.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--header-bg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 1000;
  padding: 10px 30px;
}

.site-header .logo {
  font-weight: bold;
  font-size: 35px;
  color: var(--header-logo-color);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin: 0;
  padding: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  
}

.site-header .logo p {
  font-size: 20px;
  color: var(--header-logo-color);
}

.nav-links {
  display: flex;
  gap: 20px;
  background-color: var(--header-bg);
}

.nav-links a {
  position: relative; 
  color: var(--header-nav-color);
  text-decoration: none;
  font-weight: bold;
  transition: color 0.2s ease;
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 2px;
  opacity: 0.8;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px; 
  width: 0;
  height: 2px; 
  background-color: var(--header-nav-color-active);
  transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%; 
}

.nav-links a:hover {
  color: var(--header-nav-color-active);
  opacity: 1;
}

.nav-links a.active {
  color: var(--header-nav-color-active);
  opacity: 1;
}

.menu-toggle {
  display: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--header-nav-color-active);
}