid rgba(29,41,37,0.16); color: #1d2925; font-family: "Syne", sans-serif; font-weight: 700; text-decoration: none; }
.sector-next a:not(:last-child) { margin-right: 1rem; }
.sector-next b { color: var(--sector); }
.sector-disclaimer { margin-bottom: 4rem; padding: 1.2rem 1.25rem; border-left: 4px solid var(--sector); background: var(--sector-pale); color: #59635f; font-size: 0.77rem; }
.sector-disclaimer strong { color: #1d2925; }

@media (max-width: 900px) {
  .academy-hero { grid-template-columns: 1fr; }.atlas { position: absolute; right: -8rem; bottom: 3rem; width: 440px; opacity: 0.42; }
  .academy-hero__copy { max-width: 680px; }.industry-card, .industry-card:nth-child(n) { grid-column: span 6; }.industry-card:nth-child(7) { grid-column: 1 / -1; }
  .academy-method ol { grid-template-columns: 1fr 1fr; }.academy-roles { grid-template-columns: 1fr; }
  .sector-hero { grid-template-columns: 1fr; }.sector-mark { position: absolute; right: -8rem; bottom: 6rem; width: 380px; opacity: 0.5; }
  .equipment-rack, .control-grid { grid-template-columns: 1fr 1fr; }.hazard-section { grid-template-columns: 1fr; }.stage-readout { margin-left: 0; }
}

@media (max-width: 640px) {
  .academy-hero { min-height: 690px; padding-top: 4rem; }.academy-hero::after, .academy-hero__rail { display: none; }.academy-hero h1 { font-size: clamp(3.15rem, 15vw, 4.6rem); }.academy-actions { align-items: flex-start; flex-direction: column; gap: 1rem; }.atlas { right: -10rem; bottom: -3rem; width: 360px; }
  .industry-intro { grid-template-columns: 1fr; gap: 1rem; }.industry-grid { display: block; }.industry-card, .industry-card:nth-child(n) { min-height: 285px; margin-bottom: 0.85rem; }.industry-card h2 { font-size: 2.5rem; }
  .academy-method__heading { display: block; }.academy-method ol { grid-template-columns: 1fr; }.academy-method li { min-height: 220px; }.academy-method li span { margin-bottom: 2.5rem; }.academy-role-links a { grid-template-columns: 65px 1fr auto; }
  .sector-hero { min-height: 690px; padding-top: 3.5rem; padding-bottom: 14rem; }.sector-back { margin-bottom: 2.4rem; }.sector-hero h1 { font-size: clamp(3.5rem, 17vw, 5.4rem); }.sector-mark { right: -9rem; bottom: 7rem; width: 310px; }
  .sector-nameplate { grid-template-columns: 1fr 1fr; }.sector-nameplate div { min-height: 72px; padding: 0.75rem; }.sector-nameplate div:first-child { padding-left: 0; }.sector-nameplate div:last-child { grid-column: 1 / -1; padding-left: 0; border-top: 1px solid rgba(255,255,255,0.12); }
  .sector-section-title { display: block; }.sector-section-title h2 { margin-top: 0.6rem; }.process-line { grid-template-columns: repeat(3, 1fr); gap: 1.4rem 0.5rem; }.process-line::before { display: none; }.process-line button { font-size: 0.6rem; }.stage-readout { min-height: 260px; padding: 1.6rem 1.3rem 1.6rem 4.2rem; }.stage-readout > span { top: 1.8rem; left: 1.25rem; }
  .equipment-rack, .control-grid { grid-template-columns: 1fr; }.equipment-rack article { min-height: 330px; }.control-grid article { min-height: 260px; }
  .scenario-lab { grid-template-columns: 1fr; margin-right: 1.25rem; margin-left: 1.25rem; }.scenario-lab > div { min-height: 230px; }.scenario-lab > div:first-child { border-right: 0; border-bottom: 1px solid color-mix(in srgb, var(--sector-dark) 20%, transparent); }
  .sector-next > div { grid-template-columns: 1fr; }.sector-next a:not(:last-child) { margin-right: 0; }.sector-disclaimer { margin-right: 1.25rem; margin-left: 1.25rem; }
}

@media (max-width: 760px) {
  .academy-home .nav-groups { border-top-color: rgba(7,47,112,0.1); background: rgba(255,255,255,0.99); box-shadow: 0 22px 40px rgba(7,47,112,0.14); }
  .academy-home .nav-menu { border-bottom-color: rgba(7,47,112,0.1); }
  .academy-home .nav-dropdown,
  .academy-home .nav-menu--wide .nav-dropdown { background: rgba(7,47,112,0.045); }
}

@media (prefers-reduced-motion: reduce) {
  .atlas::before, .atlas::after, .sector-mark::before { animation: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

.reading-progress {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 40;
  height: 3px;
  pointer-events: none;
}

.reading-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #4fb8ff, #dff6ff);
  box-shadow: 0 0 18px rgba(79, 184, 255, 0.65);
  transform: scaleX(0);
  transform-origin: left;
}

.bubble-field {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.bubble-field span {
  position: absolute;
  bottom: -100px;
  left: var(--x);
  width: var(--size);
  height: var(--size);
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 26%, rgba(255, 255, 255, 0.72), transparent 12%),
    radial-gradient(circle at 65% 72%, rgba(38, 151, 233, 0.12), rgba(255, 255, 255, 0.04) 68%);
  box-shadow: inset 0 0 18px rgba(255, 255, 255, 0.1), 0 0 20px rgba(76, 178, 255, 0.08);
  opacity: 0;
  animation: bubble-rise var(--duration) var(--delay) infinite ease-in;
}

@keyframes bubble-rise {
  0% { opacity: 0; transform: translate3d(0, 80px, 0) scale(0.7); }
  12% { opacity: 0.65; }
  70% { opacity: 0.3; }
  100% { opacity: 0; transform: translate3d(30px, -720px, 0) scale(1.12); }
}

.hero .in { z-index: 2; }

.site-tools {
  position: fixed;
  right: 1.1rem;
  bottom: 1.1rem;
  z-index: 15;
  display: flex;
  gap: 0.4rem;
  opacity: 0;
  transform: translateY(15px);
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.site-tools.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.site-tools button,
.text-button {
  border: 1px solid rgba(7, 94, 184, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 10px 30px rgba(6, 26, 66, 0.14);
  color: var(--deep);
  font-family: "DM Mono", monospace;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
}

.site-tools button { min-width: 43px; min-height: 43px; padding: 0 0.9rem; }
.site-tools button:hover, .text-button:hover { background: #e6f5ff; }

.reveal-item {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 650ms ease, transform 650ms cubic-bezier(.2,.8,.2,1);
}

.reveal-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.selected-row td {
  background: #dff2ff;
  color: var(--deep);
}

.focus-mode .grid { grid-template-columns: minmax(0, 850px); justify-content: center; }
.focus-mode aside { display: none; }

.eyebrow {
  display: block;
  margin-bottom: 0.8rem;
  color: var(--ice-dark);
  font-family: "DM Mono", monospace;
  font-size: 0.69rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  gap: 2rem;
  align-items: end;
  margin-bottom: 2rem;
}

.section-heading h2 { margin-top: 0; }
.section-heading h2::before { display: none; }
.section-heading > p { color: var(--muted); }

.operator-page main {
  display: grid;
  gap: clamp(5rem, 10vw, 9rem);
}

.operator-page main h2 { margin-top: 0; }
.operator-page main h2::before { display: none; }
.operator-hero { min-height: 650px; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.7rem 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  color: #fff;
  font-family: "DM Mono", monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 180ms ease, background-color 180ms ease;
}

.button.primary { border-color: #fff; background: #fff; color: var(--deep); }
.button.ghost { background: rgba(255, 255, 255, 0.06); }
.button:hover { transform: translateY(-2px); }

.operator-intro {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: clamp(3rem, 7vw, 7rem);
  align-items: start;
}

.mindset-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.mindset-grid article {
  min-height: 220px;
  padding: 1.5rem;
  border: 1px solid rgba(7, 94, 184, 0.14);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 16px 40px rgba(6, 26, 66, 0.07);
}

.mindset-grid article:nth-child(2), .mindset-grid article:nth-child(4) { transform: translateY(2rem); }
.mindset-grid article > span, .competency-track article > span {
  color: var(--ice-dark);
  font-family: "DM Mono", monospace;
  font-size: 0.68rem;
}
.mindset-grid h3 { margin-top: 2.5rem; }
.mindset-grid p { color: var(--muted); font-size: 0.88rem; }

.operator-console {
  overflow: hidden;
  border: 1px solid rgba(143, 216, 255, 0.25);
  border-radius: 26px;
  background: var(--deep);
  box-shadow: 0 30px 80px rgba(6, 26, 66, 0.22);
}

.process-selector {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.process-tab {
  min-height: 66px;
  padding: 0.8rem;
  border: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  background: transparent;
  color: rgba(255, 255, 255, 0.52);
  font-family: "DM Mono", monospace;
  font-size: 0.66rem;
  cursor: pointer;
  transition: color 180ms ease, background-color 180ms ease;
}

.process-tab:last-child { border-right: 0; }
.process-tab:hover { color: #fff; }
.process-tab.active { background: #fff; color: var(--deep); }

.console-screen {
  padding: clamp(1.5rem, 4vw, 3rem);
  background:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px),
    var(--deep);
  background-size: 28px 28px;
  color: rgba(255, 255, 255, 0.68);
}

.screen-topline {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.screen-topline span, .console-metrics span, .operator-question span, .variable-explainer span {
  color: var(--ice);
  font-family: "DM Mono", monospace;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.screen-topline strong { color: #fff; font-family: "Syne", sans-serif; font-size: 1.05rem; }
.status-light { width: 9px; height: 9px; border-radius: 50%; background: #85e7ff; box-shadow: 0 0 0 6px rgba(133, 231, 255, 0.1); }
.console-screen > p { max-width: 720px; margin: 1.5rem 0 2rem; }

.console-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.1);
}

.console-metrics div { min-height: 155px; padding: 1.25rem; background: rgba(5, 30, 73, 0.86); }
.console-metrics strong { display: block; margin: 1.2rem 0 0.35rem; color: #fff; font-family: "Syne", sans-serif; }
.console-metrics small { color: rgba(255, 255, 255, 0.55); }

.operator-question {
  margin-top: 1.5rem;
  padding: 1.25rem;
  border: 1px solid rgba(143, 216, 255, 0.2);
  border-radius: 16px;
  background: rgba(143, 216, 255, 0.08);
}
.operator-question p { margin-bottom: 0; color: #fff; }

.shift-timeline { position: relative; max-width: 920px; margin-left: auto; }
.shift-timeline::before { content: ""; position: absolute; top: 0; bottom: 0; left: 64px; width: 1px; background: linear-gradient(var(--ice-dark), rgba(7,94,184,0.08)); }
.shift-timeline article { display: grid; grid-template-columns: 64px 1fr; gap: 2rem; padding-bottom: 2rem; }
.shift-timeline .time { position: relative; z-index: 1; align-self: start; padding: 0.4rem 0; background: var(--paper); color: var(--ice-dark); font-family: "DM Mono", monospace; font-size: 0.68rem; }
.shift-timeline article > div { padding: 0 0 1.5rem; border-bottom: 1px solid var(--line); }
.shift-timeline h3 { margin-top: 0; }
.detail-toggle, .handover-builder button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ice-dark);
  font-family: "DM Mono", monospace;
  font-size: 0.68rem;
  font-weight: 500;
  cursor: pointer;
}
.detail-toggle::after { content: " +"; }
.detail-panel { display: grid; grid-template-rows: 0fr; opacity: 0; transition: grid-template-rows 260ms ease, opacity 260ms ease; }
.detail-panel > * { overflow: hidden; }
.detail-panel.open { grid-template-rows: 1fr; opacity: 1; }

.variable-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0.75rem; }
.variable-card {
  min-height: 160px;
  padding: 1.2rem;
  border: 1px solid rgba(7, 94, 184, 0.14);
  border-radius: 20px;
  background: #fff;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: transform 180ms ease, color 180ms ease, background-color 180ms ease;
}
.variable-card:hover { transform: translateY(-4px); }
.variable-card.active { background: var(--deep); color: #fff; }
.variable-card > span { display: grid; width: 42px; height: 42px; place-items: center; border: 1px solid rgba(7, 94, 184, 0.2); border-radius: 50%; color: var(--ice-dark); font-family: "DM Mono", monospace; }
.variable-card.active > span { border-color: rgba(255,255,255,0.2); color: var(--ice); }
.variable-card strong, .variable-card small { display: block; }
.variable-card strong { margin-top: 1.5rem; font-family: "Syne", sans-serif; }
.variable-card small { margin-top: 0.25rem; color: var(--muted); }
.variable-card.active small { color: rgba(255,255,255,0.55); }

.variable-explainer { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 1rem; overflow: hidden; border: 1px solid rgba(7,94,184,0.12); border-radius: 20px; background: var(--line); }
.variable-explainer div { padding: 1.4rem; background: #fff; }
.variable-explainer p { font-size: 0.88rem; }

.operations-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: clamp(3rem, 7vw, 7rem); }
.inspection-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: 2rem; }
.inspection-list article { padding: 1.25rem; border-left: 2px solid var(--ice-dark); background: rgba(255,255,255,0.58); }
.inspection-list b { font-family: "Syne", sans-serif; }
.inspection-list p { color: var(--muted); font-size: 0.85rem; }

.round-builder { padding: 1.6rem; border-radius: 24px; background: #fff; box-shadow: 0 24px 60px rgba(6,26,66,0.12); }
.round-builder h3 { margin-top: 0; font-size: 1.5rem; }
.round-builder > p { color: var(--muted); font-size: 0.85rem; }
.round-builder label { display: flex; gap: 0.7rem; align-items: center; padding: 0.75rem 0; border-bottom: 1px solid var(--line); font-size: 0.85rem; cursor: pointer; }
.round-builder input { width: 18px; height: 18px; accent-color: var(--ice-dark); }
.round-progress { height: 7px; margin: 1.3rem 0 0.7rem; overflow: hidden; border-radius: 99px; background: #dcecff; }
.round-progress span { display: block; width: 100%; height: 100%; background: linear-gradient(90deg, #075eb8, #55c2ff); transform: scaleX(0); transform-origin: left; transition: transform 300ms ease; }
.round-builder > strong { display: block; color: var(--deep); font-family: "DM Mono", monospace; font-size: 0.7rem; }
.text-button { margin-top: 1rem; padding: 0.6rem 0.9rem; box-shadow: none; }

