:root {
  /* Core Color Palette */
  --color-primary: #1a1a1a;
  --color-secondary: #f8f9fa;
  --color-background: #ffffff;
  --color-footer: #2d3748;
  --color-button: #4f46e5;
  --color-accent: #6366f1;
  --color-text-primary: #1a1a1a;
  --color-text-secondary: #6b7280;
  --color-text-light: #ffffff;
  --color-border: #e5e7eb;
  --color-border-light: #f3f4f6;
  
  /* Typography Scale */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Plus Jakarta Sans', Inter, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  
  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.125rem;
  --radius: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Shadows */
  --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --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);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

/* Base Typography & Reset */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-background);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-primary);
  margin: 0 0 var(--space-4) 0;
  letter-spacing: -0.025em;
}

h1 {
  font-size: var(--text-5xl);
  font-weight: 800;
  letter-spacing: -0.05em;
}

h2 {
  font-size: var(--text-4xl);
  letter-spacing: -0.04em;
}

h3 {
  font-size: var(--text-3xl);
  letter-spacing: -0.03em;
}

h4 {
  font-size: var(--text-2xl);
  letter-spacing: -0.02em;
}

h5 {
  font-size: var(--text-xl);
  font-weight: 600;
}

h6 {
  font-size: var(--text-lg);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

p {
  margin: 0 0 var(--space-4) 0;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

a {
  color: var(--color-button);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

/* Lists */
ul, ol {
  margin: 0 0 var(--space-4) 0;
  padding-left: var(--space-6);
}

li {
  margin-bottom: var(--space-2);
  color: var(--color-text-secondary);
}

/* Custom Container System */
.container-custom {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-narrow {
  max-width: 768px;
}

.container-wide {
  max-width: 1536px;
}

/* Section Background System */
.section-bg-white {
  background-color: var(--color-background);
}

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

.section-padding {
  padding: var(--space-20) 0;
}

.section-padding-sm {
  padding: var(--space-12) 0;
}

.section-padding-lg {
  padding: var(--space-24) 0;
}

/* Custom Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background-color: var(--color-button);
  color: var(--color-text-light);
  border-color: var(--color-button);
  box-shadow: var(--shadow-sm);
}

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

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

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

.btn-secondary:hover {
  background-color: var(--color-secondary);
  color: var(--color-primary);
  border-color: var(--color-border);
  text-decoration: none;
}

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

.btn-outline:hover {
  background-color: var(--color-button);
  color: var(--color-text-light);
  text-decoration: none;
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

/* Card System */
.card {
  background-color: var(--color-background);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.card-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border-light);
  background-color: var(--color-secondary);
}

.card-body {
  padding: var(--space-6);
}

.card-footer {
  padding: var(--space-6);
  border-top: 1px solid var(--color-border-light);
  background-color: var(--color-secondary);
}

.card-title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-text-primary);
}

.card-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.card-text {
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Form Elements */
.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--color-text-primary);
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-button);
  box-shadow: 0 0 0 3px rgb(79 70 229 / 0.1);
}

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

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right var(--space-3) center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: var(--space-10);
}

/* Navigation */
.navbar {
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-border-light);
  padding: var(--space-4) 0;
}

.navbar-brand {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text-primary);
  text-decoration: none;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-button);
  text-decoration: none;
}

/* Hero Section */
.hero {
  padding: var(--space-24) 0;
  background: linear-gradient(135deg, var(--color-background) 0%, var(--color-secondary) 100%);
}

.hero-title {
  font-size: var(--text-5xl);
  font-weight: 800;
  letter-spacing: -0.05em;
  margin-bottom: var(--space-6);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-button) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  max-width: 600px;
}

.hero-cta {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-6);
}

.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); }

/* Flex Utilities */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Spacing Utilities */
.m-0 { margin: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.p-0 { padding: 0; }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }
.pt-8 { padding-top: var(--space-8); }
.pb-8 { padding-bottom: var(--space-8); }

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

.text-sm { font-size: var(--text-sm); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }

.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: #9ca3af; }
.text-white { color: var(--color-text-light); }

/* Border Utilities */
.border { border: 1px solid var(--color-border); }
.border-t { border-top: 1px solid var(--color-border-light); }
.border-b { border-bottom: 1px solid var(--color-border-light); }

.rounded { border-radius: var(--radius); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }

/* Background Utilities */
.bg-white { background-color: var(--color-background); }
.bg-light { background-color: var(--color-secondary); }
.bg-dark { background-color: var(--color-footer); }
.bg-primary { background-color: var(--color-button); }

/* Footer */
.footer {
  background-color: var(--color-footer);
  color: var(--color-text-light);
  padding: var(--space-16) 0 var(--space-8) 0;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text-light);
  margin-bottom: var(--space-4);
}

.footer-text {
  color: #cbd5e0;
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

.footer-link {
  color: #cbd5e0;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid #4a5568;
  padding-top: var(--space-8);
  margin-top: var(--space-8);
  color: #a0aec0;
  text-align: center;
}

/* Features Section */
.features {
  padding: var(--space-24) 0;
}

.feature-icon {
  width: 3rem;
  height: 3rem;
  background-color: var(--color-button);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.feature-title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-text-primary);
}

.feature-description {
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Content Section */
.content-section {
  padding: var(--space-20) 0;
}

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

.section-title {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto;
}

/* Statistics */
.stats {
  background: linear-gradient(135deg, var(--color-button) 0%, var(--color-accent) 100%);
  color: var(--color-text-light);
  padding: var(--space-20) 0;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: var(--text-4xl);
  font-weight: 800;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-sm);
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Call to Action */
.cta {
  background-color: var(--color-secondary);
  padding: var(--space-20) 0;
  text-align: center;
}

.cta-title {
  font-size: var(--text-3xl);
  font-weight: 800;
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
}

.cta-text {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --text-5xl: 2.5rem;
    --text-4xl: 2rem;
    --text-3xl: 1.75rem;
  }
  
  .container-custom {
    padding: 0 var(--space-4);
  }
  
  .hero {
    padding: var(--space-16) 0;
  }
  
  .section-padding {
    padding: var(--space-12) 0;
  }
  
  .section-padding-lg {
    padding: var(--space-16) 0;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }
  
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }
  
  .navbar-nav {
    flex-direction: column;
    gap: var(--space-4);
  }
}

@media (max-width: 480px) {
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .card-body,
  .card-header,
  .card-footer {
    padding: var(--space-4);
  }
}

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

/* Print Styles */
@media print {
  .btn,
  .navbar,
  .footer {
    display: none;
  }
  
  * {
    background: transparent !important;
    color: black !important;
    box-shadow: none !important;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
  }
  
  h1, h2, h3, h4, h5, h6 {
    page-break-after: avoid;
  }
  
  p, blockquote, ul, ol {
    page-break-inside: avoid;
  }
}

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

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

/* Loading States */
.btn-loading {
  position: relative;
  pointer-events: none;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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


/* 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;
    }
}