/* Reset and base styles */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --maroon: #7a001a;
  --maroon-dark: #4a000f;
  --text: #e9f0f7;
  --muted: #cbd6e3;
  --glass: rgba(255,255,255,.08);
  --glass-border: rgba(255,255,255,.22);
  --radius: 16px;
}

html, body { height: 100%; }

body {
  min-height: 100dvh;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto;
  color: var(--text);
  background-color: #0b0f14;
  /* silver galaxy starscape background */
  background-image:
    radial-gradient(circle at 15% 25%, rgba(255,255,255,.9) 0 2px, transparent 2px),
    radial-gradient(circle at 60% 60%, rgba(200,210,235,.8) 0 1px, transparent 1px),
    radial-gradient(circle at 85% 15%, rgba(180,200,255,.9) 0 1px, transparent 1px),
    linear-gradient(#0b0f14, #0a0f15 60%, #0b0b12);
  background-size: 60px 60px, 70px 70px, 90px 90px, cover;
  background-repeat: repeat, repeat, repeat, no-repeat;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main { padding: 2rem 1rem; width: 100%; display: block; }

.image-frame {
  width: min(92vw, 860px);
  margin: 2rem auto;
  padding: 12px;
  border-radius: calc(var(--radius) + 4px);
  background: rgba(14, 18, 24, 0.6); /* frosted glass */
  border: 1px solid rgba(255,255,255,.20);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 10px 25px rgba(0,0,0,.4);
}

.image-frame img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  outline: 1px solid rgba(255,255,255,.15);
  outline-offset: 2px;
}

footer {
  padding: 1.5rem 1rem 2rem;
  text-align: center;
}

.product-ad {
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
  padding: 14px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(122,0,22,.7), rgba(68,0,0,.85));
  border: 1px solid rgba(255,255,255,.25);
  color: #fff;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  text-align: left;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.15);
}

.product-ad h3 {
  font-size: 1.05rem;
  color: #ffdbe6;
  margin-bottom: .5rem;
}

.product-ad a {
  display: block;
  text-decoration: none;
  color: inherit;
  margin-top: .25rem;
}

.product-ad a p {
  display: inline-block;
  margin: .25rem 0;
  padding: .8rem 1rem;
  background: rgba(255,255,255,.16);
  border-radius: 8px;
  font-weight: 600;
  color: #fff;
  transition: transform .2s ease, background .2s ease;
}

.product-ad a:hover p,
.product-ad a:focus-visible p {
  transform: translateY(-1px);
  background: rgba(255,255,255,.28);
  outline: none;
}

footer p {
  margin-top: .75rem;
  color: var(--muted);
  font-size: .9rem;
}

a, a:visited {
  color: #ffd9e7;
}

a:focus-visible {
  outline: 3px solid #ffd8e3;
  outline-offset: 2px;
  border-radius: 6px;
}

@media (min-width: 768px) {
  main { padding: 3rem 2rem; }
  .image-frame { padding: 16px; }
}

@media (min-width: 1024px) {
  .image-frame { padding: 20px; }
  footer { padding: 2rem 1rem 3rem; }
}