:root {
  /* Primary Color System */
  --color-primary: #2C3E50;
  --color-secondary: #E8F4F8;
  --color-background: #FFFFFF;
  --color-footer: #1A252F;
  --color-button: #3498DB;
  --color-accent: #34495E;
  --color-text-primary: #2C3E50;
  --color-text-secondary: #7F8C8D;
  --color-border: #ECF0F1;
  
  /* Section Background Colors */
  --section-bg-1: #FFFFFF;
  --section-bg-2: #F8F9FA;
  --section-bg-3: #FFFFFF;
  --section-bg-4: #F8F9FA;
  
  /* Typography */
  --font-serif: 'Playfair Display', 'Georgia', serif;
  --font-sans: 'Inter', 'Helvetica Neue', sans-serif;
  
  /* Spacing System */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 9999px;
  
  /* Shadows */
  --shadow-subtle: 0 1px 3px rgba(44, 62, 80, 0.1);
  --shadow-soft: 0 4px 6px rgba(44, 62, 80, 0.07);
  --shadow-medium: 0 8px 25px rgba(44, 62, 80, 0.1);
  
  /* Transitions */
  --transition-fast: 0.15s ease-out;
  --transition-normal: 0.3s ease-out;
  --transition-slow: 0.5s ease-out;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text-primary);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography Hierarchy */
h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 var(--space-md) 0;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-md);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--space-sm);
}

h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 600;
  line-height: 1.4;
  margin: 0 0 var(--space-sm) 0;
  color: var(--color-text-primary);
}

p {
  margin: 0 0 var(--space-md) 0;
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  line-height: 1.8;
}

/* Links */
a {
  color: var(--color-button);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

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

a:focus {
  outline: 2px solid var(--color-button);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Underlined Links for Elegant Style */
.link-underline {
  position: relative;
}

.link-underline::after {
  content: '';
  position: absolute;
  width: 0;
  height: 1px;
  bottom: -2px;
  left: 0;
  background-color: var(--color-button);
  transition: width var(--transition-normal);
}

.link-underline:hover::after {
  width: 100%;
}

/* Container System */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 1rem;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  min-height: 48px;
  text-align: center;
}

.btn-primary {
  background-color: var(--color-button);
  color: white;
  box-shadow: var(--shadow-subtle);
}

.btn-primary:hover {
  background-color: #2980B9;
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
  color: white;
}

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

.btn-outline {
  background-color: transparent;
  color: var(--color-button);
  border: 2px solid var(--color-button);
}

.btn-outline:hover {
  background-color: var(--color-button);
  color: white;
  transform: translateY(-1px);
}

.btn-text {
  background-color: transparent;
  color: var(--color-button);
  padding: var(--space-xs) 0;
  border-radius: 0;
  border-bottom: 2px solid transparent;
  min-height: auto;
}

.btn-text:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  transform: none;
  background-color: transparent;
}

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

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 500;
  color: var(--color-text-primary);
  font-size: 0.95rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text-primary);
  background-color: var(--color-background);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-button);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

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

/* Card System */
.card {
  background-color: var(--color-background);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-subtle);
  transition: all var(--transition-normal);
  border: 1px solid var(--color-border);
}

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

.card-header {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

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

.card-subtitle {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

.card-body {
  margin-bottom: var(--space-md);
}

.card-footer {
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

/* Section Layout System */
.section {
  padding: var(--space-3xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-2xl) auto;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
}

.section-content {
  max-width: 1200px;
  margin: 0 auto;
}

/* Alternate Section Backgrounds */
.section-alt-1 {
  background-color: var(--section-bg-1);
}

.section-alt-2 {
  background-color: var(--section-bg-2);
}

.section-alt-3 {
  background-color: var(--section-bg-3);
}

.section-alt-4 {
  background-color: var(--section-bg-4);
}

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

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Spacing Utilities */
.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

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

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

/* Text 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-text-secondary); }
.text-accent { color: var(--color-accent); }

.text-large { font-size: 1.25rem; }
.text-small { font-size: 0.9rem; }

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

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.logo:hover {
  color: var(--color-button);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-link {
  color: var(--color-text-primary);
  font-weight: 500;
  padding: var(--space-xs) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-button);
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--color-button);
  transition: width var(--transition-normal);
}

.nav-link:hover::after {
  width: 100%;
}

/* Footer Styles */
.site-footer {
  background-color: var(--color-footer);
  color: #BDC3C7;
  padding: var(--space-3xl) 0 var(--space-lg) 0;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

.footer-section h4 {
  color: white;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: var(--space-md);
}

.footer-section p,
.footer-section a {
  color: #BDC3C7;
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

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

.footer-bottom {
  border-top: 1px solid #34495E;
  padding-top: var(--space-lg);
  text-align: center;
  color: #95A5A6;
}

/* Mobile Navigation */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.hamburger {
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  position: relative;
  transition: all var(--transition-normal);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  transition: all var(--transition-normal);
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  bottom: -8px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container,
  .container-wide,
  .container-narrow {
    padding: 0 var(--space-sm);
  }
  
  .section {
    padding: var(--space-2xl) 0;
  }
  
  .header-container {
    padding: var(--space-sm);
  }
  
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-background);
    flex-direction: column;
    padding: var(--space-lg);
    box-shadow: var(--shadow-medium);
    border-top: 1px solid var(--color-border);
  }
  
  .nav.active {
    display: flex;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .card {
    padding: var(--space-lg);
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .card {
    padding: var(--space-md);
  }
}

/* Utility Classes */
.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;
}

.divider {
  height: 1px;
  background-color: var(--color-border);
  margin: var(--space-xl) 0;
}

.divider-vertical {
  width: 1px;
  height: 100%;
  background-color: var(--color-border);
  margin: 0 var(--space-md);
}

/* Loading States */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: loading-shimmer 1.5s infinite;
}

@keyframes loading-shimmer {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

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

.sr-only:focus {
  position: static;
  width: auto;
  height: auto;
  padding: var(--space-sm);
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

/* Print Styles */
@media print {
  .site-header,
  .site-footer,
  .btn,
  .mobile-menu-toggle {
    display: none;
  }
  
  .section {
    padding: var(--space-md) 0;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.4;
  }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  :root {
    --color-border: #000000;
    --color-text-secondary: #000000;
  }
  
  .card {
    border: 2px solid #000000;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}


/* 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;
    }
}