/* Contenedor principal */
        .prefa-container {
            max-width: 1000px;
            margin: 0 auto;
        }
        
        /* Encabezado */
        .page-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }
        
        .page-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }
        
        .page-title i {
            color: var(--accent);
            margin-right: 0.75rem;
        }
        
        .page-subtitle {
            font-size: 1.1rem;
            color: #6c757d;
            max-width: 700px;
            margin: 0 auto;
        }
        
        /* Secciones */
        .section-card {
            background: var(--white);
            border-radius: 1.5rem;
            padding: 1.8rem 2rem;
            margin-bottom: 1.8rem;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
        }
        
        .section-card:hover {
            box-shadow: var(--shadow-md);
        }
        
        .section-header {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid var(--accent);
        }
        
        .section-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: var(--white);
            border-radius: 50%;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        
        .section-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0;
        }
        
        .section-title i {
            color: var(--accent);
            margin-right: 0.5rem;
        }
        
        .section-content {
            color: #4a5568;
            line-height: 1.7;
            font-size: 0.95rem;
        }
        
        .section-content p {
            margin-bottom: 0.8rem;
        }
        
        .section-content ul {
            padding-left: 1.5rem;
            margin-bottom: 0.8rem;
        }
        
        .section-content ul li {
            margin-bottom: 0.4rem;
        }
        
        /* Tarjetas de casos */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
            margin-top: 0.5rem;
        }
        
        .case-item {
            background: var(--light-gray);
            border-radius: 0.8rem;
            padding: 1rem 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.8rem;
            transition: all 0.3s ease;
        }
        
        .case-item:hover {
            background: rgba(0, 84, 145, 0.08);
            transform: translateY(-2px);
        }
        
        .case-item i {
            color: var(--accent);
            font-size: 1.3rem;
            width: 30px;
            text-align: center;
        }
        
        .case-item span {
            font-size: 0.9rem;
            font-weight: 500;
            color: #2d3748;
        }
        
        /* Preguntas frecuentes (accordion) */
        .faq-item {
            border: 1px solid var(--border-gray);
            border-radius: 0.8rem;
            margin-bottom: 0.8rem;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        
        .faq-item:hover {
            border-color: var(--accent);
        }
        
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 1.2rem;
            cursor: pointer;
            transition: all 0.3s ease;
            background: var(--white);
            user-select: none;
        }
        
        .faq-question:hover {
            background: rgba(0, 84, 145, 0.03);
        }
        
        .faq-question h5 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 0;
            flex: 1;
        }
        
        .faq-question .faq-icon {
            color: var(--accent);
            font-size: 1.1rem;
            transition: transform 0.3s ease;
            flex-shrink: 0;
            margin-left: 1rem;
        }
        
        .faq-question .faq-icon.rotated {
            transform: rotate(180deg);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.2rem;
            background: var(--light-gray);
        }
        
        .faq-answer.open {
            max-height: 300px;
            padding: 1rem 1.2rem;
        }
        
        .faq-answer p {
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
            color: #4a5568;
            line-height: 1.6;
        }
        
        .faq-answer ul {
            padding-left: 1.2rem;
            margin-bottom: 0;
        }
        
        .faq-answer ul li {
            font-size: 0.85rem;
            color: #4a5568;
            margin-bottom: 0.2rem;
        }
        
        /* Caja de información técnica */
        .info-box {
            background: linear-gradient(135deg, var(--primary) 0%, #003d66 100%);
            color: var(--white);
            border-radius: 1rem;
            padding: 1.5rem 1.8rem;
            margin-top: 0.5rem;
        }
        
        .info-box h4 {
            color: var(--white);
            font-size: 1rem;
            margin-bottom: 0.8rem;
        }
        
        .info-box h4 i {
            color: var(--accent);
            margin-right: 0.5rem;
        }
        
        .info-box ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .info-box ul li {
            padding: 0.4rem 0;
            padding-left: 1.8rem;
            position: relative;
            font-size: 0.9rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        
        .info-box ul li:last-child {
            border-bottom: none;
        }
        
        .info-box ul li::before {
            content: '▸';
            position: absolute;
            left: 0;
            color: var(--accent);
            font-weight: 700;
        }
        
        /* Botón de acceso */
        .btn-acceso {
            display: inline-flex;
            align-items: center;
            gap: 0.8rem;
            background: var(--accent);
            color: var(--white);
            padding: 0.8rem 2.2rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            transition: all 0.3s ease;
            text-decoration: none;
        }
        
        .btn-acceso:hover {
            background: var(--primary);
            color: var(--white);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        
        .btn-acceso i {
            font-size: 1.1rem;
        }
        
        .acceso-wrapper {
            text-align: center;
            margin-top: 0.5rem;
        }
        
        .acceso-wrapper p {
            color: #6c757d;
            font-size: 0.85rem;
            margin-bottom: 1rem;
        }
        
        /* Footer */
        footer {
            background: var(--white);
            margin-top: 2rem;
            padding: 1.5rem 0;
            text-align: center;
            color: #6c757d;
            font-size: 0.8rem;
            border-top: 1px solid var(--border-gray);
        }
        
        .pt-spacer {
            padding-top: 76px;
        }
        
        /* Responsive */
        @media (max-width: 768px) {
            .page-title {
                font-size: 1.6rem;
            }
            
            .section-card {
                padding: 1.2rem 1.2rem;
            }
            
            .cases-grid {
                grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            }
            
            .faq-question h5 {
                font-size: 0.85rem;
            }
            
            .info-box {
                padding: 1.2rem;
            }
            
            .btn-acceso {
                padding: 0.6rem 1.5rem;
                font-size: 0.9rem;
            }
        }
        
        @media (max-width: 480px) {
            .section-number {
                width: 30px;
                height: 30px;
                font-size: 0.75rem;
            }
            
            .section-title {
                font-size: 1.1rem;
            }
            
            .cases-grid {
                grid-template-columns: 1fr 1fr;
            }
            
            .case-item {
                padding: 0.6rem 0.8rem;
                font-size: 0.8rem;
            }
        }