@font-face {
  /* Subset of Pretendard Variable (SIL OFL 1.1) renamed to respect the Reserved Font Name; see assets/fonts/README.txt. */
  font-family: "AgentSketch Site Sans";
  src: url("assets/fonts/AgentSketchSiteSans.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --accent: #f76b15;
  --accent-hover: #ff7e2e;
  --accent-text: #c2410c;
  --accent-soft: #fff0e5;
  --ink: #1c2024;
  --muted: #606873;
  --subtle: #7b838d;
  --panel: #ffffff;
  --canvas: #f6f7f9;
  --surface: #f1f3f5;
  --line: #e4e7eb;
  --node-line: #98a8bf;
  --wire: #67768a;
  --agent: #2f6fed;
  --agent-soft: #eef3fe;
  --font: "AgentSketch Site Sans", "Pretendard Variable", Pretendard, "Segoe UI", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
  --mono: ui-monospace, "Cascadia Code", Consolas, monospace;
  --nav-h: 60px;
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --wrap: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  overflow-x: clip;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--canvas);
  font-feature-settings: "ss06";
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}
img, video, svg { display: block; max-width: 100%; }
a { color: var(--accent-text); text-underline-offset: 3px; text-decoration-thickness: 1px; }
::selection { background: #ffd8bd; color: var(--ink); }
:focus-visible { outline: 2px solid var(--accent-text); outline-offset: 3px; border-radius: 4px; }
html { scrollbar-color: #c3c9d1 var(--canvas); }
::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-track { background: var(--canvas); }
::-webkit-scrollbar-thumb { background: #c3c9d1; border-radius: 8px; border: 3px solid var(--canvas); }
::-webkit-scrollbar-thumb:hover { background: #a8b0ba; }

h1, h2, h3 { margin: 0; font-weight: 750; letter-spacing: -0.03em; line-height: 1.15; text-wrap: balance; }
p { margin: 0; }
code { font-family: var(--mono); font-size: .88em; white-space: nowrap; background: var(--surface); padding: .1em .38em; border-radius: 4px; }

.wrap { width: min(var(--wrap), 100% - 48px); margin-inline: auto; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 50; background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 6px; }
.skip:focus { top: 12px; }

/* ---------- Buttons ---------- */
.btn {
  --h: 40px;
  display: inline-flex; align-items: center; gap: 9px;
  min-height: var(--h); padding: 0 16px;
  background: var(--accent); color: var(--ink);
  font-weight: 700; font-size: 15px; text-decoration: none;
  border-radius: 7px; border: 0;
  box-shadow: 0 1px 0 rgba(28, 32, 36, .08), 0 6px 16px -8px rgba(194, 65, 12, .55);
  transition: background-color .15s, transform .12s var(--ease-out), box-shadow .15s;
}
.btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.btn:hover { background: var(--accent-hover); }
.btn:active { transform: scale(.97); }
.btn-sm { --h: 34px; padding: 0 13px; font-size: 14px; box-shadow: none; }
.btn-lg { --h: 54px; padding: 0 22px; font-size: 17px; border-radius: 9px; }
.btn-ghost { background: var(--panel); box-shadow: inset 0 0 0 1px var(--line), 0 1px 2px rgba(28,32,36,.05); }
.btn-ghost:hover { background: var(--surface); }
.btn-ghost svg { fill: var(--accent); stroke: none; width: 18px; height: 18px; }
.link-arrow { font-weight: 650; font-size: 15px; color: var(--ink); text-decoration: none; display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 0 4px; }
.link-arrow::after { content: ""; width: 7px; height: 7px; border-right: 2px solid currentColor; border-top: 2px solid currentColor; transform: rotate(45deg); transition: transform .15s var(--ease-out); }
.link-arrow:hover { color: var(--accent-text); }
.link-arrow:hover::after { transform: translateX(3px) rotate(45deg); }

