/* Oscuro Viroid TI Rack. Near-black, one warm light, one accent. Restraint is the luxury. */
:root {
  color-scheme: dark;
  --bg: #060607;
  --bg2: #0c0c0e;
  --panel: #111114;
  --line: rgba(255, 255, 255, .09);
  --fg: #f4f2ee;
  --muted: #a3a19b;
  --faint: #6f6d68;
  --accent: #ff6a1f;
  --accent-ink: #160800;
  --gutter: clamp(20px, 5vw, 56px);
  --max: 1200px;
  --radius: 22px;
  --sans: "Inter Tight", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 400 clamp(17px, .35vw + 15.5px, 20px)/1.55 var(--sans);
  -webkit-font-smoothing: antialiased; overflow-x: hidden; overflow-wrap: break-word;
}
/* a trace of film grain keeps big flat blacks from looking like plastic */
body::before {
  content: ""; position: fixed; inset: 0; z-index: 60; pointer-events: none; opacity: .045; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--fg); color: var(--bg); padding: 8px 14px; border-radius: 8px; z-index: 70; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

/* top bar: glass, with the one call to action always in reach */
.bar { position: sticky; top: 0; z-index: 30; backdrop-filter: saturate(160%) blur(18px); -webkit-backdrop-filter: saturate(160%) blur(18px); background: rgba(6, 6, 7, .62); border-bottom: 1px solid var(--line); }
.bar .wrap { display: flex; align-items: center; gap: 28px; min-height: 60px; }
.brand { display: flex; align-items: baseline; gap: 12px; font-weight: 800; letter-spacing: .3em; font-size: 13px; text-decoration: none; text-transform: uppercase; }
.brand span { font-weight: 500; letter-spacing: .04em; text-transform: none; color: var(--muted); font-size: 13px; }
.bar nav.desk { display: flex; gap: 28px; margin-left: auto; font-size: 14px; }
.bar nav a { color: var(--muted); text-decoration: none; transition: color .2s; }
.bar nav a:hover, .bar nav a[aria-current] { color: var(--fg); }
.bar .install { padding: 8px 20px; font-size: 14px; }
.mob { display: none; position: relative; }
.mob summary { list-style: none; cursor: pointer; font: 600 12px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); padding: 8px 2px; }
.mob summary::-webkit-details-marker { display: none; }
.mob-list { position: absolute; right: 0; top: 44px; min-width: 200px; display: grid; padding: 8px; background: rgba(12, 12, 14, .96); border: 1px solid var(--line); border-radius: 16px; }
.mob-list a { padding: 12px 14px; text-decoration: none; border-radius: 10px; }
.mob-list a:hover { background: var(--panel); }
@media (max-width: 820px) { .bar nav.desk { display: none; } .bar .install { margin-left: auto; } .brand span { display: none; } .bar .wrap { gap: 14px; } .mob { display: block; } }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 24px; border-radius: 999px; font-weight: 600; text-decoration: none; border: 1px solid var(--line); transition: transform .25s var(--ease), box-shadow .25s, background .25s, border-color .25s; }
.btn.big { padding: 16px 32px; font-size: 1.05rem; }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); box-shadow: 0 0 0 0 rgba(255, 106, 31, .5); }
.btn.primary:hover { transform: translateY(-1px); box-shadow: 0 10px 40px -8px rgba(255, 106, 31, .7); }
.btn.ghost:hover { border-color: rgba(255, 255, 255, .3); background: rgba(255, 255, 255, .04); }
.btn.disabled { opacity: .45; box-shadow: none; transform: none; cursor: not-allowed; }
.kicker { font: 600 12px var(--mono); letter-spacing: .2em; text-transform: uppercase; color: var(--accent); }
.lead { color: var(--muted); font-size: clamp(1.1rem, 1vw + .8rem, 1.5rem); line-height: 1.45; max-width: 46ch; }
.note { color: var(--faint); font-size: .92rem; margin-top: 14px; }

