/* Hallmark · genre: atmospheric · macrostructure: Narrative Workflow (presentation chapters) · theme: custom "Copper Hall"
 * tone: luxury enterprise technology · anchor hue: 52° (electric copper) · enrichment: Tier B hand-built canvas/SVG (plan drawing, motif glyphs)
 * nav: N9 Edge-aligned minimal · footer: Ft2 Inline single line
 * audience: CMOs / brand leads at AI-infrastructure companies · use: play the signature → request a concept
 */

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  background: var(--color-paper);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overflow-x: clip;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  overflow-x: clip;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
h1, h2, h3, p, ul, ol, dl, dd, fieldset { margin: 0; padding: 0; }
ul, ol { list-style: none; }
fieldset { border: 0; min-width: 0; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
canvas { display: block; }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }
::selection { background: var(--color-signal); color: var(--color-signal-ink); }
.wm { text-transform: none; letter-spacing: -0.01em; }

.skip {
  position: fixed; left: var(--space-md); top: -4rem; z-index: 100;
  background: var(--color-ink); color: var(--color-paper);
  padding: var(--space-xs) var(--space-md); border-radius: var(--radius-sm);
  font-size: var(--text-sm);
}
.skip:focus { top: var(--space-md); }

.meter {
  position: fixed; inset: 0 0 auto 0; height: 1px; z-index: 60;
  background: var(--color-signal); transform-origin: left; transform: scaleX(0);
  pointer-events: none;
}

/* ---------- header · N9 edge-aligned ---------- */
.top {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: var(--space-md);
  padding: calc(env(safe-area-inset-top, 0px) + var(--space-md)) var(--gutter) var(--space-md);
  font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--color-muted);
  transition: background-color var(--dur-mid) var(--ease-out);
}
.top.solid {
  background: var(--color-paper-glass);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-rule);
}
.top-mark { display: inline-flex; gap: 0.6em; align-items: baseline; color: var(--color-ink); white-space: nowrap; justify-self: start; }
.top-mark .x { color: var(--color-signal); }
.top-mark .wm { font-family: var(--font-display); font-weight: 700; font-size: var(--text-sm); }
.top-now { justify-self: center; white-space: nowrap; overflow: hidden; }
.top-now span { display: inline-block; transition: opacity var(--dur-mid) var(--ease-out), transform var(--dur-mid) var(--ease-out); }
.top-now span.swap { opacity: 0; transform: translateY(40%); }
.top-cta {
  justify-self: end; white-space: nowrap; color: var(--color-ink);
  padding: var(--space-xs) 0; border-bottom: 1px solid var(--color-rule-firm);
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.top-cta:hover { color: var(--color-signal); border-color: var(--color-signal); }

/* ---------- layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.band { padding: clamp(6rem, 16vh, 11rem) 0; position: relative; }
.band + .band { border-top: 1px solid var(--color-rule); }

.h2 {
  font-family: var(--font-display); font-weight: 700; font-style: normal;
  font-size: var(--text-3xl); line-height: 0.98; letter-spacing: -0.035em;
  max-width: 17ch; min-width: 0;
}
.lede { font-size: var(--text-md); line-height: 1.55; color: var(--color-muted); max-width: var(--measure); }
.index, .kicker, .tree-cap, .deck-kicker, .ro-kicker, .credits-cap, .dna-cap, .contrast-label span, .layer-note {
  font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--color-faint);
}
.index { color: var(--color-signal); margin-bottom: var(--space-lg); }
.statement {
  font-family: var(--font-display); font-weight: 700; font-style: normal;
  font-size: var(--text-2xl); line-height: 1.02; letter-spacing: -0.03em;
  max-width: 20ch; margin-top: clamp(4rem, 12vh, 8rem);
}
.statement-sm { font-size: var(--text-xl); max-width: none; margin-top: var(--space-3xl); color: var(--color-muted); }
.statement-xl { font-size: var(--text-3xl); max-width: 16ch; color: var(--color-muted); }
.hi { color: var(--color-ink); }

/* reveal */
.rv { opacity: 0; transform: translateY(18px); transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); }
.rv.in { opacity: 1; transform: none; }
.d1 { transition-delay: 80ms; } .d2 { transition-delay: 160ms; } .d3 { transition-delay: 240ms; }
.d4 { transition-delay: 320ms; } .d5 { transition-delay: 400ms; } .d6 { transition-delay: 480ms; }

/* ---------- motif glyph (rendered by app.js) ---------- */
.motif { display: inline-block; width: 64px; height: 26px; color: var(--tint-core); flex: none; }
.motif svg { width: 100%; height: 100%; overflow: visible; display: block; }
.motif svg * { transform-box: fill-box; transform-origin: 50% 100%; }
.motif[data-motif="intelligence"] { color: var(--tint-intelligence); }
.motif[data-motif="power"] { color: var(--tint-power); }
.motif[data-motif="human"] { color: var(--tint-human); }
.motif[data-motif="future"] { color: var(--tint-future); }
.motif-lg { width: clamp(160px, 22vw, 260px); height: clamp(64px, 9vw, 104px); }

/* ---------- 01 · hook ---------- */
.hook {
  position: relative; min-height: 100svh; display: flex; flex-direction: column; justify-content: flex-end;
  padding: calc(env(safe-area-inset-top, 0px) + 7rem) 0 var(--space-xl);
  isolation: isolate; overflow: hidden;
}
.hook-plan { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; }
.hook-inner { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.kicker { color: var(--color-ink-2); margin-bottom: var(--space-lg); }
.kicker span { color: var(--color-signal); }
.hook-h1 {
  font-family: var(--font-display); font-weight: 800; font-style: normal; text-transform: uppercase;
  font-size: clamp(1.6rem, 8.6vw, 8rem); line-height: 0.88; letter-spacing: -0.045em;
  min-width: 0;
}
.scope { width: 100%; height: 56px; margin: var(--space-lg) 0 var(--space-md); }
.hook-foot { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--space-xl); flex-wrap: wrap; }
.hook-q { font-family: var(--font-display); font-weight: 500; font-size: var(--text-xl); line-height: 1.15; letter-spacing: -0.02em; max-width: 20ch; }
.hook-play { display: flex; align-items: center; gap: var(--space-lg); }
.hook-play-meta { display: flex; flex-direction: column; gap: var(--space-2xs); }
.hook-play-meta .lbl { font-family: var(--font-display); font-weight: 500; font-size: var(--text-md); letter-spacing: -0.01em; white-space: nowrap; }
.hook-play-meta .sub { font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-faint); }
.hook-sub {
  max-width: var(--maxw); width: 100%; margin: var(--space-2xl) auto 0; padding: var(--space-md) var(--gutter) 0;
  font-size: var(--text-sm); color: var(--color-muted);
  border-top: 1px solid var(--color-rule);
}

