:root {
  --primary-color: #28a745;
  --primary-dark: #218838;
  --primary-light: #d4edda;
  --secondary-color: #6c757d;
  --text-dark: #212529;
  --text-muted: #6c757d;
  --bg-light: #f8f9fa;
  --white: #ffffff;
  --shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text-dark);
  padding-top: 70px;
}

.navbar {
  transition: all 0.3s ease;
}

.navbar-brand {
  color: var(--primary-color) !important;
  font-size: 1.5rem;
}

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

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

.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  padding: 0.75rem 2rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(40, 167, 69, 0.3);
}

.btn-outline-primary {
  color: var(--primary-color);
  border-color: var(--primary-color);
}

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

.text-primary {
  color: var(--primary-color) !important;
}

.bg-primary {
  background-color: var(--primary-color) !important;
}

.hero-section {
  padding: 100px 0 80px;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.hero-section h1 {
  color: var(--text-dark);
  line-height: 1.2;
}

.hero-section .lead {
  color: var(--text-muted);
  font-size: 1.25rem;
}

.page-header {
  padding: 120px 0 60px;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--bg-light) 100%);
  text-align: center;
}

.card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.icon-box {
  width: 64px;
  height: 64px;
  margin: 0 auto;
}

.icon-circle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
}

.icon-box-square {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
}

.bmi-calculator {
  background: var(--white);
}

#bmi-result {
  padding: 15px;
  border-radius: 8px;
  font-weight: 600;
  text-align: center;
}

.service-item {
  transition: transform 0.3s ease;
}

.service-item:hover {
  transform: scale(1.02);
}

.cta-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.contact-form .form-control {
  border-radius: 8px;
  padding: 12px;
  border: 2px solid #e9ecef;
  transition: border-color 0.3s ease;
}

.contact-form .form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}

.contact-info {
  background: var(--bg-light);
  padding: 30px;
  border-radius: 12px;
}

.thank-you-section {
  padding: 120px 0;
  min-height: 70vh;
  display: flex;
  align-items: center;
}

.success-icon {
  animation: scaleIn 0.5s ease;
}

@keyframes scaleIn {
  from {
    transform: scale(0);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.policy-content h2 {
  color: var(--primary-color);
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-size: 1.75rem;
}

.policy-content h3 {
  color: var(--text-dark);
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  font-size: 1.4rem;
}

.policy-content p,
.policy-content ul {
  color: var(--text-muted);
  line-height: 1.8;
}

.policy-content ul {
  padding-left: 2rem;
}

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

footer {
  margin-top: 60px;
}

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

footer a:hover {
  color: var(--primary-light) !important;
}

@media (max-width: 768px) {
  .hero-section {
    padding: 60px 0 40px;
  }

  .page-header {
    padding: 100px 0 40px;
  }

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