/* PatchBench: a technical-report layout. A serif display face, monospaced
   figures, rounded cards, cool gray surfaces and one indigo accent.
   Chart colors (--funnel-*, --series-*) were checked for color-blind safety
   and contrast against --pb-panel in both themes. Re-check them if you
   change --pb-panel. */

/* ------------------------------------------------------------------ tokens */
:root {
  color-scheme: light;
  --pb-canvas: #f5f6f8;
  --pb-panel: #ffffff;
  --pb-panel-2: #eceef2;
  --pb-text: #0d0f14;
  --pb-text-2: #3a404c;
  --pb-text-3: #596170;
  --pb-line: #dde0e6;
  --pb-line-mid: #c6cbd4;
  --pb-brand: #4032c8;
  --pb-brand-soft: #ecebfb;
  --pb-on-ink: #ffffff;
  --pb-add-bg: #e4f3e8;
  --pb-add-text: #15612d;
  --pb-del-bg: #fbe6e6;
  --pb-del-text: #9a1d1d;
  --pb-grid: #e6e8ed;
  --pb-axis: #b9bec8;
  --pb-track: #e3e5ea;
  --pb-shadow: 0 1px 0 rgb(13 15 20 / 0.04), 0 18px 40px -28px rgb(13 15 20 / 0.35);
  --funnel-1: #3a2cb8;   /* solved   */
  --funnel-2: #6b5fe8;   /* security */
  --funnel-3: #a7a0f3;   /* PoC      */
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --series-3: #1baf7a;

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --radius: 10px;
  --gutter: 24px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --pb-canvas: #0b0c10;
    --pb-panel: #13151b;
    --pb-panel-2: #1b1e26;
    --pb-text: #eef0f5;
    --pb-text-2: #c0c5d0;
    --pb-text-3: #8e95a3;
    --pb-line: #262a33;
    --pb-line-mid: #3a3f4b;
    --pb-brand: #aaa2ff;
    --pb-brand-soft: #221f45;
    --pb-on-ink: #0b0c10;
    --pb-add-bg: #11301c;
    --pb-add-text: #8fe0a8;
    --pb-del-bg: #3a1719;
    --pb-del-text: #f6a5a5;
    --pb-grid: #22252d;
    --pb-axis: #3c414c;
    --pb-track: #22252d;
    --pb-shadow: 0 1px 0 rgb(0 0 0 / 0.3), 0 18px 40px -28px rgb(0 0 0 / 0.8);
    --funnel-1: #b8b2ff;
    --funnel-2: #7568ee;
    --funnel-3: #4a3fb5;
    --series-1: #3987e5;
    --series-2: #d95926;
    --series-3: #199e70;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --pb-canvas: #0b0c10;
  --pb-panel: #13151b;
  --pb-panel-2: #1b1e26;
  --pb-text: #eef0f5;
  --pb-text-2: #c0c5d0;
  --pb-text-3: #8e95a3;
  --pb-line: #262a33;
  --pb-line-mid: #3a3f4b;
  --pb-brand: #aaa2ff;
  --pb-brand-soft: #221f45;
  --pb-on-ink: #0b0c10;
  --pb-add-bg: #11301c;
  --pb-add-text: #8fe0a8;
  --pb-del-bg: #3a1719;
  --pb-del-text: #f6a5a5;
  --pb-grid: #22252d;
  --pb-axis: #3c414c;
  --pb-track: #22252d;
  --pb-shadow: 0 1px 0 rgb(0 0 0 / 0.3), 0 18px 40px -28px rgb(0 0 0 / 0.8);
  --funnel-1: #b8b2ff;
  --funnel-2: #7568ee;
  --funnel-3: #4a3fb5;
  --series-1: #3987e5;
  --series-2: #d95926;
  --series-3: #199e70;
}

