.brand {
  flex-shrink: 0;
  line-height: 0;
}

.brand img {
  display: block;
  width: auto;
  height: 64px;
  object-fit: contain;
  transition: filter 0.25s ease;
}

.brand:hover img {
  filter: drop-shadow(0 0 10px #2a8dff55);
}

.footer-top .brand img {
  height: 64px;
}

.hero h1 {
  font-size: clamp(42px, 6.2vw, 90px);
}

.portal-ring:nth-of-type(1) { animation-delay: 0s; }
.portal-ring:nth-of-type(2) { animation-delay: -.35s; }
.portal-ring:nth-of-type(3) { animation-delay: -.7s; }
.portal-ring:nth-of-type(4) { animation-delay: -1.05s; }
.portal-ring:nth-of-type(5) { animation-delay: -1.4s; }
.portal-ring:nth-of-type(6) { animation-delay: -1.75s; }
.portal-ring:nth-of-type(7) { animation-delay: -2.1s; }
.portal-ring:nth-of-type(8) { animation-delay: -2.45s; }
.portal-ring:nth-of-type(9) { animation-delay: -2.8s; }
.portal-ring:nth-of-type(10) { animation-delay: -3.15s; }
.portal-ring:nth-of-type(11) { animation-delay: -3.5s; }
.portal-ring:nth-of-type(12) { animation-delay: -3.85s; }

@media (max-width: 800px) {
  .hero h1 {
    font-size: clamp(34px, 8.5vw, 70px);
  }
  .header .brand img {
    height: 52px;
  }
}

@media (max-width: 520px) {
  .hero h1 {
    font-size: clamp(31px, 9vw, 46px);
  }
  .header .brand img {
    height: 48px;
  }

  .footer-top .brand img {
    height: 56px;
  }
}