:root {
  --cobalt: #2927bd;
  --cobalt-2: #1a188a;
  --cobalt-3: #0e0d4f;
  --ink: #101124;
  --navy: #18192f;
  --cream: #f7f0e3;
  --cream-2: #fbf7ef;
  --line: rgba(16, 17, 36, .16);
  --line-blue: rgba(41, 39, 189, .24);
  --muted: rgba(16, 17, 36, .66);
  --rose: #e86e78;
  --gold: #d9a83d;
  --mint: #67b5a7;
  --teal: #0d6f66;
  --teal-2: #0b3f3b;
  --violet: #8e62d1;
  --white: #fffaf0;
  --radius: 8px;
  --font: "Aptos", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --slide-pad-x: 3.45rem;
  --slide-pad-y: 2.55rem;
  --t-fast: 220ms;
  --t-med: 520ms;
  --t-slow: 1200ms;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; }
html, body { width: 100%; height: 100%; margin: 0; }
html { background: var(--cream); }
body {
  --page-bg: radial-gradient(circle at 86% 7%, rgba(41,39,189,.12), transparent 28%), linear-gradient(135deg, var(--cream-2), var(--cream));
  display: grid;
  place-items: center;
  overflow: hidden;
  color: var(--ink);
  font-family: var(--font);
  background: var(--page-bg);
  transition: background .35s ease;
}
body[data-theme="dark"] { --page-bg: radial-gradient(circle at 78% 22%, rgba(255,250,240,.15), transparent 23%), radial-gradient(circle at 15% 82%, rgba(232,110,120,.16), transparent 22%), linear-gradient(135deg, var(--cobalt), var(--cobalt-3)); }
body[data-theme="teal"] { --page-bg: radial-gradient(circle at 82% 14%, rgba(255,250,240,.14), transparent 23%), linear-gradient(135deg, var(--teal), var(--teal-2)); }
button, a { font: inherit; }
button { color: inherit; }
button, [role="button"] { touch-action: manipulation; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }
.skip-link { position: fixed; z-index: 99; top: .5rem; left: .5rem; padding: .65rem .9rem; color: var(--ink); background: var(--white); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.deck { position: relative; width: min(100vw, 177.7778vh); height: min(56.25vw, 100vh); overflow: hidden; background: var(--page-bg); isolation: isolate; }
.slides { position: relative; width: 100%; height: 100%; }
.slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: .9rem;
  padding: var(--slide-pad-y) var(--slide-pad-x) 1.85rem;
  overflow: hidden;
  background: radial-gradient(circle at 88% 5%, rgba(41,39,189,.11), transparent 28%), linear-gradient(135deg, var(--cream-2), var(--cream));
  opacity: 0;
  transform: translateX(4rem) scale(.985);
  transition: opacity var(--t-med) var(--ease), transform var(--t-med) var(--ease);
  pointer-events: none;
}
.slide.is-active { z-index: 3; opacity: 1; transform: translateX(0) scale(1); pointer-events: auto; }
.slide.is-prev { transform: translateX(-4rem) scale(.985); }
.slide.dark { color: var(--white); background: radial-gradient(circle at 78% 22%, rgba(255,250,240,.15), transparent 23%), radial-gradient(circle at 15% 82%, rgba(232,110,120,.16), transparent 22%), linear-gradient(135deg, var(--cobalt), var(--cobalt-3)); }
.slide.teal { color: var(--white); background: radial-gradient(circle at 82% 14%, rgba(255,250,240,.14), transparent 23%), radial-gradient(circle at 16% 85%, rgba(217,168,61,.16), transparent 22%), linear-gradient(135deg, var(--teal), var(--teal-2)); }
.topbar, .footer { display: flex; align-items: center; justify-content: space-between; min-height: 1.2rem; position: relative; z-index: 4; }
.wordmark { display: inline-flex; align-items: baseline; gap: .4rem; color: var(--cobalt); font-size: .72rem; font-weight: 950; text-transform: uppercase; }
.wordmark span { font-weight: 650; color: var(--muted); text-transform: none; }
.dark .wordmark, .teal .wordmark { color: var(--white); }
.dark .wordmark span, .teal .wordmark span { color: rgba(255,250,240,.72); }
.counter { font-size: .72rem; font-weight: 850; color: var(--cobalt); font-variant-numeric: tabular-nums; }
.dark .counter, .teal .counter { color: var(--white); }
.footer { padding-right: 7.1rem; font-size: .65rem; color: var(--muted); }
.dark .footer, .teal .footer { color: rgba(255,250,240,.72); }
.footer strong { color: var(--cobalt); }
.dark .footer strong, .teal .footer strong { color: var(--gold); }
.content { min-height: 0; display: grid; align-content: center; position: relative; z-index: 2; }
.kicker { margin: 0 0 .55rem; color: var(--cobalt); font-size: .72rem; line-height: 1; font-weight: 950; text-transform: uppercase; }
.dark .kicker, .teal .kicker { color: var(--gold); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 1rem; font-size: clamp(3.1rem, 5.7vw, 6.5rem); line-height: .9; letter-spacing: -.055em; font-weight: 950; }
h2 { margin-bottom: .72rem; max-width: 15ch; color: var(--ink); font-size: clamp(2.25rem, 3.45vw, 4rem); line-height: .95; letter-spacing: -.045em; font-weight: 950; }
.dark h2, .teal h2 { color: var(--white); }
h3 { margin-bottom: .4rem; color: var(--ink); font-size: 1.02rem; line-height: 1.08; font-weight: 900; }
.dark h3, .teal h3 { color: var(--white); }
.lead { max-width: 54rem; margin-bottom: 0; font-size: 1.05rem; line-height: 1.38; color: var(--muted); }
.dark .lead, .teal .lead { color: rgba(255,250,240,.86); }
.reveal { opacity: 0; transform: translateY(1rem); }
.slide.is-active .reveal { animation: riseIn var(--t-med) var(--ease) forwards; animation-delay: calc(var(--i, 0) * 105ms); }
@keyframes riseIn { to { opacity: 1; transform: translateY(0); } }

