/* ==========================================================================
   BASE / RESET
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  color-scheme: light;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-display);
  font-size: var(--text-body);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

img, picture, svg, video {
  display: block;
  max-width: 100%;
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: 0;
  cursor: pointer;
  text-align: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
  padding: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
}

h1 { font-size: var(--text-h1); letter-spacing: var(--tracking-tighter); }
h2 { font-size: var(--text-h2); letter-spacing: var(--tracking-tighter); }
h3 { font-size: var(--text-h3); }
h4 { font-size: var(--text-h4); }

.font-serif {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: 0;
}

.eyebrow {
  display: inline-block;
  font-size: var(--text-eyebrow);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.text-muted { color: var(--color-text-muted); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

::selection {
  background: var(--color-lime);
  color: var(--color-ink);
}

/* Layout helpers used throughout the component library */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--section-pad-x);
}

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

.section--bleed {
  padding-inline: var(--section-pad-x);
}

/* Reveal-on-scroll primitive: toggled by IntersectionObserver in main.js */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--duration-slow) var(--ease-out-quart),
              transform var(--duration-slow) var(--ease-out-quart);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}