:root {
  color-scheme: light dark;
  --bg: #fcfcf8;
  --surface: #ffffff;
  --tint: #f0f4f0;
  --text: #182c29;
  --muted: #53645e;
  --line: #d7e0da;
  --accent: #116c58;
  --accent-strong: #085241;
  --accent-soft: #e5f2eb;
  --warm: #84501d;
  --warm-bg: #fff3dc;
  --focus: #b54817;
  --header-bg: rgba(252, 252, 248, 0.96);
  --shadow: 0 16px 48px rgba(24, 44, 41, 0.06);
  --radius: 1.1rem;
  --sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 8rem;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

[hidden] { display: none !important; }

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent);
  text-underline-offset: 0.2em;
  overflow-wrap: anywhere;
}

a:hover { color: var(--accent-strong); }

button, input, select { font: inherit; }

button, select, summary { cursor: pointer; }

button:disabled, fieldset:disabled input, fieldset:disabled select {
  cursor: not-allowed;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

h1, h2, h3, h4, p, figure, dl { margin-top: 0; }

h1, h2, h3, h4 {
  font-weight: 650;
  line-height: 1.2;
  text-wrap: balance;
}

h1 {
  margin-bottom: 1.7rem;
  font-size: clamp(2.1rem, 3.8vw, 3.45rem);
  letter-spacing: -0.045em;
  line-height: 1.13;
}

h2 {
  margin-bottom: 1.1rem;
  font-size: clamp(2rem, 3.5vw, 3rem);
  letter-spacing: -0.04em;
}

h3 {
  margin-bottom: 1rem;
  font-size: 1.45rem;
  letter-spacing: -0.025em;
}

h4 { font-size: 1.15rem; }

p { margin-bottom: 1rem; }

sup, sub {
  line-height: 0;
  font-size: 0.72em;
}

.container {
  width: min(100% - 3rem, 1200px);
  margin-inline: auto;
}

.reading-width { max-width: 880px; }

.section {
  padding-block: clamp(3.5rem, 7vw, 6rem);
  scroll-margin-top: 2rem;
}

.section-tinted {
  background: var(--tint);
  border-block: 1px solid var(--line);
}

.section-heading {
  max-width: 900px;
  margin-bottom: 2rem;
}

.section-lead {
  font-size: 1.14rem;
  color: var(--muted);
  line-height: 1.8;
}

.eyebrow {
  margin-bottom: 0.75rem;
  color: var(--accent);
  font-size: 0.73rem;
  font-weight: 750;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.small { font-size: 0.86rem; }
.muted { color: var(--muted); }

.editor-note, .notice, .asset-error {
  padding: 0.8rem 1rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--warm);
  border-radius: 0.5rem;
  background: var(--warm-bg);
  color: var(--warm);
  font-size: 0.85rem;
}

.editor-note { margin-block: 1rem; }

.skip-link {
  position: fixed;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 100;
  padding: 0.8rem 1rem;
  transform: translateY(-200%);
  border-radius: 0.5rem;
  background: var(--surface);
  color: var(--text);
  font-weight: 700;
}

.skip-link:focus { transform: translateY(0); }

.preview-banner {
  background: var(--warm-bg);
  border-bottom: 1px solid var(--line);
  color: var(--warm);
  font-size: 0.77rem;
}

.preview-banner .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.3rem 0.65rem;
  padding-block: 0.55rem;
}

.status-dot {
  display: inline-block;
  flex: 0 0 auto;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: currentColor;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--header-bg);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.65rem 2rem;
  min-height: 4.7rem;
  padding-block: 0.85rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 750;
  letter-spacing: -0.04em;
}

.brand-secondary {
  color: var(--muted);
  font-weight: 450;
}

.brand-mark {
  display: inline-block;
  width: 1.85rem;
  height: 1.85rem;
  flex: 0 0 auto;
  border: 2px solid var(--accent);
  border-top-color: transparent;
  border-radius: 50%;
  position: relative;
  transform: rotate(-25deg);
}

