:root {
            --bg-grid-color: #cbd5e1; 
            --mask-gradient: radial-gradient(circle at center, rgba(0,0,0,1) 40%, transparent 100%);
        }
        
        .dark { --bg-grid-color: #1f1f1f; }

        body {
            font-family: 'Manrope', sans-serif;
            transition: background-color 0.3s ease, color 0.3s ease;
        }
        
        h1, h2, h3, h4, h5, h6 { font-family: 'Space Grotesque', sans-serif; }
        
        /* Grid Background */
        .bg-grid-wrapper {
            position: fixed; inset: 0; z-index: 0; pointer-events: none;
            background-size: 40px 40px;
            background-image: linear-gradient(to right, var(--bg-grid-color) 1px, transparent 1px),
                              linear-gradient(to bottom, var(--bg-grid-color) 1px, transparent 1px);
            mask-image: var(--mask-gradient); -webkit-mask-image: var(--mask-gradient);
            opacity: 0.2; transition: opacity 0.3s ease;
        }
        
        .animation-delay-2000 { animation-delay: 2s; }
        .animation-delay-4000 { animation-delay: 4s; }

        .glass {
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            transition: background-color 0.3s ease, border-color 0.3s ease;
        }

        .dark .glass {
            background: rgba(10, 10, 10, 0.8);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .card-hover { transition: all 0.3s ease; }
        .card-hover:hover {
            border-color: rgba(0, 230, 204, 0.5); 
            transform: translateY(-2px);
            box-shadow: 0 10px 40px -10px rgba(0, 230, 204, 0.15);
        }

        .prose strong { font-weight: 600; color: inherit; }
        .prose ul { list-style-type: disc; padding-left: 1.5rem; margin-top: 0.5rem; margin-bottom: 0.5rem; }
        .prose li { margin-bottom: 0.25rem; }
        
        .modal-open { overflow: hidden; }