:root {
  color-scheme: dark;
  --ink: #d9d5ca;
  --ground: #030403;
  --green: #5f7f69;
  --blue: #6c7373;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
}

body {
  background:
    radial-gradient(circle at 74% 58%, rgba(95, 127, 105, 0.055), transparent 29rem),
    radial-gradient(circle at 30% 22%, rgba(108, 115, 115, 0.04), transparent 25rem),
    var(--ground);
  color: var(--ink);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  overflow: hidden;
}

.stage {
  position: relative;
  min-height: 100svh;
  isolation: isolate;
}

#topology {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, black 19%, black 81%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0%, black 19%, black 81%, transparent 100%);
}

.stage::before,
.stage::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.stage::before {
  background:
    linear-gradient(90deg, rgba(3, 4, 3, 1) 0%, rgba(3, 4, 3, 0.74) 14%, transparent 34%, transparent 66%, rgba(3, 4, 3, 0.74) 86%, rgba(3, 4, 3, 1) 100%),
    linear-gradient(180deg, rgba(3, 4, 3, 0.68) 0%, transparent 30%, rgba(3, 4, 3, 0.8) 100%);
}

.stage::after {
  opacity: 0.1;
  background-image: linear-gradient(rgba(217, 213, 202, 0.05) 1px, transparent 1px);
  background-size: 100% 4px;
  mix-blend-mode: soft-light;
}

.brand {
  position: fixed;
  top: clamp(1.1rem, 2.4vw, 2.3rem);
  left: clamp(1rem, 2.5vw, 2.4rem);
  z-index: 2;
  color: var(--ink);
  text-decoration: none;
  font-size: clamp(1.08rem, 1.2vw, 1.28rem);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1;
  text-shadow: 0 0 1rem rgba(217, 213, 202, 0.18);
  opacity: 1;
  animation: brand-in 900ms cubic-bezier(0.22, 1, 0.36, 1) 580ms forwards;
}

.brand::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.48rem;
  height: 1px;
  background: linear-gradient(90deg, var(--green), var(--blue));
  transform: scaleX(0);
  transform-origin: left;
  animation: rule-in 760ms cubic-bezier(0.22, 1, 0.36, 1) 950ms forwards;
}

@keyframes brand-in {
  from {
    opacity: 0.45;
    transform: translateY(-0.45rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes rule-in {
  to {
    transform: scaleX(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .brand,
  .brand::after {
    animation-duration: 1ms;
    animation-delay: 0ms;
  }
}