:root {
    --header-height: 3rem;
    --font-semi: 600;
}

:root{
    --first-color:#1a8aec;
    --second-color:rgb(0, 0, 0);
}

:root{
    --body-font: 'Poppins', sans-serif;
    --big-font-size: 2rem;
    --h2-font-size: 1.25rem;
    --normal-font-size: 0.986rem;
}

@media screen and (min-width:768px){   
    :root{
        --big-font-size:3.5rem;
        --h2-font-size: 2rem;                      
        --normal-font-size: 1rem;
    }
}

:root{
    --mb-1:0.5rem;
    --mb-2:1rem;
    --mb-3:1.5rem;
    --mb-4:2rem;
    --mb-5:2.5rem;
    --mb-6:3rem;
}

:root{
    --z-back: -10;
    --z-normal: 1;
    --z-tooltip: 10;
    --z-fixed: 100;
}

*,::before,::after{
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body{
    margin: var(--header-height) 0 0 0;
    font-family: var( --body-font);
    font-size: var(--normal-font-size);
    color: var(--second-color);
}

h1,h2,p{
    margin: 0;
}

ul{
    margin: 0;
    padding: 0;
    list-style: none;
}

a{
    text-decoration: none;
}

img{
    max-width: 100%;
    height:auto ;
    display: block;
}

.section-title {
    position: relative;
    font-size: var(--h2-font-size);
    color: var(--first-color);
    margin-top: var(--mb-2);
    margin-bottom: var(--mb-4);
    text-align: center;
}

.section-title::after{
    position: absolute;
    
    width: 65px;
    height: 0.19rem;
    left:0;
    right:0;
    margin:auto ;
    background-color: var(--first-color);
}

.section {
    padding-top: 3rem;
    padding-bottom: 2rem;
}

.bd-grid{
    max-width: 1024px;
    display: grid;
    grid-template-columns: 100%;
    grid-column-gap: 2rem;
    width: calc(100% - 2rem);
    margin-left: var(--mb-2);
    margin-right: var(--mb-2);
}

.l-header {
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: var(--z-fixed);
    background-color:#ffffff;
    box-shadow: 0 1px 4px rgba(146, 161,176,.15);
} 

.nav{
        height:var( --header-height);
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-weight: var(--font-semi);
        font-family: nunito;
        letter-spacing: 1px;
}

@media screen and (max-width: 768px){
    .nav__menu{
        position: fixed;
        top: var(--header-height);
        right: -100%;
        width: 80%;
        height: 100%;
        padding: 2rem;
        background-color: var(--second-color);
        transition: .6s;
    }
}

.nav__item {
    margin-bottom: var(--mb-4);
}

.nav__link {
    position: relative;
    color: #fff;
}

.nav__link:hover{
    position: relative;
}

.nav__link:hover::after{
    position: absolute;
    content: "";
    width: 100%;
    height: 0.18rem;
    left: 0;
    top: 2rem;
    background-color: var(--first-color);
}

.nav__logo{
    color: var(--first-color);
    letter-spacing: 1px;
    font-family: nunito;
    font-size: 1.5rem;
}
.nav__toggle{
    color: var(--second-color);
    font-size: 1.5rem;
    cursor: pointer;
}

.active::after{
    position: absolute;
    content: "";
    width: 100%;
    height: 0.18rem;
    left: 0;
    top: 2rem;
    background-color: var(--first-color);
}

.show{
   right: 0;
}

.home{
    height: calc(100vh - 3rem);
    row-gap: 1rem;
    font-family: nunito;
}
.home__data{
    align-self: center;
}
.home__title{
    font-size: var(--big-font-size);
    margin-bottom: var(--mb-5);
    color:#fff;
}
.home__title-color{
    color: white;
}
.home__social{
    display: flex;
    flex-direction: column;
}
.home__social-icon{
    width: max-content;
    margin-bottom: var(--mb-2);
    font-size: 1.5rem;
    color: white;
}
.home__social-icon:hover{
    color: var(--first-color);
}
.home__img{
    position: absolute;
    right: 0;
    bottom: 0;
    width: 295px;
}
.button{
    display: inline-block;
    background-color: var(--first-color);
    color: #ffffff;
    padding: .80rem 2.5rem;
    font-weight: var(--font-semi);
    border-radius: .5rem;
}
.button:hover{
    box-shadow: 0 10px 36px rgba(0,0,0,.15);
}

