:root {
      --primary: #0066cc;
      --primary-light: #e6f2ff;
      --primary-dark: #0052a3;
      --text-primary: #0a0a0a;
      --text-secondary: #525252;
      --text-muted: #8c8c8c;
      --bg-white: #ffffff;
      --bg-light: #f8f9fa;
      --bg-card: #fafbfc;
      --border: #e5e7eb;
      --border-strong: #d1d5db;
      --success: #059669;
      --success-light: #d1fae5;
      --warning: #f59e0b;
      --warning-light: #fef3c7;
      --danger: #dc2626;
      --danger-light: #fee2e2;
      --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
      --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
      --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.15);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-xl: 24px;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    body {
      font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
      background: linear-gradient(135deg, #f5f7fa 0%, #eef2f7 100%);
      color: var(--text-primary);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      /* padding: 40px 20px; */
      min-height: 100vh;
    }

    .container {
      max-width: 1400px;
      margin: 0 auto;
    }

    /* Section Spacing */
    section {
      margin-bottom: 80px;
    }

    /* Section Headers */
    .section-header {
      text-align: center;
      margin-bottom: 50px;
    }

    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 16px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 100px;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.5px;
      margin-bottom: 20px;
      text-transform: uppercase;
      border: 1px solid rgba(0, 102, 204, 0.2);
    }

    .section-badge::before {
      content: '';
      width: 6px;
      height: 6px;
      background: var(--primary);
      border-radius: 50%;
      animation: pulse 2s ease-in-out infinite;
    }

    .section-title {
      font-size: clamp(32px, 5vw, 52px);
      font-weight: 800;
      color: var(--text-primary);
      margin-bottom: 16px;
      letter-spacing: -1px;
      line-height: 1.1;
    }

    .section-title span {
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .section-subtitle {
      font-size: 18px;
      color: var(--text-secondary);
      max-width: 800px;
      margin: 0 auto;
      line-height: 1.7;
    }

    /* Cards */
    .card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(90deg, var(--primary) 0%, var(--primary-dark) 100%);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.5s ease;
    }

    .card:hover::before {
      transform: scaleX(1);
    }

    .card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-2px);
    }

    .card-header {
      margin-bottom: 24px;
      padding-bottom: 20px;
      border-bottom: 2px solid var(--bg-light);
    }

    .card-title {
      font-size: 22px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .card-title-icon {
      width: 32px;
      height: 32px;
      background: var(--primary-light);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 16px;
      font-weight: 700;
    }

    .card-subtitle {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Calculator Layout */
    .calculator-layout {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 30px;
      margin-top: 40px;
    }

    @media (max-width: 1024px) {
      .calculator-layout {
        grid-template-columns: 1fr;
      }
    }

    /* Tabs */
    .tabs-wrapper {
      background: var(--bg-light);
      border-radius: var(--radius-md);
      padding: 6px;
      display: flex;
      gap: 6px;
      margin-bottom: 24px;
    }

    .tab {
      flex: 1;
      padding: 12px 16px;
      border: none;
      background: transparent;
      color: var(--text-secondary);
      font-size: 14px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition);
      font-family: 'Outfit', sans-serif;
    }

    .tab:hover {
      background: rgba(0, 102, 204, 0.08);
      color: var(--primary);
    }

    .tab.active {
      background: var(--bg-white);
      color: var(--primary);
      box-shadow: var(--shadow-sm);
    }

    /* Form Elements */
    .form-group {
      margin-bottom: 24px;
    }

    .form-label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 8px;
    }

    .form-hint {
      display: block;
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 4px;
      font-style: italic;
    }

    .input-wrapper {
      position: relative;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .input-prefix {
      position: absolute;
      left: 16px;
      color: var(--text-secondary);
      font-weight: 600;
      font-family: 'JetBrains Mono', monospace;
      font-size: 15px;
      pointer-events: none;
    }

    input[type="number"] {
      width: 100%;
      padding: 14px 16px 14px 40px;
      border: 2px solid var(--border);
      border-radius: var(--radius-md);
      font-size: 16px;
      font-weight: 600;
      color: var(--text-primary);
      background: var(--bg-white);
      transition: var(--transition);
      font-family: 'JetBrains Mono', monospace;
    }

    input[type="number"]:focus {
      outline: none;
      border-color: var(--primary);
      background: var(--bg-white);
      box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.1);
    }

    .input-unit {
      padding: 14px 16px;
      background: var(--bg-light);
      border: 2px solid var(--border);
      border-radius: var(--radius-md);
      font-size: 13px;
      font-weight: 600;
      color: var(--text-secondary);
      white-space: nowrap;
      min-width: 100px;
      text-align: center;
    }

