/* ============================================================
   COPPER ISLAND COLLECTABLES — Main Stylesheet
   Color Palette: Deep Blue, Orange, Copper
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
  --blue-dark:    #1A3A5C;
  --blue-mid:     #2563EB;
  --blue-light:   #DBEAFE;
  --blue-bg:      #F0F5FF;
  --orange:       #F97316;
  --orange-dark:  #C2410C;
  --orange-light: #FED7AA;
  --copper:       #B87333;
  --copper-dark:  #8B5523;
  --copper-light: #D4956A;
  --copper-bg:    #FDF3E7;
  --white:        #FFFFFF;
  --gray-50:      #F8FAFC;
  --gray-100:     #F1F5F9;
  --gray-200:     #E2E8F0;
  --gray-300:     #CBD5E1;
  --gray-400:     #94A3B8;
  --gray-500:     #64748B;
  --gray-600:     #475569;
  --gray-700:     #334155;
  --gray-800:     #1E293B;
  --gray-900:     #0F172A;
  --shadow-xs:    0 1px 2px rgba(0,0,0,0.05);
  --shadow-sm:    0 2px 4px rgba(0,0,0,0.08);
  --shadow:       0 4px 12px rgba(0,0,0,0.10);
  --shadow-md:    0 8px 24px rgba(0,0,0,0.12);
  --shadow-lg:    0 16px 40px rgba(0,0,0,0.16);
  --radius-xs:    4px;
  --radius-sm:    6px;
  --radius:       10px;
  --radius-lg:    16px;
  --radius-xl:    24px;
  --radius-full:  9999px;
  --transition:   0.2s ease;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--blue-bg);
  color: var(--gray-800);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; font-family: var(--font-body); }
ul, ol { list-style: none; }
input, select, textarea { font-family: var(--font-body); }

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5 { font-family: var(--font-heading); line-height: 1.25; color: var(--blue-dark); }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 700; }
h3 { font-size: clamp(1.125rem, 2vw, 1.5rem); font-weight: 600; }
h4 { font-size: 1.125rem; font-weight: 600; }
p { color: var(--gray-600); }

/* ---------- Utilities ---------- */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1440px; margin: 0 auto; padding: 0 24px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.grid { display: grid; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }
.gap-4 { gap: 32px; }
.text-center { text-align: center; }
.text-copper { color: var(--copper); }
.text-orange { color: var(--orange); }
.text-blue { color: var(--blue-dark); }
.font-heading { font-family: var(--font-heading); }
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 10px; border-radius: var(--radius-full);
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.03em;
}
.badge-orange { background: var(--orange-light); color: var(--orange-dark); }
.badge-blue   { background: var(--blue-light);   color: var(--blue-dark);   }
.badge-copper { background: var(--copper-bg);     color: var(--copper-dark); }

/* ============================================================
   HEADER & NAVIGATION
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: var(--blue-dark);
  box-shadow: 0 2px 20px rgba(26, 58, 92, 0.4);
}
.header-top {
  display: flex; align-items: center; gap: 20px;
  height: 72px; padding: 0 32px;
}
.header-logo {
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0; text-decoration: none;
}
.header-logo .logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--copper), var(--orange));
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem;
}
.header-logo .logo-text {
  font-family: var(--font-heading);
  font-size: 1.2rem; font-weight: 700;
  color: var(--white); line-height: 1.15;
}
.header-logo .logo-sub {
  font-size: 0.65rem; font-weight: 400;
  color: var(--copper-light); letter-spacing: 0.08em; text-transform: uppercase;
}

.header-search {
  flex: 1; max-width: 520px;
  display: flex; align-items: center;
  background: rgba(255,255,255,0.12);
  border: 1.5px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-full);
  padding: 0 16px; height: 42px;
  transition: all var(--transition);
}
.header-search:focus-within {
  background: var(--white);
  border-color: var(--copper);
}
.header-search input {
  flex: 1; background: transparent; border: none; outline: none;
  font-size: 0.9rem; color: var(--white);
}
.header-search:focus-within input { color: var(--gray-800); }
.header-search input::placeholder { color: rgba(255,255,255,0.55); }
.header-search:focus-within input::placeholder { color: var(--gray-400); }
.header-search button {
  background: none; border: none; color: rgba(255,255,255,0.7);
  font-size: 1rem; padding: 0 4px;
  transition: color var(--transition);
}
.header-search:focus-within button { color: var(--copper); }

.header-actions {
  display: flex; align-items: center; gap: 8px; flex-shrink: 0;
}
.header-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: var(--radius-full);
  font-size: 0.875rem; font-weight: 500;
  border: none; transition: all var(--transition);
}
.header-btn-ghost {
  background: transparent; color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.3);
}
.header-btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.5);
}
.header-btn-primary {
  background: linear-gradient(135deg, var(--copper), var(--orange));
  color: var(--white); border: none;
}
.header-btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }

