:root {
  --paper: #f4f0e6;
  --paper-2: #fbf8f2;
  --ink: #1b1814;
  --muted: #6f675c;
  --line: #ddd4c6;
  --oxblood: #8f2d2b;
  --on-oxblood: #fbf8f2;
  --sans: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  --serif: "Newsreader", "Iowan Old Style", Georgia, serif;
}

* { box-sizing: border-box; }
html { background: var(--paper); color: var(--ink); overflow-x: clip; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.5;
  background: var(--paper);
  color: var(--ink);
}
h1, h2, h3 { font-family: var(--serif); font-weight: 450; line-height: 1.15; text-wrap: balance; }
a { color: inherit; }
button { font: inherit; cursor: pointer; }
::selection { background: #f4e6e2; }

.top, .foot, .page {
  width: min(72rem, 100%);
  margin-inline: auto;
  padding-inline: max(1.25rem, env(safe-area-inset-left), env(safe-area-inset-right));
}
.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding-block: 1rem;
}
.shell { border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; flex-shrink: 0; }
.mark {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  background: var(--oxblood);
  color: var(--on-oxblood);
  font-family: var(--serif);
  font-size: 1.35rem;
  line-height: 1;
}
.word { font-family: var(--serif); font-size: 1.6rem; letter-spacing: -0.02em; }
nav {
  display: flex;
  gap: 0.25rem;
  min-width: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
nav::-webkit-scrollbar { display: none; }
nav a {
  display: inline-flex;
  align-items: center;
  height: 2.75rem;
  padding: 0 0.75rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  white-space: nowrap;
}
nav a[aria-current="page"] { color: var(--ink); }

.page { padding-block: 2rem 3rem; }
.kicker {
  margin: 0;
  color: var(--oxblood);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.muted { color: var(--muted); }
.lede { max-width: 38rem; font-size: 1.15rem; color: var(--muted); }

.hero {
  display: grid;
  gap: 2rem;
  align-items: end;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--line);
}
.hero h1 { margin: 0.6rem 0 0; font-size: clamp(2.6rem, 6vw, 3.6rem); max-width: 16ch; }
.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  border: 1px solid var(--line);
  background: var(--paper-2);
  padding: 1rem;
}
.stats strong {
  display: block;
  font-family: var(--serif);
  font-size: 2.4rem;
  font-weight: 450;
  line-height: 1;
}
.stats span {
  display: block;
  margin-top: 0.45rem;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.block { margin-top: 3rem; }
.block-head {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.block h2 { margin: 0.35rem 0 0; font-size: 1.9rem; }
.more { color: var(--oxblood); text-decoration: none; font-size: 0.95rem; }

.domain, .meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}
.cards { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.cards li { min-width: 0; border-top: 1px solid var(--line); padding: 1.15rem 0 1.35rem; }
.cards h3 { margin: 0.35rem 0 0; font-size: 1.45rem; overflow-wrap: break-word; }
.cards p, .call p { margin: 0.35rem 0 0; }
.print { margin-top: 0.85rem; }
.print p { margin: 0.25rem 0 0; }
.src, .src a { display: block; margin: 0.15rem 0 0; color: var(--oxblood); font-size: 0.8rem; letter-spacing: 0; text-transform: none; overflow-wrap: anywhere; }

.calls { margin: 0; padding: 0; list-style: none; }
.call {
  display: grid;
  gap: 0.6rem;
  border-top: 1px solid var(--line);
  padding: 1.15rem 0;
}
.prob {
  margin: 0;
  font-family: var(--serif);
  font-size: 3rem;
  line-height: 0.9;
  font-variant-numeric: tabular-nums;
}
.hz { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.35rem; }
.hz b { display: block; font-family: var(--serif); font-size: 1.7rem; font-weight: 450; line-height: 1; font-variant-numeric: tabular-nums; }
.hz span { display: block; margin-top: 0.2rem; color: var(--muted); font-size: 0.62rem; letter-spacing: 0.06em; text-transform: uppercase; }
.sheet .curves, .call .curves { grid-column: 1 / -1; }
.curves { margin: 0.85rem 0 0; }
.curves svg { width: 100%; height: auto; display: block; margin-top: 0.35rem; }
.curves figcaption { margin-top: 0.45rem; color: var(--muted); font-size: 0.82rem; }
.curves figcaption p { margin: 0.25rem 0 0; }
.legend { display: flex; flex-wrap: wrap; gap: 0.3rem 0.85rem; }
.legend i { display: inline-block; width: 0.85rem; height: 2px; margin-right: 0.3rem; vertical-align: middle; }

.split {
  display: grid;
  gap: 2rem;
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--line);
}
.btn {
  display: inline-flex;
  align-items: center;
  height: 2.75rem;
  padding: 0 1rem;
  background: var(--oxblood);
  color: var(--on-oxblood);
  text-decoration: none;
  font-size: 0.95rem;
  width: fit-content;
}

.prose { width: min(44rem, 100%); }
.prose h1 { margin: 0.5rem 0 0; font-size: clamp(2.4rem, 5vw, 3.2rem); }
.steps, .roles { margin: 2.5rem 0 0; padding: 0; list-style: none; }
.steps li, .roles li {
  display: grid;
  gap: 0.35rem 1rem;
  border-top: 1px solid var(--line);
  padding: 1.25rem 0;
}
.num { font-family: var(--serif); color: var(--oxblood); font-size: 1.2rem; }
.steps h2, .roles strong { font-family: var(--serif); font-size: 1.45rem; font-weight: 450; }
.note { border-top: 1px solid var(--line); padding-top: 1.75rem; margin-top: 2.5rem; }
.note h2 { margin: 0.3rem 0 0.6rem; font-size: 1.8rem; }
.note p { margin: 0.7rem 0 0; }

