/* ============================================================================
   Hinata Documentation — Liquid Glass design system
   Navy rail · warm-paper canvas · honey-amber accent (#D9A032)
   Theme-aware (light/dark), frosted glass surfaces, aurora backdrop.
   ============================================================================ */

/* ---------- Design tokens ---------- */
:root {
  --amber: #d9a032;
  --amber-soft: #e7c078;
  --amber-deep: #b8842020;
  --navy: #211f3d;
  --navy-2: #2c2a4d;

  /* light (warm paper) */
  --bg: #f4efe4;
  --bg-2: #efe8d8;
  --ink: #211f3d;
  --ink-soft: #55506e;
  --ink-faint: #837d99;
  --line: #221f3d18;
  --line-strong: #221f3d2a;

  --glass-bg: rgba(255, 253, 248, 0.62);
  --glass-border: rgba(255, 255, 255, 0.55);
  --glass-shadow: 0 8px 40px -12px rgba(33, 31, 61, 0.28);
  --glass-blur: saturate(180%) blur(20px);

  --card: rgba(255, 253, 248, 0.7);
  --code-bg: rgba(28, 26, 48, 0.96);
  --code-ink: #e6e6ef;
  --kbd-bg: rgba(33, 31, 61, 0.08);

  --radius: 16px;
  --radius-sm: 11px;
  --radius-lg: 24px;
  --maxw: 1440px;
  --sidebar-w: 288px;
  --toc-w: 232px;
  --topbar-h: 64px;

  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --sky: #6d8bd6;
  --violet: #9a7fd0;
}

:root[data-theme="dark"] {
  --bg: #100f1f;
  --bg-2: #14132a;
  --ink: #ece9f5;
  --ink-soft: #b3aecb;
  --ink-faint: #7f7a99;
  --line: #ffffff14;
  --line-strong: #ffffff24;

  --glass-bg: rgba(30, 28, 54, 0.55);
  --glass-border: rgba(255, 255, 255, 0.09);
  --glass-shadow: 0 10px 44px -14px rgba(0, 0, 0, 0.65);

  --card: rgba(32, 30, 58, 0.6);
  --code-bg: rgba(10, 9, 22, 0.85);
  --kbd-bg: rgba(255, 255, 255, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--topbar-h) + 20px); overflow-x: clip; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: var(--amber); color: #1b1830; }

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

/* ---------- Aurora backdrop ---------- */
.aurora {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}
.aurora::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 50% at 15% 0%, rgba(217, 160, 50, 0.16), transparent 60%),
    radial-gradient(50% 45% at 100% 10%, rgba(154, 127, 208, 0.14), transparent 55%),
    radial-gradient(55% 60% at 80% 100%, rgba(109, 139, 214, 0.12), transparent 60%);
}
.aurora span {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  animation: drift 26s ease-in-out infinite;
}
.aurora span:nth-child(1) { width: 46vw; height: 46vw; left: -8vw; top: -12vw; background: var(--amber); }
.aurora span:nth-child(2) { width: 40vw; height: 40vw; right: -10vw; top: 8vw; background: var(--violet); animation-delay: -8s; }
.aurora span:nth-child(3) { width: 38vw; height: 38vw; left: 40vw; bottom: -16vw; background: var(--sky); animation-delay: -16s; }
:root[data-theme="dark"] .aurora span { opacity: 0.28; }

@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(4vw, 3vw) scale(1.08); }
  66% { transform: translate(-3vw, 2vw) scale(0.95); }
}
@media (prefers-reduced-motion: reduce) {
  .aurora span { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Glass utility ---------- */
.glass {
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

/* ---------- Top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  padding: 10px 18px 0;
}
.topbar-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  height: calc(var(--topbar-h) - 8px);
  padding: 0 12px 0 14px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  border-radius: 10px;
  color: #1b1830;
  background: linear-gradient(135deg, var(--amber-soft), var(--amber));
  box-shadow: 0 4px 14px -4px rgba(217, 160, 50, 0.7);
}
.brand-mark svg { width: 20px; height: 20px; }
.brand-name { font-size: 1.06rem; letter-spacing: -0.02em; }
.brand-name em { font-style: normal; color: var(--amber); font-weight: 700; }