.cart-btn {
  position: relative;
  background: rgba(255,255,255,0.12); border: 1.5px solid rgba(255,255,255,0.2);
  color: var(--white); border-radius: var(--radius-full);
  padding: 8px 14px; font-size: 1rem;
  transition: all var(--transition);
}
.cart-btn:hover { background: rgba(255,255,255,0.2); }
.cart-count {
  position: absolute; top: -6px; right: -6px;
  background: var(--orange); color: var(--white);
  font-size: 0.65rem; font-weight: 700;
  width: 18px; height: 18px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--blue-dark);
}

.header-nav {
  background: rgba(255,255,255,0.06);
  border-top: 1px solid rgba(255,255,255,0.1);
}
.nav-list {
  display: flex; align-items: center; gap: 0;
  padding: 0 32px; height: 44px;
}
.nav-item { position: relative; }
.nav-link {
  display: flex; align-items: center; gap: 5px;
  padding: 0 16px; height: 44px;
  color: rgba(255,255,255,0.8);
  font-size: 0.875rem; font-weight: 500;
  transition: color var(--transition);
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active { color: var(--white); }
.nav-link.active::after {
  content: '';
  position: absolute; bottom: 0; left: 16px; right: 16px;
  height: 2px; background: var(--copper);
  border-radius: 2px 2px 0 0;
}
.nav-dropdown {
  position: absolute; top: calc(100% + 4px); left: 0;
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); min-width: 220px;
  opacity: 0; pointer-events: none; transform: translateY(-8px);
  transition: all var(--transition);
  border: 1px solid var(--gray-200);
  z-index: 100;
}
.nav-item:hover .nav-dropdown {
  opacity: 1; pointer-events: all; transform: translateY(0);
}
.nav-dropdown a {
  display: block; padding: 10px 16px;
  font-size: 0.875rem; color: var(--gray-700);
  transition: all var(--transition);
}
.nav-dropdown a:hover {
  background: var(--blue-bg); color: var(--blue-dark);
  padding-left: 22px;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  background: linear-gradient(135deg, var(--blue-dark) 0%, #243f6e 40%, #1e3a5c 70%, #2d1f0e 100%);
  padding: 80px 0 100px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
  position: relative; z-index: 1;
}
.hero-content {}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(184, 115, 51, 0.2);
  border: 1px solid rgba(184, 115, 51, 0.4);
  color: var(--copper-light);
  padding: 6px 14px; border-radius: var(--radius-full);
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.05em;
  text-transform: uppercase; margin-bottom: 20px;
}
.hero h1 { color: var(--white); margin-bottom: 20px; }
.hero h1 span { color: var(--copper-light); }
.hero-desc {
  font-size: 1.1rem; color: rgba(255,255,255,0.75);
  margin-bottom: 36px; line-height: 1.7;
}
.hero-actions {
  display: flex; gap: 14px; flex-wrap: wrap;
}
.btn-hero-primary {
  background: linear-gradient(135deg, var(--copper), var(--orange));
  color: var(--white); border: none;
  padding: 14px 32px; border-radius: var(--radius-full);
  font-size: 1rem; font-weight: 600;
  box-shadow: 0 4px 20px rgba(249, 115, 22, 0.4);
  transition: all var(--transition);
}
.btn-hero-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 28px rgba(249, 115, 22, 0.5); }
.btn-hero-secondary {
  background: rgba(255,255,255,0.1);
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.3);
  padding: 14px 32px; border-radius: var(--radius-full);
  font-size: 1rem; font-weight: 500;
  transition: all var(--transition);
}
.btn-hero-secondary:hover { background: rgba(255,255,255,0.18); border-color: rgba(255,255,255,0.5); }

.hero-stats {
  display: flex; gap: 32px; margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.hero-stat-num {
  font-family: var(--font-heading); font-size: 1.75rem; font-weight: 700;
  color: var(--white);
}
.hero-stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.55); margin-top: 2px; }

.hero-visual {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.hero-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  overflow: hidden; transition: transform var(--transition);
}
.hero-card:hover { transform: translateY(-4px); }
.hero-card:nth-child(1) { grid-column: span 2; }
.hero-card img { width: 100%; height: 180px; object-fit: cover; }
.hero-card:nth-child(1) img { height: 220px; }
.hero-card-label {
  padding: 12px 14px;
  font-size: 0.8rem; font-weight: 600; color: rgba(255,255,255,0.8);
}

/* ============================================================
   SECTION HEADERS
   ============================================================ */
.section { padding: 72px 0; }
.section-sm { padding: 48px 0; }
.section-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-bottom: 40px;
}
.section-header-left {}
.section-eyebrow {
  font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--copper); margin-bottom: 8px;
}
.section-title { color: var(--blue-dark); margin-bottom: 8px; }
.section-desc { color: var(--gray-500); font-size: 0.95rem; }
.see-all-link {
  display: flex; align-items: center; gap: 6px;
  color: var(--blue-mid); font-size: 0.875rem; font-weight: 600;
  transition: gap var(--transition);
  white-space: nowrap;
}
.see-all-link:hover { gap: 10px; color: var(--copper); }

