/* Reset & base */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Inter, Arial, sans-serif;
  color: #eafff3;
  background: linear-gradient(135deg, #a6ff00 0%, #00ea7a 40%, #ff2a2a 100%);
  background-attachment: fixed;
  background-size: 100% 100%;
}
a { color: inherit; text-decoration: none; }

main {
  width: 100%;
  max-width: 1000px;
  padding: 1.25rem;
  display: flex;
  justify-content: center;
  align-items: center;
}
.image-frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 14px;
  overflow: hidden;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.28);
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
  backdrop-filter: saturate(1.2) blur(6px);
  -webkit-backdrop-filter: saturate(1.2) blur(6px);
  transition: transform .3s ease, box-shadow .3s ease;
}
.image-frame img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  filter: saturate(1.05);
}
.image-frame:hover { transform: scale(1.01); box-shadow: 0 12px 28px rgba(0,0,0,.3); }

footer {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 1rem 0 2rem;
}
.product-ad {
  width: min(92%, 520px);
  padding: 1rem 1.25rem;
  border-radius: 14px;
  text-align: center;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.25);
  box-shadow: 0 6px 22px rgba(0,0,0,.25);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.product-ad h3 {
  margin: 0 0 0.6rem;
  font-size: 1.05rem;
  color: #a8ff5e;
  letter-spacing: .5px;
}
.product-ad a {
  display: inline-block;
  padding: .8rem 1.25rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #ff3b3b 0%, #e6002f 100%);
  color: white;
  font-weight: 700;
  border: 1px solid rgba(255,255,255,.7);
  box-shadow: 0 6px 14px rgba(255,0,0,.45);
  transition: transform .2s ease, box-shadow .2s ease;
}
.product-ad a:hover { transform: translateY(-1px); box-shadow: 0 8px 18px rgba(255,0,0,.6); }
.product-ad a:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}
.product-ad p { margin: 0; padding: 0; color: #eafff3; }

footer p {
  margin-left: 0.75rem;
  color: #d4ffd3;
  font-size: .9rem;
  opacity: .95;
}

@media (min-width: 720px) {
  main { padding: 2rem; }
}
@media (min-width: 900px) {
  main { justify-content: center; }
  .image-frame { border-radius: 18px; }
  footer { padding-bottom: 3rem; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}