/* Bret Formalités : feuille de style commune
   Polices système uniquement (aucun appel à un service tiers, donc pas de transfert d'IP hors UE). */
:root{
  --paper:#F6F7FA; --card:#FFFFFF; --ink:#16233A; --muted:#55627A; --line:#D9DEE8;
  --stamp:#4B3FA8; --stamp-soft:#ECEAF8; --ok:#1F7A55;
  --f-display:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;
  --f-body:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --f-mono:var(--f-body);
}
@media (prefers-color-scheme:dark){:root{
  --paper:#0F1522; --card:#172033; --ink:#E7EBF3; --muted:#A3AEC2; --line:#2A3550;
  --stamp:#A79CF2; --stamp-soft:#231F45; --ok:#5CC79A; color-scheme:dark}}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{font-variant-numeric:tabular-nums lining-nums;margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:1rem;line-height:1.6}
img{max-width:100%}
.wrap{max-width:1080px;margin:0 auto;padding-inline:20px}
a{color:var(--stamp)}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance;line-height:1.15;margin:0;font-weight:600}
h1{font-size:clamp(2rem,4.6vw,3.1rem)}
h2{font-size:clamp(1.5rem,3vw,2.1rem)}
h3{font-size:1.18rem}
p{margin:0}
.eyebrow{font-family:var(--f-mono);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--stamp)}
.lead{font-size:1.1rem;color:var(--muted);max-width:60ch}
.muted{color:var(--muted)}
section{padding-block:56px;border-top:1px solid var(--line)}
.stack{display:grid;gap:14px}
.prose{display:grid;gap:14px;max-width:70ch}
.prose ul{margin:0;padding-left:20px;display:grid;gap:6px}

/* en-tête */
.skip{position:absolute;left:-999px;top:0;background:var(--stamp);color:var(--paper);padding:8px 12px}
.skip:focus{left:8px;z-index:10}
header.top{position:sticky;top:0;z-index:5;background:var(--paper);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px 20px;padding-block:14px;flex-wrap:wrap}
.brand{font-family:var(--f-display);font-weight:700;font-size:1.2rem;color:var(--ink);text-decoration:none}
.brand span{color:var(--stamp)}
nav.main{display:flex;gap:6px 18px;flex-wrap:wrap;font-size:.93rem}
nav.main a{color:var(--muted);text-decoration:none;padding-block:4px}
nav.main a:hover,nav.main a:focus-visible,nav.main a[aria-current=page]{color:var(--ink)}
nav.main a[aria-current=page]{border-bottom:2px solid var(--stamp)}

/* fil d'Ariane */
.crumbs{font-size:.85rem;color:var(--muted);padding-top:22px}
.crumbs a{color:var(--muted)}

/* boutons */
.ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.btn{display:inline-block;padding:12px 20px;border-radius:6px;font-weight:600;text-decoration:none;border:1.5px solid var(--stamp)}
.btn.primary{background:var(--stamp);color:var(--paper)}
.btn.ghost{color:var(--stamp)}
.btn:focus-visible,a:focus-visible{outline:3px solid var(--stamp);outline-offset:3px}

/* accueil : en-tête et suivi */
.hero{padding-block:64px 52px;display:grid;grid-template-columns:1.35fr 1fr;gap:44px;align-items:center}
.hero > *{min-width:0}
.hero h1 em{color:var(--stamp);font-style:italic}
.receipt{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:24px;position:relative;font-size:.92rem}
.receipt .row{display:flex;justify-content:space-between;gap:12px;padding-block:9px;border-bottom:1px dashed var(--line)}
.receipt .row:last-of-type{border-bottom:0}
.receipt .k{color:var(--muted)}
.receipt .v{font-size:.9rem;font-weight:600;text-align:right}
.receipt .v.ok{color:var(--ok)}
.seal{position:absolute;right:-12px;top:-16px;transform:rotate(-9deg);border:2.5px solid var(--stamp);color:var(--stamp);
  font-family:var(--f-mono);font-size:.72rem;letter-spacing:.1em;padding:6px 10px;border-radius:4px;background:var(--card)}
.receipt small{display:block;margin-top:12px;color:var(--muted);font-size:.78rem}

/* pages intérieures : en-tête */
.page-head{padding-block:28px 44px;display:grid;gap:16px}
.page-head .price-tag{font-family:var(--f-mono);color:var(--stamp);font-size:.95rem}

/* cartes */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-top:28px}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:24px;display:grid;gap:10px;align-content:start;min-width:0}
.card .price{font-family:var(--f-mono);font-size:.88rem;color:var(--stamp)}
.card ul{margin:0;padding-left:18px;color:var(--muted);font-size:.93rem}
a.card{text-decoration:none;color:inherit}
a.card:hover{border-color:var(--stamp)}
a.card .more{color:var(--stamp);font-weight:600;font-size:.9rem}

.checks{display:grid;gap:14px;list-style:none;margin:0;padding:0}
.checks li{display:grid;grid-template-columns:24px 1fr;gap:10px}
.checks li::before{content:"✓";font-weight:700;color:var(--stamp);line-height:1.6}
.checks b{display:block}
.checks span{color:var(--muted)}

/* deux colonnes */
.cols{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.cols > *{min-width:0}

/* tableau des tarifs */
.table-wrap{overflow-x:auto;margin-top:24px;border:1px solid var(--line);border-radius:8px;background:var(--card)}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:.9rem;color:var(--muted);font-weight:600}
td.num{font-family:var(--f-mono);white-space:nowrap;color:var(--stamp);text-align:right}
tr.group td{background:var(--stamp-soft);font-weight:600;color:var(--ink)}
tr:last-child td{border-bottom:0}
td small{display:block;color:var(--muted)}

/* étapes */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:28px;counter-reset:s;list-style:none;padding:0}
.steps li{border-top:2px solid var(--stamp);padding-top:16px;counter-increment:s}
.steps li::before{content:"Étape " counter(s);font-size:.85rem;font-weight:600;color:var(--stamp);display:block;margin-bottom:6px}
.steps p{color:var(--muted);font-size:.93rem;margin-top:6px}

/* encadrés */
.note-box{background:var(--stamp-soft);border-radius:8px;padding:22px;display:grid;gap:8px}
.note{margin-top:14px;color:var(--muted);font-size:.88rem;max-width:80ch}

/* FAQ */
details{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:16px 20px}
details + details{margin-top:10px}
summary{cursor:pointer;font-weight:600}
details p,details ul{margin-top:10px;color:var(--muted)}
details ul{padding-left:20px}

/* bandeau contact */
.cta-band{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:28px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.cta-band h2{font-size:1.5rem}
.contact-lines{display:grid;gap:6px;font-family:var(--f-mono);font-size:.95rem}
.contact-lines a{text-decoration:none}

footer{border-top:1px solid var(--line);padding-block:32px;color:var(--muted);font-size:.84rem;margin-top:24px}
footer .wrap{display:grid;gap:8px}
footer nav{display:flex;gap:16px;flex-wrap:wrap}
footer a{color:var(--muted)}

@media (max-width:820px){
  .hero,.cols{grid-template-columns:1fr;gap:28px}
  .steps{grid-template-columns:1fr 1fr}
  }
@media (max-width:480px){.steps{grid-template-columns:1fr} section{padding-block:44px} th,td{padding:10px 12px} nav.main{font-size:.88rem;gap:4px 14px}}