body{background:#0b0f19;color:white;font-family:Arial;margin:0;padding:20px;text-align:center}
.hero{padding:80px 20px}
.btn{padding:12px 20px;border:none;border-radius:10px;background:#7c3aed;color:white;margin-top:10px}
.upload-box{margin:40px auto}
.progress{width:80%;height:10px;background:#222;margin:20px auto;border-radius:10px;overflow:hidden}
#bar{height:100%;width:0;background:#7c3aed}