:root {
  --ink: #05070a;
  --ink-2: #090c11;
  --ink-3: #10151c;
  --line: rgba(236, 231, 223, 0.09);
  --line-2: rgba(236, 231, 223, 0.18);
  --text: #ece7df;
  --muted: #9a9790;
  --dim: #8f8c86;
  --heat: #ff5a1f;
  --heat-2: #ffb347;
  --ironbow: linear-gradient(0deg, #170f42 0%, #5c1a8c 25%, #bf266e 50%, #ff5a1f 70%, #ffb347 86%, #fff4d0 100%);
  --serif: "Instrument Serif", "Times New Roman", serif;
  --sans: "Inter Tight", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --gutter: clamp(16px, 4vw, 56px);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; background: var(--ink); }
body {
  background: var(--ink);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
em { font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: -0.01em; }
.mono { font-family: var(--mono); letter-spacing: 0.02em; }
::selection { background: var(--heat-2); color: var(--ink); }
:focus-visible { outline: 2px solid var(--heat-2); outline-offset: 3px; }

/* ---------- NAV ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 20px var(--gutter);
  border-bottom: 1px solid transparent;
  transition: background 0.4s, border-color 0.4s, padding 0.4s;
}
.nav.is-scrolled { background: rgba(9, 12, 17, 0.9); backdrop-filter: blur(16px) saturate(1.2); -webkit-backdrop-filter: blur(16px) saturate(1.2); border-color: var(--line-2); padding-top: 12px; padding-bottom: 12px; box-shadow: 0 10px 30px -18px rgba(0, 0, 0, 0.9); }
.brand { display: flex; align-items: center; gap: 10px; }
.brand__mark { width: 12px; height: 22px; border-radius: 2px; background: var(--ironbow); }
.brand__name { font-weight: 600; letter-spacing: 0.3em; font-size: 15px; }
.brand__sub { font-family: var(--mono); font-size: 10px; color: var(--muted); letter-spacing: 0.16em; }
.nav__links { position: relative; display: flex; gap: 4px; font-size: 14px; color: var(--muted); }
.nav__links a { position: relative; padding: 8px 14px; border-radius: 3px; transition: color 0.25s, background 0.25s; }
.nav__links a:hover { color: var(--text); background: rgba(236, 231, 223, 0.05); }
.nav__links a:active { background: rgba(255, 179, 71, 0.12); }
.nav__links a.is-active { color: var(--text); }
.nav__indicator { position: absolute; bottom: -2px; left: 0; height: 2px; width: 0; border-radius: 1px; background: var(--heat-2); box-shadow: 0 0 10px rgba(255, 179, 71, 0.6); opacity: 0; transition: transform 0.5s var(--ease), width 0.5s var(--ease), opacity 0.3s; }
.nav__indicator.is-on { opacity: 1; }
.nav__progress { position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; pointer-events: none; opacity: 0; transition: opacity 0.4s; }
.nav.is-scrolled .nav__progress { opacity: 1; }
.nav__progress i { display: block; height: 100%; background: linear-gradient(90deg, #5c1a8c, #bf266e, #ff5a1f, #ffb347); transform-origin: left; transform: scaleX(var(--p, 0)); }
section[id] { scroll-margin-top: 68px; }
.nav__right { display: flex; align-items: center; gap: 20px; }
.clock { font-size: 11.5px; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.clock .dot { width: 6px; height: 6px; border-radius: 50%; background: #3ddc84; }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 15px 24px; border-radius: 3px; border: 0; cursor: pointer;
  font: 500 15px var(--sans); color: var(--ink); background: var(--heat-2);
  transition: background 0.3s, color 0.3s, box-shadow 0.3s;
}
.btn:hover { background: #ffd08a; box-shadow: 0 0 32px rgba(255, 179, 71, 0.35); }
.btn--ghost { background: transparent; color: var(--text); box-shadow: inset 0 0 0 1px var(--line-2); }
@media (max-width: 860px) { .hero__cta .btn--ghost { background: rgba(5, 7, 10, 0.65); box-shadow: inset 0 0 0 1px rgba(236, 231, 223, 0.35); } }
.btn--ghost:hover { background: rgba(236, 231, 223, 0.06); box-shadow: inset 0 0 0 1px var(--muted); }
.btn--small { padding: 10px 16px; font-size: 13px; }
.btn--wide { grid-column: 1 / -1; padding: 19px; font-size: 16px; }

/* ---------- HERO ---------- */
.hero {
  position: relative; min-height: 100svh; overflow: hidden;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding-top: 128px;
}
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.hero__canvas.is-fallback { background: radial-gradient(60% 50% at 70% 70%, #5c1a8c 0%, #170f42 45%, var(--ink) 80%); }
.hero__shade {
  position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(90deg, rgba(5, 7, 10, 0.9) 0%, rgba(5, 7, 10, 0.55) 34%, transparent 60%),
    linear-gradient(180deg, transparent 70%, var(--ink) 100%);
}

.scale {
  position: absolute; right: var(--gutter); top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.14em;
}
.scale__bar { position: relative; display: block; width: 6px; height: 34vh; background: var(--ironbow); border-radius: 1px; }
.scale__bar b {
  position: absolute; left: -7px; right: -7px; height: 2px; background: var(--text);
  bottom: calc(var(--t, 0.55) * 100%); transition: bottom 0.8s var(--ease);
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.7);
}

.hero__content { position: relative; padding: 0 var(--gutter); max-width: 1040px; }
.hero__meta { display: flex; flex-wrap: wrap; gap: 8px 28px; font-size: 11.5px; color: var(--muted); }
.hero__meta span:first-child { color: var(--heat-2); }
.hero__title {
  margin-top: 26px; font-weight: 300; letter-spacing: -0.04em; line-height: 0.95;
  font-size: clamp(50px, 8.6vw, 140px);
}
.hero__title span { display: block; }
.hero__title em { color: var(--heat-2); padding-right: 0.06em; }
.hero__lead { position: relative; margin-top: 28px; max-width: 540px; font-size: clamp(16px, 1.3vw, 18.5px); color: #c3bfb7; font-weight: 300; }
.hero__cta { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 12px; }

