:root {
  --bg: #fbfbf8;
  --panel: #ffffff;
  --fg: #191816;
  --muted: #69655d;
  --rule: #dddad2;
  --accent: #c45a2c;
  --accent-2: #247a76;
  --code-bg: #f0eee8;
  --shadow: 0 16px 48px rgba(26, 24, 20, 0.08);
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

[data-mode="dark"] {
  --bg: #101112;
  --panel: #17191a;
  --fg: #f1efea;
  --muted: #aaa39a;
  --rule: #303435;
  --accent: #ef8f58;
  --accent-2: #6dc8c0;
  --code-bg: #202324;
  --shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
}

code {
  background: var(--code-bg);
  border: 1px solid var(--rule);
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.92em;
  padding: 0.06rem 0.32rem;
}

.site-shell {
  margin: 0 auto;
  max-width: 1120px;
  padding: 0 24px 56px;
}

.site-header {
  align-items: center;
  display: grid;
  gap: 16px;
  grid-template-columns: auto 1fr auto;
  min-height: 72px;
}

.brand {
  align-items: center;
  display: inline-flex;
  font-weight: 700;
  gap: 10px;
  text-decoration: none;
}

.brand-mark {
  background: var(--accent);
  display: inline-block;
  height: 30px;
  mask: url("/chan-mark.png") center / contain no-repeat;
  width: 30px;
  -webkit-mask: url("/chan-mark.png") center / contain no-repeat;
}

.site-nav {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  justify-content: flex-end;
}

.site-nav a,
.theme-button,
.button {
  border-radius: 6px;
  text-decoration: none;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.9rem;
  padding: 8px 10px;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--accent);
}

.theme-button {
  align-items: center;
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--muted);
  cursor: pointer;
  display: inline-flex;
  height: 34px;
  justify-content: center;
  width: 34px;
  padding: 0;
}

.theme-button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.theme-sun,
.theme-moon {
  display: block;
  width: 16px;
  height: 16px;
}

/* Show the icon for the theme you switch TO: moon while light (tap
   for dark), sun while dark (tap for light). Matches chan-desktop
   and the SPA per-surface toggle. */
.theme-sun,
[data-mode="dark"] .theme-moon {
  display: none;
}

[data-mode="dark"] .theme-sun {
  display: block;
}

.hero {
  align-items: center;
  display: grid;
  gap: 48px;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1fr);
  min-height: calc(100vh - 112px);
  padding: 40px 0 72px;
}

.hero h1,
.page-head h1 {
  font-size: clamp(3.8rem, 11vw, 8.25rem);
  letter-spacing: 0;
  line-height: 0.9;
  margin: 0 0 24px;
}

.eyebrow {
  color: var(--accent-2);
  font: 700 0.78rem var(--mono);
  letter-spacing: 0;
  margin: 0 0 12px;
  text-transform: uppercase;
}

.lede,
.page-head p {
  color: var(--muted);
  font-size: 1.18rem;
  max-width: 58ch;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  align-items: center;
  border: 1px solid var(--rule);
  display: inline-flex;
  font-weight: 700;
  min-height: 44px;
  padding: 0 16px;
}

.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.button.secondary {
  color: var(--fg);
}

.hero-shot,
.inline-shot {
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 8px;
  box-shadow: var(--shadow);
  margin: 0;
  overflow: hidden;
}

.hero-shot img,
.inline-shot img {
  display: block;
  width: 100%;
}

.hero-shot figcaption {
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.82rem;
  padding: 10px 12px;
}

.feature-grid {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0 0 72px;
}

.feature-grid article {
  border-top: 1px solid var(--rule);
  padding: 22px 20px 22px 0;
}

.feature-grid h2,
.split-section h2,
.support-section h2,
.section-heading h2,
.prose h2 {
  font-size: 1.22rem;
  letter-spacing: 0;
  line-height: 1.2;
  margin: 0 0 10px;
}

.feature-grid p,
.split-section p,
.support-section p,
.install-section p,
.prose p,
.prose li {
  color: var(--muted);
}

