:root {
  --color-primary: #000000;
  --color-secondary: #FFFFFF;
  --color-background: #FFFFFF;
  --color-footer-bg: #F5F5F5;
  --color-button: #000000;
  --color-text: #111111;
  --color-border: #E5E5E5;
  
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  --radius-sm: 2px;
  --radius-md: 4px;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

* {
  box-sizing: border-box;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

h1 { font-size: 2.5rem; letter-spacing: -0.03em; }
h2 { font-size: 2rem; letter-spacing: -0.025em; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-sm);
  max-width: 65ch;
}

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

a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

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

.section {
  padding: var(--spacing-lg) 0;
  background-color: var(--color-background);
}

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

/* Header */
.header {
  background-color: var(--color-secondary);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-sm) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--color-primary);
  letter-spacing: -0.03em;
}

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

.nav-link {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-primary);
  transition: width 0.3s ease;
}

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

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

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  font-family: var(--font-main);
  text-decoration: none;
}

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

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

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

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

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Hero Section */
.hero {
  padding: var(--spacing-xl) 0;
  text-align: center;
  background-color: var(--color-secondary);
}

.hero h1 {
  font-size: 3.5rem;
  max-width: 900px;
  margin: 0 auto var(--spacing-sm);
  letter-spacing: -0.03em;
}

.hero p {
  font-size: 1.25rem;
  color: #444;
  margin: 0 auto var(--spacing-md);
  line-height: 1.5;
}

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

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.card {
  background: var(--color-secondary);
  border: 1px solid var(--color-border);
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.card p {
  font-size: 0.95rem;
  color: #555;
  margin-bottom: 0;
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.25rem;
  font-size: 0.875rem;
  color: var(--color-primary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-size: 1rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  background-color: var(--color-secondary);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

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

/* Footer */
.footer {
  background-color: var(--color-footer-bg);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: var(--spacing-sm);
}

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

.footer-col li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: #666;
  text-decoration: none;
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  color: #666;
}

/* Highlight Helper - for high contrast visual effect */
.highlight {
  background-color: var(--color-primary);
  color: var(--color-secondary);
  padding: 0 0.25rem;
}

/* Responsive */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  
  .hero h1 { font-size: 2.5rem; }
  .hero p { font-size: 1.1rem; }
  
  .nav-menu {
    display: none; /* Normally toggle via JS, keeping CSS minimal */
  }
  
  .header-inner {
    justify-content: center;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .container {
    padding: 0 var(--spacing-sm);
  }
}

/* Utility class for tailwind compatibility - ensuring high contrast text */
.text-high-contrast {
  color: #000000 !important;
}

/* Section Spacing Variations */
.section-tight {
  padding: var(--spacing-md) 0;
}

/* List Styles */
ul.styled-list, ol.styled-list {
  padding-left: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

ul.styled-list li {
  margin-bottom: 0.5rem;
  list-style-type: disc;
  list-style-position: outside;
  padding-left: 0.5rem;
}

/* Emphasis */
em {
  font-style: italic;
  color: var(--color-primary);
}

strong {
  font-weight: 700;
  color: var(--color-primary);
}


/* 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;
    }
}