:root{--text: #07111f;--muted: #4b5d78;--border: #8fc7f7;--background: #f4fbff;--surface: #e6f4ff;--accent: #0066d6;--accent-soft: #dff2ff;--accent-strong: #0b3f6b;--accent-contrast: #7dd3fc;--shadow: 0 24px 60px rgba(7, 17, 31, .12)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Inter,system-ui,sans-serif;background:radial-gradient(circle at top left,rgba(125,211,252,.2) 0%,transparent 22%),linear-gradient(135deg,#f8fdff 0%,var(--background) 100%);color:var(--text);line-height:1.6}a{color:inherit}button{font:inherit}.container{width:min(1120px,90%);margin:auto}.narrow{max-width:760px}.center{text-align:center}.header{position:sticky;top:0;background:#f8fdffe6;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);z-index:100}.header .container{display:flex;justify-content:space-between;align-items:center;padding:1.15rem 0}.header nav{display:flex;gap:1rem;align-items:center}.header a,.nav-link,.brand-link{text-decoration:none;color:var(--text);background:none;border:0;cursor:pointer}.brand-link{font-size:1.2rem;font-weight:700}.nav-link{padding:.4rem .75rem;border-radius:999px}.nav-link:hover,.active-nav-link{background:var(--accent-soft);color:var(--accent)}.hero{padding:7rem 0 5rem}.hero h2{font-size:clamp(2.4rem,5vw,4.2rem);max-width:900px;line-height:1.1;margin:1rem 0}.hero p{max-width:700px;color:var(--muted);margin-bottom:2rem;font-size:1.08rem}.hero-actions{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2rem;align-items:center}.badge{display:inline-block;border:1px solid var(--border);background:linear-gradient(90deg,#fff,#f2f7ff);padding:.55rem 1rem;border-radius:999px;font-size:.95rem;color:var(--accent-strong);font-weight:600}.btn{display:inline-block;background:linear-gradient(135deg,var(--accent),#3b82f6);color:#fff;padding:.9rem 1.4rem;border-radius:999px;text-decoration:none;transition:transform .2s ease,box-shadow .2s ease;box-shadow:var(--shadow);border:0;cursor:pointer;margin-top:0}.btn:hover{transform:translateY(-1px)}.btn-secondary{background:#fff;color:var(--accent);box-shadow:none;border:1px solid var(--border)}.section{padding:6.5rem 0}.gray{background:linear-gradient(135deg,#e9f8ff,#dff2ff)}.section h2{font-size:2rem;margin-bottom:1.25rem}.section p{color:var(--muted)}.grid{margin-top:2rem;display:grid;gap:1.25rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.card{background:#fff;padding:1.75rem;border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow)}.card h3{margin-bottom:.75rem}.footer{border-top:1px solid var(--border);padding:2rem 0;text-align:center;color:var(--muted)}.page-shell{min-height:100vh}.hackathon-shell{background:radial-gradient(circle at top left,rgba(0,212,255,.16) 0%,transparent 24%),radial-gradient(circle at bottom right,rgba(139,92,246,.16) 0%,transparent 30%),linear-gradient(135deg,#030b16,#081224);color:#f8fcff}.hackathon-shell .header{background:#030a14db;border-bottom-color:#7dd3fc38}.hackathon-shell .brand-link,.hackathon-shell .nav-link,.hackathon-shell .header a{color:#f8fcff}.hackathon-shell .nav-link:hover,.hackathon-shell .active-nav-link{background:#00d4ff2e;color:#7dd3fc}.hackathon-shell .badge{background:#040e1ceb;color:#7dd3fc;border-color:#7dd3fc59}.hackathon-shell .btn{background:linear-gradient(135deg,#00d4ff,#8b5cf6);box-shadow:0 16px 36px #00d4ff3d}.hackathon-shell .btn-secondary{background:#f8fcff0f;color:#f8fcff;border-color:#7dd3fc59}.hackathon-shell .section{padding:6.5rem 0}.hackathon-shell .gray{background:linear-gradient(135deg,#07111f,#0f2238)}.hackathon-shell .section h2{color:#f8fcff}.hackathon-shell .section p,.hackathon-shell .section li,.hackathon-shell .section strong{color:#bdd4e8}.hackathon-shell .card,.hackathon-shell .event-card{background:linear-gradient(180deg,#0b1728fa,#0e1e31fa);border:1px solid rgba(125,211,252,.28);box-shadow:0 20px 55px #00000059;color:#f8fcff}.hackathon-shell .card h3,.hackathon-shell .event-card h3{color:#7dd3fc}.hackathon-shell .event-hero{padding:6rem 0 5rem;background:radial-gradient(circle at top left,rgba(0,212,255,.18) 0%,transparent 26%),radial-gradient(circle at bottom right,rgba(139,92,246,.2) 0%,transparent 30%),linear-gradient(135deg,#07111f,#10253a)}.event-hero-grid{display:grid;gap:2.5rem;align-items:start;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));margin-bottom:2rem}.event-schedule-grid{display:flex;flex-direction:column;gap:1.5rem;margin-bottom:2rem}.event-hero h1{font-size:clamp(2rem,4.5vw,3.2rem);margin:1rem 0 1.25rem;max-width:720px}.event-hero p{max-width:700px;margin-bottom:0}.event-card{background:linear-gradient(180deg,#fff,#f8fcff);border:1px solid rgba(143,199,247,.8);border-radius:28px;padding:1.8rem 1.9rem;box-shadow:var(--shadow)}.full-width-panel{width:100%}.event-list,.schedule-list{display:grid;gap:1rem;margin-top:1.25rem}.event-list li,.schedule-item{list-style:none;padding:1rem 1.1rem;border-radius:16px;background:linear-gradient(135deg,#050e1cf2,#0a182bf2);border:1px solid rgba(125,211,252,.22)}.schedule-item{display:grid;gap:.45rem}.schedule-item strong{color:#7dd3fc;font-size:.95rem;letter-spacing:.08em;text-transform:uppercase}.schedule-item h3{margin:0}.form-grid{display:grid;gap:1rem;margin-top:1.3rem}.form-grid label{display:grid;gap:.4rem;color:var(--muted)}.form-grid input,.form-grid textarea,.form-grid select{border:1px solid rgba(125,211,252,.3);border-radius:12px;padding:.8rem .95rem;background:#07111fe6;color:#f8fcff}.hackathon-shell .form-grid label{color:#cfe4f4}.form-stack{display:grid;gap:1.5rem}.success-message{margin-top:1rem;color:#7dd3fc;font-weight:600}.form-card{width:100%;padding:2rem}.cognito-form-shell{margin-top:1.25rem;padding:.2rem;border-radius:20px;background:linear-gradient(135deg,#07111f,#123153 45%,#0b3f6b);border:1px solid rgba(125,211,252,.28);box-shadow:0 14px 34px #00000038;overflow:hidden}.cognito-form-shell iframe{display:block;border:none;border-radius:16px;background:transparent;width:100%;min-height:900px;height:92vh;max-height:1320px;padding:0;margin:0}.hackathon-shell a[href^="mailto:"]{color:#7dd3fc;text-decoration:none}.route-transition{min-height:100vh;transition:opacity .22s ease,transform .22s ease}.route-transition.fadeOut{opacity:0;transform:translateY(8px)}.route-transition.fadeIn{opacity:1;transform:translateY(0)}.full-width-cta{margin-top:2rem;padding:2rem;border-radius:32px;background:linear-gradient(135deg,#07111f,#123153 45%,#0b3f6b);border:1px solid rgba(125,211,252,.3);box-shadow:0 24px 65px #0006;width:100%;margin-left:0;margin-right:0}.full-width-cta .event-card{background:linear-gradient(180deg,#ffffff0a,#ffffff05);border-color:#7dd3fc3d}.full-width-cta .btn{margin-top:1rem;background:linear-gradient(135deg,#00d4ff,#8b5cf6);color:#fff;box-shadow:none}