/* Global reset and base styles (mobile-first) */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
:root {
  --bg-dark: #0b0f14;
  --bg-dim: #1b1f24;
  --bg-mid: #2a2f32;
  --gold-1: #f6d17a;
  --gold-2: #eaa019;
  --glow: 0 0 12px rgba(125, 255, 240, 0.6);
  --text: #e9e9e9;
  --muted: #cbd5e1;
  --glass: rgba(255, 255, 255, 0.08);
  --stroke: rgba(255, 255, 255, 0.25);
  --accent: #7df9ff;
}
body {
  min-height: 100vh;
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto;
  line-height: 1.5;
  /* Gold sunset gradient background */
  background: linear-gradient(135deg,
    #0b0f14 0%,
    #1b1f24 25%,
    #2a2f32 50%,
    #f0c46b 75%,
    #e08a22 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: block;
}
main { display: grid; place-items: center; padding: 2rem 1rem; }
.image-frame {
  width: min(92vw, 980px);
  border-radius: 16px;
  overflow: hidden;
  padding: 1rem;
  background: var(--glass);
  border: 1px solid var(--stroke);
  box-shadow: 0 20px 60px rgba(0,0,0,.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.image-frame img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  filter: saturate(1.05);
}
footer {
  padding: 1.75rem 1rem;
  text-align: center;
  color: var(--muted);
}
.product-ad {
  display: inline-block;
  padding: .5rem;
  border-radius: 12px;
  background: rgba(0,0,0,.25);
  border: 1px solid rgba(255,255,255,.25);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.product-ad h3 {
  margin: 0 0 .25rem;
  font-size: .95rem;
  color: var(--gold-1);
  letter-spacing: .5px;
}
.product-ad a { text-decoration: none; display: inline-block; }
.product-ad a p {
  margin: 0;
  padding: .65rem 1rem;
  border-radius: 999px;
  font-weight: 700;
  color: #0b0b0b;
  /* CTA with gold sunset gradient */
  background: linear-gradient(135deg, var(--gold-1) 0%, var(--gold-2) 60%, #e39e00 100%);
  border: 1px solid rgba(255,255,255,.75);
  box-shadow: 0 6px 16px rgba(0,0,0,.3);
}
a:focus-visible, .product-ad:focus-visible, .product-ad a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
a, button { color: inherit; text-decoration: none; }
.product-ad a p:hover { filter: brightness(1.05); transform: translateY(-1px); transition: transform .15s ease, filter .15s ease; }

/* Focus styles for accessibility on interactive elements in general */
:focus-visible {
  outline: 2px solid #7df9ff;
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(125, 255, 240, 0.15);
}
@media (min-width: 768px) {
  main { padding: 3rem 0; }
  .image-frame { padding: 1.25rem; border-radius: 20px; }
  .product-ad h3 { font-size: 1rem; }
}
```