/* Reset, page defaults, and the layout helpers every section shares. */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font: 400 16px/1.6 var(--ui);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; }

[hidden] { display: none !important; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

:focus-visible {
  outline: 2px solid var(--laurel);
  outline-offset: 3px;
  border-radius: 6px;
}

/* the KV's plate behind the whole page: a lifted centre, darker edges, fine grain */
.plate {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(60% 50% at 50% 38%, var(--glow) 0%, transparent 70%),
    radial-gradient(120% 90% at 50% 50%, transparent 55%, var(--ground-deep) 100%),
    var(--ground);
}
.plate::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .09;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .5 0 0 0 0 .5 0 0 0 0 .5 0 0 0 1.4 -.2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.wrap {
  width: min(1200px, 100% - 32px);
  margin-inline: auto;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}