/* ==========================================================================
   QR-Facture — Design system « éditorial / dossier administratif »
   Source unique pour toutes les pages. Polices auto-hébergées (voir fonts.css).
   ========================================================================== */

:root{
  --ink:#1c2321;
  --ink-soft:#4a5250;
  --paper:#f6f4ee;
  --paper-alt:#ece8dc;
  --navy:#1f3a5c;
  --rouge:#96372e;
  --line:#d3cdbc;
  --line-strong:#1c2321;
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}

body{
  background:var(--paper);
  color:var(--ink);
  font-family:'IBM Plex Sans', sans-serif;
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}

.wrap{max-width:1080px; margin:0 auto; padding:0 32px;}
a{color:inherit;}
img{max-width:100%;}
.mono{font-family:'IBM Plex Mono', monospace;}
.serif{font-family:'Fraunces', serif;}

/* ---------- HEADER ---------- */
.site-header{
  border-bottom:1px solid var(--line-strong);
  background:var(--paper);
  position:sticky; top:0; z-index:50;
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 32px; max-width:1080px; margin:0 auto; gap:20px; position:relative;
}
.logo{
  font-family:'IBM Plex Mono', monospace; font-size:15px;
  letter-spacing:0.02em; display:flex; align-items:center; gap:10px;
  text-decoration:none; white-space:nowrap;
}
.logo .mark{
  width:22px; height:22px; border:1.5px solid var(--ink);
  display:grid; place-items:center; font-size:11px;
}
.nav-wrap{display:flex; align-items:center; gap:28px;}
nav.main{display:flex; gap:28px; font-size:14px;}
nav.main a{text-decoration:none; border-bottom:1px solid transparent; padding-bottom:2px;}
nav.main a:hover{border-bottom:1px solid var(--ink);}
.burger{
  display:none; background:none; border:1px solid var(--ink); font-size:13px;
  padding:6px 10px; cursor:pointer; font-family:'IBM Plex Mono',monospace;
}

/* ---------- BOUTONS ---------- */
.btn{
  font-family:'IBM Plex Mono', monospace; font-size:13.5px;
  padding:12px 20px; border:1px solid var(--ink);
  text-decoration:none; display:inline-block; cursor:pointer;
  transition:background .15s ease, color .15s ease; background:transparent; color:var(--ink);
}
.btn-primary{background:var(--ink); color:var(--paper);}
.btn-primary:hover{background:var(--navy); border-color:var(--navy);}
.btn-ghost{background:transparent; color:var(--ink);}
.btn-ghost:hover{background:var(--paper-alt);}
.btn-sm{padding:9px 14px; font-size:12.5px;}
.btn:disabled{opacity:.45; cursor:not-allowed;}

/* ---------- HERO / éléments ---------- */
.hero{padding:80px 0 64px; border-bottom:1px solid var(--line);}
.hero-flex{display:flex; justify-content:space-between; align-items:center; gap:48px;}
.eyebrow{
  font-family:'IBM Plex Mono', monospace; font-size:12.5px; color:var(--rouge);
  text-transform:uppercase; letter-spacing:0.08em;
  display:flex; align-items:center; gap:10px; margin-bottom:22px;
}
.eyebrow::before{content:""; width:26px; height:1px; background:var(--rouge);}
h1{
  font-family:'Fraunces', serif; font-weight:500;
  font-size:clamp(34px, 5vw, 54px); line-height:1.08;
  max-width:760px; letter-spacing:-0.01em;
}
h1 em{font-style:italic; color:var(--navy);}
.lead{margin-top:24px; max-width:520px; font-size:17px; color:var(--ink-soft);}
.cta-row{margin-top:34px; display:flex; gap:14px; flex-wrap:wrap; align-items:center;}
.countdown-tag{
  font-family:'IBM Plex Mono', monospace; font-size:12.5px; color:var(--rouge);
  border:1px solid var(--rouge); padding:6px 12px; white-space:nowrap;
}
.countdown-tag b{font-weight:500;}

