:root {
  --primary-color: #2563eb;
  --primary-dark: #1e40af;
  --secondary-color: #64748b;
  --success-color: #10b981;
  --light-bg: #f8fafc;
  --dark-bg: #1e293b;
  --text-dark: #0f172a;
  --text-light: #64748b;
  --border-color: #e2e8f0;
}

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

.navbar {
  padding: 1rem 0;
  transition: all 0.3s ease;
}

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

.nav-link {
  font-weight: 500;
  color: var(--text-dark) !important;
  padding: 0.5rem 1rem !important;
  transition: color 0.3s ease;
}

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

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

.hero-section {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%);
}

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

.hero-section .lead {
  color: var(--text-light);
}

.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 12px rgba(37, 99, 235, 0.3);
}

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

.btn-outline-primary:hover {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

.feature-box,
.service-card,
.testimonial-card,
.workshop-card,
.pricing-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-box:hover,
.service-card:hover,
.testimonial-card:hover,
.workshop-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1) !important;
}

.feature-icon svg {
  width: 60px;
  height: 60px;
}

.calculator-box {
  max-width: 600px;
  margin: 0 auto;
}

#bmiResult {
  background-color: var(--light-bg);
}

#bmiResult.underweight {
  background-color: #fef3c7;
  border-left: 4px solid #f59e0b;
}

#bmiResult.normal {
  background-color: #d1fae5;
  border-left: 4px solid #10b981;
}

#bmiResult.overweight {
  background-color: #fed7aa;
  border-left: 4px solid #f97316;
}

#bmiResult.obese {
  background-color: #fecaca;
  border-left: 4px solid #ef4444;
}

.page-header {
  padding-top: 100px;
}

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

.footer {
  background-color: var(--dark-bg);
}

.footer a {
  transition: color 0.3s ease;
}

.footer a:hover {
  color: var(--primary-color) !important;
  text-decoration: none;
}

.team-card,
.value-card,
.cert-box {
  transition: transform 0.3s ease;
}

.team-card:hover,
.value-card:hover {
  transform: translateY(-5px);
}

.badge-primary {
  background-color: var(--primary-color);
}

.badge-success {
  background-color: var(--success-color);
}

.pricing-card.bg-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
}

.form-check-input:checked {
  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;
}

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

.shadow-sm {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08) !important;
}

.shadow {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1) !important;
}

.policy-text h2 {
  color: var(--text-dark);
  margin-top: 2rem;
}

.policy-text p,
.policy-text li {
  color: var(--text-light);
}

.policy-text ul {
  margin-bottom: 1.5rem;
}

.story-content blockquote {
  font-style: italic;
  color: var(--text-light);
}

.accordion .card {
  border: 1px solid var(--border-color);
}

.accordion .btn-link {
  color: var(--text-dark);
  text-decoration: none;
}

.accordion .btn-link:hover {
  color: var(--primary-color);
}

@media (max-width: 768px) {
  .hero-section {
    padding: 100px 0 60px;
  }

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

  .display-4 {
    font-size: 2.5rem;
  }
}

@media (max-width: 576px) {
  .btn-lg {
    padding: 0.5rem 1.5rem;
    font-size: 1rem;
  }
}