:root {
  --y: #FFD500;
  --k: #0B0B0B;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --pad: clamp(16px, 3vw, 40px);
  --tilt: clamp(8px, 3vw, 44px);
}
* { box-sizing: border-box; margin: 0; }
html {
  color-scheme: light;
  background: var(--y);
  scrollbar-color: var(--k) var(--y);
}
body {
  min-height: 100vh;
  background: var(--y);
  color: var(--k);
  font-family: "Archivo", "Helvetica Neue", Arial, sans-serif;
  font-stretch: 100%;
  font-weight: 500;
  font-size: 1.125rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: var(--k); color: var(--y); }
a { color: inherit; }
:focus-visible { outline: 4px solid var(--k); outline-offset: 4px; }
.on-black :focus-visible { outline-color: var(--y); }
main { overflow-x: clip; }

.skip {
  position: absolute; left: var(--pad); top: var(--pad); z-index: 10;
  padding: 12px 16px;
  background: var(--k); color: var(--y);
  font-weight: 800; text-decoration: none;
  transform: translateY(-300%);
}
.skip:focus-visible { transform: none; outline-color: var(--k); }

/* hero */
.hero {
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: space-between; gap: 48px;
  padding: var(--pad);
  overflow-x: clip;
}
.title { position: relative; }
h1 {
  font-weight: 900;
  font-stretch: 75%;
  text-transform: uppercase;
  text-wrap: balance;
}
.hi {
  display: block;
  font-size: clamp(2.25rem, 7.4vw, 6.5rem);
  line-height: 1;
  letter-spacing: -0.02em;
}
.name {
  display: block;
  overflow: hidden;
  font-size: min(40rem, calc((100vw - 2 * var(--pad)) / 3.747));
  line-height: 0.82;
  letter-spacing: -0.04em;
  margin-left: -0.04em;
  padding-top: 0.04em;
}
.name > span {
  display: block;
  animation: rise 1100ms var(--ease) 100ms backwards;
}
@keyframes rise { from { transform: translateY(105%); } }
.lede {
  max-width: 28ch;
  font-size: clamp(1.25rem, 2.4vw, 2rem);
  line-height: 1.15;
  font-weight: 800;
  font-stretch: 85%;
  text-wrap: balance;
}

/* sticker stamp: overlaps the name, tilted like a pasted label */
.stamp {
  position: absolute; z-index: 2;
  right: var(--pad); bottom: -50%;
  width: clamp(120px, 17vw, 260px);
  height: auto;
  transform: rotate(-9deg);
  fill: var(--k);
  font-family: inherit;
}
.stamp .disc { fill: var(--y); stroke: var(--k); stroke-width: 6; }
.stamp .dn { fill: none; stroke: var(--k); stroke-width: 9; stroke-linecap: round; stroke-linejoin: round; }
.stamp .ring { transform-origin: 50% 50%; animation: spin 28s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* boards: full width station signs */
.board { padding: var(--pad); }
.board.on-black {
  background: var(--k); color: var(--y);
  transform: rotate(-1.4deg);
  margin: clamp(16px, 4vw, 56px) calc(var(--tilt) * -1);
  padding-inline: calc(var(--pad) + var(--tilt));
}
.board.on-black ::selection { background: var(--y); color: var(--k); }
.board h2 {
  font-size: clamp(1.25rem, 2.4vw, 2rem);
  font-weight: 900;
  font-stretch: 75%;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1;
  margin-bottom: var(--pad);
}
.board ul { list-style: none; padding: 0; border-top: 4px solid currentColor; }
.board li { border-bottom: 4px solid currentColor; display: flex; flex-wrap: wrap; align-items: stretch; }
.sign {
  position: relative; isolation: isolate;
  flex: 1 1 100%; min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "name arrow" "meta arrow";
  align-items: center; column-gap: 16px; row-gap: 8px;
  padding: clamp(16px, 2.4vw, 32px) 0;
  text-decoration: none;
  transition: color 300ms var(--ease);
}
.sign::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  margin-inline: calc(var(--pad) * -1);
  background: var(--k);
  transform: scaleX(0); transform-origin: left;
  transition: transform 500ms var(--ease);
}
.on-black .sign::before { background: var(--y); margin-inline: calc((var(--pad) + var(--tilt)) * -1); }
.sign-name {
  grid-area: name;
  font-size: clamp(2.25rem, 8.4vw, 8rem);
  font-weight: 900; font-stretch: 75%;
  text-transform: uppercase;
  line-height: 0.9; letter-spacing: -0.03em;
  overflow-wrap: anywhere;
}
.sign-meta {
  grid-area: meta;
  max-width: 46ch;
  font-size: 1.125rem; line-height: 1.35;
  font-weight: 600;
  text-wrap: pretty;
}
.sign-meta b { font-weight: 900; font-stretch: 80%; letter-spacing: 0.02em; overflow-wrap: anywhere; }
.arrow {
  grid-area: arrow;
  width: clamp(40px, 7vw, 96px); height: auto;
  fill: none; stroke: currentColor; stroke-width: 12; stroke-linecap: round; stroke-linejoin: round;
  transition: transform 500ms var(--ease);
}
.sign:active { transform: scale(0.99); }
.sign:focus-visible { outline: none; color: var(--y); }
.on-black .sign:focus-visible { color: var(--k); }
.sign:focus-visible::before { transform: scaleX(1); }
.sign:focus-visible .arrow { transform: translateX(8px); }
@media (hover: hover) {
  .sign:hover { color: var(--y); }
  .on-black .sign:hover { color: var(--k); }
  .sign:hover::before { transform: scaleX(1); }
  .sign:hover .arrow { transform: translateX(12px); }
}

