:root{--accent:#262fb5;--accent-dark:#1a2180;--gradient-start:#262fb5;--gradient-end:#74c8fa;--highlight:#74c8fa}@font-face{font-family:inter;src:url(../fonts/Inter/Inter-VariableFont_slnt,wght.ttf)format("truetype");font-display:swap}*,*::before,*::after{box-sizing:border-box}body{font-family:inter,system-ui,sans-serif;color:#333;background:#fff;margin:0;-webkit-font-smoothing:antialiased}img{max-width:100%}a{color:var(--accent);text-decoration:none;transition:color 150ms ease}a:hover{color:var(--accent-dark);text-decoration:underline}h1,h2,h3,h4,h5,h6{font-family:inter,system-ui,sans-serif;color:#333}.section-label{font-size:.75rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:.5rem}.gradient-text{background:linear-gradient(135deg,var(--gradient-start),var(--gradient-end));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.btn-accent{display:inline-block;padding:.65rem 1.5rem;background:var(--accent);color:#fff!important;border-radius:.375rem;font-weight:600;font-size:.95rem;text-decoration:none;transition:background 150ms ease,transform 150ms ease;border:none}.btn-accent:hover{background:var(--accent-dark);color:#fff!important;text-decoration:none;transform:translateY(-1px)}.btn-outline-accent{display:inline-block;padding:.6rem 1.4rem;border:2px solid var(--accent);color:var(--accent)!important;border-radius:.375rem;font-weight:600;font-size:.95rem;text-decoration:none;transition:all 150ms ease}.btn-outline-accent:hover{background:var(--accent);color:#fff!important;text-decoration:none}.chip{display:inline-flex;align-items:center;gap:.35rem;padding:.3rem .75rem;border-radius:2rem;background:#f0f0f0;color:#555;font-size:.8rem;font-weight:500;text-decoration:none}.chip:hover{background:#e0e0e0;color:#333;text-decoration:none}.chip i{font-size:.9rem}.site-nav{position:sticky;top:0;z-index:1000;background:#fffe;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid rgba(0,0,0,6%)}.site-nav .container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.navbar-brand{display:flex;align-items:center;gap:.5rem;font-weight:700;font-size:1rem;color:#333!important;text-decoration:none}.navbar-brand .brand-separator{color:#777;font-weight:300}.navbar-brand .brand-event{background:linear-gradient(135deg,var(--gradient-start),var(--gradient-end));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.navbar-nav .nav-link{color:#555;font-size:.9rem;font-weight:500;padding:.5rem .75rem;border-radius:.25rem;transition:background 150ms ease,color 150ms ease}.navbar-nav .nav-link:hover{color:#000;background:#f0f0f0}.nav-cta{background:var(--accent);color:#fff!important;border-radius:.375rem;padding:.4rem 1rem!important;font-weight:600;margin-left:.5rem}.nav-cta:hover{background:var(--accent-dark)!important;color:#fff!important}@media(max-width:991px){.site-nav{position:fixed!important;background:0 0!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important;border-bottom:none!important;transition:background 250ms ease,backdrop-filter 250ms ease}.site-nav.nav--scrolled{background:rgba(10,10,26,.92)!important;backdrop-filter:blur(8px)!important;-webkit-backdrop-filter:blur(8px)!important}.navbar{flex-wrap:nowrap}.navbar-brand{opacity:0;pointer-events:none;transition:opacity 250ms ease;color:#fff!important}.navbar-brand span:not(.brand-event){color:#fff!important}.navbar-brand .brand-separator{color:rgba(255,255,255,.5)!important;-webkit-text-fill-color:rgba(255,255,255,.5)!important}.nav--scrolled .navbar-brand{opacity:1;pointer-events:auto}.navbar-toggler{border:none!important;margin-left:auto;flex-shrink:0}.navbar-toggler .navbar-toggler-icon{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255%2c255%2c255%2c0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e")}.navbar-collapse{position:absolute;top:100%;left:0;right:0;width:100%}.navbar-collapse.show,.navbar-collapse.collapsing{background:rgba(10,10,26,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-radius:0 0 .75rem .75rem;padding:.5rem 1rem 1rem}.navbar-nav .nav-link{color:rgba(255,255,255,.85)!important}.navbar-nav .nav-link:hover{color:#fff!important;background:rgba(255,255,255,8%)}.nav-cta{margin-left:0!important;margin-top:.5rem;display:inline-block}}.