/* hero */
.hero { position: relative; padding: clamp(56px, 11vw, 140px) 0 0; isolation: isolate; overflow-x: clip; text-align: center; }
.hero::before { content: ""; position: absolute; left: 50%; top: 18%; width: min(1100px, 130vw); height: 760px; transform: translateX(-50%); z-index: -1;
  background: radial-gradient(closest-side, rgba(255, 106, 31, .2), rgba(255, 106, 31, .05) 55%, transparent 75%); filter: blur(10px); }
.hero h1 { font-weight: 700; letter-spacing: -.03em; line-height: 1.02; font-size: clamp(2.6rem, 7.2vw, 6.6rem); margin: 22px auto 0; max-width: 16ch; text-wrap: balance;
  background: linear-gradient(180deg, #fff 30%, #9c9a94); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .sub { max-width: 54ch; margin: 28px auto 0; color: var(--muted); font-size: clamp(1.05rem, 1vw + .8rem, 1.4rem); line-height: 1.45; text-wrap: pretty; }
.cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 38px; }
.stage { perspective: 1800px; margin-top: clamp(40px, 7vw, 90px); padding: 0 var(--gutter); }
.stage-in { max-width: 1120px; margin: 0 auto; transform-origin: 50% 100%; transition: transform .5s var(--ease);
  filter: drop-shadow(0 60px 80px rgba(0, 0, 0, .8)) drop-shadow(0 0 120px rgba(255, 106, 31, .12)); }
.faceplate { width: 100%; height: auto; }
.fp-lcd, .lcd-layer, .fx-layer, .duo img { image-rendering: auto; }
.fp-knob.lit .fp-tick { stroke: var(--accent); }
.fp-knob .fp-tick { stroke: #ddd; }
.fp-knob.lit .fp-knob-glow { stroke: var(--accent); opacity: .55; }
.fp-knob:not(.lit) .fp-knob-glow { display: none; }
.fp-fader.lit { stroke: var(--accent); stroke-width: 2; }
@supports (animation-timeline: view()) {
  .stage-in { animation: rise linear both; animation-timeline: view(); animation-range: entry 0% cover 40%; }
  @keyframes rise { from { transform: rotateX(22deg) scale(.9); opacity: .3; } to { transform: none; opacity: 1; } }
}

/* sections */
section { position: relative; }
.sec-head { max-width: 760px; }
.sec-head h2, .closer h2, .next h2 { font-weight: 800; letter-spacing: -.035em; line-height: 1; font-size: clamp(2.2rem, 5.4vw, 4.4rem); margin-top: 16px; text-wrap: balance; }
.sec-head .lead { margin-top: 22px; }
.story, .rack, .play, .connect, .safe { padding: clamp(80px, 12vw, 180px) 0 0; }

/* the story: the display stays, the words move */
.story-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 96px); margin-top: clamp(20px, 4vw, 60px); }
.story-copy .step { min-height: 78vh; display: flex; flex-direction: column; justify-content: center; max-width: 30rem; opacity: .35; transition: opacity .5s; }
.story-copy .step.active { opacity: 1; }
.step h3 { font-weight: 800; letter-spacing: -.03em; line-height: 1.05; font-size: clamp(1.8rem, 3.2vw, 2.9rem); margin: 14px 0 18px; text-wrap: balance; }
.step p:last-child { color: var(--muted); }
.story-stage { position: sticky; top: 14vh; align-self: start; padding-top: 4vh; }
.lcd { position: relative; width: min(100%, 520px); aspect-ratio: 1; margin-left: auto; padding: 18px; border-radius: 28px; background: linear-gradient(180deg, #17171b, #08080a); border: 1px solid var(--line);
  box-shadow: 0 50px 100px -30px #000, 0 0 140px -30px rgba(255, 106, 31, .35), inset 0 1px 0 rgba(255, 255, 255, .08); }
.lcd-layer { position: absolute; inset: 18px; width: calc(100% - 36px); height: calc(100% - 36px); border-radius: 6px; opacity: 0; transition: opacity .6s var(--ease); }
.lcd-layer.on { opacity: 1; }
@media (max-width: 820px) {
  .story-grid { grid-template-columns: 1fr; }
  .story-stage { order: -1; top: 64px; z-index: 5; padding: 8px 0; background: linear-gradient(var(--bg) 80%, transparent); }
  .lcd { width: min(52vw, 240px); margin: 0 auto; padding: 10px; border-radius: 18px; }
  .lcd-layer { inset: 10px; width: calc(100% - 20px); height: calc(100% - 20px); }
  .story-copy .step { min-height: 60vh; }
}

