:root {
  --color-primary: #2563eb;
  --color-secondary: #64748b;
  --color-background: #ffffff;
  --color-footer-bg: #1e293b;
  --color-button: #2563eb;
  --color-section-1: #ffffff;
  --color-section-2: #f8fafc;
  --color-section-3: #ffffff;
  
  --font-serif: 'Playfair Display', serif;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  
  --radius-pill: 9999px;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
}

/* Base Styles */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: var(--line-height-normal);
  color: var(--color-secondary);
  background-color: var(--color-background);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography System */
h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: var(--line-height-tight);
  color: var(--color-primary);
  margin: 0 0 var(--spacing-lg) 0;
  letter-spacing: -0.025em;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: var(--spacing-2xl);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  margin-bottom: var(--spacing-xl);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 2rem);
  margin-bottom: var(--spacing-lg);
}

h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 600;
  line-height: var(--line-height-tight);
  color: var(--color-primary);
  margin: 0 0 var(--spacing-md) 0;
}

p {
  margin: 0 0 var(--spacing-lg) 0;
  line-height: var(--line-height-relaxed);
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 0.2em;
  transition: all 0.2s ease;
}

a:hover {
  text-decoration-color: currentColor;
  color: var(--color-primary);
}

/* Layout System */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  width: 100%;
}

.section {
  padding: var(--spacing-4xl) 0;
}

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

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

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

/* Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  min-height: 3rem;
}

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

.btn-primary:hover {
  background-color: #1d4ed8;
  border-color: #1d4ed8;
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

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

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
  background-color: var(--color-secondary);
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Card System */
.card {
  background-color: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-header {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid #e2e8f0;
}

.card-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
  margin: 0 0 var(--spacing-sm) 0;
}

.card-subtitle {
  font-size: 1rem;
  color: var(--color-secondary);
  margin: 0;
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--spacing-xl);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

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

.form-label {
  display: block;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  font-size: 0.875rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-md);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: var(--line-height-normal);
  color: var(--color-secondary);
  background-color: white;
  border: 2px solid #e2e8f0;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-checkbox,
.form-radio {
  margin-right: var(--spacing-sm);
  transform: scale(1.1);
}

/* Header */
.header {
  background-color: white;
  border-bottom: 1px solid #e2e8f0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) 0;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.025em;
}

.nav {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-xl);
}

.nav a {
  font-weight: 500;
  text-decoration: none;
  color: var(--color-secondary);
  transition: color 0.2s ease;
}

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

/* Footer */
.footer {
  background-color: var(--color-footer-bg);
  color: #cbd5e1;
  padding: var(--spacing-4xl) 0 var(--spacing-xl) 0;
}

.footer-content {
  display: grid;
  gap: var(--spacing-2xl);
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.footer-section h4 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: white;
  margin-bottom: var(--spacing-lg);
}

.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-section ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
  color: #cbd5e1;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-section ul li a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
  border-top: 1px solid #475569;
  font-size: 0.875rem;
  color: #94a3b8;
}

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

.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); }

.hidden { display: none; }
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }

.w-full { width: 100%; }
.h-full { height: 100%; }

/* Hero Section */
.hero {
  padding: var(--spacing-4xl) 0;
  text-align: center;
  background: linear-gradient(135deg, var(--color-section-1) 0%, var(--color-section-2) 100%);
}

.hero h1 {
  max-width: 800px;
  margin: 0 auto var(--spacing-xl) auto;
}

.hero p {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto var(--spacing-2xl) auto;
}

/* Feature Cards */
.features {
  display: grid;
  gap: var(--spacing-xl);
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.feature-card {
  background-color: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid #e2e8f0;
  transition: all 0.3s ease;
  text-align: center;
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.feature-icon {
  width: 3rem;
  height: 3rem;
  background-color: var(--color-primary);
  color: white;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg) auto;
  font-size: 1.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .section {
    padding: var(--spacing-2xl) 0;
  }
  
  .hero {
    padding: var(--spacing-2xl) 0;
  }
  
  .header-content {
    flex-direction: column;
    gap: var(--spacing-lg);
  }
  
  .nav {
    gap: var(--spacing-lg);
  }
  
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .card {
    padding: var(--spacing-lg);
  }
  
  .feature-card {
    padding: var(--spacing-lg);
  }
}

/* Focus and Accessibility */
*:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* Hover Effects for Interactive Elements */
.interactive:hover {
  transform: translateY(-2px);
  transition: transform 0.2s ease;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #1d4ed8;
}


/* 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;
    }
}