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

:root {
  --primary: #3b82f6;
  --primary-dark: #1e40af;
  --secondary: #0f172a;
  --accent: #10b981;
  --neutral-light: #f8fafc;
  --neutral-gray: #64748b;
  --text-dark: #1e293b;
  --text-light: #f1f5f9;
  --border: #e2e8f0;
}

html {
  scroll-behavior: smooth;
}

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

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

/* Navigation */
.navbar {
  background: var(--secondary);
  color: var(--text-light);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
}

.logo svg {
  flex-shrink: 0;
}

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

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

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

@media (max-width: 768px) {
  .nav-links {
    gap: 15px;
    font-size: 12px;
  }
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--secondary) 0%, #1a2f5a 100%);
  color: var(--text-light);
  padding: 100px 20px;
  text-align: center;
}

.hero h1 {
  font-size: 52px;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 18px;
  margin-bottom: 30px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0.95;
}

.cta-button {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 14px 32px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  border: 2px solid var(--primary);
  cursor: pointer;
}

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

.cta-button.large {
  padding: 16px 40px;
  font-size: 16px;
}

.cta-button.featured {
  background: var(--accent);
  border-color: var(--accent);
}

.cta-button.featured:hover {
  background: #059669;
  border-color: #059669;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 36px;
  }
  .hero-subtitle {
    font-size: 16px;
  }
}

/* Features Section */
.features {
  padding: 80px 20px;
  background: var(--neutral-light);
}

.features h2 {
  font-size: 40px;
  margin-bottom: 50px;
  text-align: center;
  color: var(--secondary);
}

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

.feature-card {
  background: white;
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.feature-card:hover {
  box-shadow: 0 10px 30px rgba(59, 130, 246, 0.1);
  transform: translateY(-5px);
}

.feature-icon {
  font-size: 40px;
  margin-bottom: 15px;
}

.feature-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--secondary);
}

.feature-card p {
  color: var(--neutral-gray);
  font-size: 14px;
  line-height: 1.7;
}

/* Setup Section */
.setup {
  padding: 80px 20px;
  background: white;
}

.setup h2 {
  font-size: 40px;
  margin-bottom: 15px;
  text-align: center;
  color: var(--secondary);
}

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

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

.setup-step {
  position: relative;
  padding-top: 80px;
}

.step-number {
  position: absolute;
  top: 0;
  left: 0;
  width: 60px;
  height: 60px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 800;
}

.setup-step h3 {
  font-size: 20px;
  margin-bottom: 15px;
  color: var(--secondary);
}

.setup-step p {
  color: var(--neutral-gray);
  line-height: 1.7;
}

/* Offer Section */
.offer {
  background: linear-gradient(135deg, var(--primary) 0%, #1e40af 100%);
  color: var(--text-light);
  padding: 60px 20px;
  text-align: center;
}

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

.offer p {
  font-size: 16px;
  margin-bottom: 30px;
  opacity: 0.95;
}

/* Pricing Section */
.pricing {
  padding: 80px 20px;
  background: var(--neutral-light);
}

.pricing h2 {
  font-size: 40px;
  margin-bottom: 15px;
  text-align: center;
  color: var(--secondary);
}

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

.pricing-card {
  background: white;
  padding: 40px 30px;
  border-radius: 12px;
  border: 1px solid var(--border);
  position: relative;
  transition: all 0.3s;
}

.pricing-card:hover {
  box-shadow: 0 15px 40px rgba(59, 130, 246, 0.15);
}

.pricing-card.featured {
  border: 2px solid var(--primary);
  transform: scale(1.05);
}

@media (max-width: 768px) {
  .pricing-card.featured {
    transform: scale(1);
  }
}

.badge {
  position: absolute;
  top: -12px;
  left: 20px;
  background: var(--accent);
  color: white;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
}

.pricing-card h3 {
  font-size: 20px;
  margin-bottom: 15px;
  color: var(--secondary);
}

.price {
  font-size: 48px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 5px;
}

.price span {
  font-size: 24px;
}

.period {
  color: var(--neutral-gray);
  font-size: 14px;
  margin-bottom: 10px;
}

.discount {
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
}

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

.features-list li {
  padding: 10px 0;
  color: var(--neutral-gray);
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

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

.pricing-card .cta-button {
  width: 100%;
  display: block;
  text-align: center;
  margin-top: 25px;
}

/* SEO Content Section */
.seo-content {
  padding: 80px 20px;
  background: white;
}

.content-block {
  max-width: 800px;
  margin: 0 auto;
}

.content-block h2 {
  font-size: 32px;
  margin-bottom: 25px;
  color: var(--secondary);
}

.content-block h3 {
  font-size: 22px;
  margin-top: 30px;
  margin-bottom: 15px;
  color: var(--primary);
}

.content-block p {
  margin-bottom: 15px;
  color: var(--neutral-gray);
  line-height: 1.8;
  text-align: justify;
}

/* FAQ Section */
.faq {
  padding: 80px 20px;
  background: var(--neutral-light);
}

.faq h2 {
  font-size: 40px;
  margin-bottom: 50px;
  text-align: center;
  color: var(--secondary);
}

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

.faq-item {
  background: white;
  padding: 30px;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.faq-item h3 {
  color: var(--primary);
  margin-bottom: 12px;
  font-size: 16px;
}

.faq-item p {
  color: var(--neutral-gray);
  line-height: 1.7;
  font-size: 14px;
}

/* Footer */
.footer {
  background: var(--secondary);
  color: var(--text-light);
  padding: 30px 20px;
  text-align: center;
  font-size: 14px;
}

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

.footer a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  .features h2,
  .setup h2,
  .pricing h2,
  .faq h2 {
    font-size: 28px;
  }

  .content-block h2 {
    font-size: 24px;
  }

  .offer h2 {
    font-size: 28px;
  }

  .pricing-grid,
  .features-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }
}