/* Minimal CSS reset and a single responsive stylesheet for a cyberpunk landing page */

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

:root {
  --bg0: #0b1020;
  --bg1: #141a38;
  --bg2: #1a1f3a;
  --glass: rgba(12, 14, 28, 0.65);
  --glass-border: rgba(110, 170, 255, 0.45);
  --ink: #e8f0ff;
  --neon: #00e5ff;
  --neon2: #7c3aed;
  --card: rgba(8, 12, 28, 0.65);
}

html, body { height: 100%; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  color: var(--ink);
  background-color: var(--bg0);
  /* Blue-noise-like texture using layered gradients for a hacker vibe */
  background-image:
    radial-gradient(circle at 1px 1px, rgba(0, 235, 255, 0.25) 1px, transparent 1px),
    radial-gradient(circle at 2px 6px, rgba(0,0,0,0.08) 2px, transparent 2px),
    radial-gradient(circle at 20px 0px, rgba(0, 0, 0, 0.08) 2px, transparent 2px),
    linear-gradient(135deg, #0a0f22 0%, #0a0f2e 60%, #071026 100%);
  background-size: 4px 4px, 8px 8px, 40px 40px, 100% 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.4;
}

/* Hero layout (mobile-first) */
main {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 6vmin 1rem 2rem;
  flex: 1 1 auto;
}

.image-frame {
  width: min(92vw, 860px);
  background: rgba(16, 20, 40, 0.65);
  border: 1px solid rgba(100, 190, 255, 0.45);
  border-radius: 16px;
  padding: 1.25rem;
  box-shadow: 0 20px 60px rgba(0, 100, 255, 0.35);
  backdrop-filter: blur(8px) saturate(1.25);
  -webkit-backdrop-filter: blur(8px) saturate(1.25);
  position: relative;
  overflow: hidden;
}

.image-frame img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  filter: saturate(1.05) contrast(1.02);
  /* Subtle inner glow to reinforce cyberpunk vibe */
  box-shadow: inset 0 0 12px rgba(0, 180, 255, 0.25);
}

.image-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 16px;
  box-shadow: 0 0 0 2px rgba(0, 180, 255, 0.25);
  pointer-events: none;
  mix-blend-mode: overlay;
}

/* Footer with a frosted glass, prominent CTA */
footer {
  margin-top: auto;
  padding: 2rem 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  background: linear-gradient(to top, rgba(2,6,23,0.85), rgba(2,6,23,0.55) 60%, rgba(2,6,23,0.85) 100%);
}

/* Product ad block (CTA area) */
.product-ad {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  background: rgba(11, 16, 34, 0.65);
  border: 1px solid rgba(120, 170, 255, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  text-align: center;
  min-width: min(60vw, 320px);
}

.product-ad h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: #a6e6ff;
  text-shadow: 0 0 8px rgba(0, 235, 255, 0.6);
}

.product-ad a {
  text-decoration: none;
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 700;
  color: #001b30;
  background: linear-gradient(135deg, rgba(0, 230, 255, 0.95), rgba(0, 120, 255, 0.95));
  border: 1px solid rgba(255,255,255,0.4);
  box-shadow: 0 0 14px rgba(0, 235, 255, 0.8);
  transition: transform .15s ease;
}
.product-ad a:hover { transform: translateY(-1px); }
.product-ad a:focus-visible {
  outline: 3px solid var(--neon);
  outline-offset: 2px;
}
.product-ad p {
  margin: 6px 0 0;
  color: #d7e7ff;
}

/* Small footer text */
footer p {
  margin: 0;
  font-size: .9rem;
  color: #93a4c9;
  opacity: .95;
}

/* Responsive tweaks */
@media (min-width: 700px) {
  main { padding: 4rem 0; }
  .image-frame { padding: 1.5rem; }
  .product-ad { min-width: 320px; }
  .product-ad h3 { letter-spacing: .25em; }
}

@media (min-width: 1024px) {
  body { background-attachment: fixed; }
  main { padding: 6rem 0; }
  .image-frame { border-radius: 20px; padding: 1.75rem; }
  .product-ad h3 { font-size: 0.95rem; }
}