/* ==========================================================================
   Base — Typography, body, global styles
   ========================================================================== */

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition), color var(--transition);
}

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Display headings */
.heading-xl {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.heading-lg {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.heading-md {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 400;
  line-height: 1.3;
  color: var(--text-primary);
}

/* Body text */
.text-body {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.text-sm {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-muted);
}

/* Italic accent for display headings */
.italic {
  font-style: italic;
}

/* Section spacing */
.section {
  padding: var(--space-xl) 0;
}

/* Visually hidden (accessible) */
.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;
}

/* Selection */
::selection {
  background-color: var(--accent);
  color: #fff;
}

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}