:root{--bg-start:#080a13;--bg-end:#0f1220;--glass-bg:#121627a6;--glass-border:#ffffff14;--glass-blur:blur(24px);--text-primary:#fffffff2;--text-secondary:#fff9;--accent:#7aa2f7;--accent-hover:#9db8f8;--cyan:#73e4ff;--green:#9ece6a;--red:#f7768e;--purple:#bb9af7;--card-shadow:0 12px 40px #00000080, 0 1px 0 #ffffff0d inset}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scrollbar-gutter:stable}body{color:var(--text-primary);background:linear-gradient(135deg, var(--bg-start) 0%, var(--bg-end) 100%);background-attachment:fixed;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe 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48px;display:flex;position:sticky;top:0}.brand{color:var(--text-primary);user-select:none;align-items:center;gap:10px;text-decoration:none;display:flex}.logo-loader-box{width:44px;height:44px;position:relative}.logo-loader-box svg,.logo-loader-box canvas{pointer-events:none;width:100%;height:100%;position:absolute;top:0;left:0}#nav-gaussian{fill:none;stroke:#73e4ff;stroke-width:12px;stroke-linecap:round;filter:drop-shadow(0 0 5px #73e4ff)drop-shadow(0 0 15px #73e4ff)}#nav-head{fill:#fff;filter:drop-shadow(0 0 8px #fff)drop-shadow(0 0 20px #73e4ff)}.center-plus{stroke:#73e4ff;stroke-width:10px;stroke-linecap:round;opacity:.8;filter:drop-shadow(0 0 5px #73e4ff)drop-shadow(0 0 10px #73e4ff)}.brand-text{color:#fff;letter-spacing:1px;text-transform:uppercase;text-shadow:0 0 10px #73e4ff33;margin-left:-13px;font-size:20px;font-weight:300}.brand-text b{color:#73e4ff;text-shadow:0 0 15px #73e4ff80;font-weight:700}nav ul{gap:36px;list-style:none;display:flex}nav a{color:var(--text-secondary);font-size:14px;font-weight:500;text-decoration:none;transition:color .2s}nav a:hover{color:var(--text-primary)}.nav-cta{align-items:center;gap:12px;display:flex}.nav-toggle{cursor:pointer;background:0 0;border:none;flex-direction:column;flex-shrink:0;justify-content:center;gap:5px;width:32px;height:32px;padding:0;display:none}.nav-toggle span{background:var(--text-primary);border-radius:2px;width:24px;height:2px;transition:transform .2s,opacity .2s;display:block}nav.nav-open .nav-toggle span:first-child{transform:translateY(7px)rotate(45deg)}nav.nav-open .nav-toggle span:nth-child(2){opacity:0}nav.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px)rotate(-45deg)}.btn{appearance:none;cursor:pointer;border:1px solid #0000;border-radius:10px;align-items:center;gap:8px;padding:10px 22px;font-family:inherit;font-size:14px;font-weight:600;text-decoration:none;transition:transform .2s,background-color .2s,box-shadow .2s;display:inline-flex}.btn:hover{transform:translateY(-2px)}.btn:active{transform:translateY(0)}.btn-primary{background:var(--accent);color:#080a13;box-shadow:0 4px 15px #7aa2f733}.btn-primary:hover{background:var(--accent-hover);box-shadow:0 6px 20px #7aa2f759}.btn-ghost{border-color:var(--glass-border);color:var(--text-primary);background:#ffffff0d}.btn-ghost:hover{background:#ffffff1a}.btn-lg{border-radius:12px;padding:14px 28px;font-size:15px}section,header{z-index:10;max-width:1240px;margin:0 auto;padding:80px 24px;position:relative}.section-title{text-align:center;margin-bottom:48px}.section-title h2{letter-spacing:-.5px;margin-bottom:12px;font-size:36px;font-weight:600}.section-title p{color:var(--text-secondary);max-width:560px;margin:0 auto;font-size:16px}header.hero{grid-template-columns:1.1fr 1fr;align-items:center;gap:40px;padding:80px 24px 60px;display:grid}.hero-text 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a:hover{color:var(--text-primary)}.modal{z-index:1000;opacity:0;pointer-events:none;backdrop-filter:blur(8px);background:#04050ad9;justify-content:center;align-items:center;width:100vw;height:100vh;transition:opacity .3s;display:flex;position:fixed;top:0;left:0}.modal.open{opacity:1;pointer-events:auto}.modal-content{aspect-ratio:16/9;border:1px solid var(--glass-border);background:#000;border-radius:16px;width:90%;max-width:800px;position:relative;overflow:hidden;box-shadow:0 25px 60px #000c}.modal-close{color:#fff;cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;font-size:14px;font-weight:600;display:flex;position:absolute;top:-45px;right:0}@media (width<=980px){header.hero{text-align:center;grid-template-columns:1fr}.hero-text h1{font-size:38px}.hero-cta,.hero-text .meta{justify-content:center}.bento-grid{grid-template-columns:1fr 1fr}.tile.col-2{grid-column:span 1}.video-showcase,.slide{grid-template-columns:1fr}.slide-img-area{height:300px;padding:30px}.pricing-cards{grid-template-columns:1fr}.academic-banner{text-align:center;flex-direction:column;grid-column:span 1;gap:16px}.academic-banner-content{flex-direction:column}nav{flex-wrap:wrap}.nav-toggle{display:flex}nav ul,nav .nav-cta{flex-direction:column;width:100%;display:none}nav ul{border-top:1px solid var(--glass-border);order:3;gap:4px;margin-top:12px;padding-top:16px}nav ul li{width:100%}nav ul a{padding:10px 0;font-size:15px;display:block}nav .nav-cta{order:4;align-items:flex-start;gap:10px;padding-bottom:16px}nav .nav-cta .btn:not(#lang-btn){justify-content:center;width:100%}nav.nav-open ul,nav.nav-open .nav-cta{display:flex}}@media (width<=640px){.bento-grid{grid-template-columns:1fr}header.hero{padding:40px 16px}nav{padding:16px 24px}}