.bg{background-blend-mode:lighten;background-color:#ffffff80;background-image:url(../media/ai2_bg.5f5b0ea2.png);background-repeat:no-repeat;background-size:cover;background-attachment:scroll}.ticket-button{font-family:var(--system-font);background:var(--gradient-b2);color:#fff;cursor:pointer;border-radius:10px;margin:1rem 0;padding:1rem 2.2rem;font-weight:200;transition:opacity .2s ease-in-out,transform .2s ease-in-out}.ticket-button:hover{opacity:.9;transform:scale(1.05)}.leaderboard-button{font-family:var(--system-font);color:#6a66f5;cursor:pointer;background:linear-gradient(135deg,#6a66f51a,#6a66f533);border:2px solid #6a66f54d;border-radius:10px;margin:1rem 0;padding:1rem 2.2rem;font-size:1rem;font-weight:200;transition:opacity .2s ease-in-out,transform .2s ease-in-out}.leaderboard-button:hover{opacity:.9;background:linear-gradient(135deg,#6a66f533,#6a66f54d);border-color:#6a66f580;transform:scale(1.05)}.gradient-text{background:var(--gradient-bl1);-webkit-text-fill-color:transparent;font-family:var(--system-font);-webkit-background-clip:text;background-clip:text}.ai2-h1{composes:gradient-text;text-align:center;text-shadow:5px 5px 8px #0003;font-size:2.5rem;font-weight:700}.ai2-h2{font-size:1.5rem}.hero-section{padding:calc(5.5rem + env(safe-area-inset-top))2.5rem 4rem 2.5rem;padding-top:calc(5.5rem + constant(safe-area-inset-top));text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:45vh;margin:0 auto;display:flex;position:relative}.hero-title{composes:gradient-text;margin:0;font-size:3rem;font-weight:700}.hero-subtitle{color:#111827;font-size:1rem;font-weight:200;font-family:var(--system-font);padding:0 15rem}.hero-subtitle-gradient{background:-webkit-linear-gradient(#1e19b1,#0d0a4b);-webkit-text-fill-color:transparent;font-size:1rem;font-weight:400;font-family:var(--system-font);-webkit-background-clip:text;margin-top:5px;padding:0 12rem}.intro-section{max-width:1000px;margin:0 auto;display:flex}.intro p{composes:gradient-text;margin-top:10px;padding:0 8rem;font-size:1rem}.how-it-works{flex-direction:column;align-items:center;max-width:500px;margin:0 auto;padding:4rem 2.5rem;display:flex}.how-it-works-h3,.how-it-works-p{composes:gradient-text;font-weight:700}.how-it-works-h3{font-size:20px}.how-it-works-p{font-size:15px}.whats-new-title{color:#000;font-size:2.5rem;font-weight:700;font-family:var(--system-font);text-align:center;margin-bottom:2rem;margin-left:0}.whats-new-card{box-sizing:border-box;background:#fff;border:2px solid #ddd;border-radius:8px;flex-direction:column;width:240px;margin:10px;padding:20px;transition:transform .3s,box-shadow .3s;display:flex}.whats-new-card:hover{transform:scale(1.05);box-shadow:0 10px 20px #0003}.speakers-section-subtitle{text-align:center;color:#222;margin:2rem 0 1.5rem;font-size:1.5rem;font-weight:600}@keyframes fadeInUp{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}.timeline-card{opacity:0;animation:.7s forwards fadeInUp}.timeline-card.delay-1{animation-delay:.2s}.timeline-card.delay-2{animation-delay:.5s}.timeline-card.delay-3{animation-delay:.8s}@media (max-width:768px){.bg{background-color:#ffffffe6}.hero-subtitle,.hero-subtitle-gradient{padding:0 1rem;font-size:.9rem}.hero-section{padding:calc(7rem + env(safe-area-inset-top))1rem 3rem 1rem;padding-top:calc(7rem + constant(safe-area-inset-top))}.hero-title{font-size:2.25rem;line-height:1.15}.ai2-h1{font-size:2rem}.intro p{padding:0 2rem}.whats-new-title,.timeline-section-title{text-align:center;margin-left:0}.timeline-section{background:radial-gradient(circle,#fff 0%,#fff0 80%)}}.leaderboard-container{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffffe6;border-radius:16px;max-width:600px;margin:0 auto;padding:2rem;box-shadow:0 8px 32px #1e19b11a}.leaderboard-title{background:var(--gradient-bl1);-webkit-text-fill-color:transparent;text-align:center;-webkit-background-clip:text;background-clip:text;margin-bottom:1.5rem;font-size:2rem;font-weight:700}.leaderboard-grid{flex-direction:column;gap:.75rem;display:flex}.leaderboard-row{background:linear-gradient(135deg,#fffc,#fff6);border:1px solid #6a66f51a;border-radius:12px;align-items:center;padding:1rem 1.5rem;transition:all .3s;display:flex;box-shadow:0 2px 8px #0000000d}.leaderboard-row:hover{border-color:#6a66f54d;transform:translateY(-2px);box-shadow:0 4px 16px #6a66f526}.rank-badge{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:50px;height:50px;margin-right:1rem;font-size:1.1rem;font-weight:700;display:flex;box-shadow:0 2px 8px #0000001a}.participant-info{flex-direction:column;flex:1;gap:.25rem;display:flex}.participant-name{color:#1f2937;-webkit-text-fill-color:transparent;background:linear-gradient(135deg,#1e19b1,#6a66f5);-webkit-background-clip:text;background-clip:text;font-size:1.1rem;font-weight:600}.participant-elo{color:#6b7280;align-items:center;gap:.5rem;font-size:.9rem;font-weight:500;display:flex}.participant-elo:before{content:"⚡";font-size:.8rem}.leaderboard-loading{color:#6b7280;flex-direction:column;justify-content:center;align-items:center;padding:2rem;display:flex}.loading-spinner{border:4px solid #6a66f51a;border-top-color:#6a66f5;border-radius:50%;width:40px;height:40px;margin-bottom:1rem;animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.leaderboard-error{text-align:center;color:#ef4444;padding:2rem}.error-details{color:#9ca3af;margin-top:.5rem;font-size:.875rem}.no-participants{text-align:center;color:#6b7280;padding:2rem;font-style:italic}@media (max-width:768px){.leaderboard-container{margin:0 1rem;padding:1.5rem}.leaderboard-title{font-size:1.5rem}.leaderboard-row{padding:.75rem 1rem}.rank-badge{width:40px;height:40px;font-size:1rem}.participant-name{font-size:1rem}}