/* Novatrend Design System */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: rgba(255,255,255,0.04);
  --bg-glass: rgba(255,255,255,0.06);
  --border-glass: rgba(255,255,255,0.08);
  --text-primary: #f0f0f5;
  --text-secondary: #8888a0;
  --text-muted: #55556a;
  --accent-1: #8b5cf6;
  --accent-2: #ec4899;
  --accent-3: #06b6d4;
  --gradient-main: linear-gradient(135deg, #8b5cf6, #ec4899);
  --gradient-card: linear-gradient(145deg, rgba(139,92,246,0.1), rgba(236,72,153,0.05));
  --shadow-glow: 0 0 30px rgba(139,92,246,0.15);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --font-main: 'Inter', system-ui, sans-serif;
  --font-display: 'Outfit', system-ui, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

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

/* === UTILITY === */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.text-gradient { background: var(--gradient-main); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* === NAVBAR === */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10,10,15,0.8);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  transition: var(--transition);
}
.navbar.scrolled { background: rgba(10,10,15,0.95); box-shadow: 0 4px 30px rgba(0,0,0,0.3); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.nav-logo { font-family: var(--font-display); font-size: 1.6rem; font-weight: 800; text-decoration: none; }
.nav-logo span { color: var(--text-primary); }
.nav-logo .logo-dot { color: var(--accent-2); }
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  color: var(--text-secondary); text-decoration: none; font-size: 0.9rem;
  font-weight: 500; transition: var(--transition); position: relative;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
  background: var(--gradient-main); transition: var(--transition);
}
.nav-links a:hover::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 16px; }
.nav-cart {
  position: relative; background: none; border: none; color: var(--text-primary);
  cursor: pointer; font-size: 1.3rem; padding: 8px; transition: var(--transition);
}
.nav-cart:hover { color: var(--accent-1); transform: scale(1.1); }
.cart-count {
  position: absolute; top: 0; right: 0; background: var(--accent-2);
  color: #fff; font-size: 0.65rem; font-weight: 700; width: 18px; height: 18px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
}
.menu-toggle { display: none; background: none; border: none; color: var(--text-primary); font-size: 1.5rem; cursor: pointer; }

/* === HERO === */
.hero {
  min-height: 100vh; display: flex; align-items: center; position: relative;
  overflow: hidden; padding-top: 70px;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(139,92,246,0.12) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 50%, rgba(236,72,153,0.08) 0%, transparent 60%);
}
.hero-content { position: relative; z-index: 2; text-align: center; max-width: 800px; margin: 0 auto; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--bg-glass); border: 1px solid var(--border-glass);
  padding: 8px 20px; border-radius: 100px; font-size: 0.85rem;
  color: var(--text-secondary); margin-bottom: 24px;
  animation: fadeInUp 0.8s ease;
}
.hero-badge .pulse { width: 8px; height: 8px; background: #10b981; border-radius: 50%; animation: pulse 2s infinite; }
.hero h1 {
  font-family: var(--font-display); font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800; line-height: 1.1; margin-bottom: 24px;
  animation: fadeInUp 0.8s ease 0.1s both;
}
.hero p {
  font-size: clamp(1rem, 2vw, 1.2rem); color: var(--text-secondary);
  max-width: 600px; margin: 0 auto 40px;
  animation: fadeInUp 0.8s ease 0.2s both;
}
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; animation: fadeInUp 0.8s ease 0.3s both; }
.hero-stats {
  display: flex; gap: 48px; justify-content: center; margin-top: 60px;
  animation: fadeInUp 0.8s ease 0.4s both;
}
.stat { text-align: center; }
.stat-value { font-family: var(--font-display); font-size: 2rem; font-weight: 800; }
.stat-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }

/* === BUTTONS === */
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 14px 32px;
  border-radius: var(--radius-md); font-family: var(--font-main);
  font-size: 0.95rem; font-weight: 600; cursor: pointer;
  transition: var(--transition); text-decoration: none; border: none;
}
.btn-primary {
  background: var(--gradient-main); color: #fff;
  box-shadow: 0 4px 20px rgba(139,92,246,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(139,92,246,0.4); }
.btn-outline {
  background: transparent; color: var(--text-primary);
  border: 1px solid var(--border-glass);
}
.btn-outline:hover { background: var(--bg-glass); border-color: var(--accent-1); }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-block { width: 100%; justify-content: center; }

/* === SECTION HEADERS === */
.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 { font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; margin-bottom: 16px; }
.section-header p { color: var(--text-secondary); max-width: 600px; margin: 0 auto; font-size: 1.05rem; }

