/* 00 · tokens */
:root {
  --pq4-paper: #FFFFFF;
  --pq4-surface: #FAFAFA;
  --pq4-ink: #0B0B0B;
  --pq4-ink-soft: #4A4A4A;
  --pq4-accent: #00786B;
  --pq4-accent-deep: #005C52;
  --pq4-accent-wash: #EAF3F1;
  --pq4-type-display: "Libre Baskerville", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --pq4-type-text: "Public Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --pq4-gap-s: 8px;
  --pq4-gap-m: 20px;
  --pq4-gap-l: 32px;
  --pq4-gap-xl: 52px;
  --pq4-rail: 1150px;
  --pq4-round: 14px;
  --pq4-round-plate: 11px;
}

/* 00 · faces */
@font-face {
  font-family: "Libre Baskerville";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("fonts/baskerville-latin.woff2") format("woff2");
}
@font-face {
  font-family: "Public Sans";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("fonts/publicsans-latin.woff2") format("woff2");
}

/* 01 · base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--pq4-paper);
  color: var(--pq4-ink);
  font-family: var(--pq4-type-text);
  font-size: 17px;
  line-height: 1.62;
  font-weight: 400;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--pq4-accent-deep); }
a:hover { color: var(--pq4-ink); }
h1, h2, h3 { font-family: var(--pq4-type-display); font-weight: 700; margin: 0; letter-spacing: -0.005em; }
h1 { font-size: clamp(2.15rem, 1.35rem + 3.2vw, 3.6rem); line-height: 1.08; }
h2 { font-size: clamp(1.6rem, 1.15rem + 1.9vw, 2.45rem); line-height: 1.16; }
h3 { font-size: clamp(1.25rem, 1.05rem + 0.85vw, 1.7rem); line-height: 1.22; }
p { margin: 0 0 1.05em; }
p:last-child { margin-bottom: 0; }
ul { margin: 0; padding: 0; }
:focus-visible {
  outline: 3px solid var(--pq4-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* 02 · rails */
.pq4-column {
  width: 100%;
  max-width: var(--pq4-rail);
  margin: 0 auto;
  padding: 0 24px;
}
.pq4-note {
  font-size: 0.79rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--pq4-ink-soft);
  margin: 0;
}
.pq4-note--mark { color: var(--pq4-accent-deep); }
.pq4-lede { max-width: 33em; }
.pq4-flow { max-width: 40em; }

/* 03 · jumps */
.pq4-jump {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 12px 26px;
  border-radius: var(--pq4-round);
  border: 2px solid var(--pq4-ink);
  background: var(--pq4-paper);
  color: var(--pq4-ink);
  font-family: var(--pq4-type-text);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  box-shadow: 4px 4px 0 var(--pq4-ink);
  transition: box-shadow 0.14s ease, transform 0.14s ease, background-color 0.14s ease, color 0.14s ease;
}
.pq4-jump:hover {
  box-shadow: 0 0 0 var(--pq4-ink);
  transform: translate(2px, 2px);
  background: var(--pq4-accent-wash);
  color: var(--pq4-ink);
}
.pq4-jump:active { box-shadow: 0 0 0 var(--pq4-ink); transform: translate(4px, 4px); }
.pq4-jump--solid {
  background: var(--pq4-accent);
  border-color: var(--pq4-ink);
  color: #FFFFFF;
  font-weight: 600;
}
.pq4-jump--solid:hover { background: var(--pq4-accent-deep); color: #FFFFFF; }
.pq4-jump--small { min-height: 48px; padding: 10px 20px; font-size: 0.95rem; box-shadow: 3px 3px 0 var(--pq4-ink); }
.pq4-jump--skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 60;
}
.pq4-jump--skip:focus {
  left: 16px;
  top: 12px;
  position: fixed;
}
.pq4-jump--up {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 40;
  width: 52px;
  min-height: 52px;
  padding: 0;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
}
.pq4-jump--up.is-lit { opacity: 1; visibility: visible; transform: none; }
.pq4-jump--up:hover { transform: translate(2px, 2px); }

