/* ============================================
   TYPOGRAPHY — Staffing Academy
   Font loading, fluid type scale, prose styles
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', 'Cascadia Code', monospace;

  /* Fluid type scale using clamp() */
  --text-xs: clamp(0.75rem, 0.7rem + 0.15vw, 0.8125rem);
  --text-sm: clamp(0.8125rem, 0.78rem + 0.2vw, 0.875rem);
  --text-base: clamp(0.9375rem, 0.9rem + 0.2vw, 1rem);
  --text-lg: clamp(1.0625rem, 1rem + 0.3vw, 1.125rem);
  --text-xl: clamp(1.1875rem, 1.1rem + 0.4vw, 1.3125rem);
  --text-2xl: clamp(1.4375rem, 1.2rem + 0.8vw, 1.75rem);
  --text-3xl: clamp(1.75rem, 1.4rem + 1.2vw, 2.25rem);
  --text-4xl: clamp(2.25rem, 1.7rem + 1.8vw, 3rem);
  --text-5xl: clamp(2.75rem, 2rem + 2.5vw, 4rem);
  --text-6xl: clamp(3.25rem, 2.3rem + 3.2vw, 5rem);

  /* Line heights */
  --leading-none: 1;
  --leading-tight: 1.15;
  --leading-snug: 1.3;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  /* Letter spacing */
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  --tracking-widest: 0.1em;

  /* Font weights */
  --weight-light: 300;
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
}

/* ---- Base typography ---- */

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  font-weight: var(--weight-normal);
  letter-spacing: var(--tracking-normal);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'kern' 1, 'liga' 1;
}

/* ---- Headings ---- */

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
  margin: 0;
}

h1, .h1 {
  font-size: var(--text-5xl);
  letter-spacing: -0.03em;
}

h2, .h2 {
  font-size: var(--text-4xl);
  letter-spacing: -0.02em;
}

h3, .h3 {
  font-size: var(--text-3xl);
}

h4, .h4 {
  font-size: var(--text-2xl);
}

h5, .h5 {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
}

h6, .h6 {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
}

/* ---- Prose ---- */

p {
  margin: 0 0 var(--space-4) 0;
  max-width: 68ch;
}

.lead {
  font-size: var(--text-xl);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
  max-width: 60ch;
}

small, .text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }

strong, .font-bold { font-weight: var(--weight-bold); }
.font-semibold { font-weight: var(--weight-semibold); }
.font-medium { font-weight: var(--weight-medium); }

/* ---- Links ---- */

a {
  color: var(--primary-bright);
  text-decoration: none;
  transition: color 150ms ease;
}

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

/* ---- Code ---- */

code, kbd, pre {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

code {
  background: var(--bg-inset);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  color: var(--primary-bright);
}

pre {
  background: var(--bg-dark);
  color: var(--text-inverse);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  overflow-x: auto;
  line-height: var(--leading-relaxed);
}

pre code {
  background: none;
  padding: 0;
  color: inherit;
}

/* ---- Labels & Badges ---- */

.label {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.section-label {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--primary-bright);
  margin-bottom: var(--space-3);
  display: block;
}

/* ---- Gradient text ---- */

.gradient-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-warm {
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- Text utilities ---- */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-balance { text-wrap: balance; }
.text-pretty { text-wrap: pretty; }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.text-inverse { color: var(--text-inverse); }
.text-accent { color: var(--accent); }
.text-primary-bright { color: var(--primary-bright); }

/* ---- Selection ---- */

::selection {
  background: rgba(59, 130, 246, 0.2);
  color: var(--text-primary);
}