*{
    margin: 0;
    padding: 0;
    font-family: "montserrat";
}

body{
   min-height: 100vh;
   margin: 0 auto;
}

.header{
    position: sticky;
    top: 0;
    bottom: 2rem;
}

/* navigation */

nav{
    padding: 1% 2%;
    background-color: #fff;
    border-bottom: 1px solid #000;
}

nav ul{
    width: 100%;
    list-style-type: none;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

nav li{
    height: 50px;
}

nav .nav-a{
    height: 100%;
    padding: 0 20px;
    text-decoration: none;
    display: flex;
    align-items: center;
    color: #000;
    font-size: 16px;
    font-family: "montserrat";
    font-weight: 500;
    border-radius: 5px;
}

nav, .instagram{
    font-size: 23px;
}

nav li:first-child{
    margin-right: auto;
}

.nav-a:hover{
    color: #fff;
    background-color: #000;
    transition: 0.4s;
    border-radius: 5px;
}

/* sidebar */

.sidebar{
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: 200px;
    z-index: 999;
    background-color: rgba(41, 2, 2, 0.1);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    transition: transform(300ms ease-in);
}

.sidebar li{
    width: 100%;
}

.sidebar .nav-a{
    width: 100%;
    display: flex;
    text-align: center;
}

@media(max-width: 700px){
    .mobile-hide{
        display: none;
    }
}

@media(min-width: 700px){
    .big-screen-hide{
        display: none;
    }
}

/* text-img section */

.about{
    display: flex;
    flex-direction: row;
    margin: 2rem 0;
}

.about-img-container{
    display: flex;
    justify-content: flex-start;
    width: 40%;
}

.about-img{
    margin: 0 auto;
    width: 90%;
    object-fit: cover;
    background-attachment: fixed;
}

.about-information{
    background: rgb(201, 201, 194);
    width: 55%;
    display: inline-block;
    font-family: "montserrat";
    text-align: left;
    color: #000;
    padding-top: 2rem;
    margin: 0 auto;
    border-radius: 10px;
}

.about-h1{
    text-align: center;
}


.span-h1{
    display: inline-block;
    font-size: 2.2rem;
    font-family: "montserrat";
    font-weight: 600;
    text-align: center;
    color: #fff;
    background-color: #000;
    padding: 0 0.5rem;
    margin-left: 1rem;
}

.about-p{
    font-size: 1.3rem;
    padding: 0 4rem;
}

.about-p br{
    margin: 2rem 0;
}

/* footer */
.footer{
    display: grid;
    background-color: #000;
    grid-template-columns: 1fr 1fr 1fr;
    padding: 3rem 0;
    
}

.telefon, .mail, .socialy{
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    
}

.footer-a{
    color: white;
    text-decoration: none;
    font-size: 16px;
}

.fa-instagram, .fa-facebook{
    font-size: 23px;
    margin: 0.2rem;
}

@media(max-width: 700px){

    .about{
        display: flex;
        flex-direction: column;
    }

    .about-img-container{
        width: 90%;
        display: flex;
        margin: 0 auto 2rem;
    }

    .about-information{
        background: lightgoldenrodyellow;
        width: 90%;
        margin: 0 auto;
        padding: 2rem 0;
        border-radius: 10px;
    }

    .about-p{
        font-size: 1.4rem;
        padding: 0 2rem;
    }

    .about-p br{
        margin: 1rem 0;
    }


    .footer{
        display: flex;
        flex-direction: column;
        justify-content: center;
        padding: 2rem
    }

    .telefon, .mail, .socialy{
        margin-bottom: 10px;
    }
}