:root {
  --primary-color: #2e7d32;
  --secondary-color: #81c784;
  --dark-bg: #1a1a1a;
  --light-bg: #f8f9fa;
  --text-dark: #212529;
  --text-light: #6c757d;
  --border-color: #dee2e6;
}

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

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

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

a:hover {
  color: var(--secondary-color);
}

.hero-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  padding: 80px 0;
}

.hero-section h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 20px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-section p {
  font-size: 1.25rem;
  margin-bottom: 30px;
  opacity: 0.95;
}

.btn-success {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  font-weight: 600;
  padding: 12px 30px;
  transition: all 0.3s ease;
}

.btn-success:hover {
  background-color: #1b5e20;
  border-color: #1b5e20;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(46, 125, 50, 0.3);
}

.btn-outline-success {
  color: var(--primary-color);
  border-color: var(--primary-color);
  font-weight: 600;
}

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

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

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(46, 125, 50, 0.15);
}

.card-title {
  font-weight: 700;
  color: var(--primary-color);
}

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

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

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

.certification-badge {
  padding: 30px;
  background: var(--light-bg);
  border-radius: 8px;
  border-left: 4px solid var(--primary-color);
  transition: all 0.3s ease;
}

.certification-badge:hover {
  background: white;
  box-shadow: 0 4px 12px rgba(46, 125, 50, 0.1);
}

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

.navbar-brand {
  font-size: 1.5rem;
  letter-spacing: 0.5px;
}

.page-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
}

.page-header h1 {
  font-weight: 700;
}

.page-header p {
  opacity: 0.95;
  font-size: 1.1rem;
}

.policy-content {
  background: var(--light-bg);
}

.policy-content h2 {
  color: var(--primary-color);
  margin-top: 30px;
  font-weight: 700;
}

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

.policy-content ul {
  margin-left: 20px;
}

.policy-content ul li {
  margin-bottom: 10px;
  color: var(--text-dark);
}

footer {
  background-color: var(--dark-bg);
  color: #ffffff;
  border-top: 3px solid var(--primary-color);
}

footer h5,
footer h6 {
  color: var(--secondary-color);
}

footer a {
  color: rgba(255, 255, 255, 0.7);
}

footer a:hover {
  color: var(--secondary-color);
}

.text-white-50 {
  color: rgba(255, 255, 255, 0.5);
}

.contact-info {
  background: white;
  padding: 20px;
  border-radius: 8px;
  border-left: 4px solid var(--primary-color);
  margin-bottom: 20px;
}

.contact-info h5 {
  color: var(--primary-color);
}

.form-control {
  border: 2px solid var(--border-color);
  border-radius: 6px;
  padding: 10px 15px;
  transition: border-color 0.3s ease;
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(46, 125, 50, 0.1);
}

.alert-success {
  background-color: rgba(46, 125, 50, 0.1);
  border-color: var(--primary-color);
  color: var(--text-dark);
}

.thank-you-section {
  min-height: calc(100vh - 200px);
  display: flex;
  align-items: center;
}

#bmiResult {
  background: var(--light-bg);
  padding: 20px;
  border-radius: 8px;
  border-left: 4px solid var(--primary-color);
}

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

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

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

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

  .col-md-6 {
    margin-bottom: 30px;
  }

  .navbar-brand {
    font-size: 1.25rem;
  }
}