.stamp{
  width:118px; height:118px; border:1.5px solid var(--navy); border-radius:50%;
  display:flex; align-items:center; justify-content:center; transform:rotate(-9deg);
  color:var(--navy); font-family:'IBM Plex Mono', monospace; text-align:center;
  font-size:10.5px; letter-spacing:0.03em; line-height:1.3; position:relative; flex-shrink:0;
}
.stamp::before{content:""; position:absolute; inset:6px; border:1px solid var(--navy); border-radius:50%;}

/* ---------- BANDE CONFIANCE ---------- */
.trust{border-bottom:1px solid var(--line);}
.trust-inner{display:grid; grid-template-columns:repeat(4,1fr);}
.trust-item{padding:22px 20px; border-right:1px solid var(--line);}
.trust-item:last-child{border-right:none;}
.trust-item .k{font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--ink-soft); text-transform:uppercase; letter-spacing:0.04em; margin-bottom:6px;}
.trust-item .v{font-family:'Fraunces',serif; font-size:19px; font-weight:500;}

/* ---------- SECTIONS ---------- */
section.block{padding:64px 0; border-bottom:1px solid var(--line);}
.section-head{display:flex; justify-content:space-between; align-items:flex-end; margin-bottom:36px; gap:24px; flex-wrap:wrap;}
.section-head h2{font-family:'Fraunces', serif; font-weight:500; font-size:28px;}
.section-head .ref{font-family:'IBM Plex Mono', monospace; font-size:12.5px; color:var(--ink-soft);}

/* Tableau « dossier » */
table.dossier{width:100%; border-collapse:collapse; font-size:14.5px;}
table.dossier th{
  text-align:left; font-family:'IBM Plex Mono', monospace; font-weight:500; font-size:12px;
  text-transform:uppercase; letter-spacing:0.05em; color:var(--ink-soft);
  border-bottom:1px solid var(--line-strong); padding:0 0 10px;
}
table.dossier td{padding:16px 0; border-bottom:1px solid var(--line); vertical-align:top;}
table.dossier tr:last-child td{border-bottom:1px solid var(--line-strong);}
.date-cell{font-family:'IBM Plex Mono', monospace; white-space:nowrap; padding-right:24px; color:var(--navy);}
.status{font-family:'IBM Plex Mono', monospace; font-size:12px; white-space:nowrap;}
.status.req::before{content:"OBL. "; color:var(--rouge);}

/* Étapes */
.steps{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line-strong); border:1px solid var(--line-strong);}
.step{background:var(--paper); padding:26px 22px;}
.step .num{font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--rouge); margin-bottom:14px;}
.step h3{font-family:'Fraunces',serif; font-weight:500; font-size:18px; margin-bottom:8px;}
.step p{font-size:14px; color:var(--ink-soft);}

/* Cas d'usage (photo duotone) */
.usecase-flex{display:flex; gap:48px; align-items:center;}
.usecase-text{flex:1;}
.usecase-text h2{font-family:'Fraunces',serif; font-weight:500; font-size:28px; margin-bottom:14px;}
.usecase-text p{color:var(--ink-soft); margin-bottom:22px; max-width:420px;}
.usecase-media{flex:1.1;}
.photo-frame{position:relative; border:1px solid var(--line-strong); background:var(--paper); overflow:hidden;}
.photo-frame img{display:block; width:100%; height:auto; filter:grayscale(1) contrast(1.06) brightness(1.02); mix-blend-mode:multiply;}
.photo-frame::after{content:""; position:absolute; inset:0; background:var(--navy); mix-blend-mode:soft-light; pointer-events:none;}
.photo-cap{font-family:'IBM Plex Mono',monospace; font-size:11px; color:var(--ink-soft); margin-top:10px; text-transform:uppercase; letter-spacing:0.04em;}

