@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
    outline: none;
    scroll-behavior: smooth;
    font-family: 'Poppins', sans-serif;
}

:root {
    --bg-color: black; /* Основний фон — чорний */
    --second-bg-color: #1c1c1c; /* Темно-сірий для розділених секцій */
    --text-color:#f5f5f5 ; /* Світло-сірий для тексту */
    --main-color: #ff0000; /* Яскраво-червоний для акцентів, кнопок */
}

html{
    font-size: 62.5%;
    overflow-x: hidden;
}

body{
    background-color: var(--bg-color);
    color: var(--text-color);
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2rem 9%;
    background: transparent;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    transition: .3s;

}

.header.sticky{
    background: var(--second-bg-color);
}

.logo{
    position: relative;
    font-size: 2.5rem;
    color: var(--text-color);
    font-weight: 600;
}

.navbar{
    position: relative;
}

.navbar a{
    font-size: 1.7rem;
    color: var(--text-color);
    font-weight: 500;
    margin-left: 3.5rem;
    transition: .3s;

}

.navbar a:hover,
.navbar a.active{
    color: var(--main-color) ; /*var(--main-color)*/
}

#menu-icon{
    position: relative;
    font-size: 3.6rem;
    cursor : pointer;
    display: none;
}

section{
    min-height: 100vh;
    padding: 10rem 9% 2rem;
}

.home{
    display: flex;
    align-items: center;
    padding: 0 9%;
    background: url("https://nazarhumen.github.io/nh/images/home11.jpg") no-repeat;
    background-size: cover;
    background-position: center;

}

.home-content{
    max-width: 60rem;
    z-index: 99;
}

.home-content h1{
    position: relative;
    display: inline-block;
    font-size: 5.2rem;
    font-weight: 700;
    line-height: 1.3;
    /*Hi,I`m*/


}

.home-content h1 span {
    color: var(--text-color); /*Humen white*/
}

.home-content .text-animate{
    position: relative;
    width: 32.8rem;

}

.home-content .text-animate h3{
    font-size: 3.2rem;
    font-weight: 700;
    color: transparent;
    -webkit-text-stroke: .7px var(--main-color);
    background-image: linear-gradient(var(--main-color),var(--main-color));
    background-repeat: no-repeat;
    -webkit-background-clip: text;
    background-position: -33rem 0;

}

.home.show-animate .home-content .text-animate h3{
   animation: homeBgText 6s linear infinite;
    animation-delay: 2s;
}


.home-content .text-animate h3::before{
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    border-right: 2px solid var(--main-color);
    z-index: -1;

}

.home.show-animate .home-content .text-animate h3::before{
    animation: homeCursorText 6s linear infinite;
    animation-delay: 2s;
}




.home-content p{
    position: relative;
    font-size: 1.6rem;
    margin: 2rem 0 4rem;
    color: var(--text-color);/*text*/



}

.btn-box{
    position: relative;
    display: flex;
    justify-content: space-between;
    width: 34.5rem;
    height: 5rem;



}
.btn-box .btn{
    position: relative;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 15rem;
    height: 100%;
    background: var(--main-color);
    border: .2rem solid var(--main-color);
    border-radius: .8rem;
    font-size: 1.8rem;
    font-weight: 600;
    letter-spacing: .1rem;
    color: var(--bg-color);
    z-index: 1;
    overflow: hidden;
    transition: .5s;


}
.btn-box .btn:hover{
    color: var(--main-color);
}

.btn-box .btn:nth-child(2){
    background: transparent;
    color: var(--text-color);
}

.btn-box .btn:nth-child(2):hover{
    color: var(--bg-color);
}

.btn-box .btn:nth-child(2)::before{
    background: var(--main-color);
}


.btn-box .btn::before{
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--bg-color);
    z-index: -1;
    transition: .5s;
}

.btn-box .btn:hover::before{
    width: 100%;

}

.home-sci{
    position: absolute;
    bottom: 4rem;
    width: 170px;
    display: flex;
    justify-content: space-between;
}

.home-sci a{
    position: relative;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: .2rem solid var(--main-color);
    border-radius: 50%;
    font-size: 20px;
    color: var(--main-color);
    z-index: 1;
    overflow: hidden;
    transition: .5s;

}

.home-sci a:hover{
    color: var(--bg-color);
}

.home-sci a::before{
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--main-color);
    z-index: -1;
    transition: .5s;
}

.home-sci a:hover::before{
    width: 100%;

}



/*about design*/

.about{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 2rem;
    background: var(--second-bg-color);
    padding-bottom: 6rem;
}

.heading{
    position: relative;
    font-size: 5rem;
    margin-bottom: 3rem;
    text-align: center;
}

span{
    color: var(--main-color);
}

.about-img{
    position: relative;
    width: 27rem;
    height: 27rem;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    box-sizing: border-box;

