/* DOR-SEA division pages (/sea, /sea/reference). Every rule is scoped to .sea */
@property --sea-angle { syntax: '<angle>'; initial-value: 0deg; inherits: true; }

.sea {
  --sea-surface: #0F1D2A;          /* DOR Midnight */
  --sea-raised: rgba(255,255,255,.035);
  --sea-raised-solid: #101B24;
  --sea-line: rgba(233,229,221,.10);
  --sea-line-2: rgba(233,229,221,.18);
  --sea-text: #F2F2F2;
  --sea-text-2: #B8BFC4;
  --sea-text-3: #85909A;
  --sea-bone: #E9E5DD;
  --sea-accent: #2E6E93;           /* DOR Cerulean, the only interactive accent */
  --sea-accent-text: #5B9BC0;
  --sea-glow-core: #CFE6F3;
  --sea-sans: var(--site-font-sans, "DOR Sans", system-ui, -apple-system, "Segoe UI", sans-serif);
  --sea-serif: var(--site-font-serif, "DOR Serif", Georgia, "Times New Roman", serif);
  --sea-head-h: 72px;
  --sea-wrap: 1400px;          /* matches the site header, footer, and inner pages: 1400 max, 40 side padding */
  color: var(--sea-text);
  background: var(--sea-surface);
  font-family: var(--sea-serif);
  -webkit-font-smoothing: antialiased;
}
.sea *, .sea *::before, .sea *::after { box-sizing: border-box; }
.sea h1, .sea h2, .sea h3, .sea h4, .sea .sea-sans, .sea button, .sea input, .sea nav, .sea .sea-eyebrow, .sea .sea-code,
.sea .sea-btn, .sea .sea-stat, .sea .sea-chip, .sea summary, .sea .sea-gauge, .sea .sea-head,
.sea .sea-signal, .sea .sea-signal *, .sea .sea-descend, .sea .sea-film-ctl, .sea .sea-display, .sea .sea-ref-count, .sea .sea-tag, .sea .sea-copy,
.sea .sea-hero-inner, .sea .sea-hero-inner p, .sea .sea-ref-hero p, .sea .sea-src, .sea .sea-mandate-close, .sea .sea-display-note, .sea .sea-instruments-label, .sea .sea-ans-label, .sea .sea-desk, .sea .sea-status, .sea .sea-credit p { font-family: var(--sea-sans); }
:where(.sea) p, :where(.sea) li, :where(.sea) dd { font-family: var(--sea-serif); }
.sea a { color: inherit; }
.sea [hidden] { display: none !important; }
.sea .sea-vh { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.sea [id] { scroll-margin-top: calc(var(--sea-head-h) + 24px); }
.sea-wrap { width: 100%; max-width: var(--sea-wrap); margin: 0 auto; padding: 0 40px; }
@media (max-width: 768px) { .sea-wrap { padding: 0 24px; } }
@media (max-width: 480px) { .sea-wrap { padding: 0 20px; } }

