:root {
  --marine: #1F3864; --ambre: #F2A93B; --fond: #F5F6F8; --texte: #1F2937; --gris: #6B7280;
  --rouge: #DC2626; --bord: #E5E7EB; --rayon: 12px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 17px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--texte); background: #fff; }
a { color: var(--marine); }
h1, h2, h3 { color: var(--marine); line-height: 1.2; }
h1 { font-size: 1.9rem; margin: 0 0 12px; }
h2 { font-size: 1.4rem; margin: 0 0 16px; }
h3 { font-size: 1.1rem; margin: 0 0 6px; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 640px; }
.section { padding: 40px 16px; }
.wrap.section { padding: 40px 16px; }
.lead { font-size: 1.15rem; color: var(--gris); margin: 0 0 20px; }
.muted { color: var(--gris); font-size: .95rem; }

.top { position: sticky; top: 0; z-index: 10; display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 16px; background: var(--marine); }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 800; letter-spacing: .02em; }
.brand small { display: none; font-weight: 500; opacity: .85; }
@media (min-width: 640px) { .brand small { display: inline; } }
.top nav { display: flex; align-items: center; gap: 14px; }
.top nav a { color: #fff; text-decoration: none; font-weight: 500; }
.top nav a[aria-current] { text-decoration: underline; text-decoration-color: var(--ambre); text-underline-offset: 6px; }

.btn { display: inline-block; background: var(--ambre); color: var(--marine) !important; font: inherit; font-weight: 700; text-decoration: none; padding: 14px 22px; border-radius: var(--rayon); border: 0; cursor: pointer; text-align: center; }
.btn:hover { filter: brightness(1.05); }
.btn-sm { padding: 8px 14px; }

.hero { background: var(--marine); color: #fff; padding: 56px 0 64px; }
.hero h1 { color: #fff; font-size: 2.1rem; max-width: 18ch; }
.hero .lead { color: #dbe3f0; }
.hero strong { color: var(--ambre); }
@media (min-width: 720px) { .hero h1 { font-size: 2.8rem; } }

.card { background: var(--fond); border-radius: var(--rayon); padding: 20px; }
.card p, .card ul { margin: 0; }
.card ul { padding-left: 20px; }
.grid3, .grid2 { display: grid; gap: 14px; margin-bottom: 16px; }
@media (min-width: 720px) { .grid3 { grid-template-columns: repeat(3, 1fr); } .grid2 { grid-template-columns: 1fr 1fr; } }

.steps { list-style: none; counter-reset: s; padding: 0; margin: 0; display: grid; gap: 14px; }
@media (min-width: 720px) { .steps { grid-template-columns: repeat(4, 1fr); } }
.steps li { counter-increment: s; background: var(--fond); border-radius: var(--rayon); padding: 18px; display: grid; gap: 4px; }
.steps li::before { content: counter(s); width: 32px; height: 32px; border-radius: 50%; background: var(--ambre); color: var(--marine); font-weight: 800; display: grid; place-items: center; }
.steps span { color: var(--gris); }

.tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li { background: var(--fond); border: 1px solid var(--bord); border-radius: 999px; padding: 8px 14px; }
.checks { padding: 0; list-style: none; display: grid; gap: 10px; }
.checks li { padding-left: 30px; position: relative; }
.checks li::before { content: "✓"; position: absolute; left: 0; color: var(--ambre); font-weight: 800; }

.faq details { border-bottom: 1px solid var(--bord); padding: 14px 0; }
.faq summary { font-weight: 600; cursor: pointer; color: var(--marine); }
.faq p { margin: 8px 0 0; color: var(--gris); }

.cta { background: var(--marine); color: #dbe3f0; padding: 48px 0; text-align: center; }
.cta h2 { color: #fff; }

.form { display: grid; gap: 14px; }
.form label { display: grid; gap: 4px; font-weight: 600; }
input, select, textarea { font: inherit; font-weight: 400; width: 100%; padding: 12px; border: 1px solid var(--bord); border-radius: var(--rayon); background: #fff; color: var(--texte); }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--ambre); border-color: var(--ambre); }
.form label.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; }
.form label.check input { width: 22px; height: 22px; flex: none; margin: 2px 0 0; }
.hp { position: absolute; left: -9999px; }
.error { background: #FEF2F2; color: var(--rouge); padding: 12px; border-radius: var(--rayon); }
.code { font-size: 3rem; font-weight: 800; color: var(--ambre); margin: 0; }
.legal h2 { font-size: 1.15rem; margin-top: 24px; }

.foot { background: var(--fond); padding: 24px 0; font-size: .95rem; color: var(--gris); }
.foot p { margin: 4px 0; }