body{
    margin: 0 auto;
    font-family: "Raleway", "Segoe UI", sans-serif, Arial;
    background-color: whitesmoke;
}
nav{
    background-color: white;
    width: 100%;
    height: 80px;
    font-weight: 200;
    position: fixed;
    z-index: 10;
}
.center-container{
    width: 80%;
    height: 100%;
    position: relative;
    margin-left: auto;
    margin-right: auto;
    left: 0;
    right: 0;
}
nav ul{
    margin: 0;
    padding: 0;
    float: right;
    margin-top: calc((80px - 20px) * 0.5);
}
.menu img{
    height: 60px;
    width: auto;
    float: left;
    margin-top: 10px;
}
.menu .logo-text{
    font-family: "Montserrat", "Raleway", sans-serif;
    float: left;
    font-size: 25px;
    color: #455A64;
    margin-top: 25px;
    margin-left: 30px;
}

nav ul li{
    list-style: none;
    display: inline-block;
}
nav ul li a{
    text-decoration: none;
    font-size: 20px;
    color: black;
    padding: 10px;
    transition: ease .3s;
}
nav ul li a:hover{
    background-color: #FF5252;
    color: white;
    border-top-left-radius: 18px;
    transition: ease .3s;
}
.mobile-menu{
    width: 40%;
    height: 100vh;
    position: fixed;
    right: 0;
    background-color: white;
    z-index: 15;
    box-shadow: 4px 6px 20px;
    display: none;
}
.mobile-menu i{
    position: absolute;
    top: 10px;
    right: 35px;
}
.mobile-menu ul{
    margin: 0;
    padding: 0;
    position: relative;
    top: 50%;
    transform: translateY(-50%);
    text-align: center;
}
.mobile-menu ul li{
    list-style: none;
    padding: 20px 0 20px 0;
}
.mobile-menu ul li:nth-child(1), .mobile-menu ul li:nth-child(3){
    border-top: 1px solid black;
    border-bottom: 1px solid black;
}
.mobile-menu a{
    text-decoration: none;
    color: black;
    font-size: 20px;
    padding: 20px;
}




.cover{
    width: 100%;
    height: 100vh;
    background-image: url(../images/office.jpg);
    background-attachment: fixed;
    background-size: auto;
}
.cover .text-cover{
    height: 80%;
    width: 70%;
    padding: 35px;
    font-family: "Montserrat";
    font-size: 3vw;
    color: white;
    position: relative;
    margin-left: auto;
    margin-right: auto;
    left: 0;
    right: 0;
    text-align: center;
    display: flex;
    align-items: center;
}
.button-container{
    text-align: center;
    position: relative;
    bottom: 30px;
}
.button{
    padding: 20px;
    background-color: white;
    font-family: "Montserrat";
    text-decoration: none;
    color: black;
    transition: ease .3s;
}
.button:hover{
    background-color: #FF5252;
    color: white;
    border-top-left-radius: 18px;
    transition: ease .3s;
}
.page{
    width: 100%;
    height: 100vh;
    background-color: whitesmoke;
}


.col-container{
    text-align: center;
    position: relative;
    top: 50%;
    transform: translateY(-50%);
}
.col-4{
    width: 300px;
    height: 350px;
    padding: 10px;
    text-align: center;
    display: inline-block;
    transition: ease .3s;
}
.col-4:hover{
    background-color: #FF5252;
    color: white;
    border-top-left-radius: 20px;
    transition: ease .3s;
}
.col-4 .col-icon{
    width: 100%;
    height: 45%;
    text-align: center;
}
.col-4 .col-icon i{
    margin-top: 70px;
    transform: scale(4);
}
.col-4 h2{
    text-align: center;
}


#info-text{
    background-color: #B2DFDB;
    color: #212121;
}
#info-text2{
    background-color: #00796B;
    color: white;
}
.big-p{
    width: 70%;
    text-align: center;
    font-size: 22px;
    padding: 30px;
    border-top-left-radius: 50px;
    position: relative;
    margin-left: auto;
    margin-right: auto;
    left: 0;
    right: 0;
}



#kontakt iframe{
    border-radius: 20px;
    margin: 20px;
    display: inline-block;
}
#kontakt .contact{
    display: inline-block;
    height: 450px;
    padding: 20px;
    font-size: 20px;
    text-align: left;
}
#kontakt .contact a{
    color: black;
}


footer{
    background-color: white;
    color: #757575;
    width: 100%;
    padding: 15px 0 15px 0;
    text-align: center;
}
footer a{
    color: #757575;
}
@media only screen and (min-width: 921px){
    .menu .menu-switch{
        display: none;
    }
}
@media only screen and (max-width: 920px){
    .menu ul{
        display: none;
    }
    .menu-switch{
        display: block;
        height: 60px;
        width: auto;
        font-size: 60px;
        margin-top: 10px;
        float: right;
        transition: ease .3s;
    }
    .menu-switch:hover{
        cursor: pointer;
        transform: rotateX(5deg);
        transition: ease .3s;
    }
}
@media only screen and (max-width: 800px){
    .button{
        padding: 30px;
        font-size: 25px;
    }
}
@media only screen and (max-height: 630px){
    .page{
        height: auto;
        padding: 40px 0 40px 0;
    }
    .col-container{
        transform: none;
        top: 0;
    }
    .button{
        position: relative;
        bottom: 20px;
    }
}
@media only screen and (max-width: 760px){
    #kontakt iframe{
        width: 80%;
    }
}
@media only screen and (max-height: 800px){
    #nabidka{
        height: auto;
        padding: 20px 0 20px 0;
    }
    #nabidka .col-container{
        top: 0;
        transform: none;
    }
}
@media only screen and (max-width: 1122px){
    #kontakt .contact{
        text-align: center;
    }
    .page{
        height: auto;
        padding: 40px 0 40px 0;
    }
    .col-container{
        transform: none;
        top: 0;
    }
    .cover .text-cover{
        font-size: 5vw;
    }
}
@media only screen and (max-width: 800px){
    .cover{
        background-position: center top;
    }
}
@media only screen and (max-width: 560px){
    .cover .text-cover{
        font-size: 7vw;
    }
}
@media only screen and (max-width: 400px){
    .center-container{
        width: 95%;
    }
    .menu .logo-text{
        font-size: 20px;
        margin-left: 15px;
        margin-top: 28px;
    }
    footer{
        font-size: 15px;
    }
}