/* ============================================================
   CATEGORY CARDS
   ============================================================ */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 20px;
}
.category-card {
  background: var(--white); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: all var(--transition); cursor: pointer;
  text-decoration: none; display: block;
}
.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--copper-light);
}
.category-card-img {
  height: 140px; overflow: hidden; position: relative;
}
.category-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
.category-card:hover .category-card-img img { transform: scale(1.05); }
.category-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(26,58,92,0.7));
}
.category-card-body { padding: 14px 16px; }
.category-card-icon { font-size: 1.5rem; margin-bottom: 6px; }
.category-card-name {
  font-family: var(--font-heading); font-size: 1rem; font-weight: 700;
  color: var(--blue-dark); margin-bottom: 2px;
}
.category-card-count { font-size: 0.78rem; color: var(--gray-400); }

/* ============================================================
   PRODUCT CARDS
   ============================================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 24px;
}
.product-card {
  background: var(--white); border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-xs);
  transition: all var(--transition); overflow: hidden;
  text-decoration: none; display: block; position: relative;
}
.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--copper-light);
}
.product-card-img {
  height: 210px; overflow: hidden; position: relative;
  background: var(--gray-100);
}
.product-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.35s ease; }
.product-card:hover .product-card-img img { transform: scale(1.06); }
.product-card-badge {
  position: absolute; top: 10px; left: 10px;
}
.product-card-wishlist {
  position: absolute; top: 10px; right: 10px;
  background: var(--white); border: none;
  width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; box-shadow: var(--shadow-sm);
  transition: all var(--transition); opacity: 0;
  cursor: pointer;
}
.product-card:hover .product-card-wishlist { opacity: 1; }
.product-card-wishlist:hover { background: var(--orange); color: var(--white); }

.product-card-body { padding: 16px; }
.product-card-brand {
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--copper); margin-bottom: 5px;
}
.product-card-name {
  font-size: 0.95rem; font-weight: 600;
  color: var(--gray-800); line-height: 1.35;
  margin-bottom: 8px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-card-rating {
  display: flex; align-items: center; gap: 5px;
  margin-bottom: 10px;
}
.stars { color: var(--orange); font-size: 0.75rem; letter-spacing: 1px; }
.rating-count { font-size: 0.72rem; color: var(--gray-400); }

.product-card-pricing {
  display: flex; align-items: baseline; gap: 8px;
}
.price-wholesale {
  font-size: 1.05rem; font-weight: 700; color: var(--blue-dark);
}
.price-retail {
  font-size: 0.8rem; color: var(--gray-400); text-decoration: line-through;
}
.price-unit { font-size: 0.72rem; color: var(--gray-400); }

.product-card-footer {
  padding: 12px 16px; border-top: 1px solid var(--gray-100);
  display: flex; align-items: center; justify-content: space-between;
}
.min-order { font-size: 0.72rem; color: var(--gray-400); }
.btn-add-cart {
  background: var(--blue-dark); color: var(--white);
  border: none; border-radius: var(--radius-sm);
  padding: 6px 14px; font-size: 0.78rem; font-weight: 600;
  transition: all var(--transition);
}
.btn-add-cart:hover { background: var(--copper); }

/* ============================================================
   BRAND CARDS
   ============================================================ */
.brands-scroll {
  display: flex; gap: 20px; overflow-x: auto;
  padding-bottom: 8px; scroll-snap-type: x mandatory;
  scrollbar-width: thin; scrollbar-color: var(--gray-300) transparent;
}
.brands-scroll::-webkit-scrollbar { height: 4px; }
.brands-scroll::-webkit-scrollbar-track { background: transparent; }
.brands-scroll::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 2px; }

.brand-card {
  flex-shrink: 0; scroll-snap-align: start;
  width: 240px; background: var(--white);
  border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-xs);
  transition: all var(--transition);
  text-decoration: none; display: block;
}
.brand-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--copper-light); }
.brand-card-cover { height: 100px; overflow: hidden; }
.brand-card-cover img { width: 100%; height: 100%; object-fit: cover; }
.brand-card-body { padding: 16px; }
.brand-card-logo {
  width: 48px; height: 48px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--blue-dark), var(--blue-mid));
  color: var(--white); font-family: var(--font-heading);
  font-size: 1.1rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin-top: -28px; margin-bottom: 10px;
  border: 3px solid var(--white); box-shadow: var(--shadow-sm);
}
.brand-card-name {
  font-family: var(--font-heading); font-size: 1rem; font-weight: 700;
  color: var(--blue-dark); margin-bottom: 2px;
}
.brand-card-cat { font-size: 0.75rem; color: var(--copper); font-weight: 600; margin-bottom: 6px; }
.brand-card-loc { font-size: 0.75rem; color: var(--gray-400); }

