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

html, body { height: 100%; }

html { line-height: 1.15; }

body {
  margin: 0;
  padding: 0;
  color: #e6faff;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  min-height: 100vh;
  /* black sunset + hacker vibe */
  background:
    radial-gradient(circle at 15% -10%, rgba(255,140,0,.25), transparent 25%),
    radial-gradient(circle at 85% 0%, rgba(0,220,255,.15), transparent 25%),
    linear-gradient(135deg, #000000 0%, #111111 40%, #0b0b0b 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: .2px;
}

/* subtle cyberpunk glow overlay on larger screens */
@media (min-width: 600px) {
  body {
    background-image:
      radial-gradient(circle at 20px 20px, rgba(0,255,200,.12) 1px, transparent 1px),
      radial-gradient(circle at 60px 60px, rgba(255,0,220,.12) 1px, transparent 1px),
      linear-gradient(135deg, #000 0%, #111 40%, #0b0b0b 100%);
    background-size: 40px 40px, 40px 40px, 100% 100%;
    background-attachment: fixed;
  }
}

main {
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  min-height: calc(100vh - 180px);
}

.image-frame {
  width: min(96%, 1000px);
  aspect-ratio: 16 / 9;
  border-radius: 16px;
  background: rgba(0,0,0,0.45);
  border: 1px solid rgba(255,255,255,0.25);
  overflow: hidden;
  display: grid;
  place-items: center;
  backdrop-filter: blur(6px);
  box-shadow: 0 12px 50px rgba(0,0,0,0.65);
  transition: transform .25s ease;
}
.image-frame:hover { transform: translateY(-2px); }

.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.98) brightness(0.98);
  transform: scale(1);
  transition: transform 0.4s ease;
}
.image-frame:hover img { transform: scale(1.04); }

/* optional frosted-glass caption area (hidden by default) */
.glass {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(0,0,0,0.45);
  border: 1px solid rgba(255,255,255,0.25);
  color: #eafffb;
  backdrop-filter: blur(6px);
  font-size: 0.95rem;
  display: none;
}

/* footer with neon CTA styling */
footer {
  padding: 1.4rem 1rem;
  text-align: center;
  color: #e6f3ff;
  background: linear-gradient(to top, rgba(0,0,0,0.86), rgba(0,0,0,0.54) 60%, rgba(0,0,0,0.0) 100%);
  border-top: 1px solid rgba(255,255,255,0.15);
}
footer .product-ad {
  display: inline-block;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  background: rgba(0,0,0,0.55);
  border: 1px solid rgba(0,255,180,0.5);
  margin-bottom: 0.6rem;
  backdrop-filter: blur(4px);
}
footer .product-ad h3 {
  font-size: 0.95rem;
  margin: 0 0 0.25rem;
  color: #d9fbff;
}
footer .product-ad a {
  text-decoration: none;
}
footer .product-ad a p {
  display: inline-block;
  margin: 0;
  padding: 0.38rem 0.88rem;
  border-radius: 999px;
  color: #021b23;
  background: linear-gradient(135deg, #7affd0, #00d1ff);
  font-weight: 700;
  font-size: 0.88rem;
}
footer a:focus-visible,
.footer a:focus-visible,
.product-ad a:focus-visible {
  outline: 2px solid #00f5ff;
  outline-offset: 2px;
}
footer p { font-size: 0.85rem; opacity: 0.92; }

/* accessibility tweaks for links outside header/footer as needed */
a {
  color: #7df5ff;
  text-decoration: none;
}
a:hover { text-decoration: underline; }

/* responsive tweaks */
@media (min-width: 720px) {
  main { padding: 3rem 2rem; min-height: calc(100vh - 140px); }
  .image-frame { border-radius: 20px; }
}
@media (min-width: 1024px) {
  footer { padding: 1.8rem 0.5rem; }
}