:root{
  --navy:#123262;
  --navy-dark:#0c2247;
  --gold:#be822f;
  --gold-soft:#d6a05a;
  --ink:#1c1e22;
  --muted:#5a6275;
  --bg:#ffffff;
  --bg-alt:#f6f5f1;
  --line:#e6e3da;
  --radius:10px;
  --shadow:0 6px 24px rgba(18,50,98,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
a{color:var(--navy);text-decoration:none}
a:hover{text-decoration:underline}

/* HEADER */
.topbar{position:sticky;top:0;background:rgba(255,255,255,.96);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--line);z-index:50}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;color:var(--navy);font-weight:700}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text small{font-weight:500;font-size:11px;color:var(--gold);letter-spacing:.5px;text-transform:uppercase}
.topbar nav{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.topbar nav a{color:var(--ink);font-size:14.5px;font-weight:500}
.topbar nav a:hover{color:var(--navy);text-decoration:none}
.btn-private{background:var(--navy);color:#fff!important;padding:8px 14px;border-radius:var(--radius);font-weight:600;font-size:13.5px}
.btn-private:hover{background:var(--navy-dark);text-decoration:none}

/* HERO */
.hero{padding:84px 0 70px;background:linear-gradient(160deg,#fbfaf6 0%,#fff 60%);border-bottom:1px solid var(--line)}
.hero .eyebrow{color:var(--gold);font-weight:700;letter-spacing:1.5px;text-transform:uppercase;font-size:12.5px;margin:0 0 14px}
.hero h1{font-size:clamp(36px,5.4vw,64px);line-height:1.05;margin:0 0 18px;color:var(--navy);font-weight:800;letter-spacing:-.5px}
.hero h1 .accent{color:var(--gold)}
.hero .lead{font-size:19px;max-width:760px;color:#3a4154;margin:0 0 14px}
.hero .meta{color:var(--muted);font-size:14.5px;margin:0 0 28px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.btn-primary{background:var(--navy);color:#fff;padding:13px 22px;border-radius:var(--radius);font-weight:700;display:inline-block;transition:transform .12s ease, background .15s}
.btn-primary:hover{background:var(--navy-dark);text-decoration:none;transform:translateY(-1px)}
.btn-ghost{border:1.5px solid var(--navy);color:var(--navy);padding:11.5px 22px;border-radius:var(--radius);font-weight:700;display:inline-block}
.btn-ghost:hover{background:var(--navy);color:#fff;text-decoration:none}

/* SECTIONS */
.section{padding:72px 0}
.section-alt{background:var(--bg-alt)}
.section h2{color:var(--navy);font-size:32px;font-weight:800;margin:0 0 8px;letter-spacing:-.3px;position:relative;display:inline-block}
.section h2::after{content:"";display:block;width:64px;height:3px;background:var(--gold);margin-top:8px;border-radius:2px}
.section-intro{color:var(--muted);font-size:17px;margin:0 0 28px;max-width:680px}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-top:24px}
.cols p{font-size:16px;color:#2f3645;margin:0 0 14px}
.center-block{text-align:center;max-width:720px}
.center-block h2::after{margin:8px auto 0}
.center-block p{font-size:17px;margin:8px 0 24px}

/* KPIS */
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:30px 0 16px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 18px;text-align:left;box-shadow:var(--shadow);position:relative;overflow:hidden}
.kpi::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--gold)}
.kpi-num{display:block;font-size:34px;font-weight:800;color:var(--navy);line-height:1.05;letter-spacing:-.5px}
.kpi-num small{font-size:14px;color:var(--gold);font-weight:700;margin-left:2px}
.kpi-lab{display:block;color:var(--muted);font-size:13.5px;margin-top:6px;text-transform:uppercase;letter-spacing:.5px}
.prog-detail{margin-top:32px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 28px;box-shadow:var(--shadow)}
.prog-detail h3{color:var(--navy);margin:18px 0 6px;font-size:18px}
.prog-detail h3:first-child{margin-top:0}
.prog-detail p{margin:0 0 8px;color:#2f3645}

