/* Arcula site: the film's white stage, one accent, type that arrives word by word. */
:root {
  --bg: #ffffff;
  --ink: #0b0b0c;
  --muted: #6e6b64;
  --soft: #8e8a82;
  --paper: #fbfaf6;
  --surface: #f4f2ec;
  --line: rgba(11, 11, 12, 0.08);
  --accent: #c77d14;
  --ok: #2e7d32;
  --serif: Literata, 'Iowan Old Style', Georgia, serif;
  --sans: Inter, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --ease: cubic-bezier(0.23, 1, 0.32, 1);
  --spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --pad: clamp(20px, 5vw, 64px);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0b0c;
    --ink: #f4f2ec;
    --muted: #a8a397;
    --soft: #8a857a;
    --paper: #16150f;
    --surface: #1b1a16;
    --line: rgba(244, 242, 236, 0.1);
    --accent: #e09a35;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { background: var(--bg); color: var(--ink); font: 400 17px/1.55 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; }
em { font-style: normal; color: var(--accent); }
section { position: relative; padding: clamp(80px, 12vw, 160px) var(--pad); max-width: 1240px; margin: 0 auto; }
h1, h2 { font-weight: 600; letter-spacing: -0.035em; line-height: 1.08; text-wrap: balance; }
h1 { font-size: clamp(44px, 8.2vw, 104px); }
h2 { font-size: clamp(34px, 5.4vw, 64px); margin-top: 14px; }
h3 { font-size: 20px; font-weight: 600; letter-spacing: -0.015em; }
.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); }
.lead { max-width: 640px; margin: 26px auto 0; color: var(--muted); font-size: clamp(18px, 2vw, 21px); line-height: 1.5; }

/* ── nav ── */
.nav { position: fixed; inset: 0 0 auto 0; z-index: 50; display: flex; align-items: center; gap: 28px; padding: 14px var(--pad); transition: background-color .3s, box-shadow .3s, backdrop-filter .3s; }
.nav.solid { background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: saturate(1.6) blur(18px); box-shadow: 0 1px 0 var(--line); }
.brand { display: flex; align-items: center; gap: 10px; font: 600 21px var(--serif); letter-spacing: -0.01em; }
.mark { width: 30px; height: 30px; flex: none; }
.mark rect:first-child, .mark .hole { fill: var(--ink); }
.mark .lid, .mark .body, .mark .pin { fill: var(--bg); }
.brand:hover .mark .lid { transform: translateY(-14px) rotate(-10deg); }
.mark .lid { transform-box: fill-box; transform-origin: 0% 100%; transition: transform .45s var(--spring); }
.links { display: flex; gap: 26px; margin-left: auto; font-size: 15px; color: var(--muted); }
.links a { transition: color .2s; }
.links a:hover { color: var(--ink); }

/* ── buttons ── */
.btn { display: inline-flex; align-items: center; gap: 10px; height: 54px; padding: 0 26px; border-radius: 999px; background: var(--ink); color: var(--bg); font-weight: 600; font-size: 17px; transition: transform .18s var(--ease), opacity .2s; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: scale(.97); }
.btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.btn.ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--line); }
.btn.ghost svg { fill: currentColor; stroke: none; }
.btn.small { height: 40px; padding: 0 18px; font-size: 15px; }

/* ── hero ── */
.hero { min-height: 100svh; padding-top: clamp(130px, 18vh, 200px); text-align: center; overflow: visible; }
.hero .eyebrow { margin-bottom: 22px; }
.cta { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-top: 38px; }
.halftone { position: absolute; inset: -10% -20% auto -20%; height: 120%; z-index: -1; pointer-events: none; opacity: .9;
  background-image: radial-gradient(circle, rgba(11,11,12,.10) var(--dot, 4px), transparent calc(var(--dot, 4px) + .6px)); background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(60% 55% at 100% 100%, #000 0, transparent 70%), radial-gradient(40% 40% at 0% 0%, #000 0, transparent 70%);
  mask-image: radial-gradient(60% 55% at 100% 100%, #000 0, transparent 70%), radial-gradient(40% 40% at 0% 0%, #000 0, transparent 70%); }
.halftone.flip { -webkit-mask-image: radial-gradient(55% 55% at 0% 100%, #000 0, transparent 70%), radial-gradient(40% 40% at 100% 0%, #000 0, transparent 70%); mask-image: radial-gradient(55% 55% at 0% 100%, #000 0, transparent 70%), radial-gradient(40% 40% at 100% 0%, #000 0, transparent 70%); }
@media (prefers-color-scheme: dark) { .halftone { background-image: radial-gradient(circle, rgba(244,242,236,.08) var(--dot, 4px), transparent calc(var(--dot, 4px) + .6px)); } }