.split { grid-template-columns: .82fr 1.18fr; gap: 2.4rem; align-items: center; }
.callout { margin-top: 1.1rem; padding: .85rem 1rem; border-left: 4px solid var(--rose); background: rgba(232,110,120,.09); font-size: .84rem; line-height: 1.38; }
.callout strong { color: var(--ink); }

/* Cover */
.cover-grid { grid-template-columns: 1.12fr .88fr; gap: 3.5rem; align-items: center; }
.cover-copy-wrap { max-width: 50rem; }
.cover h1 em { color: var(--gold); font-style: normal; }
.cover-copy { max-width: 41rem; margin: 0; color: rgba(255,250,240,.84); font-size: 1.16rem; line-height: 1.42; }
.cover-system { position: relative; width: min(33vw, 29rem); aspect-ratio: 1; justify-self: center; }
.cover-system::before { content: ""; position: absolute; inset: 25%; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #4644dc, var(--cobalt-2)); box-shadow: 0 28px 70px rgba(3,2,38,.38); }
.cover-core { position: absolute; inset: 32%; display: grid; grid-template-columns: 1fr 1fr; place-items: center; gap: .05rem; color: var(--white); font-size: 2rem; font-weight: 950; }
.cover-core span:nth-child(2) { color: var(--gold); }
.cover-core span:nth-child(3) { color: var(--rose); }
.cover-core span:nth-child(4) { color: var(--mint); }
.orbit { position: absolute; border: 1px solid rgba(255,250,240,.24); border-radius: 50%; animation: spin 18s linear infinite; }
.orbit::after { content: ""; position: absolute; width: .7rem; height: .7rem; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 .45rem rgba(217,168,61,.14); }
.orbit-one { inset: 11%; }
.orbit-one::after { top: 12%; right: 12%; }
.orbit-two { inset: 1%; animation-direction: reverse; animation-duration: 28s; }
.orbit-two::after { left: 8%; bottom: 24%; background: var(--rose); box-shadow: 0 0 0 .45rem rgba(232,110,120,.14); }
.cover-note { position: absolute; padding: .55rem .75rem; border: 1px solid rgba(255,250,240,.24); background: rgba(255,250,240,.09); backdrop-filter: blur(8px); color: var(--white); font-size: .72rem; font-weight: 850; }
.note-a { top: 7%; right: -2%; }
.note-b { left: -5%; bottom: 24%; }
.note-c { right: -5%; bottom: 7%; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Evidence */
.score-quartet { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.score-card { min-height: 10.4rem; display: grid; grid-template-columns: auto 1fr; gap: .85rem; align-items: center; padding: 1.1rem; border: 1px solid var(--line); border-top: 5px solid var(--cobalt); background: rgba(255,250,240,.82); box-shadow: 0 16px 44px rgba(20,18,60,.07); }
.score-card > span { color: rgba(41,39,189,.14); font-size: 4.2rem; font-weight: 950; line-height: 1; }
.score-card b, .score-card strong, .score-card small { display: block; }
.score-card b { margin-bottom: .25rem; font-size: .84rem; }
.score-card strong { color: var(--cobalt); font-size: 2.25rem; line-height: 1; }
.score-card small { margin-top: .25rem; color: var(--muted); font-size: .68rem; }
.score-card.equity { border-top-color: var(--rose); }
.score-card.equity > span { color: rgba(232,110,120,.16); }
.score-card.equity strong { color: #b84955; }
.score-card.diversity { border-top-color: var(--gold); }
.score-card.diversity > span { color: rgba(217,168,61,.18); }
.score-card.diversity strong { color: #936a11; }
.score-card.inclusion { border-top-color: var(--teal); }
.score-card.inclusion > span { color: rgba(13,111,102,.15); }
.score-card.inclusion strong { color: var(--teal); }

/* Gap */
.gap-layout { grid-template-columns: .78fr 1.22fr; grid-template-rows: 1fr auto; gap: 1.2rem 3rem; align-items: center; }
.gap-heading h2 { max-width: 12ch; }
.gap-visual { display: grid; gap: .7rem; }
.gap-measure { padding: 1.1rem 1.25rem; border: 1px solid rgba(255,250,240,.2); background: rgba(255,250,240,.08); }
.gap-measure > div:first-child { display: grid; grid-template-columns: 1fr auto; gap: 1rem; align-items: end; }
.gap-measure span { max-width: 24rem; color: rgba(255,250,240,.86); font-size: .88rem; font-weight: 800; }
.gap-measure strong { color: var(--gold); font-size: 3.25rem; line-height: .85; }
.gap-measure.baseline strong { color: var(--rose); }
.meter { height: .5rem; margin-top: 1rem; overflow: hidden; background: rgba(255,250,240,.13); }
.meter i { display: block; width: var(--value); height: 100%; background: var(--gold); transform-origin: left; animation: grow 1.1s var(--ease) both .6s; }
.baseline .meter i { background: var(--rose); }
@keyframes grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.gap-pivot { display: flex; align-items: center; justify-content: center; gap: .75rem; color: rgba(255,250,240,.74); font-size: .68rem; font-weight: 900; text-transform: uppercase; }
.gap-pivot::before, .gap-pivot::after { content: ""; flex: 1; height: 1px; background: rgba(255,250,240,.19); }
.gap-pivot b { color: var(--gold); }
.baseline-note { grid-column: 1 / -1; margin: 0; padding: .75rem 1rem; border-left: 4px solid var(--gold); color: rgba(255,250,240,.8); background: rgba(255,250,240,.07); font-size: .77rem; line-height: 1.35; }

