:root{
  --encre:#0E3524;--canopee:#1F6B45;--solaire:#E8B84B;--ivoire:#F6F4EE;
  --blanc:#FFF;--pierre:#5C6963;--trait:#DCD9CF;--max:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Public Sans',system-ui,sans-serif;background:var(--ivoire);color:var(--encre);line-height:1.6;font-size:17px}
h1,h2,h3{font-family:'Familjen Grotesk',sans-serif;line-height:1.12;font-weight:600}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}
.eyebrow{font-size:12.5px;letter-spacing:.18em;text-transform:uppercase;font-weight:600;color:var(--canopee)}
section{padding:88px 0}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.on{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}}

/* header */
header{position:sticky;top:0;z-index:50;background:rgba(246,244,238,.93);backdrop-filter:blur(8px);border-bottom:1px solid transparent;transition:border-color .3s}
header.scrolled{border-bottom-color:var(--trait)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px;gap:18px}
.logo{display:flex;align-items:center;gap:11px;font-family:'Familjen Grotesk';font-weight:700;font-size:22px;letter-spacing:.02em}
.nav ul{display:flex;gap:32px;list-style:none}
.nav ul a{font-size:15px;font-weight:500}
.nav ul a:hover,.nav ul a.on{color:var(--canopee)}
.nav ul a.on{border-bottom:2px solid var(--solaire);padding-bottom:4px}
.btn{display:inline-block;background:var(--canopee);color:#fff;font-weight:600;font-size:15px;padding:13px 24px;border-radius:3px;border:1px solid var(--canopee);transition:background .2s}
.btn:hover{background:var(--encre);border-color:var(--encre)}
.btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn.ghost:hover{background:rgba(255,255,255,.12)}
.btn.sun{background:var(--solaire);border-color:var(--solaire);color:var(--encre)}
.btn.sun:hover{background:#F2C660}
.burger{display:none;background:none;border:none;font-size:26px;color:var(--encre);cursor:pointer}

/* heros photo : dégradé vert TOUJOURS présent → si la photo ne charge pas, le design tient seul */
.hero{position:relative;color:#fff;background:linear-gradient(178deg,#0E3524,#155035);overflow:hidden}
.hero .ph{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.38}
.hero .veil{position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,28,18,.92) 0%,rgba(8,28,18,.55) 55%,rgba(8,28,18,.25) 100%)}
.hero .wrap{position:relative;padding-top:110px;padding-bottom:64px}
.hero .eyebrow{color:var(--solaire)}
.hero h1{font-size:clamp(36px,5.2vw,60px);font-weight:700;max-width:16ch;margin:16px 0 20px}
.hero p{max-width:56ch;color:rgba(255,255,255,.85);font-size:19px}
.hero .actions{display:flex;gap:14px;margin:34px 0 30px;flex-wrap:wrap}
.crumbs{position:relative;font-size:13.5px;color:rgba(255,255,255,.65);padding-top:14px}
.horizon{display:block;width:100%;height:56px;position:relative}

/* cartes duo avec photo */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:-70px;position:relative;z-index:2}
.card{background:var(--blanc);border:1px solid var(--trait);border-radius:4px;overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(14,53,36,.14)}
.card .im{height:230px;background:linear-gradient(135deg,#12432D,#1F6B45);position:relative}
.card .im img{width:100%;height:100%;object-fit:cover}
.card .tx{padding:30px 30px 34px}
.card h2,.card h3{font-size:25px;margin:10px 0 10px}
.card p{color:var(--pierre)}
.card .go{display:inline-block;margin-top:18px;font-weight:600;color:var(--canopee)}
.card:hover .go{text-decoration:underline}

/* bandeau chiffres + confiance */
.figures{background:var(--encre);color:#fff;padding:60px 0}
.figures .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.fig strong{font-family:'Familjen Grotesk';font-size:42px;font-weight:700;color:var(--solaire);display:block;line-height:1.1}
.fig span{color:rgba(255,255,255,.78);font-size:15.5px}
.trust{background:var(--blanc);border-top:1px solid var(--trait);border-bottom:1px solid var(--trait);padding:26px 0}
.trust .wrap{display:flex;gap:14px;align-items:center;justify-content:center;flex-wrap:wrap;font-weight:600;font-size:15.5px}
.badge{border:1.5px solid var(--canopee);color:var(--canopee);border-radius:999px;padding:8px 18px}

/* sections métier */
.split{display:grid;grid-template-columns:5fr 7fr;gap:60px;align-items:start}
.split h2{font-size:clamp(28px,3.2vw,38px);margin-top:12px;max-width:18ch}
.lead{margin-top:16px;color:var(--pierre)}
.offer{border-top:1px solid var(--trait);padding:22px 0}
.offer h3{font-size:19px;margin-bottom:6px}
.offer p{color:var(--pierre);font-size:16px}
.photoband{border-radius:4px;overflow:hidden;background:linear-gradient(135deg,#12432D,#1F6B45);min-height:300px}
.photoband img{width:100%;height:100%;min-height:300px;object-fit:cover}
figcaption{font-size:13px;color:var(--pierre);margin-top:8px}

/* méthode */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:var(--trait);border:1px solid var(--trait);margin-top:42px}
.step{background:var(--blanc);padding:32px 26px}
.step em{font-family:'Familjen Grotesk';font-style:normal;font-weight:700;color:var(--solaire);font-size:14.5px;letter-spacing:.08em}
.step h3{font-size:18.5px;margin:10px 0 8px}
.step p{font-size:15.5px;color:var(--pierre)}

/* FAQ */
.faq{max-width:820px}
.faq details{border-top:1px solid var(--trait);padding:6px 0}
.faq details:last-child{border-bottom:1px solid var(--trait)}
.faq summary{font-family:'Familjen Grotesk';font-weight:600;font-size:18.5px;padding:16px 34px 16px 0;cursor:pointer;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:4px;top:12px;font-size:26px;color:var(--solaire);transition:transform .25s}
.faq details[open] summary:after{transform:rotate(45deg)}
.faq details p{color:var(--pierre);padding:0 0 18px;max-width:65ch}

/* CTA final */
.ctaband{background:var(--encre);color:#fff;text-align:left}
.ctaband .wrap{display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap}
.ctaband h2{font-size:clamp(26px,3vw,36px);color:#fff;max-width:22ch}

/* formulaire */
form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
form .full{grid-column:1/-1}
label{font-size:13.5px;font-weight:600;letter-spacing:.04em;display:block;margin-bottom:7px}
input,select,textarea{width:100%;padding:13px 14px;border-radius:3px;border:1px solid var(--trait);background:#fff;color:var(--encre);font:inherit;font-size:15.5px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--solaire);outline-offset:1px}
.hp{position:absolute;left:-9999px}

/* footer */
footer{background:#0A2A1C;color:rgba(255,255,255,.72);padding:44px 0;font-size:14.5px}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer a{text-decoration:underline;text-underline-offset:3px}
footer a:hover{color:#fff}

@media (max-width:900px){
  .nav ul{display:none;position:absolute;top:76px;left:0;right:0;background:var(--ivoire);flex-direction:column;gap:0;padding:10px 28px 22px;border-bottom:1px solid var(--trait)}
  .nav ul.open{display:flex}
  .nav ul li{padding:12px 0}
  .nav .btn{display:none}
  .burger{display:block}
  .duo{grid-template-columns:1fr;margin-top:28px}
  .figures .wrap,.split,.steps,form{grid-template-columns:1fr}
  .split{gap:26px}
  section{padding:60px 0}
}