.mobile-bottom-menu{display:none;position:fixed;bottom:0;left:0;right:0;z-index:1000;background:linear-gradient(135deg,#1e1e1e 0%,#2a2a2a 100%);border-top:1px solid rgba(255,255,255,0.1);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 -4px 20px rgba(0,0,0,0.3)}@media(max-width:768px){.mobile-bottom-menu{display:block !important}body{padding-bottom:80px}}.bottom-nav{display:flex;justify-content:space-around;align-items:center;padding:8px 8px 12px 8px;max-width:100%}.nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:8px 8px;border-radius:12px;text-decoration:none;color:#888;transition:all 0.3s cubic-bezier(0.4,0,0.2,1);position:relative;min-width:52px;background:transparent;flex:1;max-width:70px}.nav-item:hover,.nav-item:focus{color:#00c3ff;background:rgba(0,195,255,0.1);transform:translateY(-2px)}.nav-item.active{color:#00c3ff;background:rgba(0,195,255,0.15);box-shadow:0 4px 12px rgba(0,195,255,0.2)}.nav-item.active::before{content:'';position:absolute;top:-1px;left:50%;transform:translateX(-50%);width:40px;height:3px;background:linear-gradient(90deg,#00c3ff 0%,#0099cc 100%);border-radius:0 0 3px 3px}.nav-icon{width:24px;height:24px;margin-bottom:4px;display:flex;align-items:center;justify-content:center;transition:all 0.3s ease}.nav-item:hover .nav-icon,.nav-item.active .nav-icon{transform:scale(1.1)}.nav-icon svg{width:100%;height:100%;stroke-width:2;transition:all 0.3s ease}.nav-label{font-size:10px;font-weight:500;text-align:center;line-height:1.2;transition:all 0.3s ease;opacity:0.9}.nav-item:hover .nav-label,.nav-item.active .nav-label{opacity:1;font-weight:600}.nav-item:active{transform:translateY(0) scale(0.95);transition:transform 0.1s ease}.nav-item[href*="secciones"]:hover,.nav-item[href*="secciones"].active{color:#ff6b6b;background:rgba(255,107,107,0.1)}.nav-item[href*="secciones"].active::before{background:linear-gradient(90deg,#ff6b6b 0%,#ff5252 100%)}.nav-item[href*="videos"]:hover,.nav-item[href*="videos"].active{color:#4ecdc4;background:rgba(78,205,196,0.1)}.nav-item[href*="videos"].active::before{background:linear-gradient(90deg,#4ecdc4 0%,#26a69a 100%)}.nav-item[href*="giras"]:hover,.nav-item[href*="giras"].active{color:#ffa726;background:rgba(255,167,38,0.1)}.nav-item[href*="giras"].active::before{background:linear-gradient(90deg,#ffa726 0%,#ff9800 100%)}.nav-item.whatsapp-item:hover,.nav-item.whatsapp-item:focus{color:#25d366;background:rgba(37,211,102,0.1);transform:translateY(-2px)}.nav-item.whatsapp-item:hover .nav-icon{transform:scale(1.15)}@keyframes whatsappPulse{0%{transform:scale(1)}50%{transform:scale(1.05)}100%{transform:scale(1)}}.nav-item.whatsapp-item:active{animation:whatsappPulse 0.3s ease}@keyframes slideUpMenu{from{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}.mobile-bottom-menu{animation:slideUpMenu 0.4s cubic-bezier(0.4,0,0.2,1)}@media(max-width:360px){.bottom-nav{padding:6px 4px 10px 4px}.nav-item{padding:6px 4px;min-width:45px;max-width:60px}.nav-icon{width:20px;height:20px}.nav-label{font-size:9px}}@media(max-width:768px){.main-content,.center-column,.container{margin-bottom:20px}footer{margin-bottom:0px}}@media(prefers-color-scheme:dark){.mobile-bottom-menu{background:linear-gradient(135deg,#0a0a0a 0%,#1a1a1a 100%);border-top-color:rgba(255,255,255,0.05)}}@media(hover:none) and (pointer:coarse){.nav-item:active{animation:tapFeedback 0.2s ease}}@keyframes tapFeedback{0%{transform:scale(1)}50%{transform:scale(0.95)}100%{transform:scale(1)}}