.alarm-lab { padding: clamp(2rem, 5vw, 4rem); border-radius: 32px; background: var(--deep); color: rgba(255,255,255,0.68); }
.alarm-lab h2 { color: #fff; }
.alarm-lab .eyebrow { color: var(--ice); }
.alarm-lab .section-heading > p { color: rgba(255,255,255,0.55); }
.scenario-picker { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.scenario-button { padding: 0.75rem 1rem; border: 1px solid rgba(255,255,255,0.15); border-radius: 999px; background: transparent; color: rgba(255,255,255,0.62); font-family: "DM Mono", monospace; font-size: 0.65rem; cursor: pointer; }
.scenario-button.active { border-color: #fff; background: #fff; color: var(--deep); }
.scenario-stage { display: grid; grid-template-columns: 0.75fr 1.25fr; gap: 3rem; margin-top: 2rem; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.1); }
.scenario-signal { position: relative; padding-left: 2rem; }
.scenario-signal small { color: var(--ice); font-family: "DM Mono", monospace; text-transform: uppercase; }
.scenario-signal h3 { margin-top: 1rem; color: #fff; }
.pulse-ring { position: absolute; top: 0.25rem; left: 0; width: 10px; height: 10px; border-radius: 50%; background: #73d8ff; box-shadow: 0 0 0 0 rgba(115,216,255,0.45); animation: alarm-pulse 2s infinite; }
@keyframes alarm-pulse { 70% { box-shadow: 0 0 0 13px rgba(115,216,255,0); } 100% { box-shadow: 0 0 0 0 rgba(115,216,255,0); } }
.scenario-stage ol { margin: 0; padding: 0; list-style: none; counter-reset: response; }
.scenario-stage li { position: relative; padding: 0 0 1.2rem 3rem; counter-increment: response; }
.scenario-stage li::before { content: counter(response, decimal-leading-zero); position: absolute; left: 0; color: var(--ice); font-family: "DM Mono", monospace; font-size: 0.68rem; }
.scenario-stage li b { color: #fff; }

.mode-accordion { display: grid; gap: 0.75rem; }
.mode-accordion details { overflow: hidden; border: 1px solid rgba(7,94,184,0.13); border-radius: 18px; background: #fff; }
.mode-accordion summary { position: relative; padding: 1.25rem 4rem 1.25rem 1.4rem; color: var(--deep); font-family: "Syne", sans-serif; font-weight: 700; cursor: pointer; list-style: none; }
.mode-accordion summary::-webkit-details-marker { display: none; }
.mode-accordion summary::after { content: "+"; position: absolute; right: 1.4rem; color: var(--ice-dark); }
.mode-accordion details[open] summary::after { content: "−"; }
.mode-accordion details > div { padding: 0 1.4rem 1.4rem; color: var(--muted); }

.handover-section { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(3rem,7vw,7rem); align-items: start; }
.handover-builder { display: flex; flex-wrap: wrap; gap: 0.7rem; }
.handover-builder button { padding: 0.7rem 0.9rem; border: 1px solid rgba(7,94,184,0.18); border-radius: 999px; background: #fff; }
.handover-builder button.active { border-color: var(--deep); background: var(--deep); color: #fff; }
#handover-output { width: 100%; min-height: 170px; margin-top: 1rem; padding: 1.5rem; border-radius: 24px; background: linear-gradient(135deg, var(--deep), var(--panel)); color: #fff; box-shadow: 0 22px 50px rgba(6,26,66,0.16); }

.competency-track { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; margin-top: 2rem; }
.competency-track article { position: relative; min-height: 250px; padding: 1.4rem; border-top: 1px solid var(--ice-dark); background: rgba(255,255,255,0.56); }
.competency-track article::before { content: ""; position: absolute; top: -5px; left: 1.4rem; width: 9px; height: 9px; border-radius: 50%; background: var(--ice-dark); }
.competency-track h3 { margin-top: 2.5rem; font-size: 1.05rem; }
.competency-track p { color: var(--muted); font-size: 0.82rem; }
.operator-disclaimer { margin: 0; max-width: none; }

@media (max-width: 980px) {
  .operator-intro, .operations-grid, .handover-section { grid-template-columns: 1fr; }
  .process-selector { grid-template-columns: repeat(3, 1fr); }
  .variable-grid { grid-template-columns: repeat(3, 1fr); }
  .competency-track { grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); }
  .competency-track article { border-top: 0; }
}

@media (max-width: 700px) {
  .section-heading, .scenario-stage { grid-template-columns: 1fr; }
  .mindset-grid, .inspection-list, .variable-explainer { grid-template-columns: 1fr; }
  .mindset-grid article:nth-child(2), .mindset-grid article:nth-child(4) { transform: none; }
  .process-selector { grid-template-columns: repeat(2, 1fr); }
  .console-metrics { grid-template-columns: 1fr; }
  .variable-grid { grid-template-columns: repeat(2, 1fr); }
  .competency-track { grid-template-columns: 1fr; }
  .shift-timeline::before { left: 0; }
  .shift-timeline article { grid-template-columns: 1fr; gap: 0.5rem; padding-left: 1.25rem; }
  .shift-timeline .time { background: transparent; }
  .operator-hero { min-height: 590px; }
}

@media (prefers-reduced-motion: reduce) {
  .bubble-field span, .pulse-ring { animation: none !important; }
  .bubble-field span { opacity: 0.22; }
  .reveal-item { opacity: 1; transform: none; }
}

/* Interactive plant process decks */
.process-showcase {
  --deck-accent: var(--signal);
  position: relative;
  margin: clamp(3.5rem, 7vw, 6.5rem) auto 0;
  padding: 0 1.25rem;
}

.process-showcase::before {
  content: "";
  position: absolute;
  inset: 7rem 0 auto;
  height: 520px;
  z-index: -1;
  background: linear-gradient(90deg, transparent, rgba(143, 216, 255, 0.12), transparent);
}

.process-showcase__inner {
  max-width: var(--wide);
  margin: 0 auto;
}

.process-showcase__loading {
  max-width: var(--wide);
  margin: 0 auto;
  color: var(--muted);
}

.process-showcase__heading {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.65fr);
  gap: 3rem;
  align-items: end;
  margin-bottom: 1.5rem;
}

.process-showcase__heading h2 {
  max-width: 720px;
  margin-top: 0;
  padding-top: 0;
}

.process-showcase__heading h2::before { display: none; }
.process-showcase__heading > p { margin: 0; color: var(--muted); }

.process-deck {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(360px, 0.88fr);
  min-height: 440px;
  overflow: hidden;
  border: 1px solid rgba(143, 216, 255, 0.18);
  border-radius: 30px;
  background: var(--night);
  box-shadow: 0 34px 90px rgba(6, 26, 66, 0.2);
}

.process-deck:focus-visible {
  outline: 3px solid var(--deck-accent);
  outline-offset: 5px;
}

.process-deck__visual {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
  padding: clamp(1.3rem, 3vw, 2.4rem);
  background:
    linear-gradient(rgba(143, 216, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 216, 255, 0.035) 1px, transparent 1px),
    #061d45;
  background-size: 32px 32px;
}

.process-deck__visual::after {
  content: "EQUIPMENT PROFILE / NOT TO SCALE";
  position: absolute;
  right: 1.8rem;
  bottom: 1.3rem;
  color: rgba(217, 239, 255, 0.42);
  font-family: "DM Mono", monospace;
  font-size: 0.61rem;
  letter-spacing: 0.11em;
}

.process-deck__visual svg {
  width: 100%;
  max-width: 620px;
  filter: drop-shadow(0 18px 30px rgba(0, 0, 0, 0.2));
}

.process-deck__visual.is-changing svg { animation: deck-enter 420ms cubic-bezier(.2,.8,.2,1); }

@keyframes deck-enter {
  from { opacity: 0; transform: translateY(12px) scale(0.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.process-deck__copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 4vw, 4.25rem);
  border-left: 1px solid rgba(255, 255, 255, 0.09);
  color: rgba(255, 255, 255, 0.72);
}

.process-deck__counter {
  display: flex;
  justify-content: space-between;
  margin-bottom: 2.2rem;
  color: var(--deck-accent);
  font-family: "DM Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.process-deck__counter span:last-child { color: rgba(255, 255, 255, 0.4); }

.process-deck__copy h3 {
  max-width: 520px;
  margin: 0;
  color: #fff;
  font-size: clamp(1.75rem, 3vw, 2.8rem);
  letter-spacing: -0.04em;
}

.process-deck__copy > p { margin: 1rem 0 1.5rem; }

.process-deck__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.process-deck__tags span {
  padding: 0.38rem 0.65rem;
  border: 1px solid color-mix(in srgb, var(--deck-accent) 55%, transparent);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.82);
  font-family: "DM Mono", monospace;
  font-size: 0.61rem;
  letter-spacing: 0.03em;
}

.process-deck__controls {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.8rem;
  align-items: center;
  margin-top: 2.5rem;
}

.process-deck__controls button {
  width: 46px;
  height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.19);
  border-radius: 50%;
  background: transparent;
  color: #fff;
  font-size: 1.25rem;
  cursor: pointer;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.process-deck__controls button:hover,
.process-deck__controls button:focus-visible {
  border-color: var(--deck-accent);
  background: color-mix(in srgb, var(--deck-accent) 20%, transparent);
  transform: translateY(-2px);
}

.process-deck__meter {
  height: 2px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.12);
}

.process-deck__meter span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--deck-accent);
  transform-origin: left;
  transition: transform 320ms ease;
}

.process-rail {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin-top: 0.85rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
}

.process-rail button {
  min-height: 96px;
  padding: 1rem;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font: 600 0.73rem/1.35 "Manrope", sans-serif;
  text-align: left;
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.process-rail button:last-child { border-right: 0; }
.process-rail button span { display: block; margin-bottom: 0.65rem; color: var(--ice-dark); font: 500 0.64rem "DM Mono", monospace; }
.process-rail button:hover { background: #fff; color: var(--ink); }
.process-rail button.active { background: var(--night); color: #fff; box-shadow: inset 0 3px var(--deck-accent); }
.process-rail button.active span { color: var(--deck-accent); }

/* Onshore / offshore environment explorer */
.facility-worlds {
  max-width: var(--wide);
  margin: clamp(5rem, 10vw, 9rem) auto 0;
  padding: 0 1.25rem;
  scroll-margin-top: 100px;
}

.facility-worlds__intro {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.7fr);
  gap: 3rem;
  align-items: end;
}

.facility-worlds__intro h2 { margin-top: 0; padding-top: 0; }
.facility-worlds__intro h2::before { display: none; }
.facility-worlds__intro > p { color: var(--muted); }

.world-switch {
  display: inline-flex;
  gap: 0.3rem;
  margin: 2.2rem 0 1rem;
  padding: 0.35rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
}

.world-switch__button {
  min-height: 44px;
  padding: 0.6rem 1rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: 500 0.68rem "DM Mono", monospace;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
}

.world-switch__button.active { background: var(--night); color: #fff; box-shadow: 0 8px 24px rgba(6, 26, 66, 0.17); }
.world-switch__button:focus-visible { outline: 3px solid var(--signal); outline-offset: 3px; }

.world-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(400px, 0.95fr);
  overflow: hidden;
  border: 1px solid rgba(7, 47, 112, 0.13);
  border-radius: 30px;
  background: #fff;
  box-shadow: 0 30px 80px rgba(6, 26, 66, 0.13);
}

.world-panel__scene {
  display: grid;
  place-items: center;
  min-width: 0;
  padding: clamp(1rem, 2.5vw, 2rem);
  background: #dceef5;
}

.world-panel__scene svg { width: 100%; height: auto; }

.world-panel__content { padding: clamp(2rem, 4vw, 4rem); }
.world-panel__content h3 { margin: 0; font-size: clamp(1.65rem, 2.8vw, 2.55rem); }
.world-panel__content > p { color: var(--muted); }

.world-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin: 1.7rem 0;
}

.world-stats div { padding: 0.8rem; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); }
.world-stats span { display: block; color: var(--ice-dark); font: 500 0.59rem "DM Mono", monospace; letter-spacing: 0.07em; text-transform: uppercase; }
.world-stats strong { display: block; margin-top: 0.25rem; font-size: 0.72rem; line-height: 1.35; }

.world-modules { display: grid; gap: 0; border-top: 1px solid var(--line); }
.world-modules article { display: grid; grid-template-columns: 35px 1fr; gap: 0.7rem; padding: 0.9rem 0; border-bottom: 1px solid var(--line); }
.world-modules article > span { color: var(--ice-dark); font: 500 0.63rem "DM Mono", monospace; }
.world-modules h4 { margin: 0; color: var(--night); font: 700 0.88rem "Syne", sans-serif; }
.world-modules p { margin: 0.2rem 0 0; color: var(--muted); font-size: 0.73rem; line-height: 1.55; }

@media (max-width: 1050px) {
  .nav { overflow-x: auto; }
  .nav a { flex: 0 0 auto; }
  .process-deck, .world-panel { grid-template-columns: 1fr; }
  .process-deck__copy { border-top: 1px solid rgba(255, 255, 255, 0.09); border-left: 0; }
  .process-deck__visual { min-height: 380px; }
  .process-rail { grid-template-columns: repeat(6, minmax(155px, 1fr)); overflow-x: auto; }
  .world-panel__scene { min-height: 420px; }
}

@media (max-width: 720px) {
  .process-showcase, .facility-worlds { padding-right: 0.75rem; padding-left: 0.75rem; }
  .process-showcase__heading, .facility-worlds__intro { grid-template-columns: 1fr; gap: 1rem; }
  .process-deck { border-radius: 22px; }
  .process-deck__visual { min-height: 270px; padding: 0.75rem; }
  .process-deck__visual::after { right: 1rem; bottom: 0.7rem; font-size: 0.52rem; }
  .process-deck__copy { padding: 1.6rem; }
  .process-deck__counter { margin-bottom: 1.4rem; }
  .process-deck__controls { margin-top: 1.8rem; }
  .world-switch { display: grid; grid-template-columns: 1fr 1fr; width: 100%; }
  .world-panel { border-radius: 22px; }
  .world-panel__scene { min-height: 260px; padding: 0.65rem; }
  .world-panel__content { padding: 1.5rem; }
  .world-stats { grid-template-columns: 1fr; }
}

/* Field handbook */
.handbook-hero {
  background:
    linear-gradient(105deg, rgba(4, 20, 39, 0.97), rgba(7, 47, 112, 0.86)),
    repeating-linear-gradient(90deg, transparent 0 86px, rgba(143, 216, 255, 0.08) 87px 88px);
}

