/* CytoWeave website. The palette follows the application: violet and teal, with the logo's gold and pink. */

:root {
  --bg: #f7f8fb;
  --bg-soft: #eef1f7;
  --surface: #ffffff;
  --surface-2: #f3f5f9;
  --line: rgba(23, 27, 38, 0.1);
  --line-strong: rgba(23, 27, 38, 0.18);
  --text: #171b26;
  --text-dim: #4a5163;
  --text-faint: #6a7184;
  --accent: #5b4ce6;
  --accent-strong: #4536c9;
  --accent-soft: rgba(91, 76, 230, 0.1);
  --pink: #db2777;
  --gold: #b7860b;
  --mint: #0b8f79;
  --code-bg: #0b0e14;
  --code-text: #e6e8f0;
  --shadow: 0 1px 2px rgba(23, 27, 38, 0.06), 0 8px 24px rgba(23, 27, 38, 0.08);
  --shadow-lg: 0 2px 6px rgba(23, 27, 38, 0.08), 0 24px 60px rgba(23, 27, 38, 0.16);
  --glow-1: rgba(122, 92, 255, 0.2);
  --glow-2: rgba(24, 194, 165, 0.14);
  --glow-3: rgba(255, 209, 102, 0.16);
  --header-bg: rgba(247, 248, 251, 0.82);
  --radius: 14px;
  --radius-sm: 9px;
  --max: 1200px;
  --header: 64px;
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #07090e;
    --bg-soft: #0b0e14;
    --surface: #10141c;
    --surface-2: #151a24;
    --line: rgba(230, 232, 240, 0.1);
    --line-strong: rgba(230, 232, 240, 0.18);
    --text: #eef0f6;
    --text-dim: rgba(238, 240, 246, 0.72);
    --text-faint: rgba(238, 240, 246, 0.52);
    --accent: #8d7dff;
    --accent-strong: #b0a5ff;
    --accent-soft: rgba(141, 125, 255, 0.15);
    --pink: #f472b6;
    --gold: #ffd166;
    --mint: #2dd4b4;
    --code-bg: #0d1118;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 2px 6px rgba(0, 0, 0, 0.4), 0 30px 80px rgba(0, 0, 0, 0.55);
    --glow-1: rgba(122, 92, 255, 0.22);
    --glow-2: rgba(24, 194, 165, 0.14);
    --glow-3: rgba(255, 209, 102, 0.08);
    --header-bg: rgba(7, 9, 14, 0.78);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #07090e;
  --bg-soft: #0b0e14;
  --surface: #10141c;
  --surface-2: #151a24;
  --line: rgba(230, 232, 240, 0.1);
  --line-strong: rgba(230, 232, 240, 0.18);
  --text: #eef0f6;
  --text-dim: rgba(238, 240, 246, 0.72);
  --text-faint: rgba(238, 240, 246, 0.52);
  --accent: #8d7dff;
  --accent-strong: #b0a5ff;
  --accent-soft: rgba(141, 125, 255, 0.15);
  --pink: #f472b6;
  --gold: #ffd166;
  --mint: #2dd4b4;
  --code-bg: #0d1118;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 2px 6px rgba(0, 0, 0, 0.4), 0 30px 80px rgba(0, 0, 0, 0.55);
  --glow-1: rgba(122, 92, 255, 0.22);
  --glow-2: rgba(24, 194, 165, 0.14);
  --glow-3: rgba(255, 209, 102, 0.08);
  --header-bg: rgba(7, 9, 14, 0.78);
  color-scheme: dark;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header) + 16px);
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent-strong); }

h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 0.5em; font-weight: 700; }
h1 { font-size: clamp(2.3rem, 5vw, 3.9rem); letter-spacing: -0.035em; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1em; }

