/* ─────────────────────────────────────────────────────────────
   NeuroNest home (V2, Oct 2026).
   One theme (dark), one accent (brand gold), one type family
   (Outfit, DM Mono for numbers). Shape rule: buttons and chips
   are pills, cards/media are 18px, inputs are 10px.
   Gold = NeuroNest sound. Grey/white = the world competing.
   ───────────────────────────────────────────────────────────── */
:root {
    --bg: #0b0b0e;
    --bg-2: #101015;
    --surface: #15151b;
    --surface-2: #1b1b22;
    --line: rgba(255, 255, 255, 0.09);
    --line-strong: rgba(255, 255, 255, 0.2);
    --text: #f2f1ec;
    --text-2: #b9b8b0;
    --muted: #8d8c85;
    --accent: #E0B100;
    --accent-hover: #f0c31a;
    --accent-ink: #14120a;
    --accent-soft: rgba(224, 177, 0, 0.14);
    --r-card: 18px;
    --r-input: 10px;
    --nav-h: 72px;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: 'Outfit', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.55;
    overflow-x: hidden;
}
img, video, canvas, svg { display: block; max-width: 100%; }
[hidden] { display: none !important; }
a { color: inherit; }
button { font: inherit; color: inherit; }
::selection { background: rgba(224, 177, 0, 0.35); }
.container { width: min(1200px, 100% - 48px); margin-inline: auto; }
.mono { font-family: 'DM Mono', ui-monospace, monospace; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ── Nav ─────────────────────────────────────────────────────── */
header.nav {
    position: fixed; inset: 0 0 auto 0; height: var(--nav-h); z-index: 100;
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 0 clamp(20px, 3.5vw, 40px);
    background: linear-gradient(to bottom, rgba(11, 11, 14, 0.86), rgba(11, 11, 14, 0));
}
.wordmark {
    font-weight: 800; font-size: 20px; letter-spacing: -0.02em; text-decoration: none;
    color: var(--text); line-height: 1; display: inline-flex; align-items: baseline; gap: 6px;
}
.wordmark small { font-weight: 500; font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--text-2); }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
    text-decoration: none; color: var(--text-2); font-size: 14px; font-weight: 500;
    padding: 9px 13px; border-radius: 999px; transition: color .15s, background .15s;
}
.nav-links a:hover { color: var(--text); background: rgba(255, 255, 255, 0.06); }
.nav-right { display: flex; align-items: center; gap: 10px; }
.btn-nav { padding: 11px 18px; font-size: 14px; }
.menu-wrap { position: relative; display: none; flex-direction: column; align-items: flex-end; }
.menu-btn {
    background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px; padding: 10px 14px; color: var(--text);
    font: 500 12px/1 'Outfit', sans-serif; letter-spacing: 0.16em; text-transform: uppercase;
    cursor: pointer; display: inline-flex; align-items: center; gap: 8px;
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    transition: background .2s, border-color .2s, transform .15s;
}
.menu-btn:hover { background: rgba(255, 255, 255, 0.12); border-color: rgba(255, 255, 255, 0.32); }
.menu-btn:active { transform: scale(0.98); }
.menu-btn .chevron { display: inline-block; font-size: 9px; transition: transform .3s var(--ease); }
.menu-wrap.is-open .menu-btn .chevron { transform: rotate(180deg); }
.menu-dropdown {
    position: absolute; top: calc(100% + 10px); right: 0; min-width: 220px;
    background: rgba(16, 16, 21, 0.94); border: 1px solid var(--line-strong); border-radius: 14px;
    padding: 8px; display: flex; flex-direction: column; gap: 2px;
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    opacity: 0; visibility: hidden; transform: translateY(-6px);
    transition: opacity .2s, transform .25s var(--ease), visibility 0s linear .25s;
}
.menu-wrap.is-open .menu-dropdown { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
.menu-option {
    text-decoration: none; color: var(--text-2); font-size: 15px; font-weight: 500;
    padding: 11px 12px; border-radius: 8px; transition: background .15s, color .15s;
}
.menu-option:hover { background: rgba(255, 255, 255, 0.07); color: var(--text); }

/* ── Buttons, chips, links ───────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    padding: 15px 26px; border-radius: 999px; text-decoration: none; white-space: nowrap;
    font: 600 15px/1 'Outfit', sans-serif; letter-spacing: 0.01em; cursor: pointer; border: 1px solid transparent;
    transition: transform .18s var(--ease), background .2s, border-color .2s, box-shadow .25s, opacity .2s;
}
.btn:active { transform: translateY(1px) scale(0.985); }
.btn[disabled] { opacity: 0.55; cursor: default; transform: none; }
.btn-primary { background: var(--accent); color: var(--accent-ink); box-shadow: 0 10px 30px -12px rgba(224, 177, 0, 0.55); }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 16px 34px -12px rgba(224, 177, 0, 0.6); }
.btn svg { width: 16px; height: 16px; flex: none; }
.btn-ghost { background: rgba(255, 255, 255, 0.04); border-color: rgba(255, 255, 255, 0.28); color: var(--text); }
.btn-ghost:hover { border-color: rgba(255, 255, 255, 0.55); background: rgba(255, 255, 255, 0.08); transform: translateY(-2px); }
.btn-sm { padding: 11px 18px; font-size: 14px; }
.link-arrow {
    display: inline-flex; align-items: center; gap: 8px; text-decoration: none; color: var(--accent);
    font-weight: 600; font-size: 15px; border-bottom: 1px solid rgba(224, 177, 0, 0.35); padding-bottom: 2px;
    transition: border-color .2s, gap .2s;
}
.link-arrow:hover { border-color: var(--accent); gap: 12px; }
.chip {
    display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: 999px;
    background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.2); color: var(--text-2);
    font: 500 14px/1.2 'Outfit', sans-serif; cursor: pointer; text-decoration: none; white-space: nowrap;
    transition: background .18s, border-color .18s, color .18s, transform .18s var(--ease);
}
.chip:hover { border-color: rgba(255, 255, 255, 0.45); color: var(--text); }
.chip:active { transform: scale(0.98); }
.chip[aria-pressed="true"], .chip.is-on { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.play-btn {
    display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px 10px 12px; border-radius: 999px;
    background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.22); color: var(--text);
    font: 600 13px/1 'Outfit', sans-serif; cursor: pointer; white-space: nowrap;
    transition: background .18s, border-color .18s, color .18s;
}
.play-btn:hover { border-color: rgba(255, 255, 255, 0.5); }
.play-btn svg { width: 14px; height: 14px; }
.play-btn .ic-stop { display: none; }
.play-btn[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.play-btn[aria-pressed="true"] .ic-play { display: none; }
.play-btn[aria-pressed="true"] .ic-stop { display: block; }
.play-btn.is-loading { opacity: 0.7; }

/* ── Range sliders ───────────────────────────────────────────── */
.slider { -webkit-appearance: none; appearance: none; width: 100%; height: 30px; background: transparent; cursor: pointer; --pct: 50%; }
.slider::-webkit-slider-runnable-track { height: 4px; border-radius: 2px; background: linear-gradient(90deg, var(--accent) var(--pct), rgba(255, 255, 255, 0.16) var(--pct)); }
.slider::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; margin-top: -9px; border-radius: 50%; background: var(--text); border: 3px solid var(--bg); box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.3); transition: transform .15s; }
.slider:active::-webkit-slider-thumb { transform: scale(1.08); }
.slider::-moz-range-track { height: 4px; border-radius: 2px; background: rgba(255, 255, 255, 0.16); }
.slider::-moz-range-progress { height: 4px; border-radius: 2px; background: var(--accent); }
.slider::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: var(--text); border: 3px solid var(--bg); box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.3); }
.slider:focus-visible { outline: none; }
.slider:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 4px rgba(224, 177, 0, 0.4); }
.slider:focus-visible::-moz-range-thumb { box-shadow: 0 0 0 4px rgba(224, 177, 0, 0.4); }
.slider-row { display: grid; gap: 6px; }
.slider-ends { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); }
.slider-label { font-size: 14px; font-weight: 600; color: var(--text-2); display: flex; justify-content: space-between; align-items: baseline; }
.slider-label .mono { color: var(--text); font-size: 13px; }

/* ── Section rhythm ──────────────────────────────────────────── */
section.block { padding: clamp(72px, 10vw, 128px) 0; }
.h2 { font-size: clamp(32px, 4.2vw, 56px); font-weight: 700; letter-spacing: -0.03em; line-height: 1.04; text-wrap: balance; }
.h3 { font-size: clamp(22px, 2.2vw, 28px); font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; }
.lede { margin-top: 18px; font-size: clamp(16px, 1.3vw, 19px); color: var(--text-2); max-width: 58ch; text-wrap: pretty; }
.lede strong { color: var(--text); font-weight: 600; }
.keyline { margin-top: 28px; font-size: clamp(20px, 2vw, 26px); font-weight: 600; letter-spacing: -0.02em; color: var(--accent); }
.section-head { max-width: 760px; }
[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .8s var(--ease), transform .9s var(--ease); }
[data-reveal].in { opacity: 1; transform: none; }
.divider { border: 0; border-top: 1px solid var(--line); }

