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

:root {
  --primary-color: #2563eb;
  --primary-dark: #1e40af;
  --secondary-color: #64748b;
  --accent-color: #0ea5e9;
  --text-dark: #1e293b;
  --text-light: #64748b;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --border-color: #e2e8f0;
  --success-color: #10b981;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

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

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

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Navigation */
header {
  background-color: var(--bg-white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.2rem;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

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

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

.nav-links a.active {
  color: var(--primary-color);
  font-weight: 600;
}

.mobile-menu-button {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-dark);
  padding: 0.5rem;
}

header.scrolled {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.btn {
  padding: 0.625rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  display: inline-block;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

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

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

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

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

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 6rem 0;
  text-align: center;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0.95;
}

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

.hero .btn-secondary {
  border-color: white;
  color: white;
}

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

/* Features Section */
.features {
  padding: 6rem 0;
  background-color: var(--bg-white);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  transition: all 0.3s;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.75rem;
}

.feature-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.feature-card p {
  color: var(--text-light);
  line-height: 1.7;
}

/* Feature Detail Pages */
.feature-detail {
  margin-bottom: 4rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--border-color);
}

.feature-detail:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.feature-detail-content {
  max-width: 900px;
  margin: 0 auto;
}

.feature-detail h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.feature-detail h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.feature-intro {
  font-size: 1.125rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.feature-list {
  list-style: none;
  margin-bottom: 2rem;
}

.feature-list li {
  padding: 0.75rem 0;
  padding-left: 2rem;
  position: relative;
  color: var(--text-dark);
  line-height: 1.6;
}

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success-color);
  font-weight: bold;
  font-size: 1.25rem;
}

/* Benefits Section */
.benefits {
  padding: 6rem 0;
  background-color: var(--bg-light);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.benefit-item {
  text-align: center;
}

.benefit-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.benefit-label {
  font-size: 1.125rem;
  color: var(--text-light);
  font-weight: 500;
}

/* Pricing Section */
.pricing {
  padding: 6rem 0;
  background-color: var(--bg-white);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.pricing-card {
  background-color: var(--bg-white);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  padding: 2.5rem;
  text-align: center;
  transition: all 0.3s;
  position: relative;
}

.pricing-card.featured {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg);
  transform: scale(1.05);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--primary-color);
  color: white;
  padding: 0.375rem 1rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
}

.pricing-card h3 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.pricing-price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.pricing-period {
  color: var(--text-light);
  margin-bottom: 2rem;
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
  text-align: left;
}

.pricing-features li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-dark);
}

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

.pricing-features li::before {
  content: "✓";
  color: var(--success-color);
  font-weight: bold;
  margin-right: 0.75rem;
}

/* Pricing Page Sections */
.pricing-info {
  margin-top: 6rem;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.faq-item {
  background-color: var(--bg-white);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.faq-item h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.faq-item p {
  color: var(--text-light);
  line-height: 1.7;
}

.comparison-section {
  margin-top: 6rem;
}

.comparison-table-container {
  overflow-x: auto;
  margin-top: 2rem;
  background-color: var(--bg-white);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.comparison-table thead {
  background-color: var(--primary-color);
  color: white;
}

.comparison-table th {
  padding: 1.25rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 1rem;
}

.comparison-table th:first-child {
  border-top-left-radius: 12px;
}

.comparison-table th:last-child {
  border-top-right-radius: 12px;
}

.comparison-table tbody tr {
  border-bottom: 1px solid var(--border-color);
}

.comparison-table tbody tr:last-child {
  border-bottom: none;
}

.comparison-table tbody tr:hover {
  background-color: var(--bg-light);
}

.comparison-table td {
  padding: 1rem;
  color: var(--text-dark);
}

.comparison-table td:first-child {
  font-weight: 600;
  color: var(--text-dark);
}

/* Contact Section */
.contact {
  padding: 6rem 0;
  background-color: var(--bg-light);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.contact-info p {
  color: var(--text-light);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background-color: var(--primary-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
}

.contact-form {
  background-color: var(--bg-white);
  padding: 2.5rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.3s;
}

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

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-weight: normal;
}

.checkbox-label input[type="checkbox"] {
  width: auto;
  cursor: pointer;
}

.form-note {
  font-size: 0.875rem;
  color: var(--text-light);
  margin-top: 1rem;
  text-align: center;
}

.form-success {
  background-color: var(--bg-light);
  padding: 2rem;
  border-radius: 12px;
  text-align: center;
  border: 2px solid var(--success-color);
}

.form-success h3 {
  color: var(--success-color);
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.form-success p {
  color: var(--text-dark);
  font-size: 1.125rem;
}

.small-text {
  font-size: 0.875rem;
  color: var(--text-light);
}

.response-time {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.response-time h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.response-time p {
  color: var(--text-light);
  line-height: 1.7;
}

.contact-item h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.25rem;
}

.contact-item p {
  color: var(--text-light);
  line-height: 1.6;
}

/* Footer */
footer {
  background-color: var(--text-dark);
  color: white;
  padding: 3rem 0 1.5rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  line-height: 2;
}

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

.footer-links {
  list-style: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

/* CTA Section */
.cta {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
  padding: 5rem 0;
  text-align: center;
}

.cta h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.cta p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

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

.cta .btn-secondary:hover {
  background-color: transparent;
  color: white;
  border-color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
  .mobile-menu-button {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-white);
    flex-direction: column;
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    gap: 0;
  }

  .nav-links.mobile-active {
    display: flex;
  }

  .nav-links li {
    width: 100%;
    text-align: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
  }

  .nav-links li:last-child {
    border-bottom: none;
  }

  .nav-links a {
    display: block;
    width: 100%;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero p {
    font-size: 1.125rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .section-header h2 {
    font-size: 2rem;
  }

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

  .comparison-table th,
  .comparison-table td {
    padding: 0.75rem 0.5rem;
    font-size: 0.875rem;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mt-4 {
  margin-top: 2rem;
}

.mb-4 {
  margin-bottom: 2rem;
}