/* Postbin Ultra docs site, handwritten, matches the product UI tokens. */

:root {
  --font-sans: -apple-system, "SF Pro Text", "Inter", "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Menlo, "Liberation Mono", Consolas, monospace;

  --bg: #0b0d12;
  --bg-elev: #13161d;
  --bg-elev-2: #181c25;
  --bg-soft: #1d212c;
  --border: #22262f;
  --border-strong: #2c3140;
  --text: #e8eaed;
  --text-muted: #9ba1ad;
  --text-dim: #6c7280;
  --accent: #7c8cff;
  --accent-soft: rgba(124, 140, 255, 0.18);
  --accent-strong: #9caaff;
  --danger: #ff6b6b;
  --warning: #ffb860;
  --success: #4cd97e;

  --m-get: #4cd97e;
  --m-post: #6ea8ff;
  --m-put: #ffb860;
  --m-patch: #c08bff;
  --m-delete: #ff6b6b;

  --radius: 8px;
  --radius-lg: 12px;
  --shadow-glow: 0 30px 80px -20px rgba(124, 140, 255, 0.35), 0 0 1px rgba(124, 140, 255, 0.4);
  --max: 1120px;
  --max-prose: 760px;
}

[data-theme="light"] {
  --bg: #f6f7f9;
  --bg-elev: #ffffff;
  --bg-elev-2: #f0f2f5;
  --bg-soft: #e9ecf1;
  --border: #dde1e8;
  --border-strong: #c9cfd9;
  --text: #1b1f27;
  --text-muted: #555c6a;
  --text-dim: #8a92a0;
  --accent: #4f5fea;
  --accent-soft: rgba(79, 95, 234, 0.12);
  --accent-strong: #3a4ad9;
  --danger: #d23f3f;
  --warning: #c47b1c;
  --success: #1f9d4d;
  --shadow-glow: 0 30px 80px -20px rgba(79, 95, 234, 0.25), 0 0 1px rgba(79, 95, 234, 0.4);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a { color: var(--accent-strong); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

::selection { background: var(--accent-soft); color: var(--text); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ───── topbar ───── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--accent);
  text-decoration: none;
  flex-shrink: 0;
}
.brand:hover { text-decoration: none; }
.brand-name {
  color: var(--text);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
}

.primary-nav { margin-left: auto; }
.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  color: var(--text-muted);
  font-size: 14px;
  padding: 7px 12px;
  border-radius: 6px;
  font-weight: 500;
}
.nav-link:hover {
  color: var(--text);
  background: var(--bg-elev-2);
  text-decoration: none;
}
.nav-link.active {
  color: var(--accent-strong);
  background: var(--accent-soft);
}
.nav-actions {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
  padding-left: 8px;
  border-left: 1px solid var(--border);
}

.icon-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-decoration: none;
  transition: background 120ms, color 120ms, border-color 120ms;
}
.icon-btn:hover {
  background: var(--bg-elev-2);
  color: var(--text);
  border-color: var(--border);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  width: 36px;
  height: 36px;
  padding: 8px;
  cursor: pointer;
  flex-direction: column;
  justify-content: space-between;
}
.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: transform 180ms, opacity 180ms;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ───── page layout ───── */
.page {
  flex: 1;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 64px 20px 96px;
}
.home-page { max-width: var(--max); padding-top: 0; }

.prose { max-width: var(--max-prose); margin: 0 auto; }
.home-page .prose { max-width: var(--max); }

/* ───── typography ───── */
.prose h1 {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  font-weight: 700;
}
.prose h2 {
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 56px 0 14px;
  font-weight: 600;
  scroll-margin-top: 80px;
}
.prose h2:first-child { margin-top: 0; }
.prose h3 {
  font-size: 17px;
  line-height: 1.3;
  margin: 32px 0 10px;
  font-weight: 600;
  scroll-margin-top: 80px;
}
.prose h4 { font-size: 15px; margin: 24px 0 8px; font-weight: 600; }

.prose p, .prose li { color: var(--text); }
.prose p { margin: 0 0 16px; }
.prose strong { color: var(--text); font-weight: 600; }
.prose em { color: var(--text); }

