/* Research & Benchmarks: the evidence room. Provenance is drawn in line form, not captioned. */
.ev-page {
  --ev-sheet: #f4f3ee;
  --ev-plate: #fbfaf6;
  --ev-ink: #191a18;
  --ev-ink-soft: #383a36;
  --ev-muted: #56584f;
  --ev-line: #8a8b83;
  --ev-rule: #d5d4cb;
  --ev-rule-soft: #e3e2da;
  --ev-bronze: #7b5a1c;
  --ev-bronze-wash: #e7d8b4;
  --ev-gutter: clamp(22px, 4.4vw, 64px);
  --ev-section: clamp(62px, 6.8vw, 110px);
  --ev-serif: "Cormorant Garamond Variable", "Cormorant Garamond", Georgia, serif;
  --ev-sans: "DM Sans Variable", "DM Sans", system-ui, sans-serif;
  background: var(--ev-sheet) !important;
  color: var(--ev-ink);
  font-family: var(--ev-sans);
  font-size: 16px;
  line-height: 1.62;
  overflow-x: clip;
  position: relative;
  isolation: isolate;
  font-variant-numeric: tabular-nums;
}
.ev-page * { box-sizing: border-box; }
.ev-page ::selection { background: var(--ev-bronze-wash); color: var(--ev-ink); }
.ev-page :where(h1, h2, h3, h4, p, figure, dl, dd, ol, ul, table, blockquote) { margin: 0; }
.ev-page :where(ol, ul) { padding: 0; list-style: none; }
.ev-page a { color: inherit; text-underline-offset: 4px; }
.ev-page :is(a, summary, [tabindex="0"]):focus-visible { outline: 2px solid var(--ev-ink); outline-offset: 3px; }
.ev-page section[id], .ev-page article[id] { scroll-margin-top: 150px; }
.ev-sr { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.ev-wrap { width: 100%; max-width: 1340px; margin-inline: auto; padding-inline: var(--ev-gutter); }

/* Type */
.ev-page :is(h1, h2, h3) { font-family: var(--ev-serif); font-weight: 500; color: var(--ev-ink); text-wrap: balance; }
.ev-page h1 { font-size: clamp(2.5rem, 4.1vw, 4.2rem); line-height: 1.01; letter-spacing: -0.026em; max-width: 19ch; }
.ev-page h2 { font-size: clamp(1.95rem, 3.1vw, 3.1rem); line-height: 1.05; letter-spacing: -0.017em; max-width: 25ch; }
.ev-page h3 { font-size: clamp(1.35rem, 1.8vw, 1.8rem); line-height: 1.12; letter-spacing: -0.006em; }
.ev-page h4 { font-family: var(--ev-sans); font-size: 0.77rem; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase; color: var(--ev-muted); }
.ev-page p { max-width: 72ch; }
.ev-note { margin-top: 16px; font-size: 0.93rem; line-height: 1.68; color: var(--ev-muted); }
.ev-page :is(p, dd, li, td, blockquote) a:not([class]) { text-decoration: underline; text-decoration-thickness: 1px; text-decoration-color: var(--ev-line); }
.ev-page :is(p, dd, li, td, blockquote) a:not([class]):hover { color: var(--ev-bronze); text-decoration-color: currentColor; }

/* Actions */
.ev-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 30px; margin-top: 30px; }
.ev-page .ev-button {
  display: inline-flex; align-items: center; gap: 12px; min-height: 54px; padding: 0 26px;
  background: var(--ev-ink); color: #f7f6f1; font-weight: 600; font-size: 0.95rem; text-decoration: none;
  transition: background-color 180ms ease-out;
}
.ev-page .ev-button:hover { background: #363a34; }
.ev-page .ev-link { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; font-weight: 600; font-size: 0.93rem; text-decoration: none; }
.ev-page .ev-link:hover { color: var(--ev-bronze); text-decoration: underline; text-decoration-thickness: 1px; }
.ev-arrow { flex: none; transition: transform 180ms ease-out; }
.ev-page :is(.ev-button, .ev-link):hover .ev-arrow { transform: translateX(3px); }

