:root {
  color-scheme: light;
  --bg: #f7f8fa;
  --surface: #ffffff;
  --surface-muted: #eef2f5;
  --text: #172026;
  --muted: #53616b;
  --border: #d7dde2;
  --accent: #1b6f7a;
  --accent-dark: #10535d;
  --code-bg: #111820;
  --code-text: #edf4f7;
  --shadow: 0 16px 42px rgba(23, 32, 38, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.55;
}

a {
  color: var(--accent-dark);
}

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.94em;
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  max-width: 1120px;
  margin: 0 auto;
  padding: 1rem 1.25rem 0;
}

.brand,
.nav-links,
.docs-card-links,
.docs-home,
.workspace-overview,
.feature-walkthroughs,
.benchmark-evidence,
.docs-grid,
.qp101-section,
.qp101-kicker {
  display: flex;
  gap: 1rem;
}

.brand {
  align-items: center;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 6px;
  background: var(--accent);
  color: #ffffff;
  font-size: 1rem;
  font-weight: 800;
}

.nav-links {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.top-nav a:not(.brand) {
  color: var(--muted);
  font-size: 0.95rem;
  text-decoration: none;
}

.brand:hover,
.brand:focus-visible {
  color: var(--text);
}

.top-nav a:not(.brand):hover {
  color: var(--text);
}

.top-nav .nav-link.current {
  color: var(--accent-dark);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.35rem;
}

.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 5rem 1.25rem 4.5rem;
}

.compact-hero {
  padding-top: 3.75rem;
  padding-bottom: 3.25rem;
}

.compact-hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
}

.eyebrow {
  margin: 0 0 0.5rem;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.16;
}

h1 {
  max-width: 28ch;
  font-size: clamp(3rem, 6vw, 4.25rem);
  letter-spacing: 0;
}

h2 {
  font-size: 2.35rem;
  letter-spacing: 0;
}

h3 {
  font-size: 1.12rem;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 760px;
  margin: 1.25rem 0 0;
  color: var(--muted);
  font-size: 1.15rem;
}

.section-copy {
  max-width: 760px;
  margin: 0.9rem 0 0;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.72rem 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
  white-space: normal;
}

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

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.docs-home,
.workspace-overview,
.feature-walkthroughs,
.benchmark-evidence,
.checked-results-section,
.benchmark-section,
.qp101-section {
  flex-direction: column;
}

.docs-home {
  margin-top: 0;
}

.docs-grid,
.workspace-grid,
.walkthrough-grid,
.evidence-grid,
.intro-grid,
.example-grid,
.workflow-grid,
.tier-grid,
.checked-results-grid {
  display: grid;
  gap: 1rem;
}

.benchmark-section {
  display: flex;
  flex-direction: column;
}

.docs-grid,
.workspace-grid,
.walkthrough-grid,
.intro-grid,
.example-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.evidence-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.workflow-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.evidence-stack {
  display: grid;
  gap: 1rem;
}

.content-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}

.content-links a {
  font-weight: 700;
  text-decoration: none;
}

.task-section,
.evidence-section,
[id] {
  scroll-margin-top: 1.5rem;
}

.tier-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.docs-card,
.intro-grid article,
.example-grid article {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.docs-card {
  padding: 1.25rem;
}

.compact-card {
  min-width: 0;
  padding: 1.15rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.docs-card p {
  margin: 0.65rem 0 0;
  color: var(--muted);
}

.card-title-link {
  color: var(--text);
  text-decoration-color: rgba(27, 111, 122, 0.45);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.18em;
}

.card-title-link:hover,
.card-title-link:focus-visible {
  color: var(--accent-dark);
  text-decoration-color: currentColor;
}

.compact-card p {
  margin: 0.65rem 0 0;
  color: var(--muted);
}

.docs-card-links {
  flex-wrap: wrap;
  margin-top: 1rem;
}

.compact-card .docs-card-links {
  flex-wrap: wrap;
  margin-top: 1rem;
}

.docs-card-links a {
  font-weight: 700;
  text-decoration: none;
}

.intro-grid article {
  padding: 1.25rem;
}

.intro-grid p,
.schema-detail p {
  color: var(--muted);
}

.tier-grid article,
.evidence-policy-grid article,
.manifest-family {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 1.25rem;
}

