*,
*::before,
*::after { box-sizing: border-box; }

:root {
  --cyan: #2af0ff;
  --cyan-soft: rgba(42, 240, 255, 0.25);
  --text: #eaffff;
  --glass: rgba(15, 20, 30, 0.65);
  --border: rgba(42, 240, 255, 0.8);
}

html, body { height: 100%; }

body {
  margin: 0;
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto;
  background-color: #1b0f07;
  background-image:
    linear-gradient(rgba(0,0,0,0.35), rgba(0,0,0,0.35)),
    repeating-linear-gradient(
      45deg,
      #3a1a0a 0 14px,
      #7a4f2a 14px 28px
    );
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

main {
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
}

.image-frame {
  width: min(92vw, 900px);
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  padding: 1rem;
  background: rgba(8, 8, 12, 0.55);
  border: 1px solid rgba(42, 240, 255, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 12px 40px rgba(0,0,0,.45);
  overflow: hidden;
}

.image-frame img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  object-fit: cover;
  filter: saturate(1.05);
}

footer {
  padding: 1.5rem;
  text-align: center;
  color: #d8fbff;
  background: linear-gradient(to top, rgba(0,0,0,0.25), rgba(0,0,0,0.05));
  border-top: 1px solid rgba(42,240,255,0.25);
}

.product-ad {
  display: inline-block;
  padding: 0.6rem 1rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(42, 240, 255, 0.8);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  margin-bottom: 0.75rem;
}

.product-ad h3 {
  margin: 0 0 0.25rem;
  font-size: 0.95rem;
  color: var(--cyan);
  text-shadow: 0 0 8px rgba(42, 240, 255, 0.9);
}

.product-ad a {
  display: inline-block;
  padding: 0.5rem 0.95rem;
  border-radius: 999px;
  background: rgba(42, 240, 255, 0.22);
  color: #eaffff;
  border: 1px solid rgba(42, 240, 255, 0.9);
  font-weight: 700;
  transition: transform 0.15s ease, background 0.2s ease;
}

.product-ad a:hover {
  transform: translateY(-1px);
  background: rgba(42, 240, 255, 0.28);
}

.product-ad a:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(42, 240, 255, 0.65);
  border-color: rgba(42, 240, 255, 1);
}

p { margin: 0; }

/* Mobile-first responsive tweaks for larger screens */
@media (min-width: 700px) {
  main { padding: 3rem 2rem; }
  .image-frame { border-radius: 18px; }
}

@media (min-width: 1024px) {
  .image-frame { transform: translateY(-2px); }
}