/* ------------------------------------------------------------- page reveal */
/* Page reveal on load, in two parts (site.js adds the classes). The top bar
   appears unchanged as soon as it has rendered (bar-ready). The content below
   it fades in and rises 12px once the whole page has rendered (is-ready).
   Only applies when JavaScript is running (js-fade is set in <head>). */
@keyframes page-fade-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}
@keyframes page-fade-in-still { from { opacity: 0; } to { opacity: 1; } }
.js-fade .masthead, .js-fade main, .js-fade .colophon { opacity: 0; }
.js-fade.bar-ready .masthead, .js-fade.is-ready .masthead { opacity: 1; }
.js-fade.is-ready main, .js-fade.is-ready .colophon { animation: page-fade-in 0.6s ease-out both; }

/* -------------------------------------------------------------------- base */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-padding-top: 0px; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--pb-canvas);
  color: var(--pb-text);
  font: 400 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration-color: var(--pb-line-mid); text-underline-offset: 3px; }
a:hover { color: var(--pb-brand); text-decoration-color: currentColor; }
:focus-visible { outline: 2px solid var(--pb-brand); outline-offset: 2px; border-radius: 3px; }

h1, h2, h3 { margin: 0; font-weight: 600; text-wrap: balance; }
p { margin: 0; }
code, pre { font-family: var(--mono); font-variant-ligatures: none; }

.wrap { max-width: 1160px; margin: 0 auto; padding: 0 var(--gutter); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 12px; top: -48px; z-index: 100;
  padding: 8px 12px; background: var(--pb-text); color: var(--pb-on-ink); border-radius: 6px;
}
.skip-link:focus { top: 12px; }

/* --------------------------------------------------------------- masthead */
.masthead {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--pb-canvas) 88%, transparent);
  backdrop-filter: saturate(1.2) blur(10px);
  -webkit-backdrop-filter: saturate(1.2) blur(10px);
  border-bottom: 1px solid var(--pb-line);
}
.masthead-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 60px; flex-wrap: wrap;
}

.wordmark {
  display: inline-flex; align-items: center; gap: 10px;
  font: 600 21px/1 var(--serif); letter-spacing: -0.01em; text-decoration: none;
}
.wordmark:hover { color: var(--pb-text); }
.wordmark-mark { width: 22px; height: 22px; }
/* Logo: a square with a missing corner (outline) and the patch that fills it. */
.wordmark-mark path { fill: none; stroke: var(--pb-text); stroke-width: 2; stroke-linejoin: round; }
.wordmark-mark rect { fill: var(--pb-brand); }

.nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.nav a {
  padding: 6px 10px; border-radius: 6px;
  font-size: 14px; font-weight: 500; color: var(--pb-text-2); text-decoration: none;
}
.nav a:hover { color: var(--pb-text); background: var(--pb-panel-2); }
.nav a[aria-current="page"] { color: var(--pb-text); box-shadow: inset 0 -2px 0 var(--pb-brand); border-radius: 0; }

.theme-toggle {
  display: inline-grid; place-items: center; width: 34px; height: 34px; margin-left: 4px;
  border: 1px solid var(--pb-line); border-radius: 999px; background: transparent; color: var(--pb-text-2);
  cursor: pointer;
}
.theme-toggle:hover { color: var(--pb-text); border-color: var(--pb-line-mid); }
.theme-toggle svg { width: 16px; height: 16px; }
.theme-toggle circle { fill: none; stroke: currentColor; stroke-width: 1.6; }
.theme-toggle path { fill: currentColor; }

/* -------------------------------------------------------------------- hero */
.hero { padding: 72px 0 0; }

.hero-grid {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 56px; align-items: center;
}

.eyebrow {
  font: 500 12px/1.4 var(--mono); letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--pb-brand);
}

.display {
  margin-top: 14px;
  font: 600 clamp(44px, 6.2vw, 72px)/0.95 var(--serif);
  font-variation-settings: "opsz" 144;
  letter-spacing: -0.035em;
}

