/* ── Memorius docs site — shared design system ──
   Reuses the landing orange/cinematic palette. Included by every docs page. */

:root {
  --bg: #09090f;
  --bg-elev: #10101a;
  --bg-card: #13131f;
  --border: #1e1e2e;
  --border-hi: #2a2a3e;
  --fg: #edebe8;
  --fg-dim: #9b97a5;
  --fg-mute: #5e5a6a;
  --accent: #F97316;
  --accent-hi: #FDBA74;
  --accent-glow: rgba(249, 115, 22, 0.14);
  --accent-soft: rgba(249, 115, 22, 0.08);
  --green: #34d399;
  --code-bg: #0d0d18;
  --code-border: #1c1c30;
  --radius: 12px;
  --radius-lg: 18px;
  --maxw: 1140px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #faf9f7;
    --bg-elev: #ffffff;
    --bg-card: #ffffff;
    --border: #e8e4dc;
    --border-hi: #d6d0c4;
    --fg: #1a1816;
    --fg-dim: #5c564d;
    --fg-mute: #9c958a;
    --accent-glow: rgba(249, 115, 22, 0.1);
    --accent-soft: rgba(249, 115, 22, 0.05);
    --code-bg: #f4f2ee;
    --code-border: #e8e4dc;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed; inset: 0;
  background-image: radial-gradient(circle at 1px 1px, var(--border) 1px, transparent 0);
  background-size: 36px 36px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
}
a { color: var(--accent-hi); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: var(--mono); }
code {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  padding: 0.14em 0.45em;
  border-radius: 6px;
  font-size: 0.88em;
}
pre {
  background: color-mix(in srgb, var(--code-bg) 90%, transparent);
  border: 1px solid var(--code-border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.55;
  color: var(--fg-dim);
}
pre code { background: none; border: none; padding: 0; font-size: inherit; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
html { scroll-behavior: smooth; scroll-padding-top: 70px; }

/* ── Docs nav (top bar, shared across all pages) ── */
.docs-nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--border);
}
.docs-nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex; align-items: center; gap: 11px;
  font-weight: 700; color: var(--fg);
  letter-spacing: -0.01em; font-size: 16px;
}
.brand-mark {
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, #F97316, #FDBA74);
  display: grid; place-items: center;
  color: white; font-family: var(--mono); font-weight: 700; font-size: 14px;
  box-shadow: 0 2px 12px var(--accent-glow);
}
.docs-links { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; }
.docs-links a {
  color: var(--fg-dim); font-size: 13.5px; font-weight: 500;
  position: relative; transition: color 0.25s;
}
.docs-links a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -3px;
  height: 1.5px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.docs-links a:hover { color: var(--fg); text-decoration: none; }
.docs-links a:hover::after { transform: scaleX(1); }
.docs-links a.active { color: var(--accent-hi); }
.docs-links a.active::after { transform: scaleX(1); }
.docs-links a.nav-home { color: var(--fg); font-weight: 600; }
@media (max-width: 720px) {
  .docs-nav-inner { flex-direction: column; height: auto; padding: 12px 0; gap: 10px; }
  .docs-links { gap: 16px; justify-content: center; }
}

/* ── Docs page hero (smaller than landing hero) ── */
.docs-hero {
  padding: 72px 0 40px;
  position: relative;
  overflow: hidden;
}
.docs-hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(700px 320px at 20% -10%, var(--accent-glow), transparent 70%),
    radial-gradient(500px 300px at 80% 0%, var(--accent-soft), transparent 60%);
  pointer-events: none;
}
.docs-hero .crumb {
  font-family: var(--mono); font-size: 12px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent-hi);
  display: inline-block; margin-bottom: 16px;
  position: relative; z-index: 1;
}
.docs-hero h1 {
  font-size: clamp(30px, 5vw, 48px);
  letter-spacing: -0.035em; margin: 0 0 14px; font-weight: 800;
  position: relative; z-index: 1;
}
.docs-hero p.lead {
  font-size: clamp(15px, 2vw, 18px);
  color: var(--fg-dim);
  max-width: 680px; margin: 0;
  line-height: 1.7;
  position: relative; z-index: 1;
}