/* play buttons */
.play-xl, .play-lg, .play-sm, .mini-pp {
  position: relative; display: grid; place-items: center; flex: none; border-radius: 50%;
  transition: transform var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.play-xl svg, .play-lg svg, .play-sm svg, .mini-pp svg { grid-area: 1 / 1; fill: currentColor; transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-mid) var(--ease-out); }
.i-pause { opacity: 0; transform: scale(0.6); }
.is-playing .i-play { opacity: 0; transform: scale(0.6); }
.is-playing .i-pause { opacity: 1; transform: none; }
.is-loading { cursor: progress; }
button:disabled { cursor: not-allowed; opacity: 0.35; }

.play-xl { width: 92px; height: 92px; background: var(--color-ink); color: var(--color-paper); }
.play-xl svg { width: 30px; height: 30px; }
.play-xl:hover { background: var(--color-signal); color: var(--color-signal-ink); }
.play-xl:active { transform: scale(0.96); }
.play-xl .ring { position: absolute; inset: -10px; border-radius: 50%; border: 1px solid var(--color-rule-firm); pointer-events: none; transition: transform var(--dur-slow) var(--ease-out), border-color var(--dur-mid) var(--ease-out); }
.play-xl:hover .ring { transform: scale(1.08); border-color: var(--color-signal); }
.play-xl.is-playing { background: var(--color-signal); color: var(--color-signal-ink); }
.play-xl.is-playing .ring { border-color: var(--color-signal); animation: breathe 2.4s var(--ease-in-out) infinite; }
@keyframes breathe { 50% { transform: scale(1.12); opacity: 0.4; } }

.play-lg { width: 72px; height: 72px; border: 1px solid var(--color-rule-firm); color: var(--color-ink); }
.play-lg svg { width: 26px; height: 26px; }
.play-lg:hover, .play-lg.is-playing { border-color: var(--color-signal); color: var(--color-signal); }
.play-lg:active, .play-sm:active { transform: scale(0.95); }

.play-sm { width: 48px; height: 48px; border: 1px solid var(--color-rule-firm); color: var(--color-ink); }
.play-sm svg { width: 18px; height: 18px; }

/* ---------- 02 · problem ---------- */
.layers { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 1px; margin-top: var(--space-2xl); background: var(--color-rule); border: 1px solid var(--color-rule); }
.layer { background: var(--color-paper); padding: var(--space-lg) var(--space-md) var(--space-md); display: flex; flex-direction: column; gap: var(--space-md); min-height: 11rem; position: relative; overflow: hidden; }
.layer-name { font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.16em; text-transform: uppercase; color: var(--color-ink-2); margin-top: auto; }
.layer-note { position: absolute; bottom: var(--space-md); right: var(--space-md); color: var(--color-signal); }
.layer-empty { background: repeating-linear-gradient(135deg, var(--color-paper) 0 7px, var(--color-paper-2) 7px 8px); }
.spec { display: block; height: 3.5rem; position: relative; }
.spec-logo i { position: absolute; left: 0; top: 0.5rem; width: 2.5rem; height: 2.5rem; border: 2px solid var(--color-ink); transform: rotate(45deg) scale(0.75); }
.spec-colour { display: flex; gap: 4px; align-items: flex-start; }
.spec-colour i { width: 1.5rem; height: 2.75rem; background: var(--color-ink); }
.spec-colour i:nth-child(2) { background: var(--color-muted); }
.spec-colour i:nth-child(3) { background: var(--color-paper-3); outline: 1px solid var(--color-rule-firm); outline-offset: -1px; }
.spec-type { font-family: var(--font-display); font-weight: 700; font-size: 2.75rem; line-height: 1; letter-spacing: -0.04em; }
.spec-motion i { position: absolute; left: 0; right: 0; top: 1.5rem; height: 1px; background: var(--color-rule-firm); }
.spec-motion i::after { content: ""; position: absolute; left: 0; top: -3px; width: 7px; height: 7px; border-radius: 50%; background: var(--color-ink); animation: glide 3.2s var(--ease-in-out) infinite alternate; }
@keyframes glide { to { left: calc(100% - 7px); } }
.spec-arch { display: grid; grid-template-columns: repeat(4, 6px); gap: 6px; align-items: end; }
.spec-arch i { background: var(--color-ink-2); height: 3rem; }
.spec-arch i:nth-child(odd) { height: 2.25rem; }
.spec-image { border: 1px solid var(--color-rule-firm); background: repeating-linear-gradient(45deg, transparent 0 5px, var(--color-rule) 5px 6px); width: 4rem; }
.spec-sound { border: 1px dashed var(--color-signal); width: 4rem; }

.problem-mid { margin-top: var(--space-3xl); font-size: var(--text-xl); font-family: var(--font-display); font-weight: 500; line-height: 1.2; letter-spacing: -0.02em; max-width: 32ch; color: var(--color-ink-2); }

