.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--fon_dark);
  z-index: 9999;
  transition: box-shadow .3s;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 4px 21px -1px rgba(34, 60, 80, 0.13);
}

.header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 25px;
  padding-bottom: 25px;
  transition: padding-top .3s, padding-bottom .3s;
}

.header_mini {
  box-shadow: 0 0 30px -11px rgba(0, 0, 0, 0.8);
}

a.menu__link {
  color: var(--text_color_fon_dark);
  font-weight: 500;
  font-size: 18px;
}

/* Добавлено: визуальное выделение текущего пункта навигации по aria-current */
.menu__link[aria-current="page"] {
  text-decoration: none;
}

.logo {
  display: block;
  color: var(--text_color_fon_dark);
}

.logo__img {
  width: 200px;
}

.header__burger-btn {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  background-color: transparent;
  border: none;
  outline: none;
  z-index: 2;
  cursor: pointer;
}

.header__burger-btn span {
  display: block;
  position: absolute;
  width: 30px;
  height: 3px;
  left: 5px;
  background-color: var(--text_color_fon_dark);
  transition: background-color .3s, opacity .3s, transform .5s;
  will-change: transform;
}

.header__burger-btn:hover span {
  background-color: rgb(216, 211, 211);
}

.header__burger-btn span:nth-child(1) {
  transform: translateY(-10px);
}

.header__burger-btn span:nth-child(3) {
  transform: translateY(10px);
}

.header.open .header__burger-btn span {
  background-color: var(--text_color_fon_light);
}

.header.open .header__burger-btn span:nth-child(1) {
  transform: translateY(0) rotate(45deg);
}

.header.open .header__burger-btn span:nth-child(2) {
  opacity: 0;
}

.header.open .header__burger-btn span:nth-child(3) {
  transform: translateY(0) rotate(-45deg);
}

.menu__list {
  display: flex;
  align-items: center;
  list-style-type: none;
  padding: 0;
  margin: 0;
}

.menu__list a:hover {
  font-size: 17px;
  color: #767070;
  opacity: 1;
  transition-duration: .4s;
}

a:active {
  color: #767070;
}

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

.menu__link {
  font-size: 16px;
}

.menu__icon img {
  background-color: var(--fon_dark);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--fon_light);
}

.menu__icon img:hover {
  border: 3px solid #767070;
  box-shadow: 0 4px 8px 15px rgba(189, 189, 190, 0.2);
  transition-duration: .4s;
}

@media (max-width: 992px) {
  .header__burger-btn {
    display: block;
  }

  .menu {
    position: absolute;
    right: -350px;
    top: 0;
    width: 350px;
    padding: 75px 20px 20px 20px;
    background-color: var(--fon_light);
    visibility: hidden;
    transition: transform .5s, visibility .5s;
    will-change: transform;
  }

  .menu__list {
    display: block;
  }

  .menu__item:not(:last-child) {
    margin-right: 0;
  }

  a.menu__link {
    color: var(--text_color_fon_light);
    font-size: 21px;
    display: block;
    padding: 10px;
  }

  .header.open .menu {
    transform: translateX(-100%);
    visibility: visible;
  }
}