/* === PRODUCT CARDS === */
.products-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.product-card {
  background: var(--bg-card); border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: var(--transition); position: relative;
}
.product-card:hover { transform: translateY(-6px); border-color: rgba(139,92,246,0.3); box-shadow: var(--shadow-glow); }
.product-card .card-image {
  position: relative; aspect-ratio: 1; overflow: hidden;
  background: var(--bg-secondary);
}
.product-card .card-image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}
.product-card:hover .card-image img { transform: scale(1.08); }
.product-badge {
  position: absolute; top: 12px; left: 12px;
  padding: 4px 12px; border-radius: 100px;
  font-size: 0.72rem; font-weight: 700; color: #fff; text-transform: uppercase;
  letter-spacing: 0.5px;
}
.discount-badge {
  position: absolute; top: 12px; right: 12px;
  background: rgba(239,68,68,0.9); padding: 4px 10px;
  border-radius: 100px; font-size: 0.72rem; font-weight: 700; color: #fff;
}
.card-body { padding: 20px; }
.card-category { font-size: 0.75rem; color: var(--accent-1); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.card-title { font-family: var(--font-display); font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; line-height: 1.3; }
.card-title a { color: var(--text-primary); text-decoration: none; transition: var(--transition); }
.card-title a:hover { color: var(--accent-1); }
.card-desc { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 12px; line-height: 1.5; }
.card-rating { display: flex; align-items: center; gap: 6px; margin-bottom: 12px; }
.stars { color: #fbbf24; font-size: 0.85rem; letter-spacing: 1px; }
.rating-text { font-size: 0.78rem; color: var(--text-muted); }
.card-price { display: flex; align-items: baseline; gap: 8px; margin-bottom: 16px; }
.price-current { font-family: var(--font-display); font-size: 1.4rem; font-weight: 800; color: var(--text-primary); }
.price-old { font-size: 0.9rem; color: var(--text-muted); text-decoration: line-through; }
.card-actions { display: flex; gap: 8px; }
.card-actions .btn { flex: 1; }

/* === CATEGORY FILTER === */
.category-filter { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-bottom: 40px; }
.filter-btn {
  background: var(--bg-glass); border: 1px solid var(--border-glass);
  color: var(--text-secondary); padding: 8px 20px; border-radius: 100px;
  font-size: 0.85rem; font-weight: 500; cursor: pointer; transition: var(--transition);
  font-family: var(--font-main);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--gradient-main); color: #fff; border-color: transparent;
}

/* === FEATURES SECTION === */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; }
.feature-card {
  background: var(--bg-card); border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg); padding: 32px; text-align: center;
  transition: var(--transition);
}
.feature-card:hover { transform: translateY(-4px); border-color: rgba(139,92,246,0.2); }
.feature-icon { font-size: 2.5rem; margin-bottom: 16px; }
.feature-card h3 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 0.88rem; color: var(--text-secondary); }

/* === PRODUCT PAGE === */
.product-page { padding-top: 100px; }
.product-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.product-gallery { position: sticky; top: 100px; }
.gallery-main {
  aspect-ratio: 1; border-radius: var(--radius-lg); overflow: hidden;
  background: var(--bg-secondary); margin-bottom: 12px;
}
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumbs { display: flex; gap: 8px; }
.gallery-thumb {
  width: 80px; height: 80px; border-radius: var(--radius-sm); overflow: hidden;
  border: 2px solid transparent; cursor: pointer; transition: var(--transition);
  background: var(--bg-secondary);
}
.gallery-thumb.active, .gallery-thumb:hover { border-color: var(--accent-1); }
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-info { }
.product-info .breadcrumb { display: flex; gap: 8px; font-size: 0.82rem; color: var(--text-muted); margin-bottom: 16px; }
.product-info .breadcrumb a { color: var(--text-secondary); text-decoration: none; }
.product-info .breadcrumb a:hover { color: var(--accent-1); }
.product-info h1 { font-family: var(--font-display); font-size: 2rem; font-weight: 800; margin-bottom: 12px; line-height: 1.2; }
.product-meta { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.product-price-block { margin-bottom: 24px; }
.product-price-block .price-current { font-size: 2.2rem; }
.product-price-block .price-old { font-size: 1.1rem; }
.product-price-block .save-badge {
  display: inline-block; background: rgba(16,185,129,0.15); color: #10b981;
  padding: 4px 12px; border-radius: 100px; font-size: 0.8rem; font-weight: 600; margin-left: 12px;
}
.product-description { margin-bottom: 24px; color: var(--text-secondary); line-height: 1.8; }
.product-description p { margin-bottom: 12px; }
.product-description strong { color: var(--text-primary); }
.product-features { margin-bottom: 32px; }
.product-features h3 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; margin-bottom: 12px; }
.feature-list { list-style: none; }
.feature-list li {
  padding: 8px 0; border-bottom: 1px solid var(--border-glass);
  font-size: 0.9rem; color: var(--text-secondary); display: flex; align-items: center; gap: 10px;
}
.feature-list li::before { content: '✓'; color: #10b981; font-weight: 700; }
.quantity-selector { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.quantity-selector label { font-size: 0.9rem; font-weight: 600; }
.qty-controls { display: flex; align-items: center; border: 1px solid var(--border-glass); border-radius: var(--radius-sm); overflow: hidden; }
.qty-btn {
  background: var(--bg-glass); border: none; color: var(--text-primary);
  width: 40px; height: 40px; font-size: 1.1rem; cursor: pointer; transition: var(--transition);
}
.qty-btn:hover { background: var(--accent-1); }
.qty-input {
  width: 50px; height: 40px; text-align: center; background: transparent;
  border: none; color: var(--text-primary); font-size: 1rem; font-family: var(--font-main);
}
.product-actions { display: flex; gap: 12px; margin-bottom: 24px; }
.trust-badges { display: flex; gap: 24px; padding: 20px 0; border-top: 1px solid var(--border-glass); }
.trust-badge { display: flex; align-items: center; gap: 8px; font-size: 0.82rem; color: var(--text-muted); }
.trust-badge .icon { font-size: 1.2rem; }

