* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

@font-face {
    font-family: 'Inter';
    src: url(./assets/fonts/Inter-Regular.ttf);
}

@font-face {
    font-family: 'Inter Bold';
    src: url(./assets/fonts/Inter-Bold.ttf);
}

@font-face {
    font-family: 'Merriweather Bold';
    src: url(./assets/fonts/Merriweather-Bold.ttf);
}

@font-face {
    font-family: 'Merriweather Regular';
    src: url(./assets/fonts/Merriweather-Regular.ttf);
}

html,
body {
    height: 100%;
    scroll-behavior: smooth;
}

body {
    background: #000;
}

::-webkit-scrollbar{
    width:10px;
}

::-webkit-scrollbar-thumb{
    border-width:1px 3px 1px 2px;
    border-color: #1c1c1c;
    background-color: #1c1c1c;
}

::-webkit-scrollbar-thumb:hover{
    border-width: 1px 4px 1px 2px;
    border-color: #BDAE82;
    background-color: #BDAE82;
}

::-webkit-scrollbar-track:hover{
    border-left: solid 1px #BDAE82;
    background-color: #eee;
}

.app__portfolio {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    font-family: 'Inter';
    font-size: 20px;
    color: #fff;
}

.header {
    background: url(./assets/img/header__background.jpg) center 0 no-repeat;
}

.header,
.footer {
    flex: 0 0 auto;
}

.main {
    flex: 1 0 auto;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
}

.link_all {
    text-decoration: none;
    color: #fff;
    transition: 0.8s;
}

.btn__all {
    width: 220px;
    height: 55px;
    background: transparent;
    border: none;
    font-family: 'Inter';
    font-size: 20px;
    line-height: 40px;
    text-align: center;
    color: #000000;
    cursor: pointer;    
    transition: 0.3s;
}

.section__title-wrapper {
    margin: 0 auto;
    padding: 99px 0 61px;
    max-width: 700px;
    text-align: center;
    overflow-x: hidden;
}

.section__title {
    position: relative;
    display: inline-block;
    font-family: 'Merriweather Bold';
    font-size: 40px;
    line-height: 80px;
    color: #BDAE82;
}

.section__title::before,
.section__title::after  {
    content: '';
    position: absolute;
    top: 50%;
    width: 500px;
    border-bottom: 2px solid #BDAE82;
}

.section__title::before {
    margin-right: 20px;
    right: 100%;
}

.section__title::after {
    margin-left: 20px;
}

.header__wrapper {
    height: 90px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header__icon {
    display: inline-block;
    height: 50px;
    width: 50px;
    background: url(./assets/svg/header__logo.svg) center 2px no-repeat;
    transition: 0.8s;
    
}

.header__icon:hover,
.header__btn_swith-theme:hover {
    filter: invert(26%) sepia(15%) saturate(638%) hue-rotate(7deg) brightness(92%)
    contrast(87%);
    transition: 0.8s;
}

.nav__items,
.languages__items {
    list-style: none;
    display: flex;
}

.nav__link,
.lang__link {
    line-height: 50px;
}

.header__nav {
    padding: 20px 31px;
    margin-left: auto;
}

.nav__item:not(:last-child) {
    padding-right: 31px;
}

.nav__link:hover {
    color: #BDAE82;
    transition: 0.8s;
}

.lang__link {
    font-family: 'Inter Bold';
}

.languages__item.on__lang a{
    color: #BDAE82;
}

.languages__item a:hover{
    color: #BDAE82;
    transition: 0.8s;
}

.languages__item:nth-child(1)::after {
    content: '/';
    line-height: 50px;
    padding: 0 8px 0 9px;
    font-family: 'Inter Bold';
}

.header__btn-burger {
    display: none;
    flex-direction: column;
    justify-content: space-evenly;
    align-items: center;
    width: 50px;
    height: 50px;
    cursor: pointer;
    user-select: none;
    z-index: 2;
  }

.header__btn-burger:hover .btn__line{
    background-color: #BDAE82;
    transition: 0.3s ease-in-out;
}

  .btn__line {
    width: 100%;
    height: 3px;
    background: #FFFFFF;
    margin: 3px 0;
    z-index: 15;
    transition: all 0.3s ease-in-out;
  }

  .header__btn-burger.open .btn__line1 {
    width: 60px;
    transform: rotate(-45deg) translate(-10px, 11px);
  }
  
  .header__btn-burger.open .btn__line2 {
    opacity: 0;
  }
  
  .header__btn-burger.open .btn__line3 {
    width: 60px;
    transform: rotate(45deg) translate(-10px, -10px);
  }

.header__btn_switch-theme {
    width: 45px;
    height: 45px;
    background: url(./assets/svg/ico_light-theme.svg) no-repeat;
    border: none;
    cursor: pointer;    
    transition: 0.3s;
    margin-left: 35px;
}

.header__btn_switch-theme:hover {
    filter: invert(26%) sepia(15%) saturate(638%) hue-rotate(7deg) brightness(92%)
    contrast(87%);
}

