:root{
  --blue:#0d3d91; --blue2:#173ea7; --ink:#10203f; --muted:#66728b;
  --soft:#f5f7fb; --line:#e2e7f2; --white:#fff; --accent:#e6a900;
  --shadow:0 18px 55px rgba(13,61,145,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);line-height:1.6;background:#fff}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{width:min(1180px,92%);margin:auto}
.topbar{background:#0b3176;color:#fff;font-size:.85rem}
.topbar .container{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:8px 0}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.97);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.navwrap{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:60px;height:60px;object-fit:contain}
.brand strong{display:block;letter-spacing:.04em}
.brand small{display:block;color:var(--muted)}
nav{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
nav a{font-size:.9rem;font-weight:800}
nav a:hover{color:var(--blue2)}
.hero{padding:90px 0;background:linear-gradient(105deg,#fff 0 46%,rgba(255,255,255,.18) 70%),url('assets/hero-douala.jpg') center/cover no-repeat}
.hero-grid{display:grid;grid-template-columns:1fr .85fr;gap:40px;align-items:center}
.kicker{text-transform:uppercase;letter-spacing:.16em;color:var(--blue2);font-weight:900;font-size:.77rem;margin-bottom:12px}
h1,h2,h3{line-height:1.13}
h1{font-size:clamp(2.8rem,5vw,5rem);letter-spacing:-.05em;margin:.1em 0 .3em}
h2{font-size:clamp(2rem,3.1vw,3.2rem);letter-spacing:-.035em;margin:0 0 18px}
.lead{font-size:1.12rem;color:#526078;max-width:720px}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-block;padding:13px 20px;border-radius:9px;font-weight:850;border:1px solid transparent}
.btn.primary{background:var(--blue2);color:#fff}
.btn.outline{background:#fff;border-color:#b8c4e7;color:var(--blue2)}
.section{padding:84px 0}
.soft{background:var(--soft)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:17px;overflow:hidden;box-shadow:0 10px 30px rgba(20,40,90,.05)}
.card .body{padding:22px}
.card p{color:var(--muted)}
.card img{width:100%;height:210px;object-fit:cover}
.split{display:grid;grid-template-columns:1fr 1.1fr;gap:58px;align-items:start}
.facts{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.fact{background:#fff;border:1px solid var(--line);border-radius:13px;padding:16px}
.fact span{display:block;font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.gallery{display:grid;grid-template-columns:2fr 1fr 1fr;grid-auto-rows:230px;gap:15px}
.gallery img{width:100%;height:100%;object-fit:cover;border-radius:16px}
.gallery .tall{grid-row:span 2}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat{padding:22px;background:#fff;border:1px solid var(--line);border-radius:14px;text-align:center}
.stat b{font-size:2rem;color:var(--blue2);display:block}
.cta{padding:18px 0 75px}
.cta-box{background:linear-gradient(135deg,#0b3176,#173ea7);color:#fff;border-radius:24px;padding:38px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px}
form{background:var(--soft);border:1px solid var(--line);border-radius:18px;padding:26px}
label{display:block;font-weight:800;margin-bottom:14px}
input,textarea,select{width:100%;margin-top:7px;padding:13px;border:1px solid #cbd3e4;border-radius:9px;background:#fff;font:inherit}
.whatsapp{position:fixed;left:20px;bottom:20px;background:#1fad59;color:#fff;padding:12px 16px;border-radius:999px;font-weight:900;box-shadow:var(--shadow);z-index:50}
footer{background:#0b2456;color:#e4e9fb;padding:46px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:40px}
footer p{color:#bcc7e6}
footer a{display:block;margin:7px 0}
.subhero{padding:66px 0;background:linear-gradient(135deg,#f8f9fd,#eef2ff)}
.notice{background:#fff8e8;border:1px solid #ecdca7;border-radius:11px;padding:17px;color:#6f5a1b}
@media(max-width:900px){
 .hero{background:linear-gradient(rgba(255,255,255,.91),rgba(255,255,255,.91)),url('assets/hero-douala.jpg') center/cover}
 .hero-grid,.split,.contact-grid,.footer-grid{grid-template-columns:1fr}
 .grid3{grid-template-columns:1fr 1fr}
 .stats{grid-template-columns:1fr 1fr}
 nav{display:none}
 .gallery{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
 .grid3,.facts,.stats,.gallery{grid-template-columns:1fr}
 .gallery{grid-auto-rows:220px}
 .gallery .tall{grid-row:auto}
 .section{padding:60px 0}
 .hero{padding:62px 0}
 .cta-box{flex-direction:column;align-items:flex-start}
}