.handbook-hero::after { content: "CAL / LOOP / RECORD"; }

.handbook-dashboard {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(240px, 0.5fr);
  gap: 2rem;
  max-width: var(--wide);
  margin: -4rem auto 0;
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid rgba(255,255,255,0.75);
  border-radius: 28px;
  background: rgba(255,255,255,0.94);
  box-shadow: 0 28px 70px rgba(6, 26, 66, 0.15);
  backdrop-filter: blur(18px);
}

.handbook-dashboard h2 { margin-top: 0.4rem; padding-top: 0; }
.handbook-dashboard h2::before { display: none; }
.handbook-dashboard__intro p { color: var(--muted); }

.handbook-progress {
  align-self: center;
  padding: 1.3rem;
  border-radius: 18px;
  background: var(--night);
  color: var(--white);
}

.handbook-progress > span {
  display: block;
  color: var(--ice);
  font: 500 0.63rem "DM Mono", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.handbook-progress strong { display: block; margin: 0.25rem 0 0.8rem; font: 700 1.45rem "Syne", sans-serif; }
.handbook-progress__track { height: 7px; overflow: hidden; border-radius: 10px; background: rgba(255,255,255,0.13); }
.handbook-progress__track span { display: block; width: 100%; height: 100%; background: var(--signal); transform: scaleX(0); transform-origin: left; transition: transform 240ms ease; }

.hold-point-grid {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(6, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.hold-point-grid label {
  position: relative;
  min-height: 170px;
  padding: 1.15rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition: background-color 180ms ease, transform 180ms ease;
}

.hold-point-grid label:hover { z-index: 1; background: #eef7ff; transform: translateY(-3px); }
.hold-point-grid label:has(input:checked) { background: #e4f5eb; }
.hold-point-grid input { position: absolute; top: 1rem; right: 1rem; accent-color: #188451; }
.hold-point-grid span { color: var(--ice-dark); font: 500 0.65rem "DM Mono", monospace; }
.hold-point-grid strong { display: block; margin-top: 2rem; color: var(--night); font: 700 1rem "Syne", sans-serif; }
.hold-point-grid small { display: block; margin-top: 0.45rem; color: var(--muted); font-size: 0.68rem; line-height: 1.45; }

.handbook-layout { align-items: start; }

.field-rule-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.field-rule-grid article {
  min-height: 225px;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,0.74);
}

.field-rule-grid article:nth-child(even) { transform: translateY(1.2rem); }
.field-rule-grid span { color: var(--ice-dark); font: 500 0.61rem "DM Mono", monospace; letter-spacing: 0.08em; text-transform: uppercase; }
.field-rule-grid h3 { margin-top: 2.2rem; }
.field-rule-grid p { color: var(--muted); font-size: 0.86rem; line-height: 1.6; }

.procedure-stack { display: grid; gap: 0.7rem; }
.procedure-stack details { overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,0.76); }
.procedure-stack summary { display: flex; align-items: center; gap: 1rem; padding: 1.15rem 1.3rem; color: var(--night); font: 700 1rem "Syne", sans-serif; cursor: pointer; list-style: none; }
.procedure-stack summary::-webkit-details-marker { display: none; }
.procedure-stack summary::after { content: "+"; margin-left: auto; color: var(--ice-dark); font: 500 1.4rem "DM Mono", monospace; }
.procedure-stack details[open] summary::after { content: "−"; }
.procedure-stack summary span { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 50%; background: var(--night); color: var(--ice); font: 500 0.68rem "DM Mono", monospace; }
.procedure-stack ol { margin: 0; padding: 0 2rem 1.5rem 4.8rem; }
.procedure-stack li { margin: 0.65rem 0; padding-left: 0.35rem; color: var(--muted); }

.section-heading-row { display: flex; align-items: end; justify-content: space-between; gap: 1.5rem; }
.section-heading-row h2 { margin-top: 0.35rem; }
.print-record, .quiz-card button {
  border: 0;
  border-radius: 999px;
  background: var(--night);
  color: var(--white);
  cursor: pointer;
  font: 500 0.69rem "DM Mono", monospace;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: transform 160ms ease, background-color 160ms ease;
}
.print-record { flex: 0 0 auto; margin-bottom: 0.5rem; padding: 0.85rem 1.15rem; }
.print-record:hover, .quiz-card button:hover { background: var(--ice-dark); transform: translateY(-2px); }

.calculation-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-top: 1.4rem;
  padding: 1rem;
  border-radius: 16px 16px 0 0;
  background: var(--night);
}

.calculation-strip label, .record-signoff label { color: var(--muted); font: 500 0.59rem "DM Mono", monospace; letter-spacing: 0.04em; text-transform: uppercase; }
.calculation-strip label { color: var(--ice); }
.calculation-strip input, .record-signoff input, .record-signoff textarea, .calibration-record input {
  width: 100%;
  border: 1px solid rgba(7,47,112,0.22);
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  font: 500 0.82rem "DM Mono", monospace;
}
.calculation-strip input { margin-top: 0.4rem; padding: 0.65rem; border-color: rgba(255,255,255,0.18); background: rgba(255,255,255,0.1); color: var(--white); }
.calibration-record-wrap { margin: 0; border-radius: 0 0 16px 16px; }
.calibration-record { min-width: 760px; }
.calibration-record input { min-width: 92px; padding: 0.5rem; }
.calibration-record tr.is-pass td:last-child { color: #137146; font-weight: 700; }
.calibration-record tr.is-fail { background: #fff0ec; }
.calibration-record tr.is-fail td:last-child { color: #a33a25; font-weight: 700; }

.record-signoff { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.85rem; margin-top: 1rem; }
.record-signoff input, .record-signoff textarea { display: block; margin-top: 0.4rem; padding: 0.72rem; resize: vertical; }
.record-signoff__wide { grid-column: 1 / -1; }

.handbook-aside .aside-callout { margin: 1.4rem -1rem -1rem; padding: 1.2rem; border-radius: 14px; background: var(--night); color: var(--white); }
.handbook-aside .aside-callout strong { color: var(--signal); font-family: "Syne", sans-serif; }
.handbook-aside .aside-callout p { margin-bottom: 0; color: rgba(255,255,255,0.72); font-size: 0.76rem; }
.handbook-card { border-color: rgba(239,183,83,0.62) !important; background: linear-gradient(140deg, #fffdf7, #edf7ff) !important; }

@media (max-width: 1000px) {
  .handbook-dashboard { margin-right: 1rem; margin-left: 1rem; }
  .hold-point-grid { grid-template-columns: repeat(3, 1fr); }
  .calculation-strip, .record-signoff { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .handbook-dashboard { grid-template-columns: 1fr; margin-top: -2rem; padding: 1.2rem; border-radius: 20px; }
  .hold-point-grid { grid-template-columns: repeat(2, 1fr); }
  .hold-point-grid label { min-height: 150px; }
  .field-rule-grid, .calculation-strip, .record-signoff { grid-template-columns: 1fr; }
  .field-rule-grid article:nth-child(even) { transform: none; }
  .section-heading-row { align-items: flex-start; flex-direction: column; }
  .procedure-stack ol { padding-left: 2.8rem; }
}

@media print {
  body.handbook-page > * { display: none !important; }
  body.handbook-page main, body.handbook-page main > .grid, body.handbook-page main > .grid > div, body.handbook-page #record { display: block !important; }
  body.handbook-page #record { padding: 0; }
  body.handbook-page #record h2 { margin-top: 0; }
  body.handbook-page .print-record, body.handbook-page .site-tools, body.handbook-page .reading-progress { display: none !important; }
  body.handbook-page .calculation-strip { color: #111; background: #eee; print-color-adjust: exact; }
  body.handbook-page .calculation-strip label { color: #111; }
  body.handbook-page .calculation-strip input { border-color: #aaa; color: #111; background: #fff; }
  body.handbook-page .calibration-record { min-width: 0; }
  body.handbook-page .calibration-record-wrap { overflow: visible; }
}

@media (prefers-reduced-motion: reduce) {
  .process-deck__visual.is-changing svg { animation: none; }
}

/* Instrumentation and hazardous-area module */
.instrumentation-page {
  --hazard: #d89b2b;
  --hazard-dark: #8f5700;
  --copper: #bb7741;
  --instrument-green: #6ed7ad;
  background-color: #edf4f6;
}

.instrumentation-hero {
  min-height: 680px;
  background:
    linear-gradient(90deg, rgba(4, 19, 38, 0.98) 0 57%, rgba(4, 19, 38, 0.75) 100%),
    repeating-linear-gradient(90deg, transparent 0 89px, rgba(110, 215, 173, 0.07) 90px),
    repeating-linear-gradient(0deg, transparent 0 89px, rgba(110, 215, 173, 0.07) 90px),
    #071e35;
}

.instrumentation-hero::before {
  background:
    radial-gradient(circle at 78% 27%, rgba(110, 215, 173, 0.18), transparent 21%),
    linear-gradient(118deg, transparent 0 61%, rgba(216, 155, 43, 0.13) 61% 67%, transparent 67%);
}

.instrumentation-hero::after {
  width: min(46vw, 620px);
  height: min(46vw, 620px);
  border: 1px solid rgba(110, 215, 173, 0.14);
  border-radius: 50%;
  background:
    radial-gradient(circle, transparent 0 29%, rgba(110, 215, 173, 0.08) 29.3% 29.8%, transparent 30.1% 46%, rgba(110, 215, 173, 0.08) 46.3% 46.8%, transparent 47%),
    linear-gradient(90deg, transparent 49.8%, rgba(110, 215, 173, 0.12) 50%, transparent 50.2%),
    linear-gradient(transparent 49.8%, rgba(110, 215, 173, 0.12) 50%, transparent 50.2%);
  opacity: 1;
  transform: translate(24%, 10%) rotate(10deg);
}

.instrumentation-hero .type { color: var(--instrument-green); }
.instrumentation-hero .type::before { background: var(--hazard); }
.instrumentation-main { display: grid; gap: clamp(5rem, 10vw, 9rem); }
.instrumentation-main h2 { margin-top: 0; }
.instrumentation-main h2::before { display: none; }

.instrumentation-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(440px, 1.08fr);
  gap: clamp(3rem, 7vw, 7rem);
  align-items: center;
}

.instrumentation-principles { display: grid; gap: 1px; background: rgba(7, 47, 112, 0.13); }
.instrumentation-principles article {
  display: grid;
  grid-template-columns: 52px 100px 1fr;
  gap: 1rem;
  align-items: baseline;
  padding: 1.35rem;
  background: rgba(255, 255, 255, 0.82);
}
.instrumentation-principles span { color: var(--ice-dark); font: 500 0.67rem "DM Mono", monospace; }
.instrumentation-principles strong { color: var(--night); font-family: "Syne", sans-serif; }
.instrumentation-principles p { margin: 0; color: var(--muted); font-size: 0.82rem; line-height: 1.55; }

.signal-console {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(310px, 0.65fr);
  overflow: hidden;
  border: 1px solid rgba(110, 215, 173, 0.18);
  border-radius: 30px;
  background: #061b31;
  box-shadow: 0 35px 90px rgba(5, 25, 48, 0.2);
}

.signal-diagram {
  position: relative;
  min-height: 480px;
  overflow: hidden;
  background:
    linear-gradient(rgba(110, 215, 173, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(110, 215, 173, 0.04) 1px, transparent 1px),
    radial-gradient(circle at 50% 50%, rgba(11, 77, 162, 0.22), transparent 55%);
  background-size: 32px 32px, 32px 32px, auto;
}

.signal-diagram::before {
  content: "PT-204 / PRESSURE CONTROL LOOP";
  position: absolute;
  top: 1.3rem;
  left: 1.5rem;
  color: rgba(110, 215, 173, 0.62);
  font: 500 0.62rem "DM Mono", monospace;
  letter-spacing: 0.1em;
}

.process-pipe {
  position: absolute;
  right: 5%;
  bottom: 17%;
  left: 5%;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: linear-gradient(#18374c, #0d273c 47%, #071d30 48%);
}
.process-pipe::before, .process-pipe::after { content: ""; position: absolute; top: -8px; width: 10px; height: 48px; border: 1px solid rgba(255,255,255,0.24); background: #0b2438; }
.process-pipe::before { left: 8%; }
.process-pipe::after { right: 8%; }
.process-pipe span { position: absolute; top: 12px; width: 22px; height: 8px; border-radius: 999px; background: var(--instrument-green); opacity: 0; animation: pipe-flow 4s linear infinite; }
.process-pipe span:nth-child(2) { animation-delay: 1.3s; }
.process-pipe span:nth-child(3) { animation-delay: 2.6s; }
@keyframes pipe-flow { 0% { left: 2%; opacity: 0; transform: scaleX(0.6); } 15%, 80% { opacity: 0.75; } 100% { left: 94%; opacity: 0; transform: scaleX(1.2); } }

.signal-lines { position: absolute; inset: 19% 6% auto; width: 88%; height: 53%; overflow: visible; pointer-events: none; }
.signal-lines path { fill: none; stroke: rgba(110, 215, 173, 0.25); stroke-width: 2; stroke-dasharray: 7 8; }
.signal-lines .signal-pulse { stroke: var(--instrument-green); stroke-width: 3; stroke-dasharray: 22 90; animation: signal-travel 4.5s linear infinite; }
@keyframes signal-travel { to { stroke-dashoffset: -224; } }

.loop-node {
  position: absolute;
  top: var(--node-y);
  left: var(--node-x);
  z-index: 2;
  display: grid;
  width: 116px;
  min-height: 96px;
  padding: 0.8rem;
  border: 1px solid rgba(110, 215, 173, 0.34);
  border-radius: 4px;
  background: rgba(4, 24, 43, 0.93);
  color: rgba(255, 255, 255, 0.7);
  text-align: left;
  cursor: pointer;
  transform: translate(-50%, -50%);
  transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}
.loop-node:hover { border-color: var(--instrument-green); transform: translate(-50%, -50%) translateY(-4px); }
.loop-node:focus-visible { outline: 3px solid var(--hazard); outline-offset: 3px; }
.loop-node.active { border-color: var(--instrument-green); background: #0b3d4d; box-shadow: 0 0 0 5px rgba(110, 215, 173, 0.08); }
.loop-node span { color: var(--instrument-green); font: 500 0.58rem "DM Mono", monospace; }
.loop-node strong { color: #fff; font: 700 0.95rem "Syne", sans-serif; }
.loop-node small { color: rgba(255, 255, 255, 0.48); font: 400 0.57rem "DM Mono", monospace; }

