/* —— Design premium, épuré —— */
:root{
  --text:#0e172a;
  --muted:#64748b;
  --card:#ffffff;
  --alt:#f6f8fc;
  --primary:#0ea5e9;
  --ring:rgba(14,165,233,.3);
  --radius:18px;
  --shadow:0 20px 40px rgba(2,6,23,.12);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial;
  color:var(--text); background:#fff; line-height:1.6;
}
img{max-width:100%;height:auto}

.wrap{width:min(1120px,92vw);margin:0 auto}
.section{padding:80px 0; scroll-margin-top:110px} /* compense le header sticky */
.section.alt{background:var(--alt)}
.muted{color:var(--muted)}
.grid{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:start}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}

.header{position:sticky;top:0;z-index:20;backdrop-filter:saturate(140%) blur(10px);background:rgba(255,255,255,.7);border-bottom:1px solid #e6eaf0}
.header .wrap{display:flex;align-items:center;justify-content:space-between;padding:12px 0;gap:12px}
.brand{font-weight:800;color:var(--text);text-decoration:none;font-size:18px}

/* NAV (desktop par défaut, overrides en mobile plus bas) */
.nav a{color:var(--text);text-decoration:none;margin-left:18px}
.nav .cta{padding:9px 14px;border:1px solid var(--text);border-radius:999px}

/* Bouton burger (masqué sur desktop, visible en mobile dans la MQ) */
.menu-toggle{display:none;background:transparent;border:0;font-size:28px;line-height:1;padding:8px 6px;cursor:pointer}

.hero{min-height:72vh;position:relative;display:flex;align-items:center;justify-content:center;background:#000}
.hero::before{content:"";position:absolute;inset:0;background:var(--hero, #000) center/cover no-repeat;filter:brightness(.72)}
.hero .overlay{position:absolute;inset:0;background:radial-gradient(98% 60% at 50% 50%, transparent 0, rgba(0,0,0,.25) 60%, rgba(0,0,0,.35) 100%)}
.hero-box{position:relative;color:#fff;text-align:center;padding:40px 0}
.hero h1{margin:0 0 10px;font-size:clamp(28px,4vw,48px);letter-spacing:.2px}
.hero p{margin:0 0 18px;font-size:clamp(16px,2.2vw,20px);opacity:.95}
.cta-line{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

.btn{display:inline-block;padding:12px 18px;border-radius:12px;background:var(--primary);color:#fff;text-decoration:none;box-shadow:0 8px 24px var(--ring)}
.btn:hover{filter:brightness(.96)}
.btn.ghost{background:transparent;border:2px solid #fff}
.btn.outline{background:transparent;border:2px solid var(--primary);color:var(--primary)}
.btn.full{width:100%;text-align:center}

.features{padding-left:18px;margin:12px 0}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
.chip{background:#eef5fb;border:1px solid #cfeaf9;color:#075985;border-radius:999px;padding:6px 10px;font-size:13px}

.cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.card img{display:block;width:100%;height:100%;object-fit:cover}

.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.gallery a{display:block;border-radius:12px;overflow:hidden;box-shadow:0 10px 20px rgba(2,6,23,.08)}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .25s ease}
.gallery a:hover img{transform:scale(1.03);cursor:zoom-in}

.poi{padding:16px}
.poi h3{margin:.2rem 0 .3rem}
.mini{font-size:14px;color:var(--primary);text-decoration:none}

.footer{background:#0f172a;color:#cbd5e1;padding:28px 0}
.foot{display:flex;align-items:center;justify-content:space-between}
.footnav a{color:#cbd5e1;margin-left:14px;text-decoration:none}
.footnav a:hover{text-decoration:underline}

.contact{background:linear-gradient(180deg, #fff 0, #f8fbff 100%)}
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:14px}

.lightbox{position:fixed;inset:0;background:rgba(2,6,23,.88);display:none;align-items:center;justify-content:center;z-index:999}
.lightbox img{max-width:92vw;max-height:88vh;border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lightbox .close{position:absolute;top:18px;right:22px;background:transparent;border:0;color:#fff;font-size:40px;cursor:pointer}

/* —— Responsive —— */

/* Repli des grilles */
@media (max-width:1000px){
  .grid{grid-template-columns:1fr;gap:22px}
  .cards{grid-template-columns:1fr 1fr}
  .grid-3{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .hero{min-height:56vh}
  .hero h1{font-size:clamp(24px,6vw,34px)}
  .hero p{font-size:clamp(14px,4.2vw,16px)}
}
@media (max-width:680px){
  .gallery{grid-template-columns:1fr 1fr}
  .cards{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .wrap{width:min(1120px,94vw)}
  .section{padding:56px 0}
}
@media (max-width:420px){
  .gallery,.grid-3{grid-template-columns:1fr}
  .section{padding:46px 0}
  .muted{color:#475569}
}

/* —— Navigation responsive fiable —— */
/* Mobile/Tablet ≤1100px : nav cachée par défaut, visible uniquement avec .open */
@media (max-width:1100px){
  .menu-toggle{display:inline-block}
  .nav{
    position:fixed;
    left:0; right:0;
    top:var(--header-h,64px);              /* fixé par JS pour suivre la hauteur du header */
    background:rgba(255,255,255,.98);
    backdrop-filter:blur(10px);
    border-bottom:1px solid #e6eaf0;
    padding:12px 18px;
    display:none;                           /* cachée par défaut */
    grid-auto-rows:min-content;
    gap:6px;
    z-index:50;
  }
  .nav.open{display:grid}                   /* visible quand burger ouvert */
  .nav a{margin:0;padding:10px 8px;font-size:16px}
  .nav .cta{border-radius:10px;text-align:center}
  .header .wrap{padding:10px 0;gap:10px}
}

/* Desktop ≥1101px : nav sur une ligne, burger caché */
@media (min-width:1101px){
  .nav{display:flex;gap:18px;white-space:nowrap}
  .menu-toggle{display:none}
}