/* ── Hero: the Living Sound Landscape ─────────────────────────── */
.hero {
    position: relative; min-height: 100vh; min-height: 100dvh; display: flex; align-items: center;
    padding: calc(var(--nav-h) + 16px) 0 150px; overflow: hidden; isolation: isolate; background: var(--bg);
}
.stage { position: absolute; inset: 0; z-index: -1; background: var(--bg); }
.stage-poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 62% 56%; opacity: 0; transition: opacity 1s var(--ease); }
.stage-poster.is-on { opacity: 1; }
.stage.has-scene .stage-poster { opacity: 0; }
.stage-canvas { position: absolute; inset: 0; opacity: 0; transition: opacity 1.4s var(--ease); }
.stage-canvas canvas { position: absolute; inset: 0; width: 100% !important; height: 100% !important; display: block; }
.stage.has-scene .stage-canvas { opacity: 1; }
.stage-scrim { position: absolute; inset: 0; pointer-events: none; background: linear-gradient(90deg, rgba(11, 11, 14, 0.86) 0%, rgba(11, 11, 14, 0.6) 38%, rgba(11, 11, 14, 0) 62%), linear-gradient(180deg, rgba(11, 11, 14, 0.5) 0%, rgba(11, 11, 14, 0) 22%, rgba(11, 11, 14, 0) 80%, rgba(11, 11, 14, 0.45) 100%); }
.stage-labels { position: absolute; inset: 0; pointer-events: none; }
.stage-labels .lbl { position: absolute; left: 0; top: 0; width: 0; height: 0; opacity: 0; transform: translate(-9999px, -9999px); transition: opacity .6s; }
.stage-labels .line { position: absolute; left: 0; bottom: 0; width: 1px; height: 64px; background: rgba(242, 241, 236, 0.5); }
.stage-labels .dot { position: absolute; left: -3.5px; bottom: 62px; width: 8px; height: 8px; border-radius: 50%; background: #EBD26C; box-shadow: 0 0 0 3px rgba(235, 210, 108, 0.18); }
.stage-labels .txt { position: absolute; left: 12px; bottom: 56px; white-space: nowrap; font: 500 13px 'DM Mono', ui-monospace, monospace; letter-spacing: 0.04em; color: var(--text); text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr); }
.hero-copy { max-width: 600px; }
.hero h1 { font-size: clamp(42px, 4.6vw, 64px); font-weight: 800; letter-spacing: -0.035em; line-height: 1.0; color: var(--text); text-wrap: balance; }
.hero p { margin-top: 24px; font-size: clamp(17px, 1.5vw, 21px); color: var(--text-2); max-width: 520px; line-height: 1.5; text-wrap: pretty; }
.hero-actions { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.stage-ui { position: absolute; right: clamp(20px, 3.5vw, 40px); bottom: 36px; z-index: 2; max-width: 420px; display: grid; gap: 12px; justify-items: end; text-align: right; padding: 16px 18px; border-radius: 18px; background: rgba(16, 16, 21, 0.62); border: 1px solid rgba(255, 255, 255, 0.08); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.stage-caption { font-size: 15px; color: var(--text); line-height: 1.45; text-wrap: pretty; min-height: 22px; }
.stage-controls { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.stage-controls .play-btn { background: rgba(255, 255, 255, 0.06); }
.stage-controls .play-btn[aria-pressed="true"] { background: var(--accent); }
.hero [data-in] { opacity: 0; transform: translateY(18px); animation: rise .9s var(--ease) forwards; }
.hero h1[data-in] { animation-delay: .05s; }
.hero p[data-in] { animation-delay: .22s; }
.hero .hero-actions[data-in] { animation-delay: .38s; }
.hero .stage-ui[data-in] { animation-delay: .6s; }
@keyframes rise { to { opacity: 1; transform: none; } }

/* ── Masking: before / after slider ──────────────────────────── */
.mask-demo { margin-top: 44px; border: 1px solid var(--line); border-radius: var(--r-card); background: var(--surface); padding: clamp(18px, 3vw, 32px); }
.mask-stage { position: relative; }
.mask-stage svg { width: 100%; height: auto; }
.mask-stage .peak-dim { fill: rgba(242, 241, 236, 0.16); }
.mask-stage .peak-live { fill: rgba(242, 241, 236, 0.92); }
.mask-stage .dim { stroke: rgba(242, 241, 236, 0.75); stroke-width: 1.2; transition: opacity .15s linear; }
.mask-stage .dimlbl { font: 500 12px 'DM Mono', monospace; fill: var(--text); }
.mask-stage .dimlbl.is-zero { fill: var(--accent); }
.mask-stage .axis-label { font: 500 11px 'DM Mono', monospace; fill: var(--muted); letter-spacing: 0.06em; }
.mask-stage .floor-label { fill: var(--accent); transition: opacity .2s; }
.mask-stage .floor { stroke: rgba(242, 241, 236, 0.28); stroke-width: 1.2; fill: none; }
.mask-stage .field { fill: url(#fieldGrad); }
.mask-stage .field-edge { stroke: var(--accent); stroke-width: 1.5; fill: none; }
.mask-stage .plabel { font: 500 12px 'DM Mono', monospace; fill: var(--muted); text-anchor: middle; letter-spacing: 0.04em; }
.mask-metric { margin-top: 22px; padding-top: 22px; border-top: 1px solid var(--line); display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 18px 32px; align-items: center; }
.mm-head h3 { font-size: 20px; font-weight: 700; letter-spacing: -0.02em; }
.mm-head p { margin-top: 6px; font-size: 14px; color: var(--muted); line-height: 1.45; max-width: 40ch; }
.mm-tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.mm-tile { border: 1px solid var(--line); border-radius: 14px; background: var(--bg-2); padding: 14px 16px; display: grid; gap: 2px; }
.mm-tile.mm-live { border-color: rgba(224, 177, 0, 0.5); background: linear-gradient(180deg, rgba(224, 177, 0, 0.1), rgba(224, 177, 0, 0.02)); }
.mm-k { font-size: 13px; font-weight: 600; color: var(--text-2); }
.mm-v { font-size: clamp(28px, 2.6vw, 36px); line-height: 1.1; color: var(--text); font-weight: 500; }
.mm-live .mm-v { color: var(--accent); }
.mm-s { font-size: 12px; color: var(--muted); line-height: 1.35; }
.mask-controls { margin-top: 22px; display: grid; gap: 8px; }
.mask-ends { display: flex; justify-content: space-between; font-size: 14px; font-weight: 600; color: var(--text-2); }
.mask-ends span:last-child { color: var(--accent); }
.mask-copy { margin-top: 36px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: start; }
.mask-copy p { color: var(--text-2); font-size: 17px; max-width: 48ch; }
.mask-copy p + p { margin-top: 14px; }

/* ── Use cases: four doors ───────────────────────────────────── */
.use-grid { margin-top: 40px; display: grid; gap: 14px; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.use-card {
    position: relative; overflow: hidden; border-radius: var(--r-card); text-align: left;
    border: 1px solid var(--line); background: var(--surface); isolation: isolate; cursor: pointer;
    min-height: 300px; display: flex; align-items: flex-end; padding: 0;
    transition: transform .5s var(--ease), border-color .3s, box-shadow .3s;
}
.use-card:hover { transform: translateY(-3px); border-color: rgba(255, 255, 255, 0.35); }
.use-card[aria-pressed="true"] { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), 0 24px 50px -30px rgba(224, 177, 0, 0.5); }
.use-card img {
    position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2;
    filter: saturate(0.7) brightness(0.55); transition: transform 1.1s var(--ease), filter .5s;
}
.use-card:hover img, .use-card[aria-pressed="true"] img { transform: scale(1.04); filter: saturate(0.9) brightness(0.68); }
.use-card::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(11, 11, 14, 0.05) 25%, rgba(11, 11, 14, 0.9) 100%); }
.use-body { padding: 22px 22px 20px; }
.use-card h3 { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; }
.use-card p { margin-top: 8px; color: var(--text-2); font-size: 15px; line-height: 1.4; }
.use-pick { margin-top: 14px; display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--accent); }
.use-card[aria-pressed="true"] .use-pick::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.recs { margin-top: 18px; border: 1px solid var(--line); border-radius: var(--r-card); background: var(--surface); padding: clamp(18px, 3vw, 28px); }
.recs-empty { color: var(--muted); font-size: 16px; }
.recs-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 12px; }
.recs-head h3 { font-size: 20px; font-weight: 700; letter-spacing: -0.02em; }
.recs-head h3 span { color: var(--accent); }
.recs-list { margin-top: 18px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.rec {
    border: 1px solid var(--line); border-radius: 14px; background: var(--bg-2); padding: 18px;
    display: flex; flex-direction: column; gap: 6px; min-height: 150px;
}
.rec .rec-name { font-size: 13px; color: var(--muted); }
.rec h4 { font-size: 19px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; }
.rec p { font-size: 14px; color: var(--text-2); line-height: 1.45; flex: 1; }
.rec .play-btn { align-self: flex-start; margin-top: 8px; }
.recs[hidden] { display: none; }

