/* Minimal, mobile-first cyberpunk UI with frosted glass and green-dot backdrop */
:root{
  --green: #2cff66;
  --green-soft: rgba(44,255,102,.9);
  --purple: #8a2be2;
  --bg: #1a0f2f;
  --glass: rgba(255,255,255,.08);
  --glass-border: rgba(255,255,255,.25);
  --fg: #e9e0ff;
  --shadow: 0 8px 40px rgba(0,0,0,.4);
}
*,
*::before,
*::after { box-sizing: border-box; }
html, body { padding: 0; margin: 0; }
html { color-scheme: dark; }
body {
  min-height: 100vh;
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto;
  color: var(--fg);
  background: var(--bg);
  /* green dot pattern over purple-tinted base */
  background-image:
    radial-gradient(circle, rgba(44,255,102,.9) 2px, transparent 2px),
    radial-gradient(circle, rgba(44,255,102,.6) 2px, transparent 2px);
  background-size: 22px 22px, 22px 22px;
  background-position: 0 0, 11px 11px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
main {
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  width: 100%;
}
.image-frame {
  width: min(92vw, 900px);
  border-radius: 20px;
  padding: 1rem;
  background: rgba(10,0,40,.55);
  border: 1px solid rgba(255,255,255,.25);
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px) saturate(1.3);
  -webkit-backdrop-filter: blur(6px) saturate(1.3);
}
.image-frame img {
  width: 100%; height: auto; display: block;
  border-radius: 12px;
}
footer {
  width: 100%;
  display: grid;
  place-items: center;
  padding: 1.5rem 1rem;
}
.product-ad {
  display: block;
  padding: 1rem;
  border-radius: 14px;
  background: rgba(24,0,60,.55);
  border: 1px solid rgba(255,255,255,.25);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  max-width: min(92vw, 580px);
  transition: transform .2s ease;
}
.product-ad:hover { transform: translateY(-2px); }
.product-ad h3 {
  margin: 0 0 .5rem;
  font-size: 1rem;
  color: #9cffb9;
}
.product-ad a {
  text-decoration: none;
  display: inline-block;
  padding: .75rem 1.1rem;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(0,255,170,.95), rgba(0,255,100,.85));
  color: #041a0d;
  font-weight: 700;
  border: 1px solid rgba(0,0,0,.15);
  box-shadow: 0 6px 14px rgba(0,0,0,.25);
}
.product-ad a:hover { filter: brightness(1.05); }
footer p { margin: .5rem 0 0; color: rgba(255,255,255,.75); text-shadow: 0 1px 0 rgba(0,0,0,.25); }

/* Focus styles for accessibility */
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 2px;
}

/* Responsive tweaks */
@media (min-width: 768px) {
  main { padding: 3rem 0; }
  .image-frame { padding: 1.25rem; border-radius: 22px; }
  .product-ad { padding: 1.25rem 1.5rem; }
  .product-ad h3 { font-size: 1.05rem; }
}
@media (min-width: 1024px) {
  .image-frame { max-width: 960px; }
  .product-ad { display: inline-flex; align-items: center; gap: 1rem; }
  footer { padding: 2rem 0; }
}