:root{
  --navy: #10233F; --navy-deep: #0A1830; --paper: #F7F4EE; --white: #FFFFFF;
  --gold: #A9834C; --gold-soft: #C9A876; --ink: #1B2430; --ink-soft: #5B6472;
  --line: rgba(16,35,63,0.12);
  /* echelle d'espacement commune */
  --sp-xs: 8px; --sp-sm: 16px; --sp-md: 28px; --sp-lg: 48px; --sp-xl: 80px; --sp-2xl: 112px;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'Inter', sans-serif; color:var(--ink); background:var(--paper); line-height:1.65; -webkit-font-smoothing:antialiased; overflow-x:hidden;}
h1,h2,h3{font-family:'Fraunces', serif; font-weight:500; line-height:1.15; color:var(--navy-deep);}
a{color:inherit; text-decoration:none;}
img{max-width:100%;}
.wrap{max-width:1180px; margin:0 auto; padding:0 32px;}
.wrap-read{max-width:808px; margin:0 auto; padding:0 32px;}
:focus-visible{outline:2px solid var(--gold); outline-offset:3px;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1 !important; transform:none !important; animation:none !important;}
}
.reveal{opacity:0; transform:translateY(14px); animation:reveal .6s ease forwards;}
.reveal.d1{animation-delay:.08s;} .reveal.d2{animation-delay:.16s;}
@keyframes reveal{ to{opacity:1; transform:translateY(0);} }

/* ---- header ---- */
header.site{padding:18px 0; border-bottom:1px solid var(--line); background:var(--paper); position:relative; z-index:5;}
header.site .wrap{display:flex; align-items:center; justify-content:space-between; gap:20px;}
header.site nav{display:flex; align-items:center; gap:26px; font-size:0.9rem; color:var(--ink-soft);}
header.site nav a{position:relative;}
header.site nav a::after{content:""; position:absolute; left:0; bottom:-4px; width:0; height:1px; background:var(--gold); transition:width .25s ease;}
header.site nav a:hover::after{width:100%;}
header.site nav a:hover{color:var(--navy-deep);}

/* ---- dropdown Ressources ---- */
.nav-dropdown{position:relative;}
.nav-dropdown-toggle{background:none; border:none; font:inherit; color:inherit; cursor:pointer; display:flex; align-items:center; gap:4px; padding:0;}
.nav-dropdown-toggle:hover{color:var(--navy-deep);}
.nav-dropdown-menu{
  position:absolute; top:100%; left:0; margin-top:16px;
  background:var(--white); border:1px solid var(--line); min-width:270px;
  padding:8px 0; box-shadow:0 14px 32px rgba(16,35,63,0.10);
  opacity:0; visibility:hidden; transform:translateY(4px);
  transition:opacity .15s ease, transform .15s ease; z-index:20;
}
.nav-dropdown:hover .nav-dropdown-menu, .nav-dropdown:focus-within .nav-dropdown-menu{opacity:1; visibility:visible; transform:translateY(0);}
.nav-dropdown-menu a{display:block; padding:9px 18px; color:var(--ink); font-size:0.87rem;}
.nav-dropdown-menu a::after{display:none;}
.nav-dropdown-menu a:hover{background:var(--paper); color:var(--navy-deep);}

/* ---- menu mobile (CSS pur, sans JS) ---- */
.nav-toggle-checkbox{display:none;}
.nav-toggle-btn{display:none; cursor:pointer; font-size:1.5rem; line-height:1; color:var(--navy-deep); padding:4px;}
.cta-short{display:none;}