.tier-grid p,
.evidence-policy-grid p,
.manifest-family p,
.manifest-item p {
  color: var(--muted);
}

.provenance-panel {
  display: grid;
  grid-template-columns: minmax(220px, 320px) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 1.25rem;
}

.provenance-list,
.manifest-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.provenance-list li,
.manifest-list li {
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fbfcfd;
}

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

.checked-results-grid {
  grid-template-columns: 1fr;
}

.manifest-family {
  min-width: 0;
}

.manifest-heading {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: start;
}

.manifest-items {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}

.manifest-item {
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.result-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.result-card-copy > p {
  margin-bottom: 0;
}

.evidence-details {
  margin-top: 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border);
}

.evidence-details summary,
.compact-reference summary {
  color: var(--accent-dark);
  cursor: pointer;
  font-weight: 700;
}

.evidence-details[open] summary,
.compact-reference details[open] > summary {
  margin-bottom: 0.9rem;
}

.quick-command {
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.result-table {
  margin-top: 1rem;
}

.compact-reference {
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.compact-reference p {
  color: var(--muted);
}

.compact-reference .schema-shell,
.compact-reference .table-wrap {
  margin-top: 1rem;
}

.result-card.has-plot {
  grid-template-columns: minmax(280px, 1fr) minmax(320px, 0.9fr);
}

.decoder-evidence .result-card.has-plot {
  grid-template-columns: minmax(0, 1fr);
}

.decoder-evidence .result-card-plot,
.decoder-evidence .result-plot img {
  width: 100%;
}

.result-card-copy,
.result-card-plot {
  min-width: 0;
}

.result-card h4 {
  margin: 1rem 0 0.45rem;
}

.result-card p,
.result-note-list {
  color: var(--muted);
}

.provenance-card-list,
.provenance-value-list,
.provenance-hash-list {
  display: grid;
  gap: 0.4rem;
  margin: 0;
  padding-left: 1.1rem;
}

.provenance-row,
.provenance-value-list li,
.provenance-hash-list li {
  min-width: 0;
}

.provenance-row-heading {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
}

.provenance-muted {
  color: var(--muted);
}

.provenance-hash,
.provenance-hash-list code,
.provenance-value-list code {
  overflow-wrap: anywhere;
}

.result-link-list,
.result-note-list {
  display: grid;
  gap: 0.45rem;
  margin: 0;
  padding-left: 1.1rem;
}

.result-link-list a {
  font-weight: 700;
  text-decoration: none;
}

.result-commands {
  border-radius: 8px;
}

.result-plot {
  margin: 0;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fbfcfd;
  padding: 0.8rem;
}

.result-plot img {
  display: block;
  width: 100%;
  min-width: 360px;
  height: auto;
}

section {
  margin-top: 3.5rem;
}

.section-heading {
  margin-bottom: 1rem;
}

.qp101-kicker {
  flex-wrap: wrap;
  align-items: center;
}

.panel {
  padding: 0;
}

.schema-shell {
  display: grid;
  grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
  gap: 1rem;
}

.schema-nav,
.schema-detail {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fbfcfd;
}

.schema-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 0.9rem;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

.status {
  color: var(--accent-dark);
}

.schema-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  max-height: 34rem;
  overflow: auto;
  padding: 0.65rem;
}

.schema-nav button {
  width: 100%;
  min-height: 2.5rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font: inherit;
  text-align: left;
}

.schema-nav button:hover,
.schema-nav button.active {
  border-color: var(--border);
  background: var(--surface-muted);
}

.schema-nav .group-label {
  padding: 0.8rem 0.65rem 0.25rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.schema-detail {
  padding: 1rem;
}

.schema-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.75rem 0 1rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 1.7rem;
  padding: 0.22rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.82rem;
}

.field-list {
  display: grid;
  gap: 0.55rem;
  margin: 1rem 0 0;
}

.field {
  padding: 0.7rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
}

.field-name {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  font-weight: 700;
}

.field-description {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.gallery-card {
  display: grid;
  grid-template-columns: minmax(240px, 320px) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 1rem;
}

.gallery-copy p {
  margin: 0.65rem 0 0;
  color: var(--muted);
}

.gallery-copy > a {
  display: inline-block;
  margin-top: 0.75rem;
  font-weight: 700;
  text-decoration: none;
}

