:root {
  --pink: #ec8ec0;
  --green: #2ca900;
  --ink: #080808;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--ink);
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--ink);
  color: var(--green);
  font-family: "Courier New", monospace;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  opacity: .1;
  mix-blend-mode: screen;
  background-image: repeating-radial-gradient(circle at 20% 30%, transparent 0 4px, rgba(255, 255, 255, .12) 5px 6px);
  background-size: 117px 109px;
}

.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;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 100;
  padding: .8rem 1rem;
  color: var(--ink);
  background: var(--green);
  font-weight: 700;
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

.identity {
  width: 100%;
  overflow: hidden;
  background: var(--pink);
  border-bottom: 2px solid var(--ink);
}

.identity img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0;
}

.void {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--ink);
}

.void::before,
.void::after {
  content: "";
  position: absolute;
  background: var(--green);
  opacity: .35;
}

.void::before {
  width: 1px;
  height: 38vh;
  left: 50%;
  top: 0;
}

.void::after {
  width: 38vw;
  height: 1px;
  left: 0;
  top: 50%;
}

.north,
.east {
  position: absolute;
  z-index: 2;
  color: rgba(44, 169, 0, .55);
  font: 700 .75rem/1 "Courier New", monospace;
  letter-spacing: .08em;
}

.north {
  top: 1.5rem;
  left: 1.5rem;
}

.east {
  right: 1.5rem;
  bottom: 1.5rem;
}

.void details {
  position: relative;
  z-index: 3;
  text-align: center;
}

.void summary {
  cursor: pointer;
  list-style: none;
  outline-offset: 1rem;
}

.void summary::-webkit-details-marker {
  display: none;
}

.void summary span {
  display: block;
  color: var(--green);
  font: 900 clamp(9rem, 30vw, 28rem)/.65 Impact, "Arial Narrow", sans-serif;
  letter-spacing: -.08em;
  transition: color .18s ease, text-shadow .18s ease;
}

.void summary:hover span,
.void summary:focus-visible span {
  color: var(--pink);
  text-shadow: 12px 0 0 var(--green);
}

.void details > div {
  margin-top: clamp(3rem, 8vw, 8rem);
  color: var(--pink);
  font: 700 clamp(1rem, 2.3vw, 2.1rem)/1 "Courier New", monospace;
  letter-spacing: .35em;
  animation: signal .8s steps(1) infinite;
}

footer {
  height: 18px;
  overflow: hidden;
  background: var(--green);
}

@keyframes signal {
  50% { opacity: .08; }
}

@media (min-width: 1100px) {
  .identity {
    height: 100svh;
  }

  .identity img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
  }
}

@media (max-width: 620px) {
  .void summary span {
    font-size: clamp(8rem, 37vw, 13rem);
  }

  .north { top: 1rem; left: 1rem; }
  .east { right: 1rem; bottom: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .void details > div { animation: none; }
}