/* Site-wide header, nav, and footer layout */

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-3) 0;
}
.site-brand { display: flex; align-items: center; gap: var(--space-3); flex-shrink: 0; }
.site-brand img { border-radius: var(--radius-sm); }
.site-brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.site-brand-text strong { font-size: 1rem; color: var(--color-text); }
.site-brand-text small { color: var(--color-text-muted); font-size: 0.72rem; letter-spacing: 0.03em; }
.site-brand:hover { text-decoration: none; }

.site-nav { display: flex; align-items: center; gap: var(--space-5); margin-left: auto; }
.site-nav ul { display: flex; gap: var(--space-4); margin: 0; padding: 0; list-style: none; }
.site-nav a { color: var(--color-text); font-weight: 600; font-size: 0.92rem; }
.site-nav a.is-active { color: var(--color-primary); }
.site-nav a:hover { text-decoration: none; color: var(--color-primary); }
.site-nav-cta { flex-shrink: 0; }

.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  border: none; background: none; cursor: pointer;
  margin-left: auto;
}
.mobile-nav-toggle span { display: block; width: 22px; height: 2px; background: var(--color-text); }

.site-footer { background: #12201c; color: #cfe0da; margin-top: var(--space-9); padding: var(--space-8) 0 var(--space-5); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-6); }
.footer-brand img { border-radius: var(--radius-sm); margin-bottom: var(--space-3); background: #fff; padding: 4px; }
.footer-brand p { margin: 0 0 6px; color: #cfe0da; }
.footer-social { display: flex; gap: var(--space-3); margin-top: var(--space-3); flex-wrap: wrap; }
.footer-social a { color: #fff; font-weight: 600; font-size: 0.85rem; }
.site-footer h3 { color: #fff; font-size: 0.95rem; margin-bottom: var(--space-3); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: var(--space-2); }
.site-footer a { color: #cfe0da; }
.site-footer a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); margin-top: var(--space-7); padding-top: var(--space-5); font-size: 0.85rem; color: #9db3ac; }

@media (max-width: 900px) {
  .mobile-nav-toggle { display: flex; }
  .site-nav {
    position: fixed;
    inset: 64px 0 0 0;
    background: var(--color-surface);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-5);
    transform: translateX(100%);
    transition: transform .2s ease;
    overflow-y: auto;
  }
  .site-nav.is-open { transform: translateX(0); }
  .site-nav ul { flex-direction: column; width: 100%; gap: 0; }
  .site-nav li { width: 100%; border-bottom: 1px solid var(--color-border); }
  .site-nav a { display: block; padding: var(--space-3) 0; }
  .site-nav-cta { margin-top: var(--space-4); width: 100%; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}