.signal-readout { padding: clamp(2rem, 4vw, 3.5rem); border-left: 1px solid rgba(110, 215, 173, 0.13); color: rgba(255,255,255,0.68); }
.readout-label { display: flex; gap: 0.75rem; align-items: center; color: var(--instrument-green); font: 500 0.62rem "DM Mono", monospace; letter-spacing: 0.08em; text-transform: uppercase; }
.readout-label span { display: grid; width: 31px; height: 31px; place-items: center; border: 1px solid rgba(110, 215, 173, 0.35); border-radius: 50%; }
.signal-readout h3 { margin-top: 2rem; color: #fff; font-size: 1.65rem; }
.signal-readout > p { color: rgba(255, 255, 255, 0.62); }
.signal-readout dl { margin: 2rem 0 0; }
.signal-readout dl div { padding: 1.1rem 0; border-top: 1px solid rgba(255,255,255,0.1); }
.signal-readout dt { margin-bottom: 0.4rem; color: var(--hazard); font: 500 0.6rem "DM Mono", monospace; letter-spacing: 0.08em; text-transform: uppercase; }
.signal-readout dd { margin: 0; color: rgba(255,255,255,0.67); font-size: 0.8rem; line-height: 1.6; }

.measurement-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1rem; }
.measurement-grid article { display: grid; grid-template-columns: 62px 1fr; gap: 1rem; min-height: 210px; padding: 1.4rem; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,0.72); }
.measurement-grid article:nth-child(1), .measurement-grid article:nth-child(2) { grid-column: span 3; }
.measurement-grid article:nth-child(n+3) { grid-column: span 2; }
.instrument-symbol { display: grid; width: 58px; height: 58px; place-items: center; border: 2px solid var(--ice-dark); border-radius: 50%; color: var(--deep); font: 700 1.15rem "Syne", sans-serif; }
.measurement-grid h3 { margin: 0; font-size: 1.05rem; }
.measurement-grid p { color: var(--muted); font-size: 0.8rem; line-height: 1.55; }
.measurement-grid small { color: var(--ice-dark); font: 500 0.58rem/1.6 "DM Mono", monospace; text-transform: uppercase; }

.equipment-matrix { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1rem; }
.equipment-matrix article { grid-column: span 4; min-height: 270px; padding: 1.5rem; border-top: 3px solid var(--copper); background: #fff; box-shadow: 0 16px 40px rgba(5, 25, 48, 0.08); }
.equipment-matrix article:nth-child(2), .equipment-matrix article:nth-child(5) { transform: translateY(1.5rem); }
.equipment-icon { display: grid; width: 58px; height: 58px; place-items: center; border: 1px solid rgba(7,47,112,0.19); border-radius: 12px; background: var(--paper); color: var(--deep); font: 700 0.85rem "DM Mono", monospace; }
.equipment-matrix h3 { font-size: 1.1rem; }
.equipment-matrix p { color: var(--muted); font-size: 0.82rem; }
.equipment-matrix span { display: block; margin-top: 1.3rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--hazard-dark); font: 500 0.61rem/1.55 "DM Mono", monospace; text-transform: uppercase; }

.loop-check-section { display: grid; grid-template-columns: minmax(290px, 0.7fr) minmax(0, 1.3fr); gap: clamp(3rem, 7vw, 7rem); align-items: start; padding: clamp(2rem, 5vw, 4rem); border-radius: 30px; background: #fff; box-shadow: 0 28px 70px rgba(5,25,48,0.09); }
.loop-check-copy { position: sticky; top: 110px; }
.loop-check-status { display: flex; gap: 0.7rem; align-items: baseline; margin-top: 2rem; }
.loop-check-status strong { color: var(--deep); font: 700 2rem "Syne", sans-serif; }
.loop-check-status span { color: var(--muted); font-size: 0.75rem; }
.loop-check-meter { height: 5px; margin: 0.8rem 0 1.2rem; overflow: hidden; border-radius: 99px; background: rgba(7,47,112,0.1); }
.loop-check-meter span { display: block; width: 100%; height: 100%; background: var(--instrument-green); transform: scaleX(0); transform-origin: left; transition: transform 280ms ease; }
.check-reset { padding: 0.65rem 0.85rem; border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--ice-dark); font: 500 0.62rem "DM Mono", monospace; cursor: pointer; }
.check-reset:hover { background: var(--paper); }
.loop-check-list { margin: 0; padding: 0; list-style: none; counter-reset: loop-check; }
.loop-check-list li { counter-increment: loop-check; border-bottom: 1px solid var(--line); }
.loop-check-list label { display: grid; grid-template-columns: 34px 1fr; gap: 1rem; padding: 1.15rem 0; cursor: pointer; }
.loop-check-list input { width: 22px; height: 22px; margin-top: 0.25rem; accent-color: var(--ice-dark); }
.loop-check-list span { position: relative; padding-left: 3rem; color: var(--muted); font-size: 0.83rem; }
.loop-check-list span::before { content: counter(loop-check, decimal-leading-zero); position: absolute; left: 0; color: var(--ice-dark); font: 500 0.63rem "DM Mono", monospace; }
.loop-check-list b { display: block; margin-bottom: 0.25rem; color: var(--night); font-family: "Syne", sans-serif; font-size: 0.95rem; }
.loop-check-list input:checked + span { color: #7a8a9b; }
.loop-check-list input:checked + span b { color: var(--ice-dark); text-decoration: line-through; text-decoration-thickness: 1px; }

.hazardous-intro { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(430px, 1.2fr); overflow: hidden; border-radius: 30px; background: #171b20; color: rgba(255,255,255,0.66); }
.hazardous-copy { position: relative; padding: clamp(2rem, 5vw, 4.5rem); }
.hazardous-copy .eyebrow { color: var(--hazard); }
.hazardous-copy h2 { color: #fff; }
.hazard-stripes { position: absolute; right: -50px; bottom: 0; left: 0; height: 18px; background: repeating-linear-gradient(135deg, var(--hazard) 0 22px, #171b20 22px 44px); }
.zone-stack { display: grid; }
.zone-stack article { display: grid; grid-template-columns: 85px 190px 1fr; gap: 1.2rem; align-items: baseline; padding: 1.6rem 2rem; border-bottom: 1px solid rgba(255,255,255,0.1); background: rgba(255,255,255,0.025); }
.zone-stack article:last-child { border-bottom: 0; }
.zone-stack span { color: var(--hazard); font: 500 0.69rem "DM Mono", monospace; text-transform: uppercase; }
.zone-stack strong { color: #fff; font-family: "Syne", sans-serif; font-size: 0.88rem; }
.zone-stack p { margin: 0; color: rgba(255,255,255,0.55); font-size: 0.76rem; line-height: 1.55; }

.ex-decoder { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(310px, 0.75fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; padding: clamp(2rem, 5vw, 5rem); border: 1px solid rgba(7,47,112,0.14); border-radius: 30px; background: linear-gradient(135deg, #e2e8e7, #f7faf8); }
.ex-nameplate { position: relative; min-height: 320px; padding: clamp(2rem, 5vw, 4rem); border: 1px solid #846b48; border-radius: 8px; background: linear-gradient(120deg, #c9a96c, #f4dea5 38%, #b98d49 72%, #ead19a); box-shadow: inset 0 0 0 4px rgba(87,57,20,0.12), 0 25px 55px rgba(71,51,24,0.18); color: #2e2416; }
.ex-nameplate::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.17; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 120 120' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.45' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }
.nameplate-top, .nameplate-meta { position: relative; z-index: 1; display: flex; justify-content: space-between; gap: 1rem; font: 500 0.61rem "DM Mono", monospace; letter-spacing: 0.08em; }
.nameplate-top { padding-bottom: 1rem; border-bottom: 1px solid rgba(46,36,22,0.45); }
.nameplate-code { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 0.45rem; margin: 3.1rem 0; }
.nameplate-code button { padding: 0.25rem 0.4rem; border: 1px solid transparent; border-radius: 3px; background: transparent; color: #2e2416; font: 700 clamp(1.8rem, 5vw, 4rem) "DM Mono", monospace; cursor: pointer; }
.nameplate-code button:hover, .nameplate-code button.active { border-color: #2e2416; background: rgba(255,255,255,0.22); transform: translateY(-2px); }
.nameplate-code button:focus-visible { outline: 3px solid var(--deep); outline-offset: 3px; }
.nameplate-meta { padding-top: 1rem; border-top: 1px solid rgba(46,36,22,0.45); flex-wrap: wrap; }
.nameplate-rivets i { position: absolute; z-index: 2; width: 12px; height: 12px; border: 1px solid #735b35; border-radius: 50%; background: #d4b779; box-shadow: inset 1px 1px rgba(255,255,255,0.45); }
.nameplate-rivets i:nth-child(1) { top: 12px; left: 12px; }.nameplate-rivets i:nth-child(2) { top: 12px; right: 12px; }.nameplate-rivets i:nth-child(3) { bottom: 12px; left: 12px; }.nameplate-rivets i:nth-child(4) { right: 12px; bottom: 12px; }
.ex-readout > span { color: var(--hazard-dark); font: 500 0.64rem "DM Mono", monospace; letter-spacing: 0.08em; text-transform: uppercase; }
.ex-readout h3 { margin-top: 1rem; font-size: 1.7rem; }
.ex-readout > p { color: var(--muted); }
.ex-question { margin-top: 2rem; padding: 1.2rem; border-left: 3px solid var(--hazard); background: rgba(255,255,255,0.7); }
.ex-question strong { color: var(--night); font: 700 0.72rem "Syne", sans-serif; }
.ex-question p { margin-bottom: 0; color: var(--muted); font-size: 0.78rem; }

.protection-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.protection-grid article { position: relative; min-height: 310px; padding: 1.5rem; overflow: hidden; border: 1px solid rgba(7,47,112,0.13); border-radius: 18px; background: #fff; }
.protection-grid article::after { content: attr(data-mark); position: absolute; right: -0.1em; bottom: -0.22em; color: rgba(7,47,112,0.035); font: 800 7rem "Syne", sans-serif; }
.protection-grid span { display: inline-block; padding: 0.45rem 0.6rem; border-radius: 4px; background: var(--night); color: var(--hazard); font: 500 0.74rem "DM Mono", monospace; }
.protection-grid h3 { font-size: 1.1rem; }
.protection-grid p { color: var(--muted); font-size: 0.82rem; }
.protection-grid small { position: relative; z-index: 1; display: block; margin-top: 1.2rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--ice-dark); font: 500 0.59rem/1.55 "DM Mono", monospace; text-transform: uppercase; }

.inspection-section { display: grid; grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr); gap: clamp(3rem, 7vw, 7rem); align-items: start; }
.red-flag-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); }
.red-flag-grid article { display: grid; grid-template-columns: 42px 1fr; gap: 1rem; min-height: 126px; padding: 1.35rem; background: rgba(255,255,255,0.82); }
.red-flag-grid span { color: var(--hazard-dark); font: 500 0.63rem "DM Mono", monospace; }
.red-flag-grid p { margin: 0; color: var(--night); font-family: "Syne", sans-serif; font-size: 0.87rem; line-height: 1.45; }

.knowledge-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; align-items: start; }
.quiz-card { min-height: 430px; padding: 1.5rem; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.quiz-card > span { color: var(--ice-dark); font: 500 0.62rem "DM Mono", monospace; letter-spacing: 0.08em; text-transform: uppercase; }
.quiz-card h3 { min-height: 74px; margin-top: 1rem; font-size: 1.05rem; }
.quiz-card label { display: grid; grid-template-columns: 20px 1fr; gap: 0.6rem; margin: 0.6rem 0; padding: 0.7rem; border: 1px solid var(--line); border-radius: 10px; color: var(--muted); font-size: 0.75rem; line-height: 1.45; cursor: pointer; }
.quiz-card label:has(input:checked) { border-color: var(--ice-dark); background: var(--paper); color: var(--night); }
.quiz-card input { margin-top: 0.15rem; accent-color: var(--ice-dark); }
.quiz-card button { margin-top: 1rem; padding: 0.7rem 0.9rem; border: 0; border-radius: 999px; background: var(--deep); color: #fff; font: 500 0.62rem "DM Mono", monospace; cursor: pointer; }
.quiz-card button:hover { background: var(--panel); }
.quiz-feedback { min-height: 48px; color: var(--muted); font-size: 0.74rem; line-height: 1.45; }
.quiz-card.is-correct { border-color: #2b9a73; box-shadow: inset 0 4px #2b9a73; }
.quiz-card.is-incorrect { border-color: var(--hazard); box-shadow: inset 0 4px var(--hazard); }
.instrumentation-disclaimer { margin: 0; max-width: none; }

@media (max-width: 1050px) {
  .instrumentation-intro, .signal-console, .hazardous-intro, .ex-decoder { grid-template-columns: 1fr; }
  .signal-readout { border-top: 1px solid rgba(110, 215, 173, 0.13); border-left: 0; }
  .measurement-grid article { grid-column: span 3 !important; }
  .protection-grid { grid-template-columns: repeat(2, 1fr); }
  .zone-stack article { grid-template-columns: 80px 180px 1fr; }
}

@media (max-width: 760px) {
  .instrumentation-hero { min-height: 640px; }
  .instrumentation-intro, .loop-check-section, .inspection-section { grid-template-columns: 1fr; }
  .instrumentation-principles article { grid-template-columns: 42px 80px 1fr; }
  .signal-diagram { min-height: 720px; }
  .loop-node { left: 50% !important; top: calc(12% + (var(--mobile-index, 0) * 18%)) !important; width: min(270px, 75%); min-height: 80px; }
  .loop-node:nth-of-type(1) { --mobile-index: 0; }.loop-node:nth-of-type(2) { --mobile-index: 1; }.loop-node:nth-of-type(3) { --mobile-index: 2; }.loop-node:nth-of-type(4) { --mobile-index: 3; }.loop-node:nth-of-type(5) { --mobile-index: 4; }
  .signal-lines, .process-pipe { display: none; }
  .measurement-grid { grid-template-columns: 1fr; }
  .measurement-grid article { grid-column: auto !important; }
  .equipment-matrix { grid-template-columns: 1fr; }
  .equipment-matrix article { grid-column: auto; min-height: 0; }
  .equipment-matrix article:nth-child(2), .equipment-matrix article:nth-child(5) { transform: none; }
  .loop-check-copy { position: static; }
  .zone-stack article { grid-template-columns: 1fr; gap: 0.4rem; }
  .nameplate-code { margin: 2rem 0; }
  .nameplate-code button { font-size: clamp(1.55rem, 9vw, 2.8rem); }
  .protection-grid, .red-flag-grid, .knowledge-grid { grid-template-columns: 1fr; }
  .quiz-card { min-height: 0; }
  .quiz-card h3 { min-height: 0; }
}

