/* Minimal, responsive CSS for a hacker-themed landing with paper texture and frosted glass */
:root {
  --paper: #f7f5f1;
  --maroon: #7a1f2b;
  --maroon-dark: #541225;
  --text: #1a1a1a;
  --glass: rgba(255, 255, 255, 0.18);
  --glass-border: rgba(255, 255, 255, 0.6);
  --shadow: 0 12px 40px rgba(0,0,0,.18);
  --neon: #00ffd5;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* Light reset and paper-like background texture */
html, body { height: 100%; }
body {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter, Arial;
  color: var(--text);
  background: var(--paper);
  /* subtle paper texture: tiny specks */
  background-image: radial-gradient(circle at 1px 1px, rgba(0,0,0,.08) 1px, transparent 1px);
  background-size: 4px 4px;
  min-height: 100vh;
}

/* Mobile-first layout: hero area centered, clear CTA in footer */
main { display: grid; place-items: center; padding: 2rem 1rem; }

/* Frosted glass container around the image (hero) */
.image-frame {
  width: min(92%, 860px);
  background: rgba(255, 255, 255, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 16px;
  padding: 1.25rem;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: var(--shadow);
}

/* Image styling inside frosted panel */
.image-frame img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
}

/* Footer with prominent CTA section (maroon hacker vibe) */
footer { width: 100%; padding: 1.5rem 0 2rem; }

/* CTA block styled as a bold, accessible maroon panel */
.product-ad {
  background: linear-gradient(135deg, rgba(122,28,45,.95), rgba(40,0,0,.95));
  color: #fff;
  width: min(92%, 720px);
  margin: 0 auto;
  border-radius: 14px;
  padding: 1rem 1.25rem;
  text-align: center;
  box-shadow: 0 10px 28px rgba(0,0,0,.25);
}

/* CTA heading and link styles */
.product-ad h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  letter-spacing: .2px;
}
.product-ad a {
  display: inline-block;
  padding: .65rem 1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.6);
}
.product-ad a:hover { background: rgba(255, 255, 255, 0.25); }

/* Focus styles for accessibility (visible focus for keyboard users) */
.product-ad a:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 2px;
}

/* Footer note styling */
footer p {
  color: #2b2b2b;
  opacity: .75;
  font-family: inherit;
  text-align: center;
  margin-top: .75rem;
}

/* Desktop refinements for larger screens */
@media (min-width: 768px) {
  main { padding-top: 3rem; }
  .image-frame { padding: 1.5rem; }
  .product-ad { width: min(800px, 80%); }
}