:root {
  --vss-red:      #e63124;
  --vss-red-dk:   #c0281d;
  --vss-dark:     #0f1923;
  --vss-navy:     #1a2b3c;
  --vss-mid:      #2d4a6b;
  --vss-lt:       #e8eef5;
  --vss-gold:     #f5a623;
  --text:         #1e2a35;
  --text-mid:     #3d4f60;
  --text-lt:      #657282;
  --white:        #ffffff;
  --bg:           #f8f9fb;
  --rule:         #dce3eb;
  --success:      #1e6b3e;
  --success-lt:   #e6f4ec;
  --warn:         #7a5800;
  --warn-lt:      #fef9ec;
  --danger-lt:    #fff0ef;
  --radius:       8px;
  --shadow-sm:    0 2px 8px rgba(15,25,35,.08);
  --shadow-md:    0 4px 20px rgba(15,25,35,.12);
  --bg-color: #0d1117;
      --card-bg: #0d1117;
      --accent-red: #ea4335;
      --text-main: #9ca3af;
      --text-highlight: #7dd3fc;
      --text-white: #ffffff;
      
      --tier-green: #276936;
      --tier-orange: #ba6019;
      --tier-red: #9c1515;
      --surface: #ffffff;
      --shadow: rgba(0, 0, 0, 0.08);
      --heading-color: #1a202c;
      --body-color: #4a5568;
      --brand-red: #e63946;
      --active-bg: #f0f4f8;
      --dark-text: #1a202c;
      --muted-text: #4a5568;
      --border-gray: #e2e8f0;
      --navy-bg: #162b43;
      --cta-red: #e63946;
      --text-muted: #888;
      --text-dark: #333;
}
.callout {
  display: flex; gap: 14px; align-items: flex-start;
  border-radius: var(--radius);
  padding: 16px 20px; margin: 24px 0;
  font-size: 15px; line-height: 1.65;
}
.callout-icon { font-size: 20px; flex-shrink: 0; margin-top: 2px; }
.callout p { margin: 0; }
.callout.info    { background: var(--vss-lt); border-left: 4px solid var(--vss-mid); }
.callout.tip     { background: var(--success-lt); border-left: 4px solid var(--success); }
.callout.warning { background: var(--warn-lt); border-left: 4px solid #d4a017; }
.callout.alert   { background: var(--danger-lt); border-left: 4px solid var(--vss-red); }

.card_div {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      width: 100%;
      justify-content: center;
    }
    .card {
          background-color: #ffffff;
        border-radius: 8px;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        flex: 1;
        min-width: 267px;
        max-width: 270px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }
    .card-header {
      padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #ffffff;
    min-height: 70px;
    width: 100%;
    }
    .card-title {
      font-weight: bold;
      font-size: 14px;
      line-height: 1.2;
      max-width: 60%;
      margin: 0px;
    }
    .card-tag {
          background-color: rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    }
    .card-body {
      padding: 25px 20px;
          color: #111111;
    font-size: 15px;
    line-height: 28px;
    font-weight: 500;
    }
    /* Color Variants */
    .lateral-bg { background-color: #2d4564; }
    .uplift-bg { background-color: #8b0000; }
    .longitudinal-bg { background-color: #1b432a; }
    .italic {
      font-style: italic;
    }
    @media (max-width: 600px) {
      .card {
        max-width: 100%;
      }
    }
    
.app-container {
      width: 100%;
    max-width: 100%;
    padding: 0;
    display: flex;
    justify-content: center;
    }

    /* Main Card */
    .formula-card {
      background-color: var(--card-bg);
    border-left: 6px solid var(--accent-red);
    border-radius: 8px;
    padding: 30px 30px;
    width: 100%;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    gap: 30px;
        margin-bottom: 30px;
    }

    /* Formula styling */
    .formula-header {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-white);
      display: flex;
      align-items: baseline;
      gap: 12px;
      flex-wrap: wrap;
    }

    .formula-header sub {
      font-size: 1.2rem;
      bottom: -0.2em;
    }

    /* Definition list styling */
    .definitions {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .definition-row {
      display: flex;
      flex-direction: row;
      line-height: 1.6;
      font-size: 15px;
    }

    .var {
      color: var(--text-highlight);
      font-weight: bold;
      min-width: 30px;
      flex-shrink: 0;
    }

    .var sub {
      font-size: 0.7em;
    }

    .separator {
      color: var(--text-main);
      margin-right: 12px;
    }

    .description {
      color: var(--text-main);
    }

    /* Responsive adjustments */
    @media (max-width: 600px) {
      .formula-card {
        padding: 25px 20px;
      }
      .formula-header {
        font-size: 1.5rem;
      }
      .definition-row {
        font-size: 0.9rem;
      }
    }    
    
    .catalog-wrapper {
      display: flex;
      flex-direction: column;
      gap: 20px;
      width: 100%;
      max-width: 100%;
    }

    /* Individual Entry Row */
    .zone-entry {
      display: flex;
      background-color: var(--surface);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 20px var(--shadow);
      transition: transform 0.2s ease;
    }

    .zone-entry:hover {
      transform: scale(1.01);
    }

    /* Left Sidebar with MPH info */
    .metric-sidebar {
      flex: 0 0 150px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      color: white;
      text-align: center;
      padding: 20px;
    }

    .metric-value {
      font-size: 18px;
      font-weight: 800;
      letter-spacing: -0.5px;
    }

