/* Minimal reset and cyberpunk styling for a hacker-flavored landing page */
:root{
  --cyan: #00e5ff;
  --bg: #0a0f14;
  --glass: rgba(255,255,255,.08);
  --glass-border: rgba(0,230,255,.35);
  --text: #eaffff;
  --text-dim: rgba(234,255,255,.85);
}

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

html, body { height: 100%; }
body {
  margin: 0;
  padding: 0;
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial;
  background-color: #050a0f;
  /* cyan zigzag background (lightweight, data-URL-free) */
  background-image:
    linear-gradient(135deg, rgba(0,230,255,.12) 25%, transparent 25%),
    linear-gradient(225deg, rgba(0,230,255,.12) 25%, transparent 25%),
    linear-gradient(315deg, rgba(0,230,255,.12) 25%, transparent 25%),
    linear-gradient(45deg, rgba(0,230,255,.12) 25%, transparent 25%);
  background-size: 40px 40px;
  background-position: 0 0, 0 20px, 20px -20px, 20px 0;
  background-repeat: repeat;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

main {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 68vh;
  padding: 4vmin;
  isolation: isolate;
}
main::after {
  /* subtle neon glow behind hero to evoke hacker glow */
  content: "";
  position: absolute;
  inset: -2rem;
  border-radius: 1rem;
  background: radial-gradient(circle at 50% 40%, rgba(0,229,255,.15) 0 40%, transparent 60%);
  filter: blur(8px);
  pointer-events: none;
  z-index: -1;
}

.image-frame {
  width: min(100%, 900px);
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  padding: 14px;
  background: rgba(8,16,28,.65);
  border: 1px solid rgba(0, 230, 255, .5);
  backdrop-filter: blur(6px) saturate(110%);
  -webkit-backdrop-filter: blur(6px) saturate(110%);
  box-shadow: 0 14px 40px rgba(0,0,0,.5);
  /* frosted glass edge highlight */
  position: relative;
}
.image-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 18px;
  padding: 2px;
  background: linear-gradient( to bottom right, rgba(0,230,255,.25), rgba(0,0,0,0) );
  mask: linear-gradient(#000 0 0);
  pointer-events: none;
  filter: saturate(120%);
}
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
  display: block;
  /* subtle neon edge on the image to enhance cyberpunk feel */
  box-shadow: 0 0 24px rgba(0, 229, 255, .75);
}

footer {
  padding: 18px 16px;
  text-align: center;
  color: var(--text);
  background: rgba(2,6,12,.75);
  border-top: 1px solid rgba(0,230,255,.25);
}
.product-ad {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(0,230,255,.35);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  margin: 0 auto 10px;
}
.product-ad h3 {
  margin: 0;
  font-size: 1rem;
  letter-spacing: .4px;
  color: var(--text-dim);
  text-shadow: 0 0 8px rgba(0,255,255,.65);
}
.product-ad a {
  display: inline-block;
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 700;
  color: #041018;
  background: linear-gradient(#58ffff, #00e5ff);
  border: 1px solid rgba(0,255,255,.8);
  box-shadow: 0 0 12px rgba(0,255,255,.9);
}
.product-ad a:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}
.product-ad a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.product-ad a p { margin: 0; padding: 0; color: inherit; }

@media (min-width: 600px) {
  main { padding: 6vmin; }
  .image-frame { border-radius: 20px; padding: 16px; }
  .image-frame img { border-radius: 14px; }
}
@media (min-width: 900px) {
  footer { padding: 28px; }
  .product-ad { flex-direction: row; gap: 14px; align-items: center; justify-content: center; }
  .product-ad h3 { font-size: 1.05rem; }
}