*{
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
    box-sizing: border-box;
}

body{
    background-color: #080808;
    color: whitesmoke;
}

html{
    scroll-behavior: smooth;
}

/*---------------------- NAVBAR -----------------------------------------------*/
#header{
    width: 100%;
    height: 100vh; /* % Vertical Height */
    background-image: url(images/Greyscalewall.png);
    background-size: cover;
    background-position: center;
}

.container{
    padding: 10px 10%; /*10px top⊥ 10% left&right*/
}

nav{
    display: flex; /*allows for side-by-side display*/
    align-items: center;
    justify-content: space-between;
    /*The flex-wrap CSS property sets whether flex items are forced onto one line or can wrap onto 
    multiple lines. If wrapping is allowed, it sets the direction that lines are stacked.*/
    flex-wrap: wrap;
}

.logo{
    width: 100px; /*140 causes clipping?*/
}

nav ul li{
    display: inline-block; /*horizontally*/
    list-style: none; /*no list-item marker such as bullets*/
    margin: 10px 20px; /*up&down L&R*/

}

nav ul li a{
    color: whitesmoke;
    text-decoration: none; /*no underline*/
    font-size: 18px;
    position: relative;
}

nav ul li a::after{
    content: '';
    width: 0;
    height: 3px;
    background: hsl(185, 86%, 46%);
    position: absolute;
    left: 0;
    bottom: -6px;
    transition: 0.5s;
}

nav ul li a:hover::after{
    width: 100%;
}

/*-------------------TITLE SCREEN-------------------*/
.header_text{
    margin-top: 20%;
    font-size: 30px;
}

.header_text h1{
    font-size: 60px;
    margin-top: 20px;
}

.header_text h1 span{
    color: hsl(185, 86%, 46%);
}

/*--------------------------------ABOUT SECTION------------------------------*/
#about{
    padding: 95px 0;
    color: whitesmoke;

    /*padding-top: 200px; visit later*/

}

.row{
    display: flex; /*side-by-side*/
    justify-content: space-between;
    flex-wrap: wrap;
}

.about_image{
    flex-basis: 35%; /*column width 35%*/
}

.about_image img{
    width: 100%;
    border-radius: 15px; /*image corners rounded*/
}

.about_text{
    flex-basis: 60%; /*column width 60%*/
}

.sub_title{
    font-size: 60px;
    font-weight: 600;
    color: hsl(185, 86%, 46%)
}

.tab_titles{
    display: flex;
    margin: 10px 0 40px; /*top, L&R, bottom*/
}

.tab_links{
    margin-right: 50px;
    font-size: 18px;
    font-weight: 500;
    cursor: pointer;
    position: relative;
}

.tab_links::after{
    content: '';
    width: 0;
    height: 3px;
    background: hsl(185, 86%, 46%);
    position: absolute;
    left: 0;
    bottom: -8px;
    transition: 0.5s;
}

.tab_links.active_link::after{
    width: 50%;
}

.tab_contents ul li{
    list-style: none;
    margin: 10px 0;
}

.tab_contents ul li span{
    color: hsl(185, 86%, 46%);
    font-size: 14px;
}

.tab_contents{
    display: none;
}

.tab_contents.active_tab{
    display: block;
}

/*------------MY VALUEABLE SKILLSET---------------*/
#services{
    padding: 30px 0;
}

.services_list{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); /*1 fraction*/
    grid-gap: 40px;
    margin-top: 50px;

}
.services_list div{
    background-color: hsl(0, 0%, 10%);
    padding: 40px;
    font-size: 13px;
    font-weight: 300;
    border-radius: 25px;
    transition: background 0.5s, transform 0.3s;
}

.services_list div i{
    font-size: 50px;
    margin-bottom: 30px;
}

.services_list h2{
    font-size: 30px;
    font-weight: 500;
    margin-bottom: 15px;
}

.services_list div a{
    text-decoration: none;
    color: hsl(0, 0%, 100%);
    font-size: 12px;
    margin-top: 20px;
    display: inline-block;
}

.services_list div:hover{
    background: hsl(185, 100%, 22%);
    transform: translateY(-10px);
}

/*----------My PROJECTS & PORTFOLIO---------*/
#portfolio{
    padding: 50px 0;
}

.project_list{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    grid-gap: 40px;
    margin-top: 50px;
}

