/* Romars Collection - Professional Black Luxury Theme */
:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #161616;
  --bg-hover: #1f1f1f;
  --text-primary: #f5f5f5;
  --text-secondary: #a0a0a0;
  --text-muted: #6b6b6b;
  --accent: #c9a962; /* Gold */
  --accent-hover: #dbb978;
  --accent-dark: #a88b45;
  --border: #2a2a2a;
  --success: #2ecc71;
  --error: #e74c3c;
  --warning: #f39c12;
  --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --max-width: 1280px;
  --radius: 4px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--accent-hover);
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); margin-bottom: 1.5rem; }
h3 { font-size: 1.35rem; margin-bottom: 0.75rem; }

.lead {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 640px;
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 4rem 0;
}

.section-sm {
  padding: 2.5rem 0;
}

/* Header */
.header {
  background: rgba(10,10,10,0.95);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.logo img {
  height: 48px;
  width: auto;
  display: block;
  object-fit: contain;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.logo-text strong {
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.08em;
  font-size: 0.95rem;
}

.logo-text small {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  font-family: var(--font-sans);
  font-weight: 500;
  text-transform: uppercase;
}

.logo span {
  color: var(--accent);
}

/* Centered logo block (hero / about) */
.logo-center {
  text-align: center;
  margin-bottom: 2rem;
}

.logo-center img {
  max-width: 200px;
  width: 100%;
  height: auto;
  margin: 0 auto 1.25rem;
  filter: drop-shadow(0 0 24px rgba(201,169,98,0.15));
}

.logo-center h1 {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.logo-center .tagline {
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.nav a:hover,
.nav a.active {
  color: var(--accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.icon-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  position: relative;
  padding: 0.5rem;
  transition: color var(--transition);
}

.icon-btn:hover {
  color: var(--accent);
}

.cart-count {
  position: absolute;
  top: 0;
  right: 0;
  background: var(--accent);
  color: #000;
  font-size: 0.7rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Mobile nav */
.mobile-nav {
  display: none;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
}

.mobile-nav.open {
  display: block;
}

.mobile-nav a {
  display: block;
  padding: 0.75rem 0;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
  font-size: 0.9rem;
}

.mobile-nav a:last-child {
  border-bottom: none;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #0a0a0a;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #0a0a0a;
}

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

.btn-outline:hover {
  background: var(--accent);
  color: #0a0a0a;
}

.btn-dark {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-dark:hover {
  background: var(--bg-hover);
  border-color: var(--text-muted);
}

.btn-sm {
  padding: 0.55rem 1.1rem;
  font-size: 0.8rem;
}

.btn-block {
  width: 100%;
}

/* Hero */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1510 50%, #0a0a0a 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(201,169,98,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 620px;
}

.hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
  border: 1px solid var(--accent-dark);
  padding: 0.35rem 0.9rem;
}

.hero h1 {
  margin-bottom: 1.25rem;
}

.hero p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Product Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2rem;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-dark);
  box-shadow: var(--shadow);
}

.product-image {
  aspect-ratio: 1 / 1.15;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-image img {
  transform: scale(1.04);
}

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent);
  color: #000;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-info {
  padding: 1.25rem;
}

.product-category {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.product-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.product-title a {
  color: inherit;
}

.product-title a:hover {
  color: var(--accent);
}

.product-price {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent);
}

.product-price .old {
  color: var(--text-muted);
  text-decoration: line-through;
  font-weight: 400;
  margin-right: 0.5rem;
  font-size: 0.9rem;
}

/* Filters / Shop header */
.shop-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.filters {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.filter-select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  cursor: pointer;
}

/* Product Detail */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.product-gallery {
  display: grid;
  gap: 1rem;
}

.main-image {
  aspect-ratio: 1;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.thumbnails {
  display: flex;
  gap: 0.75rem;
}

.thumb {
  width: 80px;
  height: 80px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  overflow: hidden;
}

.thumb.active,
.thumb:hover {
  border-color: var(--accent);
}

.product-meta .price {
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--accent);
  margin: 1rem 0;
}

.product-meta .sku {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.variant-group {
  margin-bottom: 1.5rem;
}

.variant-group label {
  display: block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.variant-options {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.variant-btn {
  min-width: 44px;
  height: 44px;
  padding: 0 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
}

.variant-btn:hover,
.variant-btn.active {
  border-color: var(--accent);
  color: var(--accent);
}

