:root {
  --bg: #0b0c0e; --bg2: #121418; --ink: #ece8df; --dim: #9a968d; --faint: #5d5a54; --line: #24272d;
  --accent: #e8b04a; --ctl: #e06a5a;
  --sans: "IBM Plex Sans", system-ui, sans-serif; --mono: "IBM Plex Mono", ui-monospace, monospace; --serif: "IBM Plex Serif", Georgia, serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.55 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }

/* Hero: the reel fills the screen; the copy sits low-left. */
.hero { position: relative; height: 100svh; min-height: 560px; overflow: hidden; }
.reel { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.veil { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(11,12,14,.78) 0%, rgba(11,12,14,.35) 45%, rgba(11,12,14,0) 70%), linear-gradient(180deg, rgba(11,12,14,.2) 0%, rgba(11,12,14,.3) 50%, rgba(11,12,14,.97) 100%); }
.hero-in { position: absolute; left: 0; right: 0; bottom: 0; padding: 0 clamp(16px, 5vw, 72px) clamp(28px, 7vh, 72px); max-width: 1100px; }
.kicker { font: 500 12px/1 var(--mono); letter-spacing: .14em; color: var(--accent); margin: 0 0 18px; }
h1 { font: 600 clamp(44px, 8vw, 104px)/.95 var(--sans); letter-spacing: -.03em; margin: 0; }
h1 em { font: italic 400 1em var(--serif); color: var(--accent); }
.sub { max-width: 560px; color: #d6d1c6; font-size: clamp(16px, 1.6vw, 19px); margin: 22px 0 26px; }
.stats { display: flex; gap: clamp(18px, 4vw, 44px); margin: 0 0 26px; }
.stats div { display: flex; flex-direction: column-reverse; }
.stats dt { font: 500 clamp(26px, 3vw, 36px)/1 var(--mono); }
.stats dd { margin: 0 0 6px; font: 12px/1 var(--mono); color: var(--dim); text-transform: uppercase; letter-spacing: .1em; }
.cue { display: inline-block; font: 500 14px/1 var(--mono); padding: 13px 18px; border: 1px solid rgba(236,232,223,.4); border-radius: 999px; text-decoration: none; transition: background .2s, color .2s; }
.cue:hover { background: var(--ink); color: var(--bg); }

/* Chapter strip */
.toc { position: sticky; top: 0; z-index: 5; display: flex; gap: 6px; overflow-x: auto; padding: 10px clamp(16px, 5vw, 72px); background: rgba(11,12,14,.86); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); scrollbar-width: none; }
.toc::-webkit-scrollbar { display: none; }
.toc a { flex: none; font: 13px/1 var(--sans); color: var(--dim); text-decoration: none; padding: 8px 12px; border-radius: 999px; transition: color .15s, background .15s; }
.toc a span { font-family: var(--mono); color: var(--faint); margin-right: 7px; }
.toc a:hover, .toc a.on { color: var(--ink); background: var(--bg2); }

main { padding: 0 clamp(16px, 5vw, 72px); max-width: 1500px; margin: 0 auto; }
.chapter { padding: clamp(56px, 10vh, 110px) 0 0; scroll-margin-top: 50px; }
.chapter > header { display: grid; grid-template-columns: auto 1fr auto; gap: 4px 22px; align-items: baseline; margin-bottom: 28px; }
.chapter .num { font: 500 13px/1 var(--mono); color: var(--accent); grid-row: span 2; padding-top: 10px; }
.chapter h2 { font: 600 clamp(28px, 4vw, 48px)/1.05 var(--sans); letter-spacing: -.02em; margin: 0; }
.chapter header p { grid-column: 2; color: var(--dim); max-width: 680px; margin: 10px 0 0; }
.chapter .count { grid-column: 3; grid-row: 1; font: 12px/1 var(--mono); color: var(--faint); white-space: nowrap; }
@media (max-width: 640px) { .chapter > header { grid-template-columns: 1fr; } .chapter .num, .chapter .count { grid-row: auto; grid-column: 1; padding: 0; } .chapter header p { grid-column: 1; } }

