/* M3 Expressive app-twin: solid tonal surfaces from MCU vars set by
   app.js; rotating seed re-tints everything via transitions. */
* { box-sizing: border-box; }
@property --grad-a { syntax: "<color>"; inherits: true; initial-value: #e0e6ee; }
@property --grad-b { syntax: "<color>"; inherits: true; initial-value: #a8cbe7; }
@property --grad-c { syntax: "<color>"; inherits: true; initial-value: #dcddff; }
@property --prog { syntax: "<angle>"; inherits: false; initial-value: 360deg; }
/* Only the grad vars animate at :root (gradients cannot interpolate).
   Everything else transitions its own property once - a root transition
   plus an element transition would double-smooth and desync. */
:root { transition: --grad-a var(--recolor, 1.6s) ease, --grad-b var(--recolor, 1.6s) ease, --grad-c var(--recolor, 1.6s) ease; }
:root {
  --bg: #0b0f11; --text: #e0e6ee; --body2: #a5acb3; --subtle: #a5acb3bf;
  --accent: #a8cbe7; --on-accent: #20445b; --accent-glow: #a8cbe752;
  --tonal: #2d3d4a; --on-tonal: #b0c1d1;
  --card: #151a1e; --card-high: #1b2025; --card-highest: #20272c;
  --outline-v: #42494f;
  --grad-a: #e0e6ee; --grad-b: #a8cbe7; --grad-c: #dcddff;
  --blob-a: #a8cbe7; --blob-b: #dcddff; --blob-c: #b0c1d1;
}
/* First-paint fallbacks only; JS re-derives real values immediately. */
html.light {
  --bg: #f7f9ff; --text: #181c20; --body2: #42474e; --subtle: #42474ebf;
  --accent: #31628d; --on-accent: #ffffff; --accent-glow: #31628d3d;
  --tonal: #d4e4f6; --on-tonal: #0d3c61;
  --card: #ebeef4; --card-high: #e5e8ee; --card-highest: #dfe2e8;
  --outline-v: #c2c7cf;
  --grad-a: #181c20; --grad-b: #31628d; --grad-c: #64597b;
  --blob-a: #31628d; --blob-b: #64597b; --blob-c: #d4e4f6;
}
body {
  margin: 0; min-height: 100vh;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color var(--recolor, 1.6s) ease, color var(--recolor, 1.6s) ease;
}
main { position: relative; z-index: 1; }

/* Ambient gradient mesh: seed-tinted blobs drifting behind everything. */
.blobs { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.blobs i {
  position: absolute; display: block; border-radius: 50%;
  width: 46vw; height: 46vw; min-width: 420px; min-height: 420px;
  filter: blur(110px); opacity: .17;
  transition: background-color var(--recolor, 1.6s) ease;
}
.blobs i:nth-child(1) { background: var(--blob-a); top: -14%; left: -10%; animation: blob1 26s ease-in-out infinite alternate; }
.blobs i:nth-child(2) { background: var(--blob-b); top: 24%; right: -14%; animation: blob2 32s ease-in-out infinite alternate; }
.blobs i:nth-child(3) { background: var(--blob-c); bottom: -18%; left: 18%; animation: blob3 38s ease-in-out infinite alternate; }
@keyframes blob1 { to { transform: translate(7vw, 9vh) scale(1.15); } }
@keyframes blob2 { to { transform: translate(-8vw, -6vh) scale(.92); } }
@keyframes blob3 { to { transform: translate(6vw, -8vh) scale(1.2); } }
html.light .blobs i { opacity: .3; }

/* Film grain above content, below the mode toggle. */
body::after {
  content: ""; position: fixed; inset: 0; z-index: 80; pointer-events: none;
  opacity: .028;
  background: 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='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E") repeat;
  background-size: 160px 160px;
}

