/* Accessibility & polish — Phase 3 */

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--gutter);
  z-index: 1000;
  padding: 10px 16px;
  background: var(--accent);
  color: var(--accent-on);
  font-weight: 600;
  font-size: 14px;
  border-radius: var(--radius-md);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 12px;
  outline: 2px solid #fff;
  outline-offset: 2px;
}

/* Focus — visible ring on all interactive elements */
.btn:focus-visible,
.btn-icon:focus-visible,
.tab:focus-visible,
.pill:focus-visible,
.header-nav__link:focus-visible,
.nav-dropdown__item:focus-visible,
.sidebar__link:focus-visible,
.mobile-nav__link:focus-visible,
.cart-btn:focus-visible,
.menu-toggle:focus-visible,
.header-search-btn:focus-visible,
.search-result:focus-visible,
.faq-item__question:focus-visible,
.format-item:focus-visible,
.product-card__title a:focus-visible,
.product-card__media:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-color: var(--accent);
}

.footer-newsletter input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Contrast — bump muted text for WCAG AA on dark bg */
:root {
  --text-muted: #737373;
  --focus-ring: 2px solid var(--accent);
  --focus-offset: 2px;
}

/* Hover polish */
.btn--primary:hover {
  box-shadow: 0 4px 20px var(--accent-glow);
}

.product-card__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.35) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.product-card:hover .product-card__media::after {
  opacity: 1;
}

.access-mini-card {
  transition: border-color var(--transition), transform var(--transition);
}

.access-mini-card:hover {
  transform: translateY(-1px);
  border-color: var(--border-strong);
}

.pricing-card {
  transition: border-color var(--transition), transform var(--transition);
}

.pricing-card:hover {
  transform: translateY(-2px);
}

.pricing-card--featured:hover {
  border-color: var(--accent-hover);
}

.search-result:focus-visible {
  background: var(--bg-hover);
}

/* Live region (cart toast) */
.live-region {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 400;
  padding: 12px 20px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  font-size: 14px;
  transform: translateY(120%);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  pointer-events: none;
}

.live-region.is-visible {
  transform: translateY(0);
  opacity: 1;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .product-card:hover,
  .pricing-card:hover,
  .access-mini-card:hover {
    transform: none;
  }

  .product-card:hover .product-card__media img {
    transform: none;
  }
}

/* Mobile responsive polish */
@media (max-width: 900px) {
  .header-nav .btn--primary.btn--sm {
    display: none;
  }

  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .tabs {
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .tabs::-webkit-scrollbar { display: none; }

  .tab {
    flex-shrink: 0;
  }
}

@media (max-width: 768px) {
  .search-overlay {
    padding-top: 10vh;
    align-items: flex-start;
  }

  .live-region {
    left: var(--gutter);
    right: var(--gutter);
    bottom: 16px;
  }
}

/* Sidebar mobile overlay */
@media (max-width: 768px) {
  .sidebar.is-open {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 150;
    background: var(--bg-base);
    padding: calc(var(--header-h) + 16px) var(--gutter) var(--gutter);
    overflow-y: auto;
  }

  .sidebar.is-open::before {
    content: 'Filters';
    display: block;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
  }
}