/* ============================================================
   Vanta Security — Shared Stylesheet (Dark Theme)
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  /* Brand */
  --accent:        #6366f1;
  --accent-hover:  #4f46e5;
  --accent-light:  #818cf8;

  /* Backgrounds */
  --bg-base:       #0d1117;
  --bg-surface:    #161b22;
  --bg-deep:       #0a0f16;

  /* Borders */
  --border:        rgba(255, 255, 255, 0.08);
  --border-accent: rgba(99, 102, 241, 0.5);

  /* Text */
  --text-primary:  #f0f6fc;
  --text-muted:    rgba(240, 246, 252, 0.6);
  --text-subtle:   rgba(240, 246, 252, 0.4);

  /* Legacy red tokens (warning-box) */
  --red-50:   rgba(239, 68, 68, 0.1);
  --red-700:  #ef4444;
  --red-900:  #fca5a5;

  /* Misc */
  --font-sans: 'Inter', -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4),  0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5),  0 2px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 32px rgba(0, 0, 0, 0.6), 0 4px 12px rgba(0, 0, 0, 0.3);

  --transition: 150ms ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

a { color: var(--accent-light); }
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--accent);
  color: #fff;
  padding: 8px 16px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  z-index: 9999;
  transition: top var(--transition);
}
.skip-link:focus { top: 0; }

/* ---------- Nav ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-base);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0 40px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
  text-decoration: none;
  color: var(--text-primary);
  white-space: nowrap;
}
.nav-brand svg { flex-shrink: 0; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text-primary);
  background: rgba(99, 102, 241, 0.12);
}
.nav-links a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-primary);
}
.nav-toggle svg { pointer-events: none; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg-deep);
  color: var(--text-muted);
  padding: 48px 40px 32px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: space-between;
  align-items: flex-start;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-subtle);
  margin-bottom: 4px;
}
.footer-links a {
  font-size: 14px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--text-primary); }
.footer-bottom {
  max-width: 960px;
  margin: 32px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-subtle);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
}

/* ---------- Page header (legal pages) ---------- */
.page-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 56px 40px 40px;
  text-align: center;
}
.page-header h1 {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.page-header .meta {
  font-size: 14px;
  color: var(--text-muted);
}

/* ---------- Legal content ---------- */
.legal-layout {
  max-width: 1060px;
  margin: 0 auto;
  padding: 60px 40px 100px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 64px;
  align-items: start;
}

/* Table of contents sidebar */
.toc {
  position: sticky;
  top: 84px;
}
.toc-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-subtle);
  margin-bottom: 12px;
}
.toc ol {
  list-style: none;
  padding: 0;
  border-left: 2px solid var(--border);
}
.toc ol li a {
  display: block;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  line-height: 1.4;
  border-left: 2px solid transparent;
  margin-left: -2px;
  transition: color var(--transition), border-color var(--transition);
}
.toc ol li a:hover {
  color: var(--accent-light);
  border-left-color: var(--accent);
}

.legal-content h2 {
  font-size: 20px;
  font-weight: 700;
  margin: 48px 0 12px;
  color: var(--text-primary);
  letter-spacing: -.01em;
  scroll-margin-top: 84px;
}
.legal-content h2:first-child { margin-top: 0; }

.legal-content p,
.legal-content li {
  font-size: 15px;
  color: rgba(240, 246, 252, 0.8);
  line-height: 1.75;
  margin-bottom: 14px;
}
.legal-content ul {
  list-style: none;
  padding: 0;
  margin-bottom: 14px;
}
.legal-content ul li {
  padding-left: 20px;
  position: relative;
  margin-bottom: 8px;
}
.legal-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: .65em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.legal-content a {
  color: var(--accent-light);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
.legal-content a:hover { color: #a5b4fc; }

.highlight-box {
  background: rgba(99, 102, 241, 0.1);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 18px 20px;
  margin: 8px 0 24px;
}
.highlight-box p {
  margin-bottom: 0;
  color: #c7d2fe;
  font-weight: 500;
}

.warning-box {
  background: var(--red-50);
  border-left: 4px solid var(--red-700);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 18px 20px;
  margin: 8px 0 24px;
}
.warning-box p {
  margin-bottom: 0;
  color: var(--red-900);
  font-weight: 500;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .site-nav { padding: 0 20px; }

  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 12px;
    gap: 2px;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    padding: 12px 16px;
    font-size: 15px;
    border-radius: var(--radius-md);
  }

  .legal-layout {
    grid-template-columns: 1fr;
    padding: 40px 20px 80px;
    gap: 0;
  }
  .toc { display: none; }

  .page-header { padding: 40px 20px 28px; }
  .page-header h1 { font-size: 26px; }

  .site-footer { padding: 40px 20px 24px; }
  .footer-inner { flex-direction: column; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  .legal-content h2 { font-size: 18px; }
}

/* ---------- Print styles ---------- */
@media print {
  .site-nav, .toc, .site-footer { display: none; }
  .legal-layout { grid-template-columns: 1fr; padding: 0; }
  .page-header { background: none; border: none; padding: 0 0 24px; text-align: left; }
  .legal-content h2 { page-break-after: avoid; }
  a[href]::after { content: " (" attr(href) ")"; font-size: 12px; color: var(--text-muted); }
}