/* Light/dark toggle */
.modebtn {
  position: fixed; top: 16px; right: 16px; z-index: 90;
  width: 46px; height: 46px; border-radius: 999px; border: none; cursor: pointer;
  background: var(--card-high); color: var(--text);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 18px rgba(0,0,0,.25);
  transition: background-color var(--recolor, 1.6s) ease, color var(--recolor, 1.6s) ease, transform .15s ease;
}
.modebtn:hover { transform: scale(1.08); }
.modebtn:active { transform: scale(.92); }
.modebtn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.modebtn svg { width: 22px; height: 22px; fill: currentColor; display: block; }
.modebtn .ic-moon { display: none; }
html.light .modebtn .ic-sun { display: none; }
html.light .modebtn .ic-moon { display: block; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 28px; }

/* Hero: copy left, live phone twin right. */
header.hero {
  display: grid; grid-template-columns: 1.05fr .95fr; align-items: center;
  gap: 44px; padding: 88px 0 72px; text-align: left;
}
.logo {
  width: 96px; height: 96px; margin-bottom: 26px;
  filter: drop-shadow(0 12px 36px var(--accent-glow));
  transition: filter var(--recolor, 1.6s) ease;
}
h1.title {
  margin: 0 0 14px; font-size: clamp(38px, 6vw, 56px); font-weight: 800; letter-spacing: -.03em;
  background: linear-gradient(100deg, var(--grad-a) 20%, var(--grad-b) 55%, var(--grad-c) 85%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.tagline {
  margin: 0 0 38px; max-width: 560px; color: var(--body2);
  font-size: clamp(16px, 2.4vw, 18px); line-height: 1.65;
  transition: color var(--recolor, 1.6s) ease;
}
.cta { display: flex; gap: 14px; flex-wrap: wrap; }
a.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 16px 30px; border-radius: 999px; text-decoration: none;
  font-size: 15px; font-weight: 600; line-height: 1;
  transition: filter .15s ease, transform .12s ease, border-radius .25s cubic-bezier(.2,.7,.2,1),
              background-color var(--recolor, 1.6s) ease, color var(--recolor, 1.6s) ease;
}
a.btn svg { flex-shrink: 0; display: block; }
a.btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
a.btn:active { transform: scale(.97); border-radius: 18px; }
.primary { background: var(--accent); color: var(--on-accent); }
.tonalbtn { background: var(--tonal); color: var(--on-tonal); }

