:root {
            --primary: #4a9d5e;
            --secondary: #3a7c4a;
            --accent: #ff7e36;
            --light: #f8f9fa;
            --dark: #343a40;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        .volunteer-section {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            padding: 60px 20px;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
        }
        
        .volunteer-container {
            max-width: 1000px;
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            border-radius: 20px;
            overflow: hidden;
        }
        
        .form-content {
            flex: 1;
            min-width: 300px;
            padding: 40px;
            background: white;
        }
        
        .form-image {
            flex: 1;
            min-width: 300px;
            background: url('https://images.unsplash.com/photo-1522071901873-411886a10004?ixlib=rb-4.0.3&auto=format&fit=crop&w=800&q=80') center/cover no-repeat;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 30px;
            color: white;
            position: relative;
        }
        
        .form-image::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.3) 100%);
        }
        
        .image-text {
            position: relative;
            z-index: 1;
        }
        
        .image-text h2 {
            font-size: 2.5rem;
            margin-bottom: 15px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }
        
        .image-text p {
            font-size: 1.1rem;
            line-height: 1.6;
        }
        
        .form-title {
            color: var(--primary);
            margin-bottom: 10px;
            font-size: 2.2rem;
        }
        
        .form-subtitle {
            color: var(--dark);
            margin-bottom: 30px;
            font-size: 1.1rem;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark);
        }
        
        .form-control {
            width: 100%;
            padding: 14px;
            border: 2px solid #e1e5eb;
            border-radius: 10px;
            font-size: 16px;
            transition: all 0.3s;
        }
        
        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(74, 157, 94, 0.2);
            outline: none;
        }
        
        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }
        
        .availability-container {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 10px;
        }
        
        .availability-option {
            flex: 1;
            min-width: 120px;
        }
        
        .availability-option input[type="checkbox"] {
            display: none;
        }
        
        .availability-option label {
            display: block;
            padding: 12px;
            background: #edf7f0;
            border-radius: 8px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s;
            border: 2px solid #e1e5eb;
            font-weight: normal;
        }
        
        .availability-option input[type="checkbox"]:checked + label {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
        }
        
        .btn-submit {
            background: var(--primary);
            color: white;
            border: none;
            padding: 15px 30px;
            font-size: 18px;
            font-weight: 600;
            border-radius: 10px;
            cursor: pointer;
            width: 100%;
            transition: all 0.3s;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
        }
        
        .btn-submit:hover {
            background: var(--secondary);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .btn-submit:active {
            transform: translateY(0);
        }
        
        @media (max-width: 768px) {
            .volunteer-container {
                flex-direction: column;
            }
            
            .form-image {
                min-height: 300px;
            }
        }

.form-message {
    margin-top: 15px;
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 1rem;
    text-align: center;
}

.form-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.form-message.warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}