.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #ffffff;
  transition: box-shadow 0.25s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.header-inner {
  width: min(1248px, calc(100% - 48px));
  margin: 0 auto;
  height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #a3b271;
  position: relative;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  position: relative;
  z-index: 20;
}

.site-logo img {
  display: block;
  width: 308px;
  height: auto;
  max-width: 100%;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex: 1;
  margin-left: 56px;
}

.main-nav ul {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 34px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.main-nav a {
  font-family: "Roboto", sans-serif;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: #666666;
  transition: color 0.25s ease;
}

.main-nav a:hover,
.main-nav a:focus {
  color: #a3b271;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  position: relative;
  z-index: 30;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px auto;
  background: #666666;
  transition: transform 0.25s ease, opacity 0.25s ease, background 0.25s ease;
}

.nav-toggle:hover span {
  background: #a3b271;
}

@media (max-width: 1100px) {
  .site-logo img {
    width: 260px;
  }

  .main-nav {
    margin-left: 32px;
  }

  .main-nav ul {
    gap: 24px;
  }

  .main-nav a {
    font-size: 13px;
    letter-spacing: 0.06em;
  }
}

@media (max-width: 860px) {
  .header-inner {
    height: 84px;
  }

  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    margin-left: 0;
    display: block;
    background: #f6f6e6;
    border-bottom: 1px solid rgba(163, 178, 113, 0.65);
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.06);
    padding: 18px 0 22px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    pointer-events: none;
    transition:
      opacity 0.25s ease,
      visibility 0.25s ease,
      transform 0.25s ease;
  }

  .main-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 0 4px;
  }

  .main-nav a {
    display: block;
    font-size: 13px;
    letter-spacing: 0.08em;
    padding: 4px 0;
  }

  .nav-toggle.is-active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle.is-active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.is-active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
    
    .nav-lang {
      margin-top: 4px;
      padding-top: 12px;
      border-top: 1px solid rgba(163, 178, 113, 0.45);
      gap: 10px;
    }

    .nav-lang a {
      display: inline-block;
      font-size: 13px;
    }
    
}

@media (max-width: 640px) {
  .header-inner {
    width: min(1248px, calc(100% - 28px));
    height: 78px;
  }

  .site-logo img {
    width: 220px;
  }

  .main-nav {
    padding: 16px 0 20px;
  }

  .main-nav ul {
    gap: 14px;
  }
}

.nav-lang {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-left: 2px;
  white-space: nowrap;
}

.nav-lang a {
  font-weight: 600;
  letter-spacing: 0.09em;
  color: #4f4f4f;
}

.nav-lang a.is-active {
  color: #a3b271;
}

.nav-lang span {
  font-family: "Roboto", sans-serif;
  font-size: 13px;
  color: rgba(102, 102, 102, 0.45);
  line-height: 1;
}