.hero__strip {
  position: relative; margin-top: 64px; display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-2); background: rgba(5, 7, 10, 0.55); backdrop-filter: blur(8px);
}
.strip-item {
  display: flex; flex-direction: column; gap: 4px; padding: 20px var(--gutter);
  border-right: 1px solid var(--line); font-size: 12px; transition: background 0.4s;
}
.strip-item:last-child { border-right: 0; }
.strip-item span { color: var(--text); font-weight: 500; font-size: 13px; }
.strip-item b { color: var(--muted); font-weight: 400; }
.strip-item:hover, .strip-item:focus-visible { background: rgba(255, 179, 71, 0.08); }
.strip-item:hover span { color: var(--heat-2); }

/* one entrance sequence, hero only */
.js .intro { opacity: 0; transform: translateY(18px); }
.js .is-ready .intro { opacity: 1; transform: none; transition: opacity 1s var(--ease) var(--d, 0s), transform 1s var(--ease) var(--d, 0s); }

/* ---------- SECTIONS ---------- */
.section { position: relative; padding: clamp(96px, 13vw, 168px) var(--gutter); }
.section__head { max-width: 1100px; margin-bottom: clamp(48px, 6vw, 88px); }
.eyebrow { font-size: 12px; color: var(--heat-2); }
.section h2 { margin-top: 18px; font-weight: 300; font-size: clamp(38px, 5.4vw, 80px); line-height: 1.02; letter-spacing: -0.035em; }
.section h2 em { color: var(--heat-2); }
.section__lead { margin-top: 24px; max-width: 560px; color: var(--muted); font-size: 18px; font-weight: 300; }

/* grades */
.grades { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-2); }
.grade {
  position: relative; display: flex; flex-direction: column; padding: 28px 28px 30px 0;
  border-right: 1px solid var(--line);
}
.grade + .grade { padding-left: 28px; }
.grade:last-child { border-right: 0; }
.grade__kind { font-size: 11.5px; color: var(--dim); }
.grade h3 { margin-top: 32px; font-weight: 300; font-size: clamp(40px, 3.8vw, 58px); letter-spacing: -0.035em; line-height: 1; }
.grade p { margin-top: 14px; color: var(--muted); font-size: 15px; min-height: 3.2em; }
.grade dl { margin-top: 22px; border-top: 1px solid var(--line); font-size: 12px; }
.grade dl div { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.grade dt { color: var(--dim); }
.grade dd { color: var(--text); text-align: right; }
.grade__cta { margin-top: 22px; font-size: 14px; color: var(--muted); transition: color 0.3s; }
.grade:hover .grade__cta { color: var(--heat-2); }
.grade:hover h3 { color: var(--heat-2); }

/* services */
.section--services { border-top: 1px solid var(--line); }
.services { list-style: none; border-top: 1px solid var(--line-2); }
.service { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; padding: 44px 0; border-bottom: 1px solid var(--line); }
.service h3 { font-weight: 300; font-size: clamp(30px, 3.4vw, 50px); letter-spacing: -0.03em; line-height: 1.05; }
.service p { color: #c3bfb7; font-size: 17px; font-weight: 300; max-width: 560px; }
.service .service__proof { margin-top: 18px; font-size: 12.5px; color: var(--heat-2); }
.principle small b { display: block; margin-top: 10px; font-family: var(--mono); font-weight: 400; font-size: 12.5px; color: var(--heat-2); }
.form__more { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 28px 24px; }
.form__more[hidden] { display: none; }
.form__expand { grid-column: 1 / -1; justify-self: start; background: none; border: 0; padding: 0; cursor: pointer; font: 500 14px var(--sans); color: var(--heat-2); }
.form__expand:hover { color: #ffd08a; }
.service ul { list-style: none; margin-top: 18px; display: grid; gap: 6px; font-size: 15px; color: var(--muted); }
.service li { padding-left: 18px; position: relative; }
.service li::before { content: ""; position: absolute; left: 0; top: 0.7em; width: 8px; height: 1px; background: var(--heat-2); }

/* stem lifecycle */
.section--stem { border-top: 1px solid var(--line); }
.stem { position: relative; }
.stem__rail { position: absolute; left: 0; right: 0; top: 7px; height: 1px; background: var(--line-2); }
.stem__rail i { position: absolute; inset: 0; background: linear-gradient(90deg, #5c1a8c, #bf266e, #ff5a1f, #ffb347); transform-origin: left; transform: scaleX(var(--p, 0)); }
.stem__steps { list-style: none; display: grid; grid-template-columns: repeat(6, 1fr); gap: 24px; }
.stem__steps li { position: relative; padding-top: 40px; }
.stem__steps li::before {
  content: ""; position: absolute; top: 0; left: 0; width: 15px; height: 15px; border-radius: 50%;
  background: var(--ink); border: 1px solid var(--line-2); transition: background 0.5s, border-color 0.5s, box-shadow 0.5s;
}
.stem__steps li.is-lit::before { background: var(--heat-2); border-color: var(--heat-2); box-shadow: 0 0 14px rgba(255, 179, 71, 0.7); }
.stem__steps span { font-size: 11.5px; color: var(--dim); }
.stem__steps h4 { margin-top: 8px; font-weight: 500; font-size: 19px; letter-spacing: -0.01em; }
.stem__steps p { margin-top: 8px; color: var(--muted); font-size: 14.5px; }

/* principles */
.section--principles { border-top: 1px solid var(--line); }
.principles { margin-top: 40px; border-top: 1px solid var(--line-2); }
.principle { display: grid; grid-template-columns: 1fr 340px; align-items: end; gap: 40px; padding: 40px 0; border-bottom: 1px solid var(--line); }
.principle p { font-weight: 300; font-size: clamp(36px, 4.5vw, 64px); line-height: 0.98; letter-spacing: -0.045em; }
.principle p em { color: var(--heat-2); }
.principle small { color: var(--muted); font-size: 15px; padding-bottom: 12px; }

