/* Cyberpunk landing: lime zigzag background, blue hacker theme, frosted glass, mobile-first */ 

:root{
  --bg: #0a1020;
  --fg: #e6f5ff;
  --blue: #3ab7ff;
  --blue-dark: #1e6fae;
  --lime: #baff00;
  --glass: rgba(255,255,255,.08);
  --border: rgba(100,180,255,.5);
  --shadow: rgba(0,0,0,.5);
}

/* Light reset */
*,
*::before,
*::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  color: var(--fg);
  background: var(--bg);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  background-image:
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='40' height='40' viewBox='0 0 40 40'><path d='M0,20 L10,10 L20,20 L30,10 L40,20 L40,40 L0,40 Z' fill='%23baff00'/></svg>");
  background-repeat: repeat;
  background-size: 40px 40px;
  position: relative;
  isolation: isolate;
}
body::after{
  content:"";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient( circle at 20% 0%, rgba(0,180,255,.15), transparent 40% ),
              radial-gradient( circle at 80% 15%, rgba(0,180,255,.12), transparent 40% ),
              linear-gradient(rgba(0,0,0,.0), rgba(0,0,0,.0));
  mix-blend-mode: screen;
  z-index: 0;
}

/* Layout */
main {
  padding: 2rem 1rem;
  display: grid;
  gap: 1.6rem;
  justify-items: center;
  align-items: center;
  max-width: 960px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.image-frame {
  width: min(92vw, 720px);
  border-radius: 16px;
  padding: 1rem;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(180, 230, 255, .5);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 12px 40px rgba(0,0,0,.5);
  display: grid;
  place-items: center;
}
.image-frame img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid rgba(180,230,255,.6);
  background: #06111a;
  display: block;
}
footer {
  text-align: center;
  color: #d7eaff;
  padding: 1.25rem;
  margin-top: 0.5rem;
  z-index: 1;
  position: relative;
}
.product-ad {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: .55rem;
  padding: .9rem 1rem;
  border-radius: 12px;
  background: rgba(255,255,255,.08);
  border: 1px solid var(--border);
  box-shadow: 0 6px 20px rgba(0,0,0,.35);
}
.product-ad h3 {
  margin: 0;
  font-size: 1rem;
  color: #c8f0ff;
}
.product-ad a {
  text-decoration: none;
  display: inline-block;
  padding: .6rem .95rem;
  border-radius: 8px;
  background: #0d8cff;
  color: white;
  font-weight: 700;
  border: 1px solid rgba(255,255,255,.5);
  text-shadow: 0 0 6px rgba(0,0,0,.25);
  transition: transform .2s ease, filter .2s ease;
  box-shadow: 0 0 12px rgba(13,140,255,.9);
}
.product-ad a:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}
.product-ad a:focus-visible {
  outline: 3px solid #9bdfff;
  outline-offset: 2px;
}
.product-ad p { margin: 0; }

/* Focus styles for accessibility on links and buttons */
a:focus-visible, button:focus-visible {
  outline: 3px solid #7bd9ff;
  outline-offset: 2px;
  border-radius: 6px;
}

/* Responsive adjustments (mobile-first) */
@media (min-width: 600px) {
  main { padding: 3rem 2rem; }
  .image-frame { width: 100%; max-width: 760px; }
}
@media (min-width: 1024px) {
  body { font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Inter, Roboto; }
  main { gap: 2rem; }
  footer { padding: 1.75rem 0; }
}