/* Reset and base */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color: #e9eaff;
  background: #05060c;
  /* indigo metallic sheen */
  background-image:
    radial-gradient(circle at 20% 0, rgba(124,58,237,.25), transparent 40%),
    linear-gradient(135deg, #0b0f1f 0%, #04070f 60%, #0b0f1f 100%);
  background-blend-mode: overlay;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Frosted glass and hacker-toned surface tokens */
:root {
  --accent: #7c3aed;       /* indigo */
  --accent2: #4de0ff;       /* cyan for focus/glow */
  --surface: rgba(255,255,255,0.08);
  --surface-strong: rgba(255,255,255,0.14);
  --text: #eaf0ff;
  --muted: #cbd5e1;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(0,0,0,.45);
  --glow: 0 0 14px rgba(124,58,237,.65);
}

header {
  width: 100%;
  padding: 2.5rem 1rem;
  text-align: center;
  /* frosted glass header with subtle sheen */
  background: rgba(8, 8, 20, 0.65);
  border-bottom: 1px solid rgba(180,190,255,.25);
  backdrop-filter: blur(7px) saturate(1.1);
  -webkit-backdrop-filter: blur(7px) saturate(1.1);
  position: sticky;
  top: 0;
  z-index: 3;
  /* slight inner glow to feel metallic */
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
}

header h1 {
  margin: 0 0 0.5rem;
  font-size: 2rem;
  letter-spacing: .4px;
  color: #eaf1ff;
  text-shadow: 0 0 8px rgba(124,58,237,.75);
}

header .meta {
  color: var(--muted);
  font-size: .92rem;
  opacity: .95;
}

/* Main content as frosted glass panel for a cyberpunk look */
main {
  padding: 1rem;
}
main > article {
  max-width: 720px;
  margin: 0 auto;
  padding: 1rem;
  background: rgba(2,3,12,0.55);
  border: 1px solid rgba(150,170,255,.25);
  border-radius: var(--radius);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: var(--shadow);
  color: var(--text);
}

/* Featured image styling */
.featured-image {
  margin: 0 0 1rem 0;
}
.featured-image img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.25);
  display: block;
  box-shadow: 0 8px 20px rgba(0,0,0,.4);
}

/* Article text layout */
article {
  color: var(--text);
  font-size: 1rem;
  line-height: 1.75;
}
article > * + * { margin-top: 1rem; }

/* Footer with a frosted glass panel containing a CTA */
footer {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
}
.product-ad {
  width: 100%;
  max-width: 680px;
  background: rgba(8,8,20,.58);
  border: 1px solid rgba(140,160,255,.28);
  border-radius: 12px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: inset 0 0 20px rgba(0,0,0,.25);
}
.product-ad h3 {
  margin: 0 0 .25rem 0;
  font-size: 1.05rem;
  color: #eaf2ff;
}
.product-ad a {
  display: inline-block;
  text-decoration: none;
  border-radius: 999px;
  padding: .75rem 1.05rem;
  background: linear-gradient(135deg, #1a1b2a 0%, #0b0f22 100%);
  color: white;
  border: 1px solid rgba(124,58,237,.95);
  box-shadow: 0 6px 14px rgba(0,0,0,.4), inset 0 1px rgba(255,255,255,.25);
  transition: transform .15s ease;
}
.product-ad a:hover { transform: translateY(-1px); }
.product-ad a:focus-visible {
  outline: 2px solid var(--accent2);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(77,224,255,.25);
}
.product-ad a p { margin: 0; padding: 0; color: inherit; }

/* Footer copyright text */
footer > p {
  margin: 0;
  color: #cbd5e1;
  font-size: .92rem;
  opacity: .95;
}

/* Responsive tweaks (mobile-first) */
@media (min-width: 600px) {
  header { padding: 3.5rem 1.5rem; }
  header h1 { font-size: 2.4rem; }
  main > article { padding: 1.25rem 1.25rem; }
  article { font-size: 1.04rem; }

  .product-ad { flex-direction: row; align-items: center; justify-content: space-between; padding: 1.1rem; }
  .product-ad h3 { font-size: 1.15rem; }
  .product-ad a { padding: .85rem 1.1rem; }

  footer { padding: 1.5rem 0 2rem; }
}

@media (min-width: 1024px) {
  main { padding: 0 1.5rem; }
  main > article { padding: 1.75rem; }
  header { padding: 4rem 2rem; }
  header h1 { font-size: 2.8rem; }
  .featured-image { margin: 0 0 1rem 0; }
}