/* ======= HEADER Y NAVEGACIÓN ======= */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    padding: 1rem var(--spacing-base);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.95rem;
}

.logo img {
    height: 60px; /* Ajusta según necesites */
    width: auto;
}

.logo h1 {
    margin: 0;
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    color: var(--title-color);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Menú hamburguesa */
#menu-toggle {
    display: none; /* Oculto por defecto en desktop */
    background: var(--gradient-primary);
    border: none;
    cursor: pointer;
    padding: 0.8rem;
    border-radius: 50%;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    z-index: 1001;
}

#menu-toggle:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

#menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-white);
    margin: 4px 0;
    border-radius: 3px;
    transition: var(--transition-base);
}

#menu-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

#menu-toggle.open span:nth-child(2) {
    opacity: 0;
}

#menu-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Navegación */
.main-nav {
    display: flex;
}

.main-nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
}

.main-nav ul li a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 1rem;
    padding: 0.5rem 1rem;
    display: block;
    transition: var(--transition-base);
    border-radius: var(--border-radius-sm);
    position: relative;
    overflow: hidden;
}

.main-nav ul li a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
    z-index: -1;
}

.main-nav ul li a:hover::before,
.main-nav ul li a.active::before {
    width: 100%;
}

.main-nav ul li a:hover,
.main-nav ul li a.active {
    color: var(--color-white);
}

.btn-acceso {
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: var(--border-radius-xl);
    font-weight: 600;
    transition: var(--transition-base);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
}

.btn-acceso:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Estilos responsivos */
@media (max-width: 768px) {
    #menu-toggle {
        display: block;
    }
    
    .main-nav {
        display: none;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-base);
        border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
        border: 1px solid var(--glass-border);
    }
    
    .main-nav.active {
        display: flex;
        animation: slideDown 0.3s ease-out;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 0.5rem;
        margin-bottom: var(--spacing-base);
    }
    
    .main-nav ul li a {
        padding: 0.75rem var(--spacing-base);
    }
    
    .main-nav ul li a:hover {
        transform: translateX(5px);
    }
    
    .user-actions {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
        padding-top: var(--spacing-base);
        border-top: 1px solid var(--glass-border);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}