:root {
  --bg: #080c10;
  --bg-raise: #10161c;
  --ink: #e6eef2;
  --muted: #a9bac3;
  --faint: #7e919b;
  --line: rgba(215, 230, 238, 0.14);
  --ice: #d7e6ee;
  --cyan: #8ec9d6;
  --serif: "Instrument Serif", "Iowan Old Style", Palatino, Georgia, serif;
  --sans: Outfit, "Avenir Next", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --measure: 42rem;
  --page: 72rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(900px 420px at 12% -10%, rgba(142, 201, 214, 0.09), transparent 60%),
    var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.6;
  color-scheme: dark;
}

::selection {
  background: #1a4652;
  color: #f4f8fa;
}

a {
  color: var(--ice);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover { color: var(--cyan); }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--ice);
  color: var(--bg);
  padding: 0.5rem 0.8rem;
  z-index: 5;
}

.skip:focus { top: 1rem; }

.wrap {
  width: min(var(--page), calc(100% - 2.5rem));
  margin: 0 auto;
}

header {
  border-bottom: 1px solid var(--line);
}

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4.5rem;
}

.mark {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  color: var(--ink);
  text-decoration: none;
}

.mark-name {
  font-family: var(--serif);
  font-size: 1.45rem;
  letter-spacing: -0.03em;
}

.mark-tld {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--cyan);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.15rem;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

nav a:hover { color: var(--ink); }

main { padding-bottom: 5rem; }

.hero {
  padding: 5.5rem 0 4rem;
  max-width: 48rem;
  border-top: 0;
}

.kicker {
  margin: 0 0 1.25rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--cyan);
}

h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3.1rem, 8vw, 5.6rem);
  line-height: 0.92;
  letter-spacing: -0.035em;
}

h1 em {
  font-style: italic;
  font-weight: 400;
}

.lede {
  margin: 1.75rem 0 0;
  max-width: var(--measure);
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--muted);
  font-weight: 300;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 2rem 0 0;
}

.actions a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0.45rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  text-decoration: none;
  background: rgba(16, 22, 28, 0.65);
}

.actions a:hover {
  border-color: rgba(142, 201, 214, 0.55);
  color: var(--cyan);
}

.actions a.primary {
  background: var(--ice);
  color: #0b1216;
  border-color: var(--ice);
}

.actions a.primary:hover {
  background: white;
  color: #0b1216;
}

section {
  padding: 3.5rem 0;
  border-top: 1px solid var(--line);
}

.section-head {
  max-width: 40rem;
  margin-bottom: 2.25rem;
}

h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.2rem, 4vw, 3.25rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
}

.section-head .kicker { margin-bottom: 0.7rem; }

.deck {
  margin: 1rem 0 0;
  max-width: 38rem;
  color: var(--muted);
}

.phase {
  display: grid;
  grid-template-columns: 7.5rem minmax(0, 1fr);
  gap: 1rem 2rem;
  padding: 1.45rem 0;
  border-top: 1px solid var(--line);
}

.phase:last-child { border-bottom: 1px solid var(--line); }

.phase-id {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--cyan);
  padding-top: 0.35rem;
}

.phase h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.85rem;
  font-weight: 400;
  letter-spacing: -0.03em;
}

.phase p {
  margin: 0.4rem 0 0;
  max-width: 40rem;
  color: var(--muted);
}

code, .formula {
  font-family: var(--mono);
  font-size: 0.92em;
}

p code {
  color: var(--ice);
  font-size: 0.86em;
  white-space: nowrap;
}

.formula {
  margin: 0;
  max-width: 40rem;
  padding: 1.4rem 1.3rem;
  background: var(--bg-raise);
  border: 1px solid var(--line);
  color: var(--ice);
  font-size: 1.05rem;
  line-height: 1.7;
  overflow-x: auto;
}

.formula span {
  display: block;
  color: var(--faint);
  font-size: 0.78rem;
  margin-bottom: 0.7rem;
}

.seats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.seat {
  padding: 1.35rem 1.3rem 1.45rem;
  background: var(--bg-raise);
  border: 1px solid var(--line);
}

.seat .kicker { margin-bottom: 0.45rem; }

.seat h3 {
  margin: 0 0 0.75rem;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.85rem;
  letter-spacing: -0.03em;
}

.seat p:last-child {
  margin: 0;
  color: var(--muted);
}

.closeout {
  margin: 1.6rem 0 0;
  max-width: 40rem;
  color: var(--muted);
}

.flow {
  list-style: none;
  margin: 0;
  padding: 0;
}

.flow-step {
  display: grid;
  grid-template-columns: 3.25rem minmax(0, 1fr);
  column-gap: 1.1rem;
}

