:root {
  --bg: #f6efe2;
  --bg-strong: #efe1c6;
  --surface: rgba(255, 252, 246, 0.84);
  --surface-strong: #fffaf1;
  --text: #201710;
  --muted: #6f5947;
  --line: rgba(85, 52, 24, 0.16);
  --accent: #9d4d12;
  --accent-strong: #6f2d00;
  --shadow: 0 24px 70px rgba(74, 43, 15, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background:
    radial-gradient(circle at top, rgba(255, 214, 153, 0.38), transparent 32rem),
    linear-gradient(180deg, var(--bg-strong) 0%, var(--bg) 22%, #fffdf9 100%);
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

.site-shell {
  max-width: 76rem;
  margin: 0 auto;
  padding: 1.25rem 1.1rem 4rem;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0 2rem;
}

.brand {
  font-family: ui-monospace, "SFMono-Regular", monospace;
  font-size: 0.84rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.95rem;
}

.nav a {
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(18rem, 0.8fr);
  gap: 1.5rem;
  align-items: stretch;
}

.hero-main,
.panel,
.docs-shell,
.doc-panel {
  border: 1px solid var(--line);
  border-radius: 1.6rem;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.hero-main {
  padding: 2.5rem;
}

.eyebrow {
  font-family: ui-monospace, "SFMono-Regular", monospace;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  font-size: clamp(3.5rem, 12vw, 7.2rem);
  line-height: 0.9;
  margin: 0.55rem 0 1rem;
  letter-spacing: -0.05em;
}

.hero p,
.panel p,
.doc-content p,
.doc-content li,
.doc-content blockquote {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text);
}

.lede {
  max-width: 35rem;
  color: var(--muted);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  text-decoration: none;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-weight: 600;
  color: var(--text);
  background: rgba(255, 255, 255, 0.7);
}

.button.primary {
  color: #fff9f2;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  border-color: transparent;
}

.panel {
  padding: 1.4rem;
}

.panel code,
.doc-content code {
  font-family: ui-monospace, "SFMono-Regular", monospace;
  font-size: 0.92em;
  background: rgba(121, 73, 24, 0.08);
  padding: 0.12rem 0.32rem;
  border-radius: 0.35rem;
}

.panel pre,
.doc-content pre {
  overflow: auto;
  padding: 1rem;
  border-radius: 1rem;
  background: #20140f;
  color: #fff4e8;
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.panel pre code,
.doc-content pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.section-title {
  margin-top: 2.4rem;
  margin-bottom: 0.8rem;
  font-size: 1.7rem;
}

.docs-shell {
  display: grid;
  grid-template-columns: minmax(14rem, 18rem) minmax(0, 1fr);
  gap: 0;
  overflow: hidden;
}

.docs-nav-shell {
  min-width: 0;
  border-right: 1px solid var(--line);
  background: rgba(248, 240, 223, 0.7);
}

.docs-nav-shell > .docs-nav {
  display: block;
}

.docs-nav-shell[open] > .docs-nav-toggle {
  border-bottom: 0;
}

.docs-nav-toggle {
  display: none;
  align-items: center;
  gap: 0.8rem;
  list-style: none;
  cursor: pointer;
  padding: 1rem 1.2rem;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-weight: 700;
  color: var(--accent-strong);
}

.docs-nav-toggle::-webkit-details-marker {
  display: none;
}

.docs-nav-toggle-icon,
.docs-nav-toggle-icon::before,
.docs-nav-toggle-icon::after {
  display: block;
  width: 1rem;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  content: "";
}

.docs-nav-toggle-icon {
  position: relative;
}

.docs-nav-toggle-icon::before {
  position: absolute;
  top: -0.32rem;
  left: 0;
}

.docs-nav-toggle-icon::after {
  position: absolute;
  top: 0.32rem;
  left: 0;
}

.docs-nav {
  padding: 1.25rem;
}

.docs-nav h2 {
  margin: 0 0 1rem;
  font-size: 0.92rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: ui-monospace, "SFMono-Regular", monospace;
  color: var(--accent);
}

.docs-nav a {
  display: block;
  padding: 0.45rem 0.2rem;
  text-decoration: none;
  color: var(--text);
}

.docs-group + h2 {
  margin-top: 1.5rem;
}

.doc-link {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.98rem;
}

.toc-list {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.toc-link {
  position: relative;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.93rem;
  color: var(--muted);
}

.toc-depth-2 {
  margin-left: 0.9rem;
}

.toc-depth-3 {
  margin-left: 1.8rem;
}

.toc-depth-4 {
  margin-left: 2.7rem;
}

.toc-depth-2::before,
.toc-depth-3::before,
.toc-depth-4::before {
  content: "";
  position: absolute;
  left: -0.55rem;
  top: 0.85rem;
  width: 0.3rem;
  border-top: 1px solid rgba(111, 89, 71, 0.4);
}

.docs-nav a.active {
  color: var(--accent-strong);
  font-weight: 700;
}

.doc-panel {
  padding: 2rem 2.2rem 2.5rem;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  background: transparent;
}

.doc-meta {
  margin-bottom: 1rem;
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, sans-serif;
}

.doc-meta a {
  color: var(--muted);
}

.doc-content h1,
.doc-content h2,
.doc-content h3 {
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.doc-content h1 {
  margin-top: 0.2rem;
  font-size: clamp(2.6rem, 6vw, 4.4rem);
}

.doc-content h2 {
  margin-top: 2.2rem;
  font-size: 1.9rem;
}

.doc-content h3 {
  margin-top: 1.7rem;
  font-size: 1.35rem;
}

.doc-content ul,
.doc-content ol {
  padding-left: 1.35rem;
}

.doc-content ul ul,
.doc-content ol ol,
.doc-content ul ol,
.doc-content ol ul {
  margin-top: 0.35rem;
  padding-left: 1.15rem;
}

.inline-toc {
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 0.9rem 1rem;
  background: rgba(255, 255, 255, 0.45);
}

.mobile-only {
  display: none;
}

.doc-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.2rem 0 1.5rem;
  overflow: hidden;
  border-radius: 0.9rem;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: inset 0 0 0 1px var(--line);
}

.doc-content th,
.doc-content td {
  padding: 0.75rem 0.85rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.doc-content th {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent-strong);
  background: rgba(239, 225, 198, 0.7);
}

.doc-content tr:last-child td {
  border-bottom: 0;
}

.doc-content blockquote {
  margin: 1rem 0;
  padding-left: 1rem;
  border-left: 3px solid rgba(121, 73, 24, 0.28);
  color: var(--muted);
}

.footer {
  margin-top: 2rem;
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.95rem;
}

@media (max-width: 900px) {
  .hero,
  .docs-shell,
  .section-grid {
    grid-template-columns: 1fr;
  }

  .docs-nav-shell {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    background: rgba(248, 240, 223, 0.7);
  }

  .docs-nav-toggle {
    display: flex;
  }

  .docs-nav-shell:not([open]) .docs-nav {
    display: none;
  }

  .hero-main,
  .panel,
  .doc-panel {
    padding: 1.4rem;
  }

  .site-shell {
    padding-inline: 0.85rem;
  }

  .mobile-only {
    display: block;
  }
}