/* ========================================
   TOOLS EMPIRE - HACKSNATION STYLE THEME
   Dark Cyberpunk / Hacker Aesthetic
   Version: 4.0
======================================== */

/* ========================================
   1. DESIGN TOKENS - DARK THEME
======================================== */
:root {
  /* Dark Backgrounds */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a25;
  --bg-card: #151520;
  --bg-hover: #1f1f2e;
  
  /* Cyber Accent Colors */
  --accent-primary: #00ff88;
  --accent-secondary: #00d4ff;
  --accent-tertiary: #a855f7;
  --accent-danger: #ff4757;
  --accent-warning: #ffa502;
  
  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: #a0a0b0;
  --text-muted: #6b6b7b;
  --text-dark: #4a4a5a;
  
  /* Gradients */
  --gradient-cyber: linear-gradient(135deg, #00ff88 0%, #00d4ff 50%, #a855f7 100%);
  --gradient-dark: linear-gradient(180deg, #0a0a0f 0%, #12121a 100%);
  --gradient-card: linear-gradient(145deg, #151520 0%, #1a1a25 100%);
  --gradient-glow: radial-gradient(circle, rgba(0,255,136,0.15) 0%, transparent 70%);
  
  /* Glow Effects */
  --glow-green: 0 0 20px rgba(0, 255, 136, 0.3);
  --glow-cyan: 0 0 20px rgba(0, 212, 255, 0.3);
  --glow-purple: 0 0 20px rgba(168, 85, 247, 0.3);
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  
  /* Typography */
  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-body: 'Inter', system-ui, sans-serif;
  
  /* Border */
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(0, 255, 136, 0.3);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.5);
  
  /* Legacy Compatibility Aliases */
  --primary: var(--accent-primary);
  --primary-light: var(--accent-secondary);
  --secondary: var(--accent-secondary);
  --accent: var(--accent-primary);
  --info: var(--accent-secondary);
  --success: #22c55e;
  --warning: #f59e0b;
  --error: var(--accent-danger);
  --danger: var(--accent-danger);
  
  --bg-dark: var(--bg-primary);
  --bg-darker: #050508;
  --surface: var(--bg-card);
  --surface-elevated: var(--bg-tertiary);
  
  --text-light: var(--text-primary);
  
  --border: var(--border-color);
  
  --gradient-primary: var(--gradient-cyber);
  --gradient-success: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
  --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --gradient-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

/* ========================================
   2. BASE STYLES
======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

/* Custom Scrollbar - Dark */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--text-dark);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

::selection {
  background: var(--accent-primary);
  color: var(--bg-primary);
}

/* ========================================
   3. NAVBAR - HACKER STYLE
======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 0;
}

.navbar-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* Logo */
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-cyber);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.brand-icon::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: var(--gradient-cyber);
  filter: blur(10px);
  opacity: 0.5;
  z-index: -1;
}

.brand-text {
  background: var(--gradient-cyber);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Search Bar */
.search-container {
  flex: 1;
  max-width: 500px;
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 0.25rem;
  transition: all 0.3s ease;
}

.search-box:focus-within {
  border-color: var(--accent-primary);
  box-shadow: var(--glow-green);
}

.search-box input {
  flex: 1;
  background: transparent;
  border: none;
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.search-box button {
  width: 40px;
  height: 40px;
  background: var(--accent-primary);
  border: none;
  border-radius: var(--radius-md);
  color: var(--bg-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.search-box button:hover {
  transform: scale(1.05);
  box-shadow: var(--glow-green);
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-cyber);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: var(--bg-hover);
}

.nav-link:hover::before,
.nav-link.active::before {
  width: 60%;
}

/* Cart Badge */
.cart-link {
  position: relative;
}

.cart-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  min-width: 18px;
  height: 18px;
  background: var(--accent-danger);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
  border: 2px solid var(--bg-primary);
}

/* Login Button */
.btn-login {
  background: transparent;
  border: 1px solid var(--accent-primary);
  color: var(--accent-primary);
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-login:hover {
  background: var(--accent-primary);
  color: var(--bg-primary);
  box-shadow: var(--glow-green);
}

/* ========================================
   4. HERO SECTION - DARK CYBER
======================================== */
.hero {
  position: relative;
  min-height: 500px;
  display: flex;
  align-items: center;
  background: var(--bg-secondary);
  padding: 8rem 2rem 4rem;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(0, 255, 136, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(0, 212, 255, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.hero-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 1400px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero-grid .hero-content {
  text-align: left;
}

.hero-content h1 {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.hero-content h1 span {
  background: var(--gradient-cyber);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.hero-grid .hero-content p {
  margin-left: 0;
  margin-right: 0;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-top: 3rem;
}

.stat-box {
  text-align: center;
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-primary);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Terminal Window Effect */
.hero-visual {
  position: relative;
}

.terminal-window {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.terminal-header {
  background: var(--bg-tertiary);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal-dot.red { background: #ff5f56; }
.terminal-dot.yellow { background: #ffbd2e; }
.terminal-dot.green { background: #27ca40; }

.terminal-body {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.terminal-line {
  margin-bottom: 0.5rem;
}

