.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 15px;
  display: flex;
  justify-content: center;
  z-index: 999;
  background-color: transparent;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
  background-color: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.header-container {
  width: 100%;
  max-width: 1443px;
  margin: 0 auto;
  padding: 0 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-branding img {
  max-height: 60px;
  height: auto;
}

.main-navigation {
  display: flex;
  align-items: center;
}

.main-navigation ul {
  display: flex;
  gap: 80px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.main-navigation a {
  text-decoration: none;
  font-size: 17px;
  font-weight: 400;
  line-height: 24px;
  transition: color 0.3s ease;
}

.main-navigation a:hover {
  color: #d2232a;
}

.menu-toggle {
  display: none;
  width: 28px;
  height: 20px;
  position: relative;
  cursor: pointer;
  background: none;
  border: none;
}

.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: #3A3A3A;
  transition: all 0.3s ease;
}

.menu-toggle span {
  top: 50%;
  transform: translateY(-50%);
}

.menu-toggle span::before {
  content: '';
  top: -8px;
}

.menu-toggle span::after {
  content: '';
  top: 8px;
}

.menu-toggle.active span {
  background-color: transparent;
}

.menu-toggle.active span::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle.active span::after {
  top: 0;
  transform: rotate(-45deg);
}

.mobile-navigation {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  background-color: #fff;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  padding: 20px;
  box-sizing: border-box;
}

.mobile-navigation ul {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
}

.mobile-navigation ul li {
  width: 100%;
  text-align: center;
  margin: 10px 0;
}

.mobile-navigation ul li a {
  text-decoration: none;
  font-size: 18px;
  font-weight: 400;
}

[id] {
  scroll-margin-top: 80px;
}

@media (max-width: 768px) {
  .site-header {
    background-color: #fff;
  }

  .site-header.scrolled {
    background-color: #fff;
  }

  .main-navigation {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .mobile-navigation.show {
    display: flex;
  }
}

@media (min-width: 992px) {
  .mobile-navigation {
    display: none !important;
  }
}