:root {
  color-scheme: light;
  --site-bg: #f7f7f9;
  --site-surface: #ffffff;
  --site-text: #1c1c20;
  --site-muted: #6b6b76;
  --site-border: #e6e6ea;
  --site-radius: 12px;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family:
    'Inter',
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    'Helvetica Neue',
    sans-serif;
  font-size: 16px;
  line-height: 1.5;
  background: var(--site-bg);
  color: var(--site-text);
}

.site {
  max-width: 980px;
  margin: 0 auto;
  padding: 48px 24px 80px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.page-header {
  padding-bottom: 20px;
  border-bottom: 1px solid var(--site-border);
}

.page-header h1 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.page-header p {
  margin: 8px 0 0;
  color: var(--site-muted);
  max-width: 640px;
}

.page-header .ds-brand {
  margin: 0 0 4px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--site-muted);
}

.ignite-blocks {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}

.card-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(min(15rem, 100%), 1fr));
}

.card-grid-fixed {
  grid-template-columns: repeat(var(--columns, 3), minmax(0, 1fr));
}

@media (max-width: 639px) {
  .card-grid-fixed {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 640px) and (max-width: 1023px) {
  .card-grid-fixed {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.ds {
  max-width: 1080px;
  gap: 20px;
}

.ds-section {
  scroll-margin-top: 24px;
  padding: 20px 0;
  border-top: 1px solid var(--site-border);
}

.ds-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.ds-demo {
  min-height: 56px;
  padding: 16px;
  background: var(--site-surface);
  border: 1px solid var(--site-border);
  border-radius: var(--site-radius);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.ds-empty {
  color: var(--site-muted);
  font-size: 0.9rem;
}

.loading {
  color: var(--site-muted);
  font-size: 0.95rem;
}