/* Airgap showcase — vanilla CSS, no framework. Aims for typographic
   restraint and an editorial feel; the visual punch lives in the
   recorded GIFs, not in chrome. */

* {
  box-sizing: border-box;
}

:root {
  --bg: #0b0d12;
  --surface: #11141b;
  --surface-elevated: #181c25;
  --border: #232733;
  --text: #f0f3f8;
  --text-muted: #98a1b3;
  --accent: var(--brand-primary, #22d3ee);
  --accent-soft: rgba(34, 211, 238, 0.12);
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f8fa;
    --surface: #ffffff;
    --surface-elevated: #ffffff;
    --border: #e5e7eb;
    --text: #0f172a;
    --text-muted: #64748b;
  }
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Helvetica Neue',
    Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
}

code {
  font-family: 'SF Mono', 'Menlo', 'Consolas', monospace;
  font-size: 0.85em;
  background: var(--surface-elevated);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.masthead {
  padding: 48px 0 16px;
}

.brand {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}

.lede {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 0 16px;
}

.links {
  display: flex;
  gap: 16px;
  font-size: 14px;
}

.link {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
}

.link:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.picker {
  margin: 32px 0 24px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.picker-label {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 600;
}

.picker select {
  width: 100%;
  padding: 12px 16px;
  font-size: 16px;
  font-family: inherit;
  background: var(--surface-elevated);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.picker select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.picker-hint {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--text-muted);
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: start;
}

@media (min-width: 880px) {
  .grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
  .phone-card {
    grid-row: span 3;
  }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.card-title {
  margin: 0 0 16px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 600;
}

.card-hint {
  margin: 16px 0 0;
  font-size: 12px;
  color: var(--text-muted);
}

.brand-meta {
  display: grid;
  grid-template-columns: minmax(120px, 30%) 1fr;
  row-gap: 12px;
  column-gap: 16px;
  margin: 0;
}

.brand-meta dt {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  align-self: center;
}

.brand-meta dd {
  margin: 0;
  font-size: 16px;
  font-weight: 500;
}

.swatch-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.swatch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
}

.swatch-color {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.swatch-hex {
  font-family: 'SF Mono', 'Menlo', monospace;
  font-size: 11px;
  letter-spacing: 0.02em;
}

.config-card pre {
  margin: 0;
  padding: 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow-x: auto;
  max-height: 320px;
}

.config-card code {
  background: transparent;
  border: none;
  padding: 0;
  white-space: pre;
  font-size: 12px;
  line-height: 1.55;
}

.phone-card {
  align-items: center;
  display: flex;
  flex-direction: column;
}

.phone {
  width: 100%;
  display: flex;
  justify-content: center;
}

.phone-bezel {
  position: relative;
  width: 280px;
  aspect-ratio: 9 / 19;
  background: #050608;
  border-radius: 36px;
  padding: 12px;
  border: 1px solid #2a2e3a;
  box-shadow:
    inset 0 0 0 2px #0a0c12,
    0 18px 60px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}

.phone-notch {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 96px;
  height: 22px;
  background: #050608;
  border-radius: 11px;
  z-index: 2;
}

.phone-bezel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 24px;
  display: block;
}

.footer-strip {
  margin: 48px 0;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  font-size: 14px;
  color: var(--text-muted);
}

.footer-strip code {
  word-break: break-all;
}

@media (max-width: 600px) {
  .masthead {
    padding-top: 32px;
  }
  .grid {
    gap: 16px;
  }
  .card {
    padding: 20px;
  }
  .phone-bezel {
    width: 240px;
  }
}