.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  background: #ffffff;
  border-bottom: 1px solid #e0e0e0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.site-header__container {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1rem;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  color: #1a1a1a;
  font-size: 1.5rem;
  line-height: 1;
  font-weight: 700;
  font-family: inherit;
  text-decoration: none;
  white-space: nowrap;
  max-width: 180px;
}

.site-logo__img {
  max-width: 100%;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}

.site-nav a {
  color: #1a1a1a;
  font-size: 0.94rem;
  line-height: 1;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease;
}

.site-nav a:hover {
  color: #023da5;
}

.site-header__right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #023da5;
  text-decoration: none;
  font-size: 1rem;
  line-height: 1;
  font-weight: 600;
  white-space: nowrap;
}

.header-phone__icon {
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
}

.mobile-menu-btn {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  padding: 0.5rem;
  background: none;
  border: none;
  color: #1a1a1a;
  cursor: pointer;
}

.mobile-menu-btn span {
  position: absolute;
  left: 10px;
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: #1a1a1a;
  transition: 0.25s ease;
}

.mobile-menu-btn span:nth-child(1) {
  top: 12px;
}

.mobile-menu-btn span:nth-child(2) {
  top: 19px;
}

.mobile-menu-btn span:nth-child(3) {
  top: 26px;
}

.mobile-menu-btn.active span:nth-child(1) {
  top: 19px;
  transform: rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  top: 19px;
  transform: rotate(-45deg);
}

.mobile-menu {
  display: none;
  background: #ffffff;
  border-top: 1px solid #e0e0e0;
}

.mobile-menu.open {
  display: block;
}

.mobile-menu__nav {
  padding: 1rem;
}

.mobile-menu__nav a {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  color: #1a1a1a;
  background: none;
  text-align: left;
  font-size: 1rem;
  font-family: inherit;
  text-decoration: none;
}

.mobile-menu__nav a:hover {
  background: #f9fafb;
  color: #023da5;
}

@media (max-width: 1080px) {
  .site-nav {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .site-header__inner {
    height: 4rem;
  }

  .site-logo {
    font-size: 1.5rem;
  }

  .header-phone {
    font-size: 0.95rem;
  }

  .header-phone__icon {
    width: 20px;
    height: 20px;
  }

  .site-logo{
    max-width: 120px;
  }
}