:root {
      --primary-color: #4f46e5;       /* Indigo 600 */
      --primary-hover: #4338ca;       /* Indigo 700 */
      --primary-light: #e0e7ff;       /* Indigo 100 */
      --text-main: #0f172a;           /* Slate 900 */
      --text-muted: #475569;          /* Slate 600 */
      --bg-main: #f8fafc;             /* Slate 50 */
      --bg-card: #ffffff;
      --border-color: #e2e8f0;        /* Slate 200 */
      --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      --font-mono: 'JetBrains Mono', monospace;
    }

    /* Force Light Mode & Prevent dark-theme inherits */
    html, body {
      background-color: var(--bg-main) !important;
      color: var(--text-main) !important;
      font-family: var(--font-sans);
      scroll-behavior: smooth;
      -webkit-font-smoothing: antialiased;
    }

    /* Selection Highlight */
    ::selection {
      background-color: var(--primary-light);
      color: var(--primary-color);
    }

    /* Global Typography overrides */
    h1, h2, h3, h4, h5, h6 {
      color: var(--text-main);
      font-weight: 700;
      letter-spacing: -0.025em;
    }

    p {
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Premium Sticky Navbar Styling */
    .custom-navbar {
      background-color: rgba(255, 255, 255, 0.85) !important;
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      transition: all 0.3s ease;
    }

    .nav-brand-container {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      font-size: 1.25rem;
      color: var(--text-main);
      text-decoration: none;
    }

    .brand-dot {
      width: 10px;
      height: 10px;
      background-color: var(--primary-color);
      border-radius: 50%;
      box-shadow: 0 0 10px rgba(79, 70, 229, 0.6);
    }

    .docs-label {
      font-weight: 400;
      color: var(--text-muted);
      font-size: 1rem;
    }

    .nav-link-custom {
      font-weight: 500;
      color: var(--text-muted);
      padding: 0.5rem 1rem !important;
      border-radius: 8px;
      transition: all 0.2s ease;
    }

    .nav-link-custom:hover, .nav-link-custom.active {
      color: var(--primary-color) !important;
      background-color: var(--primary-light);
    }

    /* Hero Badges & Accent Gradients */
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background-color: var(--primary-light);
      color: var(--primary-color);
      font-weight: 600;
      font-size: 0.875rem;
      padding: 6px 14px;
      border-radius: 100px;
      margin-bottom: 1.5rem;
    }

    .gradient-text {
      background: linear-gradient(135deg, #4f46e5 0%, #3b82f6 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    /* Premium Modern Buttons */
    .btn-indigo {
      background-color: var(--primary-color);
      color: #ffffff;
      font-weight: 600;
      border-radius: 10px;
      padding: 12px 24px;
      border: 1px solid var(--primary-color);
      transition: all 0.2s ease;
      box-shadow: 0 4px 14px rgba(79, 70, 229, 0.15);
    }

    .btn-indigo:hover {
      background-color: var(--primary-hover);
      border-color: var(--primary-hover);
      color: #ffffff;
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(79, 70, 229, 0.25);
    }

    .btn-light-custom {
      background-color: #ffffff;
      color: var(--text-main);
      font-weight: 600;
      border: 1px solid var(--border-color);
      border-radius: 10px;
      padding: 12px 24px;
      transition: all 0.2s ease;
    }

    .btn-light-custom:hover {
      background-color: var(--bg-main);
      color: var(--primary-color);
      border-color: #cbd5e1;
      transform: translateY(-1px);
    }

    /* Terminal Simulation Components */
    .terminal-window {
      background-color: #0f172a; 
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15);
      border: 1px solid #334155;
    }

    .terminal-titlebar {
      background-color: #1e293b;
      padding: 12px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid #334155;
    }

    .terminal-dots {
      display: flex;
      gap: 8px;
    }

    .terminal-dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
    }
    .td-red { background-color: #ef4444; }
    .td-yellow { background-color: #eab308; }
    .td-green { background-color: #22c55e; }

    .terminal-title-text {
      color: #94a3b8;
      font-family: var(--font-mono);
      font-size: 0.85rem;
      font-weight: 500;
    }

    .terminal-btn-run {
      background: linear-gradient(135deg, #10b981 0%, #059669 100%);
      color: white;
      border: none;
      font-size: 0.8rem;
      font-weight: 600;
      padding: 5px 12px;
      border-radius: 6px;
      transition: all 0.2s;
    }

    .terminal-btn-run:hover {
      opacity: 0.9;
      transform: scale(1.02);
    }