/* Grille de cartes (fiches / solutions) */
.card-grid{display:grid; grid-template-columns:repeat(3,1fr); border-top:1px solid var(--line-strong); border-left:1px solid var(--line-strong);}
.card-grid.cols-2{grid-template-columns:repeat(2,1fr);}
.card{background:var(--paper); padding:28px 24px; display:flex; flex-direction:column; min-height:210px; text-decoration:none; color:inherit; border-right:1px solid var(--line-strong); border-bottom:1px solid var(--line-strong);}
a.card:hover{background:var(--paper-alt);}
.card .tag{font-family:'IBM Plex Mono', monospace; font-size:11px; color:var(--rouge); text-transform:uppercase; letter-spacing:0.05em; margin-bottom:16px;}
.card h3{font-family:'Fraunces', serif; font-weight:500; font-size:19px; line-height:1.3; margin-bottom:12px;}
.card p{font-size:14px; color:var(--ink-soft); flex-grow:1;}
.card .read{margin-top:18px; font-family:'IBM Plex Mono', monospace; font-size:12.5px; border-top:1px solid var(--line); padding-top:14px;}

/* ---------- FORMULAIRE (générateur = dossier administratif) ---------- */
.field{margin-bottom:22px;}
.field > label{display:block; font-family:'IBM Plex Mono',monospace; font-size:12px; text-transform:uppercase; letter-spacing:0.05em; color:var(--ink-soft); margin-bottom:8px;}
.field label .req{color:var(--rouge);}
.field input, .field textarea{
  width:100%; padding:12px 14px; border:1px solid var(--line-strong); background:var(--paper);
  font-family:'IBM Plex Sans', sans-serif; font-size:15px; color:var(--ink);
}
.field input:focus, .field textarea:focus{outline:none; border-color:var(--navy); box-shadow:inset 0 0 0 1px var(--navy);}
.field textarea{resize:vertical; min-height:80px;}
.field .hint{font-family:'IBM Plex Mono',monospace; font-size:11px; color:var(--ink-soft); margin-top:6px;}
.field-row{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
.form-panel{border:1px solid var(--line-strong); background:var(--paper); padding:32px;}
.panel-label{font-family:'IBM Plex Mono',monospace; font-size:11px; text-transform:uppercase; letter-spacing:0.06em; color:var(--ink-soft); border-bottom:1px solid var(--line); padding-bottom:12px; margin-bottom:24px; display:flex; justify-content:space-between;}
.notice{border-left:2px solid var(--navy); background:var(--paper-alt); padding:12px 16px; font-size:13.5px; color:var(--ink-soft); margin-bottom:22px;}
.notice.warn{border-left-color:var(--rouge);}
.status-line{font-family:'IBM Plex Mono',monospace; font-size:12px; min-height:1.2em; margin-top:8px; display:block;}

/* ---------- PROSE (articles / pages de contenu) ---------- */
.prose{max-width:720px; margin:0 auto;}
.prose h1{font-family:'Fraunces',serif; font-weight:500; font-size:clamp(28px,4vw,40px); line-height:1.15; margin-bottom:20px;}
.prose h2{font-family:'Fraunces',serif; font-weight:500; font-size:24px; margin:40px 0 14px;}
.prose h3{font-family:'Fraunces',serif; font-weight:500; font-size:19px; margin:28px 0 10px;}
.prose p{margin-bottom:18px; color:var(--ink);}
.prose ul, .prose ol{margin:0 0 18px 22px; color:var(--ink);}
.prose li{margin-bottom:8px;}
.prose a{color:var(--navy); text-underline-offset:2px;}
.prose strong{font-weight:600;}
.meta-line{font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--ink-soft); text-transform:uppercase; letter-spacing:0.04em; margin-bottom:24px;}

/* ---------- CTA final ---------- */
.cta-final{background:var(--ink); color:var(--paper); text-align:center; padding:72px 0;}
.cta-final h2{font-family:'Fraunces',serif; font-weight:500; font-size:clamp(26px,4vw,38px); margin-bottom:16px; max-width:640px; margin-left:auto; margin-right:auto;}
.cta-final p{color:#c9c4b8; margin-bottom:30px;}
.cta-final .btn-primary{background:var(--paper); color:var(--ink); border-color:var(--paper);}
.cta-final .btn-primary:hover{background:var(--paper-alt);}

