body {
            font-family: 'Poppins', sans-serif;
            background-color: #0F172A; /* slate-900 */
        }
        /* Custom scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0F172A; /* slate-900 */
        }
        ::-webkit-scrollbar-thumb {
            background: #334155; /* slate-700 */
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #475569; /* slate-600 */
        }
        /* 3D background canvas */
        #background-canvas {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            z-index: -1; /* Place it behind all content */
        }
        /* Modal styling */
        #submission-modal {
            transition: opacity 0.3s ease-in-out;
        }
        #submission-modal .modal-content {
            transition: transform 0.3s ease-in-out;
        }
        /* Scroll reveal animation */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease-out, transform 0.8s ease-out;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }
        /* 3D Card Effect */
        .project-card-container {
            perspective: 1000px;
        }
        .project-card {
            transition: transform 0.5s ease;
            transform-style: preserve-3d;
        }
        /* 3D Hover Effect */
        .hover-3d {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .hover-3d:hover {
            transform: translateZ(10px) translateY(-2px);
            box-shadow: 0 10px 20px -5px rgba(0, 0, 0, 0.3), 0 0 15px rgba(20, 184, 166, 0.4);
        }
        /* Glowing Underline */
        .title-underline {
            box-shadow: 0 0 12px 2px rgba(20, 184, 166, 0.5);
        }
             /* Typewriter Effect */
        .typewriter h1 {
            overflow: hidden;
            border-right: .15em solid #14B8A6; /* The cursor */
            white-space: nowrap;
            margin: 0 auto;
            letter-spacing: .1em;
            animation: 
                typing 3.5s steps(40, end),
                blink-caret .75s step-end infinite;
        }

        @keyframes typing {
            from { width: 0 }
            to { width: 100% }
        }

        @keyframes blink-caret {
            from, to { border-color: transparent }
            50% { border-color: #14B8A6; }
        }