/* Base styles using design tokens */
body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-size: 1rem;
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.15;
  color: var(--text-primary);
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-light); }

/* Utility: section padding */
.section { padding: var(--space-xl) var(--space-md); position: relative; }

/* Logo invert for dark backgrounds */
.logo-light {
  filter: invert(1) brightness(2);
}

/* Gradient divider */
.divider {
  border: none;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent) 30%, var(--accent-light) 50%, var(--accent) 70%, transparent);
  margin: 0;
}

/* SVG grain texture overlay — apply to sections */
.grain::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 250 250' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px 200px;
}

/* Visible focus for keyboard users */
:focus-visible {
  outline: 2px solid var(--accent-light);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
:focus:not(:focus-visible) { outline: none; }

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 1rem;
  background: var(--accent);
  color: var(--bg-dark);
  padding: 0.5rem 1rem;
  font-family: var(--font-label);
  border-radius: var(--radius-sm);
  z-index: 9999;
}
.skip-link:focus { left: 1rem; }