/* ========================================
   MAISON LUXE — Luxury Fashion Store
   Louis Vuitton inspired design system
   ======================================== */

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

:root {
  --gold: #C9A84C;
  --gold-light: #E8C96B;
  --gold-dark: #8B6914;
  --cream: #F5F0E8;
  --cream-dark: #EDE6D8;
  --black: #0A0A0A;
  --dark: #111111;
  --dark2: #1A1A1A;
  --dark3: #252525;
  --white: #FAFAFA;
  --text-muted: #888;
  --border: rgba(201,168,76,0.2);
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Montserrat', sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  background: var(--dark);
  color: var(--white);
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 14px;
  letter-spacing: 0.05em;
  overflow-x: hidden;
}

/* ========== LOADER ========== */
.loader {
  position: fixed; inset: 0;
  background: var(--black);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s ease;
}
.loader.hidden { opacity: 0; pointer-events: none; }
.loader-inner { text-align: center; }
.loader-logo {
  font-family: var(--font-serif);
  font-size: 48px;
  color: var(--gold);
  letter-spacing: 0.3em;
  margin-bottom: 24px;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }
.loader-bar {
  width: 200px;
  height: 1px;
  background: rgba(201,168,76,0.2);
  margin: 0 auto;
}
.loader-progress {
  height: 1px;
  background: var(--gold);
  width: 0;
  animation: load 2s ease forwards;
}
@keyframes load { to { width: 100%; } }

/* ========== HEADER ========== */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.header.scrolled {
  background: rgba(10,10,10,0.98);
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}

.header-top {
  background: var(--gold);
  height: 32px;
  overflow: hidden;
}
.marquee-wrap { overflow: hidden; width: 100%; height: 100%; display: flex; align-items: center; }
.marquee-track {
  display: flex;
  animation: marquee 30s linear infinite;
  white-space: nowrap;
}
.marquee-track span {
  color: var(--black);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  padding-right: 40px;
}
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

.header-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 72px;
}
.nav-left, .nav-right {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-btn {
  background: none;
  border: none;
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: color var(--transition);
  padding: 4px 0;
  position: relative;
}
.nav-btn::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width var(--transition);
}
.nav-btn:hover { color: var(--gold); }
.nav-btn:hover::after { width: 100%; }

.currency-selector select {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.2);
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 4px 8px;
  border-radius: 0;
  cursor: pointer;
  outline: none;
  transition: all var(--transition);
}
.currency-selector select:hover {
  border-color: var(--gold);
  color: var(--gold);
}
.currency-selector select option {
  background: var(--bg-color);
  color: var(--white);
}
.cart-btn { position: relative; }
.cart-count {
  position: absolute;
  top: -8px; right: -10px;
  background: var(--gold);
  color: var(--black);
  font-size: 9px;
  font-weight: 700;
  width: 16px; height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-logo { cursor: pointer; text-align: center; }
.logo-text {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 300;
  letter-spacing: 0.4em;
  color: var(--gold);
  text-transform: uppercase;
  display: block;
}

/* ========== PAGES ========== */
.page { display: none; padding-top: 104px; min-height: 100vh; }
.page.active { display: block; }

