* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Titillium Web', sans-serif;
    background-color: #131316;
}

.main-container {
    opacity: 0;
    animation: fadeIn 3s forwards;
    display: flex;
    height: 95vh;
}

.mobile-page {
    display: none;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.left-part {
    height: 100vh;
    width: 45%;
    display: flex;
    align-items: center;
    position: relative;
    cursor: default;
}

.main-content {
    position: absolute;
    font-size: 15px;
    left: 15vw;
    height: 80%;
    width: 30vw;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: .5rem;
}

p {
    font-size: 1.2rem;
}

.logo {
    height: 100px;
}

.topics-area {
    height: 75%;
    width: 100%;
    color: white;
    display: flex;
    justify-content: space-between;
}

.column1 {
    height: 100%;
    width: 40%;
}

.performance {
    margin-bottom: 50px;
}

.column2 {
    height: 100%;
    width: 40%;
    padding-top: 30px;
}

.design {
    margin-bottom: 50px;
}

.right-part {
    height: 100vh;
    width: 55%;
    display: flex;
    align-items: center;
}

.contact-area {
    position: absolute;
    right: 15vw;
}

h3 {
    text-align: center;
    color: white;
    font-weight: 500;
    font-size: 2rem;
    margin-bottom: 20px;
}

input,
textarea {
    font-size: 1.3rem;
    display: block;
    width: 32vw;
    background-color: #131316;
    border: white solid 1px;
    padding-left: 10px;
    color: white;
}

input {
    height: 45px;
    margin-bottom: 20px;
}

input:focus,
textarea:focus {
    outline: none;
}

.message {
    padding-top: 10px;
    height: 200px;
    margin-bottom: 20px;
}

a, a:active, a:visited {
    text-decoration: none;
}

button {
    background-color: transparent;
    width: 100px;
    border: none;
    color: white;
    font-size: 1.3rem;
    font-weight: 700;
    cursor: pointer;
}

button:hover {
    background-color: #373741;
}

input::placeholder,
textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
    font-family: 'Titillium Web', sans-serif;
}

.under-contact-form {
    display: flex;
    justify-content: space-between;
}

.contact-icon-mail,
.contact-icon-whatsapp {
    height: 25px;
}

.contact-icon-mail {
    cursor: pointer;
    margin-right: 20px;
}

.email-box {
    display: none;
    position: absolute;
    color: white;
    background-color: #373741;
    margin-top: 10px;
    padding: 5px 10px;
}

.footer-text {
    text-align: center;
    color: rgba(255, 255, 255, 0.3);
    font-size: 1rem;
}

@media screen and (max-width: 768px) {

    .left-part {
        display: none;
    }
    .right-part {
        display: none;
    }
    footer {
        display: none;
    }

    .mobile-page {
        display: block;
    }

    body {
        background-color: black;
    }
    .main-container-mobile {
        display: flex;
        flex-direction: column;
        align-items: center;
        padding-top: 100px;
        text-align: center;
    }
    
    .logo-mobile {
        height: 100px;
        margin-bottom: 30vh;
    }

    .button-converse-mobile {
        margin-bottom: 45vh;
        font-size: 2rem;
        text-decoration: none;
        color: white;
    }

    .performance-mobile, 
    .design-mobile {
        background-color: #131316;
        color: white;
        padding: 50px;
        height: 50vh;
    }

    .seo-mobile, 
    .responsividade-mobile {
        background-color: white;
        color: black;
        padding: 50px;
        height: 50vh;
    }

    .main-container-mobile h2 {
        font-size: 2.5rem;
    }

    .main-container-mobile p {
        font-size: 1.5rem;
    }

    .performance-mobile, .seo-mobile, .design-mobile, .responsividade-mobile {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    .contact-area-mobile {
        color: white;
        height: 20vh;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .contact-area-mobile p {
        width: 95%;
        font-size: 1.5rem;
    }
}