:root {
  --color-primary: #1a1a1a;
  --color-secondary: #f5f5f5;
  --color-background: #ffffff;
  --color-footer-bg: #e5e5e5;
  --color-button: #1a1a1a;
  --color-text: #1a1a1a;
  --color-text-light: #4a4a4a;
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: "Georgia", "Times New Roman", serif;
  
  --radius-main: 0px;
  --radius-button: 9999px;
  
  --shadow-soft: 0 2px 8px rgba(0,0,0,0.05);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.12);
  
  --spacing-section: 5rem;
  --spacing-container: 2rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  background-color: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.7;
  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-serif);
  font-weight: 700;
  line-height: 1.2;
  margin-top: 0;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

h1 { font-size: 3.5rem; margin-bottom: 2rem; }
h2 { font-size: 2.5rem; letter-spacing: -0.01em; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; font-family: var(--font-sans); font-weight: 600; }

p {
  margin-bottom: 1.5rem;
  color: var(--color-text);
  max-width: 65ch;
}

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

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

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

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

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

/* Navigation */
.nav {
  background-color: var(--color-background);
  border-bottom: 1px solid rgba(26, 26, 26, 0.1);
  padding: 1.5rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-primary);
}

.nav-links {
  display: none;
  gap: 2.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-links a {
  color: var(--color-primary);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  position: relative;
}

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

.nav-links a:hover::after,
.nav-links a:focus::after {
  width: 100%;
}

/* Hero Section */
.hero {
  padding: 8rem 0 6rem;
  text-align: center;
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 5rem);
  max-width: 900px;
  margin: 0 auto 2rem;
}

.hero p {
  font-size: 1.25rem;
  color: var(--color-text-light);
  margin: 0 auto 3rem;
  line-height: 1.6;
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  padding: 1rem 2.5rem;
  border-radius: var(--radius-button);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: 1px solid transparent;
  letter-spacing: 0.02em;
}

.btn-primary {
  background-color: var(--color-button);
  color: #ffffff;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

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

.btn-outline:hover,
.btn-outline:focus {
  background-color: var(--color-primary);
  color: #ffffff;
}

.btn-text {
  background: none;
  color: var(--color-primary);
  padding: 0.5rem 0;
  border-radius: 0;
}

.btn-text:hover,
.btn-text:focus {
  text-decoration: underline;
}

/* Cards & Content Areas */
.card {
  background-color: #ffffff;
  padding: 2.5rem;
  border-radius: var(--radius-main);
  box-shadow: var(--shadow-soft);
  transition: all 0.3s ease;
  border: 1px solid rgba(0,0,0,0.03);
}

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

.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.form-input {
  width: 100%;
  padding: 1rem;
  border: 1px solid rgba(26, 26, 26, 0.2);
  background-color: #ffffff;
  font-family: var(--font-sans);
  font-size: 1rem;
  border-radius: var(--radius-main);
  transition: all 0.2s ease;
  color: var(--color-primary);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 26, 26, 0.1);
}

.form-input::placeholder {
  color: #999;
}

textarea.form-input {
  min-height: 150px;
  resize: vertical;
}

/* Footer */
.footer {
  background-color: var(--color-footer-bg);
  padding: 4rem 0 2rem;
  border-top: 1px solid rgba(26, 26, 26, 0.05);
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--color-text-light);
}

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

.footer-bottom {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(26, 26, 26, 0.1);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* Hero Overlay for visual interest */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: radial-gradient(circle at 50% 0%, rgba(26,26,26,0.03) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

/* High Contrast Enhancement */
.high-contrast .btn-primary {
  border: 2px solid var(--color-primary);
}

.high-contrast .form-input:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Responsive */
@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
  
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
  }
  
  .footer-links {
    align-items: flex-end;
  }
}

@media (min-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .hero {
    padding: 10rem 0 8rem;
  }
}

@media (max-width: 767px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  .section { padding: 3rem 0; }
  .hero { padding: 4rem 0 3rem; }
  .card { padding: 1.5rem; }
}

/* Mobile Navigation Toggle */
.nav-toggle {
  display: block;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-primary);
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
}

/* Utility Classes for High Contrast as requested */
.text-high-contrast {
  color: var(--color-primary) !important;
  font-weight: 600;
}

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

/* Visual Effects (Minimal as per request) */
.visual-effect-separator {
  width: 60px;
  height: 3px;
  background-color: var(--color-primary);
  margin: 2rem 0;
}

/* Ensure text is always readable */
* {
  text-rendering: optimizeLegibility;
}


/* 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;
    }
}