:root{
  --nuit:#0A2318;
  --nuit-2:#0F3122;
  --vert:#00903C;          /* vert du logo */
  --vert-fonce:#00713A;
  --vert-vif:#00C257;
  --gris:#6C6C6C;          /* gris du logo */
  --gris-fonce:#4E5250;
  --gris-clair:#D5D6D5;
  --papier:#EFEFEE;
  --blanc:#fff;
  --encre:#16241D;
  --max:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;color:var(--encre);background:var(--papier);line-height:1.6;font-weight:400;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,.stat b{font-family:'Poppins',sans-serif;letter-spacing:-.02em;line-height:1.12}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.mono{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.18em;text-transform:uppercase}
.eyebrow{color:var(--gris);margin-bottom:14px;display:block}
section{padding:96px 0}
h2{font-size:clamp(28px,4vw,44px);font-weight:700;color:var(--vert-fonce)}
.lead{font-size:clamp(16px,1.6vw,19px);font-weight:300;color:#3A463F;max-width:70ch}
.phases{display:flex;flex-direction:column;gap:2px;width:64px;margin-bottom:18px}
.phases i{height:2px;background:var(--vert)}
.phases i:nth-child(2){background:var(--gris)}
.phases i:nth-child(3){background:var(--gris);opacity:.45}

/* ---------- BOUTONS ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 26px;font-weight:600;font-size:15px;border:1.5px solid transparent;transition:.25s;cursor:pointer}
.btn-p{background:var(--vert);color:#fff}
.btn-p:hover{background:var(--vert-fonce)}
.btn-o{border-color:rgba(255,255,255,.45);color:#fff}
.btn-o:hover{border-color:var(--vert-vif);color:var(--vert-vif)}
.btn-d{border-color:var(--vert-fonce);color:var(--vert-fonce)}
.btn-d:hover{background:var(--vert-fonce);color:#fff}

/* ---------- HEADER ---------- */
header{position:fixed;top:0;left:0;right:0;z-index:100;transition:.3s;padding:16px 0}
header.scrolled{background:rgba(10,35,24,.96);backdrop-filter:blur(8px);padding:10px 0;box-shadow:0 2px 20px rgba(0,0,0,.25)}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px}
header img{height:56px;transition:.3s}
header.scrolled img{height:44px}
nav ul{display:flex;gap:30px;list-style:none;align-items:center}
nav a{color:#fff;font-size:14px;font-weight:500;position:relative;padding:4px 0}
nav a::after{content:'';position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--vert-vif);transition:.25s}
nav a:hover::after{width:100%}
.tel{display:inline-flex;align-items:center;gap:8px;background:var(--vert);color:#fff;padding:11px 18px;font-weight:600;font-size:14px;transition:.25s}
.tel:hover{background:var(--vert-vif);color:var(--nuit)}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.burger span{display:block;width:26px;height:2px;background:#fff;margin:5px 0;transition:.3s}

/* ---------- HERO ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:flex-end;color:#fff;padding:140px 0 0}
.hero .bg{position:absolute;inset:0;background-size:cover;background-position:center 45%}
.hero .bg::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,35,24,.80) 0%,rgba(10,35,24,.42) 22%,rgba(10,35,24,.72) 52%,rgba(10,35,24,.94) 78%,rgba(10,35,24,.99) 100%),linear-gradient(90deg,rgba(10,35,24,.72) 0%,rgba(10,35,24,.15) 62%,transparent 100%)}
.hero .wrap{position:relative;z-index:2;padding-bottom:0}
.hero .base{color:var(--vert-vif);font-weight:500;margin-bottom:22px;display:block;text-shadow:0 2px 12px rgba(10,35,24,.9)}
.hero .base b{color:#fff;font-weight:500;font-size:1.35em;letter-spacing:.22em}
.hero h1{font-size:clamp(34px,6vw,68px);font-weight:700;text-transform:uppercase;line-height:1.02;color:#fff;text-shadow:0 3px 24px rgba(10,35,24,.55)}
.hero h1 em{font-style:normal;color:var(--vert-vif)}
.hero p{text-shadow:0 2px 14px rgba(10,35,24,.8);margin-top:22px;font-size:clamp(16px,1.7vw,20px);font-weight:300;color:#D7E0D8;max-width:62ch}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap;margin:34px 0 0}
.hero .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.16);margin-top:56px;border-top:2px solid var(--vert)}
.hero .stat:nth-child(2n) b{color:#DDDEDD}
.hero .stat{background:rgba(10,35,24,.55);padding:22px 20px}
.hero .stat b{display:block;font-size:30px;color:var(--vert-vif);font-weight:700}
.hero .stat span{font-size:12px;letter-spacing:.06em;color:#B9C6BB;text-transform:uppercase;font-family:'IBM Plex Mono',monospace}

/* ---------- BANDEAU SECTEURS ---------- */
.bandeau{background:var(--vert-fonce);color:#fff;padding:22px 0;border-bottom:4px solid var(--gris)}
.bandeau .wrap{display:flex;gap:36px;flex-wrap:wrap;justify-content:center;align-items:center}
.bandeau span{font-family:'IBM Plex Mono',monospace;font-size:13px;letter-spacing:.2em;text-transform:uppercase}
.bandeau i{color:var(--vert-vif);font-style:normal}

