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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  padding-top: 70px;
}

.navbar {
  transition: all 0.3s ease;
}

.navbar-brand {
  font-size: 1.5rem;
  color: #007bff !important;
}

.nav-link {
  font-weight: 500;
  color: #555 !important;
  transition: color 0.3s ease;
}

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

.hero-section {
  padding: 100px 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.hero-section h1 {
  color: #212529;
}

.hero-section .lead {
  color: #6c757d;
}

.page-header {
  padding: 100px 0 50px;
  background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
  color: white;
  text-align: center;
}

.page-header h1 {
  margin-bottom: 1rem;
}

.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 12px 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;
  transform: translateY(-2px);
}

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

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.card-img-top {
  height: 200px;
  object-fit: cover;
}

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

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

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #e7f3ff;
  border-radius: 50%;
}

.cta-section {
  background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
  color: white;
}

.cta-section h2 {
  color: white;
}

.cta-section .lead {
  color: rgba(255, 255, 255, 0.9);
}

.footer {
  margin-top: 50px;
}

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

.footer a:hover {
  color: #fff !important;
}

.bmi-calculator-section {
  background-color: #f8f9fa;
}

#bmiResult {
  padding: 20px;
  background-color: #e7f3ff;
  border-radius: 8px;
}

.step-number {
  width: 60px;
  height: 60px;
  background-color: #007bff;
  color: white;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
}

.rating {
  font-size: 1.2rem;
}

.content-section {
  margin-bottom: 2.5rem;
}

.content-section h2 {
  color: #007bff;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #e9ecef;
}

.content-section h4 {
  color: #495057;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.content-section ul {
  margin-left: 1.5rem;
}

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

.thank-you-section {
  padding: 100px 0;
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.success-icon {
  display: inline-block;
}

@media (max-width: 768px) {
  .hero-section {
    padding: 60px 0;
  }

  .page-header {
    padding: 80px 0 40px;
  }

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

  body {
    padding-top: 60px;
  }
}
