/* Header principal */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: #ffffff;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 1000;
}

.logo-link {
    display: block;
    transition: transform 0.3s ease;
}

.logo-img {
    height: 2.5rem;
    width: auto;
}

/* Navegación */
.main-nav {
    position: relative;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
}

.nav-toggle-icon {
    display: block;
    width: 24px;
    height: 2px;
    background: #2c3e50;
    position: relative;
    transition: all 0.3s ease;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: inherit;
    transition: inherit;
}

.nav-toggle-icon::before { transform: translateY(-6px); }
.nav-toggle-icon::after { transform: translateY(6px); }

.nav-menu {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: none;
    border: none;
    cursor: pointer;
    color: #2c3e50;
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: 0.95rem;
    font-weight: 500;
}

.nav-icon {
    width: 1.25rem;
    height: 1.25rem;
    fill: currentColor;
    transition: transform 0.3s ease;
}

.nav-link:hover {
    color: #3498db;
}

.nav-link:hover .nav-icon {
    transform: translateY(-2px);
}

/* Versión móvil */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        right: 0;
        background: #ffffff;
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
        border-radius: 12px;
        padding: 1rem;
        min-width: 220px;
        flex-direction: column;
    }
    
    .nav-menu.active {
        display: flex;
        animation: slideDown 0.3s ease;
    }
    
    .nav-toggle[aria-expanded="true"] .nav-toggle-icon {
        background: transparent;
    }
    
    .nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
        transform: rotate(45deg);
    }
    
    .nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
        transform: rotate(-45deg);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}