.subtitle {
  margin-top: 14px;
  font: italic 400 clamp(19px, 2vw, 23px)/1.3 var(--serif);
  color: var(--pb-text-2);
  text-wrap: balance;
}

.lede { margin-top: 22px; max-width: 58ch; font-size: 17.5px; line-height: 1.65; color: var(--pb-text-2); }

.byline { margin-top: 22px; font-size: 14px; line-height: 1.6; color: var(--pb-text-2); }
.byline .author { white-space: nowrap; }
.byline .affiliation { color: var(--pb-text-3); }

.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 16px; border: 1px solid var(--pb-line-mid); border-radius: 999px;
  background: var(--pb-panel); color: var(--pb-text);
  font: 500 14px/1.2 var(--sans); text-decoration: none; cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.btn:hover { color: var(--pb-text); border-color: var(--pb-text); }
.btn-primary { background: var(--pb-text); border-color: var(--pb-text); color: var(--pb-on-ink); }
.btn-primary:hover { background: var(--pb-brand); border-color: var(--pb-brand); color: var(--pb-on-ink); }
.btn-quiet { background: transparent; border-color: transparent; color: var(--pb-text-2); }
.btn-small { padding: 6px 12px; font-size: 13px; }

/* diff card */
.diff-card {
  margin: 0; background: var(--pb-panel); border: 1px solid var(--pb-line);
  border-radius: var(--radius); box-shadow: var(--pb-shadow); overflow: hidden;
}
.diff-caption {
  display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline;
  padding: 12px 16px; border-bottom: 1px solid var(--pb-line);
  font-size: 13px; color: var(--pb-text-2);
}
.diff-cve { font: 600 12px var(--mono); color: var(--pb-text); }
.diff-pane + .diff-pane { border-top: 1px dashed var(--pb-line-mid); }
.diff-head {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2px 12px;
  padding: 10px 16px 6px; font: 12px/1.4 var(--mono); color: var(--pb-text-3);
}
.diff-file { color: var(--pb-text-2); font-weight: 500; }
.diff-where { white-space: nowrap; }
.diff-where code { color: var(--pb-text-2); }
.diff-body { margin: 0; padding: 4px 0 8px; font-size: 12.5px; line-height: 1.7; overflow-x: auto; }
.diff-line { display: block; padding: 0 16px; white-space: pre; }
.diff-sign { display: inline-block; width: 1.4em; color: var(--pb-text-3); user-select: none; }
.diff-add { background: var(--pb-add-bg); color: var(--pb-add-text); }
.diff-add .diff-sign { color: var(--pb-add-text); }
.diff-del { background: var(--pb-del-bg); color: var(--pb-del-text); }
.diff-del .diff-sign { color: var(--pb-del-text); }
.diff-verdict { padding: 0 16px 12px; font-size: 13px; font-weight: 500; }
.diff-verdict.is-bad { color: var(--pb-del-text); }
.diff-verdict.is-good { color: var(--pb-add-text); }

/* stats strip */
.stats {
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 64px 0 0; border-top: 1px solid var(--pb-text); border-bottom: 1px solid var(--pb-line);
}
.stat { padding: 18px 20px 20px 0; }
.stat + .stat { padding-left: 20px; border-left: 1px solid var(--pb-line); }
.stat dt { font-size: 13px; color: var(--pb-text-3); }
.stat dd { margin: 4px 0 0; font: 600 38px/1.1 var(--sans); letter-spacing: -0.02em; }
.stat-accent dd { color: var(--pb-brand); }

/* ---------------------------------------------------------------- sections */
.section { padding: 88px 0; }
.section + .section { border-top: 1px solid var(--pb-line); }
/* Shorter pages (contribute) use less vertical space per section. */
.section-tight { padding: 48px 0; }
.section-tight .section-head { margin-bottom: 24px; }