/* TIMELINE */
.timeline{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:14px;counter-reset:tl}
.timeline li{display:grid;grid-template-columns:200px 1fr;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;box-shadow:var(--shadow)}
.timeline .date{color:var(--gold);font-weight:700;font-size:14px;text-transform:uppercase;letter-spacing:.5px}
.timeline .event{color:#2f3645;font-size:15.5px}

/* CARDS */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);border-top:3px solid var(--gold)}
.card h3{margin:0 0 8px;color:var(--navy);font-size:16px;text-transform:uppercase;letter-spacing:.5px}
.card p{margin:4px 0;color:#2f3645}
.card .small{color:var(--muted);font-size:13.5px}

/* CONTACT */
.contact-card{background:#fff;border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:var(--radius);padding:22px 28px;max-width:760px;box-shadow:var(--shadow)}
.contact-card p{margin:6px 0}

/* FOOTER */
footer{background:var(--navy);color:#cdd6e6;padding:36px 0 28px;margin-top:40px;border-top:4px solid var(--gold)}
footer .small{color:#94a0bd;font-size:13px;margin-top:6px}
footer a{color:#fff}

/* SHOWCASE (bandeau visuel sous le hero) */
.showcase{background:#0c2247;padding:0;display:block}
.showcase a{display:block;line-height:0}
.showcase img{display:block;width:100%;max-height:540px;object-fit:cover;cursor:zoom-in}
.showcase-caption{margin:0;padding:10px 24px;color:#94a0bd;background:#0c2247;font-size:12.5px;text-align:center;font-style:italic;letter-spacing:.3px}

/* GALERIE */
.gal-h{color:var(--navy);font-size:18px;margin:28px 0 10px;padding-bottom:6px;border-bottom:1px solid var(--line);letter-spacing:.2px}
.gal-h:first-of-type{margin-top:14px}
.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.g-item{position:relative;display:block;border-radius:8px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;transition:transform .15s ease, box-shadow .15s ease;cursor:zoom-in;line-height:0}
.g-item:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(18,50,98,.14)}
.g-item img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;background:#fafaf6}
.g-label{position:absolute;left:0;right:0;bottom:0;padding:8px 10px;background:linear-gradient(0deg,rgba(12,34,71,.92) 0%,rgba(12,34,71,.0) 100%);color:#fff;font-size:12px;line-height:1.35;letter-spacing:.2px}

/* LIGHTBOX */
.lightbox{position:fixed;inset:0;background:rgba(8,20,42,.94);z-index:1000;display:flex;align-items:center;justify-content:center;padding:24px;cursor:zoom-out;animation:fadein .12s ease}
.lightbox[hidden]{display:none}
.lightbox img{max-width:96%;max-height:92%;object-fit:contain;box-shadow:0 24px 60px rgba(0,0,0,.6);border-radius:6px;background:#fff}
.lightbox button{position:absolute;background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.25);border-radius:50%;width:46px;height:46px;font-size:24px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .12s}
.lightbox button:hover{background:rgba(255,255,255,.18)}
.lb-close{top:18px;right:20px;font-size:30px}
.lb-prev{left:18px;top:50%;transform:translateY(-50%)}
.lb-next{right:18px;top:50%;transform:translateY(-50%)}
@keyframes fadein{from{opacity:0}to{opacity:1}}

/* RESPONSIVE */
@media (max-width:780px){
  .topbar nav a:not(.btn-private){display:none}
  .topbar nav{gap:0}
  .hero{padding:60px 0 50px}
  .cols, .cards{grid-template-columns:1fr}
  .kpis{grid-template-columns:1fr 1fr}
  .timeline li{grid-template-columns:1fr}
  .section{padding:50px 0}
  .section h2{font-size:26px}
  .showcase img{max-height:340px}
}
@media (max-width:600px){
  .lightbox button{width:38px;height:38px;font-size:20px}
  .gallery{grid-template-columns:repeat(2,1fr);gap:8px}
  .g-label{font-size:11px;padding:6px 8px}
}
@media (max-width:440px){
  .kpis{grid-template-columns:1fr}
}