/* CSS for Cyberpunk Red-Lime Frosted Glass Landing (mobile-first) */

* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg1: #8b0000;
  --bg2: #b30000;
  --bg3: #7f0000;
  --lime: #9dff00;
  --text: #eafff0;
  --card: rgba(255,255,255,.08);
  --border: rgba(255,255,255,.25);
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(135deg, var(--bg1) 0%, var(--bg2) 50%, var(--bg3) 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.4;
}

/* Frosted glass hero container for the image */
main {
  flex: 1 1 auto;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
}

.image-frame {
  width: 100%;
  max-width: 680px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 16px;
  padding: 1rem;
  backdrop-filter: blur(6px) saturate(1.1);
  -webkit-backdrop-filter: blur(6px) saturate(1.1);
  box-shadow: 0 12px 40px rgba(0,0,0,.5);
}

.image-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}

/* Footer area with a frosted glass ad/card */
footer {
  padding: 1rem;
}

.product-ad {
  display: block;
  width: 100%;
  max-width: 660px;
  margin: 0.5rem auto 0;
  padding: 0.6rem 1rem;
  border-radius: 14px;
  text-align: center;
  background: rgba(0,0,0,0.28);
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--text);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.product-ad h3 {
  margin: 0 0 0.4rem 0;
  color: var(--lime);
  font-size: 1rem;
  text-shadow: 0 0 8px rgba(157, 255, 0, 0.8);
}

.product-ad a {
  display: inline-block;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  background: linear-gradient(135deg, rgba(0,255,120,0.95), rgba(0,255,130,0.85));
  color: #05240a;
  border: 1px solid rgba(0,0,0,0.25);
  box-shadow: 0 6px 14px rgba(0,0,0,.4);
}

.product-ad a:hover,
.product-ad a:focus {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(0,0,0,.5);
  outline: none;
}

footer p {
  text-align: center;
  margin: 0.5rem 0 0;
  color: rgba(234, 255, 230, 0.9);
  font-size: 0.85rem;
}

/* Accessibility: clear focus styles for keyboard users */
a:focus-visible {
  outline: 3px solid #00ff88;
  outline-offset: 2px;
  border-radius: 6px;
}

/* Responsive tweaks */
@media (min-width: 768px) {
  main { padding: 3rem 2rem; }
  .image-frame { max-width: 760px; padding: 1.25rem; }
}

@media (min-width: 1024px) {
  main { padding: 4rem 3rem; }
  .image-frame { max-width: 860px; padding: 1.5rem; }
  .product-ad { margin-top: 1rem; }
}