/* Feedback */
.feedback-layout { grid-template-columns: .72fr 1.28fr; gap: 2.6rem; align-items: center; }
.signal-map { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }
.signal { min-height: 10.5rem; padding: 1rem; border: 1px solid var(--line); background: rgba(255,250,240,.8); box-shadow: 0 14px 36px rgba(20,18,60,.06); }
.signal b { display: block; margin-bottom: .7rem; color: var(--cobalt); font-size: 1.35rem; }
.signal:nth-child(2) b { color: #b84955; }
.signal:nth-child(3) b { color: #936a11; }
.signal:nth-child(4) b { color: var(--teal); }
.signal h3 { font-size: .94rem; }
.signal p { margin: 0; color: var(--muted); font-size: .76rem; line-height: 1.37; }

/* Format */
.format-layout { grid-template-columns: .78fr 1.22fr; gap: 2.5rem; align-items: center; }
.format-system { display: grid; gap: .85rem; }
.preference-table-wrap { overflow: hidden; border: 1px solid rgba(255,250,240,.24); background: rgba(255,250,240,.07); }
.preference-table { width: 100%; border-collapse: collapse; color: var(--white); font-variant-numeric: tabular-nums; }
.preference-table caption { padding: .62rem .75rem; color: var(--gold); background: rgba(255,250,240,.06); font-size: .68rem; font-weight: 950; text-align: left; text-transform: uppercase; }
.preference-table th, .preference-table td { padding: .62rem .72rem; border-top: 1px solid rgba(255,250,240,.16); font-size: .7rem; line-height: 1.2; text-align: left; }
.preference-table thead th { color: rgba(255,250,240,.7); background: rgba(8,53,50,.28); font-size: .58rem; font-weight: 900; text-transform: uppercase; }
.preference-table tbody th { font-weight: 850; }
.preference-table td:nth-child(n+2), .preference-table thead th:nth-child(n+2) { text-align: center; }
.preference-table .top-format { background: rgba(217,168,61,.12); }
.preference-table .top-format th { box-shadow: inset 4px 0 0 var(--gold); }
.preference-table .top-format td:nth-child(3) { color: var(--gold); font-size: .9rem; font-weight: 950; }
.preference-table strong { display: inline-block; padding: .24rem .42rem; border-radius: 999px; color: var(--cobalt-3); background: var(--gold); font-size: .56rem; text-transform: uppercase; }
.rank-note { margin: 0; padding: .42rem .72rem; border-top: 1px solid rgba(255,250,240,.16); color: rgba(255,250,240,.7); font-size: .56rem; }
.format-equation { display: flex; flex-wrap: wrap; align-items: center; gap: .35rem; padding: .85rem; color: var(--ink); background: var(--cream); }
.format-equation span { flex: 1 1 7rem; padding: .5rem; border: 1px solid var(--line); font-size: .7rem; line-height: 1.2; font-weight: 850; text-align: center; }
.format-equation i { color: var(--rose); font-style: normal; font-weight: 950; }

/* Journey */
.journey-layout { grid-template-rows: auto auto auto; gap: 1rem; }
.journey-copy { display: grid; grid-template-columns: .85fr 1.15fr; gap: 2.2rem; align-items: end; }
.journey-copy h2 { margin: 0; max-width: 15ch; }
.journey-rail { display: grid; grid-template-columns: repeat(5, 1fr); gap: .5rem; margin: .25rem 0 0; padding: 0; list-style: none; }
.journey-rail li { position: relative; min-height: 8.4rem; padding: .75rem; border: 1px solid var(--line); border-top: 5px solid var(--cobalt); background: rgba(255,250,240,.82); }
.journey-rail li:nth-child(2) { border-top-color: var(--violet); }
.journey-rail li:nth-child(3) { border-top-color: var(--rose); }
.journey-rail li:nth-child(4) { border-top-color: var(--gold); }
.journey-rail li:nth-child(5) { border-top-color: var(--teal); }
.journey-rail li:not(:last-child)::after { content: "→"; position: absolute; z-index: 2; top: 44%; right: -.73rem; color: var(--rose); font-size: 1rem; font-weight: 950; }
.journey-rail b, .journey-rail span, .journey-rail small { display: block; }
.journey-rail b { color: var(--cobalt); font-size: 1.3rem; }
.journey-rail span { margin-top: 1rem; font-size: .92rem; font-weight: 950; }
.journey-rail small { margin-top: .3rem; color: var(--muted); font-size: .66rem; line-height: 1.25; }
.journey-rule { display: grid; grid-template-columns: auto 1fr; gap: .75rem; align-items: center; padding: .75rem 1rem; color: var(--white); background: var(--cobalt); }
.journey-rule strong { color: var(--gold); }
.journey-rule span { font-size: .78rem; }

/* Shared prototype shell */
.prototype-layout { grid-template-columns: .68fr 1.32fr; gap: 2rem; align-items: center; }
.prototype-layout.reverse { grid-template-columns: 1.32fr .68fr; }
.prototype-layout.reverse .prototype-copy { order: 2; }
.prototype-copy h2 { max-width: 13ch; }
.browser { overflow: hidden; min-height: 26rem; border: 1px solid rgba(255,250,240,.25); background: var(--cream-2); box-shadow: 0 30px 80px rgba(4,3,45,.28); color: var(--ink); }
.slide:not(.dark):not(.teal) .browser { border-color: var(--line-blue); box-shadow: 0 24px 60px rgba(28,25,95,.13); }
.browser-bar { height: 2rem; display: flex; align-items: center; gap: .33rem; padding: 0 .65rem; border-bottom: 1px solid var(--line); background: var(--cream); color: var(--muted); font-size: .58rem; font-weight: 800; }
.browser-bar i { width: .48rem; height: .48rem; border-radius: 50%; background: var(--rose); }
.browser-bar i:nth-child(2) { background: var(--gold); }
.browser-bar i:nth-child(3) { background: var(--mint); }
.browser-bar span { margin-left: .45rem; }
.browser-bar em { margin-left: auto; padding: .28rem .42rem; border-radius: 999px; color: var(--white); background: var(--cobalt); font-size: .52rem; font-style: normal; font-weight: 950; text-transform: uppercase; }
.dark .browser h3, .teal .browser h3 { color: var(--ink); }
.dark .browser .definition-detail h3, .teal .browser .definition-detail h3 { color: var(--white); }