}

.about-img img{
    width: 90%;
    height: 90%;
    object-fit: cover;
    border-radius: 50%;
    border: .2rem solid var(--main-color);
}

.about-img .circle-spin{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(0);
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border-top: .2rem solid var(--second-bg-color);
    border-bottom: .2rem solid var(--second-bg-color);
    border-left: .2rem solid var(--main-color);
    border-right: .2rem solid var(--main-color);
    animation: aboutSpinner 8s linear infinite;

}

.about-content{
    text-align: center;
}
.about-content h3{
    position: relative;
    display: inline-block;
    font-size: 2.6rem;
}

.about-content p{
    position: relative;
    font-size: 1.6rem;
    margin: 2rem 0 3rem;
}

.btn-box.btns {
    display: inline-block;
    width: 15rem;
}

.btn-box.btns a::before{
    background: var(--second-bg-color); /*bg*/
}

/*education design*/
.education{
    background: #8e8e8e;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    min-height: auto;
    padding-bottom: 5rem;
}

.education .education-row{
    display: flex;
    flex-wrap: wrap;
    gap: 5rem;
}

.education-row .education-column{
    flex: 1 1 40rem;
}

.education-column .title{
    position: relative;
    display: inline-block;
    font-size: 3rem;
    margin: 0 0 1.5rem 2rem;

}

.education-column .education-box{
    position: relative;
    border-left: .2rem solid var(--bg-color);/*bg*/
}


.education-box .education-content{
    position: relative;
    padding-left: 2rem;
}

.education-box .education-content::before{
    content: '';
    position: absolute;
    top: 0;
    left: -1.1rem;
    width: 2rem;
    height: 2rem;
    background: var(--bg-color); /*main*/
    border-radius: 50%;
}

.education-content .content{
    position: relative;
    padding: 1rem;
    border: .2rem solid var(--main-color);
    border-radius: .6rem;
    margin-bottom: 2rem;
    overflow: hidden;
    z-index: 2;
    background-color: var(--main-color);

}

.education-content .content::before{
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--main-color);
    z-index: 1;
    transition: .5s;
}

.education-content .content:hover::before{
    width: 100%;
    background: #000;
    transition: width .5s;


}

.education-content .content .year{
    font-size: 1.7rem;
    color: var(--bg-color); /*main*/
    padding-bottom: .5rem;
    z-index: 3;
    position: relative;
}

.education-content .content .year i{
    padding-right: .5rem;


}

.education-content .content h3{
    font-size: 2rem;
    z-index: 3;
    position: relative;

}

.education-content .content p{
    font-size: 1.6rem;
    padding-top: .5rem;
    z-index: 3;
    position: relative;

}

.education-content .content:hover .year,
.education-content .content:hover h3,
.education-content .content:hover p {
    color: #fff; /* Зміна кольору тексту на білий при наведенні */
}

/*skills design*/
.skills{
    background: var(--second-bg-color);
    min-height: auto;
    padding-bottom: 7rem;
}

.skills h2{
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}


.skills .skills-row{
    display: flex;
    flex-wrap: wrap;
    gap: 5rem;
}

.skills-row .skills-column{
    flex: 1 1 40rem;


}

.skills-column .title{
    position: relative;
    display: inline-block;
    font-size: 2.5rem;
    margin: 0 0 1.5rem;
    /*color: var(--main-color);*/

}

.skills-column .skills-box{
    position: relative;
}



.skills-box .skills-content{
    position: relative;
    border: .2rem solid var(--main-color);
    border-radius: .6rem;
    padding: .5rem 1.5rem;
    z-index: 1;
    overflow: hidden;
    /*transition: background .5s, color .5s, border-color .5s;*/

}

.skills-box .skills-content::before{
    content: '';
    position: absolute;
    top: 0;
    left:0;
    width: 0;
    height: 100%;
    background: var(--bg-color); /*Анімація*/
    z-index: -1;
    transition:  .5s;

}

.skills-box .skills-content:hover::before{
    width: 100%;
}

.skills-content .progress{
    padding: 1rem 0;
}

.skills-content .progress h3{
    font-size: 1.7rem;
    display: flex;
    justify-content: space-between;
}

.skills-content .progress h3 span{
    color: var(--text-color);
}

.skills-content .progress .bar{
    height: 2.5rem;
    border-radius: .6rem;
    border: .2rem solid var(--main-color);
    padding: .5rem;
    margin: 1rem 0;
}

.skills-content .progress .bar span{
    display: block;
    height: 100%;
    border-radius: .3rem;
    background: var(--main-color);
}

