header {
  background: url('../img/header/bg.avif') no-repeat center center;
  position: relative;
  background-size: cover;
  background-attachment: fixed;
  transition: all 0.5s ease;
}
header::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg);
  z-index: 2;
}
.header__content.sticky {
  height: 85px;
  transition: all 0.5s ease;
}
.header__content.sticky .header-arrow {
  display: none;
}
.header-bottom.header-bottom-hide {
  height: 0vh;
  opacity: 0;
  transition: all 0.5s ease;
}
.header__content {
  position: relative;
  z-index: 3;
  height: 100vh;
  transition: all 0.5s ease;
}

.header-fixed {
  transition: all 0.5s ease;
  position: fixed;
  width: 100%;
  padding: 30px 0;
  border-bottom: 1px solid #878787;
}

.header-logo_white {
  display: block;
  height: 45px;
  width: 45px;
  /* z-index: 9; */
}
.logo-hide {
  display: none;
}
.header-logo_dark {
  display: none;
  height: 45px;
  width: 45px;
  /* z-index: 10; */
}

.logo-show {
  display: block;
}
.inverted {
  background-color: rgba(255, 255, 255, 0.9);
  padding: 20px 0;

  backdrop-filter: blur(5px);
  border-bottom: 1px solid var(--light-bg);
}
.inverted .header-top__menu a {
  color: var(--body-text);
}
.inverted .header-top__menu a:hover {
  border-bottom: solid 1px var(--body-text);
}
.inverted .header-top__tel a {
  color: var(--body-text);
}
.inverted .header-top__tel a svg {
  fill: rgba(255, 255, 255, 0);
  stroke: var(--body-text);
  transition: all 0.5s ease;
}
.inverted .header-top__tel a:hover svg {
  fill: var(--body-text);
  transition: all 0.5s ease;
}
.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-right: 45px;
  padding-left: 45px;
}
.header-top__menu {
  display: flex;
  flex-direction: row;
}
.header-top__menu a {
  border-bottom: solid 1px rgba(255, 255, 255, 0);
  margin-right: 50px;
  text-decoration: none;
  color: var(--white);
  transition: all 0.5s ease;
}
.header-top__menu a:hover {
  border-bottom: solid 1px var(--white);
  margin-bottom: -1px;
  transition: all 0.5s ease;
}
.header-top__menu a:last-child {
  margin-right: 0;
}
.header-top__tel {
  justify-content: center;
}
.header-top__tel a {
  text-decoration: none;
  color: var(--white);
  display: flex;
  align-items: center;
}
.header-top__tel a svg {
  fill: rgba(255, 255, 255, 0);
  margin-right: 10px;
  stroke: var(--white);
  width: 23px;
  height: 23px;

  transition: all 0.5s ease;
}
.header-top__tel a:hover > svg {
  fill: var(--white);
  transition: all 0.5s ease;
}
.header-bottom {
  opacity: 1;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  color: var(--white);
  text-align: center;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: all 0.5s ease;
}
.header-bottom h1 {
  font-weight: 300;
}
.header__design-tittle,
.header__design-subtittle {
  display: none;
}
/* navbar */

.checkbox {
  position: absolute;
  display: none;
  height: 20px;
  width: 40px;
  right: 45px;
  top: 44px;
  /* left: 20px; */
  z-index: 10;
  opacity: 0;
  cursor: pointer;
}
.hamburger-lines {
  height: 20px;
  width: 40px;
  position: absolute;
  right: 45px;
  top: 44px;
  z-index: 9;
  display: none;
  flex-direction: column;
  justify-content: space-between;
}
.navbar .hamburger-lines .line {
  display: none;
  height: 3px;
  width: 100%;
  /* border-radius: 10px; */
  background: var(--white);
  transition: all 0.5s ease;
}

.inverted .navbar .checkbox__top .line {
  background: black;
  transition: all 0.5s ease;
}
.navbar .hamburger-lines .line1 {
  transform-origin: 0% 0%;
  transition: transform 0.4s ease-in-out;
}

.navbar .hamburger-lines .line2 {
  transition: transform 0.2s ease-in-out;
}

.navbar .hamburger-lines .line3 {
  transform-origin: 0% 100%;
  transition: transform 0.4s ease-in-out;
}
.checkbox:checked ~ .menu-items {
  transform: translateX(-100%);
}

.checkbox:checked ~ .hamburger-lines .line1 {
  transform: rotate(45deg) translate(-7px);
  background: var(--white);
}

.checkbox:checked ~ .hamburger-lines .line2 {
  transform: scaleY(0);
  background: var(--white);
}

.checkbox:checked ~ .hamburger-lines .line3 {
  transform: rotate(-45deg) translate(-7px);
  background: var(--white);
}

/* header arrows  */

.header-arrow {
  z-index: -1;
  opacity: 0;
  position: absolute;
  left: 50%;
  top: 90vh;
  transform-origin: 50% 50%;
  transform: translate3d(-50%, -50%, 0);
}

.header-arrow__first {
  -webkit-animation: arrow-movement 2s ease-in-out infinite;
  animation: arrow-movement 2s ease-in-out infinite;
}

.header-arrow__second {
  -webkit-animation: arrow-movement 2s 1s ease-in-out infinite;
  animation: arrow-movement 2s 1s ease-in-out infinite;
}

.header-arrow:before,
.header-arrow:after {
  background: #fff;
  content: '';
  display: block;
  height: 3px;
  position: absolute;
  top: 0;
  left: 0;
  width: 30px;
}

.header-arrow:before {
  transform: rotate(45deg) translateX(-23%);
  transform-origin: top left;
}

.header-arrow:after {
  transform: rotate(-45deg) translateX(23%);
  transform-origin: top right;
}

@-webkit-keyframes arrow-movement {
  0% {
    opacity: 0;
    top: 45%;
  }
  70% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

@keyframes arrow-movement {
  0% {
    opacity: 0;
    top: 85vh;
  }
  70% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}
/* 
.first-page__link {
  display: block;
  position: relative;
  top: -30vh;
  height: 30vh;
  width: 40vw;
  margin-right: auto;
  margin-left: auto;
} */