/* --- Plain Minimalist Hero Module --- */
  #main .classes-hero-dark-deck {
    background: #1a1a2e; /* Flat dark navy background matching about.html */
    border-bottom: 1px solid #222222;
    min-height: 32vh; 
    padding: 3.5rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
  }

  .hero__content .hero__badge {
    display: inline-flex;
    background: rgba(169, 227, 208, 0.12);
    color: #a9e3d0;
    border: 1px solid rgba(169, 227, 208, 0.25);
    padding: 0.35rem 1.1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 1.2rem;
    box-shadow: none;
  }

  .hero__content .hero__title {
    color: #ffffff; 
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.5px;
    max-width: 850px;
    margin-bottom: 1.5rem;
    text-shadow: none;
  }

  .hero__content .hero__title .highlight-text {
    color: #a9e3d0; 
    font-weight: 800;
    text-shadow: none;
  }

  /* --- Plain Action Buttons Unified to Link Badge Design Specifications --- */
  .hero__content .cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.4rem 1.2rem; /* Matches card subject topic metrics perfectly */
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 6px; /* Smooth rounded curve token matching subject anchors */
    text-decoration: none;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    box-shadow: none;
    text-shadow: none;
  }

  /* Primary Button Default Base Structure */
  .hero__content .cta-btn.primary {
    background-color: #7dad9d;
    color: #ffffff;
    border: 1px solid #7dad9d;
  }

  /* Primary Button Plain Hover State */
  .hero__content .cta-btn.primary:hover {
    background-color: #6b9e8f;
    border-color: #6b9e8f;
    color: #ffffff;
    box-shadow: none;
  }

  /* Secondary Button Default Base Structure */
  .hero__content .cta-btn.secondary {
    background-color: transparent;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.4);
  }

  /* Secondary Button Plain Hover State */
  .hero__content .cta-btn.secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #a9e3d0;
    border-color: #a9e3d0;
    box-shadow: none;
  }

  /* --- Subject Board Cards Topic Color Controls --- */
  .hover.subject-board-type a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
  }

  /* Forces text to turn black explicitly on hover state interactions */
  .hover.subject-board-type:hover,
  .hover.subject-board-type a:hover {
    color: #000000;
  }