/* ─────────────────────────────────────────────────────────────────────────────
   Vitrine — styles partagés (nav, pied de page, boutons).

   Chaque page marketing embarquait sa propre copie de ces règles dans un <style>
   inline, d'où des navs et des pieds de page différents d'une page à l'autre.
   ───────────────────────────────────────────────────────────────────────────── */
:root {
  --ink: #0F1B2D;
  --primary: #2563EB;
  --primary-dark: #1D4FD7;
  --accent: #F59E0B;
  --muted: #64748B;
  --light: #EAF1FD;
  --line: #E2E8F0;
}

/* ── Navigation ───────────────────────────────────────────────────────────── */
.nav { position: sticky; top: 0; z-index: 30; background: rgba(255,255,255,.92);
       backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between;
             padding: 14px 6vw; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 8px; text-decoration: none;
         font-weight: 800; font-size: 20px; color: var(--ink); line-height: 0; }
.brand:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 4px; }

.nav-links { display: flex; align-items: center; }
.nav-links a { text-decoration: none; font-weight: 600; font-size: 14px;
               margin-left: 22px; color: var(--ink); padding: 6px 0;
               white-space: nowrap; transition: color .15s; }
.nav-links a:hover { color: var(--primary); }
.nav-links a.cta { background: var(--primary); color: #fff; padding: 9px 16px;
                   border-radius: 9px; transition: background .15s; }
.nav-links a.cta:hover { background: var(--primary-dark); color: #fff; }
.nav-links a:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(37,99,235,.3);
                             border-radius: 8px; }

/* Bouton burger — sous 640 px, les liens disparaissaient purement et simplement,
   rendant Tarifs et Connexion inatteignables au doigt. */
.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px;
              width: 42px; height: 38px; padding: 9px; border: 1px solid var(--line);
              background: #fff; border-radius: 9px; cursor: pointer; }
.nav-toggle span { display: block; height: 2px; background: var(--ink); border-radius: 2px; }
.nav-toggle:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(37,99,235,.3); }

@media (max-width: 900px) {
  .nav-inner { flex-wrap: wrap; }
  .nav-toggle { display: flex; }
  .nav-links { display: none; width: 100%; flex-direction: column;
               align-items: stretch; padding-top: 10px; }
  .nav-links.is-open { display: flex; }
  .nav-links a { margin-left: 0; padding: 12px 4px; border-top: 1px solid var(--line);
                 font-size: 15.5px; }
  .nav-links a.cta { margin-top: 10px; text-align: center; border-top: none; padding: 13px 16px; }
}

/* ── Pied de page ─────────────────────────────────────────────────────────── */
.site-footer { border-top: 1px solid var(--line); padding: 46px 0 34px;
               background: #fff; color: var(--muted); font-size: 14px; }
.site-footer .container { max-width: 1080px; margin: 0 auto; padding: 0 6vw; }
.foot-inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr;
              gap: 32px; align-items: start; }
.foot-about { max-width: 300px; }
.foot-about .brand { margin-bottom: 12px; }
.foot-about p { line-height: 1.6; }
.foot-links { display: flex; flex-direction: column; gap: 9px; }
.foot-links strong { color: var(--ink); font-size: 13px; text-transform: uppercase;
                     letter-spacing: .06em; }
.foot-links a { color: var(--muted); text-decoration: none; }
.foot-links a:hover { color: var(--primary); }
.foot-bottom { margin-top: 34px; padding-top: 20px; border-top: 1px solid var(--line);
               display: flex; justify-content: space-between; gap: 14px;
               flex-wrap: wrap; font-size: 12.5px; }
.foot-sources { color: #94A3B8; }

@media (max-width: 760px) {
  .foot-inner { grid-template-columns: 1fr 1fr; gap: 26px; }
  .foot-about { grid-column: 1 / -1; max-width: none; }
}
@media (max-width: 420px) {
  .foot-inner { grid-template-columns: 1fr; }
}