:root {
  --bg: #f5f1e8;
  --paper: rgba(255, 251, 243, 0.74);
  --ink: #16130f;
  --muted: #695e53;
  --line: rgba(22, 19, 15, 0.12);
  --accent: #ca5d28;
  --accent-2: #153a52;
  --shadow: 0 24px 80px rgba(21, 22, 26, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(202, 93, 40, 0.16), transparent 28%),
    radial-gradient(circle at top right, rgba(21, 58, 82, 0.15), transparent 24%),
    linear-gradient(180deg, #fbf8f2 0%, var(--bg) 100%);
  font-family: "Source Sans 3", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(22, 19, 15, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 19, 15, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), transparent 88%);
}

.site-shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--paper);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.brand,
.nav a,
.button,
.doc-card {
  text-decoration: none;
}

.brand {
  color: var(--ink);
  font-family: "Fraunces", serif;
  font-size: 1.3rem;
}

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

.nav a {
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.9rem;
}

.hero {
  padding: 88px 0 52px;
}

.eyebrow,
.label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.hero h1,
.feature-band h2,
.code-panel h2 {
  margin: 10px 0 18px;
  font-family: "Fraunces", serif;
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.hero h1 {
  max-width: 11ch;
  font-size: clamp(3.4rem, 8vw, 7rem);
}

.lede {
  max-width: 760px;
  font-size: 1.18rem;
  line-height: 1.65;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  padding: 14px 20px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.88rem;
}

.button.primary {
  color: #fff8f1;
  background: linear-gradient(135deg, var(--accent), #9e3d12);
}

.button.secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.56);
}

.grid-section {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 18px;
}

.card,
.code-panel,
.doc-card,
.feature-band {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--paper);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.card {
  padding: 22px;
}

.card-spotlight {
  background:
    linear-gradient(135deg, rgba(202, 93, 40, 0.18), transparent 45%),
    rgba(255, 251, 243, 0.82);
}

pre {
  margin: 12px 0 0;
  overflow: auto;
  white-space: pre-wrap;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.88rem;
  line-height: 1.7;
}

.compact-list {
  margin: 14px 0 0;
  padding-left: 20px;
  line-height: 1.9;
  color: var(--muted);
}

.feature-band {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 28px;
  padding: 28px;
  margin-top: 18px;
}

.feature-band h2,
.code-panel h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.feature-list {
  display: grid;
  gap: 18px;
}

.feature-item h3 {
  margin: 0 0 8px;
  font-family: "Fraunces", serif;
  font-size: 1.4rem;
}

.feature-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.code-panel {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
  padding: 28px;
  margin-top: 18px;
}

.doc-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 18px;
}

.doc-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px;
  color: var(--ink);
}

.doc-card strong {
  font-size: 1.2rem;
}

.doc-card span:last-child {
  color: var(--muted);
  line-height: 1.7;
}

@media (max-width: 900px) {
  .grid-section,
  .feature-band,
  .code-panel,
  .doc-links {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 52px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }
}