.pop .pop-body :where(p, ul, ol, dl, dd, table, blockquote, figure, h1, h2, h3, h4, h5, h6) { margin: 0; }
.pop .pop-body > * + * { margin-top: clamp(22px, 2.4vw, 34px); }
.pop .pop-body > .sub + * { margin-top: 0; }
.pop .pop-body > .bars + .note { margin-top: 12px; }

.pop .pop-body p {
  max-width: 62ch; color: var(--fg-2);
  font-size: var(--t-body, clamp(17px, 1.2vw, 19px)); line-height: 1.55;
}
.pop .callout p + p,
.pop .quote p + p { margin-top: .7em; }
.pop .pop-body strong { color: var(--fg); font-weight: 600; }

.pop .sub { margin-bottom: 14px; color: var(--fg-3); line-height: 1.4; }
.pop .note {
  max-width: 62ch; color: var(--fg-3);
  font-size: var(--t-small, 15px); line-height: 1.5;
}

.pop .pop-body ul { padding: 0; max-width: 62ch; list-style: none; }
.pop .pop-body ul li {
  position: relative; padding-left: 22px; color: var(--fg-2);
  font-size: var(--t-small, 15px); line-height: 1.5;
}
.pop .pop-body ul li + li { margin-top: 10px; }
.pop .pop-body ul li::before {
  content: ""; position: absolute; top: .62em; left: 2px;
  width: 8px; height: 2px; background: var(--fg-3);
}

.pop .sub,
.pop .chain-node,
.pop .layer,
.pop .ladder-cap,
.pop .quote cite,
.pop .callout::before,
.pop .tbl caption,
.pop .tbl th,
.pop .proof-slot {
  font-size: var(--t-label, 12.5px); font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
}

.pop .stat,
.pop .layer,
.pop .ladder-step,
.pop .compare-i {
  border: 1px solid var(--line);
  border-radius: var(--radius-s, 10px);
  background: var(--bg-3);
}

.pop .stat-n,
.pop .compare-n {
  color: var(--fg); font-size: var(--t-num-s, clamp(34px, 4vw, 56px));
  font-weight: 700; line-height: .95; letter-spacing: -.035em;
  font-variant-numeric: tabular-nums;
}

.pop .stat.is-hi,
.pop .layer.is-hi,
.pop .chain-node.is-hi,
.pop .compare-i.is-hi,
.pop .ladder-step.is-hi { border-color: var(--accent-line); }

.pop .layer.is-hi,
.pop .chain-node.is-hi,
.pop .ladder-step.is-hi,
.pop .stat.is-hi .stat-n,
.pop .compare-i.is-hi .compare-n { color: var(--accent-tx); }

.pop .ladder-step.is-hi { background: var(--accent-soft); }
.pop .bar.is-hi .bar-fill { background: var(--accent); }

.pop .stats {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}
.pop .stat { padding: clamp(20px, 2vw, 28px); }
.pop .stat--hero { grid-column: span 2; }
.pop .stat--hero .stat-l { max-width: 46ch; }

.pop .stat-u {
  margin-top: 8px; color: var(--fg-2);
  font-size: var(--t-small, 15px); font-weight: 500; line-height: 1.3;
}
.pop .stat-l {
  margin-top: 12px; color: var(--fg-2);
  font-size: var(--t-small, 15px); line-height: 1.5;
}

.pop .bars { display: grid; gap: 12px; }
.pop .bar {
  display: grid; align-items: center; gap: 16px;
  grid-template-columns: minmax(120px, 200px) 1fr auto;
}
.pop .bar-l { color: var(--fg-2); font-size: var(--t-small, 15px); line-height: 1.3; }
.pop .bar-track {
  position: relative; height: 10px; overflow: hidden;
  border-radius: 999px; background: var(--line);
}
.pop .bar-fill {
  width: var(--w, 0%); height: 100%; border-radius: inherit;
  background: var(--fg-3);
  transition: width 1.2s var(--ease, cubic-bezier(.2, .7, .2, 1));
}
.pop .bar-v {
  min-width: 5ch; text-align: right; color: var(--fg);
  font-size: var(--t-small, 15px); font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.pop .is-in .bar-fill {
  animation: pop-bar-grow 1.2s var(--ease, cubic-bezier(.2, .7, .2, 1)) both;
}
@keyframes pop-bar-grow { from { width: 0; } to { width: var(--w, 0%); } }

.pop .chain-v { display: grid; gap: 34px; max-width: 40ch; }
.pop .chain-node {
  position: relative; padding: 14px 18px; line-height: 1.3; color: var(--fg);
  border: 1px solid var(--line-2); border-radius: var(--radius-s, 10px);
}
.pop .chain-v .chain-node + .chain-node::before {
  content: ""; position: absolute; top: -34px; left: 24px;
  width: 1px; height: 34px; background: var(--line-2);
}
.pop .chain-v .chain-node + .chain-node::after {
  content: ""; position: absolute; top: -20px; left: 21px;
  width: 7px; height: 7px; border-radius: 50%; background: var(--fg-3);
}

