:root {
  --ink: #071824;
  --ink-soft: #243b49;
  --muted: #526775;
  --paper: #ffffff;
  --soft: #f3f7f8;
  --line: #cbd5da;
  --cyan: #0abde3;
  --cyan-dark: #0787a5;
  --violet: #a28dea;
  --violet-soft: #f0edff;
  --orange: #f36b21;
  --orange-soft: #fff1e9;
  --display: Impact, Haettenschweiler, "Arial Narrow Bold", "Arial Narrow", sans-serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --max: 1580px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body { margin: 0; overflow-x: clip; color: var(--ink); background: var(--paper); font-family: var(--sans); }
button, a { font: inherit; }
button { cursor: pointer; }
a { color: inherit; }
img, video { max-width: 100%; }
button:focus-visible, a:focus-visible, video:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }

.site-header {
  position: sticky;
  z-index: 30;
  top: 0;
  min-height: 72px;
  display: grid;
  grid-template-columns: 230px 1fr auto;
  align-items: center;
  padding: 0 clamp(20px, 3vw, 50px);
  border-bottom: 2px solid var(--ink);
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(14px);
}
.brand { display: flex; gap: 11px; align-items: center; font-size: 24px; font-weight: 900; letter-spacing: .04em; text-decoration: none; }
.brand-mark { width: 36px; height: 36px; display: grid; place-items: center; color: #fff; background: var(--ink); border-radius: 50%; font-family: var(--display); font-size: 23px; }
.site-nav { height: 100%; display: flex; justify-content: center; }
.site-nav a { position: relative; display: grid; place-items: center; padding: 0 clamp(16px, 2vw, 31px); font-size: 13px; font-weight: 750; text-decoration: none; }
.site-nav a::after { content: ""; position: absolute; right: 28%; bottom: -2px; left: 28%; height: 4px; background: transparent; }
.site-nav a:hover::after, .site-nav a.is-active::after { background: var(--cyan); }
.version-link { padding: 8px 11px; border: 1px solid var(--ink); font-family: var(--mono); font-size: 10px; font-weight: 800; text-decoration: none; text-transform: uppercase; }

.section { scroll-margin-top: 72px; border-bottom: 2px solid var(--ink); }
.section-inner { width: min(100%, var(--max)); margin: 0 auto; padding: clamp(58px, 6vw, 100px) clamp(22px, 4vw, 68px); }
.section-head { display: flex; justify-content: space-between; gap: 50px; align-items: end; padding-bottom: 24px; border-bottom: 2px solid var(--ink); }
.section-head > div { max-width: 1050px; }
.section-index { display: block; color: var(--cyan-dark); font-family: var(--mono); font-size: 11px; font-weight: 900; letter-spacing: .08em; }
.section-head h2, .mechanism-grid h2 { margin: 12px 0 0; overflow-wrap: anywhere; font-family: var(--display); font-size: clamp(52px, 5.6vw, 96px); font-weight: 900; letter-spacing: -.025em; line-height: .87; text-transform: uppercase; }
.section-head > p { max-width: 480px; margin: 0 0 3px; color: var(--muted); font-size: 14px; line-height: 1.55; }

.hero { min-height: calc(100vh - 72px); }
.hero-grid { min-height: calc(100vh - 142px); display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(38px, 6vw, 96px); align-items: center; }
.hero-copy h1 { max-width: 920px; margin: 0; overflow-wrap: anywhere; font-family: var(--display); font-size: clamp(64px, 6.6vw, 116px); font-weight: 900; letter-spacing: -.028em; line-height: .91; text-transform: uppercase; }
.hero-copy p { max-width: 720px; margin: 30px 0 34px; color: var(--ink-soft); font-size: clamp(17px, 1.5vw, 24px); line-height: 1.52; }
.primary-action { width: fit-content; display: flex; gap: 16px; align-items: center; padding: 19px 30px; color: var(--cyan-dark); border: 2px solid var(--cyan); font-size: 16px; font-weight: 850; text-decoration: none; }
.primary-action:hover { color: #fff; background: var(--cyan-dark); border-color: var(--cyan-dark); }
.hero-evidence { min-width: 0; margin: 0; }
.hero-media { position: relative; aspect-ratio: 4 / 4.25; overflow: hidden; border: 2px solid var(--ink); background: var(--ink); }
.hero-media img:first-child { width: 64%; height: 100%; display: block; object-fit: cover; object-position: center top; }
.hero-media img:last-child { position: absolute; right: 0; bottom: 0; width: 54%; height: 72%; display: block; border-top: 2px solid var(--ink); border-left: 2px solid var(--ink); object-fit: cover; object-position: center center; }
.hero-evidence figcaption { padding: 12px 0; font-size: 13px; text-align: right; }
.hero-next { width: min(calc(100% - 44px), calc(var(--max) - 136px)); margin: 0 auto; padding: 28px 0 22px; border-top: 1px solid var(--line); font-family: var(--display); font-size: clamp(34px, 3.6vw, 62px); text-transform: none; }

