:root {
  --primary: #7c3aed;
  --primary-dark: #6d28d9;
  --primary-light: #a78bfa;
  --dark: #1f2937;
  --gray-light: #f3f4f6;
  --gray-medium: #d1d5db;
  --white: #ffffff;
}

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

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

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

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

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

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

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

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

.card {
  border-radius: 12px;
  border: 1px solid var(--gray-medium);
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: 0 8px 16px rgba(124, 58, 237, 0.15);
  transform: translateY(-2px);
}

.hero-section {
  background: linear-gradient(135deg, #f3f4f6 0%, #ffffff 100%);
  min-height: 500px;
}

.services-preview {
  background-color: var(--white);
}

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

.bmi-calculator .card {
  border: 2px solid var(--primary);
}

.testimonials {
  background-color: var(--white);
}

.testimonials .card {
  border-left: 4px solid var(--primary);
  background-color: var(--gray-light);
}

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

.page-header {
  background: linear-gradient(135deg, #f3f4f6 0%, #ffffff 100%);
}

.alert-light {
  background-color: var(--gray-light);
  border-color: var(--primary);
}

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

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

footer .text-white-50:hover {
  color: rgba(255, 255, 255, 0.8) !important;
}

.form-control {
  border-radius: 8px;
  border: 1px solid var(--gray-medium);
  padding: 0.75rem;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 0.2rem rgba(124, 58, 237, 0.25);
}

.shadow-sm {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

img.img-fluid {
  border-radius: 12px;
}

@media (max-width: 768px) {
  .hero-section {
    min-height: auto;
  }

  .display-4 {
    font-size: 2rem;
  }

  .card {
    margin-bottom: 1rem;
  }

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

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  color: var(--primary-dark);
}

.thank-you-section {
  min-height: 60vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #f3f4f6 0%, #ffffff 100%);
}