/* Minimal reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }

/* Cyberpunk red-geometric backdrop + yellow accents */
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial;
  color: #f8f2d1;
  background-color: #2a0000;
  /* Red geometric pattern (lightweight, responsive) */
  background-image:
    linear-gradient(135deg, rgba(255,0,0,.65) 25%, transparent 25%),
    linear-gradient(225deg, rgba(255,0,0,.65) 25%, transparent 25%),
    linear-gradient(45deg, rgba(255,0,0,.65) 25%, transparent 25%),
    linear-gradient(315deg, rgba(255,0,0,.65) 25%, transparent 25%);
  background-size: 60px 60px;
  background-position: 0 0, 0 0, 0 0, 0 0;
  min-height: 100vh;
  display: block;
  /* Subtle glow to reinforce hacker vibe */
  text-rendering: geometricPrecision;
  image-rendering: pixelated;
}

/* Frosted glass utility for panels */
.glass {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 14px;
  backdrop-filter: saturate(1.2) blur(8px);
  -webkit-backdrop-filter: saturate(1.2) blur(8px);
  box-shadow: 0 8px 28px rgba(0,0,0,.28);
}

/* Layout: mobile-first, centered hero */
main {
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
}
.image-frame {
  width: min(92%, 760px);
  border-radius: 20px;
  padding: 0.75rem;
  background: rgba(0,0,0,0.25);
  border: 1px solid rgba(255,255,255,0.25);
  box-shadow: 0 20px 40px rgba(0,0,0,.4);
}
.image-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,.25);
}

/* Footer with frosted "Ad" panel and prominent CTA */
footer {
  padding: 1.75rem 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  background: rgba(0,0,0,.25);
}
.product-ad {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
  min-width: 240px;
  text-align: center;
  border-radius: 14px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.25);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.product-ad h3 {
  margin: 0 0 .5rem;
  color: #ffd54d;
  font-size: 1.05rem;
  text-shadow: 0 1px 0 rgba(0,0,0,.25);
}
.product-ad a {
  display: inline-block;
  padding: .65rem 1.15rem;
  border-radius: 8px;
  background: linear-gradient(135deg, #ffd24d, #ffc107);
  color: #111;
  font-weight: 800;
  text-decoration: none;
}
.product-ad a:hover { transform: translateY(-1px); box-shadow: 0 6px 14px rgba(0,0,0,.25); }
.product-ad a:focus-visible { outline: 3px solid #fff; outline-offset: 2px; }

/* Typography tweaks for future cyberpunk vibe */
h3 { color: #ffd54d; margin: 0; font-size: 1.05rem; }
a { color: inherit; text-decoration: none; }

/* Focus accessibility for all interactive elements */
a:focus-visible, button:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 2px;
  border-radius: 6px;
}

/* Responsive tweaks */
@media (min-width: 640px) {
  main { padding: 3rem 2rem; }
  .image-frame { width: min(80%, 820px); }
  footer { padding: 2rem; }
}
@media (min-width: 1024px) {
  body { background-size: 120px 120px; }
  .image-frame { border-radius: 28px; padding: 1rem; }
  .product-ad { flex-direction: column; }
}