/* ---------- Nav ---------- */
.nav { position: sticky; top: 0; z-index: 30; height: var(--nav-h); background: rgba(255,255,255,.92); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.nav-in { height: 100%; width: min(1320px, 100% - 40px); margin-inline: auto; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 750; font-size: 19px; letter-spacing: -0.02em; color: var(--ink); text-decoration: none; }
.brand.small { font-size: 15px; gap: 7px; }
.nav-links { display: flex; gap: 4px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 15px; font-weight: 550; padding: 7px 11px; border-radius: 6px; transition: color .12s, background-color .12s; }
.nav-links a:hover { color: var(--ink); background: var(--surface); }
.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 6px; }
.lang, .gh { display: inline-flex; align-items: center; gap: 6px; height: 34px; padding: 0 10px; border-radius: 6px; border: 0; background: none; color: var(--muted); font: 600 14px var(--font); text-decoration: none; cursor: pointer; transition: color .12s, background-color .12s; }
.lang:hover, .gh:hover { background: var(--surface); color: var(--ink); }
.lang svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.gh svg { width: 17px; height: 17px; fill: currentColor; }

/* ---------- Hero ---------- */
.hero {
  display: grid;
  grid-template-columns: minmax(340px, 0.78fr) minmax(0, 1.22fr);
  align-items: center;
  gap: clamp(28px, 4vw, 64px);
  min-height: calc(100svh - var(--nav-h));
  padding: 48px max(20px, (100% - 1320px) / 2) 64px;
  background-image: radial-gradient(circle, #cfd5dc 1.1px, transparent 1.2px);
  background-size: 24px 24px;
  background-position: -2px -2px;
}
.hero h1 { font-size: clamp(42px, 4.6vw, 72px); letter-spacing: -0.04em; line-height: 1.08; }
.lede { margin-top: 22px; max-width: 30em; font-size: clamp(17px, 1.35vw, 19px); color: var(--muted); line-height: 1.65; }
.cta-row { margin-top: 32px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; }
.meta { margin-top: 14px; font-size: 14px; color: var(--muted); font-variant-numeric: tabular-nums; }
.hero-video { margin: 0; }

.tidy { background: var(--panel); border-top: 1px solid var(--line); padding-top: clamp(96px, 11vw, 150px); }
.tidy-head { margin-bottom: 8px; }
.tidy .stage-pin .window { max-width: 1040px; margin-inline: auto; }

.stage { height: 260vh; position: relative; width: min(var(--wrap), 100% - 48px); margin-inline: auto; }
.stage-pin { position: sticky; top: var(--nav-h); height: calc(100svh - var(--nav-h)); min-height: 560px; display: flex; align-items: center; padding: 20px 0; }

.window {
  margin: 0; width: 100%;
  background: var(--panel);
  border-radius: 12px;
  box-shadow: 0 1px 2px rgba(28,32,36,.06), 0 24px 60px -24px rgba(28,32,36,.28), 0 0 0 1px rgba(28,32,36,.06);
  overflow: hidden;
}
.win-bar { height: 44px; display: flex; align-items: center; gap: 10px; padding: 0 14px; border-bottom: 1px solid var(--line); }
.win-title { font-size: 14px; font-weight: 650; }
.win-pill { margin-left: auto; display: inline-flex; align-items: center; gap: 7px; height: 28px; padding: 0 11px; border-radius: 6px; font-size: 13px; font-weight: 650; color: var(--agent); box-shadow: inset 0 0 0 1px var(--agent); opacity: 0; transform: translateY(-4px); transition: opacity .25s var(--ease-out), transform .25s var(--ease-out), background-color .2s, color .2s; }
.win-pill .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.win-pill.on { opacity: 1; transform: none; }
.win-pill.working { background: var(--agent); color: #fff; }
.board {
  position: relative;
  aspect-ratio: var(--ar, 1000 / 640);
  background-color: var(--canvas);
  background-image: radial-gradient(circle, #d3d9e0 1px, transparent 1.1px);
  background-size: calc(var(--s, 1) * 20px) calc(var(--s, 1) * 20px);
  overflow: hidden;
}
.board-in { position: absolute; left: 0; top: 0; transform-origin: 0 0; transform: scale(var(--s, 1)); }
.win-status { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2px 12px; padding: 9px 14px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }
.win-status .example { color: var(--muted); }

