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

:root {
  --primary: #0066cc;
  --primary-dark: #0052a3;
  --primary-light: #e6f0ff;
  --secondary: #00d4ff;
  --dark: #1a1a1a;
  --gray-light: #f8f9fa;
  --gray-border: #e0e0e0;
  --success: #00b894;
  --text: #333;
  --text-light: #666;
  --white: #fff;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.2);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  color: var(--text);
  line-height: 1.6;
  background-color: var(--white);
}

header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.nav-menu a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}

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

.social-icons {
  display: flex;
  gap: 0.5rem;
}

.social-link {
  min-width: 34px;
  height: 34px;
  border: 1px solid var(--gray-border);
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}

.cta-button,
.nav-menu a.cta-button {
  background: var(--primary);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  border: none;
  cursor: pointer;
  display: inline-block;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background-color 0.2s ease;
}

.cta-button:hover,
.nav-menu a.cta-button:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.cta-button-secondary {
  background: var(--gray-light);
  color: var(--primary);
  border: 2px solid var(--primary);
}

.cta-button:focus-visible,
.nav-menu a.cta-button:focus-visible {
  outline: 3px solid #ffffff;
  outline-offset: 2px;
}

.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: 5rem 2rem;
  text-align: center;
}

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

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.stats {
  background: var(--gray-light);
  padding: 4rem 2rem;
}

.stats-container,
.services-grid,
.pricing-grid,
.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  gap: 2rem;
}

.stats-container {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  text-align: center;
}

.stat,
.service-card,
.pricing-card {
  background: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

.stat {
  padding: 2rem;
}

.stat-number {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  color: var(--text-light);
}

.services {
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 2.25rem;
  margin-bottom: 1rem;
  color: var(--dark);
}

.section-header p {
  color: var(--text-light);
  max-width: 650px;
  margin: 0 auto;
}

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

.service-card {
  padding: 2rem;
  border: 1px solid var(--gray-border);
  display: flex;
  flex-direction: column;
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.service-card h3 {
  margin-bottom: 0.75rem;
}

.service-card p {
  color: var(--text-light);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.pricing {
  background: var(--gray-light);
  padding: 5rem 2rem;
}

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

.pricing-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: 3rem;
}

.pricing-card {
  padding: 2rem;
  border: 2px solid var(--gray-border);
  position: relative;
  display: flex;
  flex-direction: column;
}

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

.pricing-badge {
  background: var(--primary);
  color: var(--white);
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  position: absolute;
  top: -12px;
  left: 16px;
}

.plan-price {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--primary);
  margin: 0.75rem 0;
}

.plan-price small {
  font-size: 0.8rem;
  color: var(--text-light);
}

.plan-duration {
  color: var(--text-light);
}

.plan-features {
  list-style: none;
  margin: 1.25rem 0;
  flex-grow: 1;
}

.plan-features li {
  padding: 0.45rem 0 0.45rem 1.4rem;
  position: relative;
  color: var(--text-light);
}

.plan-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

.pricing-card .cta-button {
  width: 100%;
  text-align: center;
}

.faq {
  max-width: 900px;
  margin: 0 auto;
  padding: 5rem 2rem;
}

.faq-item {
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--gray-border);
  padding-bottom: 1.25rem;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  font-size: 1.05rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  color: var(--text-light);
  margin-top: 0.8rem;
  display: none;
}

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

.faq-toggle {
  font-size: 1.25rem;
  transition: transform 0.3s;
}

.faq-item.active .faq-toggle {
  transform: rotate(180deg);
}

.final-cta {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: 4rem 2rem;
  text-align: center;
}

.final-cta h2 {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.final-cta p {
  margin-bottom: 1.5rem;
}

footer {
  background: var(--dark);
  color: var(--white);
  padding: 3rem 2rem;
}

.footer-container {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-bottom: 2rem;
}

.footer-section h4 {
  margin-bottom: 0.8rem;
  color: var(--secondary);
}

.footer-section a {
  display: block;
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  margin-bottom: 0.6rem;
}

.footer-section a:hover {
  color: var(--secondary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.4rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
}

@media (max-width: 768px) {
  nav {
    padding: 0.8rem 1rem;
  }

  .hero {
    padding: 4rem 1.2rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-buttons .cta-button {
    width: 100%;
  }

  .section-header h2 {
    font-size: 1.7rem;
  }

  .pricing-card.featured {
    box-shadow: var(--shadow-sm);
  }
}