/* the redaction demo */
.demo { position: relative; max-width: 760px; margin: clamp(56px, 8vw, 90px) auto 0; text-align: left; border-radius: 22px; background: var(--paper); box-shadow: 0 0 0 1px var(--line), 0 40px 90px rgba(0,0,0,.10), 0 12px 28px rgba(0,0,0,.05); overflow: hidden; }
.demo-bar { display: flex; align-items: center; gap: 7px; padding: 14px 18px; font-size: 13px; color: var(--muted); box-shadow: inset 0 -1px 0 var(--line); }
.demo-bar > span { width: 11px; height: 11px; border-radius: 6px; background: var(--line); }
.demo-bar b { margin-left: 10px; font-weight: 500; }
.demo-count { margin-left: auto; font-style: normal; }
.demo-count b { display: inline-block; min-width: 1ch; color: var(--ink); font: 600 15px var(--sans); font-variant-numeric: tabular-nums; transition: transform .3s var(--spring); }
.demo-count b.bump { transform: scale(1.35); }
.demo-sheet { position: relative; padding: 30px clamp(20px, 4vw, 40px) 26px; font: 500 clamp(16px, 2vw, 19px)/1.9 var(--serif); color: #1b1a17; background: #fffefb; overflow: hidden; }
.demo-sheet p + p { margin-top: 6px; }
.v, .w-v { position: relative; display: inline-block; white-space: nowrap; }
.v .o, .w-v .o { transition: background-color .3s, box-shadow .3s; }
.v .l, .w-v .l { position: absolute; inset: 50% -3px auto -3px; transform: translateY(-50%) scaleX(.2); transform-origin: 0 50%; padding: 1px 6px; border-radius: 4px; background: #1b1a17; color: #fffefb; font: 600 .62em/1.7 var(--sans); letter-spacing: .03em; text-align: center; white-space: nowrap; opacity: 0; transition: transform .45s var(--ease), opacity .25s; }
.v.found .o { background: rgba(199,125,20,.2); box-shadow: inset 0 -2px 0 var(--accent); }
.v.hidden .l { opacity: 1; transform: translateY(-50%) scaleX(1); }
.scan { position: absolute; inset: 0 auto 0 0; width: 40%; background: linear-gradient(90deg, transparent, rgba(27,26,23,.06) 70%, rgba(27,26,23,.14)); border-right: 1.5px solid rgba(27,26,23,.35); transform: translateX(-110%); pointer-events: none; }
.demo.scanning .scan { animation: scan 1.8s linear; }
@keyframes scan { to { transform: translateX(260%); } }
.demo-note { padding: 14px 20px; font-size: 13px; color: var(--muted); box-shadow: inset 0 1px 0 var(--line); }

/* ── film ── */
.film { padding-top: 0; }
.film-frame { position: relative; border-radius: 26px; overflow: hidden; background: #000; box-shadow: 0 50px 100px rgba(0,0,0,.14), 0 0 0 1px var(--line); aspect-ratio: 16 / 9; }
.film-frame video { width: 100%; height: 100%; object-fit: cover; }
.film-play { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; border: 0; background: rgba(255,255,255,.05); color: #0b0b0c; font: 600 16px var(--sans); cursor: pointer; transition: background-color .3s; }
.film-play span { width: 92px; height: 92px; border-radius: 46px; background: #0b0b0c; display: grid; place-items: center; box-shadow: 0 20px 40px rgba(0,0,0,.25); transition: transform .35s var(--spring); }
.film-play svg { width: 34px; height: 34px; fill: #fff; margin-left: 5px; }
.film-play:hover span { transform: scale(1.08); }
.film-frame.playing .film-play { opacity: 0; pointer-events: none; transition: opacity .3s; }