.section-title{
    font-family: nunito;
}
.about__container{
    row-gap: 2rem;
    text-align: center;
    font-family: nunito;
}
.about__subtitle{
    margin-bottom: var(--mb-2);
}
.about__img{
    justify-self: center;
}
.about__img img {
    width: 200px;
    border-radius: .5rem;
}

.skills__container{
   row-gap: 2rem;
   text-align: center; 
   font-family: nunito;
}
.skills__subtitle{
    margin-bottom: var(--mb-2);
}
.all__{
    align-items: center;
    font-weight: 200;
    font-size: var(--normal-font-size);
}
.skills__text{
    margin-bottom: var(--mb-4);
}
.skills__data{
    display: flex;
    justify-content: space-between;
    align-items:center ;
    position: relative;
    font-weight: var(--font-semi);
    padding: .5rem 1rem;
    border-radius: .5rem;
    box-shadow: 0 4px 25px rgba( 14,36,49,.15);
    margin-bottom: var(--mb-4);
}
.skills__icon{
    font-size: 2rem;
    margin-right: var(--mb-2);
    color: var(--first-color);
}
.skills__name{
    display: flex;
    align-items: center;
}
.skills__bar{
    position: absolute;
    left: 0;
    bottom: 0;
    background-color: var(--first-color);
    height: .25rem;
    border-radius: .5rem;
    z-index: var(--z-back);
}
.skills__html{
    width: 100%;
}
.skills__video{
    width: 100%;
}
.skill__img{
    border-radius: .5rem;
}
.work{
    text-align: center;
}
.work__container{
    row-gap: 2rem;
    font-family: nunito;
}
.work__img{
    box-shadow: 0 4px 25px rgba(14,36,49,.15);
    border-radius: .5rem;
    overflow: hidden;
}

.work__img img{
    transition: 1s;
    cursor: pointer;
}
.work__img img:hover{
    transform: scale(1.1);
}
.work__text {
    margin-top: 30px;
    color: var(--first-color);
}
.work__text2{
    margin-top: 10px;
}
.contact__input{
    width: 100%;
    font-size: var(--normal-font-size);
    font-weight: var(--font-semi);
    padding: 1rem;
    border-radius: .5rem;
    border: 1.5px solid var(--second-color);
    outline: none;
    margin-bottom: var(--mb-4);
}
.contact__button{
    display: block;
    border: none;
    outline: none;
    font-size: var(--normal-font-size);
    cursor: pointer;
    margin-left: auto;
}
.download__button{
    display: block;
    border: none;
    outline: none;
    font-size: var(--normal-font-size);
    cursor: pointer;
    margin-left: auto;
}

.footer{
    background-color: var(--second-color);
    color: white;
    text-align: center;
    font-family: nunito;
    font-weight: var(--font-semi);
    padding: 2rem 0;
}
.footer__title{
    font-size: 2rem;
    margin-bottom: var(--mb-4);
}
.footer__social{
    margin-bottom: var(--mb-4);
}
.footer__icon{
    font-size: 1.5rem;
    color: white;
    margin: var(--mb-2);
}
@media screen and (min-width: 768px){
    body{
        margin: 0;
    }
    .section{
        padding-top: 4rem;
        padding-bottom: 3rem;
    }
    .section-title{
        margin-bottom: var(--mb-6);
    }
    .section-title::after{
        width: 80px;
        top:3rem;
    }
    .nav{
        height: calc(var(--header-height) + 1rem);
    }
    .nav__list{
        display:flex ;
        padding-top: 0;
    }
    .nav__link{
        color: var(--second-color);
    }
    .nav__item{
        margin-left: var(--mb-6);
        margin-bottom: 0;
    }
    .nav__toggle{
        display: none;
    }
    .home{
        height: 100vh;
    }
    .home__data{
        align-self: flex-end;
    }
    .home__social{
        padding-top: 0;
        align-self: flex-end;
        padding-bottom: 2.6rem;
        flex-direction: row;
    }
    .home__social-icon{
        margin-bottom: 0;
        margin-right: var(--mb-4);
    }
   
    .about__container, .skills__container{
        grid-template-columns: repeat(2,1fr);
        align-items: center;
        text-align: initial;
    }
    .about__img img{
        width: 310px;   
    }
    .work__container{
        grid-template-columns: repeat(3,1fr);
        grid-template-rows: repeat(2,1fr);
        column-gap: 2rem;
    }
    .contact__form{
        width: 360px;
    }
    .contact__container{
        justify-items: center;
    }
}
@media screen and (min-width: 1024px){
    .bd-grid{
        margin-left: auto;
        margin-right: auto;
    }
    .home__img{
        right: 10%;
    }
}