:root {
  --primary-color: #17a2b8;
  --primary-dark: #138496;
  --secondary-color: #6c757d;
  --light-bg: #f8f9fa;
  --dark-bg: #2c3e50;
  --text-dark: #2c3e50;
  --text-light: #6c757d;
  --border-color: #dee2e6;
  --gradient-start: #17a2b8;
  --gradient-end: #5dc9d8;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

.navbar-brand {
  font-size: 1.75rem;
  color: var(--primary-color) !important;
  letter-spacing: 0.5px;
}

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

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

.btn-primary {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  border: none;
  padding: 0.75rem 2rem;
  font-weight: 600;
  border-radius: 50px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(23, 162, 184, 0.3);
  background: linear-gradient(135deg, var(--primary-dark), var(--gradient-start));
}

.btn-outline-light {
  border: 2px solid white;
  padding: 0.75rem 2rem;
  font-weight: 600;
  border-radius: 50px;
  transition: all 0.3s ease;
}

.btn-outline-light:hover {
  background: white;
  color: var(--primary-color) !important;
  transform: translateY(-2px);
}

.hero-section {
  background: linear-gradient(135deg, rgba(23, 162, 184, 0.05), rgba(93, 201, 216, 0.05));
  padding: 5rem 0;
}

.min-vh-75 {
  min-height: 75vh;
}

.bg-gradient-light {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.bg-gradient-dark {
  background: linear-gradient(135deg, var(--dark-bg) 0%, #34495e 100%);
}

.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;
}

.shadow-lg {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12) !important;
}

.rounded {
  border-radius: 12px !important;
}

.card {
  border: none;
  border-radius: 12px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15) !important;
}

.routine-card {
  border-left: 4px solid var(--primary-color);
}

.product-card {
  border-top: 3px solid var(--primary-color);
}

.badge {
  padding: 0.5rem 0.75rem;
  border-radius: 20px;
  font-weight: 500;
  font-size: 0.75rem;
}

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

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

.category-section {
  padding: 2rem 0;
}

.category-section h3 {
  color: var(--primary-color);
}

.form-control {
  border-radius: 8px;
  border: 2px solid var(--border-color);
  padding: 0.75rem 1rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.25);
}

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

.text-white-50 {
  color: rgba(255, 255, 255, 0.5) !important;
  transition: color 0.3s ease;
}

.text-white-50:hover {
  color: rgba(255, 255, 255, 0.8) !important;
  text-decoration: none;
}

.bg-white-50 {
  background-color: rgba(255, 255, 255, 0.1) !important;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, var(--dark-bg) 0%, #34495e 100%);
  color: white;
  padding: 1.5rem 0;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.2);
  z-index: 9999;
  display: none;
}

.cookie-banner.show {
  display: block;
  animation: slideUp 0.5s ease;
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

.alert {
  border-radius: 12px;
  border: none;
}

.alert-warning {
  background-color: #fff3cd;
  color: #856404;
}

img {
  max-width: 100%;
  height: auto;
}

@media (max-width: 768px) {
  .hero-section {
    padding: 3rem 0;
  }

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

  .lead {
    font-size: 1rem;
  }

  .btn-lg {
    padding: 0.6rem 1.5rem;
    font-size: 1rem;
  }

  .navbar-brand {
    font-size: 1.5rem;
  }
}

@media (max-width: 576px) {
  .btn-primary,
  .btn-outline-light {
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
  }

  .card-body {
    padding: 1rem;
  }
}