.bank-section { background: #f8fbfc; }
.bank-principle { display: grid; grid-template-columns: 160px minmax(0, 1fr) 330px; gap: 24px; align-items: center; margin-top: 28px; padding: 22px 24px; color: #fff; background: var(--ink); border-top: 5px solid var(--cyan); }
.bank-principle > span, .bank-rule > span { color: var(--cyan); font: 850 9px/1.2 var(--mono); letter-spacing: .04em; text-transform: uppercase; }
.bank-principle strong { font-family: var(--display); font-size: clamp(24px, 2.6vw, 40px); line-height: .95; text-transform: uppercase; }
.bank-principle p { margin: 0; color: rgba(255,255,255,.68); font-size: 12px; line-height: 1.45; }
.bank-subhead { display: flex; justify-content: space-between; gap: 40px; align-items: end; margin-top: 58px; padding-bottom: 18px; border-bottom: 2px solid var(--ink); }
.bank-subhead h3 { margin: 10px 0 0; font-family: var(--display); font-size: clamp(34px, 3.5vw, 56px); line-height: .9; text-transform: uppercase; }
.bank-subhead > p { max-width: 420px; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.45; }
.hook-bank-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin-top: 24px; background: var(--line); }
.hook-bank-card { display: grid; grid-template-columns: minmax(170px, .42fr) minmax(0, 1fr); min-width: 0; background: #fff; }
.hook-bank-card-top { position: relative; min-height: 250px; overflow: hidden; background: var(--ink); }
.hook-bank-card-top img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: center top; }
.hook-bank-card-top span { position: absolute; right: 10px; bottom: 10px; padding: 5px 7px; color: var(--ink); background: #fff; font: 850 9px/1 var(--mono); text-transform: uppercase; }
.hook-bank-card-body { min-width: 0; padding: 22px; }
.hook-bank-card-body h4, .visual-bank-card h4 { margin: 0; font-family: var(--display); font-size: 28px; line-height: .95; text-transform: uppercase; }
.hook-bank-card blockquote { margin: 18px 0 9px; color: var(--ink); font-size: 18px; font-weight: 850; line-height: 1.08; }
.hook-examples { margin: 0 0 18px; color: var(--muted); font: 10px/1.4 var(--mono); }
.bank-rule { padding: 12px 0; border-top: 1px solid var(--line); }
.bank-rule p { margin: 6px 0 0; color: var(--ink-soft); font-size: 11px; line-height: 1.45; }
.accent-orange { border-top: 4px solid var(--orange); }
.accent-violet { border-top: 4px solid var(--violet); }
.accent-cyan { border-top: 4px solid var(--cyan); }
.accent-ink { border-top: 4px solid var(--ink); }
.visual-bank-subhead { margin-top: 72px; }
.visual-bank-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin-top: 24px; background: var(--line); }
.visual-bank-card { min-width: 0; padding: 14px; background: #fff; }
.visual-bank-card figure { margin: 0 0 18px; border: 1px solid var(--ink); background: var(--ink); }
.visual-bank-card figure img { width: 100%; aspect-ratio: 2.25 / 1; display: block; object-fit: cover; object-position: top; }
.visual-bank-card figcaption { display: flex; justify-content: space-between; gap: 10px; padding: 8px 9px; color: #fff; background: var(--ink); font: 850 9px/1 var(--mono); text-transform: uppercase; }
.visual-bank-card figcaption span { color: var(--cyan); }
.visual-bank-card h4 { font-size: 24px; }
.visual-bank-card > div > p { margin: 10px 0 0; color: var(--muted); font-size: 11px; line-height: 1.45; }
.visual-bank-card .visual-formula { color: var(--cyan-dark); font: 850 10px/1.25 var(--mono); text-transform: uppercase; }
.script-bank-section { background: #fff; }
.script-bank-rule { display: grid; grid-template-columns: 180px 1fr; gap: 10px 24px; align-items: start; margin-top: 28px; padding: 20px 22px; border: 1px solid var(--ink); border-top: 5px solid var(--cyan); }
.script-bank-rule strong { color: var(--cyan-dark); font: 850 9px/1.2 var(--mono); letter-spacing: .04em; text-transform: uppercase; }
.script-bank-rule span { color: var(--ink-soft); font-size: 12px; line-height: 1.45; }
.aidemia-script-list { margin-top: 30px; border-top: 2px solid var(--ink); }
.aidemia-script-card { border-bottom: 1px solid var(--line); }
.aidemia-script-trigger { width: 100%; display: grid; grid-template-columns: 68px 170px minmax(170px, .86fr) minmax(190px, 1.1fr) auto; gap: 18px; align-items: center; min-height: 104px; padding: 15px 0; color: var(--ink); text-align: left; border: 0; background: #fff; }
.aidemia-script-trigger:hover { background: var(--soft); }
.aidemia-script-card.is-open .aidemia-script-trigger { color: #fff; background: var(--ink); box-shadow: inset 5px 0 0 var(--cyan); }
.script-number { width: 44px; height: 44px; display: grid; place-items: center; color: #fff; background: var(--ink); font: 900 14px/1 var(--mono); }
.aidemia-script-card.is-open .script-number { color: var(--ink); background: var(--cyan); }
.script-product strong { display: block; font-size: 12px; text-transform: uppercase; }
.script-product small { display: block; margin-top: 6px; color: var(--muted); font: 700 9px/1.25 var(--mono); text-transform: uppercase; }
.aidemia-script-card.is-open .script-product small { color: rgba(255,255,255,.62); }
.script-source > span, .script-header > span, .script-copy-block > span, .script-beat-block > span { color: var(--cyan-dark); font: 850 8px/1.1 var(--mono); letter-spacing: .04em; text-transform: uppercase; }
.script-source p, .script-header p { margin: 7px 0 0; font-size: 11px; line-height: 1.35; }
.script-source p { color: var(--muted); }
.script-header p { font-weight: 850; }
.aidemia-script-card.is-open .script-source > span, .aidemia-script-card.is-open .script-header > span { color: var(--cyan); }
.aidemia-script-card.is-open .script-source p { color: rgba(255,255,255,.64); }
.script-open-label { color: var(--cyan-dark); font: 850 9px/1.2 var(--mono); text-align: right; text-transform: uppercase; white-space: nowrap; }
.aidemia-script-card.is-open .script-open-label { color: var(--cyan); }
.aidemia-script-detail { display: grid; grid-template-columns: 1.05fr .95fr; gap: 1px; padding: 0 68px 24px; color: var(--ink); background: var(--line); }
.script-copy-block, .script-beat-block { padding: 22px; background: #fff; }
.script-source-video { display: grid; grid-template-columns: 150px 1fr; gap: 14px; align-items: start; margin: 0 0 22px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.script-source-video-frame { min-height: 212px; display: grid; place-items: center; overflow: hidden; background: var(--ink); border: 1px solid var(--ink); }
.script-source-video video { width: 100%; max-height: 250px; display: block; background: #000; object-fit: contain; }
.script-source-video > div:last-child > span { display: block; margin-top: 0; color: var(--cyan-dark); font: 850 8px/1.2 var(--mono); letter-spacing: .04em; text-transform: uppercase; }
.script-source-video > div:last-child > p { margin: 9px 0 16px; color: var(--ink); font-size: 12px; font-weight: 800; line-height: 1.35; }
.script-source-video button { padding: 0 0 5px; color: var(--cyan-dark); border: 0; border-bottom: 1px solid var(--cyan-dark); background: transparent; font: 850 9px/1.2 var(--mono); text-transform: uppercase; }
.script-copy-block > span, .script-beat-block > span { display: block; margin-top: 20px; }
.script-copy-block > span:first-child, .script-beat-block > span:first-child { margin-top: 0; }
.script-copy-block p { margin: 8px 0 0; color: var(--ink-soft); font-size: 12px; line-height: 1.5; }
.script-copy-block .script-opening { color: var(--cyan-dark); font-weight: 800; }
.script-copy-block .script-voice { padding: 15px; color: #fff; background: var(--ink); border-top: 4px solid var(--cyan); }
.script-copy-block .script-cta { color: var(--ink); font-weight: 850; }
.script-beat-block ol { margin: 14px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.script-beat-block li { display: grid; grid-template-columns: 64px 1fr; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.script-beat-block li b { color: var(--cyan-dark); font: 850 9px/1.3 var(--mono); }
.script-beat-block li p { margin: 0; color: var(--ink-soft); font-size: 11px; line-height: 1.4; }
.script-boundary { margin-top: 18px; padding: 14px; border: 1px solid var(--orange); background: var(--orange-soft); }
.script-boundary span { color: var(--orange); font: 850 8px/1.2 var(--mono); text-transform: uppercase; }
.script-boundary p { margin: 7px 0 0; color: var(--ink-soft); font-size: 11px; line-height: 1.4; }
.hook-units-head { display: flex; justify-content: space-between; gap: 40px; align-items: end; margin-top: 62px; padding-bottom: 18px; border-bottom: 2px solid var(--ink); }
.hook-units-head h3 { margin: 10px 0 0; font-family: var(--display); font-size: clamp(32px, 3.2vw, 52px); line-height: .9; text-transform: uppercase; }
.hook-units-head > p { max-width: 430px; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.45; }
.hook-filter-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0; }
.hook-filter { padding: 9px 12px; color: var(--ink); border: 1px solid var(--ink); background: #fff; font: 850 9px/1 var(--mono); text-transform: uppercase; }
.hook-filter:hover, .hook-filter.is-active { color: #fff; background: var(--ink); }
.hook-filter.is-active { box-shadow: inset 0 -3px 0 var(--cyan); }
.hook-units-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); }
.hook-unit-card { min-width: 0; background: #fff; }
.hook-unit-preview { position: relative; width: 100%; display: block; padding: 0; overflow: hidden; color: #fff; text-align: left; border: 0; background: var(--ink); }
.hook-unit-preview img { width: 100%; aspect-ratio: 2.5 / 1; display: block; object-fit: cover; object-position: center top; transition: transform .2s ease, opacity .2s ease; }
.hook-unit-preview:hover img { opacity: .78; transform: scale(1.025); }
.hook-play { position: absolute; left: 10px; bottom: 9px; padding: 7px 9px; color: var(--ink); background: #fff; font: 850 9px/1 var(--mono); text-transform: uppercase; }
.hook-unit-preview > b { position: absolute; top: 9px; right: 9px; padding: 5px 7px; color: #fff; background: var(--ink); font: 850 9px/1 var(--mono); }
.hook-unit-copy { padding: 16px; }
.hook-unit-meta { display: flex; justify-content: space-between; gap: 8px; align-items: center; color: var(--cyan-dark); font: 850 9px/1.2 var(--mono); text-transform: uppercase; }
.hook-unit-meta small { max-width: 56%; overflow: hidden; color: var(--muted); font-size: 8px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; text-transform: none; }
.hook-unit-copy h4 { margin: 12px 0 13px; font-family: var(--display); font-size: 23px; line-height: .95; text-transform: uppercase; }
.hook-unit-copy p { margin: 8px 0 0; color: var(--ink-soft); font-size: 10px; line-height: 1.4; }
.hook-unit-copy p span { display: block; margin-bottom: 4px; color: var(--cyan-dark); font: 850 8px/1 var(--mono); text-transform: uppercase; }
.hook-unit-header { padding-top: 10px; border-top: 1px solid var(--line); }
.hook-unit-opening { color: var(--muted) !important; }
.hook-unit-logic { padding-top: 10px; border-top: 1px solid var(--line); }
.media-dialog { width: min(96vw, 1760px); }
.hook-dialog-panel { display: grid; grid-template-columns: minmax(300px, .72fr) minmax(360px, .28fr); min-height: min(80vh, 900px); color: #fff; background: var(--ink); border: 2px solid #fff; }
.hook-dialog-media { display: grid; place-items: center; min-width: 0; background: #000; }
.hook-dialog-media video { width: 100%; height: 100%; max-height: 84vh; display: block; object-fit: contain; }
.hook-dialog-copy { min-width: 0; overflow: auto; padding: 32px; border-left: 1px solid rgba(255,255,255,.2); }
.hook-dialog-kicker { display: flex; justify-content: space-between; gap: 12px; color: var(--cyan); font: 850 9px/1.2 var(--mono); text-transform: uppercase; }
.hook-dialog-copy h2 { margin: 28px 0 24px; font-family: var(--display); font-size: clamp(34px, 4vw, 64px); line-height: .9; text-transform: uppercase; }
.hook-dialog-row { padding: 18px 0; border-top: 1px solid rgba(255,255,255,.22); }
.hook-dialog-row > span { color: var(--cyan); font: 850 9px/1.2 var(--mono); text-transform: uppercase; }
.hook-dialog-row p { margin: 9px 0 0; color: rgba(255,255,255,.78); font-size: 14px; line-height: 1.45; }
.hook-dialog-why { border-top-color: var(--violet); }
.hook-dialog-why > span { color: #c0b1ff; }