.sheet {
  display: grid;
  gap: 1.25rem;
  border-top: 1px solid var(--line);
  padding-top: 2rem;
  margin-top: 2.5rem;
}
.score {
  border: 1px solid var(--line);
  background: var(--paper-2);
  padding: 1rem;
}
.score .prob { font-size: 3.6rem; }
.footwrap { border-top: 1px solid var(--line); }
.foot { padding-block: 2rem; color: var(--muted); font-size: 0.95rem; }
.foot a { color: var(--oxblood); }

.oracle { display: grid; gap: 2.5rem; }
.ask { display: flex; flex-direction: column; gap: 1rem; }
.ask label, .ask legend { font-size: 0.95rem; }
.ask textarea, .ask input[type="password"] {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--paper-2);
  color: var(--ink);
  font: inherit;
  padding: 0.75rem;
}
.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; border: 0; margin: 0; padding: 0; }
.chips button, .try button {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  min-height: 2.75rem;
  padding: 0 0.75rem;
}
.chips button[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.try { display: flex; flex-direction: column; gap: 0.35rem; }
.try button { border: 0; text-align: left; color: var(--muted); padding: 0.2rem 0; min-height: 0; }
.ask .btn { border: 0; justify-content: center; }
.ask .btn:disabled { opacity: 0.5; cursor: default; }
.phases { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.75rem; border-block: 1px solid var(--line); padding: 1rem 0; margin: 1rem 0; list-style: none; }
.phases span { display: block; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.phases .now span, .phases .done span { color: var(--oxblood); }
.phases strong { font-family: var(--serif); font-size: 1.3rem; font-weight: 450; }
.phases .wait strong { color: var(--muted); }
.alert { border: 1px solid var(--oxblood); background: #f4e6e2; padding: 0.75rem 1rem; }
.ev, .ballots { margin: 0; padding: 0; list-style: none; }
.ev li, .ballots li { display: grid; gap: 0.35rem; border-top: 1px solid var(--line); padding: 1rem 0; }
.ev a { color: var(--oxblood); font-size: 0.9rem; word-break: break-all; }
.bars { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.75rem; align-items: end; height: 9rem; margin-top: 1rem; }
.bars div { display: flex; flex-direction: column; justify-content: end; height: 100%; gap: 0.35rem; }
.bars i { display: block; background: var(--oxblood); min-height: 2px; }
.bars b { font-family: var(--serif); font-weight: 450; }
.pair { display: grid; gap: 1.25rem; margin-top: 1.25rem; }
.panel { border: 1px solid var(--line); background: var(--paper-2); padding: 1rem; }
.past { margin: 2rem 0 0; padding: 0; list-style: none; }
.past button { display: flex; flex-direction: column; gap: 0.2rem; width: 100%; text-align: left; background: none; border: 0; border-top: 1px solid var(--line); padding: 0.75rem 0; color: inherit; }

@media (max-width: 720px) {
  .shell { position: sticky; top: 0; z-index: 20; background: var(--paper); }
  .top {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 0.5rem;
    padding-top: max(0.75rem, env(safe-area-inset-top));
  }
  nav {
    mask-image: linear-gradient(90deg, #000 calc(100% - 1.25rem), transparent);
  }
  .page { padding-top: 1.25rem; padding-bottom: max(2.5rem, env(safe-area-inset-bottom)); }
  .hero { gap: 1.25rem; padding-bottom: 1.5rem; }
  .hero h1 { font-size: clamp(2.05rem, 11vw, 2.7rem); }
  .lede { font-size: 1.05rem; }
  .block-head { flex-direction: column; align-items: flex-start; gap: 0.35rem; margin-bottom: 0.25rem; }
  h1, h2, h3 { text-wrap: wrap; }
  .cards { grid-template-columns: 1fr; }
  .block h2, .note h2 { font-size: 1.55rem; }
  .cards h3, .steps h2, .roles strong { font-size: 1.28rem; }
  .stats { gap: 0.4rem; padding: 0.75rem; }
  .stats strong { font-size: 1.85rem; }
  .stats span, .domain, .meta { letter-spacing: 0.06em; }
  .stats span { font-size: 0.62rem; }
  .prob { font-size: 2.5rem; }
  .score .prob { font-size: 3rem; }
  .phases { gap: 0.4rem; }
  .phases strong { font-size: 1.05rem; }
  .bars { gap: 0.4rem; height: 7.5rem; }
  .ask .btn { width: 100%; }
  .try button { min-height: 2.75rem; padding: 0.35rem 0; }
  .foot { padding-bottom: max(2rem, env(safe-area-inset-bottom)); }
}
@media (min-width: 800px) {
  .hero { grid-template-columns: 1.4fr 1fr; }
  .split { grid-template-columns: 1fr 1fr; }
  .steps li, .roles li { grid-template-columns: 3rem 1fr; }
  .roles li { grid-template-columns: 9rem 1fr; }
  .sheet { grid-template-columns: 1fr 16rem; }
}
@media (min-width: 960px) {
  .cards { grid-template-columns: 1fr 1fr; column-gap: 2.5rem; }
}
@media (min-width: 900px) {
  .oracle { grid-template-columns: 22rem 1fr; align-items: start; }
  .ask { position: sticky; top: 1rem; }
  .ev li { grid-template-columns: 8rem 1fr; }
  .ballots li { grid-template-columns: 11rem 1fr; }
  .pair { grid-template-columns: 1fr 1fr; }
}