:root {
  --bg: #f7faf9;
  --surface: #ffffff;
  --ink: #0f1f2c;
  --ink-2: #44546b;
  --ink-3: #8a98ab;
  --accent: #0f766e;
  --accent-soft: #e6f4f3;
  --accent-2: #134e4a;
  --accent-3: #0d574f;
  --border: #d9e1e6;
  --status-draft: #b45309;
  --status-draft-bg: #fef3c7;
  --status-ready: #047857;
  --status-ready-bg: #d1fae5;
  --status-trim: #b45309;
  --status-trim-bg: #fde68a;
  --highlight: #fff8e6;
  --highlight-border: #fcd34d;
  --radius: 10px;
  --radius-lg: 14px;
  --max: 1080px;
  --shadow-sm: 0 1px 2px rgba(15,30,40,0.06);
  --shadow-md: 0 4px 14px rgba(15,30,40,0.08);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 64px; }
body { margin: 0; font-family: var(--sans); color: var(--ink); background: var(--bg); line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code {
  font-family: var(--mono); background: var(--accent-soft); color: var(--accent-2);
  padding: 0.1em 0.35em; border-radius: 4px; font-size: 0.92em;
}

/* ---- Skip-link for keyboard users ---- */
.skip-link {
  position: absolute; top: -40px; left: 0;
  background: var(--accent); color: #fff; padding: 0.5rem 1rem;
  z-index: 200; transition: top 0.2s;
}
.skip-link:focus { top: 0; text-decoration: none; }

/* ---- Sticky top nav ---- */
.topnav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.topnav-inner {
  max-width: var(--max); margin: 0 auto;
  padding: 0.7rem 1.5rem;
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; flex-wrap: wrap;
}
.topnav-brand {
  display: inline-flex; align-items: center; gap: 0.55rem;
  color: var(--ink); font-size: 0.92rem;
}
.topnav-brand:hover { text-decoration: none; }
.topnav-monogram {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  background: var(--accent); color: #fff;
  font-weight: 800; font-size: 0.95rem;
  border-radius: 6px; box-shadow: var(--shadow-sm);
}
.topnav-links {
  list-style: none; padding: 0; margin: 0;
  display: flex; gap: 1.2rem; flex-wrap: wrap;
  font-size: 0.9rem;
}
.topnav-links a {
  color: var(--ink-2); font-weight: 500;
  padding: 0.2rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.12s, border-color 0.12s;
}
.topnav-links a:hover {
  color: var(--accent); border-color: var(--accent);
  text-decoration: none;
}

/* ---- Hero ---- */
.hero {
  background: linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
  padding: 2.4rem 1.5rem 3rem;
}
.hero-inner { max-width: var(--max); margin: 0 auto; }
.top {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 1.8rem; font-size: 0.88rem; gap: 1rem; flex-wrap: wrap;
}
.brand { color: var(--ink-2); font-weight: 600; letter-spacing: 0.3px; }
.brand a { color: inherit; }
.status {
  background: var(--status-draft-bg); color: var(--status-draft);
  padding: 0.2rem 0.7rem; border-radius: 999px; font-weight: 600; font-size: 0.75rem;
  text-transform: uppercase; letter-spacing: 0.5px;
}
h1 { font-size: clamp(1.85rem, 4vw, 2.7rem); line-height: 1.12; margin: 0 0 1.1rem; font-weight: 700; letter-spacing: -0.01em; }
h1 .subtitle {
  display: block; font-size: 0.6em; font-weight: 500;
  color: var(--ink-2); margin-top: 0.55rem; line-height: 1.3;
  letter-spacing: 0;
}
.byline { color: var(--ink-2); margin: 0 0 1.5rem; font-size: 0.98rem; }
.byline strong { color: var(--ink); }
.byline-label {
  display: block; font-size: 0.78rem; font-weight: 600;
  color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.4px;
  margin-bottom: 0.3rem;
}
.authorship { margin: 0 0 1.5rem; }
.architect {
  margin: 0 0 0.95rem; padding: 0.85rem 1.1rem;
  background: linear-gradient(180deg, var(--accent-soft) 0%, #ffffff 100%);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.architect-label {
  display: block; font-size: 0.78rem; font-weight: 700;
  color: var(--accent-2); text-transform: uppercase; letter-spacing: 0.5px;
  margin-bottom: 0.25rem;
}
.architect strong {
  display: block; font-size: 1.15rem; color: var(--ink); font-weight: 700;
  margin-bottom: 0.2rem;
}
.architect-note {
  display: block; font-size: 0.86rem; color: var(--ink-2); font-style: italic;
}
.lead { font-size: 1.05rem; color: var(--ink-2); max-width: 800px; margin: 0 0 1.8rem; }
.lead em { color: var(--ink); font-style: italic; }

