/* Design System Tokens — Website Generator (Light Theme) */
/* Clean, professional SaaS design tokens */

:root {
  /* === Color Primitives === */
  --color-white: #ffffff;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  --color-green-50: #f0fdf4;
  --color-green-100: #dcfce7;
  --color-green-500: #22c55e;
  --color-green-600: #16a34a;
  --color-green-700: #15803d;

  --color-amber-50: #fffbeb;
  --color-amber-100: #fef3c7;
  --color-amber-500: #f59e0b;
  --color-amber-600: #d97706;

  --color-red-50: #fef2f2;
  --color-red-100: #fee2e2;
  --color-red-500: #ef4444;
  --color-red-600: #dc2626;

  --color-blue-50: #eff6ff;
  --color-blue-100: #dbeafe;
  --color-blue-500: #3b82f6;
  --color-blue-600: #2563eb;

  /* === Semantic Colors === */
  --color-bg-primary: var(--color-gray-50);
  --color-bg-elevated: var(--color-white);
  --color-bg-hover: var(--color-gray-100);
  --color-text-primary: var(--color-gray-700);
  --color-text-secondary: var(--color-gray-500);
  --color-text-tertiary: var(--color-gray-400);
  --color-text-heading: var(--color-gray-900);
  --color-cta: var(--color-green-500);
  --color-cta-hover: var(--color-green-600);
  --color-cta-active: var(--color-green-700);
  --color-score-bad: var(--color-red-500);
  --color-score-mid: var(--color-amber-500);
  --color-score-good: var(--color-green-500);
  --color-info: var(--color-blue-500);
  --color-surface: var(--color-white);
  --color-border: var(--color-gray-200);

  /* === Typography === */
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Type Scale */
  --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 (4px base) === */
  --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-24: 6rem;

  /* === Breakpoints (for reference) === */
  --bp-sm: 480px;
  --bp-md: 768px;
  --bp-lg: 1024px;
  --bp-xl: 1280px;

  /* === Component Tokens === */
  --card-bg: var(--color-white);
  --card-border: var(--color-gray-200);
  --card-blur: 0px;
  --card-radius: 12px;
  --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --card-shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.06);
  --btn-radius: 8px;

  /* === Sidebar === */
  --sidebar-width: 220px;
  --sidebar-bg: var(--color-white);
  --sidebar-border: var(--color-gray-200);
  --sidebar-active-bg: var(--color-green-500);
  --sidebar-active-text: var(--color-white);

  /* === Header === */
  --header-height: 56px;
  --header-bg: var(--color-white);
  --header-border: var(--color-gray-200);
}

/* === Base Reset === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

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

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.3;
  font-weight: 700;
  color: var(--color-text-heading);
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-xl); font-weight: 600; }
h3 { font-size: var(--text-lg); font-weight: 600; }

p { margin-bottom: var(--space-4); }

a {
  color: var(--color-info);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

/* === Focus === */
:focus-visible {
  outline: 2px solid var(--color-cta);
  outline-offset: 2px;
}

/* === Card === */
.glass-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--card-radius);
  padding: var(--space-6);
  box-shadow: var(--card-shadow);
  transition: box-shadow 0.15s ease;
}

.glass-card:hover {
  box-shadow: var(--card-shadow-hover);
}

/* === CTA Button === */
.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background-color: var(--color-cta);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-sm);
  border: none;
  border-radius: var(--btn-radius);
  cursor: pointer;
  min-height: 40px;
  min-width: 48px;
  transition: background-color 0.2s ease;
  text-decoration: none;
}

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

.btn-cta:active {
  background-color: var(--color-cta-active);
}

/* === Utility Classes === */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-16);
  }
}

.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;
}

/* === Responsive Grid === */
.grid {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

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