/* Phone mockup: fake app UI drawn from the same vars as the page. */
.hero-phone { display: flex; justify-content: center; perspective: 1500px; }
.phone-float { animation: ph-float 7s ease-in-out infinite alternate; }
@keyframes ph-float { to { transform: translateY(-12px); } }
.phone {
  user-select: none; -webkit-user-select: none;
  width: 262px; aspect-ratio: 9 / 19; border-radius: 42px;
  border: 1px solid var(--outline-v);
  background: var(--card);
  box-shadow: 0 34px 90px rgba(0,0,0,.5), 0 0 130px var(--accent-glow);
  padding: 12px 14px 14px;
  display: flex; flex-direction: column; gap: 10px;
  position: relative; overflow: hidden;
  transform: rotateY(-13deg) rotateX(5deg);
  transition: transform .7s cubic-bezier(.2,.7,.2,1), background-color var(--recolor, 1.6s) ease,
              border-color var(--recolor, 1.6s) ease, box-shadow var(--recolor, 1.6s) ease;
}
.hero-phone:hover .phone { transform: none; }
html.light .phone { box-shadow: 0 34px 90px rgba(0,0,0,.2), 0 0 130px var(--accent-glow); }
.phone i, .phone span, .phone .ph-card, .phone .ph-nav {
  transition: background-color var(--recolor, 1.6s) ease, color var(--recolor, 1.6s) ease;
}
.ph-cam { position: absolute; top: 11px; left: 50%; transform: translateX(-50%); width: 10px; height: 10px; border-radius: 50%; background: rgba(0,0,0,.55); z-index: 2; }
html.light .ph-cam { background: rgba(0,0,0,.75); }
.ph-status { display: flex; justify-content: space-between; align-items: center; color: var(--body2); font-size: 10px; font-weight: 600; padding: 0 6px; }
.ph-icons { display: flex; gap: 3px; }
.ph-icons i { width: 6px; height: 6px; border-radius: 2px; background: var(--body2); display: block; }
.ph-head { font-size: 17px; font-weight: 800; padding: 4px 6px 0; }
.ph-card { background: var(--card-high); border-radius: 18px; padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.ph-label { font-size: 10.5px; font-weight: 600; color: var(--body2); }
.ph-row { display: flex; gap: 6px; }
.ph-row i { flex: 1; aspect-ratio: 1; border-radius: 50%; display: block; background: var(--card-highest); }
.ph-track { position: relative; height: 14px; border-radius: 999px; background: var(--card-highest); margin: 2px 2px 4px; }
.ph-track::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0;
  width: var(--ph-sat, 50%); border-radius: 999px; background: var(--accent);
  transition: width .2s ease, background-color var(--recolor, 1.6s) ease;
}
.ph-track::after {
  content: ""; position: absolute; top: 50%; left: var(--ph-sat, 50%);
  transform: translate(-50%, -50%); width: 4px; height: 22px; border-radius: 999px;
  background: var(--text); box-shadow: 0 0 0 3px var(--card-high);
  transition: left .2s ease, background-color var(--recolor, 1.6s) ease, box-shadow var(--recolor, 1.6s) ease;
}
.ph-switchrow { flex-direction: row; align-items: center; justify-content: space-between; }
.ph-switch { width: 40px; height: 24px; border-radius: 999px; background: var(--accent); position: relative; display: block; flex-shrink: 0; }
.ph-switch i { position: absolute; top: 3px; right: 3px; width: 18px; height: 18px; border-radius: 50%; background: var(--on-accent); display: block; }
.ph-fab {
  position: absolute; right: 20px; bottom: 78px; width: 46px; height: 46px; border-radius: 16px;
  background: var(--accent); box-shadow: 0 8px 24px rgba(0,0,0,.35);
  transition: background-color var(--recolor, 1.6s) ease;
}
.ph-fab::before, .ph-fab::after { content: ""; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); background: var(--on-accent); border-radius: 2px; transition: background-color var(--recolor, 1.6s) ease; }
.ph-fab::before { width: 16px; height: 2.5px; }
.ph-fab::after { width: 2.5px; height: 16px; }
.ph-nav { margin-top: auto; display: flex; justify-content: space-around; align-items: center; background: var(--card-high); border-radius: 999px; padding: 12px; }
.ph-nav span { width: 9px; height: 9px; border-radius: 50%; background: var(--card-highest); display: block; }
.ph-nav span.on { width: 36px; height: 18px; border-radius: 999px; background: var(--tonal); }

@media (max-width: 900px) {
  header.hero { grid-template-columns: 1fr; text-align: center; gap: 24px; padding: 76px 0 60px; }
  .hero .cta { justify-content: center; }
  .tagline { margin-inline: auto; }
  .hero-phone { margin-top: 22px; }
  .phone { transform: rotateY(-8deg) rotateX(3deg); }
}

/* M3 Expressive shapes: JS fills each with a generated polar path;
   anchored to sections, spun slowly, seed-tinted. */
header.hero, .shots, .faq { position: relative; }
.deco {
  position: absolute; z-index: -1; pointer-events: none;
  color: var(--accent); opacity: .1;
  transition: color var(--recolor, 1.6s) ease;
}
.deco svg { width: 100%; height: 100%; display: block; fill: currentColor; animation: deco-spin 70s linear infinite; }
.deco-b svg, .deco-d svg { animation-direction: reverse; animation-duration: 55s; }
@keyframes deco-spin { to { transform: rotate(360deg); } }
.deco-a { width: 150px; height: 150px; left: -84px; top: -8px; }
.deco-b { width: 96px; height: 96px; right: -36px; bottom: 6px; color: var(--grad-c); }
.deco-c { width: 120px; height: 120px; right: -92px; top: -54px; }
.deco-d { width: 130px; height: 130px; left: -140px; bottom: 90px; color: var(--grad-c); }
@media (max-width: 1240px) { .deco-c, .deco-d { display: none; } }
@media (max-width: 900px) { .deco { display: none; } }

.section-title {
  font-size: 13px; font-weight: 700; letter-spacing: .24em; text-transform: uppercase;
  color: var(--subtle); text-align: center; margin: 76px 0 28px;
  transition: color var(--recolor, 1.6s) ease;
}
.lead {
  max-width: 660px; margin: 0 auto 36px; color: var(--body2);
  font-size: 15.5px; line-height: 1.75; text-align: center;
  transition: color var(--recolor, 1.6s) ease;
}

