@font-face { font-family: "Bebas Neue"; src: url(../assets/fonts/bebas.woff2) format("woff2"); font-display: swap; unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Bebas Neue"; src: url(../assets/fonts/bebas-ext.woff2) format("woff2"); font-display: swap; unicode-range: U+0100-024F, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Inter"; src: url(../assets/fonts/inter.woff2) format("woff2"); font-weight: 100 900; font-display: swap; unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Inter"; src: url(../assets/fonts/inter-ext.woff2) format("woff2"); font-weight: 100 900; font-display: swap; unicode-range: U+0100-024F, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2C60-2C7F, U+A720-A7FF; }

:root {
  --bg: #060606;
  --ink: #f3efe7;
  --muted: #9d978c;
  --gold: #d9ac57;
  --gold-2: #f2cf86;
  --green: #2bbf62;
  --red: #ef5a4f;
  --line: rgba(243, 239, 231, 0.12);
  --pad: clamp(20px, 5vw, 96px);
  --crumb: url(../assets/tex/crumb-ui.webp);
  --ease: cubic-bezier(.16, 1, .3, 1);
  color-scheme: dark;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; background: var(--bg); color: var(--ink); overflow: hidden; }
body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: clamp(15px, 1.2vw, 21px);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
img { display: block; max-width: 100%; }
b { font-weight: 650; }

/* ---------- Capas ---------- */
#gl { position: fixed; inset: 0; width: 100vw; height: 100vh; z-index: 2; pointer-events: none; opacity: 0; transition: opacity .5s; }
#gl.on { opacity: 1; }
#grain {
  position: fixed; inset: -50%; z-index: 20; pointer-events: none; opacity: .055;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='160' height='160' filter='url(%23n)'/></svg>");
  animation: grain 1.2s steps(6) infinite;
}
@keyframes grain { 0%{transform:translate(0,0)} 20%{transform:translate(-3%,2%)} 40%{transform:translate(2%,-3%)} 60%{transform:translate(-2%,-1%)} 80%{transform:translate(3%,3%)} 100%{transform:translate(0,0)} }

#deck { position: fixed; inset: 0; z-index: 3; }
.scene { position: absolute; inset: 0; visibility: hidden; opacity: 0; overflow: hidden; }
.scene.is-active { visibility: visible; }
.wrap { position: absolute; inset: 0; padding: var(--pad); padding-bottom: calc(var(--pad) + 28px); display: flex; flex-direction: column; justify-content: center; gap: clamp(14px, 2.2vh, 28px); z-index: 2; }
.wrap.bottom-left { justify-content: flex-end; }
.wrap.center { align-items: center; text-align: center; }
.wrap.top-center { justify-content: flex-start; align-items: center; text-align: center; padding-top: calc(var(--pad) * .8); }
.col { max-width: min(1500px, 100%); }

/* ---------- Tipografía ---------- */
.display { font-family: "Bebas Neue", Impact, "Arial Narrow", sans-serif; font-weight: 400; line-height: .9; letter-spacing: .01em; text-transform: uppercase; }
.xl { font-size: clamp(64px, 12.5vw, 220px); }
.huge { font-size: clamp(110px, 19vw, 330px); line-height: .82; }
.lg { font-size: clamp(42px, 6.2vw, 112px); }
.big { font-size: clamp(54px, 7vw, 124px); line-height: .85; }
.md { font-size: clamp(30px, 3.3vw, 58px); }
.kicker { font-size: clamp(12px, .95vw, 16px); font-weight: 700; letter-spacing: .24em; text-transform: uppercase; color: var(--muted); }
.lead { font-size: clamp(17px, 1.6vw, 28px); color: #d9d4ca; max-width: 34ch; }
.gold { color: var(--gold); }
.green { color: var(--green); }
.red { color: var(--red); }
.muted { color: var(--muted); }
.src { font-size: clamp(11px, .8vw, 13px); color: #6f6a61; letter-spacing: .06em; }
.note { color: #cfc9be; }
.ln { display: block; overflow: hidden; padding: .14em 0 .04em; margin-top: -.14em; }
.ln > span { display: inline-block; will-change: transform; }

.rule { width: clamp(70px, 9vw, 150px); height: 4px; background: var(--green); transform-origin: left; }