/* Tiles */
.tile { margin: 0; cursor: zoom-in; outline: none; }
.frame { position: relative; overflow: hidden; border-radius: 6px; background: var(--bg2); border: 1px solid var(--line); }
.frame img, .frame video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2,.7,.2,1), opacity .3s; }
.frame video { opacity: 0; }
.tile.playing video { opacity: 1; }
.tile:hover .frame img, .tile:hover .frame video, .tile:focus-visible .frame img { transform: scale(1.025); }
.tile:focus-visible .frame { outline: 2px solid var(--accent); outline-offset: 3px; }
.tags { position: absolute; left: 10px; top: 10px; display: flex; gap: 5px; }
.tag { font: 500 11px/1 var(--mono); padding: 5px 7px; border-radius: 4px; background: rgba(11,12,14,.72); color: var(--ink); backdrop-filter: blur(4px); }
.tag.ctl { background: rgba(224,106,90,.88); color: #160a08; }
.play { position: absolute; right: 12px; bottom: 12px; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; background: rgba(236,232,223,.92); color: var(--bg); opacity: 0; transform: translateY(6px); transition: .25s; }
.tile:hover .play { opacity: 1; transform: none; }
figcaption { display: flex; justify-content: space-between; gap: 12px; padding: 10px 2px 0; }
figcaption .t { font-size: 14.5px; line-height: 1.35; }
figcaption .d { font: 11px/1.6 var(--mono); color: var(--faint); white-space: nowrap; }

.feature { margin-bottom: 22px; }
.feature .frame { border-radius: 8px; max-height: 76vh; }
.feature figcaption .t { font-size: 18px; font-weight: 500; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 26px 20px; align-items: start; }

/* Sounds */
.tile.a { cursor: default; }
.sound { width: 100%; aspect-ratio: 16/6; border: 1px solid var(--line); border-radius: 6px; background: var(--bg2); color: var(--ink); cursor: pointer; display: grid; place-items: center; }
.sound:hover { border-color: var(--accent); }
.bars { display: flex; gap: 5px; align-items: end; height: 34px; }
.bars i { width: 5px; background: var(--accent); border-radius: 2px; height: 30%; }
.bars i:nth-child(2) { height: 70%; } .bars i:nth-child(3) { height: 100%; } .bars i:nth-child(4) { height: 55%; } .bars i:nth-child(5) { height: 35%; }
.sound.on .bars i { animation: eq .55s ease-in-out infinite alternate; }
.sound.on .bars i:nth-child(2n) { animation-delay: -.3s; }
@keyframes eq { to { height: 15%; } }

footer { margin: 120px auto 0; padding: 30px clamp(16px, 5vw, 72px) 60px; border-top: 1px solid var(--line); color: var(--dim); max-width: 1500px; font-size: 14px; }
footer .mono { font: 12px var(--mono); color: var(--faint); }

/* Lightbox */
.lb { position: fixed; inset: 0; z-index: 20; background: #060708; display: grid; grid-template-rows: 1fr auto; }
.lb[hidden] { display: none; }
.lb .stage { display: grid; place-items: center; padding: 56px clamp(12px, 6vw, 90px) 12px; min-height: 0; }
.lb .stage video, .lb .stage img { max-width: 100%; max-height: 100%; border-radius: 6px; }
.lb .stage audio { width: min(520px, 90vw); }
.lb .info { padding: 4px clamp(16px, 6vw, 90px) 26px; max-width: 980px; }
.lb h3 { margin: 0; font: 600 20px/1.3 var(--sans); }
.lb .when { margin: 4px 0 8px; font: 12px var(--mono); color: var(--faint); }
.lb .cap { margin: 0; color: var(--dim); font-size: 14.5px; max-height: 6.5em; overflow: auto; }
.lb button { position: absolute; background: none; border: 0; color: var(--ink); cursor: pointer; font: 300 38px/1 var(--sans); padding: 10px 16px; opacity: .7; }
.lb button:hover { opacity: 1; }
.lb .x { top: 6px; right: 8px; }
.lb .prev { left: 4px; top: 45%; } .lb .next { right: 4px; top: 45%; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reel { display: none; } .hero { background: var(--bg2) center/cover; } .frame img, .frame video, .play { transition: none; } }