/* 04 · deck */
.pq4-deck {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(150%) blur(8px);
}
.pq4-deck__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--pq4-gap-m);
  min-height: 76px;
}
.pq4-crest {
  font-family: var(--pq4-type-display);
  font-weight: 700;
  font-size: 1.42rem;
  letter-spacing: -0.02em;
  color: var(--pq4-ink);
  text-decoration: none;
  white-space: nowrap;
  padding: 8px 2px;
}
.pq4-crest__tail { color: var(--pq4-accent); }
.pq4-deck__nav { display: flex; align-items: center; gap: var(--pq4-gap-m); }
.pq4-deck__list { display: flex; align-items: center; gap: 4px; list-style: none; }
.pq4-deck__link {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 12px 14px;
  font-size: 0.97rem;
  font-weight: 600;
  color: var(--pq4-ink);
  text-decoration: none;
  border-radius: 10px;
}
.pq4-deck__link:hover { color: var(--pq4-accent-deep); background: var(--pq4-accent-wash); }
.pq4-deck__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  padding: 0;
  border: 2px solid var(--pq4-ink);
  border-radius: var(--pq4-round);
  background: var(--pq4-paper);
  color: var(--pq4-ink);
  box-shadow: 3px 3px 0 var(--pq4-ink);
  cursor: pointer;
}
.pq4-deck__toggle:hover { box-shadow: 0 0 0 var(--pq4-ink); transform: translate(2px, 2px); }

/* 05 · opener */
.pq4-opener { padding: 56px 0 84px; }
.pq4-opener__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: var(--pq4-gap-xl);
  align-items: start;
}
.pq4-opener__title { margin: 18px 0 22px; }
.pq4-opener__title em { font-style: italic; color: var(--pq4-accent); }
.pq4-opener__text { font-size: 1.09rem; color: var(--pq4-ink-soft); }
.pq4-opener__text strong { color: var(--pq4-ink); font-weight: 600; }
.pq4-opener__acts { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 30px; }
.pq4-opener__shelf {
  background: var(--pq4-surface);
  border-radius: 16px;
  padding: 22px;
  display: grid;
  gap: 12px;
  margin-top: 26px;
}
.pq4-opener__row { display: flex; align-items: center; gap: 14px; }
.pq4-opener__row img { width: 56px; height: 56px; border-radius: 12px; flex: none; }
.pq4-opener__name { font-weight: 600; font-size: 0.98rem; line-height: 1.3; }
.pq4-opener__score {
  margin-left: auto;
  font-family: var(--pq4-type-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--pq4-accent-deep);
  flex: none;
}
.pq4-opener__foot { margin-top: 16px; font-size: 0.86rem; color: var(--pq4-ink-soft); line-height: 1.5; }

/* 06 · shelf entries */
.pq4-shelf { padding: 8px 0 92px; }
.pq4-shelf__head { max-width: 42em; margin-bottom: 44px; }
.pq4-shelf__head h2 { margin: 14px 0 16px; }
.pq4-shelf__list { list-style: none; display: grid; gap: 64px; }
.pq4-entry {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: var(--pq4-gap-xl);
  align-items: center;
}
.pq4-entry--tall { align-items: start; }
.pq4-entry__body { min-width: 0; }
.pq4-entry__index {
  font-family: var(--pq4-type-display);
  font-weight: 700;
  font-size: 3.1rem;
  line-height: 1;
  color: var(--pq4-accent);
  display: block;
  margin-bottom: 6px;
}
.pq4-entry__name { margin-bottom: 10px; }
.pq4-entry__meta {
  list-style: none;
  margin-bottom: 18px;
  font-size: 0.87rem;
  line-height: 1.7;
  color: var(--pq4-ink-soft);
}
.pq4-entry__meta li { display: inline; }
.pq4-entry__meta li:not(:last-child)::after { content: " \00B7 "; color: #6B6B6B; }
.pq4-entry__meta b { color: var(--pq4-ink); font-weight: 600; }
.pq4-entry__text { max-width: 36em; }
.pq4-entry__verdict {
  background: var(--pq4-surface);
  border-radius: 12px;
  padding: 16px 18px;
  margin: 20px 0 24px;
  font-size: 0.96rem;
  max-width: 36em;
}
.pq4-entry__verdict b { font-weight: 600; }
.pq4-entry__media { min-width: 0; }
.pq4-entry__plates { display: grid; gap: 14px; align-items: start; }
.pq4-entry__plates img {
  width: 100%;
  min-width: 0;
  height: auto;
  border-radius: var(--pq4-round-plate);
  background: var(--pq4-surface);
}
.pq4-entry__plates--pair { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.pq4-entry__plates--trio { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pq4-entry__plates--single { grid-template-columns: minmax(0, 300px); }
.pq4-entry__plates--pair img:last-child { margin-top: 34px; }
.pq4-entry__plates--trio img:nth-child(2) { margin-top: 26px; }
.pq4-entry__plates--trio img:nth-child(3) { margin-top: 52px; }
.pq4-entry__caption { margin-top: 14px; font-size: 0.82rem; color: var(--pq4-ink-soft); line-height: 1.5; }