.brand-mark::before, .brand-mark::after {
  content: "";
  position: absolute;
  inset: 0.28rem;
  border: 2px solid var(--accent);
  border-top-color: transparent;
  border-radius: 50%;
}

.brand-mark::after {
  inset: 0.67rem;
  border: 0;
  background: var(--accent);
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 1.1rem;
}

.site-header nav a {
  display: inline-block;
  padding-block: 0.45rem;
  color: var(--muted);
  font-size: 0.84rem;
  text-decoration: none;
}

.site-header nav a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
  align-items: start;
  gap: clamp(2rem, 4vw, 4rem);
  padding-block: 4rem 5rem;
}

.hero-copy { min-width: 0; }

.authors {
  font-size: 1rem;
  line-height: 2;
}

.authors span { display: inline; }
.authors sup { margin-left: 0.12rem; }
.authors sup a { text-decoration: none; }

.affiliations {
  color: var(--muted);
  font-size: 0.83rem;
  line-height: 1.65;
}

.affiliations p { margin-bottom: 0.3rem; }

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-block: 1.5rem 0.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.8rem;
  padding: 0.65rem 1rem;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  background: var(--surface);
  color: var(--text);
  text-align: center;
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 650;
  line-height: 1.4;
}

.button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.button-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.button-primary:hover {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
  color: #ffffff;
}

.button-disabled {
  border-style: dashed;
  background: transparent;
  color: var(--muted);
  cursor: default;
}

.teaser {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.teaser figcaption { padding: 1rem 1.25rem; }

.overview-placeholder {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.7rem;
  min-height: 35rem;
  background:
    radial-gradient(ellipse at top right, var(--accent-soft), transparent 72%),
    var(--tint);
}

.overview-flow {
  display: grid;
  gap: 0.7rem;
  margin-block: 1rem;
}

.overview-flow > div {
  display: grid;
  gap: 0.3rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: var(--surface);
}

.overview-flow strong {
  font-size: 1.2rem;
  line-height: 1.3;
  letter-spacing: -0.025em;
}

.overview-flow span:not(.flow-arrow) {
  color: var(--muted);
  font-size: 0.8rem;
}

.overview-flow .flow-label {
  color: var(--accent) !important;
  font-size: 0.68rem !important;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.flow-arrow {
  justify-self: center;
  color: var(--accent);
  line-height: 1;
}

figcaption {
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.65;
}

figcaption strong { color: var(--text); }
figcaption > a { margin-left: 0.45rem; }

.caption-note {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.82rem;
}

.abstract-text {
  margin-bottom: 0;
  font-size: 1.1rem;
  line-height: 1.95;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  margin-block: 2rem 1.2rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.stats-grid > div {
  display: flex;
  flex-direction: column-reverse;
  justify-content: center;
  gap: 0.25rem;
  padding: 1.4rem 1.1rem;
  background: var(--surface);
}

.stats-grid dt {
  color: var(--muted);
  font-size: 0.78rem;
}

.stats-grid dd {
  margin: 0;
  color: var(--accent);
  font-size: clamp(1.3rem, 2.2vw, 1.8rem);
  font-weight: 650;
  letter-spacing: -0.05em;
  font-variant-numeric: tabular-nums;
}

.format-line {
  color: var(--muted);
  font-size: 0.9rem;
}

.tier-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-block: 2rem;
}

.tier-card {
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: 0.65rem;
  background: var(--surface);
}

.tier-benchmark { border-top-color: #568da5; }
.tier-external { border-top-color: #b67b3d; }

.tier-card h3 {
  margin-bottom: 0.7rem;
  font-size: 1.7rem;
}

.tier-card p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.inventory {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.inventory summary {
  padding: 1.25rem 1.4rem;
  font-weight: 700;
}

.inventory summary::marker { color: var(--accent); }

.summary-hint {
  display: inline-block;
  margin-left: 0.7rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 400;
}

.inventory[open] summary { border-bottom: 1px solid var(--line); }
.inventory-content { padding: 1.4rem; }

fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.filter-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1.2fr) auto;
  align-items: end;
  gap: 0.8rem;
  margin-block: 1.3rem 0.8rem;
}