.scribbles, .wires { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.scribbles > path { fill: none; stroke: #8c96a3; stroke-width: 2.4; stroke-linecap: round; }
.scribbles > .loop { stroke: #b4bcc6; stroke-width: 2; }
.wires > path { fill: none; stroke: var(--wire); stroke-width: 2; stroke-dasharray: 1; stroke-dashoffset: var(--d, 1); }
.wires > path.done { marker-end: url(#tip); }
.wires > path.hot.done { marker-end: url(#tip-hot); }
.wires > path.hot { stroke: var(--accent-text); stroke-width: 2.4; }
.wires > path.dash { stroke-dasharray: .035 .025; stroke-dashoffset: 0; opacity: var(--o, 0); }

.cap {
  position: absolute; left: 0; top: 0;
  will-change: transform;
  border-radius: 8px;
}
.cap .shot, .cap .node { position: absolute; inset: 0; border-radius: 8px; }
.cap .shot {
  background: var(--panel); overflow: hidden; padding: 14px 16px;
  box-shadow: 0 0 0 1px rgba(28,32,36,.08), 0 calc(var(--lift, 1) * 14px) calc(var(--lift, 1) * 30px) -12px rgba(28,32,36,.32);
  font-size: 15px; color: var(--ink);
}
.cap .node {
  display: flex; align-items: center; justify-content: center; text-align: center;
  background: var(--panel); border: 1.5px solid var(--node-line);
  border-radius: 6px; font-size: 17px; font-weight: 650; color: #344256;
  opacity: 0;
}
.ai-tag {
  position: absolute; left: -6px; top: -26px; height: 20px; padding: 0 7px;
  background: var(--agent); color: #fff; font-size: 12px; font-weight: 700; line-height: 20px; border-radius: 3px 3px 3px 0;
  opacity: 0; transform: translateY(4px);
  transition: opacity .2s var(--ease-out), transform .2s var(--ease-out);
}
.cap::after, .result::after { content: ""; position: absolute; inset: -6px; border: 2.5px solid var(--agent); border-radius: 9px; opacity: 0; transition: opacity .2s var(--ease-out); pointer-events: none; }
.cap.ai .ai-tag, .result.ai .ai-tag { opacity: 1; transform: none; }
.cap.ai::after, .result.ai::after { opacity: 1; }

