:root {
  --ink: #071722;
  --ink-soft: #0d2835;
  --ocean: #0d4151;
  --teal: #4e9c9c;
  --paper: #efe9dc;
  --paper-dim: #cfc7b8;
  --amber: #e7a33f;
  --line-dark: rgba(7, 23, 34, 0.18);
  --line-light: rgba(239, 233, 220, 0.18);
  --max: 1320px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, "SF Pro Text", "PingFang SC", "Noto Sans SC", sans-serif;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
body::selection { background: var(--amber); color: var(--ink); }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip-link {
  position: fixed; left: 16px; top: -80px; z-index: 100;
  padding: 12px 16px; background: var(--paper); color: var(--ink);
}
.skip-link:focus { top: 16px; }

.site-header {
  position: fixed; inset: 0 0 auto; z-index: 20;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  min-height: 76px; padding: 0 clamp(20px, 4vw, 72px);
  color: var(--paper); border-bottom: 1px solid rgba(239, 233, 220, .14);
  transition: background .35s ease, min-height .35s ease, color .35s ease;
}
.site-header.is-scrolled { min-height: 62px; background: rgba(7, 23, 34, .9); backdrop-filter: blur(18px); }
.wordmark, .footer-brand { display: flex; align-items: center; gap: 11px; font-size: 12px; font-weight: 700; letter-spacing: .16em; }
.brand-signal { position: relative; display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 18px rgba(231, 163, 63, .72); }
.desktop-nav { display: flex; gap: 32px; font-size: 12px; letter-spacing: .08em; }
.desktop-nav a, .language-toggle { opacity: .72; transition: opacity .2s ease; }
.desktop-nav a:hover, .desktop-nav a:focus-visible, .language-toggle:hover, .language-toggle:focus-visible { opacity: 1; }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 20px; }
.language-toggle { border: 0; padding: 10px 0; background: transparent; color: inherit; font: inherit; font-size: 12px; cursor: pointer; }
.header-cta { padding: 11px 16px; border: 1px solid rgba(239, 233, 220, .4); font-size: 12px; letter-spacing: .06em; transition: background .2s ease, color .2s ease; }
.header-cta:hover, .header-cta:focus-visible { background: var(--paper); color: var(--ink); }

.hero { position: relative; min-height: 860px; height: 100svh; overflow: hidden; display: flex; align-items: center; color: var(--paper); background: var(--ink); }
.hero-media, .hero-media img, .hero-shade, .depth-grid { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-media img { object-fit: cover; object-position: center; filter: saturate(.86) contrast(1.02); transform: scale(1.015); }
.hero-shade { background: linear-gradient(90deg, rgba(4, 16, 26, .98) 0%, rgba(4, 16, 26, .9) 28%, rgba(4, 16, 26, .45) 55%, rgba(4, 16, 26, .12) 100%); }
.depth-grid { opacity: .17; background-image: linear-gradient(rgba(239,233,220,.14) 1px, transparent 1px), linear-gradient(90deg, rgba(239,233,220,.11) 1px, transparent 1px); background-size: 96px 96px; mask-image: linear-gradient(90deg, #000 0%, transparent 72%); }
.hero-inner { position: relative; z-index: 2; width: min(var(--max), calc(100% - 48px)); margin: 64px auto 0; padding-right: 44%; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 34px; font-size: 11px; font-weight: 650; letter-spacing: .18em; color: var(--paper-dim); }
.live-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 12px var(--amber); }
.hero h1, .editorial-section h2, .collaborate h2 {
  font-family: "Iowan Old Style", "Palatino Linotype", "Songti SC", "Noto Serif SC", serif;
  font-weight: 400; letter-spacing: -.045em; text-wrap: balance;
}
.hero h1 { margin: 0; max-width: 870px; font-size: clamp(60px, 7.5vw, 112px); line-height: .94; }
.hero-lede { max-width: 610px; margin: 34px 0 0; font-size: clamp(17px, 1.35vw, 21px); line-height: 1.65; color: rgba(239, 233, 220, .78); text-wrap: pretty; }
.hero-actions { display: flex; align-items: center; gap: 14px; margin-top: 40px; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 38px; padding: 0 22px; font-size: 13px; letter-spacing: .04em; }
.button-primary { background: var(--amber); color: var(--ink); transition: background .2s ease, transform .2s ease; }
.button-primary:hover, .button-primary:focus-visible { background: #f1b658; transform: translateY(-2px); }
.button-quiet { border: 1px solid rgba(239,233,220,.32); color: var(--paper); transition: border-color .2s ease; }
.button-quiet:hover, .button-quiet:focus-visible { border-color: rgba(239,233,220,.8); }
.stage-warning { margin: 26px 0 0; padding-left: 14px; border-left: 1px solid var(--amber); color: rgba(239,233,220,.54); font-size: 12px; letter-spacing: .035em; }
.hero-index { position: absolute; z-index: 2; right: clamp(20px, 4vw, 72px); bottom: 30px; display: flex; gap: 18px; color: rgba(239,233,220,.48); font: 10px ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .08em; }
.ambient-points span { position: absolute; z-index: 2; left: var(--x); top: var(--y); width: 4px; height: 4px; border-radius: 50%; background: #ffd180; box-shadow: 0 0 14px 4px rgba(231,163,63,.45); animation: breathe 4.8s ease-in-out var(--d) infinite; }
@keyframes breathe { 0%,100% { opacity: .26; transform: scale(.8); } 50% { opacity: .95; transform: scale(1.25); } }

