/* Header & Navbar */
header {
    width: 100%;
    z-index: 1050;
    position: sticky;
    top: 0;
    background-color: rgba(8, 26, 54, 0.9);
    backdrop-filter: blur(8px);
    transition: background-color 0.3s ease, backdrop-filter 0.3s ease;
}

.index-page header {
    background-color: transparent;
    backdrop-filter: none;
}

.index-page header:has(.navbar-collapse.show),
.index-page header:has(.navbar-toggler[aria-expanded="true"]) {
    background-color: #353d58;
}

.index-page header.scrolled {
    background-color: rgba(8, 26, 54, 0.9);
    backdrop-filter: blur(8px);
}

.navbar-brand img {
    max-height: 70px;
    width: auto;
    transition: transform var(--transition-speed) ease;
}

.navbar-brand img:hover {
    transform: scale(1.03);
}

.navbar-nav .nav-link {
    color: var(--text-white) !important;
    font-size: 1rem;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: color var(--transition-speed) ease, text-shadow var(--transition-speed) ease;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.navbar-nav .nav-link:hover {
    color: var(--accent-orange) !important;
    text-shadow: 0 0 10px rgba(242, 82, 29, 0.4);
}

/* Separator styling for navbar items */
.navbar-nav {
    align-items: center;
}

.nav-item {
    display: flex;
    align-items: center;
}

.nav-item:not(:last-child)::after {
    content: "|";
    color: var(--text-white);
    opacity: 0.6;
    margin: 0 0.5rem;
    font-weight: 300;
    font-size: 0.9rem;
    pointer-events: none;
}

/* Responsive navbar toggle */
.navbar-toggler {
    border: none;
    outline: none;
    padding: 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: none;
}

.toggler-icon {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-white);
    margin: 5px 0;
    transition: all 0.2s ease-in-out;
}