@media (max-width: 520px) {
  .instrumentation-principles article { grid-template-columns: 34px 1fr; }
  .instrumentation-principles p { grid-column: 2; }
  .measurement-grid article { grid-template-columns: 50px 1fr; }
  .instrument-symbol { width: 48px; height: 48px; }
  .ex-decoder, .loop-check-section { padding: 1.25rem; border-radius: 20px; }
  .ex-nameplate { min-height: 280px; padding: 2rem 1.4rem; }
  .nameplate-top, .nameplate-meta { font-size: 0.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  .process-pipe span, .signal-lines .signal-pulse { animation: none; }
}

.document-stack { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1rem; }
.document-stack article { grid-column: span 4; min-height: 235px; padding: 1.5rem; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,0.78); }
.document-stack article:nth-child(2), .document-stack article:nth-child(5) { transform: translateY(1.2rem); }
.document-stack span { display: inline-block; padding: 0.35rem 0.5rem; border: 1px solid rgba(7,94,184,0.24); border-radius: 4px; color: var(--ice-dark); font: 500 0.62rem "DM Mono", monospace; }
.document-stack h3 { margin-top: 1.5rem; font-size: 1.05rem; }
.document-stack p { color: var(--muted); font-size: 0.8rem; line-height: 1.55; }
.document-stack small { display: block; margin-top: 1rem; color: var(--deep); font: 500 0.58rem/1.55 "DM Mono", monospace; text-transform: uppercase; }
.signal-table strong { color: var(--deep); font-family: "Syne", sans-serif; }
.signal-table td:nth-child(1) { min-width: 180px; }
.signal-table td:nth-child(2) { min-width: 280px; }
.signal-table td:nth-child(3), .signal-table td:nth-child(4) { min-width: 260px; }

.calibration-lab { display: grid; grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr); gap: clamp(3rem, 7vw, 7rem); align-items: center; }
.calibration-definitions { margin-top: 2rem; }
.calibration-definitions div { display: grid; grid-template-columns: 60px 1fr; padding: 0.7rem 0; border-top: 1px solid var(--line); }
.calibration-definitions dt { margin: 0; color: var(--ice-dark); }
.calibration-definitions dd { margin: 0; color: var(--muted); font-size: 0.78rem; }
.calibration-console { padding: clamp(1.5rem, 4vw, 3rem); border-radius: 28px; background: #061b31; box-shadow: 0 30px 75px rgba(5,25,48,0.18); color: rgba(255,255,255,0.65); }
.calibration-points { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0.35rem; }
.calibration-points button { padding: 0.8rem 0.5rem; border: 1px solid rgba(110,215,173,0.2); border-radius: 5px; background: transparent; color: rgba(255,255,255,0.55); font: 500 0.65rem "DM Mono", monospace; cursor: pointer; }
.calibration-points button:hover, .calibration-points button.active { border-color: var(--instrument-green); background: rgba(110,215,173,0.12); color: var(--instrument-green); }
.calibration-points button:focus-visible { outline: 3px solid var(--hazard); outline-offset: 3px; }
.calibration-gauges { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin: 1.5rem 0; background: rgba(255,255,255,0.1); }
.calibration-gauges div { min-height: 130px; padding: 1.2rem; background: #09223b; }
.calibration-gauges span { display: block; color: var(--instrument-green); font: 500 0.58rem "DM Mono", monospace; letter-spacing: 0.06em; text-transform: uppercase; }
.calibration-gauges strong { display: block; margin: 1rem 0 0.2rem; color: #fff; font: 700 1.35rem "Syne", sans-serif; }
.calibration-gauges small { color: rgba(255,255,255,0.4); font-size: 0.66rem; }
.calibration-track { position: relative; height: 7px; margin: 2.3rem 0 1.5rem; border-radius: 999px; background: rgba(255,255,255,0.11); }
.calibration-track span { display: block; width: 100%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--instrument-green), var(--ice)); transform: scaleX(0); transform-origin: left; transition: transform 300ms ease; }
.calibration-track i { position: absolute; top: 50%; left: 0; width: 18px; height: 18px; border: 3px solid #061b31; border-radius: 50%; background: var(--hazard); transform: translate(-50%, -50%); transition: left 300ms ease; }
.calibration-console > p { margin-bottom: 0; color: rgba(255,255,255,0.59); font-size: 0.78rem; }

.valve-anatomy { display: grid; grid-template-columns: minmax(400px, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; padding: clamp(2rem, 5vw, 4rem); border-radius: 28px; background: #fff; box-shadow: 0 24px 65px rgba(5,25,48,0.09); }
.valve-visual { position: relative; display: grid; grid-template-columns: 1fr 38px 1fr 38px 1fr; align-items: center; min-height: 360px; padding: 2rem; overflow: hidden; border-radius: 20px; background: linear-gradient(rgba(7,94,184,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(7,94,184,0.05) 1px, transparent 1px), var(--paper); background-size: 24px 24px; }
.valve-visual > i { height: 2px; background: var(--ice-dark); }
.valve-signal, .positioner-box, .actuator-shape, .valve-body { position: relative; z-index: 1; display: grid; min-height: 90px; place-items: center; padding: 1rem; border: 1px solid var(--ice-dark); background: #fff; color: var(--deep); text-align: center; font: 700 0.78rem "Syne", sans-serif; }
.valve-signal { border-radius: 50%; aspect-ratio: 1; }
.positioner-box { border-radius: 8px; }
.actuator-shape { border-radius: 50% 50% 14px 14px; }
.positioner-box small, .actuator-shape small, .valve-body small { display: block; color: var(--muted); font: 400 0.53rem "DM Mono", monospace; }
.valve-stem { position: absolute; right: 16.5%; bottom: 55px; width: 3px; height: 120px; background: var(--deep); }
.valve-body { position: absolute; right: 4%; bottom: 25px; width: 25%; min-height: 64px; clip-path: polygon(0 0, 50% 30%, 100% 0, 100% 100%, 50% 70%, 0 100%); }
.valve-factors { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); }
.valve-factors article { min-height: 170px; padding: 1.25rem; background: #fff; }
.valve-factors span { color: var(--ice-dark); font: 500 0.6rem "DM Mono", monospace; }
.valve-factors h3 { margin-top: 1rem; font-size: 0.95rem; }
.valve-factors p { color: var(--muted); font-size: 0.76rem; line-height: 1.5; }

.analyzer-section { display: grid; grid-template-columns: minmax(280px, 0.7fr) minmax(0, 1.3fr); gap: clamp(3rem, 7vw, 7rem); align-items: start; }
.sample-path { position: relative; display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.sample-path::before { content: ""; position: absolute; top: 0; bottom: 0; left: 30px; width: 1px; background: var(--ice-dark); }
.sample-path li { position: relative; display: grid; grid-template-columns: 62px 1fr; gap: 1.2rem; padding: 0 0 1.4rem; }
.sample-path li > span { z-index: 1; display: grid; width: 61px; height: 61px; place-items: center; border: 1px solid var(--ice-dark); border-radius: 50%; background: var(--paper); color: var(--ice-dark); font: 500 0.62rem "DM Mono", monospace; }
.sample-path li > div { padding: 1rem 1.2rem; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.sample-path h3 { margin: 0; font-size: 0.95rem; }
.sample-path p { margin-bottom: 0; color: var(--muted); font-size: 0.76rem; line-height: 1.5; }
.fault-matrix td { min-width: 220px; }
.fault-matrix td:first-child { color: var(--deep); font-family: "Syne", sans-serif; font-weight: 700; }

.hazardous-page {
  --hazard: #dfa12b;
  --hazard-dark: #925900;
  --instrument-green: #6ed7ad;
  background-color: #f3f0e8;
}
.hazardous-main { display: grid; gap: clamp(5rem, 10vw, 9rem); }
.hazardous-main h2 { margin-top: 0; }
.hazardous-main h2::before { display: none; }
.hazardous-hero { min-height: 680px; background: linear-gradient(90deg, rgba(20,22,23,0.98) 0 57%, rgba(20,22,23,0.78) 100%), repeating-linear-gradient(135deg, transparent 0 34px, rgba(223,161,43,0.08) 34px 68px), #171b20; }
.hazardous-hero::before { background: radial-gradient(circle at 78% 38%, rgba(223,161,43,0.18), transparent 24%), linear-gradient(118deg, transparent 0 64%, rgba(223,161,43,0.11) 64% 70%, transparent 70%); }
.hazardous-hero::after { content: "EX"; right: 5%; bottom: -0.25em; width: auto; height: auto; border: 0; background: none; color: rgba(223,161,43,0.08); font: 800 min(32vw, 24rem)/1 "Syne", sans-serif; opacity: 1; transform: none; }
.hazardous-hero .type { color: var(--hazard); }
.hazardous-hero .type::before { background: var(--hazard); }

.hazardous-foundation { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(420px, 1.15fr); gap: clamp(3rem, 7vw, 7rem); align-items: center; }
.ignition-triangle { position: relative; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; min-height: 440px; place-content: center; padding: 3rem; overflow: hidden; border-radius: 50% 50% 12% 12%; background: #191d20; color: #fff; box-shadow: 0 30px 70px rgba(20,22,23,0.18); }
.ignition-triangle::before, .ignition-triangle::after { content: ""; position: absolute; width: 75%; height: 75%; border: 1px solid rgba(223,161,43,0.25); transform: rotate(45deg); }
.ignition-triangle::before { top: -42%; left: 12%; }.ignition-triangle::after { right: -42%; bottom: -5%; }
.ignition-triangle div { position: relative; z-index: 1; min-height: 120px; padding: 1rem; border: 1px solid rgba(255,255,255,0.12); background: rgba(255,255,255,0.035); }
.ignition-triangle div:nth-child(3) { grid-column: span 2; }
.ignition-triangle span { display: block; color: var(--hazard); font: 700 0.9rem "Syne", sans-serif; }
.ignition-triangle small { color: rgba(255,255,255,0.55); font-size: 0.7rem; line-height: 1.5; }
.ignition-triangle > strong { position: relative; z-index: 1; grid-column: span 2; color: #fff; font: 800 clamp(1.8rem,4vw,3.4rem)/0.9 "Syne", sans-serif; letter-spacing: -0.05em; }

.zone-explorer { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(330px, 0.75fr); overflow: hidden; border-radius: 30px; background: #191d20; box-shadow: 0 34px 85px rgba(20,22,23,0.18); }
.zone-scene { position: relative; min-height: 550px; overflow: hidden; background: linear-gradient(rgba(223,161,43,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(223,161,43,0.04) 1px, transparent 1px), radial-gradient(circle at 50% 60%, #303337, #171a1d 72%); background-size: 32px 32px; }
.zone-cloud { position: absolute; top: 50%; left: 50%; border: 1px solid; border-radius: 50%; opacity: 0.18; transform: translate(-50%,-50%) scale(0.94); transition: opacity 240ms ease, transform 240ms ease; }
.zone-cloud.active { opacity: 0.72; transform: translate(-50%,-50%) scale(1); }
.zone-cloud-2 { width: 82%; height: 74%; border-color: #5fa6da; background: rgba(95,166,218,0.08); }
.zone-cloud-1 { width: 58%; height: 54%; border-color: var(--hazard); background: rgba(223,161,43,0.1); }
.zone-cloud-0 { width: 29%; height: 28%; border-color: #d75b45; background: rgba(215,91,69,0.16); }
.zone-vessel { position: absolute; top: 34%; left: 43%; z-index: 2; width: 140px; height: 210px; border: 2px solid rgba(255,255,255,0.52); border-radius: 70px 70px 22px 22px; background: linear-gradient(90deg,#252d33,#4a5155 48%,#232a30); color: rgba(255,255,255,0.7); text-align: center; font: 500 0.62rem "DM Mono", monospace; }
.zone-vessel span { position: absolute; top: 45%; right: 0; left: 0; }
.zone-vessel i { position: absolute; top: -70px; left: 50%; width: 20px; height: 70px; border: 2px solid rgba(255,255,255,0.52); border-bottom: 0; transform: translateX(-50%); }
.zone-vessel b { position: absolute; top: 42%; right: -42px; width: 42px; height: 15px; border: 2px solid rgba(255,255,255,0.52); border-left: 0; }
.zone-release { position: absolute; top: 46%; left: 64%; z-index: 3; color: var(--hazard); font: 500 0.55rem "DM Mono", monospace; text-transform: uppercase; }
.zone-release::before { content: ""; display: inline-block; width: 9px; height: 9px; margin-right: 0.5rem; border-radius: 50%; background: #d75b45; box-shadow: 0 0 0 6px rgba(215,91,69,0.16); }
.zone-legend { position: absolute; right: 1.5rem; bottom: 1.3rem; left: 1.5rem; z-index: 4; display: flex; flex-wrap: wrap; gap: 1rem; color: rgba(255,255,255,0.5); font: 500 0.55rem "DM Mono", monospace; }
.zone-legend span { display: flex; gap: 0.4rem; align-items: center; }.zone-legend i { width: 10px; height: 10px; border-radius: 50%; }.zone-legend .z0 { background:#d75b45; }.zone-legend .z1 { background:var(--hazard); }.zone-legend .z2 { background:#5fa6da; }
.zone-control { padding: clamp(2rem,4vw,3.5rem); border-left: 1px solid rgba(255,255,255,0.1); color: rgba(255,255,255,0.62); }
.zone-buttons { display: flex; gap: 0.4rem; margin-bottom: 2.5rem; }
.zone-buttons button { padding: 0.65rem 0.8rem; border: 1px solid rgba(255,255,255,0.14); border-radius: 999px; background: transparent; color: rgba(255,255,255,0.55); font: 500 0.6rem "DM Mono", monospace; cursor: pointer; }
.zone-buttons button:hover, .zone-buttons button.active { border-color: var(--hazard); background: var(--hazard); color: #211a10; }
.zone-buttons button:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
.zone-control > span { color: var(--hazard); font: 500 0.6rem "DM Mono", monospace; letter-spacing: 0.07em; text-transform: uppercase; }
.zone-control h3 { margin-top: 1rem; color: #fff; font-size: 1.6rem; }
.zone-control dl { margin-top: 2rem; }.zone-control dl div { padding: 1rem 0; border-top: 1px solid rgba(255,255,255,0.1); }.zone-control dt { margin: 0 0 0.35rem; color: var(--hazard); font-size: 0.58rem; text-transform: uppercase; }.zone-control dd { margin: 0; color: rgba(255,255,255,0.58); font-size: 0.76rem; line-height: 1.55; }

