:root{--encre:#17302A;--doux:#5A6B66;--sapin:#1F4D3F;--teinte:#EEF3F0;--ligne:#DDE5E1;--or:#B08D4A}
*{box-sizing:border-box;margin:0}html{scroll-behavior:smooth}
body{background:#fff;color:var(--encre);font:400 16.5px/1.65 "Instrument Sans",system-ui,sans-serif;overflow-x:hidden}
img{display:block;max-width:100%}a{color:inherit;text-decoration:none}ul{list-style:none;padding:0}
h1,h2,h3{font-family:Newsreader,Georgia,serif;font-weight:500;line-height:1.15;letter-spacing:-.012em}
h1{font-size:clamp(38px,5vw,60px)}h2{font-size:clamp(30px,3.6vw,44px)}h3{font-size:23px}
.w{max-width:1200px;margin:0 auto;padding:0 32px}
.sur{font-size:13px;font-weight:600;color:var(--sapin);display:inline-flex;align-items:center;gap:10px}.sur:before{content:"";width:26px;height:1px;background:var(--or)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:6px;background:var(--sapin);color:#fff;font:600 15px "Instrument Sans",sans-serif;border:0;cursor:pointer;transition:background .2s,transform .2s}
.btn:hover{background:#163A2F;transform:translateY(-1px)}.btn.clair{background:#fff;color:var(--sapin);box-shadow:inset 0 0 0 1px var(--sapin)}.btn.clair:hover{background:var(--teinte)}
/* barre utilitaire + en-tête + méga menu */
.util{background:var(--teinte);font-size:13.5px;color:var(--doux)}.util .w{height:38px;display:flex;align-items:center;justify-content:space-between;gap:16px}.util div{display:flex;gap:22px}
header{position:sticky;top:0;z-index:30;background:#fff;box-shadow:0 1px 0 var(--ligne)}
header>.w{height:76px;display:flex;align-items:center;gap:36px}
.logo{font:500 25px Newsreader,serif;display:flex;align-items:center;gap:10px;white-space:nowrap}.logo i{display:block;width:30px;height:30px;border:1.5px solid var(--sapin);border-radius:15px 15px 0 0;position:relative}.logo i:after{content:"";position:absolute;left:8px;right:8px;bottom:-1.5px;top:9px;border:1.5px solid var(--sapin);border-bottom:0;border-radius:8px 8px 0 0}
nav.pr{display:flex;gap:4px;flex:1;font-weight:500;font-size:15.5px}
nav.pr>a,.deroul{padding:10px 13px;border-radius:6px;background:none;border:0;font:inherit;color:inherit;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:background .15s}
nav.pr>a:hover,.deroul:hover,.deroul[aria-expanded=true],nav.pr>a.on{background:var(--teinte)}
.deroul svg{transition:transform .2s}.deroul[aria-expanded=true] svg{transform:rotate(180deg)}
.mega{position:absolute;left:0;right:0;top:100%;background:#fff;box-shadow:0 1px 0 var(--ligne),0 24px 40px rgba(23,48,42,.1);opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .2s,transform .2s,visibility .2s}
.mega.ouvert{opacity:1;visibility:visible;transform:none}
.mega .w{display:grid;grid-template-columns:1fr 1fr 1fr 300px;gap:36px;padding-top:34px;padding-bottom:38px}
.mega h4{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--doux);font-weight:600;margin-bottom:12px}
.mega li a{display:block;padding:9px 10px;margin:0 -10px;border-radius:6px;transition:background .15s}.mega li a:hover{background:var(--teinte)}
.mega li b{display:block;font-weight:600;font-size:15px}.mega li span{font-size:13.5px;color:var(--doux);line-height:1.4;display:block}
.pousse{background:var(--teinte);border-radius:10px;overflow:hidden;display:flex;flex-direction:column}.pousse img{height:124px;width:100%;object-fit:cover}.pousse div{padding:16px 18px 18px}.pousse b{font:500 19px Newsreader,serif;display:block;margin-bottom:4px}.pousse span{font-size:14px;color:var(--sapin);font-weight:600}
.burger{display:none;margin-left:auto;background:none;border:0;padding:8px;cursor:pointer}
header .btn{height:42px;padding:0 18px;font-size:14.5px}
section{padding:96px 0}.teinte{background:var(--teinte)}