/* ---------- Slim division header ---------- */
.sea-head { position: fixed; top: 0; left: 0; right: 0; z-index: 50; height: var(--sea-head-h);
  transition: background-color .35s ease, border-color .35s ease, backdrop-filter .35s ease; border-bottom: 1px solid transparent; }
.sea-head.is-solid { background: rgba(8,15,21,.82); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom-color: var(--sea-line); }
.sea-head .sea-wrap { height: 100%; display: flex; align-items: center; gap: 20px; }
.sea-brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; flex: 0 0 auto; }
.sea-brand img { display: block; height: 35px; width: auto; }
@media (max-width: 520px) { .sea-brand img { height: 30px; } }
.sea-brand-text { font-weight: 700; letter-spacing: .02em; font-size: 15px; color: var(--sea-bone); }
.sea-readout { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--sea-text-3); white-space: nowrap;
  font-variant-numeric: tabular-nums; min-width: 5em; }
.sea-readout b { color: var(--sea-accent-text); font-weight: 600; }
.sea-nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.sea-nav a { text-decoration: none; color: var(--sea-text-2); font-size: 14px; padding: 8px 10px; border-radius: 4px; }
.sea-nav a:hover, .sea-nav a[aria-current="true"] { color: var(--sea-text); }
.sea-nav a:focus-visible, .sea-btn:focus-visible, .sea-menu-btn:focus-visible { outline: 2px solid var(--sea-accent-text); outline-offset: 2px; }
.sea-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; text-decoration: none; border-radius: 6px;
  font-size: 14px; font-weight: 600; letter-spacing: .01em; padding: 11px 18px; border: 1px solid var(--sea-accent); background: var(--sea-accent);
  color: #fff; cursor: pointer; transition: background-color .2s ease, border-color .2s ease; white-space: nowrap; }
.sea-btn:hover { background: #357DA6; border-color: #357DA6; }
.sea-btn--ghost { background: transparent; border-color: var(--sea-line-2); color: var(--sea-text); }
.sea-btn--ghost:hover { background: rgba(255,255,255,.06); border-color: var(--sea-text-3); }
.sea-head .sea-btn { padding: 8px 14px; margin-left: 8px; }
.sea-menu-btn { display: none; margin-left: auto; background: transparent; border: 1px solid var(--sea-line-2); color: var(--sea-text);
  border-radius: 6px; padding: 7px 12px; font-size: 13px; cursor: pointer; }
@media (max-width: 1020px) {
  .sea-nav { display: none; position: absolute; top: var(--sea-head-h); left: 0; right: 0; flex-direction: column; align-items: stretch;
    background: rgba(8,15,21,.97); border-bottom: 1px solid var(--sea-line); padding: 8px 16px 16px; gap: 0; }
  .sea-nav.is-open { display: flex; }
  .sea-nav a { padding: 14px 4px; font-size: 16px; border-bottom: 1px solid var(--sea-line); border-radius: 0; }
  .sea-head .sea-nav .sea-btn { margin: 14px 0 0; padding: 13px 18px; border-bottom: 0; border-radius: 6px; }
  .sea-menu-btn { display: inline-block; }
  .sea-head:has(.sea-nav.is-open) { background: rgba(8,15,21,.97); }
}
@media (max-width: 520px) { .sea-readout { display: none; } }

/* ---------- Hero film ---------- */
.sea-hero { position: relative; min-height: 100svh; min-height: 100vh; display: flex; align-items: flex-end; overflow: hidden; isolation: isolate;
  background: #05090C; }
@supports (min-height: 100svh) { .sea-hero { min-height: 100svh; } }
.sea-hero-media { position: absolute; inset: 0; z-index: -2; }
.sea-hero-media video, .sea-hero-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.sea-hero-media img { position: absolute; inset: 0; transition: opacity .8s ease; }
.sea-hero.is-playing .sea-hero-media img { opacity: 0; }
.sea-hero::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(5,9,12,.55) 0%, rgba(5,9,12,0) 22%, rgba(5,9,12,0) 42%, rgba(5,9,12,.62) 74%, rgba(15,29,42,1) 100%),
    linear-gradient(90deg, rgba(5,9,12,.62) 0%, rgba(5,9,12,.18) 55%, rgba(5,9,12,0) 100%); }
.sea-hero-inner { text-shadow: 0 1px 18px rgba(5,9,12,.45); width: 100%; padding-top: calc(var(--sea-head-h) + 40px); padding-bottom: clamp(56px, 9vh, 104px); }
.sea-hero .sea-eyebrow { color: #8CC0DD; }
.sea-hero-mark { display: block; height: clamp(46px, 4.6vw, 66px); width: auto; margin: 0 0 22px; }
.sea-eyebrow { font-size: 12px; letter-spacing: .18em; text-transform: uppercase; color: var(--sea-accent-text); margin: 0 0 18px; font-weight: 600; }
.sea-hero h1 { font-size: clamp(30px, 4.3vw, 64px); line-height: 1.08; letter-spacing: -.012em; font-weight: 700; margin: 0 0 20px; max-width: 21em; }
.sea-hero-sub { font-size: clamp(18px, 1.7vw, 22px); line-height: 1.45; color: var(--sea-text); margin: 0 0 30px; max-width: 34em; opacity: .92; }
.sea-hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 0 0 40px; }

