.modern-form {
    max-width: 500px;
    margin: 0 auto;
}

.modern-form fieldset {
    border: none;
    padding: 0;
}

.form-group {
    margin-bottom: 15px;
}

.modern-form input[type="text"],
.modern-form input[type="email"],
.modern-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px; 
    font-size: 14px;
    background-color: #f9f9f9;
    transition: all 0.3s ease; 
    box-sizing: border-box; 
}

.modern-form input:focus,
.modern-form textarea:focus {
    outline: none;
    border-color: #333; 
    background-color: #fff;
    box-shadow: 0 0 5px rgba(0,0,0,0.1);
}

#submit-btn {
    width: 100%;
    padding: 12px;
    background-color: #222; 
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    transition: background-color 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

#submit-btn:hover {
    background-color: #666;
}

#note {
    margin-top: 15px;
    text-align: center;
    font-size: 14px;
}

.msg-sent {
    text-align:center;
    padding: 9rem 5rem;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-top: 4rem;
}

.msg-sent h2 {
    color: #79b00090;
}


#loading {
    text-align: center;
    padding: 20px;
    margin: 20px 0;
    color: #555;
    font-family: Arial, sans-serif;
}

.spinner {
    border: 4px solid rgba(0, 0, 0, 0.1); /* Светьл фон на кръгчето */
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border-left-color: #a8cf45; /* Цветът на движението - може да ползвате вашия зелен цвят */
    margin: 0 auto 10px; /* Центриране и разстояние от текста */
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}