.field { min-width: 0; }

.field label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.8rem;
  font-weight: 650;
}

input, select {
  width: 100%;
  min-height: 2.8rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: var(--bg);
  color: var(--text);
  font-size: 0.9rem;
}

input::placeholder {
  color: var(--muted);
  opacity: 1;
}

fieldset:disabled { opacity: 0.65; }

.table-scroll {
  max-width: 100%;
  max-height: 38rem;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  overscroll-behavior: contain;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.82rem;
  line-height: 1.55;
}

caption {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--tint);
  color: var(--muted);
  text-align: left;
  font-weight: 600;
}

th, td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--tint);
  font-size: 0.73rem;
  white-space: nowrap;
}

tbody tr:last-child > * { border-bottom: 0; }
tbody th { font-weight: 650; }
tbody tr:hover { background: var(--accent-soft); }

.dataset-table { min-width: 1080px; }
.dataset-table th:first-child { min-width: 10rem; }
.dataset-table td:nth-child(6) { min-width: 15rem; max-width: 21rem; }
.dataset-table td:nth-child(7) { min-width: 13rem; max-width: 20rem; }

.numeric {
  text-align: right;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.tier-badge {
  display: inline-block;
  padding: 0.18rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: 100px;
  background: var(--accent-soft);
  color: var(--text);
  font-size: 0.73rem;
  font-weight: 600;
}

.source-label, .source-evidence, .source-unavailable { display: block; }

.source-evidence, .source-unavailable {
  margin-top: 0.45rem;
  font-size: 0.75rem;
}

.source-unavailable { color: var(--muted); }

.empty-state {
  padding: 2rem;
  color: var(--muted);
  text-align: center;
}

.architecture {
  padding: 1.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.architecture h3 {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.branch-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.branch {
  display: grid;
  gap: 0.6rem;
  padding: 1.5rem 1rem;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: var(--tint);
  text-align: center;
}

.branch strong {
  font-size: 1.3rem;
  letter-spacing: -0.03em;
}

.branch span { font-size: 0.8rem; color: var(--muted); }

.branch .branch-scale {
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.fusion-bar, .decoder-bar {
  margin-top: 1rem;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  background: var(--accent-soft);
  text-align: center;
  font-size: 0.9rem;
  font-weight: 650;
}

.decoder-bar {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.architecture .editor-note { margin-bottom: 0; }

.model-description { margin-block: 1.7rem 2.5rem; }

.subheading { margin-block: 2rem 1rem; }

.recipe-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem 2rem;
  margin-bottom: 0;
}

.recipe-grid > div { border-top: 1px solid var(--line); padding-top: 1rem; }
.recipe-grid dt { margin-bottom: 0.5rem; font-weight: 700; }
.recipe-grid dd { margin: 0; color: var(--muted); font-size: 0.88rem; }
.equation { display: block; color: var(--text); font-family: var(--mono); }

.result-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
}

.result-nav a {
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 100px;
  color: var(--muted);
  font-size: 0.78rem;
  text-decoration: none;
}

.result-nav a:hover { color: var(--accent); border-color: var(--accent); }

.result-section {
  margin-top: 3.25rem;
  padding-top: 3.25rem;
  border-top: 1px solid var(--line);
  scroll-margin-top: 7rem;
}

.result-section > h3 {
  max-width: 980px;
  font-size: clamp(1.5rem, 2.7vw, 2.2rem);
}

.result-copy { max-width: 920px; }
.result-copy p { line-height: 1.85; }
.text-link { font-size: 0.9rem; font-weight: 650; }

.method-note {
  padding-left: 1rem;
  border-left: 2px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}

.paper-figure { margin: 1.75rem 0 0; }
.figure-image { display: block; overflow: hidden; border: 1px solid var(--line); border-radius: 0.75rem; background: #ffffff; }
.figure-image img { width: 100%; }
.paper-figure figcaption { padding-top: 0.85rem; }
.paper-figure .asset-error { min-height: 10rem; padding: 2rem; }

