.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 100;
    transition: background-color 0.3s, box-shadow 0.3s;
}

.nav--transparent {
    background-color: transparent;
}

.nav--solid {
    background-color: var(--color-bg);
    box-shadow: var(--shadow-sm);
}

.nav__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
    text-decoration: none;
}

.nav__links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    list-style: none;
}

.nav__link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.nav__link:hover,
.nav__link--active {
    color: var(--color-accent);
    text-decoration: none;
}

.nav__lang {
    font-size: 0.85rem;
    font-weight: 500;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--space-xs) var(--space-sm);
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: color 0.2s, border-color 0.2s;
}

.nav__lang:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

/* Mobile hamburger */
.nav__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.nav__hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: transform 0.3s, opacity 0.3s;
}

/* Mobile overlay */
.nav__overlay {
    display: none;
    position: fixed;
    inset: 0;
    background-color: var(--color-bg);
    z-index: 99;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
}

.nav__overlay--open {
    display: flex;
}

.nav__overlay .nav__link {
    font-size: 1.5rem;
}

@media (max-width: 768px) {
    .nav__links {
        display: none;
    }

    .nav__hamburger {
        display: flex;
    }
}