*{margin:0;padding:0;box-sizing:border-box}body{font-family:Arial,sans-serif;line-height:1.6;color:#333;background:#f5f7fa}.header{background:linear-gradient(135deg,#2c5aa0 0%,#1e3a8a 100%);color:#fff;padding:1rem 0;position:sticky;top:0;z-index:100;box-shadow:0 2px 10px rgba(0,0,0,.1)}.nav-container{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff!important}.logo-img{height:50px;width:auto}.nav-menu{display:flex;gap:30px;list-style:none}.nav-menu a{color:#fff;text-decoration:none;font-weight:500;transition:color .3s}.nav-menu a:hover{color:#60a5fa}.social-icons{display:flex;gap:20px}.social-icons a{color:#fff;font-size:1.5rem;text-decoration:none;transition:transform .3s}.social-icons a:hover{transform:scale(1.1)}.volver-link{display:flex;align-items:center;justify-content:center;margin:20px auto;max-width:280px;padding:10px 20px;background:#1d4ed8;color:#fff;text-decoration:none;border-radius:8px;font-weight:700;transition:background-color .3s,transform .3s}.volver-link:hover{background:#2563eb;transform:scale(1.02)}.volver-link span{font-size:1.2rem;margin-right:8px}.breadcrumbs{background:#f8fafc;padding:15px 0;border-bottom:1px solid #e5e7eb}.breadcrumbs-container{max-width:1200px;margin:0 auto;padding:0 20px}.breadcrumbs ol{list-style:none;display:flex;gap:10px}.breadcrumbs li{color:#64748b}.breadcrumbs a{color:#3b82f6;text-decoration:none}.footer{background:#1e293b;color:#fff;padding:60px 0 30px}.footer-container{max-width:1200px;margin:0 auto;padding:0 20px}.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:40px;margin-bottom:40px}.footer-section h4{font-size:1.2rem;margin-bottom:20px;color:#60a5fa}.footer-section ul{list-style:none}.footer-section ul li{margin-bottom:8px}.footer-section ul li a{color:#cbd5e1;text-decoration:none;transition:color .3s}.footer-section ul li a:hover{color:#fff}.footer-bottom{border-top:1px solid #374151;padding-top:30px;text-align:center;color:#9ca3af}.whatsapp-float{position:fixed;bottom:30px;right:30px;background:#25d366;color:#fff;border-radius:50px;padding:15px 25px;box-shadow:0 8px 25px rgba(37,211,102,.3);text-decoration:none;font-weight:700;font-size:1.1rem;z-index:1000;transition:all .3s;display:flex;align-items:center;gap:10px}.whatsapp-float:hover{background:#128c7e;transform:translateY(-3px);box-shadow:0 12px 35px rgba(37,211,102,.4)}.whatsapp-icon{font-size:1.5rem}@media (max-width:768px){.nav-menu,.social-icons{display:none}.logo-img{height:40px}}/* ESTILOS PARA MODALES Y ARTÍCULOS - AGREGAR AL FINAL */
.about-modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.7);z-index:2000}.modal-content{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#fff;padding:40px;border-radius:16px;max-width:600px;width:90%;text-align:center;max-height:80vh;overflow-y:auto}.modal-close{position:absolute;top:15px;right:20px;font-size:2rem;cursor:pointer;color:#666}.modal-content h3{color:#1e3a8a;margin-bottom:20px;font-size:1.8rem}.modal-content p{color:#64748b;font-size:1.1rem;line-height:1.6}.article-content{text-align:left;line-height:1.8}