/* Reset & root variables (light, accessible, cyberpunk vibe) */
:root {
  --bg-start: #ff2d9e;
  --bg-mid:   #7a00ff;
  --bg-end:   #1a0038;
  --glass: rgba(255, 255, 255, .15);
  --glass-border: rgba(255, 255, 255, .25);
  --text: #f7f7ff;
  --shadow: 0 20px 40px rgba(0,0,0,.35);
  --blur: 8px;
  --radius: 18px;
}
*, *::before, *::after { box-sizing: border-box; }

html, body { height: 100%; padding: 0; margin: 0; }

body {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  color: var(--text);
  background: linear-gradient(135deg, var(--bg-start) 0%, var(--bg-mid) 55%, var(--bg-end) 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Layout: mobile-first, center hero image with frosted glass frame */
main {
  flex: 1 1 auto;
  display: grid;
  place-items: center;
  padding: 6vmin 4vmin;
}

.image-frame {
  width: 100%;
  max-width: 780px;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .25);
  backdrop-filter: blur(var(--blur)) saturate(120%);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(120%);
  box-shadow: var(--shadow);
  display: grid;
  place-items: center;
  position: relative;
  /* subtle neon glow around glass edge */
  outline: 1px solid rgba(255,255,255,.18);
}
.image-frame:after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 40px rgba(120, 0, 200, .25);
  pointer-events: none;
  border-radius: inherit;
}

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

/* Footer with a prominent product ad CTA */
footer {
  padding: 1.75rem 1rem;
  text-align: center;
  color: rgba(255, 255, 255, .92);
  background: rgba(8, 6, 20, .28);
  border-top: 1px solid rgba(255, 255, 255, .15);
}
.product-ad {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  padding: .55rem .9rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, .18);
  border: 1px solid rgba(255, 255, 255, .28);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  margin-bottom: .6rem;
}
.product-ad h3 {
  font-size: .95rem;
  margin: 0;
  color: #fff;
  text-shadow: 0 1px 0 rgba(0,0,0,.25);
}
.product-ad a {
  text-decoration: none;
  color: #fff;
  font-weight: 700;
  padding: .5rem .9rem;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(255,255,255,.28), rgba(255,255,255,.12));
  border: 1px solid rgba(255,255,255,.4);
  display: inline-block;
  transition: transform .2s ease, box-shadow .2s ease;
}
.product-ad a:hover,
.product-ad a:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 8px 16px rgba(0,0,0,.25);
  outline: none;
}
.product-ad a:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 2px;
}
footer p {
  font-size: .88rem;
  opacity: .92;
  margin: .4rem 0 0;
}

/* Focus visibility for all links/buttons for accessibility */
a,
button {
  outline: none;
}
a:focus-visible,
button:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 2px;
  border-radius: 6px;
}

/* Responsive tweaks */
@media (min-width: 700px) {
  main { padding: 8vmin 6vmin; }
}
@media (min-width: 1024px) {
  .image-frame { width: 70%; min-width: 640px; }
  footer { padding: 2rem 0; }
  .product-ad h3 { font-size: 1.05rem; }
}