/* ── Five-minute experiment ──────────────────────────────────── */
.exp { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.exp-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.exp-panel { border: 1px solid var(--line-strong); border-radius: var(--r-card); background: var(--surface); padding: clamp(20px, 3vw, 32px); box-shadow: 0 40px 80px -40px rgba(0, 0, 0, 0.8); }
.exp-stage { display: none; }
.exp-stage.is-active { display: block; }
.exp-q { font-size: 15px; font-weight: 600; color: var(--text-2); margin-bottom: 12px; }
.exp-block + .exp-block { margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--line); }
.exp-start { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.exp-note { font-size: 13px; color: var(--muted); }
.exp-run { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 28px; align-items: center; }
.ring { position: relative; width: 168px; height: 168px; }
.ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring .track { stroke: rgba(255, 255, 255, 0.12); fill: none; stroke-width: 6; }
.ring .prog { stroke: var(--accent); fill: none; stroke-width: 6; stroke-linecap: round; transition: stroke-dashoffset .95s linear; }
.ring .time { position: absolute; inset: 0; display: grid; place-items: center; font: 500 36px/1 'DM Mono', monospace; letter-spacing: -0.02em; }
.exp-run h3 { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; }
.exp-run p { margin-top: 8px; color: var(--text-2); font-size: 16px; max-width: 40ch; }
.exp-run .exp-sound { margin-top: 6px; font-size: 14px; color: var(--muted); }
.exp-run .exp-sound b { color: var(--text); font-weight: 600; }
.exp-run-actions { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 10px; }
.exp-done h3 { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; }
.exp-done .lede-sm { margin-top: 8px; color: var(--text-2); font-size: 16px; }
.exp-form { margin-top: 22px; display: grid; gap: 20px; }
.exp-consent { margin-top: 4px; padding: 14px 16px; border-radius: var(--r-input); background: rgba(255, 255, 255, 0.04); border: 1px solid var(--line); font-size: 13px; color: var(--text-2); line-height: 1.5; }
.exp-consent b { color: var(--text); font-weight: 600; }
.exp-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.exp-result { margin-top: 10px; }
.exp-result .delta { display: flex; gap: 24px; flex-wrap: wrap; margin-top: 16px; }
.exp-result .delta div { display: grid; gap: 2px; }
.exp-result .delta .mono { font-size: 30px; line-height: 1; }
.exp-result .delta small { font-size: 13px; color: var(--muted); }
.exp-status { min-height: 20px; font-size: 14px; color: #ffb4a8; }

/* ── More than ambience: two columns ─────────────────────────── */
.compare { margin-top: 40px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); border: 1px solid var(--line); border-radius: var(--r-card); overflow: hidden; }
.compare-col { padding: clamp(22px, 3vw, 36px); }
.compare-col + .compare-col { border-left: 1px solid var(--line); background: linear-gradient(180deg, rgba(224, 177, 0, 0.06), rgba(224, 177, 0, 0.01)); }
.compare-col h3 { font-size: 20px; font-weight: 700; letter-spacing: -0.02em; }
.compare-col + .compare-col h3 { color: var(--accent); }
.compare-col ul { margin-top: 18px; list-style: none; display: grid; gap: 12px; }
.compare-col li { position: relative; padding-left: 22px; color: var(--text-2); font-size: 16px; line-height: 1.45; }
.compare-col li::before { content: ''; position: absolute; left: 0; top: 10px; width: 10px; height: 2px; background: var(--line-strong); }
.compare-col + .compare-col li { color: var(--text); }
.compare-col + .compare-col li::before { background: var(--accent); }

/* ── Builder ─────────────────────────────────────────────────── */
.builder { margin-top: 40px; display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: 0; border: 1px solid var(--line-strong); border-radius: var(--r-card); overflow: hidden; background: var(--surface); }
.builder-controls { padding: clamp(20px, 3vw, 32px); display: grid; gap: 24px; align-content: start; }
.builder-viz { position: relative; border-left: 1px solid var(--line); background: var(--bg-2); display: flex; flex-direction: column; }
.builder-viz > svg { width: 100%; height: auto; flex: 1; }
.builder-foot { padding: 18px clamp(20px, 3vw, 28px) 22px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }
.builder-foot .now { font-size: 14px; color: var(--text-2); }
.builder-foot .now b { color: var(--text); font-weight: 600; }
.ctl-group { display: grid; gap: 10px; }
.ctl-group > span { font-size: 14px; font-weight: 600; color: var(--text-2); }
.builder-note { font-size: 13px; color: var(--muted); line-height: 1.5; }
.context-hint { font-size: 14px; color: var(--text-2); min-height: 20px; }
.context-hint b { color: var(--accent); font-weight: 600; }


/* ── Paths: Use / Learn / Research ───────────────────────────── */
.paths { margin-top: 40px; display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); grid-auto-rows: minmax(200px, auto); gap: 14px; }
.path {
    position: relative; display: flex; flex-direction: column; justify-content: flex-end; text-decoration: none; color: var(--text);
    border: 1px solid var(--line); border-radius: var(--r-card); background: var(--surface); overflow: hidden; isolation: isolate;
    padding: 26px; transition: transform .5s var(--ease), border-color .3s;
}
.path:hover { transform: translateY(-3px); border-color: rgba(224, 177, 0, 0.5); }
.path h3 { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; }
.path p { margin-top: 8px; color: var(--text-2); font-size: 16px; max-width: 42ch; }
.path .go { margin-top: 16px; display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: var(--accent); }
.path .go svg { width: 14px; height: 14px; transition: transform .25s var(--ease); }
.path:hover .go svg { transform: translateX(3px); }
.path-use { grid-row: 1 / 3; min-height: 440px; }
.path-use img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top left; z-index: -2; filter: brightness(0.5) saturate(0.8); transition: transform 1.2s var(--ease); }
.path-use:hover img { transform: scale(1.03); }
.path-use::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(11, 11, 14, 0.15) 0%, rgba(11, 11, 14, 0.6) 45%, rgba(11, 11, 14, 0.97) 100%); }
.path-use h3 { font-size: clamp(28px, 3vw, 38px); }

/* ── Join the list (preserved) ───────────────────────────────── */
.join { background: var(--bg-2); border-top: 1px solid var(--line); }
.join-inner { max-width: 620px; margin-inline: auto; text-align: center; }
.form { margin-top: 36px; display: grid; gap: 18px; text-align: left; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 8px; }
.field label { font-size: 13px; font-weight: 600; letter-spacing: 0.02em; color: var(--text-2); }
.field input, .field select {
    width: 100%; background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--r-input);
    padding: 14px 16px; color: var(--text); font: 400 16px 'Outfit', sans-serif; outline: none;
    transition: border-color .2s, box-shadow .2s;
}
.field select { appearance: none; -webkit-appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--text-2) 50%), linear-gradient(135deg, var(--text-2) 50%, transparent 50%); background-position: calc(100% - 22px) 55%, calc(100% - 16px) 55%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 44px; }
.field input::placeholder { color: var(--muted); }
.field input:focus, .field select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(224, 177, 0, 0.18); }
.field.err input { border-color: #ff8a7a; }
.field-error { font-size: 13px; color: #ffb4a8; display: none; }
.field.err .field-error { display: block; }
.form .btn { width: 100%; padding: 17px 26px; font-size: 16px; }
.form-note { font-size: 13px; color: var(--muted); text-align: center; margin-top: 14px; }
.form-status { min-height: 20px; font-size: 14px; color: #ffb4a8; text-align: center; }
.success { display: none; padding: 40px 20px 8px; }
.success .tick { width: 56px; height: 56px; margin: 0 auto 18px; border-radius: 50%; background: rgba(224, 177, 0, 0.12); border: 1px solid rgba(224, 177, 0, 0.5); display: grid; place-items: center; color: var(--accent); }
.success .tick svg { width: 24px; height: 24px; }
.success h3 { font-size: 30px; font-weight: 700; letter-spacing: -0.02em; }
.success p { margin-top: 10px; color: var(--text-2); max-width: 44ch; margin-inline: auto; }
.success .btn { margin-top: 26px; }
.join.done .form, .join.done .form-note { display: none; }
.join.done .success { display: block; }

/* ── Final CTA band ──────────────────────────────────────────── */
.final { position: relative; overflow: hidden; isolation: isolate; padding: clamp(96px, 13vw, 170px) 0; text-align: center; }
.final video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; filter: brightness(0.55); }
.final::after { content: ''; position: absolute; inset: 0; z-index: -1; background: radial-gradient(60% 70% at 50% 50%, rgba(11, 11, 14, 0.3) 0%, rgba(11, 11, 14, 0.88) 100%); }
.final .h2 { max-width: 16ch; margin-inline: auto; }
.final .lede { margin-inline: auto; text-align: center; }
.final-actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* ── Footer (preserved) ──────────────────────────────────────── */
footer { padding: 80px 24px 40px; text-align: center; border-top: 1px solid var(--line); }
.footer-title { font-size: clamp(40px, 6vw, 72px); font-weight: 800; letter-spacing: 0.04em; line-height: 1.02; color: rgba(242, 241, 236, 0.9); }
.social-links { display: flex; justify-content: center; gap: 18px; margin: 36px 0 28px; }
.social-links a { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line-strong); display: grid; place-items: center; color: var(--text-2); transition: border-color .2s, color .2s, transform .2s; }
.social-links a:hover { border-color: var(--accent); color: var(--text); transform: translateY(-2px); }
.social-links svg { width: 18px; height: 18px; fill: currentColor; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 22px; margin-bottom: 22px; }
.footer-links a { font-size: 14px; color: var(--text-2); text-decoration: none; }
.footer-links a:hover { color: var(--text); }
.footer-copy { font-size: 13px; color: var(--muted); letter-spacing: 0.04em; }

/* ── Now playing pill + mobile bar ───────────────────────────── */
.now-playing {
    position: fixed; right: 16px; bottom: 16px; z-index: 95; display: none; align-items: center; gap: 12px;
    padding: 10px 10px 10px 16px; border-radius: 999px; background: rgba(16, 16, 21, 0.92); border: 1px solid var(--line-strong);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.8);
    font-size: 14px; color: var(--text-2);
}
.now-playing.is-on { display: inline-flex; }
.now-playing b { color: var(--text); font-weight: 600; }
.now-playing .bars { display: inline-flex; align-items: flex-end; gap: 2px; height: 14px; }
.now-playing .bars i { width: 3px; background: var(--accent); border-radius: 1px; animation: bar 1.1s ease-in-out infinite; height: 40%; }
.now-playing .bars i:nth-child(2) { animation-delay: .2s; } .now-playing .bars i:nth-child(3) { animation-delay: .4s; }
@keyframes bar { 0%, 100% { height: 35%; } 50% { height: 100%; } }
.now-playing button { border: 1px solid var(--line-strong); background: rgba(255, 255, 255, 0.06); color: var(--text); border-radius: 999px; padding: 8px 14px; font: 600 13px/1 'Outfit', sans-serif; cursor: pointer; }
.mobile-bar {
    position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 96; display: none; gap: 10px;
    padding: 10px; border-radius: 999px; background: rgba(16, 16, 21, 0.92); border: 1px solid var(--line-strong);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.8);
    transform: translateY(120%); transition: transform .4s var(--ease);
}
.mobile-bar.show { transform: none; }
.mobile-bar .btn { flex: 1; padding: 14px 10px; font-size: 14px; }