@media (max-width:1050px){
  header.site .brand img{height:36px !important;}
  header.site .wrap{gap:8px;}
  .nav-toggle-btn{display:block;}
  header.site nav{
    position:fixed; top:0; right:-100%; width:80%; max-width:320px; height:100vh;
    background:var(--white); flex-direction:column; align-items:flex-start; gap:0;
    padding:90px 28px 28px; box-shadow:-12px 0 32px rgba(0,0,0,0.14);
    transition:right .3s ease; z-index:30; overflow-y:auto;
  }
  .nav-toggle-checkbox:checked ~ .wrap nav{right:0;}
  header.site nav a, .nav-dropdown-toggle{padding:13px 0; width:100%; border-bottom:1px solid var(--line); font-size:1rem;}
  .nav-dropdown{width:100%;}
  .nav-dropdown-menu{
    position:static; opacity:1; visibility:visible; transform:none;
    box-shadow:none; border:none; margin-top:0; padding:0 0 0 14px;
  }
  .nav-dropdown-menu a{padding:11px 0; border-bottom:none; font-size:0.92rem; color:var(--ink-soft);}
}
@media (max-width:480px){
  header.site .brand img{height:32px !important;}
  header.site .cta-full{display:none;}
  header.site .cta-short{display:inline;}
  header.site .btn-cta{padding:10px 16px; font-size:0.8rem; white-space:nowrap;}
}

/* ---- boutons ---- */
.btn-cta{display:inline-block; background:var(--navy-deep); color:var(--white) !important; padding:13px 26px; border-radius:2px; font-size:0.87rem; font-weight:500; letter-spacing:0.02em; transition:background .2s ease, transform .2s ease;}
.btn-cta:hover{background:var(--navy); transform:translateY(-1px);}
.btn-cta.ghost{background:transparent; color:var(--navy-deep) !important; border:1px solid var(--navy-deep);}
.btn-cta.ghost:hover{background:var(--navy-deep); color:var(--white) !important;}
.btn-cta.on-navy.ghost{border-color:rgba(255,255,255,0.5); color:var(--white) !important;}
.btn-cta.on-navy.ghost:hover{background:rgba(255,255,255,0.1);}

/* ---- kicker ---- */
.kicker{font-size:0.76rem; letter-spacing:0.13em; text-transform:uppercase; color:var(--gold); display:inline-block; margin-bottom:14px;}
.kicker.on-navy{color:var(--gold-soft);}
.marker-rule{display:block; width:36px; height:1.5px; background:var(--gold); margin-bottom:18px;}

/* ---- breadcrumb ---- */
.breadcrumb{font-size:0.8rem; color:var(--ink-soft); padding-top:20px;}
.breadcrumb a{color:var(--ink-soft); border-bottom:1px solid var(--line);}
.breadcrumb a:hover{color:var(--navy-deep);}
.breadcrumb.on-navy{color:rgba(255,255,255,0.5);}
.breadcrumb.on-navy a{color:rgba(255,255,255,0.6); border-color:rgba(255,255,255,0.2);}
.breadcrumb-bar{background:var(--navy-deep);}

/* ---- hero intérieur : variante sombre (pages commerciales / méthode) ---- */
.hero-int-dark{background:var(--navy-deep); color:var(--white); padding:64px 0 60px;}
.hero-int-dark .btn-cta{background:var(--gold-soft); color:var(--navy-deep) !important;}
.hero-int-dark .btn-cta:hover{background:var(--gold);}
.hero-int-dark .wrap{display:grid; grid-template-columns:36px 1fr; gap:28px; align-items:start;}
.hero-int-dark .marker-rule{background:var(--gold);}
.hero-int-dark h1{color:var(--white); font-size:clamp(1.9rem, 3.6vw, 2.7rem); max-width:680px; margin-bottom:16px; line-height:1.14;}
.hero-int-dark .dek{color:rgba(255,255,255,0.75); font-size:1.02rem; max-width:560px; margin-bottom:26px;}
.hero-int-dark .cta-row{display:flex; gap:14px; flex-wrap:wrap;}
@media (max-width:700px){
  .hero-int-dark{padding:44px 0 40px;}
  .hero-int-dark .wrap{grid-template-columns:1fr;}
  .hero-int-dark .marker-rule{margin-bottom:14px;}
}

