:root{--bg-color:#030712;--text-primary:#f8fafc;--text-secondary:#94a3b8;--accent-cyan:#06b6d4;--accent-blue:#3b82f6;--accent-glow:rgba(6,182,212,.4);--glass-bg:rgba(15,23,42,.6);--glass-border:hsla(0,0%,100%,.1);--font-main:"Inter",system-ui,-apple-system,sans-serif;--radius-lg:16px;--radius-md:8px;--transition:all 0.3s cubic-bezier(0.4,0,0.2,1)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-main);background-color:var(--bg-color);color:var(--text-primary);overflow-x:hidden;line-height:1.6}#bg-canvas{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:-1;pointer-events:none}h1,h2,h3,h4{font-weight:700;line-height:1.2;margin-bottom:1rem}h1{font-size:clamp(2.5rem,5vw,4.5rem);letter-spacing:-.02em}h2{font-size:clamp(2rem,4vw,3rem)}.subtitle{font-size:1.25rem;color:var(--text-secondary);max-width:600px;margin:0 auto 2rem}.text-gradient{background:linear-gradient(135deg,var(--accent-cyan),var(--accent-blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}#topbar{position:fixed;top:0;left:0;width:100%;justify-content:space-between;padding:1rem 2rem;background:rgba(3,7,18,.8);backdrop-filter:blur(12px);border-bottom:1px solid var(--glass-border);z-index:100}#topbar,.logo{display:flex;align-items:center}.logo{gap:.5rem;font-weight:700;font-size:1.2rem;letter-spacing:-.01em}.logo-star{color:var(--accent-cyan)}.topbar-nav{display:flex;align-items:center;gap:2rem}.nav-link{color:var(--text-primary);text-decoration:none;font-size:.95rem;font-weight:500;transition:var(--transition)}.nav-link:hover{color:var(--accent-cyan)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;font-weight:600;border-radius:var(--radius-md);text-decoration:none;transition:var(--transition);cursor:pointer;border:none;font-size:1rem}.btn-sm{padding:.5rem 1rem;font-size:.875rem}.btn-lg{padding:1rem 2rem;font-size:1.1rem}.w-full{width:100%}.btn-primary{background:linear-gradient(135deg,var(--accent-blue),var(--accent-cyan));color:#fff;box-shadow:0 4px 14px var(--accent-glow)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(6,182,212,.6)}.btn-outline{background:transparent;color:var(--text-primary);border:1px solid var(--glass-border);backdrop-filter:blur(4px)}.btn-outline:hover{background:hsla(0,0%,100%,.1);border-color:hsla(0,0%,100%,.2)}.section{min-height:100vh;display:flex;align-items:center;padding:6rem 2rem 2rem;position:relative;z-index:10}.container{max-width:1200px;width:100%;margin:0 auto}.text-center{text-align:center}.right-align .container{display:flex;justify-content:flex-end}.left-align .container{display:flex;justify-content:flex-start}.center-align .container{display:flex;justify-content:center}.card{background:var(--glass-bg);backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:var(--radius-lg);padding:3rem;max-width:600px;box-shadow:0 25px 50px -12px rgba(0,0,0,.5)}.glass-section{background:linear-gradient(180deg,rgba(3,7,18,0),rgba(3,7,18,.8))}.badge{display:inline-block;padding:.25rem 1rem;background:rgba(6,182,212,.1);color:var(--accent-cyan);border:1px solid rgba(6,182,212,.2);border-radius:9999px;font-size:.875rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;margin-bottom:1.5rem}.hero-actions{display:flex;gap:1rem;justify-content:center;margin-top:2rem}.feature-list{list-style:none;margin:1.5rem 0}.feature-list li{padding:.5rem 0;border-bottom:1px solid var(--glass-border);font-size:1.1rem}.poster-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-top:2rem}.poster-item{background:rgba(0,0,0,.4);border:1px solid var(--glass-border);padding:1.5rem;border-radius:var(--radius-md);transition:var(--transition)}.poster-item:hover{border-color:var(--accent-cyan);transform:translateY(-4px)}.poster-item .topic{font-size:.75rem;text-transform:uppercase;font-weight:700;letter-spacing:.05em}.topic.biology{color:#10b981}.topic.physics{color:#8b5cf6}.author{color:var(--text-secondary);font-size:.9rem;margin-top:.5rem}.sponsor-logos{display:flex;flex-wrap:wrap;gap:2rem;margin-top:2rem}.sponsor-logo{font-size:1.5rem;font-weight:700;color:hsla(0,0%,100%,.3);letter-spacing:-.02em}.agenda-timeline{max-width:800px;margin:3rem auto 0}.agenda-item{display:flex;gap:2rem;padding:1.5rem 0;border-bottom:1px solid var(--glass-border)}.agenda-item .time{font-weight:600;color:var(--accent-cyan);min-width:100px}.agenda-item .details p{color:var(--text-secondary);font-size:.9rem}.form-card{max-width:500px;margin:0 auto}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-secondary)}.form-group input{width:100%;padding:.75rem 1rem;background:rgba(0,0,0,.4);border:1px solid var(--glass-border);border-radius:var(--radius-md);color:#fff;font-family:inherit;font-size:1rem;transition:var(--transition)}.form-group input:focus{outline:none;border-color:var(--accent-cyan);box-shadow:0 0 0 2px rgba(6,182,212,.2)}.trust-badge{font-size:.85rem}.footer,.trust-badge{color:var(--text-secondary)}.footer{text-align:center;padding:3rem;border-top:1px solid var(--glass-border);background:var(--bg-color);position:relative;z-index:10}@media (max-width:768px){.topbar-nav{display:none}h1{font-size:2.5rem}.card{padding:2rem}.poster-grid{grid-template-columns:1fr}.hero-actions{flex-direction:column}}