.case-workspace { display: grid; grid-template-columns: minmax(300px, .72fr) minmax(310px, .62fr) minmax(460px, 1fr); gap: 32px; margin-top: 30px; }
.video-column, .scene-rail-wrap, .scene-inspector { min-width: 0; }
.video-frame { min-height: 580px; display: grid; place-items: center; overflow: hidden; background: var(--ink); border: 1px solid var(--ink); }
.video-frame video { width: 100%; max-height: 680px; display: block; background: #000; object-fit: contain; }
.video-caption { display: flex; justify-content: space-between; gap: 16px; padding: 9px 0; color: var(--muted); font-family: var(--mono); font-size: 9px; text-transform: uppercase; }
.scene-rail-wrap h3, .scene-inspector > h3 { margin: 0 0 12px; padding-bottom: 10px; border-bottom: 1px solid var(--line); font-size: 13px; text-transform: uppercase; }
.scene-rail { display: grid; gap: 0; border: 1px solid var(--line); }
.scene-button { width: 100%; display: grid; grid-template-columns: 110px 1fr; gap: 15px; align-items: center; min-height: 118px; padding: 12px; color: var(--ink); text-align: left; border: 0; border-bottom: 1px solid var(--line); background: #fff; }
.scene-button:last-child { border-bottom: 0; }
.scene-button:hover { background: var(--soft); }
.scene-button.is-active { box-shadow: inset 0 0 0 3px var(--cyan); background: #f3fcfe; }
.scene-button img { width: 110px; height: 92px; display: block; object-fit: cover; }
.scene-button span { color: var(--cyan-dark); font-family: var(--mono); font-size: 11px; font-weight: 850; }
.scene-button strong { display: block; margin-top: 8px; font-size: 17px; }
.scene-inspector { border-left: 1px solid var(--line); padding-left: 28px; }
.reasoning-row { display: grid; grid-template-columns: 74px minmax(0, 1fr); gap: 16px; padding: 15px 0; border-bottom: 2px solid var(--cyan); }
.reasoning-row > span { align-self: start; padding: 7px 6px; font-family: var(--mono); font-size: 8px; font-weight: 900; text-align: center; text-transform: uppercase; }
.reasoning-row strong { display: block; color: var(--cyan-dark); font-size: 12px; text-transform: uppercase; }
.reasoning-row p { margin: 7px 0 0; color: var(--ink-soft); font-size: 14px; line-height: 1.45; }
.type-fact > span { color: var(--cyan-dark); background: #e9fafe; }
.type-interpretation { border-color: var(--violet); }
.type-interpretation > span { color: #6f55ce; background: var(--violet-soft); }
.type-interpretation strong { color: #7358d1; }
.type-decision > span { color: #fff; background: var(--ink); }
.type-decision strong { color: var(--ink); }
.type-boundary { border-color: var(--orange); }
.type-boundary > span { color: var(--orange); background: var(--orange-soft); }
.type-boundary strong { color: var(--orange); }
.case-conclusion { display: flex; gap: 22px; align-items: center; margin-top: 28px; padding: 22px 0 0; border-top: 2px solid var(--ink); }
.case-conclusion span { color: var(--cyan); font-size: 60px; font-weight: 200; }
.case-conclusion strong { font-family: var(--display); font-size: clamp(36px, 4vw, 68px); line-height: .93; text-transform: uppercase; }
.case-pack-link { margin-top: 22px; padding: 18px 22px; display: grid; grid-template-columns: 220px 1fr auto; gap: 24px; align-items: center; color: var(--ink); border: 1px solid var(--ink); text-decoration: none; }
.case-pack-link:hover { background: var(--cyan-pale); }
.case-pack-link span { color: var(--cyan-dark); font: 800 9px/1.2 var(--mono); text-transform: uppercase; }
.case-pack-link strong { font-size: 15px; }
.case-pack-link b { color: var(--cyan-dark); font-size: 20px; }

