* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
body {
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
    /* padding: 20px; */
}
.container {
    max-width: 800px;
    margin: 0 auto;
    /* background-color: white; */
    border-radius: 15px;
    /* box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08); */
    overflow: hidden;
} 
.contain {
    max-width: 800px;
    margin: 0 auto;
    background-color: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    overflow: hidden;
} 
.head {
    background:linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    padding: 30px;
    text-align: center;
    border-radius: 10px;
}       
.logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 15px;
}        
.whatsapp-icon {
    font-size: 2.8rem;
    margin-right: 15px;
}     
h1 {
    font-size: 2.2rem;
    margin-bottom: 10px;
}      
.subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}       
.form-container {
    padding: 30px;
}     
.form-group {
    margin-bottom: 25px;
}        
label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #444;
}        
input, textarea {
    width: 100%;
    padding: 14px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: border 0.3s;
}        
input:focus, textarea:focus {
    border-color: #25D366;
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.2);
}        
textarea {
    min-height: 120px;
    resize: vertical;
}     
.file-input-container {
    border: 2px dashed #ccc;
    border-radius: 8px;
    padding: 25px;
    text-align: center;
    transition: all 0.3s;
}        
.file-input-container:hover {
    border-color: #25D366;
    background-color: #f9f9f9;
}        
.file-input-label {
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #666;
}      
.file-input-label i {
    font-size: 2.5rem;
    color: #25D366;
    margin-bottom: 10px;
}        
#file-chosen {
    margin-top: 10px;
    font-size: 0.9rem;
    color: #888;
}     
#image-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}       
.preview-image {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid #ddd;
}        
.button-container {
    display: flex;
    justify-content: center;
    margin-top: 30px;
}       
.send-button {
    background: linear-gradient(to right, #25D366, #128C7E);
    color: white;
    border: none;
    padding: 16px 40px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    display: flex;
    align-items: center;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}        
.send-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}        
.send-button:active {
    transform: translateY(0);
}        
.send-button i {
    margin-right: 10px;
    font-size: 1.2rem;
}        
.instructions {
    background-color: #f0f9ff;
    border-left: 4px solid #25D366;
    padding: 20px;
    margin-top: 30px;
    border-radius: 0 8px 8px 0;
}        
.instructions h3 {
    color: #128C7E;
    margin-bottom: 10px;
}        
footer {
    text-align: center;
    padding: 20px;
    color: #777;
    font-size: 0.9rem;
    border-top: 1px solid #eee;
    margin-top: 30px;
}        
.required {
    color: #e63946;
}     
.phone-input-container {
    display: flex;
    align-items: center;
}      
.phone-prefix {
    background-color: #f1f1f1;
    padding: 14px 15px;
    border: 1px solid #ddd;
    border-right: none;
    border-radius: 8px 0 0 8px;
    font-weight: 600;
}        
#phone {
    border-radius: 0 8px 8px 0;
}      
@media (max-width: 600px) {
    .container {
        border-radius: 10px;
    }            
    .head {
        padding: 25px 20px;
    }      
    h1 {
        font-size: 1.8rem;
    }        
    .form-container {
        padding: 25px 20px;
    }       
    .send-button {
        width: 100%;
        justify-content: center;
    }
}