/* ── how: sticky window ── */
.how { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(30px, 6vw, 90px); align-items: start; }
.steps { list-style: none; margin-top: 50px; display: flex; flex-direction: column; gap: 10px; }
.step { position: relative; padding: 26px 26px 26px 76px; border-radius: 22px; min-height: 42vh; opacity: .35; transition: opacity .5s var(--ease), background-color .5s; }
.step.on { opacity: 1; background: var(--surface); }
.step .num { position: absolute; left: 24px; top: 24px; width: 34px; height: 34px; border-radius: 17px; display: grid; place-items: center; background: var(--ink); color: var(--bg); font-weight: 700; font-size: 15px; }
.step p { margin-top: 10px; color: var(--muted); }
.how-stage { position: sticky; top: 16vh; height: 68vh; display: grid; place-items: center; }
.win { width: 100%; border-radius: 20px; background: #fbfaf6; color: #1b1a17; box-shadow: 0 0 0 1px rgba(0,0,0,.06), 0 40px 90px rgba(0,0,0,.14); overflow: hidden; position: relative; font-size: 14px; }
.win-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; background: #f4f2ec; font-size: 13px; color: #6e6b64; }
.win-bar span { width: 10px; height: 10px; border-radius: 5px; background: rgba(0,0,0,.1); }
.win-bar b { margin-left: 8px; font-weight: 600; color: #1b1a17; font-family: var(--serif); }
.win-body { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding: 18px; min-height: 330px; }
.win-doc { padding: 22px 20px; border-radius: 6px; background: #fffefb; box-shadow: 0 1px 2px rgba(0,0,0,.1), 0 8px 24px rgba(0,0,0,.06); font: 500 14.5px/1.8 var(--serif); }
.win-doc h4 { font: 600 15px var(--serif); margin-bottom: 10px; }
.win-doc i { display: block; height: 6px; margin: 10px 0; border-radius: 3px; background: #e8e4da; }
.win-chat { display: flex; flex-direction: column; gap: 10px; }
.who { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.dotav { width: 22px; height: 22px; border-radius: 6px; background: radial-gradient(circle at 35% 35%, #4aa3ff 0 3px, transparent 3.5px), radial-gradient(circle at 65% 35%, #4aa3ff 0 3px, transparent 3.5px), #1b1a17; }
.bub { padding: 10px 13px; border-radius: 16px; line-height: 1.45; opacity: 0; transform: translateY(12px) scale(.95); transition: opacity .45s var(--ease), transform .45s var(--spring); }
.bub.me { align-self: flex-end; background: #1b1a17; color: #fbfaf6; border-bottom-right-radius: 5px; max-width: 90%; }
.bub.me small { display: block; margin-top: 6px; padding: 5px 9px; border-radius: 9px; background: rgba(251,250,246,.14); font-size: 12px; }
.bub.it { background: #f4f2ec; border-bottom-left-radius: 5px; }
.tag { display: inline-block; padding: 0 6px; border-radius: 4px; background: #1b1a17; color: #fbfaf6; font: 600 12px/1.6 var(--sans); transition: background-color .4s, color .4s; }
.restore { margin-top: auto; padding: 11px; border-radius: 13px; background: #f4f2ec; text-align: center; font-weight: 600; opacity: 0; transition: opacity .4s; }
.win-ok { position: absolute; left: 50%; bottom: 16px; transform: translate(-50%, 20px); padding: 10px 18px; border-radius: 999px; background: #1b1a17; color: #fbfaf6; font-weight: 600; font-size: 13px; white-space: nowrap; opacity: 0; transition: opacity .4s, transform .5s var(--spring); }
.win[data-state="1"] .w-v .l, .win[data-state="2"] .w-v .l { opacity: 1; transform: translateY(-50%) scaleX(1); }
.win[data-state="2"] .bub, .win[data-state="3"] .bub { opacity: 1; transform: none; }
.win[data-state="2"] .bub.it { transition-delay: .5s; }
.win[data-state="3"] .restore { opacity: 1; }
.win[data-state="3"] .w-v .o { background: rgba(46,125,50,.16); box-shadow: inset 0 -2px 0 var(--ok); }
.win[data-state="3"] .tag { background: rgba(46,125,50,.16); color: #1b1a17; }
.win[data-state="3"] .win-ok { opacity: 1; transform: translate(-50%, 0); transition-delay: .3s; }

