:root {
            --primary: #4361ee;
            --secondary: #3f37c9;
            --accent: #4cc9f0;
            --light: #f8f9fa;
            --dark: #212529;
            --success: #4bb543;
            --warning: #ff9500;
            --danger: #ff3b30;
        }
        
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        body {
            font-family: 'Poppins', sans-serif;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        .container {
            max-width: 800px;
            margin: 0 auto;
            padding: 2rem;
        }
        
        /* Header Styles */
        .header {
            text-align: center;
            margin-bottom: 3rem;
            position: relative;
            overflow: hidden;
        }
        
        .logo-container {
            display: inline-block;
            position: relative;
            margin-bottom: 1.5rem;
        }
        
        .logo {
            width: 180px;
            z-index: 2;
            position: relative;
            filter: drop-shadow(0 4px 6px rgba(0,0,0,0.1));
            transform: translateY(0);
            animation: float 3s ease-in-out infinite;
        }
        
        .logo-bg {
            position: absolute;
            width: 120px;
            height: 120px;
            background: var(--accent);
            border-radius: 50%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 1;
            opacity: 0.2;
            filter: blur(20px);
        }
        
        h1 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .tagline {
            font-size: 1.2rem;
            color: var(--primary);
            font-weight: 500;
            margin-bottom: 1rem;
        }
        
        .ai-badge {
            display: inline-flex;
            align-items: center;
            background: rgba(67, 97, 238, 0.1);
            color: var(--primary);
            padding: 0.5rem 1rem;
            border-radius: 50px;
            font-size: 0.9rem;
            margin-top: 1rem;
        }
        
        .ai-badge i {
            margin-right: 0.5rem;
            color: var(--accent);
        }
        
        /* About Section */
        .about {
            background: white;
            border-radius: 16px;
            padding: 2rem;
            margin-bottom: 3rem;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            position: relative;
            overflow: hidden;
        }
        
        .about::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background: linear-gradient(to bottom, var(--primary), var(--accent));
        }
        
        .about h2 {
            font-size: 1.8rem;
            margin-bottom: 1rem;
            color: var(--primary);
        }
        
        .about p {
            margin-bottom: 1rem;
        }
        
        .features {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        
        .feature {
            flex: 1 1 200px;
            background: rgba(67, 97, 238, 0.05);
            border-radius: 10px;
            padding: 1rem;
            display: flex;
            align-items: center;
        }
        
        .feature i {
            font-size: 1.5rem;
            color: var(--primary);
            margin-right: 1rem;
        }
        
        /* Form Container */
        .form-container {
            background: white;
            border-radius: 16px;
            padding: 2rem;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            position: relative;
            overflow: hidden;
        }
        
        .form-container::after {
            content: '';
            position: absolute;
            bottom: 0;
            right: 0;
            width: 100px;
            height: 100px;
            background: radial-gradient(circle, var(--accent) 0%, rgba(76, 201, 240, 0) 70%);
            opacity: 0.2;
            z-index: 0;
        }
        
        .form-step {
            display: none;
            position: relative;
            z-index: 1;
        }
        
        .form-step.active {
            display: block;
            animation: fadeInUp 0.5s ease-out;
        }
        
        .step-indicator {
            display: flex;
            justify-content: center;
            margin-bottom: 2rem;
        }
        
        .step {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #e9ecef;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 0.5rem;
            font-weight: 600;
            color: #adb5bd;
            position: relative;
            transition: all 0.3s ease;
        }
        
        .step.active {
            background: var(--primary);
            color: white;
            transform: scale(1.1);
        }
        
        .step.completed {
            background: var(--success);
            color: white;
        }
        
        .step::before {
            content: '';
            position: absolute;
            width: 20px;
            height: 2px;
            background: #e9ecef;
            right: -20px;
        }
        
        .step:last-child::before {
            display: none;
        }
        
        .input-group {
            margin-bottom: 1.5rem;
            text-align: left;
        }
        
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
            color: var(--dark);
        }
        
        input, select {
            width: 100%;
            padding: 15px 20px;
            border: 2px solid #e9ecef;
            border-radius: 10px;
            font-size: 1rem;
            transition: all 0.3s ease;
            background: #f8f9fa;
        }
        
        input:focus, select:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 4px rgba(67, 97, 238, 0.1);
            background: white;
        }
        
        .btn {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
        }
        
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(67, 97, 238, 0.4);
        }
        
        .btn:active {
            transform: translateY(0);
        }
        
        .btn i {
            margin-left: 0.5rem;
        }
        
        .error-message {
            color: #e74c3c;
            margin-top: 0.5rem;
            font-size: 0.9rem;
            display: none;
        }
        
        /* Plans Section */
        .plans {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1rem;
            margin-bottom: 2rem;
        }
        
        .plan-card {
            background: white;
            border-radius: 12px;
            padding: 1.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 2px solid #e9ecef;
            position: relative;
            overflow: hidden;
        }
        
        .plan-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            border-color: var(--primary);
        }
        
