/* base.css: fonts, reset, page defaults and small helpers shared by every page. */

/* Fonts are self-hosted in assets/fonts. "swap" shows fallback text right away
   instead of hiding text while the font loads. */
@font-face {
  font-family: "Inter Tight";
  src: url("../fonts/inter-tight-700-latin.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-var-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Geist Mono";
  src: url("../fonts/geist-mono-500-latin.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h); /* anchor links stop below the sticky header */
}

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip; /* decorative glows may poke past the edge; never scroll sideways */
}

img, svg, video { display: block; max-width: 100%; height: auto; }
button { font: inherit; color: inherit; }
a { color: inherit; }
/* :where() keeps this reset at zero priority, so any class can set its own spacing */
:where(ul[role="list"]) { list-style: none; margin: 0; padding: 0; }

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: var(--track-tight);
  line-height: var(--lh-snug);
  text-wrap: balance;
}
p { margin: 0; text-wrap: pretty; }

::selection { background: var(--red); color: var(--on-red); }

/* Keyboard focus is always visible */
:focus-visible {
  outline: 2px solid var(--red-text);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- Helpers ---------- */

/* Skip link: the first thing a keyboard user reaches */
.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100px;
  z-index: calc(var(--z-header) + 1);
  padding: var(--space-3) var(--space-4);
  background: var(--text);
  color: var(--bg);
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
}
.skip-link:focus { top: var(--space-4); }

.container {
  width: min(100% - 2 * var(--gutter), var(--container));
  margin-inline: auto;
}

.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;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--red-text);
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* Fine film grain over the whole page, for texture. Decorative only. */
.grain {
  position: fixed;
  inset: 0;
  z-index: var(--z-grain);
  pointer-events: none;
  opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.6 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Motion gate ----------
   The inline script in <head> adds .motion-ok only when motion is allowed.
   Start states hide here; motion.js reveals them. Without JS, nothing is hidden. */
html.motion-ok [data-reveal],
html.motion-ok [data-split] { opacity: 0; }

/* Headline line masks (from SplitText): extra room below so descenders like "y" aren't cut */
.split-line-mask { padding-bottom: 0.16em; margin-bottom: -0.16em; }

/* Visitors who ask their device for less motion get instant changes everywhere */
@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;
  }
}