/* Welcome prototype */
.welcome-ui { min-height: 24rem; display: grid; grid-template-columns: 10rem 1fr; }
.welcome-ui aside { display: grid; align-content: start; gap: .65rem; padding: 1rem; color: var(--white); background: var(--cobalt-3); }
.welcome-ui aside strong { color: var(--gold); font-size: .92rem; }
.welcome-ui aside span { margin-bottom: .7rem; font-size: .68rem; font-weight: 800; }
.welcome-ui aside small { padding: .55rem .6rem; border-left: 2px solid rgba(255,250,240,.2); color: rgba(255,250,240,.72); font-size: .61rem; }
.welcome-ui section { padding: 1.35rem; }
.ui-kicker { color: var(--cobalt); font-size: .58rem; font-weight: 950; text-transform: uppercase; }
.welcome-ui h3 { max-width: 17ch; margin: .5rem 0; font-size: 1.35rem; line-height: 1.04; }
.welcome-ui p { margin: 0; color: var(--muted); font-size: .72rem; }
.mini-journey { display: grid; grid-template-columns: repeat(5,1fr); gap: .32rem; margin: 1.25rem 0 .8rem; }
.mini-journey button { min-width: 0; padding: .68rem .2rem; border: 1px solid var(--line); background: transparent; color: var(--cobalt); font-weight: 950; cursor: pointer; }
.mini-journey button span { display: block; margin-top: .32rem; color: var(--muted); font-size: .49rem; font-weight: 850; }
.mini-journey button.is-on { color: var(--white); background: var(--cobalt); }
.mini-journey button.is-on span { color: rgba(255,250,240,.78); }
.stage-preview { display: grid; grid-template-columns: auto 1fr; gap: .65rem; align-items: center; padding: .7rem; border-left: 3px solid var(--rose); background: rgba(232,110,120,.08); }
.stage-preview b { color: var(--cobalt); font-size: .66rem; }
.stage-preview span { color: var(--muted); font-size: .63rem; line-height: 1.3; }

/* Definitions prototype */
.definition-ui { min-height: 24rem; padding: 1rem; }
.definition-tabs { display: grid; grid-template-columns: repeat(4,1fr); gap: .35rem; }
.definition-tabs button { padding: .7rem .3rem; border: 1px solid var(--line); background: transparent; color: var(--muted); font-size: .68rem; font-weight: 900; cursor: pointer; }
.definition-tabs button[aria-selected="true"] { color: var(--white); border-color: var(--cobalt); background: var(--cobalt); }
.definition-detail { min-height: 18.4rem; display: grid; grid-template-columns: 1.08fr .92fr; gap: 1rem; margin-top: .8rem; padding: 1rem; color: var(--white); background: var(--cobalt-3); }
.definition-letter { float: right; color: rgba(255,250,240,.08); font-size: 5.2rem; line-height: .75; font-weight: 950; }
.definition-detail small { display: block; margin-bottom: .6rem; color: var(--gold); font-size: .55rem; font-weight: 950; text-transform: uppercase; }
.definition-detail h3 { color: var(--white); font-size: 1.12rem; line-height: 1.08; }
.definition-detail p { margin: 0; color: rgba(255,250,240,.74); font-size: .68rem; line-height: 1.4; }
.definition-detail ol { display: grid; gap: .2rem; margin: 0; padding: 0; list-style: none; }
.definition-detail li { padding: .45rem .55rem; border-left: 2px solid rgba(255,250,240,.18); color: rgba(255,250,240,.62); font-size: .6rem; font-weight: 800; }
.definition-detail li.active { border-left-color: var(--gold); color: var(--white); background: rgba(255,250,240,.08); }

/* Path prototype */
.light-browser { background: var(--cream-2); }
.path-ui { min-height: 24rem; padding: 1rem; }
.foundation-band { display: grid; grid-template-columns: auto 1fr auto; gap: .7rem; align-items: center; padding: .75rem; color: var(--white); background: var(--cobalt); }
.foundation-band b { padding: .28rem .4rem; color: var(--cobalt-3); background: var(--gold); font-size: .52rem; text-transform: uppercase; }
.foundation-band span { font-size: .72rem; font-weight: 900; }
.foundation-band small { color: rgba(255,250,240,.72); font-size: .54rem; }
.branch-line { position: relative; padding: .75rem 0 .65rem; text-align: center; }
.branch-line::before { content: ""; position: absolute; top: 0; left: 50%; width: 1px; height: .55rem; background: var(--cobalt); }
.branch-line span { color: var(--muted); font-size: .56rem; font-weight: 850; }
.path-options { display: grid; grid-template-columns: repeat(3,1fr); gap: .45rem; }
.path-options button { min-height: 5.2rem; padding: .6rem; border: 1px solid var(--line); background: transparent; text-align: left; cursor: pointer; }
.path-options button b, .path-options button span { display: block; }
.path-options button b { margin-bottom: .45rem; color: var(--cobalt); font-size: .65rem; }
.path-options button span { font-size: .62rem; line-height: 1.25; font-weight: 900; }
.path-options button.is-on { color: var(--white); border-color: var(--cobalt); background: var(--cobalt); }
.path-options button.is-on b { color: var(--gold); }
.path-preview { display: grid; grid-template-columns: .8fr 1.45fr; gap: .7rem; margin-top: .65rem; padding: .75rem; border-left: 3px solid var(--rose); background: rgba(232,110,120,.08); }
.path-preview strong { color: var(--cobalt); font-size: .68rem; line-height: 1.2; }
.path-preview span { color: var(--muted); font-size: .59rem; line-height: 1.35; }
.path-preview small { grid-column: 1/-1; color: var(--muted); font-size: .51rem; }

