:root{--navy:#071633;--ink:#0b1f46;--muted:#5a6f95;--line:#d7e5f8;--white:#fff;--blue:#0b63f6;--cyan:#00d4ff;--red:#ed1b3f;--green:#00a884;--purple:#6d28d9;--shadow:0 26px 80px rgba(7,22,51,.16);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--white)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:radial-gradient(circle at 12% 10%,rgba(0,212,255,.13),transparent 28rem),radial-gradient(circle at 88% 4%,rgba(237,27,63,.10),transparent 24rem),linear-gradient(180deg,#fff 0%,#f8fcff 38%,#fff 100%)}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
.topbar{position:fixed;left:50%;top:18px;z-index:50;width:min(1180px,calc(100% - 28px));transform:translateX(-50%);display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 14px;border:1px solid rgba(11,99,246,.13);border-radius:22px;background:rgba(255,255,255,.82);backdrop-filter:blur(18px);box-shadow:0 18px 50px rgba(7,22,51,.10)}
.brand img{width:min(240px,42vw)}.nav-links{display:flex;align-items:center;gap:6px;font-size:14px;font-weight:800}.nav-links a{padding:10px 12px;border-radius:999px;color:var(--muted)}.nav-links a:hover,.nav-links a[data-active]{color:var(--navy);background:#edf7ff}.nav-links .nav-cta{color:var(--white);background:var(--navy)}
.menu-button{display:none;border:0;background:transparent;padding:8px}.menu-button span{display:block;width:24px;height:2px;margin:5px 0;background:var(--navy)}
.hero{position:relative;min-height:100vh;overflow:hidden;padding:128px clamp(18px,5vw,70px) 36px;color:var(--white);background:linear-gradient(135deg,rgba(7,22,51,.94),rgba(11,99,246,.78)),url("../assets/tech-watermark.png") center/cover no-repeat}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(237,27,63,.30),transparent 24%),radial-gradient(circle at 80% 20%,rgba(0,212,255,.32),transparent 30rem);pointer-events:none}.hero-bg{position:absolute;inset:100px 0 auto auto;width:min(50vw,680px);aspect-ratio:1;border-radius:50%;border:1px solid rgba(255,255,255,.16);background:radial-gradient(circle,rgba(255,255,255,.18),transparent 62%)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(340px,.6fr);gap:clamp(36px,6vw,82px);align-items:center;max-width:1180px;min-height:calc(100vh - 210px);margin:0 auto}.eyebrow,.section-kicker{margin:0 0 18px;color:var(--cyan);font-size:13px;font-weight:900;letter-spacing:.13em;text-transform:uppercase}.hero h1{max-width:780px;margin:0;font-size:clamp(62px,10vw,140px);line-height:.86;letter-spacing:-.065em}.hero-lead{margin:28px 0 0;color:#fff;font-size:clamp(25px,3.4vw,42px);line-height:1.06;font-weight:900}.hero-text{max-width:680px;margin:22px 0 0;color:#d8edff;font-size:19px;line-height:1.65}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:900}.button.primary{color:var(--navy);background:var(--white);box-shadow:0 18px 48px rgba(0,212,255,.24)}.button.ghost{color:var(--white);border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08)}
.event-card{padding:28px;border:1px solid rgba(255,255,255,.22);border-radius:34px;background:rgba(255,255,255,.10);box-shadow:0 24px 70px rgba(0,0,0,.20)}.date-card{display:grid;place-items:center;min-height:270px;border-radius:28px;color:var(--navy);background:var(--white);text-align:center}.date-card span,.date-card small{font-weight:900;letter-spacing:.18em}.date-card strong{font-size:clamp(54px,7vw,86px);line-height:1;letter-spacing:-.06em}.event-lines{display:grid;gap:10px;margin-top:18px}.event-lines p{margin:0;padding:14px 16px;border-radius:18px;color:#eaf8ff;background:rgba(255,255,255,.10)}
.ticker{position:relative;z-index:1;display:flex;gap:12px;max-width:1180px;margin:0 auto;overflow:auto;padding:18px 0 4px;scrollbar-width:none}.ticker span{flex:0 0 auto;padding:12px 16px;border:1px solid rgba(255,255,255,.20);border-radius:999px;color:#dff7ff;font-weight:900}
.section{max-width:1220px;margin:0 auto;padding:94px clamp(18px,5vw,42px)}.section-heading{max-width:780px}.section-heading.wide{max-width:980px}.section h2{margin:0;font-size:clamp(34px,5.6vw,72px);line-height:.98;letter-spacing:-.05em}
