:root {
  --yellow: #ffd600;
}

*, *::before, *::after {
  box-sizing: border-box;
}
html, body {
  height: 100%;
}
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system;
  color: #fff;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  /* magenta circuit-board vibe with yellow accents */
  background: #ff00ff;
  background-image:
    linear-gradient(135deg, rgba(255,0,255,.25), rgba(0,0,0,.15)),
    repeating-linear-gradient(90deg, rgba(255,215,0,.25) 0 2px, transparent 2px 40px),
    repeating-linear-gradient(0deg, rgba(255,215,0,.25) 0 2px, transparent 2px 40px);
  background-blend-mode: overlay, overlay, overlay;
}
main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 1rem;
  width: 100%;
}
.image-frame {
  width: min(92vw, 900px);
  aspect-ratio: 16 / 9;
  border-radius: 20px;
  overflow: hidden;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .25);
  box-shadow: 0 16px 50px rgba(0,0,0,.5);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
footer {
  width: 100%;
  padding: 1.5rem 0;
}
.product-ad {
  width: min(92vw, 760px);
  margin: 0 auto;
  padding: 1rem 1.25rem;
  background: rgba(0,0,0,.28);
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.25);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.product-ad h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .3px;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}
.product-ad a { text-decoration: none; }
.product-ad p {
  margin: 0;
  padding: .65rem 1rem;
  border-radius: 999px;
  background: linear-gradient(#ffd600, #ffce00);
  color: #1a0d00;
  font-weight: 700;
  border: 1px solid rgba(0,0,0,.25);
  display: inline-block;
}
a:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 2px;
  border-radius: 6px;
}
.product-ad a p:hover {
  filter: brightness(1.05);
}
@media (min-width: 768px) {
  main { padding: 6rem 2rem; }
  .product-ad { justify-content: space-between; padding: 1rem 1.25rem; }
  .product-ad h3 { font-size: 1.05rem; }
}
@media (min-width: 1024px) {
  main { padding: 8rem 2rem; }
  .image-frame { border-radius: 22px; }
}