/* Case prototype */
.case-layout { grid-template-columns: .62fr 1.38fr; gap: 2rem; align-items: center; }
.case-copy h2 { max-width: 12ch; }
.case-browser { min-height: 27rem; }
.case-ui { min-height: 25rem; display: grid; grid-template-columns: .92fr 1.08fr; }
.scenario { padding: 1rem; border-right: 1px solid var(--line); }
.scenario > span { color: var(--cobalt); font-size: .55rem; font-weight: 950; text-transform: uppercase; }
.scenario h3 { margin: .55rem 0; font-size: 1.02rem; }
.scenario p { color: var(--muted); font-size: .65rem; line-height: 1.38; }
.scenario > strong { display: block; margin: .8rem 0 .5rem; font-size: .67rem; }
.case-actions { display: grid; gap: .32rem; }
.case-actions button { padding: .55rem; border: 1px solid var(--line); background: transparent; font-size: .57rem; line-height: 1.25; text-align: left; cursor: pointer; }
.case-actions button.is-on { color: var(--white); border-color: var(--cobalt); background: var(--cobalt); }
.lens-result { display: grid; align-content: center; padding: 1rem; background: rgba(41,39,189,.06); }
.lens-result > small { color: var(--muted); font-size: .62rem; text-align: center; }
.lens-grid-mini { display: grid; grid-template-columns: 1fr 1fr; gap: .4rem; }
.lens-grid-mini[hidden], .case-reflection[hidden] { display: none; }
.lens-grid-mini div { min-height: 5rem; padding: .55rem; border-top: 3px solid var(--cobalt); background: var(--white); }
.lens-grid-mini div:nth-child(2) { border-top-color: var(--rose); }
.lens-grid-mini div:nth-child(3) { border-top-color: var(--gold); }
.lens-grid-mini div:nth-child(4) { border-top-color: var(--teal); }
.lens-grid-mini b, .lens-grid-mini span { display: block; }
.lens-grid-mini b { color: var(--cobalt); font-size: .59rem; }
.lens-grid-mini span { margin-top: .3rem; color: var(--muted); font-size: .51rem; line-height: 1.27; }
.case-reflection { margin: .55rem 0 0; padding: .55rem; color: var(--white); background: var(--cobalt); font-size: .59rem; font-weight: 900; text-align: center; }

/* Conversation prototype */
.conversation-ui { position: relative; min-height: 24rem; display: grid; grid-template-columns: 4rem 1fr; grid-template-rows: auto 1fr auto; gap: .75rem 1rem; padding: 1rem; }
.complete-mark { grid-row: 1/3; display: grid; place-items: center; align-self: start; width: 3.4rem; height: 3.4rem; border-radius: 50%; color: var(--white); background: var(--teal); font-size: 1.5rem; font-weight: 950; }
.conversation-head small { color: var(--teal); font-size: .55rem; font-weight: 950; text-transform: uppercase; }
.conversation-head h3 { margin: .3rem 0 0; font-size: 1rem; }
.question-stack { display: grid; align-content: start; gap: .28rem; }
.question-stack button { display: grid; grid-template-columns: auto 1fr auto; gap: .5rem; align-items: center; padding: .52rem .6rem; border: 1px solid var(--line); background: transparent; color: var(--cobalt); font-size: .58rem; font-weight: 950; text-align: left; cursor: pointer; }
.question-stack button span { color: var(--ink); font-size: .6rem; }
.question-stack button.is-open { border-color: var(--cobalt); background: rgba(41,39,189,.07); }
.prompt-detail { padding: .5rem .6rem; border-left: 2px solid var(--rose); color: var(--muted); background: rgba(232,110,120,.07); font-size: .54rem; line-height: 1.3; }
.conversation-route { grid-column: 1/-1; display: flex; align-items: center; justify-content: space-between; gap: .45rem; padding: .6rem; color: var(--white); background: var(--cobalt-3); }
.conversation-route span { font-size: .55rem; font-weight: 800; text-align: center; }
.conversation-route b { color: var(--gold); }

