/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: var(--z-fixed);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    flex-direction: column;
    font-weight: 700;
}

.logo-text {
    font-size: 1.5rem;
    color: var(--primary);
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--gray);
    letter-spacing: 0.05em;
}

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

.nav-link {
    color: var(--dark);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    text-decoration: none;
    font-size: 20px;
}
/* .nav-link.is-active */
.nav-link:hover {
    color: var(--primary);
    background: var(--gray-light);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--dark);
    border-radius: 3px;
    transition: var(--transition);
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transition: left 0.3s ease;
    }

    .nav-menu.active {
        left: 0;
    }
}