/* héros divisé */
.heros .w{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center;padding-top:72px;padding-bottom:88px}
.heros p{color:var(--doux);font-size:19px;margin:20px 0 28px;max-width:30em}.act{display:flex;gap:12px;flex-wrap:wrap}
.visuel{position:relative}.visuel img{border-radius:14px;aspect-ratio:5/4;object-fit:cover;width:100%}
.flot{position:absolute;left:-28px;bottom:28px;background:#fff;border-radius:10px;padding:16px 20px;box-shadow:0 14px 32px rgba(23,48,42,.14);display:flex;gap:12px;align-items:center;font-size:14px;animation:flotte 5s ease-in-out infinite}.flot b{font:500 30px Newsreader,serif;color:var(--sapin)}
@keyframes flotte{50%{transform:translateY(-8px)}}
/* chiffres */
.chiffres{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid var(--ligne)}.chiffres div{padding:30px 24px;border-left:1px solid var(--ligne)}.chiffres div:first-child{border-left:0;padding-left:0}
.chiffres b{display:block;font:500 42px Newsreader,serif;color:var(--sapin);line-height:1.1}.chiffres span{font-size:14.5px;color:var(--doux)}
/* onglets */
.tete{max-width:680px;margin-bottom:44px}.tete p{color:var(--doux);margin-top:12px}
.onglets{display:grid;grid-template-columns:300px 1fr;gap:40px;align-items:start}
.liste button{display:block;width:100%;text-align:left;background:none;border:0;border-left:2px solid var(--ligne);padding:15px 20px;font:500 17px "Instrument Sans",sans-serif;color:var(--doux);cursor:pointer;transition:all .2s}
.liste button[aria-selected=true]{border-color:var(--sapin);color:var(--encre);background:var(--teinte)}
.panneau{display:none;grid-template-columns:1fr 1fr;gap:32px;align-items:center;animation:ent .4s both}.panneau.on{display:grid}@keyframes ent{from{opacity:0;transform:translateX(14px)}}
.panneau img{border-radius:12px;aspect-ratio:4/3;object-fit:cover}.panneau p{color:var(--doux);margin:10px 0 14px}.coche li{padding-left:24px;position:relative;margin-bottom:6px;font-size:15px}.coche li:before{content:"✓";position:absolute;left:0;color:var(--sapin);font-weight:700}
/* étapes / accordéon */
.cartes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.cartes article{background:#fff;border:1px solid var(--ligne);border-radius:12px;padding:28px;transition:box-shadow .25s,transform .25s}.cartes article:hover{box-shadow:0 16px 32px rgba(23,48,42,.09);transform:translateY(-3px)}.cartes p{color:var(--doux);font-size:15px;margin-top:8px}.cartes a.lien{display:inline-block;margin-top:12px;color:var(--sapin);font-weight:600;font-size:15px}
details{border-bottom:1px solid var(--ligne);padding:20px 0}summary{cursor:pointer;font:500 21px Newsreader,serif;list-style:none;display:flex;justify-content:space-between;gap:16px}summary::-webkit-details-marker{display:none}summary:after{content:"+";font:400 24px "Instrument Sans";color:var(--sapin);transition:transform .2s}details[open] summary:after{transform:rotate(45deg)}details p{color:var(--doux);margin-top:10px}
.appel{background:var(--teinte);border-radius:16px;padding:48px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
/* pages intérieures */
.intro{background:var(--teinte);padding:64px 0 56px}.intro p{color:var(--doux);max-width:38em;font-size:18px;margin-top:12px}.ariane{font-size:13.5px;color:var(--doux);margin-bottom:18px}
.bloc{display:grid;grid-template-columns:1fr 1.5fr;gap:48px;padding:48px 0;border-top:1px solid var(--ligne);scroll-margin-top:100px}.bloc:first-child{border-top:0}.bloc p{color:var(--doux)}
