:root {
  /* Color Palette - Fine Jewellery Aesthetic */
  --co-primary: #1A1A1A; /* Deep Charcoal */
  --co-secondary: #C5A059; /* Muted Champagne Gold */
  --co-accent: #B22222; /* Crimson Ruby */
  --co-bg: #FFFFFF; /* Pure White */
  --co-surface: #F9F9F9;
  --co-text-main: #1A1A1A;
  --co-text-muted: #666666;
  --co-border: #E5E5E5;
  
  /* Spacing & Borders */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;
  --radius: 0px; /* Sharp modern edges */
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  
  /* Typography */
  --font-display: 'Cormorant Garamond', serif; /* More sophisticated */
  --font-body: 'Montserrat', sans-serif; /* Cleaner sans */
}

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

body {
  font-family: var(--font-body);
  background-color: var(--co-bg);
  color: var(--co-text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, .font-display {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header & Nav */
.header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--co-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.top-bar {
  background: var(--co-primary);
  color: white;
  text-align: center;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  padding: 8px 0;
  text-transform: uppercase;
}

.nav-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 90px;
}

.nav-links {
  display: flex;
  gap: var(--spacing-md);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.logo {
  font-size: 1.8rem;
  font-family: var(--font-display);
  color: var(--co-primary);
  text-transform: uppercase;
  letter-spacing: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  font-weight: 300;
}

.logo span {
  font-size: 0.5rem;
  letter-spacing: 3px;
  color: var(--co-text-muted);
  margin-top: 2px;
  font-family: var(--font-body);
}

.nav-actions {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.2rem 3rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 3px;
  border: none;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  font-size: 0.75rem;
}

.btn-primary {
  background: white;
  color: black;
}

.btn-primary:hover {
  background: var(--co-secondary);
  color: white;
  transform: translateY(-3px);
}

.btn-outline {
  border: 1px solid var(--co-secondary);
  color: var(--co-primary);
  background: transparent;
}

.btn-outline:hover {
  background: var(--co-secondary);
  color: white;
}

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  background-color: #000;
  overflow: hidden;
  color: white;
}

.hero-content {
  width: 50%;
  position: relative;
  z-index: 2;
  padding-left: var(--spacing-md);
  animation: fadeInUp 1.2s ease-out;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-tag {
  color: var(--co-secondary);
  text-transform: uppercase;
  letter-spacing: 4px;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  display: block;
}

.hero h1 {
  font-size: 6rem;
  margin-bottom: var(--spacing-md);
  color: white;
  line-height: 1;
  font-weight: 300;
}

.hero p {
  font-size: 1.1rem;
  color: var(--co-text-muted);
  max-width: 500px;
  margin-bottom: var(--spacing-md);
}

.hero-image-container {
  position: absolute;
  right: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  z-index: 1;
}

.hero-image-container::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.4) 50%, transparent 100%);
}

.ornament-overlay {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  opacity: 0.1;
  pointer-events: none;
  background-image: radial-gradient(var(--co-secondary) 1px, transparent 1px);
  background-size: 30px 30px;
}

/* Categories Grid */
.categories {
  padding: var(--spacing-xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-header h2 {
  font-size: 3.5rem;
  color: var(--co-primary);
  font-weight: 300;
}

.section-header p {
  color: var(--co-secondary);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.9rem;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

.category-card {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  border: none;
}

.category-card .placeholder-image {
  width: 100%;
  height: 100%;
  background: #eee;
  transition: transform 0.6s ease;
}

.category-card:hover .placeholder-image {
  transform: scale(1.05);
}

.category-info {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--spacing-md);
  background: linear-gradient(transparent, rgba(0,0,0,0.4));
  color: white;
  text-align: center;
  transition: background 0.4s ease;
}

.category-card:hover .category-info {
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
}

.category-info h3 {
  font-size: 1.5rem;
  margin-bottom: 5px;
}

/* Product Cards */
.products {
  padding-bottom: var(--spacing-xl);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

.product-card {
  background: var(--co-surface);
  border: 1px solid var(--co-border);
  transition: all 0.3s ease;
  position: relative;
}

.product-card:hover {
  box-shadow: var(--shadow);
}

.product-badge {
  position: absolute;
  top: 0;
  left: 0;
  background: var(--co-primary);
  color: white;
  padding: 8px 16px;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  z-index: 1;
}

.product-image {
  width: 100%;
  aspect-ratio: 1;
  background: #fdfdfd;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--co-border);
  overflow: hidden;
}

.product-image .placeholder-image {
  transition: transform 0.8s ease;
}

.product-card:hover .product-image .placeholder-image {
  transform: scale(1.1);
}

.product-details {
  padding: var(--spacing-md) var(--spacing-sm);
  text-align: center;
}

.product-name {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
  color: #111;
}

.product-price {
  color: var(--co-primary);
  font-weight: 700;
  font-size: 1.1rem;
}

.product-old-price {
  text-decoration: line-through;
  color: var(--co-text-muted);
  font-size: 0.9rem;
  margin-right: 8px;
}

/* Feature Section */
.features {
  background: #000;
  color: white;
  padding: var(--spacing-xl) 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  text-align: center;
}

.feature-item h3 {
  font-size: 1.5rem;
  margin: var(--spacing-sm) 0;
  color: var(--co-secondary);
}

/* Newsletter */
.newsletter {
  padding: var(--spacing-xl) 0;
  text-align: center;
  background: #fafafa;
}

.newsletter-form {
  max-width: 500px;
  margin: var(--spacing-md) auto 0;
  display: flex;
}

.newsletter-input {
  flex: 1;
  padding: 1rem;
  border: 1px solid var(--co-border);
  border-right: none;
  font-family: inherit;
}

/* Footer */
.footer {
  background: #000;
  color: #999;
  padding: var(--spacing-xl) 0 var(--spacing-md);
  border-top: 1px solid #222;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer h4 {
  color: white;
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 2px;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-bottom {
  padding-top: var(--spacing-md);
  border-top: 1px solid #333;
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
}

/* Placeholders */
.placeholder-image {
  background: #f0f0f0;
  position: relative;
  overflow: hidden;
}

.placeholder-image::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  100% { left: 200%; }
}

.placeholder-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto;
  color: var(--co-secondary);
}