/* Engine playground: the page IS the preview. */
.demo-swatches { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 22px; }
.demo-swatch {
  background: none; padding: 7px; cursor: pointer;
  border: none; border-radius: 22px; position: relative;
  transition: transform .2s cubic-bezier(.34,1.56,.64,1);
}
.demo-swatch svg { display: block; width: 56px; height: 56px; }
.demo-swatch:hover { transform: translateY(-3px); }
.demo-swatch:active { transform: scale(.94); }
.demo-swatch.on { transform: scale(1.07); }
.demo-swatch:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
/* Selection ring doubles as the 7s rotation progress dial. */
.demo-swatch.on::before {
  content: ""; position: absolute; inset: 0; border-radius: 22px; padding: 2.5px;
  background: conic-gradient(var(--accent) var(--prog), transparent 0);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  pointer-events: none;
}
#demoSeeds.rotating .demo-swatch.on::before { animation: ringfill 7s linear infinite; }
#demoSeeds.paused .demo-swatch.on::before { animation-play-state: paused; }
@keyframes ringfill { from { --prog: 0deg; } to { --prog: 360deg; } }
.demo-ctls { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 22px; }
.menuwrap { position: relative; }
.sortbtn {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--card-high); color: var(--text);
  border: none; border-radius: 999px; cursor: pointer;
  padding: 13px 20px; font-size: 14px; font-family: inherit; font-weight: 600;
  transition: background-color var(--recolor, 1.6s) ease, color var(--recolor, 1.6s) ease, box-shadow .15s ease;
}
.sortbtn:focus-visible { box-shadow: 0 0 0 2px var(--accent) inset; outline: none; }
.sortbtn .chev { color: var(--subtle); transition: transform .25s cubic-bezier(.2,.7,.2,1), color var(--recolor, 1.6s) ease; }
.menuwrap.open .sortbtn .chev { transform: rotate(180deg); }
.menu {
  position: absolute; left: 0; top: calc(100% + 8px); z-index: 20;
  min-width: 190px; padding: 8px;
  background: var(--card-high); border-radius: 16px;
  box-shadow: 0 12px 40px rgba(0,0,0,.4);
  transform-origin: top left;
  animation: menupop .22s cubic-bezier(.2,.7,.2,1);
  transition: background-color var(--recolor, 1.6s) ease;
}
html.light .menu { box-shadow: 0 12px 40px rgba(0,0,0,.16); }
@keyframes menupop {
  from { opacity: 0; transform: scale(.92) translateY(-6px); }
  to { opacity: 1; transform: none; }
}
.menuitem {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  width: 100%; text-align: left; cursor: pointer;
  background: none; border: none; border-radius: 10px;
  padding: 12px 14px; font-size: 14px; font-family: inherit; color: var(--text);
  transition: background-color .15s ease, color var(--recolor, 1.6s) ease;
}
.menuitem:hover, .menuitem:focus-visible { background: var(--card-highest); outline: none; }
.menuitem.selected { color: var(--accent); font-weight: 600; }
.menuitem.selected::after {
  content: ""; width: 16px; height: 16px; flex-shrink: 0;
  background: currentColor;
  -webkit-mask: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"%3E%3Cpath d="M9 16.17 5.53 12.7a.996.996 0 1 0-1.41 1.41l4.18 4.18c.39.39 1.02.39 1.41 0L20.29 7.71a.996.996 0 1 0-1.41-1.41L9 16.17z"/%3E%3C/svg%3E') center/contain no-repeat;
  mask: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"%3E%3Cpath d="M9 16.17 5.53 12.7a.996.996 0 1 0-1.41 1.41l4.18 4.18c.39.39 1.02.39 1.41 0L20.29 7.71a.996.996 0 1 0-1.41-1.41L9 16.17z"/%3E%3C/svg%3E') center/contain no-repeat;
}