.countdown-card,.challenge-panel,.experience-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:34px;align-items:center;padding:clamp(28px,5vw,54px);border-radius:36px;color:var(--white);background:linear-gradient(135deg,rgba(7,22,51,.96),rgba(11,99,246,.88)),url("../assets/tech-watermark.png") center/cover no-repeat;box-shadow:var(--shadow)}.countdown-card h2,.challenge-panel h2,.experience-card h2{color:var(--white)}.countdown{display:grid;grid-template-columns:repeat(3,minmax(92px,1fr));gap:12px}.countdown div{min-width:96px;padding:18px;border-radius:22px;background:rgba(255,255,255,.12);text-align:center}.countdown strong{display:block;font-size:42px;line-height:1}.countdown span{display:block;margin-top:8px;color:#ccefff;font-weight:800}
.manifesto-grid,.routes,.agenda,.speaker-grid,.logos{display:grid;gap:18px;margin-top:42px}.manifesto-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.manifesto article,.speaker-grid article,.agenda article,.route{border:1px solid var(--line);background:rgba(255,255,255,.86);box-shadow:0 22px 60px rgba(7,22,51,.08)}.manifesto article{padding:28px;border-radius:28px}.manifesto article span{color:var(--blue);font-weight:900}.manifesto h3,.route h3,.agenda h3{margin:18px 0 12px;font-size:26px;line-height:1.08}.manifesto p,.route p,.agenda p,.challenge-panel p{margin:0;color:var(--muted);font-size:16px;line-height:1.6}.challenge-panel p{color:#d7f4ff;max-width:620px}
.routes{grid-template-columns:repeat(4,minmax(0,1fr))}.route{position:relative;min-height:430px;padding:26px;border-radius:30px;overflow:hidden}.route:before{content:"";position:absolute;inset:0 0 auto;height:8px;background:var(--accent)}.route span{display:inline-flex;margin-top:10px;color:var(--accent);font-size:13px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.route ul{margin:26px 0 0;padding:0;list-style:none}.route li{margin-top:11px;padding:12px 0 12px 14px;border-left:4px solid var(--accent);color:var(--ink);font-weight:900}.route-purple{--accent:var(--purple)}.route-blue{--accent:var(--blue)}.route-red{--accent:var(--red)}.route-green{--accent:var(--green)}
.challenge-panel{grid-template-columns:minmax(0,.86fr) minmax(320px,1fr)}.challenge-flow{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.challenge-flow span{padding:18px;border:1px solid rgba(255,255,255,.20);border-radius:20px;color:#fff;background:rgba(255,255,255,.10);font-weight:900}
.agenda{grid-template-columns:repeat(3,minmax(0,1fr))}.agenda article{padding:30px;border-radius:30px}.agenda time{display:inline-flex;padding:10px 13px;border-radius:999px;color:#fff;background:var(--red);font-weight:900}
.speaker-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.speaker-grid article{min-height:190px;padding:24px;border-radius:28px}.speaker-grid b{display:block;font-size:25px;line-height:1.1}.speaker-grid span{display:block;margin-top:18px;color:var(--muted);line-height:1.55}
.registration-panel{display:grid;grid-template-columns:minmax(0,.95fr) minmax(360px,.7fr);gap:26px;padding:clamp(26px,5vw,52px);border-radius:36px;background:linear-gradient(135deg,#fff,rgba(237,247,255,.92));border:1px solid var(--line);box-shadow:var(--shadow)}.registration-copy p{margin:18px 0 0;color:var(--muted);font-size:17px;line-height:1.65}.steps{display:grid;gap:12px;margin:30px 0 0;padding:0;list-style:none}.steps li{display:grid;gap:5px;padding:16px 18px;border-left:5px solid var(--blue);border-radius:16px;background:#fff}.steps b{font-size:17px}.steps span{color:var(--muted);line-height:1.45}.registration-form{display:grid;gap:13px;padding:24px;border-radius:28px;background:var(--navy);color:#fff}.registration-form label{display:grid;gap:7px;font-size:14px;font-weight:900}.registration-form input,.registration-form select{width:100%;min-height:46px;border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:0 13px;color:#fff;background:rgba(255,255,255,.09);font:inherit}.registration-form input::placeholder{color:#b9ccea}.registration-form select option{color:var(--ink);background:#fff}.form-note{margin:4px 0 0;color:#ccefff;font-size:14px;line-height:1.45}.registration-form button{min-height:50px;border:0;border-radius:999px;color:var(--navy);background:#fff;font:inherit;font-weight:900;cursor:not-allowed}