/* Signal line: the rotating word that tracks the film */
.sea-signal { display: grid; grid-template-columns: auto 1fr; align-items: baseline; column-gap: 16px; row-gap: 4px; min-height: 2.6em;
  border-top: 1px solid var(--sea-line-2); padding-top: 18px; max-width: 980px; }
.sea-signal-label { font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--sea-text-3); white-space: nowrap; font-weight: 600; }
.sea-signal-word { font-size: clamp(22px, 2.6vw, 34px); font-weight: 700; letter-spacing: -.005em; line-height: 1.15; position: relative; min-width: 0; }
.sea-signal-code { grid-column: 2; font-size: 11px; letter-spacing: .14em; color: var(--sea-accent-text); text-transform: uppercase; opacity: 0;
  transition: opacity .4s ease .9s; min-height: 1.2em; text-decoration: none; }
.sea-signal.is-proven .sea-signal-code { opacity: 1; }
.sea-signal-word.is-leaving { animation: sea-leave .38s cubic-bezier(.4,0,.2,1) forwards; }
@keyframes sea-leave { to { opacity: 0; transform: translateY(-.35em); filter: blur(4px); } }
@media (max-width: 640px) {
  .sea-signal { grid-template-columns: 1fr; }
  .sea-signal-code { grid-column: 1; }
}

.sea-film-ctl { position: absolute; right: 24px; bottom: 24px; z-index: 2; display: inline-flex; align-items: center; gap: 8px;
  background: rgba(5,9,12,.45); color: var(--sea-text-2); border: 1px solid var(--sea-line-2); border-radius: 999px; padding: 7px 13px 7px 10px;
  font-size: 12px; letter-spacing: .06em; cursor: pointer; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.sea-film-ctl:hover { color: var(--sea-text); }
.sea-film-ctl:focus-visible { outline: 2px solid var(--sea-accent-text); outline-offset: 2px; }
.sea-film-ctl i { width: 10px; height: 10px; display: inline-block; position: relative; }
.sea-film-ctl i::before, .sea-film-ctl i::after { content: ""; position: absolute; top: 0; bottom: 0; width: 3px; background: currentColor; border-radius: 1px; }
.sea-film-ctl i::before { left: 1px; } .sea-film-ctl i::after { right: 1px; }
.sea-film-ctl.is-paused i::before { left: 1px; width: 0; height: 0; background: none; border-style: solid; border-width: 5px 0 5px 9px;
  border-color: transparent transparent transparent currentColor; border-radius: 0; }
.sea-film-ctl.is-paused i::after { display: none; }
.sea-descend { position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%); z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--sea-text-3); font-size: 10px; letter-spacing: .24em; text-transform: uppercase; text-decoration: none; }
.sea-descend span { width: 1px; height: 30px; background: linear-gradient(var(--sea-accent-text), transparent); animation: sea-drop 2.4s ease-in-out infinite; transform-origin: top; }
@keyframes sea-drop { 0% { transform: scaleY(0); opacity: 1; } 60% { transform: scaleY(1); opacity: 1; } 100% { transform: scaleY(1); opacity: 0; } }
@media (max-width: 640px) { .sea-hero::after { background: linear-gradient(180deg, rgba(5,9,12,.6) 0%, rgba(5,9,12,.35) 30%, rgba(5,9,12,.55) 60%, rgba(15,29,42,1) 100%); } .sea-descend { display: none; } .sea-film-ctl { right: 16px; bottom: 16px; } .sea-hero-cta .sea-btn { flex: 1 1 auto; } }

