:root{
  --bg:#05060a;
  --glass:rgba(0,0,0,.28);
  --glassBorder:rgba(255,255,255,.10);
  --text:rgba(255,255,255,.92);
  --accent1:#ff2dbd;
  --accent2:#23d5ff;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:var(--bg);overflow-x:hidden}

.bg{position:fixed;inset:0;z-index:-3;background:var(--bg)}
.bg__video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:none}
.bg__overlay{position:absolute;inset:0;background:rgba(0,0,0,.08)} /* moins sombre = plus d'éclat */
.bg__vignette{position:absolute;inset:-30%;background:radial-gradient(closest-side, rgba(0,0,0,0) 35%, rgba(0,0,0,.26) 100%);pointer-events:none}

.topbar{position:fixed;left:0;right:0;top:0;z-index:50;padding:18px 16px 0}
.topbar__inner{max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 16px;border-radius:999px;border:1px solid var(--glassBorder);background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 10px 40px rgba(0,0,0,.35)}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none}
.brand__logo{width:28px;height:28px;object-fit:contain}
.brand__name{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;opacity:.92}

.nav{display:flex;align-items:center;gap:10px}
.nav__btn{position:relative;display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.10);background:rgba(255,255,255,.05);color:rgba(255,255,255,.86);text-decoration:none;font-size:12px;font-weight:600;transition:transform .15s ease,background .2s ease,color .2s ease,border-color .2s ease}
.nav__btn>span{position:relative;padding-bottom:3px}
.nav__btn>span:after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:99px;background:linear-gradient(90deg,var(--accent1),var(--accent2));opacity:.9;transform:scaleX(.75);transform-origin:center;transition:transform .2s ease,opacity .2s ease}
.nav__btn:hover{background:rgba(255,255,255,.09);color:rgba(255,255,255,.96);transform:translateY(-1px);border-color:rgba(255,255,255,.16)}
.nav__btn:hover>span:after{transform:scaleX(1);opacity:1}

.nav__burger{display:none;width:42px;height:38px;border-radius:999px;border:1px solid rgba(255,255,255,.10);background:rgba(255,255,255,.05);cursor:pointer;align-items:center;justify-content:center;gap:4px}
.nav__burger span{display:block;width:16px;height:2px;background:rgba(255,255,255,.85);border-radius:999px}

.navmobile{max-width:1180px;margin:10px auto 0;border-radius:18px;border:1px solid rgba(255,255,255,.10);background:rgba(0,0,0,.35);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);padding:10px}
.navmobile__link{display:block;padding:12px 14px;color:rgba(255,255,255,.92);text-decoration:none;border-radius:14px}
.navmobile__link:hover{background:rgba(255,255,255,.06)}

.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:120px 16px 70px}
.hero__center{text-align:center;width:min(900px,92vw)}
.hero__logo{width:min(360px,78vw);height:auto;display:block;margin:0 auto 18px;filter:drop-shadow(0 12px 40px rgba(0,0,0,.40))}
.hero__tagline{margin:0 auto;font-size:13px;line-height:1.7;color:rgba(255,255,255,.80)}
.hero__tagline .glow{font-weight:700;background:linear-gradient(90deg,var(--accent1),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 0 10px rgba(255,45,189,.34),0 0 18px rgba(35,213,255,.28),0 0 30px rgba(255,255,255,.12);
}

.social{position:fixed;right:18px;bottom:24px;display:flex;flex-direction:column;gap:10px}
.social__btn{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.12);background:rgba(0,0,0,.30);color:rgba(255,255,255,.9);text-decoration:none;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 8px 28px rgba(0,0,0,.35);transition:transform .15s ease,background .2s ease}
.social__btn:hover{transform:translateY(-2px);background:rgba(255,255,255,.06)}

@media (max-width:860px){
  .nav{display:none}
  .nav__burger{display:inline-flex}
  .topbar{padding-top:14px}
  .topbar__inner{padding:12px 14px}
}

/* Conteneur des icônes (optionnel) */
.socials {
  position: fixed;
  right: 24px;
  bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 50;
}

/* Boutons */
.social-btn {
  width: 46px;
  height: 46px;
  border-radius: 14px;

  display: grid;
  place-items: center;

  /* Glass premium */
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(10px);

  /* Le + important : rendre lisible sur fond sombre */
  color: rgba(255, 255, 255, 0.92);

  /* Relief */
  box-shadow:
    0 10px 28px rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

/* Si tu utilises des SVG inline : forcer la couleur */
.social-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Si tu utilises des <img> pour les icônes : les “blanchir” */
.social-btn img {
  width: 20px;
  height: 20px;
  display: block;
  /* Rend l’icône visible même si elle est noire */
  filter: brightness(0) invert(1) drop-shadow(0 0 10px rgba(255,255,255,0.25));
}

/* Hover premium + petit glow */
.social-btn:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.10);
  border-color: rgba(255, 255, 255, 0.30);
  box-shadow:
    0 16px 40px rgba(0, 0, 0, 0.65),
    0 0 0 2px rgba(236, 72, 153, 0.18),   /* rose */
    0 0 0 6px rgba(14, 165, 233, 0.10);   /* azur */
}

/* Focus clavier */
.social-btn:focus-visible {
  outline: none;
  box-shadow:
    0 0 0 2px rgba(236, 72, 153, 0.35),
    0 0 0 6px rgba(14, 165, 233, 0.20),
    0 16px 40px rgba(0, 0, 0, 0.65);
}
.social-btn {
  color: rgba(255,255,255,0.94);
}

.social-svg {
  width: 22px;
  height: 22px;
  display: block;
  fill: currentColor;
  filter:
    drop-shadow(0 0 8px rgba(255,255,255,0.25))
    drop-shadow(0 0 18px rgba(35,213,255,0.10))
    drop-shadow(0 0 18px rgba(255,45,189,0.10));
}

.social-btn:hover .social-svg {
  filter:
    drop-shadow(0 0 10px rgba(255,255,255,0.35))
    drop-shadow(0 0 22px rgba(35,213,255,0.16))
    drop-shadow(0 0 22px rgba(255,45,189,0.16));
}