/* Site vitrine de Signature Transfert : charte du CRM (noir, or, Josefin Sans, Source Sans 3).
   Aucune ressource externe : polices, logo et feuille de style sont servis par le site. */
@font-face { font-family: "Josefin Sans"; font-weight: 600; font-display: swap; src: url("/fonts/josefin-sans-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Source Sans 3"; font-weight: 400; font-display: swap; src: url("/fonts/source-sans-3-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Source Sans 3"; font-weight: 600; font-display: swap; src: url("/fonts/source-sans-3-latin-600-normal.woff2") format("woff2"); }

:root {
  --ink: #17171a;
  --muted: #5b574f;
  --line: #e2ded5;
  --bg: #f5f4f1;
  --surface: #ffffff;
  --black: #0b0b0b;
  --on-black: #f3efe7;
  --gold: #836124;        /* or sur fond clair : contraste ≥ 4,5:1 */
  --gold-bright: #d2ab62; /* or sur fond noir */
  --f-display: "Josefin Sans", "Futura", "Century Gothic", system-ui, sans-serif;
  --f-body: "Source Sans 3", "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--f-body); font-size: 17px; line-height: 1.6; }

.cadre { max-width: 960px; margin: 0 auto; padding: 0 20px; }
main.cadre { padding-top: 48px; padding-bottom: 64px; }

.evitement { position: absolute; left: -9999px; top: 0; }
.evitement:focus { left: 16px; top: 16px; z-index: 10; background: var(--surface); color: var(--ink); padding: 8px 12px; border-radius: 8px; }

.bandeau { background: var(--black); padding: 16px 20px; }
.bandeau a { display: block; max-width: 720px; margin: 0 auto; }
.logo { display: block; width: 100%; max-width: 720px; height: auto; margin: 0 auto; }

h1, h2 { font-family: var(--f-display); font-weight: 600; line-height: 1.2; margin: 0; }
h1 { font-size: clamp(1.8rem, 4.8vw, 2.7rem); letter-spacing: .01em; margin-bottom: 16px; }
h2 { font-size: 1.05rem; text-transform: uppercase; letter-spacing: .12em; color: var(--gold); margin-bottom: 16px; }
h3 { font-size: 1.1rem; font-weight: 600; line-height: 1.3; margin: 0 0 4px; }
p { margin: 0 0 12px; }
.or { color: var(--gold); }
.insecable { white-space: nowrap; }

a { color: var(--gold); text-underline-offset: 2px; }
a:hover { color: var(--ink); }
a:focus-visible { outline: 3px solid var(--gold-bright); outline-offset: 2px; border-radius: 2px; }
.bouton { display: inline-block; margin-top: 8px; padding: 12px 22px; border-radius: 8px; background: var(--black); color: var(--gold-bright); font-weight: 600; text-decoration: none; }
.bouton:hover { background: #2a2a2e; color: var(--gold-bright); }

/* Accueil */
.intro { padding-top: 56px; }
.intro p { font-size: 1.15rem; max-width: 40em; }
.intro .accroche { font-family: var(--f-display); font-size: .95rem; text-transform: uppercase; letter-spacing: .14em; color: var(--gold); margin-bottom: 14px; }
section.cadre + section.cadre { padding-top: 48px; }

.prestations { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.prestations li { background: var(--surface); border: 1px solid var(--line); border-top: 3px solid var(--gold-bright); border-radius: 8px; padding: 18px 20px; }
.prestations p { margin: 0; color: var(--muted); }

.sombre { background: var(--black); color: var(--on-black); margin-top: 56px; padding: 48px 0 56px; }
.sombre h2 { color: var(--gold-bright); }
.sombre .or { color: var(--gold-bright); }
.sombre a { color: var(--on-black); }
.sombre a:hover { color: var(--gold-bright); }
.titre-contact { font-family: var(--f-display); font-weight: 600; font-size: clamp(1.6rem, 4.2vw, 2.4rem); line-height: 1.2; margin: 0 0 28px; }
.interlocuteurs { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.interlocuteur { border-top: 2px solid var(--gold-bright); padding-top: 16px; }
.interlocuteur p { margin: 0 0 6px; }
.interlocuteur .nom { font-weight: 600; font-size: 1.35rem; margin: 0; }
.interlocuteur .fonction { color: var(--gold-bright); font-size: .9rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 12px; }

/* Mentions légales */
.mentions h2 { margin-top: 32px; margin-bottom: 12px; }

.pied { background: var(--black); color: #e8e4dc; font-size: .95rem; border-top: 1px solid #2a2a2e; }
.pied .cadre { padding-top: 20px; padding-bottom: 20px; }
.pied p { margin: 0; }
.pied p + p { margin-top: 6px; }
.pied a { color: var(--gold-bright); }
.pied a:hover { color: #ffffff; }

@media (max-width: 760px) {
  .prestations { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  main.cadre { padding-top: 32px; padding-bottom: 48px; }
  .intro { padding-top: 36px; }
  .prestations, .interlocuteurs { grid-template-columns: 1fr; }
  .interlocuteurs { gap: 24px; }
  .sombre { margin-top: 40px; padding: 36px 0 44px; }
}