:root{
  --primary:#0e3653; /* deep blue */
  --secondary:#10a478; /* green */
  --accent:#9acd32; /* lime */
  --bg:#ffffff;
  --text:#0b1e33;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Helvetica Neue',Arial,'Noto Sans',sans-serif;color:var(--text);background:var(--bg);line-height:1.6}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1100px;margin:0 auto;padding:0 1rem}
.nav{position:sticky;top:0;background:#0b2742;color:#fff;border-bottom:2px solid #0d3765;z-index:50}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:.6rem 0}
.nav .brand{display:flex;gap:.7rem;align-items:center}
.nav img.logo{height:56px;width:auto}
.nav ul{display:flex;gap:1rem;list-style:none;margin:0;padding:0}
.nav a{color:#fff}
.nav a.btn{background:var(--secondary);color:#0b1e33;padding:.5rem .9rem;border-radius:.6rem}
.hero{background:linear-gradient(180deg,#0b2742 0%, #0c2f4c 40%, #0e3653 100%);padding:3rem 0 2rem;color:#eef6ff}
.hero h1{font-size:clamp(1.8rem,3.5vw,2.6rem);margin:.4rem 0}
.hero p.lead{font-size:1.1rem;max-width:65ch;color:#dfeeff}
.hero .cta{margin-top:1rem;display:flex;gap:.8rem;flex-wrap:wrap}
.btn{display:inline-block;border:1px solid var(--accent);color:#0b1e33;background:var(--accent);padding:.7rem 1rem;border-radius:.8rem;font-weight:700}
.btn.secondary{background:var(--secondary);border-color:var(--secondary);color:#0b1e33}
.grid{display:grid;gap:1rem}
.cards{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin:1.2rem 0}
.card{background:#fff;border:1px solid #e5e7eb;border-radius:1rem;padding:1rem;box-shadow:0 2px 8px rgba(16,24,40,.05)}
.card h3{margin:.2rem 0 .6rem}
.footer{background:#071d35;color:#eef7ff;margin-top:2rem}
.footer a{color:#c7e1ff}
.footer .container{padding:1.5rem 1rem}
.section{padding:2rem 0}
.section h2{font-size:1.6rem;margin:0 0 .5rem}
.badge{display:inline-block;background:#e9f2ff;color:#0a3a78;border:1px solid #bfd8ff;border-radius:999px;padding:.2rem .6rem;font-weight:700;font-size:.85rem}
.kv{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}
.kv img{border-radius:.8rem;border:1px solid #e5e7eb;background:#fff;width:180px;height:auto;max-width:100%}
.notice{background:#fffbea;border:1px solid #fde68a;color:#92400e;padding:.6rem .8rem;border-radius:.6rem}
ul.programme{padding-left:1.1rem}
ul.programme li{margin:.35rem 0}
@media (max-width:640px){
  .nav img.logo{height:56px;width:auto}
  .hero{padding:2.2rem 0 1.4rem}
}

.lettrine { font-size: 1.05rem; line-height: 1.7; }
.dropcap {
  float: left;
  font-size: 3.2rem;
  line-height: 1;
  padding-right: 0.4rem;
  font-weight: 700;
  color: var(--secondary);
}

.calligraphie p {
  font-family: 'Georgia', 'Palatino Linotype', 'Book Antiqua', serif;
  font-size: 1.08rem;
}

/* Mobile fix: hide 'Partagez vos idées' button in header */
@media (max-width: 768px) {
  .nav a.btn {
    display: none;
  }
}