/* company */
.section--company { border-top: 1px solid var(--line); background: var(--ink-2); }
.company { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: end; }
.company__text > p:not(.eyebrow) { margin-top: 26px; max-width: 560px; color: var(--muted); font-size: 17px; font-weight: 300; }
.register { border-top: 1px solid var(--line-2); font-size: 13px; }
.register div { display: flex; justify-content: space-between; gap: 16px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.register dt { color: var(--dim); }
.register dd { text-align: right; }

/* quote */
.section--quote { border-top: 1px solid var(--line); }
.quote { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(40px, 6vw, 96px); }
.quote__intro > p:not(.eyebrow) { margin-top: 24px; color: var(--muted); font-size: 17px; max-width: 440px; }
.quote__intro b { color: var(--text); font-weight: 500; }

.form { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 24px; align-content: start; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field__label { font-size: 11.5px; color: var(--muted); }
.field input {
  background: transparent; border: 0; border-bottom: 1px solid rgba(236, 231, 223, 0.25); border-radius: 0; padding: 6px 0 12px;
  color: var(--text); font: 300 19px var(--sans); outline: none; transition: border-color 0.3s;
}
.field input::placeholder { color: #858780; }
.field input:focus { border-color: var(--heat-2); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 11px 16px; border-radius: 3px; border: 1px solid var(--line-2); background: transparent;
  color: var(--muted); font: 500 13px var(--mono); cursor: pointer; transition: color 0.25s, background 0.25s, border-color 0.25s;
}
.chip:hover { color: var(--text); border-color: var(--muted); }
.chip[aria-pressed="true"] { color: var(--ink); background: var(--heat-2); border-color: var(--heat-2); }
.field--toggle { flex-direction: row; align-items: center; gap: 14px; font-size: 15px; color: var(--muted); }
.toggle { position: relative; width: 44px; height: 24px; border-radius: 999px; border: 1px solid var(--line-2); background: var(--ink-3); cursor: pointer; transition: background 0.3s, border-color 0.3s; }
.toggle i { position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: var(--muted); transition: transform 0.35s var(--ease), background 0.3s; }
.toggle[aria-pressed="true"] { background: rgba(255, 90, 31, 0.2); border-color: var(--heat); }
.toggle[aria-pressed="true"] i { transform: translateX(20px); background: var(--heat); }
.form__status { grid-column: 1 / -1; min-height: 1.4em; font-size: 12.5px; color: var(--muted); }
.form__status[data-state="error"] { color: #ff8a6a; }
.form__status[data-state="ok"] { color: var(--heat-2); }

/* footer */
.footer { padding: 0 var(--gutter) 40px; border-top: 1px solid var(--line); overflow: hidden; }
.footer__word {
  font-weight: 600; font-size: 21.5vw; line-height: 0.78; letter-spacing: -0.065em;
  margin: 7vw 0 4vw -0.04em; color: var(--text); user-select: none; white-space: nowrap;
}
.footer__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding-top: 28px; border-top: 1px solid var(--line-2); font-size: 14px; color: #c3bfb7; }
.footer__grid span { display: block; font-size: 11.5px; color: var(--dim); margin-bottom: 6px; }
.footer__grid a:hover { color: var(--heat-2); }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1100px) {
  .grades { grid-template-columns: repeat(2, 1fr); }
  .grade:nth-child(2) { border-right: 0; }
  .grade:nth-child(3) { padding-left: 0; }
  .grade:nth-child(n+3) { border-top: 1px solid var(--line); }
  .principle { grid-template-columns: 1fr; gap: 14px; }
  .principle small { padding: 0; max-width: 480px; }
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .nav__links, .clock { display: none; }
  .hero { padding-top: 104px; }
  .hero__shade { background: linear-gradient(180deg, rgba(5, 7, 10, 0.92) 0%, rgba(5, 7, 10, 0.82) 48%, rgba(5, 7, 10, 0.2) 75%, var(--ink) 100%); }
  .scale { display: none; }
  .hero__meta span:last-child { display: none; }
  .hero__strip { grid-template-columns: repeat(2, 1fr); margin-top: 48px; }
  .strip-item { padding: 16px var(--gutter); border-bottom: 1px solid var(--line); }
  .strip-item:nth-child(2) { border-right: 0; }
  .service { grid-template-columns: 1fr; gap: 16px; padding: 36px 0; }
  .company, .quote { grid-template-columns: 1fr; }
  .stem__rail { top: 0; bottom: 0; left: 7px; right: auto; width: 1px; height: auto; }
  .stem__rail i { background: linear-gradient(180deg, #5c1a8c, #bf266e, #ff5a1f, #ffb347); transform-origin: top; transform: scaleY(var(--p, 0)); }
  .stem__steps { grid-template-columns: 1fr; gap: 36px; }
  .stem__steps li { padding: 0 0 0 40px; }
}
@media (max-width: 560px) {
  .brand__sub { display: none; }
  .grades { grid-template-columns: 1fr; }
  .grade, .grade + .grade, .grade:nth-child(3) { padding: 28px 0; min-height: 0; border-right: 0; border-top: 1px solid var(--line); }
  .grade h3 { margin-top: 28px; }
  .form, .form__more { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .js .intro { opacity: 1; transform: none; }
}

/* ---------- GRAPHICS ---------- */
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* hero: bunkering operation drawn on the thermal sea */
.thermal {
  position: absolute; left: var(--op-x, 74%); top: var(--op-y, 50%); width: clamp(340px, 40vw, 720px);
  transform: translate(-58%, -64%); pointer-events: none; margin: 0;
}
.thermal__art { width: 100%; height: auto; overflow: visible; display: block; }
.js .thermal { opacity: 0; }
.js .is-ready .thermal { opacity: 1; transition: opacity 1.6s var(--ease) 1.6s; }
.thermal__flow { stroke-dasharray: 2 12; animation: flow 1.4s linear infinite; }
@keyframes flow { to { stroke-dashoffset: 14; } }
.thermal__reticle { animation: lock 2.4s var(--ease) 2.2s both; transform-origin: 374px 135px; }
@keyframes lock { from { opacity: 0; transform: scale(1.5); } to { opacity: 1; transform: none; } }