.prose ul, .prose ol { margin: 0 0 20px; padding-left: 22px; }
.prose li { margin: 6px 0; }
.prose li::marker { color: var(--text-dim); }

.prose blockquote {
  margin: 20px 0;
  padding: 12px 18px;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  color: var(--text);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.prose blockquote p:last-child { margin-bottom: 0; }

.prose hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 48px 0;
}

/* anchor link in headings */
.anchor {
  color: var(--text-dim);
  font-weight: 400;
  margin-right: 8px;
  margin-left: -22px;
  opacity: 0;
  transition: opacity 120ms;
}
.prose h2:hover .anchor,
.prose h3:hover .anchor,
.prose h4:hover .anchor { opacity: 1; }
.anchor:hover { color: var(--accent); text-decoration: none; }

/* ───── inline code + code blocks ───── */
.prose :not(pre) > code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 1.5px 6px;
  border-radius: 5px;
  color: var(--text);
}

.code-block {
  position: relative;
  margin: 20px 0;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.code-block pre {
  margin: 0;
  padding: 16px 18px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.6;
}
.code-block code { color: var(--text); background: transparent; padding: 0; border: 0; }
.code-lang {
  position: absolute;
  top: 8px;
  right: 56px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  pointer-events: none;
}
.copy-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 11px;
  font-family: var(--font-mono);
  padding: 4px 9px;
  border-radius: 5px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 120ms, color 120ms, background 120ms, border-color 120ms;
}
.code-block:hover .copy-btn,
.code-block:focus-within .copy-btn { opacity: 1; }
.copy-btn:hover { color: var(--text); background: var(--bg-soft); border-color: var(--border-strong); }
.copy-btn.copied { color: var(--success); border-color: var(--success); }

/* ───── tables ───── */
.table-wrap {
  margin: 20px 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 480px;
}
.prose th, .prose td {
  padding: 10px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}
.prose th {
  background: var(--bg-elev);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.prose tr:last-child td { border-bottom: none; }
.prose td code { white-space: nowrap; }

/* ───── images ───── */
.prose img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

/* ───── buttons / CTA ───── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  cursor: pointer;
  text-decoration: none;
  transition: background 120ms, border-color 120ms, transform 80ms;
}
.btn:hover { background: var(--bg-soft); border-color: var(--border-strong); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
[data-theme="light"] .btn.primary { color: #fff; }
.btn.primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); }
.btn.ghost { background: transparent; }

/* ───── home hero ───── */
.hero {
  padding: 64px 0 48px;
  text-align: left;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px 4px 6px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.hero-eyebrow .badge {
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.hero h1 {
  font-size: clamp(36px, 6vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0 0 18px;
  max-width: 18ch;
  font-weight: 700;
}
.hero h1 .accent { color: var(--accent); }
.hero p.lede {
  font-size: clamp(16px, 1.6vw, 18px);
  color: var(--text-muted);
  max-width: 60ch;
  margin: 0 0 28px;
  line-height: 1.55;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 36px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 12.5px;
  color: var(--text-dim);
  margin-bottom: 40px;
}
.hero-meta strong { color: var(--text); font-weight: 600; }

.terminal {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  font-family: var(--font-mono);
  font-size: 13.5px;
  overflow: hidden;
  box-shadow: var(--shadow-glow);
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: var(--bg-elev-2);
  border-bottom: 1px solid var(--border);
}
.terminal-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--border-strong); }
.terminal-dot.r { background: #ff6058; }
.terminal-dot.y { background: #ffbe2f; }
.terminal-dot.g { background: #28c941; }
.terminal-title {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}
.terminal pre {
  margin: 0;
  padding: 18px 20px;
  overflow-x: auto;
  white-space: pre;
  line-height: 1.6;
}
.terminal .t-prompt { color: var(--accent); }
.terminal .t-comment { color: var(--text-dim); }
.terminal .t-banner { color: var(--accent); font-weight: 600; }
.terminal .t-key { color: var(--text-muted); }
.terminal .t-method-post { color: var(--m-post); font-weight: 600; }
.terminal .t-method-get { color: var(--m-get); font-weight: 600; }
.terminal .t-path { color: var(--text); }
.terminal .t-mute { color: var(--text-muted); }