.also { color: var(--faint); max-width: 60ch; margin-top: 12px; font-size: .98rem; }

/* tiles */
.trio, .quad { display: grid; gap: 16px; margin-top: clamp(32px, 5vw, 64px); }
.trio { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.quad { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.trio.two { margin-top: 16px; }
.tile, .cell { padding: clamp(24px, 3vw, 40px); border-radius: var(--radius); background: linear-gradient(180deg, rgba(255, 255, 255, .045), rgba(255, 255, 255, .015)); border: 1px solid var(--line); }
.tile h3 { font-size: clamp(1.3rem, 1.6vw, 1.7rem); letter-spacing: -.025em; line-height: 1.1; margin-bottom: 14px; }
.tile p, .cell p { color: var(--muted); }
.cell h3 { font-size: 1.1rem; letter-spacing: -.01em; margin-bottom: 8px; }
.cell p { font-size: .96rem; }
@media (max-width: 980px) { .quad { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 760px) { .trio { grid-template-columns: 1fr; } .quad { grid-template-columns: 1fr; } }

/* next + closer */
.next { padding: clamp(80px, 10vw, 140px) 0 0; }
.next-card { padding: clamp(32px, 5vw, 72px); border-radius: 32px; border: 1px solid var(--line); background: radial-gradient(60% 120% at 100% 0%, rgba(255, 255, 255, .06), transparent 60%), var(--bg2); }
.next-card .kicker { color: var(--muted); }
.next-card h2 { font-size: clamp(2rem, 4vw, 3.4rem); margin: 14px 0 18px; }
.closer { text-align: center; padding: clamp(100px, 14vw, 220px) 0; }
.closer h2 { max-width: 16ch; margin: 0 auto; }
.closer .lead { margin: 22px auto 36px; }

/* inner pages */
.page-head { padding: clamp(56px, 8vw, 120px) 0 clamp(24px, 4vw, 56px); }
.page-head h1 { font-weight: 800; letter-spacing: -.04em; line-height: .98; font-size: clamp(2.4rem, 6.4vw, 5.2rem); margin: 18px 0 22px; max-width: 14ch; text-wrap: balance; }
.page-head .more { margin-top: 34px; display: flex; align-items: center; flex-wrap: wrap; gap: 16px; }
.file { color: var(--faint); font: 400 13px var(--mono); }
.page section { padding: clamp(28px, 4vw, 56px) 0; }
.h-sm { font-size: clamp(1.5rem, 2.4vw, 2.1rem); letter-spacing: -.03em; margin-bottom: 26px; }
.chapters { display: grid; gap: 14px; }
.ch { display: flex; gap: 22px; padding: 26px; border-radius: var(--radius); border: 1px solid var(--line); background: rgba(255, 255, 255, .025); }
.ch-n { flex: none; width: 44px; height: 44px; display: grid; place-items: center; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-weight: 800; }
.ch h3 { font-size: 1.3rem; letter-spacing: -.02em; margin-bottom: 6px; }
.ch p { color: var(--muted); }
.plain { display: grid; gap: 10px; }
.plain li { color: var(--muted); padding-left: 22px; position: relative; }
.plain li::before { content: ""; position: absolute; left: 0; top: .7em; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.release { padding: 36px 0; border-top: 1px solid var(--line); }
.release h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); letter-spacing: -.03em; }
.release .meta, .release .tag { color: var(--muted); font-size: .92rem; margin-top: 6px; }
.rel-block { margin-top: 22px; }
.rel-block summary { cursor: pointer; list-style: none; }
.rel-block summary::-webkit-details-marker { display: none; }
.rel-block h3 { display: inline; font: 600 12px var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--accent); }
.rel-block h3 span { color: var(--faint); margin-left: 8px; }
.rel-block ul { margin-top: 12px; display: grid; gap: 8px; }
.rel-block li { color: var(--muted); font-size: .98rem; padding-left: 18px; position: relative; }
.rel-block li::before { content: ""; position: absolute; left: 0; top: .72em; width: 6px; height: 1px; background: var(--faint); }
.empty { color: var(--muted); }