.comparison-panel { max-width: 900px; margin-block: 1.8rem; }
.compact-scroll { max-height: none; }
.comparison-table { min-width: 560px; background: var(--surface); }
.comparison-panel .method-note { margin-top: 1rem; }
.highlight-row { background: var(--accent-soft); }

.inline-result {
  display: grid;
  gap: 0.5rem;
  max-width: 900px;
  padding: 1.2rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: var(--tint);
}

.inline-result > span { color: var(--muted); font-size: 0.85rem; }
.inline-result strong { font-size: 1.1rem; font-variant-numeric: tabular-nums; }

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-block: 1.8rem;
}

.metric-grid > div {
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: var(--surface);
}

.metric-grid dt {
  min-height: 3.2em;
  margin-bottom: 0.7rem;
  color: var(--muted);
  font-size: 0.75rem;
}

.metric-grid dd {
  margin: 0;
  color: var(--accent);
  font-size: 2rem;
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.metric-grid dd span {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0;
}

.pending-figure { margin: 1.8rem 0; }
.pending-figure figcaption { padding-top: 0.75rem; }

.media-placeholder {
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 0.6rem;
  min-height: 12rem;
  padding: 1.5rem;
  border: 1px dashed var(--line);
  border-radius: 0.75rem;
  background: var(--tint);
  text-align: center;
}

.media-placeholder p { margin: 0; color: var(--muted); font-size: 0.85rem; }

.placeholder-symbol {
  color: var(--accent);
  font-size: 2rem;
  line-height: 1.3;
}

.demo-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  align-items: center;
  gap: 3rem;
}

.demo-preview { margin: 0; min-width: 0; }
.demo-preview figcaption { margin-top: 0.8rem; }

.demo-window {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.demo-window-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.72rem;
}

.preview-label {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.65rem;
}

.demo-placeholder-body {
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 0.7rem;
  min-height: 20rem;
  padding: 2rem;
  background:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 3rem 3rem;
  text-align: center;
}

.demo-placeholder-body strong, .demo-placeholder-body p {
  margin: 0;
  padding: 0.35rem 0.8rem;
  border-radius: 0.4rem;
  background: var(--surface);
}

.demo-placeholder-body p { color: var(--muted); font-size: 0.85rem; }

.gallery-placeholder {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  align-items: center;
  gap: 1.5rem;
  margin-top: 3rem;
  padding: 1.5rem;
  border: 1px dashed var(--line);
  border-radius: 0.8rem;
}

.gallery-placeholder h3, .gallery-placeholder p:last-child { margin-bottom: 0; }
.gallery-placeholder > p { color: var(--muted); font-size: 0.9rem; }

.demo-embed-wrap { margin-top: 2.5rem; }

.demo-embed {
  display: block;
  width: 100%;
  height: min(1180px, 92vh);
  border: 0;
  background: var(--surface);
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-block: 2rem;
}

.resource-card {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
}

.resource-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.resource-card .eyebrow { margin: 0; }
.resource-card strong { line-height: 1.5; }
.resource-card > span:last-child { margin-top: auto; color: var(--muted); font-size: 0.8rem; }

.licence-panel {
  max-width: 950px;
  padding: 1.6rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--tint);
}

.licence-panel p { color: var(--muted); font-size: 0.94rem; }

.citation-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.citation-block {
  max-width: 100%;
  overflow-x: auto;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: var(--surface);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.8;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  tab-size: 2;
}

.copy-status { min-height: 1.5rem; color: var(--accent); }

.closing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 2.5rem;
}

.closing-grid h3 { font-size: 1.15rem; }
.closing-grid p { color: var(--muted); font-size: 0.9rem; }