/* capture contents */
.shot-h { display: flex; align-items: center; gap: 6px; font-weight: 700; font-size: 14px; color: var(--muted); padding-bottom: 8px; border-bottom: 1px solid var(--line); margin-bottom: 10px; }
.hash { color: var(--muted); font-weight: 500; }
.msg { display: flex; gap: 8px; font-size: 14px; margin: 6px 0; }
.who { font-weight: 700; flex: none; }
.img-ph { display: flex; gap: 5px; margin: 6px 0 4px 40px; }
.img-ph i { flex: 1; height: 34px; border-radius: 4px; background: linear-gradient(135deg, #ffe1ca, #fff0e5); }
.img-ph i:nth-child(2) { background: linear-gradient(135deg, #dfe7f3, #eef3fe); }
.img-ph i:nth-child(3) { background: linear-gradient(135deg, #e8ebef, #f6f7f9); }
.issue-top { display: flex; align-items: center; gap: 8px; }
.pill-done { font-size: 12px; font-weight: 700; color: #166b2f; background: #e6f4ea; padding: 2px 8px; border-radius: 999px; }
.num { font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }
.issue-title { margin: 8px 0 10px; font-weight: 700; font-size: 16px; line-height: 1.35; }
.bars { display: grid; gap: 7px; }
.bars i { display: block; height: 7px; border-radius: 4px; background: #e6e9ed; }
.bars i.mark { background: #ffe1ca; }
.sheet { padding: 0 !important; }
.sheet-h { font-size: 13px; font-weight: 700; color: #fff; background: #217346; padding: 7px 12px; }
.sheet table { width: 100%; border-collapse: collapse; font-size: 14px; }
.sheet th, .sheet td { text-align: left; padding: 6px 12px; border-bottom: 1px solid var(--line); }
.sheet th { font-size: 12px; color: var(--muted); font-weight: 650; background: var(--surface); }
.sheet td i { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: 1px; }
.sheet .ok { background: #2da44e; }
.sheet .wait { background: #d4a72c; }
.doc-t { font-weight: 750; font-size: 17px; margin-bottom: 12px; }
.sticky { background: #fff4d6 !important; box-shadow: 0 0 0 1px #f0d48a, 0 calc(var(--lift, 1) * 14px) calc(var(--lift, 1) * 26px) -14px rgba(120, 90, 10, .35) !important; display: flex; align-items: center; }
.sticky p { font-size: 19px; font-weight: 650; color: #7a5a00; line-height: 1.4; }
.cal-h { font-weight: 750; font-size: 15px; margin-bottom: 8px; }
.cal-g { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; font-size: 13px; text-align: center; color: var(--muted); font-variant-numeric: tabular-nums; }
.cal-g i { font-style: normal; padding: 3px 0; border-radius: 5px; }
.cal-g .on { background: var(--ink); color: #fff; font-weight: 700; }
.cal-ev { margin-top: 10px; font-size: 14px; font-weight: 650; }

.result {
  position: absolute; left: 0; top: 0;
  display: flex; align-items: center; justify-content: center;
  border-radius: 6px; font-size: 21px; font-weight: 750; color: var(--ink);
  background: var(--accent);
  opacity: 0; transform: scale(.7);
  box-shadow: inset 0 0 0 1.5px var(--accent-text), 0 6px 14px -8px rgba(194, 65, 12, .55);
}

.prompt {
  position: absolute; left: 0; top: 0;
  background: var(--panel); border-radius: 12px; padding: 10px 16px 12px;
  box-shadow: 0 0 0 1px rgba(47, 111, 237, .35), 0 12px 30px -12px rgba(47, 111, 237, .45);
}
.prompt-who { display: block; font-size: 12px; font-weight: 700; color: var(--agent); margin-bottom: 2px; }
.prompt p { font-size: 17px; font-weight: 600; min-height: 1.5em; }
.caret { display: inline-block; width: 2px; height: 1.05em; background: var(--agent); vertical-align: -0.15em; margin-left: 2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Sections ---------- */
section h2 { font-size: clamp(32px, 3.4vw, 50px); }
.sub { margin-top: 18px; max-width: 42em; font-size: 18px; color: var(--muted); line-height: 1.7; }

.video-frame { position: relative; border-radius: 12px; overflow: hidden; background: #e9edf1; box-shadow: 0 0 0 1px rgba(28,32,36,.08), 0 30px 70px -30px rgba(28,32,36,.35); }
.video-frame video { width: 100%; height: auto; }
.video-frame figcaption { padding: 12px 16px; font-size: 14px; color: var(--muted); background: var(--panel); border-top: 1px solid var(--line); }
.play { position: absolute; left: 50%; top: calc(50% - 22px); width: 76px; height: 76px; margin: -38px 0 0 -38px; border-radius: 50%; border: 0; background: var(--accent); color: var(--ink); cursor: pointer; display: grid; place-items: center; box-shadow: 0 12px 30px -10px rgba(194,65,12,.7); transition: transform .15s var(--ease-out), opacity .2s; }
.play svg { width: 30px; height: 30px; fill: currentColor; margin-left: 4px; }
.play:hover { transform: scale(1.05); }
.play:active { transform: scale(.96); }
.video-frame.playing .play { opacity: 0; pointer-events: none; }