.contrast { margin-top: var(--space-2xl); border-top: 1px solid var(--color-rule); }
.contrast-row { display: grid; grid-template-columns: minmax(0, 18rem) minmax(0, 1fr); gap: var(--space-xl); align-items: center; padding: var(--space-lg) 0; border-bottom: 1px solid var(--color-rule); }
.contrast-label { display: flex; flex-direction: column; gap: var(--space-2xs); font-size: var(--text-sm); color: var(--color-muted); }
.is-owned .contrast-label { color: var(--color-ink); }
.is-owned .contrast-label span { color: var(--color-signal); }
.touch { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--space-md); }
.touch li { display: flex; flex-direction: column; gap: var(--space-xs); font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-faint); }
.is-owned .touch li { color: var(--color-ink-2); }
.touch .motif { width: 54px; height: 22px; }
.g { display: block; width: 54px; height: 22px; opacity: 0.55; background: var(--color-muted); }
.g-a { -webkit-mask: radial-gradient(circle at 50% 50%, #000 40%, transparent 42%) 0 0 / 11px 22px; mask: radial-gradient(circle at 50% 50%, #000 40%, transparent 42%) 0 0 / 11px 22px; }
.g-b { -webkit-mask: linear-gradient(#000 0 0) 0 60% / 100% 2px no-repeat; mask: linear-gradient(#000 0 0) 0 60% / 100% 2px no-repeat; }
.g-c { -webkit-mask: repeating-linear-gradient(90deg, #000 0 2px, transparent 2px 6px); mask: repeating-linear-gradient(90deg, #000 0 2px, transparent 2px 6px); height: 12px; margin-top: 10px; }
.g-d { clip-path: polygon(0 100%, 25% 20%, 50% 80%, 75% 0, 100% 100%); }
.g-e { border-radius: 50% 50% 0 0; height: 16px; margin-top: 6px; }

/* ---------- 03 · idea ---------- */
.idea-head { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: var(--space-xl); align-items: end; }
.tree { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr) minmax(0, 1fr); margin-top: var(--space-3xl); align-items: stretch; min-height: 30rem; }
.tree-root { display: flex; flex-direction: column; justify-content: center; gap: var(--space-md); }
.tree-cap { color: var(--color-signal); }
.tree-cap-r { margin-bottom: var(--space-md); color: var(--color-ink-2); }
.tree-arrow { display: none; }
.tree-meta { font-size: var(--text-sm); color: var(--color-muted); }
.tree-lines { width: 100%; height: 100%; overflow: visible; }
.tree-lines path { fill: none; stroke: var(--color-rule-firm); stroke-width: 1; vector-effect: non-scaling-stroke; stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 1.4s var(--ease-out), stroke var(--dur-mid) var(--ease-out); }
.tree.in .tree-lines path { stroke-dashoffset: 0; }
.tree-lines path.hot { stroke: var(--color-signal); }
.tree-leaves { display: flex; flex-direction: column; }
.leaves { display: grid; grid-auto-rows: 1fr; flex: 1; }
.leaves li {
  display: flex; align-items: center; border-bottom: 1px solid var(--color-rule);
  font-family: var(--font-display); font-weight: 500; font-size: var(--text-md); letter-spacing: -0.01em;
  color: var(--color-muted); opacity: 0; transform: translateX(-8px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out), color var(--dur-fast) var(--ease-out);
  transition-delay: calc(var(--i, 0) * 70ms + 500ms), calc(var(--i, 0) * 70ms + 500ms), 0ms;
}
.tree.in .leaves li { opacity: 1; transform: none; }
.leaves li:hover, .leaves li.hot { color: var(--color-ink); }

/* ---------- 04 · core signature ---------- */
.deck {
  margin-top: var(--space-2xl);
  display: grid; grid-template-columns: minmax(0, 20rem) minmax(0, 1fr); gap: var(--space-2xl);
  padding: clamp(1.5rem, 3.5vw, 3rem);
  background: var(--color-paper-2); border: 1px solid var(--color-rule);
  transition: border-color var(--dur-mid) var(--ease-out);
}
.deck-core.is-current { border-color: var(--color-signal); }
.deck-meta { display: flex; flex-direction: column; gap: var(--space-md); }
.deck-kicker { color: var(--color-signal); }
.deck-title { font-family: var(--font-display); font-weight: 700; font-size: var(--text-xl); line-height: 1.05; letter-spacing: -0.025em; }
.deck-spec { margin-top: auto; display: grid; gap: var(--space-xs); padding-top: var(--space-lg); }
.deck-spec div, .ro-spec div { display: flex; justify-content: space-between; gap: var(--space-md); padding: var(--space-xs) 0; border-bottom: 1px solid var(--color-rule); font-size: var(--text-sm); }
.deck-spec dt, .ro-spec dt { font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-faint); padding-top: 0.2em; flex: none; }
.deck-spec dd, .ro-spec dd { text-align: right; color: var(--color-ink-2); font-variant-numeric: tabular-nums; }
.deck-player { display: grid; grid-template-columns: auto minmax(0, 1fr); grid-template-rows: 1fr auto; gap: var(--space-md) var(--space-xl); align-items: center; }
.deck-player .play-lg { grid-row: 1 / 3; align-self: center; }
.wave-box { min-width: 0; }
.wave { width: 100%; height: 64px; cursor: pointer; touch-action: none; border-radius: var(--radius-sm); }
.wave-xl { height: clamp(120px, 16vw, 200px); }
.deck-time { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-faint); font-variant-numeric: tabular-nums; }
.deck-time span:first-child { color: var(--color-ink); }
.sig-foot { margin-top: var(--space-2xl); font-family: var(--font-display); font-weight: 500; font-size: var(--text-xl); line-height: 1.2; letter-spacing: -0.02em; max-width: 26ch; color: var(--color-ink-2); }