.search-trigger {
  margin-left: 8px;
  flex: 1;
  max-width: 340px;
  display: flex;
  align-items: center;
  gap: 9px;
  height: 40px;
  padding: 0 10px 0 12px;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: rgba(127, 122, 153, 0.08);
  color: var(--ink-faint);
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.search-trigger:hover { border-color: var(--amber); background: rgba(217, 160, 50, 0.08); }
.search-trigger svg { width: 17px; height: 17px; }
.search-trigger span { flex: 1; text-align: left; }
.search-trigger kbd, kbd {
  font-family: var(--font);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 6px;
  background: var(--kbd-bg);
  border: 1px solid var(--line);
  color: var(--ink-soft);
}

.topbar-actions { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.icon-btn {
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  border-radius: 11px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.icon-btn:hover { background: rgba(127, 122, 153, 0.12); color: var(--ink); border-color: var(--line); }
.icon-btn svg { width: 20px; height: 20px; }

.lang-switch {
  display: flex; align-items: center; gap: 6px;
  height: 40px; padding: 0 12px;
  border-radius: 11px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink-soft);
  font: inherit; font-size: 0.82rem; font-weight: 700;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.lang-switch:hover { border-color: var(--amber); color: var(--ink); }
.lang-switch svg { width: 16px; height: 16px; }

.theme-toggle .icon-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

.menu-toggle { display: none; }

/* ---------- Layout ---------- */
.layout {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 18px;
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}
.sidebar {
  position: sticky;
  top: calc(var(--topbar-h) + 10px);
  height: calc(100vh - var(--topbar-h) - 22px);
  padding-top: 18px;
}
.sidebar-inner {
  height: 100%;
  border-radius: var(--radius);
  padding: 14px 10px;
  overflow-y: auto;
  overscroll-behavior: contain;
}
.sidebar-inner::-webkit-scrollbar { width: 8px; }
.sidebar-inner::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 8px; }

.nav-group { margin-bottom: 16px; }
.nav-group-label {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.nav-group-icon { width: 15px; height: 15px; color: var(--amber); }
.nav-links { list-style: none; margin: 2px 0 0; padding: 0; }
.nav-link {
  display: block;
  padding: 7px 12px;
  margin: 1px 0;
  border-radius: 9px;
  font-size: 0.9rem;
  color: var(--ink-soft);
  border-left: 2px solid transparent;
  transition: background 0.13s, color 0.13s;
}
.nav-link:hover { background: rgba(127, 122, 153, 0.1); color: var(--ink); }
.nav-link.active {
  color: var(--ink);
  font-weight: 600;
  background: linear-gradient(90deg, rgba(217, 160, 50, 0.16), rgba(217, 160, 50, 0.04));
  border-left-color: var(--amber);
}

.sidebar-scrim { display: none; }

/* ---------- Content ---------- */
.content {
  min-width: 0;
  padding: 30px 0 60px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--toc-w);
  gap: 40px;
  align-items: start;
}
.prose { min-width: 0; max-width: 780px; }

.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.82rem; color: var(--ink-faint);
  margin-bottom: 6px;
}
.breadcrumb a:hover { color: var(--amber); }
.breadcrumb span:last-child { color: var(--ink-soft); font-weight: 600; }

.page-actions { display: flex; justify-content: flex-end; margin: -6px 0 -14px; }
.edit-link { font-size: 0.8rem; color: var(--ink-faint); }
.edit-link:hover { color: var(--amber); }

/* ---------- Prose typography ---------- */
.prose h1 {
  font-size: 2.3rem;
  line-height: 1.15;
  letter-spacing: -0.03em;
  font-weight: 800;
  margin: 0.2em 0 0.5em;
}
.prose h2 {
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin: 2.2em 0 0.7em;
  padding-top: 0.4em;
  border-top: 1px solid var(--line);
}
.prose h3 { font-size: 1.16rem; font-weight: 700; margin: 1.8em 0 0.5em; letter-spacing: -0.01em; }
.prose h4 { font-size: 1rem; font-weight: 700; margin: 1.5em 0 0.4em; color: var(--ink-soft); }
.prose h2:first-child, .prose h1:first-child { margin-top: 0; border-top: 0; }

