:root {
  --primary-blue: #3B82F6;
  --bg-light: #F9FAFB;
  --bg-gray: #E5E7EB;
  --footer-dark: #1A202C;
  --text-dark: #1F2937;
  --text-gray: #6B7280;
  --text-light: #9CA3AF;
  --white: #FFFFFF;
  --border-gray: #D1D5DB;
  --hover-blue: #2563EB;
  --accent-gray: #94A3B8;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-light);
}

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

.header {
  background-color: var(--bg-light);
  border-bottom: 1px solid var(--border-gray);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

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

.logo-img {
  width: 32px;
  height: 32px;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  color: var(--text-gray);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--primary-blue);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.theme-toggle {
  font-size: 20px;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  transition: background-color 0.2s ease;
}

.theme-toggle:hover {
  background-color: var(--bg-gray);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
  font-size: 14px;
}

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

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

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

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

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

.section {
  padding: 64px 0;
}

.section-gray {
  background-color: var(--bg-gray);
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-title {
  font-size: 48px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 16px;
  line-height: 1.1;
}

.section-description {
  font-size: 20px;
  color: var(--text-gray);
  max-width: 600px;
  margin: 0 auto;
}

.hero {
  padding: 64px 0;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-title {
  font-size: 56px;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.1;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--hover-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 20px;
  color: var(--text-gray);
  margin-bottom: 32px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.hero-badges {
  display: flex;
  align-items: center;
  gap: 16px;
}

.badge {
  background-color: var(--bg-gray);
  color: var(--primary-blue);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
}

.badge-stars {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-gray);
  font-size: 14px;
}

.hero-image {
  position: relative;
}

.hero-img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.feature-reverse {
  grid-template-columns: 1fr 1fr;
}

.feature-reverse .feature-content {
  order: 1;
}

.feature-reverse .feature-image {
  order: 2;
}

.feature-img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.feature-description {
  font-size: 18px;
  color: var(--text-gray);
  line-height: 1.6;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.feature-card {
  background-color: var(--white);
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.feature-card-image {
  margin-bottom: 24px;
}

.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
}

.feature-card-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.feature-card-description {
  color: var(--text-gray);
  line-height: 1.6;
}

.customization-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.customization-section {
  text-align: center;
}

.customization-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 24px;
}

.layout-preview {
  background-color: var(--bg-gray);
  border-radius: 12px;
  padding: 24px;
}

.layout-img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.testimonial-card {
  background-color: var(--white);
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.testimonial-text {
  font-size: 18px;
  color: var(--text-dark);
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author strong {
  color: var(--text-dark);
  font-weight: 600;
}

.testimonial-author span {
  color: var(--text-gray);
  font-size: 14px;
}

.trends-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.trend-card {
  background-color: var(--white);
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  border-left: 4px solid var(--primary-blue);
}

.trend-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.trend-description {
  color: var(--text-gray);
  line-height: 1.6;
}

.future-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 64px;
  align-items: center;
}

.future-text h3 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 24px;
}

.future-text p {
  font-size: 18px;
  color: var(--text-gray);
  margin-bottom: 20px;
  line-height: 1.6;
}

.future-stats {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.stat-item {
  text-align: center;
  padding: 24px;
  background-color: var(--white);
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

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

.stat-label {
  font-size: 14px;
  color: var(--text-gray);
  font-weight: 600;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 32px;
}

.faq-item {
  background-color: var(--white);
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.faq-question {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.faq-answer {
  color: var(--text-gray);
  line-height: 1.6;
}

.cta-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: 48px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.cta-description {
  font-size: 20px;
  color: var(--text-gray);
  margin-bottom: 32px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer {
  background-color: var(--footer-dark);
  color: var(--white);
  padding: 48px 0 16px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 32px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-logo-img {
  width: 32px;
  height: 32px;
}