/* ---------- The scan: outline text proven solid by a cerulean beam (DOR verification motif) ---------- */
.sea-scan { position: relative; display: block; }
.sea-signal-word.sea-scan { display: inline-block; }
.sea-scan-solid { display: none; }
.sea-js .sea-scan-ghost { color: transparent; -webkit-text-stroke: 1px rgba(233,229,221,.5); }
.sea-js .sea-scan-solid { display: block; position: absolute; inset: 0; color: var(--sea-text); clip-path: inset(0 100% 0 0); pointer-events: none; }
.sea-scan-beam { position: absolute; top: -6%; bottom: -6%; left: 0; width: 2px; background: var(--sea-glow-core); opacity: 0; pointer-events: none;
  box-shadow: 0 0 10px 2px rgba(91,155,192,.85), 0 0 26px 6px rgba(46,110,147,.55); }
.sea-js .sea-scan.is-scanning .sea-scan-solid { animation: sea-reveal var(--sea-scan-dur, 1.2s) cubic-bezier(.55,.06,.3,1) forwards; }
.sea-scan.is-scanning .sea-scan-beam { animation: sea-beam var(--sea-scan-dur, 1.2s) cubic-bezier(.55,.06,.3,1) forwards; }
.sea-js .sea-scan.is-proven .sea-scan-solid { clip-path: inset(0 0 0 0); animation: none; }
.sea-js .sea-scan.is-proven .sea-scan-ghost { -webkit-text-stroke-color: transparent; }
@keyframes sea-reveal { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); } }
@keyframes sea-beam { 0% { left: 0; opacity: 0; } 8% { opacity: 1; } 88% { opacity: 1; } 100% { left: 100%; opacity: 0; } }
.sea-hero h1.sea-scan { --sea-scan-dur: 1.7s; }

/* ---------- Depth gauge (wide screens) ---------- */
.sea-gauge { position: fixed; right: 26px; top: 50%; transform: translateY(-50%); height: 54vh; width: 120px; z-index: 40; pointer-events: none;
  display: none; opacity: 0; transition: opacity .5s ease; }
.sea-gauge.is-on { opacity: 1; }
@media (min-width: 1360px) { .sea-gauge { display: block; } }
.sea-gauge-track { position: absolute; right: 0; top: 18px; bottom: 18px; width: 1px; background: var(--sea-line-2); }
.sea-gauge-end { position: absolute; right: 0; font-size: 10px; letter-spacing: .2em; text-transform: uppercase; color: var(--sea-text-3); }
.sea-gauge-end.top { top: 0; } .sea-gauge-end.bottom { bottom: 0; }
.sea-gauge-tick { position: absolute; right: 0; width: 7px; height: 1px; background: var(--sea-text-3); }
.sea-gauge-mark { position: absolute; right: -3px; width: 7px; height: 7px; border-radius: 50%; background: var(--sea-accent-text);
  box-shadow: 0 0 10px rgba(91,155,192,.9); transform: translateY(-50%); }
.sea-gauge-val { position: absolute; right: 16px; transform: translateY(-50%); text-align: right; white-space: nowrap; }
.sea-gauge-val b { display: block; font-size: 13px; font-weight: 600; color: var(--sea-text); font-variant-numeric: tabular-nums; }
.sea-gauge-val span { display: block; font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--sea-text-3); margin-top: 2px; }

/* ---------- Sections ---------- */
.sea-sec { padding: clamp(72px, 10vw, 128px) 0; position: relative; }
.sea-sec + .sea-sec { border-top: 1px solid var(--sea-line); }
.sea-sec-head { margin: 0 0 clamp(32px, 4vw, 56px); }
@media (min-width: 1024px) {
  .sea-sec-head { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); column-gap: clamp(48px, 6vw, 112px); align-items: end; }
  .sea-sec-head > .sea-code { grid-column: 1 / -1; }
  .sea-sec-head > h2 { grid-column: 1; margin-bottom: 0; }
  .sea-sec-head > .sea-lede { grid-column: 2; padding-bottom: 6px; }
}
.sea-code { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--sea-accent-text); margin: 0 0 14px; font-weight: 600; }
.sea-code .sea-depth { color: var(--sea-text-3); margin-left: 10px; }
.sea h2 { font-size: clamp(30px, 4vw, 48px); line-height: 1.08; letter-spacing: -.01em; margin: 0 0 18px; font-weight: 700; }
.sea-lede { font-size: clamp(18px, 1.6vw, 21px); line-height: 1.6; color: var(--sea-text-2); margin: 0; }
:where(.sea-sec) p { line-height: 1.65; }

