/* Media Queries Responsive Modernas - Mobile First */

/* Estilos base para móviles (320px+) */
@media (min-width: 320px) {
    /* Optimización de rendimiento para móviles */
    .floating-particle {
        width: 2px;
        height: 2px;
        animation-duration: 40s;
        box-shadow: 0 0 3px rgba(255, 255, 255, 0.03);
    }
    
    .animated-gradient {
        animation-duration: 50s;
        background-size: 200% 200%;
    }
    
    /* Mostrar solo 3 partículas en móviles */
    .floating-particle:nth-child(n+4) {
        display: none;
    }
    
    /* Navegación móvil */
    .main-nav {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .nav-menu {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    /* Container principal responsive */
    .container {
        padding: var(--spacing-md);
        max-width: 100%;
    }
    
    /* Grid de funciones responsive */
    .functions-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }
    
    /* Tarjetas de función optimizadas para touch */
    .function-card {
        min-height: 120px;
        padding: var(--spacing-lg);
        border-radius: var(--border-radius-lg);
        transition: all var(--transition-normal);
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }
    
    .function-card:active {
        transform: scale(0.98);
        transition: transform var(--transition-fast);
    }
    
    /* Botones optimizados para touch */
    .btn {
        min-height: 44px;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-base);
        border-radius: var(--border-radius-md);
        transition: all var(--transition-normal);
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }
    
    /* Inputs optimizados para móviles */
    .form-input {
        min-height: 44px;
        padding: var(--spacing-md);
        font-size: var(--font-size-base);
        border-radius: var(--border-radius-md);
        -webkit-appearance: none;
        -moz-appearance: none;
        appearance: none;
    }
    
    /* Modales responsive */
    .function-modal .modal-content {
        margin: var(--spacing-md);
        max-height: calc(100vh - 2rem);
        overflow-y: auto;
        border-radius: var(--border-radius-lg);
    }
    
    /* Tipografía responsive */
    .menu-title {
        font-size: var(--font-size-xl);
        margin-bottom: var(--spacing-lg);
    }
    
    .function-card h3 {
        font-size: var(--font-size-lg);
    }
    
    .function-card p {
        font-size: var(--font-size-sm);
    }
}

/* Tablets pequeñas (640px+) */
@media (min-width: 640px) {
    .functions-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .container {
        padding: var(--spacing-lg);
    }
    
    .function-modal .modal-content {
        margin: var(--spacing-xl);
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
    
    /* Mostrar más partículas */
    .floating-particle:nth-child(n+4):nth-child(-n+6) {
        display: block;
    }
}

/* Tablets (768px+) */
@media (min-width: 768px) {
    .floating-particle {
        width: 3px;
        height: 3px;
        animation-duration: 35s;
        box-shadow: 0 0 4px rgba(255, 255, 255, 0.05);
    }
    
    .animated-gradient {
        animation-duration: 35s;
        background-size: 300% 300%;
    }
    
    .nav-menu {
        flex-direction: row;
        gap: var(--spacing-lg);
    }
    
    .menu-title {
        font-size: var(--font-size-2xl);
    }
    
    /* Grid de noticias en 2 columnas */
    .news-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    /* Mostrar más partículas */
    .floating-particle:nth-child(n+4):nth-child(-n+7) {
        display: block;
    }
}

/* Desktop pequeño (1024px+) */
@media (min-width: 1024px) {
    .functions-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 800px;
        margin: 0 auto;
    }
    
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: var(--spacing-xl);
    }
    
    .function-modal .modal-content {
        max-width: 600px;
    }
    
    .news-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Mostrar todas las partículas */
    .floating-particle {
        display: block;
        width: 4px;
        height: 4px;
        animation-duration: 25s;
        box-shadow: 0 0 6px rgba(255, 255, 255, 0.1);
    }
    
    .animated-gradient {
        animation-duration: 30s;
        background-size: 400% 400%;
    }
}

/* Desktop grande (1280px+) */
@media (min-width: 1280px) {
    .container {
        max-width: 1400px;
    }
    
    .functions-grid {
        max-width: 900px;
    }
    
    .menu-title {
        font-size: var(--font-size-3xl);
    }
}

/* Dispositivos de baja potencia */
@media (max-width: 480px) {
    .floating-particle {
        animation-duration: 60s;
        opacity: 0.2;
    }
    
    .animated-gradient {
        animation: none;
        background: linear-gradient(45deg, 
            rgba(0, 0, 0, 0.9) 0%, 
            rgba(15, 23, 42, 0.8) 50%,
            rgba(0, 0, 0, 0.9) 100%);
    }
    
    /* Solo 2 partículas en dispositivos muy pequeños */
    .floating-particle:nth-child(n+3) {
        display: none;
    }
    
    /* Ajustes específicos para pantallas muy pequeñas */
    .function-card {
        min-height: 100px;
        padding: var(--spacing-md);
    }
    
    .btn {
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }
    
    .modal-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* Preferencia de movimiento reducido */
@media (prefers-reduced-motion: reduce) {
    .floating-particle {
        animation: none;
        opacity: 0.1;
    }
    
    .animated-gradient {
        animation: none;
        background: linear-gradient(45deg, 
            rgba(0, 0, 0, 0.9) 0%, 
            rgba(15, 23, 42, 0.8) 50%,
            rgba(0, 0, 0, 0.9) 100%);
    }
}

/* Optimización para pantallas de alta densidad */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .floating-particle {
        transform: translateZ(0) scale(0.8);
    }
}

/* Modo oscuro del sistema */
@media (prefers-color-scheme: dark) {
    .floating-particle {
        background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.03) 50%, transparent 100%);
    }
}