.section-head { max-width: 760px; margin-bottom: 36px; }
.section-head:last-child { margin-bottom: 0; }
.section-kicker {
  display: flex; gap: 12px; align-items: baseline;
  font: 500 12px/1.4 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--pb-text-3);
}
.section-num { color: var(--pb-brand); }
.section-title {
  margin-top: 12px;
  font: 600 clamp(26px, 3.2vw, 34px)/1.12 var(--serif);
  font-variation-settings: "opsz" 48;
  letter-spacing: -0.01em;
}
.section-lede { margin-top: 16px; font-size: 17px; color: var(--pb-text-2); max-width: 66ch; }

.more { margin-top: 32px; font-weight: 500; }

/* ------------------------------------------------------------- leaderboard */
.controls { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; margin-bottom: 16px; }

.seg-control {
  display: inline-flex; flex-wrap: wrap; padding: 3px; gap: 2px;
  background: var(--pb-panel-2); border: 1px solid var(--pb-line); border-radius: 999px;
}
.seg-control button {
  padding: 6px 14px; border: 0; border-radius: 999px; background: transparent;
  font: 500 13px/1.3 var(--sans); color: var(--pb-text-2); cursor: pointer;
}
.seg-control button:hover { color: var(--pb-text); }
.seg-control button[aria-pressed="true"] { background: var(--pb-text); color: var(--pb-on-ink); }

.table-wrap {
  overflow-x: auto; background: var(--pb-panel);
  border: 1px solid var(--pb-line); border-radius: var(--radius);
}

.board-table, .compare-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }

.board-table th, .board-table td,
.compare-table th, .compare-table td { padding: 13px 14px; text-align: left; vertical-align: middle; }

.board-table thead th, .compare-table thead th {
  font: 600 11.5px/1.3 var(--sans); letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--pb-text-3); background: var(--pb-panel-2); border-bottom: 1px solid var(--pb-line);
  white-space: nowrap;
}
.board-table tbody tr + tr td, .compare-table tbody tr + tr > * { border-top: 1px solid var(--pb-line); }
.board-table tbody tr:hover td { background: color-mix(in srgb, var(--pb-panel-2) 55%, transparent); }
.board-table tfoot td, .board-table tfoot th {
  border-top: 1px solid var(--pb-text); color: var(--pb-text-2); font-weight: 500; font-size: 13.5px;
}

.num { text-align: right !important; font: 400 14px/1.3 var(--mono); font-variant-numeric: tabular-nums; font-variant-ligatures: none; white-space: nowrap; }
.center { text-align: center !important; }

th button {
  all: unset; cursor: pointer; display: inline-flex; align-items: center; gap: 4px;
}
/* Fixed-width slot: "↕" and "↓"/"↑" differ in width, which would resize columns on every sort. */
th button::after { content: "↕"; display: inline-block; width: 1em; text-align: center; font-size: 10px; opacity: 0.35; }
th[aria-sort="descending"] button::after { content: "↓"; opacity: 1; color: var(--pb-brand); }
th[aria-sort="ascending"] button::after { content: "↑"; opacity: 1; color: var(--pb-brand); }
th button:hover { color: var(--pb-text); }
th button:focus-visible { outline: 2px solid var(--pb-brand); outline-offset: 2px; }

.col-rank { width: 44px; font: 500 13px var(--mono); color: var(--pb-text-3); }
tbody tr:nth-child(-n+3) .col-rank { color: var(--pb-brand); }

th.col-agent { width: 190px; }
.agent { display: flex; flex-direction: column; gap: 2px; min-width: 160px; }
.agent-name { font-weight: 600; color: var(--pb-text); }
.agent-name a { text-decoration: none; }
.agent-meta { font-size: 13px; color: var(--pb-text-3); }
.tag {
  display: inline-block; margin-left: 6px; padding: 1px 6px; vertical-align: 1px;
  border: 1px solid var(--pb-line-mid); border-radius: 4px;
  font: 500 10px/1.5 var(--mono); letter-spacing: 0.04em; color: var(--pb-text-2);
}
.fn-ref { margin-left: 2px; font-size: 11px; color: var(--pb-brand); }
.fn-ref a { text-decoration: none; }