.brands-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 24px; border-radius: var(--radius-full);
  font-size: 0.9rem; font-weight: 600; border: none;
  transition: all var(--transition); cursor: pointer;
}
.btn-primary { background: var(--blue-dark); color: var(--white); }
.btn-primary:hover { background: #243f6e; transform: translateY(-1px); }
.btn-copper { background: linear-gradient(135deg, var(--copper), var(--orange)); color: var(--white); }
.btn-copper:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-orange { background: var(--orange); color: var(--white); }
.btn-orange:hover { background: var(--orange-dark); transform: translateY(-1px); }
.btn-outline {
  background: transparent; color: var(--blue-dark);
  border: 1.5px solid var(--blue-dark);
}
.btn-outline:hover { background: var(--blue-dark); color: var(--white); }
.btn-outline-copper {
  background: transparent; color: var(--copper);
  border: 1.5px solid var(--copper);
}
.btn-outline-copper:hover { background: var(--copper); color: var(--white); }
.btn-sm { padding: 7px 18px; font-size: 0.82rem; }
.btn-lg { padding: 15px 36px; font-size: 1rem; }
.btn-full { width: 100%; }

/* ============================================================
   PROMO BANNER
   ============================================================ */
.promo-banner {
  background: linear-gradient(135deg, var(--copper-dark) 0%, var(--copper) 50%, var(--orange-dark) 100%);
  padding: 60px 0;
}
.promo-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 48px; align-items: center;
}
.promo-content h2 { color: var(--white); margin-bottom: 12px; }
.promo-content p { color: rgba(255,255,255,0.8); font-size: 1.05rem; margin-bottom: 28px; }
.promo-features { display: flex; flex-direction: column; gap: 12px; }
.promo-feature {
  display: flex; align-items: center; gap: 12px;
  color: rgba(255,255,255,0.9); font-size: 0.9rem;
}
.promo-feature-icon {
  width: 32px; height: 32px; border-radius: 50%;
  background: rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; flex-shrink: 0;
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how-it-works { background: var(--white); }
.steps-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 40px; margin-top: 16px;
}
.step { text-align: center; padding: 32px 24px; }
.step-number {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--blue-dark); color: var(--white);
  font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
}
.step-icon {
  font-size: 2.5rem; margin-bottom: 16px;
}
.step h3 { color: var(--blue-dark); margin-bottom: 10px; }
.step p { font-size: 0.9rem; }

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.testimonial-card {
  background: var(--white); border-radius: var(--radius-lg);
  padding: 28px; border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-xs);
}
.testimonial-stars { color: var(--orange); font-size: 1rem; letter-spacing: 3px; margin-bottom: 14px; }
.testimonial-text { font-size: 0.95rem; color: var(--gray-700); line-height: 1.7; margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: linear-gradient(135deg, var(--copper), var(--orange));
  color: var(--white); font-family: var(--font-heading);
  font-size: 1rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.testimonial-name { font-size: 0.875rem; font-weight: 700; color: var(--gray-800); }
.testimonial-role { font-size: 0.75rem; color: var(--gray-400); }

/* ============================================================
   NEWSLETTER
   ============================================================ */
.newsletter-section {
  background: var(--blue-dark);
  padding: 72px 0; text-align: center;
}
.newsletter-section h2 { color: var(--white); margin-bottom: 12px; }
.newsletter-section p { color: rgba(255,255,255,0.65); margin-bottom: 32px; }
.newsletter-form {
  display: flex; gap: 12px; max-width: 480px; margin: 0 auto;
}
.newsletter-form input {
  flex: 1; padding: 13px 20px;
  border: 1.5px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-full);
  color: var(--white); font-size: 0.9rem; outline: none;
  transition: border-color var(--transition);
}
.newsletter-form input::placeholder { color: rgba(255,255,255,0.4); }
.newsletter-form input:focus { border-color: var(--copper-light); }
.newsletter-form button {
  background: linear-gradient(135deg, var(--copper), var(--orange));
  color: var(--white); border: none;
  padding: 13px 28px; border-radius: var(--radius-full);
  font-size: 0.9rem; font-weight: 600; white-space: nowrap;
  transition: opacity var(--transition);
}
.newsletter-form button:hover { opacity: 0.9; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--gray-900);
  color: rgba(255,255,255,0.65);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 48px;
}
.footer-brand .logo-text { color: var(--white); font-size: 1.15rem; }
.footer-brand .logo-sub { color: var(--copper-light); }
.footer-tagline {
  font-size: 0.875rem; color: rgba(255,255,255,0.5);
  margin-top: 14px; line-height: 1.65;
}
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.social-btn {
  width: 36px; height: 36px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.6); font-size: 0.9rem;
  transition: all var(--transition); text-decoration: none;
}
.social-btn:hover { background: var(--copper); color: var(--white); }

.footer-col h4 {
  color: var(--white); font-family: var(--font-body);
  font-size: 0.82rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  font-size: 0.875rem; color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--copper-light); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 28px;
  display: flex; align-items: center; justify-content: space-between;
}
.footer-copy { font-size: 0.8rem; color: rgba(255,255,255,0.35); }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { font-size: 0.8rem; color: rgba(255,255,255,0.35); transition: color var(--transition); }
.footer-legal a:hover { color: var(--copper-light); }

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  background: linear-gradient(135deg, var(--blue-dark), #243f6e);
  padding: 48px 0;
}
.page-hero h1 { color: var(--white); font-size: clamp(1.5rem, 3vw, 2.25rem); }
.page-hero p { color: rgba(255,255,255,0.65); margin-top: 8px; }
.breadcrumb {
  display: flex; align-items: center; gap: 6px;
  margin-bottom: 12px;
  font-size: 0.8rem;
}
.breadcrumb a { color: rgba(255,255,255,0.5); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--copper-light); }
.breadcrumb span { color: rgba(255,255,255,0.3); }
.breadcrumb .current { color: rgba(255,255,255,0.8); }