.footer-logo-text {
  font-size: 20px;
  font-weight: 700;
}

.footer-description {
  color: var(--accent-gray);
  line-height: 1.6;
}

.footer-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
}

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

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: var(--accent-gray);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--white);
}

.contact-info p {
  color: var(--accent-gray);
  margin-bottom: 8px;
}

.contact-info a {
  color: var(--accent-gray);
  text-decoration: none;
  transition: color 0.2s ease;
}

.contact-info a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: 16px;
  text-align: center;
}

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

@media (max-width: 768px) {
  .nav-wrapper {
    flex-direction: column;
    gap: 16px;
  }
  
  .nav {
    gap: 16px;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }
  
  .hero-title {
    font-size: 40px;
  }
  
  .section-title {
    font-size: 36px;
  }
  
  .feature-showcase,
  .feature-reverse {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .feature-reverse .feature-content,
  .feature-reverse .feature-image {
    order: unset;
  }
  
  .customization-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .future-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .faq-grid {
    grid-template-columns: 1fr;
  }
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.pricing-card {
  background-color: var(--white);
  border-radius: 16px;
  padding: 40px 32px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  border: 2px solid transparent;
  transition: all 0.3s ease;
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.pricing-featured {
  border-color: var(--primary-blue);
  transform: scale(1.05);
}

.pricing-featured:hover {
  transform: scale(1.05) translateY(-8px);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--primary-blue);
  color: var(--white);
  padding: 8px 24px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
}

.pricing-header {
  text-align: center;
  margin-bottom: 32px;
}

.pricing-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
}

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

.price-currency {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-gray);
}

.price-amount {
  font-size: 48px;
  font-weight: 800;
  color: var(--primary-blue);
}

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

.pricing-features {
  margin-bottom: 32px;
}

.feature-list {
  list-style: none;
  padding: 0;
}

.feature-list li {
  padding: 8px 0;
  color: var(--text-gray);
  font-size: 16px;
}

.pricing-action {
  text-align: center;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 32px;
}

.benefit-card {
  background-color: var(--white);
  border-radius: 12px;
  padding: 32px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.benefit-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.benefit-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.benefit-description {
  color: var(--text-gray);
  line-height: 1.6;
}

.contact-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 64px;
  align-items: flex-start;
}

.form-container {
  background-color: var(--white);
  border-radius: 16px;
  padding: 48px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.form-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.form-description {
  color: var(--text-gray);
  margin-bottom: 32px;
  line-height: 1.6;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-label {
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
  font-size: 14px;
}

.form-input,
.form-select,
.form-textarea {
  padding: 12px 16px;
  border: 2px solid var(--border-gray);
  border-radius: 8px;
  font-size: 16px;
  transition: border-color 0.2s ease;
  font-family: inherit;
}

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

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  font-size: 16px;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary-blue);
}

.checkbox-text {
  color: var(--text-gray);
}

.form-submit {
  margin-top: 16px;
  width: 100%;
}

.success-message {
  text-align: center;
  padding: 48px;
  background-color: var(--bg-light);
  border-radius: 12px;
  border: 2px solid #10B981;
}

.success-icon {
  font-size: 48px;
  color: #10B981;
  margin-bottom: 16px;
}

.success-message h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.success-message p {
  color: var(--text-gray);
  line-height: 1.6;
}

.contact-info-section {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.info-card {
  background-color: var(--white);
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.info-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.info-description {
  color: var(--text-gray);
  margin-bottom: 24px;
  line-height: 1.6;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon {
  font-size: 24px;
  flex-shrink: 0;
}

.contact-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-text strong {
  color: var(--text-dark);
  font-weight: 600;
}

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

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

.contact-text span {
  color: var(--text-gray);
}

@media (max-width: 768px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-featured {
    transform: none;
  }
  
  .pricing-featured:hover {
    transform: translateY(-8px);
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .form-container {
    padding: 32px 24px;
  }
  
  .form-title {
    font-size: 28px;
  }
}