/* Reset & base */
*, *::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, "Helvetica Neue", Arial;
  color: #eaeaea;
  background-color: #0a0a0a;
  /* White zigzag background (soft, accessible) */
  background-image:
    linear-gradient(135deg, rgba(255,255,255,.22) 25%, transparent 25%),
    linear-gradient(315deg, rgba(255,255,255,.22) 25%, transparent 25%);
  background-position: 0 0, 0 0;
  background-size: 40px 40px;
  background-repeat: repeat;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  isolation: isolate;
}

/* Layout & hero */
main {
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  min-height: 60vh;
  position: relative;
  z-index: 1;
}
.image-frame {
  width: 100%;
  max-width: 900px;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 20px;
  padding: 1.75rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 10px 40px rgba(0,0,0,.45);
}
.image-frame img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 14px;
  border: 2px solid rgba(255,255,255,.65);
  box-shadow: inset 0 0 12px rgba(0,0,0,.2);
}

/* Footer & CTA */
footer {
  text-align: center;
  padding: 1.75rem 1rem;
  color: #e9e9e9;
  background: rgba(0,0,0,.55);
  position: relative;
  z-index: 1;
}
.product-ad {
  display: inline-block;
  padding: .55rem 0.8rem;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.28);
  margin: 0 0 0.75rem;
  transition: transform .25s ease;
}
.product-ad:hover { transform: translateY(-1px); }
.product-ad:focus-within { outline: 2px solid rgba(255,255,255,.9); outline-offset: 2px; }

.product-ad h3 {
  margin: 0 0 .25rem;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: .4px;
  color: #fff;
}
.product-ad a { text-decoration: none; color: inherit; display: inline-block; }
.product-ad a p {
  margin: 0;
  padding: .55rem 1rem;
  border-radius: 999px;
  background: #8a1222; /* maroon CTA */
  color: #fff;
  font-weight: 700;
  font-size: .95rem;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.25);
  border: 1px solid rgba(0,0,0,.25);
}
.product-ad a:hover p {
  background: #b01538;
  box-shadow: 0 0 10px rgba(140,0,40,.6);
  transform: translateY(-1px);
}
.product-ad a:focus-visible {
  outline: 3px solid #7fffd4;
  outline-offset: 2px;
}
footer p {
  margin: 0;
  font-size: .9rem;
  opacity: .9;
}

/* Frosted-glass hacker vibes: subtle neon glow on focus/hover for CTA */
@media (hover: hover) {
  .product-ad a:focus-visible {
    box-shadow: 0 0 0 4px rgba(0,255,255,.15), 0 0 12px rgba(0,255,255,.6);
    border-radius: 999px;
  }
}

/* Responsive tweaks (mobile-first) */
@media (min-width: 768px) {
  main { padding: 4rem 0; }
  .image-frame { padding: 2rem; border-radius: 24px; }
  .image-frame img { border-width: 3px; border-radius: 16px; }
  footer { padding: 2rem 0; }
  .product-ad a p { padding: .7rem 1.25rem; font-size: 1rem; }
}