/* ---------- 05 · expressions ---------- */
.exp-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-xl); align-items: end; }
.dna { display: flex; align-items: center; gap: var(--space-lg); margin-top: var(--space-2xl); padding: var(--space-md) 0; border-top: 1px solid var(--color-rule); border-bottom: 1px solid var(--color-rule); flex-wrap: wrap; }
.dna .motif { width: 46px; height: 20px; }
.dna-rule { flex: 0 1 4rem; height: 1px; background: var(--color-rule-firm); }
.exp-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-md); margin-top: var(--space-xl); }
.card {
  --tint: var(--tint-core);
  position: relative; display: flex; flex-direction: column; gap: var(--space-lg);
  padding: clamp(1.25rem, 2.6vw, 2.25rem); min-height: 25rem;
  background: var(--color-paper-2); border: 1px solid var(--color-rule);
  transition: border-color var(--dur-mid) var(--ease-out), background-color var(--dur-mid) var(--ease-out);
}
.card[data-key="intelligence"] { --tint: var(--tint-intelligence); }
.card[data-key="power"] { --tint: var(--tint-power); }
.card[data-key="human"] { --tint: var(--tint-human); }
.card[data-key="future"] { --tint: var(--tint-future); }
.card:hover { border-color: var(--color-rule-firm); background: var(--color-paper-3); }
.card.is-current { border-color: var(--tint); }
.card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--space-md); }
.card-n { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.14em; color: var(--tint); }
.card .motif { width: 84px; height: 34px; }
.card-name { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.75rem, 4.6vw, 4.25rem); line-height: 0.9; letter-spacing: -0.04em; text-transform: uppercase; min-width: 0; }
.card-for { font-size: var(--text-sm); color: var(--color-muted); max-width: 34ch; }
.card-for b, .card-dir b { display: block; font-family: var(--font-mono); font-weight: 400; font-size: var(--text-2xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-faint); margin-bottom: var(--space-2xs); }
.card-dir { font-family: var(--font-display); font-weight: 500; font-size: var(--text-md); line-height: 1.3; color: var(--color-ink-2); letter-spacing: -0.01em; }
.card-play { margin-top: auto; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: var(--space-md); align-items: center; }
.card .play-sm:hover, .card .play-sm.is-playing { border-color: var(--tint); color: var(--tint); }
.card .wave { height: 44px; }
.card-time { font-family: var(--font-mono); font-size: var(--text-2xs); color: var(--color-faint); font-variant-numeric: tabular-nums; white-space: nowrap; }
.exp-foot { margin-top: var(--space-2xl); max-width: 58ch; color: var(--color-muted); font-size: var(--text-md); }

/* hover micro-interaction: the five notes rise in sequence */
.card:hover .motif svg > g, .card.is-current .motif svg > g, .deck-core:hover .motif svg > g, .dna .motif:hover svg > * { animation: note 900ms var(--ease-out) both; animation-delay: calc(var(--n, 0) * 70ms); }
@keyframes note { 0% { transform: scaleY(1); } 35% { transform: scaleY(1.35); } 100% { transform: scaleY(1); } }

/* ---------- 06 · where it lives ---------- */
.where-body { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: var(--space-xl); margin-top: var(--space-2xl); align-items: start; }
.where-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--color-rule); border: 1px solid var(--color-rule); }
.where-grid > li { display: flex; }
.ctx {
  position: relative; display: flex; justify-content: space-between; align-items: center; gap: var(--space-md);
  min-height: 7.5rem; padding: var(--space-lg); background: var(--color-paper); text-align: left; width: 100%;
  transition: background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.ctx-name { font-family: var(--font-display); font-weight: 700; font-size: var(--text-md); line-height: 1.1; letter-spacing: -0.01em; text-transform: uppercase; }
.ctx-sub { display: block; margin-top: var(--space-2xs); font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-faint); font-weight: 400; }
.ctx-play { display: inline-flex; align-items: center; gap: var(--space-xs); font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-muted); white-space: nowrap; flex: none; }
.ctx-play i { width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--color-rule-firm); display: grid; place-items: center; transition: border-color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out); }
.ctx-play svg { width: 11px; height: 11px; fill: currentColor; grid-area: 1 / 1; transition: opacity var(--dur-fast) var(--ease-out); }
.ctx-play .i-pause { transform: none; }
.ctx:hover, .ctx:focus-visible { background: var(--color-paper-3); }
.ctx:hover .ctx-play { color: var(--color-ink); }
.ctx:hover .ctx-play i { border-color: var(--color-signal); }
.ctx.is-playing { background: var(--color-paper-3); }
.ctx.is-playing .ctx-play { color: var(--color-signal); }
.ctx.is-playing .ctx-play i { background: var(--color-signal); border-color: var(--color-signal); color: var(--color-signal-ink); }
.ctx:active { background: var(--color-paper-2); }
.ctx-detail { display: none; margin-top: var(--space-xs); font-size: var(--text-sm); line-height: 1.45; color: var(--color-ink-2); text-transform: none; font-family: var(--font-body); font-weight: 400; }

.readout { position: sticky; top: 6rem; padding: var(--space-xl); background: var(--color-paper-2); border: 1px solid var(--color-rule); display: flex; flex-direction: column; gap: var(--space-md); }
.ro-kicker { color: var(--color-signal); }
.ro-title { font-family: var(--font-display); font-weight: 700; font-size: var(--text-xl); line-height: 1.05; letter-spacing: -0.025em; min-height: 1.05em; }
.ro-desc { font-size: var(--text-sm); color: var(--color-muted); min-height: 4.8em; }
.ro-title, .ro-desc, .ro-spec dd { transition: opacity var(--dur-fast) var(--ease-out); }
.readout.swap .ro-title, .readout.swap .ro-desc, .readout.swap .ro-spec dd { opacity: 0; }
.ro-wave .wave { height: 56px; cursor: default; }
.energy { display: inline-flex; gap: 3px; align-items: flex-end; height: 14px; }
.energy i { width: 5px; background: var(--color-rule-firm); transition: background-color var(--dur-mid) var(--ease-out); }
.energy i:nth-child(1) { height: 5px; } .energy i:nth-child(2) { height: 7px; } .energy i:nth-child(3) { height: 9px; } .energy i:nth-child(4) { height: 11px; } .energy i:nth-child(5) { height: 14px; }
.energy i.on { background: var(--color-signal); }