/* ── Responsive collapse (explicit per section) ──────────────── */
@media (max-width: 1100px) {
    .mask-metric { grid-template-columns: 1fr; }
    .use-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .framework { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 24px; }
    .framework div { padding-bottom: 18px; }
}
@media (max-width: 900px) {
    .nav-links { display: none; }
    .menu-wrap { display: inline-flex; }
    .hero { align-items: flex-start; padding-top: calc(var(--nav-h) + 24px); padding-bottom: 150px; }
    .stage-poster { object-position: 50% 78%; }
    .stage-scrim { background: linear-gradient(180deg, rgba(11, 11, 14, 0.9) 0%, rgba(11, 11, 14, 0.78) 34%, rgba(11, 11, 14, 0) 56%, rgba(11, 11, 14, 0) 80%, rgba(11, 11, 14, 0.6) 100%); }
    .stage-ui { left: 16px; right: 16px; bottom: 20px; max-width: none; justify-items: start; text-align: left; padding: 14px 16px; }
    .stage-controls { justify-content: flex-start; }
    .stage-labels .line { height: 40px; } .stage-labels .dot { bottom: 38px; } .stage-labels .txt { bottom: 32px; font-size: 12px; }
    .mask-copy { grid-template-columns: 1fr; }
    .recs-list { grid-template-columns: 1fr; }
    .exp-grid { grid-template-columns: 1fr; }
    .layers-grid { grid-template-columns: 1fr; }
    .compare { grid-template-columns: 1fr; }
    .compare-col + .compare-col { border-left: 0; border-top: 1px solid var(--line); }
    .builder { grid-template-columns: 1fr; }
    .builder-viz { border-left: 0; border-top: 1px solid var(--line); }
    .paths { grid-template-columns: 1fr; grid-auto-rows: auto; }
    .path-use { grid-row: auto; min-height: 340px; }
}
@media (max-width: 640px) {
    body { padding-bottom: 84px; }
    .container { width: min(1200px, 100% - 32px); }
    .hero h1 { font-size: clamp(38px, 11vw, 50px); }
    .hero-actions .btn { width: 100%; }
    .stage-ui { left: 12px; right: 12px; bottom: 16px; }
    .stage-caption { font-size: 14px; }
    .use-grid { grid-template-columns: 1fr; }
    .use-card { min-height: 220px; }
    .exp-run { grid-template-columns: 1fr; justify-items: center; text-align: center; }
    .exp-run p { margin-inline: auto; }
    .exp-run-actions { justify-content: center; }
    .ring { width: 150px; height: 150px; }
    .row2 { grid-template-columns: 1fr; }
    .framework { grid-template-columns: 1fr; }
    .wordmark small { display: none; }
    .btn-nav { padding: 10px 14px; font-size: 13px; }
    .mobile-bar { display: flex; }
    .now-playing { right: 12px; bottom: 84px; }
    .final-actions .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .hero [data-in], [data-reveal] { opacity: 1; transform: none; animation: none; transition: none; }
    .final video { display: none; }
    .stage-poster, .stage-canvas, .stage-labels .lbl { transition: none; }
    .now-playing .bars i { animation: none; height: 70%; }
    .ring .prog { transition: none; }
}

/* ── Late additions ──────────────────────────────────────────── */
.use-pick .t-on { display: none; }
.use-card[aria-pressed="true"] .use-pick .t-off { display: none; }
.use-card[aria-pressed="true"] .use-pick .t-on { display: inline; }
.plabel { font: 500 12px 'DM Mono', ui-monospace, monospace; fill: var(--muted); letter-spacing: 0.06em; }
@media (max-width: 640px) {
    .mask-stage .plabel { font-size: 16px; }
    .mask-stage .dimlbl { font-size: 18px; }
    .mask-stage .axis-label { font-size: 16px; }
    #maskReadout { display: none; }
    .mask-demo { padding: 14px; }
    .mask-metric { grid-template-columns: 1fr; }
    .mm-tiles { grid-template-columns: 1fr 1fr; }
    .mm-tiles .mm-tile:last-child { grid-column: 1 / -1; }
}

/* Poster rendering (?poster=1): only the stage is visible */
body.poster-mode header.nav, body.poster-mode .hero-grid, body.poster-mode .stage-ui, body.poster-mode .stage-labels, body.poster-mode .stage-scrim, body.poster-mode .mobile-bar { display: none !important; }
body.poster-mode .hero { padding: 0; }

/* ── Hero play buttons, proof, FAQ, guides (13 Oct) ─────────────── */
.btn[data-play-env] .ic-stop { display: none; }
.btn[data-play-env][aria-pressed="true"] .ic-play { display: none; }
.btn[data-play-env][aria-pressed="true"] .ic-stop { display: block; }
.btn[data-play-env].is-loading { opacity: 0.75; }
.hero-more { margin-top: 18px; }
.mask-hear { margin-top: 16px; display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 14px; color: var(--text-2); }
.proof-block { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.proof-grid { margin-top: 40px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.proof-tile { border: 1px solid var(--line); border-radius: var(--r-card); background: var(--surface); padding: 22px 22px 18px; display: grid; gap: 8px; align-content: start; }
.proof-tile .pv { font-size: clamp(34px, 3.4vw, 46px); line-height: 1; color: var(--accent); font-weight: 500; }
.proof-tile .pk { font-size: 16px; color: var(--text); line-height: 1.45; }
.proof-tile .ps { font-size: 12px; color: var(--muted); text-decoration: none; border-bottom: 1px solid var(--line); align-self: end; width: fit-content; }
.proof-tile .ps:hover { color: var(--text-2); }
.proof-note { margin-top: 24px; font-size: 15px; color: var(--text-2); max-width: 70ch; }
.proof-note a { color: var(--accent); }
.faq-wrap { max-width: 820px; }
.faq-list { margin-top: 28px; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq-item summary { cursor: pointer; padding: 16px 0; font-size: 18px; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; color: var(--accent); font-weight: 500; }
.faq-item[open] summary::after { content: '\2212'; }
.faq-item p { padding: 0 0 18px; color: var(--text-2); font-size: 16px; line-height: 1.55; max-width: 64ch; }
.guide { padding: calc(var(--nav-h) + 44px) 0 90px; }
.guide-wrap { max-width: 780px; }
.crumbs { font-size: 13px; color: var(--muted); display: flex; gap: 8px; flex-wrap: wrap; }
.crumbs a { color: var(--muted); text-decoration: none; } .crumbs a:hover { color: var(--text); }
.guide-h1 { margin-top: 18px; }
.playrow { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 10px; }
.guide-sec { margin-top: 46px; }
.guide-sec p, .guide-sec li { color: var(--text-2); font-size: 17px; line-height: 1.6; }
.guide-sec p + p { margin-top: 12px; }
.guide-sec h2 { margin-bottom: 10px; }
.guide-sec ul, .guide-sec ol { margin: 12px 0 0 22px; display: grid; gap: 8px; }
.guide-sec strong { color: var(--text); font-weight: 600; }
.guide-sec.evidence { border: 1px solid var(--line); border-radius: var(--r-card); background: var(--surface); padding: clamp(18px, 3vw, 28px); }
.guide-sec.evidence ul { margin-left: 18px; }
.guide-sec.evidence a { color: var(--accent); }
.guide-table { width: 100%; border-collapse: collapse; margin-top: 14px; font-size: 15px; }
.guide-table th, .guide-table td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--line); vertical-align: top; color: var(--text-2); }
.guide-table th { color: var(--text); font-weight: 600; }
.guide-cta { margin-top: 44px; display: flex; flex-wrap: wrap; gap: 12px; }
.related { margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--line); }
.related ul { margin-top: 12px; list-style: none; display: grid; gap: 8px; }
.related a { color: var(--accent); text-decoration: none; font-weight: 600; }
@media (max-width: 900px) { .proof-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .proof-grid { grid-template-columns: 1fr; } .hero-actions .btn { width: 100%; } }

