/* VISU Cloud — public Documentation page (pages/docs.js).
   Scoped under .visu-home so it inherits the homepage design tokens
   (css/home.css). Namespaced .vh-docs* to avoid clashing with the marketing
   homepage classes. Refined / editorial direction: numbered sections, mono
   labels, Lexend Mega display headings, sticky TOC with an accent indicator. */

/* ── Hero ─────────────────────────────────────────────────────────────── */
.visu-home .vh-docs-hero {
  padding: 72px 0 44px;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.visu-home .vh-docs-title {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  margin: 14px 0 14px;
  color: var(--text);
}
.visu-home .vh-docs-title em { font-style: normal; color: var(--accent-bright); }
.visu-home .vh-docs-lead {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-dim);
  max-width: 600px;
  margin: 0;
}
.visu-home .vh-docs-search {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 420px;
  margin-top: 26px;
  padding: 11px 14px;
  background: var(--bg-2);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  transition: border-color .14s, box-shadow .14s;
}
.visu-home .vh-docs-search:focus-within {
  border-color: rgba(91,141,255,0.5);
  box-shadow: var(--accent-glow);
}
.visu-home .vh-docs-search svg { color: var(--text-mute); flex: 0 0 auto; }
.visu-home .vh-docs-search input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--f-ui);
  font-size: 14px;
}
.visu-home .vh-docs-search input::placeholder { color: var(--text-mute); }

/* ── Layout: sticky TOC + content ─────────────────────────────────────── */
.visu-home .vh-docs {
  max-width: var(--col-w);
  margin: 0 auto;
  padding: 52px var(--gutter) 96px;
  display: grid;
  grid-template-columns: 228px minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}

.visu-home .vh-docs-nav {
  position: sticky;
  top: 76px;
  align-self: start;
}
.visu-home .vh-docs-nav-label {
  font-family: var(--f-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin: 0 0 12px 10px;
}
.visu-home .vh-docs-nav ul { list-style: none; margin: 0; padding: 0; }
.visu-home .vh-docs-nav li { margin: 1px 0; }
.visu-home .vh-docs-nav a {
  display: flex;
  align-items: baseline;
  gap: 11px;
  padding: 7px 10px;
  border-left: 2px solid transparent;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  color: var(--text-mute);
  font-size: 13px;
  line-height: 1.35;
  transition: color .14s, background .14s, border-color .14s;
}
.visu-home .vh-docs-nav a .n {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--text-faint);
  transition: color .14s;
}
.visu-home .vh-docs-nav a:hover { color: var(--text-dim); background: var(--bg-2); }
.visu-home .vh-docs-nav a.active {
  color: var(--text);
  background: var(--accent-soft);
  border-left-color: var(--accent);
}
.visu-home .vh-docs-nav a.active .n { color: var(--accent-bright); }

.visu-home .vh-docs-main { min-width: 0; }

/* ── Section blocks ───────────────────────────────────────────────────── */
.visu-home .vh-docs-section {
  padding: 28px 0 38px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 80px;
}
.visu-home .vh-docs-section:first-child { padding-top: 4px; border-top: none; }
.visu-home .vh-docs-head {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 18px;
}
.visu-home .vh-docs-num {
  font-family: var(--f-mono);
  font-size: 12px;
  color: var(--accent-bright);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  padding: 3px 7px;
  line-height: 1;
}
.visu-home .vh-docs-ic { color: var(--accent); display: flex; }
.visu-home .vh-docs-head h2 {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 23px;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--text);
}

/* ── Prose ────────────────────────────────────────────────────────────── */
.visu-home .vh-docs-body { max-width: 700px; }
.visu-home .vh-docs-body h4 {
  font-family: var(--f-mono);
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-mute);
  margin: 26px 0 8px;
}
.visu-home .vh-docs-body > h4:first-child,
.visu-home .vh-docs-body > p:first-child { margin-top: 0; }
.visu-home .vh-docs-body p {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-dim);
  margin: 0 0 12px;
}
.visu-home .vh-docs-body strong { color: var(--text); font-weight: 600; }
.visu-home .vh-docs-body em { font-style: normal; color: var(--accent-bright); }
.visu-home .vh-docs-body a { color: var(--accent-bright); text-decoration: underline; text-underline-offset: 2px; }

.visu-home .vh-docs-body ul,
.visu-home .vh-docs-body ol { list-style: none; margin: 0 0 14px; padding: 0; }
.visu-home .vh-docs-body li {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text-dim);
  margin: 7px 0;
}
.visu-home .vh-docs-body li strong { color: var(--text); }
.visu-home .vh-docs-body ul li { position: relative; padding-left: 20px; }
.visu-home .vh-docs-body ul li::before {
  content: '';
  position: absolute;
  left: 3px;
  top: 9px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.75;
}
.visu-home .vh-docs-body ol { counter-reset: vhdoc; }
.visu-home .vh-docs-body ol li { position: relative; padding-left: 30px; counter-increment: vhdoc; }
.visu-home .vh-docs-body ol li::before {
  content: counter(vhdoc, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--accent-bright);
}

/* Keycap chip */
.visu-home .vh-key {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 11.5px;
  line-height: 1.5;
  padding: 1px 7px;
  border: 1px solid var(--line-strong);
  border-bottom-width: 2px;
  border-radius: var(--r-sm);
  background: var(--bg-3);
  color: var(--text);
  white-space: nowrap;
}

/* Inline tip / note */
.visu-home .vh-docs-body .vh-note {
  font-size: 13px;
  color: var(--text-mute);
  border-left: 2px solid var(--accent);
  padding: 10px 0 10px 14px;
  margin: 16px 0 4px;
  background: linear-gradient(90deg, var(--accent-soft), transparent);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}

/* Shortcuts table */
.visu-home .vh-keys-table {
  width: 100%;
  max-width: 520px;
  border-collapse: collapse;
  margin-top: 4px;
}
.visu-home .vh-keys-table td {
  padding: 9px 8px;
  border-bottom: 1px solid var(--line);
  font-size: 13.5px;
  color: var(--text-dim);
  vertical-align: middle;
}
.visu-home .vh-keys-table td:first-child { width: 46%; white-space: nowrap; }

/* ── Closing callout (API → Developer portal) ─────────────────────────── */
.visu-home .vh-docs-callout {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 44px;
  padding: 20px 22px;
  background: var(--bg-2);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
}
.visu-home .vh-docs-callout-ic {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-bright);
  background: var(--accent-soft);
  border-radius: var(--r-md);
}
.visu-home .vh-docs-callout strong { display: block; color: var(--text); font-size: 14px; margin-bottom: 3px; }
.visu-home .vh-docs-callout p { margin: 0; font-size: 13px; color: var(--text-dim); line-height: 1.55; max-width: 540px; }
.visu-home .vh-docs-callout .btn { flex: 0 0 auto; margin-left: auto; }

/* ── Filter hide ──────────────────────────────────────────────────────── */
.visu-home .vh-hide { display: none !important; }

/* ── Responsive ───────────────────────────────────────────────────────── */
@media (max-width: 880px) {
  .visu-home .vh-docs { grid-template-columns: 1fr; gap: 0; padding-top: 36px; }
  .visu-home .vh-docs-nav { display: none; }
  .visu-home .vh-docs-hero { padding: 52px 0 32px; }
  .visu-home .vh-docs-callout { flex-direction: column; align-items: flex-start; }
  .visu-home .vh-docs-callout .btn { margin-left: 0; }
}