:root {
  --ink: #07110f;
  --surface: #0b1714;
  --surface-2: #10231e;
  --line: rgba(218, 241, 230, .14);
  --text: #edf5f0;
  --muted: #a4b7ae;
  --acid: #a8ff78;
  --aqua: #65f2c2;
  --paper: #e8eee9;
  --paper-ink: #14231e;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--ink); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.5; }
a { color: inherit; }
.skip-link { position: fixed; top: -60px; left: 16px; z-index: 100; padding: 10px 14px; color: var(--ink); background: var(--acid); }
.skip-link:focus { top: 16px; }

.site-header { position: relative; z-index: 10; display: flex; align-items: center; justify-content: space-between; width: min(calc(100% - 48px), var(--max)); min-height: 88px; margin: 0 auto; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; gap: 12px; align-items: center; font-size: 14px; font-weight: 700; text-decoration: none; letter-spacing: -.01em; }
.brand-mark { display: flex; gap: 3px; align-items: center; height: 18px; }
.brand-mark i { display: block; width: 5px; border-radius: 1px; background: var(--acid); transform: skewY(-22deg); }
.brand-mark i:nth-child(1) { height: 9px; }.brand-mark i:nth-child(2) { height: 14px; }.brand-mark i:nth-child(3) { height: 18px; }
nav { display: flex; gap: 28px; }
nav a { color: var(--muted); font-size: 13px; text-decoration: none; transition: color .2s ease; }
nav a:hover, nav a:focus-visible { color: var(--acid); }
.nav-toggle { display: none; color: var(--text); background: transparent; border: 1px solid var(--line); padding: 8px 11px; }

.hero { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(48px, 7vw, 100px); align-items: center; width: min(calc(100% - 48px), var(--max)); min-height: 720px; margin: 0 auto; padding: 84px 0 110px; }
.hero::before { content: ""; position: absolute; inset: -90px 45% auto -30vw; height: 620px; pointer-events: none; background: radial-gradient(circle, rgba(71, 178, 134, .16), transparent 68%); }
.hero-copy { position: relative; }
.eyebrow { margin: 0 0 22px; color: var(--aqua); font: 600 11px/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow > span { display: inline-block; width: 18px; height: 1px; margin: 0 8px 3px 0; background: currentColor; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 700px; margin-bottom: 28px; font-size: clamp(52px, 7.1vw, 94px); font-weight: 550; line-height: .98; letter-spacing: -.065em; }
.hero-lead { max-width: 630px; margin-bottom: 34px; color: var(--muted); font-size: clamp(17px, 1.5vw, 20px); line-height: 1.6; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 34px; }
.button { display: inline-flex; gap: 18px; align-items: center; justify-content: center; min-height: 50px; padding: 0 19px; border: 1px solid var(--line); font-size: 13px; font-weight: 700; text-decoration: none; }
.button-primary { color: var(--ink); background: var(--acid); border-color: var(--acid); }
.button-secondary { color: var(--text); background: rgba(255,255,255,.02); }
.button:hover { transform: translateY(-1px); }
.boundary { max-width: 570px; padding-left: 14px; color: #83988e; border-left: 1px solid #3b5d4e; font: 11px/1.55 ui-monospace, SFMono-Regular, Menlo, monospace; }
.boundary strong { color: var(--muted); font-weight: 600; }

.chain-panel { position: relative; padding: 18px; border: 1px solid var(--line); background: linear-gradient(145deg, rgba(18, 42, 35, .72), rgba(6, 16, 13, .92)); box-shadow: 0 30px 100px rgba(0,0,0,.25); }
.chain-panel::after { content: ""; position: absolute; right: -1px; bottom: -1px; width: 54px; height: 54px; border-right: 1px solid var(--aqua); border-bottom: 1px solid var(--aqua); }
.panel-top { display: flex; justify-content: space-between; margin-bottom: 17px; color: #6f887d; font: 9px ui-monospace, monospace; letter-spacing: .14em; }
.live-dot { color: var(--acid); }.live-dot::before { content: ""; display: inline-block; width: 5px; height: 5px; margin: 0 7px 1px 0; border-radius: 50%; background: currentColor; box-shadow: 0 0 10px currentColor; }
.chain-node { display: grid; grid-template-columns: 30px 1fr auto; gap: 12px; align-items: center; padding: 15px; border: 1px solid var(--line); background: rgba(4, 12, 10, .55); }
.node-index { color: #5e766b; font: 10px ui-monospace, monospace; }
.chain-node small { display: block; margin-bottom: 3px; color: #6e887c; font: 8px ui-monospace, monospace; letter-spacing: .15em; }
.chain-node strong { font-size: 13px; font-weight: 650; }.chain-node p { margin: 3px 0 0; color: #849b90; font: 9px ui-monospace, monospace; }
.node-state { color: var(--aqua); font: 8px ui-monospace, monospace; letter-spacing: .08em; }
.node-result { border-color: rgba(168, 255, 120, .42); background: rgba(112, 187, 88, .08); }.node-result .node-state { color: var(--acid); }
.chain-link { display: grid; grid-template-columns: 55px 1fr 65px; gap: 9px; align-items: center; height: 38px; padding: 0 18px; color: #53685e; font: 8px ui-monospace, monospace; text-transform: uppercase; }
.chain-link i { height: 1px; background: linear-gradient(90deg, var(--line), var(--aqua), var(--line)); }
.chain-link span:last-child { text-align: right; }

