/*
 * Base element styles shared by both sites (vitrine + client space). Uses tokens only.
 * Direction v3 « épurée » : lin background, Cormorant titles, Jost text, 1 px rules,
 * no radius, no shadow, a single red accent.
 */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-lin);
  color: var(--color-encre);
  font-family: var(--font-texte);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 {
  font-family: var(--font-titre);
  font-weight: 400;
  line-height: 1.05;
  margin: 0 0 var(--space-4);
  text-wrap: balance;
}
h1 { font-size: var(--fs-h1); line-height: 1; }
h2 { font-size: clamp(28px, 3vw, 40px); }
h3 { font-size: clamp(24px, 2.2vw, 30px); }
h4 { font-size: 22px; font-weight: 500; }
p { margin: 0 0 var(--space-4); text-wrap: pretty; }
a { color: var(--color-encre); text-underline-offset: 4px; text-decoration-thickness: 1px; }
a:hover { color: var(--color-rouge); }
img { max-width: 100%; height: auto; }
[hidden] { display: none !important; }

:focus-visible { outline: 1px solid var(--color-rouge); outline-offset: 4px; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}
.skip-link {
  position: absolute; left: var(--space-2); top: -4rem; z-index: 100;
  background: var(--color-craie); color: var(--color-encre); padding: var(--space-2) var(--space-4);
  border: var(--button-border); font: 400 var(--fs-nav) var(--font-texte); letter-spacing: .18em; text-transform: uppercase;
}
.skip-link:focus { top: var(--space-2); }

/* Label: small spaced capitals. */
.libelle, .surtitre {
  display: block; font: 500 var(--fs-label)/1.5 var(--font-texte); letter-spacing: .22em; text-transform: uppercase;
  color: var(--color-pierre);
}

/* ---------- Button: a single variant, outlined in ink, filled on hover ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  min-height: 52px; padding: 0 32px; border: var(--button-border); border-radius: 0;
  background: transparent; color: var(--color-encre);
  font: 400 var(--fs-nav) var(--font-texte); letter-spacing: .18em; text-transform: uppercase;
  text-decoration: none; text-align: center; cursor: pointer;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition);
}
.btn:hover { background: var(--color-encre); color: var(--color-lin); }
/* Client space only: a quieter secondary action. */
.btn--ghost { border-color: var(--color-filet-champ); color: var(--color-pierre); }
.btn--ghost:hover { background: transparent; border-color: var(--color-encre); color: var(--color-encre); }
.btn[disabled], .btn[aria-disabled="true"] { opacity: .5; cursor: not-allowed; }

/* Action link: red capitals, underlined by a 1 px border. */
.lien-action {
  display: inline-block; padding-bottom: 4px; border-bottom: 1px solid var(--color-rouge);
  color: var(--color-rouge); text-decoration: none;
  font: 400 var(--fs-nav)/1.4 var(--font-texte); letter-spacing: .18em; text-transform: uppercase;
}
.lien-action:hover { color: var(--color-encre); border-color: var(--color-encre); }

/* Placeholder for information the client still has to provide. */
.a-completer { color: var(--color-pierre); font-style: normal; }

/* ---------- Form fields: no box, a 1 px underline ---------- */
.champ { display: flex; flex-direction: column; gap: 6px; }
.champ > label:not(.case), .champ .libelle { font: 500 var(--fs-label) var(--font-texte); letter-spacing: .22em; text-transform: uppercase; color: var(--color-pierre); }
.champ input:not([type=checkbox]), .champ select, .champ textarea {
  width: 100%; min-height: 48px; padding: 6px 0; border: 0; border-bottom: 1px solid var(--color-filet-champ); border-radius: 0;
  background: transparent; color: var(--color-encre); font: 400 22px var(--font-titre);
}
.champ textarea { line-height: 1.4; resize: vertical; }
.champ input:focus, .champ select:focus, .champ textarea:focus { outline: none; border-bottom-color: var(--color-rouge); }
.champ [aria-invalid="true"] { border-bottom-color: var(--color-rouge); }
.champ__erreur { font-size: 13px; color: var(--color-rouge); }
.champ__erreur:empty { display: none; }
.case { display: grid; grid-template-columns: 26px minmax(0, 1fr); gap: 10px; align-items: start; min-height: 44px; font-size: 14px; line-height: 1.5; color: var(--color-pierre); cursor: pointer; }
.case input { width: 18px; height: 18px; min-height: 0; padding: 0; margin: 2px 0 0; accent-color: var(--color-encre); }
.case a { color: var(--color-rouge); }

/* ---------- Wordmark (vectorised from the client's business card) ---------- */
.logo { display: inline-block; line-height: 0; }
.logo img { display: block; width: auto; height: clamp(22px, 2.4vw, 30px); }
.logo--pied img { height: 56px; }
/* Narrowest phones: the wordmark, « Contact » and « Menu » share 280 px. */
@media (max-width: 389px) { .logo--entete img { height: 17px; } }