:root {
  --bg: #f7f7fb;
  --panel: #ffffff;
  --text: #171a26;
  --muted: #5b6275;
  --border: #e3e5ee;
  --accent: #5b5bd6;
  --accent-text: #ffffff;
  --code-bg: #eef0f7;
  --coffee: #ffdd00;
  --coffee-text: #1a1a1a;
  --checker: rgba(128, 128, 140, 0.09);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1117;
    --panel: #171a23;
    --text: #e8eaf1;
    --muted: #9aa2b6;
    --border: #2a2f3c;
    --accent: #8b8bf5;
    --accent-text: #0f1117;
    --code-bg: #20242f;
    --checker: rgba(160, 160, 180, 0.07);
  }
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font:
    16px/1.6 system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    sans-serif;
  overflow-x: hidden;
}
a {
  color: var(--accent);
}
code,
pre {
  font-family: ui-monospace, "SF Mono", "Cascadia Code", Consolas, monospace;
  font-size: 0.9em;
}
:not(pre) > code {
  background: var(--code-bg);
  padding: 1px 5px;
  border-radius: 4px;
}
pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  overflow-x: auto;
}
h1,
h2,
h3 {
  line-height: 1.2;
}
.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}
.skip {
  position: absolute;
  left: -999px;
}
.skip:focus {
  left: 16px;
  top: 8px;
  z-index: 10;
  background: var(--panel);
  padding: 8px 12px;
}

/* Buttons */
.btn,
button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: inherit;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
}
.btn:hover,
button:hover {
  border-color: var(--accent);
}
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
}
.btn.coffee {
  background: var(--coffee);
  border-color: #e0c200;
  color: var(--coffee-text);
}
.btn.small {
  padding: 6px 12px;
  font-size: 14px;
}
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

/* Nav */
nav.top {
  position: sticky;
  top: 0;
  z-index: 5;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
nav.top .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 56px;
  flex-wrap: wrap;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 18px;
  color: var(--text);
  text-decoration: none;
}
.links {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.links a:not(.btn) {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}
.links a:not(.btn):hover {
  color: var(--text);
}
@media (max-width: 640px) {
  .links a:not(.btn) {
    display: none;
  }
}

/* Hero */
.hero {
  padding: 56px 0 40px;
  text-align: center;
}
.eyebrow {
  color: var(--muted);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.03em;
  margin: 0 0 8px;
}
.hero h1 {
  font-size: clamp(36px, 7vw, 64px);
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}
.lede {
  max-width: 720px;
  margin: 0 auto 24px;
  font-size: clamp(17px, 2.2vw, 20px);
  color: var(--muted);
}
.lede strong {
  color: var(--text);
}
.cmd {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 560px;
  margin: 0 auto 12px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 6px 6px 6px 14px;
  text-align: left;
}
.cmd code {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
  background: none;
  padding: 0;
}
.cmd .copy {
  padding: 6px 12px;
  font-size: 13px;
}
.cta {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 20px 0 32px;
}
.coffee-hero {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 18px 34px;
  border-radius: 16px;
  background: var(--coffee);
  color: var(--coffee-text);
  text-decoration: none;
  text-align: left;
  border: 2px solid #1a1a1a;
  box-shadow: 0 6px 0 #1a1a1a;
  transition:
    transform 0.1s,
    box-shadow 0.1s;
}
.coffee-hero:hover {
  transform: translateY(2px);
  box-shadow: 0 4px 0 #1a1a1a;
}
.coffee-hero .cup {
  font-size: 44px;
  line-height: 1;
}
.coffee-hero strong {
  display: block;
  font-size: clamp(22px, 4vw, 30px);
  line-height: 1.1;
}
.coffee-hero small {
  display: block;
  font-size: 15px;
  opacity: 0.8;
}

/* Features */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
  margin-bottom: 48px;
}
.features > div {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
}
.features h2 {
  font-size: 18px;
  margin: 0 0 6px;
}
.features p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

/* Sections */
main > section {
  margin-bottom: 64px;
}
.section-title {
  font-size: clamp(26px, 4vw, 34px);
  margin: 0 0 8px;
}
.section-lede {
  color: var(--muted);
  max-width: 760px;
  margin: 0 0 24px;
}

/* Gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 440px), 1fr));
  gap: 20px;
}
.demo {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  min-width: 0;
}
.demo > header {
  padding: 14px 16px 8px;
}
.demo h3 {
  margin: 0;
  font-size: 18px;
}
.meta {
  color: var(--muted);
  font-size: 13px;
}
.panes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 0 12px;
}
figure {
  margin: 0;
  min-width: 0;
}
figcaption {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  padding: 4px 2px;
}
.stage {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  border-radius: 10px;
  border: 1px solid var(--border);
  overflow: hidden;
  background-color: #ffffff;
  background-image:
    linear-gradient(
      45deg,
      var(--checker) 25%,
      transparent 25%,
      transparent 75%,
      var(--checker) 75%
    ),
    linear-gradient(45deg, var(--checker) 25%, transparent 25%, transparent 75%, var(--checker) 75%);
  background-size: 16px 16px;
  background-position:
    0 0,
    8px 8px;
}
.frame {
  position: relative;
  overflow: hidden;
}
.frame iframe {
  border: 0;
  position: absolute;
  left: 0;
  top: 0;
  transform-origin: 0 0;
  background: transparent;
  pointer-events: none;
}
.lottie-frame > svg {
  display: block;
}
.controls {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
}
.controls button {
  padding: 6px 12px;
  font-size: 14px;
  min-width: 70px;
  justify-content: center;
}
.controls input[type="range"] {
  flex: 1;
  min-width: 0;
  accent-color: var(--accent);
}
.frame-no {
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--muted);
  min-width: 64px;
  text-align: right;
}
.demo > footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  padding: 0 12px 12px;
  font-size: 14px;
}
.report {
  margin: 0 12px 12px;
  font-size: 13px;
  color: var(--muted);
}
.report summary {
  cursor: pointer;
}
.report ul {
  padding-left: 18px;
  margin: 6px 0 0;
}
.sev {
  font-size: 11px;
  text-transform: uppercase;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 4px;
  background: #fde68a;
  color: #713f12;
}
.sev.unsupported {
  background: #fecaca;
  color: #7f1d1d;
}
.sev.approximated {
  background: #bfdbfe;
  color: #1e3a8a;
}

/* Viewer */
.viewer {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
}
.drop {
  display: grid;
  place-items: center;
  min-height: 120px;
  border: 2px dashed var(--border);
  border-radius: 12px;
  cursor: pointer;
  text-align: center;
  padding: 16px;
  color: var(--muted);
}
.drop.over,
.drop:hover {
  border-color: var(--accent);
  color: var(--text);
}
.drop input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}
.drop:focus-within {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}
.viewer-out {
  margin-top: 16px;
}
.viewer-stage {
  max-width: 480px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background-color: #ffffff;
  background-image:
    linear-gradient(
      45deg,
      var(--checker) 25%,
      transparent 25%,
      transparent 75%,
      var(--checker) 75%
    ),
    linear-gradient(45deg, var(--checker) 25%, transparent 25%, transparent 75%, var(--checker) 75%);
  background-size: 16px 16px;
  background-position:
    0 0,
    8px 8px;
}
.viewer .controls {
  max-width: 480px;
  margin: 0 auto;
}
.viewer .meta {
  text-align: center;
  margin: 0;
}
.error {
  color: #dc2626;
  margin: 12px 0 0;
}

/* Install */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.steps > div {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  min-width: 0;
}
.steps h3 {
  margin: 0 0 10px;
}
.steps .cmd {
  margin: 0 0 8px;
  max-width: none;
}
.hint {
  color: var(--muted);
  font-size: 14px;
  margin: 4px 0 0;
}

/* Sponsor */
.sponsor {
  text-align: center;
  background: var(--panel);
  border: 2px solid var(--coffee);
  border-radius: 20px;
  padding: 40px 16px;
}
.sponsor h2 {
  font-size: clamp(28px, 5vw, 40px);
  margin: 0 0 12px;
}
.sponsor > p {
  max-width: 640px;
  margin: 0 auto 28px;
  color: var(--muted);
  font-size: 18px;
}
.coffee-big {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 22px 48px;
  font-size: clamp(24px, 5vw, 36px);
  font-weight: 800;
  border-radius: 18px;
  background: var(--coffee);
  color: var(--coffee-text);
  text-decoration: none;
  border: 2px solid #1a1a1a;
  box-shadow: 0 7px 0 #1a1a1a;
  transition:
    transform 0.1s,
    box-shadow 0.1s;
}
.coffee-big:hover {
  transform: translateY(3px);
  box-shadow: 0 4px 0 #1a1a1a;
}
.sponsor .sponsor-url {
  margin: 20px 0 0;
  font-size: 16px;
  font-weight: 600;
}

/* FAQ */
.faq details {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 18px;
  margin-bottom: 10px;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
}
.faq details p {
  margin: 10px 0 0;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 14px;
}
.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}