/* ── features: bento ── */
.features { text-align: center; }
.bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 60px; text-align: left; }
.tile { padding: 30px; border-radius: 26px; background: var(--surface); display: flex; flex-direction: column; gap: 10px; transition: transform .4s var(--ease); }
.tile:hover { transform: translateY(-4px); }
.tile p { color: var(--muted); }
.tile.big { grid-column: span 2; }
.tile.dark { background: #0b0b0c; color: #f4f2ec; }
.tile.dark p, .tile.dark small { color: #a8a397; }
.tile.dark small { margin-top: auto; font-size: 13px; }
.crowd { display: flex; gap: 14px; margin-top: auto; padding-top: 22px; }
.crowd canvas { width: 58px; height: 58px; transition: transform .4s var(--spring); }
.crowd canvas:hover { transform: translateY(-6px) rotate(-4deg); }
.chip-demo { padding: 18px 0 6px; }
.chip { display: inline-flex; align-items: center; gap: 7px; height: 34px; padding: 0 14px 0 11px; border-radius: 17px; background: rgba(255,255,255,.14); font-weight: 600; font-size: 15px; animation: breathe 2.4s ease-in-out infinite; }
.chip svg { width: 17px; height: 17px; fill: currentColor; }
@keyframes breathe { 50% { background: rgba(255,255,255,.24); } }

/* ── roles ── */
.roles { text-align: center; }
.tabs { display: inline-flex; flex-wrap: wrap; justify-content: center; gap: 6px; margin-top: 44px; padding: 6px; border-radius: 999px; background: var(--surface); }
.tabs button { height: 42px; padding: 0 20px; border: 0; border-radius: 999px; background: transparent; color: var(--muted); font: 500 15px var(--sans); cursor: pointer; transition: background-color .25s, color .25s; }
.tabs button[aria-selected="true"] { background: var(--ink); color: var(--bg); }
.role-card { max-width: 860px; margin: 30px auto 0; padding: clamp(24px, 4vw, 44px); border-radius: 28px; background: var(--paper); box-shadow: 0 0 0 1px var(--line); text-align: left; display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; }
.role-card h3 { font: 600 clamp(24px, 3vw, 32px)/1.2 var(--serif); letter-spacing: -0.01em; }
.role-card .rl { margin-top: 12px; color: var(--muted); }
.role-card ul { list-style: none; margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px; }
.role-card li { padding: 6px 12px; border-radius: 999px; background: var(--surface); font-size: 14px; }
.chatbox { display: flex; flex-direction: column; gap: 10px; }
.chatbox .q { align-self: flex-end; max-width: 88%; padding: 11px 14px; border-radius: 18px 18px 5px 18px; background: var(--ink); color: var(--bg); }
.chatbox .a { max-width: 92%; padding: 11px 14px; border-radius: 18px 18px 18px 5px; background: var(--surface); }
.role-card.swap > * { animation: swap .45s var(--ease) backwards; }
.role-card.swap > *:nth-child(2) { animation-delay: .08s; }
@keyframes swap { from { opacity: 0; transform: translateY(10px); filter: blur(6px); } }