.skills-column:nth-child(1) .skills-content .progress:nth-child(1) .bar span{
    width: 90%;
}

.skills-column:nth-child(1) .skills-content .progress:nth-child(2) .bar span{
    width: 80%;
}

.skills-column:nth-child(1) .skills-content .progress:nth-child(3) .bar span{
    width: 70%;
}

.skills-column:nth-child(1) .skills-content .progress:nth-child(4) .bar span{
    width: 60%;
}

.skills-column:nth-child(2) .skills-content .progress:nth-child(1) .bar span{
    width: 70%;
}

.skills-column:nth-child(2) .skills-content .progress:nth-child(2) .bar span{
    width: 50%;
}

.skills-column:nth-child(2) .skills-content .progress:nth-child(3) .bar span{
    width: 60%;
}

.skills-column:nth-child(2) .skills-content .progress:nth-child(4) .bar span{
    width: 40%;
}

/*contact design*/
.contact {
    background: #8e8e8e;
    min-height: auto;
    padding-bottom: 7rem;
}

.contact.h2{
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.contact form {
    max-width: 70rem;
    margin: 0 auto;
    text-align: center;
}

.contact form .input-box {
    position: relative;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.contact form .input-box .input-field {
    position: relative;
    width: 49%;
    margin: .8rem 0;
}

.contact form .input-box .input-field input,
.contact form .textarea-field textarea {
    width: 100%;
    height: 100%;
    padding: 1.5rem;
    font-size: 1.6rem;
    color: var(--text-color);
    background: transparent;
    border-radius: .6rem;
    border: .2rem solid var(--main-color);
    position: relative;
    z-index: 2;

}

.contact form .input-box .input-field input::placeholder,
.contact form .textarea-field textarea::placeholder {
    color: var(--text-color);
    font-weight: bold;
    /*transition: color .5s;*/
}

.contact form .focus{
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--second-bg-color);
    border-radius: .6rem;
    z-index: 1;
    transition: width .5s;
}

.contact form .input-box .input-field input:focus~.focus,
.contact form .input-box .input-field input:valid~.focus,
.contact form .textarea-field textarea:focus~.focus,
.contact form .textarea-field textarea:valid~.focus {
    width: 100%;

}


.contact form .textarea-field{
    position: relative;
    margin: .8rem 0 2.7rem;
    display: flex;
}

.contact form .textarea-field textarea{
    resize: none;
}

.contact form .btn-box.btns .btn{
    cursor: pointer;
}


#error-message {
    color: red; /* Встановлює колір тексту червоним */
    display: none; /* Спочатку приховано */
    margin-top: 1rem; /* Відступ зверху */
    font-size: 1.4rem; /* Розмір шрифту */
    font-weight: bold; /* Жирний шрифт */
    text-align: center; /* Центрує текст */
}

/*foooter design*/
.footer{
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    padding: 2rem 9%;
    background: var(--second-bg-color);
}

.footer-text,
.footer-iconTop{
    position: relative;
}

.footer-text{
    font-size: 1.6rem;
}

.footer-iconTop a{
    position: relative;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: .8rem;
    background: var(--main-color);
    border: .2rem solid var(--main-color);
    border-radius: .6rem;
    z-index: 1;
    overflow: hidden;

}

.footer-iconTop a:before{
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--bg-color);
    z-index: -1;
    transition: .5s;
}

.footer-iconTop a:hover::before{
     width: 100%;

}

.footer-iconTop a i{
    font-size: 2.4rem;
    color: var(--bg-color);
    transition: .5s;

}

.footer-iconTop a:hover i{
    color: var(--main-color);
}



/*ANIMATION RELOAD AND SCROLL*/

.animate{
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: #8e8e8e;
    z-index: 98;
}

.animate.home-img{
    width: 50%;
}

.logo .animate,
.navbar .animate,
#menu-icon .animate,
.home.show-animate .animate{
    animation: showRight 1s ease forwards;
    animation-delay: calc(.3s * var(--i));
}
.animate.scroll{
    transition: 1s ease;
    transition-delay: calc(.3s / var(--i));
    animation: none;
}

section:nth-child(odd) .animate.scroll,
.footer .animate.scroll{
    background: var(--second-bg-color);
}

.education .education-box .animate.scroll{
    width: 105%;

}


.about.show-animate .animate.scroll,
.education.show-animate .animate.scroll,
.skills.show-animate .animate.scroll,
.contact.show-animate .animate.scroll,
.footer.show-animate .animate.scroll{
    transition-delay: calc(.3s * var(--i));
    width: 0;
}


/*BREAKPOINTS*/
@media (max-width: 1300px) {
    .home{
        background-position: +83% center;
        transition: background-position 0.5s ease;
    }

