body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: #333;
  line-height: 1.6;
}

.navbar-brand img {
  height: 40px;
}

.navbar {
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-nav .nav-link {
  color: #333;
  font-weight: 500;
  padding: 0.5rem 1rem;
  transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: #007bff;
}

.hero-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 100px 0;
}

.hero-section h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.hero-section .lead {
  font-size: 1.25rem;
  margin-bottom: 2rem;
}

.btn-primary {
  background-color: #007bff;
  border-color: #007bff;
  padding: 12px 30px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background-color: #0056b3;
  border-color: #0056b3;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 123, 255, 0.3);
}

.btn-outline-primary {
  border-color: #007bff;
  color: #007bff;
  padding: 12px 30px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-outline-primary:hover {
  background-color: #007bff;
  border-color: #007bff;
  color: white;
  transform: translateY(-2px);
}

.card {
  border: none;
  border-radius: 10px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.card-img-top {
  border-radius: 10px 10px 0 0;
  height: 200px;
  object-fit: cover;
}

.page-header {
  background-color: #f8f9fa;
  padding: 60px 0;
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: #333;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #333;
}

.section-subtitle {
  font-size: 1.1rem;
  color: #666;
  margin-bottom: 3rem;
}

.feature-icon {
  width: 60px;
  height: 60px;
  background-color: #007bff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: white;
  font-size: 1.5rem;
}

.testimonial-card {
  background-color: #f8f9fa;
  border-left: 4px solid #007bff;
  padding: 2rem;
  margin-bottom: 2rem;
}

.testimonial-card .quote {
  font-style: italic;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.testimonial-card .author {
  font-weight: 600;
  color: #007bff;
}

.bmi-calculator {
  background-color: #f8f9fa;
  padding: 2rem;
  border-radius: 10px;
}

.bmi-result {
  display: none;
  margin-top: 1.5rem;
  padding: 1.5rem;
  border-radius: 10px;
  text-align: center;
}

.bmi-result.show {
  display: block;
}

.bmi-result h4 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.bmi-underweight {
  background-color: #d1ecf1;
  border: 2px solid #17a2b8;
}

.bmi-normal {
  background-color: #d4edda;
  border: 2px solid #28a745;
}

.bmi-overweight {
  background-color: #fff3cd;
  border: 2px solid #ffc107;
}

.bmi-obese {
  background-color: #f8d7da;
  border: 2px solid #dc3545;
}

.contact-form .form-control {
  border-radius: 5px;
  padding: 12px;
  border: 1px solid #ddd;
}

.contact-form .form-control:focus {
  border-color: #007bff;
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.footer {
  background-color: #343a40;
  color: white;
  padding: 3rem 0 1rem;
}

.footer h5 {
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer a {
  color: #adb5bd;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer a:hover {
  color: white;
}

.footer ul {
  padding-left: 0;
}

.footer ul li {
  margin-bottom: 0.5rem;
}

.social-links a {
  display: inline-block;
  margin: 0 0.5rem;
}

.accordion .btn-link {
  text-decoration: none;
  color: #333;
  font-weight: 600;
  width: 100%;
  text-align: left;
}

.accordion .btn-link:hover {
  color: #007bff;
}

.accordion .card-header {
  background-color: #f8f9fa;
  border-bottom: 1px solid #dee2e6;
}

.policy-content h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: #333;
  margin-bottom: 1rem;
}

.policy-content h5 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #007bff;
  margin-top: 1.5rem;
  margin-bottom: 1rem;
}

.policy-content ul {
  margin-bottom: 1rem;
}

.policy-content ul li {
  margin-bottom: 0.5rem;
}

.thank-you-content {
  padding: 3rem 0;
}

.thank-you-content h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: #28a745;
}

@media (max-width: 768px) {
  .hero-section h1 {
    font-size: 2rem;
  }

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

  .page-header h1 {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.5rem;
  }
}

.shadow-sm {
  box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.shadow {
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.bg-light {
  background-color: #f8f9fa;
}

.text-muted {
  color: #6c757d;
}

.border-top {
  border-top: 1px solid #dee2e6;
}

.mb-0 {
  margin-bottom: 0;
}

.mt-3 {
  margin-top: 1rem;
}

.mt-4 {
  margin-top: 1.5rem;
}

.mt-5 {
  margin-top: 3rem;
}

.mb-2 {
  margin-bottom: 0.5rem;
}

.mb-3 {
  margin-bottom: 1rem;
}

.mb-4 {
  margin-bottom: 1.5rem;
}

.mb-5 {
  margin-bottom: 3rem;
}

.py-3 {
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.py-4 {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}

.py-5 {
  padding-top: 3rem;
  padding-bottom: 3rem;
}