:root {
  --bg-dark: #070913;
  --bg-card: rgba(16, 23, 42, 0.75);
  --neon-cyan: #00f3ff;
  --neon-magenta: #ff007f;
  --neon-purple: #9d4edd;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --border-glow: rgba(0, 243, 255, 0.3);
  --font-heading: 'Orbitron', sans-serif;
  --font-body: 'Rajdhani', sans-serif;
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Background Galaxy FX */
.stars-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: 
    radial-gradient(circle at 20% 30%, rgba(157, 78, 221, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(0, 243, 255, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(255, 0, 127, 0.08) 0%, transparent 60%);
  z-index: -1;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Typography */
h1, h2, h3, .brand-logo {
  font-family: var(--font-heading);
  letter-spacing: 1px;
}

/* Navigation */
.header-bar {
  background: rgba(7, 9, 19, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-glow);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 15px 0;
}

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

.brand-logo {
  color: var(--neon-cyan);
  font-size: 1.5rem;
  font-weight: 900;
  text-decoration: none;
  text-shadow: 0 0 10px rgba(0, 243, 255, 0.5);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links {
  display: flex;
  gap: 25px;
}

.nav-links a {
  color: var(--text-main);
  text-decoration: none;
  font-weight: 600;
  text-transform: uppercase;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: var(--neon-cyan);
}

.cart-trigger {
  background: transparent;
  border: 1px solid var(--neon-cyan);
  color: var(--neon-cyan);
  padding: 8px 16px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  cursor: pointer;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 0 10px rgba(0, 243, 255, 0.2);
  transition: all 0.3s;
}

.cart-trigger:hover {
  background: var(--neon-cyan);
  color: var(--bg-dark);
}

.cart-badge {
  background: var(--neon-magenta);
  color: #fff;
  border-radius: 50%;
  padding: 2px 8px;
  font-size: 0.8rem;
  font-weight: bold;
}

/* Hero Section */
.hero-section {
  padding: 100px 0 60px;
  text-align: center;
  position: relative;
}

.hero-badge {
  display: inline-block;
  background: rgba(0, 243, 255, 0.1);
  border: 1px solid var(--neon-cyan);
  color: var(--neon-cyan);
  padding: 4px 14px;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  border-radius: 20px;
  margin-bottom: 20px;
}

.hero-content h1 {
  font-size: 3rem;
  color: #fff;
  text-shadow: 0 0 20px rgba(0, 243, 255, 0.4);
  margin-bottom: 15px;
}

.hero-content p {
  max-width: 650px;
  margin: 0 auto 30px;
  color: var(--text-muted);
  font-size: 1.2rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
  color: #fff;
  box-shadow: 0 0 15px rgba(0, 243, 255, 0.4);
}

.btn-primary:hover {
  box-shadow: 0 0 25px rgba(0, 243, 255, 0.8);
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
}

/* Main Catalog Controls */
.main-content {
  padding: 40px 20px 80px;
}

.catalog-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 40px;
}

.search-box input {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-glow);
  color: #fff;
  padding: 10px 18px;
  font-family: var(--font-body);
  font-size: 1rem;
  border-radius: 4px;
  width: 280px;
  outline: none;
}

.search-box input:focus {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 10px rgba(0, 243, 255, 0.3);
}

.filter-buttons {
  display: flex;
  gap: 10px;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glow);
  color: var(--text-main);
  padding: 8px 16px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.3s;
}

.filter-btn.active, .filter-btn:hover {
  background: var(--neon-cyan);
  color: var(--bg-dark);
  border-color: var(--neon-cyan);
}

/* Product Cards Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 25px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: 8px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s ease;
  backdrop-filter: blur(8px);
}

.product-card:hover {
  transform: translateY(-5px);
  border-color: var(--neon-cyan);
  box-shadow: 0 0 20px rgba(0, 243, 255, 0.25);
}

.card-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background: var(--neon-magenta);
  color: #fff;
  font-size: 0.75rem;
  font-family: var(--font-heading);
  padding: 3px 8px;
  border-radius: 3px;
}

.card-image {
  width: 100%;
  height: 180px;
  object-fit: contain;
  margin-bottom: 15px;
}

.card-title {
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 8px;
}

.card-description {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 15px;
  flex-grow: 1;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
}

.card-price {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--neon-cyan);
}

/* Cart Drawer */
.cart-drawer {
  position: fixed;
  top: 0;
  right: -400px;
  width: 360px;
  height: 100vh;
  background: #0b0f19;
  border-left: 1px solid var(--neon-cyan);
  box-shadow: -5px 0 25px rgba(0, 0, 0, 0.8);
  z-index: 200;
  display: flex;
  flex-direction: column;
  transition: right 0.4s ease;
}

.cart-drawer.open {
  right: 0;
}

.cart-header {
  padding: 20px;
  border-bottom: 1px solid var(--border-glow);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.close-btn {
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 1.8rem;
  cursor: pointer;
}

.cart-body {
  flex-grow: 1;
  padding: 20px;
  overflow-y: auto;
}

.cart-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.cart-item-info h4 {
  font-size: 0.95rem;
  color: #fff;
}

.cart-item-info p {
  color: var(--neon-cyan);
  font-size: 0.9rem;
}

.remove-item {
  background: transparent;
  border: none;
  color: var(--neon-magenta);
  cursor: pointer;
  font-size: 1.2rem;
}

.cart-footer {
  padding: 20px;
  border-top: 1px solid var(--border-glow);
}

.cart-summary {
  display: flex;
  justify-content: space-between;
  font-size: 1.2rem;
  margin-bottom: 15px;
}

.cart-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.6);
  z-index: 150;
  display: none;
}

.cart-overlay.open {
  display: block;
}

/* Footer Bar */
.footer-bar {
  background: rgba(7, 9, 19, 0.95);
  border-top: 1px solid var(--border-glow);
  padding: 30px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 2rem;
  }
  .catalog-controls {
    flex-direction: column;
    align-items: stretch;
  }
  .search-box input {
    width: 100%;
  }
  .cart-drawer {
    width: 100%;
    right: -100%;
  }
}