:root {
  color-scheme: light;
  --paper: #fff;
  --ink: #20334d;
  --body: #33435a;
  --muted: #69788b;
  --line: #d9e0e8;
  --soft: #f4f7fa;
  --blue: #305b9d;
  --teal: #167d8d;
  --violet: #7866a3;
  --orange: #b97635;
  --serif: Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --measure: 72rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; }
body { margin: 0; background: var(--paper); color: var(--body); font: 16px/1.65 var(--sans); }
a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: .18em; }
a:hover { color: var(--teal); }
button, input, select { font: inherit; }
button, select { color: var(--ink); }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }
.page-wrap { width: min(var(--measure), calc(100% - 3rem)); margin-inline: auto; }
.skip-link { position: absolute; top: .5rem; left: .5rem; z-index: 20; transform: translateY(-160%); padding: .55rem .8rem; background: var(--ink); color: #fff; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; top: 0; z-index: 10; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 2rem; min-height: 4.25rem; padding: .45rem max(1.5rem, calc((100vw - var(--measure))/2)); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.97); }
.wordmark { color: var(--ink); font: 700 1.05rem/1 var(--serif); letter-spacing: -.06em; text-decoration: none; white-space: nowrap; }
.wordmark span { color: var(--teal); padding-inline: .12em; }
.primary-nav { display: flex; justify-content: center; gap: clamp(.8rem, 2vw, 1.8rem); }
.primary-nav a, .github-link { color: var(--body); font-size: .83rem; text-decoration: none; }
.primary-nav a:hover, .github-link:hover { color: var(--blue); }
.header-actions { display: flex; align-items: center; gap: 1.2rem; }
.language-toggle { min-width: 3.1rem; border: 1px solid var(--line); border-radius: 2px; padding: .38rem .6rem; background: #fff; cursor: pointer; font-size: .82rem; }
.language-toggle:hover { border-color: var(--blue); color: var(--blue); }

.hero { padding-top: clamp(3rem, 7vw, 6rem); }
.hero-copy { max-width: 65rem; }
.project-line, .section-kicker { margin: 0 0 .8rem; color: var(--teal); font-size: .79rem; font-weight: 650; letter-spacing: .035em; }
h1, h2, h3 { color: var(--ink); }
h1 { max-width: 17ch; margin: 0; font: 500 clamp(2.6rem, 5.7vw, 5.1rem)/1.05 var(--serif); letter-spacing: -.045em; }
.authors { max-width: 75ch; margin: 1.55rem 0 .2rem; color: var(--ink); font-size: .98rem; line-height: 1.55; }
.affiliations { max-width: 75ch; margin: .25rem 0 1.6rem; color: var(--muted); font-size: .86rem; }
.thesis { max-width: 62ch; margin: 0; color: var(--ink); font: 500 clamp(1.15rem, 2vw, 1.55rem)/1.48 var(--serif); }
.paper-status { display: flex; align-items: center; flex-wrap: wrap; gap: .7rem 1.3rem; margin-top: 1.65rem; font-size: .87rem; }
.paper-status a { text-decoration: none; }
.primary-link { display: inline-flex; align-items: center; min-height: 2.55rem; padding: .45rem .9rem; border: 1px solid var(--blue); background: var(--blue); color: #fff; }
.primary-link:hover { border-color: var(--teal); background: var(--teal); color: #fff; }
.revision-status { color: var(--muted); }
.hero-figure, .wide-figure, .agenda-figure { margin: 2.75rem 0 0; }
.hero-figure img, .wide-figure img, .agenda-figure img { display: block; width: 100%; height: auto; }
.hero-figure { padding: 1.25rem 0 .8rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
figcaption { max-width: 90ch; margin: .65rem auto 0; color: var(--muted); font-size: .78rem; line-height: 1.5; text-align: left; }