/* ---------- À PROPOS ---------- */
.apropos{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:start}
.piliers{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:8px}
.pilier{background:#fff;padding:24px;border-left:3px solid var(--vert)}
.pilier:nth-child(2n){border-left-color:var(--gris)}
.pilier b{display:block;font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--gris);margin-bottom:6px}
.pilier h3{font-size:17px;font-weight:600;color:var(--vert-fonce);margin-bottom:6px}
.pilier p{font-size:14px;color:#46524B}

/* ---------- EXPERTISES ---------- */
.expertises{background:#fff}
.grid9{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:48px}
.carte{background:var(--papier);display:flex;flex-direction:column;transition:.3s}
.carte:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(10,35,24,.12)}
.carte .ph{aspect-ratio:4/3;background-size:cover;background-position:center;position:relative;background-color:#20302A}
.carte .ph b{position:absolute;left:0;top:0;background:var(--vert);color:#fff;font-family:'Poppins';font-weight:700;font-size:14px;padding:6px 12px}
.carte .txt{padding:24px;display:flex;flex-direction:column;flex:1}
.carte h3{font-size:19px;font-weight:600;color:var(--vert-fonce);margin-bottom:6px}
.carte .sub{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--gris);margin-bottom:14px}
.carte ul{list-style:none;font-size:14px;color:#3A463F}
.carte li{padding-left:16px;position:relative;margin-bottom:5px}
.carte li::before{content:'';position:absolute;left:0;top:11px;width:9px;height:1.5px;background:var(--vert)}
.carte:nth-child(3n+2) .ph b{background:var(--gris)}
.carte:nth-child(3n+2) li::before{background:var(--gris)}
.carte .gain{margin-top:auto;padding-top:16px;border-top:1px solid #E1E3DF;font-size:13.5px;font-weight:600;color:var(--vert-fonce)}

/* ---------- MÉTHODE ---------- */
.methode{background:var(--nuit);color:#fff}
.methode h2{color:#fff}
.methode .lead{color:#B9C6BB}
.rail{display:grid;grid-template-columns:repeat(8,1fr);margin-top:56px;position:relative}
.rail::before{content:'';position:absolute;top:6px;left:6%;right:6%;height:1px;background:rgba(0,194,87,.5)}
.rail .et{position:relative;padding-right:12px}
.rail .pt{width:13px;height:13px;border-radius:50%;background:var(--vert-vif);margin-bottom:18px}
.rail .n{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--vert-vif);display:block;margin-bottom:4px}
.rail h4{font-size:14px;font-weight:600;margin-bottom:6px}
.rail p{font-size:12.5px;color:#A9B8AC;line-height:1.5}

/* ---------- TERRAIN ---------- */
.galerie{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:190px;gap:14px;margin-top:44px}
.galerie div{background-size:cover;background-position:center;background-color:#20302A}
.galerie .g2{grid-column:span 2;grid-row:span 2}
.terrain-2{display:grid;grid-template-columns:1fr 1.3fr;gap:26px;margin-top:26px}
.mot{background:var(--vert-fonce);color:#fff;padding:36px;display:flex;flex-direction:column;justify-content:center}
.mot .q{font-family:'Poppins';font-size:56px;line-height:.5;color:var(--vert-vif);margin-bottom:22px}
.mot p{font-size:19px;font-weight:300}
.mot b{font-weight:600}
.pts{display:grid;gap:14px}
.pts>div{background:#fff;padding:22px 26px;border-left:3px solid var(--vert)}
.pts>div:nth-child(2){border-left-color:var(--gris)}
.pts b{display:block;font-family:'Poppins';font-size:16px;font-weight:600;color:var(--vert-fonce);margin-bottom:4px}
.pts span{font-size:14px;color:#46524B}

/* ---------- LIVRABLES ---------- */
.livrables{background:var(--nuit-2);color:#fff;padding:72px 0}
.livrables h2{color:#fff}
.liv{display:grid;grid-template-columns:repeat(5,1fr);gap:22px;margin-top:40px}
.liv>div{border-top:2px solid var(--vert);padding-top:18px}
.liv>div:nth-child(2n){border-top-color:#8C9490}
.liv h4{font-size:15px;font-weight:600;margin-bottom:8px}
.liv p{font-size:13px;color:#A9B8AC}

/* ---------- FORMULES ---------- */
.formules{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.formule{background:#fff;padding:32px;border-top:3px solid var(--vert);display:flex;flex-direction:column}
.formule:nth-child(2){border-top-color:var(--gris)}
.formule .t{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--gris)}
.formule h3{font-size:21px;font-weight:600;color:var(--vert-fonce);margin:10px 0 10px}
.formule p{font-size:14.5px;color:#46524B}
.formule ul{list-style:none;margin:18px 0 26px;font-size:14px}
.formule li{padding-left:16px;position:relative;margin-bottom:7px}
.formule li::before{content:'';position:absolute;left:0;top:11px;width:9px;height:1.5px;background:var(--vert)}
.formule .btn{margin-top:auto;justify-content:center}


