/* Minimal reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI";
  color: #f7f7ff;
  /* Yellow striped background + dark base for cyberpunk vibe */
  background: 
    linear-gradient(rgba(0,0,0,0.55), rgba(0,0,0,0.55)),
    repeating-linear-gradient(
      135deg,
      rgba(255, 223, 0, 0.25) 0 12px,
      rgba(0,0,0,0) 12px 24px
    ),
    #0a0a0a;
  background-blend-mode: multiply;
  min-height: 100vh;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Layout foundation - mobile-first */
main {
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
}

.image-frame {
  width: min(720px, 92vw);
  aspect-ratio: 16 / 9;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(6px) saturate(120%);
  -webkit-backdrop-filter: blur(6px) saturate(120%);
  box-shadow: 0 18px 60px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.12);
}
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(1.05);
}
.image-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  /* Subtle vignette for hacker-glass look */
  background: radial-gradient(circle at 50% 40%, rgba(0,0,0,0) 0 40%, rgba(0,0,0,0.25) 60%, rgba(0,0,0,0.55) 100%);
  pointer-events: none;
}

/* Frosted glass feel applied to a header-like block (optional enhancement) */
.glass {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 14px;
  padding: 0.75rem 1rem;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

/* Product ad / CTA styling (prominent CTA) */
footer {
  padding: 1.75rem 1rem 2rem;
  text-align: center;
  color: rgba(230, 240, 255, 0.95);
}

.product-ad {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  width: min(760px, 92%);
  margin: 1.25rem auto;
  padding: 1rem;
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.product-ad h3 {
  margin: 0;
  font-size: 1rem;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: #ff39d5; /* magenta accent */
  text-shadow: 0 0 6px rgba(255, 57, 213, 0.8);
}

.product-ad a { text-decoration: none; color: inherit; }
.product-ad a p {
  margin: 0;
  padding: .75rem 1.25rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #ff2bd9, #ff6bd6);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 6px 18px rgba(255, 0, 180, 0.6);
  display: inline-block;
  transition: transform .2s ease;
}
.product-ad a:hover p { transform: translateY(-1px); }

/* Focus styles for accessibility on interactive elements */
a:focus-visible,
button:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 2px;
  border-radius: 6px;
}
.product-ad a:focus-visible p {
  box-shadow: 0 0 0 4px rgba(255,255,255,0.28), 0 6px 18px rgba(255,0,180,0.6);
}

/* Small utilities for readability on stripes */
h1, h2, h3, h4, p {
  margin: 0;
}
p { line-height: 1.5; }

/* Responsive adjustments (tablet/desktop) */
@media (min-width: 700px) {
  main { padding: 3rem 2rem; }
  .image-frame { width: min(860px, 70vw); border-radius: 26px; }
  .product-ad { width: min(860px, 70vw); }
}