#portadaScreen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(135deg,#6bb6ff,#8fd4ff);animation:portadaFadeIn .8s ease-in}@keyframes portadaFadeIn{0%{opacity:0}to{opacity:1}}.portada-container{max-width:800px;width:100%;text-align:center;animation:portadaSlideUp 1s ease-out}@keyframes portadaSlideUp{0%{transform:translateY(30px);opacity:0}to{transform:translateY(0);opacity:1}}.portada-logo-wrapper{display:flex;justify-content:center;align-items:center;margin-bottom:40px;animation:portadaLogoFloat 3s ease-in-out infinite}@keyframes portadaLogoFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.portada-logo-img{width:100%;max-width:680px;height:auto;filter:drop-shadow(0 10px 25px rgba(0,0,0,.35))}.portada-title{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;font-size:4.5em;font-weight:800;color:#fff;margin-bottom:20px;text-shadow:0 4px 6px rgba(0,0,0,.3);letter-spacing:-1px}.portada-subtitle{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;font-size:1.6em;color:#ffffffe6;margin-bottom:15px;text-transform:uppercase;letter-spacing:3px;font-weight:400}.portada-description{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;font-size:1.3em;color:#ffffffd9;margin-bottom:40px;line-height:1.6;max-width:650px;margin-left:auto;margin-right:auto}.portada-features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:50px;max-width:700px;margin-left:auto;margin-right:auto}.portada-feature-card{background:linear-gradient(135deg,#e8e8e8,#d0d0d0);border-radius:15px;padding:25px;border:1px solid rgba(255,255,255,.3);transition:all .3s ease;box-shadow:0 4px 15px #00000026}.portada-feature-card:hover{transform:translateY(-5px);background:linear-gradient(135deg,#f0f0f0,#d8d8d8);box-shadow:0 10px 30px #00000040}.portada-feature-icon{font-size:3em;margin-bottom:10px}.portada-feature-title{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;color:#2d5f8d;font-weight:600;margin-bottom:8px;font-size:1.1em}.portada-feature-text{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;color:#555;font-size:.9em;line-height:1.4}.portada-cta-text{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;font-size:1.5em;color:#fff;margin-bottom:30px;font-weight:600;text-shadow:0 2px 4px rgba(0,0,0,.2);letter-spacing:.5px}.portada-btn{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:#fff;color:#3a7bc8;border:none;padding:20px 60px;font-size:1.3em;font-weight:700;border-radius:50px;cursor:pointer;box-shadow:0 8px 25px #0003;transition:all .3s ease;text-transform:uppercase;letter-spacing:2px}.portada-btn:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 12px 35px #0000004d;background:linear-gradient(135deg,#f0f8ff,#e6f2ff)}.portada-btn:active{transform:translateY(-1px) scale(1.02)}@media(max-width:768px){.portada-title{font-size:3em}.portada-subtitle{font-size:1.2em}.portada-features-grid{grid-template-columns:1fr}.portada-btn{padding:18px 40px;font-size:1.1em}}