.microscope-case-selector { margin-top: 28px; border: 1px solid var(--ink); }
.microscope-case-selector-head { display: flex; justify-content: space-between; gap: 20px; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--ink); }
.microscope-case-selector-head span { color: var(--cyan-dark); font: 850 10px/1 var(--mono); text-transform: uppercase; }
.microscope-case-selector-head strong { font-size: 12px; text-transform: uppercase; }
.microscope-case-tabs { display: grid; grid-template-columns: repeat(6, minmax(150px, 1fr)); }
.microscope-case-tab { min-width: 0; min-height: 90px; display: grid; grid-template-columns: 34px 1fr; gap: 12px; align-items: start; padding: 15px 14px; color: var(--ink); text-align: left; border: 0; border-right: 1px solid var(--line); background: #fff; }
.microscope-case-tab:last-child { border-right: 0; }
.microscope-case-tab:hover { background: var(--soft); }
.microscope-case-tab.is-active { color: #fff; background: var(--ink); box-shadow: inset 0 -4px 0 var(--cyan); }
.microscope-case-tab > span { color: var(--cyan-dark); font: 900 11px/1 var(--mono); }
.microscope-case-tab.is-active > span { color: var(--cyan); }
.microscope-case-tab strong { display: block; font-size: 11px; line-height: 1.2; }
.microscope-case-tab small { display: block; margin-top: 7px; color: var(--muted); font: 700 8px/1.25 var(--mono); text-transform: uppercase; }
.microscope-case-tab.is-active small { color: rgba(255,255,255,.68); }

