/* Minimal, mobile-first, single stylesheet for a cyberpunk, frosted-glass landing */

:root{
  --bg: #0b0b12;
  --fg: #e9e6ff;
  --cyan: rgba(0, 255, 255, 0.85);
  --cyan-soft: rgba(0, 255, 255, 0.35);
  --purple: #9b6cff;
  --glass: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255,255,255,0.25);
  --shadow: 0 8px 28px rgba(0,0,0,.35);
}

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

html, body { margin: 0; padding: 0; height: 100%; }

body {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto;
  color: var(--fg);
  background-color: var(--bg);
  /* turquoise grid paper background (grid lines) */
  background-image:
    linear-gradient(to right, rgba(0, 255, 255, 0.25) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 255, 255, 0.25) 1px, transparent 1px);
  background-size: 40px 40px;
  background-attachment: fixed;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Frosted glass base look for containers */
.frost {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

/* Layout containers */
header {
  width: min(1100px, 92%);
  margin: 2rem auto;
  padding: 1.75rem 2rem;
  border-radius: 16px;
  text-align: center;
  background: rgba(18, 6, 38, 0.55);
  border: 1px solid rgba(138, 92, 255, 0.35);
  backdrop-filter: saturate(1.2) blur(6px);
  -webkit-backdrop-filter: saturate(1.2) blur(6px);
  /* subtle neon glow */
  box-shadow: 0 6px 28px rgba(66, 0, 255, 0.25);
}
header h1 {
  font-size: clamp(1.8rem, 2.2vw + 1rem, 3rem);
  margin: 0;
  color: #f7f2ff;
  letter-spacing: .2px;
  text-shadow: 0 0 12px rgba(138, 92, 255, 0.9);
}
main {
  display: grid;
  place-items: center;
  padding: 0 1rem 2rem;
}
.image-frame {
  width: min(860px, 92%);
  margin: 1.25rem auto;
  padding: 1rem;
  border-radius: 16px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.22);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.image-frame img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
}
footer {
  width: min(1100px, 92%);
  margin: 2rem auto;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.product-ad {
  padding: 1rem;
  border-radius: 16px;
  background: rgba(14, 0, 40, 0.65);
  border: 1px solid rgba(163, 0, 255, 0.35);
  text-align: left;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.product-ad h3 {
  margin: 0 0 0.25rem 0;
  font-size: 1.15rem;
  color: #e9dfff;
}
.product-ad a { text-decoration: none; display: inline-block; margin-top: .25rem; }
.product-ad a p {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1rem;
  border-radius: 999px;
  color: #fff;
  font-weight: 700;
  background: linear-gradient(135deg, rgba(122,0,255,0.95), rgba(0,210,255,0.95));
  box-shadow: 0 6px 18px rgba(0,0,0,.4);
}
.product-ad a p:hover { transform: translateY(-1px); }

/* Subtle CTA focus accessibility */
a:focus-visible,
button:focus-visible,
[data-focusable="true"]:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 2px;
  border-radius: 6px;
}
:focus:not(:focus-visible) { outline: none; }

/* Responsive adjustments */
@media (min-width: 768px) {
  header { padding: 2rem; }
  main { padding: 0 0 2rem; }
  footer { grid-template-columns: 1fr 1fr; }
}