/* Minimal reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* Theme: lime metallic + teal hacker vibe with frosted glass */
:root {
  --lime: #a7ff4a;
  --teal: #0bd6c6;
  --teal-dark: #0a8e86;
  --bg-1: #0b0f14;
  --bg-2: #0a141a;
  --text: #eafff3;
  --muted: #9fffe4;
  --glass: rgba(255,255,255,.08);
  --glass-border: rgba(0,255,230,.4);
  --shadow: 0 14px 40px rgba(0,0,0,.4);
}

html, body {
  height: 100%;
}

body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  color: var(--text);
  background: 
    radial-gradient(circle at 20% 0%, rgba(170,255,150,.15), transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(0,255,230,.15), transparent 40%),
    linear-gradient(135deg, rgba(0,255,170,.08), rgba(0,170,160,.08) 60%, rgba(0,0,0,.0) 60%),
    linear-gradient(#0b111a, #0b111a);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Subtle moving sheen on the background for cyberpunk feel */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: linear-gradient(120deg, rgba(165, 255, 120, .08), rgba(0,0,0,0) 40%),
              linear-gradient(60deg, rgba(0, 255, 214, .08), rgba(0,0,0,0) 40%);
  mix-blend-mode: overlay;
  pointer-events: none;
  animation: sheen 12s linear infinite;
}
@keyframes sheen {
  0% { transform: translateX(-20%); }
  100% { transform: translateX(100%); }
}

main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 68vh;
  padding: 40px 16px;
}

/* Frosted glass image frame (hero) */
.image-frame {
  width: min(92%, 720px);
  aspect-ratio: 16 / 9;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: var(--shadow);
}
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.image-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  /* subtle neon overlay to feel cyberpunk */
  background-image: 
    linear-gradient(135deg, rgba(0, 255, 170, .25) 0, rgba(0,0,0,0) 20%),
    linear-gradient(45deg, rgba(0, 255, 210, .18) 0, rgba(0,0,0,0) 20%);
  mix-blend-mode: screen;
  opacity: .9;
  animation: glow 6s ease-in-out infinite;
}
@keyframes glow {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

/* Footer / CTA region */
footer {
  width: 100%;
  padding: 14px 8px;
  text-align: center;
}

.product-ad {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(8, 40, 46, 0.6);
  border: 1px solid rgba(0, 255, 230, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  margin-bottom: 10px;
}

.product-ad h3 {
  font-size: 0.92rem;
  margin: 0 0 6px;
  color: #d8fff0;
}

.product-ad a {
  color: #04160e;
  text-decoration: none;
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(0,255,217,.95), rgba(0,238,190,.95));
  border: 1px solid rgba(0,255,230,.95);
  font-weight: 700;
  letter-spacing: .2px;
  box-shadow: 0 6px 16px rgba(0,0,0,.4);
  transition: transform .2s ease, box-shadow .2s ease;
}
.product-ad a:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(0,0,0,.5);
}
.product-ad a:focus-visible {
  outline: 3px solid #a9fff0;
  outline-offset: 2px;
}

footer p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

/* Accessibility: ensure high contrast on focus */
a, button {
  outline: none;
}
a:focus-visible {
  outline: 3px solid #a9fff0;
  outline-offset: 2px;
}

/* Responsive tweaks: mobile-first, then scale up */
@media (min-width: 768px) {
  main { padding: 64px 24px; min-height: 72vh; }
  .product-ad { padding: 14px 22px; }
  .product-ad h3 { font-size: 1rem; }
}

@media (min-width: 1024px) {
  main { padding: 80px 40px; }
  .image-frame { width: min(60%, 720px); }
}