*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

html{
  -webkit-text-size-adjust:100%;
}

html,
body{
  width:100%;
  min-height:100%;
  overflow-x:hidden;
  background:#000;
}

body{
  font-family:Arial, sans-serif;
  color:#fff;
  text-align:center;
}

img,
video{
  max-width:100%;
  display:block;
}

a{
  -webkit-tap-highlight-color:transparent;
}

.page{
  width:100%;
  min-height:100%;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:flex-start;
  background:#000;
}

.hero{
  width:100%;
  display:flex;
  justify-content:center;
  padding:0;
  background:#000;
}

.video-frame{
  position:relative;
  width:min(100vw, 480px);
  aspect-ratio:9 / 16;
  background:#000;
  overflow:hidden;
}

.video-frame video{
  width:100%;
  height:100%;
  object-fit:cover;
  background:#000;
}

.sound-overlay{
  position:absolute;
  inset:0;
  display:none;
  align-items:center;
  justify-content:center;
  background:rgba(0,0,0,0.45);
  z-index:5;
  padding:20px;
}

.sound-image-btn{
  width:clamp(140px, 32vw, 200px);
  height:auto;
  cursor:pointer;
}

.whatsapp-floating{
  position:absolute;
  left:50%;
  bottom:90px;
  transform:translateX(-50%);
  width:min(92%, 420px);
  z-index:6;
}

.whatsapp-floating img{
  width:100%;
  height:auto;
}

.site-footer{
  width:min(100%, 480px);
  padding:18px 14px 28px;
  font-size:14px;
  line-height:1.6;
  color:#ccc;
  background:#000;
}

.footer-links{
  margin-top:10px;
}

.site-footer a{
  color:#ccc;
  text-decoration:none;
  margin:0 10px;
}

.site-footer a:hover{
  text-decoration:underline;
}

@media (max-width:480px){
  .whatsapp-floating{
    width:92%;
    bottom:80px;
  }

  .site-footer{
    font-size:13px;
    padding:16px 12px 24px;
  }

  .site-footer a{
    margin:0 6px;
  }
}

@media (orientation:landscape){
  .hero{
    padding:0;
  }

  .video-frame{
    width:min(56.25vh, 480px);
    aspect-ratio:9 / 16;
  }

  .whatsapp-floating{
    width:min(78%, 360px);
    bottom:40px;
  }
}