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

        body {
            font-family: 'Inter', sans-serif;
            background: #f9fafb;
            color: #111827;
            line-height: 1.5;
        }

        /* Layout principal */
        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 2rem 1.5rem;
        }

        .grid {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 2.5rem;
        }

        /* Sidebar / Navegación */
        .sidebar {
            position: sticky;
            top: 2rem;
            align-self: start;
            background: white;
            border-radius: 1rem;
            padding: 1.5rem;
            box-shadow: 0 1px 3px rgba(0,0,0,0.05);
            border: 1px solid #e5e7eb;
        }

        .sidebar h3 {
            font-size: 1rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: #4b5563;
            margin-bottom: 1rem;
        }

        .sidebar nav ul {
            list-style: none;
        }

        .sidebar nav li {
            margin-bottom: 0.75rem;
        }

        .sidebar nav a {
            text-decoration: none;
            color: #1f2937;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s;
            display: block;
            padding: 0.25rem 0;
        }

        .sidebar nav a:hover {
            color: #d97706; /* Naranja cálido para acento */
        }

        /* Contenido principal */
        .content {
            background: white;
            border-radius: 1rem;
            padding: 2rem 2rem 3rem;
            border: 1px solid #e5e7eb;
            box-shadow: 0 1px 2px rgba(0,0,0,0.03);
        }

        /* Header del contenido */
        .hero {
            border-bottom: 2px solid #f3f4f6;
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
        }

        .hero h1 {
            font-size: 2.2rem;
            font-weight: 700;
            background: linear-gradient(135deg, #1e3a8a, #d97706);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
            margin-bottom: 0.5rem;
        }

        .hero .badge {
            display: inline-block;
            background: #fef3c7;
            color: #b45309;
            padding: 0.2rem 0.7rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-top: 0.5rem;
        }

        /* Estilos de secciones */
        section {
            margin-bottom: 2.5rem;
            scroll-margin-top: 2rem;
        }

        h2 {
            font-size: 1.6rem;
            font-weight: 600;
            margin-bottom: 1rem;
            padding-bottom: 0.4rem;
            border-bottom: 3px solid #fbbf24;
            display: inline-block;
        }

        h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin: 1.5rem 0 0.75rem 0;
            color: #1e40af;
        }

        p {
            margin-bottom: 1rem;
            color: #374151;
        }

        .card-note {
            background: #fef9e6;
            border-left: 5px solid #f59e0b;
            padding: 1rem 1.5rem;
            border-radius: 0.75rem;
            margin: 1.5rem 0;
        }

        code {
            background: #f1f5f9;
            padding: 0.2rem 0.4rem;
            border-radius: 6px;
            font-family: 'Courier New', monospace;
            font-size: 0.85rem;
            color: #0f172a;
        }

        pre {
            background: #1e293b;
            color: #e2e8f0;
            padding: 1rem;
            border-radius: 0.75rem;
            overflow-x: auto;
            margin: 1rem 0;
            font-size: 0.85rem;
        }

        ul, ol {
            margin-left: 1.5rem;
            margin-bottom: 1rem;
        }

        li {
            margin-bottom: 0.3rem;
        }

        footer {
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid #e5e7eb;
            text-align: center;
            font-size: 0.85rem;
            color: #6b7280;
        }

        @media (max-width: 768px) {
            .grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .sidebar {
                position: relative;
                top: 0;
            }
            .content {
                padding: 1.5rem;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
        }