/* Light reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
:root {
  --maroon-start: #3b0000;
  --maroon-mid:   #7a001a;
  --maroon-end:   #2b0000;
  --glass:        rgba(255,255,255,0.08);
  --glass-border: rgba(255,255,255,0.25);
  --text: #e5e5e5;
  --text-dim: #bdbdbd;
  --bg-glass: rgba(0,0,0,0.28);
  --shadow: 0 8px 28px rgba(0,0,0,.4);
  --focus:  #bdbdbd;
}
body {
  min-height: 100vh;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto;
  color: var(--text);
  background: linear-gradient(135deg, var(--maroon-start) 0%, var(--maroon-mid) 40%, var(--maroon-end) 100%);
  position: relative;
  overflow-x: hidden;
}
/* Subtle cyberpunk grid overlay for depth (high-contrast friendly) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  opacity: .08;
  z-index: 0;
}
/* Layout container layers behind content for frosted effect */
main, footer { position: relative; z-index: 1; }

/* Mobile-first, center hero with frosted glass card for the image frame */
main {
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  min-height: 70vh;
}
.image-frame {
  width: 100%;
  max-width: 720px;
  padding: 1rem;
  border-radius: 18px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(6px) saturate(120%);
  -webkit-backdrop-filter: blur(6px) saturate(120%);
  box-shadow: var(--shadow);
}
.image-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.25);
  background: #111;
}
footer {
  text-align: center;
  padding: 1.75rem 1rem 2rem;
  color: #e9e9e9;
}
.product-ad {
  display: inline-block;
  padding: .5rem .8rem;
  border-radius: 999px;
  background: rgba(0,0,0,.28);
  border: 1px solid rgba(255,255,255,.25);
  margin-bottom: .75rem;
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}
.product-ad h3 {
  margin: 0 0 .25rem;
  font-size: 0.92rem;
  font-weight: 700;
  color: #f2f2f2;
}
.product-ad a {
  display: inline-block;
  text-decoration: none;
  color: #e9e9e9;
  padding: .45rem .75rem;
  border-radius: 6px;
  background: linear-gradient(#1a1a1a, #0f0f0f);
  border: 1px solid rgba(255,255,255,.25);
  transition: transform .2s ease, background .2s ease;
}
.product-ad a p { margin: 0; display: inline; padding-left: .25rem; }
.product-ad a:hover {
  transform: translateY(-1px);
  background: linear-gradient(#242424, #141414);
}
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 6px;
}
@media (min-width: 600px) {
  main { padding: 3rem 2rem; min-height: 75vh; }
  .image-frame { padding: 1.25rem; }
}
@media (min-width: 900px) {
  .image-frame { max-width: 860px; padding: 1.5rem; }
  .product-ad { padding: .6rem .95rem; }
  .product-ad h3 { font-size: 1rem; }
}
```