.paper-section { padding-block: clamp(4rem, 7vw, 6.5rem); }
.section-heading { max-width: 57rem; margin-bottom: 2rem; }
h2 { margin: 0; font: 500 clamp(2rem, 3.7vw, 3.3rem)/1.12 var(--serif); letter-spacing: -.035em; }
.section-intro { max-width: 58ch; margin: .95rem 0 0; color: var(--muted); font-size: .97rem; }
.argument-grid { display: grid; grid-template-columns: minmax(14rem, .8fr) minmax(25rem, 1.2fr); gap: clamp(2rem, 7vw, 7rem); align-items: start; }
.argument-lead { max-width: 42ch; font: 1.15rem/1.58 var(--serif); color: var(--ink); }
.argument-lead p { margin: 0 0 1.2rem; }
.text-link { font: 600 .88rem/1.5 var(--sans); }
.contribution-list { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem 2rem; margin: 0; padding: 0; list-style: none; counter-reset: contributions; }
.contribution-list li { border-top: 1px solid var(--line); padding-top: .75rem; }
.contribution-list strong { display: block; margin-bottom: .25rem; color: var(--ink); font-size: .94rem; }
.contribution-list span { display: block; color: var(--muted); font-size: .86rem; line-height: 1.5; }

.framework-section { padding-block: clamp(4rem, 7vw, 6.5rem); background: var(--soft); border-block: 1px solid var(--line); }
.framework-wrap .section-heading { margin-bottom: 2rem; }
.function-picker { display: grid; grid-template-columns: repeat(6, 1fr); border-top: 1px solid #bcc8d5; border-bottom: 1px solid #bcc8d5; }
.function-button { position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: .1rem; min-height: 5.2rem; padding: .75rem .85rem; border: 0; border-right: 1px solid var(--line); background: transparent; cursor: pointer; text-align: left; }
.function-button:last-child { border-right: 0; }
.function-button[aria-pressed="true"] { background: #fff; box-shadow: inset 0 -3px var(--teal); }
.function-button:hover { background: #fff; }
.function-code { color: var(--blue); font: 600 1.22rem/1.25 var(--serif); }
.function-name { color: var(--ink); font-size: .8rem; line-height: 1.3; }
.function-explanation { min-height: 5.3rem; max-width: 75ch; padding: 1.05rem .15rem 1.3rem; color: var(--body); font-size: .95rem; }
.function-explanation strong { color: var(--ink); }
.lifecycle-figure { margin-top: 1rem; }
.lifecycle-figure img { max-height: 34rem; object-fit: contain; }