/* ── Hero with real app screens; the app section (14 Oct) ─────────── */
.hero-app { padding: calc(var(--nav-h) + 24px) 0 64px; min-height: 0; }
.hero-app::before { content: ''; position: absolute; inset: 0; z-index: -1; pointer-events: none; background: radial-gradient(50% 60% at 78% 55%, rgba(224, 177, 0, 0.09) 0%, rgba(224, 177, 0, 0) 70%); }
.hero-app .hero-grid { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.hero-note { margin-top: 18px; font-size: 14px; color: var(--muted); }
.hero-note a { color: var(--text-2); }
.hero-note a:hover { color: var(--text); }
.hero-phones { position: relative; display: flex; justify-content: flex-end; align-items: flex-end; min-height: 560px; padding-bottom: 34px; }
.phone { margin: 0; width: 272px; aspect-ratio: 430 / 880; border-radius: 40px; background: #0d0d10; border: 1px solid rgba(255, 255, 255, 0.14); box-shadow: 0 50px 90px -36px rgba(0, 0, 0, 0.95), inset 0 0 0 1px rgba(255, 255, 255, 0.04); overflow: hidden; position: relative; isolation: isolate; }
.phone img { width: 100%; height: 100%; object-fit: cover; object-position: top; display: block; }
.phone-front { z-index: 2; }
.phone-back { position: absolute; right: 236px; bottom: 76px; width: 244px; transform: rotate(-5deg); opacity: 0.92; z-index: 1; }
.hero-caption { position: absolute; right: 0; bottom: 0; font-size: 13px; color: var(--muted); }
.app-block { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.app-grid { margin-top: 44px; display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); grid-auto-rows: auto; gap: 14px; }
.app-feature { border: 1px solid var(--line); border-radius: var(--r-card); background: var(--surface); padding: clamp(18px, 2.6vw, 28px); display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 20px; align-items: center; }
.app-feature .phone { width: 150px; border-radius: 24px; }
.app-feature-lg { grid-row: 1 / 3; grid-template-columns: 240px minmax(0, 1fr); gap: 28px; }
.app-feature-lg .phone { width: 240px; border-radius: 34px; }
.app-copy h3 { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; }
.app-copy p { margin-top: 10px; color: var(--text-2); font-size: 16px; line-height: 1.5; }
.app-copy .app-sub { font-size: 13px; color: var(--muted); }
.app-more { margin-top: 14px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.app-more-item { border: 1px solid var(--line); border-radius: var(--r-card); background: var(--surface); padding: 20px; display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 16px; align-items: center; }
.app-more-item .phone { width: 96px; border-radius: 16px; border-width: 1px; }
.app-more-item h3 { font-size: 17px; font-weight: 700; letter-spacing: -0.01em; }
.app-more-item p { margin-top: 6px; color: var(--text-2); font-size: 14px; line-height: 1.45; }
@media (max-width: 1100px) {
    .app-grid { grid-template-columns: 1fr; }
    .app-feature-lg { grid-row: auto; }
    .app-more { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
    .hero-app { align-items: flex-start; padding-bottom: 48px; }
    .hero-app .hero-grid { grid-template-columns: 1fr; gap: 28px; }
    .hero-phones { justify-content: center; min-height: 0; padding-bottom: 30px; }
    .phone-back { display: none; }
    .hero-caption { right: auto; left: 50%; transform: translateX(-50%); white-space: nowrap; }
}
@media (max-width: 640px) {
    .phone { width: 240px; }
    .app-feature, .app-feature-lg { grid-template-columns: 1fr; justify-items: start; }
    .app-feature .phone, .app-feature-lg .phone { width: 200px; border-radius: 28px; }
}

/* ── Who this is for: badged ICP cards (14 Oct) ────────────────── */
.icp-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.use-card.icp { min-height: 0; display: grid; gap: 10px; align-content: start; padding: 22px 22px 20px; text-align: left; background: var(--surface); }
.use-card.icp::after { display: none; }
.use-card.icp h3 { font-size: 21px; line-height: 1.15; }
.use-card.icp p { margin-top: 0; color: var(--text-2); font-size: 15px; line-height: 1.45; max-width: 36ch; }
.use-card.icp .use-pick { margin-top: 6px; }
.use-card.icp .badge { justify-self: start; display: inline-flex; align-items: center; padding: 5px 10px; border-radius: 999px; border: 1px solid rgba(224, 177, 0, 0.5); color: var(--accent); font: 500 11px/1 'DM Mono', ui-monospace, monospace; letter-spacing: 0.12em; text-transform: uppercase; }
.use-card.icp[aria-pressed="true"] .badge { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
@media (max-width: 1100px) { .icp-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .icp-grid { grid-template-columns: 1fr; } }

/* ── Proof v2: six exhibits (13 Oct) ─────────────────────────────── */
.ex-grid { margin-top: 44px; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 14px; }
.ex { position: relative; border: 1px solid var(--line); border-radius: var(--r-card); background: var(--surface); overflow: hidden; isolation: isolate; display: flex; flex-direction: column; }
.ex-body { padding: clamp(20px, 2.4vw, 28px); display: grid; gap: 10px; align-content: start; }
.ex-n { font-size: clamp(40px, 4vw, 56px); line-height: 0.95; color: var(--accent); font-weight: 500; letter-spacing: -0.02em; }
.ex h3 { font-size: clamp(18px, 1.6vw, 21px); font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; text-wrap: pretty; }
.ex p { color: var(--text-2); font-size: 15px; line-height: 1.5; }
.ex-src { font-size: 12px; color: var(--muted); margin-top: auto; padding-top: 6px; }
.ex-src a { color: var(--muted); text-decoration: none; border-bottom: 1px solid var(--line); }
.ex-src a:hover { color: var(--text-2); }
.ex-video { grid-column: 1 / 8; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.ex-media { position: relative; display: block; min-height: 220px; background: #000; border-right: 1px solid var(--line); }
@media (max-width: 720px) { .ex-media { border-right: 0; border-bottom: 1px solid var(--line); aspect-ratio: 16 / 9; min-height: 0; } }
.ex-media img { width: 100%; height: 100%; object-fit: contain; display: block; background: #000; }
.ex-play { position: absolute; left: 50%; top: 50%; width: 64px; height: 64px; margin: -32px 0 0 -32px; border-radius: 50%; background: rgba(224, 177, 0, 0.95); color: var(--accent-ink); display: grid; place-items: center; box-shadow: 0 20px 40px -16px rgba(0, 0, 0, 0.8); transition: transform .25s var(--ease); }
.ex-play svg { width: 26px; height: 26px; margin-left: 3px; }
.ex-media:hover .ex-play { transform: scale(1.06); }
.ex-meta { display: grid; gap: 6px; margin-top: 4px; border-top: 1px solid var(--line); padding-top: 12px; }
.ex-meta div { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 10px; font-size: 13px; }
.ex-meta dt { color: var(--muted); } .ex-meta dd { color: var(--text-2); margin: 0; }
.ex-photo { grid-column: 8 / 13; min-height: 320px; justify-content: flex-end; }
.ex-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.ex-photo::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(21, 21, 27, 0.15) 0%, rgba(21, 21, 27, 0.82) 55%, rgba(21, 21, 27, 0.97) 100%); }
.ex-photo .ex-body { margin-top: auto; }
.ex-press { grid-column: 1 / 5; }
.ex-quote { margin: 4px 0 0; padding: 14px 16px; border-left: 2px solid var(--accent); background: rgba(255, 255, 255, 0.03); border-radius: 0 10px 10px 0; }
.ex-quote p { color: var(--text); font-size: 15px; font-weight: 500; line-height: 1.45; }
.ex-quote cite { display: block; margin-top: 8px; font-style: normal; font-size: 12px; color: var(--muted); }
.ex-ledger { grid-column: 5 / 9; }
.ledger { list-style: none; display: grid; gap: 0; border-top: 1px solid var(--line); }
.ledger li { display: grid; gap: 3px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 13px; color: var(--text-2); line-height: 1.4; }
.ledger li .mono { font-size: 11px; color: var(--accent); letter-spacing: 0.04em; }
.ex-paper { grid-column: 9 / 13; }
.cite { display: grid; gap: 6px; padding: 14px 16px; border-radius: 12px; background: var(--bg-2); border: 1px solid var(--line); }
.cite-j { font-size: 12px; color: var(--accent); font-weight: 600; letter-spacing: 0.02em; }
.cite-t { font-size: 15px; color: var(--text); font-weight: 600; line-height: 1.35; }
.cite-a { font-size: 12.5px; color: var(--text-2); line-height: 1.45; }
.cite-doi { font-size: 12px; color: var(--muted); text-decoration: none; border-bottom: 1px solid var(--line); width: fit-content; }
.cite-doi:hover { color: var(--text-2); }
.ex-timeline { grid-column: 1 / 13; }
.ex-timeline .ex-body { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 10px 32px; align-items: start; }
.ex-timeline .ex-n { grid-column: 1; } .ex-timeline h3 { grid-column: 1; }
.tl { grid-column: 2; grid-row: 1 / 3; list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; position: relative; padding-top: 18px; }
.tl::before { content: ''; position: absolute; left: 0; right: 0; top: 6px; height: 1px; background: var(--line-strong); }
.tl li { display: grid; gap: 6px; font-size: 14px; color: var(--text-2); line-height: 1.45; position: relative; }
.tl li::before { content: ''; position: absolute; left: 0; top: -16px; width: 9px; height: 9px; border-radius: 50%; background: var(--accent); }
.tl-d { font-size: 12px; color: var(--text); letter-spacing: 0.04em; }
.tl a { color: var(--muted); text-decoration: none; border-bottom: 1px solid var(--line); }
.tl a:hover { color: var(--text-2); }
.proof-note a { color: var(--accent); }
@media (max-width: 1100px) {
    .ex-video { grid-column: 1 / 13; }
    .ex-photo { grid-column: 1 / 13; min-height: 280px; }
    .ex-press { grid-column: 1 / 7; } .ex-ledger { grid-column: 7 / 13; } .ex-paper { grid-column: 1 / 13; }
}
@media (max-width: 720px) {
    .ex-video { grid-template-columns: 1fr; }
    .ex-press, .ex-ledger, .ex-paper { grid-column: 1 / 13; }
    .ex-timeline .ex-body { grid-template-columns: 1fr; }
    .tl { grid-column: 1; grid-row: auto; grid-template-columns: 1fr; gap: 14px; padding-top: 0; padding-left: 18px; }
    .tl::before { left: 3px; right: auto; top: 4px; bottom: 4px; width: 1px; height: auto; }
    .tl li::before { left: -19px; top: 5px; }
}