    .terminal-screen-body {
      padding: 20px;
      font-family: var(--font-mono);
      font-size: 0.9rem;
      color: #cbd5e1;
      min-height: 280px;
      max-height: 380px;
      overflow-y: auto;
    }

    .terminal-prompt-line {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      background-color: #1e293b;
      padding: 10px 14px;
      border-radius: 8px;
      border: 1px solid #334155;
      margin-bottom: 15px;
    }

    .terminal-prompt {
      color: #38bdf8;
      user-select: none;
    }

    .terminal-cmd {
      color: #f1f5f9;
      word-break: break-all;
    }

    .btn-terminal-copy {
      background: none;
      border: none;
      color: #94a3b8;
      transition: color 0.15s;
    }

    .btn-terminal-copy:hover {
      color: #f8fafc;
    }

    .terminal-log-output {
      color: #a7f3d0; 
      white-space: pre-line;
      line-height: 1.6;
    }

    /* Trust/Metrics Grid Badge */
    .metrics-section {
      background-color: #ffffff;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 2.5rem 0;
    }

    .metric-badge {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 600;
      color: var(--text-main);
      font-size: 1.05rem;
    }

    .metric-badge i {
      font-size: 1.4rem;
      color: var(--primary-color);
    }

    /* Modular Services Ecosystem Section */
    .section-title-wrap {
      text-align: center;
      max-width: 700px;
      margin: 0 auto 3.5rem auto;
    }

    .section-title-wrap h2 {
      font-size: 2.25rem;
      margin-bottom: 1rem;
    }

    .ecosystem-container {
      background-color: #ffffff;
      border-radius: 20px;
      border: 1px solid var(--border-color);
      padding: 30px;
      box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
    }

    .service-cards-column {
      display: flex;
      flex-direction: column;
      gap: 12px;
      max-height: 600px;
      overflow-y: auto;
      padding-right: 10px;
    }

    .service-cards-column::-webkit-scrollbar {
      width: 6px;
    }
    .service-cards-column::-webkit-scrollbar-track {
      background: var(--bg-main);
      border-radius: 8px;
    }
    .service-cards-column::-webkit-scrollbar-thumb {
      background: #cbd5e1;
      border-radius: 8px;
    }

    .service-item-card {
      background-color: var(--bg-main);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 16px;
      cursor: pointer;
      transition: all 0.25s ease;
      position: relative;
    }

    .service-item-card:hover {
      transform: translateX(4px);
      border-color: #cbd5e1;
    }

    .service-item-card.active-service {
      background-color: var(--primary-light);
      border-color: var(--primary-color);
      box-shadow: 0 4px 12px rgba(79, 70, 229, 0.08);
    }

    .service-card-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 8px;
    }

    .service-icon-box {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background-color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-color);
      font-size: 1.1rem;
      border: 1px solid var(--border-color);
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
    }

    .active-service .service-icon-box {
      background-color: var(--primary-color);
      color: #ffffff;
      border-color: var(--primary-color);
    }

    .status-pulse-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.75rem;
      font-weight: 600;
      color: #16a34a; 
      background-color: #dcfce7; 
      padding: 2px 8px;
      border-radius: 50px;
    }

    .status-pulse-dot {
      width: 6px;
      height: 6px;
      background-color: #22c55e;
      border-radius: 50%;
      animation: pulse-ring 1.5s infinite;
    }

    @keyframes pulse-ring {
      0% { transform: scale(0.95); opacity: 0.5; }
      50% { transform: scale(1.15); opacity: 1; }
      100% { transform: scale(0.95); opacity: 0.5; }
    }

    .service-item-card h4 {
      font-size: 1.05rem;
      margin-bottom: 6px;
      font-weight: 700;
    }

    .service-item-card p {
      font-size: 0.85rem;
      margin-bottom: 12px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .service-footer-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-family: var(--font-mono);
      font-size: 0.75rem;
      font-weight: 500;
      color: var(--text-muted);
    }

    .active-service .service-footer-meta {
      color: var(--primary-color);
    }

    /* Right Details Display Widget */
    .details-widget-card {
      background-color: var(--bg-main);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 30px;
      height: 100%;
      display: flex;
      flex-direction: column;
      box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
    }

    .widget-meta-table {
      margin: 1.5rem 0;
      border-top: 1px solid var(--border-color);
    }

    .widget-meta-row {
      display: flex;
      justify-content: space-between;
      padding: 10px 0;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.9rem;
    }

    .widget-meta-key {
      font-weight: 600;
      color: var(--text-muted);
    }

    .widget-meta-val {
      font-weight: 500;
      color: var(--text-main);
    }

    .widget-meta-val.port-highlight {
      font-family: var(--font-mono);
      background-color: var(--primary-light);
      color: var(--primary-color);
      padding: 2px 8px;
      border-radius: 6px;
    }