.pills { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0 0 1.5rem; }
.pill {
  display: inline-block; padding: 0.22rem 0.7rem; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent-2);
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.2px;
}

.cta-row { display: flex; flex-wrap: wrap; gap: 0.7rem; }

/* ---- Platform flow strip ---- */
.platform-flow {
  margin-top: 2rem; padding: 1.4rem 1.5rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  display: grid; gap: 1rem;
  grid-template-columns: minmax(220px, 2fr) auto minmax(220px, 1.4fr) auto minmax(220px, 1.4fr);
  align-items: stretch;
}
.flow-col { display: flex; flex-direction: column; gap: 0.5rem; min-width: 0; }
.flow-label {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.5px;
  color: var(--accent); text-transform: uppercase;
}
.flow-inputs ul, .flow-stages ol {
  margin: 0; padding: 0; list-style: none;
  display: flex; flex-direction: column; gap: 0.35rem;
}
.flow-inputs li {
  font-size: 0.84rem; color: var(--ink-2); line-height: 1.4;
}
.flow-stages li {
  font-size: 0.92rem; color: var(--ink); line-height: 1.4;
  display: flex; align-items: center; gap: 0.5rem;
}
.flow-stages li strong { color: var(--ink); }
.flow-key {
  display: inline-block; font-family: var(--mono); font-size: 0.74rem;
  font-weight: 700; color: var(--accent-2); background: var(--accent-soft);
  padding: 0.08rem 0.4rem; border-radius: 4px; margin-right: 0.3rem;
}
.flow-aim-tag {
  display: inline-block; font-size: 0.7rem; font-weight: 700;
  color: #fff; background: var(--accent); padding: 0.12rem 0.5rem;
  border-radius: 4px; letter-spacing: 0.4px;
}
.flow-arrow {
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; color: var(--accent); font-weight: 700;
  padding: 0 0.2rem;
}
.flow-arrow-loop { color: var(--accent-2); transform: rotate(0deg); }
.flow-loop p {
  margin: 0; font-size: 0.86rem; color: var(--ink-2); line-height: 1.45;
}
.flow-loop p strong { color: var(--ink); }

@media (max-width: 920px) {
  .platform-flow {
    grid-template-columns: 1fr;
    gap: 0.7rem;
  }
  .flow-arrow { transform: rotate(90deg); padding: 0.2rem 0; }
}

.cta {
  display: inline-block; padding: 0.7rem 1.2rem; border-radius: var(--radius);
  font-weight: 600; font-size: 0.95rem; transition: transform 0.08s, box-shadow 0.12s, background 0.12s;
}
.cta:hover { text-decoration: none; transform: translateY(-1px); }
.cta.primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 1px 2px rgba(15,118,110,0.18);
}
.cta.primary:hover { background: var(--accent-2); box-shadow: var(--shadow-md); }
.cta.secondary { background: var(--surface); color: var(--ink); border: 1px solid var(--border); }
.cta.secondary:hover { border-color: var(--accent); color: var(--accent-2); }
.cta.tertiary { background: transparent; color: var(--ink-2); border: 1px solid var(--border); }
.cta.tertiary:hover { color: var(--ink); border-color: var(--ink-3); }

