.page-404{
  padding: 80px 20px;
  text-align: center;
}

.page-404 h1{
  font-size: 28px;
  margin-bottom: 20px;
}

.page-404 .lead{
  font-size: 18px;
  opacity: .8;
  margin-bottom: 30px;
}

.links-404{
  list-style: none;
  padding: 0;
  margin: 25px 0;
}

.links-404 li{
  margin: 10px 0;
}

.links-404 a{
  text-decoration: none;
  font-weight: 600;
}

.cta-404{
  margin-top: 35px;
}

.btn-404{
  display: inline-block;
  padding: 10px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, #d648a0, #8d2b9a);
  color: white;
  text-decoration: none;
  font-weight: 700;
  transition: transform .2s ease, box-shadow .2s ease;
}

.btn-404:hover{
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(0,0,0,.2);
}