/* Reset and base */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
:root {
  --bg: #0b0b0b;
  --lime: #baff00;
  --lime-soft: #9aff47;
  --panel: rgba(0,0,0,.32);
  --panel-border: rgba(140,255,120,.65);
  --text: #eaffd6;
}
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.4;
  min-height: 100vh;
  background-image:
    radial-gradient(circle at 15% 0, rgba(140,255,120,.08), transparent 40%),
    radial-gradient(circle at 85% 0, rgba(140,255,120,.06), transparent 40%),
    linear-gradient(#0b0b0b, #0b0b0b);
  background-attachment: fixed;
  text-rendering: optimizeLegibility;
}

/* Layout and sections */
header { text-align: center; padding: 1.25rem 1rem; }
main { display: grid; justify-items: center; padding: 1rem; }
footer { text-align: center; padding: 1.5rem 1rem; color: #a3ffb6; }

/* Frosted glass hero (image frame) */
.image-frame {
  width: min(92vw, 720px);
  border-radius: 16px;
  padding: 0.75rem;
  background: rgba(0, 0, 0, 0.32);
  border: 1px solid rgba(140, 255, 120, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 12px 40px rgba(0,0,0,.6);
}
.image-frame img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  border: 1px solid rgba(140,255,120,.75);
}

/* Prominent neon/cyber CTA panel in footer */
.product-ad {
  display: inline-block;
  padding: 0.75rem 1rem;
  margin-top: 1rem;
  border-radius: 12px;
  background: rgba(14, 32, 12, 0.38);
  border: 1px solid rgba(140,255,120,.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: #dbffd6;
  text-align: left;
  box-shadow: 0 6px 20px rgba(0,0,0,.5);
}
.product-ad h3 {
  margin: 0 0 0.4rem 0;
  font-size: 1.05rem;
  color: #eaffd7;
}
.product-ad a { text-decoration: none; color: inherit; display: inline-block; }
.product-ad a > p { margin: 0; padding: 0; }

.product-ad a {
  padding: 0.55rem 1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(0,0,0,.5), rgba(20,40,12,.9));
  border: 1px solid rgba(180,255,140,.9);
  color: #eaffd6;
  font-weight: 700;
  box-shadow: 0 0 12px rgba(180,255,140,.8);
  transition: transform .15s ease, box-shadow .15s ease;
}
.product-ad a:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(180,255,140,.95);
}
.product-ad a:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
  border-radius: 999px;
}

footer p { margin: 0.25rem 0 0; font-size: 0.95rem; opacity: .9; }

/* Focus management for accessibility */
a:focus-visible { outline: 2px solid var(--lime); outline-offset: 2px; }

/* Typographic and color accents for hacker/cyberpunk vibe */
header h1 {
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  text-transform: uppercase;
  line-height: 1.15;
  background: linear-gradient(90deg, #baff00 0%, #89ff2d 60%, #d9ff00 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 6px rgba(140,255,60,.65);
  letter-spacing: .15em;
}

/* Responsive tweaks */
@media (min-width: 640px) {
  body { font-size: 16.5px; }
  header { padding: 1.75rem 1rem; }
}
@media (min-width: 900px) {
  main { padding: 2rem 0; }
  .image-frame { border-radius: 20px; }
  header h1 { font-size: 2.8rem; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}