/* Feuille de style des pages de referencement Viossa. */

:root {
  --fond: #F2F3F5;
  --encre: #16171B;
  --texte: #43454D;
  --gris: #6E7079;
  --trait: #C9CBD1;
  --bleu: #2E2A8F;
  --blanc: #FFFFFF;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--fond);
  color: var(--encre);
  font-family: Archivo, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

.page {
  max-width: 1440px;
  margin: 0 auto;
  background: var(--fond);
}

@media (min-width: 1442px) {
  .page { border-left: 1px solid var(--trait); border-right: 1px solid var(--trait); }
}

a { color: var(--encre); text-decoration: none; }
a:hover { color: var(--bleu); }

img { max-width: 100%; }

/* --- En-tete --- */
.entete {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 128px;
  padding: 0 40px;
  border-bottom: 1px solid var(--trait);
  position: sticky;
  top: 0;
  background: var(--fond);
  z-index: 10;
}

.logo { display: flex; align-items: center; gap: 8px; }
.logo img:first-child { height: 92px; width: auto; display: block; }
.logo img:last-child { height: 30px; width: auto; display: block; align-self: flex-end; }

.nav {
  display: flex;
  gap: 34px;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.nav a { white-space: nowrap; }

/* --- Fil d'Ariane --- */
.ariane {
  padding: 18px 40px;
  border-bottom: 1px solid var(--trait);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gris);
}
.ariane a { color: var(--gris); }

/* --- Titre de page --- */
.chapeau {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  border-bottom: 1px solid var(--trait);
}
.chapeau > div:first-child {
  padding: 64px 40px 52px;
  border-right: 1px solid var(--trait);
}
.chapeau > div:last-child {
  padding: 64px 40px 52px;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--texte);
}

h1 {
  margin: 0 0 22px;
  font-size: 46px;
  line-height: 1.06;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.accroche {
  margin: 0;
  max-width: 56ch;
  font-size: 18px;
  line-height: 1.55;
  color: var(--texte);
  text-align: justify;
  hyphens: auto;
}

.fiche { display: flex; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--trait); padding: 0 0 10px; margin-bottom: 18px; }
.fiche:last-child { border-bottom: none; margin-bottom: 0; }
.fiche b { font-weight: 400; color: var(--encre); text-align: right; }

/* --- Sections --- */
section { padding: 56px 40px; border-bottom: 1px solid var(--trait); }

h2 {
  margin: 0 0 28px;
  font-size: 30px;
  line-height: 1.15;
  font-weight: 500;
  letter-spacing: -0.015em;
}

h3 {
  margin: 0 0 12px;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gris);
}

section p { max-width: 78ch; color: var(--texte); text-align: justify; hyphens: auto; }

.deux { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 40px; }

ul.liste { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; color: var(--texte); }
ul.liste li { padding-left: 18px; position: relative; }
ul.liste li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 8px; height: 1px; background: var(--gris); }

/* --- References --- */
.refs { display: flex; flex-direction: column; }
.ref { padding: 20px 0; border-bottom: 1px solid var(--trait); }
.ref:last-child { border-bottom: none; }
.ref-tete { display: flex; justify-content: space-between; gap: 20px; align-items: baseline; }
.ref-nom { font-size: 17px; color: var(--encre); }
.ref-date { font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 13px; color: var(--gris); flex: 0 0 auto; }
.ref-meta { margin: 4px 0 8px; font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 12.5px; color: var(--gris); }
.ref p { margin: 0; font-size: 15.5px; line-height: 1.6; }

/* --- Questions frequentes --- */
.faq h3 {
  margin: 26px 0 8px;
  font-family: Archivo, sans-serif;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.005em;
  text-transform: none;
  color: var(--encre);
}
.faq h3:first-of-type { margin-top: 0; }

/* --- Appel a l'action --- */
.cta { display: flex; flex-wrap: wrap; gap: 14px; padding: 56px 40px; border-bottom: 1px solid var(--trait); align-items: center; }
.bouton {
  padding: 15px 26px;
  background: var(--bleu);
  color: var(--blanc);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.bouton:hover { background: var(--encre); color: var(--blanc); }
.bouton.creux { background: transparent; color: var(--encre); border: 1px solid var(--encre); }
.bouton.creux:hover { background: var(--encre); color: var(--fond); }

/* --- Pied de page --- */
footer { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 30px; padding: 48px 40px; }
.coord { font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 12.5px; line-height: 1.8; color: var(--gris); }
.coord a { color: var(--bleu); }
.coord .nom { color: var(--encre); }

/* --- Adaptation aux petits ecrans --- */
@media (max-width: 900px) {
  .chapeau { grid-template-columns: 1fr; }
  .chapeau > div:first-child { border-right: none; border-bottom: 1px solid var(--trait); }
  .deux { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .entete { height: auto; flex-wrap: wrap; gap: 10px; padding: 12px 20px; }
  .nav { flex-wrap: wrap; gap: 8px 16px; font-size: 11px; }
  .logo img:first-child { height: 67px; }
  .logo img:last-child { height: 22px; }
  .ariane, section, .cta, footer { padding-left: 20px; padding-right: 20px; }
  .chapeau > div { padding: 40px 20px; }
  h1 { font-size: 32px; }
  h2 { font-size: 24px; }
  .ref-tete { flex-direction: column; gap: 2px; }
}