:root {
  /* Color Palette - Deep Earthy Luxury */
  --bg-primary: #0a0a0a;
  --bg-secondary: #161616;
  --accent-primary: #d4af37; /* Metallic Gold */
  --accent-secondary: #8e793e;
  --text-main: #ffffff;
  --text-muted: #a0a0a0;
  --border-color: rgba(212, 175, 55, 0.2);
  
  /* Spacing */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 48px;
  --space-xl: 80px;
  --space-2xl: 120px;

  /* Typography */
  --font-display: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
}

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

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 2px;
}

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

ul {
  list-style: none;
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 8vw, 6rem);
}

section {
  margin-top: var(--space-2xl);
  position: relative;
}

main > section:first-child {
  margin-top: 0;
}

/* Components */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 1rem 2.5rem;
  font-size: 0.9rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  border: 1px solid var(--accent-primary);
  background: transparent;
  color: var(--accent-primary);
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  position: relative;
  overflow: hidden;
}

.btn:hover {
  background: var(--accent-primary);
  color: var(--bg-primary);
}

.btn-solid {
  background: var(--accent-primary);
  color: var(--bg-primary);
}

.btn-solid:hover {
  background: transparent;
  color: var(--accent-primary);
}

/* Navigation */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: var(--space-md) 0;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent-primary);
  letter-spacing: 4px;
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
}

.nav-links a {
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0.7;
}

.nav-links a:hover {
  opacity: 1;
  color: var(--accent-primary);
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(to bottom, rgba(10,10,10,0.4), rgba(10,10,10,1)), url('https://images.unsplash.com/photo-1519710164239-da123dc03ef4?auto=format&fit=crop&q=80&w=1600') center/cover no-repeat;
}

.hero-content {
  max-width: 900px;
  animation: fadeIn 1.5s ease-out;
}

.hero-title {
  font-size: clamp(3rem, 10vw, 7rem);
  margin-bottom: var(--space-md);
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto var(--space-lg);
}

/* Collections Grid */
.collection-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-md);
}

.collection-item {
  grid-column: span 6;
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/5;
}

.collection-item:nth-child(even) {
  margin-top: var(--space-xl);
}

.collection-img-wrapper {
  width: 100%;
  height: 100%;
  background: var(--bg-secondary);
  position: relative;
  transition: transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.collection-item:hover .collection-img-wrapper {
  transform: scale(1.05);
}

.placeholder-image {
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, #1a1a1a, #2a2a2a);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-secondary);
  font-family: var(--font-display);
  font-size: 1.5rem;
  text-transform: uppercase;
}

.collection-info {
  position: absolute;
  bottom: var(--space-lg);
  left: var(--space-lg);
  z-index: 2;
}

.collection-name {
  font-size: 2rem;
  margin-bottom: var(--space-xs);
}

/* Product Showcase */
.showcase-row {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.showcase-row.reverse {
  flex-direction: row-reverse;
}

.showcase-visual {
  flex: 1;
  position: relative;
}

.showcase-text {
  flex: 1;
}

.accent-line {
  width: 60px;
  height: 2px;
  background: var(--accent-primary);
  margin-bottom: var(--space-md);
}

.showcase-title {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.showcase-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}

/* Footer */
footer {
  margin-top: var(--space-2xl);
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.footer-brand .nav-logo {
  display: block;
  margin-bottom: var(--space-md);
}

.footer-heading {
  font-size: 0.9rem;
  margin-bottom: var(--space-md);
  color: var(--accent-primary);
}

.footer-links li {
  margin-bottom: var(--space-xs);
}

.footer-links a {
  font-size: 0.9rem;
  opacity: 0.6;
}

.footer-links a:hover {
  opacity: 1;
}

/* Newsletter & Forms */
.newsletter-box {
  text-align: center;
  background: var(--bg-secondary);
  padding: var(--space-xl);
  border: 1px solid var(--border-color);
}

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

.newsletter-form input {
  flex: 1;
  background: transparent;
  border: 1px solid var(--border-color);
  color: white;
  padding: 0 1rem;
  font-family: var(--font-body);
}

/* Product Cards */
.product-card {
  grid-column: span 4;
  margin-bottom: var(--space-xl);
}

.product-card .collection-img-wrapper {
  aspect-ratio: 3/4;
  background: #1a1a1a;
}

.product-info {
  margin-top: var(--space-sm);
}

.product-title {
  font-family: var(--font-body);
  letter-spacing: 1px;
  font-weight: 400;
  font-size: 1rem;
  margin-bottom: 4px;
}

.product-price {
  color: var(--accent-primary);
  font-size: 0.9rem;
}

/* Collections Page Specific */
.page-main {
  padding-top: var(--space-2xl);
}

.filter-bar {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--space-md);
}

.filter-link {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.5;
}

.filter-link.active {
  opacity: 1;
  color: var(--accent-primary);
}

.pagination-wrapper {
  margin-bottom: var(--space-2xl);
  display: flex;
  justify-content: center;
  gap: var(--space-md);
}

/* Utility Footer Styles */
.footer-tagline {
  opacity: 0.6;
  font-size: 0.8rem;
  margin-top: var(--space-md);
}

.footer-copyright {
  margin-top: var(--space-xl);
  text-align: center;
  font-size: 0.7rem;
  letter-spacing: 2px;
  opacity: 0.4;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 1024px) {
  .collection-grid { grid-template-columns: 1fr; }
  .collection-item { grid-column: span 1; margin-top: 0 !important; }
  .showcase-row, .showcase-row.reverse { flex-direction: column; text-align: center; }
  .accent-line { margin: 0 auto var(--space-md); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
}