/* Windows page reuses doors.css's .product-section / .door-card / .finishes / .faq
   patterns (structurally identical), plus this small addition for the sticky
   sub-nav unique to this page. */
.quicknav {
  border-bottom: 1px solid var(--line-hairline);
  background: var(--surface-card);
  position: sticky;
  top: calc(min(30px, 3vw) + 64px);
  z-index: 50;
}
.quicknav__inner {
  max-width: 1240px; margin: 0 auto; padding: 14px clamp(20px, 4vw, 32px);
  display: flex; gap: 22px; flex-wrap: wrap;
  font-family: var(--font-label); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
}
.quicknav a { color: var(--text-muted); text-decoration: none; }
.quicknav a:hover { color: var(--text-accent); }