/* Global reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  color: #eaf7e0;
  /* Green parchment background with subtle texture for a hacker/cyberpunk vibe */
  background-color: #2a3d1c;
  background-image:
    linear-gradient(135deg, rgba(0,0,0,.08), rgba(0,0,0,.08)),
    repeating-linear-gradient(45deg,
      rgba(210, 235, 190, .08) 0 6px,
      rgba(0,0,0,0) 6px 12px);
  background-size: cover;
  min-height: 100vh;
}

/* Layout: mobile-first, hero-centered content */
main {
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  min-height: 60vh;
}

/* Frosted glass panel for the image frame (parchment + glass) */
.image-frame {
  width: min(92vw, 860px);
  aspect-ratio: 16 / 9;
  border-radius: 18px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
  display: grid;
  place-items: center;
  position: relative;
}

/* Image fills frame nicely */
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(1.1);
  -webkit-user-drag: none;
  user-select: none;
}

/* Neon / glow accent to reinforce cyberpunk feel */
.image-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 18px;
  border: 1px solid rgba(0, 255, 170, 0.8);
  box-shadow: 0 0 22px rgba(0, 255, 170, 0.6);
  pointer-events: none;
  mix-blend-mode: screen;
}

/* Footer / product ad area */
footer {
  padding: 1.5rem;
  text-align: center;
  color: #d8e9d8;
}

/* Frosted glass card for product ad with friendly contrast */
.product-ad {
  display: inline-block;
  padding: 0.6rem 0.8rem;
  border-radius: 12px;
  background: rgba(15, 22, 15, 0.4);
  border: 1px solid rgba(180, 210, 180, 0.6);
  margin-bottom: 0.75rem;
}

/* Heading within ad */
.product-ad h3 {
  margin: 0 0 0.25rem;
  font-size: 0.95rem;
  color: #eafff2;
  letter-spacing: .02em;
}

/* Primary CTA styled as a pill button with neon glow */
.product-ad a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  text-decoration: none;
  color: #eafff2;
  /* green parchment + silver cyber vibe */
  background: linear-gradient(135deg, rgba(10, 60, 25, 0.95), rgba(15, 22, 15, 0.95));
  border: 1px solid rgba(200, 230, 210, 0.8);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  transition: transform .15s ease, box-shadow .15s ease;
}
.product-ad a:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4), 0 0 12px rgba(0, 255, 150, 0.25);
}
.product-ad a:focus-visible {
  outline: 2px solid #7fff9f;
  outline-offset: 2px;
}
.product-ad a > p {
  margin: 0;
  padding: 0;
  font-weight: 600;
  font-size: 0.95rem;
}

/* Footer text styling for accessibility */
footer p {
  margin: 0.5rem 0 0;
  font-size: 0.85rem;
  color: #b6c9b7;
}

/* Responsive behavior: expand hero on larger screens */
@media (min-width: 768px) {
  main {
    padding: 4rem 2rem;
  }
  .image-frame {
    width: min(70vw, 900px);
  }
}

/* Desktop / wide screens: align ad with content to feel like a panel layout */
@media (min-width: 1024px) {
  footer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    padding: 2rem 4rem;
  }
  .product-ad {
    margin-right: 2rem;
  }
}

/* Accessibility: ensure focus visibility for all interactive elements */
a:focus-visible, button:focus-visible {
  outline: 2px solid #7fff9f;
  outline-offset: 2px;
}
```