/* ============================================================
   CATEGORY PAGE LAYOUT
   ============================================================ */
.shop-layout {
  display: grid; grid-template-columns: 260px 1fr;
  gap: 32px; padding: 40px 0 80px;
  align-items: start;
}
.filter-sidebar {
  position: sticky; top: 130px;
  background: var(--white); border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200); padding: 24px;
  box-shadow: var(--shadow-xs);
}
.filter-sidebar h3 {
  font-family: var(--font-body); font-size: 0.82rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.07em;
  color: var(--gray-500); margin-bottom: 16px;
  padding-bottom: 12px; border-bottom: 1px solid var(--gray-200);
}
.filter-group { margin-bottom: 24px; }
.filter-group h4 {
  font-family: var(--font-body); font-size: 0.875rem; font-weight: 600;
  color: var(--gray-700); margin-bottom: 12px;
}
.filter-option {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 0; cursor: pointer; transition: color var(--transition);
}
.filter-option:hover { color: var(--blue-mid); }
.filter-option input { accent-color: var(--copper); }
.filter-option label { font-size: 0.875rem; cursor: pointer; }
.filter-option .count { margin-left: auto; font-size: 0.72rem; color: var(--gray-400); }

.price-range { margin-top: 8px; }
.price-range input[type="range"] {
  width: 100%; accent-color: var(--copper);
  background: transparent;
}
.price-labels {
  display: flex; justify-content: space-between;
  font-size: 0.75rem; color: var(--gray-500); margin-top: 6px;
}

.shop-main {}
.shop-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px; padding: 14px 20px;
  background: var(--white); border-radius: var(--radius);
  border: 1px solid var(--gray-200);
}
.results-count { font-size: 0.875rem; color: var(--gray-500); }
.results-count span { font-weight: 600; color: var(--gray-800); }
.sort-select {
  padding: 8px 32px 8px 12px; border-radius: var(--radius-sm);
  border: 1.5px solid var(--gray-200); font-size: 0.875rem;
  color: var(--gray-700); background: var(--white);
  outline: none; cursor: pointer; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center;
}

/* active filters */
.active-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.filter-tag {
  display: flex; align-items: center; gap: 6px;
  background: var(--blue-light); color: var(--blue-dark);
  padding: 4px 10px; border-radius: var(--radius-full);
  font-size: 0.78rem; font-weight: 600;
}
.filter-tag button {
  background: none; border: none; color: var(--blue-mid);
  font-size: 0.8rem; padding: 0; line-height: 1;
  transition: color var(--transition);
}
.filter-tag button:hover { color: var(--orange); }

/* pagination */
.pagination {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  margin-top: 48px;
}
.page-btn {
  width: 38px; height: 38px; border-radius: var(--radius-sm);
  border: 1.5px solid var(--gray-200); background: var(--white);
  font-size: 0.875rem; color: var(--gray-600);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.page-btn:hover, .page-btn.active {
  background: var(--blue-dark); border-color: var(--blue-dark); color: var(--white);
}
.page-btn.active { pointer-events: none; }

/* ============================================================
   PRODUCT DETAIL PAGE
   ============================================================ */
.product-detail { padding: 48px 0 80px; }
.product-detail-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; margin-bottom: 64px;
}
.product-gallery {}
.main-image {
  border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--gray-200); margin-bottom: 12px;
  aspect-ratio: 4/3; background: var(--gray-100);
}
.main-image img { width: 100%; height: 100%; object-fit: cover; }
.thumb-strip { display: flex; gap: 10px; }
.thumb {
  width: 72px; height: 72px; border-radius: var(--radius-sm);
  overflow: hidden; border: 2px solid transparent;
  cursor: pointer; transition: border-color var(--transition);
  flex-shrink: 0;
}
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb.active { border-color: var(--copper); }
.thumb:hover { border-color: var(--gray-400); }

.product-info {}
.product-info-brand {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.07em;
  text-transform: uppercase; color: var(--copper); margin-bottom: 8px;
}
.product-info h1 { font-size: clamp(1.4rem, 2.5vw, 2rem); margin-bottom: 12px; }
.product-info-rating {
  display: flex; align-items: center; gap: 8px; margin-bottom: 20px;
}
.product-info-rating .stars { font-size: 0.9rem; }
.product-info-rating .rating-text { font-size: 0.85rem; color: var(--gray-500); }

.pricing-block {
  background: var(--blue-bg); border-radius: var(--radius);
  padding: 20px; margin-bottom: 24px;
  border: 1px solid var(--blue-light);
}
.pricing-row { display: flex; align-items: baseline; gap: 10px; }
.price-main { font-size: 2rem; font-weight: 700; color: var(--blue-dark); font-family: var(--font-heading); }
.price-original { font-size: 1rem; color: var(--gray-400); text-decoration: line-through; }
.price-save { font-size: 0.8rem; font-weight: 600; color: var(--orange); background: var(--orange-light); padding: 2px 8px; border-radius: var(--radius-full); }
.pricing-note { font-size: 0.78rem; color: var(--gray-500); margin-top: 8px; }