.legend {
  position: absolute; right: calc(var(--gutter) + 40px); bottom: 150px; max-width: 300px;
  padding: 14px 16px; border-left: 2px solid var(--heat-2); background: rgba(5, 7, 10, 0.62); backdrop-filter: blur(6px);
  font-size: 13px; color: #c3bfb7; line-height: 1.5;
}
.legend__title { font-size: 11px; color: var(--heat-2); margin-bottom: 6px; }
.legend__short { display: none; }
.hubs__list { display: none; }

/* icons */
.icon { width: 28px; height: 28px; fill: none; stroke: var(--heat-2); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.service.is-iconed h3 { display: flex; align-items: flex-start; gap: 18px; }
.service.is-iconed h3 .icon { width: 34px; height: 34px; margin-top: 0.12em; }
.icon--stem { display: block; width: 26px; height: 26px; margin-bottom: 14px; stroke: var(--muted); transition: stroke 0.5s; }
.stem__steps li.is-lit .icon--stem { stroke: var(--heat-2); }

/* sulphur chart: bars, reference lines and axis share one grid */
.sulphur { margin: clamp(64px, 8vw, 112px) 0 0; }
.sulphur figcaption h3 { font-weight: 400; font-size: 22px; letter-spacing: -0.01em; }
.sulphur figcaption p { margin-top: 6px; color: var(--muted); font-size: 14.5px; }
.sulphur__plot { position: relative; margin-top: 64px; }
.sulphur, .sulphur__plot { --cols: 110px minmax(0, 1fr) 72px 150px; }
.sulphur__grid, .sulphur__table tr { display: grid; grid-template-columns: var(--cols); }
.sulphur__table { display: block; width: 100%; }
.sulphur__table tbody { display: block; }
.sulphur__table th, .sulphur__table td { display: flex; align-items: center; padding: 9px 0; font-weight: 400; text-align: left; }
.sulphur__table tbody th { font-size: 13px; color: var(--text); }
.sulphur__table td:last-child { font-size: 12px; color: var(--dim); }
.sulphur__table td b { padding-left: 12px; font-weight: 500; font-size: 13px; color: var(--text); }
.sulphur__lane { position: relative; grid-column: 2; }
.sulphur__table .bar { display: block; height: 22px; width: calc(var(--v) / 3.5 * 100%); min-width: 3px; background: var(--heat-2); border-radius: 0 4px 4px 0; transition: opacity 0.3s; }
.sulphur__table tbody:hover tr:not(:hover) .bar { opacity: 0.35; }
.sulphur__refs { position: absolute; inset: -40px 0 0 0; pointer-events: none; z-index: 1; }
.sulphur__ref { position: absolute; top: 0; bottom: 0; left: calc(var(--x) / 3.5 * 100%); border-left: 1px dashed var(--muted); }
.sulphur__ref span { position: absolute; left: 8px; white-space: nowrap; font-size: 11px; color: var(--muted); }
.sulphur__ref--global span { top: 20px; }
.sulphur__ref--eca span { top: 0; }
.sulphur__axis { border-top: 1px solid var(--line-2); font-size: 11px; color: var(--dim); }
.sulphur__axis .sulphur__lane { height: 30px; }
.sulphur__axis span { position: absolute; top: 10px; left: calc(var(--k) / 3.5 * 100%); transform: translateX(-50%); }
.sulphur__axis span:first-child { transform: none; }
.sulphur__axis span:last-child { transform: translateX(-100%); }

/* hub map */
.hubs { margin: clamp(64px, 8vw, 112px) 0 0; }
.hubs__map { position: relative; aspect-ratio: 360 / 125; }
.hubs__dots, .hubs__overlay { position: absolute; inset: 0; width: 100%; height: 100%; }
.hubs__overlay { overflow: visible; }
.hubs figcaption { margin-top: 18px; font-size: 12px; color: var(--dim); }
.hub-route { fill: none; stroke: var(--heat-2); stroke-width: 0.45; stroke-opacity: 0.55; stroke-dasharray: 1.2 1.6; animation: route 6s linear infinite; }
@keyframes route { to { stroke-dashoffset: -28; } }
.hub-dot { fill: var(--text); }
.hub-home { fill: var(--heat-2); }
.hub-pulse { fill: none; stroke: var(--heat-2); stroke-width: 0.5; transform-box: fill-box; transform-origin: center; animation: ping 2.6s var(--ease) infinite; }
@keyframes ping { from { opacity: 0.9; transform: scale(0.4); } to { opacity: 0; transform: scale(2.6); } }
.hub-label { font-family: var(--mono); font-size: 3.4px; fill: var(--muted); paint-order: stroke; stroke: var(--ink); stroke-width: 1px; stroke-linejoin: round; }
.hub-label--home { fill: var(--heat-2); font-size: 4px; }
.hub:hover .hub-label { fill: var(--text); }

@media (max-width: 1100px) and (min-width: 861px) {
  .legend { display: none; }
}
@media (max-width: 860px) {
  .hero__content { order: 1; }
  .thermal { order: 2; position: relative; left: auto; top: auto; transform: none; width: auto; margin: 36px var(--gutter) 0; }
  .thermal__callouts { display: none; }
  .legend { order: 3; position: relative; right: auto; bottom: auto; max-width: none; margin: 14px var(--gutter) 0; padding: 8px 12px; font-size: 12.5px; }
  .legend__title, .legend__long { display: none; }
  .legend__short { display: block; }
  .hero__strip { order: 4; }
  .sulphur, .sulphur__plot { --cols: 76px minmax(0, 1fr) 64px 0px; }
  .sulphur__table td:last-child { display: none; }
  .sulphur__ref span { font-size: 10px; }
  .sulphur__axis .tick-3 { display: none; }
  .hubs__map { margin: 0 calc(var(--gutter) * -1); }
}
@media (max-width: 560px) {
  .hub .hub-label { display: none; }
  .hub-label--home { font-size: 11px; }
  .hubs__list { display: flex; flex-wrap: wrap; gap: 8px 18px; list-style: none; margin-top: 20px; font-size: 12.5px; color: var(--muted); }
  .hubs__list li::before { content: ""; display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: var(--text); margin-right: 8px; vertical-align: middle; }
}