/* ========== HERO ========== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 0;
  margin-top: -104px;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(201,168,76,0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(201,168,76,0.05) 0%, transparent 50%),
    linear-gradient(180deg, #0A0A0A 0%, #111111 50%, #0A0A0A 100%);
}
.hero-overlay {
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0L60 30L30 60L0 30Z' fill='none' stroke='rgba(201,168,76,0.04)' stroke-width='0.5'/%3E%3C/svg%3E");
}
.hero-pattern {
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 40px,
    rgba(201,168,76,0.015) 40px,
    rgba(201,168,76,0.015) 41px
  );
}
.hero-content {
  position: relative;
  text-align: center;
  z-index: 2;
  max-width: 800px;
  padding: 0 20px;
}
.hero-subtitle {
  font-size: 10px;
  letter-spacing: 0.5em;
  color: var(--gold);
  margin-bottom: 20px;
  animation: fadeInUp 1s ease forwards;
  opacity: 0;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(72px, 10vw, 140px);
  font-weight: 300;
  line-height: 0.9;
  color: var(--white);
  margin-bottom: 32px;
  animation: fadeInUp 1s ease 0.2s forwards;
  opacity: 0;
}
.hero-title em {
  color: var(--gold);
  font-style: italic;
  display: block;
}
.hero-desc {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255,255,255,0.6);
  margin-bottom: 48px;
  animation: fadeInUp 1s ease 0.4s forwards;
  opacity: 0;
}
.hero-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  animation: fadeInUp 1s ease 0.6s forwards;
  opacity: 0;
}
.hero-scroll {
  position: absolute;
  bottom: 40px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  z-index: 2;
  animation: fadeIn 2s ease 1s forwards;
  opacity: 0;
}
.hero-scroll span {
  font-size: 8px;
  letter-spacing: 0.4em;
  color: var(--text-muted);
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%,100%{opacity:1;transform:scaleY(1)}
  50%{opacity:0.3;transform:scaleY(0.5)}
}

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

/* ========== BUTTONS ========== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 40px;
  background: var(--gold);
  color: var(--black);
  border: none;
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  cursor: pointer;
  transition: all var(--transition);
  text-transform: uppercase;
  min-width: 160px;
}
.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(201,168,76,0.4);
}
.full-width { width: 100%; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 40px;
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.3);
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.2em;
  cursor: pointer;
  transition: all var(--transition);
  text-transform: uppercase;
}
.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
}
.btn-ghost-sm {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.1em;
  cursor: pointer;
  padding: 8px 0;
  transition: color var(--transition);
  display: block;
  text-align: center;
  margin-top: 8px;
}
.btn-ghost-sm:hover { color: var(--gold); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 40px;
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.2em;
  cursor: pointer;
  transition: all var(--transition);
  text-transform: uppercase;
}
.btn-outline:hover {
  background: var(--gold);
  color: var(--black);
}

/* ========== SECTIONS ========== */
.section-header {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 60px;
}
.section-line { flex: 1; height: 1px; background: var(--border); }
.section-title {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.5em;
  color: var(--gold);
  white-space: nowrap;
}
.section-footer { text-align: center; margin-top: 60px; }

/* ========== FEATURES STRIP ========== */
.features-strip {
  display: flex;
  justify-content: center;
  gap: 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--dark2);
}
.feature-item {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 28px 40px;
  border-right: 1px solid var(--border);
}
.feature-item:last-child { border-right: none; }
.feature-icon {
  font-size: 24px;
  color: var(--gold);
  min-width: 32px;
  text-align: center;
}
.feature-title {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--white);
  margin-bottom: 2px;
}
.feature-sub {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* ========== FEATURED SECTION ========== */
.featured-section {
  padding: 100px 60px;
}

/* ========== PRODUCTS GRID ========== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2px;
}

.product-card {
  background: var(--dark2);
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  group: true;
}
.product-card:hover { z-index: 2; }
.product-img-wrap {
  aspect-ratio: 1;
  overflow: hidden;
  position: relative;
  background: var(--dark3);
}
.product-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4,0,0.2,1);
}
.product-card:hover .product-img-wrap img {
  transform: scale(1.08);
}
.product-badge {
  position: absolute;
  top: 16px; left: 16px;
  background: var(--gold);
  color: var(--black);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 4px 10px;
  z-index: 1;
}
.product-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}
.product-card:hover .product-overlay { opacity: 1; }
.quick-add {
  background: var(--gold);
  color: var(--black);
  border: none;
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  padding: 12px 28px;
  cursor: pointer;
  transform: translateY(10px);
  transition: transform var(--transition);
}
.product-card:hover .quick-add { transform: translateY(0); }