/* hero figure (screenshot) */
.hero-figure {
  margin: 16px 0 0;
  position: relative;
}
.hero-figure img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-glow);
  display: block;
}
.hero-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(to bottom, transparent 75%, var(--bg) 100%);
  pointer-events: none;
}

/* ───── home grid sections ───── */
.section {
  padding: 80px 0 24px;
  border-top: 1px solid var(--border);
  margin-top: 80px;
}
.section:first-of-type { border-top: none; margin-top: 0; padding-top: 56px; }
.section-eyebrow {
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 8px;
}
.section h2 {
  font-size: clamp(24px, 3vw, 32px);
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  font-weight: 700;
  line-height: 1.2;
}
.section .section-lede {
  color: var(--text-muted);
  font-size: 16px;
  max-width: 60ch;
  margin: 0 0 32px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.feature {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color 160ms, transform 160ms;
}
.feature:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.feature h3 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}
.feature h3 .feature-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.feature p { margin: 0; color: var(--text-muted); font-size: 14px; line-height: 1.55; }

.use-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}
.use {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.use h3 { margin: 0 0 6px; font-size: 14.5px; font-weight: 600; }
.use p { margin: 0; color: var(--text-muted); font-size: 13.5px; }

.tour {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.tour-step {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  position: relative;
}
.tour-step .step-num {
  position: absolute;
  top: 14px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 2px 9px;
  border-radius: 999px;
}
.tour-step h3 { margin: 0 0 6px; font-size: 14.5px; font-weight: 600; }
.tour-step p { margin: 0 0 10px; color: var(--text-muted); font-size: 13.5px; line-height: 1.55; }
.tour-step pre {
  margin: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  overflow-x: auto;
  color: var(--text);
}

/* ───── install hero CTA ───── */
.install-cta-section h2 { letter-spacing: -0.02em; }
.install-hero {
  margin: 24px 0 18px;
  padding: 28px;
  background:
    radial-gradient(circle at 0% 50%, var(--accent-soft), transparent 60%),
    radial-gradient(circle at 100% 50%, rgba(124, 140, 255, 0.10), transparent 50%),
    var(--bg-elev);
  border: 1px solid var(--accent);
  border-radius: var(--radius-lg);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.install-hero-cmd {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 16px 18px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  overflow-x: auto;
  position: relative;
}
.install-hero-cmd .prompt {
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
  user-select: none;
}
.install-hero-cmd code {
  color: var(--text);
  background: transparent;
  border: 0;
  padding: 0;
  white-space: nowrap;
  flex: 1;
}
.install-hero-cmd .install-copy {
  position: static;
  flex-shrink: 0;
  background: var(--accent);
  color: white;
  border: 0;
  padding: 7px 14px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 12.5px;
  cursor: pointer;
  opacity: 1;
  transition: background 120ms, transform 120ms;
}
.install-hero-cmd .install-copy:hover {
  background: var(--accent-strong);
  transform: translateY(-1px);
}
.install-hero-note {
  margin: 14px 0 0;
  color: var(--text-muted);
  font-size: 13.5px;
}
.install-hero-note code {
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
}
.install-alts {
  margin: 0 0 12px;
  font-size: 13.5px;
  color: var(--text-muted);
}
.install-alts code {
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12px;
}
@media (max-width: 720px) {
  .install-hero { padding: 18px; }
  .install-hero-cmd {
    flex-wrap: wrap;
    font-size: 11.5px;
  }
  .install-hero-cmd code { white-space: normal; word-break: break-all; }
}

.cta-card {
  margin: 64px 0 0;
  padding: 36px 32px;
  background:
    radial-gradient(circle at 0% 0%, var(--accent-soft), transparent 60%),
    var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-card h3 {
  margin: 0 0 6px;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.cta-card p { margin: 0; color: var(--text-muted); }

