:root {
  --bg: #070a09;
  --surface: #0d1210;
  --surface-2: #131917;
  --ink: #edf3ef;
  --muted: #a6b0ab;
  --dim: #707c77;
  --line: rgba(223, 235, 229, .16);
  --mint: #77e3a7;
  --cyan: #68c8d5;
  --amber: #f0b75d;
  --critical: #ff6b5e;
  --offline: #a6ada9;
  --max: 1240px;
  --control-height: 48px;
  --control-radius: 10px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; color: var(--ink); background: var(--bg); font-family: "Avenir Next", "Noto Sans SC", "Helvetica Neue", sans-serif; letter-spacing: 0; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button { color: inherit; font: inherit; letter-spacing: 0; }
.skip-link { position: fixed; z-index: 100; top: 8px; left: 8px; padding: 10px 14px; transform: translateY(-150%); color: #06100b; background: var(--mint); }
.skip-link:focus { transform: none; }
.site-header { position: fixed; z-index: 30; top: 0; left: 0; right: 0; height: 62px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 28px; border-bottom: 1px solid var(--line); background: rgba(5, 8, 7, .86); backdrop-filter: blur(20px); }
.wordmark { display: flex; align-items: center; gap: 10px; width: max-content; text-decoration: none; font-size: 12px; font-weight: 700; }
.wordmark i { width: 22px; height: 22px; border: 1px solid var(--mint); background: linear-gradient(135deg, transparent 43%, var(--mint) 44% 48%, transparent 49%); }
.site-header nav { display: flex; gap: 28px; }
.site-header nav a { color: var(--muted); font-size: 10px; font-weight: 600; text-decoration: none; }
.site-header nav a:hover, .site-header nav a:focus-visible { color: var(--ink); }
.language-switch { justify-self: end; display: grid; grid-template-columns: 1fr 1fr; width: 110px; padding: 2px; border: 1px solid var(--line); border-radius: var(--control-radius); background: rgba(7, 10, 9, .45); }
.language-switch button { height: 34px; padding: 0; color: var(--dim); border: 0; border-radius: 8px; background: transparent; font-size: 10px; font-weight: 700; cursor: pointer; transition: color .18s ease, background .18s ease; }
.language-switch button:hover { color: var(--ink); }
.language-switch button.active { color: #07100c; background: var(--mint); }
.language-switch button:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; }

.hero { position: relative; min-height: min(860px, 92vh); overflow: hidden; display: flex; align-items: end; padding: 130px max(28px, calc((100vw - var(--max)) / 2)) 70px; background: #0a0c0b; }
.hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 58% 50%; }
.hero-scrim { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3, 5, 5, .96) 0, rgba(3, 5, 5, .68) 38%, rgba(3, 5, 5, .06) 76%), linear-gradient(0deg, rgba(3, 5, 5, .84), transparent 48%); }
.hero-copy { position: relative; z-index: 2; max-width: 650px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 22px; }
.hero-meta span { padding: 5px 7px; color: var(--muted); border: 1px solid var(--line); background: rgba(8, 12, 11, .46); font-size: 9px; font-weight: 700; }
.hero h1 { margin: 0; font-size: clamp(72px, 12vw, 164px); font-weight: 500; line-height: .8; }
.hero-subtitle { margin: 26px 0 0; color: var(--mint); font-size: clamp(19px, 2.6vw, 34px); font-weight: 500; }
.hero-deck { max-width: 580px; margin: 16px 0 0; color: #c7d0cc; font-size: 16px; line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 32px; }
.primary-action, .secondary-action { min-height: var(--control-height); display: inline-flex; align-items: center; justify-content: center; padding: 0 18px; border-radius: var(--control-radius); font-size: 12px; font-weight: 700; text-decoration: none; transition: color .18s ease, background .18s ease, border-color .18s ease, transform .18s ease; }
.primary-action { color: #06100b; border: 1px solid var(--mint); background: var(--mint); }
.primary-action::after { content: "→"; margin-left: 12px; font-size: 15px; }
.primary-action:hover { border-color: #96edbb; background: #96edbb; transform: translateY(-1px); }
.secondary-action { color: var(--ink); border: 1px solid var(--line); background: rgba(7, 10, 9, .6); }
.secondary-action:hover { border-color: rgba(119, 227, 167, .48); background: rgba(14, 22, 18, .88); transform: translateY(-1px); }
.primary-action:active, .secondary-action:active { transform: none; }
.primary-action:focus-visible, .secondary-action:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; }
.hero-index { position: absolute; z-index: 2; right: 28px; bottom: 26px; color: var(--dim); font-size: 9px; }

