:root {
    --bg-dark: #0a0a2e;
    --bg-medium: #16163a;
    --bg-card: #1e1e4a;
    --neon-green: #39ff14;
    --neon-cyan: #00e5ff;
    --neon-pink: #ff2d78;
    --neon-purple: #b44dff;
    --neon-yellow: #ffe600;
    --text-light: #e0e0e0;
    --text-dim: #8888aa;
    --border-color: #2a2a5a;
  }

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

  body {
    background: var(--bg-dark);
    color: var(--text-light);
    font-family: var(--font-body);
    font-size: calc(20px * var(--body-scale));
    line-height: 1.6;
    min-height: 100vh;
  }

  header {
    text-align: center;
    padding: 60px 20px 40px;
    border-bottom: 3px dashed var(--border-color);
  }

  header h1 {
    font-family: var(--font-brand);
    font-size: clamp(24px, 5vw, 42px);
    color: var(--neon-green);
    text-shadow: 0 0 20px rgba(57, 255, 20, 0.3);
    margin-bottom: 16px;
  }

  header .subtitle {
    font-family: var(--font-display);
    font-size: calc(clamp(10px, 2vw, 14px) * var(--display-scale));
    color: var(--neon-cyan);
    letter-spacing: 2px;
  }

  header .tagline {
    font-size: calc(22px * var(--body-scale));
    color: var(--text-dim);
    max-width: 700px;
    margin: 16px auto 0;
  }

  /* The language toggle is now the shared segmented control in fonts.css. */

  main { max-width: 900px; margin: 0 auto; padding: 40px 20px; }

  /* Featured card */
  .featured {
    background: var(--bg-card);
    border: 2px solid var(--neon-green);
    padding: 32px;
    margin-bottom: 50px;
    position: relative;
  }


  .featured h2 {
    font-family: var(--font-display);
    font-size: calc(clamp(14px, 3vw, 20px) * var(--display-scale));
    color: var(--neon-green);
    margin-bottom: 12px;
  }

  .featured p {
    color: var(--text-dim);
    margin-bottom: 16px;
    font-size: calc(22px * var(--body-scale));
  }

  .featured a.cta {
    display: inline-block;
    font-family: var(--font-display);
    font-size: calc(11px * var(--display-scale));
    color: var(--neon-green);
    border: 2px solid var(--neon-green);
    padding: 10px 20px;
    text-decoration: none;
    transition: all 0.2s;
  }

  .featured a.cta:hover {
    background: var(--neon-green);
    color: var(--bg-dark);
  }

  /* Articles section */
  .section-title {
    font-family: var(--font-display);
    font-size: calc(clamp(14px, 3vw, 18px) * var(--display-scale));
    color: var(--neon-cyan);
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px dashed var(--border-color);
  }

  .articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 20px;
    margin-bottom: 50px;
  }

  a.article-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 24px;
    transition: border-color 0.2s;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
  }

  a.article-card:hover {
    border-color: var(--neon-cyan);
  }

  .article-card .date {
    font-family: var(--font-display);
    font-size: calc(8px * var(--display-scale));
    color: var(--text-dim);
    margin-bottom: 8px;
  }

  .article-card h3 {
    font-family: var(--font-display);
    font-size: calc(12px * var(--display-scale));
    color: var(--neon-cyan);
    margin-bottom: 10px;
    line-height: 1.5;
  }

  a.article-card:hover h3 {
    color: var(--neon-green);
  }

  .article-card p {
    color: var(--text-dim);
    font-size: calc(20px * var(--body-scale));
  }

  code {
    font-family: var(--font-mono);
    font-size: calc(21px * var(--body-scale));
    background: rgba(57, 255, 20, 0.08);
    padding: 2px 6px;
    color: var(--neon-cyan);
  }

  .article-card .tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: calc(8px * var(--display-scale));
    padding: 3px 8px;
    border: 1px solid var(--border-color);
    color: var(--text-dim);
    margin-top: 12px;
    margin-right: 4px;
  }


  /* About card */
  .about-card {
    background: var(--bg-medium);
    border: 1px solid var(--border-color);
    padding: 24px;
    margin-top: 40px;
    font-size: calc(18px * var(--body-scale));
    color: var(--text-dim);
    cursor: pointer;
  }

  .about-label {
    font-family: var(--font-display);
    font-size: calc(10px * var(--display-scale));
    color: var(--neon-green);
    display: block;
    margin-bottom: 12px;
  }

  .about-card a { color: var(--neon-cyan); }

  .disclaimer {
    margin-top: 12px;
    font-size: calc(16px * var(--body-scale));
    color: var(--text-dim);
    border-top: 1px dashed var(--border-color);
    padding-top: 12px;
  }

  /* Feedback button */
  .feedback-btn {
    display: inline-block;
    font-family: var(--font-display);
    font-size: calc(9px * var(--display-scale));
    color: var(--neon-green);
    background: transparent;
    border: 2px solid var(--neon-green);
    padding: 8px 16px;
    cursor: pointer;
    transition: all 0.2s;
  }

  .feedback-btn:hover {
    background: var(--neon-green);
    color: var(--bg-dark);
  }

  footer {
    text-align: center;
    padding: 40px 20px;
    border-top: 3px dashed var(--border-color);
    color: var(--text-dim);
    font-size: calc(18px * var(--body-scale));
  }

  footer a { color: var(--neon-cyan); }

  .pixel-divider {
    text-align: center;
    color: var(--border-color);
    font-size: calc(12px * var(--body-scale));
    letter-spacing: 4px;
    margin: 40px 0;
  }