:root{--navy:#0B1A48;--blue:#2F38BF;--link:#3E64DE;--gold:#FFB300;--text:#313131;--line:#E3E5EB;--pale:#F4F6FB}
*{box-sizing:border-box}
body{margin:0;font-family:"Open Sans",Arial,sans-serif;color:var(--text);background:#fff;line-height:1.7;font-size:16px}
.wrap{max-width:1140px;margin:0 auto;padding:0 16px}
a{color:var(--link)}

/* en-tete */
.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.bar{display:flex;align-items:center;justify-content:space-between;min-height:70px}
.brand{font-weight:700;font-size:1.5rem;color:var(--navy);text-decoration:none;letter-spacing:.02em}
.brand span{color:var(--blue)}
nav a{color:var(--navy);text-decoration:none;font-size:.9rem;font-weight:600;margin-left:18px;padding:24px 0;border-bottom:3px solid transparent}
nav a:hover,nav a.on{color:var(--blue);border-bottom-color:var(--blue)}
.burger{display:none;font-size:1.6rem;color:var(--navy);cursor:pointer}

/* diaporama */
.slider{position:relative;height:560px;overflow:hidden;background:var(--navy)}
.slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1.2s}
.slide.on{opacity:1}
.slide:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,26,72,.85),rgba(11,26,72,.35))}
.caption{position:relative;height:100%;display:flex;flex-direction:column;justify-content:center;color:#fff}
.caption h1{font-size:2.6rem;line-height:1.2;margin:0 0 12px;max-width:760px}
.caption .tag{font-size:1.2rem;margin:0 0 8px}
.caption .meta{margin:0 0 24px;opacity:.9}
.btn{align-self:flex-start;background:var(--gold);color:var(--navy);padding:11px 26px;font-weight:700;text-decoration:none;border-radius:3px}
.dots{position:absolute;bottom:20px;left:0;right:0;text-align:center}
.dots button{width:12px;height:12px;border-radius:50%;border:2px solid #fff;background:transparent;margin:0 5px;cursor:pointer;padding:0}
.dots button.on{background:#fff}

/* bandeau titre des pages */
.band-title{background:var(--navy) url(assets/hero.jpg) center/cover;background-blend-mode:multiply;color:#fff;padding:44px 0}
.band-title .conf{margin:0;font-size:.95rem;opacity:.85}
.band-title h1{margin:4px 0 0;font-size:2.2rem}

/* contenu */
.content{padding:40px 16px 56px}
.content h2{color:var(--navy);font-size:1.45rem;margin:36px 0 12px;padding-bottom:6px;border-bottom:1px solid var(--line)}
.content h2:first-child{margin-top:0}
.content h3{color:var(--blue);font-size:1.08rem;margin:26px 0 6px}
table{border-collapse:collapse;width:100%;margin:8px 0 16px}
td,th{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:var(--pale);color:var(--navy)}
.dates{max-width:620px}.dates td:last-child{font-weight:600;color:var(--navy);white-space:nowrap}
.prog td:first-child,.ipc td:first-child{font-weight:600;color:var(--navy);width:140px;white-space:nowrap}
.fees{max-width:620px}
.committee{display:grid;grid-template-columns:260px 1fr;margin:0}
.committee dt{font-weight:700;color:var(--navy);padding:10px 0;border-bottom:1px solid var(--line)}
.committee dd{margin:0;padding:10px 0;border-bottom:1px solid var(--line)}
.map iframe{width:100%;height:360px;border:1px solid var(--line)}

/* partenaires et pied */
.partners{background:var(--pale);padding:36px 0}
.partners h2{font-size:1.05rem;color:var(--navy);text-transform:uppercase;letter-spacing:.06em;margin:18px 0 14px}
.logos{display:flex;flex-wrap:wrap;align-items:center;gap:22px}
.logos img{height:80px;width:auto;background:#fff;padding:8px}
.logos img.main{height:110px}
footer{background:var(--navy);color:#fff;padding:26px 0;font-size:.92rem}
footer p{margin:4px 0}
footer a{color:var(--gold)}
.credits{opacity:.6;font-size:.8rem}

@media(max-width:1000px){
  .burger{display:block}
  nav{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:6px 16px 12px}
  nav a{display:block;margin:0;padding:10px 0;border:0}
  #menu:checked~nav{display:block}
  .slider{height:460px}
  .caption h1{font-size:1.7rem}
  .committee{grid-template-columns:1fr}
  .committee dt{border:0;padding-bottom:0}
  .prog td:first-child,.ipc td:first-child{width:auto;white-space:normal}
}