/* ---------- 07 · own ---------- */
.own-head { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: var(--space-xl); align-items: end; }
.own-copy { display: grid; gap: var(--space-md); color: var(--color-muted); font-size: var(--text-md); max-width: var(--measure); }
.own-copy p:first-child { color: var(--color-ink); }
.plate { margin-top: var(--space-3xl); border: 1px solid var(--color-rule-firm); background: var(--color-paper-2); }
.plate-bar { display: flex; flex-wrap: wrap; gap: var(--space-xs) var(--space-xl); padding: var(--space-sm) var(--space-lg); border-bottom: 1px solid var(--color-rule-firm); font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.16em; text-transform: uppercase; color: var(--color-muted); }
.plate-status { margin-left: auto; color: var(--color-signal); display: inline-flex; align-items: center; gap: var(--space-xs); }
.plate-status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--color-signal); }
.plate-cells { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.cell { padding: var(--space-xl) var(--space-lg); display: flex; flex-direction: column; gap: var(--space-xl); min-height: 16rem; }
.cell + .cell { border-left: 1px solid var(--color-rule); }
.cell-k { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.35rem, 2.05vw, 2.05rem); line-height: 0.95; letter-spacing: -0.03em; text-transform: uppercase; }
.cell-v { margin-top: auto; font-size: var(--text-sm); color: var(--color-muted); }
.ledger { margin-top: var(--space-2xl); border-top: 1px solid var(--color-rule); }
.ledger-row { display: grid; grid-template-columns: minmax(0, 8rem) minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-xl); align-items: center; padding: var(--space-lg) 0; border-bottom: 1px solid var(--color-rule); }
.ledger-k { font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.16em; text-transform: uppercase; color: var(--color-faint); }
.is-owned .ledger-k { color: var(--color-signal); }
.ledger-v { color: var(--color-muted); font-size: var(--text-sm); }
.is-owned .ledger-v { color: var(--color-ink); }
.ledger-viz { display: flex; align-items: center; gap: 10px; height: 20px; }
.lv-licensed i { width: 14px; height: 14px; border: 1px solid var(--color-rule-firm); border-radius: 50%; }
.lv-licensed i:nth-child(2n) { border-radius: 0; }
.lv-licensed i:nth-child(3n) { transform: rotate(45deg) scale(0.85); border-radius: 0; }
.lv-owned b { width: 14px; height: 14px; border-radius: 50%; background: var(--color-signal); flex: none; }
.lv-owned i { flex: 1; height: 1px; background: repeating-linear-gradient(90deg, var(--color-signal) 0 1px, transparent 1px 12px); position: relative; }
.lv-owned i::after { content: ""; position: absolute; right: 0; top: -4px; border: 4.5px solid transparent; border-left: 7px solid var(--color-signal); border-right: 0; }

/* ---------- 08 · value ---------- */
.value-h { max-width: 15ch; }
.pillars { margin-top: var(--space-3xl); border-top: 1px solid var(--color-rule); }
.pillar { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 24rem); gap: var(--space-xl); align-items: baseline; padding: var(--space-xl) 0; border-bottom: 1px solid var(--color-rule); }
.pillar:nth-child(2) { padding-left: clamp(0rem, 8vw, 8rem); }
.pillar:nth-child(3) { padding-left: clamp(0rem, 16vw, 16rem); }
.pillar-k { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.75rem, 3.6vw, 3.5rem); line-height: 1; letter-spacing: -0.035em; text-transform: uppercase; min-width: 0; }
.pillar p { color: var(--color-muted); font-size: var(--text-md); max-width: 36ch; }

/* ---------- 09 · creator ---------- */
.band.creator { padding: var(--space-3xl) 0; }
.creator-in { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) minmax(0, 1.3fr); gap: var(--space-xl); align-items: start; }
.creator-h { font-family: var(--font-display); font-weight: 700; font-size: var(--text-xl); line-height: 1.05; letter-spacing: -0.025em; }
.creator-role { margin-top: var(--space-2xs); font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.16em; text-transform: uppercase; color: var(--color-signal); }
.creator-copy { color: var(--color-muted); max-width: 40ch; }
.credits-cap { margin-bottom: var(--space-sm); }
.credits { display: flex; flex-wrap: wrap; gap: var(--space-xs) var(--space-lg); }
.credits li { font-family: var(--font-display); font-weight: 700; font-size: var(--text-md); letter-spacing: -0.01em; color: var(--color-ink-2); white-space: nowrap; }

/* ---------- 10 · CTA ---------- */
.cta { background: var(--color-paper-deep); padding: clamp(7rem, 22vh, 14rem) 0 clamp(5rem, 14vh, 9rem); border-top: 1px solid var(--color-rule); }
.cta-h { font-family: var(--font-display); font-weight: 800; font-size: clamp(2rem, 8vw, 8.5rem); line-height: 0.92; letter-spacing: -0.045em; max-width: 14ch; min-width: 0; }
.cta-sub { margin-top: var(--space-xl); font-family: var(--font-display); font-weight: 500; font-size: var(--text-xl); color: var(--color-signal); letter-spacing: -0.02em; }
.words { margin-top: var(--space-3xl); max-width: 60rem; }
.words legend { font-size: var(--text-md); color: var(--color-muted); margin-bottom: var(--space-lg); max-width: 44ch; }
.words-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-md); }
.word { display: flex; align-items: baseline; gap: var(--space-sm); border-bottom: 1px solid var(--color-rule-firm); padding: var(--space-xs) 0; transition: border-color var(--dur-fast) var(--ease-out); }
.word span { font-family: var(--font-mono); font-size: var(--text-2xs); color: var(--color-faint); letter-spacing: 0.12em; }
.word input {
  flex: 1; min-width: 0; background: transparent; border: 0; padding: var(--space-xs) 0; color: var(--color-ink);
  font-family: var(--font-display); font-weight: 700; font-size: var(--text-xl); letter-spacing: -0.02em;
}
.word input::placeholder { color: var(--color-faint); opacity: 0.55; }
.word input:focus { outline: none; }
.word:focus-within { border-color: var(--color-signal); }
.btn-cta {
  margin-top: var(--space-xl); display: inline-flex; align-items: center; gap: var(--space-sm);
  min-height: 3.5rem; padding: 0 var(--space-xl); border-radius: var(--radius-pill);
  background: var(--color-ink); color: var(--color-paper);
  font-family: var(--font-display); font-weight: 700; font-size: var(--text-base); letter-spacing: 0.02em; text-transform: uppercase; white-space: nowrap;
  transition: background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.btn-cta:hover { background: var(--color-signal); color: var(--color-signal-ink); }
.btn-cta:active { transform: translateY(1px); }
.btn-cta .arr { transition: transform var(--dur-mid) var(--ease-out); }
.btn-cta:hover .arr { transform: translateX(4px); }
.words-status { margin-top: var(--space-md); font-size: var(--text-sm); color: var(--color-muted); min-height: 1.6em; }
.words-status a { color: var(--color-ink); border-bottom: 1px solid var(--color-rule-firm); }