/* ---- hero intérieur : variante claire (pages pédagogiques / SEO / à propos) ---- */
.hero-int-light{background:var(--white); border-bottom:1px solid var(--line); padding:52px 0 48px;}
.hero-int-light h1{font-size:clamp(1.8rem, 3.2vw, 2.5rem); max-width:720px; margin-bottom:14px;}
.hero-int-light .dek{color:var(--ink-soft); font-size:1.02rem; max-width:620px;}
@media (max-width:700px){ .hero-int-light{padding:36px 0 32px;} }

/* ---- hero minimal (légal / 404) ---- */
.hero-int-min{padding:44px 0 8px;}
.hero-int-min h1{font-size:1.7rem;}

/* ---- article / contenu long ---- */
article.body-copy{padding:50px 0 35px;}
article.body-copy .wrap-read h2{font-size:1.3rem; margin:40px 0 14px;}
article.body-copy .wrap-read h2:first-child{margin-top:0;}
article.body-copy .wrap-read h3{font-size:1.05rem; margin:24px 0 10px; color:var(--navy-deep);}
article.body-copy .wrap-read p{margin-bottom:14px;}
article.body-copy .wrap-read ul, article.body-copy .wrap-read ol{margin:0 0 16px 22px;}
article.body-copy .wrap-read li{margin-bottom:8px;}

/* ---- encadré sobre (remplace les cartes) ---- */
.callout{background:var(--white); border-left:3px solid var(--gold); padding:20px 24px; margin:22px 0 28px;}
.callout p{margin-bottom:0 !important; font-size:0.98rem;}
.callout.on-paper{background:var(--paper);}

/* ---- tableaux sobres ---- */
table.data{border-collapse:collapse; width:100%; margin:18px 0 26px; font-size:0.92rem;}
.wrap-table{max-width:960px; margin:0 auto; padding:0 32px;}
table.data th{text-align:left; font-weight:600; color:var(--navy-deep); padding:9px 14px; border-bottom:1.5px solid var(--navy-deep);}
table.data td{padding:9px 14px; border-bottom:1px solid var(--line);}
table.data tr:last-child td{border-bottom:none;}
@media (max-width:640px){
  table.data, table.data tbody, table.data tr, table.data td{display:block; white-space:normal;}
  table.data tr:first-child{display:none;}
  table.data th{display:none;}
  table.data{border:1px solid var(--line); margin:18px 0 24px;}
  table.data tr{padding:16px; border-bottom:1px solid var(--line);}
  table.data tr:last-child{border-bottom:none;}
  table.data td{padding:0 0 10px; border-bottom:none;}
  table.data td:last-child{padding-bottom:0;}
  table.data td::before{
    content:attr(data-label);
    display:block;
    font-size:0.72rem;
    letter-spacing:0.06em;
    text-transform:uppercase;
    color:var(--gold);
    margin-bottom:3px;
  }
  table.data td:first-child{font-weight:600; color:var(--navy-deep); font-size:0.96rem;}
}

/* ---- colonnes éditoriales (remplace les cartes de comparaison) ---- */
.editorial-cols{display:grid; grid-template-columns:1fr 1fr; gap:0; margin:26px 0;}
.editorial-cols .col{padding:22px 28px;}
.editorial-cols .col:first-child{border-right:1px solid var(--line);}
.editorial-cols .col h3{font-size:0.98rem; margin-bottom:10px;}
.editorial-cols .col p{font-size:0.92rem; color:var(--ink-soft); margin-bottom:0;}
@media (max-width:700px){
  .editorial-cols{grid-template-columns:1fr;}
  .editorial-cols .col:first-child{border-right:none; border-bottom:1px solid var(--line);}
}

/* ---- ligne temporelle sobre (délais) ---- */
.timeline{display:flex; flex-direction:column; gap:0; margin:30px 0; border-left:1px solid var(--line); padding-left:0;}
.tl-item{position:relative; padding:0 0 30px 28px; border-left:1px solid var(--line); margin-left:-1px;}
.tl-item:last-child{padding-bottom:0; border-left:none;}
.tl-item::before{content:""; position:absolute; left:-5px; top:2px; width:9px; height:9px; border-radius:50%; background:var(--paper); border:2px solid var(--gold);}
.tl-item .y{font-family:'Fraunces', serif; color:var(--navy-deep); font-size:1.05rem; margin-bottom:4px;}
.tl-item .d{font-size:0.92rem; color:var(--ink-soft); max-width:520px;}