/* ---------- SPECIFICATION ---------- */
.section--spec, .section--docs, .section--desk { border-top: 1px solid var(--line); background: var(--ink-2); }
.spec__tabs { display: flex; flex-wrap: wrap; gap: 0; border-bottom: 1px solid var(--line-2); }
.spec__tab {
  position: relative; padding: 16px 26px; background: none; border: 0; cursor: pointer;
  font-size: 14px; color: var(--muted); transition: color 0.3s;
}
.spec__tab::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--heat-2); transform: scaleX(0); transition: transform 0.5s var(--ease); }
.spec__tab:hover { color: var(--text); }
.spec__tab[aria-selected="true"] { color: var(--text); }
.spec__tab[aria-selected="true"]::after { transform: scaleX(1); }
.spec__category { margin-top: 32px; font-size: 12.5px; color: var(--dim); }
.spec__category b { margin-left: 10px; color: var(--heat-2); font-weight: 500; }
.spec__note { margin-top: 20px; max-width: 640px; font-size: 13.5px; color: var(--dim); }

/* ---------- DOCUMENTS ---------- */
.docs { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(40px, 6vw, 96px); align-items: center; }
.docs__text > p:not(.eyebrow) { margin-top: 24px; max-width: 480px; color: var(--muted); font-size: 17px; font-weight: 300; }
.docs__list { list-style: none; margin-top: 36px; border-top: 1px solid var(--line-2); max-width: 480px; }
.docs__list li { border-bottom: 1px solid var(--line); }
.docs__btn { position: relative; width: 100%; display: flex; gap: 18px; align-items: baseline; padding: 14px 0 14px 22px; background: none; border: 0; cursor: pointer; text-align: left; font: 400 17px var(--sans); color: var(--text); transition: color 0.3s; }
.docs__btn::before { content: ""; position: absolute; left: 0; top: 50%; width: 8px; height: 8px; margin-top: -4px; border-radius: 50%; border: 1px solid var(--line-2); transition: background 0.3s, border-color 0.3s; }
.docs__btn span { font-size: 11.5px; color: var(--dim); }
.docs__btn:hover { color: var(--heat-2); }
.docs__btn[aria-pressed="true"] { color: var(--heat-2); }
.docs__btn[aria-pressed="true"]::before { background: var(--heat-2); border-color: var(--heat-2); }
.docs__caption { margin-top: 18px; font-size: 12px; color: var(--dim); }
.docs__stack { position: relative; height: 460px; perspective: 1400px; }
.doc {
  --i: 0; position: absolute; left: 50%; top: 50%; width: min(300px, 70%); padding: 22px 22px 18px;
  background: #ebe6dc url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='p'><feTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 .05 0'/></filter><rect width='100%' height='100%' filter='url(%23p)'/></svg>"); color: #1d1b18; border-radius: 2px; cursor: pointer;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(0, 0, 0, 0.2);
  transform: translate(-50%, -50%) translate(calc(var(--i) * 14px), calc(var(--i) * -12px)) rotate(calc(var(--i) * 2.5deg - 4deg));
  transition: transform 0.8s var(--ease), box-shadow 0.4s;
}
.doc header { display: flex; flex-direction: column; gap: 4px; padding-bottom: 12px; border-bottom: 2px solid #1d1b18; }
.doc header span { font-size: 10.5px; color: #7a746a; letter-spacing: 0.12em; }
.doc h4 { font-size: 17px; font-weight: 600; letter-spacing: -0.01em; }
.doc dl { margin-top: 10px; font-size: 10.5px; }
.doc dl div { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 7px 0; border-bottom: 1px solid rgba(29, 27, 24, 0.14); }
.doc dt { color: #5c574f; }
.doc dd i { display: block; width: 64px; height: 6px; border-radius: 3px; background: rgba(29, 27, 24, 0.16); }
.doc dl div:nth-child(2n) dd i { width: 44px; }
.doc--bdn { --i: 3; } .doc--survey { --i: 2; } .doc--laytime { --i: 1; } .doc--settle { --i: 0; }
.doc--bdn header { border-color: #c2410c; }
.docs__stack.is-fanned .doc { transform: translate(-50%, -50%) translate(calc((var(--i) - 1.5) * 120px), calc((var(--i) - 1.5) * -14px)) rotate(calc((var(--i) - 1.5) * 6deg)); }
.docs__stack .doc.is-active, .docs__stack.is-fanned .doc.is-active { z-index: 5; transform: translate(-50%, -50%) translateY(-14px) rotate(0deg); box-shadow: 0 50px 90px -24px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(255, 179, 71, 0.6); }

