html,
body {
  display: block;
  height: auto;
  min-height: 100%;
  background: #fafafa;
  color: #111;
  font-family: "Courier New", monospace;
}
* {
  box-sizing: border-box;
}
#signal {
  height: 100svh;
  min-height: 320px;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  background: white;
  transition:
    height 1.15s cubic-bezier(0.76, 0, 0.24, 1),
    min-height 1.15s cubic-bezier(0.76, 0, 0.24, 1);
  border-bottom: 1px solid #111;
}
#signal canvas {
  inset: 0;
  pointer-events: none;
}
.brand-scale {
  transition: transform 1.15s cubic-bezier(0.76, 0, 0.24, 1);
}
#container {
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 30px;
  gap: 8px;
  color: black;
}
.bracket {
  font:
    144px "Russo One",
    sans-serif;
  line-height: 1.1;
}
.is-open #signal {
  height: 180px;
  min-height: 180px;
}
.is-open .brand-scale {
  transform: scale(0.48);
}
#container:focus-visible {
  outline: 2px solid #111;
  outline-offset: 8px;
}
main {
  max-width: 1180px;
  margin: auto;
  padding: 48px 36px 0;
}
main[hidden] {
  display: none;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.card {
  display: block;
  border: 1px solid #999;
  background: #fafafa;
  overflow: hidden;
  min-width: 0;
  transition: border-color 0.15s;
}
.card:hover {
  border-color: #111;
}
.card:focus-visible {
  outline: 2px solid #111;
  outline-offset: 5px;
}
.graphic {
  height: 230px;
  border-bottom: 1px solid #aaa;
  color: #666;
  transition: color 0.2s;
}
.graphic svg {
  width: 100%;
  height: 100%;
  display: block;
}
.card:hover .graphic {
  color: #111;
}
.network {
  background: #eee;
}
.card-info {
  padding: 26px 24px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.card-info h2 {
  font-family: "Russo One", sans-serif;
  font-size: 28px;
  font-weight: 400;
  line-height: 1.3;
  margin: 0;
  color: #111;
}
.arrow {
  font-size: 25px;
  line-height: 1;
}
.address {
  padding: 0 24px 25px;
  font-size: 12px;
  color: #777;
  display: flex;
  justify-content: space-between;
}
.address span {
  font-size: 10px;
  color: #777;
}
footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  padding: 26px 0;
  font-size: 10px;
  color: #777;
}
footer details {
  max-width: 280px;
  text-align: right;
}
footer summary {
  cursor: pointer;
}
footer p {
  line-height: 1.8;
  text-align: left;
  font-size: 10px;
}
@media (max-width: 800px) {
  main {
    padding: 26px 20px 0;
  }
  .cards {
    gap: 16px;
  }
  .graphic {
    height: 190px;
  }
  .card-info {
    padding: 20px 16px 12px;
  }
  .card-info h2 {
    font-size: 22px;
  }
  .address {
    padding: 0 16px 20px;
    font-size: 11px;
  }
  #signal #animated-text {
    font-size: 36px;
  }
  .bracket {
    font-size: 80px;
  }
  .is-open #signal {
    height: 132px;
    min-height: 132px;
  }
  .is-open .brand-scale {
    transform: scale(0.7);
  }
}
@media (max-width: 540px) {
  .cards {
    grid-template-columns: 1fr;
  }
  .graphic {
    height: 185px;
  }
  footer {
    flex-wrap: wrap;
  }
  footer details {
    max-width: 240px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}