/* ── Docs content ── */
.docs-main {
  padding: 24px 0 90px;
  position: relative; z-index: 1;
}
.docs-section { padding: 44px 0; }
.docs-section + .docs-section { border-top: 1px solid var(--border); }
.docs-section h2 {
  font-size: clamp(24px, 3.4vw, 32px);
  letter-spacing: -0.03em; margin: 0 0 10px; font-weight: 700; line-height: 1.15;
}
.docs-section h2 .act-label { display: inline-block; }
.docs-section .sub {
  color: var(--fg-dim); font-size: 15.5px; max-width: 640px; margin: 0 0 34px; line-height: 1.65;
}
.docs-section p { color: var(--fg-dim); font-size: 15px; line-height: 1.7; max-width: 760px; }
.docs-section p strong { color: var(--fg); }
.docs-section ul, .docs-section ol { color: var(--fg-dim); font-size: 15px; line-height: 1.7; padding-left: 22px; }
.docs-section li { margin-bottom: 6px; }
.docs-section li::marker { color: var(--accent); }
.docs-section h3 {
  font-size: 18px; font-weight: 650; letter-spacing: -0.015em;
  margin: 28px 0 10px; color: var(--fg);
}
pre { max-width: 100%; }

/* ── Two-column doc layout (sidebar TOC + content) ── */
.doc-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 900px) { .doc-layout { grid-template-columns: 1fr; gap: 0; } }
.doc-toc {
  position: sticky; top: 80px;
  border-right: 1px solid var(--border);
  padding-right: 24px;
}
@media (max-width: 900px) {
  .doc-toc { position: static; border-right: none; border-bottom: 1px solid var(--border); padding: 0 0 20px; margin-bottom: 24px; }
}
.doc-toc .toc-title {
  font-family: var(--mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--fg-mute); margin-bottom: 14px;
}
.doc-toc a {
  display: block; color: var(--fg-dim); font-size: 13.5px;
  padding: 6px 0; border-bottom: 1px solid var(--border);
  transition: color 0.2s, padding-left 0.2s;
}
.doc-toc a:hover { color: var(--accent-hi); padding-left: 6px; text-decoration: none; }
.doc-toc a:last-child { border-bottom: none; }
.doc-content { min-width: 0; }

/* ── CLI card grid (reference style) ── */
.cli-grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.cli-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: border-color 0.25s, transform 0.25s;
}
.cli-card:hover { border-color: var(--border-hi); transform: translateY(-2px); }
.cli-card h4 {
  margin: 0 0 14px; font-size: 12px;
  color: var(--accent-hi);
  font-family: var(--mono);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.cli-card .row {
  display: flex; gap: 10px; align-items: baseline;
  padding: 8px 0;
  border-bottom: 1px solid var(--code-border);
  font-size: 13px;
}
.cli-card .row:last-child { border-bottom: none; }
.cli-card .cmd { font-family: var(--mono); color: var(--fg); white-space: nowrap; font-size: 13px; }
.cli-card .desc { color: var(--fg-dim); font-size: 12.5px; }
.cli-card .flags { color: var(--fg-mute); font-family: var(--mono); font-size: 11.5px; margin-top: 4px; display: block; }

/* ── Tables ── */
.doc-table-wrap { overflow-x: auto; margin: 18px 0; border-radius: var(--radius); border: 1px solid var(--border); }
table {
  width: 100%; border-collapse: collapse;
  font-size: 13.5px; color: var(--fg-dim);
  min-width: 520px;
}
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); }
th {
  color: var(--fg); font-weight: 600; font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.04em;
  background: var(--bg-elev);
  position: sticky; top: 0;
}
tr:last-child td { border-bottom: none; }
td code { white-space: nowrap; }

/* ── Callouts ── */
.callout {
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin: 18px 0;
  font-size: 14px; color: var(--fg-dim);
}
.callout strong { color: var(--fg); }
.callout .co-title {
  font-family: var(--mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent-hi); margin-bottom: 6px;
}

