/* =============================================================================
 * base.css — resets, typography, and the locally-vendored Inter font
 * -----------------------------------------------------------------------------
 * All colours/spacing come from tokens.css. NO third-party CDN URLs — Inter is
 * vendored under /assets/vendor/inter/ by scripts/vendor-assets.sh.
 * ========================================================================== */

/* -----------------------------------------------------------------------------
 * Inter (OFL-1.1) — variable font, vendored locally. Reproduced by
 * scripts/vendor-assets.sh (see web/dist/assets/vendor/README.md for the pin).
 * -------------------------------------------------------------------------- */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/assets/vendor/inter/InterVariable.woff2") format("woff2");
}

@font-face {
  font-family: "Inter";
  font-style: italic;
  font-weight: 100 900;
  font-display: swap;
  src: url("/assets/vendor/inter/InterVariable-Italic.woff2") format("woff2");
}

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

* {
  margin: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  /* Recolour smoothly when brand/theme flips live via theme.js */
  transition: background-color var(--transition-base),
    color var(--transition-base);
}

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

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

button {
  cursor: pointer;
  background: none;
  border: none;
}

ul[role="list"],
ol[role="list"] {
  list-style: none;
  padding: 0;
}

a {
  color: var(--color-link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* -----------------------------------------------------------------------------
 * Typography
 * -------------------------------------------------------------------------- */
h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--color-heading);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-md); }
h6 {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-muted);
}

small {
  font-size: var(--font-size-sm);
}

code,
kbd,
pre,
samp {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

code {
  padding: 0.1em 0.35em;
  border-radius: var(--radius-xs);
  background-color: var(--color-surface-2);
}

hr {
  border: none;
  border-top: var(--border-width) solid var(--color-border);
  margin: var(--space-4) 0;
}

::selection {
  background-color: var(--color-accent);
  color: var(--color-accent-contrast);
}

/* -----------------------------------------------------------------------------
 * Global focus & scrollbars
 * -------------------------------------------------------------------------- */
:focus-visible {
  outline: none;
  box-shadow: var(--focus-outline);
  border-radius: var(--radius-xs);
}

* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-border-strong) transparent;
}

*::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

*::-webkit-scrollbar-thumb {
  background-color: var(--color-border-strong);
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  background-clip: content-box;
}

*::-webkit-scrollbar-track {
  background: transparent;
}

/* Respect reduced-motion preferences */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* Utility: visually hidden but accessible to screen readers */
.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;
}