/* ============================================================================
   Estilos extraídos de kdd-gravel-2025.html (P0.2 cleanup)
   Movidos del <style> inline al external stylesheet el 2026-08-16.
   ============================================================================ */


        /* Layout en dos columnas mejorado */
        .two-column-layout {
            display: grid;
            grid-template-columns: 400px 1fr;
            gap: 3rem;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }
        
        /* Columna izquierda - Sticky */
        .left-column {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        
        /* Tarjetas de información clave */
        .info-card-compact {
            background: white;
            border-radius: 16px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .info-card-compact:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(0,0,0,0.12);
        }
        
        .info-card-header {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 2px solid #f0f0f0;
        }
        
        .info-icon {
            font-size: 2.5rem;
            flex-shrink: 0;
        }
        
        .info-card-title {
            color: #2c5530;
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0;
        }
        
        .info-detail {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.75rem 0;
            border-bottom: 1px solid #f5f5f5;
        }
        
        .info-detail:last-child {
            border-bottom: none;
        }
        
        .info-detail-icon {
            font-size: 1.3rem;
            width: 30px;
            text-align: center;
            flex-shrink: 0;
        }
        
        .info-detail-content {
            flex: 1;
        }
        
        .info-detail-label {
            font-size: 0.85rem;
            color: #666;
            margin-bottom: 0.2rem;
        }
        
        .info-detail-value {
            font-size: 1.05rem;
            font-weight: 600;
            color: #333;
            margin: 0;
        }
        
        /* Columna derecha */
        .right-column {
            min-width: 0;
        }
        
        .content-section {
            background: white;
            border-radius: 16px;
            padding: 2.5rem;
            margin-bottom: 2rem;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        }
        
        .content-section h3 {
            color: #2c5530;
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        
        .content-section p {
            color: #555;
            line-height: 1.8;
            font-size: 1.05rem;
            margin-bottom: 1rem;
        }
        
        /* Alertas destacadas */
        .alert-box {
            padding: 1.5rem;
            border-radius: 12px;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: start;
            gap: 1rem;
        }
        
        .alert-warning {
            background: linear-gradient(135deg, #ffeaa7 0%, #fdcb6e 100%);
            border-left: 4px solid #f39c12;
        }
        
        .alert-info {
            background: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%);
            border-left: 4px solid #0984e3;
        }
        
        .alert-icon {
            font-size: 2rem;
            flex-shrink: 0;
        }
        
        .alert-content h4 {
            margin: 0 0 0.5rem 0;
            font-size: 1.1rem;
        }
        
        .alert-content p {
            margin: 0;
            font-size: 1rem;
            line-height: 1.6;
        }
        
        .alert-warning h4,
        .alert-warning p {
            color: #856404;
        }
        
        .alert-info h4,
        .alert-info p {
            color: white;
        }
        
        /* CTA Button dentro de alert */
        .cta-button {
            display: inline-block;
            background: white;
            color: #0984e3;
            padding: 0.875rem 2rem;
            text-decoration: none;
            border-radius: 10px;
            font-weight: 700;
            font-size: 1rem;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
            margin-top: 1rem;
        }
        
        .cta-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0,0,0,0.3);
        }
        
        /* Lista de beneficios */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
            margin-top: 1.5rem;
        }
        
        .benefit-item {
            display: flex;
            align-items: start;
            gap: 1rem;
            padding: 1rem;
            background: #f8f9fa;
            border-radius: 12px;
            transition: all 0.3s;
        }
        
        .benefit-item:hover {
            background: #e9ecef;
            transform: translateX(5px);
        }
        
        .benefit-icon {
            font-size: 1.8rem;
            flex-shrink: 0;
        }
        
        .benefit-text h5 {
            color: #2c5530;
            font-size: 1rem;
            margin: 0 0 0.25rem 0;
        }
        
        .benefit-text p {
            color: #666;
            font-size: 0.9rem;
            margin: 0;
            line-height: 1.4;
        }
        
        /* Responsive */
        @media (max-width: 968px) {
            .two-column-layout {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            
            .left-column {
                position: relative;
                top: 0;
            }
            
            .benefits-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 768px) {
            .two-column-layout {
                padding: 0 1rem;
            }
            
            .content-section {
                padding: 1.5rem;
            }
            
            .info-card-compact {
                padding: 1.25rem;
            }
        }

        /* Newsletter KDD: apilar en móvil pequeño (checklist responsive) */
        @media (max-width: 480px) {
            #newsletterForm > div {
                flex-direction: column;
            }

            #newsletterForm .newsletter-btn,
            #newsletterForm button[type="submit"] {
                width: 100%;
                justify-content: center;
            }
        }