body.logo-demo-page {
  font-family: "Segoe UI", Arial, sans-serif;
  background:
    radial-gradient(circle at 12% 18%, rgba(45, 99, 246, 0.12), transparent 26%),
    radial-gradient(circle at 88% 78%, rgba(16, 185, 129, 0.10), transparent 24%),
    linear-gradient(180deg, #fbfcff 0%, #f4f7fc 100%);
}

.logo-page {
  padding: 24px;
}

.logo-brand {
  transform: scale(1);
}

.group-login-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 1.35rem;
}

.group-login-logo .logo-brand {
  transform: scale(0.88);
  transform-origin: center;
}

.group-login-logo .logo-mark {
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.16);
}

.logo-mark {
  position: relative;
  width: 68px;
  height: 68px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #0f1f39 0%, #2453d4 58%, #3d7dff 100%);
  color: #ffffff;
  font-weight: 900;
  font-size: 1.08rem;
  letter-spacing: 0.08em;
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.20);
}

.logo-mark::after {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.logo-copy {
  line-height: 1;
}

.logo-title {
  font-size: 1.72rem;
  font-weight: 900;
  color: #0f172a;
  letter-spacing: -0.04em;
}

.logo-subtitle {
  margin-top: 0.34rem;
  font-size: 0.98rem;
  color: #607089;
  font-weight: 600;
  letter-spacing: 0.01em;
}

@media (max-width: 575.98px) {
  .group-login-logo {
    margin-bottom: 1rem;
  }

  .group-login-logo .logo-brand {
    transform: scale(0.82);
  }

  .logo-mark {
    width: 58px;
    height: 58px;
    border-radius: 18px;
    font-size: 0.98rem;
  }

  .logo-title {
    font-size: 1.38rem;
  }

  .logo-subtitle {
    font-size: 0.9rem;
  }
}