/* Light reset + box-sizing */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; padding: 0; font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial; color: #e6feff; min-height: 100dvh; display: flex; flex-direction: column;
  background: radial-gradient(circle at 20% 0%, rgba(128,0,255,.45) 0%, rgba(128,0,255,.15) 40%, transparent 60%),
              radial-gradient(circle at 85% 25%, rgba(0,255,255,.25) 0%, transparent 40%),
              #0a001a;
  background-blend-mode: screen, overlay, normal;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  }

:root {
  --cyan: #00f5ff;
  --glass: rgba(255,255,255,0.12);
  --glass-border: rgba(255,255,255,0.25);
  --text: #eaffff;
  --muted: #b8eaff;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

/* Frosted glass header + hero vibe */
header {
  padding: 2rem 1rem;
  text-align: center;
  background: rgba(10, 0, 20, 0.55);
  border-bottom: 1px solid rgba(0, 255, 255, 0.25);
  backdrop-filter: blur(6px) saturate(1.2);
  -webkit-backdrop-filter: blur(6px) saturate(1.2);
}
header h1 {
  margin: 0;
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  color: #eaffff;
  text-shadow: 0 0 8px rgba(0, 255, 255, 0.8);
  letter-spacing: .4px;
}

/* Layout: center main content on mobile, spacious on larger screens */
main {
  flex: 1 1 auto;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
}

/* Frosted glass frame around the image for cyberpunk vibe */
.image-frame {
  width: min(92vw, 720px);
  border-radius: 22px;
  padding: 1px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.28);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.18),
              0 20px 40px rgba(0,0,0,.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.image-frame img {
  width: 100%; height: auto; display: block;
  border-radius: 16px;
  object-fit: cover;
  image-rendering: auto;
}

/* Footer with a glassy product ad and copyright */
footer {
  padding: 1.75rem 1rem;
  text-align: center;
  color: #d6fbff;
  background: rgba(5, 0, 15, 0.65);
  border-top: 1px solid rgba(0, 255, 255, 0.25);
}
.product-ad {
  display: inline-block;
  padding: 0.6rem 1rem;
  border-radius: 999px;
  background: rgba(0, 0, 40, 0.6);
  border: 1px solid rgba(0, 255, 255, 0.45);
  box-shadow: 0 6px 18px rgba(0, 255, 255, 0.25);
  margin-bottom: 0.75rem;
}
.product-ad h3 { margin: 0 0 0.25rem; font-size: 0.95rem; color: #eaffff; }
.product-ad a { color: #b8f7ff; text-decoration: none; }
.product-ad a:hover { text-decoration: underline; color: #fff; }

/* Links / CTAs that stand out as cyberpunk buttons */
a { color: var(--cyan); text-decoration: none; }
a.btn, a.cta {
  display: inline-block;
  padding: 0.65rem 1.15rem;
  border-radius: 999px;
  background: rgba(0, 255, 255, 0.22);
  border: 1px solid rgba(0, 255, 255, 0.6);
  color: #eaffff;
  transition: transform .2s ease, background .2s ease;
}
a.btn:hover, a.cta:hover { transform: translateY(-1px); background: rgba(0, 255, 255, 0.34); }
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 2px;
  border: none;
}

/* Responsive adjustments */
@media (min-width: 768px) {
  main { padding: 3rem 2rem; }
  header { padding: 3rem 2rem; }
  .image-frame { border-radius: 26px; }
}