:root {
  --orange-1: #f57c00;
  --orange-2: #d65a00;
  --pink: #ff4fbf;
  --pink-dark: #d2007a;
  --glass: rgba(255, 255, 255, .14);
  --fg: #f8f8ff;
  --shadow: 0 8px 28px rgba(0, 0, 0, .28);
}

/* Light reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto;
  color: #fff;
  line-height: 1.4;
  /* Orange checkerboard background (lightweight, responsive) */
  background-color: #000;
  background-image:
    linear-gradient(45deg, var(--orange-1) 25%, transparent 25%),
    linear-gradient(-45deg, var(--orange-1) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--orange-2) 75%),
    linear-gradient(-45deg, transparent 75%, var(--orange-2) 75%);
  background-size: 28px 28px;
  background-position: 0 0, 0 14px, 14px -14px, -14px 0;
  min-height: 100%;
  overflow-x: hidden;
}

/* Mobile-first layout: hero centered image with frosted glass frame */
main {
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  min-height: calc(100vh - 140px);
}

.image-frame {
  width: 100%;
  max-width: 860px;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 20px;
  padding: 20px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
  display: grid;
  place-items: center;
}

.image-frame img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  /* subtle neon edge to sell cyberpunk vibe */
  box-shadow: 0 0 0 2px rgba(255, 255, 255, .15);
}

footer {
  text-align: center;
  padding: 1.5rem 1rem 2rem;
  color: #ffd9f6;
  background: rgba(0, 0, 0, 0.15);
  border-top: 1px solid rgba(255, 255, 255, .15);
}

.product-ad {
  display: inline-block;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .25);
  padding: .5rem;
  border-radius: 12px;
  margin-bottom: .75rem;
  transform: translateZ(0);
  transition: transform .2s ease;
}
.product-ad:hover { transform: translateY(-2px); }

/* Neon pink hacker theme for ad title */
.product-ad h3 {
  font-size: 0.95rem;
  margin: 0 0 .25rem;
  color: #ffd0f6;
  letter-spacing: .4px;
}

/* CTA button style (pink gradient) */
.product-ad a { text-decoration: none; }
.product-ad a p {
  margin: 0;
  display: inline-block;
  padding: .75rem 1.25rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--pink) 0%, var(--pink-dark) 100%);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 6px 14px rgba(0, 0, 0, .25);
  line-height: 1;
}
.product-ad a p:focus-visible,
a:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
  border-radius: 8px;
}

a { color: inherit; }

/* Focus styles for accessibility on interactive elements */
a:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }

/* Responsive tweaks */
@media (min-width: 640px) {
  main { padding: 3rem 2rem; min-height: 80vh; }
  .image-frame { padding: 28px; }
}
@media (min-width: 900px) {
  .image-frame { padding: 32px; }
  .product-ad a p { font-size: 1rem; padding: .75rem 1.5rem; }
}