:root {
            --primary: #0033ff;
            --primary-glow: rgba(0, 51, 255, 0.4);
            --bg-dark: #010010;
            --card-bg: rgba(10, 10, 35, 0.8);
            --text-main: #ffffff;
            --text-dim: #aeb5d9;
            --accent: #3b82f6;
            --sidebar-width: clamp(240px, 20vw, 300px);
        }

        * { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Poppins', sans-serif; }
        
        body {
            background: var(--bg-dark);
            color: var(--text-main);
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* --- Background Elements --- */
        .bg-glow {
            position: fixed;
            inset: 0;
            background: 
                radial-gradient(circle at 15% 20%, #1a1a50aa, transparent 40%),
                radial-gradient(circle at 85% 70%, #0033ff44, transparent 40%);
            filter: blur(80px);
            z-index: -2;
        }

        .grid-overlay {
            position: fixed;
            inset: 0;
            background-image: linear-gradient(rgba(10, 10, 42, 0.2) 1px, transparent 1px),
                              linear-gradient(90deg, rgba(10, 10, 42, 0.2) 1px, transparent 1px);
            background-size: 50px 50px;
            z-index: -1;
        }

        /* --- Mobile Overlay --- */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(4px);
            z-index: 999;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .sidebar-overlay.active { display: block; opacity: 1; }

        /* --- Sidebar --- */
        nav.sidebar {
            position: fixed;
            left: 0;
            top: 0;
            height: 100vh;
            width: 280px;
            background: rgba(2, 2, 20, 0.9);
            backdrop-filter: blur(15px);
            border-right: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            flex-direction: column;
            padding: 2.5rem 1.5rem;
            z-index: 1000;
            transform: translateX(-100%);
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        nav.sidebar.active { transform: translateX(0); }

        .profile-container { text-align: center; margin-bottom: 2rem; }
        .profile-img {
            width: 100px; height: 100px; border-radius: 50%;
            border: 3px solid var(--primary); padding: 5px;
            box-shadow: 0 0 20px var(--primary-glow); object-fit: cover;
        }

        .nav-links { display: flex; flex-direction: column; gap: 0.5rem; }
        .nav-links a {
            display: flex; align-items: center; padding: 0.75rem 1rem;
            color: var(--text-dim); text-decoration: none;
            border-radius: 12px; transition: 0.3s; font-size: 0.95rem;
        }
        .nav-links a i { width: 25px; font-size: 1.1rem; }
        .nav-links a span { margin-left: 10px; }
        
        .nav-links a:hover, .nav-links a.active {
            background: rgba(0, 51, 255, 0.15);
            color: #fff;
            transform: translateX(5px);
        }

        /* --- Main Content --- */
        main {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 5rem 1.5rem 6rem;
            transition: 0.4s;
            width: 100%;
        }

        .hero-card {
            max-width: 800px;
            width: 100%;
            background: var(--card-bg);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 24px;
            padding: 3rem 1.5rem;
            backdrop-filter: blur(20px);
            box-shadow: 0 20px 50px rgba(0,0,0,0.5);
            position: relative;
            text-align: center;
            animation: slideUp 0.8s ease-out;
        }

        @keyframes slideUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* --- Construction Visuals --- */
        .status-badge {
            display: inline-block;
            padding: 6px 15px;
            background: rgba(59, 130, 246, 0.1);
            border: 1px solid var(--accent);
            color: var(--accent);
            border-radius: 50px;
            font-size: 0.7rem;
            font-family: 'JetBrains Mono', monospace;
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
 /* d */
        .hero-card h1 {
            font-size: clamp(2rem, 8vw, 3.5rem);
            margin-bottom: 20px;
            background: linear-gradient(to right, #fff, #3b82f6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .progress-container {
            width: 100%;
            background: rgba(255,255,255,0.05);
            height: 8px;
            border-radius: 10px;
            margin: 30px 0;
            overflow: hidden;
            position: relative;
        }
        .progress-bar {
            position: absolute;
            height: 100%;
            width: 65%;
            background: var(--primary);
            box-shadow: 0 0 15px var(--primary-glow);
            border-radius: 10px;
            animation: progressAnim 2s ease-in-out infinite alternate;
        }

        @keyframes progressAnim {
            0% { width: 50%; }
            100% { width: 85%; }
        }

        .code-snippet {
            font-family: 'JetBrains Mono', monospace;
            color: var(--accent);
            font-size: 13px;
            opacity: 0.7;
            margin: 15px 0;
            word-break: break-all;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary);
            color: white;
            padding: 12px 30px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 500;
            transition: 0.3s;
            box-shadow: 0 10px 20px var(--primary-glow);
            margin-top: 20px;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px var(--primary-glow);
        }

        /* --- UI Accents --- */
        .terminal-dots {
            position: absolute;
            top: 20px; left: 25px;
            display: flex; gap: 8px;
        }
        .dot { width: 12px; height: 12px; border-radius: 50%; }
        .red { background: #ff5f56; }
        .yellow { background: #ffbd2e; }
        .green { background: #27c93f; }

        .particle {
            position: fixed; background: var(--primary);
            border-radius: 50%; pointer-events: none;
            z-index: -1; opacity: 0.4;
        }

        /* --- Mobile Toggle --- */
        .mobile-toggle {
            display: flex; align-items: center; justify-content: center;
            position: fixed; top: 1rem; right: 1rem;
            z-index: 2000; background: var(--primary);
            width: 3rem; height: 3rem; border-radius: 12px;
            border: none; color: white; font-size: 1.5rem;
            cursor: pointer; box-shadow: 0 4px 15px var(--primary-glow);
        }

        /* --- Footer --- */
        footer {
            position: fixed; bottom: 0; width: 100%;
            padding: 1rem; text-align: center; font-size: 0.8rem;
            color: var(--text-dim); background: rgba(1, 0, 16, 0.8);
            backdrop-filter: blur(10px); border-top: 1px solid rgba(255,255,255,0.05);
            z-index: 100;
        }

        /* --- Desktop --- */
        @media (min-width: 1024px) {
            body { flex-direction: row; }
            .mobile-toggle, .sidebar-overlay { display: none !important; }
            nav.sidebar { transform: translateX(0); width: var(--sidebar-width); }
            main { margin-left: var(--sidebar-width); padding: 3.5rem; }
            footer { width: calc(100% - var(--sidebar-width)); left: var(--sidebar-width); }
            .hero-card { padding: 4rem; }
        }