.chip { display: inline-flex; align-items: center; padding: .55em 1.1em; border: 1px solid var(--line); border-radius: 999px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; font-size: clamp(12px, 1vw, 16px); background: rgba(255,255,255,.03); backdrop-filter: blur(6px); }
.chip.big { font-size: clamp(13px, 1.15vw, 19px); letter-spacing: .08em; text-transform: none; border-color: rgba(217,172,87,.4); color: var(--gold-2); }

/* Textura de caucho (se inyecta --crumb desde JS) */
.crumb-bg::before { content: ""; position: absolute; inset: -40px; background-image: var(--crumb); background-size: 380px; opacity: .9; transform: translate3d(var(--mx, 0), var(--my, 0), 0); transition: transform .6s var(--ease); z-index: 0; }
.crumb-bg::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 45%, rgba(6,6,6,.55), rgba(6,6,6,.92) 70%); z-index: 1; }
.crumb-text { background: linear-gradient(180deg, var(--gold-2), var(--gold) 55%, #9c7633); -webkit-background-clip: text; background-clip: text; color: transparent; position: relative; }

/* ---------- Fotos de fondo ---------- */
.bg-photo { position: absolute; inset: 0; z-index: 0; }
.bg-photo img { width: 100%; height: 100%; object-fit: cover; transform-origin: 60% 50%; }
.bg-photo.right { left: 38%; }
.bg-photo.right img { mask-image: linear-gradient(90deg, transparent, #000 35%); -webkit-mask-image: linear-gradient(90deg, transparent, #000 35%); }
.bg-photo.dim img { filter: grayscale(.3) brightness(.7); }
.vignette { position: absolute; inset: 0; z-index: 1; background: radial-gradient(ellipse at 65% 40%, transparent 30%, rgba(6,6,6,.85) 85%), linear-gradient(0deg, rgba(6,6,6,.9), transparent 55%); }
.shade-left { position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, var(--bg) 30%, rgba(6,6,6,.75) 55%, rgba(6,6,6,.15)); }

/* Contenidos que se reemplazan: se superponen en la misma celda */
.swap { display: grid; }
.swap > .grp { grid-area: 1 / 1; display: flex; flex-direction: column; gap: clamp(14px, 2.2vh, 28px); align-self: center; min-width: 0; }
.swap.end > .grp { align-self: end; gap: 10px; }
.swap > .duo.grp { display: grid; }
.wrap.center .swap > .grp { align-items: center; }

/* ---------- 01 Gancho ---------- */
.s-gancho .wrap { gap: 10px; }
.s-gancho .kicker { font-size: clamp(16px, 1.6vw, 28px); letter-spacing: .12em; }

/* ---------- 02 Problema ---------- */
.s-problema .wrap { max-width: 1100px; }
.s-problema .swap > .grp, .s-equipo .swap > .grp { align-self: start; }
.stat-hero { display: grid; gap: 8px; }
.stat-unit { font-size: clamp(34px, 4.6vw, 80px); color: var(--gold); }
.duo { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(18px, 3vw, 48px); max-width: 980px; }
.duo-item { border-top: 1px solid var(--line); padding-top: 18px; display: grid; gap: 10px; }
.duo-item p { font-size: clamp(16px, 1.4vw, 24px); color: #d9d4ca; }
.duo-item p.src { font-size: clamp(11px, .8vw, 13px); color: #6f6a61; }
.duo-item .ico { width: 42px; height: 42px; color: var(--gold); }
.duo .note { grid-column: 1 / -1; font-size: clamp(15px, 1.25vw, 21px); }
.local { display: grid; gap: clamp(14px, 2vh, 24px); max-width: 1000px; }
.tri { display: flex; gap: 10px; flex-wrap: wrap; }
.pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(18px, 3vw, 48px); }
.pair p { color: #d9d4ca; max-width: 22ch; }