/* footer */
footer { margin-top: 40px; border-top: 1px solid var(--line); padding: 40px 0 56px; color: var(--muted); font-size: .92rem; }
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 24px; }
.foot-links a { text-decoration: none; }
.foot-links a:hover { color: var(--fg); }
.fine { max-width: 72ch; margin-top: 22px; color: var(--faint); font-size: .82rem; line-height: 1.5; }

/* reveal on scroll, only with JS and motion allowed */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }
.js .story-copy .reveal.in { opacity: .35; }
.js .story-copy .reveal.in.active { opacity: 1; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}

/* a single display shown large */

/* the rack: one display, eight effects to choose from */
.rackpick { display: grid; grid-template-columns: minmax(0, 520px) minmax(0, 1fr); gap: clamp(28px, 5vw, 80px); align-items: center; margin-top: clamp(36px, 5vw, 64px); }
.rk-stage { margin: 0; }
.fx-layer { position: absolute; inset: 18px; width: calc(100% - 36px); height: calc(100% - 36px); border-radius: 6px; opacity: 0; transition: opacity .45s var(--ease); }
.fx-layer.on { opacity: 1; }
.rk-list { list-style: none; display: grid; gap: 4px; }
.rk-item { all: unset; box-sizing: border-box; display: grid; gap: 4px; width: 100%; padding: 14px 20px; border-radius: 16px; cursor: pointer; border: 1px solid transparent; transition: background .3s var(--ease), border-color .3s var(--ease); }
.rk-item strong { font-size: 1.35rem; letter-spacing: -.02em; color: var(--faint); transition: color .3s var(--ease); }
.rk-item span { color: var(--muted); font-size: .98rem; line-height: 1.4; display: none; }
.rk-item:hover strong { color: var(--text); }
.rk-item:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.rk-item.active { background: rgba(255, 255, 255, .045); border-color: var(--line); }
.rk-item.active strong { color: var(--accent); }
.rk-item.active span { display: block; }
@media (max-width: 800px) {
  .rackpick { grid-template-columns: 1fr; }
  .rk-stage.lcd { width: min(72vw, 320px); margin: 0 auto; }
  .rk-list { grid-template-columns: 1fr 1fr; }
  .rk-item { padding: 12px 14px; }
  .rk-item.active { grid-column: 1 / -1; order: -1; }
}
/* the play pair */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(20px, 3vw, 40px); margin-top: clamp(32px, 5vw, 64px); }
.duo figure { display: grid; justify-items: center; gap: 18px; }
.duo img { width: min(100%, 440px); height: auto; aspect-ratio: 1; padding: 14px; border-radius: 28px; background: linear-gradient(180deg, #17171b, #08080a); border: 1px solid var(--line); box-shadow: 0 50px 100px -30px #000, 0 0 120px -30px rgba(255, 106, 31, .3); }
.duo figcaption { color: var(--muted); font-size: .95rem; text-align: center; }
@media (max-width: 700px) { .duo { grid-template-columns: 1fr; } }
.rk-tag { display: inline-block; vertical-align: .18em; margin-left: 6px; font-style: normal; font-size: .58rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); border: 1px solid rgba(255, 106, 31, .4); border-radius: 99px; padding: 1px 7px; }
.plain-p { color: var(--muted); max-width: 62ch; }
.connect .trio { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 980px) { .connect .trio { grid-template-columns: 1fr 1fr; } }
@media (max-width: 760px) { .connect .trio { grid-template-columns: 1fr; } }
.tile { display: flex; flex-direction: column; }
.tile .more { margin-top: auto; padding-top: 24px; }
.plain-p + .plain-p { margin-top: 12px; }

