.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  width: 100%;
  background: #010411;
  border-bottom: 1.24px solid rgba(255, 255, 255, 0.1);
  padding: 1rem 0;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  box-sizing: border-box;
  width: 100%;
  max-width: 1920px;
  margin: 0 auto;
  padding: 0 5rem;
}

.site-header__brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.site-header__logo {
  display: block;
  height: 4rem;
  width: auto;
  object-fit: contain;
  object-position: left center;
}

.site-header__toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: #fff;
}

.site-header__toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px 0;
  background: #fff;
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}

.site-header__nav {
  display: flex;
  align-items: center;
}

.site-header__list {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header__link {
  display: block;
  padding: 0.45rem 0.85rem;
  border-radius: 6px;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s;
}

.site-header__link:hover {
  background: rgba(255, 255, 255, 0.08);
}

.site-header__link.is-active {
  background: rgba(255, 255, 255, 0.12);
}

@media (max-width: 1280px) {
  .site-header__inner {
    padding: 0 2rem;
  }
}

@media (max-width: 1024px) {
  .site-header__logo {
    width: 250px;
  }

  .site-header__link {
    font-size: 0.88rem;
    padding: 0.4rem 0.65rem;
  }
}

@media (max-width: 900px) {
  .site-header {
    padding: 0.5rem 0;
  }

  .site-header__inner {
    flex-wrap: wrap;
    padding: 0 1rem;
  }

  .site-header__toggle {
    display: block;
    position: relative;
    z-index: 1;
  }

  .site-header__nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 2;
    background: #010411;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.45);
    padding: 0.75rem 1.25rem 1rem;
    display: none;
  }

  .site-header__nav.is-open {
    display: block;
  }

  .site-header__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
  }

  .site-header__link {
    padding: 0.65rem 0.85rem;
  }

  .site-header.is-menu-open .site-header__toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .site-header.is-menu-open .site-header__toggle-bar:nth-child(2) {
    opacity: 0;
  }

  .site-header.is-menu-open .site-header__toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: 0;
  }

  .site-header__inner {
    padding: 0 0.5rem;
  }

  .site-header__logo {
    width: 200px;
  }
}