.equipe{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.equipe article{border:1px solid var(--ligne);border-radius:12px;padding:26px}.ini{width:60px;height:60px;border-radius:50%;background:var(--teinte);color:var(--sapin);display:flex;align-items:center;justify-content:center;font:500 22px Newsreader,serif;margin-bottom:14px}.equipe span{color:var(--sapin);font-size:14px;font-weight:600}.equipe p{color:var(--doux);font-size:15px;margin-top:8px}
.bascule{display:inline-flex;background:var(--teinte);border-radius:999px;padding:4px;margin-bottom:28px}.bascule button{border:0;background:none;padding:8px 18px;border-radius:999px;font:600 14px "Instrument Sans",sans-serif;cursor:pointer;color:var(--doux)}.bascule button.on{background:#fff;color:var(--encre);box-shadow:0 1px 4px rgba(0,0,0,.1)}
.tarif{border:1px solid var(--ligne);border-radius:12px;padding:30px;display:flex;flex-direction:column;gap:12px}.tarif.fort{border-color:var(--sapin);box-shadow:0 0 0 1px var(--sapin)}.tarif .prix{font:500 40px Newsreader,serif;color:var(--sapin)}.tarif .prix small{font:400 15px "Instrument Sans";color:var(--doux)}.tarif .btn{margin-top:auto}
.duo{display:grid;grid-template-columns:1fr 1.2fr;gap:56px}
form{display:grid;gap:16px;border:1px solid var(--ligne);border-radius:12px;padding:30px}label{display:grid;gap:6px;font-weight:600;font-size:14px}
input,select,textarea{width:100%;font:400 16px "Instrument Sans",sans-serif;padding:12px 14px;border:1px solid var(--ligne);border-radius:6px;color:var(--encre);background:#fff}input:focus,select:focus,textarea:focus{outline:2px solid var(--sapin);outline-offset:-1px}
.creneaux{display:flex;flex-wrap:wrap;gap:8px}.creneaux button{padding:9px 14px;border-radius:6px;border:1px solid var(--ligne);background:#fff;font:500 14px "Instrument Sans",sans-serif;cursor:pointer}.creneaux button.on{background:var(--sapin);color:#fff;border-color:var(--sapin)}
.ok{display:none;background:var(--teinte);padding:12px 14px;border-radius:6px;font-size:15px}.ok.on{display:block}
footer{background:var(--teinte);padding:56px 0 28px;font-size:14.5px;color:var(--doux);margin-top:0}footer .col{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}footer h4{color:var(--encre);margin-bottom:10px;font-size:14px}footer li{margin-bottom:6px}footer a:hover{color:var(--sapin)}.mention{border-top:1px solid var(--ligne);padding-top:18px;font-size:13px}
.apparait{opacity:0;transform:translateY(20px);transition:opacity .7s,transform .7s}.apparait.vu{opacity:1;transform:none}
@media (max-width:1040px){
 .w{padding:0 20px}.util{display:none}section{padding:64px 0}
 header>.w{height:64px}.burger{display:block}header>.w>.btn{display:none}
 nav.pr{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;flex-direction:column;padding:10px 20px 20px;box-shadow:0 14px 24px rgba(23,48,42,.1);max-height:calc(100vh - 64px);overflow:auto}nav.pr.ouvert{display:flex}
 .deroul{width:100%;justify-content:space-between}
 .mega{position:static;box-shadow:none;display:none;opacity:1;visibility:visible;transform:none}.mega.ouvert{display:block}.mega .w{grid-template-columns:1fr;gap:18px;padding:8px 13px 14px}.pousse{display:none}
 .heros .w{grid-template-columns:1fr;gap:32px;padding-top:40px;padding-bottom:48px}.flot{left:12px;bottom:12px}
 .chiffres{grid-template-columns:1fr 1fr}.chiffres div:nth-child(3){border-left:0;padding-left:0}.chiffres div{padding:20px 16px}
 .onglets,.panneau.on,.bloc,.duo{grid-template-columns:1fr;gap:20px}.cartes,.equipe{grid-template-columns:1fr}footer .col{grid-template-columns:1fr 1fr}.appel{padding:28px}
 .liste{display:flex;overflow-x:auto;gap:4px}.liste button{white-space:nowrap;border-left:0;border-bottom:2px solid var(--ligne);padding:10px 14px;font-size:15px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.apparait{opacity:1;transform:none}html{scroll-behavior:auto}}