/* ---- Main / sections ---- */
main { max-width: var(--max); margin: 0 auto; padding: 3rem 1.5rem 4rem; }
section { margin-bottom: 3.4rem; scroll-margin-top: 80px; }
section > h2 { font-size: 1.55rem; margin: 0 0 0.8rem; font-weight: 700; letter-spacing: -0.005em; }
section > h2 + p { color: var(--ink-2); max-width: 760px; margin-top: 0; }

/* ---- TL;DR pull-quote ---- */
.tldr {
  background: var(--highlight);
  border-left: 4px solid var(--highlight-border);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.4rem 1.6rem;
  margin-bottom: 3rem;
}
.tldr blockquote { margin: 0; padding: 0; color: var(--ink); }
.tldr blockquote p { margin: 0 0 0.7rem; font-size: 1.08rem; line-height: 1.55; }
.tldr blockquote p:last-of-type { margin-bottom: 0.8rem; }
.tldr footer { color: var(--ink-3); font-size: 0.85rem; }

/* ---- Read-first 3-card recommendation widget ---- */
.readfirst-grid {
  display: grid; gap: 1rem; margin: 1.4rem 0 0;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.readfirst-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.2rem 1.3rem;
  color: var(--ink); display: flex; flex-direction: column; gap: 0.55rem;
  box-shadow: var(--shadow-sm); transition: transform 0.1s, box-shadow 0.12s, border-color 0.12s;
}
.readfirst-card:hover {
  text-decoration: none; transform: translateY(-2px);
  box-shadow: var(--shadow-md); border-color: var(--accent);
}
.readfirst-card.readfirst-recommended {
  border-color: var(--accent);
  background: linear-gradient(180deg, #ffffff 0%, var(--accent-soft) 100%);
}
.readfirst-time {
  font-size: 0.78rem; color: var(--ink-3); font-weight: 600;
  letter-spacing: 0.3px; text-transform: uppercase;
}
.readfirst-card h3 {
  margin: 0; font-size: 1.1rem; font-weight: 700; color: var(--ink);
}
.readfirst-card p {
  margin: 0; font-size: 0.92rem; color: var(--ink-2); flex: 1;
}
.readfirst-cta {
  align-self: flex-start;
  background: var(--accent); color: #fff;
  padding: 0.45rem 0.9rem; border-radius: var(--radius);
  font-size: 0.88rem; font-weight: 600; margin-top: 0.4rem;
  box-shadow: 0 1px 2px rgba(15,118,110,0.2);
}
.readfirst-card:hover .readfirst-cta { background: var(--accent-2); }

/* ---- Axis grid (3 platform aims) ---- */
.axis-grid {
  display: grid; gap: 1rem; margin: 1.4rem 0 1rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.axis-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 1.3rem 1.4rem; box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; gap: 0.5rem;
}
.axis-tag {
  display: inline-block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.5px;
  color: var(--accent); background: var(--accent-soft); padding: 0.2rem 0.6rem;
  border-radius: 4px; text-transform: uppercase;
  align-self: flex-start;
}
.axis-tag-integrative { color: #fff; background: var(--accent); }
.axis-card h3 { margin: 0; font-size: 1.1rem; font-weight: 700; }
.axis-card p { margin: 0; font-size: 0.95rem; color: var(--ink-2); }
.axis-card p strong { color: var(--ink); font-weight: 600; }
.axis-card p.axis-target {
  font-size: 0.88rem; color: var(--ink-2);
  border-top: 1px dashed var(--border);
  padding-top: 0.5rem; margin-top: 0.3rem;
}
.axis-card p.axis-target strong { color: var(--ink); }
.axis-integrative {
  margin-top: 0.8rem; padding: 1.1rem 1.3rem; background: var(--accent-soft);
  border: 1px solid var(--accent); border-radius: var(--radius-lg);
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
}
.axis-integrative p { margin: 0; font-size: 0.95rem; color: var(--ink); flex: 1; min-width: 240px; }
.axis-integrative .axis-tag { margin-bottom: 0; }

