/* Light reset and cyberpunk foundation */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
html { color-scheme: dark light; }
:root {
  --cyan: #00e5ff;
  --cyan-deep: #00bcd4;
  --coral: #ff6b61;
  --coral-dark: #e65f53;
  --glass: rgba(255, 255, 255, 0.16);
  --glass-strong: rgba(255, 255, 255, 0.28);
  --txt: #eaffff;
  --shadow: 0 10px 28px rgba(0,0,0,.25);
  --border: rgba(255,255,255,.25);
}
body {
  margin: 0;
  padding: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto;
  color: var(--txt);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(135deg, var(--cyan) 0%, #2bd6f0 25%, #6ad3ff 50%, var(--coral) 100%);
}
main {
  width: 100%;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
}
.image-frame {
  width: min(100%, 720px);
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1rem;
  backdrop-filter: saturate(1.2) blur(8px);
  -webkit-backdrop-filter: saturate(1.2) blur(8px);
  box-shadow: var(--shadow);
}
.image-frame img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
}
footer {
  padding: 1.5rem;
  text-align: center;
}
.product-ad {
  display: inline-block;
  padding: 0.6rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.4);
  background: rgba(0,0,0,.15);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  margin: 0.5rem auto 1rem;
}
.product-ad h3 {
  font-size: 0.95rem;
  margin: 0 0 .25rem;
}
.product-ad a { text-decoration: none; }
.product-ad a p {
  margin: 0;
  padding: .45rem 1rem;
  border-radius: 999px;
  font-weight: 700;
  color: #041016;
  background: linear-gradient(135deg, #00f0ff 0%, #ff6b61 100%);
}
.product-ad a:focus-visible { outline: 2px solid #00e5ff; outline-offset: 2px; }
a { color: #eaffff; text-decoration: none; }
a:hover { text-decoration: underline; }

/* CTA emphasis and interactions */
.product-ad a:hover p {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(0,0,0,.25);
}
.product-ad a, .product-ad a:visited { outline: none; }

/* Responsive mobile-first adjustments */
@media (min-width: 768px) {
  main { padding: 3rem 2rem; }
  .image-frame { padding: 1.25rem; border-radius: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}