:root {
  --chai-ink: #17110f;
  --chai-ink-soft: #3d2d28;
  --chai-cream: #fff7ef;
  --chai-paper: #fffdf9;
  --chai-latte: #f6e6d5;
  --chai-orange: #ef7d32;
  --chai-orange-deep: #c85b19;
  --chai-orange-soft: rgba(239, 125, 50, 0.16);
  --chai-line: rgba(23, 17, 15, 0.12);
  --chai-shadow: 0 24px 80px rgba(32, 18, 8, 0.14);
  --radius-xl: 32px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --max-width: 1180px;
  --mono: "Fira Code", "Cascadia Code", "Consolas", monospace;
  --sans: "Segoe UI", "Trebuchet MS", sans-serif;
  --serif: "Georgia", "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--chai-ink);
  font-family: var(--sans);
  background:
    radial-gradient(
      circle at top left,
      rgba(239, 125, 50, 0.18),
      transparent 24%
    ),
    radial-gradient(
      circle at top right,
      rgba(23, 17, 15, 0.12),
      transparent 22%
    ),
    linear-gradient(180deg, #fff8f1 0%, #fff3e4 52%, #f9e7d4 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
}

code,
pre,
kbd {
  font-family: var(--mono);
}

.site-shell {
  width: min(var(--max-width), calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(255, 247, 239, 0.82);
  border-bottom: 1px solid rgba(23, 17, 15, 0.08);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 74px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-mark-badge {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(
    145deg,
    var(--chai-orange),
    var(--chai-orange-deep)
  );
  color: white;
  box-shadow: 0 16px 28px rgba(239, 125, 50, 0.28);
}

.topbar-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.nav-chip,
.button,
.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 700;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background-color 160ms ease;
}

.nav-chip {
  color: var(--chai-ink-soft);
  background: rgba(255, 255, 255, 0.48);
  border: 1px solid rgba(23, 17, 15, 0.08);
}

.nav-chip.is-active,
.button {
  background: linear-gradient(
    135deg,
    var(--chai-orange),
    var(--chai-orange-deep)
  );
  color: white;
  box-shadow: 0 14px 30px rgba(239, 125, 50, 0.22);
}

.ghost-button {
  background: rgba(23, 17, 15, 0.04);
  color: var(--chai-ink);
  border: 1px solid rgba(23, 17, 15, 0.08);
}

.nav-chip:hover,
.button:hover,
.ghost-button:hover {
  transform: translateY(-2px);
}

.hero {
  padding: 72px 0 34px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 26px;
  align-items: stretch;
}

.hero-copy,
.hero-side,
.panel,
.card,
.feature-card,
.doc-card,
.playground-panel {
  min-width: 0;
  background: rgba(255, 253, 249, 0.92);
  border: 1px solid rgba(23, 17, 15, 0.08);
  box-shadow: var(--chai-shadow);
  border-radius: var(--radius-xl);
}

.hero-copy {
  padding: 36px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-radius: 999px;
  padding: 9px 14px;
  margin-bottom: 20px;
  font-size: 0.92rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--chai-orange-deep);
  background: var(--chai-orange-soft);
}

.hero-title,
.section-title {
  margin: 0;
  font-family: var(--serif);
  line-height: 0.98;
  letter-spacing: -0.03em;
}

.hero-title {
  font-size: clamp(2.8rem, 7vw, 5.7rem);
}

.hero-title span,
.section-title span {
  color: var(--chai-orange-deep);
}

.hero-text,
.section-copy,
.muted,
.doc-list li,
.check-list li {
  color: var(--chai-ink-soft);
  line-height: 1.7;
}

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

.hero-side {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  background:
    linear-gradient(180deg, rgba(23, 17, 15, 0.96), rgba(52, 33, 20, 0.96)),
    linear-gradient(180deg, var(--chai-orange), var(--chai-orange-deep));
  color: #fff4ea;
}

