/* Cyberpunk hacker landing CSS (mobile-first, single stylesheet) */

:root{
  --bg-cyan: #00e6ff;
  --bg-turq: #1ef0e0;
  --glass: rgba(14, 54, 78, 0.55);
  --card: rgba(7, 100, 127, 0.55);
  --text: #eaffff;
  --muted: rgba(214, 255, 255, 0.85);
}

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

html, body { height: 100%; }
body {
  margin: 0;
  padding: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter, Arial;
  color: var(--text);
  /* Cyan radial gradient background hinting hacker vibe */
  background: radial-gradient(circle at 15% 0%, rgba(0, 230, 255, 0.25) 0%, rgba(0, 230, 255, 0.00) 40%),
              radial-gradient(circle at 85% 60%, rgba(0, 255, 208, 0.25) 0%, rgba(0, 255, 208, 0.00) 50%),
              linear-gradient(#001018, #001018);
  background-attachment: fixed;
}

/* Layout foundation (mobile-first) */
main {
  min-height: 60vh;
  display: grid;
  place-items: center;
  padding: 1.5rem 1rem;
  position: relative;
}

.image-frame {
  width: min(680px, 92vw);
  background: rgba(8, 40, 65, 0.65);
  border: 1px solid rgba(0, 255, 230, 0.40);
  border-radius: 20px;
  padding: 14px;
  backdrop-filter: blur(8px) saturate(120%);
  -webkit-backdrop-filter: blur(8px) saturate(120%);
  box-shadow: 0 20px 60px rgba(0,0,0,.45);
}

.image-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid rgba(0, 255, 230, 0.6);
  image-rendering: crisp-edges;
  filter: saturate(1.05);
}

/* Frosted glass feel on footer/ad block */
footer {
  padding: 12px 16px 28px;
  text-align: center;
  color: rgba(214, 255, 255, 0.9);
  background: linear-gradient(to top, rgba(0,0,0,.15), rgba(0,0,0,0));
}

/* Product ad as prominent CTA (glass button style) */
.product-ad {
  width: min(900px, 92vw);
  margin: 0 auto 10px;
  padding: 12px 14px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: rgba(20, 120, 180, 0.28);
  border: 1px solid rgba(0, 255, 230, 0.40);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.product-ad h3 {
  font-size: 1rem;
  margin: 0;
  letter-spacing: .2px;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  color: var(--muted);
}

.product-ad a {
  text-decoration: none;
  color: inherit;
}

.product-ad a p {
  display: inline-block;
  margin: 0;
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 700;
  color: #001b1a;
  background: linear-gradient(135deg, #2cf6ea 0%, #1bd6c6 100%);
  border: 1px solid rgba(0, 255, 230, 0.55);
  box-shadow: 0 6px 14px rgba(0,0,0,.25);
  transition: transform .15s ease, box-shadow .15s ease;
}
.product-ad a p:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(0,0,0,.35);
}
.product-ad a:focus-visible p {
  outline: 2px solid var(--bg-cyan);
  outline-offset: 2px;
}

/* Footer copyright line */
footer p {
  margin: 8px auto 0;
  font-size: 0.88rem;
  color: rgba(214, 255, 255, 0.85);
  opacity: 0.95;
}

/* Focus styles for accessibility on focusable elements */
a:focus-visible {
  outline: 2px solid var(--bg-cyan);
  outline-offset: 2px;
  border-radius: 6px;
}
a:focus:not(:focus-visible) { outline: none; }

/* Responsive tweaks (tablet/desktop) */
@media (min-width: 640px) {
  main { padding: 2rem 2rem; }
  .image-frame { padding: 16px; }
  .product-ad { padding: 14px 18px; }
}

@media (min-width: 1024px) {
  .image-frame { border-radius: 22px; padding: 18px; }
  .image-frame img { border-radius: 14px; }
  footer { padding: 18px 0 28px; }
}