.split-heading { display: grid; grid-template-columns: 1fr minmax(18rem, .75fr); gap: 2rem; align-items: end; max-width: none; }
.split-heading .section-intro { margin: 0 0 .15rem; }
.taxonomy-figure { max-width: 62rem; margin: 2rem auto 2.5rem; }
.taxonomy-figure img { max-height: 27rem; object-fit: contain; }
.matrix-controls { display: grid; grid-template-columns: auto minmax(12rem, 1.5fr) auto minmax(12rem, 1fr) auto minmax(10rem, .85fr) auto; align-items: end; gap: .65rem .8rem; margin: 2rem 0 1rem; }
.matrix-controls label { color: var(--muted); font-size: .78rem; }
.matrix-controls input, .matrix-controls select { width: 100%; min-height: 2.65rem; border: 1px solid #bcc8d5; border-radius: 2px; padding: .45rem .65rem; background: #fff; }
.matrix-count { align-self: center; justify-self: end; margin: 0; color: var(--ink); font-size: .82rem; white-space: nowrap; }
.legend { display: flex; flex-wrap: wrap; gap: .5rem 1.4rem; margin: .8rem 0; color: var(--muted); font-size: .77rem; }
.legend > span { display: inline-flex; align-items: center; gap: .4rem; }
.rating-dot { display: inline-grid; place-items: center; width: 1.35rem; height: 1.35rem; border-radius: 50%; font-size: .68rem; font-style: normal; }
.rating-dot.full { background: var(--teal); color: #fff; }
.rating-dot.partial { background: #e8e0f3; color: #594887; }
.rating-dot.absent { background: #f5e4da; color: #8a4e2b; }
.rating-dot.unverified { background: #e5eaf0; color: #506176; }
.table-scroll { overflow-x: auto; overscroll-behavior-inline: contain; border: 1px solid var(--line); }
.system-table { width: 100%; min-width: 860px; border-collapse: collapse; font-size: .82rem; }
.system-table th { padding: .7rem .65rem; background: #f5f7fa; color: var(--ink); text-align: left; font-size: .75rem; font-weight: 650; white-space: nowrap; }
.system-table thead th:nth-child(n+2):nth-child(-n+7), .system-table td.rating-cell { width: 3.5rem; text-align: center; }
.system-table td { padding: .6rem .65rem; border-top: 1px solid #e6ebf0; vertical-align: middle; }
.system-table tbody tr.data-row:hover { background: #f8fafc; }
.system-name { color: var(--ink); font-weight: 600; }
.group-label { color: var(--muted); font-size: .75rem; }
.rating-cell { font-weight: 700; }
.rating-cell .rating-dot { margin-inline: auto; }
.evidence-toggle { border: 0; padding: .2rem .35rem; background: transparent; color: var(--blue); cursor: pointer; font-size: .78rem; text-decoration: underline; text-underline-offset: .18em; }
.evidence-row td { padding: 0; background: #fbfcfd; }
.evidence-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: .4rem 1.5rem; padding: .9rem 1rem 1rem; }
.evidence-item { display: grid; grid-template-columns: 1.5rem 7rem 1fr auto; gap: .4rem; align-items: baseline; padding: .35rem 0; border-bottom: 1px solid #e8edf2; font-size: .75rem; }
.evidence-item strong { color: var(--ink); }
.evidence-item .confidence { color: var(--muted); }
.evidence-item a { white-space: nowrap; }
.matrix-note { margin: .8rem 0 0; color: var(--muted); font-size: .78rem; }
.data-download { margin: .35rem 0 0; font-size: .78rem; }

.evaluation-section { padding-block: clamp(4rem, 7vw, 6.5rem); background: #f8fafc; border-block: 1px solid var(--line); }
.evaluation-figure { margin: 2rem auto 2.5rem; max-width: 65rem; }
.evaluation-figure img { max-height: 27rem; object-fit: contain; }
.evaluation-list { display: grid; grid-template-columns: 1fr 1fr; column-gap: 3rem; border-top: 1px solid #bcc8d5; }
.evaluation-area { padding: 1rem 0 1.15rem; border-bottom: 1px solid var(--line); }
.evaluation-area h3 { margin: 0 0 .35rem; font: 600 1.04rem/1.35 var(--serif); }
.evaluation-area p { margin: 0 0 .6rem; color: var(--muted); font-size: .84rem; }
.benchmark-links { display: flex; flex-wrap: wrap; gap: .35rem .8rem; margin: 0; padding: 0; list-style: none; }
.benchmark-links a { font-size: .81rem; }
.task-environment-note { max-width: 85ch; margin: 1.7rem 0 0; padding-left: 1rem; border-left: 3px solid var(--orange); color: var(--body); font-size: .88rem; }

.latest-section { padding-block: clamp(4rem, 7vw, 6.5rem); }
.latest-list { display: grid; grid-template-columns: 1fr 1fr; column-gap: 3rem; border-top: 1px solid #bcc8d5; }
.latest-item { display: grid; grid-template-columns: 8.5rem 1fr; column-gap: 1rem; align-content: start; padding: 1.05rem 0 1.1rem; border-bottom: 1px solid var(--line); }
.latest-kind { grid-row: span 2; margin: .15rem 0 0; color: var(--teal); font-size: .75rem; font-weight: 650; }
.latest-item h3 { margin: 0; font: 600 .98rem/1.4 var(--serif); }
.latest-item h3 a { color: var(--ink); text-decoration-color: #9caabc; }
.latest-item h3 a:hover { color: var(--blue); }
.latest-description { grid-column: 2; margin: .4rem 0 0; color: var(--muted); font-size: .82rem; line-height: 1.5; }

