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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
  font-size: 100%;
  overflow-x: clip;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 0;
  overflow-wrap: break-word;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--line-height-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: var(--line-height-tight);
  margin-top: 0;
  margin-bottom: var(--space-4);
  color: var(--c-velvet-charcoal);
  letter-spacing: var(--tracking-tight);
}

p {
  margin-top: 0;
  margin-bottom: var(--space-6);
  color: var(--text-secondary);
}

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

a {
  color: inherit;
  transition: color var(--trans-base);
}

button, a {
  -webkit-tap-highlight-color: transparent;
}

/* Layout Utilities */
.container {
  width: min(100% - 2rem, var(--space-container));
  margin-inline: auto;
}

.container--narrow {
  width: min(100% - 2rem, var(--space-container-narrow));
  margin-inline: auto;
}

.section {
  padding-block: var(--space-section);
}

.section--muted {
  background-color: var(--bg-secondary);
}

.section--dark {
  background-color: var(--bg-dark);
  color: var(--text-on-dark);
}

.section--dark h1, 
.section--dark h2, 
.section--dark h3, 
.section--dark p {
  color: inherit;
}

/* Typography Utilities */
.section__eyebrow {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--text-accent);
  margin-bottom: var(--space-4);
}

.section__title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-6);
  line-height: var(--line-height-tight);
}

.section__copy {
  font-size: var(--text-lg);
  max-width: 50ch;
}

/* Fine Gold Rules */
.rule-gold {
  border: none;
  height: 1px;
  background-color: var(--border-gold);
  margin-block: var(--space-8);
  opacity: 0.6;
}

/* A11y */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: var(--z-modal);
  padding: var(--space-3) var(--space-6);
  background: var(--bg-dark);
  color: var(--text-on-dark);
  text-decoration: none;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: top var(--trans-base);
}

.skip-link:focus {
  top: var(--space-4);
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Reusable Motion Classes */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--trans-slow), transform var(--trans-slow);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}