:root {
  --text: rgb(23, 23, 23);
  --muted: rgb(115, 115, 115);
  --faint: rgb(163, 163, 163);
  --rule: rgb(229, 229, 229);
  --page: #ffffff;
  --pill: rgb(245, 245, 244);
  --serif: "Newsreader", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease: cubic-bezier(0.32, 0.72, 0, 1);
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font: 16px/24px var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; }

/* ---------- Top bar ---------- */
.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  z-index: 50;
  pointer-events: none;
}
.topbar > * { pointer-events: auto; }
.mark { display: block; line-height: 0; border-radius: 6px; }
.mark img { display: block; }
.pill {
  font-size: 14px;
  line-height: 20px;
  padding: 6px 12px;
  border-radius: 8px;
  background: var(--pill);
  color: rgb(68, 64, 60);
  text-decoration: none;
  transition: background-color .2s;
}
.pill:hover { background: rgb(231, 229, 228); }

/* ---------- Intro ---------- */
.intro {
  text-align: center;
  padding: 72px 16px 0;
}
.rule {
  width: 40px;
  height: 1px;
  margin: 0 auto 32px;
  border: 0;
  background: var(--rule);
}
h1 {
  margin: 0;
  font: 400 50px/1.1 var(--serif);
  letter-spacing: -1.25px;
  color: var(--text);
}
.tagline {
  max-width: 300px;
  margin: 16px auto 0;
  font-size: 16px;
  line-height: 24px;
  color: var(--muted);
}

/* ---------- Card stage ---------- */
.stage {
  position: relative;
  height: 600px;            /* JS sets the real height */
  margin-top: 24px;
  transition: height .6s var(--ease);
}
.stage-inner {
  position: absolute;
  left: 50%;
  top: 300px;               /* JS sets the real origin */
  width: 0;
  height: 0;
  transform-origin: 0 0;
  transition: top .6s var(--ease), transform .6s var(--ease);
}

.card {
  position: absolute;
  left: 0;
  top: 0;
  transform-origin: center;
  transition: transform .6s var(--spring);
  will-change: transform;
}

.card-body {
  position: relative;
  width: 228px;
  height: 288px;
  overflow: hidden;
  border-radius: 16px;
  background: var(--bg);
  transition:
    width .5s var(--spring),
    height .5s var(--spring),
    transform .3s var(--ease);
}

.card:not(.is-open):hover .card-body { transform: translateY(-6px); }
.stage.has-open .card:not(.is-open):hover .card-body { transform: translateY(-4px); }

.art {
  position: absolute;
  left: 16px;
  top: 16px;
  width: 312px;
  height: 192px;
  transform-origin: left top;
  transform: scale(0.628205);
  transition: transform .5s var(--spring), left .5s var(--spring), top .5s var(--spring);
  pointer-events: none;
}
.art canvas { display: block; width: 312px; height: 192px; }

.card-hit {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: inherit;
  background: transparent;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.card-hit:focus { outline: none; }
.card-hit:focus-visible { box-shadow: inset 0 0 0 2px rgba(var(--ink), .9); }

.card-title {
  position: absolute;
  left: 16px;
  top: 242px;
  margin: 0;
  font: 400 28px/30px var(--serif);
  letter-spacing: -0.2px;
  color: rgb(var(--ink));
  white-space: nowrap;
  pointer-events: none;
  transition:
    font-size .4s var(--spring),
    line-height .4s var(--spring),
    top .5s var(--spring),
    left .5s var(--spring);
}
.card.two-line .card-title { top: 212px; }

.card-desc {
  position: absolute;
  left: 24px;
  top: 280px;
  width: 312px;
  z-index: 2;
  opacity: 0;
  filter: blur(4px);
  visibility: hidden;
  transition: opacity .35s var(--ease), filter .35s var(--ease), visibility 0s linear .35s;
}
.card.two-line .card-desc { top: 316px; }
.card-desc p {
  margin: 0;
  font-size: 16px;
  line-height: 24px;
  color: rgba(var(--ink), var(--desc-alpha));
}
.visit {
  display: inline-block;
  margin-top: 14px;
  font-size: 14px;
  line-height: 20px;
  color: rgb(var(--ink));
  text-decoration: underline;
  text-decoration-color: rgba(var(--ink), .35);
  text-underline-offset: 3px;
  transition: text-decoration-color .2s, opacity .2s;
}
.visit:hover { text-decoration-color: rgb(var(--ink)); }
.visit:focus-visible { outline: 2px solid rgb(var(--ink)); outline-offset: 3px; border-radius: 2px; }

/* Open state */
.card.is-open .card-body { width: 360px; height: 464px; }
.card.is-open .art { left: 24px; top: 24px; transform: scale(1); }
.card.is-open .card-title { left: 24px; top: 232px; font-size: 36px; line-height: 38px; }
.card.is-open .card-desc {
  opacity: 1;
  filter: blur(0);
  visibility: visible;
  transition: opacity .45s var(--ease) .12s, filter .45s var(--ease) .12s, visibility 0s;
}

/* ---------- Prose ---------- */
.prose {
  max-width: 344px;
  margin: 56px auto 0;
  padding: 0 0;
}
@media (min-width: 420px) { .prose { max-width: 452px; } }
@media (min-width: 720px) { .prose { max-width: 452px; } }
.prose .rule { margin-bottom: 56px; }
.prose h3 {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 24px;
  font-weight: 600;
}
.prose p {
  margin: 0 0 16px;
  color: rgb(64, 64, 64);
}
.prose a {
  text-decoration: underline;
  text-decoration-color: var(--faint);
  text-underline-offset: 3px;
}
.prose a:hover { text-decoration-color: var(--text); }

.footer {
  margin: 96px 0 40px;
  text-align: center;
  font-size: 12px;
  line-height: 16px;
  color: var(--faint);
}

@media (max-width: 480px) {
  .intro { padding-top: 76px; }
  h1 { font-size: 42px; letter-spacing: -1px; }
  .prose { padding: 0 16px; max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
  }
}

/* First paint: place cards without transitions, then let them rise in. */
.stage.no-anim .card,
.stage.no-anim .stage-inner,
.stage.no-anim { transition: none !important; }

@keyframes card-in {
  from { opacity: 0; filter: blur(6px); translate: 0 16px; }
  to   { opacity: 1; filter: blur(0); translate: 0 0; }
}
.card-body { animation: card-in .7s var(--ease) both; }
.card:nth-child(1) .card-body { animation-delay: .05s; }
.card:nth-child(2) .card-body { animation-delay: .10s; }
.card:nth-child(3) .card-body { animation-delay: .15s; }
.card:nth-child(4) .card-body { animation-delay: .20s; }
.card:nth-child(5) .card-body { animation-delay: .25s; }