/* ---------- FOOTER ---------- */
.site-footer{border-top:1px solid var(--line-strong); padding:30px 0; font-family:'IBM Plex Mono', monospace; font-size:12px; color:var(--ink-soft);}
.site-footer .wrap{display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;}
.site-footer a{text-decoration:none;}
.site-footer a:hover{color:var(--ink);}
.site-footer .footer-note{display:block; text-align:center; font-size:11px; opacity:.75; margin-bottom:16px; padding-bottom:14px; border-bottom:1px solid var(--line); line-height:1.5;}

/* ---------- ARTICLES (composants) ---------- */
.article{max-width:760px; margin:0 auto;}
.article .eyebrow{margin-bottom:14px;}
.article h1{font-family:'Fraunces',serif; font-weight:500; font-size:clamp(30px,4.5vw,44px); line-height:1.12; margin:0 0 14px;}
.article-meta{font-family:'IBM Plex Mono',monospace; font-size:12px; text-transform:uppercase; letter-spacing:0.04em; color:var(--ink-soft); margin-bottom:32px; padding-bottom:18px; border-bottom:1px solid var(--line-strong);}
.article h2{font-family:'Fraunces',serif; font-weight:500; font-size:26px; margin:40px 0 14px;}
.article h3{font-family:'Fraunces',serif; font-weight:500; font-size:19px; margin:28px 0 10px;}
.article p{margin-bottom:18px; color:var(--ink); line-height:1.75;}
.article ul, .article ol{margin:0 0 18px 22px; color:var(--ink);}
.article li{margin-bottom:8px; line-height:1.7;}
.article a{color:var(--navy);}
.article strong{font-weight:600; color:var(--ink);}

.highlight-box{border-left:3px solid var(--navy); background:var(--paper-alt); padding:18px 22px; margin:28px 0;}
.highlight-box h3{margin-top:0; color:var(--ink); font-family:'Fraunces',serif; font-weight:500; font-size:18px;}
.highlight-box p{color:var(--ink); margin-bottom:0;}
.warning-box{border-left:3px solid var(--rouge); background:var(--paper-alt); padding:18px 22px; margin:28px 0;}
.warning-box h3{margin-top:0; color:var(--ink); font-family:'Fraunces',serif; font-weight:500; font-size:18px;}
.warning-box p{color:var(--ink); margin-bottom:0;}
.danger-box{border-left:3px solid var(--rouge); background:var(--paper-alt); padding:18px 22px; margin:28px 0;}
.danger-box h3{margin-top:0; color:var(--rouge); font-family:'Fraunces',serif; font-weight:500; font-size:18px;}
.danger-box p{color:var(--ink); margin-bottom:0;}
.danger-box ul{margin-bottom:0;}

.cta-box{background:var(--ink); color:var(--paper); padding:34px; margin:36px 0; text-align:center;}
.cta-box h3{color:var(--paper); margin:0 0 8px; font-family:'Fraunces',serif; font-weight:500; font-size:22px;}
.cta-box p{color:#c9c4b8; margin-bottom:18px;}
.cta-button{display:inline-block; background:var(--paper); color:var(--ink); border:1px solid var(--paper); padding:12px 22px; font-family:'IBM Plex Mono',monospace; font-size:13.5px; text-decoration:none;}
.cta-button:hover{background:var(--paper-alt);}

.timeline{margin:28px 0; padding-left:24px; border-left:1px solid var(--navy);}
.timeline-item{position:relative; margin-bottom:22px;}
.timeline-item::before{content:""; position:absolute; left:-28.5px; top:5px; width:9px; height:9px; background:var(--navy); border-radius:50%;}
.timeline-date{font-family:'IBM Plex Mono',monospace; font-size:13px; color:var(--navy); text-transform:uppercase; letter-spacing:0.03em; margin-bottom:4px; font-weight:500;}