.product-variants { margin-bottom: 24px; }
.variant-label { font-size: 0.82rem; font-weight: 600; color: var(--gray-700); margin-bottom: 10px; }
.variant-options { display: flex; flex-wrap: wrap; gap: 8px; }
.variant-btn {
  padding: 7px 16px; border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-sm); font-size: 0.82rem;
  background: var(--white); color: var(--gray-700);
  cursor: pointer; transition: all var(--transition);
}
.variant-btn:hover { border-color: var(--copper); color: var(--copper); }
.variant-btn.active { border-color: var(--blue-dark); background: var(--blue-dark); color: var(--white); }

.qty-cart { display: flex; gap: 12px; margin-bottom: 24px; align-items: center; }
.qty-control {
  display: flex; align-items: center; gap: 0;
  border: 1.5px solid var(--gray-300); border-radius: var(--radius-sm);
  overflow: hidden;
}
.qty-control button {
  width: 38px; height: 44px; border: none;
  background: var(--gray-100); color: var(--gray-700); font-size: 1.1rem;
  transition: all var(--transition);
}
.qty-control button:hover { background: var(--blue-dark); color: var(--white); }
.qty-control input {
  width: 52px; height: 44px; border: none; text-align: center;
  font-size: 0.95rem; font-weight: 600; color: var(--gray-800);
  border-left: 1.5px solid var(--gray-300); border-right: 1.5px solid var(--gray-300);
  outline: none;
}

.product-meta { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }
.meta-row { display: flex; gap: 8px; font-size: 0.85rem; }
.meta-label { color: var(--gray-400); min-width: 90px; }
.meta-value { color: var(--gray-700); font-weight: 500; }

/* product tabs */
.product-tabs { border-bottom: 1px solid var(--gray-200); margin-bottom: 32px; display: flex; gap: 0; }
.product-tab {
  padding: 14px 24px; border: none; background: transparent;
  font-size: 0.9rem; font-weight: 600; color: var(--gray-500);
  cursor: pointer; border-bottom: 2px solid transparent;
  transition: all var(--transition); margin-bottom: -1px;
}
.product-tab.active { color: var(--blue-dark); border-bottom-color: var(--copper); }
.product-tab:hover { color: var(--blue-dark); }

.tab-content { display: none; }
.tab-content.active { display: block; }
.spec-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.spec-table tr:nth-child(even) td { background: var(--gray-50); }
.spec-table td { padding: 10px 16px; color: var(--gray-700); border-bottom: 1px solid var(--gray-200); }
.spec-table td:first-child { font-weight: 600; color: var(--gray-800); width: 40%; }

/* reviews */
.review-item { border-bottom: 1px solid var(--gray-200); padding: 20px 0; }
.review-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.reviewer-name { font-weight: 600; font-size: 0.9rem; color: var(--gray-800); }
.review-date { font-size: 0.78rem; color: var(--gray-400); }
.review-text { font-size: 0.875rem; color: var(--gray-600); line-height: 1.65; }

/* ============================================================
   BRAND PAGE
   ============================================================ */
.brand-hero {
  height: 280px; background: linear-gradient(135deg, var(--blue-dark), #243f6e);
  position: relative; display: flex; align-items: flex-end;
}
.brand-hero-cover { position: absolute; inset: 0; }
.brand-hero-cover img { width: 100%; height: 100%; object-fit: cover; }
.brand-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(26,58,92,0.92) 30%, rgba(26,58,92,0.4) 100%);
}
.brand-hero-content {
  position: relative; z-index: 1;
  width: 100%; padding: 32px;
  display: flex; align-items: flex-end; gap: 24px;
}
.brand-logo-large {
  width: 80px; height: 80px; border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--copper), var(--orange));
  color: var(--white); font-family: var(--font-heading);
  font-size: 1.8rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  border: 3px solid var(--white); box-shadow: var(--shadow-md);
  flex-shrink: 0;
}
.brand-hero-info h1 {
  color: var(--white); font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin-bottom: 6px;
}
.brand-hero-meta { display: flex; gap: 20px; flex-wrap: wrap; }
.brand-hero-meta span { font-size: 0.8rem; color: rgba(255,255,255,0.7); }

.brand-content { padding: 48px 0 80px; }
.brand-content-grid { display: grid; grid-template-columns: 1fr 300px; gap: 40px; align-items: start; }
.brand-products {}
.brand-sidebar {
  background: var(--white); border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200); padding: 24px;
  position: sticky; top: 130px;
}
.brand-sidebar h3 { font-family: var(--font-body); font-size: 0.9rem; font-weight: 700; color: var(--gray-800); margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--gray-200); }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 20px; }
.stat-item { background: var(--blue-bg); border-radius: var(--radius-sm); padding: 14px; text-align: center; }
.stat-num { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 700; color: var(--blue-dark); }
.stat-lbl { font-size: 0.7rem; color: var(--gray-400); margin-top: 2px; }