/* 01 facts */
.sea-facts { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 32px; }
.sea-fact { border-top: 1px solid var(--sea-line-2); padding: 26px 0 34px; display: flex; flex-direction: column; }
.sea-fact .sea-stat { font-size: clamp(36px, 4.4vw, 58px); line-height: 1; font-weight: 700; letter-spacing: -.02em; color: var(--sea-bone); margin: 0 0 14px;
  font-variant-numeric: tabular-nums; }
.sea-fact p { color: var(--sea-text-2); font-size: 16.5px; margin: 0 0 14px; }
.sea-src { margin-top: auto; font-family: var(--sea-sans); font-size: 12px; letter-spacing: .04em; color: var(--sea-text-3); text-decoration: none; }
.sea-src:hover { color: var(--sea-accent-text); text-decoration: underline; }
@media (max-width: 1024px) { .sea-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .sea-facts { grid-template-columns: 1fr; } }

/* 02 mandate */
.sea-mandate { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.sea-mandate-copy p { font-size: 18.5px; color: var(--sea-text-2); margin: 0 0 20px; }
.sea-mandate-copy p strong { color: var(--sea-text); font-weight: 400; }
.sea-mandate-copy .sea-mandate-close { color: var(--sea-text); font-weight: 600; font-size: 19px; margin-top: 28px; }
.sea-display { font-size: clamp(44px, 5.4vw, 78px); line-height: .98; letter-spacing: -.025em; font-weight: 700; margin: 0; }
.sea-display .sea-scan-solid { color: var(--sea-bone); }
.sea-display-note { font-family: var(--sea-sans); font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--sea-text-3); margin: 22px 0 0; }
@media (max-width: 900px) { .sea-mandate { grid-template-columns: 1fr; } .sea-mandate-art { order: -1; } }

/* Glow cards (03, 04, 05, reference) */
.sea-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; isolation: isolate; }
.sea-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 1024px) { .sea-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .sea-grid, .sea-grid--2 { grid-template-columns: 1fr; } }
.sea-card { position: relative; background: var(--sea-raised-solid); border: 1px solid var(--sea-line); border-radius: 12px; padding: 24px 24px 20px;
  display: flex; flex-direction: column; min-height: 240px; }
.sea-card::before, .sea-card::after { content: ""; position: absolute; inset: -1px; border-radius: inherit; pointer-events: none; opacity: 0;
  background: conic-gradient(from var(--sea-angle), transparent 0deg, var(--sea-accent-text) 24deg, var(--sea-glow-core) 40deg,
    var(--sea-accent-text) 56deg, transparent 84deg, transparent 360deg);
  transition: opacity .28s ease, --sea-angle .18s linear; }
.sea-card::before { padding: 1.5px; z-index: 1;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor;
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); mask-composite: exclude; }
.sea-card::after { z-index: -1; filter: blur(12px); inset: -2px; }
.sea-card.is-lit::before { opacity: 1; }
.sea-card.is-lit::after { opacity: .7; }
.sea-card.is-lapping::before, .sea-card.is-lapping::after { animation: sea-lap 1.4s cubic-bezier(.45,.05,.35,1) 1; transition: opacity .28s ease; }
@keyframes sea-lap { from { --sea-angle: var(--sea-start, 0deg); } to { --sea-angle: calc(var(--sea-start, 0deg) + 360deg); } }
.sea-card.is-target { border-color: color-mix(in srgb, var(--sea-accent-text) 60%, transparent); }
.sea-card .sea-code { margin-bottom: 14px; }
.sea-card h3, .sea-card h4 { font-size: 20px; line-height: 1.3; margin: 0 0 12px; font-weight: 600; }
.sea-card p { color: var(--sea-text-2); font-size: 16.5px; margin: 0 0 18px; }
.sea-card-foot { margin-top: auto; display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; padding-top: 4px; }
.sea-tag { font-family: var(--sea-sans); font-size: 11.5px; letter-spacing: .06em; color: var(--sea-text-3); text-decoration: none; border: 1px solid var(--sea-line);
  border-radius: 999px; padding: 4px 10px; transition: color .2s ease, border-color .2s ease; }
a.sea-tag:hover, a.sea-tag:focus-visible { color: var(--sea-text); border-color: var(--sea-accent-text); outline: none; }