.checklist{border-left:3px solid var(--navy); background:var(--paper-alt); padding:18px 22px; margin:28px 0;}
.checklist h3{margin-top:0; font-family:'Fraunces',serif; font-weight:500; font-size:18px;}
.checklist ul{list-style:none; margin-left:0;}
.checklist li{position:relative; padding-left:26px; margin-bottom:8px;}
.checklist li::before{content:"✓"; position:absolute; left:0; color:var(--navy); font-weight:700;}

.article table, .comparison-table{width:100%; border-collapse:collapse; font-size:14px; margin:22px 0;}
.article th, .article td{text-align:left; padding:10px 12px; border:1px solid var(--line); vertical-align:top;}
.article thead th{background:var(--paper-alt); font-family:'IBM Plex Mono',monospace; font-size:11px; text-transform:uppercase; letter-spacing:0.03em; color:var(--ink-soft);}

.comparison-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line-strong); border:1px solid var(--line-strong); margin:24px 0;}
.comparison-card{background:var(--paper); padding:22px;}
.comparison-card.winner{background:var(--paper-alt);}
.comparison-card h4{font-family:'Fraunces',serif; font-weight:500; font-size:17px; margin-bottom:10px;}

.success-box{border:1px solid var(--line-strong); background:var(--paper); padding:18px 22px; margin:28px 0;}
.success-box h3{margin-top:0; font-family:'Fraunces',serif; font-weight:500; font-size:18px;}
.success-box p{margin-bottom:0;}
.cost-badge{display:inline-block; border:1px solid var(--rouge); color:var(--rouge); background:var(--paper); font-family:'IBM Plex Mono',monospace; font-size:13px; font-weight:500; padding:8px 14px; margin:16px 0;}

/* Encadré source officielle */
.source-box{border-left:3px solid var(--navy); background:var(--paper-alt); padding:16px 20px; margin:28px 0; font-size:14px;}
.source-box .src-label{font-family:'IBM Plex Mono',monospace; font-size:11px; text-transform:uppercase; letter-spacing:0.06em; color:var(--navy); display:block; margin-bottom:6px;}
.source-box p{margin:0; color:var(--ink-soft);}
.source-box a{color:var(--navy);}

/* Bloc "3 cas" */
.cas{border:1px solid var(--line); padding:18px 20px; margin:16px 0;}
.cas .cas-num{font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--rouge); text-transform:uppercase; letter-spacing:0.04em; margin-bottom:6px;}
.cas h3{margin:0 0 8px; font-family:'Fraunces',serif; font-weight:500; font-size:18px;}
.cas p{margin-bottom:0;}
.updated-note{font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--navy); margin-top:8px;}

/* ---------- MOBILE ---------- */
@media (max-width:820px){
  .hero-flex{flex-direction:column; align-items:flex-start; gap:32px;}
  .stamp{align-self:flex-end;}
  .trust-inner{grid-template-columns:1fr 1fr;}
  .trust-item:nth-child(2){border-right:none;}
  .trust-item{border-bottom:1px solid var(--line);}
  .steps, .card-grid, .card-grid.cols-2, .comparison-grid{grid-template-columns:1fr;}
  .usecase-flex{flex-direction:column;}
  .field-row{grid-template-columns:1fr;}
  .form-panel{padding:22px;}
  .burger{display:block;}
  nav.main{
    display:none; position:absolute; top:100%; left:0; right:0;
    flex-direction:column; gap:0; background:var(--paper);
    border-bottom:1px solid var(--line-strong); z-index:60;
  }
  nav.main.open{display:flex;}
  nav.main a{padding:14px 32px; border-top:1px solid var(--line);}
  .header-cta-desktop{display:none;}
  table.dossier, table.dossier tbody, table.dossier tr, table.dossier td{display:block; width:100%;}
  table.dossier thead{display:none;}
  table.dossier tr{border-bottom:1px solid var(--line-strong); padding:14px 0;}
  table.dossier td{border:none; padding:3px 0;}
  .date-cell{font-size:16px;}
}