    .metric-unit {
      font-size: 0.75rem;
      font-weight: 700;
      margin-top: 4px;
      opacity: 0.85;
    }

    /* Right Content Area */
    .text-content {
      flex: 1;
      padding: 25px 30px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .entry-headline {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--heading-color);
      margin-bottom: 10px;
      line-height: 1.3;
    }

    .entry-summary {
      font-size: 0.95rem;
      color: var(--body-color);
      line-height: 1.55;
      margin: 0;
    }

    /* Tier Variations */
    .tier-1 .metric-sidebar { background-color: var(--tier-green); }
    .tier-2 .metric-sidebar { background-color: var(--tier-orange); }
    .tier-3 .metric-sidebar { background-color: var(--tier-red); }

    /* Responsiveness */
    @media (max-width: 600px) {
      .zone-entry {
        flex-direction: column;
      }
      .metric-sidebar {
        flex: 0 0 auto;
        padding: 15px;
      }
      .text-content {
        padding: 20px;
      }
    }
    
    /* Header Styling */
    .faq-main-wrapper {
      max-width: 100%;
      margin: 0 auto;
    }

    .faq-headline {
      font-weight: 800;
      font-size: 1.75rem;
      color: var(--dark-text);
      margin-bottom: 8px;
    }

    .title-bar {
      height: 4px;
      background-color: var(--brand-red);
      width: 100%;
      margin-bottom: 30px;
    }

    /* Custom Accordion - Avoiding Card Classes */
    .faq-item-container {
      margin-bottom: 15px;
      border: 1px solid var(--border-gray);
      border-radius: 6px;
      overflow: hidden;
    }

    .faq-trigger {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 1.25rem 1.5rem;
      background-color: #ffffff;
      cursor: pointer;
      user-select: none;
      transition: background-color 0.2s ease;
      text-decoration: none !important;
      margin: 0px;
    }

    .faq-trigger:hover {
      background-color: #f8fafc;
    }

    .faq-question {
      font-weight: 700;
      color: var(--dark-text);
      font-size: 1rem;
      margin: 0;
    }

    /* Icon Logic */
    .faq-icon {
      color: var(--brand-red);
      font-size: 1.5rem;
      font-weight: 300;
      line-height: 1;
      margin-left: 15px;
    }

    /* Change background and icon when expanded */
    .faq-trigger:not(.collapsed) {
      background-color: var(--active-bg);
    }

    .faq-trigger.collapsed .faq-icon::before {
      content: "+";
    }

    .faq-trigger:not(.collapsed) .faq-icon::before {
      content: "\2212"; /* Minus symbol */
    }

    /* Content Area */
    .faq-pane-content {
      padding: 1.5rem;
      color: var(--muted-text);
      line-height: 1.6;
      border-top: 1px solid var(--border-gray);
      background-color: #ffffff;
    }

    .para-space {
      margin-bottom: 1rem;
    }

    .para-space:last-child {
      margin-bottom: 0;
    }

    @media (max-width: 600px) {
      .faq-headline { font-size: 1.3rem; }
      .faq-trigger { padding: 1rem; }
      .faq-question { font-size: 0.9rem; }
    }
    
    .cta-container {
      background-color: var(--navy-bg);
      border-radius: 12px;
      padding: 60px 40px;
      color: #ffffff;
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    }

    .cta-container .cta-heading {
      font-weight: 800;
    font-size: 28px;
    margin-bottom: 25px;
    line-height: 1.2;
    max-width: 700px;
    color: #ffffff;
    }

    .cta-container .cta-body {
      font-size: 15px;
    /* line-height: 1.6; */
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 35px;
    max-width: 750px;
    color: #ffffff;
    }

    /* Button Group Flexbox */
    .button-row {
      display: flex;
      gap: 20px;
      justify-content: center;
      width: 100%;
      flex-wrap: wrap;
    }

    .button-row .btn-solid-red {
      background-color: var(--cta-red);
      color: #ffffff;
      border: none;
      padding: 14px 40px;
      font-weight: 700;
      border-radius: 8px;
      min-width: 280px;
      transition: background-color 0.2s;
      text-decoration: none !important;
      color: #fff;
    }

    .button-row .btn-solid-red:hover {
      background-color: #c92a3a;
      color: #fff;
    }

    .button-row .btn-outline-phone {
      border: 1px solid rgba(255, 255, 255, 0.3);
      color: var(--cta-red);
      padding: 14px 30px;
      font-weight: 700;
      border-radius: 8px;
      background: transparent;
      text-decoration: none !important;
      transition: border-color 0.2s;
      color: #fff;
    }

    .button-row .btn-outline-phone:hover {
      border-color: rgba(255, 255, 255, 0.6);
      color: #fff;
    }

    /* Disclaimer Section Styling */
    .disclaimer-section {
      margin-top: 40px;
      padding-top: 25px;
      border-top: 1px solid #eee;
      font-size: 0.88rem;
      line-height: 1.6;
      color: var(--text-muted);
    }

    .disclaimer-bold {
      font-weight: 700;
      color: var(--text-dark);
    }

    /* Responsive */
    @media (max-width: 768px) {
      .cta-container {
        padding: 40px 20px;
      }
      .cta-heading {
        font-size: 1.5rem;
      }
      .btn-solid-red {
        width: 100%;
        min-width: 0;
      }
      .btn-outline-phone {
        width: 100%;
      }
    }