/* MerkleTrust v2 — main stylesheet
   Aesthetic locked from cards_v2/preview/40a_preview.html (S152).
   Cluster accent shifts via body[data-cluster].
*/

:root {
  /* Core palette */
  --bg: #fafaf7;
  --surface: #ffffff;
  --ink: #1a1a1a;
  --slate: #4a5568;
  --slate-soft: #6b7280;
  --hairline: #e5e3df;
  --hairline-strong: #c8c4ba;

  /* Cluster accents (default = copper) */
  --accent: #b87333;
  --accent-soft: rgba(184, 115, 51, 0.08);
  --accent-strong: #a36028;

  /* Semantic */
  --merkle-green: #2d6a4f;
  --warn: #c97f1f;
  --terminal-bg: #1c2128;
  --terminal-fg: #98c379;
}

/* Per-cluster accent overrides */
body[data-cluster="legal"]     { --accent: #7c2d40; --accent-soft: rgba(124, 45, 64, 0.08); --accent-strong: #5e1f30; }
body[data-cluster="gov"]       { --accent: #4a6741; --accent-soft: rgba(74, 103, 65, 0.08); --accent-strong: #364d31; }
body[data-cluster="it"]        { --accent: #3a5985; --accent-soft: rgba(58, 89, 133, 0.08); --accent-strong: #2a4365; }
body[data-cluster="research"]  { --accent: #2d6a4f; --accent-soft: rgba(45, 106, 79, 0.08); --accent-strong: #1f4d39; }
body[data-cluster="recovery"]  { --accent: #7c2d40; --accent-soft: rgba(124, 45, 64, 0.08); --accent-strong: #5e1f30; }

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: Georgia, "Times New Roman", serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color 0.15s; }
a:hover { border-bottom-color: var(--accent); }

code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: var(--accent-soft);
  padding: 1px 5px;
  border-radius: 2px;
}
pre {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12px;
  background: var(--terminal-bg);
  color: var(--terminal-fg);
  padding: 14px 16px;
  border-radius: 4px;
  border: 1px solid #2d3748;
  overflow-x: auto;
  margin: 16px 0;
  line-height: 1.6;
}
pre code { background: transparent; padding: 0; color: inherit; }
blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 18px;
  margin: 16px 0;
  color: var(--slate);
  font-style: italic;
}
strong { font-weight: 600; }

/* Layout containers */
.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 32px 80px;
}
.frame {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Top nav (site-wide header) */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--hairline);
  padding: 14px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header .brand {
  font-family: Georgia, serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: none;
}
.site-header .brand:hover { color: var(--accent); }
.site-header nav { display: flex; gap: 28px; align-items: center; }
.site-header nav a {
  color: var(--slate);
  border-bottom: none;
  padding: 4px 0;
  position: relative;
}
.site-header nav a:hover { color: var(--ink); }
.site-header nav a.active { color: var(--ink); }
.site-header nav a.active::after {
  content: "";
  position: absolute;
  bottom: -16px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
}

/* Posture chip (sticky framing) */
.posture-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 999px;
  font-family: ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.02em;
  cursor: pointer;
}
.posture-chip:hover { background: var(--accent); color: white; }
.chip-dot { width: 6px; height: 6px; background: currentColor; border-radius: 50%; }

/* Hero (landing) */
.hero {
  text-align: center;
  padding: 64px 16px 48px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 48px;
}
.hero h1 {
  font-size: 44px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  color: var(--ink);
}
.hero .tagline {
  font-size: 20px;
  color: var(--slate);
  font-style: italic;
  margin-bottom: 24px;
}
.hero .lede {
  max-width: 640px;
  margin: 0 auto;
  font-size: 17px;
  color: var(--ink);
  line-height: 1.6;
}

/* Cluster grid (cluster picker) */
.cluster-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
  margin-bottom: 48px;
}
.cluster-card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  padding: 22px 24px;
  text-decoration: none;
  border-bottom: 1px solid var(--hairline);
  transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
  display: flex;
  flex-direction: column;
  min-height: 160px;
  cursor: pointer;
}
.cluster-card:hover {
  border-color: var(--accent);
  border-bottom-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.05);
}
.cluster-card .cluster-label {
  font-family: ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.cluster-card h3 {
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--ink);
  line-height: 1.3;
}
.cluster-card .cluster-blurb {
  color: var(--slate);
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 10px;
  flex: 1;
}
.cluster-card .cluster-count {
  font-family: ui-monospace, monospace;
  font-size: 11px;
  color: var(--slate);
}

/* Section */
.section {
  margin: 48px 0;
}
.section h2 {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.section h3 {
  font-size: 19px;
  font-weight: 600;
  margin: 24px 0 8px;
  color: var(--ink);
}
.section p {
  margin-bottom: 14px;
  font-size: 16px;
  max-width: 700px;
}