.prose h1 .headerlink { display: none; }
.prose h2 .headerlink, .prose h3 .headerlink, .prose h4 .headerlink {
  opacity: 0;
  margin-left: 8px;
  color: var(--amber);
  font-weight: 400;
  text-decoration: none;
  transition: opacity 0.15s;
}
.prose h2:hover .headerlink, .prose h3:hover .headerlink, .prose h4:hover .headerlink { opacity: 1; }

.prose p { margin: 0.9em 0; color: var(--ink); }
.prose a:not(.headerlink) {
  color: var(--amber);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 160, 50, 0.35);
  transition: border-color 0.15s;
}
.prose a:not(.headerlink):hover { border-bottom-color: var(--amber); }

.prose strong { font-weight: 700; color: var(--ink); }
.prose ul, .prose ol { margin: 0.9em 0; padding-left: 1.4em; }
.prose li { margin: 0.35em 0; }
.prose li::marker { color: var(--amber); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.4em 0; }

.prose blockquote {
  margin: 1.4em 0;
  padding: 2px 18px;
  border-left: 3px solid var(--amber);
  color: var(--ink-soft);
  font-style: italic;
}

/* inline code */
.prose code {
  font-family: var(--mono);
  font-size: 0.86em;
  padding: 0.15em 0.42em;
  border-radius: 6px;
  background: var(--kbd-bg);
  border: 1px solid var(--line);
  color: var(--amber);
  word-break: break-word;
}
:root[data-theme="dark"] .prose code { color: var(--amber-soft); }

/* code blocks */
.prose pre, .codehilite {
  position: relative;
  margin: 1.3em 0;
  border-radius: var(--radius-sm);
  background: var(--code-bg);
  border: 1px solid rgba(255, 255, 255, 0.07);
  overflow: hidden;
}
.prose pre { padding: 0; }
.codehilite pre { margin: 0; border: 0; }
.prose pre > code, .codehilite pre {
  display: block;
  padding: 16px 18px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--code-ink);
  background: transparent;
  border: 0;
  border-radius: 0;
}
.prose pre > code { color: var(--code-ink); }
.codehilite { padding: 0; }

.copy-btn {
  position: absolute;
  top: 9px; right: 9px;
  display: flex; align-items: center; gap: 5px;
  height: 30px; padding: 0 9px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: #cfcde0;
  font: inherit; font-size: 0.74rem; font-weight: 600;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s, background 0.15s;
}
.prose pre:hover .copy-btn, .codehilite:hover .copy-btn { opacity: 1; }
.copy-btn:hover { background: rgba(217, 160, 50, 0.22); color: #fff; }
.copy-btn svg { width: 14px; height: 14px; }
.copy-btn.copied { color: #c3e88d; border-color: #c3e88d55; }

/* tables */
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.4em 0;
  font-size: 0.9rem;
  display: block;
  overflow-x: auto;
}
.prose thead { background: rgba(217, 160, 50, 0.1); }
.prose th {
  text-align: left;
  font-weight: 700;
  padding: 10px 14px;
  border-bottom: 2px solid var(--line-strong);
  white-space: nowrap;
}
.prose td { padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose tbody tr:hover { background: rgba(127, 122, 153, 0.06); }
.prose td code { white-space: nowrap; }

.prose img { max-width: 100%; border-radius: var(--radius-sm); border: 1px solid var(--line); }

/* ---------- Admonitions (info/warning/tip/danger/note) ---------- */
.admonition {
  margin: 1.5em 0;
  padding: 14px 18px 14px 48px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: var(--card);
  position: relative;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.admonition::before {
  content: "ℹ";
  position: absolute;
  left: 16px; top: 15px;
  font-size: 1rem;
  width: 22px; height: 22px;
  display: grid; place-items: center;
  border-radius: 7px;
  font-weight: 700;
}
.admonition > .admonition-title {
  font-weight: 700;
  margin: 0 0 4px;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
}
.admonition > p:last-child { margin-bottom: 0; }
.admonition p { font-size: 0.92rem; }