/* Workshop */
.workshop-layout { grid-template-columns: .5fr 1.5fr; gap: 1.5rem; align-items: center; }
.workshop-meta h2 { max-width: 11ch; font-size: clamp(2.1rem, 3.1vw, 3.6rem); }
.date-lockup { display: grid; grid-template-columns: auto 1fr; gap: .7rem; align-items: center; margin-top: .9rem; padding-top: .85rem; border-top: 1px solid rgba(255,250,240,.2); }
.date-lockup > strong { color: var(--gold); font-size: 4rem; line-height: .8; }
.date-lockup b, .date-lockup span { display: block; }
.date-lockup b { color: var(--white); font-size: 1rem; }
.date-lockup span { margin-top: .25rem; color: rgba(255,250,240,.72); font-size: .75rem; }
.workshop-outcome { margin-top: .8rem; padding: .65rem .7rem; border-left: 3px solid var(--gold); background: rgba(255,250,240,.07); }
.workshop-outcome span, .workshop-outcome strong { display: block; }
.workshop-outcome span { margin-bottom: .25rem; color: var(--gold); font-size: .56rem; font-weight: 950; text-transform: uppercase; }
.workshop-outcome strong { color: var(--white); font-size: .68rem; line-height: 1.3; }
.workshop-board { overflow: hidden; border: 1px solid rgba(255,250,240,.22); background: rgba(255,250,240,.055); }
.workshop-intent { display: grid; grid-template-columns: .45fr 1.55fr; gap: .7rem; padding: .58rem .65rem; border-bottom: 1px solid rgba(255,250,240,.18); background: rgba(255,250,240,.08); }
.workshop-intent span { color: var(--gold); font-size: .57rem; font-weight: 950; text-transform: uppercase; }
.workshop-intent strong { font-size: .64rem; line-height: 1.3; }
.workshop-agenda { width: 100%; border-collapse: collapse; table-layout: fixed; color: var(--white); }
.workshop-agenda .agenda-time { width: 14%; }
.workshop-agenda .agenda-format { width: 19%; }
.workshop-agenda .agenda-activity { width: 43%; }
.workshop-agenda .agenda-output { width: 24%; }
.workshop-agenda th, .workshop-agenda td { padding: .46rem .5rem; border: 0; border-bottom: 1px solid rgba(255,250,240,.14); vertical-align: top; text-align: left; white-space: normal; }
.workshop-agenda thead th { color: var(--gold); background: rgba(10,9,76,.34); font-size: .5rem; font-weight: 950; text-transform: uppercase; }
.workshop-agenda tbody tr:last-child td { border-bottom: 0; }
.workshop-agenda tbody tr:nth-child(even) { background: rgba(255,250,240,.035); }
.workshop-agenda td { color: rgba(255,250,240,.76); font-size: .55rem; line-height: 1.25; }
.workshop-agenda time { color: var(--gold); font-size: .58rem; font-weight: 950; white-space: nowrap; }
.workshop-agenda td:nth-child(2) { color: var(--white); font-weight: 800; }
.workshop-agenda td > strong, .workshop-agenda td > span { display: block; }
.workshop-agenda td > strong { margin-bottom: .18rem; color: var(--white); font-size: .62rem; line-height: 1.18; }
.workshop-agenda td > span { color: rgba(255,250,240,.68); }
.workshop-agenda td > span b { color: rgba(255,250,240,.92); }
.workshop-agenda td:last-child { color: var(--white); font-weight: 760; }

/* Roadmap */
.roadmap-layout { grid-template-rows: auto auto; gap: 1.2rem; }
.roadmap-head { display: grid; grid-template-columns: .9fr 1.1fr; gap: 2rem; align-items: end; }
.roadmap-head h2 { margin: 0; max-width: 16ch; }
.roadmap { display: grid; grid-template-columns: repeat(5,1fr); gap: .45rem; margin: 0; padding: 0; list-style: none; }
.roadmap li { position: relative; min-height: 14rem; padding: .85rem; border: 1px solid var(--line); border-top: 5px solid var(--cobalt); background: rgba(255,250,240,.8); }
.roadmap li:not(:last-child)::after { content: ""; position: absolute; z-index: 2; top: 2.25rem; right: -.52rem; width: .6rem; height: .13rem; background: var(--rose); }
.roadmap li.milestone { color: var(--white); border-color: var(--cobalt); background: var(--cobalt); }
.roadmap li > b { display: block; color: var(--cobalt); font-size: 1.4rem; }
.roadmap .milestone > b { color: var(--gold); }
.roadmap time { display: block; margin: .7rem 0 .4rem; color: #a4444e; font-size: .58rem; font-weight: 950; text-transform: uppercase; }
.roadmap .milestone time { color: var(--gold); }
.roadmap h3 { font-size: .82rem; }
.roadmap .milestone h3 { color: var(--white); }
.roadmap p { margin: 0; color: var(--muted); font-size: .65rem; line-height: 1.35; }
.roadmap .milestone p { color: rgba(255,250,240,.76); }

/* Deliverables */
.deliverables-layout { grid-template-columns: .72fr 1.28fr; gap: 2.4rem; align-items: center; }
.deliverable-system { display: grid; grid-template-columns: 1fr 1fr; gap: .55rem; }
.deliverable-core { grid-column: 1/-1; padding: .9rem 1rem; color: var(--ink); background: var(--cream); }
.deliverable-core span { color: var(--cobalt); font-size: .58rem; font-weight: 950; text-transform: uppercase; }
.deliverable-core h3 { margin: .32rem 0; font-size: 1.15rem; }
.teal .deliverable-core h3 { color: var(--ink); }
.deliverable-core p { margin: 0; color: var(--muted); font-size: .67rem; }
.deliverable-card { min-height: 8.1rem; padding: .75rem; border: 1px solid rgba(255,250,240,.2); background: rgba(255,250,240,.08); }
.deliverable-card b { color: var(--gold); font-size: 1.1rem; }
.deliverable-card h3 { margin: .45rem 0 .3rem; color: var(--white); font-size: .78rem; }
.deliverable-card p { margin: 0; color: rgba(255,250,240,.72); font-size: .61rem; line-height: 1.32; }

