:root {
  --dirt: #6b4a2b;
  --dirt-dark: #4e3520;
  --grass: #5d9c3b;
  --grass-light: #7cbd4f;
  --stone: #2b2b2b;
  --stone-light: #3a3a3a;
  --text: #f2f2f2;
  --muted: #b9b9b9;
  --accent: #ffd84a;
  --pixel: 4px;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--stone);
  background-image:
    linear-gradient(45deg, var(--stone-light) 25%, transparent 25%),
    linear-gradient(-45deg, var(--stone-light) 25%, transparent 25%);
  background-size: 32px 32px;
  color: var(--text);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 16px;
  line-height: 1.6;
}

.hero {
  position: relative;
  padding: 72px 16px 40px;
  text-align: center;
  background:
    repeating-linear-gradient(90deg, var(--dirt) 0 16px, var(--dirt-dark) 16px 32px),
    var(--dirt);
  border-bottom: var(--pixel) solid #000;
}

.grass {
  position: absolute;
  inset: 0 0 auto;
  height: 28px;
  background: repeating-linear-gradient(
    90deg,
    var(--grass) 0 12px,
    var(--grass-light) 12px 20px,
    var(--grass) 20px 32px
  );
  border-bottom: var(--pixel) solid #3e6e26;
}

h1 {
  margin: 0;
  font-size: clamp(40px, 9vw, 72px);
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent);
  text-shadow:
    var(--pixel) var(--pixel) 0 #3f3000,
    calc(var(--pixel) * 2) calc(var(--pixel) * 2) 0 #000;
}

.tagline {
  margin: 8px 0 0;
  font-size: 18px;
  text-shadow: 2px 2px 0 #000;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 72px 16px 16px;
  display: grid;
  gap: 24px;
}

.panel {
  padding: 20px 24px;
  background: rgba(20, 20, 20, 0.92);
  border: var(--pixel) solid #000;
  box-shadow:
    inset var(--pixel) var(--pixel) 0 #555,
    inset calc(var(--pixel) * -1) calc(var(--pixel) * -1) 0 #1a1a1a;
}

h2 {
  margin: 0 0 12px;
  font-size: 20px;
  color: var(--grass-light);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.copy-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.address code {
  flex: 1 1 260px;
  padding: 12px 16px;
  font-size: clamp(18px, 4.5vw, 26px);
  color: var(--accent);
  background: #000;
  border: var(--pixel) solid #555;
  word-break: break-all;
}

button {
  padding: 12px 20px;
  font: inherit;
  font-weight: bold;
  color: #fff;
  background: #6f6f6f;
  border: var(--pixel) solid #000;
  box-shadow:
    inset var(--pixel) var(--pixel) 0 #a5a5a5,
    inset calc(var(--pixel) * -1) calc(var(--pixel) * -1) 0 #3f3f3f;
  cursor: pointer;
  text-shadow: 2px 2px 0 #3f3f3f;
}

button:hover,
button:focus-visible {
  background: #7b8bd3;
  outline: none;
}

button.copied {
  background: var(--grass);
}

.meta,
.note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.steps {
  margin: 0;
  padding-left: 24px;
}

.steps li + li {
  margin-top: 10px;
}

code {
  padding: 1px 6px;
  color: var(--accent);
  background: #000;
}

a {
  color: var(--accent);
}

em {
  font-style: normal;
  color: #9fd3ff;
}

.commands {
  margin: 0;
}

.commands dt {
  margin-top: 10px;
}

.commands dd {
  margin: 2px 0 0 16px;
  color: var(--muted);
}

.facts {
  margin: 0;
  padding-left: 20px;
}

footer {
  margin-top: 40px;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
}

footer p {
  margin: 0;
  padding: 16px;
  background: var(--dirt-dark);
}

.pet {
  display: block;
  image-rendering: pixelated;
  animation: step 1.6s steps(1) infinite;
}

.pet.flip {
  transform: scaleX(-1);
  animation-name: step-flipped;
}

.address {
  position: relative;
}

.peek {
  position: absolute;
  top: -64px;
  right: 32px;
  animation-delay: 0.4s;
}

.meadow .pets {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.meadow .pets .pet:nth-child(2) {
  animation-delay: 0.8s;
}

.meadow .pets .pet:nth-child(3) {
  animation-delay: 0.3s;
}

.ground {
  height: 32px;
  background:
    linear-gradient(var(--grass-light) 0 6px, var(--grass) 6px 14px, transparent 14px),
    repeating-linear-gradient(90deg, var(--dirt) 0 16px, var(--dirt-dark) 16px 32px);
  border-top: var(--pixel) solid #3e6e26;
}

@keyframes step {
  50% {
    transform: translateY(-3px);
  }
}

@keyframes step-flipped {
  0%,
  100% {
    transform: scaleX(-1);
  }
  50% {
    transform: scaleX(-1) translateY(-3px);
  }
}

@media (max-width: 560px) {
  .wide-only {
    display: none;
  }

  .meadow .pet.wolf {
    width: 99px;
    height: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pet {
    animation: none;
  }
}