/* Reset and base styles */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
:root {
  --navy: #0a1020;
  --glass: rgba(255,255,255,.12);
  --text: #e9f0ff;
  --muted: #cbd9f4;
}
html { font-size: 16px; }
body {
  margin: 0;
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background-color: var(--navy);
  /* red striped background over a navy base for a hacker vibe */
  background-image:
    linear-gradient(rgba(8,12,28,.85), rgba(8,12,28,.85)),
    repeating-linear-gradient(135deg,
      rgba(255,0,0,.18) 0 6px,
      rgba(0,0,0,0) 6px 12px);
  background-blend-mode: overlay;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: #cfe3ff; text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(255,255,255,.15);
  border-radius: 6px;
}
main {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem 1rem;
  flex: 1 0 auto;
}

/* Frosted glass hero frame for the image */
.image-frame {
  width: 92%;
  max-width: 900px;
  padding: 12px;
  border-radius: 20px;
  background: rgba(6, 12, 40, 0.6); /* frosted-glass feel */
  border: 1px solid rgba(255,255,255,.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 20px 40px rgba(0,0,0,.4);
}
.image-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}

/* Footer and CTA styling (CTA doubles as a prominent button) */
footer {
  text-align: center;
  padding: 1.5rem 1rem;
  color: #cfe3ff;
}
.product-ad {
  display: inline-block;
  margin: 0 auto 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.25);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}
.product-ad h3 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
  color: #ffd6d6;
}
.product-ad a { text-decoration: none; }
.product-ad a p {
  margin: 0;
  padding: 0.9rem 1.1rem;
  border-radius: 8px;
  background: linear-gradient(#2a2f54, #1b214b);
  color: #fff;
  font-weight: 700;
}
@media (min-width: 768px) {
  main { padding: 3rem 1.5rem; }
  .image-frame { width: 70%; padding: 14px; }
}
@media (min-width: 1024px) {
  .image-frame { width: 60%; }
  footer { padding: 2rem 0; }
}