/* Minimal reset and mobile-first base */
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --teal: #2ee8d1;
  --teal-dark: #0fb2a3;
  --bg: #04070b;
  --glass: rgba(255,255,255,0.08);
  --glass-border: rgba(46,255,208,0.6);
  --text: #e8fffe;
  --muted: #baf7f0;
}

html, body { height: 100%; }

body {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto;
  color: var(--text);
  background: var(--bg);
  /* white striped pattern over dark cyberpunk base */
  background-image:
    linear-gradient(135deg, rgba(0,0,0,0.0) 0 0),
    repeating-linear-gradient(to bottom,
      rgba(255,255,255,0.08) 0 6px,
      rgba(255,255,255,0) 6px 12px);
  background-blend-mode: overlay;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
}

/* Frosted glass image frame / hero area */
.image-frame {
  width: min(92vw, 860px);
  padding: 1.25rem;
  border-radius: 20px;
  background: var(--glass);
  border: 1px solid rgba(46, 255, 208, 0.65);
  backdrop-filter: blur(8px) saturate(1.25);
  -webkit-backdrop-filter: blur(8px) saturate(1.25);
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
  position: relative;
  overflow: hidden;
}
.image-frame:after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(0,0,0,0) 60%, rgba(0,0,0,0.15) 100%);
  pointer-events: none;
  mix-blend-mode: multiply;
}
.image-frame img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  transition: transform 0.4s ease;
}
.image-frame:hover img { transform: scale(1.01); }

/* Footer / product ad - glassy section */
footer {
  padding: 1.75rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  color: var(--text);
  background: linear-gradient(to top, rgba(4,7,12,0.75), rgba(4,7,12,0.25));
  width: 100%;
  border-top: 1px solid rgba(0,255,255,0.25);
  margin-top: 1rem;
}
.product-ad {
  background: rgba(0,0,0,0.25);
  border: 1px solid rgba(0, 255, 230, 0.6);
  border-radius: 12px;
  padding: 0.8rem 1rem;
  text-align: center;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  min-width: 220px;
}
.product-ad h3 {
  font-size: 1rem;
  color: #a8fff0;
  margin-bottom: .25rem;
}
.product-ad p {
  margin: 0.25rem 0 0;
  color: #e8fffe;
  font-weight: 600;
}
.product-ad a {
  display: inline-block;
  margin-top: .5rem;
  padding: .5rem 1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(0,255,200,0.95), rgba(0,180,180,0.95));
  color: #002119;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}
.product-ad a:hover { transform: translateY(-1px); }

/* Small helper text color */
footer p { font-size: .9rem; color: var(--muted); }

/* Focus accessibility for keyboard navigation */
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 2px;
  border-radius: 8px;
  box-shadow: 0 0 0 6px rgba(46,232,209,0.15);
}

/* Ensure no unexpected motion for users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* Responsive tweaks (mobile-first) */
@media (min-width: 768px) {
  main { padding: 3rem 0; }
  .image-frame { width: min(70vw, 860px); }
  footer {
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    padding: 2rem 1rem;
  }
}