:root{
  --ink:#123432;--ink2:#1d4a46;--sage:#4e6b48;--sage2:#a9c6a0;
  --cream:#f8f4ec;--sand:#eee5d7;--gold:#c08a3e;--clay:#95452f;--clay2:#75331f;
  --text:#152e2c;--muted:#4f6360;--line:#d8dfdc;--r:20px;
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--text);font-family:var(--sans);font-size:19px;line-height:1.72;-webkit-font-smoothing:antialiased}
a{color:var(--clay)}
img{max-width:100%;height:auto}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.wrap{width:min(calc(100% - 36px),1180px);margin:auto}
.lisible{width:min(calc(100% - 36px),720px);margin:auto}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:999;background:#fff;padding:10px 14px;border-radius:10px}

/* --- en-tete --- */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{height:84px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.brand{width:250px;display:block;color:var(--ink);line-height:0;text-decoration:none;flex:none}
.brand svg{width:100%;height:auto}
.navlinks{display:flex;align-items:center;gap:20px}
.navlinks a{text-decoration:none;color:var(--ink);font-size:.95rem;font-weight:600}
.navlinks a:hover{color:var(--clay)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;border-radius:999px;padding:0 24px;text-decoration:none;font-weight:700;border:2px solid transparent;transition:.18s}
.btn-primary{background:var(--clay);color:#fff}
.btn-primary:hover{background:var(--clay2)}
.btn-sm{min-height:46px;padding:0 19px;font-size:.95rem}
.btn-outline{border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}

/* --- fil d'ariane + chapeau --- */
.fil{font-size:.88rem;color:var(--muted);padding:22px 0 0}
.fil a{color:var(--muted)}
.hero-art{background:linear-gradient(120deg,#fbf8f1,#f2eee5 55%,#e6eee3);padding:14px 0 54px;border-bottom:1px solid var(--line)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;text-transform:uppercase;letter-spacing:.1em;font-size:.78rem;font-weight:800;color:var(--sage)}
.eyebrow:before{content:"";width:30px;height:2px;background:currentColor}
h1{font-family:var(--serif);font-weight:700;font-size:clamp(2.05rem,4.4vw,3.35rem);line-height:1.08;letter-spacing:-.024em;margin:.28em 0 .3em;max-width:20ch}
.chapo{font-size:1.16rem;color:#3a534f;max-width:62ch;margin:0}
.meta{font-size:.87rem;color:var(--muted);margin-top:18px}

/* --- corps --- */
article{padding:46px 0 20px}
h2{font-family:var(--serif);font-weight:700;font-size:clamp(1.5rem,2.8vw,2.05rem);line-height:1.16;letter-spacing:-.018em;margin:2.1em 0 .5em;scroll-margin-top:100px}
h3{font-family:var(--serif);font-weight:700;font-size:1.24rem;line-height:1.3;margin:1.7em 0 .4em}
p{margin:0 0 1.15em}
ul,ol{padding-left:1.3em;margin:0 0 1.3em}
li{margin:.5em 0}
strong{font-weight:700}

/* --- sommaire --- */
.sommaire{background:var(--cream);border:1px solid var(--line);border-radius:var(--r);padding:24px 28px;margin:0 0 38px}
.sommaire h2{font-size:1.05rem;margin:0 0 .6em;font-family:var(--sans);text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}
.sommaire ol{margin:0;padding-left:1.15em}
.sommaire li{margin:.4em 0}
.sommaire a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line)}
.sommaire a:hover{color:var(--clay);border-color:currentColor}

/* --- encadres --- */
.encadre{border:1px solid var(--line);border-radius:var(--r);padding:24px 26px;margin:1.8em 0;background:#fff}
.encadre p:last-child{margin-bottom:0}
.encadre.cle{background:var(--cream)}
.encadre.alerte{background:#fbf1ec;border-color:#e4c2b4}
.encadre.vert{background:#eef4ec;border-color:#c3d8bd}
.encadre h3{margin-top:0}
.encadre .titre{display:block;font-weight:800;font-size:.79rem;text-transform:uppercase;letter-spacing:.08em;color:var(--sage);margin-bottom:.5em}
.encadre.alerte .titre{color:var(--clay)}

/* --- tableaux --- */
.tableau{overflow-x:auto;margin:1.6em 0}
table{width:100%;border-collapse:collapse;font-size:.97rem;min-width:460px}
th,td{text-align:left;padding:13px 12px;border-bottom:1px solid var(--line);vertical-align:top}
thead th{font-size:.76rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);border-bottom:2px solid var(--line)}
tbody tr:hover{background:#fafbfa}
td.num{font-weight:700;white-space:nowrap}

/* --- citations chiffrees --- */
.chiffre{font-family:var(--serif);font-weight:700;font-size:clamp(2.4rem,5vw,3.4rem);line-height:1;color:var(--clay);letter-spacing:-.03em;display:block;margin-bottom:.12em}

/* --- FAQ --- */
details{border-top:1px solid var(--line);padding:4px 0}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:14px;padding:16px 0;font-size:1.04rem}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";font-size:1.5rem;line-height:1;color:var(--clay);flex:none}
details[open] summary:after{content:"–"}
details p{color:var(--muted);font-size:1rem;padding-bottom:14px;margin:0}

/* --- appel a l'action --- */
.cta{background:var(--ink);color:#fff;border-radius:26px;padding:38px 34px;margin:46px 0 10px}
.cta h2{margin-top:0;color:#fff;font-size:1.75rem}
.cta p{color:#dbe5e3}
.cta .btn-primary{margin-top:8px}

/* --- pages liees --- */
.liees{background:var(--cream);border-top:1px solid var(--line);padding:52px 0 62px;margin-top:52px}
.liees h2{margin-top:0}
.grille{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.carte{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;text-decoration:none;color:var(--text);display:block;transition:.18s}
.carte:hover{border-color:var(--sage);transform:translateY(-2px)}
.carte strong{font-family:var(--serif);font-size:1.1rem;display:block;margin-bottom:.35em;line-height:1.25}
.carte span{font-size:.94rem;color:var(--muted)}

/* --- source / maj --- */
.sources{font-size:.9rem;color:var(--muted);border-top:1px solid var(--line);padding-top:20px;margin-top:44px}
.sources a{color:var(--muted)}

/* --- pied --- */
.footer{background:#0d2725;color:#dae4e1;padding:48px 0 40px;font-size:.95rem}
.footer a{color:#dae4e1}
.footer-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr;gap:38px}
.footer h3{color:#fff;font-size:1.05rem;font-family:var(--serif);margin:0 0 .5em}
.footer p{line-height:1.9;font-size:.92rem}
.foot-bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:20px;margin-top:32px;font-size:.84rem;color:#a9b8b4;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}

@media(max-width:960px){
  .navlinks{display:none}
  .brand{width:210px}
  .grille{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  body{font-size:18px}
  .nav{height:72px}
  .brand{width:186px}
  .grille,.footer-grid{grid-template-columns:1fr}
  .cta{padding:28px 22px}
  .sommaire{padding:20px 22px}
  .encadre{padding:20px 20px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}