@media (min-width: 1024px) {
  .pop .chain-v { display: inline-grid; }
  .pop .chain-v .chain-node { width: max-content; max-width: 100%; }
}

.pop .chain-h {
  --chain-gap: clamp(14px, 2vw, 30px);
  display: flex; flex-wrap: nowrap; align-items: stretch; gap: var(--chain-gap);
}
.pop .chain-h .chain-node {
  flex: 1 1 0; min-width: 0; padding: 13px 12px;

  overflow-wrap: normal;
  hyphens: manual;
  -webkit-hyphens: manual;
}
.pop .chain-h .chain-node + .chain-node::before {
  content: ""; position: absolute; top: 50%;
  left: calc(-1 * var(--chain-gap)); width: var(--chain-gap);
  height: 1px; background: var(--line-2);
}
.pop .chain-h .chain-node + .chain-node::after {
  content: ""; position: absolute; top: 50%; margin-top: -3px;
  left: calc(-1 * var(--chain-gap) / 2 - 3.5px);
  width: 7px; height: 7px; border-radius: 50%; background: var(--fg-3);
}

.pop .chain-v .chain-node:last-child::after,
.pop .chain-h .chain-node:last-child::after { background: var(--accent); }

@media (min-width: 1024px) {
  .pop .chain-h { --chain-gap: clamp(14px, 1.6vw, 26px); }
  .pop .chain-h .chain-node { padding: 12px 6px; font-size: 11.5px; letter-spacing: .06em; }
}
@media (min-width: 1280px) {
  .pop .chain-h .chain-node { padding: 12px 8px; font-size: 12.5px; }
}

@media (max-width: 1023px) {
  .pop .chain-h { display: grid; grid-template-columns: 1fr; gap: 34px; }
  .pop .chain-h .chain-node + .chain-node::before {
    top: -34px; left: 24px; width: 1px; height: 34px;
  }
  .pop .chain-h .chain-node + .chain-node::after {
    top: -20px; left: 21px; margin-top: 0;
  }
}

.pop .ladder { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 8px; }
.pop .ladder-step {
  flex: 1 1 82px; padding: 16px 12px; text-align: center;
  color: var(--fg-2); font-size: clamp(16px, 1.6vw, 20px);
  font-weight: 700; line-height: 1.1; font-variant-numeric: tabular-nums;
}
.pop .ladder-cap {
  display: block; margin-top: 8px; color: var(--fg-2);
  font-size: 11px; font-weight: 500; letter-spacing: .1em;
}
.pop .ladder-math {
  padding: 20px clamp(20px, 2vw, 28px); color: var(--fg);
  border: 1px solid var(--line-2); border-radius: var(--radius-s, 10px);
  font-size: clamp(16px, 1.6vw, 20px); font-weight: 600; line-height: 1.4;
  font-variant-numeric: tabular-nums;
}

.pop .layers { display: grid; gap: 8px; max-width: 46ch; }
.pop .layer { padding: 18px 22px; color: var(--fg-2); }
.pop .layer:nth-child(2) { margin-left: clamp(0px, 3vw, 34px); }
.pop .layer:nth-child(3) { margin-left: clamp(0px, 6vw, 68px); }

.pop .two-col {
  display: grid; align-items: start;
  grid-template-columns: 1fr 1fr; gap: clamp(24px, 3vw, 48px);
}
.pop .two-col > * { min-width: 0; }

.pop .callout {
  position: relative;
  padding: clamp(46px, 4vw, 54px) clamp(22px, 2.2vw, 30px) clamp(22px, 2.2vw, 30px);
  border: 1px solid var(--line-2); border-radius: var(--radius-s, 10px);
}
.pop .callout::before {
  content: attr(data-label); position: absolute;
  top: clamp(20px, 2.2vw, 26px); left: clamp(22px, 2.2vw, 30px);
  color: var(--fg-3);
}
.pop .callout p { color: var(--fg); }

.pop .quote {
  padding: 4px 0 4px clamp(20px, 2.2vw, 28px);
  border-left: 1px solid var(--line-2);
}
.pop .quote p { color: var(--fg); max-width: 56ch; }
.pop .quote cite {
  display: block; margin-top: 14px; color: var(--fg-3); font-style: normal;
}
.pop .quote + .quote { margin-top: 20px; }

.pop .tags {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding: 0; max-width: none; list-style: none;
}
.pop .pop-body .tags li {
  margin-top: 0; padding: 9px 16px; color: var(--fg-2);
  border: 1px solid var(--line); border-radius: 999px;
  font-size: var(--t-small, 15px); line-height: 1.3;
}
.pop .pop-body .tags li::before { content: none; }