td.solved { font-size: 16px; font-weight: 600; color: var(--pb-text); }

.col-funnel { width: 210px; min-width: 190px; }
.funnel-legend { display: inline-flex; gap: 12px; text-transform: none; letter-spacing: 0; font-weight: 500; }
.funnel-legend span { display: inline-flex; align-items: center; gap: 5px; }
.funnel-legend i { width: 10px; height: 10px; border-radius: 2px; background: var(--c); }
.funnel {
  display: flex; gap: 2px; height: 10px; width: 100%;
  background: linear-gradient(var(--pb-track), var(--pb-track)) left center / 100% 4px no-repeat;
  border-radius: 2px; cursor: default;
}
.funnel span { flex: 0 0 auto; width: var(--w); height: 100%; background: var(--c); }
.funnel span:last-child { border-radius: 0 4px 4px 0; }
.funnel:hover span, .funnel:focus-visible span { filter: brightness(1.06) saturate(1.1); }


.board-notes { margin-top: 16px; font-size: 13.5px; color: var(--pb-text-3); max-width: 90ch; }
.footnotes { list-style: none; margin: 8px 0 0; padding: 0; }
.footnotes li { margin-top: 4px; }
.footnotes span { color: var(--pb-brand); }

/* ----------------------------------------------------------------- figures */
.figure {
  margin: 0; padding: 24px 24px 20px;
  background: var(--pb-panel); border: 1px solid var(--pb-line); border-radius: var(--radius);
}
.figure + .figure, .two-col + .figure { margin-top: 24px; }
.figure-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; align-items: baseline; margin-bottom: 12px; }
.figure-title { font: 600 15px/1.4 var(--sans); }
.figure figcaption { margin-top: 12px; font-size: 13.5px; color: var(--pb-text-3); }

.legend { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 0 0 8px; padding: 0; list-style: none; font-size: 13px; color: var(--pb-text-2); }
.legend li { display: inline-flex; align-items: center; gap: 7px; }
.legend-key { display: inline-block; background: var(--c); }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; }
.legend-bar { width: 14px; height: 10px; border-radius: 0 3px 3px 0; }

.chart-scroll { overflow-x: auto; overscroll-behavior-x: contain; }
.chart { display: block; width: 100%; max-width: 1040px; height: auto; margin: 0 auto; overflow: visible; font-family: var(--sans); }
.chart .grid line { stroke: var(--pb-grid); stroke-width: 1; }
.chart .axis line { stroke: var(--pb-axis); stroke-width: 1; }
.chart .axis-break { stroke: var(--pb-text-3); stroke-width: 1.5; fill: none; }
.chart .ticks text { font-size: 12.5px; fill: var(--pb-text-3); font-variant-numeric: tabular-nums; }
.chart .axis-title { font-size: 12.5px; fill: var(--pb-text-2); }
.chart .labels text { font-size: 13px; font-weight: 500; fill: var(--pb-text); paint-order: stroke; stroke: var(--pb-panel); stroke-width: 4px; stroke-linejoin: round; }
.chart .hit { fill: transparent; }
.chart .point, .chart .bar { outline: none; cursor: default; }
.chart .dot { stroke: var(--pb-panel); stroke-width: 2; transition: r 0.12s; }
.chart .point:hover .dot, .chart .point:focus-visible .dot { r: 7.5; }
.chart .point:focus-visible .hit, .chart .bar:focus-visible .hit { stroke: var(--pb-brand); stroke-width: 1.5; }
.chart .bar:hover path { filter: brightness(1.08); }
.chart .group-label { font-size: 13.5px; font-weight: 600; fill: var(--pb-text); }
.chart .group-sub { font-size: 12px; fill: var(--pb-text-3); }
.chart .value { font-size: 12px; font-weight: 500; fill: var(--pb-text-2); font-variant-numeric: tabular-nums; }

