:root {
  /* Brand Colors */
  --color-primary: #1e40af;
  --color-secondary: #f59e0b;
  --color-background: #ffffff;
  --color-footer-bg: #1f2937;
  --color-button: #1e40af;
  
  /* Section Backgrounds */
  --color-section-1: #f8fafc;
  --color-section-2: #ffffff;
  --color-section-3: #f1f5f9;
  
  /* Typography Scale */
  --font-family-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  /* Spacing Scale */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.125rem;
  --radius-md: 0.25rem;
  --radius-lg: 0.5rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-background);
  color: #1f2937;
  font-weight: 400;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  color: #111827;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--font-size-5xl);
  letter-spacing: -0.025em;
}

h2 {
  font-size: var(--font-size-4xl);
  letter-spacing: -0.025em;
}

h3 {
  font-size: var(--font-size-3xl);
  letter-spacing: -0.025em;
}

h4 {
  font-size: var(--font-size-2xl);
}

h5 {
  font-size: var(--font-size-xl);
}

h6 {
  font-size: var(--font-size-lg);
}

p {
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #1e3a8a;
  text-decoration: underline;
}

/* Layout Components */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-3xl) 0;
}

.section:nth-child(odd) {
  background-color: var(--color-section-1);
}

.section:nth-child(even) {
  background-color: var(--color-section-2);
}

.section:nth-child(3n) {
  background-color: var(--color-section-3);
}

/* Professional Card System */
.card {
  background: var(--color-background);
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.card-header {
  border-bottom: 1px solid #f3f4f6;
  padding-bottom: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: #111827;
  margin-bottom: var(--spacing-sm);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: #6b7280;
  font-weight: 400;
}

.card-body {
  color: #374151;
  line-height: 1.6;
}

/* Clean Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  line-height: 1.5;
  text-align: center;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background-color: #1e3a8a;
  border-color: #1e3a8a;
  color: white;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: #92400e;
  border-color: var(--color-secondary);
}

.btn-secondary:hover {
  background-color: #d97706;
  border-color: #d97706;
  color: white;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
  background-color: var(--color-primary);
  color: white;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
}

/* Form Elements */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: #374151;
  margin-bottom: var(--spacing-sm);
}

.form-input {
  display: block;
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid #d1d5db;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  line-height: 1.5;
  background-color: var(--color-background);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgb(30 64 175 / 0.1);
}

.form-select {
  display: block;
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid #d1d5db;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  line-height: 1.5;
  background-color: var(--color-background);
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='%236b7280' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6,9 10,13 14,9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  background-size: 1.5em 1.5em;
  appearance: none;
  padding-right: 2.5rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgb(30 64 175 / 0.1);
}

.form-textarea {
  display: block;
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid #d1d5db;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  line-height: 1.5;
  background-color: var(--color-background);
  resize: vertical;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgb(30 64 175 / 0.1);
}

/* Navigation */
.nav {
  background-color: var(--color-background);
  border-bottom: 1px solid #e5e7eb;
  padding: var(--spacing-md) 0;
}

.nav-brand {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: #111827;
  text-decoration: none;
}

.nav-link {
  color: #374151;
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.nav-link:hover {
  background-color: var(--color-section-1);
  color: var(--color-primary);
  text-decoration: none;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--color-section-1) 0%, var(--color-section-3) 100%);
  padding: var(--spacing-3xl) 0;
  text-align: center;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  color: #111827;
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.025em;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: #6b7280;
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Footer */
.footer {
  background-color: var(--color-footer-bg);
  color: #d1d5db;
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-title {
  color: #f9fafb;
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.footer-link {
  color: #d1d5db;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--color-secondary);
  text-decoration: none;
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-muted { color: #6b7280; }

.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-light { background-color: var(--color-section-1); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-lg);
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .card {
    padding: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-base);
  }
  
  .section {
    padding: var(--spacing-2xl) 0;
  }
}

/* Focus States for Accessibility */
.btn:focus,
.form-input:focus,
.form-select:focus,
.form-textarea:focus,
.nav-link:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Loading States */
.btn.loading {
  opacity: 0.6;
  cursor: not-allowed;
  position: relative;
}

.btn.loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  margin: auto;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Professional Table Styles */
.table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-background);
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.table th,
.table td {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  border-bottom: 1px solid #f3f4f6;
}

.table th {
  background-color: var(--color-section-1);
  font-weight: 600;
  color: #374151;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.table tbody tr:hover {
  background-color: var(--color-section-1);
}

/* Alert System */
.alert {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
  border: 1px solid transparent;
}

.alert-info {
  background-color: #eff6ff;
  border-color: #bfdbfe;
  color: #1e40af;
}

.alert-success {
  background-color: #f0fdf4;
  border-color: #bbf7d0;
  color: #166534;
}

.alert-warning {
  background-color: #fffbeb;
  border-color: #fed7aa;
  color: #92400e;
}

.alert-error {
  background-color: #fef2f2;
  border-color: #fecaca;
  color: #dc2626;
}


/* Cookie Banner Additional Styles for Tailwind */
.cookie-banner-hover-effect:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

@media (prefers-reduced-motion: reduce) {
    .cookie-banner-hover-effect:hover {
        transform: none;
    }
}