.pop .tbl { width: 100%; border-collapse: collapse; font-size: var(--t-small, 15px); }
.pop .tbl caption { margin-bottom: 12px; color: var(--fg-3); text-align: left; }
.pop .tbl th {
  padding: 0 0 10px; color: var(--fg-3); text-align: left;
  border-bottom: 1px solid var(--line-2); letter-spacing: .1em;
}
.pop .tbl td {
  padding: 13px 0; color: var(--fg-2); vertical-align: baseline;
  border-bottom: 1px solid var(--line);
}
.pop .tbl th + th,
.pop .tbl td + td { padding-left: 16px; }
.pop .tbl td:first-child { color: var(--fg); }
.pop .tbl .num { text-align: right; font-variant-numeric: tabular-nums; }
.pop .tbl a {
  color: var(--fg);
  text-decoration: underline;
  text-decoration-color: var(--line-2);
  text-underline-offset: 3px;
  transition: color .3s var(--ease, ease), text-decoration-color .3s var(--ease, ease);
}
.pop .tbl a:hover, .pop .tbl a:focus-visible {
  color: var(--accent); text-decoration-color: var(--accent);
}
.pop .tbl a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.pop .tbl tbody tr:last-child td { border-bottom: 0; }

@media (max-width: 760px) {
  .pop .tbl a { display: inline-flex; align-items: center; min-height: 44px; }
}

.pop .compare {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: clamp(16px, 2.5vw, 36px);
}
.pop .compare-i { flex: 1 1 180px; padding: clamp(20px, 2vw, 28px); }
.pop .compare-c {
  margin-top: 12px; color: var(--fg-2);
  font-size: var(--t-small, 15px); line-height: 1.45;
}
.pop .compare-arw { flex: 0 0 auto; color: var(--fg-3); font-size: 24px; line-height: 1; }

.pop .illus {
  display: grid; place-items: center;
  padding: clamp(20px, 2.2vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius-m, 18px);
  background: var(--bg-3);
  color: var(--fg-3);
}
.pop .illus > svg { display: block; width: min(100%, 560px); height: auto; }
.pop .illus .hi { color: var(--accent); }

.pop .illus .hi-line { color: var(--accent-line); }
.pop .illus .soft { opacity: .5; }
.pop .illus .faint { opacity: .28; }

.pop .proof-slot {
  position: relative;
  display: grid; justify-items: start;
  gap: clamp(14px, 1.6vw, 20px);
  padding: clamp(20px, 2.2vw, 30px);
  border: 1px solid var(--line-2); border-radius: var(--radius-m, 18px);
  background: var(--bg-3);
  color: var(--fg-2); line-height: 1.6;
}
.pop .proof-cap { max-width: 46ch; }
.pop .proof-pill {
  padding: 5px 12px;
  border: 1px solid var(--line-2); border-radius: 999px;
  color: var(--fg-3);
  font-size: 11px; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase; line-height: 1.4;
}

.pop .proof-fig {
  display: block; width: 100%;
  margin-top: 2px;
  padding-top: clamp(16px, 1.8vw, 24px);
  border-top: 1px solid var(--line);
}
.pop .proof-art {
  display: block;
  width: min(100%, 560px); height: auto;
  aspect-ratio: 320 / 128;
  color: var(--fg-3);
}
.pop .proof-art .pa-grid { opacity: .3; }
.pop .proof-art .pa-bar  { opacity: .55; }
.pop .proof-art .pa-axis { opacity: .45; }

.pop .proof-art .pa-hi { color: var(--accent); fill: var(--accent-soft); }

@media (max-width: 760px) {
  .pop .stats { grid-template-columns: minmax(0, 1fr); }
  .pop .stat--hero { grid-column: 1 / -1; }

  .pop .two-col { grid-template-columns: 1fr; }

  .pop .bar { grid-template-columns: 1fr auto; gap: 6px 12px; }
  .pop .bar-l { grid-area: 1 / 1; }
  .pop .bar-v { grid-area: 1 / 2; }
  .pop .bar-track { grid-area: 2 / 1 / 3 / -1; }

  .pop .ladder {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
  }
  .pop .ladder-step { padding: 13px 8px; }
  .pop .ladder-step.is-hi { grid-column: 1 / -1; }

  .pop .layer:nth-child(2),
  .pop .layer:nth-child(3) { margin-left: 0; }

  .pop .compare { gap: 12px; }
  .pop .compare-arw { flex: 0 0 100%; text-align: center; transform: rotate(90deg); }

  .pop .tbl { font-size: 14px; }
  .pop .tbl th + th,
  .pop .tbl td + td { padding-left: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .pop .bar-fill { transition: none; }
  .pop .is-in .bar-fill { animation: none; width: var(--w, 0%); }
}

@media (min-width: 1024px) {
  .pop .ladder-cap,
  .pop .quote cite,
  .pop .callout::before,
  .pop .tbl caption,
  .pop .tbl th,
  .pop .proof-slot { font-size: 12.5px; }
}