/* ==========================================================================
   Entropy — Reset + fondations typographiques
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 24px);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.is-locked { overflow: hidden; }

h1, h2, h3, h4, h5 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  line-height: var(--lh-heading);
  letter-spacing: var(--ls-heading);
  text-wrap: balance;
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease);
}

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

/* <picture> disparaît de la mise en page : sans cela, un img en height:100%
   se mesurerait contre le <picture> (hauteur auto) au lieu du cadre à ratio fixe. */
picture { display: contents; }

button, input, textarea, select {
  font: inherit;
  color: inherit;
  margin: 0;
}

button { background: none; border: 0; cursor: pointer; }

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

/* Le navigateur applique une marge latérale de 40 px aux <figure> : elle
   rétrécirait les visuels encadrés sans qu'aucune règle du site ne le dise. */
figure, figcaption, dl, dd { margin: 0; }

hr {
  height: 1px;
  border: 0;
  margin: 0;
  background: var(--line);
}

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

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

/* --- Utilitaires typographiques ---------------------------------------- */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  font-family: var(--font-body);
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--ink-muted);
}

.eyebrow::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
}

.eyebrow--plain::before { display: none; }

.serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.lead {
  font-size: clamp(1.0625rem, 1.35vw, 1.25rem);
  line-height: 1.55;
  color: var(--ink-soft);
}

.muted   { color: var(--ink-muted); }
.faint   { color: var(--ink-faint); }
.measure { max-width: var(--maxw-text); }
.nowrap  { white-space: nowrap; }

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

.skip-link {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 999;
  padding: 0.75rem 1.25rem;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--r-sm);
  transform: translateY(-150%);
  transition: transform var(--dur-fast) var(--ease);
}

.skip-link:focus-visible { transform: translateY(0); }