/* 06 how */
.sea-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; counter-reset: step; }
.sea-step { padding: 28px 28px 8px 0; border-top: 1px solid var(--sea-line-2); position: relative; }
.sea-step::before { counter-increment: step; content: "0" counter(step); display: block; font-family: var(--sea-sans); font-size: 12px; letter-spacing: .16em;
  color: var(--sea-accent-text); margin-bottom: 16px; font-weight: 600; }
.sea-step h3 { font-size: 20px; margin: 0 0 10px; font-weight: 600; }
.sea-step p { color: var(--sea-text-2); font-size: 16.5px; margin: 0; }
.sea-instruments { margin: 48px 0 0; padding: 28px 30px; border: 1px solid var(--sea-line); border-radius: 12px; }
.sea-instruments dl { margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 48px; }
.sea-instruments dl > div { display: grid; gap: 6px; }
.sea-instruments dt { font-family: var(--sea-sans); font-weight: 700; color: var(--sea-text); font-size: 15px; white-space: nowrap; }
.sea-instruments dd { margin: 0; color: var(--sea-text-2); font-size: 16.5px; line-height: 1.55; }
.sea-instruments-label {  font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--sea-text-3); margin: 0 0 14px; }
@media (max-width: 1024px) { .sea-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 28px; } .sea-step { padding-right: 0; padding-bottom: 32px; } }
@media (max-width: 640px) { .sea-steps { grid-template-columns: 1fr; } .sea-instruments dl { grid-template-columns: 1fr; } }

/* 07 questions */
.sea-qa { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(32px, 6vw, 112px); align-items: start; }
.sea-qa-head { position: sticky; top: calc(var(--sea-head-h) + 32px); }
.sea-qa-head h2 { margin-bottom: 16px; }
@media (max-width: 1023px) { .sea-qa { grid-template-columns: 1fr; } .sea-qa-head { position: static; } }
.sea-faq { border-top: 1px solid var(--sea-line-2); }
.sea-faq details { border-bottom: 1px solid var(--sea-line-2); }
.sea-faq summary { list-style: none; cursor: pointer; padding: 24px 48px 24px 0; font-size: clamp(18px, 1.8vw, 21px); font-weight: 600; line-height: 1.35; position: relative; }
.sea-faq summary::-webkit-details-marker { display: none; }
.sea-faq summary::after { content: ""; position: absolute; right: 6px; top: 50%; width: 12px; height: 12px; margin-top: -8px; border-right: 1.5px solid var(--sea-accent-text);
  border-bottom: 1.5px solid var(--sea-accent-text); transform: rotate(45deg); transition: transform .25s ease, margin-top .25s ease; }
.sea-faq details[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.sea-faq summary:focus-visible { outline: 2px solid var(--sea-accent-text); outline-offset: 4px; }
.sea-faq details p { color: var(--sea-text-2); font-size: 17px; margin: -6px 0 26px; max-width: 820px; }

/* 08 reference teaser */
.sea-ref-teaser { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.sea-ref-count { font-family: var(--sea-sans); font-size: clamp(72px, 11vw, 150px); font-weight: 700; line-height: .9; letter-spacing: -.04em; color: var(--sea-bone); margin: 0 0 6px; }
.sea-ref-teaser .sea-lede { margin-bottom: 26px; }
.sea-ref-teaser .sea-actions { display: flex; flex-wrap: wrap; gap: 12px; }
@media (max-width: 900px) { .sea-ref-teaser { grid-template-columns: 1fr; } }