section:not(.hero) { padding: 110px max(28px, calc((100vw - var(--max)) / 2)); }
.band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); }
.eyebrow { margin: 0 0 18px; color: var(--mint); font-size: 10px; font-weight: 700; }
.section-heading { display: grid; grid-template-columns: 220px minmax(0, 760px); align-items: start; margin-bottom: 62px; }
.section-heading h2, .statement h2 { margin: 0; font-size: clamp(34px, 5vw, 68px); font-weight: 450; line-height: 1.05; }
.statement h2 { max-width: 980px; }
.display-context-intro { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(250px, .65fr); gap: 70px; align-items: start; margin: -18px 0 54px; }
.research-basis { max-width: 760px; }
.research-basis > p { margin: 0; color: #c2cdc7; font-size: 17px; line-height: 1.65; }
.research-links { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 20px; }
.research-links a { padding: 7px 9px; color: var(--cyan); border: 1px solid rgba(104, 200, 213, .24); font-size: 9px; font-weight: 700; text-decoration: none; }
.research-links a:hover, .research-links a:focus-visible { color: var(--ink); border-color: var(--cyan); }
.display-legend { display: grid; gap: 12px; padding: 16px 18px; border: 1px solid var(--line); background: rgba(7, 10, 9, .45); }
.display-legend span { display: grid; grid-template-columns: 64px 1fr; gap: 12px; align-items: baseline; }
.display-legend b { color: var(--cyan); font-size: 9px; }
.display-legend small { color: var(--muted); font-size: 10px; line-height: 1.4; }
.display-sequence { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.display-sequence figure { margin: 0; min-width: 0; border: 1px solid var(--line); background: var(--bg); }
.display-image { padding: 8px; background: #040706; }
.display-image img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; filter: saturate(.84) contrast(1.04); }
.display-sequence figcaption { display: grid; grid-template-columns: 28px 1fr; gap: 12px; padding: 16px; }
.display-sequence figcaption > span { color: var(--mint); font-size: 10px; font-weight: 700; }
.display-sequence figcaption b { color: var(--ink); font-size: 9px; letter-spacing: .04em; }
.display-sequence figcaption p { margin: 10px 0 0; color: var(--muted); font-size: 11px; line-height: 1.5; }
.statement-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(280px, .7fr); gap: 100px; align-items: start; margin-top: 72px; }
.statement-grid > p { margin: 0; max-width: 720px; color: #c2cdc7; font-size: 20px; line-height: 1.55; }
.fact-list { margin: 0; border-top: 1px solid var(--line); }
.fact-list div { display: grid; grid-template-columns: 90px 1fr; gap: 20px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.fact-list dt { color: var(--dim); font-size: 9px; font-weight: 700; }
.fact-list dd { margin: 0; color: var(--muted); font-size: 11px; }

.automation-scale { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.automation-scale article { position: relative; min-width: 0; min-height: 178px; display: grid; align-content: start; gap: 10px; padding: 22px 18px; background: rgba(7, 10, 9, .32); }
.automation-scale article + article { border-left: 1px solid var(--line); }
.automation-scale span { color: var(--dim); font-size: 11px; font-weight: 700; }
.automation-scale b { margin-top: 26px; font-size: 14px; font-weight: 550; line-height: 1.3; }
.automation-scale small { color: var(--dim); font-size: 10px; line-height: 1.5; }
.automation-scale .scope-entry { background: linear-gradient(180deg, rgba(119, 227, 167, .13), rgba(119, 227, 167, .025)); box-shadow: inset 0 3px 0 var(--mint); }
.automation-scale .scope-entry span, .automation-scale .scope-entry b { color: var(--mint); }
.automation-scale .scope-entry small { color: #bdc9c3; }
.scope-definition { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(260px, .6fr); gap: 72px; align-items: start; margin-top: 48px; }
.scope-definition > p { max-width: 760px; margin: 0; color: #c2cdc7; font-size: 18px; line-height: 1.6; }
.scope-card { display: grid; gap: 9px; padding: 22px; border: 1px solid rgba(119, 227, 167, .38); background: var(--bg); }
.scope-card span { color: var(--mint); font-size: 9px; font-weight: 700; }
.scope-card strong { margin-top: 12px; font-size: 32px; font-weight: 500; }
.scope-card small { color: var(--muted); font-size: 10px; line-height: 1.5; }

