:root{
  --text:#0b2a6f;
  --muted: rgba(11,42,111,.78);
  --card: rgba(255,255,255,.72);
  --stroke: rgba(255,255,255,.40);
}

*{ box-sizing:border-box; }

body{
  margin:0;
  min-height:100vh;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:
    linear-gradient(180deg, rgba(0,0,0,.12), rgba(0,0,0,.28)),
    url("./assets/bg.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.wrap{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 48px 24px;
}

.card{
  width: min(860px, 92vw);
  text-align:center;
  padding: 42px 38px;
  border-radius: 22px;
  background: var(--card);
  border: 1px solid var(--stroke);
  backdrop-filter: blur(10px);
  box-shadow: 0 20px 70px rgba(0,0,0,.35);
}

.logo{
  width: min(680px, 78vw);
  height: auto;
  display:block;
  margin: 0 auto 18px;
}

.sub{
  margin: 10px 0 6px;
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
}

.small{
  margin: 0;
  font-size: 15px;
  color: var(--muted);
}

.small a{
  color: var(--text);
  text-decoration: none;
}
.small a:hover{ text-decoration: underline; }