    /* Info Boxes */
    .info-box {
      background: linear-gradient(135deg, var(--warning-light) 0%, #fff7e6 100%);
      border-left: 4px solid var(--warning);
      border-radius: var(--radius-md);
      padding: 16px 18px;
      margin-top: 12px;
    }

    .info-box-text {
      font-size: 13px;
      color: #92400e;
      line-height: 1.6;
    }

    .info-box-text strong {
      font-weight: 700;
      color: #78350f;
    }

    /* Results Card */
    .results-card {
      background: linear-gradient(135deg, #ffffff 0%, #f9fafb 100%);
      border-radius: var(--radius-xl);
      padding: 32px;
      box-shadow: var(--shadow-xl);
      border: 1px solid var(--border);
      position: sticky;
      overflow: hidden;
            top: 100px;
                  overflow: hidden;
                        max-height: calc(100vh - 120px);



    }

    .results-card::before {
      content: '';
      position: absolute;
      top: -50%;
      right: -50%;
      width: 200%;
      height: 200%;
      background: radial-gradient(circle, rgba(0, 102, 204, 0.03) 0%, transparent 70%);
      pointer-events: none;
    }

    .results-header {
      margin-bottom: 28px;
      position: relative;
      z-index: 1;
    }

    .results-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      background: var(--success-light);
      color: var(--success);
      border-radius: 100px;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.3px;
      margin-bottom: 16px;
      text-transform: uppercase;
      border: 1px solid rgba(5, 150, 105, 0.2);
    }

    .results-badge::before {
      content: '✓';
      font-size: 14px;
    }

    .results-title {
      font-size: 16px;
      font-weight: 600;
      color: var(--text-secondary);
      margin-bottom: 8px;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .results-amount {
      font-size: clamp(40px, 6vw, 56px);
      font-weight: 800;
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      margin-bottom: 12px;
      font-family: 'JetBrains Mono', monospace;
      letter-spacing: -2px;
    }

    .results-description {
      font-size: 15px;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 20px;
    }

    /* Breakdown Grid */
    .breakdown-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-top: 24px;
      padding-top: 24px;
      border-top: 2px solid var(--bg-light);
    }

    @media (max-width: 640px) {
      .breakdown-grid {
        grid-template-columns: 1fr;
      }
    }

    .breakdown-item {
      background: var(--bg-white);
      border-radius: var(--radius-md);
      padding: 16px;
      border: 1px solid var(--border);
      transition: var(--transition);
    }

    .breakdown-item:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
      transform: translateY(-2px);
    }

    .breakdown-label {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 6px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      font-weight: 600;
    }

    .breakdown-value {
      font-size: 22px;
      font-weight: 700;
      color: var(--primary);
      font-family: 'JetBrains Mono', monospace;
    }

    /* ROI Breakdown Section */
    .roi-breakdown {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 40px;
    }

    @media (max-width: 1024px) {
      .roi-breakdown {
        grid-template-columns: 1fr;
      }
    }

    .roi-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .roi-card::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(90deg, var(--primary) 0%, var(--primary-dark) 100%);
    }

    .roi-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-xl);
    }

    .roi-number {
      width: 48px;
      height: 48px;
      background: var(--primary-light);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 20px;
    }

    .roi-card-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .roi-scenario {
      background: var(--bg-light);
      border-radius: var(--radius-sm);
      padding: 14px;
      margin-bottom: 14px;
    }

    .roi-scenario-title {
      font-size: 12px;
      font-weight: 700;
      color: var(--text-muted);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 6px;
    }

    .roi-scenario-text {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    .roi-impact {
      background: var(--success-light);
      border-left: 3px solid var(--success);
      border-radius: var(--radius-sm);
      padding: 12px 14px;
      margin-top: 16px;
    }

    .roi-impact-title {
      font-size: 12px;
      font-weight: 700;
      color: var(--success);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 4px;
    }

    .roi-impact-text {
      font-size: 14px;
      color: #065f46;
      font-weight: 600;
      line-height: 1.5;
    }

    /* Summary Table */
    .summary-section {
      background: var(--bg-white);
      border-radius: var(--radius-xl);
      padding: 40px;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border);
      margin-top: 50px;
    }

    .summary-header {
      text-align: center;
      margin-bottom: 40px;
    }

    .summary-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-primary);
      margin-bottom: 12px;
    }

    .summary-quote {
      background: var(--primary-light);
      border-left: 4px solid var(--primary);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      margin: 30px auto;
      max-width: 800px;
    }

