.site-header {
  background: transparent;
  border-bottom: 1px solid rgba(0,0,0,0.45);
}


.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 100px;
}


.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}


.brand img {
  height: 60px;
  width: auto;
}


.brand-name {
  font-weight: 600;
  font-size: 24px;
  letter-spacing: 0.2px;
}


.main-nav {
  margin-left: auto;
}


.main-nav ul {
  list-style: none;
  display: flex;
  gap: 18px;
  margin: 0;
  padding: 0;
}


.main-nav a {
  position: relative;
  display: inline-block;
  padding: 8px 4px;
  font-weight: 700;
  font-size: 18px;
  color: #000;
  text-decoration: none;
  transition: color .2s ease;
}

.main-nav a:hover {
  color: rgba(0, 0, 0, 0.7);
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 3px;
  background-color: #c22719;
  transition: width .25s ease;
}

.main-nav a:hover::after {
  width: 100%;
}


.main-nav li.active a {
  color: #c22719;
}

.main-nav li.active a::after {
  width: 100%;
}