.signal-bar { display: grid; grid-template-columns: repeat(3, 1fr); background: var(--amber); border-bottom: 1px solid rgba(7,23,34,.2); }
.signal-bar > div { min-height: 116px; display: flex; align-items: center; gap: 20px; padding: 28px clamp(24px, 4vw, 68px); border-right: 1px solid rgba(7,23,34,.2); }
.signal-bar > div:last-child { border-right: 0; }
.signal-bar strong { font: 400 30px "Iowan Old Style", "Songti SC", serif; }
.signal-bar span { max-width: 220px; font-size: 12px; line-height: 1.5; letter-spacing: .04em; }

.editorial-section { padding: 120px clamp(24px, 5vw, 84px); background: var(--paper); }
.section-kicker { max-width: var(--max); margin: 0 auto 70px; display: grid; grid-template-columns: 60px 1fr; gap: 18px; padding-bottom: 15px; border-bottom: 1px solid var(--line-dark); font: 10px ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .18em; }
.section-kicker.light { border-color: var(--line-light); color: rgba(239,233,220,.62); }
.program-intro { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 1.45fr 1fr; gap: clamp(60px, 10vw, 150px); align-items: start; }
.editorial-section h2 { margin: 0; font-size: clamp(50px, 6vw, 92px); line-height: .98; }
.program-intro > div p { margin: 0; max-width: 540px; font-size: 18px; line-height: 1.75; }
.program-intro .note { margin-top: 30px; padding-top: 18px; border-top: 1px solid var(--line-dark); font-size: 12px; color: rgba(7,23,34,.58); }
.program-layers { max-width: var(--max); margin: 96px auto 0; border-top: 1px solid var(--line-dark); }
.program-layers article { display: grid; grid-template-columns: 90px 1fr; padding: 30px 0; border-bottom: 1px solid var(--line-dark); }
.layer-number { font: 11px ui-monospace, SFMono-Regular, Menlo, monospace; color: rgba(7,23,34,.48); }
.layer-copy { display: grid; grid-template-columns: 160px .75fr 1fr; align-items: baseline; gap: 24px; }
.layer-status { margin: 0; font: 10px ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .14em; color: rgba(7,23,34,.42); }
.layer-status.current { color: #9b6110; }
.layer-copy h3 { margin: 0; font: 400 30px "Iowan Old Style", "Songti SC", serif; }
.layer-copy > p:last-child { margin: 0; max-width: 550px; line-height: 1.65; color: rgba(7,23,34,.68); }

.method, .status-section { padding: 120px clamp(24px, 5vw, 84px); background: var(--ink); color: var(--paper); }
.method-layout { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(60px, 10vw, 160px); }
.large-quote { margin: 0; font: 400 clamp(58px, 7vw, 100px)/.94 "Iowan Old Style", "Songti SC", serif; letter-spacing: -.045em; }
.method-heading > p:last-child { max-width: 470px; margin: 32px 0 0; line-height: 1.75; color: rgba(239,233,220,.62); }
.method-steps { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-light); }
.method-steps li { display: grid; grid-template-columns: 60px 1fr; gap: 18px; padding: 24px 0; border-bottom: 1px solid var(--line-light); }
.method-steps > li > span { font: 10px ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--amber); }
.method-steps h3 { margin: 0 0 8px; font-size: 17px; font-weight: 550; letter-spacing: .01em; }
.method-steps p { margin: 0; line-height: 1.62; color: rgba(239,233,220,.57); }

.safety-layout { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 1.25fr 1fr; gap: clamp(60px, 10vw, 150px); }
.safety-copy > p { margin: 0; font-size: 18px; line-height: 1.75; }
.safety-copy ul { margin: 40px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line-dark); }
.safety-copy li { padding: 18px 0 18px 28px; border-bottom: 1px solid var(--line-dark); position: relative; line-height: 1.5; }
.safety-copy li::before { content: "×"; position: absolute; left: 0; color: #a06715; }
.safety-line { max-width: var(--max); margin: 90px auto 0; padding: 24px 0; display: flex; justify-content: space-between; gap: 30px; border-top: 2px solid var(--ink); border-bottom: 1px solid var(--line-dark); font: 11px ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .1em; }