/* tooltip */
.tooltip {
  position: fixed; z-index: 200; pointer-events: none;
  min-width: 160px; max-width: 280px; padding: 10px 12px;
  background: var(--pb-panel); color: var(--pb-text);
  border: 1px solid var(--pb-line-mid); border-radius: 8px; box-shadow: var(--pb-shadow);
  font-size: 13px; line-height: 1.4;
}
.tooltip-title { margin-bottom: 6px; font-weight: 600; font-size: 12.5px; color: var(--pb-text-2); }
.tooltip-row { display: grid; grid-template-columns: 14px auto 1fr; gap: 8px; align-items: center; }
.tooltip-row + .tooltip-row { margin-top: 3px; }
.tooltip-key { width: 12px; height: 3px; border-radius: 2px; background: var(--c, transparent); }
.tooltip-value { font: 600 13px var(--mono); color: var(--pb-text); }
.tooltip-label { color: var(--pb-text-3); }

/* ---------------------------------------------------------------- findings */
.findings {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0;
  margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--pb-text);
}
.finding { padding: 26px 28px 30px 0; border-bottom: 1px solid var(--pb-line); }
.finding + .finding { padding-left: 28px; border-left: 1px solid var(--pb-line); }
.finding:last-child { padding-right: 0; }
.finding-num { display: block; margin-bottom: 12px; font: 500 30px/1 var(--serif); color: var(--pb-brand); }
.finding h3 { font: 600 21px/1.25 var(--serif); letter-spacing: -0.01em; }
.finding p { margin-top: 10px; color: var(--pb-text-2); }

/* ---------------------------------------------------------------- citation */
.cite-block { position: relative; }
.cite-block pre {
  margin: 0; padding: 20px 22px; overflow-x: auto;
  background: var(--pb-panel); border: 1px solid var(--pb-line); border-radius: var(--radius);
  font-size: 13px; line-height: 1.65; color: var(--pb-text-2);
}
.cite-block .btn { position: absolute; top: 12px; right: 12px; }

/* ------------------------------------------------------------ benchmark page */
.page-head { padding: 72px 0 24px; }
.page-title {
  margin-top: 14px; max-width: 30ch;
  font: 600 clamp(30px, 4.2vw, 46px)/1.08 var(--serif);
  font-variation-settings: "opsz" 72; letter-spacing: -0.015em;
}
.page-head .lede { max-width: 70ch; }

.two-col { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }

.panel {
  padding: 26px 28px; background: var(--pb-panel);
  border: 1px solid var(--pb-line); border-radius: var(--radius);
}
.panel h3 { font: 600 20px/1.3 var(--serif); letter-spacing: -0.01em; }
.panel p { margin-top: 10px; color: var(--pb-text-2); }
.panel .panel-figure { margin: 0 0 8px; font: 600 44px/1 var(--sans); letter-spacing: -0.02em; color: var(--pb-brand); }
.panel .panel-kicker { margin: 0 0 8px; font: 500 12px/1.4 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--pb-brand); }

.checks { margin: 18px 0 0; }
.check { padding: 12px 0; border-top: 1px solid var(--pb-line); }
.check dt { font-weight: 600; font-size: 15px; }
.check dd { margin: 4px 0 0; color: var(--pb-text-2); font-size: 15px; }

.steps {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0;
  margin: 0; padding: 0; list-style: none;
  border-top: 1px solid var(--pb-text);
}
.step { position: relative; padding: 22px 22px 26px 0; border-bottom: 1px solid var(--pb-line); }
.step-num {
  display: inline-grid; place-items: center; width: 30px; height: 30px; margin-bottom: 12px;
  border: 1px solid var(--pb-brand); border-radius: 50%;
  font: 600 13px var(--mono); color: var(--pb-brand);
}
.step h3 { font: 600 18px/1.3 var(--serif); }
.step p { margin-top: 8px; font-size: 15px; color: var(--pb-text-2); }

