:root {
  --bg: #0d0e11;
  --surface: #16181d;
  --surface-2: #1d2027;
  --border: #2a2e37;
  --text: #eceef2;
  --muted: #9aa1ad;
  --accent: #8ea8ff;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 640px) { .wrap { padding: 0 24px; } }

/* Header / footer */
header.site {
  position: sticky; top: 0; z-index: 10;
  background: rgba(13, 14, 17, .85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-mark { width: 28px; height: 28px; display: block; flex: none; transition: transform .3s; }
.logo:hover .logo-mark { transform: rotate(-8deg) scale(1.06); }
.logo-text { font-size: 19px; font-weight: 800; letter-spacing: -.03em; }
.logo-text span {
  background: linear-gradient(90deg, #ff4d8d, #8b5cf6 55%, #22d3ee);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
nav.top { display: flex; gap: 20px; }
nav.top a { color: var(--muted); text-decoration: none; font-size: 15px; white-space: nowrap; }
nav.top a:hover { color: var(--text); }
@media (max-width: 520px) {
  nav.top { gap: 14px; }
  nav.top a { font-size: 14px; }
  nav.top a:first-child, nav.top a:last-child { display: none; }
}
footer.site { border-top: 1px solid var(--border); margin-top: 72px; padding: 24px 0; color: var(--muted); font-size: 14px; }
footer.site p { margin: 4px 0; }
footer.site .fine { font-size: 13px; opacity: .8; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid var(--border); background: var(--surface-2); color: var(--text);
  padding: 10px 18px; border-radius: 10px;
  font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
  transition: background .15s, border-color .15s;
}
.btn:hover { background: #242833; border-color: #3a3f4b; }
.btn.primary { background: var(--text); color: #0d0e11; border-color: var(--text); }
.btn.primary:hover { background: #fff; }
.btn.big { padding: 13px 22px; font-size: 17px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Home hero */
.hero { padding: 56px 0 16px; text-align: center; }
.hero h1 { font-size: clamp(34px, 6vw, 56px); line-height: 1.08; margin: 0 0 14px; letter-spacing: -.025em; }
.hero p { color: var(--muted); max-width: 620px; margin: 0 auto 26px; font-size: 18px; }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 28px; }
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px 6px 8px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border);
  font-size: 14px; text-decoration: none; color: var(--muted);
}
.pill:hover { color: var(--text); border-color: #3a3f4b; }
.pill span { width: 14px; height: 14px; border-radius: 50%; box-shadow: inset 0 0 0 1px rgba(255,255,255,.2); }

/* Swatch grid */
.group { margin: 40px 0; }
.group h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .09em; color: var(--muted); margin: 0 0 14px; font-weight: 600; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(128px, 1fr)); gap: 20px 16px; }
@media (max-width: 420px) { .grid { grid-template-columns: repeat(2, 1fr); } }
.swatch { display: block; text-align: center; text-decoration: none; }
.chip {
  display: block; aspect-ratio: 3 / 2; border-radius: 10px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
  transition: transform .15s, box-shadow .15s;
}
.swatch:hover .chip { transform: translateY(-3px); box-shadow: inset 0 0 0 1px rgba(255,255,255,.25), 0 10px 24px rgba(0,0,0,.55); }
.swatch[aria-current] .chip { box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--text); }
.chip.custom { background: conic-gradient(from 90deg, #f33, #fd3, #3e5, #3ce, #36f, #c3f, #f33); }
.swatch .label { display: block; margin-top: 8px; font-size: 14px; color: var(--muted); }
.swatch:hover .label, .swatch[aria-current] .label { color: var(--text); }

/* Fake work screen cards */
.work-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 18px; }
.work-card {
  display: block; text-align: center; text-decoration: none;
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 30px 22px 26px;
  transition: transform .15s, border-color .15s, background .15s;
}
.work-card:hover { transform: translateY(-3px); border-color: #3a3f4b; background: #1a1d23; }
.work-icon { display: block; width: 64px; height: 64px; margin: 0 auto 18px; }
.work-icon svg { width: 100%; height: 100%; display: block; }
.work-card h3 { margin: 0 0 12px; font-size: 18px; }
.work-card p { margin: 0; color: var(--muted); font-size: 14.5px; line-height: 1.55; }