        .plan-card.selected {
            border-color: var(--primary);
            background: linear-gradient(135deg, rgba(67, 97, 238, 0.05), rgba(76, 201, 240, 0.05));
        }
        
        .plan-card.selected::before {
            content: '✓';
            position: absolute;
            top: 10px;
            right: 10px;
            width: 25px;
            height: 25px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
        }
        
        .plan-title {
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 0.5rem;
            font-size: 1.2rem;
        }
        
        .plan-desc {
            color: #6c757d;
            font-size: 0.9rem;
        }
        
        .plan-price {
            font-weight: 700;
            color: var(--dark);
            margin-top: 1rem;
            font-size: 1.3rem;
        }
        
        .original-price {
            text-decoration: line-through;
            color: #6c757d;
            font-size: 1rem;
            margin-right: 0.5rem;
        }
        
        .discount-badge {
            background: var(--danger);
            color: white;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-left: 0.5rem;
        }
        
        /* Timer Section */
        .timer-container {
            background: linear-gradient(135deg, var(--warning), #ff6b00);
            color: white;
            padding: 1rem;
            border-radius: 10px;
            margin-bottom: 2rem;
            text-align: center;
            box-shadow: 0 4px 15px rgba(255, 149, 0, 0.3);
            animation: pulseWarning 2s infinite;
        }
        
        .timer-title {
            font-weight: 600;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .timer-title i {
            margin-right: 0.5rem;
        }
        
        .timer {
            font-size: 1.5rem;
            font-weight: 700;
            font-family: monospace;
        }
        
        .timer-message {
            font-size: 0.9rem;
            margin-top: 0.5rem;
            opacity: 0.9;
        }
        
        /* CGPA Celebration */
        .celebration {
            background: linear-gradient(135deg, var(--success), #3a9e3a);
            color: white;
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .celebration::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0) 70%);
            animation: shine 3s infinite;
        }
        
        .celebration-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            position: relative;
        }
        
        .celebration-message {
            font-size: 1rem;
            margin-bottom: 1rem;
            position: relative;
        }
        
        .celebration-badge {
            background: white;
            color: var(--success);
            padding: 0.5rem 1rem;
            border-radius: 50px;
            font-weight: 600;
            display: inline-block;
            margin-top: 0.5rem;
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
        }
        
        /* Footer */
        .more-info {
            margin-top: 3rem;
            text-align: center;
            color: #6c757d;
        }
        
        .more-info a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
        }
        
        .more-info a i {
            margin-right: 0.5rem;
        }
        
        /* Animations */
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }
        
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        @keyframes pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }
        
        @keyframes pulseWarning {
            0%, 100% { transform: scale(1); box-shadow: 0 4px 15px rgba(255, 149, 0, 0.3); }
            50% { transform: scale(1.02); box-shadow: 0 4px 20px rgba(255, 149, 0, 0.4); }
        }
        
        @keyframes shine {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        @keyframes confettiRain {
            0% { transform: translateY(-100vh) rotateZ(0deg); }
            100% { transform: translateY(100vh) rotateZ(360deg); }
        }
        
        /* Particles */
        .particle {
            position: absolute;
            background: rgba(67, 97, 238, 0.1);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .confetti {
            position: fixed;
            width: 10px;
            height: 10px;
            background-color: #f00;
            opacity: 0;
            z-index: 999;
            animation: confettiRain 5s linear forwards;
        }
        /* Add this new style for loading screen */
        .loading-screen {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.9);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            z-index: 1000;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.5s ease;
        }
        
        .loading-screen.active {
            opacity: 1;
            pointer-events: all;
        }
        
        .loading-spinner {
            width: 50px;
            height: 50px;
            border: 5px solid #f3f3f3;
            border-top: 5px solid var(--primary);
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin-bottom: 1rem;
        }
        
        .loading-text {
            font-size: 1.2rem;
            color: var(--primary);
            text-align: center;
            max-width: 300px;
        }
        
        .loading-dots::after {
            content: '';
            animation: dots 1.5s steps(5, end) infinite;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        @keyframes dots {
            0%, 20% { content: '.'; }
            40% { content: '..'; }
            60%, 100% { content: '...'; }
        }
        
        /* Enhance confetti visibility */
        .confetti {
            position: fixed;
            width: 15px;
            height: 15px;
            background-color: #f00;
            opacity: 0.8;
            z-index: 999;
            animation: confettiRain 5s linear forwards;
        }
        
        @keyframes confettiRain {
            0% { 
                transform: translateY(-100vh) rotateZ(0deg); 
                opacity: 1;
            }
            100% { 
                transform: translateY(100vh) rotateZ(360deg);
                opacity: 0;
            }
        }
        
        /* Responsive */
        @media (max-width: 768px) {
            .container {
                padding: 1.5rem;
            }
            
            h1 {
                font-size: 2rem;
            }
            
            .plans {
                grid-template-columns: 1fr;
            }
        }
        body.locked {
      display: none !important; /* Page stays hidden without JS */
    }