.status-grid { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(60px, 10vw, 150px); }
.status-date { margin: 0 0 22px; color: var(--amber); font: 11px ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .16em; }
.status-grid h2 { margin: 0; font: 400 clamp(60px, 7vw, 105px)/1 "Iowan Old Style", "Songti SC", serif; letter-spacing: -.045em; }
.status-copy > p { margin: 0; max-width: 540px; font-size: 18px; line-height: 1.75; color: rgba(239,233,220,.65); }
.progress-block { margin-top: 56px; }
.progress-label { display: flex; justify-content: space-between; margin-bottom: 12px; color: rgba(239,233,220,.62); font: 10px ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .1em; }
.progress-track { height: 2px; background: rgba(239,233,220,.14); }
.progress-track span { display: block; width: 17%; height: 100%; background: var(--amber); }

.collaborate { padding: 120px clamp(24px, 5vw, 84px); background: #d8d0c1; display: grid; grid-template-columns: 1.3fr .7fr; gap: clamp(60px, 10vw, 150px); }
.collaborate-copy .section-kicker { margin-left: 0; margin-right: 0; }
.collaborate h2 { max-width: 820px; margin: 0; font-size: clamp(52px, 6.2vw, 94px); line-height: .96; }
.collaborate-copy > p { max-width: 720px; margin: 38px 0 0; font-size: 18px; line-height: 1.72; }
.collaborate-note { align-self: end; padding: 28px 0 0; border-top: 2px solid var(--ink); }
.note-index { font: 10px ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .14em; color: rgba(7,23,34,.52); }
.collaborate-note p { margin: 28px 0 40px; line-height: 1.68; color: rgba(7,23,34,.7); }
.collaborate-note a { display: flex; justify-content: space-between; align-items: center; min-height: 52px; padding: 0 2px; border-bottom: 1px solid var(--ink); font-size: 13px; }

footer { display: grid; grid-template-columns: .7fr 1.6fr .7fr; gap: 50px; align-items: start; padding: 48px clamp(24px, 5vw, 84px); background: #030c12; color: rgba(239,233,220,.5); font-size: 11px; line-height: 1.6; }
footer .footer-brand { color: var(--paper); }
footer p { margin: 0; }
footer p:last-child { text-align: right; }

:focus-visible { outline: 2px solid var(--amber); outline-offset: 4px; }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  .desktop-nav { display: none; }
  .hero { min-height: 800px; }
  .hero-inner { padding-right: 20%; }
  .signal-bar > div { padding: 24px; }
  .program-intro, .method-layout, .safety-layout, .status-grid { grid-template-columns: 1fr; gap: 54px; }
  .layer-copy { grid-template-columns: 130px .7fr 1.2fr; }
  .collaborate { grid-template-columns: 1fr; }
  .collaborate-note { max-width: 540px; }
  footer { grid-template-columns: 1fr 1.5fr; }
  footer p:last-child { grid-column: 2; text-align: left; }
}

@media (max-width: 680px) {
  .site-header { min-height: 64px; padding: 0 18px; }
  .header-cta { display: none; }
  .header-actions { gap: 0; }
  .hero { min-height: 780px; height: 100svh; }
  .hero-media img { object-position: 67% center; }
  .hero-shade { background: linear-gradient(180deg, rgba(4,16,26,.6) 0%, rgba(4,16,26,.88) 54%, rgba(4,16,26,.98) 100%); }
  .depth-grid { background-size: 64px 64px; mask-image: linear-gradient(180deg, transparent 0%, #000 68%); }
  .hero-inner { width: calc(100% - 36px); margin-top: 50px; padding: 0; align-self: flex-end; padding-bottom: 76px; }
  .eyebrow { margin-bottom: 18px; font-size: 9px; }
  .hero h1 { font-size: clamp(49px, 14vw, 68px); }
  .hero-lede { margin-top: 22px; font-size: 15px; line-height: 1.64; }
  .hero-actions { align-items: stretch; margin-top: 28px; }
  .button { min-height: 48px; padding: 0 16px; gap: 18px; }
  .button-quiet { display: none; }
  .stage-warning { margin-top: 18px; font-size: 10px; line-height: 1.5; }
  .hero-index { display: none; }
  .ambient-points span { display: none; }
  .signal-bar { grid-template-columns: 1fr; }
  .signal-bar > div { min-height: 82px; border-right: 0; border-bottom: 1px solid rgba(7,23,34,.2); }
  .editorial-section, .method, .status-section, .collaborate { padding: 82px 20px; }
  .section-kicker { grid-template-columns: 38px 1fr; margin-bottom: 46px; }
  .editorial-section h2, .collaborate h2 { font-size: 50px; }
  .program-intro > div p, .safety-copy > p, .status-copy > p, .collaborate-copy > p { font-size: 16px; }
  .program-layers { margin-top: 68px; }
  .program-layers article { grid-template-columns: 42px 1fr; }
  .layer-copy { grid-template-columns: 1fr; gap: 8px; }
  .layer-copy h3 { font-size: 26px; }
  .layer-copy > p:last-child { margin-top: 8px; }
  .large-quote { font-size: 58px; }
  .method-steps li { grid-template-columns: 42px 1fr; }
  .safety-line { flex-direction: column; }
  .status-grid h2 { font-size: 64px; }
  footer { grid-template-columns: 1fr; gap: 28px; padding: 44px 20px; }
  footer p:last-child { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}