/* ---- Mechanism cards (rich download cards) ---- */
.mech-group-title {
  margin: 1.8rem 0 0.4rem;
  font-size: 0.84rem; font-weight: 700; letter-spacing: 0.6px;
  text-transform: uppercase; color: var(--ink-3);
  display: flex; align-items: center; gap: 0.7rem; flex-wrap: wrap;
}
.mech-group-tag {
  display: inline-block; font-size: 0.7rem; font-weight: 600; padding: 0.14rem 0.6rem;
  border-radius: 999px; letter-spacing: 0.3px; text-transform: none;
}
.tag-trim   { background: var(--status-trim-bg); color: var(--status-trim); }
.tag-draft  { background: var(--status-draft-bg); color: var(--status-draft); }
.tag-ready  { background: var(--status-ready-bg); color: var(--status-ready); }
.mech-group-desc {
  font-size: 0.92rem; color: var(--ink-2); margin: 0 0 1rem;
  max-width: 760px;
}

.mech-grid {
  display: grid; gap: 1rem; margin: 0 0 1.4rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.mech-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.2rem 1.3rem;
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; gap: 0.65rem;
  position: relative;
}
.mech-card.mech-recommended {
  border-color: var(--accent);
  background: linear-gradient(180deg, #ffffff 0%, var(--accent-soft) 100%);
}
.mech-badge {
  display: inline-block; font-size: 0.7rem; font-weight: 700;
  background: var(--accent); color: #fff;
  padding: 0.16rem 0.6rem; border-radius: 999px;
  text-transform: uppercase; letter-spacing: 0.3px;
  align-self: flex-start;
}
.mech-card header { display: flex; flex-direction: column; gap: 0.35rem; }
.mech-card h4 { margin: 0; font-size: 1.05rem; font-weight: 700; color: var(--ink); }
.mech-stats {
  margin: 0; font-size: 0.82rem; color: var(--ink-3);
  font-family: var(--mono); letter-spacing: -0.01em;
}
.mech-desc { margin: 0; font-size: 0.92rem; color: var(--ink-2); }
.mech-bestfor {
  margin: 0; font-size: 0.85rem; color: var(--ink-2);
  border-top: 1px dashed var(--border); padding-top: 0.55rem;
}
.mech-bestfor strong { color: var(--ink); }
.mech-download {
  align-self: flex-start;
  background: var(--accent); color: #fff;
  padding: 0.55rem 1rem; border-radius: var(--radius);
  font-size: 0.92rem; font-weight: 600;
  box-shadow: 0 1px 2px rgba(15,118,110,0.18);
  transition: background 0.12s, transform 0.08s, box-shadow 0.12s;
}
.mech-download:hover {
  background: var(--accent-2); text-decoration: none;
  transform: translateY(-1px); box-shadow: var(--shadow-md);
}

/* ---- Phase grid (commercialization roadmap) ---- */
.phase-grid {
  display: grid; gap: 1rem; margin: 1.2rem 0 0;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.phase-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 1.2rem 1.3rem; box-shadow: var(--shadow-sm);
}
.phase-tag {
  display: inline-block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.5px;
  color: var(--accent-2); background: var(--accent-soft); padding: 0.18rem 0.6rem;
  border-radius: 4px; text-transform: uppercase; margin-bottom: 0.6rem;
}
.phase-card h3 { margin: 0 0 0.5rem; font-size: 1rem; font-weight: 700; }
.phase-card p { margin: 0; font-size: 0.92rem; color: var(--ink-2); }

/* ---- Dashboard figures ---- */
.dashboard-figure {
  margin: 1.4rem 0 1.6rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.dashboard-figure img {
  display: block; width: 100%; height: auto;
}
.dashboard-figure figcaption {
  padding: 0.85rem 1.2rem 1rem;
  font-size: 0.88rem; color: var(--ink-2);
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
  line-height: 1.5;
}
.dashboard-figure figcaption strong { color: var(--ink); }