/* ── privacy ── */
.privacy { text-align: center; }
.flow { display: grid; grid-template-columns: 1fr 40px 1fr 40px 1fr; align-items: center; gap: 10px; margin-top: 56px; text-align: left; }
.node { padding: 24px; border-radius: 22px; background: var(--surface); height: 100%; }
.node.accent { background: var(--ink); color: var(--bg); }
.node small { font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.node p { margin: 10px 0 8px; font: 500 18px/1.45 var(--serif); }
.node span { font-size: 14px; color: var(--muted); }
.node.accent span { color: #a8a397; }
.node .tag { font-size: 13px; }
.arrow { height: 2px; background: repeating-linear-gradient(90deg, var(--soft) 0 6px, transparent 6px 12px); background-size: 12px 2px; animation: flow 1s linear infinite; }
@keyframes flow { to { background-position: 12px 0; } }
.pc { margin-top: 50px; }
.pc img { width: 100%; border-radius: 26px; box-shadow: 0 0 0 1px var(--line); background: #fff; }
.pc figcaption { margin-top: 14px; color: var(--muted); font-size: 15px; }
.honest { max-width: 760px; margin: 40px auto 0; font-size: 15px; color: var(--muted); }

/* ── download ── */
.download { text-align: center; overflow: hidden; }
.dl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; max-width: 900px; margin: 50px auto 0; }
.dl-card { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 30px 20px; border-radius: 24px; background: var(--ink); color: var(--bg); transition: transform .3s var(--spring); }
.dl-card:hover { transform: translateY(-5px); }
.dl-card svg { width: 40px; height: 40px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 8px; }
.dl-card b { font-size: 20px; }
.dl-card small { opacity: .65; font-size: 14px; }
.dl-card.soon { background: var(--surface); color: var(--muted); }
.dl-card.soon:hover { transform: none; }

/* ── faq ── */
/* ── pricing ── */
.pricing { text-align: center; }
.plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 56px; text-align: left; }
.plan { position: relative; display: flex; flex-direction: column; gap: 6px; padding: 28px 24px 24px; border-radius: 26px; background: var(--surface); transition: transform .35s var(--spring); }
.plan:hover { transform: translateY(-4px); }
.plan h3 { font-size: 21px; margin-top: 14px; }
.plan-price { font-size: 34px; font-weight: 650; letter-spacing: -0.035em; }
.plan-price small { font-size: 15px; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.plan-for { color: var(--muted); font-size: 15px; min-height: 46px; }
.plan ul { list-style: none; display: grid; gap: 10px; margin: 14px 0 22px; font-size: 15px; flex: 1; }
.plan li { display: flex; gap: 10px; align-items: flex-start; }
.plan li svg { width: 18px; height: 18px; flex: none; margin-top: 3px; fill: none; stroke: var(--accent); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.plan .btn { align-self: flex-start; }
.plan .btn[aria-disabled] { color: var(--muted); cursor: default; }
.plan .btn[aria-disabled]:hover { transform: none; }
.plan-tag { align-self: flex-start; font-size: 12px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; padding: 5px 10px; border-radius: 999px; background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--accent); }
.plan-tag.soon { background: color-mix(in srgb, var(--ink) 7%, transparent); color: var(--muted); }
.plan.free { background: var(--ink); color: var(--bg); }
.plan.free .plan-for, .plan.free .plan-price small { color: color-mix(in srgb, var(--bg) 62%, transparent); }
.plan.free .btn { background: var(--bg); color: var(--ink); }
.plan.free .plan-tag { background: color-mix(in srgb, var(--accent) 30%, transparent); color: var(--bg); }
.plan.pop { box-shadow: inset 0 0 0 2px var(--accent); }
.own { display: flex; align-items: center; gap: 24px; margin-top: 14px; padding: 26px 28px; border-radius: 26px; background: var(--paper); box-shadow: inset 0 0 0 1px var(--line); text-align: left; }
.own h3 { font-size: 19px; }
.own p { color: var(--muted); font-size: 15px; margin-top: 4px; max-width: 760px; }
.own-price { margin-left: auto; font-size: 30px; font-weight: 650; letter-spacing: -0.03em; }
.models { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 40px; text-align: left; }
.model { padding: 4px 0 0 18px; box-shadow: inset 2px 0 0 var(--accent); }
.model b { font-size: 17px; }
.model p { color: var(--muted); font-size: 15px; margin-top: 4px; }
.limits { max-width: 760px; margin: 40px auto 0; color: var(--muted); font-size: 15px; }
.limits b { color: var(--ink); }