.agenda-section { padding-block: clamp(4rem, 7vw, 6.5rem); }
.agenda-grid { display: grid; grid-template-columns: minmax(20rem, .85fr) minmax(28rem, 1.15fr); gap: clamp(2rem, 6vw, 6rem); align-items: center; }
.agenda-grid .section-intro { margin-bottom: 1.2rem; }
.agenda-list { margin: 0; padding-left: 1.25rem; }
.agenda-list li { padding: .25rem 0 .45rem .2rem; }
.agenda-list strong { color: var(--ink); }
.agenda-figure { margin: 0; padding: 1rem; border: 1px solid var(--line); }
.agenda-figure img { max-height: 25rem; object-fit: contain; }

.citation-band { padding-block: clamp(3.2rem, 6vw, 5.2rem); background: var(--ink); color: #e8edf3; }
.citation-grid { display: grid; grid-template-columns: minmax(18rem, .8fr) minmax(28rem, 1.2fr); gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.citation-band h2 { max-width: 12ch; color: #fff; }
.citation-band .section-kicker { color: #73c5ca; }
.citation-note { max-width: 46ch; color: #c6d0dc; font-size: .9rem; }
.citation-band .text-link { color: #a9c8f4; }
.bibtex-block { border: 1px solid #516178; background: #192a40; }
.bibtex-heading { display: flex; align-items: center; justify-content: space-between; padding: .7rem .85rem; border-bottom: 1px solid #516178; color: #d9e5f4; font-size: .76rem; }
.bibtex-heading button { border: 1px solid #73859c; border-radius: 2px; padding: .35rem .6rem; background: transparent; color: #fff; cursor: pointer; font-size: .76rem; }
.bibtex-heading button:hover { border-color: #a9c8f4; color: #a9c8f4; }
.bibtex-block pre { overflow-x: auto; margin: 0; padding: 1rem; color: #e2e8f0; font: .72rem/1.6 var(--mono); }
.copy-status { min-height: 1.3rem; margin: 0; padding: 0 .85rem .5rem; color: #a8d9ce; font-size: .75rem; }
.site-footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .7rem 1.5rem; padding-block: 1.5rem; color: var(--muted); font-size: .74rem; }
.site-footer a { color: var(--body); }

@media (max-width: 900px) {
  .site-header { grid-template-columns: auto 1fr auto; gap: 1rem; padding-inline: 1.2rem; }
  .primary-nav { gap: .8rem; }
  .github-link { display: none; }
  .matrix-controls { grid-template-columns: auto minmax(11rem, 1fr) auto minmax(10rem, 1fr); }
  .matrix-count { grid-column: 4; }
  .agenda-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 650px) {
  body { font-size: 15px; }
  .page-wrap { width: min(100% - 2rem, var(--measure)); }
  .site-header { min-height: 3.8rem; grid-template-columns: auto 1fr auto; gap: .6rem; padding-inline: 1rem; }
  .primary-nav { justify-content: flex-end; gap: .65rem; }
  .primary-nav a { font-size: .72rem; }
  .header-actions { gap: 0; }
  .hero { padding-top: 3rem; }
  h1 { font-size: clamp(2.35rem, 11vw, 3.6rem); }
  .authors { font-size: .9rem; }
  .affiliations { font-size: .78rem; }
  .paper-status { align-items: flex-start; gap: .7rem 1rem; }
  .argument-grid, .split-heading, .agenda-grid, .citation-grid { grid-template-columns: 1fr; }
  .argument-grid { gap: 1.5rem; }
  .contribution-list { grid-template-columns: 1fr; gap: .8rem; }
  .function-picker { grid-template-columns: repeat(3, 1fr); }
  .function-button { min-height: 4.5rem; border-bottom: 1px solid var(--line); }
  .function-button:nth-child(3) { border-right: 0; }
  .function-button:nth-child(n+4) { border-bottom: 0; }
  .split-heading { gap: .6rem; }
  .matrix-controls { grid-template-columns: 1fr 1fr; align-items: center; }
  .matrix-controls label { align-self: end; }
  .matrix-controls input, .matrix-controls select { grid-row: 2; }
  #system-search { grid-column: 1; }
  .search-label { grid-column: 1; grid-row: 1; }
  .filter-label[for="category-filter"] { grid-column: 2; grid-row: 1; }
  #category-filter { grid-column: 2; }
  .filter-label[for="rating-filter"] { grid-column: 1; grid-row: 3; }
  #rating-filter { grid-column: 1; grid-row: 4; }
  .matrix-count { grid-column: 2; grid-row: 4; justify-self: end; }
  .legend { gap: .45rem .8rem; }
  .evidence-list { grid-template-columns: 1fr; }
  .evaluation-list { grid-template-columns: 1fr; }
  .latest-list { grid-template-columns: 1fr; }
  .latest-item { grid-template-columns: 6.7rem 1fr; }
  .agenda-grid { gap: 1.7rem; }
  .citation-grid { gap: 1.7rem; }
  .site-footer { align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* P2 figures retain their native aspect ratio and open at full resolution. */
.p2-figure { max-width: 1100px; margin: 2rem auto 2.8rem; }
.p2-figure img { width: 100%; height: auto; max-height: none; object-fit: contain; }
.p2-figure a { display: block; }
.p2-figure figcaption { max-width: 100ch; margin: .8rem auto 0; }
.coverage-figure { max-width: 960px; }
.agenda-grid { grid-template-columns: 1fr; }
#engineering h3 { margin-top: 2.5rem; }

