.main-header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 9999;
    padding: 24px 0;
    background-color: var(--color-warm-cream);
    border-bottom: 1px solid var(--color-navy-60);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo, 
.main-header .nav-link {
    color: var(--color-primary-blue);
    font-weight: 500;
}

.main-header .nav-link:hover {
    color: var(--color-navy-light);
}

.main-header .nav-link.active {
    border-bottom: 2px solid var(--color-primary-blue);
    padding-bottom: 4px;
}

.main-header.is-scrolled {
    background-color: var(--color-warm-cream);
    box-shadow: 0 1px 0 rgba(0,0,0,0.05);
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary-blue);
    letter-spacing: 0.05em;
}

.nav-links {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-link {
    font-size: var(--text-body-small);
    font-weight: 500;
    color: var(--color-near-black);
}

.nav-link:hover {
    color: var(--color-primary-blue);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

@media (max-width: 992px) {
    .nav-links {
        position: fixed;
        top: 96px;
        left: 0;
        width: 100%;
        height: calc(100vh - 96px);
        background-color: var(--color-warm-cream);
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 48px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-duration) var(--ease-out);
    }
    
    .nav-links.is-open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
}