.split-section,
.support-section,
.install-section {
  border-top: 1px solid var(--rule);
  display: grid;
  gap: 32px;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.75fr);
  padding: 42px 0;
}

.download-list {
  align-content: start;
  display: grid;
  gap: 10px;
}

.download-list a {
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 6px;
  color: var(--fg);
  display: flex;
  font-weight: 700;
  min-height: 44px;
  padding: 10px 12px;
  text-decoration: none;
}

.download-list a:hover,
.download-card:hover,
.button.secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.support-section img {
  align-self: start;
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 8px;
  height: auto;
  justify-self: start;
  max-width: 180px;
  padding: 10px;
}

.page-head {
  padding: 64px 0 40px;
}

.page-head h1 {
  font-size: clamp(3rem, 8vw, 6.5rem);
}

.download-cards {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.download-card {
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 8px;
  display: grid;
  min-height: 120px;
  padding: 18px;
  text-decoration: none;
}

.download-card strong {
  font-size: 1.1rem;
}

.download-card span,
.minor {
  color: var(--muted);
}

.command-copy {
  align-items: stretch;
  background: var(--code-bg);
  border: 1px solid var(--rule);
  border-radius: 8px;
  display: flex;
  margin-bottom: 12px;
  overflow: hidden;
}

.command-copy code {
  align-items: center;
  border: 0;
  border-radius: 0;
  display: flex;
  flex: 1;
  gap: 10px;
  min-width: 0;
  overflow-x: auto;
  padding: 14px 16px;
  white-space: nowrap;
}

.command-copy code span {
  color: var(--accent);
  user-select: none;
}

.command-copy code b {
  font-weight: 600;
}

.command-copy button {
  background: transparent;
  border: 0;
  border-left: 1px solid var(--rule);
  color: var(--muted);
  cursor: pointer;
  font: 700 0.72rem var(--mono);
  min-width: 78px;
  text-transform: uppercase;
}

.command-copy button:hover,
.command-copy.copied button {
  background: var(--accent);
  color: #fff;
}

.manual-layout {
  align-items: start;
  display: grid;
  gap: 48px;
  grid-template-columns: 240px minmax(0, 720px);
  padding: 48px 0 80px;
}

.manual-nav {
  border-right: 1px solid var(--rule);
  display: grid;
  gap: 4px;
  padding-right: 18px;
  position: sticky;
  top: 24px;
}

.manual-nav a {
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.92rem;
  padding: 7px 8px 7px calc(8px + var(--depth, 0) * 14px);
  text-decoration: none;
}

.manual-nav a:hover {
  background: var(--code-bg);
  color: var(--fg);
}

.prose {
  max-width: 720px;
}

.prose h1 {
  font-size: clamp(2.2rem, 6vw, 4.4rem);
  letter-spacing: 0;
  line-height: 1;
  margin: 0 0 28px;
}

.prose h2 {
  border-top: 1px solid var(--rule);
  margin-top: 36px;
  padding-top: 24px;
}

.prose h3 {
  margin: 28px 0 8px;
}

.prose a {
  color: var(--accent);
  font-weight: 700;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.prose pre {
  background: var(--code-bg);
  border: 1px solid var(--rule);
  border-radius: 8px;
  overflow-x: auto;
  padding: 14px 16px;
}

.prose pre code {
  background: transparent;
  border: 0;
  padding: 0;
}

.site-footer {
  border-top: 1px solid var(--rule);
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: 24px;
}

.site-footer a {
  color: var(--muted);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--accent);
}

@media (max-width: 860px) {
  .site-shell {
    padding-inline: 18px;
  }

  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }

  .hero,
  .split-section,
  .support-section,
  .install-section,
  .manual-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 28px;
  }

  .feature-grid,
  .download-cards {
    grid-template-columns: 1fr;
  }

  .manual-nav {
    border-right: 0;
    border-bottom: 1px solid var(--rule);
    padding: 0 0 18px;
    position: static;
  }
}

@media (max-width: 520px) {
  .command-copy {
    display: grid;
  }

  .command-copy button {
    border-left: 0;
    border-top: 1px solid var(--rule);
    min-height: 42px;
  }
}