* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', sans-serif;
            line-height: 1.6;
            color: #333;
        }

        /* Navigation */
        .navbar {
            background: rgba(15, 32, 39, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            padding: 1rem 0;
            border-bottom: 1px solid rgba(79, 195, 247, 0.2);
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 2rem;
        }

        .nav-logo h2 {
            color: #4fc3f7;
            font-weight: 600;
            font-size: 12px;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .nav-menu li a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
            padding: 0.5rem 1rem;
            border-radius: 8px;
        }

        .nav-menu li a:hover {
            color: #4fc3f7;
            background: rgba(79, 195, 247, 0.1);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
        }

        .hamburger span {
            width: 25px;
            height: 3px;
            background: white;
            transition: all 0.3s ease;
            border-radius: 2px;
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(-45deg) translate(-5px, 6px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(45deg) translate(-5px, -6px);
        }

        /* Mobile Sidebar */
        .mobile-sidebar {
            position: fixed;
            top: 0;
            right: -300px;
            width: 300px;
            height: 100%;
            background: rgba(15, 32, 39, 0.98);
            backdrop-filter: blur(20px);
            z-index: 1001;
            transition: right 0.3s ease;
            padding-top: 80px;
        }

        .mobile-sidebar.active {
            right: 0;
        }

        .mobile-sidebar-header {
            padding: 2rem;
            border-bottom: 1px solid rgba(79, 195, 247, 0.2);
        }

        .mobile-sidebar-header h3 {
            color: #4fc3f7;
            font-size: 1.5rem;
        }

        .mobile-sidebar .nav-menu {
            flex-direction: column;
            gap: 0;
            padding: 2rem;
        }

        .mobile-sidebar .nav-menu li a {
            display: block;
            padding: 1rem;
            border-bottom: 1px solid rgba(79, 195, 247, 0.1);
        }

        .mobile-sidebar-footer {
            position: absolute;
            bottom: 2rem;
            left: 2rem;
            right: 2rem;
            text-align: center;
            color: rgba(255, 255, 255, 0.6);
        }

        .mobile-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .mobile-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        /* Main Content */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        /* Registration Form Section */
        .registration-form-section {
            min-height: 100vh;
            padding: 120px 0 80px;
            background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #0f2027 100%);
            position: relative;
            overflow: hidden;
        }

        .registration-form-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 30% 40%, rgba(79, 195, 247, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(41, 182, 246, 0.1) 0%, transparent 50%);
            animation: backgroundFloat 20s ease-in-out infinite;
        }

        @keyframes backgroundFloat {
            0%, 100% { transform: scale(1) rotate(0deg); }
            50% { transform: scale(1.1) rotate(1deg); }
        }

        .form-container {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .form-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .form-header h2 {
            font-size: 3rem;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, #4fc3f7 0%, #29b6f6 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 4px 8px rgba(79, 195, 247, 0.3);
        }

        .form-header p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 600px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }

        /* Help Container */
        .help-container {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            padding: 2rem;
            border-radius: 20px;
            text-align: center;
            border: 1px solid rgba(79, 195, 247, 0.3);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            margin-bottom: 3rem;
        }

        .help-container h3 {
            color: #4fc3f7;
            font-size: 1.8rem;
            margin-bottom: 1rem;
            text-shadow: 0 2px 4px rgba(79, 195, 247, 0.3);
        }

        .help-container p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.1rem;
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        .help-container strong {
            color: #4fc3f7;
            font-weight: 600;
            text-shadow: 0 1px 2px rgba(79, 195, 247, 0.3);
        }

        /* Registration Form */
        .registration-form {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(15px);
            padding: 3rem;
            border-radius: 25px;
            box-shadow: 
                0 20px 40px rgba(0, 0, 0, 0.2),
                0 0 0 1px rgba(79, 195, 247, 0.3);
            border: 1px solid rgba(79, 195, 247, 0.3);
            position: relative;
            overflow: hidden;
        }

        .registration-form::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #4fc3f7 0%, #29b6f6 50%, #2196f3 100%);
            background-size: 200% 100%;
            animation: gradientSlide 3s ease infinite;
        }

        @keyframes gradientSlide {
            0%, 100% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
        }

        .form-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-bottom: 2.5rem;
        }

        .form-group {
            position: relative;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.8rem;
            font-weight: 600;
            color: white;
            font-size: 1.1rem;
        }

        .required {
            color: #ff5722;
            text-shadow: 0 0 5px rgba(255, 87, 34, 0.3);
        }

        .form-group input[type="text"] {
            width: 100%;
            padding: 1.2rem;
            border: 2px solid rgba(79, 195, 247, 0.4);
            border-radius: 15px;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            background: rgba(255, 255, 255, 0.1);
            color: white;
            backdrop-filter: blur(5px);
        }

        .form-group input[type="text"]::placeholder {
            color: rgba(255, 255, 255, 0.6);
            opacity: 1;
        }

        .form-group input[type="text"]:hover {
            border-color: rgba(79, 195, 247, 0.6);
            background: rgba(255, 255, 255, 0.15);
            box-shadow: 0 0 0 2px rgba(79, 195, 247, 0.1);
        }

        .form-group input[type="text"]:focus {
            outline: none;
            border-color: #4fc3f7;
            background: rgba(255, 255, 255, 0.2);
            box-shadow: 
                0 0 0 4px rgba(79, 195, 247, 0.15),
                0 8px 25px rgba(79, 195, 247, 0.2);
            transform: translateY(-2px);
            color: #4fc3f7;
        }