/* Compact reading layout: preserve 16px body text and reduce oversized display spacing. */
body { line-height: 1.5; }
.hero { padding-top: clamp(1.75rem, 3vw, 2.5rem); }
h1 { max-width: 30ch; font-size: clamp(2rem, 3.3vw, 3.25rem); line-height: 1.12; letter-spacing: -.025em; }
h2 { font-size: clamp(1.65rem, 2.4vw, 2.25rem); line-height: 1.18; }
.authors { margin-top: 1rem; line-height: 1.45; }
.affiliations { margin-bottom: 1rem; line-height: 1.45; }
.thesis { font-size: clamp(1.05rem, 1.5vw, 1.25rem); line-height: 1.45; max-width: 76ch; }
.paper-status { margin-top: 1rem; }
.paper-section, .evaluation-section, .latest-section, .agenda-section { padding-block: clamp(1.75rem, 3vw, 2.75rem); }
.framework-wrap { padding-block: clamp(1.75rem, 3vw, 2.75rem); }
.section-heading { margin-bottom: 1.2rem; }
.project-line, .section-kicker { margin-bottom: .5rem; }
.section-intro { margin-top: .65rem; }
.argument-lead { font-size: 1.05rem; line-height: 1.5; }
.argument-grid { gap: 2rem; }
.p2-figure { max-width: 960px; margin: 1.25rem auto 1.5rem; }
.hero-figure { max-width: 920px; padding-block: .75rem; }
.p2-figure figcaption { margin-top: .5rem; line-height: 1.45; font-size: .8125rem; }
.coverage-figure { max-width: 820px; }
#engineering h3 { margin-top: 1.5rem; }
.citation-band { padding-block: 2.5rem; }
.figure-overview { margin: 1rem 0; border-block: 1px solid var(--line); padding-block: .65rem; }
.figure-overview summary { cursor: pointer; color: var(--blue); font-weight: 600; padding: .4rem 0; }
@media (max-width: 650px) {
 body { font-size: 16px; }
 h1 { font-size: clamp(1.9rem, 6vw, 2.35rem); }
 .hero { padding-top: 1.5rem; }
 .paper-section, .evaluation-section, .latest-section, .agenda-section, .framework-wrap { padding-block: 1.5rem; }
 .p2-figure { margin-block: 1rem 1.25rem; }
 .primary-nav { overflow-x: auto; justify-content: flex-start; min-width: 0; }
 .primary-nav a { white-space: nowrap; min-height: 24px; display: inline-flex; align-items: center; }
}

