/* Light reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* Palette and glassy, hacker-cyberpunk vibe */
:root {
  --bg-maroon: #2a0000;
  --bg-maroon-dark: #1b0000;
  --text: #f5f5f5;
  --muted: #f3c9c9;
  --red: #ff2a2a;
  --red-dark: #d40000;
  --glass: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 0, 0, 0.25);
  --shadow: 0 10px 40px rgba(0,0,0,.45);
}

/* Maroon checkerboard background (subtle glow for futurism) */
html, body {
  height: 100%;
}
body {
  min-height: 100%;
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.4;
  background-color: var(--bg-maroon);
  /* checkerboard pattern */
  background-image:
    linear-gradient(45deg, rgba(0,0,0,.25) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(0,0,0,.25) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(0,0,0,.25) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(0,0,0,.25) 75%);
  background-size: 40px 40px;
  background-position: 0 0, 0 20px, 20px -20px, -20px 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Layout scaffold (mobile-first) */
main {
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  min-height: 60vh;
}

/* Frosted glass card around the image (hero) */
.image-frame {
  width: min(92vw, 720px);
  border-radius: 18px;
  padding: .75rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  overflow: hidden;
  display: grid;
  justify-items: center;
  align-items: center;
}

/* Image inside the frosted glass */
.image-frame img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  outline: none;
  /* subtle neon edge to fit hacker vibe */
  box-shadow: inset 0 0 0 1px rgba(255,0,0,.15), 0 6px 20px rgba(0,0,0,.25);
}

/* Footer area with frosted panel and CTA emphasis */
footer {
  padding: 1.75rem 1rem 2.5rem;
}

/* Featured product panel (frosted) */
.product-ad {
  max-width: 860px;
  margin: 0 auto;
  padding: 1rem 1rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 0, 0, 0.25);
  box-shadow: 0 8px 28px rgba(0,0,0,.35);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: grid;
  gap: .5rem;
}

.product-ad h3 {
  font-size: 1.05rem;
  margin: 0 0 .4rem;
  color: #ffdede;
  text-shadow: 0 0 6px rgba(255,0,0,.7);
}

.product-ad a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  text-decoration: none;
  padding: .75rem 1.25rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #ff3333 0%, #d40000 100%);
  color: #fff;
  border: 1px solid rgba(255,255,255,.25);
  transition: transform .2s ease, background .2s ease;
  text-shadow: 0 0 6px rgba(0,0,0,.25);
}

.product-ad a:hover {
  transform: translateY(-1px);
  background: linear-gradient(135deg, #ff5656 0%, #e60000 100%);
}
.product-ad a:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 2px;
  box-shadow: 0 0 0 3px rgba(255,255,255,.25);
}

footer p {
  text-align: center;
  color: #f8d9d9;
  opacity: 0.92;
  margin: 1rem auto 0;
}

/* Subtle cyberpunk accents on text elements */
.product-ad h3, .product-ad a {
  letter-spacing: .2px;
}
@media (min-width: 640px) {
  main { padding: 3rem 2rem; }
}
@media (min-width: 900px) {
  main { padding: 4rem; }
  .image-frame { border-radius: 22px; padding: 1rem; }
  .product-ad { padding: 1.25rem; }
}

/* Focus accessibility for links everywhere (keyboard users) */
a:focus-visible, button:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 2px;
  border-radius: 6px;
}
a, button {
  text-decoration: none;
  color: inherit;
}
```