.admonition.note, .admonition.info { border-left: 3px solid var(--sky); }
.admonition.note::before, .admonition.info::before { content: "ℹ"; background: rgba(109, 139, 214, 0.16); color: var(--sky); }
.admonition.tip, .admonition.hint, .admonition.success { border-left: 3px solid #4fae7b; }
.admonition.tip::before, .admonition.hint::before, .admonition.success::before { content: "✓"; background: rgba(79, 174, 123, 0.16); color: #4fae7b; }
.admonition.warning, .admonition.caution, .admonition.attention { border-left: 3px solid var(--amber); }
.admonition.warning::before, .admonition.caution::before, .admonition.attention::before { content: "!"; background: rgba(217, 160, 50, 0.18); color: var(--amber); }
.admonition.danger, .admonition.error { border-left: 3px solid #d9534f; }
.admonition.danger::before, .admonition.error::before { content: "!"; background: rgba(217, 83, 79, 0.16); color: #d9534f; }

/* ---------- Prev/next ---------- */
.page-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 3em;
}
.page-nav-card {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: var(--card);
  transition: border-color 0.15s, transform 0.15s;
}
.page-nav-card:hover { border-color: var(--amber); transform: translateY(-2px); }
.page-nav-card.next { text-align: right; justify-content: flex-end; }
.page-nav-card svg { width: 20px; height: 20px; color: var(--amber); flex-shrink: 0; }
.page-nav-card span { display: flex; flex-direction: column; }
.page-nav-card em { font-style: normal; font-size: 0.74rem; color: var(--ink-faint); }
.page-nav-card strong { font-size: 0.94rem; font-weight: 600; }

.page-footer {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 3em; padding-top: 1.4em;
  border-top: 1px solid var(--line);
  font-size: 0.82rem; color: var(--ink-faint);
}
.page-footer a:hover { color: var(--amber); }

/* ---------- Right TOC rail ---------- */
.toc-rail {
  position: sticky;
  top: calc(var(--topbar-h) + 26px);
  align-self: start;
  max-height: calc(100vh - var(--topbar-h) - 60px);
  overflow-y: auto;
}
.toc-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 10px;
}
.toc-list { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line); }
.toc-list li a {
  display: block;
  padding: 4px 0 4px 14px;
  margin-left: -1px;
  border-left: 2px solid transparent;
  font-size: 0.83rem;
  color: var(--ink-faint);
  transition: color 0.13s, border-color 0.13s;
}
.toc-list li.toc-l3 a { padding-left: 26px; font-size: 0.8rem; }
.toc-list li a:hover { color: var(--ink); }
.toc-list li a.active { color: var(--amber); border-left-color: var(--amber); font-weight: 600; }

/* ---------- Search modal ---------- */
.search-modal { position: fixed; inset: 0; z-index: 200; display: none; }
.search-modal.open { display: block; }
.search-scrim { position: absolute; inset: 0; background: rgba(16, 15, 31, 0.5); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.search-box {
  position: relative;
  max-width: 620px;
  margin: 11vh auto 0;
  border-radius: var(--radius);
  overflow: hidden;
  animation: pop 0.16s ease;
}
@keyframes pop { from { transform: translateY(-8px) scale(0.98); opacity: 0; } }
.search-field { display: flex; align-items: center; gap: 10px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.search-field svg { width: 19px; height: 19px; color: var(--ink-faint); }
.search-field input { flex: 1; border: 0; background: transparent; font: inherit; font-size: 1.02rem; color: var(--ink); outline: none; }
.search-results { max-height: 56vh; overflow-y: auto; padding: 8px; }
.search-empty { text-align: center; color: var(--ink-faint); padding: 28px 10px; font-size: 0.9rem; }
.search-result {
  display: block;
  padding: 11px 14px;
  border-radius: 10px;
  border: 1px solid transparent;
}
.search-result:hover, .search-result.active { background: rgba(217, 160, 50, 0.1); border-color: var(--line-strong); }
.search-result .sr-group { font-size: 0.72rem; color: var(--amber); font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }
.search-result .sr-title { font-weight: 600; margin: 2px 0; }
.search-result .sr-snippet { font-size: 0.82rem; color: var(--ink-faint); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.search-result mark { background: rgba(217, 160, 50, 0.32); color: inherit; border-radius: 3px; padding: 0 2px; }

