header {
  position: sticky;
  top: 0;
  width: 100%;
  background-color: var(--dark-blue);
  color: white;
  padding: var(--spacing-sm) 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  text-align: center;
  perspective: 1000px;
}

.logo h1 {
  margin: 0;
  font-size: 1.5rem;
  color: white;
  text-transform: uppercase;
  letter-spacing: 1px;
  transform-style: preserve-3d;
  transition: transform 0.5s ease;
  position: relative;
  padding: 10px 20px;
}

.logo h1::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--primary-medium);
  transform: translateZ(-10px);
  border-radius: var(--radius-sm);
}



.logo img {
  width: 30px;
  height: 32px;
  margin-right: 10px;
  vertical-align: middle;
  transform-style: preserve-3d;
  transition: transform 0.5s ease;
}



.nav-menu ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
}

.nav-menu a {
  color: white;
  text-decoration: none;
  position: relative;
  transition: color 0.3s ease;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--primary-medium);
  transition: width 0.3s ease;
}

.nav-menu a:hover {
  color: var(--primary-medium);
}

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

.search-bar {
  display: flex;
  align-items: center;
}

.search-bar input {
  border: none;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  padding: var(--spacing-xs) var(--spacing-sm);
  outline: none;
  font-family: 'Wellfleet', serif;
}

.search-bar button {
  background-color: var(--primary-dark);
  color: white;
  border: none;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--spacing-xs) var(--spacing-sm);
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.search-bar button:hover {
  background-color: var(--primary-very-dark);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: white;
  border-radius: 3px;
  transition: all 0.3s ease;
}