}

@media (max-width: 1024px) {
    .home{
        background-position: +70% center;
        transition: background-position 0.5s ease;
    }

}
@media (max-width: 2560px) {
    html{
        font-size: 85%;
    }

}
@media (max-width: 1440px) {
    html{
        font-size: 55%;
    }


}

@media (max-width: 1200px) {
    html{
        font-size: 55%;
    }

}

@media (max-width: 991px){
    .header{
        padding: 2rem 4%;
    }

    section{
        padding: 10rem 4% 2rem;
    }

    .home{
        padding: 0 4%;
    }

    .footer {
        padding: 2rem 4%;
    }



}

/*@media(max-width: 851px){*/
/*    .animate.home-img{*/
/*        width: 55%;*/
/*    }*/
/*}*/


@media (max-width: 768px){
    .home{
        background-position: +83% center;
    }

    .header{
        background: var(--second-bg-color);
    }

    #menu-icon{
        display: block;
    }

    .navbar{
        position: absolute;
        top: 100%;
        left: -100%;
        width: 100%;
        padding: 1rem 4%;
        background: var(--main-color);
        box-shadow: 0 .1rem 1rem  var(--second-bg-color);
        z-index: 1;
        transition: .25s ease;
        transition-delay: .25s;
    }
    .navbar.active{
        left: 0;
        transition-delay: 0s;

    }

    .navbar .active-nav{
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: var(--bg-color);
        border-top: .1rem solid rgba(0,0,0, .2);
        z-index: -1;
        transition: .25s ease;
        transition-delay: 0s;
    }

    .navbar.active .active-nav{
        left: 0;
        transition-delay: .25s;
    }

    .navbar a{
        display: block;
        font-size: 2rem;
        margin: 3rem 0;
        transform: translateX(-20rem);
        transition: .25s ease;
        transition-delay: 0s;

    }

    .navbar.active a{
        transform:translateX(0);
        transition-delay: .25s;

    }
    .home-imgHover{
        pointer-events: none;
        background: #c1c1c1;
        opacity: .6;
    }

}

@media (max-width: 520px){
    html{
        font-size: 50%;
    }

    .home-content h1{
        display: flex;
        flex-direction: column;

    }

    .home-sci{
        width: 160px;
    }

    .home-sci a{
        width: 38px;
        height: 38px;
    }

}

@media (max-width: 462px){
    .home-content h1{
        font-size: 5.2rem;
    }

    .education{
        padding: 10rem 4% 5rem 5%;
    }

    .contact form .input-box .input-field{
        width: 100%;
    }

    .footer{

        flex-direction: column-reverse;
    }

    .footer p{
        margin-top: 2rem;
        text-align: center;
    }
}
@media (max-width: 430px){
    .home{
        justify-content: center;

    }

    .home-content{
        display: flex;
        align-items: center;
        flex-direction: column;
        text-align: center;
    }

    .home-content h1{
        font-size: 5rem;
    }
}

@media (max-width: 425px){
    .home{
        justify-content: center;
        background-position: +83% center;

    }

    .home-content{
        display: flex;
        align-items: center;
        flex-direction: column;
        text-align: center;
    }

    .home-content h1{
        font-size: 5rem;
    }
}

@media (max-width: 375px){

    .home{
        justify-content: center;
        background-position: +83% center;
        transition: background-position 0.5s ease;

    }

    .home-content{
        display: flex;
        align-items: center;
        flex-direction: column;
        text-align: center;
    }

    .home-content h1{
        font-size: 5rem;
    }
}

@media (max-width: 320px){
    .home{
        justify-content: center;
        background-position: 10% center;

    }

    .home-content{
        display: flex;
        align-items: center;
        flex-direction: column;
        text-align: center;
    }

    .home-content h1{
        font-size: 5rem;
    }
}


/*KEYFRAMES ANIMATION*/
@keyframes homeBgText {
    0%,10%,100%{
        background-position:-33rem 0 ;
    }
    65%,85%{
        background-position: 0 0;
    }

}

@keyframes homeCursorText {
    0%,10%,100%{
        width: 0;
    }
    65%,78%,85%{
        width: 100%;
        opacity: 1;
    }
    75%, 81%{
        opacity: 0;
    }

}

@keyframes aboutSpinner {
    100%{
        transform: translate(-50%,-50%) rotate(-360deg);
    }
}

@keyframes showRight {
    100%{
        width: 0;
    }
}

.modal {
    position: fixed;
    z-index: 999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: var(--second-bg-color);
    color: #fff;
    padding: 20px;
    border-radius: 0;
    text-align: center;
    font-size: 1.5em;
}

.close-button {
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 30px;
    cursor: pointer;
    border: none;
    background: none;
    border-radius: 0; 
}