/* portfolio.css */
        :root {
            --bg-dark: #020617;
            --accent-blue: #3b82f6;
            --text-gray: #94a3b8;
        }

        body {
            font-family: 'Inter', sans-serif;
            background-color: var(--bg-dark);
            color: white;
            overflow-x: hidden;
        }

        .mono { font-family: 'JetBrains Mono', monospace; }

        /* Central Spotlight Glow */
        .spotlight {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 100vw;
            height: 100vh;
            background: radial-gradient(circle at center, rgba(59, 130, 246, 0.08) 0%, transparent 60%);
            pointer-events: none;
            z-index: 0;
        }

        .nav-link {
            transition: color 0.3s ease;
            color: var(--text-gray);
        }
        .nav-link:hover { color: white; }

        .btn-primary {
            background-color: var(--accent-blue);
            transition: all 0.3s ease;
        }
        .btn-primary:hover {
            background-color: #2563eb;
            transform: translateY(-2px);
            box-shadow: 0 10px 25px -5px rgba(59, 130, 246, 0.4);
        }

        .btn-secondary {
            border: 1px solid #334155;
            transition: all 0.3s ease;
        }
        .btn-secondary:hover {
            background-color: white;
            color: black;
            transform: translateY(-2px);
        }

        .skill-chip {
            border: 1px solid #1e293b;
            padding: 0.5rem 1.25rem;
            border-radius: 9999px;
            font-size: 0.875rem;
            color: var(--text-gray);
            transition: all 0.3s ease;
        }
        .skill-chip:hover {
            border-color: var(--accent-blue);
            color: white;
        }

        .project-card {
            background: #0f172a;
            border: 1px solid #1e293b;
            transition: transform 0.3s ease;
            overflow: hidden;
        }
        .project-card:hover {
            transform: translateY(-5px);
        }

        .typewriter-cursor::after {
            content: '|';
            animation: blink 0.8s infinite;
            color: var(--accent-blue);
            margin-left: 2px;
        }

        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0; }
        }

        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease-out;
        }
        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }

        #mobile-menu {
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            transform: translateY(-100%);
        }
        #mobile-menu.active {
            transform: translateY(0);
        }

        header.scrolled {
            background-color: rgba(2, 6, 23, 0.85);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 1rem;
            padding-bottom: 1rem;
        }

        section {
            scroll-margin-top: 80px;
        }

        /* Prevent layout shift during typing */
        #typing-text {
            min-height: 1.5em;
            display: inline-block;
        }