.gallery-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.gallery-links a {
  font-weight: 700;
  text-decoration: none;
}

.gallery-preview {
  min-width: 0;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fbfcfd;
  padding: 0.9rem;
}

.gallery-preview img {
  display: block;
  width: 100%;
  height: auto;
  min-width: 580px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 0.8rem 0.9rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

th {
  background: #edf2f4;
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.example-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.example-grid article {
  min-width: 0;
  overflow: hidden;
}

.example-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem;
  border-bottom: 1px solid var(--border);
}

.example-heading a {
  font-weight: 700;
  text-decoration: none;
}

pre {
  margin: 0;
  max-height: 28rem;
  overflow: auto;
  background: var(--code-bg);
  color: var(--code-text);
}

pre code {
  display: block;
  min-width: 100%;
  padding: 1rem;
  white-space: pre;
}

.error {
  border-color: #b23b3b;
  background: #fff7f5;
  color: #6f1d1d;
}

.rsmp-hero {
  max-width: 1120px;
}

.rsmp-hero-grid,
.rsmp-principles,
.rsmp-command-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.rsmp-metric,
.rsmp-case,
.rsmp-caveat {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 1.25rem;
}

.rsmp-metric.primary {
  border-color: rgba(27, 111, 122, 0.42);
}

.rsmp-metric span,
.rsmp-metric small,
.rsmp-case small {
  display: block;
  color: var(--muted);
}

.rsmp-metric strong {
  display: block;
  margin: 0.35rem 0 0.1rem;
  color: var(--accent-dark);
  font-size: 4.4rem;
  line-height: 0.95;
}

.rsmp-case p {
  margin: 0.7rem 0 0.2rem;
  font-weight: 700;
}

.badge.measured {
  border-color: rgba(27, 111, 122, 0.28);
  background: #edf7f6;
  color: var(--accent-dark);
}

.badge.caveat {
  border-color: #efc099;
  background: #fff6ee;
  color: #7a3b0f;
}

.rsmp-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.rsmp-pipeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.75rem;
}

.rsmp-pipeline span {
  min-height: 7.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 1rem;
  color: var(--text);
  font-weight: 700;
}

.rsmp-command-grid {
  grid-template-columns: 1fr;
}

.rsmp-command-grid .compact-card {
  overflow: hidden;
}

.rsmp-command-grid h3 {
  margin-bottom: 0.85rem;
}

.rsmp-bars {
  display: grid;
  gap: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 1.25rem;
}

.rsmp-bar-row {
  display: grid;
  grid-template-columns: minmax(220px, 320px) minmax(0, 1fr);
  gap: 1rem;
  align-items: center;
}

.rsmp-bar-row strong,
.rsmp-bar-row span {
  display: block;
}

.rsmp-bar-row span {
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.9rem;
}

.rsmp-bar-row meter {
  width: 100%;
  height: 1.4rem;
}

.rsmp-caveat p {
  margin: 0.75rem 0 0;
  color: var(--muted);
}

.rsmp-share {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.rsmp-share img {
  display: block;
  width: 100%;
  height: auto;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  max-width: 1120px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
}

@media (max-width: 820px) {
  .hero {
    padding-top: 3.5rem;
  }

  h1 {
    font-size: 3.75rem;
  }

  h2 {
    font-size: 2rem;
  }

  .top-nav,
  .nav-links {
    align-items: flex-start;
    justify-content: flex-start;
  }

  .docs-grid,
  .workspace-grid,
  .walkthrough-grid,
  .evidence-grid,
  .intro-grid,
  .example-grid,
  .workflow-grid,
  .rsmp-hero-grid,
  .rsmp-principles,
  .rsmp-pipeline,
  .rsmp-bar-row,
  .tier-grid,
  .evidence-policy-grid,
  .benchmark-manifest,
  .checked-results-grid,
  .provenance-panel,
  .schema-shell {
    grid-template-columns: 1fr;
  }

  .gallery-card,
  .result-card,
  .result-card.has-plot {
    grid-template-columns: 1fr;
  }

  .schema-nav-list {
    max-height: 18rem;
  }
}

@media (max-width: 540px) {
  .top-nav,
  .nav-links,
  .actions,
  .site-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .panel {
    padding: 0;
  }
}