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;color:#fff}.hero__bg{position:absolute;inset:0;background-color:#0a0a1a}.hero__bg img,.hero__bg video{width:100%;height:100%;object-fit:cover;opacity:.45}.hero__overlay{position:absolute;inset:0;background:linear-gradient(160deg,rgba(10,10,26,.55) 0%,rgba(10,10,26,.35) 100%)}.hero__content{position:relative;z-index:1;text-align:center;padding:2rem 1.5rem;max-width:1200px;width:100%}.hero__series{font-size:.8rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;opacity:.7;margin-bottom:1rem}.hero__title{font-size:clamp(2.5rem,8vw,5.5rem);font-weight:800;letter-spacing:-.03em;line-height:1;margin-bottom:1.5rem;background:linear-gradient(135deg,var(--gradient-start),var(--gradient-end));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.hero__meta{font-size:clamp(1rem,2.5vw,1.5rem);font-weight:400;opacity:.85;margin-bottom:.5rem}.hero__tagline{font-size:clamp(.9rem,1.8vw,1.15rem);font-weight:300;opacity:.7;max-width:600px;margin:1.5rem auto 2.5rem;line-height:1.6}.hero__actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.hero__swirl{position:absolute;bottom:10%;left:0;width:100%;max-width:none;opacity:.5;pointer-events:none;transform:none}.hero__scroll{position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);opacity:.5;animation:bounce 2s infinite;color:#fff;font-size:1.5rem}@keyframes bounce{0%,100%{transform:translateX(-50%)translateY(0)}50%{transform:translateX(-50%)translateY(6px)}}.section{padding:5rem 1.5rem}.section--alt{background:#f0f0f0}.section .section-inner{max-width:1200px;margin:0 auto}.section .section-header{margin-bottom:3rem}.section .section-title{font-size:clamp(1.75rem,3vw,2.5rem);font-weight:700;color:#333}.section .section-body{font-size:1.05rem;color:#555;line-height:1.75;max-width:700px}.facts-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem}.fact-card{background:#fff;border-radius:.75rem;padding:1.75rem;border:1px solid #e0e0e0;transition:box-shadow 200ms ease}.fact-card:hover{box-shadow:0 4px 20px rgba(0,0,0,7%)}.fact-card__icon{font-size:1.75rem;margin-bottom:1rem;color:var(--accent)}.fact-card__label{font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#777;margin-bottom:.4rem}.fact-card__value{font-size:1.1rem;font-weight:600;color:#333;margin-bottom:.75rem}.workstreams-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.25rem}.workstream-card{background:#fff;border-radius:.75rem;padding:1.5rem;border:1px solid #e0e0e0;border-top:3px solid var(--accent);transition:box-shadow 200ms ease,transform 200ms ease}.workstream-card:hover{box-shadow:0 4px 20px rgba(0,0,0,8%);transform:translateY(-2px)}.workstream-card__title{font-size:1.05rem;font-weight:700;color:#333;margin-bottom:.5rem}.workstream-card__desc{font-size:.875rem;color:#555;line-height:1.55;margin-bottom:1rem}.workstream-card__lead{display:flex;align-items:center;gap:.5rem;font-size:.8rem;color:#777}.workstream-card__lead img{width:24px;height:24px;border-radius:50%;object-fit:cover}.schedule-tabs{display:flex;gap:.5rem;margin-bottom:2rem;flex-wrap:wrap}.schedule-tab{padding:.45rem 1rem;border-radius:2rem;font-size:.875rem;font-weight:600;border:2px solid #e0e0e0;background:0 0;color:#555;cursor:pointer;transition:all 150ms ease}.schedule-tab:hover,.schedule-tab.active{border-color:var(--accent);color:var(--accent);background:rgba(0,0,0,2%)}.schedule-day{display:none}.schedule-day.active{display:block}.schedule-item{display:grid;grid-template-columns:4.5rem 1fr;gap:1rem;align-items:start;padding:.75rem 0;border-bottom:1px solid #e0e0e0}.schedule-item:last-child{border-bottom:none}.schedule-item__time{font-size:.8rem;font-weight:600;color:#777;padding-top:.1rem;white-space:nowrap}.schedule-item__body{display:flex;align-items:center;gap:.6rem}.schedule-item__title{font-size:.9rem;color:#333;font-weight:500}.schedule-item__badge{font-size:.65rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;padding:.15rem .45rem;border-radius:.25rem;white-space:nowrap}.schedule-item__badge--hack{background:rgba(var(--accent),.12);color:var(--accent);background:#eef0ff;color:#3742c8}.schedule-item__badge--talk{background:#f0faf4;color:#2e7d52}.schedule-item__badge--break{background:#faf5f0;color:#8b5e3c}.schedule-item__badge--social{background:#f5f0fa;color:#7c3aed}.schedule-item__badge--logistics{background:#f0f0f0;color:#555}.organiser-group{margin-bottom:2.5rem}.organiser-group__name{font-size:.75rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#777;margin-bottom:1.25rem;padding-bottom:.5rem;border-bottom:1px solid #e0e0e0}.organisers-grid{display:flex;flex-wrap:wrap;gap:1rem}.organiser-card{display:flex;align-items:center;gap:.75rem;background:#fff;border:1px solid #e0e0e0;border-radius:.5rem;padding:.75rem 1rem;min-width:200px;text-decoration:none;color:inherit;transition:box-shadow 150ms ease}.organiser-card:hover{box-shadow:0 2px 12px rgba(0,0,0,7%);text-decoration:none;color:inherit}.organiser-card__avatar{width:40px;height:40px;border-radius:50%;object-fit:cover;background:#e0e0e0;flex-shrink:0}.organiser-card__name{font-size:.875rem;font-weight:600;color:#333}.organiser-card__affiliation{font-size:.75rem;color:#777}.partners-sponsors-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem}.partners-grid{display:flex;flex-wrap:wrap;gap:2rem;align-items:center;justify-content:flex-start}.partner-item{display:flex;flex-direction:column;align-items:center;gap:.5rem;text-decoration:none;color:inherit;max-width:160px;text-align:center}.partner-item img{height:60px;object-fit:contain;filter:grayscale(20%);transition:filter 200ms ease}.partner-item:hover img{filter:grayscale(0%);text-decoration:none}.partner-item__blurb{font-size:.75rem;color:#555;line-height:1.4}.sponsors-grid{display:flex;flex-wrap:wrap;gap:2.5rem;align-items:center;justify-content:flex-start}.sponsor-item{display:flex;align-items:center;text-decoration:none}.sponsor-item img{height:50px;object-fit:contain;filter:grayscale(30%);transition:filter 200ms ease}.sponsor-item:hover img{filter:grayscale(0%)}.contact-links{display:flex;flex-wrap:wrap;gap:1rem;margin-top:1.5rem}.contact-link{display:flex;align-items:center;gap:.5rem;padding:.65rem 1.25rem;border:1px solid #e0e0e0;border-radius:.5rem;color:#333;font-size:.9rem;font-weight:500;text-decoration:none;background:#fff;transition:all 150ms ease}.contact-link i{font-size:1rem;color:var(--accent)}.contact-link__logo{width:1.1rem;height:1.1rem;object-fit:contain;flex-shrink:0}.contact-link:hover{border-color:var(--accent);color:var(--accent);text-decoration:none;box-shadow:0 2px 10px rgba(0,0,0,6%)}.site-footer{background:#f0f0f0;color:#333;padding:2.5rem 1.5rem;font-size:.85rem}.site-footer .footer-inner{max-width:1200px;margin:0 auto;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem}.site-footer a{color:#333}.site-footer a:hover{color:var(--accent)}.site-footer .footer-links{display:flex;gap:1.5rem;flex-wrap:wrap}.skip-link{position:absolute;top:-100%;left:1rem;background:var(--accent);color:#fff;padding:.5rem 1rem;border-radius:0 0 .375rem .375rem;font-weight:600;z-index:9999;text-decoration:none}.skip-link:focus{top:0}@media(max-width:50rem){.hero{min-height:100svh}.hero__title{font-size:clamp(2rem,12vw,3.5rem)}.section{padding:3rem 1.25rem}.facts-grid{grid-template-columns:1fr}.workstreams-grid{grid-template-columns:1fr}.partners-sponsors-grid{grid-template-columns:1fr;gap:3rem}.partners-grid,.sponsors-grid{gap:1.5rem}.schedule-tabs{gap:.35rem}.schedule-tab{font-size:.8rem;padding:.35rem .75rem}.site-footer .footer-inner{flex-direction:column;text-align:center}.footer-links{justify-content:center}.contact-links{flex-direction:column}}@media(max-width:40rem){.organisers-grid{flex-direction:column}.organiser-card{min-width:0;width:100%}}