/* ============================================================================
   Landing page
   ============================================================================ */
.landing-nav { display: flex; gap: 22px; margin-left: 20px; font-size: 0.92rem; font-weight: 600; color: var(--ink-soft); }
.landing-nav a:hover { color: var(--amber); }
.landing-main { max-width: 1160px; margin: 0 auto; padding: 0 22px; }

.hero { text-align: center; padding: 76px 0 54px; }
.hero-eyebrow {
  display: inline-block;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  margin-bottom: 26px;
}
.hero-title {
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 1.12;
  letter-spacing: -0.04em;
  font-weight: 900;
  margin: 0;
}
.hero-title span { display: block; }
.hero-accent {
  /* extra room so gradient-clipped descenders (g, ö) aren't cut off */
  padding-bottom: 0.12em;
  background: linear-gradient(120deg, var(--amber), var(--amber-soft) 60%, var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub {
  max-width: 720px;
  margin: 28px auto 0;
  font-size: 1.12rem;
  color: var(--ink-soft);
  line-height: 1.7;
}
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 36px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 52px; padding: 0 28px;
  border-radius: 14px;
  font-weight: 700; font-size: 1rem;
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
  cursor: pointer; border: 1px solid transparent;
}
.btn-primary {
  color: #1b1830;
  background: linear-gradient(135deg, var(--amber-soft), var(--amber));
  box-shadow: 0 10px 30px -8px rgba(217, 160, 50, 0.6);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -10px rgba(217, 160, 50, 0.7); }
.btn-ghost { color: var(--ink); }
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--amber); }

.hero-platforms {
  display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap;
  margin-top: 40px;
  font-size: 0.86rem; font-weight: 600; color: var(--ink-faint);
}
.hero-platforms i { color: var(--line-strong); font-style: normal; }
.ver-pill {
  padding: 4px 12px; border-radius: 999px;
  background: rgba(217, 160, 50, 0.14); color: var(--amber);
  font-weight: 700; margin-left: 6px;
}

/* Hero screenshot — real device frames, responsive:
   MacBook on desktop/tablet, iPhone on phones. */
.hero-shot-wrap { max-width: 1040px; margin: 8px auto 44px; padding: 0 22px; text-align: center; }
.device {
  display: none;
  width: 100%; height: auto;
  filter: drop-shadow(0 44px 80px rgba(33, 31, 61, 0.34));
}
:root[data-theme="dark"] .device { filter: drop-shadow(0 44px 90px rgba(0, 0, 0, 0.6)); }
.device-mac { display: block; }
.device-phone { max-width: 300px; margin: 0 auto; }
@media (max-width: 767px) {
  .device-mac { display: none; }
  .device-phone { display: block; }
}

.section { padding: 54px 0; }
.section-head { text-align: center; margin-bottom: 40px; }
.section-head h2 { font-size: clamp(1.7rem, 4vw, 2.4rem); font-weight: 800; letter-spacing: -0.02em; margin: 0; }
.section-head p { color: var(--ink-soft); margin: 12px 0 0; font-size: 1.05rem; }

.feat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 18px;
}
.feat-card {
  border-radius: var(--radius);
  padding: 24px;
  transition: transform 0.18s, border-color 0.18s;
}
.feat-card:hover { transform: translateY(-4px); border-color: rgba(217, 160, 50, 0.5); }
.feat-emoji { font-size: 1.7rem; margin-bottom: 12px; }
.feat-card h3 { margin: 0 0 8px; font-size: 1.12rem; font-weight: 700; letter-spacing: -0.01em; }
.feat-card p { margin: 0; color: var(--ink-soft); font-size: 0.94rem; line-height: 1.6; }