.hero {
    height: 820px;
    background: url(./assets/img/header__background.jpg) center -90px no-repeat;
}

.hero__content {
    max-width: 500px;
    padding-top: 160px;
    margin-left: 60px;
}

.hero__title {
    margin-bottom: 10px;
    font-family: 'Merriweather Bold';
    font-size: 60px;
    line-height: 120px;
}

.hero__description {
    max-width: 470px;
    line-height: 40px;
    margin-bottom: 25px;
}

.hero__btn {
    background-color: #BDAE82;
}

.hero__btn:hover {
    color: #fff;
    transition: 0.3s;
}

.skills__content {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
    text-align: center;
}

.skills__item {
    padding-bottom: 9px;
    max-width: 320px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.skills__item-title {
    padding-top: 50px;
    padding-bottom: 22px;
    font-family: 'Inter Bold';
    font-size: 20px;
    line-height: 38px;
}

.skills__item-text {
    padding: 0 20px;
    font-size: 18px;
    line-height: 36px;
}

.portfolio__buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 5px;
    margin-bottom: 60px;
}

.portfolio__btn {
    border: 2px solid #BDAE82;
    color: #BDAE82;
}

.portfolio__btn.active {
    background-color: #BDAE82;
    color: #000;
}

.portfolio__btn:hover,
.price__btn:hover,
.contacts__btn:hover {
    color: #fff;
    transition: 0.4s;
}

.portfolio__content {
    display: flex;
    flex-wrap: wrap;
    gap: 20px 25px;
    justify-content: center;
}

.video__wrapper .section__title-wrapper {
    padding: 94px 0 61px;
}

.video-player {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    background: url(./assets/img/sec-video-player__img.jpg) no-repeat;
    height: 705px;
}

.video__btn {
    position: absolute;
    background: transparent;
    border: none;
    cursor: pointer;
}

.video__btn:hover {
    filter: invert(26%) sepia(15%) saturate(638%) hue-rotate(7deg) brightness(92%)
    contrast(87%);
    transition: 0.3s;
}

.price__items {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 25px;
    margin-bottom: 100px;
}

.price__item {
    width: 450px;
    height: 505px;
    border: 3px solid #BDAE82;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.price__item-title {
    font-family: 'Merriweather Bold';
    font-size: 28px;
    line-height: 56px;
    padding-bottom: 20px;
}

.price__value {
    font-family: 'Merriweather Bold';
    font-size: 24px;
    line-height: 48px;
    color: #BDAE82;
    padding-bottom: 20px;
}

.price__description span{
    display: block;
    font-size: 18px;
    line-height: 36px;
    text-align: center;
}

.price__btn {
    margin-top: 40px;
    background: #BDAE82;
}

.contacts {
    height: 700px;
    background: url(./assets/img/sec-contacts__background.jpg) center 0 no-repeat;
}

.contacts__wrapper {
    padding-top: 60px;
    max-width: 450px;
    margin-left: auto;
}

.contacts__title {
    font-family: 'Merriweather Bold';
    font-size: 40px;
    line-height: 80px;
    color: #BDAE82;
    margin-bottom: 40px;
}

.contacts__input {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.contacts__input input,
.contacts__input textarea {
    padding: 3px 18px;
    border: 2px solid #BDAE82;
    box-sizing: border-box;
    background: rgba(0, 0, 0, 0.5);
    font-family: 'Inter';
    font-size: 20px;
    line-height: 40px;
    color: #BDAE82;
}

.contacts__input textarea {
    resize: none;
    height: 100px;
}

.contacts__input input::placeholder,
.contacts__input textarea::placeholder {
    color: #BDAE82;
}

.contacts__btn {
    background-color: #BDAE82;
    transition: 0.6s;
}

.footer__wrapper {
    height: 150px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}

.footer__link {
    line-height: 50px;
}

.footer__link:hover {
    color: #BDAE82;
}

.footer__copyright span {
    padding: 0 21px;
}

.footer__school_name {
    padding-left: 17px;
}

.footer__social-items {
    list-style: none;
    display: flex;
    justify-content: end;
    padding-top: 5px;
}

.footer__social-item:not(:last-child) {
    margin-right: 20px;
}

.footer__ico {
    width: 32px;
    height: 32px;
    display: inline-block;
    transition: 0.3s;
}

.footer__ico:hover {
    filter: invert(26%) sepia(15%) saturate(638%) hue-rotate(7deg) brightness(92%)
    contrast(87%);
    transition: 0.3s;
}

.ico__inst {
    background: url(./assets/svg/sec-footer__inst.svg)center no-repeat;
}

.ico__fb {
    background: url(./assets/svg/sec-footer__fb.svg)center no-repeat;
}

.ico__twt {
    background: url(./assets/svg/sec-footer__tw.svg)center no-repeat;
}

.ico__pnt {
    background: url(./assets/svg/sec-footer__pntrst.svg)center no-repeat;
}