/* Base : reset, typographie, focus, mouvement réduit */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

main { flex: 1 0 auto; display: block; }

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

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.01em;
  text-wrap: balance;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h1 em, h2 em, h3 em { font-style: italic; }

p { margin: 0; max-width: var(--measure); }
ul, ol { margin: 0; padding: 0; list-style: none; }
figure { margin: 0; }
small { font-size: var(--fs-small); }

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
  transition: color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease), opacity var(--t-fast) var(--ease);
}

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

/* Focus visible (3 px) */
:focus { outline: none; }
:focus-visible {
  outline: var(--focus);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection { background: var(--ink); color: var(--bg); }

/* Accessibilité */
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: 0;
  z-index: 200;
  transform: translateY(-120%);
  background: var(--ink);
  color: var(--bg);
  padding: 0 var(--sp-3);
  min-height: var(--btn-h);
  display: inline-flex;
  align-items: center;
  border-radius: 0 0 var(--radius-card) var(--radius-card);
  text-decoration: none;
  font-weight: 600;
}
.skip-link:focus { transform: translateY(0); }

[hidden] { display: none !important; }

@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;
  }
}