*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html,body{
    width: 100%;
    height: 100%;
}
.header{
    width: 100%;
    height: 100%;
    background-image:linear-gradient(rgba(0,0,0,0.7),rgba(0,0,0,0.7)),url(images/1main.png) ;
    background-size: cover;
    background-position: center;
    padding-top: 10px;
    padding-bottom: 10px;
    padding-left: 8% ;
    padding-right: 8%;
    position: relative;
}
nav{
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 10px;
    padding-bottom: 10px;
    padding-left: 0;
    padding-right: 0;
}
.logo{
    width:150px;
    cursor: pointer;
}
nav button{
    border: 0;
    background-color: rgb(231, 45, 45);
    color: white;
    padding-top: 7px;
    padding-bottom: 7px;
    padding-left: 20px;
    padding-right: 20px;
    border-radius: 5px;
    cursor: pointer;
    margin-left: 10px;
}
.language-btn{
    display: inline-flex;
    align-items: center;
    background: transparent;
    border: 1px solid white;
    padding-top: 7px;
    padding-bottom: 7px;
    padding-left: 10px;
    padding-right: 10px;
}
.header-content{
    color: white;
    position: absolute;
    top: 200px;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    margin-top: 100px;
}
.header-content h1{
    font-size: 50px;
    line-height: 70px;
    font-weight: 600;
    max-width: 650px;
}
.header-content h3{
    font-weight: 400;
    margin-bottom: 20px;
}
.email-signup{
    background: white;
    border-radius: 5px;
    display: flex;  
    align-items: center;
    margin-top: 30px;
    overflow: hidden;
}
.email-signup input{
    flex: 1;
    border: 0;
    outline: 0;
    margin-left: 20px;
}
.email-signup button{
    background: rgb(215, 6, 6);
    border: 0;
    outline: 0;
    color: white;
    font-size: 16px;
    cursor: pointer;
    padding: 10px 20px;
}

/* ---------------------features-------------------- */
.features{
    background-color: black;
    color: white;
    padding: 50px 12%;
    font-size: 22px;
}
.row{
    display: flex;
    width: 100%;
    align-items: center;
    flex-wrap: wrap;
    padding: 50px 0;
    margin-top: -40px;
}
.text-col{
    flex-basis: 50%;
    margin-bottom: 20px;
}
.img-col{
    flex-basis: 50%;
    margin-bottom: 20px;
}
.img-col img{
    display: block;
    width: 90%;
    margin: auto;
}
.features h2{
    font-size: 50px;
    font-weight: 600;
    margin-bottom: 20px;
}

 /* --------------------footer------------------------ */
.footer {
    background-color: black;
    color: rgb(137, 137, 137);
    padding: 5opx 15% 10px;
    border-top: 6px solid rgb(3, 3, 3);
    padding: 40px;
} 
.footer h2{
    font-size: 18px;
    font-weight: 400;
    margin-bottom: 30px;
} 
.footer .col{
    flex-basis: 25%;
    flex-grow: 1;
    margin-bottom: 20px;

} 
.footer .col a{
    display: block;
    text-decoration: none;
    color: gray;
    font-size: 14px;
    margin-bottom: 10px;
}
.feature .row{
    align-items: flex-start;
    padding: 10px 0;
}
@media(max-width: 600px){
    .logo{
        width: 100px;
    }
    nav button{
        padding: 5px 10px;
    }
    nav .language-btn{
        padding: 4px 8px;
    }
    .header-content{
        position: unset;
        transform: none;
        padding-top: 150px;
    }
    .header-content h1{
        font-size: 30px;
    }
    .email-signup button{
        font-size: 12px;
        padding: 10px 15px;
    }
    .text-col, .img-col{
        flex-basis: 100%;
    }
    .features h2{
        font-size: 30px;
    }
    .features p{
        font-size: 15px;
    }
    .row:nth-child(2), .row:nth-child(4){
        flex-direction: column-reverse;
    }
    .features .row{
        padding: 10px 0;
    }
    
}