:root {
  color-scheme: light dark;
  --canvas: #f6f3fa;
  --ink: #251b32;
  --muted: #5b5068;
  --line: #d8cfe1;
  --accent: #5831a7;
  --button-ink: #fff;
  --focus: #9d245c;
}

@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #19131f;
    --ink: #f5eefb;
    --muted: #c0b3cc;
    --line: #473950;
    --accent: #c4afff;
    --button-ink: #241737;
    --focus: #ff9bc5;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  background: var(--canvas);
  color: var(--ink);
  font: 1rem/1.6 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.wrap {
  width: min(100% - 2.5rem, 68rem);
  margin-inline: auto;
}

a {
  color: var(--accent);
  text-underline-offset: .2em;
}

a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
  border-radius: 3px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem 1rem;
  min-height: 4.75rem;
  padding-block: .75rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  min-height: 44px;
  color: var(--ink);
  font-weight: 750;
  letter-spacing: -.025em;
  text-decoration: none;
}

.brand img { flex: none; }

.header-note,
.eyebrow {
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: .75rem;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.header-note { color: var(--muted); }
.eyebrow { margin: 0 0 .75rem; color: var(--accent); }

main { flex: 1; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  align-items: center;
  gap: clamp(1.5rem, 6vw, 4rem);
  padding-block: clamp(2rem, 5vw, 4rem);
  border-bottom: 1px solid var(--line);
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 8.5vw, 6.25rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -.07em;
}

.hero h1 span { color: var(--accent); }

.lead {
  max-width: 34ch;
  margin: 1.1rem 0 0;
  color: var(--muted);
  font-size: clamp(1.1rem, 2.15vw, 1.38rem);
}

.card-study {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 12rem;
  aspect-ratio: 1.6;
  overflow: hidden;
  border-radius: 1rem;
  background-color: #302055;
  background-image:
    radial-gradient(circle, #8c71bb 1px, transparent 1.5px),
    linear-gradient(135deg, #42266f, #261b42);
  background-size: 18px 18px, auto;
}

.study-card {
  position: absolute;
  width: min(30%, 6.6rem);
  aspect-ratio: 5 / 7;
  border: 1px solid #baa3e7;
  border-radius: .65rem;
}

.study-card-back {
  background: #423263;
  transform: translateX(-29%) rotate(-13deg);
}

.study-card-front {
  display: grid;
  place-items: center;
  background: #cdbafb;
  border-color: #e7d9ff;
  box-shadow: 5px 7px 0 #231637;
  transform: translateX(29%) rotate(12deg);
}

.study-card-front span {
  width: 36%;
  aspect-ratio: 1;
  border: 2px solid #553788;
  border-radius: .28rem;
  transform: rotate(45deg);
}

.details {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  gap: clamp(1.5rem, 6vw, 4rem);
  padding-block: clamp(1.75rem, 4vw, 2.8rem);
}

h2 {
  margin: 0 0 .75rem;
  font-size: 1.4rem;
  line-height: 1.25;
  letter-spacing: -.025em;
}

.details p,
.document p:not(.eyebrow) {
  margin: 0 0 1rem;
  color: var(--muted);
}

.games {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.games li {
  padding-block: .55rem;
  border-bottom: 1px solid var(--line);
  overflow-wrap: anywhere;
}

.contact strong {
  display: block;
  color: var(--ink);
}

.contact a,
.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  max-width: 100%;
  overflow-wrap: anywhere;
}

.site-footer {
  padding-block: .65rem 1.4rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0 1.25rem;
}

.site-footer small { font-size: .875rem; }

.document {
  max-width: 42rem;
  padding-block: clamp(2.5rem, 7vw, 5rem);
}

.document h1 {
  margin-bottom: 1.4rem;
  font-size: clamp(2.5rem, 6vw, 4rem);
  letter-spacing: -.055em;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: .55rem .9rem;
  border-radius: .55rem;
  background: var(--accent);
  color: var(--button-ink);
  font-weight: 700;
}

@media (max-width: 44rem) {
  .hero,
  .details {
    grid-template-columns: minmax(0, 1fr);
  }

  .card-study {
    min-height: 0;
    height: clamp(9.5rem, 37vw, 13rem);
    aspect-ratio: auto;
  }

  .study-card { width: min(24%, 5rem); }
}

@media (max-width: 23rem) {
  .header-note { letter-spacing: .04em; }
  .games { column-gap: .8rem; }
}

@media (forced-colors: active) {
  .button { border: 1px solid ButtonText; }
}