:root{
  --bg: #0b0b13;
  --panel: rgba(25,28,60,.65);
  --text: #e7eaff;
  --coral: #ff6b6b;
  --neon: #00e6ff;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial;
  color: var(--text);
  background-color: var(--bg);
  /* magenta striped background */
  background-image: repeating-linear-gradient(135deg, rgba(255,0,180,.25) 0 12px, transparent 12px 24px);
  background-size: 24px 24px;
  line-height: 1.45;
}
main { min-height: calc(100vh - 160px); display: block; padding: 1.25rem 1rem; }
.image-frame {
  width: min(92vw, 680px);
  margin: 2rem auto;
  padding: 1rem;
  border-radius: 14px;
  background: rgba(25,28,60,.65); /* frosted glass panel */
  border: 1px solid rgba(255,255,255,.18);
  box-shadow: 0 20px 45px rgba(0,0,0,.5);
  display: grid;
  place-items: center;
  backdrop-filter: blur(6px) saturate(1.2);
  -webkit-backdrop-filter: blur(6px) saturate(1.2);
}
.image-frame img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.15);
  box-shadow: 0 8px 20px rgba(0,0,0,.4);
}
footer {
  padding: 1rem;
  text-align: center;
  color: #cbd5e1;
  background: rgba(4,6,20,.5);
  border-top: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}
.product-ad {
  display: inline-block;
  padding: .6rem .9rem;
  margin: .25rem 0 0;
  border-radius: 999px;
  background: rgba(20,20,40,.66);
  border: 1px solid rgba(255,255,255,.22);
  box-shadow: 0 6px 16px rgba(0,0,0,.4);
}
.product-ad h3 {
  margin: 0 0 .25rem;
  font-size: .95rem;
  color: #ffd6e3;
}
.product-ad a {
  display: inline-block;
  padding: .65rem 1.1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #ff6b6b, #ff3d81);
  color: #1a0b0a;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid rgba(255,255,255,.6);
  box-shadow: 0 4px 12px rgba(255,0,120,.5);
  transition: transform .2s ease, box-shadow .2s ease;
}
.product-ad a:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(255,120,160,.75); }
.product-ad a:focus-visible { outline: 3px solid var(--neon); outline-offset: 2px; }
footer p { margin: 0.25rem 0 0; color: #aab; font-size: .92rem; }

@media (min-width: 640px){
  main { padding: 2rem 2rem; }
  .image-frame { width: min(70vw, 760px); }
  .product-ad { font-size: 1.05rem; }
}
@media (min-width: 1024px){
  .image-frame { margin: 3rem auto; padding: 1.25rem; }
  footer { padding: 1.25rem 0; }
}