.flow-mark {
  position: relative;
}

.flow-mark span {
  position: relative;
  z-index: 1;
  width: 2.15rem;
  height: 2.15rem;
  margin-top: 0.15rem;
  border: 1px solid rgba(142, 201, 214, 0.55);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--cyan);
  background: var(--bg);
}

.flow-step:not(:last-child) .flow-mark::after {
  content: "";
  position: absolute;
  left: 1.075rem;
  top: 2.3rem;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.flow-step.off .flow-mark span {
  border-style: dashed;
  border-color: var(--line);
  color: var(--faint);
}

.flow-body { padding-bottom: 2.1rem; }

.flow-body h3 {
  margin: 0.2rem 0 0.45rem;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.75rem;
  letter-spacing: -0.03em;
}

.flow-body > p,
.flow-note {
  margin: 0;
  max-width: 40rem;
  color: var(--muted);
}

.flow-note {
  margin-top: 0.85rem;
  font-size: 0.95rem;
}

.flow-split,
.passes,
.deal,
.result {
  margin-top: 1rem;
}

.flow-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  max-width: 40rem;
}

.flow-split div,
.passes li,
.result {
  padding: 0.85rem 0.95rem;
  background: var(--bg-raise);
  border: 1px solid var(--line);
}

.flow-split span,
.deal span,
.result span,
.passes span {
  display: block;
  margin-bottom: 0.3rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--cyan);
}

.flow-split code {
  color: var(--ice);
  font-size: 0.92rem;
}

.passes {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
  max-width: 40rem;
}

.passes li { color: var(--muted); }

.deal {
  display: flex;
  flex-wrap: wrap;
  gap: 1.15rem 1.75rem;
}

.cards {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.cards b {
  width: 2.15rem;
  height: 3rem;
  display: grid;
  place-items: center;
  border: 1px solid rgba(215, 230, 238, 0.28);
  border-radius: 0.28rem;
  background: linear-gradient(180deg, rgba(142, 201, 214, 0.08), transparent 55%);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--ice);
}

.result {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.7rem;
  max-width: 40rem;
}

.result span { margin: 0; }

.result b {
  font-weight: 400;
  color: var(--ink);
}

.signals {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem 2.5rem;
  margin-top: 2rem;
}

.signal {
  padding: 1rem 0 0;
  border-top: 1px solid var(--line);
}

.signal strong {
  display: block;
  font-weight: 500;
  margin-bottom: 0.35rem;
}

.signal p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.games {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 3rem;
  border-bottom: 1px solid var(--line);
}

.game {
  display: grid;
  grid-template-columns: 9.5rem minmax(0, 1fr);
  gap: 1rem;
  padding: 0.95rem 0;
  border-top: 1px solid var(--line);
}

.game dt {
  font-family: var(--serif);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.game dd {
  margin: 0;
  color: var(--muted);
}

.pub {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(16rem, 0.8fr);
  gap: 2rem 3rem;
}

.pub p { margin: 0 0 1rem; color: var(--muted); max-width: 40rem; }

.pub p strong { color: var(--ink); font-weight: 500; }

.links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 1.2rem 1.2rem;
  background: var(--bg-raise);
  border: 1px solid var(--line);
}

.links a {
  font-family: var(--mono);
  font-size: 0.86rem;
  overflow-wrap: anywhere;
}

.links span {
  display: block;
  margin-bottom: 0.15rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--faint);
}

footer {
  border-top: 1px solid var(--line);
  padding: 1.4rem 0 2rem;
  color: var(--faint);
  font-size: 0.86rem;
}

.foot {
  display: flex;
  justify-content: space-between;
  gap: 1rem 2rem;
  flex-wrap: wrap;
}

.missing {
  padding: 6rem 0 4rem;
  max-width: 36rem;
}

.missing h1 {
  font-size: clamp(2.8rem, 7vw, 4.5rem);
}

@media (max-width: 800px) {
  .pub,
  .signals,
  .seats,
  .flow-split,
  .games,
  .phase {
    grid-template-columns: 1fr;
  }

  .game { grid-template-columns: 1fr; gap: 0.2rem; }

  .hero { padding: 3.2rem 0 2.4rem; }

  .phase-id { padding-top: 0; }
}

@media (max-width: 520px) {
  .wrap { width: min(var(--page), calc(100% - 1.7rem)); }

  .bar {
    align-items: flex-start;
    flex-direction: column;
    padding: 0.9rem 0;
    gap: 0.7rem;
  }

  nav { gap: 0.4rem 0.55rem; }

  nav a { font-size: 0.88rem; }
}