/* ── developers band ── */
.devband { display: flex; align-items: center; gap: 32px; max-width: 1080px; margin: 0 auto; padding: clamp(32px, 5vw, 52px); border-radius: 32px; background: #0f0f10; color: #f4f2ec; }
.devband .eyebrow { color: #e09a35; }
.devband h3 { font-size: clamp(26px, 3.4vw, 38px); letter-spacing: -0.03em; margin-top: 10px; }
.devband p:not(.eyebrow) { color: #a8a397; margin-top: 10px; max-width: 620px; }
.devband .btn { flex: none; margin-left: auto; background: #f4f2ec; color: #0b0b0c; }
section.devband { padding: clamp(32px, 5vw, 52px); }

.faq { max-width: 860px; }
.qa { margin-top: 40px; }
.qa details { box-shadow: inset 0 -1px 0 var(--line); }
.qa summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 20px; padding: 22px 2px; font-size: 19px; font-weight: 600; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: '+'; font-weight: 400; font-size: 26px; line-height: 1; color: var(--muted); transition: transform .3s var(--spring); }
.qa details[open] summary::after { transform: rotate(45deg); }
.qa details p { padding: 0 2px 24px; color: var(--muted); max-width: 720px; animation: swap .4s var(--ease); }

/* ── footer ── */
.foot { max-width: 1240px; margin: 0 auto; padding: 40px var(--pad) 60px; box-shadow: inset 0 1px 0 var(--line); color: var(--muted); font-size: 14px; display: flex; flex-direction: column; gap: 10px; }
.foot .brand { color: var(--ink); }
.foot .small { font-size: 13px; color: var(--soft); }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.foot-links a { color: var(--muted); transition: color .2s; }
.foot-links a:hover { color: var(--ink); }

/* ── motion: words and reveals ── */
.words .w { display: inline-block; white-space: pre; opacity: 0; transform: translateY(.35em); filter: blur(10px); transition: opacity .8s var(--ease), transform .8s var(--ease), filter .8s var(--ease); transition-delay: calc(var(--i) * 75ms); }
.words.in .w { opacity: 1; transform: none; filter: blur(0); }
.reveal { opacity: 0; transform: translateY(26px); filter: blur(8px); transition: opacity .9s var(--ease), transform .9s var(--ease), filter .9s var(--ease); transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; filter: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .words .w, .reveal { opacity: 1; transform: none; filter: none; transition: none; }
  .arrow, .chip, .demo.scanning .scan { animation: none; }
}

/* ── small screens ── */
@media (max-width: 1000px) {
  .plans { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .plans, .models { grid-template-columns: 1fr; }
  .own, .devband { flex-direction: column; align-items: flex-start; }
  .own-price, .devband .btn { margin-left: 0; }
  section.devband { margin: 0 16px; }
}
@media (max-width: 900px) {
  .links { display: none; }
  .nav .btn { margin-left: auto; }
  .how { grid-template-columns: 1fr; }
  .how-stage { position: relative; top: 0; height: auto; order: -1; margin-top: 30px; }
  .step { min-height: 0; opacity: 1; background: var(--surface); }
  .win { font-size: 13px; }
  .win-body { grid-template-columns: 1fr; }
  .bento, .dl { grid-template-columns: 1fr; }
  .tile.big { grid-column: auto; }
  .role-card { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  .arrow { width: 2px; height: 28px; margin: 0 auto; background: repeating-linear-gradient(180deg, var(--soft) 0 6px, transparent 6px 12px); background-size: 2px 12px; }
  @keyframes flow { to { background-position: 0 12px; } }
}