/* ---------- 03 Solución ---------- */
.split { flex-direction: row; align-items: center; }
.col-text { width: min(46%, 720px); display: flex; flex-direction: column; gap: clamp(12px, 2vh, 22px); }
.col-visual { flex: 1; align-self: stretch; position: relative; }
.brand { display: flex; align-items: center; gap: 16px; }
.logo-sm { width: clamp(56px, 5vw, 86px); }
.logo-md { width: clamp(90px, 9vw, 150px); }
.logo-lg { width: clamp(150px, 18vw, 260px); }
.steps { list-style: none; display: grid; gap: clamp(8px, 1.4vh, 16px); counter-reset: s; }
.steps li { display: grid; grid-template-columns: 52px 1fr; gap: 12px; padding: clamp(10px, 1.4vh, 16px) 0; border-top: 1px solid var(--line); }
.steps li > b { font-family: "Bebas Neue", sans-serif; font-size: clamp(26px, 2.4vw, 40px); color: var(--gold); line-height: 1; font-weight: 400; }
.steps h4 { font-size: clamp(17px, 1.5vw, 26px); font-weight: 700; letter-spacing: .02em; }
.steps p { color: #bdb7ac; font-size: clamp(14px, 1.05vw, 18px); }
.spec { position: absolute; left: 50%; bottom: 4%; transform: translateX(-50%); display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; width: 100%; }
.spec span { padding: .45em .9em; border: 1px solid rgba(217,172,87,.35); border-radius: 999px; font-size: clamp(12px, .95vw, 15px); letter-spacing: .08em; color: var(--gold-2); background: rgba(6,6,6,.6); }

/* ---------- 04 Duelo ---------- */
.s-duelo .wrap { z-index: 4; pointer-events: none; }
.duel-labels { position: absolute; inset: auto 0 calc(var(--pad) * .7 + 24px) 0; display: grid; grid-template-columns: 1fr 1fr; z-index: 4; padding: 0 var(--pad); pointer-events: none; }
.dl { display: grid; gap: 6px; }
.dl.left { justify-items: start; text-align: left; }
.dl.right { justify-items: end; text-align: right; }
.footnote { position: absolute; left: 0; right: 0; bottom: 14px; text-align: center; font-size: 12px; color: #6f6a61; letter-spacing: .06em; z-index: 4; }
#stagebg { position: fixed; inset: 0; z-index: 1; opacity: 0; transition: opacity .8s; background: radial-gradient(ellipse at 50% 72%, #1d1912, var(--bg) 68%); pointer-events: none; }
body.bg-duel #stagebg { opacity: 1; }
body.bg-disc #stagebg { opacity: .7; background: radial-gradient(ellipse at 70% 50%, #1a1712, var(--bg) 60%); }

/* ---------- 05 Desafío ---------- */
.s-desafio h2 { max-width: 26ch; }
.cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(10px, 1.4vw, 22px); width: min(1400px, 100%); margin-top: 8px; }
.card { position: relative; text-align: left; padding: clamp(18px, 2vw, 30px); border-radius: 22px; border: 1px solid rgba(217,172,87,.28); background: linear-gradient(160deg, rgba(30,28,24,.85), rgba(10,10,10,.85)); box-shadow: inset 0 1px 0 rgba(255,255,255,.06), 0 30px 60px -30px rgba(0,0,0,.8); display: grid; gap: 10px; overflow: hidden; }
.card::before { content: ""; position: absolute; inset: 0; background-image: var(--crumb); background-size: 260px; opacity: .35; mix-blend-mode: screen; pointer-events: none; }
.card i { font-style: normal; width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: var(--green); color: #04130a; font-weight: 800; position: relative; }
.card h4 { font-family: "Bebas Neue", sans-serif; font-weight: 400; font-size: clamp(28px, 2.4vw, 42px); line-height: 1; position: relative; }
.card p { color: #cfc9be; font-size: clamp(14px, 1.05vw, 18px); position: relative; }

/* Desafío: llanta → granulado → disco */
.pasos { display: flex; align-items: center; justify-content: center; gap: clamp(10px, 2vw, 36px); margin-top: clamp(10px, 3vh, 34px); }
.pasos figure { display: grid; justify-items: center; gap: 14px; }
.pasos img { width: clamp(120px, 17vw, 280px); aspect-ratio: 1; border-radius: 50%; box-shadow: 0 0 0 1px rgba(217,172,87,.28), 0 30px 60px -30px rgba(0,0,0,.9); }
.pasos figcaption { font-size: clamp(12px, 1vw, 17px); letter-spacing: .16em; text-transform: uppercase; color: #cfc9be; font-weight: 600; }
.pasos .arr { width: clamp(28px, 4vw, 70px); height: 2px; background: var(--gold); position: relative; margin-bottom: 34px; }
.pasos .arr::after { content: ""; position: absolute; right: -1px; top: -5px; width: 10px; height: 10px; border-top: 2px solid var(--gold); border-right: 2px solid var(--gold); transform: rotate(45deg); }