/* deep-dive pages */
.learn { margin-top: clamp(24px, 3vw, 40px); }
.learn a { color: var(--accent); font-weight: 600; font-size: 1.05rem; }
.learn a:hover { text-decoration: underline; text-underline-offset: 4px; }
.dd { padding: clamp(56px, 8vw, 120px) 0 0; }
.dd-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 96px); align-items: center; }
.dd.flip .dd-copy { order: 2; }
.dd-copy h2 { font-size: clamp(1.9rem, 3.6vw, 3rem); letter-spacing: -.03em; line-height: 1.05; margin: 10px 0 18px; }
.dd-copy > p { color: var(--muted); font-size: 1.1rem; max-width: 46ch; }
.dd-copy .plain { margin-top: 22px; max-width: 46ch; }
.dd-shots { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; justify-items: center; }
.dd-shots img { width: 100%; max-width: 400px; height: auto; aspect-ratio: 1; padding: 12px; border-radius: 24px; background: linear-gradient(180deg, #17171b, #08080a); border: 1px solid var(--line); box-shadow: 0 40px 80px -30px #000, 0 0 100px -30px rgba(255, 106, 31, .25); }
.gal { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(16px, 2vw, 28px); margin-top: clamp(36px, 5vw, 64px); }
.gal li { display: grid; gap: 8px; align-content: start; }
.gal img { width: 100%; height: auto; aspect-ratio: 1; padding: 10px; border-radius: 20px; background: linear-gradient(180deg, #17171b, #08080a); border: 1px solid var(--line); margin-bottom: 8px; }
.gal strong { font-size: 1.2rem; letter-spacing: -.02em; }
.gal span { color: var(--muted); font-size: .95rem; line-height: 1.4; }
.spec-h { margin-top: clamp(40px, 5vw, 72px); }
.spec { display: grid; margin-top: 16px; border-top: 1px solid var(--line); }
.spec > div { display: grid; grid-template-columns: minmax(130px, 220px) 1fr; gap: 24px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.spec dt { color: var(--faint); }
.spec dd { color: var(--text); }
@media (max-width: 900px) { .dd-grid { grid-template-columns: 1fr; } .dd.flip .dd-copy { order: 0; } .gal { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .spec > div { grid-template-columns: 1fr; gap: 4px; } }
.dd-copy .kicker { color: var(--accent); font-size: .78rem; letter-spacing: .16em; }
.ways .tile .kicker { margin-bottom: 6px; }
.ways .warn, .ways .good { margin-top: 14px; padding: 12px 14px; border-radius: 12px; font-size: .93rem; border: 1px solid var(--line); }
.ways .warn { border-color: rgba(255, 106, 31, .35); background: rgba(255, 106, 31, .06); color: var(--text); }
.ways .good { background: rgba(255, 255, 255, .03); }
.trio.ways { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-bottom: 24px; }
@media (max-width: 760px) { .trio.ways { grid-template-columns: 1fr; } }

.lang { display: flex; gap: 2px; font-size: 12px; letter-spacing: .06em; }
.lang a { color: var(--muted); text-decoration: none; padding: 6px 7px; border-radius: 6px; }
.lang a:hover, .lang a[aria-current] { color: var(--fg); }
.lang a[aria-current] { background: rgba(255, 255, 255, .08); }
.ack { list-style: none; padding: 0; display: grid; gap: 8px; max-width: 70ch; }

/* install: showcase banks */
.banks .lead { margin-top: 14px; max-width: 62ch; }
.banks .trio { margin-top: 28px; }
.banklist { display: grid; margin-top: 12px; border-top: 1px solid var(--line); }
.banklist li { display: grid; grid-template-columns: 1fr auto auto auto; gap: 16px; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--line); }
.banklist .bn { font-weight: 600; }
.banklist .chip { font: 600 12px var(--mono); color: var(--accent); border: 1px solid rgba(255, 106, 31, .4); border-radius: 99px; padding: 2px 10px; }
.banklist .sz { color: var(--faint); font-size: .9rem; }
.banklist .btn { padding: 8px 18px; font-size: .9rem; }
.banks .more { margin: 28px 0 22px; display: flex; flex-wrap: wrap; gap: 12px; }
@media (max-width: 560px) { .banklist li { grid-template-columns: 1fr auto; } .banklist .chip, .banklist .sz { display: none; } }