    .summary-quote-text {
      font-size: 18px;
      font-weight: 600;
      color: var(--primary-dark);
      line-height: 1.6;
      font-style: italic;
    }

    /* Table */
    .table-wrapper {
      overflow-x: auto;
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
    }

    table {
      width: 100%;
      border-collapse: collapse;
      background: var(--bg-white);
    }

    th {
      background: var(--bg-light);
      padding: 16px;
      text-align: left;
      font-size: 13px;
      font-weight: 700;
      color: var(--text-primary);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      border-bottom: 2px solid var(--border);
    }

    td {
      padding: 16px;
      font-size: 15px;
      color: var(--text-secondary);
      border-bottom: 1px solid var(--border);
    }

    tbody tr:last-child td {
      border-bottom: none;
    }

    tbody tr:hover {
      background: var(--bg-light);
    }

    .table-highlight {
      font-weight: 700;
      color: var(--text-primary);
    }

    .pill-success {
      display: inline-flex;
      align-items: center;
      padding: 4px 12px;
      background: var(--success-light);
      color: var(--success);
      border-radius: 100px;
      font-size: 13px;
      font-weight: 700;
      border: 1px solid rgba(5, 150, 105, 0.2);
    }

    /* Homepage Headlines Section */
    .headlines-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 24px;
      margin-top: 40px;
    }

    .headline-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .headline-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 6px;
      height: 100%;
      background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%);
    }

    .headline-card:hover {
      transform: translateX(4px);
      box-shadow: var(--shadow-lg);
    }

    .headline-label {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 100px;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.5px;
      margin-bottom: 16px;
      text-transform: uppercase;
    }

    .headline-main {
      font-size: 28px;
      font-weight: 800;
      color: var(--text-primary);
      margin-bottom: 16px;
      line-height: 1.3;
      letter-spacing: -0.5px;
    }

    .headline-sub {
      font-size: 16px;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .headline-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      padding-top: 16px;
      border-top: 1px solid var(--border);
    }

    .headline-tag {
      padding: 4px 10px;
      background: var(--bg-light);
      color: var(--text-muted);
      border-radius: 100px;
      font-size: 11px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.3px;
    }

    /* CTA Section */
    .cta-section {
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      color: white;
      text-align: center;
      padding: 60px 40px;
      border-radius: var(--radius-xl);
      position: relative;
      overflow: hidden;
      margin-top: 60px;
    }

    .cta-section::before {
      content: '';
      position: absolute;
      top: -50%;
      left: -50%;
      width: 200%;
      height: 200%;
      background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
      animation: rotate 20s linear infinite;
    }

    .cta-content {
      position: relative;
      z-index: 1;
      max-width: 800px;
      margin: 0 auto;
    }

    .cta-title {
      font-size: 40px;
      font-weight: 800;
      margin-bottom: 16px;
      letter-spacing: -1px;
    }

    .cta-subtitle {
      font-size: 18px;
      opacity: 0.95;
      margin-bottom: 32px;
      line-height: 1.7;
    }

    .cta-buttons {
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 16px 32px;
      border: none;
      border-radius: 100px;
      font-size: 16px;
      font-weight: 700;
      cursor: pointer;
      transition: var(--transition);
      font-family: 'Outfit', sans-serif;
      text-decoration: none;
    }

    .btn-primary {
      background: white;
      color: var(--primary);
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
    }

    .btn-secondary {
      background: rgba(255, 255, 255, 0.15);
      color: white;
      border: 2px solid white;
    }

    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.25);
      transform: translateY(-2px);
    }

    /* Animations */
    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @keyframes pulse {
      0%, 100% {
        opacity: 1;
        transform: scale(1);
      }
      50% {
        opacity: 0.6;
        transform: scale(1.2);
      }
    }

    @keyframes rotate {
      from {
        transform: rotate(0deg);
      }
      to {
        transform: rotate(360deg);
      }
    }

    /* Responsive */
    @media (max-width: 768px) {
      body {
        padding: 20px 16px;
      }

      section {
        margin-bottom: 60px;
      }

      .calculator-layout,
      .roi-breakdown {
        gap: 20px;
      }

      .card,
      .roi-card,
      .headline-card {
        padding: 20px;
      }

      .results-card {
        padding: 24px;
      }

      .summary-section {
        padding: 28px 20px;
      }

      .cta-section {
        padding: 40px 24px;
      }

      .cta-buttons {
        flex-direction: column;
      }

      .btn {
        width: 100%;
        justify-content: center;
      }
    }