.mechanism-section { color: #fff; background: var(--ink); }
.mechanism-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 60px; align-items: start; }
.mechanism-grid h2 { color: #fff; }
.section-lead { max-width: 560px; color: rgba(255,255,255,.66); font-size: 15px; line-height: 1.55; }
.causal-chain { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 0; padding: 0; list-style: none; background: rgba(255,255,255,.25); }
.causal-chain li { min-height: 180px; padding: 21px; background: var(--ink); }
.causal-chain span { color: var(--cyan); font-family: var(--mono); font-size: 10px; font-weight: 800; }
.causal-chain strong { display: block; margin-top: 42px; font-size: 14px; text-transform: uppercase; }
.causal-chain p { margin: 9px 0 0; color: rgba(255,255,255,.6); font-size: 11px; line-height: 1.4; }

.mode-list { margin-top: 30px; border-top: 1px solid var(--ink); }
.mode-row { display: grid; grid-template-columns: 100px minmax(220px, .8fr) minmax(420px, 1.2fr) auto; gap: 26px; align-items: center; min-height: 184px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.mode-number { color: var(--cyan-dark); font-family: var(--display); font-size: 72px; text-align: center; }
.mode-copy h3 { margin: 0; font-family: var(--display); font-size: 32px; text-transform: uppercase; }
.mode-copy p { margin: 9px 0 0; color: var(--muted); font-size: 12px; line-height: 1.45; }
.mode-row img { width: 100%; aspect-ratio: 3.5 / 1; display: block; border: 1px solid var(--ink); object-fit: cover; object-position: top; }
.mode-row button, .storyboard-caption button { padding: 8px 0; color: var(--cyan-dark); border: 0; border-bottom: 1px solid var(--cyan-dark); background: transparent; font-family: var(--mono); font-size: 9px; font-weight: 850; text-transform: uppercase; }
.mode-detail { margin: -1px 0 28px; padding: 24px; color: #fff; background: var(--ink); border-top: 5px solid var(--cyan); }
.mode-detail h4 { margin: 0 0 10px; font-family: var(--display); font-size: 30px; text-transform: uppercase; }
.mode-detail p { max-width: 1000px; margin: 0; color: rgba(255,255,255,.72); font-size: 13px; line-height: 1.5; }
.mode-detail dl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 20px 0 0; background: rgba(255,255,255,.25); }
.mode-detail dl div { padding: 15px; background: var(--ink); }
.mode-detail dt { color: var(--cyan); font-family: var(--mono); font-size: 9px; font-weight: 850; text-transform: uppercase; }
.mode-detail dd { margin: 8px 0 0; font-size: 12px; line-height: 1.4; }
.evidence-ledger { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 30px; border-top: 2px solid var(--ink); border-bottom: 1px solid var(--ink); }
.evidence-ledger > div { display: grid; grid-template-columns: 120px 1fr; grid-template-rows: auto auto; gap: 3px 18px; padding: 24px; border-right: 1px solid var(--line); }
.evidence-ledger > div:last-child { border-right: 0; }
.evidence-ledger strong { grid-row: 1 / 3; color: var(--cyan-dark); font-family: var(--display); font-size: 50px; }
.evidence-ledger span { font-size: 12px; font-weight: 850; text-transform: uppercase; }
.evidence-ledger p { margin: 0; color: var(--muted); font-size: 10px; line-height: 1.4; }
.evidence-boundary { display: grid; grid-template-columns: 110px 1fr auto; gap: 22px; align-items: center; margin-top: 26px; padding: 18px 0; border-top: 1px solid var(--orange); border-bottom: 1px solid var(--orange); }
.evidence-boundary > span { color: var(--orange); font-family: var(--display); font-size: 26px; text-transform: uppercase; }
.evidence-boundary p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.45; }
.evidence-boundary a { color: var(--cyan-dark); font-family: var(--mono); font-size: 9px; font-weight: 850; text-decoration: none; text-transform: uppercase; }

