/* ====================================
   MENÚ DE NAVEGACIÓN
   ==================================== */

.navbar {
    background: var(--primary-color);
    padding: 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    color: var(--text-light);
    text-decoration: none;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    transition: var(--transition-normal);
}

.logo:hover {
    transform: scale(1.05);
    color: var(--text-light);
    text-decoration: none;
}

.logo-placeholder {
    width: auto;
    height: 40px;
    margin-right: var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-placeholder img {
    height: 100%;
    width: auto;
    max-width: 300px;
    object-fit: contain;
}

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

.nav-item {
    margin: 0 var(--space-xs);
}

.nav-link {
    display: block;
    padding: var(--space-md) var(--space-lg);
    color: var(--text-light);
    text-decoration: none;
    border-radius: var(--border-radius-full);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    font-weight: var(--font-weight-medium);
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left 0.3s ease;
    z-index: -1;
}

.nav-link:hover::before {
    left: 0;
}

.nav-link:hover {
    color: var(--text-light);
    transform: translateY(-2px);
    text-decoration: none;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 8px;
    left: 50%;
    background-color: rgba(255, 255, 255, 0.8);
    transition: var(--transition-normal);
}

.nav-link:hover::after {
    width: 60%;
    left: 20%;
}

/* Menú hamburguesa */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--space-xs);
    z-index: 1001;
    transition: var(--transition-normal);
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-light);
    margin: 3px 0;
    transition: var(--transition-normal);
    border-radius: var(--border-radius-sm);
}

/* Animación del hamburger */
.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.hamburger.active .bar:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--primary-color);
        width: 100%;
        text-align: center;
        transition: var(--transition-normal);
        box-shadow: var(--shadow-lg);
        padding: var(--space-lg) 0;
        backdrop-filter: blur(10px);
    }

    .nav-menu.active {
        left: 0;
        animation: fadeInDown 0.3s ease;
    }

    .nav-item {
        margin: var(--space-md) 0;
    }

    .nav-link {
        padding: var(--space-lg) var(--space-xl);
        margin: 0 var(--space-lg);
        border-radius: var(--border-radius-md);
        background: rgba(255, 255, 255, 0.1);
        display: block;
    }

    .logo {
        font-size: var(--font-size-lg);
    }

    .logo-placeholder {
        width: auto;
        height: 35px;
    }

    .logo-placeholder img {
        max-width: 200px;
    }
}

@media screen and (max-width: 480px) {
    .nav-container {
        padding: 0 var(--space-md);
        height: 60px;
    }

    .logo {
        font-size: var(--font-size-base);
    }

    .logo-placeholder {
        width: auto;
        height: 30px;
        margin-right: var(--space-sm);
    }

    .logo-placeholder img {
        max-width: 100px;
    }
}