code, kbd, pre { font-family: var(--mono); font-size: 0.9em; }
:not(pre) > code {
  background: var(--accent-soft);
  color: var(--text);
  padding: 0.12em 0.4em;
  border-radius: 6px;
  font-size: 0.86em;
  overflow-wrap: break-word;
}
kbd {
  display: inline-block;
  min-width: 1.6em;
  padding: 0.05em 0.45em;
  border: 1px solid var(--line-strong);
  border-bottom-width: 2px;
  border-radius: 6px;
  background: var(--surface);
  font-size: 0.8em;
  text-align: center;
  line-height: 1.5;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 100;
  padding: 8px 14px;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
}
.skip-link:focus { top: 12px; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header);
  background: var(--header-bg);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.site-header .container { display: flex; align-items: center; gap: 20px; height: 100%; }
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: -0.01em;
  font-size: 1.12rem;
}
/* The wordmark as the app draws it: "Cyto", then "Weave" in the logo's gradient. */
.brand b {
  font-weight: 750;
  background: linear-gradient(135deg, #7a5cff, #18c2a5);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.brand:hover { color: var(--text); }
.site-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.site-nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-weight: 550;
  font-size: 0.94rem;
  padding: 8px 12px;
  border-radius: 8px;
}
.site-nav a:hover { color: var(--text); background: var(--accent-soft); }
.site-nav a[aria-current="page"] { color: var(--text); }
.header-actions { display: flex; align-items: center; gap: 6px; }
.icon-button {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  text-decoration: none;
}
.icon-button:hover { color: var(--text); border-color: var(--line-strong); background: var(--accent-soft); }
.icon-button svg { width: 18px; height: 18px; }
.nav-toggle { display: none; }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-sun { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: none; }
}

@media (max-width: 880px) {
  .nav-toggle { display: inline-grid; }
  .site-nav {
    display: none;
    position: absolute;
    top: var(--header);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px 16px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 12px; }
  .header-actions { margin-left: auto; }
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 11px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--text);
  font-weight: 650;
  font-size: 0.97rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.12s ease, border-color 0.12s ease;
}
.btn:hover { color: var(--text); border-color: var(--accent); transform: translateY(-1px); }
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.btn-primary:hover { color: var(--on-accent); background: var(--accent-strong); border-color: var(--accent-strong); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* Hero */

.hero { position: relative; padding: 72px 0 40px; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto;
  height: 780px;
  background:
    radial-gradient(38% 42% at 18% 30%, var(--glow-1), transparent 70%),
    radial-gradient(30% 36% at 78% 18%, var(--glow-2), transparent 70%),
    radial-gradient(34% 40% at 72% 62%, var(--glow-3), transparent 70%);
  pointer-events: none;
  z-index: -1;
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 28px; text-align: center; justify-items: center; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px 5px 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-dim);
  font-size: 0.86rem;
  font-weight: 550;
  text-decoration: none;
}
.eyebrow .pill {
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
}
.eyebrow:hover { color: var(--text); border-color: var(--line-strong); }
.hero h1 { max-width: 19ch; margin: 0; }
.hero h1 .accent {
  background: linear-gradient(92deg, #7a5cff 0%, #5b8cff 45%, #18c2a5 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lede { max-width: 62ch; color: var(--text-dim); font-size: clamp(1.05rem, 1.6vw, 1.2rem); margin: 0; }
.hero .btn-row { justify-content: center; }
.hero-meta { color: var(--text-faint); font-size: 0.88rem; margin: 0; }

/* Install card */

.install-card {
  width: 100%;
  max-width: 760px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
  text-align: left;
}
.tablist { display: flex; gap: 2px; padding: 6px; border-bottom: 1px solid var(--line); background: var(--surface-2); }
.tab {
  padding: 7px 14px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text-dim);
  font: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
}
.tab:hover { color: var(--text); }
.tab[aria-selected="true"] { background: var(--surface); color: var(--text); box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12); }
.tabpanel[hidden] { display: none; }
.install-card .tabpanel { padding: 14px; }
.install-card .note { margin: 10px 2px 0; color: var(--text-faint); font-size: 0.86rem; }