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem 2rem;
  padding-block: 2rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.site-footer p { margin: 0; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 1000px) {
  .hero { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 2rem; }
  .stats-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .filter-grid { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
  .filter-reset { justify-self: start; }
  .recipe-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 9rem; }
  .container { width: min(100% - 2rem, 1200px); }
  .header-inner { gap: 0.4rem; }
  .site-header nav { width: 100%; gap: 0.15rem 1rem; }
  .hero { grid-template-columns: 1fr; padding-block: 2.75rem 3.5rem; }
  .overview-placeholder { min-height: 0; }
  .overview-flow { margin-block: 0.75rem 1.25rem; }
  .tier-grid, .demo-grid, .resource-grid { grid-template-columns: 1fr; }
  .tier-card { padding: 1.2rem; }
  .tier-card h3 { font-size: 1.5rem; }
  .branch-grid { grid-template-columns: 1fr; gap: 0.75rem; }
  .branch { padding: 1.2rem; }
  .architecture { padding: 1.25rem; }
  .recipe-grid { gap: 1.4rem; }
  .summary-hint { display: block; margin: 0.4rem 0 0 1.2rem; }
  .inventory-content { padding: 1rem; }
  .demo-grid { gap: 2rem; }
  .gallery-placeholder { grid-template-columns: 1fr; gap: 0.75rem; }
  .closing-grid { gap: 1.5rem; }
  .resource-card { gap: 0.5rem; }
  .result-section { scroll-margin-top: 9rem; }
}

@media (max-width: 460px) {
  h1 { font-size: 2.1rem; }
  .brand { font-size: 0.96rem; }
  .site-header nav { column-gap: 0.9rem; }
  .site-header nav a { font-size: 0.77rem; }
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats-grid > div:last-child { grid-column: 1 / -1; }
  .stats-grid dd { font-size: 1.65rem; }
  .recipe-grid, .closing-grid { grid-template-columns: 1fr; }
  .filter-grid { grid-template-columns: 1fr 1fr; }
  .field-search { grid-column: 1 / -1; }
  .filter-reset { grid-column: 1 / -1; }
  .metric-grid { gap: 0.7rem; }
  .metric-grid > div { padding: 1rem; }
  .metric-grid dd { font-size: 1.8rem; }
  .citation-heading { align-items: start; flex-wrap: wrap; }
  .preview-banner .container > span:last-child { flex-basis: 100%; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101b18;
    --surface: #172620;
    --tint: #14211c;
    --text: #e7eee8;
    --muted: #b0c0b5;
    --line: #35483d;
    --accent: #8cd5b5;
    --accent-strong: #b4efd2;
    --accent-soft: #233c31;
    --warm: #e4bc7e;
    --warm-bg: #30291d;
    --focus: #ffbd84;
    --header-bg: rgba(16, 27, 24, 0.96);
    --shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
  }

  .button-primary, .decoder-bar { color: #10261c; }
  .button-primary:hover { color: #10261c; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

@media print {
  :root {
    color-scheme: light;
    --bg: #ffffff;
    --surface: #ffffff;
    --tint: #f4f4f4;
    --text: #000000;
    --muted: #333333;
    --line: #cccccc;
    --accent: #184f3b;
    --warm: #664422;
    --warm-bg: #ffffff;
  }

  .site-header { position: static; }
  .site-header nav, .result-nav, .skip-link, #copy-citation, #dataset-filter-form { display: none; }
  .container { width: 100%; }
  .section, .hero { padding-block: 1.5rem; }
  .hero { grid-template-columns: 1fr; }
  .teaser, .architecture, .demo-window { box-shadow: none; }
  .table-scroll { max-height: none; overflow: visible; }
  .dataset-table { min-width: 0; font-size: 0.6rem; }
  .dataset-table td, .dataset-table th { min-width: 0 !important; padding: 0.35rem; }
  thead th { position: static; }
  .paper-figure { break-inside: avoid; }
}

/* PI addition: example gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem;margin:1rem 0}
.gallery-tile{margin:0;background:var(--surface,rgba(127,127,127,.08));border-radius:10px;overflow:hidden}
.gallery-tile img{display:block;width:100%;aspect-ratio:1/1;object-fit:cover}
.gallery-tile figcaption{font-size:.8rem;padding:.4rem .6rem;line-height:1.3}