/* ---------- 06 Mercado ---------- */
.segs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(14px, 2.4vw, 40px); max-width: 980px; }
.seg { border-top: 1px solid var(--line); padding-top: 14px; }
.seg p { color: #d9d4ca; }
.seg em { font-style: normal; color: var(--gold); font-weight: 600; letter-spacing: .12em; text-transform: uppercase; font-size: .78em; }

/* ---------- 07 Competencia ---------- */
.bars { display: grid; gap: clamp(10px, 1.6vh, 18px); width: min(1100px, 100%); margin-top: 6px; }
.bar { display: grid; grid-template-columns: clamp(44px, 4.4vw, 70px) clamp(120px, 13vw, 210px) 1fr auto; align-items: center; gap: clamp(10px, 1.4vw, 22px); }
.bar img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 12px; background: #fff; }
.bar.us img { background: #000; object-fit: contain; }
.bar .name { font-weight: 700; letter-spacing: .04em; }
.bar .track { height: clamp(18px, 2.4vh, 28px); border-radius: 99px; background: rgba(255,255,255,.05); overflow: hidden; }
.bar .track i { display: block; height: 100%; width: calc(var(--v) / 600 * 100%); border-radius: inherit; background: linear-gradient(90deg, #4a4740, #77726a); transform-origin: left; }
.bar.us .track i { background: linear-gradient(90deg, #9c7633, var(--gold), var(--gold-2)); box-shadow: 0 0 30px rgba(217,172,87,.5); }
.bar .val { font-family: "Bebas Neue", sans-serif; font-size: clamp(26px, 2.6vw, 46px); min-width: 3.6em; text-align: right; }
.bar.us .val, .bar.us .name { color: var(--gold); }
.win { display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap; }
.win .upto { font-size: .42em; margin-right: .25em; letter-spacing: .04em; vertical-align: .55em; }
.win p { font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: #d9d4ca; }

/* ---------- 08 Tracción ---------- */
.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(12px, 2vw, 36px); width: min(1300px, 100%); }
.kpis > div { border-top: 1px solid var(--line); padding-top: 12px; }
.kpis p { color: #cfc9be; text-transform: uppercase; letter-spacing: .12em; font-size: clamp(11px, .95vw, 15px); font-weight: 600; }
.facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(12px, 2vw, 36px); width: min(1300px, 100%); }
.facts > div { padding: clamp(14px, 1.6vw, 24px); border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.025); }
.facts p { color: #cfc9be; margin-top: 6px; }

/* ---------- 09 Equipo ---------- */
.team { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: clamp(8px, 1.2vw, 18px); width: min(1400px, 100%); }
.team figure { display: grid; gap: 8px; }
.team img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 16px; filter: grayscale(1) contrast(1.05); }
.team figcaption { font-size: clamp(11px, .85vw, 14px); color: var(--muted); line-height: 1.3; }
.team figcaption b { display: block; color: var(--ink); font-size: clamp(13px, 1.05vw, 17px); letter-spacing: .06em; text-transform: uppercase; }
.awards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(12px, 2vw, 32px); width: min(1300px, 100%); }
.awards > div { border-top: 2px solid var(--gold); padding-top: 12px; }
.awards p { color: #cfc9be; }
.marquee { width: calc(100% + var(--pad) * 2); margin: 0 calc(var(--pad) * -1); overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.mq-track { display: flex; gap: 14px; width: max-content; animation: mq 38s linear infinite; }
.mq-track img { height: clamp(110px, 17vh, 190px); width: auto; border-radius: 14px; object-fit: cover; }
@keyframes mq { to { transform: translateX(-50%); } }

/* ---------- 10 Cierre ---------- */
.asks { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.sign { display: grid; justify-items: center; gap: 10px; margin-top: 6px; }
.qrs { display: flex; gap: 22px; justify-content: center; }
.qrs figure { display: grid; justify-items: center; gap: 6px; }
.qrs img { width: clamp(64px, 6.5vw, 108px); background: #fff; padding: 6px; border-radius: 10px; }
.qrs figcaption { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }

/* ---------- Video ---------- */
.s-bucle video { width: 100%; height: 100%; object-fit: contain; background: #000; }

