/* ==========================================================================
   LCDH13 — Base: reset, base typography, utility classes
   ========================================================================== */

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

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--ink-soft);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

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

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); font-weight: 480; }
h4 { font-size: var(--text-xl); font-weight: 500; }

p { max-width: 62ch; }

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

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

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

/* ---- Focus ---- */
:focus-visible {
  outline: 2px solid var(--accent-dark);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ---- Skip link ---- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 200;
  background: var(--ink);
  color: var(--paper);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  transition: top var(--duration-base) var(--ease-out);
}
.skip-link:focus { top: var(--space-4); }

/* ---- Layout utilities ---- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section { padding-block: var(--space-9); }
.section--tight { padding-block: var(--space-7); }
.section--alt { background: var(--paper-alt); }
.section--dark { background: var(--footer-bg); color: var(--footer-ink-soft); }
.section--dark h2, .section--dark h3 { color: var(--footer-ink); }

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

/* ---- Type utilities ---- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--accent-dark);
}
.eyebrow::before {
  content: "";
  width: 1.4em;
  height: 1px;
  background: currentColor;
}
.section--dark .eyebrow { color: var(--accent); }

.lede {
  font-size: var(--text-lg);
  color: var(--ink-soft);
  max-width: 46ch;
}

em, .accent-italic {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  color: var(--accent-dark);
}

.text-center { text-align: center; }

/* ---- Grid helpers ---- */
.grid { display: grid; gap: var(--space-6); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}
@media (min-width: 901px) and (max-width: 1100px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}