/* Evaluation */
.evaluation-layout { grid-template-columns: .68fr 1.32fr; gap: 2.4rem; align-items: center; }
.baseline-chip { display: inline-grid; grid-template-columns: auto 1fr; gap: .7rem; align-items: center; margin-top: 1.1rem; padding: .7rem .85rem; color: var(--white); background: var(--cobalt); }
.baseline-chip strong { color: var(--gold); font-size: 1.45rem; }
.baseline-chip span { font-size: .61rem; line-height: 1.25; }
.evaluation-loop { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
.eval-node { position: relative; min-height: 10.2rem; padding: .85rem; border: 1px solid var(--line); border-left: 5px solid var(--cobalt); background: rgba(255,250,240,.82); }
.eval-node:nth-child(2) { border-left-color: var(--violet); }
.eval-node:nth-child(3) { border-left-color: var(--rose); }
.eval-node:nth-child(4) { border-left-color: var(--teal); }
.eval-node span, .eval-node b, .eval-node small, .eval-node em { display: block; }
.eval-node span { color: var(--cobalt); font-size: .58rem; font-weight: 950; text-transform: uppercase; }
.eval-node b { margin-top: .6rem; font-size: 1rem; }
.eval-node small { margin-top: .35rem; color: var(--muted); font-size: .64rem; line-height: 1.3; }
.eval-node em { position: absolute; right: .65rem; bottom: .6rem; padding: .24rem .38rem; border-radius: 999px; color: var(--white); background: var(--cobalt); font-size: .5rem; font-style: normal; font-weight: 900; text-transform: uppercase; }
.loop-return { grid-column: 1/-1; padding: .65rem; color: var(--white); background: var(--cobalt-3); font-size: .64rem; font-weight: 800; text-align: center; }
.loop-return::before { content: "↺"; margin-right: .55rem; color: var(--gold); font-size: 1rem; }

/* Living */
.living-layout { grid-template-columns: .72fr 1.28fr; grid-template-rows: 1fr auto; gap: 1rem 2.3rem; align-items: center; }
.living-cycle { position: relative; width: min(29rem, 38vw); aspect-ratio: 1; justify-self: center; }
.living-cycle svg { position: absolute; inset: 0; width: 100%; height: 100%; transform: rotate(-20deg); }
.living-cycle circle { fill: none; transform-origin: 260px 260px; }
.living-cycle .cycle-track { stroke: rgba(255,250,240,.15); stroke-width: 2; }
.living-cycle .cycle-motion { stroke: var(--gold); stroke-width: 4; stroke-linecap: round; stroke-dasharray: 7 5; animation: orbitRing 10s linear infinite; filter: drop-shadow(0 0 5px rgba(217,168,61,.32)); }
@keyframes orbitRing { to { stroke-dashoffset: -100; transform: rotate(360deg); } }
.living-core { position: absolute; inset: 34%; display: grid; align-content: center; text-align: center; border-radius: 50%; color: var(--ink); background: var(--cream); box-shadow: 0 22px 55px rgba(3,2,38,.3); }
.living-core b, .living-core span { display: block; }
.living-core b { color: var(--cobalt); font-size: .78rem; }
.living-core span { margin-top: .3rem; font-size: .63rem; line-height: 1.2; font-weight: 800; }
.cycle-word { position: absolute; display: grid; place-items: center; width: 5.2rem; min-height: 3.8rem; padding: .45rem; border: 1px solid rgba(255,250,240,.2); background: var(--cobalt-2); text-align: center; }
.cycle-word b { color: var(--gold); font-size: .55rem; }
.cycle-word span { font-size: .7rem; font-weight: 900; }
.cycle-word { animation: cycleNode 5s var(--ease) infinite; }
.w1 { top: 0; left: calc(50% - 2.6rem); animation-delay: 0s; }
.w2 { top: 28%; right: 0; animation-delay: 1s; }
.w3 { right: 10%; bottom: 4%; animation-delay: 2s; }
.w4 { left: 10%; bottom: 4%; animation-delay: 3s; }
.w5 { top: 28%; left: 0; animation-delay: 4s; }
@keyframes cycleNode {
  0%, 16%, 100% { border-color: rgba(255,250,240,.2); background: var(--cobalt-2); transform: translateY(0); box-shadow: none; }
  7% { border-color: var(--gold); background: #312faf; transform: translateY(-.18rem); box-shadow: 0 10px 24px rgba(3,2,38,.28), 0 0 0 4px rgba(217,168,61,.12); }
}
.update-strip { grid-column: 1/-1; display: grid; grid-template-columns: repeat(5,1fr); gap: .4rem; }
.update-strip span { padding: .55rem; border: 1px solid rgba(255,250,240,.17); background: rgba(255,250,240,.07); color: rgba(255,250,240,.78); font-size: .6rem; font-weight: 800; text-align: center; }

/* Closing */
.closing-layout { align-content: center; justify-items: center; text-align: center; }
.closing h2 { max-width: 21ch; font-size: clamp(2.7rem, 4.2vw, 4.8rem); }
.closing h2 em { color: var(--gold); font-style: normal; }
.closing-track { width: min(64rem, 80vw); display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: .7rem; align-items: center; margin-top: 1rem; }
.closing-track > div { padding: .72rem; border: 1px solid rgba(255,250,240,.2); background: rgba(255,250,240,.07); }
.closing-track b, .closing-track span { display: block; }
.closing-track b { color: var(--gold); font-size: .62rem; }
.closing-track span { margin-top: .25rem; font-size: .7rem; font-weight: 800; }
.closing-track i { position: relative; width: 3rem; height: 2px; background: rgba(255,250,240,.22); }
.closing-track i::after { content: ""; position: absolute; top: -.2rem; left: 0; width: .45rem; height: .45rem; border-radius: 50%; background: var(--rose); animation: travel 2.3s var(--ease) infinite; }
@keyframes travel { 0% { transform: translateX(0); } 55%,100% { transform: translateX(2.55rem); } }
.contact-block { margin-top: 1.05rem; }
.contact-block span, .contact-block strong, .contact-block a { display: block; }
.contact-block span { color: rgba(255,250,240,.65); font-size: .58rem; text-transform: uppercase; }
.contact-block strong { margin: .25rem 0; font-size: .85rem; }
.contact-block a { color: var(--gold); font-size: .68rem; text-decoration-thickness: 1px; text-underline-offset: .2rem; }