/* ---------- footer · Ft2 inline ---------- */
.foot {
  display: flex; flex-wrap: wrap; gap: var(--space-xs) var(--space-xl); align-items: baseline;
  padding: var(--space-xl) var(--gutter) calc(var(--space-xl) + env(safe-area-inset-bottom, 0px) + 5rem);
  background: var(--color-paper-deep); border-top: 1px solid var(--color-rule);
  font-size: var(--text-xs); color: var(--color-faint);
}
.foot .wm { font-family: var(--font-display); font-weight: 700; color: var(--color-ink-2); font-size: var(--text-sm); }
.foot a:hover { color: var(--color-signal); }
.foot-note { margin-left: auto; }

/* ---------- mini player ---------- */
.mini {
  position: fixed; left: 50%; bottom: calc(env(safe-area-inset-bottom, 0px) + var(--space-md)); z-index: 80;
  width: min(calc(100% - 2 * var(--space-md)), 60rem);
  display: grid; grid-template-columns: auto minmax(0, 12rem) auto minmax(0, 1fr) auto auto; gap: var(--space-md); align-items: center;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-paper-glass); -webkit-backdrop-filter: blur(18px) saturate(1.2); backdrop-filter: blur(18px) saturate(1.2);
  border: 1px solid var(--color-rule-firm); border-radius: var(--radius-pill);
  transform: translate(-50%, 0); transition: transform var(--dur-mid) var(--ease-out), opacity var(--dur-mid) var(--ease-out), visibility 0s;
}
.mini[hidden] { display: grid; visibility: hidden; opacity: 0; transform: translate(-50%, 140%); transition: transform var(--dur-mid) var(--ease-in), opacity var(--dur-mid) var(--ease-in), visibility 0s var(--dur-mid); }
.mini-motif { width: 44px; height: 18px; margin-left: var(--space-xs); }
.mini-title { min-width: 0; line-height: 1.25; }
.mini-k { font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mini-t { font-family: var(--font-display); font-weight: 700; font-size: var(--text-sm); text-transform: uppercase; white-space: nowrap; overflow: hidden; height: 1.3em; position: relative; }
.mini-t span { display: block; overflow: hidden; text-overflow: ellipsis; transition: transform var(--dur-mid) var(--ease-out), opacity var(--dur-mid) var(--ease-out); }
.mini-t span.out { position: absolute; inset: 0 auto auto 0; transform: translateY(-110%); opacity: 0; }
.mini-t span.enter { transform: translateY(110%); opacity: 0; }
.mini-ctrl { display: flex; align-items: center; gap: var(--space-2xs); }
.mini-btn { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; color: var(--color-muted); transition: color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out); }
.mini-btn svg { width: 16px; height: 16px; fill: currentColor; }
.mini-btn:hover { color: var(--color-ink); background: var(--color-paper-3); }
.mini-pp { width: 42px; height: 42px; background: var(--color-ink); color: var(--color-paper); }
.mini-pp svg { width: 18px; height: 18px; }
.mini-pp:hover { background: var(--color-signal); color: var(--color-signal-ink); }
.mini-wave { min-width: 0; }
.mini-wave .wave { height: 32px; }
.mini-time { font-family: var(--font-mono); font-size: var(--text-2xs); color: var(--color-faint); font-variant-numeric: tabular-nums; white-space: nowrap; }
.mini-time span:first-child { color: var(--color-ink); }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .layers { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .layer-empty { grid-column: span 2; }
  .plate-cells { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cell:nth-child(3) { border-left: 0; }
  .cell:nth-child(n + 3) { border-top: 1px solid var(--color-rule); }
  .creator-in { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .creator-credits { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  .top { grid-template-columns: 1fr auto; }
  .top-now { display: none; }
  .idea-head, .exp-head, .own-head { grid-template-columns: minmax(0, 1fr); gap: var(--space-lg); }
  .tree { grid-template-columns: minmax(0, 1fr); min-height: 0; margin-top: var(--space-2xl); }
  .tree-lines { display: none; }
  .tree-root { padding-bottom: var(--space-lg); }
  .tree-arrow { display: inline; margin-right: var(--space-xs); color: var(--color-signal); }
  .leaves li { padding: var(--space-sm) 0; }
  .deck { grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); }
  .where-body { grid-template-columns: minmax(0, 1fr); }
  .readout { position: static; }
  .exp-grid { grid-template-columns: minmax(0, 1fr); }
  .contrast-row { grid-template-columns: minmax(0, 1fr); gap: var(--space-md); }
  .ledger-row { grid-template-columns: minmax(0, 1fr); gap: var(--space-xs); }
  .pillar { grid-template-columns: minmax(0, 1fr); gap: var(--space-xs); }
  .pillar:nth-child(n) { padding-left: 0; }
  .mini { grid-template-columns: minmax(0, 1fr) auto auto; border-radius: 1.25rem; gap: var(--space-xs) var(--space-sm); }
  .mini-wave { grid-column: 1 / -1; grid-row: 2; }
  .mini-time, .mini-motif { display: none; }
}
@media (max-width: 640px) {
  .layers { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .layer { min-height: 8.5rem; }
  .touch { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: var(--space-md); }
  .touch .motif, .g { width: 44px; }
  .plate-cells { grid-template-columns: minmax(0, 1fr); }
  .cell { min-height: 0; gap: var(--space-md); }
  .cell + .cell, .cell:nth-child(3) { border-left: 0; border-top: 1px solid var(--color-rule); }
  .plate-status { margin-left: 0; }
  .where-grid { grid-template-columns: minmax(0, 1fr); }
  .ctx { min-height: 5rem; }
  .readout { display: none; }
  .ctx.is-playing .ctx-detail { display: block; }
  .words-row { grid-template-columns: minmax(0, 1fr); }
  .btn-cta { width: 100%; justify-content: center; padding: 0 var(--space-md); font-size: var(--text-sm); }
  .creator-in { grid-template-columns: minmax(0, 1fr); }
  .hook-foot { flex-direction: column; align-items: flex-start; gap: var(--space-lg); }
  .play-xl { width: 76px; height: 76px; }
  .deck-player { gap: var(--space-sm) var(--space-md); }
  .play-lg { width: 56px; height: 56px; }
  .top-cta { font-size: 0.625rem; letter-spacing: 0.1em; }
  .top-mark .wm { font-size: var(--text-xs); }
  .foot-note { margin-left: 0; }
  .card { min-height: 0; }
  .card-play { grid-template-columns: auto minmax(0, 1fr); }
  .card-time { grid-column: 2; }
}
@media (max-width: 360px) {
  .top-mark > span:first-child, .top-mark .x { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rv, .leaves li { transform: none !important; transition: opacity 150ms linear !important; transition-delay: 0ms !important; }
  .tree-lines path { transition: none; stroke-dashoffset: 0; }
  .spec-motion i::after, .play-xl.is-playing .ring { animation: none; }
  .card:hover .motif svg > g, .card.is-current .motif svg > g, .deck-core:hover .motif svg > g, .dna .motif:hover svg > * { animation: none; }
  .mini, .mini[hidden], .mini-t span, .top-now span { transition: opacity 150ms linear, visibility 0s; transform: translate(-50%, 0); }
  .mini-t span, .top-now span { transform: none; }
}

