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

    --primary-color: #080808;
    --secondary-color: #fff;
    --tertiary-color: #ffefd3;
}
.light-mode{
    --primary-color: #fff;
    --secondary-color: #080808;
    --tertiary-color: #080808;
}
#preloader{
    background:#000 url(/about-borislav/images/Spin-1s-200px.gif) no-repeat center center;
    height: 100vh;
    width: 100%;

    position: fixed;
    z-index: 100;
}
html{
    scroll-behavior: smooth;
}
body {
    background: var( --primary-color);
    color: var( --secondary-color);
}

#header {
    width: 100%;
    height: 100vh;
    background-image: url();

    background-size: cover;
    background-position: center;
}

.container {
    padding: 10px 10%;

}

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}
#sunIcon{
    width: 32px;
    cursor: pointer;
}
#sunIcon:hover{
    color: #ffff05;
}
nav ul{
    flex: 1;
    text-align: right;
    margin-right: 20px;
}
.logo {
    width: 140px;
}

nav ul li {
    list-style: none;
    display: inline-block;
    margin: 10px 10px;
}

nav ul li a {
    color: var( --secondary-color);
    text-decoration: none;
    font-size: 20px;
    position: relative;
}

nav ul li a::after {
    content: '';
    width: 0;
    height: 3px;
    left: 0;
    position: absolute;
    background: #ff004f;
    bottom: -5px;
    transition: 0.6s;

}

nav ul li a:hover {
    color: #7c0f0f;
}

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

.info-person {
    margin-top: 20%;
    font-size: 30px;
}

.info-person p span {
    background: #193047;
    color: var(--tertiary-color);
    font-family: "Lato", "Arial", "Helvetica", sans-serif;
    ;
    border: 2px solid var(--tertiary-color);;
    border-radius: 12px;
    padding: 2px 5px;
}

.info-person h1 {
    font-size: 50px;
    margin-top: 10px;
}

.info-person h1 span {
    color: #da1616;
}

/* ----------------about Me------------------- */

.about-person {
    padding: 80px 0;
    color: var(--tertiary-color);
}

.row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.col-1-about {
    flex-basis: 35%;
}

.col-1-about img {
    width: 100%;
    border-radius: 15px;

}

.col-2-about {
    flex-basis: 60%;
}

.col-2-about h1 {
    font-size: 50px;
    font-weight: 600;
    color: var(--tertiary-color);
}

.col-2-about p {
    color: var(--tertiary-color);
}

.educations-tab {
    display: flex;
    margin: 20px 0 40px;
}

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

.educations-tab p {
    color: var(--tertiary-color);
    font-size: 22px;
}

.links::after {
    content: '';
    position: absolute;
    left: 0;
    width: 0;
    height: 3px;
    background: #ff004f;
    bottom: -6px;
    transition: 0.5s;
}

.links.active::after {
    width: 50%;
}

.education-content ul li {
    list-style: none;
    margin: 13px 0;
    font-size: 14px;
}

.education-content ul li span {
    color: #9f4040;
    font-weight: 600;
    font-size: 20px;
}

body>div.about-person>div>div>div.col-2-about>div.education-content>ul>li:nth-child(4)>span:nth-child(2) {
    color: #e8f809;
    font-size: 25px;
}

.education-content {
    display: none;
}

.education-content.active-content {
    display: block;
}

/* ------------- service-------------- */

#services {
    padding: 30px 0;

}

#services>div>h1 {
    color: var(--tertiary-color);
    font-size: 40px;
}

.services-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    grid-gap: 40px;
    margin-top: 60px;
}

.services-list div {
    background: #414040;
    font-size: 16px;
    border-radius: 15px;
    font-weight: 400;
    padding: 40px;
    transition: backgrond 0.5s, transform 0.5s;

}

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

.services-list div h2 {
    color: #0d62d0;
    font-size: 30px;
    margin-bottom: 20px;
    font-weight: 700;
}

.services-list div a {
    display: inline-block;
    font-size: 20px;
    margin-top: 20px;
    color: var(--tertiary-color);
    text-decoration: none;
    cursor: pointer;
    font-weight: 400;
}

.services-list div:hover {
    background: #ef0751;
    transform: translateY(-15px);
}

.services-list div a:hover {
    color: #193047
}

/* -------------- portfolio--------------- */
#portfolio {
    padding: 30px 0;
}

.workList {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    grid-gap: 30px;
    margin-top: 50px;

}

.work {
    border-radius: 15px;
    position: relative;
    overflow: hidden;
}

.work img {
    width: 70%;
    border-radius: 15px;
    display: block;
    transition: transform 0.5s;
    transition: border-radius 0.5s;
}

.layer-line {
    width: 70%;
    height: 0;
    position: absolute;
    background: linear-gradient(rgba(0, 0, 0, 0.7), #ff004f);
    border-radius: 10px;
    left: 0;
    bottom: 0;
    overflow: hidden;
    display: flex;
    text-align: center;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 0 40px;
    font-size: 14px;
    transition: height 0.6s;