/* Color page */
.crumbs { padding-top: 22px; font-size: 14px; color: var(--muted); }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--text); }
.crumbs span { margin: 0 6px; opacity: .6; }
.color-hero { display: grid; grid-template-columns: 1.5fr 1fr; gap: 36px; align-items: center; padding: 20px 0 8px; }
@media (max-width: 820px) { .color-hero { grid-template-columns: 1fr; gap: 24px; } }
.preview {
  aspect-ratio: 16 / 10; border-radius: 18px; cursor: pointer;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.12), 0 20px 50px rgba(0,0,0,.45);
  display: flex; align-items: flex-end; justify-content: center; padding: 18px;
}
.preview-hint { font-size: 14px; font-weight: 600; opacity: 0; transition: opacity .2s; }
.preview:hover .preview-hint, .preview:focus-visible .preview-hint { opacity: .7; }
@media (hover: none) { .preview-hint { opacity: .6; } }
.info h1 { font-size: clamp(32px, 5vw, 46px); line-height: 1.1; margin: 0 0 10px; letter-spacing: -.02em; }
.lede { color: var(--muted); margin: 0 0 22px; font-size: 17px; }
.codes { display: flex; gap: 10px; flex-wrap: wrap; margin: 22px 0 14px; }
.code {
  display: flex; align-items: center; gap: 10px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: 8px 12px; font: 14px ui-monospace, Consolas, monospace;
}
.code small { color: var(--muted); font: 600 11px system-ui, sans-serif; letter-spacing: .06em; }
.copy { background: none; border: 0; padding: 0; color: var(--accent); cursor: pointer; font: 600 13px system-ui, sans-serif; }
.copy:hover { text-decoration: underline; }
.tip { color: var(--muted); font-size: 14px; margin: 0; }
kbd {
  display: inline-block; min-width: 22px; padding: 1px 6px; text-align: center;
  font: 12px ui-monospace, Consolas, monospace; color: var(--text);
  background: var(--surface-2); border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 5px;
}

/* Dead pixel test */
.pixel-strip { display: flex; align-items: stretch; padding: 0; overflow: hidden; }
.pixel-strip span { flex: 1; }
.auto-row { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin: 22px 0 14px; font-size: 14px; color: var(--muted); }
.auto-row span { margin-right: 6px; }
.auto-row button {
  background: var(--surface); border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 6px 12px; font: 600 14px system-ui, sans-serif; cursor: pointer;
}
.auto-row button:hover { border-color: #3a3f4b; }
.auto-row button[aria-pressed="true"] { background: var(--text); color: #0d0e11; border-color: var(--text); }

/* Video call light */
.sliders { display: grid; gap: 14px; margin: 4px 0 6px; }
.sliders label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); }
.sliders label span { display: flex; justify-content: space-between; }
.sliders b { color: var(--text); font-variant-numeric: tabular-nums; }
.sliders input { width: 100%; accent-color: #f5b041; }
.warm-range { accent-color: #f59e0b; }

/* Custom color page */
.picker-row { display: flex; gap: 10px; margin-bottom: 18px; }
#picker {
  width: 56px; height: 46px; padding: 0; border: 1px solid var(--border); border-radius: 10px;
  background: var(--surface); cursor: pointer;
}
#picker::-webkit-color-swatch-wrapper { padding: 4px; }
#picker::-webkit-color-swatch { border: 0; border-radius: 6px; }
#picker::-moz-color-swatch { border: 0; border-radius: 6px; }
#hexIn {
  flex: 1; min-width: 0; max-width: 180px; height: 46px; padding: 0 14px;
  background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: 10px;
  font: 16px ui-monospace, Consolas, monospace; text-transform: uppercase;
}
#hexIn.bad { border-color: #e5484d; }

/* Text content */
.prose { max-width: 720px; }
.prose h1 { font-size: 36px; margin: 40px 0 12px; }
.prose h2 { font-size: 22px; margin: 44px 0 10px; letter-spacing: -.01em; }
.prose p, .prose li { color: #c3c8d1; }
.prose li { margin: 6px 0; }
.prose strong { color: var(--text); }

/* Full-screen stage */
#stage {
  position: fixed; inset: 0; z-index: 1000;
  display: flex; align-items: flex-end; justify-content: center;
  padding-bottom: max(28px, env(safe-area-inset-bottom));
}
#stage[hidden] { display: none; }
html.staged, html.staged body { overflow: hidden; }
.stage-bar {
  display: flex; align-items: center; gap: 10px;
  background: rgba(0,0,0,.6); color: #fff; backdrop-filter: blur(8px);
  padding: 8px 10px 8px 8px; border-radius: 999px; font-size: 14px;
  box-shadow: 0 0 0 1px rgba(255,255,255,.15);
  transition: opacity .4s;
}
.stage-bar button {
  background: rgba(255,255,255,.14); color: #fff; border: 0; border-radius: 999px;
  min-width: 34px; height: 34px; padding: 0 14px; font: 600 14px system-ui, sans-serif; cursor: pointer;
}
.stage-bar button[data-prev], .stage-bar button[data-next] { padding: 0; font-size: 20px; line-height: 1; }
.stage-bar button:hover { background: rgba(255,255,255,.26); }
.stage-name { min-width: 90px; text-align: center; font-weight: 600; }
.stage-tip { opacity: .6; }
@media (hover: none) { .stage-tip { display: none; } }
#stage.idle { cursor: none; }
#stage.idle .stage-bar { opacity: 0; pointer-events: none; }