/* Sections */
.ev-section { padding-block: var(--ev-section); }
.ev-plate-field { background: var(--ev-plate); border-block: 1px solid var(--ev-rule); }
.ev-head { max-width: 66rem; }
.ev-head p { margin-top: 18px; color: var(--ev-muted); font-size: 1.01rem; line-height: 1.7; }
.ev-head .ev-link { margin-top: 12px; }
.ev-head-split { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(26px, 5vw, 88px); align-items: end; max-width: none; }
.ev-head-split > p { margin-top: 0; padding-bottom: 4px; }

/* Hero */
.ev-hero { padding-top: clamp(132px, 12vw, 172px); padding-bottom: clamp(38px, 4.5vw, 58px); }
.ev-hero-grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: clamp(28px, 5vw, 92px); align-items: end; }
.ev-hero-side p { font-size: 0.98rem; line-height: 1.72; color: var(--ev-muted); }
.ev-hero-side p + p { margin-top: 14px; }

/* The provenance key: the page's grammar, stated once */
.ev-key { border-top: 2px solid var(--ev-ink); margin-top: clamp(38px, 4.6vw, 60px); }
.ev-key-row { display: grid; grid-template-columns: 8.5rem 13rem minmax(0, 1fr) 11rem; gap: 10px 30px; align-items: center; padding: 22px 0 24px; border-bottom: 1px solid var(--ev-rule); }
.ev-mark { display: block; position: relative; width: 100%; height: 14px; }
.ev-mark::before { content: ""; position: absolute; inset-inline: 0; top: 50%; transform: translateY(-50%); }
.ev-mark::after { content: ""; position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 12px; height: 12px; }
.ev-mark[data-p="observed"]::before { height: 3px; background: var(--ev-ink); }
.ev-mark[data-p="observed"]::after { background: var(--ev-bronze); }
.ev-mark[data-p="reference"]::before { height: 0; border-top: 1px dashed var(--ev-line); }
.ev-mark[data-p="reference"]::after { background: var(--ev-sheet); border: 1px solid var(--ev-line); }
.ev-key-name { font-family: var(--ev-serif); font-size: clamp(1.4rem, 1.9vw, 1.9rem); line-height: 1.1; }
.ev-key-what { font-size: 0.95rem; line-height: 1.6; color: var(--ev-muted); }
.ev-key-count { justify-self: end; text-align: right; font-size: 0.86rem; line-height: 1.4; color: var(--ev-muted); }
.ev-key-count b { display: block; font-family: var(--ev-serif); font-size: 2rem; font-weight: 500; line-height: 1; color: var(--ev-ink); }
.ev-mark-rule { max-width: 88px; }

/* On this page */
.ev-page-nav { position: sticky; top: 72px; z-index: 20; border-block: 1px solid var(--ev-rule); background: var(--ev-plate); }
@media (min-width: 960px) { .ev-page-nav { top: 82px; } }
.ev-page-nav ul { display: flex; gap: 0 30px; overflow-x: auto; scrollbar-width: thin; scrollbar-color: var(--ev-line) transparent; }
.ev-page-nav a { display: inline-flex; align-items: center; min-height: 54px; white-space: nowrap; font-size: 0.9rem; font-weight: 600; text-decoration: none; }
.ev-page-nav a:hover { color: var(--ev-bronze); }

