:root{
  color-scheme:dark;
  --bg:#020305;
  --text:#f6f8fb;
  --muted:#cbd3df;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg)}
body{min-height:100vh;color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
button,a{-webkit-tap-highlight-color:transparent}

.page{position:relative;min-height:100svh;overflow:hidden;isolation:isolate;background:#020305}
#stars{position:fixed;inset:0;z-index:-3;width:100%;height:100%;pointer-events:none}
.space-glow{position:fixed;inset:0;z-index:-2;pointer-events:none;background:radial-gradient(circle at 50% 42%,rgba(28,57,91,.10),transparent 29%),linear-gradient(180deg,rgba(0,0,0,.04),rgba(0,0,0,.24) 58%,rgba(0,0,0,.55))}

.hero{position:relative;z-index:1;width:min(1040px,calc(100% - 40px));min-height:100svh;margin:0 auto;padding:max(34px,env(safe-area-inset-top)) 0 calc(150px + env(safe-area-inset-bottom));display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}

/* Instalación: tarjeta transparente, familia visual de la tarjeta digital */
.app-actions{display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px;position:relative;z-index:50}
#installBanner{position:relative;display:none;z-index:50}
#installBtn{position:relative;z-index:51;padding:10px 18px;font-weight:700;border-radius:12px;cursor:pointer;border:1px solid rgba(255,255,255,.42);font-size:14px;line-height:1;min-height:38px;text-align:center;background:rgba(255,255,255,.02);color:#fff;box-shadow:0 10px 28px rgba(0,0,0,.22),inset 0 1px 0 rgba(255,255,255,.05),0 0 12px rgba(255,255,255,.025);backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);text-shadow:0 1px 8px rgba(0,0,0,.68);transition:background .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease}
#installBtn:hover,#installBtn:focus-visible{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.70);box-shadow:0 12px 30px rgba(0,0,0,.24),inset 0 1px 0 rgba(255,255,255,.07),0 0 16px rgba(255,255,255,.045);outline:none}
#installBtn:focus-visible,#shareBtn:focus-visible{outline:2px solid rgba(255,255,255,.72);outline-offset:3px}

.hero__earth{display:block;width:clamp(210px,31vw,410px);height:auto;margin:-3px auto 5px;filter:drop-shadow(0 0 24px rgba(46,122,190,.11));user-select:none;pointer-events:none}
.hero__title{margin:0;font-size:clamp(2.25rem,5.3vw,5.3rem);line-height:.95;letter-spacing:-.055em;font-weight:850;text-shadow:0 2px 18px rgba(0,0,0,.7)}
.hero__statement{margin-top:22px;max-width:980px}
.hero__statement p{margin:0;color:#fff;font-size:clamp(1rem,1.32vw,1.2rem);line-height:1.48;font-weight:700;text-shadow:0 2px 14px rgba(0,0,0,.66)}

.bottom-area{position:absolute;left:50%;bottom:max(14px,env(safe-area-inset-bottom));transform:translateX(-50%);z-index:2;width:calc(100% - 32px);display:flex;flex-direction:column;align-items:center;text-align:center}
.footer{color:#acb6c5;font-size:.82rem;line-height:1.42;text-shadow:0 2px 10px rgba(0,0,0,.72)}
.footer p{margin:0}
.footer p+p{margin-top:2px}
.footer a{color:#d8e0eb;text-decoration:none;text-underline-offset:3px}
.footer a:hover,.footer a:focus-visible{color:#fff;text-decoration:underline}

/* Compartir: tarjeta transparente, familia visual de la tarjeta digital */
.share-footer-action{display:flex;justify-content:center;margin-top:14px;margin-bottom:0;position:relative;z-index:50}
#shareBtn{padding:8px 14px;border:1px solid rgba(255,255,255,.42);background:rgba(255,255,255,.02);color:#fff;border-radius:12px;font-weight:700;cursor:pointer;font-size:14px;line-height:1;min-height:34px;width:110px;text-align:center;box-shadow:0 10px 28px rgba(0,0,0,.22),inset 0 1px 0 rgba(255,255,255,.05),0 0 12px rgba(255,255,255,.025);backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);text-shadow:0 1px 8px rgba(0,0,0,.68);transition:background .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease}
#shareBtn:hover,#shareBtn:focus-visible{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.70);box-shadow:0 12px 30px rgba(0,0,0,.24),inset 0 1px 0 rgba(255,255,255,.07),0 0 16px rgba(255,255,255,.045)}

@media(max-width:700px){
  .hero{width:min(100% - 28px,620px);padding-top:max(24px,env(safe-area-inset-top));padding-bottom:calc(150px + env(safe-area-inset-bottom))}
  .app-actions{margin-bottom:10px}
  #installBtn{font-size:13px;padding:9px 16px;min-height:36px}
  .hero__earth{width:clamp(180px,57vw,260px);margin-bottom:8px}
  .hero__title{font-size:clamp(2rem,11.4vw,3.2rem)}
  .hero__statement{margin-top:18px}
  .hero__statement p{font-size:.96rem;line-height:1.46}
  .bottom-area{bottom:max(12px,env(safe-area-inset-bottom))}
  .footer{font-size:.78rem}
  .share-footer-action{margin-top:11px}
  #shareBtn{font-size:13px;min-height:33px}
}

@media(max-height:760px) and (min-width:701px){
  .hero{padding-top:24px;padding-bottom:135px}
  .hero__earth{width:clamp(170px,23vw,285px)}
  .hero__statement{margin-top:14px}
}

@media(prefers-reduced-motion:reduce){
  #stars{opacity:.8}
}