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

:root {
  --primary-color: #00d9ff;
  --primary-dark: #0099cc;
  --bg-primary: #0a0e27;
  --bg-secondary: #1a1f3a;
  --text-primary: #ffffff;
  --text-secondary: #b0b8d4;
  --border-color: #2a2f4a;
  --accent: #ff1b6d;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
}

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

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 39, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  padding: 15px 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-color);
}

.logo-icon {
  width: 28px;
  height: 28px;
  color: var(--primary-color);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.05) 0%, rgba(255, 27, 109, 0.05) 100%);
}

.hero-content {
  max-width: 700px;
}

.hero h1 {
  font-size: 48px;
  line-height: 1.2;
  margin-bottom: 20px;
  font-weight: 700;
}

.hero p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 30px;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--bg-primary);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
  background-color: var(--primary-color);
  color: var(--bg-primary);
}

.btn-large {
  padding: 16px 48px;
  font-size: 16px;
}

.btn-block {
  width: 100%;
}

/* Features Section */
.features {
  padding: 80px 0;
  background-color: var(--bg-secondary);
}

.features h2 {
  font-size: 42px;
  margin-bottom: 50px;
  text-align: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.feature-card {
  background: rgba(0, 217, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  transition: all 0.3s ease;
}

.feature-card:hover {
  border-color: var(--primary-color);
  background: rgba(0, 217, 255, 0.1);
  transform: translateY(-5px);
}

.feature-icon {
  font-size: 48px;
  margin-bottom: 15px;
}

.feature-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 14px;
}

/* How It Works */
.how-it-works {
  padding: 80px 0;
}

.how-it-works h2 {
  font-size: 42px;
  margin-bottom: 60px;
  text-align: center;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  position: relative;
}

.step {
  background: rgba(0, 217, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 40px;
  text-align: center;
  position: relative;
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--primary-color);
  color: var(--bg-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 700;
  margin: 0 auto 20px;
}

.step h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.step p {
  color: var(--text-secondary);
  font-size: 14px;
}

/* Secondary CTA */
.secondary-cta {
  padding: 60px 0;
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.1) 0%, rgba(255, 27, 109, 0.1) 100%);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  margin: 60px 0;
  text-align: center;
}

.secondary-cta h2 {
  font-size: 36px;
  margin-bottom: 15px;
}

.secondary-cta p {
  color: var(--text-secondary);
  font-size: 16px;
  margin-bottom: 30px;
}

/* Pricing Section */
.pricing {
  padding: 80px 0;
  background-color: var(--bg-secondary);
}

.pricing h2 {
  font-size: 42px;
  margin-bottom: 50px;
  text-align: center;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.price-card {
  background: rgba(0, 217, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 40px 30px;
  position: relative;
  transition: all 0.3s ease;
}

.price-card.featured {
  border-color: var(--primary-color);
  background: rgba(0, 217, 255, 0.1);
  transform: scale(1.05);
}

.price-card:hover {
  border-color: var(--primary-color);
  background: rgba(0, 217, 255, 0.08);
}

.price-badge {
  position: absolute;
  top: -12px;
  left: 20px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

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

.price-card h3 {
  font-size: 24px;
  margin: 30px 0 20px 0;
}

.price {
  font-size: 42px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 5px;
}

.price-period {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 10px;
}

.discount {
  background: rgba(0, 217, 255, 0.1);
  color: var(--primary-color);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 20px;
  font-weight: 600;
}

.price-features {
  list-style: none;
  margin: 25px 0;
  text-align: left;
}

.price-features li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border-color);
  font-size: 14px;
  color: var(--text-secondary);
}

.price-features li:last-child {
  border-bottom: none;
}

/* Brands Section */
.brands {
  padding: 80px 0;
}

.brands h2 {
  font-size: 42px;
  margin-bottom: 15px;
  text-align: center;
}

.brands-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 50px;
  font-size: 16px;
}

.brands-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.brand-card {
  background: rgba(0, 217, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 40px 20px;
  text-align: center;
  text-decoration: none;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
}

.brand-card:hover {
  border-color: var(--primary-color);
  background: rgba(0, 217, 255, 0.1);
  transform: translateY(-5px);
}

.brand-name {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
}

/* FAQ Section */
.faq {
  padding: 80px 0;
  background-color: var(--bg-secondary);
}

.faq h2 {
  font-size: 42px;
  margin-bottom: 50px;
  text-align: center;
}

.faq-grid {
  display: grid;
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: rgba(0, 217, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.faq-question:hover {
  background: rgba(0, 217, 255, 0.08);
}

.faq-question h3 {
  font-size: 16px;
  flex: 1;
}

.faq-toggle {
  font-size: 24px;
  color: var(--primary-color);
  transition: transform 0.3s ease;
  font-weight: 300;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 25px 25px 25px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
  border-top: 1px solid var(--border-color);
}

.faq-item.active .faq-answer {
  display: block;
}

/* Footer CTA */
.footer-cta {
  padding: 60px 0;
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.15) 0%, rgba(255, 27, 109, 0.15) 100%);
  border-radius: 20px;
  text-align: center;
  margin-bottom: 40px;
}

.footer-cta h2 {
  font-size: 36px;
  margin-bottom: 15px;
}

.footer-cta p {
  color: var(--text-secondary);
  font-size: 16px;
  margin-bottom: 30px;
}

/* Footer */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 40px 0;
  text-align: center;
}

.footer p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 10px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 32px;
  }

  .hero p {
    font-size: 16px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .nav-links {
    gap: 15px;
    font-size: 12px;
  }

  .features h2,
  .how-it-works h2,
  .pricing h2,
  .brands h2,
  .faq h2 {
    font-size: 32px;
  }

  .price-card.featured {
    transform: scale(1);
  }

  .step {
    padding: 30px 20px;
  }

  .faq-question h3 {
    font-size: 14px;
  }

  .hero {
    padding: 50px 0;
  }

  .features,
  .how-it-works,
  .pricing,
  .brands,
  .faq {
    padding: 50px 0;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 24px;
  }

  .hero p {
    font-size: 14px;
  }

  .container {
    padding: 0 15px;
  }

  .nav-links {
    display: none;
  }

  .btn {
    padding: 10px 20px;
    font-size: 13px;
  }

  .price {
    font-size: 32px;
  }
}