/* 07 · desk */
.pq4-desk { background: var(--pq4-surface); padding: 80px 0 88px; }
.pq4-desk__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: var(--pq4-gap-xl);
  align-items: start;
}
.pq4-desk__title { margin: 14px 0 20px; }
.pq4-desk__price {
  font-family: var(--pq4-type-display);
  font-weight: 700;
  font-size: 2.35rem;
  line-height: 1.1;
  color: var(--pq4-ink);
  display: block;
  margin-bottom: 4px;
}
.pq4-desk__price span { color: var(--pq4-accent); }
.pq4-desk__panel { background: var(--pq4-paper); border-radius: 16px; padding: 30px; }
.pq4-desk__panel h3 { margin-bottom: 14px; }
.pq4-desk__steps { list-style: none; display: grid; gap: 18px; margin-top: 22px; }
.pq4-desk__steps li { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 14px; align-items: start; }
.pq4-desk__steps b {
  font-family: var(--pq4-type-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--pq4-accent);
  line-height: 1.5;
}
.pq4-desk__steps span { font-size: 0.98rem; }
.pq4-desk__steps span i { font-style: normal; font-weight: 600; }
.pq4-desk__seal { margin-top: 26px; font-size: 0.9rem; color: var(--pq4-ink-soft); }

/* 08 · ledger */
.pq4-ledger { padding: 88px 0 72px; }
.pq4-ledger__head { display: grid; gap: 14px; margin-bottom: 34px; max-width: 44em; }
.pq4-ledger__scroll { width: 100%; overflow-x: auto; }
.pq4-ledger table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  min-width: 720px;
}
.pq4-ledger caption {
  text-align: left;
  font-size: 0.82rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--pq4-ink-soft);
  padding-bottom: 14px;
}
.pq4-ledger thead th {
  text-align: left;
  vertical-align: bottom;
  padding: 0 16px 12px;
  font-weight: 600;
  font-size: 0.86rem;
  border-bottom: 2px solid var(--pq4-ink);
}
.pq4-ledger tbody th,
.pq4-ledger tbody td { padding: 18px 16px; vertical-align: top; text-align: left; }
.pq4-ledger tbody th {
  font-family: var(--pq4-type-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.3;
  white-space: normal;
}
.pq4-ledger tbody tr:nth-child(odd) { background: var(--pq4-surface); }
.pq4-ledger__mark { display: inline-flex; align-items: center; gap: 8px; }
.pq4-ledger__mark svg { flex: none; color: var(--pq4-accent); }
.pq4-ledger__score { font-family: var(--pq4-type-display); font-weight: 700; font-size: 1.15rem; }
.pq4-ledger__foot { margin-top: 20px; font-size: 0.9rem; color: var(--pq4-ink-soft); max-width: 44em; }

