/* CSS: hacker-meets-frosted-glass, lime-circuit, future-cyberpunk landing styling */

/* Light reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
html { font-size: 16px; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter, Arial;
  color: #eaffec;
  line-height: 1.6;
  /* Lime circuit board background over maroon base (mobile-first core) */
  background-color: #2b000f;
  background-image:
    /* subtle circuit grid */
    linear-gradient(rgba(0,0,0,.25), rgba(0,0,0,.25)),
    linear-gradient(0deg, rgba(0,0,0,.25) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,.25) 1px, transparent 1px),
    /* green glow vias */
    radial-gradient(circle at 20% 20%, rgba(170,255,120,.10), transparent 40%),
    radial-gradient(circle at 70% 60%, rgba(170,255,120,.08), transparent 40%),
    /* stronger vertical/horizontal grid */
    repeating-linear-gradient(0deg, rgba(0,0,0,.15) 0 1px, transparent 1px 40px),
    repeating-linear-gradient(90deg, rgba(0,0,0,.15) 0 1px, transparent 1px 40px);
  background-blend-mode: multiply;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding: 0;
  min-height: 100%;
  overflow-x: hidden;
}

/* Global link focus for accessibility */
a:focus-visible, button:focus-visible {
  outline: 3px solid #aaff66;
  outline-offset: 2px;
  border-radius: 6px;
}
a { color: #9aff66; text-decoration: none; }
a:hover { color: #cfff95; }

/* Layout containers (mobile-first) */
header {
  width: min(1060px, 92%);
  margin: 1rem auto;
  padding: 1.75rem 1.25rem;
  text-align: center;
  border-radius: 14px;
  background: rgba(12, 0, 0, 0.38); /* frosted look over backdrop */
  border: 1px solid rgba(0, 255, 150, 0.38);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 10px 28px rgba(0,0,0,.25);
}
header h1 {
  margin: 0 0 .4rem;
  font-weight: 700;
  font-family: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto;
  font-size: clamp(1.8rem, 1.5rem + 2vw, 3rem);
  color: #d6ff7a;
  letter-spacing: .4px;
  text-shadow: 0 0 12px rgba(214,255,122,.55);
}
header .meta {
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88rem;
  color: rgba(230,255,230,.88);
}

/* Featured image as hero visual */
.featured-image {
  width: min(1000px, 92%);
  margin: 1rem auto 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(0,0,0,.25);
  box-shadow: 0 14px 34px rgba(0,0,0,.45);
  background: rgba(0,0,0,.25);
}
.featured-image img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* Article styling with frosted glass body for readability on circuit bg */
main {
  display: grid;
  justify-items: center;
  padding: 0 1rem;
}
article {
  width: min(1000px, 92%);
  padding: 1rem 1rem 2rem;
  margin: 0.75rem 0 2rem;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  color: #eaffea;
}
article p {
  margin: 0 0 1rem;
  font-size: 1rem;
}
article img { max-width: 100%; height: auto; }

/* Footer with a frosted glass ad block as CTA area */
footer {
  width: 100%;
  display: grid;
  justify-items: center;
  padding: 1.5rem 1rem 3rem;
  gap: 1rem;
  background: rgba(0,0,0,.15);
}
.product-ad {
  width: min(420px, 90%);
  padding: .9rem;
  text-align: center;
  border-radius: 12px;
  border: 1px solid rgba(0,255,150,.6);
  background: rgba(5, 25, 10, 0.38);
  box-shadow: 0 8px 22px rgba(0,0,0,.25);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.product-ad h3 {
  margin: 0 0 .4rem;
  font-size: 1.05rem;
  color: #d6ff7a;
}
.product-ad a {
  display: inline-block;
  padding: .6rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(0,255,150,.7);
  background: rgba(0,0,0,.28);
  color: #eaffd7;
  font-weight: 700;
}
.product-ad a:hover { background: rgba(0,0,0,.4); }

/* Subtle footer text */
footer p {
  margin: 0;
  font-size: .9rem;
  color: rgba(230,255,230,.85);
}

/* Responsive tweaks (mobile-first) */
@media (min-width: 640px) {
  header { text-align: left; padding: 2rem 1.75rem; border-radius: 16px; }
  header h1 { font-size: clamp(2rem, 1.6rem + 1.6vw, 3.25rem); }
  main { padding: 0 2rem; }
}
@media (min-width: 900px) {
  header { display: grid; grid-template-columns: 1fr; align-items: center; padding: 2.5rem 2.5rem; }
  article { padding: 1.25rem; }
}