/* ---------- auto-scroll hand-off from the immersive experience ---------- */
.autoscroll {
  position: fixed; left: 50%; top: calc(env(safe-area-inset-top, 0px) + 4.25rem); z-index: 70;
  display: flex; align-items: center; gap: var(--space-sm);
  padding: var(--space-xs) var(--space-xs) var(--space-xs) var(--space-md);
  background: var(--color-paper-glass); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border: 1px solid var(--color-rule-firm); border-radius: var(--radius-pill);
  font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-ink-2);
  transform: translateX(-50%); white-space: nowrap;
  transition: opacity var(--dur-mid) var(--ease-out), transform var(--dur-mid) var(--ease-out);
}
.autoscroll[hidden] { display: flex; opacity: 0; transform: translate(-50%, -8px); pointer-events: none; visibility: hidden; transition: opacity var(--dur-mid) var(--ease-out), transform var(--dur-mid) var(--ease-out), visibility 0s var(--dur-mid); }
.as-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-signal); animation: as-pulse 1.6s var(--ease-in-out) infinite; }
@keyframes as-pulse { 50% { opacity: 0.3; } }
.as-stop { padding: var(--space-2xs) var(--space-sm); border-radius: var(--radius-pill); border: 1px solid var(--color-rule-firm); color: var(--color-ink); font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.12em; text-transform: uppercase; transition: border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out); }
.as-stop:hover { border-color: var(--color-signal); color: var(--color-signal); }
body.from-experience { animation: from-black 1.2s var(--ease-out) both; }
@keyframes from-black { from { opacity: 0; } }
@media (max-width: 640px) { .as-l { font-size: 0.625rem; } .autoscroll { max-width: calc(100% - 2 * var(--space-md)); } .as-l { overflow: hidden; text-overflow: ellipsis; } }
@media (prefers-reduced-motion: reduce) { .as-dot { animation: none; } body.from-experience { animation-duration: 0.2s; } }

/* ---------- limitless: new music, monthly ---------- */
.limitless { margin-top: var(--space-2xl); padding-top: var(--space-xl); border-top: 1px solid var(--color-rule); display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: var(--space-md) var(--space-xl); align-items: start; }
.limitless-h { font-family: var(--font-display); font-weight: 800; font-size: var(--text-2xl); line-height: 1; letter-spacing: -0.035em; text-transform: uppercase; color: var(--color-signal); }
.limitless-p { font-size: var(--text-md); color: var(--color-ink-2); max-width: 46ch; }
.uses { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: var(--space-xs); margin-top: var(--space-md); }
.uses li { font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-ink-2); padding: var(--space-2xs) var(--space-sm); border: 1px solid var(--color-rule-firm); border-radius: var(--radius-pill); white-space: nowrap; }

