:root {
            --primary: #00ff88;
            --bg-dark: #0f172a;
            --card-bg: #1e293b;
            --text-light: #f8fafc;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }

        body { 
            font-family: 'Inter', sans-serif; 
            background: var(--bg-dark); 
            color: var(--text-light); 
            padding-top: 100px; /* Espacio para que la nav no tape el h1 */
        }

        /* --- NAVEGACIÓN PC --- */
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 10%;
            height: 80px;
            background: rgba(15, 23, 42, 0.98);
            position: fixed;
            width: 100%;
            top: 0;
            left: 0;
            z-index: 2000;
            border-bottom: 1px solid rgba(0, 255, 136, 0.1);
        }

        .logo { 
            font-size: 1.5rem; 
            font-weight: 800; 
            color: var(--primary); 
            text-decoration: none;
            white-space: nowrap;
        }

        .nav-links { 
            list-style: none; 
            display: flex; 
            gap: 20px; /* Espaciado moderno entre elementos */
            align-items: center;
        }

        .nav-links a { 
            text-decoration: none; 
            color: white; 
            font-weight: 800; 
            font-size: 1.2rem; 
            transition: 0.3s; 
            padding: 8px 15px; 
            border-radius: 8px;
            white-space: nowrap; /* Evita que el texto se corte */
        }

        .nav-links a:hover { 
            background: rgba(0, 255, 136, 0.1); 
            color: var(--primary); 
        }

        /* --- CONTENIDO --- */
        .container { padding: 40px 10%; width: 100%; }
        
        .header-recursos { text-align: center; margin-bottom: 50px; }
        .header-recursos h1 { font-size: clamp(1.8rem, 5vw, 2.8rem); margin-bottom: 10px; }
        .header-recursos p { color: #94a3b8; }

        .grid-recursos {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 30px;
        }

        .widget-card {
            background: var(--card-bg);
            padding: 20px;
            border-radius: 20px;
            border: 1px solid rgba(255,255,255,0.05);
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }

        .widget-card h3 { margin-bottom: 20px; font-size: 1.1rem; color: var(--primary); display: flex; align-items: center; gap: 10px; }

        /* --- RESPONSIVE MÓVIL --- */
        @media (max-width: 768px) {
            nav { padding: 0 5%; height: 70px; }
            .logo { font-size: 1.1rem; }
            .nav-links { gap: 5px; }
            .nav-links a { font-size: 1rem; padding: 5px 8px; }
            
            .container { padding: 20px 5%; }
            .grid-recursos { grid-template-columns: 1fr; }
        }

        .grid-recursos {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 40px; /* Aumentamos el espacio entre widgets de abajo */
            margin-top: 20px;
        }

        .widget-card {
            transition: transform 0.3s ease;
        }

        .widget-card:hover {
            transform: translateY(-5px);
        }

         /* --- FOOTER --- */
        footer {
            padding: 50px 10%;
            text-align: center;
            background: #080e1a;
        }
        .social-icons { margin-bottom: 20px; }
        .social-icons a {
            color: white;
            font-size: 1.5rem;
            margin: 0 15px;
            transition: 0.3s;
        }
         /* El efecto neón al pasar el ratón por los iconos */
        .social-icons a:hover {
            color: var(--primary);
            text-shadow: 0 0 10px var(--primary);
            transform: translateY(-3px);
            display: inline-block;
            }