:root {
  --primary-gold: #FFD700;
  --primary-green: #10B981;
  --primary-blue: #3B82F6;
  --dark-bg: #0F172A;
  --light-bg: #F8FAFC;
  --text-dark: #1E293B;
  --text-light: #64748B;
  --white: #FFFFFF;
  --gradient-primary: linear-gradient(135deg, #FFD700 0%, #10B981 50%, #3B82F6 100%);
  --gradient-overlay: linear-gradient(135deg, rgba(255, 215, 0, 0.9) 0%, rgba(16, 185, 129, 0.9) 50%, rgba(59, 130, 246, 0.9) 100%);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

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

.btn-gradient {
  background: var(--gradient-primary);
  border: none;
  color: var(--white);
  font-weight: 600;
  padding: 12px 32px;
  border-radius: 8px;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

.btn-gradient:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  color: var(--white);
}

.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-link {
  color: var(--text-dark);
  font-weight: 500;
  margin: 0 0.5rem;
  transition: color 0.3s ease;
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.hero-section {
  min-height: 600px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-overlay);
  opacity: 0.9;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: var(--white);
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s ease;
}

.hero-subtitle {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  opacity: 0.95;
  animation: fadeInUp 1s ease 0.2s both;
}

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

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

.floating {
  animation: float 3s ease-in-out infinite;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.card {
  border: none;
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  height: 100%;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.card-img-top {
  height: 220px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.card:hover .card-img-top {
  transform: scale(1.1);
}

.card-title {
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.75rem;
}

.card-text {
  color: var(--text-light);
  margin-bottom: 1rem;
}

.price {
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.feature-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--white);
  font-size: 2rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-box {
  text-align: center;
  padding: 2rem;
  border-radius: 16px;
  background: var(--white);
  transition: all 0.3s ease;
  height: 100%;
}

.feature-box:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.testimonial-card {
  background: var(--white);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  margin-bottom: 2rem;
}

.testimonial-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.stars {
  color: var(--primary-gold);
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.newsletter-section {
  background: var(--dark-bg);
  color: var(--white);
  padding: 60px 0;
  margin-top: 80px;
}

.newsletter-form {
  max-width: 600px;
  margin: 0 auto;
}

.newsletter-form input {
  border-radius: 8px 0 0 8px;
  border: none;
  padding: 14px 20px;
  font-size: 1rem;
}

.newsletter-form button {
  border-radius: 0 8px 8px 0;
  padding: 14px 32px;
}

footer {
  background: var(--dark-bg);
  color: var(--white);
  padding: 60px 0 30px;
}

.footer-links {
  list-style: none;
  padding: 0;
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  margin-right: 0.75rem;
  transition: all 0.3s ease;
  text-decoration: none;
}

.social-icons a:hover {
  background: var(--primary-green);
  transform: translateY(-3px);
}

.product-filter {
  background: var(--white);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  margin-bottom: 2rem;
}

.filter-btn {
  margin: 0.25rem;
  border-radius: 20px;
  padding: 8px 20px;
  border: 2px solid var(--primary-green);
  background: transparent;
  color: var(--primary-green);
  font-weight: 600;
  transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary-green);
  color: var(--white);
}

.badge-category {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.badge-vpn {
  background: linear-gradient(135deg, #3B82F6, #2563EB);
  color: var(--white);
}

.badge-antivirus {
  background: linear-gradient(135deg, #EF4444, #DC2626);
  color: var(--white);
}

.badge-esim {
  background: linear-gradient(135deg, #10B981, #059669);
  color: var(--white);
}

.badge-software {
  background: linear-gradient(135deg, #F59E0B, #D97706);
  color: var(--white);
}

.auth-modal .modal-content {
  border-radius: 20px;
  border: none;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.auth-modal .modal-header {
  border-bottom: none;
  padding: 2rem 2rem 1rem;
}

.auth-modal .modal-body {
  padding: 1rem 2rem 2rem;
}

.form-control:focus {
  border-color: var(--primary-green);
  box-shadow: 0 0 0 0.2rem rgba(16, 185, 129, 0.25);
}

.cart-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--primary-green);
  color: var(--white);
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}

.blog-card {
  border: none;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.blog-meta {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.blog-category {
  display: inline-block;
  padding: 4px 12px;
  background: var(--primary-green);
  color: var(--white);
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--white);
  animation: spin 1s ease-in-out infinite;
}

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

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .navbar-brand {
    font-size: 1.5rem;
  }
}

.smooth-scroll {
  scroll-behavior: smooth;
}

.fade-in {
  animation: fadeIn 0.6s ease-in;
}

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