:root {
            --primary: #4361ee;
            --secondary: #3f37c9;
            --light: #f8f9fa;
            --dark: #212529;
            --gray: #6c757d;
            --light-gray: #e9ecef;
            --border-radius: 10px;
            --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Roboto', sans-serif;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            color: var(--dark);
            line-height: 1.6;
            min-height: 100vh;
            padding: 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }
        
        .container {
            width: 100%;
            max-width: 500px;
            margin: 0 auto;
            animation: fadeIn 0.8s ease-out;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .card {
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            overflow: hidden;
            margin-bottom: 25px;
            transition: var(--transition);
        }
        
        .card-header {
            background: linear-gradient(120deg, var(--primary), var(--secondary));
            color: white;
            padding: 25px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .card-header::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 200%;
            height: 200%;
            background: rgba(255, 255, 255, 0.1);
            transform: rotate(30deg);
            pointer-events: none;
        }
        
        .card-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 10px 0;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 15px;
        }
        
        .card-subtitle {
            font-size: 1rem;
            font-weight: 300;
            opacity: 0.9;
            margin-top: 10px;
        }
        
        .card-body {
            padding: 30px;
        }
        
        .package-icon {
            width: 80px;
            height: 80px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto;
            font-size: 2.5rem;
            animation: pulse 2s infinite;
        }
        
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        
        .form-group {
            margin-bottom: 25px;
            position: relative;
        }
        
        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .input-wrapper {
            position: relative;
        }
        
        .form-control {
            width: 100%;
            padding: 15px 15px 15px 50px;
            font-size: 1rem;
            border: 2px solid var(--light-gray);
            border-radius: var(--border-radius);
            transition: var(--transition);
            outline: none;
            background: white;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
        }
        
        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
        }
        
        .input-icon {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--gray);
            font-size: 1.2rem;
        }
        
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            width: 100%;
            background: linear-gradient(120deg, var(--primary), var(--secondary));
            color: white;
            text-decoration: none;
            padding: 16px;
            border-radius: var(--border-radius);
            font-weight: 500;
            font-size: 1.1rem;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
            border: none;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }
        
        .btn::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: rgba(255, 255, 255, 0.1);
            transform: rotate(30deg);
            transition: var(--transition);
            pointer-events: none;
        }
        
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(67, 97, 238, 0.4);
        }
        
        .btn:hover::after {
            transform: rotate(30deg) translate(20px, 20px);
        }
        
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 15px;
            margin-top: 30px;
        }
        
        .feature-item {
            background: var(--light);
            border-radius: var(--border-radius);
            padding: 15px;
            text-align: center;
            transition: var(--transition);
        }
        
        .feature-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
        }
        
        .feature-icon {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 10px;
        }
        
        .feature-title {
            font-size: 0.9rem;
            font-weight: 500;
        }
        
        .footer {
            text-align: center;
            color: var(--gray);
            font-size: 0.9rem;
            margin-top: 20px;
            padding: 15px;
        }
        
        .footer a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        
        .footer a:hover {
            text-decoration: underline;
        }
        
        @media (max-width: 576px) {
            .card-header {
                padding: 20px 15px;
            }
            
            .card-title {
                font-size: 1.5rem;
            }
            
            .card-body {
                padding: 20px;
            }
            
            .package-icon {
                width: 70px;
                height: 70px;
                font-size: 2rem;
            }
        }