:root {
  --brand-black: #000000;
  --brand-white: #ffffff;
  --brand-gray: #f5f5f5;
  --text-main: #1a1a1a;
  --text-muted: #666666;
  --accent-red: #e02020;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  color: var(--text-main);
  line-height: 1.6;
  background-color: var(--brand-white);
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 40px;
}

/* Header & Nav */
.header {
  position: sticky;
  top: 0;
  background: var(--brand-white);
  z-index: 1000;
  border-bottom: 1px solid #eeeeee;
}

.header-row {
  height: 80px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 24px;
  font-weight: 900;
  text-decoration: none;
  color: var(--brand-black);
  letter-spacing: -1px;
  text-transform: uppercase;
}

.desktop-nav {
  display: flex;
  gap: 30px;
}

.nav-link {
  text-decoration: none;
  color: var(--text-main);
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition);
}

.nav-link:hover {
  opacity: 0.6;
}

/* Hero Section */
.hero {
  position: relative;
  height: 80vh;
  background: var(--brand-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-content {
  text-align: center;
  z-index: 2;
}

.hero-title {
  font-size: clamp(40px, 8vw, 80px);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: -2px;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 40px;
}

.btn-main {
  background: var(--brand-black);
  color: var(--brand-white);
  padding: 18px 48px;
  text-decoration: none;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: inline-block;
  transition: var(--transition);
}

.btn-main:hover {
  background: #333;
  transform: translateY(-2px);
}

/* Product Section */
.section-padding {
  padding: 80px 0;
}

.section-title {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 48px;
  text-transform: uppercase;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.product-card {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

.product-image-wrap {
  position: relative;
  aspect-ratio: 3/4;
  background: var(--brand-gray);
  margin-bottom: 16px;
  overflow: hidden;
}

.product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.product-card:hover .product-img {
  transform: scale(1.05);
}

.product-info h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.price-row {
  display: flex;
  gap: 12px;
  align-items: center;
}

.price-current {
  font-weight: 700;
  color: var(--brand-black);
}

.price-old {
  color: var(--text-muted);
  text-decoration: line-through;
  font-size: 14px;
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .container { padding: 0 20px; }
}