.hero-side pre,
.code-block {
  max-width: 100%;
  margin: 0;
  overflow: auto;
  border-radius: var(--radius-md);
  padding: 18px;
  background: rgba(0, 0, 0, 0.34);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #fff2dd;
  font-size: 0.92rem;
}

.hero-side pre code,
.code-block code {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.section {
  padding: 26px 0 48px;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
}

.grid-3,
.grid-2,
.doc-grid,
.playground-grid {
  display: grid;
  gap: 20px;
}

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

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.doc-grid {
  grid-template-columns: 1.05fr 0.95fr;
}

.feature-card,
.doc-card,
.card,
.panel,
.playground-panel {
  padding: 24px;
}

.feature-card h3,
.doc-card h3,
.card h3 {
  margin: 0 0 12px;
  font-size: 1.15rem;
}

.feature-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  margin-bottom: 16px;
  background: linear-gradient(
    135deg,
    rgba(239, 125, 50, 0.18),
    rgba(200, 91, 25, 0.24)
  );
  color: var(--chai-orange-deep);
  font-size: 1.35rem;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.stat {
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(23, 17, 15, 0.08);
}

.stat strong {
  display: block;
  font-size: 1.55rem;
  font-family: var(--serif);
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 10px 14px;
  background: rgba(239, 125, 50, 0.1);
  color: var(--chai-orange-deep);
  font-weight: 700;
}

.doc-list,
.check-list {
  margin: 0;
  padding-left: 18px;
}

.doc-list li + li,
.check-list li + li {
  margin-top: 10px;
}

.split-code {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.mini-label {
  margin: 0 0 10px;
  color: var(--chai-orange-deep);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
}

.playground-wrap {
  padding: 54px 0 64px;
}

.playground-grid {
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  align-items: start;
}

.playground-panel.is-editor {
  position: sticky;
  top: 98px;
}

.playground-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  margin-bottom: 18px;
}

.toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.playground-textarea {
  width: 100%;
  min-height: 560px;
  resize: vertical;
  border: 1px solid rgba(23, 17, 15, 0.12);
  border-radius: 24px;
  padding: 20px;
  background: #2a1913;
  color: #fff0de;
  font-family: var(--mono);
  font-size: 0.94rem;
  line-height: 1.7;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.playground-textarea:focus,
.playground-input:focus {
  outline: 2px solid rgba(239, 125, 50, 0.35);
  border-color: rgba(239, 125, 50, 0.32);
}

.playground-input {
  width: 100%;
  border: 1px solid rgba(23, 17, 15, 0.12);
  border-radius: 16px;
  padding: 14px 16px;
  background: white;
  color: var(--chai-ink);
  font: inherit;
}

.playground-preview-frame {
  width: 100%;
  min-height: 680px;
  border: 1px solid rgba(23, 17, 15, 0.1);
  border-radius: 28px;
  background: white;
}

.footer {
  padding: 26px 0 48px;
  color: rgba(23, 17, 15, 0.68);
}

.footer-card {
  padding: 22px 24px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(23, 17, 15, 0.08);
}

@media (max-width: 1080px) {
  .hero-grid,
  .doc-grid,
  .playground-grid,
  .grid-3,
  .grid-2,
  .split-code {
    grid-template-columns: 1fr;
  }

  .playground-panel.is-editor {
    position: static;
  }
}

@media (max-width: 720px) {
  .site-shell {
    width: min(100% - 20px, var(--max-width));
  }

  .hero {
    padding-top: 36px;
  }

  .hero-copy,
  .hero-side,
  .feature-card,
  .doc-card,
  .card,
  .panel,
  .playground-panel {
    padding: 20px;
    border-radius: 24px;
  }

  .topbar-inner,
  .playground-toolbar,
  .section-head {
    align-items: start;
    flex-direction: column;
  }

  .stat-row {
    grid-template-columns: 1fr;
  }

  .playground-textarea {
    min-height: 420px;
  }

  .playground-preview-frame {
    min-height: 480px;
  }
}