/* Code blocks */

.code {
  position: relative;
  margin: 0 0 1.2em;
  border-radius: var(--radius-sm);
  background: var(--code-bg);
  border: 1px solid rgba(238, 240, 246, 0.08);
}
.code pre {
  margin: 0;
  padding: 14px 52px 14px 16px;
  overflow-x: auto;
  color: var(--code-text);
  font-size: 0.86rem;
  line-height: 1.6;
}
.code.wrap pre { white-space: pre-wrap; overflow-wrap: anywhere; }
.code pre::-webkit-scrollbar { height: 8px; }
.code pre::-webkit-scrollbar-thumb { background: rgba(238, 240, 246, 0.18); border-radius: 8px; }
.code pre { scrollbar-width: thin; scrollbar-color: rgba(238, 240, 246, 0.2) transparent; }
.code .prompt { color: #2dd4b4; user-select: none; }
.code .comment { color: rgba(230, 232, 240, 0.5); }
.code-label {
  display: block;
  padding: 8px 16px 0;
  color: rgba(230, 232, 240, 0.55);
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.copy-button {
  position: absolute;
  top: 8px;
  right: 8px;
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(238, 240, 246, 0.14);
  border-radius: 8px;
  background: rgba(238, 240, 246, 0.06);
  color: rgba(238, 240, 246, 0.75);
  cursor: pointer;
}
.copy-button:hover { color: #fff; background: rgba(238, 240, 246, 0.12); }
.copy-button svg { width: 16px; height: 16px; }
.copy-button .icon-check { display: none; color: #52d68a; }
.copy-button.is-copied .icon-copy { display: none; }
.copy-button.is-copied .icon-check { display: block; }

/* Screenshot frames */

.shot {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--shot-bg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.shot img { width: 100%; cursor: zoom-in; }
.shot-window { padding-top: 30px; }
.shot-window::before {
  content: "";
  position: absolute;
  top: 11px;
  left: 14px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #ff5f57;
  box-shadow: 15px 0 0 #febc2e, 30px 0 0 #28c840;
}
.shot-window::after {
  content: attr(data-url);
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  padding: 1px 14px;
  border-radius: 6px;
  background: var(--shot-url-bg);
  color: var(--shot-url-text);
  font-family: var(--mono);
  font-size: 0.7rem;
  white-space: nowrap;
}
figure { margin: 0; }
figcaption { margin-top: 12px; color: var(--text-faint); font-size: 0.88rem; line-height: 1.55; }
.hero-shot { width: 100%; max-width: 1120px; margin: 12px 0 16px; }

/* Sections */

.section { padding: 96px 0; }
.section-alt { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 760px; margin: 0 auto 56px; text-align: center; }
.section-head p { color: var(--text-dim); font-size: 1.1rem; margin: 0; }
.kicker {
  display: block;
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.pillars { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.pillar { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.pillar h3 { font-size: 1.02rem; margin-bottom: 6px; display: flex; align-items: flex-start; gap: 10px; }
.pillar h3 .icon { margin-top: -1px; }
.pillar p { color: var(--text-dim); font-size: 0.93rem; margin: 0; }
.pillar .icon { color: var(--accent); }

.icon { width: 22px; height: 22px; flex: none; }
.icon-badge {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 14px;
}
.icon-badge.pink { background: rgba(244, 114, 182, 0.14); color: var(--pink); }
.icon-badge.gold { background: rgba(255, 209, 102, 0.18); color: var(--gold); }
.icon-badge.mint { background: rgba(24, 194, 165, 0.14); color: var(--mint); }

/* Feature rows */

.feature {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 56px;
  align-items: center;
  padding: 44px 0;
}
.feature + .feature { border-top: 1px solid var(--line); }
.feature.reverse { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.feature.reverse .feature-text { order: 2; }
.feature-text h3 { font-size: clamp(1.4rem, 2.2vw, 1.85rem); }
.feature-text > p { color: var(--text-dim); }
.checklist { list-style: none; padding: 0; margin: 0 0 1.3em; display: grid; gap: 8px; }
.checklist li { position: relative; padding-left: 28px; color: var(--text-dim); font-size: 0.96rem; }
.checklist li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.5em;
  width: 14px;
  height: 8px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}
.more-link { font-weight: 650; text-decoration: none; }
.more-link::after { content: " →"; }

/* Showcase (render on gradient) */

.showcase {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: 48px;
  align-items: center;
  padding: 48px;
  border-radius: 24px;
  background:
    radial-gradient(60% 80% at 20% 30%, rgba(122, 92, 255, 0.3), transparent 70%),
    radial-gradient(50% 70% at 80% 80%, rgba(24, 194, 165, 0.2), transparent 70%),
    #0b0e14;
  color: #eef0f6;
  overflow: hidden;
}
.showcase h2 { color: #eef0f6; }
.showcase p, .showcase li { color: rgba(238, 240, 246, 0.74); }
.showcase .kicker { color: #2dd4b4; }
.showcase img { filter: drop-shadow(0 30px 40px rgba(0, 0, 0, 0.45)); }
.preset-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 1.2em; padding: 0; list-style: none; }
.preset-list li {
  padding: 5px 12px;
  border: 1px solid rgba(238, 240, 246, 0.16);
  border-radius: 999px;
  font-size: 0.86rem;
  color: rgba(238, 240, 246, 0.85);
}
.showcase .more-link { color: #b0a5ff; }

