:root {
            /* Light mode variables */
            --bg-primary: #ffffff;
            --bg-secondary: #f3f4f6;
            --text-primary: #1f2937;
            --text-secondary: #4b5563;
            --card-bg: #e5e7eb;
            --border-color: #d1d5db;
        }

        [data-theme="dark"] {
            /* Dark mode variables */
            --bg-primary: #111827;
            --bg-secondary: #1f2937;
            --text-primary: #f9fafb;
            --text-secondary: #d1d5db;
            --card-bg: #374151;
            --border-color: #4b5563;
        }

        body {
            font-family: 'Inter', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            transition: background-color 0.3s ease, color 0.3s ease;
        }

        .bg-primary {
            background-color: var(--bg-primary);
        }

        .bg-secondary {
            background-color: var(--bg-secondary);
        }

        .text-primary {
            color: var(--text-primary);
        }

        .text-secondary {
            color: var(--text-secondary);
        }

        .card-bg {
            background-color: var(--card-bg);
        }

        .border-color {
            border-color: var(--border-color);
        }

        .fxt-gradient {
            background-image: linear-gradient(to right, #2f539b, #3b82f6);
        }

        /* Responsive menu styling */
        .mobile-menu {
            transition: transform 0.3s ease-in-out;
            transform: translateX(100%);
        }

        .mobile-menu.open {
            transform: translateX(0);
        }

        /* FAQ accordion styling */
        details {
            border: 1px solid var(--border-color);
            background-color: var(--card-bg);
            border-radius: 1.5rem;
            padding: 1.5rem;
            margin-bottom: 1rem;
            transition: background-color 0.3s ease, border-color 0.3s ease;
        }

        summary {
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        summary::-webkit-details-marker {
            display: none;
        }

        summary::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--text-primary);
        }

        details[open] summary::after {
            content: '-';
        }

        details p {
            margin-top: 1rem;
            padding-top: 1rem;
            border-top: 1px dashed var(--border-color);
            color: var(--text-secondary);
        }

        h1,
        h2 {

            background: linear-gradient(90deg, #0046ff, #0d64b0, #1aa0e8, #009933, #33cc66, #66ff99);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-size: 48px;
            font-weight: bold;
        }

        .timeline-line {
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            transform: translateX(-50%);
            width: 2px;
            background-color: var(--border-color);
            z-index: 0;
        }

        @media (min-width: 768px) {
            .timeline-line {
                left: 1rem;
            }
        }