:root {
  --jj-blue: #064582;
  /*--jj-blue: #012d6b;*/
  --jj-cyan: #0098cf;
  --jj-ink: #172033;
  --jj-soft: #eef5f8;
  --jj-line: #d7e2e8;
  /* Change the core primary color (HEX format) */
  --bs-primary: #064582;

  /* Change the RGB values (required for opacity utilities like .bg-primary) */
  --bs-primary-rgb: 6, 69, 130;

  body {
    background: #f3f6f8;
    color: var(--jj-ink);
  }

  .concept-top {
    background: #fff;
    border-bottom: 1px solid var(--jj-line);
  }

  .concept-logo {
    background: url(../img/JJ_Logo_blue.svg) no-repeat left center;
    background-size: contain;
    min-height: 78px;
  }

  .concept-hero {
    background: linear-gradient(135deg, var(--jj-blue), #064582);
    border-radius: 8px;
    color: #fff;
  }

  .concept-card,
  .concept-panel {
    background: #fff;
    border: 1px solid var(--jj-line);
    border-radius: 8px;
    height: 100%;
  }

  .concept-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.35rem;
  }

  .concept-icon {
    align-items: center;
    background: var(--jj-soft);
    border-radius: 50%;
    color: var(--jj-blue);
    display: inline-flex;
    font-size: 1.45rem;
    height: 3rem;
    justify-content: center;
    width: 3rem;
  }

  .concept-badge {
    background: var(--jj-soft);
    border: 1px solid var(--jj-line);
    border-radius: 6px;
    color: var(--jj-blue);
    font-weight: 700;
    padding: .75rem;
  }

  .concept-services {
    display: grid;
    gap: .55rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .concept-services li {
    display: flex;
    gap: .5rem;
  }

  .concept-services i {
    color: var(--jj-cyan);
  }

  .btn-jj,
  .nav-pills {
    --bs-btn-bg: var(--jj-blue);
    --bs-btn-border-color: var(--jj-blue);
    --bs-btn-color: #fff;
    --bs-btn-hover-bg: #064582;
    --bs-btn-hover-border-color: #064582;
    --bs-btn-hover-color: #fff;
  }

  .btn-jj-outline {
    --bs-btn-border-color: var(--jj-blue);
    --bs-btn-color: var(--jj-blue);
    --bs-btn-hover-bg: var(--jj-blue);
    --bs-btn-hover-border-color: var(--jj-blue);
    --bs-btn-hover-color: #fff;
  }

  /* --- Custom School Brand Overrides (#012d6b) --- */
  .nav-pills .nav-link {
    color: var(--jj-blue);
    background-color: transparent;
    transition: all 0.2s ease;
  }

  .nav-pills .nav-link:hover {
    background-color: rgba(1, 45, 107, 0.05);
    color: var(--jj-blue);
  }

  .nav-pills .nav-link.active {
    background-color: var(--jj-blue) !important;
    color: #ffffff !important;
  }

  .bg-brand-primary {
    background-color:  var(--jj-blue) !important;
    color: #ffffff;
  }

  .text-brand-primary {
    color: var(--jj-blue) !important;
  }

  .border-brand-left {
    border-left: 3px solid var(--jj-blue) !important;
  }

  @media (max-width: 767.98px) {
    .concept-logo {
      background-position: center;
    }

    .concept-services {
      grid-template-columns: 1fr;
    }
  }

  .content-wrapper {
    max-width: 850px;
    /* Constrains text width for perfect readability */
  }

  .step-card {
    border: 1px solid rgba(0, 0, 0, .08);
    box-shadow: 0 2px 4px rgba(0, 0, 0, .02);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }

  .step-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, .05);
  }

  .screenshot-placeholder {
    background-color: #e9ecef;
    border: 2px dashed #dee2e6;
    border-radius: 6px;
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6c757d;
  }

  .screenshot-img {
    max-width: 100%;
    height: auto;
    border: 1px solid #dee2e6;
    border-radius: 6px;
  }

  /* get help */
  .help {
    background-color: #fff;
    /* #f8fafc;*/
    break-after: auto;
  }

  /* footer */
  .footer {
    height: 15%;
    background-color: #012d6b;
    color: white;
    min-height: 100px;
  }

  .footer a {
    color: white;
    text-decoration: none;
  }

  .footer a:hover {
    color: #0098cf;
    filter: brightness(150%);
    transition: 0.7s;
  }