}
 #services > div > div p {
    color: var(--tertiary-color);
}

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

.layer-line a {
    margin-top: 20px;
    font-size: 18px;
    color: #ff004f;
    text-decoration: none;
    line-height: 60px;
    background: var(--tertiary-color);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    text-align: center;
    align-items: center;
}

.work:hover img {
    transform: scale(1.1);

}

.work:hover .layer-line {
    height: 102%;
    width: 74%;
}

.btn {
    margin: 50px auto;
    text-align: center;
    display: block;
    width: fit-content;
    border-radius: 8px;
    padding: 14px 40px;
    margin-left: 37.5%;
    text-decoration: none;
    color: var(--tertiary-color );

    border: 1px solid #ff004f;
}

.btn:hover {
    background: #ff004f;
}

/*----------------CONTACT---------------------------- */
.left-side {
    flex-basis: 35%;
}

.right-side {
    flex-basis: 60%;
}

.left-side p {
    margin-top: 20px;
    margin-bottom: 15px;
}

.left-side p i {
    font-size: 25px;
    margin-right: 15px;
}
#contact > div.container > div > div.left-side > p:nth-child(3) > a{
    color: var( --secondary-color);
    text-decoration: none;

}
#contact > div.container > div > div.left-side > p:nth-child(3) > a:hover{
    background: linear-gradient(179deg, #42cae2, #165798);
    border-radius: 6px;
    padding: 2px 10px;
}
#contact > div.container > div > div.left-side > p:nth-child(3){
    transition: transform 1s;
}
#contact > div.container > div > div.left-side > p:nth-child(3):hover {

     transform: translateY(-5px);
}
#contact > div.container > div > div.left-side > p:nth-child(2) > a{

    color: var( --secondary-color);
    text-decoration: none;
}
#contact > div.container > div > div.left-side > p:nth-child(2) > a:hover{
    background: linear-gradient(179deg, #42cae2, #165798);
    border-radius: 6px;
    padding: 2px 10px;
}
#contact > div.container > div > div.left-side > p:nth-child(2){
    transition: transform 1s;
}
#contact > div.container > div > div.left-side > p:nth-child(2):hover{
    transform: translateY(-5px);
}

.social-icons {
    margin-top: 50px;
}

.social-icons a {
    font-size: 40px;
    margin-right: 10px;
    text-decoration: none;
    display: inline-block;
    transition: transform 0.5s;
}

.social-icons a:hover {
    color: crimson;
    transform: translateY(-5px);
}

.btn.btn2 {
    display: inline-block;
    background: linear-gradient(179deg, #42cae2, #165798);

    margin-left: 0.5%;
    border: 1px solid #165798;
    border-radius: 15px;
    padding: 10px 31px;
    transition: transform 0.5s;
}

.btn.btn2:hover {
    transform: translateY(-5px);
}

.right-side form {
    width: 100%;
}

form input,
form textarea {
    border: 0;
    width: 100%;
    outline: none;
    background: #414040;
    margin: 15px 0;
    padding: 15px;
    font-size: 15px;
    color: var(--tertiary-color);
    border-radius: 10px;
}

form .btn.btn2 {
    padding: 15px 60px;
    margin-top: 20px;
    cursor: pointer;
    font-size: 15px;
}

.copyright {
    width: 100%;
    margin-top: 30px;
    padding: 20px 0;
    background: #414040;
    text-align: center;
    text-shadow: 10px 20px 40px #d41010;

}

.copyright a {
    text-decoration: none;
    color: var( --secondary-color);

}

.copyright a:hover {
    color: #ff004f;

}

/* ======== mobile version========== */
nav ul .fa-regular {
    display: none;
}

nav .fa-solid {
    display: none;
}

@media only screen and (max-width: 600px) {
    #header {
        background-image: url();
    }

    .info-person {
        margin-top: 70%;
        font-size: 16px;
    }

    .info-person h1 {
        font-size: 30px;
    }

    nav ul .fa-regular {
        display: block;
        font-size: 25px;
    }

    nav .fa-solid {
        display: block;
        font-size: 30px;
    }

    nav ul{
        background: #165798;
        position: fixed;
        top: 0;
        border:1px solid var(--primary-color);
        border-top-left-radius: 20px;
        border-bottom-left-radius: 20px;
        right: -220px;
        width: 220px;
        height: 100vh;
        padding-top: 40px;
        z-index: 2;
        transition: right 1s;
    }
    nav ul li {
        display: block;
        margin: 25px;
    }
    nav ul .fa-regular {
        position: absolute;
        top: 25px;
        left: 25px;
        cursor: pointer;
        border-radius: 50%;
        padding: 5px;
    }
#about h1{
    font-size: 40px;
}
.col-1-about, .col-2-about{
    flex-basis: 100%;
}
.col-1-about{
    margin-bottom: 30px;
}
.col-2-about{
    font-size: 14px;
}
.links{
margin-right: 18px;

}
.educations-tab p {
    color: var(--tertiary-color);
    font-size: 18px;
}
.copyright{
    font-size: 14px;
flex-basis: 100%;
}
#portfolio > div > a {
 margin-left:20%;

}
.btn {
    margin-left: 20%;
}
.right-side form {
    width: 160%;
}
#contact > div.copyright > p{
    font-size: 12px;
}
}