/* ==========================================================================
   UpYou Responsive & Viewport Adjustments
   Breakpoints: 1200px, 1024px, 768px, 480px, 320px
   ========================================================================== */

/* Mobile Navigation Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 100%;
  max-width: 340px;
  background-color: var(--color-white);
  box-shadow: 10px 0 30px rgba(0, 0, 0, 0.1);
  z-index: 215;
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform var(--transition-smooth);
}

.mobile-nav-drawer.open {
  transform: translateX(0);
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav-body {
  padding: 24px;
  flex-grow: 1;
  overflow-y: auto;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-nav-link {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-charcoal);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
}

.mobile-sublinks {
  list-style: none;
  display: none;
  flex-direction: column;
  gap: 12px;
  padding-left: 16px;
  margin-top: 10px;
  border-left: 1px solid var(--color-border);
}

.mobile-nav-item.open .mobile-sublinks {
  display: flex;
}

.mobile-sublink {
  font-size: 14px;
  color: var(--color-grey);
}

.mobile-nav-footer {
  padding: 24px;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-ivory);
}

/* Large Screens (1200px and down) */
@media (max-width: 1200px) {
  .collections-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-top {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }

  .footer-top .footer-col-contact {
    grid-column: span 4;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
  }
}

/* Tablets (1024px and down) */
@media (max-width: 1024px) {
  .main-nav {
    display: none;
  }

  .mobile-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-charcoal);
  }

  .story-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .story-img-frame img {
    height: 380px;
  }

  .editorial-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }

  /* Product Detail Page Split */
  .pdp-grid {
    grid-template-columns: 1fr !important;
    gap: 40px !important;
  }
}

/* Small Tablets & Large Phones (768px and down) */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .section-padding {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .hero-section {
    min-height: 75vh;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .collections-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: span 2;
  }

  .footer-top .footer-col-contact {
    grid-column: span 2;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .search-results-grid {
    grid-template-columns: 1fr;
  }

  .cart-drawer {
    max-width: 100%;
  }

  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }
}

/* Small Phones (480px and down) */
@media (max-width: 480px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .brand-wordmark {
    font-size: 24px;
  }

  .announcement-bar {
    font-size: 10px;
    height: 32px;
  }

  .hero-section {
    min-height: 70vh;
  }

  .hero-title {
    font-size: 2.1rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
    padding: 13px 20px;
  }

  .products-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .pillars-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: span 1;
  }

  .footer-top .footer-col-contact {
    grid-column: span 1;
  }

  .newsletter-form {
    flex-direction: column;
  }
}

/* Ultra Small Viewports (320px) */
@media (max-width: 320px) {
  .hero-title {
    font-size: 1.85rem;
  }

  .brand-wordmark {
    font-size: 20px;
  }

  .action-btn {
    width: 30px;
    height: 30px;
  }
}

/* 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;
  }
}