/* Portada de APOD Explorer (se carga después de common.css) */
.stars, .stars::after {
  position: fixed; inset: 0; pointer-events: none; content: "";
  background-image:
    radial-gradient(1px 1px at 12% 22%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 33% 68%, rgba(255,255,255,.7) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 47% 12%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 61% 41%, rgba(255,255,255,.8) 50%, transparent 51%),
    radial-gradient(1px 1px at 72% 79%, rgba(255,255,255,.6) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 84% 19%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 91% 56%, rgba(255,255,255,.75) 50%, transparent 51%),
    radial-gradient(1px 1px at 22% 88%, rgba(255,255,255,.65) 50%, transparent 51%),
    radial-gradient(1.2px 1.2px at 6% 52%, rgba(255,255,255,.85) 50%, transparent 51%),
    radial-gradient(1px 1px at 55% 92%, rgba(255,255,255,.5) 50%, transparent 51%);
}
.stars::after { transform: scale(-1, 1); opacity: .6; }
main { position: relative; max-width: 46rem; margin: 0 auto; padding: 1.5rem 1.5rem 3rem; }
.hero { text-align: center; }
.hero img.icon {
  width: 148px; height: 148px; border-radius: 33px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, .55), 0 0 0 1px rgba(255, 255, 255, .08);
}
h1 { font-size: 2.4rem; margin: 1.4rem 0 .3rem; letter-spacing: -.02em; }
.tagline { font-size: 1.2rem; color: var(--ink); margin: 0; }
.store-badge {
  display: inline-block; margin-top: 1.8rem;
  transition: transform .15s ease, opacity .15s ease;
}
.store-badge:hover { transform: translateY(-2px); opacity: .9; }
.store-badge:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; border-radius: 8px; }
.store-badge img { height: 52px; display: block; }
.features {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: .9rem; margin: 3rem 0 0; padding: 0; list-style: none;
}
.features li {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: 14px; padding: 1rem 1.1rem;
}
.features .emoji { font-size: 1.4rem; display: block; margin-bottom: .35rem; }
.features strong { display: block; margin-bottom: .15rem; }
.features span.desc { color: var(--muted); font-size: .92rem; }
.links { display: flex; flex-wrap: wrap; gap: .9rem; justify-content: center; margin-top: 3rem; }
.links a {
  color: var(--ink); text-decoration: none; font-weight: 600;
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: 12px; padding: .8rem 1.5rem; transition: background .15s;
}
.links a:hover { background: rgba(255, 255, 255, .09); }
.links a small { display: block; font-weight: 400; color: var(--muted); font-size: .8rem; }
footer { border-top: none; margin-top: 4rem; }