*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;overflow:hidden}
body{font-family:'DM Sans',sans-serif;background:#0a0a0a}

.split{display:flex;height:100vh;width:100vw}
.divider{
  position:absolute;top:10%;bottom:10%;left:50%;
  width:1px;background:rgba(255,255,255,.12);
  z-index:20;pointer-events:none;
}
.half{
  position:relative;flex:1;display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  text-decoration:none;overflow:hidden;cursor:pointer;
}
.half-photo{
  position:absolute;inset:0;z-index:0;
  background-size:cover;background-position:center;
  filter:grayscale(100%);
  transition:transform .9s cubic-bezier(.25,.46,.45,.94);
}
.half-fv .half-photo{background-image:url('../fv-hero.jpg')}
.half-mv .half-photo{background-image:url('../mv-hero.jpg')}
.half:hover .half-photo{transform:scale(1.05)}
.half-overlay{
  position:absolute;inset:0;z-index:1;
  background:rgba(0,0,0,.72);transition:background .5s;
}
.half:hover .half-overlay{background:rgba(0,0,0,.52)}
.half-grid{
  position:absolute;inset:0;z-index:2;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:50px 50px;
}
.half-fv .half-glow{
  position:absolute;inset:0;z-index:2;pointer-events:none;
  background:radial-gradient(ellipse at center,rgba(252,200,50,.18) 0%,transparent 65%);
  opacity:0;transition:opacity .6s ease;
}
.half-fv:hover .half-glow{opacity:1}
.half-mv .half-glow{
  position:absolute;inset:0;z-index:2;pointer-events:none;
  background:radial-gradient(ellipse at center,rgba(0,200,255,.14) 0%,transparent 65%);
  opacity:0;transition:opacity .6s ease;
}
.half-mv:hover .half-glow{opacity:1}
.half-content{
  position:relative;z-index:3;
  display:flex;flex-direction:column;align-items:center;
  text-align:center;gap:14px;padding:40px;
  transform:translateY(8px);
  transition:transform .5s cubic-bezier(.34,1.56,.64,1);
}
.half:hover .half-content{transform:translateY(0)}
.half-icon{
  width:48px;height:48px;opacity:.65;margin-bottom:4px;
  transition:opacity .4s,transform .4s;
}
.half:hover .half-icon{opacity:1;transform:scale(1.1)}
.half-logo{height:clamp(24px,3vw,38px);width:auto;transition:transform .4s}
.half:hover .half-logo{transform:scale(1.04)}
.half-sub{
  font-size:11px;letter-spacing:.24em;text-transform:uppercase;
  font-weight:400;color:rgba(255,255,255,.45);
}
.half-title{
  font-family:'Bebas Neue',sans-serif;
  font-size:clamp(52px,7vw,100px);
  line-height:.92;letter-spacing:.04em;color:#fff;
  transition:letter-spacing .4s;
}
.half:hover .half-title{letter-spacing:.07em}
.half-claim{
  font-size:13px;font-weight:300;line-height:1.65;
  color:rgba(255,255,255,.55);max-width:260px;
}
.enter-btn{
  margin-top:8px;display:inline-flex;align-items:center;gap:10px;
  padding:12px 28px;border:1px solid rgba(255,255,255,.3);
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;font-weight:500;
  color:#fff;background:transparent;
  opacity:0;transform:translateY(10px);
  transition:opacity .4s,transform .4s,background .3s,border-color .3s;
}
.half:hover .enter-btn{
  opacity:1;transform:translateY(0);
  background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.6);
}
.arrow{display:inline-block;transition:transform .3s}
.half:hover .arrow{transform:translateX(5px)}
@keyframes fadeUp{
  from{opacity:0;transform:translateY(22px)}
  to{opacity:1;transform:translateY(8px)}
}
@media(min-width:769px){
  .half-mv .half-content{animation:fadeUp .85s .1s ease both}
  .half-fv .half-content{animation:fadeUp .85s .28s ease both}
}
@media(max-width:768px){
  html,body{height:100%;overflow:hidden}
  .split{flex-direction:column;height:100vh;height:100dvh}
  .half{flex:1;min-height:0}
  .divider{top:50%;bottom:auto;left:0;right:0;width:auto;height:1px;background:rgba(255,255,255,.15)}
  .half-content{padding:20px;gap:8px;transform:none!important;animation:none!important;opacity:1!important}
  .half-icon{width:32px;height:32px;margin-bottom:0}
  .half-logo{height:clamp(18px,5vw,28px)}
  .half-title{font-size:clamp(36px,10vw,58px)}
  .half-sub{font-size:9px;letter-spacing:.18em}
  .half-claim{font-size:11px;max-width:100%;display:none}
  .enter-btn{opacity:1!important;transform:translateY(0)!important;padding:9px 20px;font-size:10px;margin-top:2px}
}