.product-info {
  padding: 20px;
  border-top: 1px solid var(--border);
}
.product-brand {
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 6px;
  font-weight: 500;
}
.product-name {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 300;
  color: var(--white);
  margin-bottom: 10px;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-card-sizes {
  font-size: 10px;
  color: rgba(255,255,255,0.4);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
  font-weight: 300;
}
.product-prices {
  display: flex;
  align-items: center;
  gap: 12px;
}
.product-price {
  font-size: 18px;
  font-weight: 400;
  color: var(--gold);
  font-family: var(--font-serif);
}
.product-orig {
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: line-through;
}

/* ========== LOADING ========== */
.loading-products {
  grid-column: 1/-1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 100px;
  color: var(--text-muted);
  font-size: 12px;
  letter-spacing: 0.1em;
}
.loading-spinner {
  width: 40px; height: 40px;
  border: 1px solid var(--border);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ========== BITCOIN SECTION ========== */
.bitcoin-section {
  position: relative;
  padding: 100px 60px;
  background: var(--dark2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
  overflow: hidden;
}
.bitcoin-bg {
  position: absolute; inset: 0;
  background: 
    radial-gradient(ellipse at center, rgba(201,168,76,0.06) 0%, transparent 70%);
}
.bitcoin-content { position: relative; z-index: 1; max-width: 600px; margin: 0 auto; }
.btc-icon {
  font-size: 60px;
  margin-bottom: 20px;
  filter: drop-shadow(0 0 20px rgba(201,168,76,0.5));
  animation: float 3s ease-in-out infinite;
}
@keyframes float {
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-10px)}
}
.bitcoin-title {
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 300;
  color: var(--gold);
  margin-bottom: 16px;
}
.bitcoin-desc {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255,255,255,0.6);
  margin-bottom: 32px;
}
.btc-rate {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(201,168,76,0.1);
  border: 1px solid var(--border);
  padding: 16px 32px;
  font-size: 18px;
  color: var(--gold);
  font-family: var(--font-serif);
}
.btc-loading { color: var(--text-muted); font-size: 13px; }

/* ========== BRANDS ========== */
.brands-section {
  padding: 80px 60px;
}
.brands-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.brand-tag {
  padding: 10px 24px;
  border: 1px solid var(--border);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
  background: transparent;
}
.brand-tag:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(201,168,76,0.05);
}

/* ========== MEGA MENU ========== */
.nav-btn.has-dropdown {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.mega-menu {
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  background: var(--dark);
  border-top: 1px solid var(--border);
  border-bottom: 2px solid var(--gold);
  padding: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1), opacity 0.3s ease, padding 0.3s ease;
  z-index: 100;
}
.mega-menu.open {
  max-height: 500px;
  opacity: 1;
  padding: 40px 60px;
}
.mega-menu-inner {
  display: flex;
  gap: 40px;
  justify-content: center;
}
.mega-col {
  min-width: 140px;
}
.mega-col h4 {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 16px;
  cursor: pointer;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  transition: color var(--transition);
}
.mega-col h4:hover { color: var(--gold-light); }
.mega-col a {
  display: block;
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--text-muted);
  padding: 6px 0;
  cursor: pointer;
  letter-spacing: 0.03em;
  transition: color var(--transition), padding-left var(--transition);
}
.mega-col a:hover {
  color: var(--gold);
  padding-left: 6px;
}

/* ========== CATALOG ========== */
.catalog-header {
  padding: 40px 60px 24px;
  border-bottom: 1px solid var(--border);
}
.catalog-top-row {
  display: flex;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 24px;
}
.catalog-title {
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 300;
  color: var(--gold);
  letter-spacing: 0.1em;
}
.catalog-count {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* Brand Pills (in catalog) */
.brand-pills {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 4px;
}
.brand-pills::-webkit-scrollbar { display: none; }
.brand-pill {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  padding: 8px 18px;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}
.brand-pill:hover {
  border-color: var(--gold);
  color: var(--gold);
}
.brand-pill.active {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--black);
  font-weight: 600;
}
.brand-pill .brand-pill-count {
  font-size: 8px;
  opacity: 0.5;
  margin-left: 4px;
}

.gender-pills {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.gender-pills::-webkit-scrollbar { display: none; }
.gender-pill {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 8px 18px;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}
.gender-pill:hover {
  border-color: var(--gold);
  color: var(--gold);
}
.gender-pill.active {
  background: var(--gold);
  border-color: var(--gold);
  color: #000;
  font-weight: 600;
}

