/* Reset + base typography */

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

html {
  scroll-behavior: auto;     /* Lenis takes over */
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.55;
  font-weight: 400;
  overflow-x: hidden;
  position: relative;
}

/* Faint, cool noise — just a hint of texture, not a parchment overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: var(--z-flair);
  background-image: url('../assets/textures/paper-noise.svg');
  background-size: 380px 380px;
  opacity: 0.06;
  mix-blend-mode: multiply;
}

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

a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: color 200ms var(--ease-soft);
}
a:hover { color: var(--vermilion); }

/* Headings */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.1;
  margin: 0 0 var(--s-4);
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.5rem, 6vw, 4.75rem); }
h2 { font-size: clamp(2rem, 4.5vw, 3.25rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p { margin: 0 0 var(--s-4); }

/* Section labels — Inter tracked caps, with a short rule */
.eyebrow {
  font-family: var(--font-meta);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 var(--s-3);
  display: inline-block;
}
.eyebrow::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--ink-faint);
  vertical-align: middle;
  margin-right: var(--s-3);
  transform: translateY(-2px);
}

/* Italic display — EB Garamond italic (decorative italic font is map-only) */
.italic-display {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
}

/* Meta type — captions, footnotes */
.meta {
  font-family: var(--font-meta);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--ink-faint);
}

/* Divider — quiet hairline */
.divider-engraved {
  border: 0;
  height: 1px;
  background: var(--navy-line);
  margin: var(--s-12) auto;
  max-width: 220px;
}

/* Containers */
.container       { width: 100%; max-width: var(--container-wide); margin: 0 auto; padding: 0 var(--s-6); }
.container-narrow{ width: 100%; max-width: var(--container-narrow); margin: 0 auto; padding: 0 var(--s-6); }
.container-mid   { width: 100%; max-width: var(--container-mid); margin: 0 auto; padding: 0 var(--s-6); }
.container-full  { width: 100%; max-width: var(--container-full); margin: 0 auto; padding: 0 var(--s-6); }

/* Section rhythm */
section {
  padding: var(--s-32) 0;
  position: relative;
  z-index: var(--z-content);
}
@media (max-width: 768px) {
  section { padding: var(--s-24) 0; }
}

/* Reveal animation — set by IntersectionObserver in main.js */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 800ms var(--ease-soft), transform 800ms var(--ease-soft);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 80ms; }
.reveal-delay-2 { transition-delay: 160ms; }
.reveal-delay-3 { transition-delay: 240ms; }
.reveal-delay-4 { transition-delay: 320ms; }

/* Selection */
::selection { background: var(--vermilion); color: var(--paper-light); }

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