/* ============================================================
   CART PAGE
   ============================================================ */
.cart-page { padding: 48px 0 80px; }
.cart-grid { display: grid; grid-template-columns: 1fr 360px; gap: 32px; align-items: start; }
.cart-items {}
.cart-item {
  display: flex; gap: 20px; padding: 20px 0;
  border-bottom: 1px solid var(--gray-200);
}
.cart-item-img {
  width: 96px; height: 96px; border-radius: var(--radius);
  overflow: hidden; border: 1px solid var(--gray-200); flex-shrink: 0;
}
.cart-item-img img { width: 100%; height: 100%; object-fit: cover; }
.cart-item-info { flex: 1; }
.cart-item-brand { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--copper); margin-bottom: 4px; }
.cart-item-name { font-size: 0.95rem; font-weight: 600; color: var(--gray-800); margin-bottom: 8px; }
.cart-item-variant { font-size: 0.78rem; color: var(--gray-400); }
.cart-item-controls { display: flex; align-items: center; justify-content: space-between; margin-top: 12px; }
.cart-item-price { font-size: 1.1rem; font-weight: 700; color: var(--blue-dark); }
.cart-remove { background: none; border: none; color: var(--gray-400); font-size: 0.8rem; cursor: pointer; transition: color var(--transition); }
.cart-remove:hover { color: var(--orange); }

.order-summary {
  background: var(--white); border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200); padding: 28px;
  position: sticky; top: 130px;
  box-shadow: var(--shadow-xs);
}
.order-summary h3 { font-family: var(--font-body); font-size: 1rem; font-weight: 700; color: var(--gray-800); margin-bottom: 20px; padding-bottom: 14px; border-bottom: 1px solid var(--gray-200); }
.summary-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; font-size: 0.875rem; }
.summary-row .label { color: var(--gray-500); }
.summary-row .value { font-weight: 600; color: var(--gray-800); }
.summary-total { border-top: 1px solid var(--gray-200); margin-top: 16px; padding-top: 16px; }
.summary-total .label { font-size: 1rem; font-weight: 700; color: var(--gray-800); }
.summary-total .value { font-size: 1.2rem; font-weight: 700; color: var(--blue-dark); }
.promo-input-row { display: flex; gap: 8px; margin: 16px 0; }
.promo-input-row input {
  flex: 1; padding: 9px 14px; border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-sm); font-size: 0.85rem; outline: none;
  transition: border-color var(--transition);
}
.promo-input-row input:focus { border-color: var(--copper); }
.promo-input-row button {
  padding: 9px 16px; background: var(--blue-dark); color: var(--white);
  border: none; border-radius: var(--radius-sm); font-size: 0.82rem; font-weight: 600;
  transition: background var(--transition);
}
.promo-input-row button:hover { background: var(--copper); }
.cart-empty { text-align: center; padding: 80px 0; }
.cart-empty-icon { font-size: 4rem; margin-bottom: 20px; }
.cart-empty h2 { color: var(--blue-dark); margin-bottom: 10px; }
.cart-empty p { color: var(--gray-400); margin-bottom: 28px; }

/* ============================================================
   ABOUT / FAQ PAGE
   ============================================================ */
.about-hero {
  background: linear-gradient(135deg, var(--blue-dark) 0%, #243f6e 60%, var(--copper-dark) 100%);
  padding: 80px 0;
}
.about-hero h1 { color: var(--white); }
.about-hero p { color: rgba(255,255,255,0.7); font-size: 1.1rem; margin-top: 12px; max-width: 600px; }
.about-mission { padding: 80px 0; }
.about-mission-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-mission-img { border-radius: var(--radius-xl); overflow: hidden; }
.about-mission-img img { width: 100%; height: 380px; object-fit: cover; }
.about-mission-content h2 { margin-bottom: 16px; }
.about-mission-content p { margin-bottom: 16px; line-height: 1.75; }
.values-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 24px; margin-top: 48px; }
.value-card { background: var(--white); border-radius: var(--radius-lg); padding: 28px 24px; text-align: center; border: 1px solid var(--gray-200); box-shadow: var(--shadow-xs); }
.value-icon { font-size: 2.2rem; margin-bottom: 14px; }
.value-card h3 { font-size: 1rem; margin-bottom: 8px; }
.value-card p { font-size: 0.875rem; }
.faq-section { background: var(--white); padding: 80px 0; }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 48px; }
.faq-item { border-bottom: 1px solid var(--gray-200); }
.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0; cursor: pointer; width: 100%; background: transparent; border: none;
  font-size: 0.95rem; font-weight: 600; color: var(--gray-800);
  text-align: left; gap: 12px; transition: color var(--transition);
}
.faq-question:hover { color: var(--blue-dark); }
.faq-question .chevron { font-size: 0.8rem; color: var(--gray-400); transition: transform var(--transition); flex-shrink: 0; }
.faq-item.open .chevron { transform: rotate(180deg); }
.faq-answer { font-size: 0.875rem; color: var(--gray-600); line-height: 1.7; padding-bottom: 18px; display: none; }
.faq-item.open .faq-answer { display: block; }