/* Navigation */
.deck-nav { position: absolute; z-index: 20; right: 1.65rem; bottom: 1.25rem; display: flex; align-items: center; gap: .45rem; }
.nav-button { display: grid; place-items: center; width: 2.45rem; height: 2.45rem; padding: 0; border: 1px solid rgba(255,250,240,.4); border-radius: 50%; color: var(--white); background: var(--cobalt-3); box-shadow: 0 8px 25px rgba(0,0,0,.18); font-size: .9rem; font-weight: 900; cursor: pointer; }
.nav-button:disabled { opacity: .38; cursor: not-allowed; }
.nav-status { display: none; }

@media screen and (max-width: 1180px) and (min-aspect-ratio: 1.4/1) {
  :root { --slide-pad-x: 2.7rem; --slide-pad-y: 2rem; }
  .slide { gap: .65rem; padding-bottom: 1.45rem; }
  h2 { font-size: clamp(2rem, 3.2vw, 3.45rem); }
  .lead { font-size: .94rem; }
  .browser { min-height: 23.5rem; }
  .browser > :last-child { min-height: 21.5rem; }
  .footer { padding-right: 6.3rem; }
}

@media screen and (max-aspect-ratio: 1.39/1), screen and (max-width: 760px) {
  html, body { min-height: 100%; height: auto; }
  body { display: block; overflow: auto; background: var(--page-bg); }
  .deck { width: 100%; height: auto; min-height: 100svh; overflow: visible; }
  .slides { height: auto; min-height: 100svh; }
  .slide { position: relative; inset: auto; display: none; width: 100%; min-height: 100svh; padding: 1.35rem 1rem 5.1rem; overflow: visible; transform: none; transition: opacity var(--t-med) var(--ease); }
  .slide.is-active { display: grid; transform: none; }
  .topbar { margin-bottom: .6rem; }
  .content, .split, .cover-grid, .gap-layout, .feedback-layout, .format-layout, .journey-copy, .prototype-layout, .prototype-layout.reverse, .case-layout, .workshop-layout, .roadmap-head, .deliverables-layout, .evaluation-layout, .living-layout { grid-template-columns: 1fr; }
  .prototype-layout.reverse .prototype-copy { order: initial; }
  h1 { font-size: clamp(3rem, 16vw, 4.5rem); }
  h2, .closing h2 { font-size: clamp(2.2rem, 11vw, 3.4rem); }
  .cover-system { width: min(82vw, 25rem); }
  .cover-grid { gap: 2rem; }
  .score-card { min-height: 8.5rem; }
  .gap-layout { grid-template-rows: auto; }
  .baseline-note, .update-strip { grid-column: auto; }
  .signal-map, .workshop-flow ol, .deliverable-system, .evaluation-loop { grid-template-columns: 1fr; }
  .journey-rail, .roadmap { grid-template-columns: 1fr; }
  .journey-rail li, .roadmap li { min-height: auto; }
  .journey-rail li:not(:last-child)::after { content: "↓"; top: auto; right: 50%; bottom: -.7rem; }
  .roadmap li:not(:last-child)::after { top: auto; right: 50%; bottom: -.5rem; width: .13rem; height: .6rem; }
  .browser { min-height: 0; }
  .welcome-ui, .case-ui { grid-template-columns: 1fr; }
  .welcome-ui aside { display: none; }
  .case-ui > .scenario { border-right: 0; border-bottom: 1px solid var(--line); }
  .path-options { grid-template-columns: 1fr; }
  .path-preview { grid-template-columns: 1fr; }
  .path-preview small { grid-column: auto; }
  .foundation-band { grid-template-columns: auto 1fr; }
  .foundation-band small { grid-column: 1/-1; }
  .definition-detail { grid-template-columns: 1fr; }
  .conversation-ui { grid-template-columns: 3.4rem 1fr; }
  .living-cycle { width: min(90vw, 29rem); }
  .update-strip { grid-template-columns: 1fr 1fr; }
  .closing-track { width: 100%; grid-template-columns: 1fr; }
  .closing-track i { width: 2px; height: 1.5rem; justify-self: center; }
  .closing-track i::after { left: -.2rem; animation: travelDown 2.3s var(--ease) infinite; }
  @keyframes travelDown { 0% { transform: translateY(0); } 55%,100% { transform: translateY(1.05rem); } }
  .footer { align-self: end; padding-right: 0; gap: 1rem; }
  .deck-nav { position: fixed; right: 1rem; bottom: max(1rem, env(safe-area-inset-bottom)); }
  .nav-button { width: 3rem; height: 3rem; }
}

@media screen and (max-width: 480px) {
  .score-quartet { grid-template-columns: 1fr; }
  .score-card { min-height: 6.5rem; }
  .mini-journey { grid-template-columns: 1fr; }
  .stage-preview { grid-template-columns: 1fr; }
  .definition-tabs { grid-template-columns: 1fr 1fr; }
  .lens-grid-mini { grid-template-columns: 1fr; }
  .conversation-ui { grid-template-columns: 1fr; }
  .complete-mark { grid-row: auto; }
  .conversation-route { grid-column: auto; display: grid; }
  .living-cycle { width: 88vw; transform: scale(.88); margin: -1.2rem auto; }
  .preference-table th, .preference-table td { padding: .5rem .35rem; font-size: .6rem; }
  .preference-table thead th { font-size: .5rem; }
  .preference-table strong { padding: .18rem .28rem; font-size: .48rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media print {
  @page { size: 16in 9in; margin: 0; }
  html, body { width: auto; height: auto; overflow: visible; background: white; }
  body { display: block; }
  .deck, .slides { width: auto; height: auto; overflow: visible; }
  .slide { position: relative; inset: auto; display: grid !important; width: calc(16in - 1px); height: calc(9in - 1px); break-before: page; opacity: 1; transform: none; pointer-events: auto; }
  .slide:first-child { break-before: auto; }
  .reveal { opacity: 1; transform: none; }
  .deck-nav, .skip-link { display: none !important; }
}