/* ── Home v5 (14 Oct): ICP icons + moving gradient, stars, metric grid, experiment photo, research block ── */
.icp-block { position: relative; isolation: isolate; overflow: hidden; }
.icp-block::before { content: ''; position: absolute; inset: -20%; z-index: -1; pointer-events: none;
    background: radial-gradient(38% 42% at var(--gx1, 20%) var(--gy1, 30%), rgba(224, 177, 0, 0.16) 0%, rgba(224, 177, 0, 0) 70%),
                radial-gradient(34% 40% at var(--gx2, 80%) var(--gy2, 70%), rgba(120, 140, 200, 0.14) 0%, rgba(120, 140, 200, 0) 70%);
    animation: icpDrift 22s ease-in-out infinite alternate; }
@keyframes icpDrift { 0% { --gx1: 18%; --gy1: 28%; --gx2: 82%; --gy2: 72%; transform: translate3d(0, 0, 0); } 50% { transform: translate3d(2%, -3%, 0) scale(1.04); } 100% { --gx1: 30%; --gy1: 60%; --gx2: 66%; --gy2: 30%; transform: translate3d(-2%, 2%, 0); } }
.icp-ic { width: 34px; height: 34px; color: var(--accent); margin-bottom: 2px; }
.use-card.icp { background: rgba(21, 21, 27, 0.72); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.proof-block { position: relative; isolation: isolate; overflow: hidden; }
.proof-block::before { content: ''; position: absolute; inset: 0; z-index: -1; pointer-events: none; background: url('/assets/bg/stars.svg') center / 1600px 900px repeat; opacity: 0.9; mask-image: linear-gradient(180deg, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0.55) 60%, rgba(0, 0, 0, 0.2) 100%); -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0.55) 60%, rgba(0, 0, 0, 0.2) 100%); }
.proof-block::after { content: ''; position: absolute; inset: 0; z-index: -1; pointer-events: none; background: url('/assets/bg/stars-2.svg') center / 1600px 900px repeat; animation: twinkle 9s ease-in-out infinite alternate; }
@keyframes twinkle { from { opacity: 0.25; } to { opacity: 0.9; } }
.app-block { position: relative; isolation: isolate; overflow: hidden; }
.app-block::before { content: ''; position: absolute; inset: 0; z-index: -1; pointer-events: none;
    background-image: linear-gradient(rgba(242, 241, 236, 0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(242, 241, 236, 0.06) 1px, transparent 1px), linear-gradient(rgba(224, 177, 0, 0.10) 1px, transparent 1px), linear-gradient(90deg, rgba(224, 177, 0, 0.10) 1px, transparent 1px);
    background-size: 48px 48px, 48px 48px, 240px 240px, 240px 240px;
    mask-image: radial-gradient(70% 60% at 50% 40%, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0) 100%); -webkit-mask-image: radial-gradient(70% 60% at 50% 40%, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0) 100%); }
.exp-photo { position: relative; isolation: isolate; overflow: hidden; }
.exp-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; z-index: -2; filter: saturate(0.85) brightness(0.55); }
.exp-photo::before { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(11, 11, 14, 0.9) 0%, rgba(11, 11, 14, 0.7) 45%, rgba(11, 11, 14, 0.55) 100%), linear-gradient(180deg, rgba(11, 11, 14, 0.6) 0%, rgba(11, 11, 14, 0.2) 50%, rgba(11, 11, 14, 0.75) 100%); }
.exp-photo .exp-panel { background: rgba(21, 21, 27, 0.86); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.exp-photo .lede { color: var(--text); opacity: 0.92; }
.rl-grid { margin-top: 40px; display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 14px; }
.wp-card { border: 1px solid var(--line-strong); border-radius: var(--r-card); background: var(--surface); overflow: hidden; display: grid; grid-template-columns: 220px minmax(0, 1fr); }
.wp-cover { position: relative; background: linear-gradient(160deg, #1a1a21 0%, #0f0f13 100%); border-right: 1px solid var(--line); padding: 22px 18px; display: grid; align-content: space-between; gap: 18px; min-height: 320px; }
.wp-cover::before { content: ''; position: absolute; inset: 0; background: radial-gradient(60% 40% at 30% 20%, rgba(224, 177, 0, 0.16), rgba(224, 177, 0, 0) 70%); }
.wp-cover-k { font: 500 10px/1.3 'DM Mono', monospace; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); position: relative; }
.wp-cover-t { font-size: 24px; font-weight: 800; letter-spacing: -0.03em; line-height: 1.05; color: var(--text); position: relative; }
.wp-cover-s { font-size: 12px; color: var(--text-2); line-height: 1.4; position: relative; }
.wp-cover-m { font: 500 10px/1.4 'DM Mono', monospace; color: var(--muted); letter-spacing: 0.04em; position: relative; }
.wp-body { padding: clamp(20px, 2.6vw, 28px); display: grid; gap: 12px; align-content: start; }
.wp-body h3 { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; }
.wp-body p { color: var(--text-2); font-size: 15px; line-height: 1.5; }
.wp-points { list-style: none; display: grid; gap: 6px; }
.wp-points li { position: relative; padding-left: 18px; font-size: 14px; color: var(--text-2); }
.wp-points li::before { content: ''; position: absolute; left: 0; top: 9px; width: 8px; height: 2px; background: var(--accent); }
.wp-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.rl-col { border: 1px solid var(--line); border-radius: var(--r-card); background: var(--surface); padding: clamp(20px, 2.6vw, 26px); display: grid; gap: 14px; align-content: start; }
.rl-col h3 { font-size: 18px; font-weight: 700; letter-spacing: -0.015em; }
.rl-list { list-style: none; display: grid; }
.rl-list li { border-top: 1px solid var(--line); }
.rl-list a, .learn-item { display: grid; gap: 4px; padding: 12px 0; text-decoration: none; color: var(--text); }
.rl-t { font-size: 15px; font-weight: 600; }
.rl-s { font-size: 13px; color: var(--muted); line-height: 1.45; }
.rl-list a:hover .rl-t, .learn-item:hover .rl-t { color: var(--accent); }
.learn-strip { margin-top: 14px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.learn-item { border: 1px solid var(--line); border-radius: 14px; background: var(--surface); padding: 16px 18px; transition: border-color .2s, transform .3s var(--ease); }
.learn-item:hover { border-color: rgba(224, 177, 0, 0.5); transform: translateY(-2px); }
.faq-wrap { max-width: 860px; }
.faq-wrap .lede a { color: var(--accent); }
@media (max-width: 1100px) { .learn-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 900px) { .rl-grid { grid-template-columns: 1fr; } .wp-card { grid-template-columns: 1fr; } .wp-cover { min-height: 0; border-right: 0; border-bottom: 1px solid var(--line); } }
@media (max-width: 640px) { .learn-strip { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { .icp-block::before, .proof-block::after { animation: none; } }

/* ── Inside a soundscape: four layers that mix themselves (15 Oct 2026) ── */
.layers-grid { margin-top: 44px; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
.layer-list { display: grid; gap: 12px; }
.layer-item {
    position: relative; display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 18px; align-items: center; text-align: left;
    width: 100%; padding: 16px 18px 16px 16px; border: 1px solid rgba(255, 255, 255, 0.08); background: rgba(255, 255, 255, 0.025);
    border-radius: 18px; cursor: pointer; overflow: hidden;
    transition: background .4s, border-color .4s, box-shadow .6s var(--ease);
}
.layer-item::before { content: ''; position: absolute; left: 0; top: 14px; bottom: 14px; width: 3px; border-radius: 0 3px 3px 0; background: var(--accent); opacity: 0; transform: scaleY(.4); transition: opacity .35s, transform .5s var(--ease); }
.layer-item:hover { background: rgba(255, 255, 255, 0.045); border-color: rgba(255, 255, 255, 0.14); }
.layer-item.is-on { background: linear-gradient(90deg, rgba(224, 177, 0, 0.10), rgba(224, 177, 0, 0.03)); border-color: rgba(224, 177, 0, 0.45); box-shadow: 0 0 0 1px rgba(224, 177, 0, 0.06), 0 20px 50px -30px rgba(224, 177, 0, 0.5); }
.layer-item.is-on::before { opacity: 1; transform: none; }
.l-ic { width: 64px; height: 64px; border-radius: 14px; border: 1px solid rgba(224, 177, 0, 0.35); background: rgba(224, 177, 0, 0.06); display: grid; place-items: center; color: var(--accent); transition: border-color .4s, background .4s; }
.l-ic svg { width: 30px; height: 30px; }
.layer-item.is-on .l-ic { border-color: rgba(224, 177, 0, 0.7); background: rgba(224, 177, 0, 0.12); }
.l-body { display: grid; gap: 5px; min-width: 0; }
.l-title { font-size: 20px; font-weight: 700; letter-spacing: -0.02em; color: var(--text); display: flex; align-items: center; gap: 10px; }
.l-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); opacity: 0; transform: scale(.4); transition: opacity .3s, transform .45s var(--ease); }
.layer-item.is-on .l-dot { opacity: 1; transform: none; }
.l-copy { color: var(--text-2); font-size: 15px; line-height: 1.45; }
.plates { position: relative; display: grid; gap: 10px; height: auto; perspective: none; }
.plate { position: relative; height: 112px; margin: 0; top: auto; border: 1px solid rgba(255, 255, 255, 0.09); border-radius: 16px; background: #101014; overflow: hidden; transform: none; backdrop-filter: none; transition: border-color .5s, box-shadow .7s var(--ease), background .5s, opacity .7s var(--ease), transform .8s var(--ease); }
.plate svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.plate .ptitle { position: absolute; left: 16px; top: 12px; z-index: 1; font: 500 11px/1 'DM Mono', ui-monospace, monospace; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); transition: color .4s; }
.plate.is-on { border-color: rgba(224, 177, 0, 0.6); background: #12110a; box-shadow: 0 0 0 1px rgba(224, 177, 0, 0.08), 0 24px 60px -30px rgba(224, 177, 0, 0.55); }
.plate.is-on .ptitle { color: var(--accent); }
.plate.is-on .trace { filter: drop-shadow(0 0 5px rgba(224, 177, 0, 0.5)); }
.plate-mix { position: absolute; inset: 0; height: auto; opacity: 0; pointer-events: none; transform: scale(.985); border-color: rgba(224, 177, 0, 0.55); background: radial-gradient(120% 80% at 50% 100%, rgba(224, 177, 0, 0.16), #0f0e09 62%); }
.plate-mix .ptitle { color: var(--accent); }
.plate-mix .pcap { position: absolute; left: 16px; right: 16px; bottom: 14px; z-index: 1; font-size: 14px; color: var(--text-2); opacity: 0; transform: translateY(6px); transition: opacity .6s .5s, transform .7s .5s var(--ease); }
.plates.mixing .plate:not(.plate-mix) { opacity: .1; transform: scale(.985); }
.plates.mixing .plate-mix { opacity: 1; transform: none; box-shadow: 0 30px 80px -30px rgba(224, 177, 0, 0.5); }
.plates.mixing .plate-mix .pcap { opacity: 1; transform: none; }
.plate-mix .trace { filter: drop-shadow(0 0 8px rgba(224, 177, 0, 0.55)); }
.framework { margin-top: 44px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line); }
.framework div { padding: 22px 18px 0 0; font-size: clamp(18px, 1.8vw, 22px); font-weight: 600; letter-spacing: -0.02em; }
.framework div span { display: block; color: var(--muted); font-size: 13px; font-weight: 500; margin-top: 6px; letter-spacing: 0; }
@media (max-width: 900px) {
    .layers-grid { grid-template-columns: 1fr; gap: 24px; }
    .layer-item { grid-template-columns: 52px minmax(0, 1fr); gap: 14px; padding: 14px; }
    .l-ic { width: 52px; height: 52px; border-radius: 12px; } .l-ic svg { width: 24px; height: 24px; }
    .l-title { font-size: 18px; }
    .plate { height: 92px; }
    .framework { grid-template-columns: 1fr 1fr; }
}