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(15,23,42,0.6); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity var(--transition);
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--white); border-radius: var(--radius-xl);
  padding: 40px; width: 100%; max-width: 440px;
  box-shadow: var(--shadow-lg); position: relative;
  transform: translateY(20px); transition: transform var(--transition);
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-close {
  position: absolute; top: 16px; right: 16px;
  background: var(--gray-100); border: none; color: var(--gray-500);
  width: 32px; height: 32px; border-radius: 50%;
  font-size: 1rem; display: flex; align-items: center; justify-content: center;
  transition: all var(--transition); cursor: pointer;
}
.modal-close:hover { background: var(--gray-200); color: var(--gray-900); }
.modal-logo { text-align: center; margin-bottom: 28px; }
.modal h2 { font-size: 1.5rem; margin-bottom: 6px; }
.modal p { font-size: 0.875rem; color: var(--gray-500); margin-bottom: 28px; }
.modal-tabs { display: flex; background: var(--gray-100); border-radius: var(--radius-sm); padding: 4px; margin-bottom: 24px; }
.modal-tab {
  flex: 1; padding: 8px; border: none; background: transparent;
  border-radius: var(--radius-xs); font-size: 0.875rem; font-weight: 600;
  color: var(--gray-500); transition: all var(--transition); cursor: pointer;
}
.modal-tab.active { background: var(--white); color: var(--blue-dark); box-shadow: var(--shadow-xs); }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--gray-700); margin-bottom: 6px; }
.form-group input {
  width: 100%; padding: 11px 14px; border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-sm); font-size: 0.9rem; outline: none;
  transition: border-color var(--transition);
}
.form-group input:focus { border-color: var(--copper); }
.modal-divider { display: flex; align-items: center; gap: 12px; margin: 20px 0; }
.modal-divider::before, .modal-divider::after { content: ''; flex: 1; height: 1px; background: var(--gray-200); }
.modal-divider span { font-size: 0.78rem; color: var(--gray-400); }

/* ============================================================
   TOAST / NOTIFICATIONS
   ============================================================ */
.toast-container {
  position: fixed; bottom: 24px; right: 24px; z-index: 9999;
  display: flex; flex-direction: column; gap: 10px;
}
.toast {
  background: var(--gray-900); color: var(--white);
  padding: 14px 20px; border-radius: var(--radius);
  font-size: 0.875rem; display: flex; align-items: center; gap: 10px;
  box-shadow: var(--shadow-lg);
  animation: slideInUp 0.3s ease; max-width: 320px;
}
.toast.success { border-left: 3px solid #22c55e; }
.toast.error   { border-left: 3px solid var(--orange); }
.toast.info    { border-left: 3px solid var(--blue-mid); }
@keyframes slideInUp {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .shop-layout { grid-template-columns: 220px 1fr; gap: 24px; }
  .brand-content-grid { grid-template-columns: 1fr 260px; }
  .hero-inner { gap: 40px; }
  .steps-grid { gap: 24px; }
}
@media (max-width: 768px) {
  .header-top { padding: 0 16px; gap: 12px; }
  .header-logo .logo-text { font-size: 1rem; }
  .header-search { display: none; }
  .nav-list { padding: 0 16px; overflow-x: auto; }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-visual { display: none; }
  .hero { padding: 48px 0 64px; }
  .section { padding: 48px 0; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .categories-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 14px; }
  .products-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; }
  .steps-grid { grid-template-columns: 1fr; }
  .shop-layout { grid-template-columns: 1fr; }
  .filter-sidebar { position: static; display: none; }
  .filter-sidebar.open { display: block; }
  .product-detail-grid { grid-template-columns: 1fr; gap: 32px; }
  .brand-content-grid { grid-template-columns: 1fr; }
  .brand-sidebar { position: static; }
  .cart-grid { grid-template-columns: 1fr; }
  .order-summary { position: static; }
  .about-mission-grid { grid-template-columns: 1fr; gap: 32px; }
  .faq-grid { grid-template-columns: 1fr; }
  .promo-inner { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: span 2; }
  .newsletter-form { flex-direction: column; }
  .hero-stats { gap: 24px; }
  .container { padding: 0 16px; }
  .promo-banner { padding: 40px 0; }
}
@media (max-width: 480px) {
  .categories-grid { grid-template-columns: 1fr 1fr; }
  .products-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .product-card-img { height: 160px; }
  .brands-grid { grid-template-columns: 1fr 1fr; }
  .header-btn-ghost { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: span 1; }
}

/* ============================================================
   MISC
   ============================================================ */
.divider { height: 1px; background: var(--gray-200); margin: 0; }
.chip {
  display: inline-flex; align-items: center; gap: 5px;
  background: var(--gray-100); color: var(--gray-600);
  padding: 4px 10px; border-radius: var(--radius-full);
  font-size: 0.75rem; font-weight: 500;
}
.loading-skeleton {
  background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position:  200% 0; }
}
.sticky-top { position: sticky; top: 116px; }
.overflow-hidden { overflow: hidden; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