.terminal-prompt {
  color: var(--accent-primary);
}

.terminal-cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--accent-primary);
  animation: blink 1s infinite;
  vertical-align: middle;
  margin-left: 4px;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* ========================================
   5. CATEGORY GRID - FORUM STYLE
======================================== */
.categories-section {
  padding: 4rem 2rem;
  background: var(--bg-primary);
}

.section-header {
  max-width: 1400px;
  margin: 0 auto 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-title::before {
  content: '';
  width: 4px;
  height: 24px;
  background: var(--gradient-cyber);
  border-radius: 2px;
}

.category-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  transition: all 0.3s ease;
  cursor: pointer;
  text-decoration: none;
}

.category-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.category-icon {
  width: 48px;
  height: 48px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--accent-primary);
  flex-shrink: 0;
}

.category-info h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.category-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.category-count {
  margin-left: auto;
  padding: 0.25rem 0.75rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-secondary);
}

/* ========================================
   6. PRODUCT CARDS - DARK THEME
======================================== */
.products-section {
  padding: 4rem 2rem;
  background: var(--bg-secondary);
}

.product-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
  position: relative;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-cyber);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.product-card:hover::before {
  opacity: 1;
}

.product-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.product-image {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--bg-tertiary);
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.35rem 0.75rem;
  background: var(--accent-primary);
  color: var(--bg-primary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
}

.product-badge.hot {
  background: var(--accent-danger);
  color: white;
}

.product-badge.new {
  background: var(--accent-secondary);
  color: var(--bg-primary);
}

.wishlist-btn,
.product-wishlist {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  background: rgba(0,0,0,0.5);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.wishlist-btn:hover,
.product-wishlist:hover {
  background: var(--accent-danger);
  border-color: var(--accent-danger);
  color: white;
}

.product-content,
.product-info {
  padding: 1.25rem;
}

.product-category {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.product-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.product-price {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-primary);
}

.product-price .original {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-decoration: line-through;
  margin-left: 0.5rem;
}

.btn-add-cart {
  width: 40px;
  height: 40px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

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

.product-meta {
  margin-bottom: 1rem;
}

.btn-view {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

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

/* ========================================
   7. BUTTONS
======================================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background: var(--accent-primary);
  color: var(--bg-primary);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-green);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

/* Legacy button classes for compatibility */
.btn-premium {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background: var(--accent-primary);
  color: var(--bg-primary);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-premium:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-green);
}

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

.btn-premium.btn-outline:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  box-shadow: none;
}

.btn-secondary:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

/* ========================================
   8. FOOTER - DARK
======================================== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 4rem 2rem 2rem;
}

.footer-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
}

.footer-brand,
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-brand span,
.footer-logo span {
  background: var(--gradient-cyber);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.footer-social a:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: var(--bg-primary);
  transform: translateY(-3px);
}

.footer-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-links a:hover,
a.footer-link:hover {
  color: var(--accent-primary);
  padding-left: 0.5rem;
}

a.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-bottom {
  max-width: 1400px;
  margin: 3rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ========================================
   9. WHATSAPP FLOAT
======================================== */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.75rem;
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: all 0.3s ease;
  animation: pulse-whatsapp 2s infinite;
}

@keyframes pulse-whatsapp {
  0%, 100% { box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 8px 40px rgba(37, 211, 102, 0.6); }
}

.whatsapp-float:hover {
  transform: scale(1.1) rotate(10deg);
}

/* ========================================
   10. RESPONSIVE
======================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .hero-visual {
    order: -1;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .navbar-inner {
    padding: 1rem;
  }
  
  .search-container {
    display: none;
  }
  
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
    flex-direction: column;
    gap: 0.5rem;
    transform: translateY(-150%);
    transition: transform 0.3s ease;
    display: none;
  }
  
  .nav-links.active {
    transform: translateY(0);
    display: flex;
  }
  
  .nav-link {
    width: 100%;
    justify-content: center;
  }
  
  .mobile-menu-btn {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
  }
  
  .hero {
    padding: 6rem 1rem 3rem;
    min-height: auto;
  }
  
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .hero-content p {
    font-size: 1rem;
  }
  
  .category-grid,
  .product-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

/* Utility Classes */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.container-premium {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

@media (max-width: 768px) {
  .container,
  .container-premium {
    padding: 0 1rem;
  }
}

.text-gradient {
  background: var(--gradient-cyber);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glow-green {
  box-shadow: var(--glow-green);
}

.glow-cyan {
  box-shadow: var(--glow-cyan);
}

/* Alert & Notification Styles */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.alert-info {
  background: rgba(0, 212, 255, 0.1);
  border-color: rgba(0, 212, 255, 0.2);
  color: var(--accent-secondary);
}

.alert-success {
  background: rgba(0, 255, 136, 0.1);
  border-color: rgba(0, 255, 136, 0.2);
  color: var(--accent-primary);
}

.alert-warning {
  background: rgba(255, 165, 2, 0.1);
  border-color: rgba(255, 165, 2, 0.2);
  color: #ffa502;
}

.alert-danger,
.alert-error {
  background: rgba(255, 71, 87, 0.1);
  border-color: rgba(255, 71, 87, 0.2);
  color: var(--accent-danger);
}

/* Text Utilities */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

/* Animations */
@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

.animate-slide-up {
  animation: slideUp 0.6s ease forwards;
}

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

/* Loading Spinner */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Pulse Animation */
.pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}