/* Study masthead */
.ev-study { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(26px, 5vw, 84px); align-items: start; }
.ev-study-title { font-size: clamp(2.1rem, 3.3vw, 3.3rem); line-height: 1.03; }
.ev-study-title a { text-decoration: none; }
.ev-study-title a:hover { color: var(--ev-bronze); }
.ev-study-body > p { margin-top: 20px; font-size: 1.04rem; line-height: 1.72; color: var(--ev-ink-soft); }
.ev-study-body .ev-actions { margin-top: 28px; }
.ev-sample { border-top: 2px solid var(--ev-ink); }
.ev-sample-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 6px 20px; align-items: baseline; padding: 13px 0; border-bottom: 1px solid var(--ev-rule-soft); }
.ev-sample-row dt { font-size: 0.93rem; color: var(--ev-muted); }
.ev-sample-row dd { font-family: var(--ev-serif); font-size: 1.32rem; line-height: 1.1; color: var(--ev-ink); }
.ev-sample-row dd small { font-family: var(--ev-sans); font-size: 0.8rem; color: var(--ev-muted); margin-left: 6px; }
.ev-sample-version { font-family: var(--ev-sans) !important; font-size: 0.82rem !important; color: var(--ev-muted); }
.ev-sample-note { margin-top: 16px; font-size: 0.87rem; line-height: 1.6; color: var(--ev-muted); }

/* Interval figure */
.ev-figure { margin-top: clamp(34px, 4vw, 56px); }
.ev-figure-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 10px 40px; align-items: end; padding-bottom: 14px; }
.ev-figure-head h3 { font-size: clamp(1.35rem, 1.75vw, 1.75rem); }
.ev-figure-head p { font-size: 0.92rem; line-height: 1.6; color: var(--ev-muted); }
.ev-figure-scroll { overflow-x: auto; scrollbar-width: thin; scrollbar-color: var(--ev-line) transparent; }
.ev-scale { min-width: 640px; display: grid; grid-template-columns: 19rem 5.6rem minmax(0, 1fr); gap: 0 26px; align-items: end; border-top: 2px solid var(--ev-ink); padding-top: 8px; }
.ev-scale-ticks { position: relative; height: 18px; }
.ev-scale-ticks span { position: absolute; bottom: 0; transform: translateX(-50%); font-size: 0.74rem; color: var(--ev-muted); }
.ev-scale-ticks span:first-child { transform: none; }
.ev-scale-ticks span:last-child { transform: translateX(-100%); }
.ev-findings { min-width: 640px; }
.ev-finding { display: grid; grid-template-columns: 19rem 5.6rem minmax(0, 1fr); gap: 4px 26px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--ev-rule-soft); }
.ev-finding-name { font-size: 0.97rem; font-weight: 600; line-height: 1.34; }
.ev-finding-def { grid-column: 1; font-size: 0.82rem; line-height: 1.5; color: var(--ev-muted); }
.ev-finding-value { grid-row: 1 / span 2; grid-column: 2; font-family: var(--ev-serif); font-size: 1.62rem; line-height: 1; text-align: right; }
.ev-finding-value small { display: block; margin-top: 5px; font-family: var(--ev-sans); font-size: 0.74rem; color: var(--ev-muted); }
.ev-finding-plot { grid-row: 1 / span 2; grid-column: 3; position: relative; height: 22px; }
.ev-finding-plot::before { content: ""; position: absolute; inset-inline: 0; top: 50%; transform: translateY(-50%); height: 1px; background: var(--ev-rule); }
.ev-range { position: absolute; top: 50%; transform: translateY(-50%); height: 7px; background: var(--ev-bronze-wash); }
.ev-point { position: absolute; top: 50%; transform: translate(-50%, -50%); width: 3px; height: 19px; background: var(--ev-ink); margin-inline-start: 0; }
.ev-range { min-width: 2px; }
.ev-clusters { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 clamp(24px, 3.4vw, 56px); border-top: 2px solid var(--ev-ink); margin-top: clamp(28px, 3.2vw, 44px); }
.ev-cluster { padding: 20px 0 24px; }
.ev-cluster h4 { margin-bottom: 10px; }
.ev-cluster h3 { font-size: clamp(1.2rem, 1.5vw, 1.5rem); }
.ev-cluster p { margin-top: 12px; font-size: 0.93rem; line-height: 1.66; color: var(--ev-muted); }