/* 09 · post */
.pq4-post { padding: 24px 0 96px; }
.pq4-post__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: var(--pq4-gap-xl);
  align-items: start;
}
.pq4-post__title { margin: 14px 0 18px; }
.pq4-post__card { background: var(--pq4-surface); border-radius: 16px; padding: 32px; }
.pq4-post__mail {
  display: block;
  font-family: var(--pq4-type-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 0.8rem + 1.1vw, 1.5rem);
  color: var(--pq4-accent-deep);
  text-decoration: none;
  word-break: break-word;
  margin: 6px 0 20px;
  padding: 4px 0;
}
.pq4-post__mail:hover { color: var(--pq4-ink); text-decoration: underline; text-underline-offset: 5px; }
.pq4-post__who { margin-top: 26px; font-size: 0.95rem; line-height: 1.7; color: var(--pq4-ink-soft); }
.pq4-post__who b { display: block; color: var(--pq4-ink); font-weight: 600; }
.pq4-post__who a { color: var(--pq4-accent-deep); }
.pq4-post__hours { list-style: none; display: grid; gap: 10px; margin-top: 20px; font-size: 0.97rem; }
.pq4-post__hours li { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 12px; align-items: start; }
.pq4-post__hours svg { color: var(--pq4-accent); margin-top: 4px; }

/* 10 · tail */
.pq4-tail { background: var(--pq4-surface); padding: 56px 0 40px; }
.pq4-tail__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--pq4-gap-l);
  align-items: start;
}
.pq4-tail__blurb { margin-top: 14px; font-size: 0.93rem; color: var(--pq4-ink-soft); max-width: 26em; }
.pq4-tail h2 { font-family: var(--pq4-type-text); font-size: 0.79rem; letter-spacing: 0.13em; text-transform: uppercase; font-weight: 600; color: var(--pq4-ink-soft); margin-bottom: 12px; }
.pq4-tail__list { list-style: none; display: grid; gap: 2px; }
.pq4-tail__list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 6px 0;
  color: var(--pq4-ink);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}
.pq4-tail__list a:hover { color: var(--pq4-accent-deep); text-decoration: underline; text-underline-offset: 4px; }
.pq4-tail__who { font-size: 0.93rem; color: var(--pq4-ink-soft); line-height: 1.75; }
.pq4-tail__who b { color: var(--pq4-ink); font-weight: 600; }
.pq4-tail__base { margin-top: 44px; font-size: 0.85rem; color: var(--pq4-ink-soft); display: grid; gap: 8px; }

/* 11 · notice */
.pq4-notice {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 55;
  max-width: 640px;
  margin: 0 auto;
  background: var(--pq4-paper);
  border: 2px solid var(--pq4-ink);
  border-radius: 16px;
  box-shadow: 5px 5px 0 var(--pq4-ink);
  padding: 22px 24px;
}
.pq4-notice[hidden] { display: none; }
.pq4-notice h2 { font-family: var(--pq4-type-display); font-size: 1.12rem; text-transform: none; letter-spacing: -0.005em; margin-bottom: 8px; color: var(--pq4-ink); }
.pq4-notice p { font-size: 0.9rem; color: var(--pq4-ink-soft); margin-bottom: 16px; }
.pq4-notice a { color: var(--pq4-accent-deep); }
.pq4-notice__acts { display: flex; flex-wrap: wrap; gap: 12px; }

