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

/* Base and page background (black abstract glow, hacker vibe) */
html, body { height: 100%; }
body {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial;
  color: #eaffff;
  background: #000;
  line-height: 1.4;
  overflow-x: hidden;
  position: relative;
}
body::before,
body::after {
  content: "";
  position: fixed;
  z-index: -1;
  filter: blur(40px);
  pointer-events: none;
  border-radius: 50%;
  opacity: .65;
}
body::before {
  width: 40vmin; height: 40vmin;
  left: -10vmin; top: -10vmin;
  background: radial-gradient(circle at 30% 30%, rgba(0, 240, 235, .55), transparent 60%);
}
body::after {
  width: 60vmin; height: 60vmin;
  right: -20vmin; bottom: -20vmin;
  background:
    radial-gradient(circle at 70% 70%, rgba(0, 180, 210, .45), transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(0, 255, 200, .25), transparent 60%);
}

/* Layout */
main {
  display: grid;
  place-items: center;
  padding: 4rem 1rem 2rem;
  min-height: calc(100vh - 120px);
}
.image-frame {
  width: min(92vw, 860px);
  padding: 1.75rem;
  border-radius: 20px;
  background: rgba(8, 12, 20, 0.55); /* frosted glass base */
  border: 1px solid rgba(120, 240, 240, 0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 20px 60px rgba(0,0,0,.65);
  display: flex;
  justify-content: center;
  align-items: center;
}
.image-frame img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  display: block;
  box-shadow: 0 6px 20px rgba(0,0,0,.6);
}

/* Footer / CTA area (prominent turquoise CTA button) */
footer {
  margin-top: 2rem;
  padding: 1.25rem;
  text-align: center;
  color: #b6fffb;
}
.product-ad {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  width: min(960px, 92%);
  margin: 0.75rem auto 1rem;
  padding: 0.75rem 1rem;
  border-radius: 14px;
  background: rgba(8, 12, 20, 0.6);
  border: 1px solid rgba(60, 240, 210, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 8px 40px rgba(0,0,0,.5);
}
.product-ad h3 {
  font-size: 0.95rem;
  color: #d9fffe;
  opacity: 0.95;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.product-ad a {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(0, 255, 230, 0.25), rgba(0, 150, 180, 0.55));
  color: #eaffff;
  text-decoration: none;
  border: 1px solid rgba(0, 255, 210, 0.6);
  font-weight: 700;
}
.product-ad a:hover {
  transform: translateY(-1px);
  background: linear-gradient(135deg, rgba(0, 255, 230, 0.35), rgba(0, 150, 180, 0.65));
}
.product-ad a:focus-visible {
  outline: 3px solid #00ffd4;
  outline-offset: 2px;
}
a:focus-visible {
  outline: 3px solid #00ffd4;
  outline-offset: 2px;
}

/* Accessibility & typography tweaks */
h1, h2, h3 { font-weight: 700; letter-spacing: .2px; }
h3 { margin: 0; }

/* Responsive tweaks */
@media (min-width: 700px) {
  main { padding: 6rem 0 3rem; }
  .image-frame { padding: 2rem; }
}