/* ---------- DESK CLOCKS ---------- */
.desk { --name: 200px; --time: 120px; border-top: 1px solid var(--line-2); }
.desk__row { display: grid; grid-template-columns: var(--name) var(--time) minmax(0, 1fr); align-items: center; gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.desk__city { font-size: 19px; }
.desk__city small { display: block; margin-top: 2px; font-family: var(--mono); font-size: 11.5px; color: var(--dim); }
.desk__row.is-home .desk__city { color: var(--heat-2); }
.desk__time { font-family: var(--mono); font-size: 26px; font-weight: 400; letter-spacing: -0.02em; }
.desk__time small { font-size: 12px; color: var(--dim); margin-left: 8px; }
.desk__day { position: relative; height: 28px; border-radius: 2px; overflow: hidden; background: linear-gradient(90deg, #10132a 0%, #10132a 25%, #3a2350 29%, #6b3a3a 33%, #4a3a20 50%, #6b3a3a 67%, #3a2350 71%, #10132a 75%, #10132a 100%); }
.desk__office { position: absolute; top: 0; bottom: 0; background: rgba(255, 179, 71, 0.28); border-left: 1px solid var(--heat-2); border-right: 1px solid var(--heat-2); }
.desk__now { position: absolute; top: -4px; bottom: -4px; width: 2px; margin-left: -1px; background: var(--text); box-shadow: 0 0 12px rgba(255, 255, 255, 0.8); left: calc(var(--h) / 24 * 100%); transition: left 1s linear; }
.desk__axis { position: relative; height: 30px; margin-left: calc(var(--name) + var(--time) + 48px); font-size: 11px; color: var(--dim); order: 99; }
.desk__axis span { position: absolute; top: 10px; transform: translateX(-50%); }
.desk__axis span:nth-child(1) { left: 0; transform: none; } .desk__axis span:nth-child(2) { left: 25%; } .desk__axis span:nth-child(3) { left: 50%; } .desk__axis span:nth-child(4) { left: 75%; } .desk__axis span:nth-child(5) { left: 100%; transform: translateX(-100%); }
.desk__legend { display: flex; flex-wrap: wrap; gap: 8px 28px; margin-top: 22px; font-size: 12px; color: var(--muted); }
.desk__legend i { display: inline-block; width: 14px; height: 10px; margin-right: 8px; vertical-align: -1px; border-radius: 1px; }
.desk__legend .k-office { background: rgba(255, 179, 71, 0.28); border: 1px solid var(--heat-2); }
.desk__legend .k-day { background: #4a3a20; }
.desk__legend .k-night { background: #10132a; border: 1px solid var(--line-2); }
.desk__legend .k-now { width: 2px; background: var(--text); }

@media (max-width: 860px) {
  .docs { grid-template-columns: 1fr; }
  .docs__stack { height: 400px; }
  .doc { width: min(260px, 68%); }
  .docs__stack.is-fanned .doc { transform: translate(-50%, -50%) translate(calc((var(--i) - 1.5) * 20px), calc((var(--i) - 1.5) * -18px)) rotate(calc((var(--i) - 1.5) * 4deg)); }
  .desk { --name: 1fr; --time: auto; }
  .desk__row { grid-template-columns: 1fr auto; gap: 12px 16px; }
  .desk__day { grid-column: 1 / -1; }
  .desk__axis { margin-left: 0; }
  .spec__tab { padding: 14px 16px; }
}
@media (max-width: 560px) {
  .desk__time { font-size: 22px; }
}

/* ---------- SPEC PLOTS ---------- */
.plots { margin-top: 28px; border-top: 1px solid var(--line-2); }
.plot { display: grid; grid-template-columns: 200px minmax(0, 1fr) 150px; gap: 32px; align-items: center; padding: 26px 0 30px; border-bottom: 1px solid var(--line); }
.plot__name { font-size: 18px; }
.plot__name small { display: block; margin-top: 4px; font-family: var(--mono); font-size: 11.5px; color: var(--dim); }
.plot__track { position: relative; height: 10px; border-radius: 5px; background: var(--ink-3); }
.plot__zone { position: absolute; top: 0; bottom: 0; border-radius: 5px; background: linear-gradient(90deg, rgba(255, 179, 71, 0.15), rgba(255, 179, 71, 0.55)); transition: left 0.6s var(--ease), width 0.6s var(--ease); }
.plot__mark { position: absolute; top: -9px; width: 2px; height: 28px; margin-left: -1px; background: var(--heat-2); box-shadow: 0 0 10px rgba(255, 179, 71, 0.7); transition: left 0.6s var(--ease); }
.plot__mark span { position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%); white-space: nowrap; font-family: var(--mono); font-size: 11px; color: var(--heat-2); }
.plot__ticks { position: relative; height: 22px; margin-top: 10px; font-family: var(--mono); font-size: 10.5px; color: var(--dim); }
.plot__ticks span { position: absolute; top: 4px; transform: translateX(-50%); }
.plot__ticks span::before { content: ""; position: absolute; left: 50%; top: -14px; width: 1px; height: 6px; background: var(--line-2); }
.plot__value { text-align: right; font-weight: 300; font-size: clamp(28px, 2.6vw, 40px); letter-spacing: -0.03em; line-height: 1; }
.plot__value small { display: block; margin-top: 6px; font-family: var(--mono); font-size: 11px; color: var(--dim); letter-spacing: 0; }

/* ---------- SUPPLY CHAIN CUTAWAY ---------- */
.services-wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(40px, 5vw, 80px); align-items: start; }
.services-wrap .services { order: 1; }
.services-wrap .cutaway { order: 2; }
.services-wrap .service { grid-template-columns: 1fr; gap: 18px; padding: 48px 0; transition: opacity 0.5s; }
.services-wrap .service:not(.is-current) { opacity: 0.45; }
.cutaway { position: sticky; top: 96px; margin: 0; padding: 24px; border: 1px solid var(--line); background: var(--ink-2); }
.cutaway__art { width: 100%; height: auto; display: block; overflow: visible; }
.cutaway__caption { display: flex; justify-content: space-between; gap: 12px; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); font-size: 11.5px; color: var(--dim); }
.cutaway__caption span:first-child { color: var(--heat-2); }
.cut-g { opacity: 0.16; transition: opacity 0.7s var(--ease); }
.cutaway[data-active="supply"] .g-supply,
.cutaway[data-active="trading"] .g-trading,
.cutaway[data-active="logistics"] .g-logistics,
.cutaway[data-active="partner"] .g-partner { opacity: 1; }
.lvl { transform-box: fill-box; transform-origin: bottom; transition: transform 2.4s var(--ease); }
.lvl--t1 { transform: scaleY(0.7); } .lvl--t2 { transform: scaleY(0.5); }
.lvl--ship { transform: scaleY(0.2); } .lvl--barge { transform: scaleY(0.85); }
.cutaway[data-active="supply"] .lvl--ship { transform: scaleY(0.78); }
.cutaway[data-active="supply"] .lvl--barge { transform: scaleY(0.35); }
.cutaway[data-active="partner"] .lvl--t1 { transform: scaleY(0.9); }
.cutaway[data-active="partner"] .lvl--t2 { transform: scaleY(0.82); }
.hose-pulse { stroke-dasharray: 10 22; animation: pulse-flow 1.2s linear infinite; }
@keyframes pulse-flow { to { stroke-dashoffset: -32; } }
.route { animation: pulse-flow 2s linear infinite; }
.calloffs rect { fill: var(--heat-2); transform-box: fill-box; transform-origin: bottom; animation: calloff 3.2s var(--ease) infinite; }
.calloffs rect:nth-child(2) { animation-delay: 0.4s; } .calloffs rect:nth-child(3) { animation-delay: 0.8s; } .calloffs rect:nth-child(4) { animation-delay: 1.2s; }
@keyframes calloff { 0%, 100% { transform: scaleY(0.5); opacity: 0.6; } 50% { transform: scaleY(1); opacity: 1; } }

