:root {
            --bg-primary: #191A2E;
            --bg-secondary: #101124;
            --text-primary: #FFFFFF;
            --text-secondary: #9ca3af;
            --text-muted: #6b7280;
            --card-bg: rgba(255, 255, 255, 0.05);
            --card-border: rgba(255, 255, 255, 0.1);
            --input-bg: rgba(255, 255, 255, 0.05);
            --input-ring: rgba(255, 255, 255, 0.1);
            --header-bg: rgba(25, 26, 46, 0.8);
            --header-border: #374151;
        }

        html[data-theme='light'] {
            --bg-primary: #F9FAFB;
            --bg-secondary: #F3F4F6;
            --text-primary: #111827;
            --text-secondary: #4b5563;
            --text-muted: #6b7280;
            --card-bg: #FFFFFF;
            --card-border: #E5E7EB;
            --input-bg: #FFFFFF;
            --input-ring: #D1D5DB;
            --header-bg: rgba(249, 250, 251, 0.8);
            --header-border: #E5E7EB;
        }

        body {
            font-family: 'Source Sans 3', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            transition: background-color 0.3s, color 0.3s;
        }
        .bg-secondary { background-color: var(--bg-secondary); }
        .text-secondary { color: var(--text-secondary); }
        .text-muted { color: var(--text-muted); }
        .card { 
            background-color: var(--card-bg);
            border: 1px solid var(--card-border);
            backdrop-filter: blur(10px);
        }
        .header-bg { background-color: var(--header-bg); }
        .header-border { border-color: var(--header-border); }
        .input-bg { background-color: var(--input-bg); }
        .input-ring { ring-color: var(--input-ring); }
        
        .gradient-text {
            background: linear-gradient(90deg, #BDEA1D, #19C742, #8E00F2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-fill-color: transparent;
        }
        .cta-button {
            background: linear-gradient(90deg, #BDEA1D, #30B800);
            transition: all 0.3s ease;
        }
        .cta-button:hover {
            transform: scale(1.05);
            box-shadow: 0 0 20px #BDEA1D;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease-in-out;
        }
        .faq-question.open + .faq-answer {
            max-height: 500px;
        }