* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Poppins', sans-serif;
        }
        
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
            padding-top: 80px; /* Space for sticky header */
        }
        
        /* Sticky Header */
        .sticky-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: #2c3e50;
            color: white;
            padding: 15px 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            z-index: 1000;
            transition: all 0.3s ease;
        }
        
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .logo {
            font-size: 1.5rem;
            font-weight: bold;
            color: white;
            text-decoration: none;
        }
        
        .nav-links a {
            color: white;
            text-decoration: none;
            margin-left: 20px;
            transition: color 0.3s ease;
        }
        
        .nav-links a:hover {
            color: #e74c3c;
        }
        
        .header-countdown {
            display: flex;
            align-items: baseline;
            gap: 5px; 
        }
        
        .header-countdown span {
            background: rgba(255,255,255,0.2);
            padding: 5px 10px;
            border-radius: 3px;
            font-size: 0.9rem;
        }
        
        header {
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), 
                        url('assets/img/bgpmdd.jpg');
            background-size: cover;
            background-position: center;
            color: white;
            text-align: center;
            padding: 150px 20px 100px;
            position: relative;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        h1 {
            font-size: 3rem;
            margin-bottom: 20px;
        }
        
        h2 {
            font-size: 2rem;
            margin-bottom: 30px;
            color: ;
        }
        
        .tagline {
            font-size: 1.5rem;
            margin-bottom: 30px;
        }
        
        .btn {
            display: inline-block;
            background: #e74c3c;
            color: white;
            padding: 12px 30px;
            text-decoration: none;
            border-radius: 5px;
            font-weight: bold;
            margin-top: 20px;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }
        
        .btn:hover {
            background: #c0392b;
            transform: translateY(-3px);
        }
        
        .countdown {
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(5px);
            padding: 20px;
            border-radius: 10px;
            margin: 40px auto;
            max-width: 600px;
        }
        
        .countdown-title {
            font-size: 1.2rem;
            margin-bottom: 15px;
        }
        
        .countdown-container {
            display: flex;
            justify-content: center;
            gap: 0px;
        }
        
        .countdown-box {
            background: rgba(0, 0, 0, 0.7);
            padding: 15px;
            border-radius: 5px;
            min-width: 80px;
        }
        
        .countdown-value {
            font-size: 2rem;
            font-weight: bold;
            display: block;
        }
        
        .countdown-label {
            font-size: 0.8rem;
            opacity: 0.8;
        }
        
        .event-details {
            padding: 80px 0;
            text-align: center;
        }
        
        .details-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .detail-card {
            background: white;
            padding: 30px;
            border-radius: 5px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .detail-card i {
            font-size: 2.5rem;
            color: #e74c3c;
            margin-bottom: 20px;
        }
        
        .registration {
            background: #2c3e50;
            color: white;
            padding: 80px 0;
            text-align: center;
        }
        
        .form-container {
            max-width: 600px;
            margin: 0 auto;
            background: white;
            padding: 40px;
            border-radius: 5px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            color: #333;
        }
        
        .form-row {
            display: flex;
            gap: 20px;
            margin-bottom: 20px;
        }
        
        .form-group {
            flex: 1;
            min-width: 0;
            text-align: left;
        }
        
        label {
            display: block;
            margin-bottom: 5px;
            font-weight: bold;
        }
        
        input, select {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
        }
        
        .form-submit {
            text-align: center;
            margin-top: 20px;
        }
        
        footer {
            background: #1a252f;
            color: white;
            text-align: center;
            padding: 30px 0;
            margin-top: 50px;
        }
        
        @media (max-width: 768px) {
            h1 {
                font-size: 2.5rem;
            }
            
            h2 {
                font-size: 1.8rem;
            }
            
            .countdown-container {
                flex-wrap: wrap;
            }
            
            .countdown-box {
                min-width: 70px;
            }
            
            .header-container {
                flex-direction: column;
                gap: 10px;
            }
            
            .nav-links {
                margin-top: 10px;
            }
            
            .header-countdown {
                margin-top: 10px;
            }
        }
        /* New About Conference Section */
        .about-conference {
            padding: 80px 0;
            background: #f0f4f8;
        }
        
        .about-container {
            display: flex;
            gap: 40px;
            align-items: center;
        }
        
        .about-content {
            flex: 1;
        }
        
        .about-video {
            flex: 1;
            min-width: 0;
        }
        
        .video-wrapper {
            position: relative;
            padding-bottom: 56.25%; /* 16:9 aspect ratio */
            height: 0;
            overflow: hidden;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .video-wrapper iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: none;
        }
        
        @media (max-width: 768px) {
            .about-container {
                flex-direction: column;
            }
            
            .about-content, .about-video {
                width: 100%;
            }
        }
        /* Social Login Styles */
    .social-login {
        text-align: center;
        margin-bottom: 25px;
    }
    
    .google-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        background: #fff;
        color: #757575;
        border: 1px solid #ddd;
        padding: 12px 20px;
        border-radius: 5px;
        font-weight: bold;
        width: 100%;
        cursor: pointer;
        transition: all 0.3s ease;
    }
    
    .google-btn:hover {
        background: #f8f8f8;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }
    
    .google-btn img {
        width: 20px;
        height: 20px;
    }
    
    .divider {
        display: flex;
        align-items: center;
        margin: 20px 0;
        color: #777;
    }
    
    .divider::before,
    .divider::after {
        content: "";
        flex: 1;
        border-bottom: 1px solid #ddd;
    }
    
    .divider span {
        padding: 0 15px;
    }
    
    /* Make form submit button full width */
    .email-registration .btn {
        width: 100%;
    }