/* Styles for article pages (about, specs, how-it-works) */
* {
  box-sizing: border-box;
}

body {
  background-color: #0a0a0a;
  margin: 0;
  font-family: "Times New Roman", Georgia, serif;
  color: #ccc;
  line-height: 1.7;
}

/* Header */
header#heading {
  background: #000;
  padding: 30px 40px;
  border-bottom: 1px solid #222;
}

header#heading h1 {
  color: #fff;
  font-size: 1.8em;
  font-weight: 300;
  margin: 0 0 15px 0;
  letter-spacing: 2px;
}

header#heading nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

header#heading nav a {
  color: #888;
  text-decoration: none;
  font-size: 0.9em;
  letter-spacing: 1px;
  transition: color 0.2s;
}

header#heading nav a:hover {
  color: #fff;
}

/* Main Content */
main#article-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 50px 30px;
}

main#article-content article h1 {
  display: none; /* Hide duplicate h1 */
}

main#article-content h2 {
  color: #fff;
  font-size: 1.3em;
  font-weight: 400;
  margin: 40px 0 20px 0;
  padding-bottom: 10px;
  border-bottom: 1px solid #333;
  letter-spacing: 1px;
}

main#article-content h3 {
  color: #ddd;
  font-size: 1.1em;
  font-weight: 400;
  margin: 30px 0 15px 0;
}

main#article-content p {
  margin: 15px 0;
  color: #aaa;
  font-size: 1em;
}

main#article-content ul,
main#article-content ol {
  margin: 20px 0;
  padding-left: 25px;
  color: #aaa;
}

main#article-content li {
  margin: 10px 0;
}

main#article-content strong {
  color: #fff;
}

main#article-content a {
  color: #6af;
  text-decoration: none;
}

main#article-content a:hover {
  text-decoration: underline;
}

/* Ad spaces */
.ad-space,
main#article-content > article > div[style*="margin"] {
  margin: 40px 0;
  min-height: 100px;
  background: rgba(255,255,255,0.02);
  border-radius: 4px;
}

/* Footer */
footer {
  text-align: center;
  padding: 40px;
  color: #555;
  font-size: 0.85em;
  border-top: 1px solid #222;
}

/* Responsive */
@media (max-width: 600px) {
  header#heading {
    padding: 20px;
  }
  
  header#heading h1 {
    font-size: 1.4em;
  }
  
  header#heading nav {
    gap: 15px;
  }
  
  main#article-content {
    padding: 30px 20px;
  }
  
  main#article-content h2 {
    font-size: 1.2em;
  }
}