/* Header y Navegación */
header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    background-color: rgba(var(--color-surface-0-rgb), 0.95);
    box-shadow: 0 2px 5px rgba(var(--color-overlay-rgb), 0.2);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-md);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    max-height: 50px;
    width: auto;
    display: block;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-text h1 {
    font-size: 1.8rem;
    color: var(--color-accent);
    margin-bottom: 0;
    line-height: 1.2;
}

.logo-text span {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.5px;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: var(--spacing-md);
}

nav ul li a {
    padding: 0.5rem;
    font-weight: 500;
}

.menu-toggle {
    display: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--color-text);
    background: rgba(var(--color-accent-rgb), 0.1);
    border: 2px solid rgba(var(--color-accent-rgb), 0.3);
    padding: 0.8rem;
    border-radius: 12px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.menu-toggle::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(var(--color-accent-rgb), 0.2);
    border-radius: 50%;
    transition: all 0.3s ease;
    transform: translate(-50%, -50%);
}

.menu-toggle:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
    transform: scale(1.05);
}

.menu-toggle:hover::before {
    width: 100%;
    height: 100%;
}

.menu-toggle:active {
    transform: scale(0.95);
}

/* Responsive */
@media (max-width: 768px) {
    .menu-toggle {
        display: block !important;
        z-index: 1001;
        position: relative;
        transition: all 0.3s ease;
    }
    
    /* Ocultar el botón hamburguesa cuando el menú está activo */
    nav.active ~ .menu-toggle {
        opacity: 0;
        pointer-events: none;
        transform: scale(0.8);
    }
    
    header nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: linear-gradient(135deg, rgba(var(--color-surface-0-rgb), 0.98) 0%, rgba(var(--color-surface-3-rgb), 0.98) 100%);
        backdrop-filter: blur(20px);
        display: flex;
        align-items: center;
        justify-content: center;
        transform: translateX(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
        z-index: 1000;
    }
    
    header nav.active {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }
    
    header nav::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: 
            radial-gradient(circle at 20% 30%, rgba(var(--color-accent-rgb), 0.15) 0%, transparent 50%),
            radial-gradient(circle at 80% 70%, rgba(var(--color-accent-rgb), 0.1) 0%, transparent 50%),
            radial-gradient(circle at 50% 50%, rgba(var(--color-accent-rgb), 0.05) 0%, transparent 70%);
        pointer-events: auto;
        animation: backgroundPulse 8s ease-in-out infinite;
        cursor: pointer;
    }
    
    /* Área de clic del menú para que no se cierre al hacer clic en los enlaces */
    header nav ul {
        pointer-events: auto;
        cursor: default;
    }
    
    @keyframes backgroundPulse {
        0%, 100% {
            opacity: 0.6;
        }
        50% {
            opacity: 1;
        }
    }
    
    header nav ul {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 0;
        margin: 0;
        list-style: none;
        gap: 2rem;
        position: relative;
        z-index: 1;
    }
    
    header nav ul li {
        margin: 0;
        opacity: 0;
        transform: translateY(30px);
        transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    }
    
    header nav.active ul li {
        opacity: 1;
        transform: translateY(0);
    }
    
    header nav.active ul li:nth-child(1) { transition-delay: 0.1s; }
    header nav.active ul li:nth-child(2) { transition-delay: 0.15s; }
    header nav.active ul li:nth-child(3) { transition-delay: 0.2s; }
    header nav.active ul li:nth-child(4) { transition-delay: 0.25s; }
    header nav.active ul li:nth-child(5) { transition-delay: 0.3s; }
    header nav.active ul li:nth-child(6) { transition-delay: 0.35s; }
    
    header nav ul li a {
        display: block;
        padding: 1rem 2rem;
        text-align: center;
        font-size: 2rem;
        font-weight: 300;
        color: var(--color-text);
        text-decoration: none;
        letter-spacing: 1px;
        position: relative;
        transition: all 0.3s ease;
        border-radius: 8px;
        overflow: hidden;
    }
    
    nav ul li a::before {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        width: 0;
        height: 2px;
        background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
        transition: all 0.3s ease;
        transform: translateX(-50%);
    }
    
    header nav ul li a::after {
        content: attr(data-text);
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--color-accent);
        font-weight: 400;
        opacity: 0;
        transform: translateY(100%);
        transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
        background: rgba(var(--color-accent-rgb), 0.1);
        backdrop-filter: blur(10px);
    }
    
    header nav ul li a:hover {
        color: transparent;
        transform: translateY(-5px) scale(1.02);
        text-shadow: 0 4px 8px rgba(var(--color-accent-rgb), 0.3);
    }
    
    header nav ul li a:hover::before {
        width: 80%;
    }
    
    header nav ul li a:hover::after {
        opacity: 1;
        transform: translateY(0);
    }
    
    /* Cerrar menú con X estilizada */
    .menu-close {
        position: absolute;
        top: 2rem;
        right: 2rem;
        width: 50px;
        height: 50px;
        background: rgba(var(--color-accent-rgb), 0.1);
        border: 2px solid rgba(var(--color-accent-rgb), 0.3);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--color-accent);
        font-size: 1.5rem;
        cursor: pointer;
        transition: all 0.3s ease;
        opacity: 0;
        transform: scale(0.8);
    }
    
    header nav.active .menu-close {
        opacity: 1;
        transform: scale(1);
        transition-delay: 0.4s;
    }
    
    .menu-close:hover {
        background: rgba(var(--color-accent-rgb), 0.2);
        border-color: var(--color-accent);
        transform: scale(1.1);
    }
}

/* Ocultar el botón de cerrar en desktop */
@media (min-width: 769px) {
    .menu-close {
        display: none !important;
    }
}