.classification-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; }
.classification-grid article { min-height: 250px; padding: 1.5rem; border-top: 3px solid var(--hazard); background: #fff; }
.classification-grid span { color: var(--hazard-dark); font: 500 0.62rem "DM Mono", monospace; }
.classification-grid h3 { font-size: 1rem; }.classification-grid p { color: var(--muted); font-size: 0.78rem; }
.classification-rule { max-width: none; margin-top: 1rem; padding: 1.25rem 1.5rem; border-left: 4px solid var(--hazard); background: rgba(223,161,43,0.1); }
.marking-layers { display: grid; grid-template-columns: minmax(280px,0.65fr) minmax(0,1.35fr); gap: clamp(3rem,7vw,7rem); align-items: start; }
.marking-layers ol { display: grid; margin: 0; padding: 0; list-style: none; }
.marking-layers li { display: grid; grid-template-columns: 85px 1fr; gap: 1rem; padding: 1.15rem 0; border-top: 1px solid rgba(146,89,0,0.24); }
.marking-layers li > span { color: var(--hazard-dark); font: 500 0.61rem "DM Mono", monospace; }
.marking-layers h3 { margin: 0; font-size: 0.95rem; }.marking-layers p { margin-bottom: 0; color: var(--muted); font-size: 0.76rem; }
.protection-grid-wide { grid-template-columns: repeat(3,1fr); }
.integrity-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: rgba(146,89,0,0.2); }
.integrity-grid article { min-height: 230px; padding: 1.5rem; background: #fff; }
.integrity-grid span { color: var(--hazard-dark); font: 500 0.61rem "DM Mono", monospace; }.integrity-grid h3 { font-size: 1rem; }.integrity-grid p { color: var(--muted); font-size: 0.78rem; }
.inspection-levels { display: grid; grid-template-columns: minmax(280px,0.65fr) minmax(0,1.35fr); gap: clamp(3rem,7vw,7rem); }
.inspection-level-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }
.inspection-level-grid article { min-height: 250px; padding: 1.5rem; border: 1px solid rgba(146,89,0,0.2); border-radius: 16px; background: #fff; }
.inspection-level-grid span { display: inline-block; padding: 0.4rem 0.5rem; background: #191d20; color: var(--hazard); font: 500 0.6rem "DM Mono", monospace; }.inspection-level-grid h3 { font-size: 1rem; }.inspection-level-grid p { color: var(--muted); font-size: 0.78rem; }
.hazardous-disclaimer { margin: 0; max-width: none; }

@media (max-width: 1050px) {
  .document-stack article { grid-column: span 6; }
  .valve-anatomy, .hazardous-foundation, .zone-explorer { grid-template-columns: 1fr; }
  .zone-control { border-top: 1px solid rgba(255,255,255,0.1); border-left: 0; }
  .classification-grid, .protection-grid-wide { grid-template-columns: repeat(2,1fr); }
  .integrity-grid { grid-template-columns: repeat(2,1fr); }
  .marking-layers, .inspection-levels { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .document-stack { grid-template-columns: 1fr; }
  .document-stack article { grid-column: auto; min-height: 0; }
  .document-stack article:nth-child(2), .document-stack article:nth-child(5) { transform: none; }
  .calibration-lab, .analyzer-section { grid-template-columns: 1fr; }
  .calibration-gauges, .valve-factors { grid-template-columns: 1fr; }
  .valve-visual { grid-template-columns: 1fr; gap: 0.5rem; min-height: 560px; }
  .valve-visual > i { width: 2px; height: 28px; margin: auto; }
  .valve-signal { width: 120px; margin: auto; }
  .valve-stem, .valve-body { display: none; }
  .hazardous-hero { min-height: 620px; }
  .ignition-triangle { grid-template-columns: 1fr; min-height: 0; padding: 1.5rem; border-radius: 24px; }
  .ignition-triangle div:nth-child(3), .ignition-triangle > strong { grid-column: auto; }
  .zone-scene { min-height: 430px; }
  .classification-grid, .protection-grid-wide, .integrity-grid, .inspection-level-grid { grid-template-columns: 1fr; }
  .zone-buttons { flex-wrap: wrap; }
}

@media (max-width: 520px) {
  .calibration-points { grid-template-columns: repeat(3,1fr); }
  .zone-vessel { left: 34%; transform: scale(0.82); }
  .zone-release { left: 63%; }
}

.hookup-warning { display: grid; grid-template-columns: 190px 1fr; gap: 1.5rem; margin-bottom: 1rem; padding: 1rem 1.25rem; border-left: 5px solid var(--hazard); background: #fff3d8; color: #6f521f; }
.hookup-warning strong { color: #4e370d; font-family: "Syne", sans-serif; }
.hookup-warning span { font-size: 0.78rem; line-height: 1.55; }
.hookup-workbench { display: grid; grid-template-columns: 210px minmax(0,1fr); overflow: hidden; border-radius: 30px; background: #061b31; box-shadow: 0 32px 85px rgba(5,25,48,0.2); }
.hookup-selector { display: grid; align-content: start; border-right: 1px solid rgba(110,215,173,0.13); background: #041525; }
.hookup-selector button { display: grid; grid-template-columns: 34px 1fr; gap: 0.65rem; align-items: center; min-height: 64px; padding: 0.85rem 1rem; border: 0; border-bottom: 1px solid rgba(255,255,255,0.07); background: transparent; color: rgba(255,255,255,0.52); font: 500 0.64rem "DM Mono", monospace; text-align: left; cursor: pointer; }
.hookup-selector button span { color: rgba(110,215,173,0.55); }
.hookup-selector button:hover, .hookup-selector button.active { background: rgba(110,215,173,0.1); color: #fff; }
.hookup-selector button.active { box-shadow: inset 4px 0 var(--instrument-green); }
.hookup-selector button.active span { color: var(--instrument-green); }
.hookup-selector button:focus-visible { position: relative; z-index: 2; outline: 3px solid var(--hazard); outline-offset: -3px; }
.hookup-panel { display: grid; grid-template-columns: minmax(430px,1.15fr) minmax(300px,0.85fr); min-width: 0; }
.hookup-diagram { position: relative; min-height: 560px; overflow: hidden; background: linear-gradient(rgba(110,215,173,0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(110,215,173,0.045) 1px, transparent 1px), radial-gradient(circle at 50% 46%,rgba(11,77,162,0.26),transparent 56%); background-size: 28px 28px; }
.hookup-diagram::before { content: "CONCEPTUAL CONNECTION — VERIFY TERMINALS ON CONTROLLED DRAWING"; position: absolute; top: 1rem; left: 1.2rem; color: rgba(110,215,173,0.5); font: 500 0.53rem "DM Mono", monospace; letter-spacing: 0.06em; }
.hookup-device { position: absolute; top: 86px; z-index: 2; display: grid; width: 145px; min-height: 115px; place-content: center; padding: 1rem; border: 1px solid rgba(110,215,173,0.35); border-radius: 9px; background: #09263d; text-align: center; }
.hookup-device-left { left: 7%; }.hookup-device-right { right: 7%; }
.hookup-device > span { color: var(--instrument-green); font: 500 0.52rem "DM Mono", monospace; letter-spacing: 0.08em; }
.hookup-device strong { margin: 0.45rem 0; color: #fff; font: 700 0.83rem "Syne", sans-serif; }
.hookup-device small { color: rgba(255,255,255,0.43); font: 400 0.55rem "DM Mono", monospace; }
.hookup-meter { position: absolute; top: 265px; left: 50%; z-index: 3; display: grid; width: 185px; min-height: 205px; place-content: center; padding: 1.4rem; border: 1px solid #708392; border-radius: 20px 20px 35px 35px; background: linear-gradient(145deg,#dce5e8,#9caeb7); box-shadow: 0 18px 45px rgba(0,0,0,0.28); color: #14242d; text-align: center; transform: translateX(-50%); transition: top 260ms ease, transform 260ms ease; }
.hookup-meter::before { content: ""; position: absolute; inset: 12px; border: 1px solid rgba(20,36,45,0.18); border-radius: 13px 13px 27px 27px; }
.hookup-meter > span, .hookup-meter > strong, .hookup-meter > small, .meter-jacks { position: relative; z-index: 1; }
.hookup-meter > span { font: 700 0.52rem "DM Mono", monospace; letter-spacing: 0.06em; }
.hookup-meter > strong { display: block; min-width: 132px; margin: 0.8rem 0 0.3rem; padding: 0.45rem; border: 2px inset #60736a; border-radius: 4px; background: #b7cfaa; font: 500 1.5rem "DM Mono", monospace; }
.hookup-meter > small { font: 500 0.55rem "DM Mono", monospace; }
.meter-jacks { display: flex; justify-content: center; gap: 54px; margin-top: 1.4rem; }
.meter-jacks i { width: 15px; height: 15px; border: 3px solid #e7ecee; border-radius: 50%; box-shadow: 0 0 0 2px #24333a; }
.meter-jacks .jack-red { background: #c8463b; }.meter-jacks .jack-black { background: #263039; }
.hookup-conductors i, .hookup-conductors b { position: absolute; z-index: 1; display: block; height: 3px; background: rgba(255,255,255,0.5); }
.hookup-conductors i:first-child { top: 121px; right: 50%; left: calc(7% + 145px); background: #c8463b; }
.hookup-conductors i:nth-child(2) { top: 166px; right: calc(7% + 145px); left: 50%; background: rgba(255,255,255,0.52); }
.hookup-conductors b { width: 3px; height: 150px; }
.hookup-conductors b:nth-child(3) { top: 121px; left: 50%; background: #c8463b; }.hookup-conductors b:nth-child(4) { top: 166px; left: 50%; background: rgba(255,255,255,0.52); }
.hookup-lead { position: absolute; bottom: 24px; z-index: 2; width: 42%; min-height: 54px; padding: 0.7rem; border: 1px solid rgba(255,255,255,0.1); background: rgba(4,21,37,0.88); }
.hookup-lead-red { left: 5%; }.hookup-lead-black { right: 5%; }
.hookup-lead span { display: block; font: 500 0.52rem "DM Mono", monospace; }.hookup-lead-red span { color: #ef6a5d; }.hookup-lead-black span { color: #c8d2d8; }
.hookup-lead small { color: rgba(255,255,255,0.53); font-size: 0.58rem; line-height: 1.35; }
.hookup-diagram.layout-parallel .hookup-meter, .hookup-diagram.layout-hart .hookup-meter { top: 275px; transform: translateX(-50%) scale(0.92); }
.hookup-diagram.layout-parallel .hookup-conductors i:first-child, .hookup-diagram.layout-hart .hookup-conductors i:first-child { right: calc(7% + 145px); }
.hookup-diagram.layout-parallel .hookup-conductors i:nth-child(2), .hookup-diagram.layout-hart .hookup-conductors i:nth-child(2) { left: calc(7% + 145px); }
.hookup-diagram.layout-source .hookup-device-left, .hookup-diagram.layout-simulate .hookup-device-left, .hookup-diagram.layout-loop-power .hookup-device-right { border-color: var(--hazard); }
.hookup-diagram.layout-pressure { background-color: #102b3c; }.hookup-diagram.layout-pressure .hookup-conductors i:first-child { height: 9px; border: 2px solid #708a99; border-radius: 999px; background: #1c394b; }.hookup-diagram.layout-pressure .hookup-device-left { border-radius: 50%; }
.hookup-diagram.layout-temperature .hookup-conductors i:first-child, .hookup-diagram.layout-temperature .hookup-conductors i:nth-child(2) { background: repeating-linear-gradient(90deg,#c8463b 0 9px,#d6b449 9px 18px); }
.hookup-readout { padding: clamp(2rem,4vw,3.5rem); border-left: 1px solid rgba(110,215,173,0.12); color: rgba(255,255,255,0.64); }
.hookup-readout > span { color: var(--instrument-green); font: 500 0.6rem "DM Mono", monospace; letter-spacing: 0.07em; text-transform: uppercase; }
.hookup-readout h3 { margin-top: 1.2rem; color: #fff; font-size: 1.55rem; }
.hookup-readout > p { color: rgba(255,255,255,0.6); font-size: 0.82rem; }
.hookup-readout ol { margin: 1.8rem 0; padding: 0; list-style: none; counter-reset: hookup-step; }
.hookup-readout li { position: relative; min-height: 48px; padding: 0 0 1rem 2.7rem; color: rgba(255,255,255,0.62); font-size: 0.75rem; line-height: 1.5; counter-increment: hookup-step; }
.hookup-readout li::before { content: counter(hookup-step,decimal-leading-zero); position: absolute; left: 0; color: var(--instrument-green); font: 500 0.6rem "DM Mono", monospace; }
.hookup-caution { padding: 1rem; border-left: 3px solid var(--hazard); background: rgba(239,183,83,0.08); }
.hookup-caution strong { color: var(--hazard); font: 700 0.72rem "Syne", sans-serif; }.hookup-caution p { margin-bottom: 0; color: rgba(255,255,255,0.61); font-size: 0.72rem; line-height: 1.48; }
.hookup-rules { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; margin-top: 1rem; }
.hookup-rules article { min-height: 180px; padding: 1.25rem; border: 1px solid var(--line); border-radius: 15px; background: rgba(255,255,255,0.78); }
.hookup-rules span { color: var(--ice-dark); font: 500 0.58rem "DM Mono", monospace; }.hookup-rules h3 { margin-top: 1rem; font-size: 0.95rem; }.hookup-rules p { color: var(--muted); font-size: 0.75rem; line-height: 1.5; }
.meter-hookup-boundary { max-width: none; margin-top: 1rem; padding: 1.2rem 1.4rem; border: 1px solid rgba(7,94,184,0.15); background: rgba(255,255,255,0.7); color: var(--muted); font-size: 0.8rem; }
.meter-hookup-boundary strong { color: var(--deep); }

@media (max-width: 1100px) {
  .hookup-workbench { grid-template-columns: 1fr; }
  .hookup-selector { grid-template-columns: repeat(8,minmax(130px,1fr)); overflow-x: auto; border-right: 0; border-bottom: 1px solid rgba(110,215,173,0.13); }
  .hookup-selector button { grid-template-columns: 24px 1fr; }
  .hookup-selector button.active { box-shadow: inset 0 -4px var(--instrument-green); }
  .hookup-panel { grid-template-columns: 1fr; }
  .hookup-readout { border-top: 1px solid rgba(110,215,173,0.12); border-left: 0; }
}