.ev-figure-foot { display: flex; flex-wrap: wrap; gap: 10px 34px; align-items: baseline; padding-top: 18px; }
.ev-figure-foot p { font-size: 0.89rem; line-height: 1.6; color: var(--ev-muted); }

/* Maturity */
.ev-maturity { border-top: 2px solid var(--ev-ink); margin-top: clamp(30px, 3.6vw, 48px); }
.ev-maturity-row { display: grid; grid-template-columns: minmax(0, 15rem) 6.5rem minmax(0, 1fr); gap: 4px 26px; align-items: center; padding: 15px 0; border-bottom: 1px solid var(--ev-rule-soft); }
.ev-maturity-name { font-size: 0.99rem; font-weight: 600; }
.ev-maturity-value { font-family: var(--ev-serif); font-size: 1.55rem; line-height: 1; text-align: right; }
.ev-maturity-value small { font-family: var(--ev-sans); font-size: 0.75rem; color: var(--ev-muted); margin-left: 7px; }
.ev-maturity-plot { position: relative; height: 18px; }
.ev-maturity-plot::before { content: ""; position: absolute; inset-inline: 0; top: 50%; transform: translateY(-50%); height: 1px; background: var(--ev-rule); }
.ev-maturity-fill { position: absolute; left: 0; top: 50%; transform: translateY(-50%); height: 7px; background: var(--ev-ink-soft); }

/* Method */
.ev-method { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 clamp(26px, 4vw, 76px); border-top: 2px solid var(--ev-ink); margin-top: clamp(30px, 3.6vw, 48px); }
.ev-method > div { padding: 26px 0 28px; border-bottom: 1px solid var(--ev-rule); }
.ev-method h3 { font-size: clamp(1.25rem, 1.55vw, 1.55rem); }
.ev-method p { margin-top: 12px; font-size: 0.95rem; line-height: 1.68; color: var(--ev-muted); }
.ev-method ul { margin-top: 12px; }
.ev-method li { padding: 8px 0; border-top: 1px solid var(--ev-rule-soft); font-size: 0.92rem; line-height: 1.55; color: var(--ev-ink-soft); }

/* Planning references */
.ev-refs { border-top: 2px solid var(--ev-ink); margin-top: clamp(30px, 3.6vw, 48px); }
.ev-ref { border-bottom: 1px solid var(--ev-rule-soft); }
.ev-ref-link { display: grid; grid-template-columns: 3.2rem minmax(0, 15rem) minmax(0, 1fr) 13rem; gap: 4px 26px; align-items: center; padding: 15px 0; text-decoration: none; }
.ev-ref-mark { width: 26px; }
.ev-ref-name { font-size: 0.99rem; font-weight: 600; line-height: 1.34; }
.ev-ref-link:hover .ev-ref-name { color: var(--ev-bronze); text-decoration: underline; text-decoration-thickness: 1px; }
.ev-ref-what { font-size: 0.87rem; line-height: 1.55; color: var(--ev-muted); }
.ev-ref-target { justify-self: end; text-align: right; font-size: 0.83rem; line-height: 1.45; color: var(--ev-muted); }
.ev-ref-target b { font-weight: 600; color: var(--ev-ink-soft); white-space: nowrap; }

/* Use rules */
.ev-rules { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 clamp(26px, 4vw, 76px); border-top: 2px solid var(--ev-ink); margin-top: clamp(30px, 3.6vw, 48px); }
.ev-rules > li { padding: 24px 0 26px; border-bottom: 1px solid var(--ev-rule); }
.ev-rules h3 { font-size: clamp(1.22rem, 1.5vw, 1.5rem); }
.ev-rules p { margin-top: 12px; font-size: 0.95rem; line-height: 1.66; color: var(--ev-muted); }