/* desk: legend and axis above the rows */
.desk__legend { margin: 0 0 18px; }
.desk__mini { display: none; }

@media (max-width: 860px) {
  .plot { grid-template-columns: 1fr auto; gap: 16px; }
  .plot__scale { grid-column: 1 / -1; grid-row: 2; padding-top: 22px; }
  .services-wrap { grid-template-columns: 1fr; gap: 0; }
  .services-wrap .cutaway { order: 0; top: 64px; z-index: 5; padding: 10px 12px; box-shadow: 0 18px 30px -12px rgba(0, 0, 0, 0.8); }
  .cutaway__art { max-height: 30vh; }
  .cutaway__caption { margin-top: 6px; padding-top: 6px; }
  .desk__axis { display: none; }
  .desk__mini { display: flex; justify-content: space-between; grid-column: 1 / -1; margin-top: -6px; font-family: var(--mono); font-size: 10.5px; color: var(--dim); }
}

.plot__ticks span:first-child { transform: none; }
.plot__ticks span:first-child::before { left: 0; }
.plot__ticks span:last-child { transform: translateX(-100%); }
.plot__ticks span:last-child::before { left: auto; right: 0; }
.plot__mark span { transition: transform 0.6s var(--ease), left 0.6s var(--ease); }
.plot__mark[data-edge="end"] span { left: 100%; transform: translateX(-100%); }
.plot__mark[data-edge="start"] span { left: 0; transform: none; }

/* =========================================================
   POLISH LAYER: interaction states, rhythm, targets, a11y
   ========================================================= */
:root { --t-fast: 160ms; --t-ui: 240ms; --t-data: 600ms; --nav-h: 68px; }

/* skip link */
.skip { position: fixed; left: 16px; top: -60px; z-index: 200; padding: 12px 16px; border-radius: 3px; background: var(--heat-2); color: var(--ink); font-weight: 500; transition: top var(--t-ui) var(--ease); }
.skip:focus-visible { top: 12px; }
main:focus { outline: none; }
section[id] { scroll-margin-top: calc(var(--nav-h) + 8px); }

/* section rhythm and shared body type */
.section { padding-top: clamp(80px, 8vw, 120px); padding-bottom: clamp(80px, 8vw, 120px); }
.section__head { margin-bottom: clamp(40px, 4vw, 64px); }
.section__lead, .docs__text > p:not(.eyebrow), .company__text > p:not(.eyebrow), .quote__intro > p:not(.eyebrow) { font-size: 18px; line-height: 1.55; font-weight: 300; max-width: 55ch; color: var(--muted); }
.service p { font-size: 18px; line-height: 1.55; max-width: 55ch; }

/* nav */
.brand { min-height: 44px; }
.nav__links a { min-height: 44px; display: inline-flex; align-items: center; transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease); }
.nav__links a:hover { background: rgba(236, 231, 223, 0.03); }
.nav__links a:active { background: rgba(255, 179, 71, 0.1); }
.btn--small { min-height: 44px; }
.nav__mobile-cta { display: none; }
.nav__menu { display: none; position: relative; width: 44px; height: 44px; border: 1px solid var(--line-2); border-radius: 3px; background: transparent; cursor: pointer; transition: border-color var(--t-fast), background var(--t-fast); }
.nav__menu:hover { border-color: var(--muted); }
.nav__menu i { position: absolute; left: 13px; right: 13px; height: 1.5px; background: var(--text); transition: transform var(--t-ui) var(--ease), top var(--t-ui) var(--ease); }
.nav__menu i:first-child { top: 17px; } .nav__menu i:last-child { top: 25px; }
.nav.is-open .nav__menu i:first-child { top: 21px; transform: rotate(45deg); }
.nav.is-open .nav__menu i:last-child { top: 21px; transform: rotate(-45deg); }

/* buttons and controls: one press language */
.btn { min-height: 48px; transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease), box-shadow var(--t-ui) var(--ease), transform var(--t-fast) var(--ease), filter var(--t-fast); }
.btn:focus-visible { box-shadow: 0 0 32px rgba(255, 179, 71, 0.35); }
.btn:active, .chip:active, .spec__tab:active, .docs__btn:active, .form__expand:active, .nav__menu:active { filter: brightness(0.9); transform: translateY(1px); }
.btn[disabled] { opacity: 0.55; cursor: wait; }
.chip { min-height: 44px; transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease); }
.chip:focus-visible { color: var(--text); border-color: var(--muted); }
.form__expand { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; }
.form__expand i { width: 8px; height: 8px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: translateY(-2px) rotate(45deg); transition: transform var(--t-ui) var(--ease); }
.form__expand[aria-expanded="true"] i { transform: translateY(2px) rotate(-135deg); }

