html{scroll-behavior:smooth}@keyframes hackathon-glow{0%,to{box-shadow:0 0 20px #f9731680}50%{box-shadow:0 0 40px #f97316cc}}@keyframes hackathon-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes hackathon-float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes hackathon-shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.hackathon-banner-glow{animation:hackathon-glow 3s ease-in-out infinite}.hackathon-pulse{animation:hackathon-pulse 2s ease-in-out infinite}.hackathon-float{animation:hackathon-float 6s ease-in-out infinite}.hackathon-button{position:relative;overflow:hidden}.hackathon-button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left .6s}.hackathon-button:hover:before{left:100%}@keyframes hackathon-gradient{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}.hackathon-gradient-text{background-size:200% 200%;animation:hackathon-gradient 4s ease infinite}@media (max-width: 640px){.hackathon-mobile-text{font-size:clamp(1.5rem,8vw,2.5rem);line-height:1.2}.hackathon-mobile-button{padding:1rem 2rem;font-size:1rem}.hackathon-mobile-stats{grid-template-columns:repeat(2,1fr);gap:1rem}}@media (min-width: 641px) and (max-width: 768px){.hackathon-tablet-text{font-size:clamp(2rem,6vw,3rem)}.hackathon-tablet-button{padding:1.25rem 2.5rem;font-size:1.125rem}}@media (min-width: 769px){.hackathon-desktop-text{font-size:clamp(2.5rem,5vw,4rem)}.hackathon-desktop-button{padding:1.5rem 3rem;font-size:1.25rem}}.hackathon-bg-particle{position:absolute;border-radius:50%;pointer-events:none}.hackathon-bg-particle:nth-child(1){animation:hackathon-float 8s ease-in-out infinite}.hackathon-bg-particle:nth-child(2){animation:hackathon-float 6s ease-in-out infinite reverse;animation-delay:1s}.hackathon-bg-particle:nth-child(3){animation:hackathon-float 10s ease-in-out infinite;animation-delay:2s}.hackathon-bg-particle:nth-child(4){animation:hackathon-float 7s ease-in-out infinite reverse;animation-delay:.5s}@keyframes hackathon-count-up{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.hackathon-stat{animation:hackathon-count-up .8s ease-out}.hackathon-stat:nth-child(1){animation-delay:.1s}.hackathon-stat:nth-child(2){animation-delay:.2s}.hackathon-stat:nth-child(3){animation-delay:.3s}.hackathon-stat:nth-child(4){animation-delay:.4s}@keyframes hackathon-badge-bounce{0%,20%,50%,80%,to{transform:translateY(0)}40%{transform:translateY(-10px)}60%{transform:translateY(-5px)}}.hackathon-badge{animation:hackathon-badge-bounce 2s ease-in-out infinite}@keyframes hackathon-wave{0%{transform:translate(0)}50%{transform:translate(-25%)}to{transform:translate(-50%)}}.hackathon-wave{animation:hackathon-wave 10s ease-in-out infinite}.hackathon-button-glow{box-shadow:0 0 20px #f9731680;transition:box-shadow .3s ease}.hackathon-button-glow:hover{box-shadow:0 0 30px #f97316cc}.hackathon-responsive-title{font-size:clamp(2rem,8vw,4rem);line-height:1.1;font-weight:900}.hackathon-responsive-subtitle{font-size:clamp(1rem,4vw,1.5rem);line-height:1.4}.hackathon-responsive-description{font-size:clamp(1rem,3vw,1.25rem);line-height:1.6}.hackathon-interactive{transition:all .3s cubic-bezier(.4,0,.2,1)}.hackathon-interactive:hover{transform:translateY(-2px)}.hackathon-interactive:active{transform:translateY(0)}@keyframes hackathon-reveal{0%{opacity:0;transform:translateY(50px)}to{opacity:1;transform:translateY(0)}}.hackathon-reveal{animation:hackathon-reveal 1s ease-out}.hackathon-gradient-border{position:relative;background:linear-gradient(45deg,#f97316,#ef4444,#ec4899,#8b5cf6);background-size:400% 400%;animation:hackathon-gradient 4s ease infinite}.hackathon-gradient-border:before{content:"";position:absolute;top:2px;right:2px;bottom:2px;left:2px;background:inherit;border-radius:inherit;background:#1e293b}