/* Global reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
html, body { margin: 0; padding: 0; }

/* Color and theme tokens */
:root {
  --bg: #06101e;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-strong: rgba(255, 255, 255, 0.12);
  --text: #e6f0fa;
  --muted: #a6b9d4;
  --cyan: #4bd3ff;
  --cyan-dark: #0ea5e9;
}

/* Blue crosshatch background + hacker vibe */
body {
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial;
  background-color: var(--bg);
  background-image:
    linear-gradient(45deg, rgba(0, 150, 255, 0.15) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(0, 150, 255, 0.15) 25%, transparent 25%);
  background-size: 12px 12px;
  background-position: 0 0, 6px 6px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  overflow-x: hidden;
  letter-spacing: .2px;
  box-sizing: border-box;
}
* { box-sizing: inherit; }

/* Layout: mobile-first, centered hero image */
main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4vmin 1rem;
  min-height: calc(100vh - 140px);
}

/* Frosted glass frame around the image (cyberpunk glass) */
.image-frame {
  width: min(92vw, 860px);
  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, 0.22);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.45);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.image-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  /* inner glow for glassy vibe */
  box-shadow: inset 0 0 60px rgba(0, 180, 255, 0.25);
  pointer-events: none;
}
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Footer + CTA styling (prominent CTA button) */
footer {
  padding: 1.5rem;
  text-align: center;
  color: var(--text);
  background: rgba(2, 6, 23, 0.65);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.product-ad { display: inline-block; padding: 0.25rem 0; margin-bottom: 0.75rem; }
.product-ad h3 {
  font-size: 0.95rem;
  margin: 0 0 0.25rem;
  color: #a5f3fc;
  font-weight: 700;
  letter-spacing: .2px;
}
.product-ad a { text-decoration: none; display: inline-flex; align-items: center; justify-content: center; }
.product-ad a p {
  margin: 0;
  padding: 0.65rem 1.1rem;
  border-radius: 999px;
  font-weight: 800;
  color: #0b1220;
  background: linear-gradient(135deg, #22d3ee, #2563eb);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 6px 18px rgba(0, 180, 255, 0.6);
}
.product-ad a:hover p { transform: translateY(-1px); filter: brightness(1.05); }

/* Focus styles for accessibility (keyboard navigation) */
.product-ad a:focus-visible {
  outline: 2px solid #4ade80;
  outline-offset: 2px;
}

/* Responsiveness: larger screens get a bit more breathing room */
@media (min-width: 768px) {
  main { padding: 6vmin 2rem; }
  .image-frame { border-radius: 22px; }
  .product-ad h3 { font-size: 1rem; }
}
@media (min-width: 1024px) {
  main { padding: 6vmin 0; }
}