:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary: #64748b;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --dark: #0f172a;
  --dark-secondary: #1e293b;
  --light: #f8fafc;
  --white: #ffffff;
  --gray: #e2e8f0;
  --gray-dark: #334155;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background: var(--white);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray);
  z-index: 100;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-size: 24px;
  font-weight: 800;
  color: var(--dark);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  color: var(--secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

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

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

.btn-outline {
  background: transparent;
  color: var(--dark);
  border: 2px solid var(--gray);
}

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

.btn-lg {
  padding: 16px 32px;
  font-size: 18px;
}

.w-full {
  width: 100%;
}

/* Hero */
.hero {
  padding: 160px 0 100px;
  text-align: center;
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.badge {
  display: inline-block;
  padding: 8px 16px;
  background: #dbeafe;
  color: var(--primary);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
}

.gradient-text {
  background: linear-gradient(90deg, var(--primary), #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  font-size: 20px;
  color: var(--secondary);
  max-width: 600px;
  margin: 0 auto 40px;
}

.cta-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 48px;
}

.trust-badges {
  display: flex;
  gap: 24px;
  justify-content: center;
  color: var(--secondary);
  font-size: 14px;
}

/* Features */
.features {
  padding: 100px 0;
  background: var(--white);
}

.features h2 {
  font-size: 40px;
  font-weight: 800;
  text-align: center;
  margin-bottom: 16px;
}

.section-desc {
  text-align: center;
  color: var(--secondary);
  font-size: 18px;
  margin-bottom: 48px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 32px;
  background: var(--light);
  border-radius: 16px;
  transition: all 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.feature-card .icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--secondary);
}

/* Pricing */
.pricing {
  padding: 100px 0;
  background: #f8fafc;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.pricing-card {
  background: var(--white);
  border-radius: 16px;
  padding: 32px;
  border: 2px solid var(--gray);
  position: relative;
  transition: all 0.2s;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured {
  border-color: var(--primary);
}

.pricing-card .badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
}

.pricing-header {
  text-align: center;
  margin-bottom: 24px;
}

.pricing-header h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}

.price .currency {
  font-size: 20px;
  font-weight: 600;
}

.price .amount {
  font-size: 48px;
  font-weight: 800;
}

.price .period {
  font-size: 16px;
  color: var(--secondary);
}

.pricing-header .desc {
  color: var(--secondary);
  margin-top: 8px;
}

.features-list {
  list-style: none;
  margin-bottom: 24px;
}

.features-list li {
  padding: 8px 0;
  color: var(--secondary);
  border-bottom: 1px solid var(--gray);
}

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

.trial-note {
  text-align: center;
  color: var(--secondary);
}

/* Register */
.register {
  padding: 100px 0;
  background: var(--white);
}

.register-form {
  max-width: 480px;
  margin: 0 auto;
  padding: 32px;
  background: var(--light);
  border-radius: 16px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  font-size: 16px;
  border: 2px solid var(--gray);
  border-radius: 8px;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
}

.form-note {
  text-align: center;
  font-size: 14px;
  color: var(--secondary);
  margin-top: 16px;
}

/* Contact */
.contact {
  padding: 100px 0;
  background: #f8fafc;
  text-align: center;
}

.contact h2 {
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 16px;
}

/* Footer */
.footer {
  padding: 32px 0;
  background: var(--dark);
  color: var(--white);
  text-align: center;
}

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

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--gray);
  text-decoration: none;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 36px;
  }
  
  .features-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .nav-links {
    display: none;
  }
  
  .cta-group {
    flex-direction: column;
  }
  
  .trust-badges {
    flex-direction: column;
    gap: 8px;
  }
}