*{box-sizing:border-box}
body{margin:0;background:#0B0F2B;color:#fff;font-family:'Nunito',sans-serif}
.app{display:flex;min-height:100vh}
.side{width:256px;flex:none;padding:24px 16px;border-right:2px solid #252B5C;display:flex;flex-direction:column;gap:8px;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:10px;padding:0 8px 24px}
.brand .lbl{font-size:26px;font-weight:900;color:#8B74FF}
.brand .brand-icon{width:30px;height:34px;object-fit:contain;display:block;flex:none}
.nav{display:flex;align-items:center;gap:16px;min-height:52px;padding:0 16px;border-radius:14px;font-weight:800;font-size:15px;letter-spacing:.8px;text-transform:uppercase;color:#8A91BD;text-decoration:none;border:2px solid transparent}
.nav.on{background:#1B2150;border-color:#5B3DF5;color:#B4A5FF}
main{flex:1 1 auto;min-width:0;padding:32px 24px 64px;display:flex;flex-direction:column;align-items:center;gap:28px}
.banner{width:100%;max-width:640px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;border-radius:20px;background:#5B3DF5;box-shadow:0 5px 0 #3B22B8}
.unit{font-size:13px;font-weight:800;letter-spacing:.8px;text-transform:uppercase;color:#D9D2FF}
.unit-title{font-size:23px;font-weight:900;margin-top:4px}
.guide{flex:none;padding:12px 18px;border:2px solid #8B74FF;border-radius:14px;background:#4A2FD6;color:#fff;font-weight:900;font-size:14px;letter-spacing:.8px;text-transform:uppercase;text-decoration:none}
.path{display:flex;flex-direction:column;align-items:center;gap:22px;padding-bottom:300px}
.item{position:relative;display:flex;flex-direction:column;align-items:center}
/* el item con la ventana abierta queda por encima de los siguientes */
.item:has(.pop){z-index:10}
.node{width:80px;height:72px;border:0;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;padding:0}
.node:active{transform:translateY(4px);box-shadow:none!important}
.pop{
  position:absolute;
  top:calc(100% + 18px);
  left:50%;
  transform:translateX(-50%);
  margin:0;
  width:320px;
  max-width:calc(100vw - 48px);
  padding:20px;
  border-radius:22px;
  background:#5B3DF5;
  box-shadow:0 5px 0 #3B22B8, 0 12px 30px rgba(0,0,0,.35);
  display:flex;
  flex-direction:column;
  gap:14px;
  animation:pop-in .15s ease-out;
}

/* flechita que apunta al círculo */
.pop::before{
  content:"";
  position:absolute;
  top:-8px;
  left:50%;
  width:18px;
  height:18px;
  background:#5B3DF5;
  border-radius:3px;
  transform:translateX(-50%) rotate(45deg);
}

@keyframes pop-in{
  from{opacity:0;transform:translateX(-50%) translateY(-6px)}
  to{opacity:1;transform:translateX(-50%) translateY(0)}
}
.pic{height:150px;border-radius:16px;background:#EEF0FF;display:flex;align-items:center;justify-content:center}
.pop-t{font-size:22px;font-weight:900}
.pop-x{font-size:16px;font-weight:600;line-height:1.45;color:#E7E3FF}
.lock{font-size:14px;font-weight:800;letter-spacing:.8px;text-transform:uppercase;color:#D9D2FF}
.go{display:block;width:100%;min-height:50px;padding:14px;border:0;border-radius:14px;background:#fff;color:#5B3DF5;box-shadow:0 4px 0 #C9C2F5;font:900 15px Nunito,sans-serif;letter-spacing:.8px;text-transform:uppercase;text-align:center;text-decoration:none;cursor:pointer}
.go:active{transform:translateY(3px);box-shadow:0 1px 0 #C9C2F5}
.right{width:340px;flex:none;padding:32px 24px;display:flex;flex-direction:column;gap:20px}
.box{border:2px solid #252B5C;border-radius:20px;padding:20px;background:#12173A}
.box-t{font-size:20px;font-weight:900}
.box-s{font-size:15px;font-weight:600;color:#A9B0D6;margin:6px 0 14px}
.track{height:16px;border-radius:8px;background:#252B5C;overflow:hidden}
.fill{height:16px;border-radius:8px;background:#22D3A6;width:0;transition:width .4s}
.tip{font-size:15px;font-weight:600;line-height:1.5;color:#A9B0D6;margin-top:8px}
.badges{display:flex;gap:12px}
.badge{width:56px;height:56px;border-radius:16px;background:#1B2150;display:flex;align-items:center;justify-content:center}
.badge.got{background:#5B3DF5}
@media(max-width:1000px){.right{display:none}}
@media(max-width:700px){.lbl{display:none}.side{width:72px}}