/* Minimal reset and indigo noise foundation */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html, body {
  height: 100%;
}
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial;
  color: #e8fbff;
  background-color: #0b1020;
  /* Indigo noise texture (layered gradients) */
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,.08) 1px, transparent 1px),
    radial-gradient(circle at 3px 3px, rgba(0,0,0,.15) 1px, transparent 1px),
    radial-gradient(circle at 7px 7px, rgba(46,228,216,.07) 1px, transparent 1px);
  background-size: 4px 4px, 6px 6px, 16px 16px;
  background-blend-mode: overlay;
  text-rendering: optimizeLegibility;
}
:focus {
  outline: none;
}
a { color: inherit; text-decoration: none; }
main { display: grid; place-items: center; padding: 2rem 1rem; }

/* Frosted glass hero frame with cyberpunk turquoise accents */
.image-frame {
  width: min(720px, 92vw);
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  border-radius: 18px;
  padding: 1rem;
  background: rgba(255,255,255,.08); /* frosted glass base */
  border: 1px solid rgba(46,228,216,.60); /* turquoise edge */
  box-shadow:
    0 20px 40px rgba(0,0,0,.5),
    inset 0 0 20px rgba(0,0,0,.25);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  position: relative;
  overflow: hidden;
}
.image-frame::after {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 20px;
  border: 1px solid rgba(46,228,216,.25);
  box-shadow: 0 0 28px rgba(46,228,216,.35);
  pointer-events: none;
}
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
  display: block;
  /* subtle glow for cyberpunk vibe on the image */
  box-shadow: 0 0 28px rgba(46,228,216,.45);
}
@media (min-width: 768px) {
  .image-frame { width: min(860px, 84vw); }
}

/* Footer with a compact product ad CTA (prominent on mobile, readable on desktop) */
footer {
  padding: 1.5rem 1rem 2rem;
  text-align: center;
  color: #bfefff;
  background: linear-gradient(to top, rgba(0,0,0,.55), rgba(0,0,0,.15) 60%, rgba(0,0,0,0));
}
.product-ad {
  display: inline-block;
  padding: .4rem .75rem;
  border-radius: 12px;
  margin-bottom: .75rem;
  background: rgba(10,12,30,.65);
  border: 1px solid rgba(46,228,216,.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  box-shadow: inset 0 0 16px rgba(0,0,0,.25);
}
.product-ad h3 {
  margin: 0 0 .25rem;
  font-size: .92rem;
  color: #7ff7e8; /* cyan glow */
}
.product-ad a { text-decoration: none; color: inherit; }
.product-ad a > p {
  display: inline-block;
  margin: 0;
  padding: .5rem 1rem;
  border-radius: 999px;
  background: rgba(0,0,0,.25);
  color: #eaffff;
  font-weight: 700;
  border: 1px solid rgba(46,228,216,.8);
  transition: transform .2s ease;
}
.product-ad a > p:hover { transform: translateY(-0.5px); }
footer > p {
  margin: 0.25rem 0 0;
  color: #96d6e8;
  font-size: .9rem;
}

/* Focus styles for accessibility on interactive elements */
a:focus-visible,
button:focus-visible {
  outline: 2px solid #2ee4d8; /* turquoise focus outline */
  outline-offset: 2px;
  border-radius: 6px;
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}