/* Feature grid */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin-bottom: 28px; }
.info {
  background: var(--card); border-radius: 28px; padding: 28px;
  position: relative; overflow: hidden;
  transition: background-color var(--recolor, 1.6s) ease, transform .25s cubic-bezier(.2,.7,.2,1);
}
.info:hover { transform: translateY(-3px); }
/* Cursor spotlight, accent-tinted. */
.info::after {
  content: ""; position: absolute; inset: 0; opacity: 0; pointer-events: none;
  background: radial-gradient(280px circle at var(--mx, 50%) var(--my, 50%), color-mix(in srgb, var(--accent) 9%, transparent), transparent 70%);
  transition: opacity .3s ease;
}
.info:hover::after { opacity: 1; }
.info h3 { margin: 0 0 10px; font-size: 17px; }
.info p { margin: 0; color: var(--body2); font-size: 14.5px; line-height: 1.65; transition: color var(--recolor, 1.6s) ease; }
.mode-icon { width: 22px; height: 22px; color: var(--accent); margin-bottom: 12px; transition: color var(--recolor, 1.6s) ease; }
.caps { list-style: none; margin: 14px 0 0; padding: 0; }
.caps li {
  position: relative; padding-left: 16px; margin-bottom: 8px;
  color: var(--body2); font-size: 13.5px; line-height: 1.5;
}
.caps li::before {
  content: ""; position: absolute; left: 0; top: .55em;
  width: 5px; height: 5px; border-radius: 50%; background: var(--accent);
  transition: background-color var(--recolor, 1.6s) ease;
}

/* Screenshot band: features.png sliced into per-panel rounded cards.
   Source 7000x3400, panels 1600x3200 at x 128/1843/3558/5273, y 100. */
.shots { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 28px; }
.shot {
  aspect-ratio: 1 / 2; border-radius: 28px;
  background-image: url("https://raw.githubusercontent.com/Mahmud0808/ColorBlendr/master/.github/resources/features.png");
  background-size: 437.5% auto; background-repeat: no-repeat;
  transition: transform .25s ease;
}
.shot:nth-child(1) { background-position: 2.37% 50%; }
.shot:nth-child(2) { background-position: 34.13% 50%; }
.shot:nth-child(3) { background-position: 65.9% 50%; }
.shot:nth-child(4) { background-position: 97.65% 50%; }
@media (max-width: 768px) { .shots { grid-template-columns: repeat(2, 1fr); } }

/* Endless drifting rail (community cross-promo). */
.marquee {
  overflow: hidden; padding: 20px 0 56px; margin-bottom: -32px;
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.marquee-track { display: flex; gap: 16px; width: max-content; animation: drift 60s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes drift {
  from { transform: translateX(0); }
  to { transform: translateX(calc(-50% - 8px)); }
}
a.tcard {
  flex: 0 0 280px; width: 280px; text-decoration: none; color: inherit;
  border-radius: 28px; padding: 18px;
  transition: transform .18s ease, box-shadow .18s ease, border-radius .25s cubic-bezier(.2,.7,.2,1);
  display: flex; align-items: center; gap: 16px;
}
a.tcard:hover { transform: translateY(-4px); box-shadow: 0 14px 36px rgba(0,0,0,.35); border-radius: 22px; }
html.light a.tcard:hover { box-shadow: 0 14px 36px rgba(0,0,0,.16); }
.tinfo { display: flex; flex-direction: column; min-width: 0; gap: 3px; }
.tname { font-size: 16px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tauthor { font-size: 12.5px; opacity: .8; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tstats { display: flex; gap: 12px; font-size: 12.5px; align-items: center; opacity: .85; margin-top: 5px; }
.tstats > span { display: inline-flex; align-items: center; gap: 4px; }
.tswatch { width: 64px; height: 64px; flex-shrink: 0; display: block; transition: transform .25s cubic-bezier(.2,.7,.2,1); }
a.tcard:hover .tswatch { transform: scale(1.06) rotate(-3deg); }
.centerlink { text-align: center; margin: 8px 0 24px; }
.loading { text-align: center; color: var(--subtle); padding: 32px; font-size: 14px; width: 100%; transition: color var(--recolor, 1.6s) ease; }