/* Brands Mega Menu */
.brands-mega.open {
  max-height: 600px;
}
.brands-mega-inner {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 4px;
  max-height: 440px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--gold-dark) var(--dark2);
}
.brands-mega-inner::-webkit-scrollbar { width: 4px; }
.brands-mega-inner::-webkit-scrollbar-track { background: var(--dark2); }
.brands-mega-inner::-webkit-scrollbar-thumb { background: var(--gold-dark); border-radius: 2px; }
.brand-mega-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
}
.brand-mega-item:hover {
  background: rgba(201,168,76,0.06);
  border-color: var(--border);
}
.brand-mega-name {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--white);
}
.brand-mega-item:hover .brand-mega-name { color: var(--gold); }
.brand-mega-count {
  font-family: var(--font-sans);
  font-size: 9px;
  color: var(--text-muted);
  opacity: 0.6;
}

/* Category Tabs */
.category-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.cat-tab {
  background: var(--dark2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 8px 18px;
  cursor: pointer;
  transition: all var(--transition);
}
.cat-tab:hover {
  border-color: var(--gold);
  color: var(--gold);
}
.cat-tab.active {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--black);
  font-weight: 600;
}

/* Subcategory Tags */
.subcategory-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  min-height: 0;
}
.subcategory-tags:empty { margin-bottom: 0; }
.sub-tag {
  background: transparent;
  border: 1px solid rgba(201,168,76,0.15);
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: 0.05em;
  padding: 5px 14px;
  cursor: pointer;
  transition: all var(--transition);
}
.sub-tag:hover {
  border-color: var(--gold);
  color: var(--gold);
}
.sub-tag.active {
  background: rgba(201,168,76,0.15);
  border-color: var(--gold);
  color: var(--gold);
  font-weight: 500;
}

.catalog-controls {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}
.search-wrap {
  position: relative;
  flex: 1;
  min-width: 200px;
}
.search-wrap input {
  width: 100%;
  background: var(--dark2);
  border: 1px solid var(--border);
  color: var(--white);
  padding: 10px 40px 10px 16px;
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.05em;
  outline: none;
  transition: border-color var(--transition);
}
.search-wrap input:focus { border-color: var(--gold); }
.search-wrap input::placeholder { color: var(--text-muted); }
.search-icon {
  position: absolute;
  right: 12px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}
.filter-wrap {
  display: flex;
  gap: 10px;
}
.filter-wrap select {
  background: var(--dark2);
  border: 1px solid var(--border);
  color: var(--white);
  padding: 10px 16px;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.08em;
  cursor: pointer;
  outline: none;
  appearance: none;
  padding-right: 32px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M0 0l6 8 6-8z' fill='%23C9A84C'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: border-color var(--transition);
}
.filter-wrap select:focus, .filter-wrap select:hover { border-color: var(--gold); }
.catalog-grid {
  padding: 40px 60px;
}
.load-more-wrap {
  text-align: center;
  padding: 40px;
}

/* ========== PRODUCT DETAIL ========== */
.product-detail {
  max-width: 1400px;
  margin: 0 auto;
  padding: 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.product-gallery {
  position: sticky;
  top: 120px;
}
.main-image {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--dark2);
  margin-bottom: 12px;
  cursor: zoom-in;
}
.main-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.main-image:hover img { transform: scale(1.05); }
.thumbs-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}
.thumb {
  aspect-ratio: 1;
  overflow: hidden;
  cursor: pointer;
  border: 1px solid transparent;
  transition: border-color var(--transition);
  background: var(--dark3);
}
.thumb.active { border-color: var(--gold); }
.thumb img { width: 100%; height: 100%; object-fit: cover; }

