#soundBtn{position:absolute;bottom:20px;right:20px;display:flex;align-items:center;gap:10px;background:rgba(30,41,59,.7);backdrop-filter:blur(12px);border:1.5px solid rgba(255,255,255,.15);color:#fff;border-radius:50px;padding:10px 18px 10px 12px;cursor:pointer;font-size:.85rem;font-weight:700;letter-spacing:.02em;transition:all .4s cubic-bezier(.23,1,.32,1);z-index:20;box-shadow:0 10px 25px -5px rgba(0,0,0,.3)}#soundBtn:hover{background:var(--primary);border-color:var(--primary-soft);transform:scale(1.05) translateY(-2px);box-shadow:0 15px 30px -5px rgba(37,99,235,.4)}#soundBtn.sound-muted{animation:soundWiggle 3.5s ease-in-out infinite}.sound-icon{width:22px;height:22px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform .3s ease}#soundBtn:hover .sound-icon{transform:scale(1.1)}.sound-icon svg{width:20px;height:20px}.sound-pulse{position:absolute;width:44px;height:44px;border-radius:50%;background:var(--primary);pointer-events:none;left:1px;opacity:0}#soundBtn.sound-muted .pulse-1{animation:soundPulse 2s ease-out infinite}#soundBtn.sound-muted .pulse-2{animation:soundPulse 2s ease-out infinite .8s}#soundBtn.sound-on{background:rgba(16,185,129,.8);border-color:rgba(255,255,255,.3);animation:none}#soundBtn.sound-on:hover{background:#059669;box-shadow:0 15px 30px -5px rgba(16,185,129,.4)}.vc-bar{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(0deg,rgba(0,0,0,.8) 0%,rgba(0,0,0,.4) 60%,transparent 100%);padding:40px 15px 10px;display:flex;align-items:center;gap:12px;opacity:0;transition:opacity .3s;z-index:5}.phone-screen:hover .vc-bar{opacity:1}.vc-btn{background:0 0;border:none;color:white;cursor:pointer;padding:5px;display:flex;align-items:center;justify-content:center;transition:transform .2s,color .2s;flex-shrink:0}.vc-btn:hover{color:var(--primary-soft);transform:scale(1.1)}.vc-btn svg{width:22px;height:22px}.vc-btn.vc-play svg{width:28px;height:28px}.vc-progress-wrap{flex:1;position:relative;height:4px;background:rgba(255,255,255,.2);border-radius:2px;cursor:pointer;display:flex;align-items:center}.vc-progress{position:absolute;width:100%;height:100%;opacity:0;cursor:pointer;z-index:2;margin:0}.vc-progress-fill{height:100%;background:var(--primary);border-radius:2px;width:0%;position:relative}.vc-progress-fill::after{content:"";position:absolute;right:-6px;top:50%;transform:translateY(-50%);width:12px;height:12px;background:#fff;border-radius:50%;box-shadow:0 0 10px rgba(0,0,0,.5)}.vc-time{color:white;font-size:.75rem;font-weight:600;font-family:monospace;min-width:85px;text-align:right}@media screen and (max-width:768px){.hero-subtitle{font-size:15px!important;line-height:1.4!important}}