.features { padding: clamp(96px, 11vw, 160px) 0; }
.feat-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(40px, 6vw, 96px); align-items: start; }
.feat-list { list-style: none; margin: 40px 0 0; padding: 0; display: grid; gap: 4px; }
.feat-list li { display: grid; grid-template-columns: 28px 1fr; gap: 16px; padding: 18px 0; border-top: 1px solid var(--line); }
.feat-list li:first-child { border-top: 0; }
.feat-list svg { width: 26px; height: 26px; fill: none; stroke: var(--accent-text); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; margin-top: 2px; }
.feat-list h3 { font-size: 19px; font-weight: 700; letter-spacing: -0.02em; }
.feat-list p { margin-top: 4px; color: var(--muted); font-size: 16px; line-height: 1.6; }

.toy { margin: 0; position: sticky; top: calc(var(--nav-h) + 40px); }
.toy-canvas {
  position: relative; height: 440px; border-radius: 12px; overflow: hidden; touch-action: none;
  background-color: var(--canvas);
  background-image: radial-gradient(circle, #cdd3da 1.1px, transparent 1.2px);
  background-size: 20px 20px;
  box-shadow: inset 0 0 0 1px var(--line);
}
.toy-wire { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.toy-wire > path { fill: none; stroke: var(--accent-text); stroke-width: 2.4; stroke-linejoin: miter; }
.toy-node, .toy-block { position: absolute; width: 150px; height: 64px; border-radius: 6px; display: flex; align-items: center; justify-content: center; gap: 8px; font: 650 16px var(--font); }
.toy-node { background: var(--panel); border: 1.5px solid var(--node-line); color: #344256; }
.toy-node.drag { cursor: grab; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft), 0 4px 10px -6px rgba(28,32,36,.35); transition: box-shadow .15s; }
.toy-node.drag:active, .toy-node.drag.grabbing { cursor: grabbing; box-shadow: 0 0 0 4px #ffd8bd, 0 8px 14px -8px rgba(28,32,36,.4); }
.toy-node.drag svg { width: 18px; height: 18px; fill: none; stroke: var(--accent-text); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.toy-block { width: 120px; height: 150px; background: #eef1f4; border: 1.5px dashed #b8c1cc; color: var(--muted); font-size: 14px; font-weight: 600; }
.toy figcaption { margin-top: 12px; font-size: 14px; color: var(--muted); }

.agent { background: var(--panel); padding: clamp(96px, 11vw, 160px) 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.code-grid { margin-top: 48px; display: grid; grid-template-columns: 1fr 1.15fr; gap: 20px; }
.code { margin: 0; background: #22272d; border-radius: 10px; box-shadow: 0 1px 2px rgba(28,32,36,.08), 0 18px 40px -24px rgba(28,32,36,.45); overflow: hidden; }
.code figcaption { font-size: 13px; font-weight: 650; color: #a3adb8; padding: 10px 16px; border-bottom: 1px solid rgba(255,255,255,.07); }
.code pre { margin: 0; padding: 18px 18px 20px; overflow-x: auto; font: 15px/1.7 var(--mono); color: #e7eaee; }
.code pre code { background: none; padding: 0; font-size: inherit; color: inherit; white-space: pre; }
.code .c { color: #a3adb8; }
.code .k { color: #ffb380; }
.code .s { color: #9ec3ff; }
.guarantees { list-style: none; margin: 56px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.guarantees li { display: grid; gap: 8px; padding-top: 18px; border-top: 1px solid var(--line); }
.guarantees b { font-size: 18px; font-weight: 700; }
.guarantees span { font-size: 15px; color: var(--muted); line-height: 1.65; }