.transfer-layout { display: grid; grid-template-columns: 1.45fr .55fr; gap: 38px; margin-top: 30px; }
.transfer-table-wrap { min-width: 0; }
.transfer-table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.transfer-table th { padding: 12px; color: #fff; background: var(--ink); border-right: 1px solid #fff; font-size: 11px; text-align: left; text-transform: uppercase; }
.transfer-table th:nth-child(2) { color: var(--ink); background: var(--violet-soft); }
.transfer-table td { padding: 18px 16px; vertical-align: top; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: 12px; line-height: 1.45; }
.transfer-table td strong { display: block; }
.transfer-table td span { display: block; margin-top: 6px; color: var(--muted); font-size: 10px; }
.not-transfer { padding-left: 28px; border-left: 2px solid var(--orange); }
.not-transfer h3 { margin: 0 0 12px; color: var(--orange); font-family: var(--display); font-size: 34px; text-transform: uppercase; }
.not-transfer ul { margin: 0; padding: 0; list-style: none; }
.not-transfer li { padding: 16px 0; border-bottom: 1px solid #efb18e; }
.not-transfer strong { display: block; font-size: 12px; }
.not-transfer span { display: block; margin-top: 5px; color: var(--muted); font-size: 11px; line-height: 1.4; }
.semantic-legend { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 30px; padding-top: 18px; border-top: 2px solid var(--ink); }
.semantic-legend span { display: flex; gap: 9px; align-items: center; font-size: 11px; font-weight: 750; }
.semantic-legend i { width: 16px; height: 16px; display: block; border: 2px solid; }
.legend-fact { border-color: var(--cyan) !important; }
.legend-interpretation { border-color: var(--violet) !important; }
.legend-decision { border-color: var(--ink) !important; }
.legend-boundary { border-color: var(--orange) !important; }

.master-layout { display: grid; grid-template-columns: 1.18fr .82fr; gap: 42px; margin-top: 30px; }
.master-storyboard { min-width: 0; margin: 0; }
.master-storyboard > button { width: 100%; display: block; padding: 0; border: 1px solid var(--ink); background: #fff; }
.master-storyboard img { width: 100%; display: block; }
.master-storyboard > button:hover img { opacity: .88; }
.master-storyboard figcaption { display: flex; justify-content: space-between; gap: 14px; align-items: center; padding: 11px 0; font-family: var(--mono); font-size: 9px; text-transform: uppercase; }
.master-storyboard figcaption button { padding: 0; color: var(--cyan-dark); border: 0; background: transparent; font-family: var(--mono); font-size: 9px; font-weight: 850; text-transform: uppercase; }
.master-anatomy h3 { margin: 0 0 18px; font-size: 14px; text-transform: uppercase; }
.master-timeline { margin: 0; padding: 0; list-style: none; border-top: 2px solid var(--ink); }
.master-timeline li { display: grid; grid-template-columns: 70px 1fr; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.master-timeline span { color: var(--cyan-dark); font-family: var(--mono); font-size: 10px; font-weight: 850; }
.master-timeline strong { font-size: 12px; }
.master-timeline p { grid-column: 2; margin: -6px 0 0; color: var(--muted); font-size: 11px; line-height: 1.4; }
.master-script { margin-top: 24px; padding: 19px; color: #fff; background: var(--ink); border-top: 5px solid var(--cyan); }
.master-script span { color: var(--cyan); font-family: var(--mono); font-size: 9px; font-weight: 850; text-transform: uppercase; }
.master-script p { margin: 12px 0 0; color: rgba(255,255,255,.78); font-size: 13px; line-height: 1.55; }
.master-chain { display: flex; justify-content: space-between; gap: 16px; align-items: center; margin-top: 32px; padding: 19px 26px; border: 1px solid var(--ink); font-family: var(--display); font-size: clamp(20px, 2vw, 31px); text-transform: uppercase; }
.master-chain i { color: var(--cyan-dark); font-family: var(--sans); font-style: normal; }