/* ---------- CARRIÈRES ---------- */
.carrieres{background:var(--nuit);color:#fff}
.carrieres h2{color:#fff}
.carrieres .lead{color:#B9C6BB}
.cgr{display:grid;grid-template-columns:1.15fr 1fr;gap:40px;margin-top:48px;align-items:stretch}
.postes{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.poste{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);padding:22px;transition:.25s}
.poste:hover{border-color:var(--vert-vif);background:rgba(0,194,87,.08)}
.poste .tag{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--vert-vif);display:block;margin-bottom:8px}
.poste:nth-child(2n) .tag{color:#B6BDB8}
.poste h4{font-size:16px;font-weight:600;margin-bottom:6px}
.poste p{font-size:13px;color:#A9B8AC;line-height:1.5}
.candidature{background:var(--vert-fonce);padding:34px;display:flex;flex-direction:column;position:sticky;top:96px}
.candidature h3{font-size:21px;font-weight:600;margin-bottom:12px}
.candidature p{font-size:14.5px;color:#D3EDDC;margin-bottom:18px}
.candidature ol{margin:0 0 22px 18px;font-size:14px;color:#D3EDDC;display:grid;gap:8px}
.candidature .note{font-size:12.5px;color:#A9D9B8;margin:16px 0 0}
.candidature .btn{margin-top:auto}
.candidature .btn{width:100%;justify-content:center;background:#fff;color:var(--vert-fonce)}
.candidature .btn:hover{background:var(--vert-vif);color:var(--nuit)}
@media(max-width:1000px){.cgr{grid-template-columns:1fr;gap:32px}}
@media(max-width:700px){.postes{grid-template-columns:1fr}}

/* ---------- CONTACT ---------- */
.contact{background:#fff}
.cgrid{display:grid;grid-template-columns:1fr 1.15fr;gap:64px;margin-top:48px}
.infos-c div{border-top:1px solid var(--gris-clair);padding:20px 0}
.infos-c b{display:block;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--gris);margin-bottom:6px}
.infos-c p,.infos-c a{font-size:16px;color:var(--encre)}
.infos-c a:hover{color:var(--vert)}
form{display:grid;gap:16px}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:block;font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--gris);margin-bottom:7px}
input,select,textarea{width:100%;padding:14px;border:1px solid var(--gris-clair);background:var(--papier);font-family:inherit;font-size:15px;color:var(--encre)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--vert);background:#fff}
textarea{min-height:130px;resize:vertical}

/* ---------- FOOTER ---------- */
footer{background:var(--nuit);color:#fff;padding:72px 0 28px}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px}
footer img{height:92px;margin-bottom:20px}
footer p{font-size:14px;color:#A9B8AC;max-width:44ch}
footer img{filter:none}
footer h4{font-size:13px;font-family:'IBM Plex Mono',monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--vert-vif);margin-bottom:18px;font-weight:500}
footer ul{list-style:none;display:grid;gap:9px}
footer li a{font-size:14px;color:#C8D3C9}
footer li a:hover{color:var(--vert-vif)}
.bas{border-top:1px solid rgba(255,255,255,.14);margin-top:52px;padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#8A9A8D}
/* bouton WhatsApp flottant */
.wa:hover{transform:scale(1.08)}
.wa{position:fixed;right:22px;bottom:22px;transition:.25s;z-index:90;background:#25D366;color:#fff;width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.28);font-size:26px}

/* ---------- ANIMATIONS ---------- */
.js .rev{opacity:0;transform:translateY(24px);transition:.7s cubic-bezier(.2,.7,.3,1)}
.js .rev.on{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.js .rev{opacity:1;transform:none}}

/* ---------- RESPONSIVE ---------- */
@media(max-width:1000px){
  .grid9,.formules,.liv{grid-template-columns:1fr 1fr}
  .rail{grid-template-columns:repeat(4,1fr);gap:28px 12px}
  .rail::before{display:none}
  .apropos,.cgrid,.terrain-2,.fgrid{grid-template-columns:1fr;gap:36px}
  .galerie{grid-template-columns:repeat(2,1fr);grid-auto-rows:160px}
}
@media(max-width:700px){
  section{padding:64px 0}
  nav{position:fixed;inset:0 0 0 auto;width:78%;max-width:320px;background:var(--nuit);padding:100px 28px;transform:translateX(100%);transition:.35s;box-shadow:-10px 0 40px rgba(0,0,0,.4)}
  nav.open{transform:none}
  nav ul{flex-direction:column;align-items:flex-start;gap:22px}
  .burger{display:block;z-index:110}
  header .tel span{display:none}
  .grid9,.formules,.liv,.f2,.piliers{grid-template-columns:1fr}
  .hero .stats{grid-template-columns:1fr 1fr}
  .rail{grid-template-columns:1fr 1fr}
  .galerie{grid-template-columns:1fr 1fr;grid-auto-rows:130px}
}