/* ── Science: four evidence tiers, editorial (15 Oct 2026) ── */
.evidence { margin-top: 44px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; border-top: 0; }
.tier { padding: 22px 20px 8px; border: 1px solid rgba(255, 255, 255, 0.08); border-left: 1px solid rgba(255, 255, 255, 0.08); border-radius: 18px; background: rgba(255, 255, 255, 0.02); display: flex; flex-direction: column; }
.tier + .tier { padding-left: 20px; border-left: 1px solid rgba(255, 255, 255, 0.08); }
.tier::before { display: none; }
.tier-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.tier-ic { width: 44px; height: 44px; border-radius: 12px; border: 1px solid rgba(224, 177, 0, 0.4); display: grid; place-items: center; color: var(--accent); background: rgba(224, 177, 0, 0.05); }
.tier-level { font: 500 11px/1 'DM Mono', ui-monospace, monospace; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.tier h3 { margin-top: 18px; font-size: 22px; font-weight: 700; letter-spacing: -0.02em; }
.tier .def { margin-top: 6px; color: var(--text-2); font-size: 15px; line-height: 1.45; min-height: 0; }
.ev-list { margin: 18px 0 0; list-style: none; display: block; border-top: 1px solid var(--line); }
.ev-item { border-bottom: 1px solid var(--line); }
.ev-q { width: 100%; display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; padding: 13px 0; background: none; border: 0; text-align: left; font-size: 15px; line-height: 1.4; color: var(--text); cursor: pointer; transition: color .2s; }
.ev-q:hover, .ev-item.is-open .ev-q { color: var(--accent); }
.tier-4 .ev-q { color: var(--text-2); }
.tier-4 .ev-q:hover, .tier-4 .ev-item.is-open .ev-q { color: var(--accent); }
.ev-q { align-items: center; }
.ev-plus { position: relative; flex: none; width: 30px; height: 30px; border-radius: 50%; border: 1px solid rgba(224, 177, 0, 0.55); background: rgba(224, 177, 0, 0.08); color: var(--accent); box-shadow: 0 0 0 0 rgba(224, 177, 0, 0), 0 0 14px -4px rgba(224, 177, 0, 0.6); transition: box-shadow .4s var(--ease), background .3s, border-color .3s, transform .4s var(--ease); }
.ev-plus::before, .ev-plus::after { content: ''; position: absolute; left: 50%; top: 50%; width: 12px; height: 1.6px; margin: -0.8px 0 0 -6px; border-radius: 1px; background: currentColor; transition: transform .35s var(--ease); }
.ev-plus::after { transform: rotate(90deg); }
.ev-plus:hover, .ev-item.is-open .ev-plus { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); box-shadow: 0 0 0 4px rgba(224, 177, 0, 0.16), 0 0 26px -2px rgba(224, 177, 0, 0.75); transform: scale(1.06); }
.ev-item.is-open .ev-plus::after { transform: rotate(90deg) scaleX(0); }
.ev-plus::before { animation: evGlow 2.8s ease-in-out infinite; animation-play-state: paused; }
@media (hover: hover) { .ev-q:hover .ev-plus:not(:hover) { box-shadow: 0 0 0 3px rgba(224, 177, 0, 0.1), 0 0 20px -3px rgba(224, 177, 0, 0.7); } }
.ev-panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .45s var(--ease); }
.ev-item.is-open .ev-panel { grid-template-rows: 1fr; }
.ev-inner { min-height: 0; overflow: hidden; visibility: hidden; transition: visibility 0s linear .45s; }
.ev-item.is-open .ev-inner { visibility: visible; transition-delay: 0s; }
.ev-text { font-size: 14px; line-height: 1.55; color: var(--text-2); padding-bottom: 10px; }
.ev-ref { font-size: 13px; line-height: 1.5; color: var(--muted); padding-bottom: 6px; }
.ev-ref span { display: block; font: 500 10px/1.6 'DM Mono', ui-monospace, monospace; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-2); }
.ev-link { display: inline-flex; align-items: center; gap: 8px; margin: 6px 0 16px; font-size: 14px; font-weight: 600; color: var(--accent); text-decoration: none; border-bottom: 1px solid rgba(224, 177, 0, 0.35); padding-bottom: 2px; transition: gap .25s var(--ease), border-color .2s; }
.ev-link:hover { gap: 12px; border-color: var(--accent); }
.btn-outline { background: transparent; border: 1px solid rgba(224, 177, 0, 0.6); color: var(--accent); box-shadow: none; }
.btn-outline:hover { border-color: var(--accent); background: rgba(224, 177, 0, 0.08); transform: translateY(-2px); }
.science-foot { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 20px 32px; align-items: center; }
.science-foot p { font-size: 14px; color: var(--muted); max-width: 60ch; }
@media (max-width: 1100px) { .evidence { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .evidence { grid-template-columns: 1fr; } .tier + .tier { padding-left: 20px; } }

/* ── Cursor glow: the page lights up where the pointer is (15 Oct 2026) ── */
body { isolation: isolate; }
.cursor-glow {
    position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0; transition: opacity 1.2s ease;
    background:
        radial-gradient(720px circle at var(--gx, 50%) var(--gy, 30%), rgba(224, 177, 0, 0.085), rgba(224, 177, 0, 0.03) 38%, transparent 68%),
        radial-gradient(1400px circle at var(--gx, 50%) var(--gy, 30%), rgba(255, 255, 255, 0.025), transparent 60%);
}
.cursor-glow.in { opacity: 1; }
@media (hover: none), (prefers-reduced-motion: reduce) { .cursor-glow { display: none; } }
@media (prefers-reduced-motion: reduce) { .use-card, .use-card img, .path, .path img, .btn, .link-arrow, .chip, .mobile-bar, .layer-item, .plate, .ev-panel { transition: none; } }

/* ── List: two threads (15 Oct 2026) ── */
.field.channels { border: 0; padding: 0; margin: 0; min-width: 0; }
.field.channels legend { font-size: 13px; font-weight: 600; letter-spacing: 0.02em; color: var(--text-2); padding: 0; margin-bottom: 8px; }
.check { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 12px; align-items: start; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--r-input); background: rgba(255, 255, 255, 0.03); cursor: pointer; transition: border-color .2s, background .2s; }
.check + .check { margin-top: 8px; }
.check:hover { border-color: var(--line-strong); }
.check input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.check .box { width: 22px; height: 22px; margin-top: 1px; border-radius: 6px; border: 1px solid var(--line-strong); background: rgba(255, 255, 255, 0.04); position: relative; transition: background .2s, border-color .2s; }
.check .box::after { content: ''; position: absolute; left: 7px; top: 3px; width: 6px; height: 11px; border: solid var(--accent-ink); border-width: 0 2px 2px 0; transform: rotate(45deg) scale(0); transition: transform .2s var(--ease); }
.check input:checked ~ .box { background: var(--accent); border-color: var(--accent); }
.check input:checked ~ .box::after { transform: rotate(45deg) scale(1); }
.check input:focus-visible ~ .box { box-shadow: 0 0 0 3px rgba(224, 177, 0, 0.25); }
.check input:checked ~ .txt b { color: var(--text); }
.check .txt { display: grid; gap: 3px; }
.check .txt b { font-size: 15px; font-weight: 600; color: var(--text-2); }
.check .txt small { font-size: 13px; color: var(--muted); line-height: 1.4; }
.field.channels.err .check { border-color: #ff8a7a; }

