:root {
  --primary-blue: #0056b3;
  --primary-blue-dark: #003d82;
  --accent-blue: #0066cc;
  --light-gray: #f8f9fa;
  --medium-gray: #e9ecef;
  --dark-gray: #6c757d;
  --text-dark: #212529;
  --text-light: #666666;
  --border-gray: #dee2e6;
  --white: #ffffff;
}

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

html,
body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text-dark);
  background-color: var(--white);
  line-height: 1.6;
}

a {
  color: var(--primary-blue);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--primary-blue-dark);
  text-decoration: none;
}

.brand-color {
  color: var(--primary-blue);
}

.navbar {
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.navbar-brand {
  font-size: 1.5rem;
  color: var(--text-dark);
}

.navbar-light .navbar-nav .nav-link {
  color: var(--text-light);
  font-weight: 500;
  transition: color 0.3s ease;
}

.navbar-light .navbar-nav .nav-link:hover,
.navbar-light .navbar-nav .nav-link.active {
  color: var(--primary-blue);
}

.hero-section {
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(0, 86, 179, 0.05) 0%, rgba(0, 102, 204, 0.05) 100%);
}

.hero-text h1 {
  color: var(--text-dark);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.hero-text .lead {
  font-size: 1.2rem;
  color: var(--text-light);
}

.btn-primary {
  background-color: var(--primary-blue);
  border-color: var(--primary-blue);
  color: var(--white);
  font-weight: 600;
  padding: 12px 32px;
  border-radius: 4px;
  transition: all 0.3s ease;
}

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

.btn-secondary {
  background-color: var(--medium-gray);
  border-color: var(--medium-gray);
  color: var(--text-dark);
  font-weight: 600;
  padding: 12px 32px;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background-color: var(--dark-gray);
  border-color: var(--dark-gray);
  color: var(--white);
}

.section-benefits {
  padding: 60px 0;
}

.benefit-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 86, 179, 0.1);
  border-radius: 8px;
  color: var(--primary-blue);
}

.section-for-whom {
  padding: 60px 0;
}

.card {
  border-radius: 8px;
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.section-testimonials {
  padding: 60px 0;
}

.testimonial-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
}

.stars {
  color: #ffc107;
  font-size: 1.1rem;
  letter-spacing: 2px;
}

.section-cta {
  padding: 60px 0;
  background: linear-gradient(135deg, rgba(0, 86, 179, 0.1) 0%, rgba(0, 102, 204, 0.1) 100%);
}

.page-header {
  background: linear-gradient(135deg, rgba(0, 86, 179, 0.05) 0%, rgba(0, 102, 204, 0.05) 100%);
}

.page-header h1 {
  color: var(--text-dark);
  font-weight: 700;
}

.products-section {
  padding: 60px 0;
}

.product-card {
  overflow: hidden;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.product-card:hover {
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
  transform: translateY(-4px);
}

.product-card img {
  height: 280px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.product-card:hover img {
  transform: scale(1.05);
}

.section-education {
  padding: 60px 0;
}

.about-section {
  padding: 60px 0;
}

.values-section {
  padding: 60px 0;
}

.value-card {
  padding: 24px;
  background: var(--white);
  border-radius: 8px;
  border-left: 4px solid var(--primary-blue);
  transition: all 0.3s ease;
}

.value-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.approach-section {
  padding: 60px 0;
}

.step-number {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary-blue);
  color: var(--white);
  border-radius: 50%;
  font-weight: 700;
  margin-right: 16px;
  flex-shrink: 0;
}

.step-content h5 {
  color: var(--text-dark);
}

.step-content p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.contact-section {
  padding: 60px 0;
}

.contact-form {
  background: var(--light-gray);
  padding: 32px;
  border-radius: 8px;
}

.contact-form .form-group label {
  color: var(--text-dark);
  margin-bottom: 8px;
}

.contact-form .form-control {
  border: 1px solid var(--border-gray);
  border-radius: 4px;
  padding: 10px 12px;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.contact-form .form-control:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 0.2rem rgba(0, 86, 179, 0.25);
}

.contact-info {
  padding: 32px;
  background: var(--light-gray);
  border-radius: 8px;
}

.contact-info h6 {
  color: var(--primary-blue);
}

.contact-info p {
  color: var(--text-light);
}

.thank-you-section {
  padding: 100px 0;
}

.thank-you-icon {
  color: var(--primary-blue);
}

.thank-you-content h1 {
  color: var(--text-dark);
  font-weight: 700;
}

.thank-you-details {
  max-width: 600px;
  margin: 0 auto;
}

.legal-section {
  padding: 60px 0;
}

.legal-content h3 {
  color: var(--text-dark);
  margin-top: 32px;
  margin-bottom: 16px;
  font-weight: 700;
}

.legal-content p {
  color: var(--text-light);
  line-height: 1.8;
}

.legal-content ul {
  color: var(--text-light);
  line-height: 1.8;
}

.legal-content li {
  margin-bottom: 8px;
}

.footer-section {
  background-color: #1a1a1a;
  color: var(--white);
}

.footer-section a {
  color: var(--dark-gray);
  transition: color 0.3s ease;
}

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

.footer-section h6 {
  color: var(--white);
  font-weight: 700;
}

.footer-section .text-muted {
  color: var(--dark-gray);
}

.custom-control-label {
  user-select: none;
  padding-top: 4px;
}

.custom-control-label a {
  color: var(--primary-blue);
  text-decoration: underline;
}

.custom-control-label a:hover {
  color: var(--primary-blue-dark);
}

.alert-info {
  background-color: rgba(0, 86, 179, 0.1);
  border: 1px solid rgba(0, 86, 179, 0.3);
  color: var(--primary-blue-dark);
  border-radius: 4px;
}

@media (max-width: 768px) {
  .hero-section {
    padding: 40px 0;
  }

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

  .section-benefits,
  .section-for-whom,
  .section-testimonials,
  .section-cta,
  .about-section,
  .values-section,
  .approach-section,
  .contact-section,
  .legal-section {
    padding: 40px 0;
  }

  .product-card img {
    height: 220px;
  }

  .contact-form,
  .contact-info {
    margin-bottom: 24px;
  }

  .btn-lg {
    padding: 10px 24px;
    font-size: 1rem;
  }

  .thank-you-section {
    padding: 60px 0;
  }
}

@media (max-width: 576px) {
  .navbar-brand {
    font-size: 1.2rem;
  }

  .hero-section {
    padding: 30px 0;
  }

  .hero-text h1 {
    font-size: 1.5rem;
  }

  .hero-text .lead {
    font-size: 1rem;
  }

  .section-benefits h2,
  .section-for-whom h2,
  .section-testimonials h2,
  .section-cta h2,
  .page-header h1,
  .values-section h2,
  .approach-section h2,
  .contact-section h2,
  .legal-section h1 {
    font-size: 1.5rem;
  }

  .product-card img {
    height: 180px;
  }

  .btn-lg {
    width: 100%;
    margin-bottom: 8px;
  }

  .step-number {
    width: 40px;
    height: 40px;
    font-size: 0.9rem;
  }

  .contact-form,
  .contact-info {
    padding: 20px;
  }
}