:root {
  --marine: #1B2B45;
  --marine-clair: #24365420;
  --or: #C9A227;
  --bleu: #1F6FB5;
  --txt: #1F2937;
  --gris: #6B7280;
  --bord: #E5E7EB;
  --fond: #F7F9FB;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--fond); color: var(--txt);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
}
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 720px; }
.center { text-align: center; }
a { color: var(--bleu); }

/* Navigation */
.nav { background: #fff; border-bottom: 1px solid var(--bord); position: sticky; top: 0; z-index: 10; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding-top: 12px; padding-bottom: 12px; gap: 16px; }
.brand img { height: 34px; display: block; }
.nav nav { display: flex; align-items: center; gap: 22px; }
.nav nav a { color: var(--txt); text-decoration: none; font-size: 14.5px; font-weight: 500; }
.nav nav a:hover { color: var(--bleu); }
.btn-nav { background: var(--marine); color: #fff !important; padding: 8px 16px; border-radius: 8px; }

/* Hero */
.hero { background: var(--marine); color: #fff; padding: 72px 0 64px; }
.hero h1 { font-size: 40px; line-height: 1.2; margin: 0 0 16px; max-width: 720px; }
.lead { font-size: 17.5px; opacity: .9; max-width: 660px; margin: 0 0 28px; }
.hero-cta { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.hero-note { font-size: 13.5px; opacity: .7; }
.btn {
  display: inline-block; background: var(--or); color: var(--marine);
  padding: 13px 24px; border-radius: 10px; text-decoration: none; font-weight: 600; font-size: 15px;
}
.btn:hover { filter: brightness(1.07); }

/* Sections */
.section { padding: 60px 0; }
.section.alt { background: #fff; border-top: 1px solid var(--bord); border-bottom: 1px solid var(--bord); }
.section h2 { font-size: 26px; color: var(--marine); margin: 0 0 26px; }
.section.alt h2, .center h2 { margin-bottom: 14px; }

/* Grille de fonctionnalités */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.card { background: #fff; border: 1px solid var(--bord); border-radius: 12px; padding: 22px; }
.section.alt .card { background: var(--fond); }
.card .ico { font-size: 26px; margin-bottom: 10px; }
.card h3 { font-size: 16.5px; color: var(--marine); margin: 0 0 8px; }
.card p { font-size: 14.5px; color: var(--gris); margin: 0; }
.lien { font-weight: 600; text-decoration: none; }

/* Pied de page */
.footer { background: var(--marine); color: #fff; padding: 26px 0; }
.foot-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13.5px; }
.footer nav { display: flex; gap: 20px; }
.footer a { color: #fff; opacity: .85; text-decoration: none; }
.footer a:hover { opacity: 1; }

/* Pages de contenu (confidentialité, mentions, assistance) */
.page-head { background: var(--marine); color: #fff; padding: 40px 0 34px; }
.page-head h1 { margin: 0 0 6px; font-size: 27px; }
.page-head p { margin: 0; opacity: .8; font-size: 14px; }
.doc { padding: 30px 0 60px; }
.doc .card { padding: 24px 26px; margin-bottom: 18px; }
.doc h2 { font-size: 19px; color: var(--marine); margin: 0 0 12px; }
.doc h3 { font-size: 15px; color: var(--marine); margin: 20px 0 8px; }
.doc p, .doc li { font-size: 14.5px; }
.doc ul { padding-left: 20px; }
table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 13.5px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--bord); vertical-align: top; }
th { background: #F3F5F8; font-weight: 600; color: var(--marine); }
.alerte { background: #FEF7E0; border-left: 4px solid var(--or); padding: 14px 16px; border-radius: 0 8px 8px 0; margin: 16px 0; font-size: 14px; }
.maj { font-size: 13px; color: var(--gris); }

@media (max-width: 640px) {
  .hero { padding: 52px 0 46px; }
  .hero h1 { font-size: 30px; }
  .nav nav { gap: 14px; }
  .nav nav a:not(.btn-nav) { display: none; }
}