.detail-brand {
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: 12px;
}
.detail-title {
  font-family: var(--font-serif);
  font-size: 40px;
  font-weight: 300;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 24px;
}
.detail-price-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.detail-price {
  font-family: var(--font-serif);
  font-size: 40px;
  font-weight: 400;
  color: var(--gold);
}
.detail-price-orig {
  font-size: 20px;
  color: var(--text-muted);
  text-decoration: line-through;
}
.markup-badge {
  background: rgba(201,168,76,0.15);
  border: 1px solid rgba(201,168,76,0.3);
  color: var(--gold);
  font-size: 10px;
  letter-spacing: 0.1em;
  padding: 4px 10px;
}
.detail-btc {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.detail-btc span { color: var(--gold); }

.size-section { margin-bottom: 28px; }
.size-label {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.sizes-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.size-btn {
  min-width: 48px;
  padding: 10px;
  background: var(--dark2);
  border: 1px solid var(--border);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}
.size-btn:hover, .size-btn.selected {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--black);
}
.size-btn.unavailable {
  opacity: 0.3;
  cursor: not-allowed;
  text-decoration: line-through;
}

.add-to-cart-btn {
  width: 100%;
  padding: 18px;
  background: var(--gold);
  color: var(--black);
  border: none;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  cursor: pointer;
  transition: all var(--transition);
  margin-bottom: 12px;
}
.add-to-cart-btn:hover {
  background: var(--gold-light);
  box-shadow: 0 8px 30px rgba(201,168,76,0.4);
  transform: translateY(-2px);
}

.detail-meta {
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.meta-row {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid rgba(201,168,76,0.05);
  font-size: 12px;
  letter-spacing: 0.05em;
}
.meta-key { color: var(--text-muted); }
.meta-val { color: var(--white); }

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: color var(--transition);
  margin-bottom: 40px;
  padding: 0;
}
.back-btn:hover { color: var(--gold); }

/* ========== ABOUT ========== */
.about-hero {
  position: relative;
  height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: 
    radial-gradient(ellipse at center, rgba(201,168,76,0.1) 0%, transparent 60%),
    var(--dark2);
  border-bottom: 1px solid var(--border);
  margin-top: -104px;
  padding-top: 104px;
}
.about-overlay {
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0L60 30L30 60L0 30Z' fill='none' stroke='rgba(201,168,76,0.05)' stroke-width='0.5'/%3E%3C/svg%3E");
}
.about-title {
  position: relative;
  font-family: var(--font-serif);
  font-size: 72px;
  font-weight: 300;
  color: var(--gold);
  letter-spacing: 0.1em;
}
.about-content { max-width: 800px; margin: 80px auto; padding: 0 60px; }
.about-block {
  display: flex;
  gap: 40px;
  margin-bottom: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--border);
}
.about-block:last-child { border-bottom: none; }
.about-number {
  font-family: var(--font-serif);
  font-size: 72px;
  font-weight: 300;
  color: rgba(201,168,76,0.15);
  line-height: 1;
  min-width: 80px;
}
.about-block h3 {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 300;
  color: var(--gold);
  margin-bottom: 16px;
}
.about-block p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,0.7);
}

/* ========== CART SIDEBAR ========== */
.cart-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 1999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  backdrop-filter: blur(4px);
}
.cart-overlay.visible {
  opacity: 1;
  pointer-events: all;
}
.cart-sidebar {
  position: fixed;
  right: 0; top: 0; bottom: 0;
  width: 420px;
  background: var(--dark);
  border-left: 1px solid var(--border);
  z-index: 2000;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
  display: flex;
  flex-direction: column;
}
.cart-sidebar.open { transform: translateX(0); }
.cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  border-bottom: 1px solid var(--border);
}
.cart-header h3 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3em;
}
.cart-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  transition: color var(--transition);
  line-height: 1;
}
.cart-close:hover { color: var(--gold); }
.cart-items {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}
.cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 16px;
  text-align: center;
}
.cart-empty-icon { font-size: 48px; opacity: 0.3; }
.cart-empty p { color: var(--text-muted); font-size: 13px; letter-spacing: 0.05em; }

