:root{
  --purple:#5b4acb;
  --blue:#4377d7;
  --cyan:#25c8c0;
  --ink:#1a2440;
  --muted:#68738a;
  --bg:#f7f9fc;
  --card:#ffffff;
  --line:#dfe6ef;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;color:var(--ink);background:#fff}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.topbar{background:linear-gradient(90deg,var(--purple),var(--blue),var(--cyan));color:white;font-size:14px}
.wrap{width:min(1180px,92vw);margin:auto}
.topbar .wrap{display:flex;justify-content:space-between;gap:24px;align-items:center;padding:10px 0;flex-wrap:wrap}
nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid #edf0f5}
.navin{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:11px 0}
.brand img{width:220px;height:82px;object-fit:contain}
.menu{display:flex;gap:26px;align-items:center;font-weight:700;color:#746bb9}
.menu a{padding:12px 0;border-bottom:3px solid transparent}
.menu a:hover,.menu a.active{color:#2fbeb9;border-bottom-color:#3d98d2}
.hero{min-height:590px;display:flex;align-items:center;color:white;background:
linear-gradient(90deg,rgba(8,14,22,.85),rgba(8,14,22,.38)),
url('../assets/hero.jpg') center/cover no-repeat}
.hero .content{max-width:940px;padding:70px 0}
.kicker{font-weight:800;letter-spacing:.04em;text-transform:uppercase;font-size:clamp(18px,2vw,30px)}
.hero h1{font-size:clamp(48px,7vw,86px);line-height:.95;margin:28px 0 24px;max-width:1000px;border-left:6px solid var(--cyan);padding-left:20px}
.hero p{font-size:20px;font-style:italic;max-width:980px}
.section{padding:72px 0}
.section.alt{background:var(--bg)}
.section-title{text-align:center;margin:0 auto 38px;max-width:850px}
.section-title h2{font-size:34px;margin:0 0 12px;background:linear-gradient(90deg,var(--purple),var(--cyan));-webkit-background-clip:text;color:transparent}
.section-title:after{content:"";display:block;height:3px;background:linear-gradient(90deg,var(--purple),var(--cyan));margin:10px auto 0;max-width:760px}
.section-title p{color:var(--muted);line-height:1.6}
.grid{display:grid;gap:24px}
.cards-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.cards-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:0 10px 28px rgba(29,50,83,.08);overflow:hidden}
.card img{width:100%;height:220px;object-fit:cover}
.card .pad{padding:22px}
.card h3{margin:0 0 12px;color:#5b57b8}
.card p,.card li{color:#576177;line-height:1.55}
.card ul{padding-left:20px}
.btn{display:inline-block;background:linear-gradient(90deg,var(--purple),var(--cyan));color:#fff;font-weight:800;border-radius:8px;padding:12px 18px;margin-top:12px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.panel{border:1px solid var(--line);border-radius:16px;padding:28px;background:#fff;box-shadow:0 10px 28px rgba(29,50,83,.06)}
.mission{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-top:28px}
.mission>div{padding:30px}
.mission>div+div{border-left:1px solid var(--line)}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gallery img{width:100%;height:260px;object-fit:cover;border-radius:12px}
.contact{background:linear-gradient(90deg,var(--purple),var(--blue),var(--cyan));color:#fff}
.contact .panel{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.25);color:#fff}
input,textarea{width:100%;padding:14px;border-radius:8px;border:0;margin:8px 0 12px;font:inherit}
textarea{min-height:140px;resize:vertical}
footer{background:#11192a;color:#c9d1de;padding:30px 0}
.small{font-size:14px}
.equip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.equip-card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 8px 22px rgba(0,0,0,.06)}
.equip-card img{width:100%;height:180px;object-fit:cover}
.equip-card .pad{padding:18px}
.equip-card h3{margin:0 0 8px;color:#5b57b8}
.page-hero{padding:78px 0 48px;background:linear-gradient(90deg,#f4f2ff,#ecfffe)}
.page-hero h1{font-size:46px;margin:0;background:linear-gradient(90deg,var(--purple),var(--cyan));-webkit-background-clip:text;color:transparent}
.badge{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#eef9f8;color:#27877f;font-weight:700;font-size:14px}
.realisations{grid-template-columns:repeat(4,1fr)}
.realisations .card img{height:170px}
.team{grid-template-columns:repeat(4,1fr)}
.team .card{text-align:center;padding:28px}
.icon{font-size:38px;margin-bottom:12px}
@media (max-width:900px){
 .menu{display:none}
 .brand img{width:170px;height:64px}
 .cards-4,.equip-grid,.realisations,.team{grid-template-columns:repeat(2,1fr)}
 .cards-2,.two-col,.mission{grid-template-columns:1fr}
 .mission>div+div{border-left:0;border-top:1px solid var(--line)}
 .gallery{grid-template-columns:repeat(2,1fr)}
 .hero{min-height:510px}
}
@media (max-width:560px){
 .cards-4,.equip-grid,.realisations,.team,.gallery{grid-template-columns:1fr}
 .hero h1{font-size:46px}
 .page-hero h1{font-size:36px}
 .section{padding:52px 0}
}

/* ===== CORRECTIFS COMACXE ===== */
.topbar a{color:#fff}
.topbar .contacts{display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.topbar .socials{display:flex;gap:14px;align-items:center;font-weight:600}
.topbar .socials a:hover{opacity:.8}

/* --- Menu mobile --- */
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.burger span{display:block;width:26px;height:3px;border-radius:3px;background:var(--purple);transition:.25s}
.burger.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* --- Diaporama hero --- */
.hero{position:relative;overflow:hidden;background:#0d1520}
.hero .slides{position:absolute;inset:0;z-index:0}
.hero .slides div{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1.4s ease-in-out}
.hero .slides div.on{opacity:1}
.hero:after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(8,14,22,.86),rgba(8,14,22,.40))}
.hero .content{position:relative;z-index:2}
.hero .dots{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:3;display:flex;gap:10px}
.hero .dots button{width:11px;height:11px;border-radius:50%;border:0;cursor:pointer;background:rgba(255,255,255,.45);padding:0}
.hero .dots button.on{background:var(--cyan);width:30px;border-radius:6px}

/* --- Bouton WhatsApp flottant --- */
.wa{position:fixed;right:18px;bottom:18px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.28)}
.wa svg{width:32px;height:32px;fill:#fff}
.wa:hover{transform:scale(1.06);transition:.2s}

.form-note{margin-top:10px;font-size:14px}
.ok-msg{display:none;background:rgba(255,255,255,.18);border-radius:8px;padding:12px;margin-top:10px;font-weight:700}
footer .flinks{margin-top:14px;display:flex;gap:18px;flex-wrap:wrap;font-size:14px}
footer a:hover{color:#fff}

@media (max-width:900px){
 .burger{display:flex}
 .menu{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:8px 0;border-bottom:1px solid var(--line);box-shadow:0 14px 30px rgba(0,0,0,.10)}
 .menu.open{display:flex}
 .menu a{padding:14px 6vw;border-bottom:1px solid #f0f3f8;width:100%}
 nav{position:sticky}
 .navin{position:relative}
 .topbar{font-size:13px}
 .topbar .wrap{justify-content:center;text-align:center}
}
@media (max-width:560px){
 .hero{min-height:460px}
 .wa{width:52px;height:52px;right:14px;bottom:14px}
}