@media (max-width: 760px) {
  .hookup-warning { grid-template-columns: 1fr; gap: 0.4rem; }
  .hookup-diagram { min-height: 690px; }
  .hookup-device { top: 78px; width: 125px; min-height: 105px; }
  .hookup-device-left { left: 4%; }.hookup-device-right { right: 4%; }
  .hookup-meter { top: 240px; }
  .hookup-conductors i:first-child { right: 50%; left: calc(4% + 125px); }.hookup-conductors i:nth-child(2) { right: calc(4% + 125px); left: 50%; }
  .hookup-conductors b:nth-child(3) { top: 121px; }.hookup-conductors b:nth-child(4) { top: 166px; }
  .hookup-lead { bottom: 18px; width: 90%; min-height: 50px; }
  .hookup-lead-red { left: 5%; bottom: 84px; }.hookup-lead-black { right: 5%; }
  .hookup-rules { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 520px) {
  .hookup-diagram { min-height: 760px; }
  .hookup-device { top: 72px; width: 42%; }
  .hookup-meter, .hookup-diagram.layout-parallel .hookup-meter, .hookup-diagram.layout-hart .hookup-meter { top: 265px; transform: translateX(-50%) scale(0.9); }
  .hookup-conductors { display: none; }
  .hookup-rules { grid-template-columns: 1fr; }
  .hookup-rules article { min-height: 0; }
}

.nav.nav--grouped { overflow: visible; }

/* Handbook library and module pocket guides */
.handbook-library-page,
.module-handbook-page {
  --handbook-accent: #57d7ff;
  background:
    linear-gradient(rgba(7, 47, 112, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 47, 112, 0.035) 1px, transparent 1px),
    #edf4f6;
  background-size: 34px 34px;
}

.library-hero,
.pocket-hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 82% 15%, rgba(143, 216, 255, 0.2), transparent 28%),
    linear-gradient(120deg, #04162f 0%, #072f70 64%, #0a4c8a 100%);
}

.library-hero::before,
.pocket-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.13;
  background: repeating-linear-gradient(118deg, transparent 0 54px, rgba(255,255,255,0.16) 55px 56px);
}

.library-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 3rem;
  align-items: end;
  padding: clamp(4rem, 9vw, 8rem) max(5vw, calc((100vw - var(--wide)) / 2));
}

.library-hero > * { position: relative; z-index: 1; }
.library-hero .eyebrow,
.pocket-hero .eyebrow { color: #9ddcff; }
.library-hero h1,
.pocket-hero h1 { color: var(--white); }
.library-hero p { max-width: 720px; color: rgba(255,255,255,0.72); font-size: clamp(1rem, 1.8vw, 1.25rem); }
.library-hero__index { display: grid; justify-items: end; line-height: 1; }
.library-hero__index strong { color: #9ddcff; font: 800 clamp(5rem, 13vw, 11rem) "Syne", sans-serif; letter-spacing: -0.09em; }
.library-hero__index span { color: rgba(255,255,255,0.55); font: 500 0.65rem "DM Mono", monospace; letter-spacing: 0.12em; text-transform: uppercase; }

.library-main { width: min(calc(100% - 2rem), var(--wide)); margin: 0 auto; padding: clamp(3rem, 7vw, 7rem) 0; }
.library-group + .library-group { margin-top: clamp(4rem, 8vw, 7rem); }
.library-heading { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 2rem; align-items: start; margin-bottom: 2rem; }
.library-heading > span { padding-top: 0.7rem; color: var(--ice-dark); font: 500 0.66rem "DM Mono", monospace; letter-spacing: 0.12em; text-transform: uppercase; }
.library-heading h2 { max-width: 800px; margin: 0; padding: 0; }
.library-heading h2::before { display: none; }
.library-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1rem; }
.library-grid > a {
  position: relative;
  display: flex;
  grid-column: span 2;
  min-height: 310px;
  flex-direction: column;
  padding: 1.6rem;
  overflow: hidden;
  border: 1px solid rgba(7,47,112,0.13);
  border-radius: 8px 24px 8px 8px;
  background: rgba(255,255,255,0.9);
  box-shadow: 0 16px 42px rgba(6,26,66,0.08);
  color: var(--ink);
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease;
}
.library-grid > a:nth-child(4),
.library-grid > a:nth-child(5) { grid-column: span 3; }
.library-grid--technical > a { grid-column: span 2; }
.library-grid > a::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 6px; background: var(--card-accent); }
.library-grid > a::after { content: ""; position: absolute; top: -55px; right: -55px; width: 130px; height: 130px; border: 18px solid color-mix(in srgb, var(--card-accent), transparent 74%); border-radius: 50%; }
.library-grid > a:hover { transform: translateY(-7px); box-shadow: 0 25px 55px rgba(6,26,66,0.15); }
.library-grid > a > span { color: var(--ice-dark); font: 500 0.65rem "DM Mono", monospace; letter-spacing: 0.1em; }
.library-grid h3 { margin-top: auto; font-size: clamp(1.65rem, 3vw, 2.4rem); }
.library-grid p { color: var(--muted); font-size: 0.84rem; line-height: 1.55; }
.library-grid a > strong { margin-top: 1rem; color: var(--deep); font: 700 0.72rem "Syne", sans-serif; }

.pocket-hero { min-height: 570px; padding: 2rem max(5vw, calc((100vw - var(--wide)) / 2)) 7rem; }
.pocket-hero::after { content: attr(data-code); }
.pocket-hero__meta { position: relative; z-index: 1; display: flex; justify-content: space-between; padding-bottom: 1rem; border-bottom: 1px solid rgba(255,255,255,0.16); color: rgba(255,255,255,0.52); font: 500 0.62rem "DM Mono", monospace; letter-spacing: 0.1em; text-transform: uppercase; }
.pocket-hero__content { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(220px, 0.28fr); gap: 3rem; align-items: end; margin-top: clamp(4rem, 8vw, 7rem); }
.pocket-hero h1 { max-width: 830px; font-size: clamp(3.4rem, 8vw, 7.2rem); }
.pocket-hero p { max-width: 720px; color: rgba(255,255,255,0.7); font-size: clamp(1rem, 1.7vw, 1.22rem); }
.pocket-brief { width: min(100%, 620px); margin-top: 1.2rem; border: 1px solid rgba(255,255,255,0.2); border-radius: 10px; background: rgba(255,255,255,0.06); }
.pocket-brief summary { display: flex; justify-content: space-between; gap: 1rem; padding: 0.8rem 1rem; color: var(--white); font: 700 0.72rem "Syne", sans-serif; cursor: pointer; list-style: none; }
.pocket-brief summary::-webkit-details-marker { display: none; }
.pocket-brief summary::after { content: "+"; color: var(--handbook-accent); font: 500 1rem "DM Mono", monospace; }
.pocket-brief[open] summary::after { content: "−"; }
.pocket-brief p { margin: 0; padding: 0 1rem 1rem; font-size: 0.86rem; line-height: 1.55; }
.pocket-hero__actions { display: grid; gap: 0.7rem; align-content: end; }
.pocket-hero__actions .button { width: 100%; text-align: center; }
.pocket-hero__actions button { font-family: "Syne", sans-serif; cursor: pointer; }
.pocket-hero__stamp { position: absolute; right: -1.8rem; bottom: 0.4rem; display: grid; width: 210px; height: 210px; place-content: center; border: 2px solid color-mix(in srgb, var(--handbook-accent), transparent 45%); border-radius: 50%; opacity: 0.24; color: var(--handbook-accent); text-align: center; transform: rotate(-12deg); }
.pocket-hero__stamp::before { content: ""; position: absolute; inset: 11px; border: 1px solid currentColor; border-radius: inherit; }
.pocket-hero__stamp span,
.pocket-hero__stamp small { font: 500 0.62rem "DM Mono", monospace; letter-spacing: 0.22em; }
.pocket-hero__stamp strong { font: 800 2.15rem "Syne", sans-serif; line-height: 1; }

.pocket-main { width: min(calc(100% - 2rem), var(--wide)); margin: 0 auto; padding-bottom: 4rem; }
.pocket-holdpoints { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1fr) 220px; gap: 2rem; margin-top: -4rem; padding: clamp(1.4rem, 4vw, 2.8rem); border: 1px solid rgba(255,255,255,0.8); border-radius: 10px 32px 10px 10px; background: rgba(255,255,255,0.96); box-shadow: 0 28px 65px rgba(6,26,66,0.15); }
.pocket-section-heading > span { color: var(--ice-dark); font: 500 0.62rem "DM Mono", monospace; letter-spacing: 0.1em; text-transform: uppercase; }
.pocket-section-heading h2 { margin: 0.45rem 0 0; padding: 0; }
.pocket-section-heading h2::before { display: none; }
.pocket-section-heading p { max-width: 740px; color: var(--muted); font-size: 0.82rem; }
.pocket-progress { align-self: center; padding: 1.2rem; border-radius: 14px; background: var(--night); color: var(--white); }
.pocket-progress strong { display: block; font: 700 1.45rem "Syne", sans-serif; }
.pocket-progress div { height: 6px; margin-top: 0.8rem; overflow: hidden; border-radius: 6px; background: rgba(255,255,255,0.12); }
.pocket-progress span { display: block; width: 100%; height: 100%; background: var(--handbook-accent); transform: scaleX(0); transform-origin: left; transition: transform 220ms ease; }
.pocket-holdpoint-grid { display: grid; grid-column: 1 / -1; grid-template-columns: repeat(3, 1fr); gap: 0.65rem; }
.pocket-holdpoint-grid details { overflow: hidden; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.pocket-holdpoint-grid details:has(input:checked) { background: color-mix(in srgb, var(--handbook-accent), white 84%); }
.pocket-holdpoint-grid summary { display: grid; grid-template-columns: 34px 1fr auto; gap: 0.55rem; align-items: center; padding: 0.9rem 1rem; cursor: pointer; list-style: none; }
.pocket-holdpoint-grid summary::-webkit-details-marker { display: none; }
.pocket-holdpoint-grid summary::after { content: "+"; color: var(--ice-dark); font: 500 1.2rem "DM Mono", monospace; }
.pocket-holdpoint-grid details[open] summary::after { content: "−"; }
.pocket-holdpoint-grid summary span { color: var(--ice-dark); font: 500 0.62rem "DM Mono", monospace; }
.pocket-holdpoint-grid summary strong { color: var(--night); font: 700 0.92rem "Syne", sans-serif; }
.pocket-holdpoint-grid details > div { padding: 0 1rem 1rem 3.1rem; }
.pocket-holdpoint-grid details p { margin: 0; color: var(--muted); font-size: 0.72rem; line-height: 1.5; }
.pocket-holdpoint-grid details label { display: flex; gap: 0.45rem; align-items: center; margin-top: 0.8rem; color: var(--deep); font: 600 0.65rem "Syne", sans-serif; cursor: pointer; }
.pocket-holdpoint-grid input { accent-color: var(--deep); }

.pocket-layout { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: clamp(2rem, 5vw, 4rem); align-items: start; padding-top: clamp(4rem, 8vw, 7rem); }
.pocket-content { min-width: 0; }
.pocket-section + .pocket-section { margin-top: clamp(4rem, 8vw, 7rem); }
.pocket-snapshot { display: grid; grid-template-columns: 1fr 1fr; margin-top: 1.8rem; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.pocket-snapshot article { min-height: 150px; padding: 1.35rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,0.72); }
.pocket-snapshot span { color: var(--ice-dark); font: 500 0.62rem "DM Mono", monospace; letter-spacing: 0.08em; text-transform: uppercase; }
.pocket-snapshot p { color: var(--ink); font-size: 0.86rem; line-height: 1.55; }
.pocket-table-wrap { margin-top: 1.8rem; overflow-x: auto; border: 1px solid var(--line); background: rgba(255,255,255,0.8); }
.pocket-table { width: 100%; min-width: 700px; border-collapse: collapse; font-size: 0.78rem; line-height: 1.55; }
.pocket-table th { padding: 0.9rem 1rem; background: var(--night); color: var(--white); font: 600 0.61rem "DM Mono", monospace; letter-spacing: 0.07em; text-align: left; text-transform: uppercase; }
.pocket-table td { width: 33.333%; padding: 1rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); vertical-align: top; }
.pocket-table tbody tr:last-child td { border-bottom: 0; }
.pocket-table tbody td:first-child { color: var(--night); font-weight: 700; }
.pocket-note-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.8rem; }
.pocket-note-grid article { position: relative; min-height: 230px; padding: 1.5rem; overflow: hidden; border: 1px solid var(--line); border-radius: 5px 22px 5px 5px; background: var(--white); box-shadow: 0 12px 32px rgba(6,26,66,0.06); }
.pocket-note-grid article > span { color: var(--handbook-accent); font: 800 3.7rem "Syne", sans-serif; letter-spacing: -0.08em; line-height: 1; }
.pocket-note-grid h3 { margin-top: 1.2rem; font-size: 1.2rem; }
.pocket-note-grid p { color: var(--muted); font-size: 0.78rem; line-height: 1.58; }
.pocket-handover { padding: clamp(1.5rem, 4vw, 2.5rem); border: 1px solid var(--line); background: #fffefa; box-shadow: 0 18px 45px rgba(6,26,66,0.07); }
.handover-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem 2rem; margin-top: 2rem; }
.handover-fields label { color: var(--deep); font: 500 0.61rem "DM Mono", monospace; letter-spacing: 0.06em; text-transform: uppercase; }
.handover-fields label:nth-child(n+3) { grid-column: 1 / -1; }
.handover-fields span { display: block; min-height: 62px; margin-top: 0.45rem; background: repeating-linear-gradient(to bottom, transparent 0 28px, rgba(7,47,112,0.18) 29px 30px); }
.pocket-rail { position: sticky; top: 92px; display: grid; gap: 1rem; }
.pocket-rail section { padding: 1.5rem; border: 1px solid var(--line); background: rgba(255,255,255,0.86); }
.pocket-rail__label { color: var(--ice-dark); font: 500 0.62rem "DM Mono", monospace; letter-spacing: 0.1em; text-transform: uppercase; }
.pocket-rail h2 { margin: 0.55rem 0 0; padding: 0; font-size: 1.55rem; }
.pocket-rail h2::before { display: none; }
.pocket-rail ul { margin: 1.2rem 0 0; padding: 0; list-style: none; }
.pocket-rail li { position: relative; padding: 0.65rem 0 0.65rem 1.6rem; border-top: 1px solid var(--line); font-size: 0.75rem; line-height: 1.45; }
.pocket-rail li::before { content: "□"; position: absolute; left: 0; color: var(--ice-dark); font-family: "DM Mono", monospace; }
.pocket-rail .pocket-stop { border-color: color-mix(in srgb, var(--handbook-accent), #061a42 40%); background: var(--night); color: var(--white); }
.pocket-stop > span { color: var(--handbook-accent); font: 700 0.66rem "Syne", sans-serif; text-transform: uppercase; }
.pocket-stop p { color: rgba(255,255,255,0.7); font-size: 0.75rem; line-height: 1.58; }
.pocket-rail dl { margin: 1rem 0 0; }
.pocket-rail dl div { padding: 0.8rem 0; border-top: 1px solid var(--line); }
.pocket-rail dt { color: var(--night); font: 700 0.75rem "Syne", sans-serif; }
.pocket-rail dd { margin: 0.25rem 0 0; color: var(--muted); font-size: 0.68rem; line-height: 1.5; }
.pocket-boundary { max-width: none; margin-top: 4rem; }