/* ── Photography: hero + use-case cards (15 Oct 2026) ── */
.use-card.icp { overflow: hidden; }
.use-card.icp .icp-photo { display: block; margin: -22px -22px 8px; aspect-ratio: 16 / 9; overflow: hidden; border-bottom: 1px solid rgba(255, 255, 255, 0.06); background: #111; }
.use-card.icp .icp-photo img { position: static; width: 100%; height: 100%; object-fit: cover; display: block; transform: none; filter: saturate(0.92) brightness(0.86); transition: transform .7s var(--ease), filter .4s; }
.use-card.icp:hover .icp-photo img, .use-card.icp[aria-pressed="true"] .icp-photo img { transform: scale(1.04); filter: none; }

/* ── Brief integration, 21 Oct 2026: eyebrow, mechanism, guided setup ── */
.eyebrow { font: 500 12px/1 'DM Mono', ui-monospace, monospace; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
.section-head .eyebrow { margin-bottom: 12px; }
.hero-copy .eyebrow { margin-bottom: 18px; }
.mech-grid { margin-top: 40px; display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: clamp(24px, 4vw, 56px); align-items: start; }
.mech-toggle { display: inline-flex; padding: 4px; border-radius: 999px; border: 1px solid var(--line-strong); background: rgba(255, 255, 255, 0.03); gap: 4px; }
.mech-opt { padding: 10px 16px; border-radius: 999px; border: 0; background: transparent; color: var(--text-2); font: 600 14px 'Outfit', sans-serif; cursor: pointer; transition: background .25s, color .25s; }
.mech-opt.is-on { background: var(--accent); color: var(--accent-ink); }
.mech-opt:not(.is-on):hover { color: var(--text); background: rgba(255, 255, 255, 0.06); }
.mech-stage { margin-top: 16px; border: 1px solid var(--line); border-radius: var(--r-card); background: #0e0e12; overflow: hidden; aspect-ratio: 640 / 260; }
.mech-stage svg { width: 100%; height: 100%; display: block; }
.mech-stage .ev { fill: #f2f1ec; opacity: 0.88; }
.mech-stage .ev-lbl, .mech-mini .ev-lbl { font: 500 11px 'DM Mono', monospace; fill: var(--muted); letter-spacing: 0.06em; }
.mech-stage .floor, .mech-mini .floor { fill: rgba(255, 255, 255, 0.08); }
.mech-stage .floor-line, .mech-mini .floor-line { stroke: rgba(255, 255, 255, 0.35); stroke-width: 1; fill: none; }
.mech-stage .mask, .mech-mini .mask { fill: rgba(224, 177, 0, 0.26); transform-box: fill-box; transform-origin: 50% 100%; transform: scaleY(0.02); transition: transform 1s var(--ease), opacity .6s; opacity: 0; }
.mech-stage .mask-line, .mech-mini .mask-line { stroke: var(--accent); stroke-width: 1.8; fill: none; opacity: 0; transition: opacity .6s .5s; }
.mech-stage .mask-lbl, .mech-mini .mask-lbl { font: 500 11px 'DM Mono', monospace; fill: var(--accent); letter-spacing: 0.08em; opacity: 0; transition: opacity .5s .7s; }
.mech-stage[data-state="b"] .mask, .mech-mini[data-mini="b"] .mask { transform: none; opacity: 1; }
.mech-stage[data-state="b"] .mask-line, .mech-mini[data-mini="b"] .mask-line, .mech-stage[data-state="b"] .mask-lbl, .mech-mini[data-mini="b"] .mask-lbl { opacity: 1; }
.mech-stage .peak { stroke: var(--accent); stroke-width: 2; stroke-linecap: round; fill: none; opacity: 0; transition: opacity .5s; }
.mech-stage.show-peaks .peak { opacity: 1; }
.mech-stage .grid line { stroke: rgba(255, 255, 255, 0.05); }
.mech-caption { margin-top: 14px; font-size: 18px; font-weight: 600; letter-spacing: -0.01em; min-height: 26px; }
.mech-compare { margin-top: 14px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.mech-compare figure { margin: 0; }
.mech-compare figcaption { margin-top: 6px; font: 500 11px 'DM Mono', monospace; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.mech-mini { border: 1px solid var(--line); border-radius: 12px; background: #0e0e12; overflow: hidden; aspect-ratio: 640 / 260; }
.mech-mini svg { width: 100%; height: 100%; display: block; }
.mech-mini .ev { fill: #f2f1ec; opacity: 0.88; }
.mech-mini .mask { transition: none; }
.mech-controls { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; }
.mech-btn { padding: 9px 14px; border-radius: 999px; border: 1px solid var(--line-strong); background: transparent; color: var(--text); font: 600 13px 'Outfit', sans-serif; cursor: pointer; transition: border-color .2s, background .2s; }
.mech-btn:hover { border-color: var(--accent); }
.mech-btn[aria-pressed="true"] { background: rgba(255, 255, 255, 0.08); }
.mech-note { font-size: 13px; color: var(--muted); }
.mech-steps { margin: 18px 0 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.mech-steps li { font-size: 14px; line-height: 1.45; color: var(--text-2); padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; background: rgba(255, 255, 255, 0.025); }
.mech-steps li b { display: block; color: var(--text); font-weight: 600; margin-bottom: 4px; }
.mech-bridge { position: sticky; top: calc(var(--nav-h) + 16px); display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 18px; align-items: center; padding: 20px; border: 1px solid var(--line); border-radius: var(--r-card); background: var(--surface); transition: border-color .5s, box-shadow .6s; }
.mech-bridge.is-lit { border-color: rgba(224, 177, 0, 0.55); box-shadow: 0 24px 60px -36px rgba(224, 177, 0, 0.55); }
.mech-bridge .phone-sm { width: 110px; border-radius: 18px; margin: 0; }
.mech-bridge-k { font: 500 11px 'DM Mono', monospace; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }
.mech-bridge h3 { margin-top: 8px; font-size: 20px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; }
.mech-bridge p { margin-top: 8px; font-size: 14px; color: var(--text-2); line-height: 1.45; }
.mech-bridge .btn { margin-top: 14px; }
@media (max-width: 900px) {
    .mech-grid { grid-template-columns: 1fr; }
    .mech-bridge { position: static; grid-template-columns: 90px minmax(0, 1fr); }
    .mech-bridge .phone-sm { width: 90px; border-radius: 14px; }
    .mech-steps { grid-template-columns: 1fr; }
    .mech-opt { padding: 9px 12px; font-size: 13px; }
}
.setup-block { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.setup-card { margin-top: 36px; border: 1px solid var(--line-strong); border-radius: var(--r-card); background: var(--surface); padding: clamp(20px, 3vw, 32px); display: grid; gap: 26px; }
.setup-q { font-size: 17px; font-weight: 600; display: flex; align-items: center; gap: 12px; }
.setup-n { width: 28px; height: 28px; border-radius: 50%; display: inline-grid; place-items: center; border: 1px solid rgba(224, 177, 0, 0.6); color: var(--accent); font: 500 13px 'DM Mono', monospace; }
.setup-intents { margin-top: 14px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.setup-intent { text-align: left; padding: 18px 18px 16px; border-radius: 16px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.03); color: var(--text); cursor: pointer; display: grid; gap: 6px; transition: border-color .2s, background .2s, transform .3s var(--ease); }
.setup-intent b { font-size: 20px; font-weight: 700; letter-spacing: -0.02em; }
.setup-intent span { font-size: 14px; color: var(--text-2); line-height: 1.4; }
.setup-intent:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.setup-intent[aria-pressed="true"] { border-color: var(--accent); background: rgba(224, 177, 0, 0.08); box-shadow: 0 0 0 1px var(--accent); }
.setup-step[data-step="2"] .chips { margin-top: 14px; }
.setup-step.is-muted { opacity: 0.5; pointer-events: none; }
.setup-result { display: grid; gap: 16px; padding-top: 22px; border-top: 1px solid var(--line); }
.setup-k { font: 500 11px 'DM Mono', monospace; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }
.setup-primary { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 18px; align-items: center; }
.setup-primary img { width: 120px; height: 120px; border-radius: 16px; object-fit: cover; }
.setup-primary h3 { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; }
.setup-primary p { margin-top: 8px; font-size: 15px; color: var(--text-2); line-height: 1.5; max-width: 60ch; }
.setup-actions { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.setup-alts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.setup-alt { display: grid; grid-template-columns: 52px minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 10px 12px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255, 255, 255, 0.025); }
.setup-alt img { width: 52px; height: 52px; border-radius: 10px; object-fit: cover; }
.setup-alt b { font-size: 15px; font-weight: 600; display: block; }
.setup-alt small { font-size: 12px; color: var(--muted); }
.setup-alt .alt-actions { display: flex; gap: 6px; align-items: center; }
.setup-alt .btn { padding: 8px 12px; font-size: 13px; }
.setup-tip { font-size: 14px; color: var(--text-2); line-height: 1.5; padding: 12px 14px; border-radius: 12px; background: rgba(224, 177, 0, 0.06); border: 1px solid rgba(224, 177, 0, 0.25); }
.setup-foot { font-size: 13px; color: var(--muted); line-height: 1.5; }
.setup-foot a { color: var(--text-2); }
@media (max-width: 700px) {
    .setup-intents, .setup-alts { grid-template-columns: 1fr; }
    .setup-primary { grid-template-columns: 88px minmax(0, 1fr); }
    .setup-primary img { width: 88px; height: 88px; }
    .setup-primary h3 { font-size: 22px; }
    .setup-alt { grid-template-columns: 52px minmax(0, 1fr); }
    .setup-alt .alt-actions { grid-column: 1 / -1; justify-content: flex-end; }
}
@media (prefers-reduced-motion: reduce) {
    .mech-stage .mask, .mech-stage .mask-line, .mech-stage .mask-lbl, .mech-bridge { transition: none; }
}