/* ---- Tables grid + table page ---- */
.tables-grid {
  display: grid; gap: 1rem; margin: 1.2rem 0 0;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.table-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.1rem 1.3rem;
  color: var(--ink); display: flex; flex-direction: column; gap: 0.5rem;
  box-shadow: var(--shadow-sm); transition: transform 0.1s, box-shadow 0.12s, border-color 0.12s;
}
.table-card:hover {
  text-decoration: none; transform: translateY(-2px);
  border-color: var(--accent); box-shadow: var(--shadow-md);
}
.table-num {
  display: inline-block; font-size: 0.72rem; font-weight: 700;
  color: var(--accent); text-transform: uppercase; letter-spacing: 0.5px;
  align-self: flex-start;
}
.table-card h4 { margin: 0; font-size: 1rem; font-weight: 700; color: var(--ink); }
.table-card p { margin: 0; font-size: 0.88rem; color: var(--ink-2); flex: 1; }

.dashboard-table { margin: 2.2rem 0; }
.dashboard-table h3 {
  font-size: 1.15rem; color: var(--accent-2); margin: 0 0 0.6rem;
}
.dashboard-table .table-wrap {
  overflow-x: auto; border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-sm);
}
.dashboard-table table {
  width: 100%; border-collapse: collapse; background: var(--surface);
  font-size: 0.92rem;
}
.dashboard-table th, .dashboard-table td {
  padding: 0.55rem 0.85rem; text-align: left;
  border-bottom: 1px solid var(--border); color: var(--ink-2);
}
.dashboard-table thead th {
  background: var(--accent-soft); color: var(--accent-2);
  font-weight: 700; font-size: 0.85rem;
  text-transform: uppercase; letter-spacing: 0.3px;
  border-bottom: 2px solid var(--accent);
}
.dashboard-table tbody tr:last-child td { border-bottom: none; }
.dashboard-table tbody tr:hover td { background: var(--accent-soft); }

/* ---- Status grid (where we are) ---- */
.status-grid {
  display: grid; gap: 0.7rem; margin: 1.2rem 0 0.8rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.status-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 0.95rem 1.1rem 0.95rem 1.6rem;
  position: relative; box-shadow: var(--shadow-sm);
}
.status-light {
  position: absolute; left: 0.7rem; top: 1.05rem;
  width: 0.6rem; height: 0.6rem; border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 0 2px var(--surface);
}
.status-good       .status-light { background: #10b981; }
.status-warn       .status-light { background: #f59e0b; }
.status-blocked    .status-light { background: #ef4444; }
.status-good-light    { background: #10b981; position: static; box-shadow: none; }
.status-warn-light    { background: #f59e0b; position: static; box-shadow: none; }
.status-blocked-light { background: #ef4444; position: static; box-shadow: none; }
.status-card h4 { margin: 0 0 0.35rem; font-size: 0.97rem; font-weight: 700; color: var(--ink); }
.status-card p { margin: 0; font-size: 0.86rem; color: var(--ink-2); line-height: 1.45; }
.status-legend {
  display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1rem;
  font-size: 0.84rem; color: var(--ink-3);
}
.legend-item { display: inline-flex; align-items: center; gap: 0.4rem; }

/* ---- Steps (PI asks) ---- */
ol.steps { padding-left: 0; margin: 1rem 0 0; counter-reset: step-counter; list-style: none; }
ol.steps li {
  counter-increment: step-counter;
  position: relative;
  padding: 0.85rem 0 1rem 2.6rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.97rem; color: var(--ink-2);
  line-height: 1.6;
}
ol.steps li:last-child { border-bottom: none; }
ol.steps li::before {
  content: counter(step-counter);
  position: absolute; left: 0; top: 0.8rem;
  width: 1.85rem; height: 1.85rem; line-height: 1.85rem;
  text-align: center; font-weight: 700; font-size: 0.92rem;
  color: var(--accent); background: var(--accent-soft); border-radius: 999px;
}
ol.steps li strong { color: var(--ink); }