.host-split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 34px;
  border-radius: var(--radius-lg);
  padding: 44px;
  align-items: center;
}
.host-copy h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); font-weight: 800; margin: 0 0 14px; letter-spacing: -0.02em; }
.host-copy p { color: var(--ink-soft); margin: 0 0 24px; font-size: 1.02rem; }
.code-window {
  border-radius: var(--radius-sm);
  background: var(--code-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  box-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.5);
}
.code-dots { display: flex; gap: 7px; padding: 13px 15px; border-bottom: 1px solid rgba(255, 255, 255, 0.07); }
.code-dots i { width: 11px; height: 11px; border-radius: 50%; background: rgba(255, 255, 255, 0.18); }
.code-dots i:first-child { background: #ff5f57; }
.code-dots i:nth-child(2) { background: #febc2e; }
.code-dots i:nth-child(3) { background: #28c840; }
.code-window pre { margin: 0; padding: 20px; overflow-x: auto; }
.code-window code { font-family: var(--mono); font-size: 0.86rem; line-height: 1.9; color: #c3e88d; }

.repo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.repo-card { border-radius: var(--radius); padding: 26px; transition: transform 0.18s, border-color 0.18s; }
.repo-card:hover { transform: translateY(-4px); border-color: rgba(217, 160, 50, 0.5); }
.repo-badge { display: inline-block; font-size: 0.74rem; font-weight: 700; color: var(--amber); background: rgba(217, 160, 50, 0.12); padding: 4px 11px; border-radius: 999px; margin-bottom: 14px; }
.repo-card h3 { margin: 0 0 8px; font-size: 1.4rem; font-family: var(--mono); font-weight: 600; }
.repo-card p { margin: 0 0 16px; color: var(--ink-soft); font-size: 0.96rem; }
.repo-link { font-size: 0.84rem; font-weight: 600; color: var(--amber); }

.landing-footer {
  max-width: 1160px; margin: 40px auto 0; padding: 30px 22px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px;
  color: var(--ink-faint); font-size: 0.88rem;
}
.landing-footer div { display: flex; gap: 20px; }
.landing-footer a:hover { color: var(--amber); }

/* ============================================================================
   Responsive
   ============================================================================ */
@media (max-width: 1180px) {
  .content { grid-template-columns: minmax(0, 1fr); }
  .toc-rail { display: none; }
}

@media (max-width: 900px) {
  .layout { grid-template-columns: minmax(0, 1fr); padding: 0 14px; }
  .menu-toggle { display: grid; }
  .sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: 300px;
    height: 100vh;
    padding: calc(var(--topbar-h) + 16px) 12px 16px;
    z-index: 120;
    transform: translateX(-104%);
    transition: transform 0.25s ease;
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-inner { border-radius: 0 var(--radius) var(--radius) 0; }
  .sidebar-scrim {
    position: fixed; inset: 0; z-index: 110;
    background: rgba(16, 15, 31, 0.5);
    -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px);
    opacity: 0; pointer-events: none; transition: opacity 0.25s;
  }
  .sidebar-scrim.open { display: block; opacity: 1; pointer-events: auto; }
  .content { padding: 22px 0 50px; }
  .host-split, .repo-grid { grid-template-columns: 1fr; }
  .landing-nav { display: none; }
  .search-trigger span { display: none; }
  .search-trigger { max-width: 44px; flex: 0 0 44px; justify-content: center; padding: 0; }
  .search-trigger kbd { display: none; }
}

@media (max-width: 560px) {
  .brand-name em { display: none; }
  .page-nav { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 36px; }
  .lang-switch span { display: inline; }
}

/* ============================================================================
   Architecture diagram (Liquid-Glass, theme-aware, responsive)
   ============================================================================ */
.arch { display: flex; flex-direction: column; align-items: stretch; gap: 4px; margin: 1.6em 0; }
.arch-node {
  border-radius: var(--radius);
  padding: 18px 20px;
  position: relative;
  overflow: hidden;
}
.arch-node::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
  opacity: .8;
}
.arch-node-top { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.arch-node-top > .arch-txt { display: flex; flex-direction: column; line-height: 1.25; }
.arch-node-top strong { font-size: 1.02rem; font-weight: 700; letter-spacing: -0.01em; }
.arch-node-top em { font-style: normal; font-size: 0.82rem; color: var(--ink-faint); }
.arch-tag {
  margin-left: auto; font-size: 0.76rem; font-weight: 600; color: var(--amber);
  background: rgba(217,160,50,.13); border: 1px solid rgba(217,160,50,.28);
  padding: 5px 12px; border-radius: 999px; white-space: nowrap;
}
.arch-ico {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center;
  color: #1b1830; background: linear-gradient(135deg, var(--amber-soft), var(--amber));
  box-shadow: 0 5px 14px -5px rgba(217,160,50,.65);
}
.arch-ico svg { width: 22px; height: 22px; }
.arch-sub { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.arch-pill {
  font-size: 0.8rem; color: var(--ink-soft);
  background: rgba(127,122,153,.1); border: 1px solid var(--line-strong);
  padding: 6px 12px; border-radius: 9px;
}
.arch-pill code { background: transparent; border: 0; color: var(--amber); padding: 0; font-size: .95em; }