.layer-map { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.layer-map article { min-width: 0; min-height: 280px; display: flex; flex-direction: column; padding: 24px 22px 22px 0; }
.layer-map article + article { padding-left: 22px; border-left: 1px solid var(--line); }
.layer-map span { color: var(--cyan); font-size: 9px; font-weight: 700; }
.layer-map h3 { margin: 44px 0 12px; font-size: 20px; font-weight: 520; }
.layer-map p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.62; }
.layer-map b { margin-top: auto; padding-top: 26px; color: var(--mint); font-size: 8px; }
.stack-boundary { display: grid; grid-template-columns: 1fr 34px 1fr; gap: 18px; align-items: center; margin-top: 42px; }
.stack-boundary > div { min-height: 100px; display: grid; align-content: center; gap: 10px; padding: 18px 20px; border: 1px solid rgba(119, 227, 167, .34); background: linear-gradient(135deg, rgba(119, 227, 167, .08), transparent); }
.stack-boundary > i { color: var(--dim); font-size: 20px; font-style: normal; text-align: center; }
.stack-boundary .external { border-color: var(--line); background: var(--surface); }
.stack-boundary span { color: var(--mint); font-size: 8px; font-weight: 700; }
.stack-boundary .external span { color: var(--amber); }
.stack-boundary strong { font-size: 12px; font-weight: 550; line-height: 1.5; }
.stack-boundary b { color: var(--dim); font-size: 8px; }

.evidence-ledger { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.evidence-ledger article { min-width: 0; padding: 24px 22px 26px 0; }
.evidence-ledger article + article { padding-left: 22px; border-left: 1px solid var(--line); }
.evidence-ledger span { color: var(--cyan); font-size: 9px; font-weight: 700; }
.evidence-ledger h3 { margin: 30px 0 10px; font-size: 17px; font-weight: 600; }
.evidence-ledger p, .boundary { color: var(--muted); font-size: 12px; line-height: 1.6; }
.boundary { margin: 28px 0 0; padding-left: 15px; border-left: 2px solid var(--amber); }

.comparison-table { border-top: 1px solid var(--line); }
.comparison-table [role="row"] { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--line); }
.comparison-table span { padding: 18px 20px 18px 0; color: var(--muted); font-size: 13px; }
.comparison-table span + span { padding-left: 24px; color: var(--ink); border-left: 1px solid var(--line); }
.comparison-table [role="columnheader"] { color: var(--mint); font-size: 10px; font-weight: 700; }

.journey-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.journey-list li { display: grid; grid-template-columns: 70px minmax(0, 1fr) auto; align-items: center; gap: 20px; min-height: 76px; border-bottom: 1px solid var(--line); }
.journey-list b { color: var(--mint); font-size: 10px; }
.journey-list span { font-size: 22px; }
.journey-list small { color: var(--dim); font-size: 9px; }

.signature { display: grid; grid-template-columns: minmax(300px, .72fr) minmax(560px, 1.28fr); gap: 64px; align-items: center; }
.signature h2 { margin: 0; font-size: clamp(62px, 8vw, 118px); font-weight: 450; line-height: .9; }
.signature-copy > p:last-child { max-width: 540px; margin: 34px 0 0; color: var(--muted); font-size: 15px; line-height: 1.65; }
.prototype-frame { min-width: 0; padding: 10px; border: 1px solid var(--line); background: #040706; box-shadow: 0 28px 80px rgba(0, 0, 0, .38); }
.prototype-frame iframe { width: 100%; aspect-ratio: 16 / 9; display: block; border: 0; background: #07100d; }
.prototype-frame p { margin: 10px 4px 2px; color: var(--dim); font-size: 9px; }