    .feature-check-list {
      list-style: none;
      padding-left: 0;
      margin-bottom: 1.5rem;
    }

    .feature-check-list li {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 10px;
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .feature-check-list i {
      color: #10b981; 
      font-size: 1.1rem;
    }

    /* Core Features Grid Cards */
    .feature-card-wrapper {
      background-color: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 30px;
      transition: all 0.3s ease;
      height: 100%;
    }

    .feature-card-wrapper:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 25px rgba(15, 23, 42, 0.05);
      border-color: #cbd5e1;
    }

    .feature-card-icon {
      width: 48px;
      height: 48px;
      background-color: var(--primary-light);
      color: var(--primary-color);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 1.5rem;
    }

    /* Comparison Matrix Table */
    .comparison-container {
      background-color: #ffffff;
      border-radius: 16px;
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: 0 10px 30px rgba(15, 23, 42, 0.03);
    }

    .comparison-table th {
      background-color: var(--bg-main);
      color: var(--text-main);
      font-weight: 700;
      padding: 16px;
    }

    .comparison-table td {
      padding: 16px;
      vertical-align: middle;
      color: var(--text-muted);
    }

    .comp-vector {
      font-weight: 600;
      color: var(--text-main);
    }

    .onifast-cell {
      background-color: rgba(245, 243, 255, 0.4);
    }

    .badge-check-onifast {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--primary-color);
      background-color: var(--primary-light);
      padding: 4px 10px;
      border-radius: 50px;
      font-weight: 600;
      font-size: 0.85rem;
    }

    .badge-legacy-cpanel {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #d97706; 
      background-color: #fef3c7; 
      padding: 4px 10px;
      border-radius: 50px;
      font-weight: 500;
      font-size: 0.85rem;
    }

    /* Bootstrap Accordion Custom Overrides */
    .accordion-custom .accordion-item {
      background-color: #ffffff;
      border: 1px solid var(--border-color);
      margin-bottom: 12px;
      border-radius: 12px !important;
      overflow: hidden;
    }

    .accordion-custom .accordion-button {
      background-color: #ffffff;
      color: var(--text-main);
      font-weight: 600;
      padding: 18px 24px;
      box-shadow: none;
    }

    .accordion-custom .accordion-button:not(.collapsed) {
      background-color: var(--bg-main);
      color: var(--primary-color);
      border-bottom: 1px solid var(--border-color);
    }

    .accordion-custom .accordion-body {
      padding: 20px 24px;
      color: var(--text-muted);
      line-height: 1.6;
      background-color: #ffffff;
    }

    /* Standalone Inner Content Page */
    .standalone-card {
      background-color: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 20px;
      padding: 40px;
      box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
      margin-bottom: 4rem;
    }

    .standalone-icon-span {
      font-size: 2.5rem;
      display: block;
      margin-bottom: 1rem;
    }

    /* Toast Notification */
    .toast-notification {
      position: fixed;
      bottom: 24px;
      right: 24px;
      background-color: var(--text-main);
      color: #ffffff;
      border-radius: 12px;
      padding: 14px 24px;
      box-shadow: 0 10px 25px rgba(0,0,0,0.2);
      display: flex;
      align-items: center;
      gap: 12px;
      z-index: 1050;
      opacity: 0;
      transform: translateY(20px);
      transition: all 0.3s ease;
      pointer-events: none;
    }

    .toast-notification.show {
      opacity: 1;
      transform: translateY(0);
      pointer-events: auto;
    }

    /* Footer styling */
    footer {
      background-color: #ffffff;
      border-top: 1px solid var(--border-color);
      padding-top: 5rem;
      padding-bottom: 2.5rem;
    }

    .footer-col-title {
      font-size: 0.9rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: var(--text-main);
      margin-bottom: 1.25rem;
    }

    .footer-links-list {
      list-style: none;
      padding-left: 0;
    }

    .footer-links-list li {
      margin-bottom: 10px;
    }

    .footer-links-list a {
      color: var(--text-muted);
      text-decoration: none;
      transition: color 0.15s ease;
    }

    .footer-links-list a:hover {
      color: var(--primary-color);
    }

    .footer-bottom {
      border-top: 1px solid var(--border-color);
      margin-top: 4rem;
      padding-top: 2rem;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    .footer-bottom-links a {
      color: var(--text-muted);
      text-decoration: none;
      margin-left: 15px;
    }

    .footer-bottom-links a:hover {
      color: var(--primary-color);
    }