.arch-link { display: flex; flex-direction: column; align-items: center; gap: 7px; padding: 6px 0; }
.arch-vline { width: 2px; height: 18px; border-radius: 2px; background: linear-gradient(var(--amber), rgba(217,160,50,.15)); }
.arch-arrow { color: var(--amber); display: grid; place-items: center; line-height: 0; }
.arch-arrow svg { width: 22px; height: 22px; }
.arch-link-labels { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.arch-link-labels span {
  font-size: 0.78rem; color: var(--ink-soft); font-weight: 500;
  background: var(--card); border: 1px solid var(--line-strong);
  padding: 4px 11px; border-radius: 999px;
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.arch-link-labels code { background: transparent; border: 0; color: var(--amber); padding: 0 0 0 2px; }

.arch-stores { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.arch-store {
  border-radius: var(--radius-sm); padding: 16px 12px; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  transition: transform .16s, border-color .16s;
}
.arch-store:hover { transform: translateY(-3px); border-color: rgba(217,160,50,.5); }
.arch-store strong { font-size: 0.92rem; font-weight: 700; }
.arch-store em { font-style: normal; font-size: 0.74rem; color: var(--ink-faint); line-height: 1.35; }
.arch-store .arch-ico { width: 34px; height: 34px; border-radius: 10px; }
.arch-store .arch-ico svg { width: 19px; height: 19px; }

@media (max-width: 640px) {
  .arch-stores { grid-template-columns: repeat(2, 1fr); }
  .arch-tag { margin-left: 0; }
}

/* ============================================================================
   Mobile overflow hardening — long German words + wide flex/grid children
   ============================================================================ */
/* Let long words wrap / hyphenate instead of overflowing the viewport */
.hero-title, .section-head h2, .host-copy h2, .repo-card h3,
.feat-card h3, .hero-sub, .prose h1, .prose h2 {
  overflow-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
}
/* Grid/flex children must be allowed to shrink below their content width so a
   long code line scrolls inside its box instead of widening the whole card. */
.host-split, .host-copy, .host-code, .code-window,
.repo-grid, .repo-card, .feat-grid { min-width: 0; }
.host-split { overflow: hidden; }
.host-code, .code-window { max-width: 100%; }
.code-window pre { overflow-x: auto; }

@media (max-width: 767px) {
  .landing-main { padding: 0 16px; }
  .hero { padding: 40px 0 30px; }
  .hero-title { font-size: clamp(1.8rem, 8vw, 3rem); }
  .hero-sub { font-size: 1rem; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }
  .section { padding: 38px 0; }
  .section-head h2 { font-size: clamp(1.45rem, 6vw, 2rem); }
  .host-split { padding: 24px 18px; gap: 22px; }
  .host-copy h2 { font-size: clamp(1.35rem, 6vw, 2rem); }
  .code-window pre { padding: 16px; }
  .code-window code { font-size: 0.78rem; }
}

/* Compact top bar on narrow phones so it never overflows the viewport */
@media (max-width: 560px) {
  .topbar { padding: 8px 10px 0; }
  .topbar-inner { gap: 6px; padding: 0 8px 0 10px; }
  .topbar-actions { gap: 2px; }
  .topbar-actions a.icon-btn { display: none; }   /* hide GitHub icon (link in footer/nav) */
  .lang-switch { padding: 0 9px; }
  .icon-btn, .lang-switch, .search-trigger { height: 38px; }
}