/* ───── method badges (reused from app) ───── */
.method-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 2px 7px;
  border-radius: 4px;
  background: var(--bg-elev-2);
  border: 1px solid transparent;
  vertical-align: 1px;
}
.method-badge.GET { color: var(--m-get); border-color: rgba(76, 217, 126, 0.3); }
.method-badge.POST { color: var(--m-post); border-color: rgba(110, 168, 255, 0.3); }
.method-badge.PUT { color: var(--m-put); border-color: rgba(255, 184, 96, 0.3); }
.method-badge.PATCH { color: var(--m-patch); border-color: rgba(192, 139, 255, 0.3); }
.method-badge.DELETE { color: var(--m-delete); border-color: rgba(255, 107, 107, 0.3); }

/* ───── kbd ───── */
.prose kbd, kbd {
  font-family: var(--font-mono);
  font-size: 0.85em;
  padding: 1px 6px;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-bottom-width: 2px;
  border-radius: 4px;
  color: var(--text);
}

/* ───── note callouts ───── */
.note, .warning {
  margin: 20px 0;
  padding: 14px 16px 14px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  border-left-width: 3px;
}
.note { border-left-color: var(--accent); }
.warning { border-left-color: var(--warning); }
.note .label, .warning .label {
  display: inline-block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-right: 8px;
}
.note .label { color: var(--accent-strong); }
.warning .label { color: var(--warning); }

/* ───── changelog ───── */
.changelog-entry {
  padding: 24px 0 8px;
  border-bottom: 1px solid var(--border);
}
.changelog-entry:last-of-type { border-bottom: none; }
.changelog-header {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 12px;
}
.changelog-header h2 { margin: 0; font-size: 22px; }
.changelog-header time {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-dim);
}
.changelog-entry h3 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 16px 0 8px;
}

/* ───── footer ───── */
.footer {
  margin-top: auto;
  background: var(--bg-elev);
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 48px 20px 24px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
}
.footer-brand .brand-name { font-size: 14px; }
.footer-tag { margin: 12px 0 4px; font-size: 14px; color: var(--text); }
.footer-meta { margin: 0; font-size: 12.5px; color: var(--text-dim); }
.footer-nav h4 {
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  font-weight: 600;
  margin: 0 0 12px;
}
.footer-nav ul { list-style: none; padding: 0; margin: 0; }
.footer-nav li { margin: 6px 0; }
.footer-nav a {
  color: var(--text-muted);
  font-size: 13.5px;
}
.footer-nav a:hover { color: var(--text); text-decoration: none; }

.footer-bottom {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 20px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  color: var(--text-dim);
  flex-wrap: wrap;
}
.footer-bottom .dot { color: var(--text-dim); }
.footer-bottom a { color: var(--text-muted); }

/* ───── 404 ───── */
.notfound {
  text-align: center;
  padding: 96px 20px;
}
.notfound h1 {
  font-size: 96px;
  font-family: var(--font-mono);
  color: var(--accent);
  margin: 0 0 8px;
  line-height: 1;
}
.notfound p { color: var(--text-muted); }

/* ───── responsive ───── */
@media (max-width: 900px) {
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .tour { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: inline-flex; }
  .nav-list {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--border);
    padding: 8px 16px 16px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform 180ms, opacity 180ms;
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
  }
  .nav-list.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-link {
    padding: 12px 14px;
    border-radius: 6px;
    font-size: 15px;
    border-bottom: 1px solid var(--border);
  }
  .nav-link:last-of-type { border-bottom: none; }
  .nav-actions {
    margin-left: 0;
    margin-top: 10px;
    padding-left: 0;
    border-left: none;
    border-top: 1px solid var(--border);
    padding-top: 12px;
    justify-content: flex-end;
  }
  .topbar-inner { position: relative; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; padding-top: 40px; }
  .page { padding: 32px 16px 64px; }
  .hero { padding: 40px 0 32px; }
  .cta-card { padding: 24px 20px; }
}

@media (max-width: 480px) {
  .prose th, .prose td { padding: 8px 10px; font-size: 13px; }
  .anchor { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}