/* Header & Footer publics — style Apple/SaaS premium */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid var(--color-border-soft);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--color-text);
}
.brand-mark {
  width: 32px; height: 32px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-brand), #3b82f6);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: 0 6px 14px -4px rgba(30,64,175,0.5);
}
.brand-meta { font-size: 0.7rem; color: var(--color-text-muted); font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase; }

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}
.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text-soft);
  position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--color-text); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -22px; left: 50%;
  transform: translateX(-50%);
  width: 5px; height: 5px;
  background: var(--color-brand);
  border-radius: 999px;
}

.nav-actions { display: flex; gap: 10px; align-items: center; }
.nav-cart {
  position: relative;
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-full);
  background: var(--color-bg-tint);
  color: var(--color-text);
  transition: all var(--transition);
}
.nav-cart:hover { background: var(--color-brand-soft); color: var(--color-brand); }
.nav-cart-count {
  position: absolute;
  top: -4px; right: -4px;
  min-width: 18px; height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--color-brand);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}

.nav-toggle {
  display: none;
  background: transparent; border: 0;
  width: 40px; height: 40px;
  cursor: pointer;
  color: var(--color-text);
}

@media (max-width: 880px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    left: 0; right: 0; top: 68px;
    background: #fff;
    padding: 24px;
    border-bottom: 1px solid var(--color-border);
    gap: 18px;
    align-items: flex-start;
  }
  .nav-links.open a.active::after { display: none; }
}

/* Footer */
.site-footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 80px 0 30px;
  margin-top: 80px;
}
.site-footer h4 { color: #fff; margin-bottom: 18px; font-size: 0.95rem; letter-spacing: 0.04em; text-transform: uppercase; }
.site-footer a { color: #cbd5e1; font-size: 0.92rem; }
.site-footer a:hover { color: #fff; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}
@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-brand .brand { color: #fff; }
.footer-brand .brand-meta { color: #94a3b8; }
.footer-brand p { color: #94a3b8; margin-top: 16px; max-width: 32ch; font-size: 0.9rem; }
.footer-bottom {
  margin-top: 60px;
  padding-top: 24px;
  border-top: 1px solid #1e293b;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: #94a3b8;
}