.module-handbook-link { width: min(calc(100% - 2rem), var(--wide)); margin: 1.2rem auto 0; }
.module-handbook-link a { display: flex; justify-content: space-between; gap: 1rem; align-items: center; padding: 1rem 1.3rem; border: 1px solid rgba(143,216,255,0.24); border-radius: 12px; background: var(--night); color: var(--white); text-decoration: none; }
.module-handbook-link span { color: var(--ice); font: 500 0.62rem "DM Mono", monospace; letter-spacing: 0.08em; text-transform: uppercase; }
.module-handbook-link strong { font-family: "Syne", sans-serif; }

.hold-point-dropdowns { grid-template-columns: repeat(3, 1fr); gap: 0.65rem; border: 0; }
.hold-point-dropdowns details { overflow: hidden; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.hold-point-dropdowns details:has(input:checked) { background: #e4f5eb; }
.hold-point-dropdowns summary { display: grid; grid-template-columns: 34px 1fr auto; gap: 0.55rem; align-items: center; padding: 0.9rem 1rem; cursor: pointer; list-style: none; }
.hold-point-dropdowns summary::-webkit-details-marker { display: none; }
.hold-point-dropdowns summary::after { content: "+"; color: var(--ice-dark); font: 500 1.2rem "DM Mono", monospace; }
.hold-point-dropdowns details[open] summary::after { content: "−"; }
.hold-point-dropdowns summary span { color: var(--ice-dark); font: 500 0.62rem "DM Mono", monospace; }
.hold-point-dropdowns summary strong { margin: 0; color: var(--night); font: 700 0.92rem "Syne", sans-serif; }
.hold-point-dropdowns details > div { padding: 0 1rem 1rem 3.1rem; }
.hold-point-dropdowns details p { margin: 0; color: var(--muted); font-size: 0.72rem; line-height: 1.5; }
.hold-point-dropdowns details label { display: flex; min-height: 0; gap: 0.45rem; align-items: center; margin-top: 0.8rem; padding: 0; border: 0; color: var(--deep); font: 600 0.65rem "Syne", sans-serif; cursor: pointer; }
.hold-point-dropdowns details label:hover { background: transparent; transform: none; }
.hold-point-dropdowns input { position: static; accent-color: #188451; }

.compact-dropdowns { gap: 0.65rem; }
.compact-dropdowns details > div { padding: 0 1.3rem 1rem 4.55rem; color: var(--muted); }
.compact-dropdowns details p { margin: 0; font-size: 0.78rem; line-height: 1.55; }

.meter-handbook-section { margin-top: clamp(4rem, 8vw, 7rem); }
.meter-module-link { align-self: end; color: var(--deep); }
.meter-port-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.75rem; margin: 1.8rem 0 1rem; }
.meter-port-strip > div { min-height: 120px; padding: 1rem; border: 1px solid var(--line); border-radius: 12px; background: rgba(255,255,255,0.78); }
.meter-port-strip p { margin: 0.65rem 0 0; color: var(--muted); font-size: 0.7rem; line-height: 1.45; }
.meter-port { display: grid; width: 45px; height: 45px; place-items: center; border: 4px solid currentColor; border-radius: 50%; font: 700 0.54rem "DM Mono", monospace; }
.meter-port--black { color: #192333; }
.meter-port--red { color: #c63737; }
.meter-port-strip strong { color: var(--night); font: 700 0.82rem "Syne", sans-serif; }
.meter-danger { max-width: none; margin: 0 0 1rem; padding: 1rem 1.2rem; border-left: 4px solid #c43b35; background: #fff0ed; color: #6e2b27; font-size: 0.78rem; }
.meter-hookup-dropdowns details { border-radius: 10px; }
.meter-hookup-dropdowns summary span { border-radius: 8px; }
.meter-hookup-body { padding: 0 1.4rem 1.4rem 4.55rem; }
.meter-hookup-body > p:first-child { margin-top: 0; color: var(--deep); }
.meter-hookup-body ol { margin: 1rem 0; padding-left: 1.25rem; }
.meter-hookup-body li { margin: 0.5rem 0; color: var(--muted); font-size: 0.78rem; line-height: 1.55; }
.hookup-rule { max-width: none; margin: 1rem 0 0; padding: 0.8rem 1rem; border-left: 3px solid var(--signal); background: #fff9eb; color: #70511d; font-size: 0.73rem; }

@media (max-width: 900px) {
  .library-hero { grid-template-columns: 1fr; }
  .library-hero__index { display: none; }
  .library-grid > a,
  .library-grid > a:nth-child(4),
  .library-grid > a:nth-child(5),
  .library-grid--technical > a { grid-column: span 3; }
  .pocket-hero__content { grid-template-columns: 1fr; }
  .pocket-hero__actions { grid-template-columns: 1fr 1fr; }
  .pocket-holdpoint-grid { grid-template-columns: 1fr 1fr; }
  .pocket-layout { grid-template-columns: 1fr; }
  .pocket-rail { position: static; grid-template-columns: 1fr 1fr; }
  .pocket-rail section:last-child { grid-column: 1 / -1; }
  .meter-port-strip { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  .library-heading { grid-template-columns: 1fr; gap: 0.4rem; }
  .library-grid { grid-template-columns: 1fr; }
  .library-grid > a,
  .library-grid > a:nth-child(4),
  .library-grid > a:nth-child(5),
  .library-grid--technical > a { grid-column: auto; min-height: 250px; }
  .pocket-hero { min-height: 620px; padding-right: 1rem; padding-left: 1rem; }
  .pocket-hero__meta { gap: 1rem; }
  .pocket-hero__content { margin-top: 3rem; }
  .pocket-hero__actions { grid-template-columns: 1fr; }
  .pocket-hero__stamp { display: none; }
  .pocket-holdpoints { grid-template-columns: 1fr; margin-top: -2rem; padding: 1rem; }
  .pocket-holdpoint-grid { grid-template-columns: 1fr 1fr; }
  .hold-point-dropdowns,
  .pocket-holdpoint-grid,
  .meter-port-strip { grid-template-columns: 1fr; }
  .pocket-snapshot,
  .pocket-note-grid,
  .handover-fields,
  .pocket-rail { grid-template-columns: 1fr; }
  .handover-fields label { grid-column: auto; }
  .pocket-rail section:last-child { grid-column: auto; }
  .module-handbook-link a { align-items: flex-start; flex-direction: column; }
  .meter-hookup-body,
  .compact-dropdowns details > div { padding-left: 1.2rem; }
}

@media print {
  body.module-handbook-page { background: #fff; color: #111; font-size: 9pt; }
  body.module-handbook-page .nav,
  body.module-handbook-page footer,
  body.module-handbook-page .pocket-hero__actions,
  body.module-handbook-page .pocket-progress,
  body.module-handbook-page .pocket-boundary { display: none !important; }
  body.module-handbook-page .pocket-hero { min-height: 0; padding: 16mm 12mm 20mm; background: #092b57 !important; print-color-adjust: exact; }
  body.module-handbook-page .pocket-hero__content { display: block; margin-top: 18mm; }
  body.module-handbook-page .pocket-hero h1 { font-size: 38pt; }
  body.module-handbook-page .pocket-hero__stamp { display: none; }
  body.module-handbook-page .pocket-main { width: auto; padding: 0 10mm; }
  body.module-handbook-page .pocket-holdpoints { display: block; margin: -10mm 0 0; padding: 8mm; box-shadow: none; }
  body.module-handbook-page .pocket-holdpoint-grid { grid-template-columns: repeat(3, 1fr); margin-top: 6mm; }
  body.module-handbook-page .pocket-holdpoint-grid details { min-height: 31mm; break-inside: avoid; }
  body.module-handbook-page .pocket-holdpoint-grid details > div { display: block; }
  body.module-handbook-page .pocket-layout { display: block; padding-top: 12mm; }
  body.module-handbook-page .pocket-section,
  body.module-handbook-page .pocket-rail section { break-inside: avoid; }
  body.module-handbook-page .pocket-section + .pocket-section { margin-top: 12mm; }
  body.module-handbook-page .pocket-rail { position: static; grid-template-columns: repeat(3, 1fr); margin-top: 12mm; }
  body.module-handbook-page .pocket-rail section:last-child { grid-column: auto; }
  body.module-handbook-page .pocket-note-grid article { min-height: 0; box-shadow: none; }
  body.module-handbook-page .pocket-table { min-width: 0; font-size: 7.5pt; }
}

/* Collapsible sections — fundamentals and plant-type modules */
.topic { border-bottom: 1px solid var(--line); }
.topic:first-of-type { border-top: 1px solid var(--line); }

.topic > summary {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  padding: 1.45rem 0;
  cursor: pointer;
  list-style: none;
}

.topic > summary::-webkit-details-marker { display: none; }

.topic > summary::after {
  content: "+";
  margin-left: auto;
  color: var(--ice-dark);
  font-family: "DM Mono", monospace;
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1;
}

.topic[open] > summary::after { content: "−"; }

.topic > summary h2 {
  margin: 0;
  padding: 0;
  font-size: clamp(1.4rem, 2.9vw, 2.05rem);
  transition: color 180ms ease;
}

.topic > summary h2::before { display: none; }
.topic > summary:hover h2 { color: var(--ice-dark); }

.topic__body { padding-bottom: 1.8rem; }
.topic__body > *:first-child { margin-top: 0; }
.topic:first-of-type .topic__body > p:first-of-type { color: #31464d; font-size: 1.07rem; }

/* Hero overview and nameplate — open on desktop, tucked away on phones */
.hero-brief { max-width: 680px; margin-top: 1.5rem; }

.hero-brief > summary {
  display: inline-flex;
  gap: 0.55rem;
  align-items: center;
  padding: 0.35rem 0;
  color: var(--ice);
  font-family: "DM Mono", monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  list-style: none;
}

.hero-brief > summary::-webkit-details-marker { display: none; }
.hero-brief > summary::after { content: "⌄"; font-size: 0.95rem; line-height: 1; transition: transform 180ms ease; }
.hero-brief[open] > summary::after { transform: rotate(180deg); }
.hero-brief p { margin-top: 0.5rem; }

.plate-drop {
  overflow: hidden;
  border-radius: var(--radius);
  background: rgba(247, 249, 246, 0.97);
  box-shadow: 0 24px 70px rgba(7, 19, 26, 0.16);
}

.plate-drop > summary {
  display: flex;
  gap: 1rem;
  align-items: center;
  padding: 0.95rem 1.25rem;
  background: var(--ice);
  color: var(--night);
  font-family: "DM Mono", monospace;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  list-style: none;
}

.plate-drop > summary::-webkit-details-marker { display: none; }
.plate-drop > summary::after { content: "+"; margin-left: auto; font-size: 1.1rem; line-height: 1; }
.plate-drop[open] > summary::after { content: "−"; }
.plate-drop table { border-radius: 0; background: transparent; box-shadow: none; }

.intro-brief > summary {
  display: inline-flex;
  gap: 0.55rem;
  align-items: center;
  color: var(--ice-dark);
  font-family: "DM Mono", monospace;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  list-style: none;
}

.intro-brief > summary::-webkit-details-marker { display: none; }
.intro-brief > summary::after { content: "⌄"; font-size: 0.9rem; line-height: 1; transition: transform 180ms ease; }
.intro-brief[open] > summary::after { transform: rotate(180deg); }
.intro-brief p { margin: 0.55rem 0 0; color: var(--muted); }

.scroll { -webkit-overflow-scrolling: touch; overscroll-behavior-x: contain; }

/* Phone fit-up */
@media (max-width: 640px) {
  h1 { font-size: clamp(1.95rem, 8.5vw, 2.7rem); letter-spacing: -0.038em; }

  .hero { min-height: 0; padding-top: 3.1rem; padding-bottom: 5.5rem; }
  .hero::after { display: none; }
  .hero .type { margin-bottom: 0.85rem; font-size: 0.65rem; }
  .hero .type::before { width: 24px; }
  .hero p { font-size: 0.98rem; }
  .hero-brief { margin-top: 1.1rem; }

  .nav-dropdown,
  .nav-menu--wide .nav-dropdown { top: 64px; max-height: calc(100vh - 78px); }

  .plate { margin-top: -2.5rem; }
  .plate-drop > summary { padding: 0.8rem 1rem; font-size: 0.65rem; }

  main { padding-top: 2.6rem; padding-bottom: 4rem; }

  .topic > summary { gap: 0.85rem; padding: 1.1rem 0; }
  .topic > summary h2 { font-size: 1.26rem; letter-spacing: -0.022em; }
  .topic > summary::after { font-size: 1.3rem; }
  .topic__body { padding-bottom: 1.4rem; }

  .flow li { margin-left: 17px; padding: 1rem 0 1rem 1.55rem; }
  .flow li::before { top: 0.85rem; left: -18px; width: 36px; height: 36px; font-size: 0.6rem; }

  table.data { min-width: 520px; font-size: 0.8rem; }
  table.data th,
  table.data td { padding: 0.7rem 0.75rem; }

  .safety { padding: 1.15rem 1.1rem 1.15rem 3.35rem; }
  .safety::before { width: 2.55rem; font-size: 1.2rem; }

  .card { min-height: 165px; padding: 1.25rem; }
  .card h3 { max-width: 100%; font-size: 1.15rem; }
  .card span { max-width: 100%; }
}