/* SkillsBridge Foundation - Global Styles */
:root {
  --primary: #29abe2;
  --primary-dark: #2190c4;
  --secondary: #011d2b;
  --secondary-light: #033247;
  --white: #ffffff;
  --gray-100: #f8fafc;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --max-width: 1200px;
  --header-height: 72px;
  --font-sans: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: 0.2s ease;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --radius: 8px;
  --radius-lg: 12px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--secondary);
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

ul, ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 4rem 0;
}

.section--secondary {
  background-color: var(--gray-100);
}

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

.section--primary h1,
.section--primary h2,
.section--primary h3 {
  color: var(--white);
}

.section--primary a {
  color: var(--primary);
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Responsive utilities */
@media (min-width: 768px) {
  .md\:flex { display: flex; }
  .md\:grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
  .md\:grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
}

@media (min-width: 1024px) {
  .lg\:grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
  .lg\:grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
}