/* inputs */
.field input { min-height: 48px; transition: border-color var(--t-fast) var(--ease); }
.field input:hover { border-color: rgba(236, 231, 223, 0.45); }
.field input:focus { border-color: var(--heat-2); }
.field input:focus-visible { outline: 2px solid var(--heat-2); outline-offset: 4px; }
.field input[aria-invalid="true"] { border-color: #ff8a6a; }
.field__label .req { font-style: normal; font-family: var(--mono); font-size: 10.5px; color: var(--dim); margin-left: 8px; }
.field__error { min-height: 1.3em; font-family: var(--mono); font-size: 12px; color: #ff8a6a; }
#gradeField.is-invalid .chip { border-color: #ff8a6a; }

/* toggle: 44px hit area, label activates it */
.toggle::before { content: ""; position: absolute; inset: -10px -2px; }
.toggle:hover { border-color: var(--muted); }
.toggle:active i { width: 20px; }
.toggle__label { cursor: pointer; user-select: none; }
.toggle__label small { display: block; font-size: 12.5px; color: var(--dim); }

/* grade cards: hover mirrored on keyboard focus */
.grade h3, .grade__cta { transition: color var(--t-ui) var(--ease); }
.grade:focus-visible h3, .grade:focus-visible .grade__cta { color: var(--heat-2); }
.grade:active { filter: brightness(0.92); }
.grade p { min-height: 4.65em; }
.grade__cta { margin-top: auto; padding-top: 22px; }

/* spec */
.spec__category { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: baseline; }
.spec__category b { margin-left: 0; }
.spec__tab { min-height: 48px; transition: color var(--t-fast) var(--ease); }
.spec__tab:focus-visible { outline-offset: -2px; }
.spec__panel:focus-visible { outline-offset: 8px; }

/* services: current item marked without dimming copy */
.services-wrap .service:not(.is-current) { opacity: 1; }
.services-wrap .service { position: relative; }
.services-wrap .service::after { content: ""; position: absolute; left: -24px; top: 48px; bottom: 48px; width: 2px; background: var(--heat-2); transform: scaleY(0); transform-origin: top; transition: transform var(--t-data) var(--ease); }
.services-wrap .service.is-current::after { transform: scaleY(1); }
.services-wrap .service h3 { transition: color var(--t-ui) var(--ease); }
.services-wrap .service:not(.is-current) h3 { color: #c3bfb7; }
.services-wrap .service:not(.is-current) .icon { stroke: var(--dim); }
.cut-g { opacity: 0.32; }
.cutaway__summary { display: none; }

/* documents */
.doc { cursor: default; }
.docs__btn { min-height: 48px; transition: color var(--t-fast) var(--ease); }
.docs__btn::before { transition: background var(--t-fast), border-color var(--t-fast); }
.docs__caption { margin-top: 16px; max-width: 40ch; }

/* desk */
.desk { padding-top: 20px; }
.desk__legend { margin: 0 0 24px; }

/* footer */
.footer__grid span { display: inline; font-size: inherit; color: inherit; margin: 0; }
.footer__grid > div > span.mono { display: block; font-size: 11.5px; color: var(--dim); margin-bottom: 6px; }
.footer__grid a { display: inline-flex; align-items: center; min-height: 44px; margin-top: -10px; text-underline-offset: 4px; transition: color var(--t-fast); }
.footer__grid a:hover, .footer__grid a:focus-visible { color: var(--heat-2); text-decoration: underline; }

@media (max-width: 1100px) {
  .clock { display: none; }
  .nav { gap: 16px; }
  .nav__links a { padding-left: 10px; padding-right: 10px; }
}
@media (max-width: 860px) {
  :root { --nav-h: 64px; }
  .section { padding-top: 80px; padding-bottom: 80px; }
  .nav__menu { display: inline-block; }
  .nav__right .btn--small { display: none; }
  .nav__links {
    display: flex; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; gap: 0;
    padding: 8px var(--gutter) 20px; background: rgba(9, 12, 17, 0.97); border-bottom: 1px solid var(--line-2);
    visibility: hidden; opacity: 0; transform: translateY(-8px); transition: opacity var(--t-ui) var(--ease), transform var(--t-ui) var(--ease), visibility 0s linear var(--t-ui);
  }
  .nav.is-open .nav__links { visibility: visible; opacity: 1; transform: none; transition-delay: 0s; }
  .nav.is-open { background: rgba(9, 12, 17, 0.97); border-color: var(--line-2); }
  .nav__links a { padding: 0; min-height: 52px; font-size: 20px; color: var(--text); border-bottom: 1px solid var(--line); }
  .nav__links a.is-active { color: var(--heat-2); }
  .nav__links a:hover { background: none; }
  .nav__indicator { display: none; }
  .nav__mobile-cta { display: inline-flex; margin-top: 18px; align-self: flex-start; font-size: 15px; border-bottom: 0; color: var(--ink); }
  .services-wrap .cutaway { position: relative; top: auto; z-index: auto; box-shadow: none; margin-bottom: 8px; }
  .cutaway__art { max-height: none; }
  .cutaway__art text { display: none; }
  .cutaway__summary { display: block; margin-top: 10px; font-size: 13px; line-height: 1.5; color: #c3bfb7; }
  .services-wrap .service::after { left: -12px; }
  .service.is-iconed h3 { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: 12px; line-height: 1.12; }
  .service.is-iconed h3 .icon { width: 24px; height: 24px; margin-top: 0.15em; }
  .grade p { min-height: 0; }
  .spec__tabs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .spec__tab { padding: 14px 4px; font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* nav: mobile CTA and opaque open menu */
.nav__links .nav__mobile-cta { display: none; }
.cut-g { opacity: 0.6; }
@media (max-width: 860px) {
  .nav.is-open, .nav.is-open .nav__links { background: var(--ink-2); backdrop-filter: none; -webkit-backdrop-filter: none; }
  .nav__links .nav__mobile-cta {
    display: inline-flex; align-self: flex-start; margin-top: 20px; min-height: 48px; padding: 0 24px;
    font-size: 15px; color: var(--ink); background: var(--heat-2); border: 0; border-radius: 3px;
  }
  .nav__links .nav__mobile-cta:hover { background: #ffd08a; color: var(--ink); }
}