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rgba(255,255,255,.2);border-radius:50%;width:28px;height:28px;cursor:pointer;font-size:.85rem;display:flex;align-items:center;justify-content:center;transition:background .25s,transform .2s;padding:0}.feedback-btn:hover:not(:disabled){background:#ffffff26;transform:scale(1.15)}.feedback-btn:disabled{opacity:.4;cursor:not-allowed}.tech-grid-container{width:100%;padding:20px 0}.tech-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:30px;justify-items:center;align-items:center}.tech-icon{width:140px;height:140px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:15px;background:#ffffff0d;border-radius:12px;border:1px solid rgba(255,255,255,.1);box-shadow:0 4px 6px #0000004d;transition:all .4s cubic-bezier(.175,.885,.32,1.275)}.tech-icon:hover{transform:translateY(-10px) scale(1.1);background:#ffffff1a;box-shadow:0 15px 25px #00000080;border-color:#ffffff4d}.tech-icon i{font-size:3.5rem;filter:drop-shadow(0px 4px 6px rgba(0,0,0,.5));transition:transform .4s ease}.tech-icon:hover i{transform:scale(1.1) rotate(5deg)}.tech-icon span{color:var(--color-blanco);font-size:.95rem;font-weight:600;letter-spacing:1px}.fadeIn{animation:fadeInAnimation 1s ease-in-out}@keyframes fadeInAnimation{0%{opacity:0}to{opacity:1}}.hero-subtitle{font-size:1.8rem}@media(max-width:768px){.hero-section h1{font-size:2.2rem}.hero-subtitle{font-size:1.1rem}.navbar-nav{flex-direction:column;align-items:center}.line{display:none}.nav-item{margin:10px 0}.hero-section{padding:60px 0}.scroll-up-arrow{width:40px;height:40px}.scroll-up-arrow svg{width:20px;height:20px}.chat-window{width:80%}}@media(max-width:576px){.navbar-brand{font-size:1.2rem}.hero-section h1{font-size:2rem}.hero-section p{font-size:1.2rem}.proyectos-section .card-img-top{height:200px}}