/* Frosted glass, hacker/cyberpunk style with navy waves background (mobile-first) */

:root {
  --text: #e8f0ff;
  --muted: #cbd6e6;
  --bg: #05060b;
  --glass: rgba(255,255,255,.08);
  --glass-border: rgba(255,255,255,.25);
}

*,
*::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, Arial;
  color: var(--text);
  background: var(--bg);
  /* Navy waves background: layered gradients to evoke moving ocean */
  background-image:
    radial-gradient(circle at 15% 0, rgba(28,60,120,.35) 0 60px, transparent 61px),
    radial-gradient(circle at 65% 0, rgba(10,25,70,.55) 0 60px, transparent 61px),
    linear-gradient(#05061a, #05061a);
  background-size: 120px 60px, 120px 60px, 100% 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Content layout */
main {
  width: 100%;
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  position: relative;
  z-index: 1;
}

/* Frosted glass card wrapping the image */
.image-frame {
  width: min(94vw, 860px);
  border-radius: 18px;
  padding: 1rem;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 12px 40px rgba(0,0,0,.4);
  display: flex;
  justify-content: center;
  align-items: center;
}

.image-frame img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  display: block;
}

/* Footer with a frosted bar and CTA-like ad */
footer {
  padding: 1.75rem 1rem;
  text-align: center;
  color: #d4dce9;
  background: rgba(0,0,0,.25);
  border-top: 1px solid rgba(255,255,255,.08);
  position: relative;
  z-index: 1;
}

.product-ad {
  display: inline-block;
  padding: .5rem .9rem;
  border-radius: 999px;
  background: rgba(0,0,0,.45);
  border: 1px solid rgba(255,255,255,.18);
  margin-bottom: .75rem;
}

.product-ad h3 {
  font-size: .9rem;
  margin: 0 0 .25rem;
  font-weight: 700;
  letter-spacing: .2px;
}

.product-ad a {
  text-decoration: none;
  display: inline-block;
  padding: .5rem .9rem;
  border-radius: 999px;
  font-weight: 800;
  color: #041a26;
  background: linear-gradient(135deg, rgba(0,210,255,.95), rgba(0,150,255,.95));
  border: 1px solid rgba(255,255,255,.6);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.4);
}

.product-ad a:hover { filter: brightness(1.04); }

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible {
  outline: 2px solid #7af;
  outline-offset: 2px;
  border-radius: 6px;
}

/* Responsive tweaks (mobile-first) */
@media (min-width: 600px) {
  main { padding: 3rem 2rem; }
  .image-frame { padding: 1.25rem; }
}

@media (min-width: 900px) {
  image-frame { transform: translateZ(0); }
  .image-frame img { border-radius: 14px; }
  footer { padding: 2rem; }
}