.cart-item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.cart-item-img {
  width: 80px; height: 80px;
  object-fit: cover;
  background: var(--dark3);
  flex-shrink: 0;
}
.cart-item-info { flex: 1; }
.cart-item-brand { font-size: 9px; color: var(--gold); letter-spacing: 0.2em; margin-bottom: 4px; }
.cart-item-name { font-size: 13px; color: var(--white); margin-bottom: 6px; line-height: 1.3; }
.cart-item-size { font-size: 10px; color: var(--text-muted); margin-bottom: 8px; }
.cart-item-price { font-family: var(--font-serif); font-size: 18px; color: var(--gold); }
.cart-item-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  transition: color var(--transition);
  padding: 0;
  line-height: 1;
}
.cart-item-remove:hover { color: #ff4444; }

.cart-footer {
  padding: 20px 28px;
  border-top: 1px solid var(--border);
}
.cart-subtotal {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 13px;
}
.cart-subtotal span:last-child {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--gold);
}
.cart-btc {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 16px;
  text-align: right;
}
.cart-btc span { color: var(--gold); }

/* ========== CHECKOUT MODAL ========== */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(8px);
}
.modal {
  background: var(--dark2);
  border: 1px solid var(--border);
  padding: 48px;
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 16px; right: 20px;
  background: none; border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  transition: color var(--transition);
  line-height: 1;
}
.modal-close:hover { color: var(--gold); }
.modal-title {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.4em;
  color: var(--gold);
  margin-bottom: 32px;
  text-align: center;
}

.checkout-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 36px;
}
.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.step-num {
  width: 32px; height: 32px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--text-muted);
  transition: all var(--transition);
}
.step.active .step-num {
  border-color: var(--gold);
  background: var(--gold);
  color: var(--black);
}
.step-label { font-size: 9px; letter-spacing: 0.1em; color: var(--text-muted); }
.step.active .step-label { color: var(--gold); }
.step-line { flex: 1; height: 1px; background: var(--border); min-width: 40px; }

.checkout-form { display: flex; flex-direction: column; gap: 12px; }
.form-input {
  background: var(--dark3);
  border: 1px solid var(--border);
  color: var(--white);
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.05em;
  outline: none;
  transition: border-color var(--transition);
  width: 100%;
}
.form-input:focus { border-color: var(--gold); }
.form-input::placeholder { color: var(--text-muted); }
.form-note {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.6;
  padding: 12px;
  background: rgba(201,168,76,0.05);
  border: 1px solid rgba(201,168,76,0.1);
}

.payment-option { display: block; cursor: pointer; }
.payment-option input { display: none; }
.payment-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border: 1px solid var(--border);
  transition: border-color var(--transition);
}
.payment-option.active-payment .payment-card { border-color: var(--gold); }
.payment-icon { font-size: 28px; }
.btc-pay-icon { color: #F7931A; }
.payment-name { font-size: 14px; color: var(--white); margin-bottom: 2px; }
.payment-desc { font-size: 11px; color: var(--text-muted); }

.btc-payment-block { margin-top: 24px; }
.btc-order-summary {
  background: var(--dark3);
  padding: 20px;
  margin-bottom: 20px;
  border: 1px solid var(--border);
}
.order-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(201,168,76,0.05);
}
.order-row:last-child { border-bottom: none; }
.btc-highlight {
  color: #F7931A;
  font-family: var(--font-serif);
  font-size: 18px;
}

.btc-address-block { margin-bottom: 20px; }
.btc-label { font-size: 11px; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 12px; }
.btc-address-wrap {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.btc-address {
  flex: 1;
  background: var(--dark3);
  border: 1px solid var(--border);
  padding: 12px 14px;
  font-size: 11px;
  color: var(--gold);
  font-family: monospace;
  word-break: break-all;
  letter-spacing: 0.02em;
}
.copy-btn {
  background: var(--gold);
  color: var(--black);
  border: none;
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 0 16px;
  cursor: pointer;
  transition: background var(--transition);
  white-space: nowrap;
}
.copy-btn:hover { background: var(--gold-light); }