.connected-cabin { display: grid; grid-template-columns: minmax(340px, .82fr) minmax(560px, 1.18fr); gap: 72px; align-items: center; }
.connected-cabin h2 { margin: 0; font-size: clamp(36px, 5vw, 68px); font-weight: 450; line-height: 1.04; }
.connected-cabin-copy > p:not(.eyebrow, .boundary) { margin: 28px 0 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.continuity-flow { margin: 34px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.continuity-flow li { min-height: 56px; display: grid; grid-template-columns: 34px minmax(0, 1fr) auto; align-items: center; gap: 12px; border-bottom: 1px solid var(--line); }
.continuity-flow b { color: var(--cyan); font-size: 9px; }
.continuity-flow span { font-size: 12px; }
.continuity-flow small { color: var(--dim); font-size: 8px; }
.cabin-prototype { align-self: center; }

.scene-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.scene-grid figure { min-width: 0; margin: 0; border-bottom: 1px solid var(--line); background: var(--bg); }
.scene-grid img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.scene-grid figcaption { display: grid; gap: 8px; min-height: 92px; padding: 16px 4px; }
.scene-grid b { color: var(--mint); font-size: 9px; }
.scene-grid span { color: var(--muted); font-size: 11px; line-height: 1.5; }

.state-track { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.state-track span { min-width: 0; padding: 17px 10px; color: var(--muted); overflow: hidden; font-size: 8px; font-weight: 700; text-overflow: ellipsis; }
.state-track span + span { border-left: 1px solid var(--line); }
.state-track span:nth-child(2) { color: var(--mint); }
.state-track span:nth-child(3) { color: var(--amber); }
.state-track span:nth-child(4) { color: var(--amber); }
.state-track span:nth-child(5) { color: var(--critical); }
.state-track span:nth-child(6) { color: var(--cyan); }
.state-notes { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin-top: 38px; }
.state-notes p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }

.map-architecture { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr); gap: 68px; align-items: center; }
.map-image { min-height: 560px; overflow: hidden; border: 1px solid var(--line); }
.map-image img { width: 100%; height: 100%; min-height: 560px; object-fit: cover; filter: saturate(.42) brightness(.5) contrast(1.14); }
.map-copy h2 { margin: 0; font-size: clamp(38px, 5vw, 66px); font-weight: 450; line-height: 1.05; }
.map-copy ul { margin: 45px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.map-copy li { display: grid; grid-template-columns: 170px 1fr; gap: 18px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.map-copy li b { color: var(--ink); font-size: 11px; }
.map-copy li span { color: var(--muted); font-size: 11px; }

.regions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.regions figure { margin: 0; border-bottom: 1px solid var(--line); background: var(--surface); }
.regions img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; filter: saturate(.55) brightness(.76); }
.regions figcaption { display: flex; justify-content: space-between; gap: 10px; padding: 15px 2px; }
.regions b { font-size: 11px; }
.regions span { color: var(--dim); font-size: 8px; text-align: right; }

.tokens { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.tokens div { display: grid; gap: 8px; padding: 20px; }
.tokens div + div { border-left: 1px solid var(--line); }
.tokens i { width: 100%; height: 5px; background: var(--ink); }
.tokens .mint { background: var(--mint); }.tokens .cyan { background: var(--cyan); }.tokens .amber { background: var(--amber); }.tokens .critical { background: var(--critical); }.tokens .offline { background: var(--offline); }
.tokens b { margin-top: 20px; font-size: 9px; }.tokens span { color: var(--dim); font-size: 9px; }
.system-grid > p { max-width: 720px; margin: 32px 0 0; color: var(--muted); font-size: 14px; line-height: 1.65; }

.metrics { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.metrics div { padding: 32px 22px 32px 0; }
.metrics div + div { padding-left: 22px; border-left: 1px solid var(--line); }
.metrics strong, .metrics span { display: block; }
.metrics strong { font-size: 44px; font-weight: 500; }
.metrics span { margin-top: 6px; color: var(--dim); font-size: 10px; }