/* ---- progression 01/02/03 (réutilisée méthode/audit TF) ---- */
.steps{display:flex; flex-direction:column;}
.step-row{display:grid; grid-template-columns:70px 1fr; gap:22px; align-items:start; padding:28px 0; border-bottom:1px solid var(--line);}
.step-row:last-child{border-bottom:none;}
.step-row .bignum{font-family:'Fraunces', serif; font-size:2.4rem; color:var(--gold-soft); line-height:0.9;}
.step-row h3{font-size:1.05rem; margin-bottom:6px;}
.step-row p{color:var(--ink-soft); font-size:0.94rem; max-width:560px; margin-bottom:0;}
@media (max-width:600px){
  .step-row{grid-template-columns:44px 1fr; gap:14px; padding:20px 0;}
  .step-row .bignum{font-size:1.6rem;}
}

/* ---- sommaire discret (pages SEO longues) ---- */
.mini-toc{background:var(--paper); border:1px solid var(--line); padding:18px 22px; margin:0 0 32px; font-size:0.88rem;}
.mini-toc .lbl{display:block; font-size:0.72rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--gold); margin-bottom:8px;}
.mini-toc ul{margin:0; padding-left:18px;}
.mini-toc li{margin-bottom:4px;}
.mini-toc a{color:var(--ink); border-bottom:1px solid transparent;}
.mini-toc a:hover{border-color:var(--ink);}

/* ---- related / à lire aussi ---- */
.related{background:var(--paper); border-top:1px solid var(--line); padding:44px 0;}
.related h2{font-size:1.05rem; margin-bottom:16px;}
.related-grid{display:grid; grid-template-columns:repeat(auto-fit, minmax(220px,1fr)); gap:14px;}
.related-grid a{display:block; background:var(--white); border:1px solid var(--line); padding:15px 18px; font-size:0.9rem; color:var(--navy-deep); transition:border-color .2s;}
.related-grid a:hover{border-color:var(--gold);}

/* ---- rémunération, secondaire (pages intérieures) ---- */
.fee-note{background:var(--navy-deep); color:rgba(255,255,255,0.85); padding:26px 28px; margin:30px 0;}
.fee-note p{margin-bottom:0 !important; font-size:0.95rem;}
.fee-note strong{color:var(--gold-soft);}
.fee-note a{color:var(--gold-soft); text-decoration:underline;}

/* ---- meta row ---- */
.meta-row{display:flex; gap:20px; flex-wrap:wrap; font-size:0.8rem; color:var(--ink-soft); margin-top:30px; padding-top:16px; border-top:1px solid var(--line);}

/* ---- CTA fin de page (système commun) ---- */
.page-cta{background:var(--paper); padding:40px 0 72px; text-align:center; position:relative; overflow:hidden;}
.page-cta::before{content:""; position:absolute; left:50%; top:50%; width:640px; height:640px; border:1px solid var(--line); border-radius:50%; transform:translate(-50%,-50%);}
.page-cta-inner{position:relative; z-index:1;}
.page-cta h2{font-size:clamp(1.5rem, 2.6vw, 2rem); max-width:560px; margin:0 auto 14px;}
.page-cta p{color:var(--ink-soft); max-width:440px; margin:0 auto 26px;}