/* 09 briefing */
.sea-brief { padding: clamp(96px, 12vw, 168px) 0; }
.sea-brief-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 112px); align-items: end; }
.sea-brief-mark { display: block; height: clamp(52px, 5.4vw, 80px); width: auto; margin: 0 0 32px; }
.sea-brief-act { display: flex; flex-direction: column; align-items: flex-start; gap: 0; padding-bottom: 8px; }
@media (max-width: 900px) { .sea-brief-grid { grid-template-columns: 1fr; align-items: start; } }
.sea-brief h2 { font-size: clamp(38px, 6vw, 88px); margin-bottom: 20px; }
.sea-brief h2 .sea-scan-solid { color: var(--sea-bone); }
.sea-brief .sea-lede { max-width: 640px; margin: 0; }
.sea-brief .sea-desk { font-size: 13px; color: var(--sea-text-3); margin: 18px 0 0; letter-spacing: .02em; max-width: 360px; line-height: 1.55; }
.sea-credit { border-top: 1px solid var(--sea-line); padding: 22px 0 26px; }
.sea-credit p { font-family: var(--sea-sans); font-size: 11.5px; color: var(--sea-text-3); margin: 0; letter-spacing: .02em; line-height: 1.6; }
.sea-credit a { color: var(--sea-text-3); }
.sea-credit a:hover { color: var(--sea-text-2); }

/* ---------- Reference page ---------- */
.sea-ref-hero { padding: calc(var(--sea-head-h) + clamp(56px, 8vw, 104px)) 0 28px; }
.sea-ref-hero h1 { font-size: clamp(34px, 5vw, 66px); line-height: 1.05; letter-spacing: -.015em; margin: 0 0 20px; font-weight: 700; max-width: 19em; }
.sea-ref-hero .sea-lede { max-width: 860px; margin: 0 0 12px; }
.sea-ref-hero p.sea-small { font-size: 16px; color: var(--sea-text-3); max-width: 760px; margin: 0; }
.sea-ref-hero p.sea-small a { color: var(--sea-accent-text); }
.sea-controls { position: sticky; top: var(--sea-head-h); z-index: 20; padding: 14px 0; margin: 12px 0 0;
  background: rgba(10,19,27,.9); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-bottom: 1px solid var(--sea-line); }
.sea-search input { width: 100%; background: rgba(255,255,255,.04); color: var(--sea-text); border: 1px solid var(--sea-line-2); border-radius: 6px;
  padding: 12px 14px; font-size: 16px; }
.sea-search input::placeholder { color: var(--sea-text-3); }
.sea-search input:focus { outline: 2px solid var(--sea-accent-text); outline-offset: 1px; }
.sea-chips { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; margin-top: 12px; }
.sea-chips::-webkit-scrollbar { display: none; }
.sea-chip { flex: 0 0 auto; background: transparent; color: var(--sea-text-2); border: 1px solid var(--sea-line-2); border-radius: 999px; padding: 7px 14px; font-size: 13px; cursor: pointer; }
.sea-chip:hover { color: var(--sea-text); }
.sea-chip[aria-pressed="true"] { color: var(--sea-text); border-color: var(--sea-accent-text); background: rgba(46,110,147,.22); }
.sea-chip:focus-visible { outline: 2px solid var(--sea-accent-text); outline-offset: 2px; }
.sea-chip .sea-n { color: var(--sea-text-3); margin-left: 6px; }
.sea-status { font-size: 13px; color: var(--sea-text-3); margin: 10px 0 0; }
.sea-status:empty { display: none; }
.sea-group { padding: 56px 0 8px; }
.sea-group-head { max-width: 860px; margin-bottom: 24px; }
.sea-group-head h2 { font-size: clamp(26px, 3.2vw, 36px); margin-bottom: 8px; }
.sea-group-head p { color: var(--sea-text-2); margin: 0; font-size: 17px; }
.sea-ans { border-top: 1px solid var(--sea-line); padding-top: 14px; margin-top: -4px; }
.sea-ans-label { display: block; font-family: var(--sea-sans); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--sea-accent-text); margin-bottom: 6px; }
.sea-card .sea-ans p { color: var(--sea-text); }
.sea-copy { margin-left: auto; background: transparent; border: 1px solid transparent; color: var(--sea-text-3); font-size: 12px; letter-spacing: .06em;
  padding: 5px 8px; border-radius: 4px; cursor: pointer; }
.sea-copy:hover, .sea-copy:focus-visible { color: var(--sea-text); border-color: var(--sea-line-2); outline: none; }
.sea-empty { text-align: center; color: var(--sea-text-2); padding: 48px 0; }
.sea-ref-close { border-top: 1px solid var(--sea-line); margin-top: 72px; padding: 64px 0 104px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px 48px; }
.sea-ref-close p { color: var(--sea-text-2); font-size: 19px; max-width: 720px; margin: 0; }
.sea-ref-close .sea-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .sea-js .sea-scan .sea-scan-solid { clip-path: none !important; animation: none !important; }
  .sea-js .sea-scan .sea-scan-ghost { -webkit-text-stroke-color: transparent; }
  .sea-scan-beam, .sea-descend span { display: none; }
  .sea-signal-word.is-leaving { animation: none; opacity: 0; }
  .sea-card::before, .sea-card::after { transition: opacity .2s ease; animation: none !important; background: linear-gradient(var(--sea-accent-text), var(--sea-accent-text)); }
  .sea-card::after { opacity: 0 !important; }
  .sea-head, .sea-gauge { transition: none; }
}

