:root {
  --ink-strong: #13202b;
  --ink-soft: #314456;
  --paper: #f6f1e8;
  --paper-strong: #fff8ee;
  --line: rgba(19, 32, 43, 0.12);
  --accent: #db5f2c;
  --accent-soft: #ffb27a;
  --teal: #0f7b7b;
  --shadow: 0 24px 60px rgba(19, 32, 43, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--ink-strong);
  background:
    radial-gradient(circle at top left, rgba(219, 95, 44, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(15, 123, 123, 0.14), transparent 24%),
    linear-gradient(180deg, #f3ecdf 0%, #f8f5ef 55%, #f2eee5 100%);
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 64px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  padding: 14px 18px;
  background: rgba(255, 248, 238, 0.72);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.brand,
.topbar-links a {
  text-decoration: none;
  color: var(--ink-strong);
  font-weight: 600;
}

.brand {
  font-family: "Space Grotesk", "Aptos Display", sans-serif;
}

.topbar-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.topbar-links a:first-child {
  color: var(--accent);
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: stretch;
  margin-bottom: 28px;
}

.hero-copy,
.hero-panel,
.content-card,
.pack-card,
.timeline-item,
.cta-section,
.subpage-hero {
  background: rgba(255, 248, 238, 0.88);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 40px;
}

.subpage-hero {
  padding: 36px;
  margin-bottom: 24px;
}

.subpage-hero.split-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 24px;
  align-items: stretch;
}

.subpage-hero-copy {
  display: grid;
  align-content: start;
  gap: 14px;
}

.hero-summary-card {
  border-radius: 24px;
  padding: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(246, 241, 232, 0.82));
  border: 1px solid rgba(19, 32, 43, 0.08);
}

.hero-summary-card h2 {
  font-size: 1.45rem;
  margin-bottom: 12px;
}

.hero-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.hero-stat {
  border-radius: 18px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(19, 32, 43, 0.08);
}

.hero-stat strong {
  display: block;
  font-size: 1.3rem;
  margin-top: 6px;
}

.section-stack {
  display: grid;
  gap: 24px;
}

.offset-card {
  transform: translateY(18px);
}

.eyebrow,
.section-label,
.metric-label,
.timeline-item span {
  font-family: "Space Grotesk", "Arial Narrow", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  color: var(--teal);
  margin: 0 0 16px;
}

h1,
h2,
h3 {
  font-family: "Space Grotesk", "Aptos Display", sans-serif;
  margin: 0;
}

h1 {
  font-size: clamp(2.7rem, 5vw, 5rem);
  line-height: 0.95;
  max-width: 11ch;
}

.hero-text {
  margin: 20px 0 0;
  max-width: 58ch;
  color: var(--ink-soft);
  font-size: 1.05rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-actions a {
  text-decoration: none;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 600;
}

.primary-action {
  background: var(--accent);
  color: white;
}

.secondary-action {
  border: 1px solid rgba(19, 32, 43, 0.16);
  color: var(--ink-strong);
  background: rgba(255, 255, 255, 0.55);
}

.hero-panel {
  display: grid;
  gap: 16px;
  padding: 20px;
}

.metric-card {
  border-radius: 22px;
  padding: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(246, 241, 232, 0.82));
  border: 1px solid rgba(19, 32, 43, 0.08);
}

.metric-card.accent {
  background: linear-gradient(180deg, rgba(255, 178, 122, 0.26), rgba(255, 248, 238, 0.86));
}

.metric-card strong {
  display: block;
  font-size: 1.8rem;
  margin-bottom: 10px;
}

.grid-section {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-bottom: 24px;
}

.detail-grid {
  align-items: stretch;
}

.content-card,
.cta-section {
  padding: 30px;
}

.emphasis-card {
  background: linear-gradient(180deg, rgba(15, 123, 123, 0.08), rgba(255, 248, 238, 0.9));
}

.feature-list {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--ink-soft);
  line-height: 1.8;
}

.link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.link-list a,
.doc-actions a {
  text-decoration: none;
  border-radius: 999px;
  padding: 10px 16px;
  font-weight: 600;
  border: 1px solid rgba(19, 32, 43, 0.16);
  color: var(--ink-strong);
  background: rgba(255, 255, 255, 0.55);
}

.docs-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.doc-link-card {
  display: grid;
  gap: 14px;
}

.doc-meta {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.7;
}

.doc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.source-note {
  margin-top: 18px;
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(19, 32, 43, 0.08);
  color: var(--ink-soft);
  line-height: 1.7;
}

.code-block {
  margin: 16px 0 0;
  padding: 18px;
  overflow-x: auto;
  border-radius: 20px;
  border: 1px solid rgba(19, 32, 43, 0.12);
  background: rgba(19, 32, 43, 0.94);
  color: #f5efe3;
  font-family: "IBM Plex Mono", "Consolas", monospace;
  line-height: 1.6;
  white-space: pre-wrap;
}

.stacked-section {
  margin-bottom: 24px;
}

.section-heading {
  margin-bottom: 16px;
}

.section-heading h2,
.cta-section h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
}

.pack-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.pack-card,
.timeline-item {
  padding: 24px;
}

.pack-card p,
.timeline-item p,
.content-card p,
.cta-section p {
  color: var(--ink-soft);
  line-height: 1.7;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.vertical-timeline {
  grid-template-columns: 1fr;
}

.timeline-item.complete {
  border-top: 6px solid var(--teal);
}

.timeline-item.active {
  border-top: 6px solid var(--accent);
}

@media (max-width: 900px) {
  .topbar {
    border-radius: 28px;
    align-items: flex-start;
  }

  .topbar,
  .topbar-links,
  .hero,
  .grid-section,
  .docs-grid,
  .pack-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-direction: column;
  }

  .hero-copy {
    padding: 32px 24px;
  }

  .subpage-hero.split-hero,
  .hero-stat-grid {
    grid-template-columns: 1fr;
  }

  .offset-card {
    transform: none;
  }

  h1 {
    max-width: 13ch;
  }
}