.project{
    border-radius: 10px;
    position: relative;
    overflow: hidden;
    /*border: 3px solid white;*/
}

.project img{
    width: 100%;
    border-radius: 25px;
    display: block;
    transition: transform 0.5s; /*for animation*/
}
.githubgriddesc{
    padding: 25px;
}

.layer{
    width: 100%;
    height: 0%;
    background: linear-gradient(rgba(0, 0, 0, 0.5), hsl(185, 86%, 46%)); /*colour gradient*/
    border-radius: 25px;
    position: absolute;
    left: 0;
    bottom: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 0 40px;
    text-align: center;
    font-size: 14px;
    transition: height 0.5s; /*animation*/
}

.layer h3{
    font-weight: 500;
    margin-bottom: 20px;
}

.layer a{
    margin-top: 20px;
    color: whitesmoke;
    text-decoration: none;
    font-size: 18px;
    line-height: 60px;
    background: black;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    text-align: center;
}

.project:hover img{
    transform: scale(1.1);
}

.project:hover .layer{
    height: 100%;
}

.btn{
    display: block;
    margin: 50px auto;
    width: fit-content;
    border: 1px solid hsl(185, 86%, 46%);
    padding: 14px 50px;
    border-radius: 6px;
    text-decoration: none;
    color: hsl(185, 86%, 46%);
    transition: background 0.5s;
}

.btn:hover{
    background: hsl(185, 86%, 46%);
    color: black;
}

/*----------CONTACT ME-----------*/
.contact_left{
    flex-basis: 35%;
}
.contact_right{
    flex-basis: 60%;
}
.contact_left p{
    margin-top: 30px;
}
.contact_left p i{
    color: whitesmoke;
    margin-right: 15px;
    font-size: 25px;
}

.social_icons{
    margin-top: 30px;
}
.social_icons a{
    text-decoration: none;
    font-size: 30px;
    margin-right: 15px;
    color: whitesmoke;
    display: inline-block;
    transition: transform 0.5s;
}
.social_icons a:hover{
    color: hsl(185, 86%, 46%);
    transform: translateY(-5px);
}
.btn2.btn2{
    display: inline-block;
    background: hsl(185, 86%, 46%);
    color: black;
}

.contact_right form{
    width: 100%;
}
form input, form textarea{
    width: 100%;
    border: 0;
    outline: none;
    background: hsl(0, 0%, 10%);
    padding: 15px;
    margin: 15px 0;
    color: whitesmoke;
    font-size: 18px;
    border-radius: 6px;
}

form .btn2{
    padding: 14px 60px;
    font-size: 18px;
    margin-top: 20px;
    cursor: pointer;
}

.copyright{
    width: 100%;
    text-align: center;
    padding: 10px 0;
    background: hsl(0, 0%, 10%);
    font-weight: 300;
    margin-top: 20px;
}
.copyright i{
    color: hsl(185, 86%, 46%);
}

/*------CSS FOR SMALL SCREEN------*/
nav .fa-solid{
    display: none;
}

@media only screen and (max-width: 600px){
    #header{
        background-image: url(images/Greyscalewall.png);
    }
    .header_text{
        margin-top: 100%;
        font-size: 16px;
    }
    .header_text h1{
        font-size: 30px;
    }
    nav .fa-solid{
        display: block;
        font-size: 25px;
    }
    nav ul{
        background: hsl(185, 86%, 7%);
        position: fixed;
        top: 0;
        right: -200px;
        width: 200px;
        height: 100vh;
        padding-top: 50px;
        z-index: 2; /*JAVASCRIPT*/
        transition:  right 0.5s;
    }
    nav ul li{
        display: block;
        margin: 25px;
    }
    nav ul .fa-solid{
        position: absolute;
        top: 25px;
        left: 25px;
        cursor: pointer;
    }
    .sub_title{
        font-size: 40px;
    }
    .about_image, .about_text{
        flex-basis: 100%;
    }
    .about_image{
        margin-bottom: 30px;
    }
    .about_text{
        font-size: 14px;
    }
    .tab_links{
        font-size: 16px;
        margin-right: 20px;
    }
    .contact_left, .contact_right{
        flex-basis: 100%;
    }
    .copyright{
        font-size: 14px;
    }
}

#msg{
    color: hsl(185, 86%, 46%);
    margin-top: -40px;
    display: block;
}