/* Base typography and global styles */

html, body {
  background: var(--ink-black);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 300;
  line-height: var(--leading-normal);
}

body {
  overflow-x: hidden;
}

::selection {
  background: var(--text-primary);
  color: var(--ink-black);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
}

h1 {
  font-size: var(--text-6xl);
  font-weight: 300;
}

h2 {
  font-size: var(--text-4xl);
  font-weight: 400;
}

h3 {
  font-size: var(--text-2xl);
  font-weight: 400;
}

h4 {
  font-size: var(--text-xl);
  font-weight: 500;
}

p {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--text-primary);
  max-width: var(--container-text);
}

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

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--text-primary);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Italic for serif body text (used in taglines) */
em, i {
  font-style: italic;
}

/* Selection highlight is inverted */
::-moz-selection {
  background: var(--text-primary);
  color: var(--ink-black);
}

/* Skip to content link */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--text-primary);
  color: var(--ink-black);
  padding: var(--space-3) var(--space-4);
  z-index: var(--z-loading);
  transition: top var(--transition-fast);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.skip-to-content:focus {
  top: 0;
  color: var(--ink-black);
}

/* Optional film grain overlay */
.grain {
  position: fixed;
  inset: 0;
  z-index: var(--z-grain);
  pointer-events: none;
  opacity: 0.025;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}