:root{
  --bg:#0a0a0a; --fg:#ffffff; --muted:#bdbdbd; --accent:#0FA2D7;
  --btn-bg:#ffffff; --btn-fg:#0a0a0a; --radius:14px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
html,body{height:100%}

body{
  margin:0;
  background:var(--bg); color:var(--fg);
  font-family:'Inter',ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,"Helvetica Neue";
  line-height:1.45; overflow:hidden;
  text-rendering:optimizeLegibility; -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
}

/* Accesibilidad */
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:-999px;top:10px;background:#000;color:#fff;padding:.6rem 1rem;border-radius:8px;z-index:9999}
.skip:focus{left:10px;outline:2px solid var(--accent)}

/* Fondo */
#bg{
  position:fixed; inset:0; width:100%; height:100%; display:block;
  background:radial-gradient(1200px 800px at 20% 10%, #0f1220 0%, #0a0a0a 55%, #060606 100%);
  z-index:0;
}

/* Hero */
.hero{
  position:relative; z-index:1; min-height:100dvh;
  display:grid; place-items:center;
  padding:clamp(24px,5vw,64px); text-align:center;
}

.brand .logo{
  width:clamp(110px,16vw,160px); height:auto;
  filter:drop-shadow(var(--shadow)); user-select:none; margin-bottom:8px;
}

/* Tipografías */
.hero-h1, .tag{ font-family:'Poppins', 'Inter', sans-serif; font-weight:800; }
.hero-h1{
  margin:10px auto 6px;
  font-size:clamp(22px,4.2vw,36px);
  letter-spacing:.2px;
}
.tag{
  margin: 6px 0 6px;
  font-size:clamp(18px,2.6vw,26px);
  font-weight:800;
}
.subtag{
  margin:0 0 28px;
  font-size:clamp(14px,1.8vw,18px);
  color:var(--muted);
  font-weight:600;
  letter-spacing:.3px;
}

/* CTA */
.cta-wrap{
  display:flex; gap:14px; justify-content:center; align-items:center; flex-wrap:wrap;
}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:12px 18px; border-radius:var(--radius);
  border:1px solid transparent; text-decoration:none; font-weight:700;
  transition:transform .2s ease, box-shadow .2s ease, opacity .4s ease; outline-offset:3px;
  font-family:'Inter', sans-serif;
}
.btn-primary{ background:var(--btn-bg); color:var(--btn-fg); box-shadow:var(--shadow) }
.btn-primary:hover{ transform:translateY(-1px) }
.btn-primary:active{ transform:translateY(0) }
.btn-ghost{ background:transparent; border-color:rgba(255,255,255,.18); color:var(--fg) }
.btn-ghost:hover{ border-color:rgba(255,255,255,.35) }

#enter-btn{ opacity:0; transform:translateY(6px); pointer-events:none }
.show-enter #enter-btn{ opacity:1; transform:none; pointer-events:auto }

/* Noscript */
.noscript-note{
  position:fixed; bottom:10px; left:50%; transform:translateX(-50%);
  background:rgba(0,0,0,.6); color:#fff; padding:8px 12px; border-radius:10px
}
/* Redes sociales */
.socials{
  display:flex;
  gap:14px;
  justify-content:center;
  align-items:center;
  margin: 8px 0 22px;
}
.soc{
  width:44px; height:44px;
  display:inline-flex; align-items:center; justify-content:center;
  border-radius:12px;
  background: rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  color:#d9d9d9;
  transition: transform .18s ease, border-color .18s ease, color .18s ease, background .18s ease;
}
.soc:hover{
  transform: translateY(-2px);
  border-color: rgba(255,255,255,.28);
  color:#ffffff;
  background: rgba(255,255,255,.10);
}
.soc:active{ transform: translateY(0) }

/* Motion sensitive users */
@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important}
}