.local { padding: clamp(100px, 12vw, 170px) 0; }
.reqs, .close-actions { position: relative; }
.reqs { background: var(--canvas); }
.big { font-size: clamp(30px, 3.6vw, 54px); line-height: 1.25; letter-spacing: -0.035em; max-width: 22em; font-weight: 700; }
.big em { font-style: normal; color: var(--accent-text); }

.close {
  padding: clamp(88px, 10vw, 140px) 0; border-top: 1px solid var(--line);
  background-color: var(--canvas);
  background-image: radial-gradient(circle, #cfd5dc 1.1px, transparent 1.2px);
  background-size: 24px 24px;
}
.close h2 { font-size: clamp(34px, 4vw, 60px); }
.close-actions { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 12px; }
.reqs { margin: 48px 0 0; display: grid; gap: 0; max-width: 820px; }
.reqs div { display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding: 12px 0; border-top: 1px solid var(--line); font-size: 15px; }
.reqs dt { font-weight: 700; }
.reqs dd { margin: 0; color: var(--muted); }

.foot { padding: 32px 0 40px; background: var(--panel); border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); }
.foot-in { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 28px; }
.foot nav { display: flex; flex-wrap: wrap; gap: 0 8px; margin-inline: -8px; }
.foot nav a { color: var(--muted); text-decoration: none; display: inline-flex; align-items: center; min-height: 44px; padding: 0 8px; }
.foot nav a:hover { color: var(--ink); text-decoration: underline; }
.foot .lic { margin-left: auto; color: var(--muted); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .nav-links { display: none; }
  .gh span { display: none; }
  .hero { grid-template-columns: 1fr; gap: 36px; min-height: 0; padding-top: 48px; }
  .stage-pin { align-items: flex-start; }
  .stage { height: 240vh; }
  .stage-pin { min-height: 0; height: calc(100svh - var(--nav-h)); padding: 12px 0; }
  .feat-grid { grid-template-columns: 1fr; }
  .toy { position: relative; top: 0; }
  .code-grid, .guarantees { grid-template-columns: 1fr; }
  .guarantees { gap: 28px; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .nav-actions { gap: 2px; }
  .lang, .gh { width: 44px; height: 44px; padding: 0; justify-content: center; }
  .btn-sm { --h: 40px; }
  .brand { min-height: 44px; }
  .meta { line-height: 1.7; font-size: 13px; margin-top: 10px; }
  .hero { padding-top: 32px; gap: 28px; }
  .hero h1 { font-size: 38px; }
  .lede { margin-top: 16px; font-size: 16px; }
  .cta-row { margin-top: 24px; gap: 4px 18px; }
  .toy-node { width: 128px; height: 58px; font-size: 15px; }
  .code pre { font-size: 13.5px; padding: 16px; }
  .close-actions .btn { width: 100%; justify-content: center; }
  .wrap { width: calc(100% - 32px); }
  .hero { padding-inline: 16px; }
  .stage { width: calc(100% - 24px); }
  .nav-in { width: calc(100% - 24px); }
  .btn-lg { width: 100%; justify-content: center; }
  .toy-canvas { height: 380px; }
  .reqs div { grid-template-columns: 1fr; gap: 2px; }
  .foot .lic { margin-left: 0; }
  .lang span { display: none; }
}

/* Reduced motion: show the tidy result statically. */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .stage { height: auto; }
  .stage-pin { position: relative; height: auto; min-height: 0; }
  .caret { animation: none; }
  * { transition-duration: 0s !important; }
}
html:not(.js) .tidy { display: none; }

/* Download controls follow the existing page's typography and spacing. */
.platform-picker { display:flex; flex-wrap:wrap; align-items:center; gap:12px; margin:24px 0 12px; font-size:16px; }
.platform-picker select { max-width:100%; font:inherit; color:inherit; background:#f2f2f2; padding:12px; border:2px solid transparent; border-radius:0; }
.platform-picker select:focus-visible { outline:3px solid currentColor; outline-offset:3px; }
.download-info { max-width:760px; font-size:16px; line-height:1.6; margin:24px 0; }