.copy {
  flex: none;
  min-width: 44px; min-height: 44px;
  margin: 0 0 var(--pad);
  padding: 8px 16px;
  background: transparent; color: inherit;
  border: 4px solid currentColor; border-radius: 0;
  font: inherit; font-weight: 900; font-stretch: 85%;
  text-transform: uppercase; letter-spacing: 0.04em;
  cursor: pointer;
  transition: background-color 300ms var(--ease), color 300ms var(--ease), transform 500ms var(--ease);
}
.copy:active { transform: scale(0.97); }
.copy[data-state="done"] { background: var(--k); color: var(--y); }
.copy[data-state="error"] { text-decoration: underline wavy; }
@media (hover: hover) { .copy:hover { background: var(--k); color: var(--y); } }
.status { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }

footer {
  display: flex; justify-content: flex-end; align-items: center; gap: 16px;
  padding: var(--pad);
  font-size: 1rem; font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.04em;
}
footer a { display: inline-block; padding: 12px 0; min-height: 44px; text-underline-offset: 6px; text-decoration-thickness: 3px; }

/* text pages (404, privacy) */
.page { min-height: 100svh; padding: var(--pad); display: flex; flex-direction: column; justify-content: space-between; gap: 64px; }
.page h1 { font-size: clamp(3rem, 13vw, 12rem); line-height: 0.85; letter-spacing: -0.04em; }
.page p { max-width: 52ch; margin-top: 24px; font-size: 1.25rem; font-weight: 600; text-wrap: pretty; }
.btn {
  display: inline-block; margin-top: 32px; padding: 12px 24px; min-height: 44px;
  background: var(--k); color: var(--y);
  font-weight: 900; font-stretch: 85%; text-transform: uppercase; letter-spacing: 0.04em;
  text-decoration: none;
  transition: transform 500ms var(--ease);
}
.btn:active { transform: scale(0.97); }
@media (hover: hover) { .btn:hover { transform: translateY(-4px); } }

@media (max-width: 640px) {
  .hero { min-height: 0; gap: 56px; padding-bottom: 64px; }
  .name {
    font-stretch: 62%;
    font-size: calc((100vw - 2 * var(--pad)) / 3.13);
  }
  .stamp { bottom: -148px; width: 124px; }
  .lede { max-width: 22ch; }
}

@media (prefers-reduced-motion: reduce) {
  .name > span { animation: none; }
  .stamp .ring { animation: none; }
  .sign::before { transition: none; }
  .sign, .arrow, .btn, .copy { transition: color 300ms linear, background-color 300ms linear; }
  .sign:hover .arrow, .sign:focus-visible .arrow, .btn:hover, .sign:active, .copy:active, .btn:active { transform: none; }
}