/* Navegación */
nav {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo h1 {
    color: var(--primary-color);
    font-size: 1.8rem;
}

.logo img {
    height: 64px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

/* Ocultar toggle en escritorio */
.nav-toggle {
    display: none;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-menu a:hover::after {
    width: 100%;
}

/* Responsive - navegación */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-toggle {
        display: inline-flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 5px;
        width: 44px;
        height: 44px;
        border: none;
        background: transparent;
        cursor: pointer;
    }

    .nav-toggle .bar {
        display: block;
        width: 24px;
        height: 2px;
        background: var(--text-color);
        transition: var(--transition);
    }

    .nav-menu {
        position: static;
        display: none;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding-bottom: 0.5rem;
    }

    .nav-menu.open {
        display: flex;
    }
}