/* Clavis — shared stylesheet */
:root {
  --accent: #7347F2;
  --accent-light: #9E85FA;
  --accent-dim: #BFADFC;
  --accent-dark: #4D1F99;

  --bg-1: #0D0824;
  --bg-2: #120833;
  --bg-3: #0A081F;
  --card: #1A1433;
  --card-elev: #21193D;

  --success: #33D17A;
  --warning: #FFB838;
  --error: #FF6161;
  --info: #4DB3FF;

  --text-1: #FFFFFF;
  --text-2: rgba(255,255,255,0.55);
  --text-3: rgba(255,255,255,0.30);
  --border: rgba(158,133,250,0.18);
  --border-active: rgba(115,71,242,0.45);
  --divider: rgba(255,255,255,0.06);

  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 18px;
  --r-xl: 24px;
  --r-full: 100px;

  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-1);
  color: var(--text-1);
  font-family: var(--font-display);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  background:
    radial-gradient(1200px 800px at 100% -10%, rgba(115,71,242,0.16), transparent 60%),
    radial-gradient(900px 700px at -10% 20%, rgba(77,31,153,0.14), transparent 60%),
    linear-gradient(to bottom left, var(--bg-1), var(--bg-2) 45%, var(--bg-3));
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ——— Layout ——— */
.shell {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ——— Nav ——— */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: rgba(13,8,36,0.72);
  border-bottom: 1px solid var(--divider);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #1E1B4B, #2D1B69);
  border: 1px solid rgba(158,133,250,0.28);
  box-shadow: 0 8px 24px -8px rgba(115,71,242,0.55);
  display: grid;
  place-items: center;
}
.brand-mark svg { width: 22px; height: 22px; }
.brand-name { font-size: 17px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  color: var(--text-2);
  font-size: 14px;
  transition: color .2s;
}
.nav-links a:hover { color: var(--text-1); }

/* Language toggle */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: var(--r-full);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  cursor: pointer;
  transition: color .15s, border-color .15s, background .15s;
}
.lang-toggle:hover { color: var(--text-1); border-color: var(--border-active); background: rgba(255,255,255,0.06); }
.lang-toggle svg { width: 12px; height: 12px; opacity: 0.7; }
.lang-toggle [data-lang-current] { color: var(--accent-light); }
.lang-toggle [data-lang-sep] { color: var(--text-3); }

/* ——— Buttons ——— */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--r-full);
  font-weight: 600;
  font-size: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(to right, #7347F2, #4D1F99);
  color: #fff;
  box-shadow: 0 12px 28px -10px rgba(115,71,242,0.7), inset 0 1px 0 rgba(255,255,255,0.15);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 18px 36px -12px rgba(115,71,242,0.8); }
.btn-ghost {
  background: rgba(255,255,255,0.04);
  color: var(--text-1);
  border-color: var(--border);
}
.btn-ghost:hover { background: rgba(255,255,255,0.07); border-color: var(--border-active); }
.btn-lg { padding: 16px 28px; font-size: 15px; }

/* ——— Tag pill ——— */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: var(--r-full);
  background: rgba(115,71,242,0.12);
  border: 1px solid var(--border);
  color: var(--accent-light);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
}
.tag .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-light);
  box-shadow: 0 0 12px var(--accent-light);
}

/* ——— Card ——— */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 24px;
}
.card-elev { background: var(--card-elev); }

/* ——— Footer ——— */
.footer {
  border-top: 1px solid var(--divider);
  background: var(--bg-3);
  padding: 56px 0 40px;
  margin-top: 96px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
}
.footer h4 {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-3);
  margin: 0 0 16px;
  font-weight: 600;
}
.footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer a { color: var(--text-2); font-size: 14px; }
.footer a:hover { color: var(--text-1); }
.footer-bottom {
  border-top: 1px solid var(--divider);
  margin-top: 48px;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  color: var(--text-3);
  font-size: 13px;
}

/* ——— Document pages (privacy / terms) ——— */
.doc-hero {
  padding: 80px 0 40px;
  border-bottom: 1px solid var(--divider);
}
.doc-hero h1 {
  font-size: 48px;
  font-weight: 900;
  letter-spacing: -1.5px;
  margin: 16px 0 12px;
  line-height: 1.05;
}
.doc-hero .meta {
  color: var(--text-3);
  font-size: 13px;
  letter-spacing: 0.5px;
}
.doc-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 64px;
  padding: 56px 0;
}
.doc-toc {
  position: sticky;
  top: 90px;
  align-self: start;
  font-size: 13px;
}
.doc-toc h5 {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-3);
  font-weight: 600;
  margin: 0 0 14px;
}
.doc-toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  counter-reset: toc;
}
.doc-toc li { counter-increment: toc; }
.doc-toc a {
  color: var(--text-2);
  display: flex;
  gap: 10px;
  padding: 6px 10px;
  border-radius: 8px;
  transition: background .15s, color .15s;
}
.doc-toc a::before {
  content: counter(toc, decimal-leading-zero);
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 11px;
}
.doc-toc a:hover { background: rgba(255,255,255,0.04); color: var(--text-1); }

.doc-content {
  max-width: 720px;
  font-size: 15px;
  color: rgba(255,255,255,0.78);
  line-height: 1.7;
}
.doc-content section { padding: 8px 0 32px; scroll-margin-top: 90px; }
.doc-content section + section { border-top: 1px solid var(--divider); padding-top: 32px; }
.doc-content h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-1);
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.doc-content h2 .num {
  font-family: var(--font-mono);
  color: var(--accent-light);
  font-weight: 500;
  font-size: 14px;
  margin-right: 12px;
  letter-spacing: 0.5px;
}
.doc-content h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-1);
  margin: 24px 0 8px;
}
.doc-content p { margin: 0 0 14px; }
.doc-content ul { padding-left: 18px; margin: 0 0 14px; }
.doc-content li { margin-bottom: 8px; }
.doc-content strong { color: var(--text-1); font-weight: 600; }
.doc-content a { color: var(--accent-light); border-bottom: 1px solid rgba(158,133,250,0.3); }
.doc-content a:hover { color: var(--text-1); }

.callout {
  background: rgba(115,71,242,0.08);
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent);
  border-radius: var(--r-md);
  padding: 16px 18px;
  margin: 8px 0 18px;
  font-size: 14px;
  color: var(--text-1);
}
.callout .label {
  display: block;
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-light);
  font-weight: 600;
  margin-bottom: 6px;
}

/* ——— Tables (subscription) ——— */
.subs-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 12px 0 8px;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
}
.subs-table th, .subs-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--divider);
}
.subs-table th {
  background: rgba(255,255,255,0.03);
  font-weight: 600;
  color: var(--text-2);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.subs-table tr:last-child td { border-bottom: none; }
.subs-table .price { font-family: var(--font-mono); color: var(--text-1); }

/* ——— Responsive ——— */
@media (max-width: 880px) {
  .doc-layout { grid-template-columns: 1fr; gap: 24px; }
  .doc-toc { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .doc-hero h1 { font-size: 36px; }
  .nav-links a:not(.btn) { display: none; }
}