.compare-table tbody th { font-weight: 600; }
.compare-table tr.is-highlight > * { background: var(--pb-brand-soft); }
.compare-table tr.is-highlight th { color: var(--pb-brand); }
.mark { font-size: 15px; line-height: 1; }
.mark-full { color: var(--pb-text); }
.mark-partial { color: var(--pb-text-2); }
.mark-none, .mark-unknown { color: var(--pb-text-3); }
.mark-key { display: flex; flex-wrap: wrap; gap: 6px 20px; margin: 14px 0 0; padding: 0; list-style: none; font-size: 13.5px; color: var(--pb-text-3); }
.mark-key .mark { margin-right: 4px; }
.column-notes { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 8px 24px; margin: 16px 0 0; font-size: 13.5px; }
.column-notes dt { font-weight: 600; color: var(--pb-text-2); }
.column-notes dd { margin: 2px 0 0; color: var(--pb-text-3); }


/* ----------------------------------------------------------- contribute page */
p code, h3 code { font-size: 0.9em; color: var(--pb-text); }

.contrib-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.contrib-card {
  padding: 24px 28px 26px; background: var(--pb-panel);
  border: 1px solid var(--pb-line); border-radius: var(--radius);
}
.contrib-card-wide { grid-column: 1 / -1; }
.contrib-title { margin-top: 10px; font: 600 24px/1.2 var(--serif); letter-spacing: -0.01em; }
.contrib-card > p:not(.section-kicker) { margin-top: 12px; color: var(--pb-text-2); }
.contrib-card-wide > p:not(.section-kicker) { max-width: 90ch; }
.contrib-card .actions { margin-top: 20px; }

.contrib-list { margin: 16px 0 0; }
.contrib-list div { padding: 11px 0; border-top: 1px solid var(--pb-line); }
.contrib-list dt { font-weight: 600; font-size: 15px; }
.contrib-list dt code { font: 600 14px var(--mono); }
.contrib-list dd { margin: 3px 0 0; font-size: 15px; color: var(--pb-text-2); overflow-wrap: anywhere; }

.board-cta { margin-top: 24px; }

/* ---------------------------------------------------------------- colophon */
.colophon { padding: 32px 0 48px; border-top: 1px solid var(--pb-line); font-size: 13.5px; color: var(--pb-text-3); }
.colophon-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }
.colophon strong { color: var(--pb-text); font-family: var(--serif); font-size: 15px; }

/* -------------------------------------------------------------- responsive */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .stat:nth-child(4) { padding-left: 0; border-left: 0; }
  .stat:nth-child(n+4) { border-top: 1px solid var(--pb-line); }
}

@media (max-width: 720px) {
  :root { --gutter: 16px; }
  .hero { padding-top: 48px; }
  .section { padding: 64px 0; }
  .section-tight { padding: 36px 0; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat, .stat + .stat { padding: 16px 12px 16px 0; border-left: 0; }
  .stat:nth-child(even) { padding-left: 16px; border-left: 1px solid var(--pb-line); }
  .stat:nth-child(n+3) { border-top: 1px solid var(--pb-line); }
  .stat dd { font-size: 30px; }
  .findings, .two-col, .contrib-grid { grid-template-columns: minmax(0, 1fr); }
  .contrib-card { padding: 20px 18px 22px; }
  .finding, .finding + .finding { padding: 22px 0; border-left: 0; }
  .figure { padding: 16px 12px; }
  .chart { min-width: 720px; }
  .cite-block .btn { position: static; margin-top: 10px; }
  .nav a { padding: 6px 8px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
  html { scroll-behavior: auto; }
  .js-fade.is-ready main, .js-fade.is-ready .colophon { animation-name: page-fade-in-still; }
}