/* Base (commun à tout le site) */
:root{
  --bg:#0b1220;
  --bg-2:#0e1626;
  --surface:#111a2e;
  --text:#e9eeff;
  --muted:#a7b3c9;
  --line:#1b2640;
  --primary-1:#8c4bff;
  --primary-2:#ff3ea5;
  --radius:16px;
}

*{box-sizing:border-box}
html,body{height:100%}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Montserrat,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  background:linear-gradient(180deg,var(--bg),#0a1120 40%, #0a101a 100%);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
main{flex:1}
/* Images par défaut responsives */
img, picture{max-width:100%;height:auto;display:block}

.container{width:min(1200px,100% - 48px);margin-inline:auto}
.container.narrow{width:min(1000px,100% - 48px)}
.container.center{text-align:center}

/* Brand & accents */
.brand{font-weight:800;letter-spacing:.5px;text-decoration:none;color:#fff}
.brand img{display:block;height:96px}
.brand svg{display:block;height:96px;width:auto}
.brand svg path,
.brand svg rect,
.brand svg circle,
.brand svg ellipse,
.brand svg polygon,
.brand svg line{
  fill:#fff;stroke:#fff
}
@media (max-width: 560px){
  .brand img{height:72px}
  .brand svg{height:72px}
}
.accent{background:linear-gradient(90deg,var(--primary-1),var(--primary-2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

.divider{width:120px;height:6px;border-radius:8px;background:linear-gradient(90deg,var(--primary-1),var(--primary-2));margin:8px auto 0}
.divider.under{display:inline-block;vertical-align:middle;margin:0 0 0 12px;height:5px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;backdrop-filter:saturate(1.2) blur(8px);background:linear-gradient(180deg,rgba(0,0,0,.55),rgba(0,0,0,.35) 60%, transparent)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
.menu{display:flex;gap:24px}
.menu .menu-close{display:none}
.menu a{position:relative;color:#e9eeff;text-decoration:none;padding:10px 2px;font-weight:500;opacity:.9}
.menu a:hover{opacity:1}
.menu a.active::after,.menu a:hover::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--primary-1),var(--primary-2))}
.menu-toggle{display:none;background:none;border:1px solid var(--line);color:#fff;border-radius:10px;padding:6px 10px}

/* Buttons */
.btn{--pad:14px 22px;display:inline-block;padding:var(--pad);border-radius:12px;text-decoration:none;font-weight:700;border:1px solid transparent;transition:transform .15s ease,opacity .15s ease,box-shadow .15s ease}
.btn-primary{background:linear-gradient(90deg,var(--primary-1),var(--primary-2));color:#fff;box-shadow:0 10px 24px rgba(255,62,165,.25)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,62,165,.32)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.06)}
.btn-light{--pad:14px 28px;background:#fff;color:#0c1220}
.btn-light:hover{box-shadow:0 10px 30px rgba(255,255,255,.25);transform:translateY(-2px)}

/* Footer base (liens légaux communs) */
.legal{border-top:1px solid rgba(255,255,255,.08);padding:16px 0;background:#070b13}
.legal__inner{display:flex;justify-content:space-between;align-items:center;gap:16px}
.legal__links{display:flex;gap:16px}
.legal__links a{color:#cbd6f4;text-decoration:none;opacity:.9}
.legal__links a:hover{opacity:1}

/* Footer grid (commun) */
.site-footer{background:linear-gradient(180deg,#0c1526,#0a0f19);border-top:1px solid rgba(255,255,255,.06)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding:36px 0 28px}
.footer-grid > *{min-width:0}
.footer-brand .brand{font-size:22px;display:inline-block;margin-bottom:10px}
.footer-title{color:#b083ff;margin:0 0 10px;font-size:20px}
.list-dots{list-style:disc;margin-left:18px}
.list-arrows{list-style:none;padding:0;margin:0}
.list-arrows li{margin:10px 0}
.list-arrows li a{color:#dfe6ff;text-decoration:none}
.list-arrows li a::before{content:"→ ";color:#b083ff;margin-right:6px}
.list-arrows li a:hover{text-decoration:underline}

/* Contact items */
.contact-items{display:grid;gap:14px}
.ci{display:flex;gap:12px;align-items:center}
.ci-icon{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--primary-1),var(--primary-2));}
.ci-icon svg{width:20px;height:20px}
.ci-body{display:grid}
.ci-label{color:#a7b3c9;font-size:13px}
.ci-value{color:#e9eeff;text-decoration:none}
.ci-value:hover{text-decoration:underline}
.socials{display:flex;gap:12px;margin-top:12px}
.social{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;border:1px solid rgba(255,255,255,.12);text-decoration:none;color:#fff;opacity:.9}
.social:hover{opacity:1;background:rgba(255,255,255,.06)}
.list{list-style:none;margin:10px 0 0;padding:0}
.list li{margin:8px 0;color:#c9d3ea}
.list a{color:#dfe6ff;text-decoration:none}
.list a:hover{text-decoration:underline}

/* Responsive header / Off-canvas menu simple (sans overlay ni croix) */
@media (max-width: 900px){
  .menu-toggle{display:block}
  .menu{
    position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);
    display:flex;flex-direction:column;gap:12px;
    padding:20px 18px 28px;background:linear-gradient(180deg,#0e1424,#0a0f19);
    border-left:1px solid rgba(255,255,255,.08);
    transform:translateX(100%);transition:transform .25s ease;
    z-index:1000
  }
  .menu.open{transform:translateX(0)}
  .menu a{padding:12px 6px}
  body.menu-open{overflow:hidden}
}

@media (max-width: 900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
}
@media (max-width: 560px){
  .footer-grid{grid-template-columns:1fr;gap:18px}
}