.outcome-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr); gap: 100px; align-items: start; }
.outcome-grid > p { margin: 0; color: #c2cdc7; font-size: 19px; line-height: 1.65; }
.pending-list { display: grid; border-top: 1px solid var(--line); }
.pending-list h3 { margin: 0; padding: 15px 0; color: var(--mint); border-bottom: 1px solid var(--line); font-size: 10px; }
.pending-list span { padding: 11px 0; color: var(--muted); border-bottom: 1px solid var(--line); font-size: 11px; }
.outcome .hero-actions { margin-top: 50px; }

footer { min-height: 150px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 30px max(28px, calc((100vw - var(--max)) / 2)); border-top: 1px solid var(--line); }
footer b, footer span { display: block; } footer b { font-size: 20px; } footer span, footer p { color: var(--dim); font-size: 9px; }
.reveal { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr auto; padding: 0 16px; }
  .site-header nav { display: none; }
  .section-heading, .statement-grid, .signature, .connected-cabin, .map-architecture, .outcome-grid, .scope-definition, .display-context-intro { grid-template-columns: 1fr; gap: 42px; }
  .automation-scale { grid-template-columns: repeat(3, 1fr); }
  .automation-scale article:nth-child(4) { border-left: 0; }
  .automation-scale article:nth-child(n+4) { border-top: 1px solid var(--line); }
  .evidence-ledger { grid-template-columns: 1fr 1fr; }
  .display-sequence { grid-template-columns: 1fr; gap: 24px; }
  .layer-map { grid-template-columns: 1fr 1fr; }
  .layer-map article:nth-child(3) { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .layer-map article:nth-child(4) { border-top: 1px solid var(--line); }
  .evidence-ledger article:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; }
  .evidence-ledger article:nth-child(4) { border-top: 1px solid var(--line); }
  .signature { align-items: stretch; }
  .map-image, .map-image img { min-height: 400px; }
  .tokens { grid-template-columns: repeat(3, 1fr); }
  .tokens div:nth-child(4) { border-left: 0; border-top: 1px solid var(--line); }
  .tokens div:nth-child(5) { border-top: 1px solid var(--line); }
}

@media (max-width: 640px) {
  .hero { min-height: 88vh; padding: 110px 18px 48px; }
  .hero > img { object-position: 62% 50%; }
  .hero-scrim { background: linear-gradient(0deg, rgba(3, 5, 5, .96) 0, rgba(3, 5, 5, .6) 62%, rgba(3, 5, 5, .18)); }
  .hero h1 { font-size: clamp(64px, 25vw, 110px); }
  .hero-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .hero-actions .primary-action { grid-column: 1 / -1; }
  .hero-actions a { width: 100%; }
  section:not(.hero) { padding: 76px 18px; }
  .section-heading { margin-bottom: 40px; }
  .statement-grid > p, .outcome-grid > p { font-size: 16px; }
  .evidence-ledger, .scene-grid, .regions, .metrics, .state-notes { grid-template-columns: 1fr; }
  .layer-map, .stack-boundary { grid-template-columns: 1fr; }
  .layer-map article, .layer-map article + article { min-height: 0; padding: 22px 0; border-left: 0; border-top: 1px solid var(--line); }
  .layer-map h3 { margin-top: 24px; }
  .layer-map b { margin-top: 24px; padding-top: 0; }
  .display-context-intro { margin-top: 0; }
  .automation-scale { grid-template-columns: 1fr 1fr; }
  .automation-scale article { min-height: 145px; }
  .automation-scale article:nth-child(odd) { border-left: 0; }
  .automation-scale article:nth-child(n+3) { border-top: 1px solid var(--line); }
  .scope-definition > p { font-size: 16px; }
  .evidence-ledger article, .evidence-ledger article + article { padding: 20px 0; border-left: 0; border-top: 1px solid var(--line); }
  .journey-list li { grid-template-columns: 42px minmax(0, 1fr); gap: 10px; padding: 13px 0; }
  .journey-list small { grid-column: 2; }
  .continuity-flow li { grid-template-columns: 30px minmax(0, 1fr); padding: 11px 0; }
  .continuity-flow small { grid-column: 2; }
  .prototype-frame { margin: 0 -10px; }
  .state-track { grid-template-columns: 1fr 1fr; }
  .state-track span:nth-child(odd) { border-left: 0; }
  .state-track span:nth-child(n+3) { border-top: 1px solid var(--line); }
  .regions { gap: 28px; }
  .tokens { grid-template-columns: 1fr 1fr; }
  .tokens div:nth-child(odd) { border-left: 0; }
  .tokens div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .metrics div, .metrics div + div { padding: 24px 0; border-left: 0; border-top: 1px solid var(--line); }
  footer { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}