.compact-head h2 { max-width: 1050px; font-size: clamp(46px, 4.9vw, 80px); }
.awareness-rows { margin-top: 28px; border-top: 1px solid var(--ink); }
.awareness-row { border-bottom: 1px solid var(--line); }
.awareness-trigger { width: 100%; display: grid; grid-template-columns: 72px 210px 1fr 220px auto; gap: 18px; align-items: center; min-height: 82px; padding: 12px 0; color: var(--ink); text-align: left; border: 0; background: #fff; }
.awareness-trigger:hover { background: var(--soft); }
.awareness-row.is-base .awareness-trigger { color: #fff; background: var(--ink); }
.awareness-level-number { width: 44px; height: 44px; display: grid; place-items: center; color: #fff; background: var(--level-color); font-family: var(--display); font-size: 26px; }
.awareness-trigger h3 { margin: 0; font-size: 12px; text-transform: uppercase; }
.awareness-trigger p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.4; }
.awareness-row.is-base .awareness-trigger p { color: rgba(255,255,255,.68); }
.awareness-trigger strong { font-size: 11px; }
.awareness-trigger > span:last-child { color: var(--cyan-dark); font-family: var(--mono); font-size: 9px; font-weight: 850; text-transform: uppercase; }
.awareness-row.is-base .awareness-trigger > span:last-child { color: var(--cyan); }
.awareness-detail { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; padding: 0 72px 20px; background: var(--line); }
.awareness-detail > div { padding: 17px; background: #fff; }
.awareness-detail span { color: var(--cyan-dark); font-family: var(--mono); font-size: 9px; font-weight: 850; text-transform: uppercase; }
.awareness-detail p { margin: 8px 0 0; font-size: 12px; line-height: 1.45; }

.test-matrix { margin-top: 30px; border-top: 2px solid var(--ink); }
.test-matrix > div { display: grid; grid-template-columns: 190px 1fr 1fr; border-bottom: 1px solid var(--line); }
.test-matrix > div > * { margin: 0; padding: 16px; border-right: 1px solid var(--line); }
.test-matrix > div > *:last-child { border-right: 0; }
.test-matrix-head { color: #fff; background: var(--ink); }
.test-matrix-head span, .test-matrix-head strong { font-size: 12px; text-transform: uppercase; }
.test-matrix > div > span { display: flex; gap: 12px; align-items: center; font-size: 11px; font-weight: 800; }
.test-matrix > div > span b { color: var(--cyan-dark); font-family: var(--display); font-size: 30px; }
.test-matrix article strong { display: block; font-size: 12px; }
.test-matrix article p { margin: 7px 0 0; color: var(--muted); font-size: 11px; line-height: 1.4; }
.measurement-section { margin-top: 40px; }
.measurement-section h3 { margin: 0 0 16px; font-family: var(--display); font-size: 36px; text-transform: uppercase; }
.measurement-chain { display: grid; grid-template-columns: repeat(5, 1fr); margin: 0; padding: 0; list-style: none; border-top: 2px solid var(--ink); border-bottom: 1px solid var(--ink); }
.measurement-chain li { min-height: 160px; padding: 18px; border-right: 1px solid var(--line); }
.measurement-chain li:last-child { border-right: 0; }
.measurement-chain span { color: var(--cyan-dark); font-family: var(--mono); font-size: 9px; font-weight: 850; text-transform: uppercase; }
.measurement-chain strong { display: block; margin-top: 32px; font-size: 12px; }
.measurement-chain p { margin: 8px 0 0; color: var(--muted); font-size: 10px; line-height: 1.4; }
.measurement-note { margin: 13px 0 0; color: var(--muted); font-size: 11px; }
.later-note { display: grid; grid-template-columns: 280px 1fr; gap: 24px; align-items: center; margin-top: 30px; padding: 20px 22px; border: 1px solid var(--orange); }
.later-note strong { color: var(--orange); font-family: var(--display); font-size: 27px; text-transform: uppercase; }
.later-note p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.45; }
.site-footer { display: flex; justify-content: space-between; gap: 28px; margin-top: 42px; padding-top: 18px; border-top: 2px solid var(--ink); color: var(--muted); font-size: 10px; }
.site-footer p { margin: 0; }
.site-footer div { display: flex; gap: 20px; }
.site-footer a { color: var(--cyan-dark); font-family: var(--mono); font-weight: 850; text-decoration: none; text-transform: uppercase; }

.media-dialog { width: min(96vw, 1760px); max-width: none; padding: 0; border: 0; background: transparent; }
.media-dialog::backdrop { background: rgba(7,24,36,.93); }
.media-dialog img { width: 100%; display: block; border: 2px solid #fff; }
.dialog-close { position: fixed; z-index: 2; top: 18px; right: 22px; width: 44px; height: 44px; display: grid; place-items: center; color: #fff; border: 1px solid #fff; background: var(--ink); font-size: 28px; }

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

@media (max-width: 1180px) {
  .site-header { grid-template-columns: auto 1fr auto; }
  .site-nav a { padding: 0 13px; }
  .hero-grid { grid-template-columns: 1fr 420px; }
  .case-workspace { grid-template-columns: 360px 1fr; }
  .scene-inspector { grid-column: 1 / -1; border-top: 1px solid var(--line); border-left: 0; padding: 24px 0 0; }
  .mode-row { grid-template-columns: 80px 260px 1fr; }
  .mode-row button { grid-column: 2 / -1; justify-self: start; }
  .transfer-layout, .master-layout { grid-template-columns: 1fr; }
  .not-transfer { padding: 24px 0 0; border-top: 2px solid var(--orange); border-left: 0; }
  .bank-principle { grid-template-columns: 140px 1fr; }
  .bank-principle p { grid-column: 2; }
  .hook-bank-card { grid-template-columns: 150px minmax(0, 1fr); }
  .hook-units-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .aidemia-script-trigger { grid-template-columns: 60px 150px 1fr auto; }
  .script-source { display: none; }
  .hook-dialog-panel { grid-template-columns: 1fr; }
  .hook-dialog-copy { max-height: 44vh; border-top: 1px solid rgba(255,255,255,.2); border-left: 0; }
}