        .form-hint {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0.5rem;
            font-style: italic;
        }

        .error-message {
            color: #ff5722;
            font-size: 0.9rem;
            margin-top: 0.5rem;
            display: none;
            font-weight: 500;
        }

        .error-message.show {
            display: block;
            animation: slideInError 0.3s ease;
        }

        @keyframes slideInError {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Checkbox Styling */
        .checkbox-group {
            grid-column: 1 / -1;
        }

        .checkbox-container {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            border: 1px solid rgba(79, 195, 247, 0.2);
            transition: all 0.3s ease;
        }

        .checkbox-container:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(79, 195, 247, 0.4);
        }

        .checkbox-container input[type="checkbox"] {
            width: 20px;
            height: 20px;
            accent-color: #4fc3f7;
            cursor: pointer;
        }

        .checkbox-label {
            color: white;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 500;
        }

        /* Form Actions */
        .form-actions {
            display: flex;
            gap: 1.5rem;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 2rem;
        }

        .btn {
            display: inline-block;
            padding: 1.2rem 2.5rem;
            font-size: 1.1rem;
            font-weight: 600;
            text-decoration: none;
            border-radius: 50px;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
            min-width: 200px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .btn-primary {
            background: linear-gradient(135deg, #4fc3f7 0%, #29b6f6 100%);
            color: white;
            box-shadow: 0 8px 25px rgba(79, 195, 247, 0.3);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #29b6f6 0%, #2196f3 100%);
            box-shadow: 0 12px 35px rgba(79, 195, 247, 0.4);
            transform: translateY(-3px);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.1);
            color: white;
            border: 2px solid rgba(79, 195, 247, 0.5);
        }

        .btn-secondary:hover {
            background: rgba(79, 195, 247, 0.2);
            border-color: #4fc3f7;
        }

        /* Success Message */
        .success-message {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 10000;
            animation: fadeIn 0.3s ease;
        }

        .success-message.hidden {
            display: none;
        }

        .success-content {
            background: linear-gradient(135deg, rgba(30, 60, 114, 0.95) 0%, rgba(42, 82, 152, 0.95) 100%);
            backdrop-filter: blur(20px);
            padding: 3rem;
            border-radius: 25px;
            text-align: center;
            max-width: 500px;
            box-shadow: 
                0 25px 50px rgba(0, 0, 0, 0.3),
                0 0 50px rgba(79, 195, 247, 0.3);
            border: 2px solid rgba(79, 195, 247, 0.3);
            animation: slideIn 0.5s ease;
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(-50px) scale(0.9);
            }
            to {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }

        .success-icon {
            font-size: 4rem;
            color: #27ae60;
            margin-bottom: 1.5rem;
            animation: successPulse 2s ease infinite;
        }

        @keyframes successPulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.1); }
        }

        .success-content h3 {
            font-size: 2rem;
            color: white;
            margin-bottom: 1rem;
        }

        /* Footer */
        .footer {
            background: rgba(15, 32, 39, 0.95);
            padding: 2rem 0;
            text-align: center;
        }

        .footer-bottom p {
            color: rgba(255, 255, 255, 0.8);
            margin: 0;
        }

        /* Form validation states */
        .form-group.error input {
            border-color: #ff5722;
            box-shadow: 0 0 0 3px rgba(255, 87, 34, 0.2);
            animation: shake 0.5s ease;
        }

        @keyframes shake {
            0%, 100% { transform: translateX(0); }
            25% { transform: translateX(-5px); }
            75% { transform: translateX(5px); }
        }

        .form-group.success input {
            border-color: #27ae60;
            box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.2);
        }

        .form-group.success::after {
            content: '✓';
            position: absolute;
            right: 1rem;
            top: 3.2rem;
            color: #27ae60;
            font-weight: bold;
            font-size: 1.2rem;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }

            .nav-menu {
                display: none;
            }

            .registration-form-section {
                padding: 100px 0 60px;
            }

            .form-header h2 {
                font-size: 2.5rem;
            }

            .registration-form {
                padding: 2rem;
                margin: 0 1rem;
            }

            .form-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .form-actions {
                flex-direction: column;
                align-items: center;
            }

            .btn {
                width: 100%;
                max-width: 300px;
            }

            .help-container {
                margin: 0 1rem 3rem;
                padding: 1.5rem;
            }
        }

        @media (max-width: 480px) {
            .nav-container {
                padding: 0 1rem;
            }

            .form-header h2 {
                font-size: 2rem;
            }

            .registration-form {
                padding: 1.5rem;
            }

            .success-content {
                margin: 0 1rem;
                padding: 2rem;
            }

            .mobile-sidebar {
                width: 280px;
                right: -280px;
            }
        }

        /* Loading state */
        .btn.loading {
            pointer-events: none;
            opacity: 0.8;
        }

        .btn.loading::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            top: 50%;
            left: 50%;
            margin-left: -10px;
            margin-top: -10px;
            border: 2px solid transparent;
            border-top: 2px solid currentColor;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        /* Prevent text breaking */
        .form-group label,
        .form-hint,
        .checkbox-label,
        .form-header h2,
        .form-header p,
        .help-container h3,
        .help-container p {
            word-break: keep-all;
            hyphens: none;
            overflow-wrap: normal;
        }