/* ---- Source-document cards ---- */
.sources-grid {
  display: grid; gap: 1rem; margin: 1.2rem 0 1rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.source-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.2rem 1.3rem;
  color: var(--ink); display: flex; flex-direction: column; gap: 0.55rem;
  box-shadow: var(--shadow-sm); transition: transform 0.1s, box-shadow 0.12s, border-color 0.12s;
}
.source-card:hover {
  text-decoration: none; transform: translateY(-2px);
  border-color: var(--accent); box-shadow: var(--shadow-md);
}
.source-author {
  font-size: 0.78rem; font-weight: 600; color: var(--accent);
  text-transform: uppercase; letter-spacing: 0.4px;
}
.source-card h4 { margin: 0; font-size: 1.05rem; font-weight: 700; color: var(--ink); }
.source-card p { margin: 0; font-size: 0.93rem; color: var(--ink-2); flex: 1; }
.source-meta {
  font-size: 0.82rem; color: var(--ink-3);
  border-top: 1px dashed var(--border); padding-top: 0.55rem;
  font-family: var(--mono);
}

/* ---- Inventory stat grid ---- */
.stat-grid {
  display: grid; gap: 0.65rem; margin: 1rem 0;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}
.stat {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem 1.2rem; text-align: center;
  display: flex; flex-direction: column; gap: 0.25rem;
  box-shadow: var(--shadow-sm);
}
.stat-num {
  font-size: 1.85rem; font-weight: 800; color: var(--accent); line-height: 1;
}
.stat-label {
  font-size: 0.8rem; color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.4px;
}
section .meta {
  margin-top: 0.9rem; font-size: 0.86rem; color: var(--ink-3);
}

/* ---- Recent activity (auto-populated by pages.yml at deploy time) ---- */
.activity { list-style: none; padding: 0; margin: 0.6rem 0 0; }
.activity li {
  padding: 0.55rem 0; border-bottom: 1px solid var(--border);
  font-size: 0.92rem; color: var(--ink-2);
}
.activity li:last-child { border-bottom: none; }
.sha {
  font-family: var(--mono); font-size: 0.8rem; background: var(--accent-soft);
  color: var(--accent-2); padding: 0.1rem 0.45rem; border-radius: 4px; margin-right: 0.6rem;
}
.more { margin-top: 0.7rem; font-size: 0.9rem; }

/* ---- Footer ---- */
footer {
  border-top: 1px solid var(--border); padding: 2rem 1.5rem; text-align: center;
  color: var(--ink-3); font-size: 0.88rem;
}
footer a { color: var(--ink-2); }
footer .fine { font-size: 0.78rem; color: var(--ink-3); margin: 0.4rem 0 0; }

/* ---- Responsive ---- */
@media (max-width: 760px) {
  .topnav-links { gap: 0.8rem; font-size: 0.84rem; }
  .top { flex-direction: column; gap: 0.6rem; align-items: flex-start; }
  main { padding: 2rem 1rem 3rem; }
  section { margin-bottom: 2.6rem; }
  .axis-grid, .mech-grid, .readfirst-grid, .sources-grid, .phase-grid {
    grid-template-columns: 1fr;
  }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  h1 { font-size: 1.8rem; }
}

@media (max-width: 480px) {
  .topnav-links { display: none; }
  .topnav-inner { justify-content: center; }
}

/* ---- Print ---- */
@media print {
  body { background: #fff; }
  .topnav, .skip-link, .cta-row, footer .fine { display: none; }
  .hero { padding: 1rem 0 1.5rem; border-bottom: 1px solid #000; }
  .axis-card, .mech-card, .stat, .phase-card, .source-card, .readfirst-card { break-inside: avoid; box-shadow: none; }
  a { color: var(--ink); text-decoration: underline; }
  .mech-download, .readfirst-cta { background: transparent; color: var(--ink); border: 1px solid var(--ink); box-shadow: none; }
}