/* ---------- Inicio ---------- */
#start { position: fixed; inset: 0; z-index: 50; display: grid; place-content: center; justify-items: center; gap: 22px; text-align: center; padding: var(--pad); background: var(--bg); }
#start > * { position: relative; z-index: 2; }
#start .go { margin-top: 6px; font: 700 clamp(14px, 1.1vw, 18px)/1 "Inter", sans-serif; letter-spacing: .2em; text-transform: uppercase; color: #120d04; background: linear-gradient(180deg, var(--gold-2), var(--gold)); border: 0; padding: 1.1em 2.2em; border-radius: 999px; cursor: pointer; box-shadow: 0 18px 50px -12px rgba(217,172,87,.55); transition: transform .3s var(--ease); }
#start .go:hover { transform: translateY(-2px) scale(1.02); }
#start .keys { color: #6f6a61; font-size: 12px; }
kbd { font: 600 11px/1 "Inter", sans-serif; padding: 3px 6px; border: 1px solid var(--line); border-radius: 5px; color: var(--muted); }

/* ---------- HUD ---------- */
#hud .hud-label { display: none; }
#hud { position: fixed; inset: auto 0 0 0; z-index: 30; height: 46px; display: flex; align-items: center; justify-content: space-between; padding: 0 var(--pad); pointer-events: none; font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: #6f6a61; font-weight: 700; }
.hud-count b { color: var(--ink); font-weight: 700; }
.hud-right { display: flex; gap: 16px; align-items: center; margin-left: auto; }
.hud-auto { color: var(--gold); opacity: 0; transition: opacity .3s; }
body.auto .hud-auto { opacity: 1; }
.hud-bar { position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: rgba(255,255,255,.05); }
.hud-bar i { position: absolute; inset: 0; background: linear-gradient(90deg, var(--green), var(--gold)); transform-origin: left; transform: scaleX(0); transition: transform .8s var(--ease); }
body.started #start { pointer-events: none; }

/* ---------- Presentador ---------- */
body.presenter { overflow: auto; user-select: text; }
.pv { min-height: 100vh; padding: 28px; display: grid; gap: 20px; grid-template-columns: 1.4fr 1fr; grid-template-rows: auto 1fr; font-size: 22px; }
.pv header { grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); padding-bottom: 14px; }
.pv .timer { font-family: "Bebas Neue", sans-serif; font-size: 64px; color: var(--gold); }
.pv .now h2 { font-family: "Bebas Neue", sans-serif; font-weight: 400; font-size: 56px; }
.pv .notes { font-size: 30px; line-height: 1.4; margin-top: 14px; }
.pv .next { color: var(--muted); border-left: 1px solid var(--line); padding-left: 20px; }
.pv button { font: 700 16px "Inter"; padding: 14px 22px; border-radius: 12px; border: 1px solid var(--line); background: #151515; color: var(--ink); cursor: pointer; }

/* ---------- Responsive ---------- */
@media (max-width: 900px), (max-aspect-ratio: 9/10) {
  .split { flex-direction: column; justify-content: flex-end; }
  .col-text { width: 100%; }
  .col-visual { position: absolute; inset: 0 0 auto 0; height: 42%; }
  .s-solucion .wrap { justify-content: flex-end; }
  .s-solucion .steps li { padding: 6px 0; }
  .s-solucion .steps p { display: none; }
  .s-solucion .steps li:last-child p { display: block; }
  .spec { display: none; }
  .duo, .pair { grid-template-columns: 1fr; gap: 14px; }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pasos { gap: 8px; }
  .pasos .arr { width: 16px; }
  .pasos figcaption { font-size: 10px; letter-spacing: .08em; }
  .card { padding: 14px; border-radius: 16px; gap: 6px; }
  .card i { width: 30px; height: 30px; }
  .segs { grid-template-columns: 1fr; gap: 10px; }
  .seg { display: grid; grid-template-columns: auto 1fr; gap: 0 14px; align-items: end; }
  .seg em { grid-column: 2; }
  .bar { grid-template-columns: 38px 1fr auto; }
  .bar .track { grid-column: 1 / -1; grid-row: 2; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .facts, .awards { grid-template-columns: 1fr; }
  .team { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .bg-photo.right { left: 0; opacity: .45; }
  .duel-labels { bottom: calc(var(--pad) + 30px); }
  .pv { grid-template-columns: 1fr; }
}
@media (max-height: 640px) and (min-width: 901px) {
  .team img { aspect-ratio: 1; }
  .mq-track img { height: 90px; }
}
@media (prefers-reduced-motion: reduce) {
  #grain, .mq-track { animation: none; }
}