:root{--bg:#090a0f;--bg-gradient:radial-gradient(circle at top right,#1a153a,#090a0f 60%);--text:#f0f2f5;--muted:#9ba1a6;--accent:#5e6ad2;--accent-glow:rgba(94,106,210,.5);--accent2:#00d4ff;--glass-bg:hsla(0,0%,100%,.03);--glass-border:hsla(0,0%,100%,.08);--radius:16px;--radius-lg:24px;--font-main:"Inter",system-ui,sans-serif;--font-display:"Outfit",system-ui,sans-serif;--speed:0.3s;--z-scene:1;--z-ui:10;--z-header:100;--z-overlay:200}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-main);background:var(--bg);color:var(--text);overflow-x:hidden;line-height:1.5;-webkit-font-smoothing:antialiased}#scene-container{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:var(--z-scene);pointer-events:none;background:var(--bg-gradient)}#scene-container canvas{display:block;pointer-events:auto}#topbar{position:fixed;top:0;left:0;width:100%;padding:1rem 2rem;justify-content:space-between;z-index:var(--z-header);background:linear-gradient(180deg,rgba(9,10,15,.9),transparent);backdrop-filter:blur(8px)}#topbar,.logo{display:flex;align-items:center}.logo{gap:.5rem;font-family:var(--font-display);font-weight:800;font-size:1.2rem;letter-spacing:-.5px}.logo-icon{color:var(--accent2)}.top-nav{display:none;gap:2rem}.top-nav a{color:var(--muted);text-decoration:none;font-size:.9rem;font-weight:500;transition:var(--speed)}.top-nav a:hover{color:var(--text)}.topbar-actions{display:flex;gap:1rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.6rem 1.2rem;border-radius:50px;font-family:var(--font-main);font-weight:600;font-size:.9rem;cursor:pointer;transition:all var(--speed) cubic-bezier(.4,0,.2,1);border:none}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 15px var(--accent-glow)}.btn-primary:hover{background:#6f7cf0;box-shadow:0 6px 20px var(--accent-glow);transform:translateY(-2px)}.btn-outline{background:transparent;color:var(--text);border:1px solid var(--glass-border)}.btn-outline:hover{background:var(--glass-bg);border-color:var(--muted)}.btn-glass{background:hsla(0,0%,100%,.1);backdrop-filter:blur(10px);color:var(--text);border:1px solid hsla(0,0%,100%,.2)}.btn-glass:hover{background:hsla(0,0%,100%,.15);transform:translateY(-2px)}.btn-lg{padding:.9rem 2rem;font-size:1.05rem}.text-gradient{background:linear-gradient(135deg,var(--accent2),#905ed2);-webkit-background-clip:text;-webkit-text-fill-color:transparent}#scroll-content{position:relative;z-index:var(--z-ui);pointer-events:none}#scroll-content>*{pointer-events:auto}.section{min-height:100vh;display:flex;align-items:center;padding:6rem 2rem;position:relative}.container{max-width:1200px;margin:0 auto;width:100%}.content-block{max-width:500px}.align-left{margin-right:auto}.align-right{margin-left:auto}.align-center{margin:0 auto;text-align:center;max-width:700px}.sec-title{font-family:var(--font-display);font-size:3rem;font-weight:800;line-height:1.1;margin-bottom:1.5rem;letter-spacing:-1px}.sec-desc{font-size:1.1rem;color:var(--muted);margin-bottom:2.5rem}.hero-container{text-align:center;max-width:800px}.badge{display:inline-block;padding:.5rem 1rem;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:50px;font-size:.85rem;font-weight:500;color:var(--accent2);margin-bottom:2rem;backdrop-filter:blur(10px)}.hero-container h1{font-family:var(--font-display);font-size:clamp(3rem,6vw,5.5rem);font-weight:800;line-height:1.05;letter-spacing:-2px;margin-bottom:1.5rem}.hero-sub{font-size:clamp(1.1rem,2vw,1.3rem);color:var(--muted);max-width:600px;margin:0 auto 3rem}.hero-cta{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.scroll-indicator{position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:.5rem;color:var(--muted);font-size:.75rem;opacity:.7;animation:float 3s ease-in-out infinite}.mouse{width:24px;height:36px;border:2px solid var(--muted);border-radius:12px;display:flex;justify-content:center;padding-top:4px}.wheel{width:4px;height:8px;background:var(--muted);border-radius:2px;animation:scrollWheel 1.5s infinite}@keyframes scrollWheel{0%{transform:translateY(0);opacity:1}to{transform:translateY(12px);opacity:0}}@keyframes float{0%,to{transform:translate(-50%)}50%{transform:translate(-50%,-10px)}}.feature-list{display:flex;flex-direction:column;gap:1.5rem}.feature-item{display:flex;gap:1rem;align-items:flex-start}.f-icon{font-size:1.5rem;background:var(--glass-bg);width:48px;height:48px;display:flex;align-items:center;justify-content:center;border-radius:12px;border:1px