/* ── Docs card grid (for the hub + landing feature cards) ── */
.cards {
  display: grid; gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  opacity: 0; transform: translateY(16px);
  overflow: hidden;
}
.card.visible { opacity: 1; transform: translateY(0); }
.card:hover {
  transform: translateY(-5px);
  border-color: var(--border-hi);
  box-shadow: 0 20px 56px rgba(0,0,0,0.35), 0 0 0 1px var(--accent-soft);
}
.card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0; transition: opacity 0.4s;
}
.card:hover::before { opacity: 1; }
.card .icon {
  width: 44px; height: 44px;
  border-radius: 11px;
  background: var(--accent-glow);
  color: var(--accent-hi);
  display: grid; place-items: center;
  margin-bottom: 18px;
  transition: transform 0.3s ease;
}
.card:hover .icon { transform: scale(1.12); }
.card .icon svg { width: 22px; height: 22px; stroke: currentColor; stroke-width: 1.5; fill: none; }
.card h3 { margin: 0 0 10px; font-size: 16.5px; font-weight: 650; letter-spacing: -0.015em; }
.card p { margin: 0 0 16px; color: var(--fg-dim); font-size: 14px; line-height: 1.65; }
.card .card-link {
  font-size: 13px; font-weight: 600;
  display: inline-flex; align-items: center; gap: 6px;
}
.card .card-link::after { content: '→'; color: var(--accent); transition: transform 0.25s; }
.card:hover .card-link::after { transform: translateX(4px); }

/* ── Breadcrumb / prev-next pager ── */
.pager {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--border);
}
.pager a {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  transition: border-color 0.25s, transform 0.25s;
  display: block;
}
.pager a:hover { border-color: var(--accent); transform: translateY(-2px); text-decoration: none; }
.pager a .p-label { font-family: var(--mono); font-size: 11px; color: var(--fg-mute); text-transform: uppercase; letter-spacing: 0.08em; }
.pager a .p-title { color: var(--fg); font-weight: 600; font-size: 15px; margin-top: 4px; }
.pager a.next { text-align: right; }

/* ── Footer (shared) ── */
footer {
  border-top: 1px solid var(--border);
  padding: 48px 0;
  color: var(--fg-mute);
  font-size: 13px;
  position: relative; z-index: 1;
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px;
}
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--fg-dim); font-size: 13px; transition: color 0.2s; }
.footer-links a:hover { color: var(--accent-hi); }

/* ── Scroll-triggered entrance animations ── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.06s; }
.delay-2 { transition-delay: 0.12s; }
.delay-3 { transition-delay: 0.18s; }
.delay-4 { transition-delay: 0.24s; }
.delay-5 { transition-delay: 0.30s; }
.delay-6 { transition-delay: 0.36s; }

/* ── Act label (cinematic section marker) ── */
.act-label {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent-hi);
  margin-bottom: 14px;
}
.act-label::before {
  content: '';
  display: inline-block;
  width: 24px; height: 1px;
  background: var(--accent);
  vertical-align: middle;
  margin-right: 10px;
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .card, .fade-up { opacity: 1 !important; transform: none !important; }
}

/* ── CTA band (shared by sub-pages + landing) ── */
.cta-band {
  background: linear-gradient(135deg, var(--accent-soft), var(--accent-glow));
  border: 1px solid color-mix(in srgb, var(--accent) 25%, var(--border));
  border-radius: 20px;
  padding: 56px 44px;
  text-align: center;
  position: relative; overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(600px 200px at 50% 0%, var(--accent-glow), transparent 70%);
  pointer-events: none;
}
.cta-band h2 {
  position: relative; z-index: 1;
  font-size: clamp(26px,3.4vw,34px); letter-spacing: -0.03em; font-weight: 700; line-height: 1.15;
  margin: 0 0 12px;
}
.cta-band p {
  color: var(--fg-dim); max-width: 520px; margin: 0 auto 30px;
  position: relative; z-index: 1; font-size: 15px; line-height: 1.65;
}
.cta-band .hero-actions { margin-top: 0; position: relative; z-index: 1; }
.hero-actions {
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
}
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: 10px;
  font-weight: 600; font-size: 14px;
  transition: all 0.25s cubic-bezier(0.22,1,0.36,1);
}
.btn-primary {
  background: var(--accent); color: white;
  box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:hover {
  background: var(--accent-hi); color: #1a1816;
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(249,115,22,0.3);
  text-decoration: none;
}
.btn-ghost {
  background: transparent; color: var(--fg);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--accent); color: var(--accent-hi);
  transform: translateY(-2px);
  text-decoration: none;
}