/*
 * Base layer: reset, typography, accessibility primitives.
 * Logical properties only; visible focus ring (WCAG 2.4.7 / 2.4.11); reduced motion honoured.
 */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-block-start: var(--s-4);
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--c-surface);
  color: var(--c-text);
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

[hidden] {
  display: none !important;
}

img,
svg {
  display: block;
  max-inline-size: 100%;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--c-heading);
  font-weight: 800;
  text-wrap: balance;
}

p {
  margin: 0;
  text-wrap: pretty;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid var(--c-focus);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

.on-dark :focus-visible {
  outline-color: var(--c-focus-on-dark);
}

.sr-only {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  inset-inline-start: var(--s-4);
  inset-block-start: var(--s-2);
  z-index: 100;
  padding: var(--s-3) var(--s-4);
  border-radius: var(--r-sm);
  background: var(--c-surface-brand);
  color: var(--c-text-inverse);
  font-weight: 700;
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: none;
}

.sprite {
  position: absolute;
}

.icon {
  inline-size: 1em;
  block-size: 1em;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

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