:root {
  color-scheme: dark;
}
body {
  margin: 0;
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text);
}
.page-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: radial-gradient(180% 120% at 50% 0%, rgba(46, 107, 255, 0.45) 0%, rgba(11, 18, 32, 0) 55%),
    linear-gradient(160deg, rgba(18, 34, 58, 0.8) 0%, rgba(11, 18, 32, 0.2) 60%);
}
header.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--surface-1);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px clamp(16px, 3vw, 32px);
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
}
.push-end {
  margin-left: auto;
  display: flex;
  gap: 12px;
  align-items: center;
}
.primary-btn {
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--accent);
  border: 1px solid var(--accent);
  color: var(--bg);
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 12px 30px rgba(46, 107, 255, 0.35);
  transition: transform 200ms var(--ease-out), box-shadow 200ms var(--ease-out);
}
.primary-btn:hover,
.primary-btn:focus-visible {
  background: var(--accent-600);
  border-color: var(--accent-600);
  transform: translateY(-1px);
  box-shadow: 0 14px 36px rgba(46, 107, 255, 0.45);
}
main {
  /*
   * Override style.css main rules for landing page:
   * - flex: 0 0 auto prevents main from stretching to fill viewport
   * - display: block removes flex container behavior that stretches children
   * - padding: 0 removes the 4rem vertical padding from style.css
   */
  flex: 0 0 auto;
  display: block;
  padding: 0;
}

/* ===== Homepage Footer (Compact) ===== */

.site-footer--home {
  margin-top: 0;
  padding: 24px clamp(16px, 4vw, 48px) 16px;
  background: var(--surface-1);
  border-top: 1px solid var(--border);
}

.site-footer--home .footer-inner {
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.site-footer--home .footer-heading {
  display: none;
}

.site-footer--home .footer-column {
  display: flex;
  gap: 24px;
  justify-content: center;
}

.site-footer--home .footer-column a {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 150ms ease;
}

.site-footer--home .footer-column a:hover,
.site-footer--home .footer-column a:focus-visible {
  color: var(--text);
}

.site-footer--home .footer-bottom {
  max-width: 480px;
  margin: 14px auto 0;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.site-footer--home .footer-copyright {
  display: block;
  font-size: 0.65rem;
  color: var(--text-muted);
  opacity: 0.5;
  letter-spacing: 0.01em;
  text-align: center;
}

/* Responsive: mobile */
@media (max-width: 480px) {
  .site-footer--home {
    padding: 20px 16px 12px;
  }

  .site-footer--home .footer-column {
    gap: 16px;
  }

  .site-footer--home .footer-bottom {
    margin-top: 12px;
    padding-top: 10px;
  }
}