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

:root {
  --primary-color: #FFD700;
  --secondary-color: #FFA500;
  --dark-bg: #000000;
  --card-bg: #111111;
  --border-color: #333333;
  --text-primary: #ffffff;
  --text-secondary: #cccccc;
  --text-muted: #999999;
}

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

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

.navbar {
  background: rgba(0, 0, 0, 0.95);
  border-bottom: 2px solid var(--primary-color);
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo {
  width: 45px;
  height: 45px;
}

.brand-name {
  font-size: 26px;
  font-weight: 700;
  color: var(--primary-color);
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 35px;
  align-items: center;
}

.nav-links a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
  font-size: 15px;
}

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

.cta-nav {
  background: var(--primary-color);
  color: var(--dark-bg) !important;
  padding: 10px 24px;
  border-radius: 6px;
  font-weight: 600;
}

.cta-nav:hover {
  background: var(--secondary-color);
  color: var(--dark-bg) !important;
}

.hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255, 215, 0, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 58px;
  font-weight: 800;
  margin-bottom: 24px;
  line-height: 1.15;
  letter-spacing: -1px;
}

.highlight {
  color: var(--primary-color);
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 20px;
  justify-content: center;
  align-items: center;
}

.btn {
  display: inline-block;
  padding: 16px 40px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  transition: all 0.3s;
  cursor: pointer;
  border: 2px solid transparent;
}

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

.btn-primary:hover {
  background: var(--secondary-color);
  border-color: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
}

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

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

.btn-large {
  padding: 20px 50px;
  font-size: 18px;
}

.stats {
  background: var(--dark-bg);
  padding: 60px 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  text-align: center;
}

.stat-number {
  font-size: 48px;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 16px;
  color: var(--text-muted);
}

.section-title {
  text-align: center;
  font-size: 44px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 60px;
  font-size: 18px;
}

.features {
  padding: 100px 0;
  background: var(--dark-bg);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 36px 28px;
  transition: all 0.3s;
}

.feature-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-5px);
  box-shadow: 0 12px 35px rgba(255, 215, 0, 0.15);
}

.feature-icon {
  font-size: 52px;
  margin-bottom: 20px;
}

.feature-card h3 {
  color: var(--primary-color);
  font-size: 22px;
  margin-bottom: 12px;
  font-weight: 600;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
}

.pricing {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--dark-bg) 0%, #0a0a0a 100%);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
  max-width: 1100px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: 16px;
  padding: 40px 28px;
  position: relative;
  transition: all 0.3s;
}

.pricing-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-8px);
  box-shadow: 0 15px 45px rgba(255, 215, 0, 0.2);
}

.pricing-card.featured {
  border-color: var(--primary-color);
  background: linear-gradient(135deg, #1a1a1a 0%, var(--card-bg) 100%);
}

.badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-color);
  color: var(--dark-bg);
  padding: 6px 20px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
}

.plan-header h3 {
  color: var(--primary-color);
  font-size: 26px;
  margin-bottom: 16px;
  font-weight: 600;
}

.price {
  margin-bottom: 32px;
}

.currency {
  font-size: 22px;
  color: var(--text-muted);
  vertical-align: super;
}

.amount {
  font-size: 54px;
  font-weight: 800;
  color: var(--primary-color);
}

.period {
  font-size: 17px;
  color: var(--text-muted);
}

.features-list {
  list-style: none;
  margin-bottom: 32px;
}

.features-list li {
  padding: 14px 0;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 10px;
}

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

.check {
  color: var(--primary-color);
  font-weight: bold;
  font-size: 18px;
}

.cross {
  color: var(--text-muted);
  font-size: 18px;
}

.plan-button {
  width: 100%;
  background: var(--primary-color);
  color: var(--dark-bg);
  border: none;
  padding: 16px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
}

.plan-button:hover {
  background: var(--secondary-color);
  transform: scale(1.03);
}

.how-it-works {
  padding: 100px 0;
  background: var(--dark-bg);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 50px;
}

.step {
  text-align: center;
}

.step-number {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--dark-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 800;
  margin: 0 auto 24px;
}

.step h3 {
  color: var(--primary-color);
  font-size: 20px;
  margin-bottom: 12px;
  font-weight: 600;
}

.step p {
  color: var(--text-muted);
  line-height: 1.7;
}

.cta-section {
  background: linear-gradient(135deg, #1a1a1a 0%, var(--dark-bg) 100%);
  padding: 100px 0;
  text-align: center;
}

.cta-section h2 {
  font-size: 42px;
  color: var(--text-primary);
  margin-bottom: 20px;
  font-weight: 700;
}

.cta-section p {
  font-size: 20px;
  color: var(--text-muted);
  margin-bottom: 40px;
}

.footer {
  background: var(--dark-bg);
  border-top: 2px solid var(--border-color);
  padding: 60px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
  margin-bottom: 40px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-logo {
  width: 60px;
  height: 60px;
}

.footer-brand p {
  color: var(--text-muted);
  max-width: 400px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.footer-column h4 {
  color: var(--primary-color);
  margin-bottom: 16px;
  font-size: 16px;
  font-weight: 600;
}

.footer-column a {
  display: block;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: 10px;
  transition: color 0.3s;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid var(--border-color);
}

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

.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(5px);
}

.modal-content {
  background-color: var(--card-bg);
  margin: 8% auto;
  padding: 50px 40px;
  border: 2px solid var(--primary-color);
  border-radius: 16px;
  width: 90%;
  max-width: 500px;
  position: relative;
}

.close {
  color: var(--text-muted);
  position: absolute;
  right: 24px;
  top: 20px;
  font-size: 32px;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.3s;
}

.close:hover {
  color: var(--primary-color);
}

.modal-content h2 {
  color: var(--primary-color);
  margin-bottom: 16px;
  font-size: 28px;
}

.modal-content p {
  color: var(--text-secondary);
  margin-bottom: 28px;
}

#checkout-form input {
  width: 100%;
  padding: 16px;
  background: var(--dark-bg);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 16px;
  margin-bottom: 24px;
  transition: border-color 0.3s;
}

#checkout-form input:focus {
  outline: none;
  border-color: var(--primary-color);
}

.submit-button {
  width: 100%;
  background: var(--primary-color);
  color: var(--dark-bg);
  border: none;
  padding: 16px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
}

.submit-button:hover {
  background: var(--secondary-color);
  transform: scale(1.02);
}

.error-message {
  color: #ff4444;
  margin-top: 16px;
  display: none;
  font-size: 14px;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 38px;
  }

  .hero-subtitle {
    font-size: 17px;
  }

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

  .pricing-grid,
  .feature-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    gap: 20px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }
}