/* === CART SIDEBAR === */
.cart-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 2000;
  opacity: 0; visibility: hidden; transition: var(--transition);
}
.cart-overlay.open { opacity: 1; visibility: visible; }
.cart-sidebar {
  position: fixed; top: 0; right: -420px; width: 400px; max-width: 90vw;
  height: 100vh; background: var(--bg-secondary); z-index: 2001;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex; flex-direction: column;
  border-left: 1px solid var(--border-glass);
}
.cart-overlay.open .cart-sidebar { right: 0; transform: translateX(0); }
.cart-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; border-bottom: 1px solid var(--border-glass);
}
.cart-header h3 { font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; }
.cart-close { background: none; border: none; color: var(--text-secondary); font-size: 1.5rem; cursor: pointer; }
.cart-items { flex: 1; overflow-y: auto; padding: 16px 24px; }
.cart-item {
  display: flex; gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--border-glass);
}
.cart-item-img { width: 70px; height: 70px; border-radius: var(--radius-sm); overflow: hidden; background: var(--bg-card); flex-shrink: 0; }
.cart-item-img img { width: 100%; height: 100%; object-fit: cover; }
.cart-item-info { flex: 1; }
.cart-item-name { font-size: 0.9rem; font-weight: 600; margin-bottom: 4px; }
.cart-item-price { font-size: 0.85rem; color: var(--accent-1); font-weight: 700; }
.cart-item-qty { font-size: 0.8rem; color: var(--text-muted); }
.cart-item-remove { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 0.85rem; }
.cart-item-remove:hover { color: #ef4444; }
.cart-empty { text-align: center; padding: 60px 0; color: var(--text-muted); }
.cart-empty .empty-icon { font-size: 3rem; margin-bottom: 16px; }
.cart-footer { padding: 20px 24px; border-top: 1px solid var(--border-glass); }
.cart-total { display: flex; justify-content: space-between; margin-bottom: 16px; font-size: 1.1rem; font-weight: 700; }

/* === FOOTER === */
.footer { background: var(--bg-secondary); border-top: 1px solid var(--border-glass); padding: 60px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .footer-logo { font-family: var(--font-display); font-size: 1.4rem; font-weight: 800; margin-bottom: 12px; }
.footer-brand p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }
.footer-col h4 { font-family: var(--font-display); font-size: 0.9rem; font-weight: 700; margin-bottom: 16px; color: var(--text-primary); }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: var(--text-muted); text-decoration: none; font-size: 0.85rem; transition: var(--transition); }
.footer-col a:hover { color: var(--accent-1); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; border-top: 1px solid var(--border-glass); font-size: 0.8rem; color: var(--text-muted); }
.social-links { display: flex; gap: 16px; }
.social-links a { color: var(--text-muted); font-size: 1.2rem; transition: var(--transition); text-decoration: none; }
.social-links a:hover { color: var(--accent-1); }

/* === ANIMATIONS === */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.animate-on-scroll { opacity: 0; transform: translateY(30px); transition: all 0.6s ease; }
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .menu-toggle { display: block; }
  .nav-links.mobile-open {
    display: flex; flex-direction: column; position: absolute;
    top: 70px; left: 0; right: 0; background: var(--bg-secondary);
    padding: 24px; gap: 16px; border-bottom: 1px solid var(--border-glass);
  }
  .hero-stats { gap: 24px; }
  .product-layout { grid-template-columns: 1fr; }
  .product-gallery { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .products-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .hero-buttons { flex-direction: column; align-items: center; }
  .section { padding: 60px 0; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .trust-badges { flex-direction: column; gap: 12px; }
  .products-grid { grid-template-columns: 1fr; }
}