/* ---------- the investment ---------- */
.invest { margin-top: var(--space-3xl); }
.invest-h { font-family: var(--font-mono); font-weight: 500; font-size: var(--text-xs); letter-spacing: 0.2em; text-transform: uppercase; color: var(--color-signal); margin-bottom: var(--space-lg); }
.tiers { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--color-rule); border: 1px solid var(--color-rule); }
.tier { background: var(--color-paper-deep); padding: clamp(1.25rem, 2.6vw, 2.25rem); display: flex; flex-direction: column; gap: var(--space-md); transition: background-color var(--dur-mid) var(--ease-out); }
.tier:hover { background: var(--color-paper-2); }
.tier.is-start { box-shadow: inset 0 2px 0 var(--color-signal); }
.tier-k { font-family: var(--font-display); font-weight: 800; font-size: var(--text-lg); letter-spacing: 0.02em; text-transform: uppercase; }
.tier-name { margin: 0; font-family: var(--font-display); font-weight: 500; font-size: var(--text-md); color: var(--color-ink-2); padding-bottom: var(--space-md); border-bottom: 1px solid var(--color-rule); }
.tier-price { font-family: var(--font-display); font-weight: 700; font-size: clamp(2rem, 3.4vw, 3rem); letter-spacing: -0.03em; line-height: 1; padding-bottom: var(--space-md); border-bottom: 1px solid var(--color-rule); }
.tier-price span { font-family: var(--font-body); font-weight: 400; font-size: var(--text-base); letter-spacing: 0; color: var(--color-muted); }
.tier-list { display: grid; }
.tier-list li { padding: var(--space-sm) 0; border-bottom: 1px solid var(--color-rule); color: var(--color-ink-2); font-size: var(--text-sm); }
.tier-list li:last-child { color: var(--color-ink); font-weight: 500; }
.tier-cta { margin-top: auto; align-self: flex-start; display: inline-flex; align-items: center; gap: var(--space-xs); min-height: 2.75rem; padding: 0 var(--space-lg); border-radius: var(--radius-pill); border: 1px solid var(--color-rule-firm); font-family: var(--font-display); font-weight: 700; font-size: var(--text-sm); letter-spacing: 0.02em; text-transform: uppercase; white-space: nowrap; transition: background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out); }
.tier-cta:hover { background: var(--color-signal); border-color: var(--color-signal); color: var(--color-signal-ink); }
.tier.is-start .tier-cta { background: var(--color-ink); color: var(--color-paper); border-color: var(--color-ink); }
.tier.is-start .tier-cta:hover { background: var(--color-signal); border-color: var(--color-signal); color: var(--color-signal-ink); }
.invest-note { margin-top: var(--space-xl); font-family: var(--font-display); font-weight: 500; font-size: var(--text-lg); line-height: 1.3; letter-spacing: -0.01em; max-width: 40ch; }
@media (max-width: 900px) {
  .tiers { grid-template-columns: minmax(0, 1fr); }
  .limitless { grid-template-columns: minmax(0, 1fr); }
  .tier-cta { align-self: stretch; justify-content: center; }
}

/* words are never split mid-word; sizes above are tuned so every heading fits from 320 px to 2560 px */
h1, h2, h3, h4, .statement, .cell-k, .pillar-k, .card-name, .cta-h, .tier-k, .limitless-h { overflow-wrap: normal; word-break: normal; hyphens: none; }

@media (max-width: 640px) { .top-mark .bp, .top-mark .x { display: none; } }   /* phones: wordmark only; the hero kicker still says "Private presentation" */

/* ---------- socials ---------- */
.socials { display: flex; gap: var(--space-lg); margin-top: var(--space-lg); }
.socials a, .foot-social a { color: var(--color-ink-2); border-bottom: 1px solid var(--color-rule-firm); padding-bottom: 2px; transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out); }
.socials a { font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.14em; text-transform: uppercase; }
.socials a:hover, .foot-social a:hover { color: var(--color-signal); border-color: var(--color-signal); }
.foot-social { display: flex; gap: var(--space-xs); }

/* ---------- contact window ---------- */
.contact {
  width: min(calc(100% - 2 * var(--space-md)), 34rem); max-height: calc(100dvh - 2 * var(--space-md));
  padding: clamp(1.5rem, 4vw, 2.5rem); margin: auto; overflow: auto;
  background: var(--color-paper-2); color: var(--color-ink); border: 1px solid var(--color-rule-firm); border-radius: var(--radius-sm);
}
.contact::backdrop { background: oklch(8% 0.004 250 / 0.72); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.contact[open] { animation: contact-in 320ms var(--ease-out); }
@keyframes contact-in { from { opacity: 0; transform: translateY(12px); } }
.contact-x { position: absolute; top: var(--space-sm); right: var(--space-sm); width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; color: var(--color-muted); transition: color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out); }
.contact-x svg { width: 18px; height: 18px; fill: currentColor; }
.contact-x:hover { color: var(--color-ink); background: var(--color-paper-3); }
.contact-k { font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.18em; text-transform: uppercase; color: var(--color-signal); padding-right: 2.5rem; }
.contact-h { margin: var(--space-sm) 0 0; font-family: var(--font-display); font-weight: 800; font-size: var(--text-2xl); line-height: 1; letter-spacing: -0.035em; }
.contact-p { margin-top: var(--space-md); color: var(--color-muted); font-size: var(--text-sm); max-width: 40ch; }
.contact-rows { margin-top: var(--space-xl); border-top: 1px solid var(--color-rule); }
.contact-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: "l a" "v a"; gap: 2px var(--space-md); align-items: center; padding: var(--space-md) 0; border-bottom: 1px solid var(--color-rule); }
.contact-l { grid-area: l; font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.16em; text-transform: uppercase; color: var(--color-faint); }
.contact-v { grid-area: v; font-family: var(--font-display); font-weight: 700; font-size: var(--text-md); letter-spacing: -0.01em; overflow-wrap: anywhere; user-select: all; }
.contact-actions { grid-area: a; display: flex; gap: var(--space-xs); }
.contact-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 2.5rem; min-width: 4.75rem; padding: 0 var(--space-md); border-radius: var(--radius-pill); border: 1px solid var(--color-rule-firm); font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-ink); white-space: nowrap; transition: background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out); }
.contact-btn:hover { border-color: var(--color-signal); color: var(--color-signal); }
.contact-btn.is-done { background: var(--color-signal); border-color: var(--color-signal); color: var(--color-signal-ink); }
.contact-social { display: flex; gap: var(--space-lg); margin-top: var(--space-lg); font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.14em; text-transform: uppercase; }
.contact-social a { color: var(--color-ink-2); border-bottom: 1px solid var(--color-rule-firm); padding-bottom: 2px; }
.contact-social a:hover { color: var(--color-signal); border-color: var(--color-signal); }
.contact-status { margin-top: var(--space-sm); min-height: 1.4em; font-size: var(--text-xs); color: var(--color-muted); }
@media (max-width: 480px) {
  .contact-row { grid-template-columns: minmax(0, 1fr); grid-template-areas: "l" "v" "a"; gap: var(--space-2xs); }
  .contact-actions { margin-top: var(--space-xs); }
  .contact-btn { flex: 1; }
}
@media (prefers-reduced-motion: reduce) { .contact[open] { animation: none; } }