/* Evidence1 Brand Tokens - Design System */

/* Brand Color Variables */
:root {
  --brand-bg: #f5f4e3;
  --brand-fg: #51331a;
  --brand-accent-1: #6c533c;
  --brand-accent-2: #88735d;
  --brand-accent-3: #a3947f;
  
  /* Design Tokens */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  
  --shadow-sm: 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 10px rgba(0,0,0,.08);
  --shadow-lg: 0 10px 25px rgba(0,0,0,.12);
  --shadow-xl: 0 20px 40px rgba(0,0,0,.15);
  
  /* Typography Scale */
  --font-xs: 0.75rem;
  --font-sm: 0.875rem;
  --font-base: 1rem;
  --font-lg: 1.125rem;
  --font-xl: 1.25rem;
  --font-2xl: 1.5rem;
  --font-3xl: 1.875rem;
  --font-4xl: 2.25rem;
  --font-5xl: 3rem;
  
  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  
  /* Logo Clear Space */
  --logo-clear-space: clamp(8px, 33%, 20px);
}

/* Base Styles */
html, body {
  background: var(--brand-bg);
  color: var(--brand-fg);
}

/* Typography System */
h1, h2, h3, .display, .font-heading {
  font-family: "Comfortaa", system-ui, sans-serif;
  font-weight: 700;
  color: var(--brand-fg);
  line-height: 1.2;
}

h4, h5, h6, .subtitle, label, .font-subheading {
  font-family: "Montserrat", system-ui, sans-serif;
  font-weight: 700;
  color: var(--brand-fg);
  line-height: 1.4;
}

body, p, li, td, span, .font-body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--brand-fg);
  line-height: 1.6;
}

/* Link Styles */
a {
  color: var(--brand-accent-1);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--brand-accent-2);
}

a:focus {
  outline: 2px solid var(--brand-accent-1);
  outline-offset: 2px;
}

/* Button System */
.btn, button[type="submit"] {
  background: var(--brand-accent-1);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-6);
  font-family: "Montserrat", system-ui, sans-serif;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.btn:hover, button[type="submit"]:hover {
  background: var(--brand-accent-2);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn:active, button[type="submit"]:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn--secondary {
  background: var(--brand-accent-2);
}

.btn--secondary:hover {
  background: var(--brand-accent-3);
}

.btn--outline {
  background: transparent;
  color: var(--brand-accent-1);
  border: 2px solid var(--brand-accent-1);
}

.btn--outline:hover {
  background: var(--brand-accent-1);
  color: #ffffff;
}

/* Tags and Chips */
.chip, .tag, .badge {
  background: var(--brand-accent-3);
  color: #ffffff;
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-sm);
  font-family: "Montserrat", system-ui, sans-serif;
  font-weight: 700;
  display: inline-block;
}

/* Logo Wrapper with Clear Space */
.logo-wrap {
  display: inline-block;
  margin: var(--logo-clear-space);
}

.logo-wrap img {
  height: auto;
  width: auto;
  max-height: 40px;
  display: block;
}

/* Responsive Logo Clear Space */
@media (max-width: 768px) {
  :root {
    --logo-clear-space: 12px;
  }
  
  .logo-wrap img {
    max-height: 32px;
  }
}

@media (max-width: 480px) {
  :root {
    --logo-clear-space: 8px;
  }
  
  .logo-wrap img {
    max-height: 28px;
  }
}

/* Card System */
.card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(81, 51, 26, 0.08);
  transition: all 0.3s ease;
}

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

/* Form Elements */
input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
  background: #ffffff;
  border: 2px solid var(--brand-accent-3);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-family: system-ui, -apple-system, sans-serif;
  color: var(--brand-fg);
  transition: all 0.2s ease;
  width: 100%;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--brand-accent-1);
  box-shadow: 0 0 0 3px rgba(108, 83, 60, 0.1);
}

/* Accessibility - High Contrast Text */
.text-high-contrast {
  color: var(--brand-fg) !important;
}

/* Dark Background Sections */
.dark-section {
  background: var(--brand-fg);
  color: var(--brand-bg);
}

.dark-section h1,
.dark-section h2,
.dark-section h3,
.dark-section h4,
.dark-section h5,
.dark-section p,
.dark-section li {
  color: var(--brand-bg);
}

.dark-section a {
  color: var(--brand-accent-3);
}

.dark-section a:hover {
  color: var(--brand-bg);
}

/* Navigation */
nav a {
  color: var(--brand-fg);
  font-family: "Montserrat", system-ui, sans-serif;
  font-weight: 700;
  transition: color 0.2s ease;
}

nav a:hover {
  color: var(--brand-accent-1);
}

/* Utility Classes */
.bg-brand { background: var(--brand-bg); }
.bg-brand-fg { background: var(--brand-fg); }
.bg-brand-accent-1 { background: var(--brand-accent-1); }
.bg-brand-accent-2 { background: var(--brand-accent-2); }
.bg-brand-accent-3 { background: var(--brand-accent-3); }

.text-brand { color: var(--brand-fg); }
.text-brand-accent-1 { color: var(--brand-accent-1); }
.text-brand-accent-2 { color: var(--brand-accent-2); }
.text-brand-accent-3 { color: var(--brand-accent-3); }

/* Ensure Minimum Contrast Ratio 4.5:1 */
.text-ensure-contrast {
  color: var(--brand-fg);
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
}

/* Focus States for Accessibility */
*:focus-visible {
  outline: 2px solid var(--brand-accent-1);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  :root {
    --brand-bg: #ffffff;
    --brand-fg: #000000;
  }
  
  .no-print {
    display: none !important;
  }
}