:root {
  color-scheme: dark;
  --charcoal: #171817;
  --charcoal-soft: #1d1f1d;
  --ink: #f1f0e9;
  --muted: #969990;
  --line: rgba(241, 240, 233, 0.14);
  --line-strong: rgba(241, 240, 233, 0.34);
  --accent: #c6d7b2;
  --pointer-x: 50%;
  --pointer-y: 42%;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 20rem;
  background: var(--charcoal);
}

body {
  min-height: 100svh;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(
      circle 34rem at var(--pointer-x) var(--pointer-y),
      rgba(198, 215, 178, 0.075),
      transparent 72%
    ),
    var(--charcoal);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

button {
  font: inherit;
}

.ambient-grid {
  position: fixed;
  inset: -4rem;
  z-index: 0;
  pointer-events: none;
  opacity: 0.42;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 4rem 4rem;
  -webkit-mask-image: radial-gradient(ellipse 75% 68% at 50% 46%, black 4%, transparent 76%);
  mask-image: radial-gradient(ellipse 75% 68% at 50% 46%, black 4%, transparent 76%);
  animation: grid-drift 28s linear infinite;
}

.ambient-grid::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 25%, rgba(198, 215, 178, 0.055), transparent 72%);
  opacity: 0;
  transition: opacity 900ms ease;
}

.workshop-entered .ambient-grid::after {
  opacity: 1;
}

.site-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-rows: auto 1fr auto;
  width: min(100%, 120rem);
  min-height: 100svh;
  margin-inline: auto;
  padding: clamp(1.25rem, 3vw, 2.75rem) clamp(1.25rem, 4vw, 4.75rem);
}

.site-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-header {
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.site-mark {
  color: var(--ink);
  font-size: 0.8125rem;
  font-weight: 700;
}

.hero {
  display: grid;
  align-content: center;
  gap: clamp(3rem, 8vh, 6.5rem);
  padding-block: clamp(4rem, 11vh, 9rem);
}

.hero-copy {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3.75rem);
}

.wordmark {
  max-width: 100%;
  margin: 0;
  font-family: "Cascadia Mono", "Cascadia Code", Consolas, "Liberation Mono", monospace;
  font-size: clamp(3rem, 9.4vw, 9rem);
  font-weight: 600;
  line-height: 0.9;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.cursor {
  display: inline-block;
  width: 0.55em;
  margin-left: 0.035em;
  color: var(--accent);
  letter-spacing: 0;
  animation: cursor-blink 1.15s steps(1, end) infinite;
}

.tagline {
  display: grid;
  gap: 0.18em;
  width: fit-content;
  margin: 0;
  font-size: clamp(1.15rem, 2vw, 1.65rem);
  font-weight: 430;
  line-height: 1.28;
  letter-spacing: -0.025em;
}

.tagline span:last-child {
  color: var(--muted);
}

.threshold {
  position: relative;
  display: grid;
  grid-template-columns: minmax(12rem, max-content) minmax(0, 1fr);
  align-items: center;
  gap: clamp(1.5rem, 5vw, 4.5rem);
  min-height: 4.25rem;
}

.enter-button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 3.25rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background: rgba(23, 24, 23, 0.52);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-align: left;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    border-color 220ms ease,
    background-color 220ms ease,
    color 220ms ease;
}

.enter-button:hover {
  border-color: var(--accent);
  background: rgba(198, 215, 178, 0.075);
}

.enter-button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.enter-button[aria-expanded="true"] {
  border-color: var(--line);
  color: var(--muted);
}

.button-arrow {
  color: var(--accent);
  font-size: 1rem;
  transition: transform 300ms ease;
}

.enter-button:hover .button-arrow {
  transform: translateX(0.22rem);
}

.enter-button[aria-expanded="true"] .button-arrow {
  transform: rotate(90deg);
}

.workshop-message {
  display: grid;
  gap: 0.1em;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.8vw, 1.35rem);
  line-height: 1.3;
  opacity: 0;
  transform: translateY(0.6rem);
  transition:
    opacity 500ms ease,
    transform 500ms ease;
}

.workshop-message span:last-child {
  color: var(--ink);
}

.workshop-message[aria-hidden="false"] {
  opacity: 1;
  transform: translateY(0);
}

.site-footer {
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

@keyframes cursor-blink {
  0%,
  46% {
    opacity: 1;
  }

  47%,
  100% {
    opacity: 0;
  }
}

@keyframes grid-drift {
  to {
    transform: translate3d(4rem, 4rem, 0);
  }
}

@media (max-width: 46rem) {
  .site-shell {
    padding: 1.25rem;
  }

  .hero {
    gap: 3.25rem;
    padding-block: 4.5rem;
  }

  .wordmark {
    font-size: clamp(2.15rem, 11.5vw, 5.5rem);
  }

  .threshold {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 1.5rem;
  }

  .enter-button {
    width: min(100%, 22rem);
  }

}

@media (max-width: 24rem) {
  .build-label {
    letter-spacing: 0.06em;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .cursor {
    animation: none !important;
    opacity: 1;
  }

  .ambient-grid {
    animation: none !important;
  }
}