/* DOR-SEA pages only: no underlined links anywhere on the page, including the site footer */
.sea-page a, .sea-page a:hover, .sea-page a:focus, .sea-page a:visited { text-decoration: none !important; }
.sea-page .sea-credit a:hover { color: var(--sea-text-2, #B8BFC4); }
.sea-page .sea-glow { color: inherit; text-shadow: 0 0 10px rgba(91,155,192,.75), 0 0 22px rgba(46,110,147,.45); }

/* Coverage: one section, cards folded until opened */
.sea-cover-tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.sea-cover-tile { display: flex; flex-direction: column; gap: 12px; padding: 26px 26px 22px; border: 1px solid var(--sea-line); border-radius: 12px; background: var(--sea-raised); color: var(--sea-text); transition: border-color .2s ease, background .2s ease; }
.sea-cover-tile:hover, .sea-cover-tile:focus-visible { border-color: var(--sea-accent-text); background: rgba(46,110,147,.08); outline: none; }
.sea-cover-tile .sea-code { margin: 0; }
.sea-cover-tile-title { font-family: var(--sea-sans); font-size: 19px; line-height: 1.35; font-weight: 600; }
.sea-cover-tile-more { margin-top: auto; width: 9px; height: 9px; border-right: 1.5px solid var(--sea-accent-text); border-bottom: 1.5px solid var(--sea-accent-text); transform: rotate(45deg); transition: transform .2s ease; }
.sea-cover-tile:hover .sea-cover-tile-more { transform: translateY(3px) rotate(45deg); }
.sea-fold-btn { appearance: none; display: inline-flex; align-items: center; gap: 12px; margin: 28px 0 0; padding: 13px 20px; border: 1px solid var(--sea-line-2); border-radius: 6px; background: transparent; color: var(--sea-text); font: 600 14px/1 var(--sea-sans); cursor: pointer; transition: border-color .2s ease, background .2s ease; }
.sea-fold-btn:hover, .sea-fold-btn:focus-visible { border-color: var(--sea-accent-text); background: rgba(46,110,147,.1); outline: none; }
.sea-fold-btn i { width: 8px; height: 8px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(-135deg) translate(-2px, -2px); transition: transform .25s ease; }
.sea-fold-btn[aria-expanded="false"] i { transform: rotate(45deg) translate(-2px, -2px); }
.sea-fold { display: grid; grid-template-rows: 1fr; transition: grid-template-rows .5s cubic-bezier(.2,.7,.2,1); }
.sea-fold-inner { overflow: hidden; min-height: 0; }
.sea-cover.is-folded .sea-fold { grid-template-rows: 0fr; }
.sea-cover.no-anim .sea-fold { transition: none; }
.sea-fold-group { padding-top: clamp(56px, 7vw, 96px); }
.sea-fold-group + .sea-fold-group { margin-top: clamp(24px, 3vw, 40px); border-top: 1px solid var(--sea-line); }
.sea-fold-title { font-size: clamp(28px, 3.2vw, 42px); line-height: 1.12; margin: 0; font-weight: 600; letter-spacing: -.01em; }
@media (min-width: 1024px) { .sea-fold-group .sea-sec-head > h3 { grid-column: 1; margin-bottom: 0; } }
@media (max-width: 900px) { .sea-cover-tiles { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { .sea-fold { transition: none; } }
.sea-tag--plain { cursor: default; }