.btc-qr {
  text-align: center;
  padding: 16px;
  background: white;
  display: inline-block;
  margin: 12px auto;
  display: block;
  width: fit-content;
}
.btc-warning {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.6;
  padding: 12px;
  background: rgba(255,68,68,0.05);
  border: 1px solid rgba(255,68,68,0.1);
  border-left: 3px solid #ff4444;
}
.contact-info {
  margin-top: 16px;
  padding: 12px;
  background: rgba(201,168,76,0.05);
  border: 1px solid rgba(201,168,76,0.1);
  font-size: 12px;
  line-height: 1.8;
  color: rgba(255,255,255,0.7);
}

.modal-success { text-align: center; }
.success-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--black);
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}
.modal-success h2 {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 300;
  color: var(--gold);
  margin-bottom: 16px;
}
.modal-success p { font-size: 14px; color: rgba(255,255,255,0.7); line-height: 1.6; margin-bottom: 8px; }
.success-note { font-size: 12px; color: var(--gold); }

/* ========== FOOTER ========== */
.footer {
  background: var(--black);
  border-top: 1px solid var(--border);
  padding: 60px;
}
.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}
.footer-logo {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 300;
  color: var(--gold);
  letter-spacing: 0.4em;
}
.footer-links {
  display: flex;
  gap: 32px;
}
.footer-links button {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: 0.2em;
  cursor: pointer;
  transition: color var(--transition);
}
.footer-links button:hover { color: var(--gold); }
.footer-contact { font-size: 12px; color: var(--text-muted); line-height: 1.8; }
.footer-copy { font-size: 10px; color: rgba(255,255,255,0.2); letter-spacing: 0.1em; }

/* ========== NOTIFICATION ========== */
.notification {
  position: fixed;
  bottom: 30px; right: 30px;
  background: var(--dark2);
  border: 1px solid var(--gold);
  padding: 16px 24px;
  font-size: 12px;
  color: var(--white);
  letter-spacing: 0.05em;
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
}
.notification.show {
  transform: translateY(0);
  opacity: 1;
}

/* ========== REVIEWS ========== */
.reviews-section {
  margin-top: 60px;
  border-top: 1px solid var(--border);
  padding-top: 40px;
}
.reviews-header {
  margin-bottom: 30px;
}
.reviews-header h3 {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 300;
  color: var(--white);
  margin-bottom: 8px;
}
.reviews-summary {
  display: flex;
  align-items: center;
  gap: 12px;
}
.stars {
  color: var(--gold);
  font-size: 18px;
  letter-spacing: 2px;
}
.rating-text {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
}
.reviews-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 40px;
}
.review-item {
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding-bottom: 24px;
}
.review-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.review-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.review-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 8px;
}
.verified-badge {
  font-size: 10px;
  color: #4CAF50;
  font-weight: 400;
}
.review-date {
  font-size: 11px;
  color: rgba(255,255,255,0.4);
}
.review-stars {
  color: var(--gold);
  font-size: 14px;
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.review-text {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255,255,255,0.8);
}
.write-review-btn {
  background: transparent;
  border: 1px solid var(--white);
  color: var(--white);
  padding: 14px 24px;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all var(--transition);
  width: 100%;
}
.write-review-btn:hover {
  background: var(--white);
  color: var(--dark);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
  .header-nav { padding: 0 20px; }
  .nav-left .nav-btn:not(:last-child) { display: none; }
  .hero-title { font-size: 60px; }
  .featured-section, .bitcoin-section, .brands-section { padding: 60px 20px; }
  .catalog-header { padding: 40px 20px 24px; }
  .catalog-grid { padding: 20px; }
  .products-grid { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
  .product-detail { grid-template-columns: 1fr; padding: 20px; gap: 40px; }
  .product-gallery { position: static; }
  .features-strip { flex-wrap: wrap; }
  .feature-item { min-width: 50%; border-bottom: 1px solid var(--border); }
  .cart-sidebar { width: 100%; }
  .modal { padding: 28px 20px; }
  .filter-wrap { flex-wrap: wrap; }
  .about-content { padding: 0 20px; }
  .about-block { flex-direction: column; gap: 20px; }
  .about-title { font-size: 48px; }
}