.navbar-custom {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.top-bar {
    background: var(--color-blue);
    color: white;
    padding: 0.75rem 0;
}

.top-bar-star {
    width: 24px;
    height: 24px;
    background: var(--color-yellow);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-blue);
}

.language-dropdown .btn {
    color: white;
    border: none;
}

.language-dropdown .btn:hover {
    background: var(--color-blue-dark);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
}

.logo-box {
    width: 64px;
    height: 64px;
    background: var(--color-blue);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    transition: background 0.3s ease;
}

.logo-box:hover {
    background: var(--color-blue-dark);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-blue);
    margin: 0;
}

.logo-subtext {
    font-size: 0.875rem;
    color: #6b7280;
    margin: 0;
}

.nav-main {
    border-bottom: 1px solid #e5e7eb;
    background: white;
}

.navbar-nav .nav-link {
    color: #4b5563;
    font-weight: 500;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--color-blue);
    background: #f9fafb;
}

.dropdown-menu {
    border: 1px solid #e5e7eb;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.dropdown-item {
    padding: 0.75rem 1rem;
    color: #4b5563;
}

.dropdown-item:hover {
    background: #f9fafb;
    color: var(--color-blue);
}