/* Cyberpunk, frosted-glass hero with diagonal gray lines and cyan accents
   Mobile-first, single stylesheet
*/
:root{
  --bg: #0b0f14;
  --glass: rgba(255,255,255,.08);
  --glass-border: rgba(0,255,255,.35);
  --cyan: #00e6ff;
  --cyan-dark: #00a8ff;
  --text: #eaffff;
  --shadow: 0 12px 40px rgba(0, 210, 255, 0.25);
}

/* Light reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial;
  color: var(--text);
  background-color: var(--bg);
  /* gray diagonal lines background + frosted cyberpunk feel */
  background-image:
    linear-gradient(rgba(0,0,0,.25), rgba(0,0,0,.25)),
    repeating-linear-gradient(135deg,
      rgba(80,80,80,.25) 0 6px,
      rgba(0,0,0,0) 6px 12px);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Accessible colors for links/text */
a { color: inherit; text-decoration: none; }

main {
  display: grid;
  place-items: center;
  padding: 24px 16px;
  width: 100%;
  flex: 1 0 auto;
}

/* Frosted glass hero frame containing the image */
.image-frame {
  width: 100%;
  max-width: 1100px;
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  padding: 16px;
  border-radius: 20px;
  background: rgba(8, 16, 22, 0.38);
  border: 1px solid rgba(0, 255, 255, 0.25);
  backdrop-filter: blur(6px) saturate(120%);
  -webkit-backdrop-filter: blur(6px) saturate(120%);
  box-shadow: var(--shadow);
  overflow: hidden;
  /* neon cyan glow around frame for hacker vibe */
  outline: 1px solid rgba(0, 255, 255, 0.15);
}
.image-frame::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  box-shadow: 0 0 0 2px rgba(0,255,255,.2),
              0 0 24px 6px rgba(0,255,255,.25);
  pointer-events: none;
}
.image-frame img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  image-rendering: auto;
}

/* Footer with featured product CTA */
footer {
  padding: 18px 16px;
  text-align: center;
  background: linear-gradient(to top, rgba(0,0,0,.25), rgba(0,0,0,.08));
}
.product-ad {
  display: inline-block;
  padding: 12px 16px;
  border-radius: 12px;
  background: rgba(2, 9, 20, 0.6);
  border: 1px solid rgba(0, 255, 255, 0.35);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  margin-bottom: 12px;
}
.product-ad h3 {
  font-size: 1rem;
  margin: 0 0 6px;
  color: #e2fffe;
}
.product-ad a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  /* bright cyan CTA */
  background: linear-gradient(135deg, #00e6ff 0%, #00a8ff 100%);
  color: #eaffff;
  text-decoration: none;
  font-weight: 700;
  box-shadow: 0 6px 14px rgba(0, 210, 255, 0.6);
}
.product-ad a:hover { transform: translateY(-1px); }
.product-ad a:focus-visible {
  outline: 3px solid #9af0ff;
  outline-offset: 2px;
}
.product-ad a p { margin: 0; }

/* Footer typography */
footer p { margin: 6px 0 0; color: #bcefff; font-size: 0.9rem; }

/* Focus styles for any link outside CTA for accessibility */
a:focus-visible { outline: 3px solid #9af0ff; outline-offset: 2px; }

/* Responsive tweaks (mobile-first) */
@media (min-width: 640px) {
  .image-frame { padding: 20px; border-radius: 22px; }
}
@media (min-width: 900px) {
  main { padding: 40px 0; }
  .image-frame { border-radius: 26px; padding: 24px; }
  .product-ad h3 { font-size: 1rem; }
}