/* Mode comparison table */
.tablewrap {
  overflow-x: auto; border-radius: 28px; background: var(--card);
  margin-bottom: 28px;
  transition: background-color var(--recolor, 1.6s) ease;
}
.compare { border-collapse: collapse; width: 100%; min-width: 700px; font-size: 13.5px; }
.compare th, .compare td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--outline-v); vertical-align: top; transition: border-color var(--recolor, 1.6s) ease, color var(--recolor, 1.6s) ease, background-color var(--recolor, 1.6s) ease; }
.compare tr:last-child th, .compare tr:last-child td { border-bottom: none; }
.compare thead th { font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--subtle); }
.compare tbody th { font-weight: 600; color: var(--text); white-space: nowrap; }
.compare td { color: var(--body2); }
.compare th:nth-child(2), .compare td:nth-child(2) { background: var(--card-high); color: var(--text); font-weight: 600; }
.tablewrap::-webkit-scrollbar-thumb { border-color: var(--card); }

/* Requirements strip */
.req {
  background: var(--card); border-radius: 28px; padding: 24px 28px;
  display: flex; gap: 12px 32px; flex-wrap: wrap; justify-content: center;
  margin-bottom: 28px; transition: background-color var(--recolor, 1.6s) ease;
}
.req span { display: inline-flex; align-items: center; gap: 8px; color: var(--body2); font-size: 14px; transition: color var(--recolor, 1.6s) ease; }
.req svg { color: var(--accent); flex-shrink: 0; transition: color var(--recolor, 1.6s) ease; }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto 24px; }
.faq details {
  background: var(--card); border-radius: 24px;
  margin-bottom: 12px; overflow: hidden;
  transition: background-color var(--recolor, 1.6s) ease;
}
.faq details[open] { background: var(--card-high); }
.faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  cursor: pointer; list-style: none; padding: 18px 22px;
  font-size: 15px; font-weight: 600;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .chevd { flex-shrink: 0; color: var(--subtle); transition: transform .3s cubic-bezier(.2,.7,.2,1); }
.faq details[open] summary .chevd { transform: rotate(180deg); }
.faq .answer { padding: 0 22px 20px; color: var(--body2); font-size: 14.5px; line-height: 1.7; overflow: hidden; }
.faq .answer p { margin: 0 0 12px; }
.faq .answer p:last-child { margin-bottom: 0; }
.faq code, .lead code {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace; font-size: .92em;
  background: var(--card-high); border-radius: 6px; padding: 1px 6px;
  transition: background-color var(--recolor, 1.6s) ease;
}

footer {
  display: flex; gap: 12px; justify-content: center; align-items: center; flex-wrap: wrap;
  text-align: center; padding: 48px 0 56px; color: var(--subtle); font-size: 14px;
  transition: color var(--recolor, 1.6s) ease;
}
footer a { color: var(--accent); text-decoration: none; transition: color var(--recolor, 1.6s) ease; }
.sep { width: 4px; height: 4px; border-radius: 50%; background: var(--subtle); display: inline-block; transition: background-color var(--recolor, 1.6s) ease; }

/* ---- Motion layer ---- */
html { scroll-behavior: smooth; }

.hero-copy > *, .hero-phone { opacity: 0; transform: translateY(18px); animation: rise .8s cubic-bezier(.2,.7,.2,1) forwards; }
.hero-copy .logo { animation-delay: .05s; }
.hero-copy h1.title { animation-delay: .15s; }
.hero-copy .tagline { animation-delay: .25s; }
.hero-copy .cta { animation-delay: .35s; }
.hero-phone { animation-delay: .45s; }
@keyframes rise { to { opacity: 1; transform: none; } }

.logo { animation: rise .8s cubic-bezier(.2,.7,.2,1) .05s forwards, breathe 7s ease-in-out 1.2s infinite alternate; }
@keyframes breathe { from { transform: translateY(0); } to { transform: translateY(-7px); } }

h1.title { background-size: 220% 100%; animation: rise .8s cubic-bezier(.2,.7,.2,1) .15s forwards, shimmer 9s ease-in-out infinite alternate; }
@keyframes shimmer { from { background-position: 0% 0; } to { background-position: 100% 0; } }

