/**
 * AURA HOME - Responsive Media Queries
 * Mobile Drawer, Touch Targets & Grid Adaptations
 */

/* Mobile Menu Drawer */
.mobile-drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(10, 42, 37, 0.6);
  backdrop-filter: blur(4px);
  z-index: var(--z-drawer);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.mobile-drawer-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 82%;
  max-width: 360px;
  height: 100vh;
  background: #FFFFFF;
  z-index: calc(var(--z-drawer) + 1);
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

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

.mobile-drawer-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-drawer-nav {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex-grow: 1;
}

.mobile-nav-link {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  padding: var(--space-2) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border-subtle);
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  color: var(--color-primary);
}

.mobile-drawer-footer {
  padding: var(--space-5);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-subtle);
}

/* Breakpoint: <= 1200px */
@media (max-width: 1200px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-brand {
    grid-column: span 3;
    max-width: 100%;
    margin-bottom: var(--space-4);
  }
}

/* Breakpoint: <= 992px */
@media (max-width: 992px) {
  .nav-links {
    display: none;
  }
  .hamburger-btn {
    display: flex;
  }
  .hero-section {
    background-position: center bottom;
    padding: var(--space-12) 0 var(--space-12);
  }
  .hero-section::before {
    background: linear-gradient(180deg, 
      rgba(3, 7, 18, 0.96) 0%, 
      rgba(3, 7, 18, 0.88) 55%, 
      rgba(3, 7, 18, 0.45) 85%,
      rgba(3, 7, 18, 0.2) 100%
    );
  }
  .hero-visual {
    min-height: 260px !important;
    align-items: center !important;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-8);
  }
  .hero-content {
    max-width: 100%;
    margin: 0 auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-trust-badges {
    justify-content: center;
  }
  .hero-floating-card {
    left: 10px;
    bottom: 10px;
  }
  .story-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .shop-layout {
    grid-template-columns: 1fr;
  }
  .shop-sidebar {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 85%;
    max-width: 340px;
    height: 100vh;
    z-index: var(--z-drawer);
    overflow-y: auto;
    border-radius: 0;
  }
  .shop-sidebar.active {
    display: block;
  }
  .mobile-filter-trigger {
    display: inline-flex;
  }
  .product-detail-layout {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .product-gallery-sticky {
    position: static;
  }
  .cart-layout {
    grid-template-columns: 1fr;
  }
}

/* Breakpoint: <= 768px */
@media (max-width: 768px) {
  :root {
    --header-height: 68px;
  }
  .container {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }
  .section {
    padding-top: var(--space-10);
    padding-bottom: var(--space-10);
  }
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }
  .category-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-brand {
    grid-column: span 1;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .footer-legal-links {
    flex-wrap: wrap;
    justify-content: center;
  }
  .story-stats {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .cart-item-row {
    grid-template-columns: 60px 1fr auto;
    gap: var(--space-3);
  }
  .cart-item-row .quantity-picker {
    grid-column: 2 / 3;
  }
  .cart-item-row .cart-item-remove {
    grid-column: 3 / 4;
  }
  /* Sticky bottom bar on mobile product detail */
  .sticky-mobile-bar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #FFFFFF;
    border-top: 1px solid var(--color-border);
    padding: var(--space-3) var(--space-4);
    z-index: calc(var(--z-sticky) - 1);
    box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.08);
    gap: var(--space-3);
  }
  .sticky-mobile-bar .btn {
    flex: 1;
    padding: 12px 16px;
    font-size: 0.9rem;
  }
}

/* Breakpoint: <= 430px (Small Mobile: iPhone 14 Pro, Pixel 7) */
@media (max-width: 430px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 2rem;
  }
  .newsletter-form {
    flex-direction: column;
  }
  .btn-lg {
    padding: 14px 20px;
    font-size: 0.95rem;
    width: 100%;
  }
}

/* Ultra Small: 320px - 375px */
@media (max-width: 375px) {
  .announcement-bar {
    font-size: 0.75rem;
    padding: 6px var(--space-2);
  }
  .brand-logo {
    font-size: 1.2rem;
  }
  .hero-actions .btn {
    width: 100%;
  }
}