/* ---- footer ---- */
footer{background:var(--navy-deep); color:rgba(255,255,255,0.6); padding:44px 0 26px; font-size:0.85rem;}
footer .footer-top{display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:32px; padding-bottom:26px; margin-bottom:18px; border-bottom:1px solid rgba(255,255,255,0.12);}
footer .footer-cols{display:flex; gap:52px; flex-wrap:wrap;}
footer .footer-col{display:flex; flex-direction:column; gap:9px; min-width:140px;}
footer .footer-col-title{font-size:0.7rem; letter-spacing:0.1em; text-transform:uppercase; color:rgba(255,255,255,0.4); margin-bottom:2px;}
footer .footer-col a{font-size:0.85rem; color:rgba(255,255,255,0.65);}
footer .footer-col a:hover{color:var(--white);}
footer .footer-bottom{display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:0.78rem; color:rgba(255,255,255,0.45);}
footer .footer-bottom a{color:rgba(255,255,255,0.55);}
footer .footer-bottom a:hover{color:var(--white);}
@media (max-width:640px){
  footer .footer-cols{gap:28px;}
}

/* ---- formulaire pré-audit ---- */
.form-split{display:grid; grid-template-columns:0.85fr 1.15fr; gap:56px; align-items:start;}
.form-info h2{font-size:1.5rem; margin-bottom:16px;}
.form-info p{color:var(--ink-soft); margin-bottom:14px;}
.form-info ul{margin:0 0 20px 18px; color:var(--ink-soft); font-size:0.94rem;}
.form-info li{margin-bottom:8px;}
.form-reassure{font-size:0.82rem; color:var(--ink-soft); border-top:1px solid var(--line); padding-top:16px; margin-top:20px;}
.field{display:flex; flex-direction:column; gap:6px; margin-bottom:20px;}
.field label{font-size:0.85rem; color:var(--ink-soft);}
.field input, .field select{padding:12px 14px; border:1px solid var(--line); background:var(--white); font-family:inherit; font-size:0.95rem;}
.field input:focus, .field select:focus{border-color:var(--gold);}
@media (max-width:900px){ .form-split{grid-template-columns:1fr; gap:36px;} }

/* ---- 404 ---- */
.notfound{padding:120px 0; text-align:center;}
.notfound .num{font-family:'Fraunces', serif; font-size:6rem; color:var(--navy-deep); line-height:1;}
.notfound .num span{color:var(--gold);}
.notfound p{color:var(--ink-soft); margin:16px 0 30px;}

/* ---- repères discrets déjà établis (réemployés avec parcimonie) ---- */
.corner-mark{position:relative;}
.corner-mark::before{content:""; position:absolute; top:0; left:0; width:14px; height:14px; border-top:1.5px solid var(--gold); border-left:1.5px solid var(--gold);}
.corner-mark::after{content:""; position:absolute; bottom:0; right:0; width:14px; height:14px; border-bottom:1.5px solid var(--gold); border-right:1.5px solid var(--gold);}
.survey-mark{display:flex; align-items:center; justify-content:center; height:1px; background:var(--line); position:relative; margin:40px 0;}
.survey-mark span{position:absolute; display:inline-flex; background:var(--white); padding:0 12px; color:var(--gold);}
.survey-mark span svg{display:block; width:16px; height:16px;}
.plot-list{list-style:none; counter-reset:plot; margin-left:0 !important;}
.plot-list li{counter-increment:plot; position:relative; padding-left:32px; margin-bottom:12px;}
.plot-list li::before{content:counter(plot, decimal-leading-zero); position:absolute; left:0; top:0.15em; font-family:'Inter', sans-serif; font-size:0.68rem; font-weight:600; letter-spacing:0.06em; color:var(--gold);}

/* ---- article avec colonne latérale de notions clés ---- */
.article-aside-grid{display:grid; grid-template-columns:1fr 200px; gap:52px; align-items:start;}
.key-notions{position:sticky; top:100px; font-size:0.86rem;}
.key-notions .lbl{display:block; font-size:0.7rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--gold); margin-bottom:12px;}
.key-notions ul{list-style:none; display:flex; flex-direction:column; gap:9px;}
.key-notions li{color:var(--ink-soft); padding-left:12px; border-left:1px solid var(--line);}
@media (max-width:900px){
  .article-aside-grid{grid-template-columns:1fr;}
  .key-notions{position:static; margin-bottom:8px;}
  .key-notions ul{flex-direction:row; flex-wrap:wrap; gap:14px;}
  .key-notions li{border-left:none; padding-left:0;}
}