.section { width: min(calc(100% - 48px), var(--max)); margin: 0 auto; padding: 120px 0; }
.section-heading h2, .closing h2 { margin-bottom: 28px; font-size: clamp(42px, 5.2vw, 70px); font-weight: 500; line-height: 1.04; letter-spacing: -.055em; }
.problem { display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; border-top: 1px solid var(--line); }
.problem-copy > p { max-width: 530px; margin-bottom: 42px; color: var(--muted); font-size: 18px; line-height: 1.7; }
.question-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.question-list li { display: grid; grid-template-columns: 38px 1fr; gap: 12px; padding: 17px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.question-list span { color: var(--aqua); font: 10px ui-monospace, monospace; }
.how { width: 100%; max-width: none; padding-right: max(24px, calc((100vw - var(--max)) / 2)); padding-left: max(24px, calc((100vw - var(--max)) / 2)); color: var(--paper-ink); background: var(--paper); }
.section-heading.compact { max-width: 760px; margin-bottom: 66px; }.section-heading.compact > p:last-child { max-width: 650px; color: #55665e; font-size: 17px; }
.how .eyebrow { color: #29745a; }
.principle-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(15, 35, 27, .2); }
.principle-grid article { min-height: 290px; padding: 28px 24px 20px 0; border-right: 1px solid rgba(15, 35, 27, .2); }
.principle-grid article + article { padding-left: 24px; }.principle-grid article:last-child { border-right: 0; }
.principle-grid span { color: #49836e; font: 10px ui-monospace, monospace; }.principle-grid h3 { margin: 76px 0 14px; font-size: 21px; letter-spacing: -.025em; }.principle-grid p { color: #5c6b64; font-size: 14px; line-height: 1.7; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.case-grid article { min-height: 310px; padding: 28px; border: 1px solid var(--line); background: var(--surface); }
.case-grid small { color: var(--aqua); font: 9px ui-monospace, monospace; letter-spacing: .14em; }.case-grid h3 { margin: 126px 0 14px; font-size: 23px; font-weight: 550; letter-spacing: -.03em; }.case-grid p { color: var(--muted); font-size: 14px; line-height: 1.65; }
.status { padding-top: 30px; }.status-card { display: grid; grid-template-columns: 1.25fr .75fr; gap: 8vw; padding: clamp(34px, 6vw, 74px); color: var(--ink); background: var(--acid); }
.status-card .eyebrow { color: #315f34; }.status-card h2 { max-width: 640px; margin-bottom: 24px; font-size: clamp(38px, 4vw, 58px); font-weight: 550; line-height: 1.05; letter-spacing: -.05em; }.status-card p:last-child { max-width: 620px; color: #35523b; line-height: 1.65; }
.status-card dl { margin: 0; }.status-card dl div { display: flex; justify-content: space-between; gap: 24px; padding: 18px 0; border-bottom: 1px solid rgba(7, 17, 15, .22); }.status-card dt { color: #426448; font-size: 12px; }.status-card dd { margin: 0; font: 600 11px ui-monospace, monospace; text-transform: uppercase; }
.closing { text-align: center; padding-top: 160px; padding-bottom: 170px; }.closing h2 { font-size: clamp(48px, 7vw, 92px); }.closing h2 em { color: var(--acid); font-style: normal; }.closing > p:last-child { max-width: 600px; margin: 0 auto; color: var(--muted); font-size: 17px; }
footer { display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; width: min(calc(100% - 48px), var(--max)); min-height: 110px; margin: 0 auto; border-top: 1px solid var(--line); color: #778d83; font-size: 11px; }
footer p { margin: 0; text-align: center; }footer > div { display: flex; gap: 20px; justify-content: flex-end; }footer > div a { text-decoration: none; }footer > div a:hover { color: var(--acid); }

@media (max-width: 900px) {
  .hero, .problem, .status-card { grid-template-columns: 1fr; }
  .hero { padding-top: 64px; }.chain-panel { max-width: 620px; }.principle-grid { grid-template-columns: 1fr 1fr; }.principle-grid article:nth-child(2) { border-right: 0; }.case-grid { grid-template-columns: 1fr; }.case-grid article { min-height: 230px; }.case-grid h3 { margin-top: 65px; }
}
@media (max-width: 640px) {
  .site-header { width: min(calc(100% - 32px), var(--max)); min-height: 72px; }.nav-toggle { display: block; }.site-header nav { position: absolute; top: 71px; right: 0; left: 0; display: none; flex-direction: column; gap: 0; padding: 8px 16px 16px; background: var(--ink); border-bottom: 1px solid var(--line); }.site-header nav.open { display: flex; }.site-header nav a { padding: 12px 0; }
  .hero, .section, footer { width: min(calc(100% - 32px), var(--max)); }.hero { min-height: auto; padding-bottom: 80px; }.hero-actions { flex-direction: column; align-items: stretch; }.chain-panel { padding: 10px; }.chain-node { grid-template-columns: 24px 1fr; }.node-state { display: none; }
  .section { padding: 84px 0; }.principle-grid { grid-template-columns: 1fr; }.principle-grid article, .principle-grid article + article { min-height: auto; padding: 24px 0 34px; border-right: 0; border-bottom: 1px solid rgba(15,35,27,.2); }.principle-grid h3 { margin-top: 38px; }
  .status { padding-top: 20px; }.status-card { padding: 30px 22px; }.status-card dl div { flex-direction: column; gap: 4px; }
  footer { grid-template-columns: 1fr; gap: 18px; padding: 28px 0; text-align: center; }footer .brand, footer > div { justify-content: center; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; } }