/* Per-letter entrance; JS restores plain text after so shimmer clips
   the gradient across the whole word again. */
h1.title.stagger, h1.title.settled { opacity: 1; transform: none; animation: shimmer 9s ease-in-out infinite alternate; }
h1.title.stagger .tl {
  display: inline-block; opacity: 0; transform: translateY(26px);
  color: var(--accent); -webkit-text-fill-color: var(--accent);
  animation: rise .6s cubic-bezier(.2,.7,.2,1) forwards;
}

/* Animation, not transition: a transition here would REPLACE the element's
   own list (.info etc.) and kill its recolor. */
.reveal { opacity: 0; transform: translateY(22px); }
.reveal.in { opacity: 1; transform: none; animation: reveal-in .7s cubic-bezier(.2,.7,.2,1); }
@keyframes reveal-in { from { opacity: 0; transform: translateY(22px); } }

/* Scroll-driven parallax (progressive enhancement). `translate` keeps
   out of the way of hover-tilt transforms. */
@supports (animation-timeline: view()) {
  /* All ranges end by cover 40% so the row settles aligned as soon as
     it's fully in view; stagger only shows mid-scroll. */
  .shot { animation: shot-rise linear both; animation-timeline: view(); }
  .shot:nth-child(1) { animation-range: entry 0% cover 25%; }
  .shot:nth-child(2) { animation-range: entry 0% cover 30%; }
  .shot:nth-child(3) { animation-range: entry 0% cover 35%; }
  .shot:nth-child(4) { animation-range: entry 0% cover 40%; }
  header.hero { animation: hero-out linear both; animation-timeline: scroll(); animation-range: 0 70vh; }
}
@keyframes shot-rise { from { translate: 0 56px; } to { translate: 0 0; } }
@keyframes hero-out { to { opacity: .25; scale: .96; } }

a.btn:focus-visible, a.tcard:focus-visible, .faq summary:focus-visible, .seed:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px;
}

#lg stop { transition: stop-color var(--recolor, 1.6s) ease; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01s !important; }
  .hero-copy > *, .hero-phone, .reveal { opacity: 1; transform: none; }
  .phone { transform: none; }
  .marquee-track { animation: none !important; }
}

/* Themed scrollbars */
* { scrollbar-width: thin; scrollbar-color: var(--outline-v) transparent; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--outline-v); border-radius: 999px;
  border: 2px solid var(--bg); background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover { background: var(--subtle); background-clip: padding-box; }

/* Mobile: second trending row, reversed list, opposite direction */
.track2 { display: none; }
@media (max-width: 768px) {
  .track2 { display: flex; margin-top: 16px; animation: drift-reverse 60s linear infinite; }
  .marquee:hover .track2 { animation-play-state: paused; }
}
@keyframes drift-reverse {
  from { transform: translateX(calc(-50% - 8px)); }
  to { transform: translateX(0); }
}

/* Shimmer skeletons while the index loads. */
.sk-row { display: flex; gap: 16px; width: max-content; padding-left: 16px; }
.sk-card {
  position: relative; overflow: hidden;
  flex: 0 0 280px; width: 280px; border-radius: 28px; padding: 18px;
  background: var(--card); display: flex; align-items: center; gap: 16px;
  transition: background-color var(--recolor, 1.6s) ease;
}
.sk-swatch { width: 64px; height: 64px; border-radius: 16px; background: var(--card-highest); flex-shrink: 0; }
.sk-lines { flex: 1; display: flex; flex-direction: column; gap: 9px; }
.sk-line { height: 12px; border-radius: 6px; background: var(--card-highest); }
.sk-line.w75 { width: 75%; }
.sk-line.w45 { width: 45%; }
.sk-line.w60 { width: 60%; }
.sk-card::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, transparent 35%, rgba(255,255,255,.055) 50%, transparent 65%);
  transform: translateX(-100%); animation: sk-sweep 1.6s ease-in-out infinite;
}
html.light .sk-card::after { background: linear-gradient(100deg, transparent 35%, rgba(0,0,0,.045) 50%, transparent 65%); }
.sk-card:nth-child(even)::after { animation-delay: .4s; }
@keyframes sk-sweep { to { transform: translateX(100%); } }
@media (prefers-reduced-motion: reduce) { .sk-card::after { animation: none; } }