@media (max-width: 820px) {
  .site-header { min-height: 60px; grid-template-columns: 1fr auto; padding: 0 16px; }
  .brand { font-size: 18px; }
  .brand-mark { width: 30px; height: 30px; font-size: 19px; }
  .site-nav { display: none; }
  .version-link { justify-self: end; }
  .section { scroll-margin-top: 60px; }
  .section-inner { padding: 50px 18px; }
  .section-head { display: block; }
  .section-head h2, .mechanism-grid h2 { font-size: clamp(40px, 11.2vw, 52px); }
  .section-head > p { margin-top: 18px; }
  .hero { min-height: 0; }
  .hero-grid { min-height: 0; grid-template-columns: 1fr; padding-top: 54px; }
  .hero-copy h1 { font-size: clamp(48px, 14vw, 68px); }
  .hero-copy p { font-size: 16px; }
  .primary-action { width: 100%; justify-content: center; text-align: center; }
  .hero-media { aspect-ratio: 1 / 1; }
  .hero-next { width: calc(100% - 36px); font-size: 35px; }
  .bank-principle { grid-template-columns: 1fr; gap: 12px; padding: 20px; }
  .bank-principle p { grid-column: auto; }
  .bank-subhead { display: block; }
  .bank-subhead > p { margin-top: 15px; }
  .hook-bank-grid, .visual-bank-grid { grid-template-columns: 1fr; }
  .hook-bank-card { grid-template-columns: 120px minmax(0, 1fr); }
  .hook-bank-card-top { min-height: 220px; }
  .hook-units-head { display: block; }
  .hook-units-head > p { margin-top: 15px; }
  .hook-units-grid { grid-template-columns: 1fr; }
  .hook-dialog-copy { padding: 22px; }
  .script-bank-rule { grid-template-columns: 1fr; gap: 8px; }
  .aidemia-script-trigger { grid-template-columns: 54px 1fr auto; gap: 13px; min-height: 96px; }
  .script-product { grid-column: 2; }
  .script-header { grid-column: 2; }
  .script-open-label { grid-column: 3; grid-row: 1 / 3; }
  .aidemia-script-detail { grid-template-columns: 1fr; padding: 0 0 18px; }
  .script-source-video { grid-template-columns: 118px 1fr; }
  .script-source-video-frame { min-height: 172px; }
  .case-workspace { grid-template-columns: 1fr; }
  .video-frame { min-height: 0; }
  .video-frame video { max-height: 72vh; }
  .scene-rail-wrap { min-width: 0; }
  .scene-rail { display: flex; overflow-x: auto; }
  .scene-button { min-width: 235px; grid-template-columns: 86px 1fr; border-right: 1px solid var(--line); border-bottom: 0; }
  .scene-button img { width: 86px; height: 78px; }
  .scene-inspector { grid-column: auto; }
  .reasoning-row { grid-template-columns: 62px 1fr; }
  .case-conclusion { align-items: flex-start; }
  .case-conclusion strong { font-size: 38px; }
  .case-pack-link { grid-template-columns: 1fr auto; }
  .case-pack-link span { grid-column: 1 / -1; }
  .microscope-case-tabs { display: flex; overflow-x: auto; }
  .microscope-case-tab { flex: 0 0 210px; border-right: 1px solid var(--line); }
  .mechanism-grid { grid-template-columns: 1fr; gap: 28px; }
  .causal-chain { grid-template-columns: 1fr 1fr; }
  .causal-chain li { min-height: 145px; }
  .causal-chain strong { margin-top: 28px; }
  .mode-row { grid-template-columns: 70px 1fr; gap: 16px; }
  .mode-row img, .mode-row button { grid-column: 1 / -1; }
  .mode-row img { aspect-ratio: 2.8 / 1; }
  .mode-detail dl { grid-template-columns: 1fr; }
  .evidence-ledger { grid-template-columns: 1fr; }
  .evidence-ledger > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .evidence-boundary { grid-template-columns: 1fr; gap: 10px; }
  .transfer-table-wrap { overflow-x: auto; }
  .transfer-table { min-width: 720px; }
  .semantic-legend { grid-template-columns: 1fr 1fr; }
  .master-chain { justify-content: flex-start; overflow-x: auto; white-space: nowrap; }
  .awareness-trigger { grid-template-columns: 56px 1fr auto; }
  .awareness-trigger > p, .awareness-trigger > strong { grid-column: 2 / -1; }
  .awareness-detail { grid-template-columns: 1fr; padding: 0 0 18px; }
  .test-matrix { overflow-x: auto; }
  .test-matrix > div { min-width: 760px; }
  .measurement-chain { grid-template-columns: 1fr; }
  .measurement-chain li { min-height: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .measurement-chain strong { margin-top: 15px; }
  .later-note { grid-template-columns: 1fr; }
  .site-footer { display: block; }
  .site-footer div { flex-direction: column; gap: 9px; margin-top: 16px; }
}