/* Frosted Glass Cyberpunk Hero — single stylesheet (mobile-first) */

/* Reset & base */
*,
*::before,
*::after { box-sizing: border-box; }
:root {
  --indigo-500: #4f46e5;
  --indigo-600: #4338ca;
  --indigo-700: #3730a3;
  --fg: #e9eaff;
  --glass: rgba(255,255,255,.08);
  --stroke: rgba(255,255,255,.25);
  --shadow: 0 8px 28px rgba(0,0,0,.45);
}
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Inter, Arial;
  color: var(--fg);
  line-height: 1.4;
  background: 
    radial-gradient(circle at 10% 20%, rgba(255,255,255,.9) 1px, transparent 1.2px),
    radial-gradient(circle at 60% 120%, rgba(180,210,255,.65) 1px, transparent 1.2px),
    radial-gradient(circle at 80% 60%, rgba(255,255,255,.75) 1px, transparent 1.2px),
    radial-gradient(circle at 30% 70%, rgba(170,190,255,.6) 1px, transparent 1.2px),
    linear-gradient(#0b1020, #0b1020);
  background-size: 80px 80px, 140px 140px, 180px 180px, 200px 200px, 100% 100%;
  background-attachment: fixed;
  position: relative;
  isolation: isolate;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 50% 40%, rgba(210,230,255,.10) 0 25%, transparent 60%),
              radial-gradient(circle at 20% 70%, rgba(170,180,210,.07) 0 25%, transparent 60%);
  mix-blend-mode: screen;
  z-index: 0;
}

/* Layout: mobile-first hero center */
main {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  align-items: center;
  padding: 2rem 1rem;
  min-height: 60vh;
}

/* Frosted glass frame around the image (hero) */
.image-frame {
  width: min(700px, 92%);
  padding: 1rem;
  border-radius: 16px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.25);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  overflow: hidden;
  position: relative;
}
.image-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 16px;
  pointer-events: none;
  border: 1px solid rgba(255,255,255,.15);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.08);
}
.image-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  image-rendering: crisp-edges;
}

/* Subtle overlay to enhance cyberpunk depth */
.image-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 16px;
  background: linear-gradient(to bottom right, rgba(0,0,0,.0), rgba(0,0,0,.15) 60%);
  mix-blend-mode: multiply;
  pointer-events: none;
  opacity: .25;
}

/* Footer CTA: prominent, accessible */
footer {
  width: 100%;
  padding: 1.75rem 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  background: linear-gradient(to top, rgba(0,0,0,.25), rgba(0,0,0,.0));
  position: relative;
  z-index: 1;
}
.product-ad {
  text-align: center;
  padding: .75rem 1rem;
  border-radius: 12px;
  background: rgba(8,12,40,.55);
  border: 1px solid rgba(170,190,255,.25);
  box-shadow: 0 8px 22px rgba(0,0,0,.4);
  min-width: 240px;
}
.product-ad h3 {
  margin: 0 0 6px 0;
  font-size: .95rem;
  color: #cfe0ff;
  letter-spacing: .4px;
}
.product-ad a {
  text-decoration: none;
  display: inline-block;
}
.product-ad a p {
  margin: 0;
  padding: .75rem 1.15rem;
  border-radius: 999px;
  font-weight: 700;
  color: #f7fbff;
  background: linear-gradient(135deg, rgba(99,102,241,.95), rgba(29,78,216,.95));
  border: 1px solid rgba(255,255,255,.55);
  text-shadow: 0 1px 0 rgba(0,0,0,.25);
}
.product-ad a:focus-visible,
.product-ad a:focus {
  outline: 3px solid #93c5fd;
  outline-offset: 2px;
  border-radius: 999px;
}
.product-ad a:hover p {
  filter: brightness(1.05);
  transform: translateY(-1px);
  transition: transform .15s ease;
}

/* Footer copyright line */
footer p {
  margin: 0;
  padding: 0.25rem 0;
  color: #cbd5e1;
  font-size: .9rem;
  opacity: .95;
}

/* Accessibility: high-contrast link focus for all interactive controls */
a:focus-visible, button:focus-visible {
  outline: 2px solid #93c5fd;
  outline-offset: 2px;
  border-radius: 6px;
}

/* Desktop: slight elevation and centered composition */
@media (min-width: 768px) {
  main { padding: 3rem 2rem; min-height: 70vh; }
  .image-frame { width: min(820px, 78%); }
  footer { justify-content: center; }
}