/* Card grid */

.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
a.card { display: block; color: inherit; text-decoration: none; }
a.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.card p { color: var(--text-dim); font-size: 0.93rem; margin: 0; }

/* Tables */

.table-wrap {
  margin: 0 0 1.5em;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow-x: auto;
  background: var(--surface);
}
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { padding: 10px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
th { background: var(--surface-2); font-weight: 650; color: var(--text); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td { color: var(--text-dim); }
td strong { color: var(--text); }
.agree { color: var(--mint); font-weight: 650; white-space: nowrap; }

/* Callouts */

.callout {
  margin: 0 0 1.4em;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--text-dim);
  font-size: 0.95rem;
}
.callout strong { color: var(--text); }
.callout p:last-child { margin: 0; }
.callout.warn { border-left-color: var(--gold); background: rgba(255, 209, 102, 0.1); }

/* CTA band */

.cta {
  padding: 56px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background:
    radial-gradient(50% 90% at 0% 0%, var(--glow-1), transparent 70%),
    radial-gradient(40% 80% at 100% 100%, var(--glow-2), transparent 70%),
    var(--surface);
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 40px;
  align-items: center;
}
.cta h2 { margin-bottom: 12px; }
.cta p { color: var(--text-dim); }
.cta .install-card { box-shadow: none; }

/* Footer */

.site-footer { padding: 56px 0 40px; border-top: 1px solid var(--line); background: var(--bg-soft); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 2fr) repeat(3, minmax(0, 1fr)); gap: 32px; }
.footer-grid h4 { font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 12px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.footer-grid a { color: var(--text-dim); text-decoration: none; font-size: 0.93rem; }
.footer-grid a:hover { color: var(--text); }
.footer-about p { color: var(--text-dim); font-size: 0.93rem; max-width: 38ch; margin-top: 12px; }
.footer-bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--text-faint); font-size: 0.85rem; }

/* Documentation layout */

.docs-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr) 200px;
  gap: 48px;
  max-width: 1320px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}
.docs-sidebar { position: sticky; top: calc(var(--header) + 24px); align-self: start; max-height: calc(100vh - var(--header) - 48px); overflow-y: auto; padding-right: 6px; }
.docs-sidebar h4 { font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); margin: 22px 0 6px 10px; }
.docs-sidebar h4:first-child { margin-top: 0; }
.docs-sidebar ul { list-style: none; margin: 0; padding: 0; }
.docs-sidebar a {
  display: block;
  padding: 6px 10px;
  border-radius: 8px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 520;
}
.docs-sidebar a:hover { color: var(--text); background: var(--accent-soft); }
.docs-sidebar a[aria-current="page"] { color: var(--accent); background: var(--accent-soft); font-weight: 650; }
.docs-menu-toggle { display: none; }

.doc { min-width: 0; max-width: 780px; }
.doc > h1 { font-size: clamp(2rem, 3.6vw, 2.7rem); margin-bottom: 12px; }
.doc .doc-lede { color: var(--text-dim); font-size: 1.12rem; margin-bottom: 32px; }
.doc h2 { font-size: 1.55rem; margin-top: 2.4em; padding-top: 0.2em; }
.doc h3 { font-size: 1.15rem; margin-top: 1.8em; }
.doc h2 + h3 { margin-top: 1em; }
.doc ul, .doc ol { padding-left: 1.3em; margin: 0 0 1.2em; }
.doc li { margin-bottom: 0.4em; }
.doc li > ul { margin: 0.4em 0 0.2em; }
.doc figure { margin: 1.8em 0 2em; }
.doc .shot { box-shadow: var(--shadow); }
.anchor { margin-left: 8px; color: var(--text-faint); text-decoration: none; opacity: 0; font-weight: 400; }
h2:hover .anchor, h3:hover .anchor { opacity: 1; }