.experience-card{grid-template-columns:1fr}.experience-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px}.experience-grid span{padding:18px 12px;border-radius:18px;color:var(--navy);background:#fff;text-align:center;font-weight:900}
.logos{grid-template-columns:repeat(3,minmax(0,1fr));align-items:center}.logos img{width:100%;max-height:116px;object-fit:contain;padding:24px;border:1px solid var(--line);border-radius:26px;background:#fff}
.faq-layout{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:24px;margin-top:40px}.faq-list{display:grid;gap:10px}.faq-question{width:100%;padding:18px;border:1px solid var(--line);border-radius:18px;color:var(--ink);background:#fff;font:inherit;font-weight:900;text-align:left;cursor:pointer}.faq-question:hover,.faq-question.is-active{border-color:var(--blue);background:#edf7ff}.faq-answer{display:block;min-height:220px;padding:clamp(24px,4vw,38px);border-radius:30px;color:#fff;background:linear-gradient(135deg,var(--navy),#103d86);font-size:clamp(22px,3vw,34px);font-weight:800;line-height:1.28;box-shadow:var(--shadow)}
.footer{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:38px clamp(18px,5vw,70px);border-top:1px solid var(--line);color:var(--muted);background:#f7fbff;font-weight:800}.footer p{margin:0}.footer a{color:var(--blue)}
@media (max-width:1040px){.menu-button{display:block}.nav-links{position:absolute;left:12px;right:12px;top:calc(100% + 10px);display:none;flex-direction:column;align-items:stretch;padding:12px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.96);box-shadow:var(--shadow)}.topbar.open .nav-links{display:flex}.hero-grid,.countdown-card,.challenge-panel,.faq-layout,.registration-panel{grid-template-columns:1fr}.routes,.speaker-grid,.experience-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:720px){.hero{padding-top:112px}.hero-grid{min-height:auto}.event-card{display:none}.manifesto-grid,.routes,.agenda,.speaker-grid,.logos,.experience-grid{grid-template-columns:1fr}.footer{flex-direction:column;text-align:center}}

[hidden]{display:none!important}.registration-form textarea{width:100%;padding:12px;border:1px solid #7a91b2;border-radius:14px;background:#152849;color:#fff;font:inherit;resize:vertical}.registration-form fieldset{min-width:0;display:grid;gap:14px;border:1px solid #7a91b2;border-radius:16px;padding:16px}.registration-form legend{padding:0 8px;font-weight:800}.registration-form .consent{display:flex;align-items:flex-start;font-weight:500;line-height:1.5}.consent input{width:20px;min-height:20px;flex-shrink:0;accent-color:var(--cyan)}.registration-form button{cursor:pointer}.registration-form button:disabled{cursor:wait;opacity:.65}.honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.status-form{display:grid;grid-template-columns:1fr 1fr auto;align-items:end;gap:18px;margin-top:30px;padding:28px;border:1px solid var(--line);border-radius:24px;background:white}.status-form label{display:grid;gap:8px;font-weight:700}.status-form input{min-height:48px;padding:12px;border:1px solid #8b9dbc;border-radius:12px;font:inherit;width:100%}.status-form button{border:0;background:var(--blue);color:white;cursor:pointer}.status-form p{grid-column:1/-1;white-space:pre-wrap}#registration-message{white-space:pre-wrap;overflow-wrap:anywhere}.registration-form input:focus-visible,.registration-form select:focus-visible,.registration-form textarea:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}.section[id]{scroll-margin-top:110px}@media(max-width:720px){.status-form{grid-template-columns:1fr}.registration-form{padding:18px}.registration-panel{padding:20px}.hero h1{font-size:clamp(48px,12vw,85px)}}