/* Continue rail */
.ev-next { border-top: 1px solid var(--ev-rule); padding-block: clamp(42px, 4.6vw, 64px); }
.ev-next-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 8px 40px; align-items: baseline; }
.ev-next-head h2 { font-size: clamp(1.5rem, 2vw, 2rem); max-width: 22ch; }
.ev-next-head p { font-size: 0.95rem; line-height: 1.68; color: var(--ev-muted); }
.ev-next-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 clamp(24px, 3.4vw, 56px); border-top: 2px solid var(--ev-ink); margin-top: 22px; }
.ev-next-item { display: flex; flex-direction: column; padding: 20px 0 22px; text-decoration: none; }
.ev-next-name { font-family: var(--ev-serif); font-size: clamp(1.26rem, 1.55vw, 1.55rem); line-height: 1.12; }
.ev-next-item:hover .ev-next-name { color: var(--ev-bronze); text-decoration: underline; text-decoration-thickness: 1px; }
.ev-next-what { margin-top: 10px; font-size: 0.91rem; line-height: 1.6; color: var(--ev-muted); }

/* Responsive */
@media (max-width: 860px) {
  .ev-findings, .ev-scale { min-width: 0; }
  .ev-figure-scroll { overflow-x: visible; }
  .ev-scale { display: block; }
  .ev-scale { border-top: 0; padding-top: 0; }
  .ev-scale > span:not(.ev-scale-ticks) { display: none; }
  .ev-scale-ticks { display: block; width: 100%; height: 18px; margin-bottom: 2px; }
  .ev-finding { grid-template-columns: minmax(0, 1fr) 6.4rem; gap: 4px 20px; padding: 16px 0 18px; }
  .ev-finding-def { grid-column: 1; }
  .ev-finding-value { grid-row: 1 / span 2; grid-column: 2; font-size: 1.45rem; }
  .ev-finding-plot { grid-row: auto; grid-column: 1 / -1; margin-top: 12px; height: 20px; }
}
@media (max-width: 1100px) {
  .ev-ref-link { grid-template-columns: 3.2rem minmax(0, 1fr) 11rem; }
  .ev-ref-what { grid-column: 2; }
  .ev-ref-target { grid-row: 1 / span 2; grid-column: 3; align-self: center; }
}
@media (max-width: 900px) {
  .ev-hero-grid, .ev-head-split, .ev-study, .ev-next-head, .ev-figure-head { grid-template-columns: minmax(0, 1fr); }
  .ev-next-list { grid-template-columns: minmax(0, 1fr); }
  .ev-next-item { border-bottom: 1px solid var(--ev-rule); }
  .ev-next-item:last-child { border-bottom: 0; }
  .ev-head-split > p { padding-bottom: 0; }
  .ev-method, .ev-rules, .ev-clusters { grid-template-columns: minmax(0, 1fr); }
  .ev-cluster { border-bottom: 1px solid var(--ev-rule); }
  .ev-cluster:last-child { border-bottom: 0; }
  .ev-key-row { grid-template-columns: 5.5rem minmax(0, 1fr); }
  .ev-key-what { grid-column: 2; }
  .ev-key-count { grid-column: 2; justify-self: start; text-align: left; }
  .ev-key-count b { display: inline; font-size: 1.15rem; margin-right: 6px; }
  .ev-maturity-row { grid-template-columns: minmax(0, 1fr) 5.5rem; }
  .ev-maturity-plot { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
  .ev-page { font-size: 15px; }
  .ev-sample-row dd { font-size: 1.15rem; }
  .ev-page .ev-button { width: 100%; justify-content: center; }
  .ev-ref-link { grid-template-columns: 2.6rem minmax(0, 1fr); }
  .ev-ref-target { grid-row: auto; grid-column: 2; justify-self: start; text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
  .ev-page *, .ev-page *::after, .ev-page *::before { transition: none !important; animation: none !important; }
}