/* 12 · paper pages */
.pq4-paper-head { padding: 44px 0 26px; }
.pq4-paper-head h1 { margin: 14px 0 16px; }
.pq4-paper-head p { color: var(--pq4-ink-soft); max-width: 40em; }
.pq4-paper-body { padding: 8px 0 88px; }
.pq4-paper-body section { margin-bottom: 40px; }
.pq4-paper-body h2 { font-size: clamp(1.28rem, 1.1rem + 0.7vw, 1.62rem); margin-bottom: 14px; }
.pq4-paper-body h3 { font-size: 1.1rem; margin: 22px 0 10px; }
.pq4-paper-body p, .pq4-paper-body li { max-width: 42em; }
.pq4-paper-body ul, .pq4-paper-body ol { padding-left: 22px; margin: 0 0 1.05em; display: grid; gap: 8px; }
.pq4-paper-body li { line-height: 1.6; }
.pq4-paper-body table { width: 100%; border-collapse: collapse; font-size: 0.93rem; min-width: 620px; }
.pq4-paper-body caption { text-align: left; font-size: 0.82rem; letter-spacing: 0.11em; text-transform: uppercase; font-weight: 600; color: var(--pq4-ink-soft); padding-bottom: 12px; }
.pq4-paper-body thead th { text-align: left; padding: 0 14px 10px; font-weight: 600; font-size: 0.85rem; border-bottom: 2px solid var(--pq4-ink); }
.pq4-paper-body tbody th, .pq4-paper-body tbody td { padding: 14px; text-align: left; vertical-align: top; font-weight: 400; max-width: none; }
.pq4-paper-body tbody th { font-weight: 600; }
.pq4-paper-body tbody tr:nth-child(odd) { background: var(--pq4-surface); }
.pq4-paper-scroll { width: 100%; overflow-x: auto; }
.pq4-paper-body .pq4-flag { background: var(--pq4-surface); border-radius: 12px; padding: 18px 20px; }
.pq4-paper-body .pq4-flag p { margin-bottom: 0; }

/* 13 · lost */
.pq4-lost { padding: 80px 0 110px; text-align: left; }
.pq4-lost__mark { font-family: var(--pq4-type-display); font-weight: 700; font-size: clamp(4rem, 2rem + 12vw, 8rem); line-height: 0.9; color: var(--pq4-accent); }
.pq4-lost h1 { margin: 18px 0 18px; }
.pq4-lost p { max-width: 36em; color: var(--pq4-ink-soft); }
.pq4-lost__acts { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 30px; }

/* 14 · narrow */
@media (max-width: 960px) {
  .pq4-deck__toggle { display: inline-flex; }
  .pq4-deck__nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 18px 24px 26px;
    background: var(--pq4-paper);
    box-shadow: 0 14px 24px -18px rgba(0, 0, 0, 0.55);
  }
  .pq4-deck__nav.is-open { display: flex; }
  .pq4-deck__list { flex-direction: column; align-items: stretch; gap: 2px; }
  .pq4-deck__link { min-height: 50px; padding: 12px 8px; }
  .pq4-deck__inner { position: relative; }
  .pq4-opener__grid,
  .pq4-desk__grid,
  .pq4-post__grid { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .pq4-entry { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .pq4-entry__plates--single { grid-template-columns: minmax(0, 260px); }
  .pq4-entry__plates--pair img:last-child,
  .pq4-entry__plates--trio img:nth-child(2),
  .pq4-entry__plates--trio img:nth-child(3) { margin-top: 0; }
  .pq4-tail__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 30px; }
  .pq4-tail__brand { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
  body { font-size: 16.5px; }
  .pq4-column { padding: 0 18px; }
  .pq4-opener { padding: 36px 0 60px; }
  .pq4-shelf { padding: 0 0 66px; }
  .pq4-shelf__list { gap: 52px; }
  .pq4-desk { padding: 58px 0 62px; }
  .pq4-desk__panel { padding: 22px; }
  .pq4-ledger { padding: 62px 0 52px; }
  .pq4-post { padding: 12px 0 70px; }
  .pq4-post__card { padding: 24px; }
  .pq4-entry__plates { gap: 10px; }
  .pq4-entry__plates--single { grid-template-columns: minmax(0, 220px); }
  .pq4-entry__index { font-size: 2.5rem; }
  .pq4-tail__grid { grid-template-columns: minmax(0, 1fr); }
  .pq4-notice { padding: 20px; left: 12px; right: 12px; bottom: 12px; }
  .pq4-jump { width: 100%; }
  .pq4-jump--up { width: 52px; }
  .pq4-notice__acts .pq4-jump { width: auto; flex: 1 1 auto; }
}

/* 15 · stillness */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}