.group-actions { display:flex; gap:1rem; margin:.65rem 0; }
.group-actions button { background:transparent; border:0; padding:.3rem 0; color:var(--blue); font-size:.8125rem; cursor:pointer; text-decoration:underline; text-underline-offset:.2em; }
.system-group-row th { padding:0!important; background:#edf2f6!important; }
.system-group-toggle { display:flex; align-items:center; gap:.55rem; width:100%; border:0; padding:.6rem .8rem; background:transparent; color:var(--ink); text-align:left; font-weight:600; cursor:pointer; }
.system-group-toggle small { border-radius:1rem; background:#dfe7ee; padding:.05rem .5rem; font-weight:400; }
.system-group-toggle:disabled { cursor:default; opacity:1; }
.system-table td, .system-table tbody th { padding:.48rem .65rem; }
.system-table .system-name { background:#fff; }

.framework-section { padding-block: clamp(1.75rem, 3vw, 2.75rem); }
.framework-wrap { padding-block: 0; }
.framework-wrap .section-heading { margin-bottom: 1.2rem; }
.group-actions button:disabled { color: var(--muted); cursor: default; text-decoration: none; }
@media (max-width:650px) { .framework-section { padding-block:1.5rem; } .framework-wrap { padding-block:0; } }

.system-table { min-width: 590px; }
.system-table .system-name { width: 30%; }
.citation-grid > *, .argument-grid > *, .split-heading > * { min-width: 0; }
.bibtex-block pre { max-width: 100%; }

.wordmark { font: 600 .9rem/1.2 var(--sans); letter-spacing: 0; }
@media (max-width:650px) { .wordmark { max-width:7rem; white-space:normal; font-size:.8rem; } }

/* ===== Layout refinement 2026-10-30b: density, rhythm, readability ===== */
:root { --section-pad: clamp(2.25rem, 4vw, 3.5rem); }
body { line-height: 1.6; }
html { scroll-padding-top: 4.5rem; }

/* Header */
.site-header { min-height: 3.6rem; gap: 1.5rem; }
.wordmark { font: 650 .95rem/1.2 var(--sans); color: var(--ink); white-space: nowrap; }

/* Hero: text and architecture figure side by side on wide screens */
.hero { padding-top: clamp(2rem, 4vw, 3.25rem); padding-bottom: var(--section-pad); }
h1 { max-width: 22ch; font-size: clamp(2rem, 3vw, 2.9rem); line-height: 1.1; }
.authors { margin-top: 1.1rem; font-size: .95rem; line-height: 1.5; }
.affiliations { font-size: .85rem; line-height: 1.5; margin-bottom: 1.1rem; }
.thesis { font-size: clamp(1.05rem, 1.35vw, 1.2rem); line-height: 1.55; max-width: 60ch; }
.paper-status { margin-top: 1.25rem; }
.hero-figure.p2-figure { max-width: none; margin: 1.75rem 0 0; padding: 0; border: 0; }
@media (min-width: 1100px) {
  .hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr); gap: clamp(2rem, 4vw, 3.5rem); align-items: center; }
  .hero-figure.p2-figure { margin: 0; }
  .hero-figure figcaption { margin-top: .6rem; }
}

/* Consistent vertical rhythm between sections */
.paper-section, .evaluation-section, .latest-section, .agenda-section, .framework-section { padding-block: var(--section-pad); }
.paper-section + .paper-section { border-top: 1px solid var(--line); }
.section-heading { margin-bottom: 1.5rem; }
h2 { font-size: clamp(1.6rem, 2.3vw, 2.15rem); line-height: 1.2; }
#engineering h3 { margin: 2rem 0 .25rem; font-size: 1.1rem; }
.section-intro { max-width: 72ch; font-size: .97rem; line-height: 1.65; color: #56667a; }

/* Split headings read top-to-bottom instead of floating intro text */
.split-heading { display: block; max-width: 60rem; }
.split-heading .section-intro { margin: .65rem 0 0; }

/* Body copy */
.argument-lead { font-size: 1.08rem; line-height: 1.6; }
.contribution-list span, .evaluation-area p, .latest-description { line-height: 1.6; }
.function-explanation { line-height: 1.6; min-height: 4.5rem; }