.qty-selector {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 1.5rem;
}

.qty-selector button {
  width: 44px;
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 1.2rem;
}

.qty-selector input {
  width: 60px;
  height: 44px;
  text-align: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-left: none;
  border-right: none;
  color: var(--text-primary);
}

.add-to-cart-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.product-tabs {
  margin-top: 3rem;
  border-top: 1px solid var(--border);
  padding-top: 2rem;
}

.tabs-nav {
  display: flex;
  gap: 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.75rem 0;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab-content {
  color: var(--text-secondary);
  line-height: 1.7;
}

.tab-content p {
  margin-bottom: 1rem;
}

/* Cart */
.cart-table {
  width: 100%;
  border-collapse: collapse;
}

.cart-table th {
  text-align: left;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 1rem 0.5rem;
  border-bottom: 1px solid var(--border);
}

.cart-table td {
  padding: 1.25rem 0.5rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.cart-product {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.cart-product img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  background: var(--bg-secondary);
  border-radius: var(--radius);
}

.cart-summary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  position: sticky;
  top: 100px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
}

.summary-row.total {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  border-top: 1px solid var(--border);
  padding-top: 1rem;
  margin-top: 1rem;
}

.cart-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 2.5rem;
  align-items: start;
}

/* Checkout */
.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 2.5rem;
  align-items: start;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
}

.form-section h3 {
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.payment-methods {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.payment-option {
  flex: 1;
  min-width: 120px;
  padding: 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition);
}

.payment-option.active,
.payment-option:hover {
  border-color: var(--accent);
}

.payment-option input {
  display: none;
}

/* Policy pages */
.policy-content {
  max-width: 800px;
  margin: 0 auto;
}

.policy-content h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  font-size: 1.4rem;
}

.policy-content h3 {
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
  font-size: 1.15rem;
  color: var(--accent);
}

.policy-content p,
.policy-content li {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.75;
}

.policy-content ul,
.policy-content ol {
  margin-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.policy-content ul {
  list-style: disc;
}

.policy-content ol {
  list-style: decimal;
}

.policy-content strong {
  color: var(--text-primary);
}

.notice-box {
  background: var(--bg-card);
  border-left: 3px solid var(--accent);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.notice-box p {
  margin-bottom: 0;
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  margin-top: auto;
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--text-secondary);
  margin-top: 1rem;
  max-width: 280px;
  font-size: 0.95rem;
}

.footer h4 {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.footer-links a {
  display: block;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.6rem;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.payment-icons {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.payment-icons span {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.35rem 0.6rem;
  border-radius: 3px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Utilities */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.page-title {
  text-align: center;
  margin-bottom: 0.5rem;
}

.page-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 3rem;
}

.empty-state {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-secondary);
}

.empty-state h3 {
  margin-bottom: 0.75rem;
}

/* Responsive */
@media (max-width: 900px) {
  .product-detail,
  .cart-layout,
  .checkout-layout {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .nav {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 55vh;
  }

  .add-to-cart-row {
    flex-direction: column;
  }
}

/* Placeholder image style */
.placeholder-img {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: center;
  padding: 1rem;
}

/* Coin presentation */
.presentation-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
}

.pres-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  text-align: center;
}

.pres-card .pres-visual {
  aspect-ratio: 1;
  background: linear-gradient(160deg, #0d0d0d 0%, #1a1510 50%, #0a0a0a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.pres-card .pres-visual img {
  max-width: 75%;
  max-height: 75%;
  object-fit: contain;
}

.pres-card .pres-body {
  padding: 1.25rem 1.1rem 1.5rem;
}

.pres-card .pres-body h3 {
  font-size: 1rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
  letter-spacing: 0.04em;
}

.pres-card .pres-body p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin: 0;
}

/* Floating case animation */
.float-case {
  animation: floatY 4s ease-in-out infinite;
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.rotate-hint {
  position: absolute;
  bottom: 12px;
  left: 0;
  right: 0;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.certificate-box {
  background: var(--bg-card);
  border: 1px solid var(--accent-dark);
  border-radius: 4px;
  padding: 1.75rem;
  margin-top: 2rem;
  max-width: 640px;
}

.certificate-box h3 {
  color: var(--accent);
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  text-align: center;
}

.certificate-box p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.certificate-box .cert-meta {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
}

@media (max-width: 800px) {
  .presentation-grid {
    grid-template-columns: 1fr;
  }
}