solid var(--glass-border)}.feature-item h4{font-size:1.1rem;font-weight:600;margin-bottom:.25rem}.feature-item p{color:var(--muted);font-size:.95rem}.glass-panel{background:rgba(15,16,25,.4);backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 20px 40px rgba(0,0,0,.4)}.demo-header{padding:.75rem 1.2rem;background:hsla(0,0%,100%,.02);border-bottom:1px solid var(--glass-border);display:flex;align-items:center;gap:1rem}.dots{display:flex;gap:6px}.dot{width:10px;height:10px;border-radius:50%}.dot.r{background:#ff5f56}.dot.y{background:#ffbd2e}.dot.g{background:#27c93f}.file-name{font-size:.75rem;font-family:monospace;color:var(--muted)}.demo-body{padding:2rem}.audio-wave-ui{display:flex;align-items:center;justify-content:space-between;height:40px;margin-bottom:2rem}.wave-bar{width:8%;background:var(--accent2);border-radius:4px;animation:pulse 1s infinite alternate}.wave-bar:nth-child(2n){animation-duration:1.2s;background:var(--accent)}.wave-bar:nth-child(3n){animation-duration:.8s}@keyframes pulse{0%{height:10%}to{height:100%}}.subs-preview{background:rgba(0,0,0,.3);padding:1rem;border-radius:8px;text-align:center;position:relative}.subs-preview p{font-size:1.1rem;font-weight:500;font-style:italic}.timestamp{position:absolute;top:-10px;left:50%;transform:translateX(-50%);background:var(--accent);color:#fff;font-size:.6rem;padding:2px 8px;border-radius:10px;font-weight:600}.demo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;margin-top:3rem}.demo-card{position:relative;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius);padding:2rem 1.5rem;text-align:left;overflow:hidden;transition:var(--speed);cursor:pointer}.demo-card:hover{transform:translateY(-5px);border-color:hsla(0,0%,100%,.2)}.card-glow{position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 50% 50%,var(--accent-glow),transparent 60%);opacity:0;transition:var(--speed);pointer-events:none}.demo-card:hover .card-glow{opacity:.3}.lang-tag{display:inline-block;font-size:.7rem;font-weight:600;color:var(--accent2);background:rgba(0,212,255,.1);padding:.2rem .6rem;border-radius:4px;margin-bottom:1rem}.demo-card h3{font-size:1.2rem;margin-bottom:1.5rem}.play-demo-btn{width:100%}.sec-cta{min-height:80vh;flex-direction:column;justify-content:center}.sec-cta .container{margin-bottom:4rem}.cta-buttons{justify-content:center}footer{width:100%;text-align:center;padding-top:2rem;border-top:1px solid var(--glass-border);color:var(--muted);font-size:.85rem;margin-top:auto}.footer-links{display:flex;justify-content:center;gap:1.5rem;margin-bottom:1rem}.footer-links a{color:var(--muted);text-decoration:none}.footer-links a:hover{color:var(--text)}#player-overlay{position:fixed;inset:0;background:rgba(9,10,15,.85);backdrop-filter:blur(12px);z-index:var(--z-overlay);display:flex;align-items:center;justify-content:center;opacity:1;transition:opacity .4s ease}#player-overlay.hidden{opacity:0;pointer-events:none}.player-panel{background:rgba(20,22,32,.9);border:1px solid hsla(0,0%,100%,.1);border-radius:var(--radius-lg);padding:3rem 2rem 2rem;width:90%;max-width:800px;position:relative;transform:translateY(0) scale(1);transition:transform .4s cubic-bezier(.34,1.56,.64,1)}#player-overlay.hidden .player-panel{transform:translateY(20px) scale(.95)}.btn-close{position:absolute;top:1rem;right:1.5rem;background:transparent;border:none;color:var(--muted);font-size:2rem;cursor:pointer;transition:var(--speed)}.btn-close:hover{color:var(--text)}.player-content{display:flex;gap:2rem;align-items:center}.player-col{flex:1;display:flex;flex-direction:column;gap:1rem}.p-lang{font-weight:600;font-size:.9rem;color:var(--accent2);text-transform:uppercase;letter-spacing:1px}.player-col audio{width:100%;height:40px;border-radius:8px}.p-text{font-size:1rem;color:var(--text);font-style:italic;padding:1rem;background:var(--glass-bg);border-radius:8px;min-height:80px}.player-divider{display:flex;align-items:center;justify-content:center;width:48px;height:48px;background:rgba(94,106,210,.2);border-radius:50%;flex-shrink:0}@media (min-width:768px){.top-nav{display:flex}}@media (max-width:768px){.sec-title{font-size:2.5rem}.player-content{flex-direction:column}.player-divider{transform:rotate(90deg)}}