/* Figures: readable captions, never taller than the viewport */
.p2-figure { margin: 1.25rem auto 1.75rem; }
.p2-figure img { width: auto; max-width: 100%; max-height: 76vh; margin-inline: auto; }
.p2-figure figcaption, figcaption { max-width: 88ch; color: #56667a; font-size: .85rem; line-height: 1.55; }
.lifecycle-figure img, .taxonomy-figure img, .evaluation-figure img { max-height: 70vh; }

/* Matrix controls: labels sit above their inputs */
.matrix-controls { grid-template-columns: minmax(12rem, 1.4fr) minmax(11rem, 1fr) minmax(10rem, .9fr) auto; grid-template-rows: auto auto; column-gap: 1rem; row-gap: .3rem; margin-top: 1.5rem; }
.matrix-controls .search-label { grid-column: 1; grid-row: 1; }
.matrix-controls #system-search { grid-column: 1; grid-row: 2; }
.matrix-controls .filter-label[for="category-filter"] { grid-column: 2; grid-row: 1; }
.matrix-controls #category-filter { grid-column: 2; grid-row: 2; }
.matrix-controls .filter-label[for="rating-filter"] { grid-column: 3; grid-row: 1; }
.matrix-controls #rating-filter { grid-column: 3; grid-row: 2; }
.matrix-controls .matrix-count { grid-column: 4; grid-row: 2; }
.matrix-controls input, .matrix-controls select { min-height: 2.4rem; }
.legend { font-size: .8rem; }
.matrix-note, .data-download { font-size: .82rem; }

@media (max-width: 900px) {
  .matrix-controls { grid-template-columns: 1fr 1fr; }
  .matrix-controls .filter-label[for="rating-filter"] { grid-column: 1; grid-row: 3; }
  .matrix-controls #rating-filter { grid-column: 1; grid-row: 4; }
  .matrix-controls .matrix-count { grid-column: 2; grid-row: 4; }
}

/* Mobile: title + language on row one, scrollable nav on row two */
@media (max-width: 650px) {
  :root { --section-pad: 2rem; }
  .site-header { grid-template-columns: 1fr auto; row-gap: .1rem; padding: .5rem 1rem .25rem; }
  .wordmark { max-width: none; font-size: .95rem; white-space: nowrap; }
  .header-actions { grid-column: 2; grid-row: 1; }
  .primary-nav { grid-column: 1 / -1; grid-row: 2; justify-content: flex-start; gap: 1.1rem; overflow-x: auto; scrollbar-width: none; padding-bottom: .2rem; }
  .primary-nav::-webkit-scrollbar { display: none; }
  .primary-nav a { font-size: .82rem; }
  html { scroll-padding-top: 6rem; }
  h1 { font-size: clamp(1.75rem, 7.5vw, 2.2rem); max-width: none; }
  .thesis { font-size: 1.04rem; }
  .p2-figure img { max-height: none; }
  .p2-figure figcaption, figcaption { font-size: .82rem; }
}
.hero { padding-bottom: clamp(1rem, 2vw, 1.75rem); }
h1, h2 { text-wrap: balance; }
.p2-figure { margin-bottom: 1.25rem; }
section > .p2-figure:last-child, .page-wrap > .p2-figure:last-child { margin-bottom: 0; }
.site-header { background: #fff; }

/* Research comparison: compact rows, with optional supporting figure. */
.evolution-table { width:100%; min-width:560px; border-collapse:collapse; font-size:.86rem; }
.evolution-table th,.evolution-table td { padding:.65rem .8rem; text-align:left; vertical-align:top; border-bottom:1px solid var(--line); }
.evolution-table thead { background:#f5f7fa; }
.evolution-table tbody th { white-space:nowrap; }
#evolution .figure-overview figure { max-width:900px; margin-inline:auto; }

.case-synthesis dl { display:grid; grid-template-columns:150px 1fr; gap:.65rem 1rem; font-size:.9rem; }
.case-synthesis dt { font-weight:650; }
.case-synthesis dd { margin:0; }
@media(max-width:600px) { .case-synthesis dl { grid-template-columns:1fr; gap:.35rem; } .case-synthesis dd { margin-bottom:.75rem; } }