/* Hacker cyberpunk landing: mobile-first, purple stripes, navy frost glass */
*,
*::before,
*::after { box-sizing: border-box; }
html, body { height: 100%; }
html { font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter, Arial; }
body {
  margin: 0;
  color: #e8eaff;
  background: #0b1020;
  /* purple striped pattern background (light frost over stripes) */
  background-image:
    repeating-linear-gradient(135deg,
      rgba(140, 0, 170, 0.25) 0px,
      rgba(140, 0, 170, 0.25) 12px,
      transparent 12px,
      transparent 24px);
  background-size: 100% 100%;
  background-attachment: fixed;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: #7bdcff; text-decoration: none; }
a:focus-visible { outline: 3px solid #00e6ff; outline-offset: 2px; border-radius: 6px; }

/* Layout: hero frame centered on mobile */
main {
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  min-height: calc(100vh - 120px);
}

/* Frosted glass image frame (hero) */
.image-frame {
  width: min(92vw, 860px);
  border-radius: 16px;
  overflow: hidden;
  background: rgba(15, 20, 50, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.45), inset 0 1px 2px rgba(255,255,255,0.08);
  margin: 1rem auto;
}
.image-frame img {
  display: block;
  width: 100%;
  height: auto;
  filter: saturate(1.05);
  transform: translateZ(0);
  /* subtle neon glow around image edges */
  box-shadow: 0 0 12px rgba(0, 238, 255, 0.4);
}
.image-frame::after {
  content: "";
  display: block;
  height: 4px;
  background: linear-gradient(90deg, rgba(0, 238, 255, 0.8), rgba(186, 0, 255, 0.8), rgba(0, 238, 255, 0.8));
  opacity: 0.8;
  mix-blend-mode: screen;
  pointer-events: none;
}

/* Footer with CTA as frosted card + neon button */
footer {
  padding: 1.75rem 1rem;
  text-align: center;
  color: #cbd6ff;
  background: rgba(7, 10, 28, 0.6);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(6px);
}
.product-ad {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  background: rgba(16, 22, 60, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 6px 22px rgba(0,0,0,0.4);
}
.product-ad h3 {
  font-size: 1rem;
  margin: 0;
  white-space: nowrap;
}
.product-ad a { display: inline-flex; align-items: center; text-decoration: none; }
.product-ad p {
  margin: 0;
  padding: 0.55em 1em;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(100,0,180,0.95), rgba(0,180,240,0.95));
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.2px;
  box-shadow: 0 0 10px rgba(0, 238, 255, 0.65);
}

/* Accessibility-friendly focus for interactive elements inside footer */
.product-ad a:focus-visible { outline: 3px solid #00e6ff; outline-offset: 2px; border-radius: 6px; }

/* Small screens: stack feeling while keeping hero visible */
@media (min-width: 700px) {
  main { padding: 3rem 2rem; }
  .image-frame { border-radius: 20px; }
  footer { padding: 2rem 1.5rem; }
}
@media (min-width: 1024px) {
  main { padding: 4rem 3rem; }
  .product-ad { font-size: 1.05rem; }
  .image-frame { transform: translateZ(0); }
}