.doc-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 64px; }
.doc-pager a {
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--text);
  text-decoration: none;
  font-weight: 650;
}
.doc-pager a:hover { border-color: var(--accent); }
.doc-pager span { display: block; color: var(--text-faint); font-size: 0.8rem; font-weight: 500; }
.doc-pager .next { text-align: right; grid-column: 2; }

.toc { position: sticky; top: calc(var(--header) + 24px); align-self: start; font-size: 0.86rem; }
.toc h4 { font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 8px; }
.toc ul { list-style: none; padding: 0; margin: 0; border-left: 1px solid var(--line); }
.toc a { display: block; padding: 4px 0 4px 12px; margin-left: -1px; border-left: 2px solid transparent; color: var(--text-faint); text-decoration: none; }
.toc a:hover { color: var(--text); }
.toc a.is-active { color: var(--accent); border-left-color: var(--accent); }

/* Single pages (install, science): content with an "On this page" list */

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 200px;
  gap: 56px;
  max-width: 1080px;
  margin: 0 auto;
  padding: 48px 24px 88px;
}
.page-layout .doc { max-width: 800px; }
table.refs td:first-child { width: 28%; }
.ref-list { list-style: none; padding: 0; margin: 0 0 1.5em; display: grid; gap: 10px; }
.ref-list li { padding-left: 14px; border-left: 2px solid var(--line); color: var(--text-dim); font-size: 0.93rem; }
.ref-list li strong { color: var(--text); }
.ref-list a { overflow-wrap: anywhere; }

/* Lightbox */

.lightbox {
  border: 0;
  padding: 0;
  max-width: min(96vw, 1800px);
  max-height: 94vh;
  background: transparent;
}
.lightbox::backdrop { background: rgba(0, 0, 0, 0.82); backdrop-filter: blur(4px); }
.lightbox img { max-height: 90vh; width: auto; border-radius: 10px; cursor: zoom-out; }
.lightbox p { color: rgba(255, 255, 255, 0.8); text-align: center; font-size: 0.9rem; margin: 10px auto 0; max-width: 80ch; }

/* Responsive */

@media (max-width: 1180px) {
  .docs-layout { grid-template-columns: 220px minmax(0, 1fr); }
  .page-layout { grid-template-columns: minmax(0, 1fr); }
  .toc { display: none; }
}

@media (max-width: 980px) {
  .feature, .feature.reverse, .showcase, .cta { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .feature.reverse .feature-text { order: 0; }
  .pillars { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-about { grid-column: 1 / -1; }
}

@media (max-width: 820px) {
  .docs-layout { grid-template-columns: minmax(0, 1fr); gap: 0; padding-top: 16px; }
  .docs-sidebar { position: static; max-height: none; overflow: visible; padding: 0; }
  .docs-menu-toggle {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
  }
  .docs-sidebar nav { display: none; padding: 8px 0 20px; border-bottom: 1px solid var(--line); margin-bottom: 20px; }
  .docs-sidebar.is-open nav { display: block; }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .section { padding: 64px 0; }
  .hero { padding-top: 44px; }
  .pillars, .card-grid { grid-template-columns: minmax(0, 1fr); }
  .showcase, .cta { padding: 28px 20px; border-radius: 18px; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .shot-window::after { display: none; }
  .docs-layout, .page-layout { padding-left: 16px; padding-right: 16px; }
  .doc-pager { grid-template-columns: minmax(0, 1fr); }
  .doc-pager .next { grid-column: 1; }
}

/* Screenshots exist in both themes; show the one matching the page, in a frame of the same theme. */
:root { --on-accent: #ffffff; --shot-bg: #e6e9f1; --shot-url-bg: rgba(23, 27, 38, 0.06); --shot-url-text: rgba(23, 27, 38, 0.55); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --on-accent: #0b0e14; --shot-bg: #07090e; --shot-url-bg: rgba(238, 240, 246, 0.07); --shot-url-text: rgba(238, 240, 246, 0.55); }
}
:root[data-theme="dark"] { --on-accent: #0b0e14; --shot-bg: #07090e; --shot-url-bg: rgba(238, 240, 246, 0.07); --shot-url-text: rgba(238, 240, 246, 0.55); }
.shot-dark { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .shot-light { display: none; }
  :root:not([data-theme="light"]) .shot-dark { display: block; }
}
:root[data-theme="dark"] .shot-light { display: none; }
:root[data-theme="dark"] .shot-dark { display: block; }