/* All previous styles remain the same */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
            color: #ffffff;
            overflow-x: hidden;
            line-height: 1.6;
        }
        .neural-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            opacity: 0.1;
        }
        .neuron {
            position: absolute;
            width: 4px;
            height: 4px;
            background: #00d4ff;
            border-radius: 50%;
            animation: pulse 2s infinite ease-in-out;
        }
        .synapse {
            position: absolute;
            height: 1px;
            background: linear-gradient(90deg, transparent, #00d4ff, transparent);
            animation: flow 3s infinite linear;
        }
        @keyframes pulse {
            0%, 100% { opacity: 0.3; transform: scale(1); }
            50% { opacity: 1; transform: scale(1.5); }
        }
        @keyframes flow {
            0% { opacity: 0; transform: scaleX(0); }
            50% { opacity: 1; transform: scaleX(1); }
            100% { opacity: 0; transform: scaleX(0); }
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 1;
        }
        .header {
            text-align: center;
            padding: 40px 0 60px; /* Adjusted padding for language toggle */
            position: relative;
        }


        .login {
            position: absolute;
            top: 20px;
            right: 150px;
            display: flex;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 20px;
            overflow: hidden;
            z-index: 10;
        }

        /* NEW: Language Toggle Styles */
        .lang-toggle {
            position: absolute;
            top: 20px;
            right: 20px;
            display: flex;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 20px;
            overflow: hidden;
            z-index: 10;
        }
        .lang-btn {
            padding: 8px 16px;
            background: transparent;
            border: none;
            color: #94a3b8;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .lang-btn.active {
            background: #00d4ff;
            color: #0f0f23;
            box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
        }
        .logo {
            font-size: 3.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, #00d4ff, #7c3aed, #ec4899);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 10px;
            animation: glow 3s ease-in-out infinite alternate;
        }
        @keyframes glow {
            from { filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.3)); }
            to { filter: drop-shadow(0 0 30px rgba(124, 58, 237, 0.5)); }
        }
        .tagline {
            font-size: 1.5rem;
            color: #94a3b8;
        }
        .slogan {
            font-size: 1.2rem;
            color: #64748b;
            margin-top: 5px;
            margin-bottom: 40px;
            font-style: italic;
        }
        .nav-tabs {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }
        .tab-btn {
            padding: 12px 24px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 25px;
            color: #ffffff;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 500;
            backdrop-filter: blur(10px);
        }
        .tab-btn:hover, .tab-btn.active {
            background: rgba(0, 212, 255, 0.2);
            border-color: #00d4ff;
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(0, 212, 255, 0.2);
        }
        .content-section {
            display: none;
            animation: fadeInUp 0.6s ease-out;
        }
        .content-section.active {
            display: block;
        }
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 30px;
            margin-bottom: 30px;
            backdrop-filter: blur(20px);
            transition: all 0.3s ease;
        }
        .card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(0, 212, 255, 0.3);
            transform: translateY(-5px) scale(1.01);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
        }
        .card-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: #00d4ff;
        }
        .card-subtitle {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 20px 0 10px;
            color: #ec4899;
        }
        .highlight-box {
            background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(124, 58, 237, 0.1));
            border-left: 4px solid #00d4ff;
            padding: 20px;
            margin: 20px 0;
            border-radius: 10px;
        }
        .tech-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .platform-badge {
            display: inline-block;
            background: linear-gradient(135deg, #7c3aed, #ec4899);
            color: white;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            margin: 5px;
        }
        .principle {
            background: rgba(124, 58, 237, 0.1);
            border: 1px solid rgba(124, 58, 237, 0.3);
            border-radius: 15px;
            padding: 20px;
            margin: 15px 0;
            font-style: italic;
            text-align: center;
            font-size: 1.1rem;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-card {
            text-align: center;
            padding: 20px;
            background: rgba(0, 212, 255, 0.1);
            border-radius: 15px;
            border: 1px solid rgba(0, 212, 255, 0.2);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: #00d4ff;
            display: block;
        }
        .stat-label {
            color: #94a3b8;
            font-size: 0.9rem;
            margin-top: 5px;
        }
        .footer {
            text-align: center;
            padding: 60px 0 40px;
            color: #64748b;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 80px;
        }
        .floating-elements {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: -1;
        }
        .floating-icon {
            position: absolute;
            font-size: 2rem;
            opacity: 0.1;
            animation: float 6s ease-in-out infinite;
        }
        @keyframes float {
            0%, 100% { transform: translateY(0px) rotate(0deg); }
            50% { transform: translateY(-20px) rotate(10deg); }
        }
        @media (max-width: 768px) {
            .logo { font-size: 2.5rem; }
            .tagline { font-size: 1.2rem; }
            .nav-tabs { flex-direction: column; align-items: center; }
            .card { padding: 20px; }
            .tech-grid { grid-template-columns: 1fr; }
            .lang-toggle { top: 10px; right: 10px; }
        }