.logo {
    width: 100px; /* Default size */
}

@media (min-width: 768px) {
    .logo {
        width: 75px; /* Medium screens and up */
    }
}

@media (min-width: 1024px) {
    .logo {
        width: 100px; /* Large screens */
    }
}

/* General styles */
body, html {
    height: 100%;
    font-family: 'Poppins', sans-serif;
}

.wrap-contact100 {
    width: 500px;
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    padding: 42px 55px 45px 55px;
}

.wrap-input100 {
    position: relative;
    margin-bottom: 20px;
}

.label-input100 {
    font-size: 14px;
    font-weight: bold;
    color: #666666;
    margin-bottom: 8px;
    display: block;
}

.input100 {
    width: 100%;
    height: 40px;
    padding: 0 10px;
    border: none;
    border-bottom: 2px solid #d9d9d9;
    font-size: 16px;
    color: #333333;
    background: transparent;
}

.input100:focus {
    border-bottom: 2px solid #a64bf4;
    outline: none;
}

.contact100-form-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 50px;
    background: -webkit-linear-gradient(left, #001f4d, #001a40);
    background: linear-gradient(left, #001f4d, #001a40);
    border-radius: 25px;
    color: #fff;
    font-size: 16px;
    font-family: 'Poppins', sans-serif;
    cursor: pointer;
    transition: 0.4s;
}

.contact100-form-btn:hover {
    background: -webkit-linear-gradient(right, #001a40, #001f4d);
    background: linear-gradient(right, #001a40, #001f4d);
}

.contact100-form-title {
    display: block;
    font-family: 'Poppins', sans-serif;
    font-weight: bold;
    font-size: 30px;
    color: #333333;
    text-align: center;
    padding-bottom: 20px;
    margin: 0 auto;
}

.container-contact100 {
    width: 100%;  
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 15px;
    background: -webkit-linear-gradient(45deg, #001f4d, #001a40);
    background: linear-gradient(45deg, #001f4d, #001a40);
}