/* Expandable "What is this?" */
details.about-panel {
  border: 1px solid var(--hairline);
  background: var(--surface);
  border-radius: 6px;
  padding: 0;
  margin: 32px 0;
}
details.about-panel summary {
  padding: 16px 22px;
  cursor: pointer;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  color: var(--slate);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
details.about-panel summary::-webkit-details-marker { display: none; }
details.about-panel summary:hover { color: var(--ink); }
details.about-panel summary::after { content: "expand"; font-style: italic; color: var(--slate-soft); font-size: 12px; }
details.about-panel[open] summary::after { content: "collapse"; }
details.about-panel .about-body {
  padding: 0 22px 22px;
  border-top: 1px solid var(--hairline);
  font-size: 16px;
  line-height: 1.6;
}
details.about-panel .about-body p { margin-top: 16px; }

/* Sim-list (per-cluster sim cards on walk-index) */
.sim-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 14px;
  margin: 24px 0;
}
.sim-list-item {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  padding: 16px 18px;
  display: block;
  text-decoration: none;
  border-bottom: 1px solid var(--hairline);
  transition: border-color 0.15s, background 0.15s;
}
.sim-list-item:hover {
  border-color: var(--accent);
  border-bottom-color: var(--accent);
  background: var(--accent-soft);
}
.sim-list-item .sim-id {
  font-family: ui-monospace, monospace;
  font-size: 11px;
  color: var(--accent);
  margin-bottom: 4px;
}
.sim-list-item h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
  line-height: 1.3;
}
.sim-list-item .sim-blurb {
  color: var(--slate);
  font-size: 13px;
  line-height: 1.5;
}

/* Per-sim page chrome (extends 40a_preview pattern) */
.sim-page-header {
  border-bottom: 1px solid var(--hairline);
  padding: 24px 0 16px;
  margin-bottom: 24px;
}
.sim-page-header .breadcrumb {
  font-family: ui-monospace, monospace;
  font-size: 11px;
  color: var(--slate);
  margin-bottom: 10px;
}
.sim-page-header .breadcrumb a { color: var(--slate); border-bottom: none; }
.sim-page-header .breadcrumb a:hover { color: var(--accent); }
.sim-page-header h1 {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 8px;
  line-height: 1.25;
}
.sim-page-header .sim-meta {
  font-family: ui-monospace, monospace;
  font-size: 12px;
  color: var(--slate);
  display: flex;
  gap: 16px;
}

/* Top bar (above the walkthrough card) */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border: 1px solid var(--hairline);
  background: var(--surface);
  border-radius: 4px;
  margin-bottom: 18px;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 13px;
}
.step-meta { color: var(--slate); }
.nav-buttons { display: flex; gap: 8px; }
.nav-buttons button {
  padding: 6px 14px;
  background: transparent;
  border: 1px solid var(--hairline-strong);
  color: var(--ink);
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  border-radius: 3px;
  transition: all 0.15s;
}
.nav-buttons button:hover:not(:disabled) {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.nav-buttons button:disabled { opacity: 0.35; cursor: default; }

/* Card chrome (the walkthrough card body) */
.card-chrome {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  overflow: hidden;
}
.address-bar {
  background: #f3f1ec;
  padding: 8px 16px;
  border-bottom: 1px solid var(--hairline);
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: ui-monospace, monospace;
  font-size: 11px;
  color: var(--slate);
}
.traffic-lights { display: flex; gap: 6px; }
.traffic-lights span { width: 11px; height: 11px; border-radius: 50%; background: var(--hairline-strong); }
.url { flex: 1; }
.sandbox-tag { font-size: 10px; color: var(--accent); }

.boundary {
  border: 1px dashed var(--hairline-strong);
  margin: 16px;
  padding: 16px 20px 8px;
  border-radius: 4px;
  position: relative;
}
.boundary::before {
  content: attr(data-label-inside);
  position: absolute;
  top: -9px;
  left: 14px;
  background: var(--surface);
  padding: 0 6px;
  font-family: ui-monospace, monospace;
  font-size: 10px;
  color: var(--slate);
}

.step-title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.prose p { margin-bottom: 14px; font-size: 16px; color: var(--ink); }
.prose strong { font-weight: 600; }
.prose blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 18px;
  margin: 16px 0;
  color: var(--ink);
  font-style: normal;
  background: var(--accent-soft);
  padding: 12px 18px;
  border-radius: 0 4px 4px 0;
}

/* Robot stage (animation slot) */
.robot-stage {
  background: #f5f4ef;
  border: 1px solid var(--hairline);
  margin: 18px 0;
  padding: 14px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
}
.robot-stage svg { max-width: 100%; height: auto; }
.file-tile { transition: transform 0.7s ease-in-out, opacity 0.3s; }
.file-tile.tossed { transform: translateX(220px) translateY(-6px) rotate(20deg); opacity: 0; }

/* Graduation overlay — transitions for elements driven by JS animateAttr().
   The opacity tween is JS-driven (not CSS) but we add a fallback transition
   for browsers that hand SVG attribute updates to the compositor unevenly. */
#speechBubble { transition: opacity 0.4s ease; pointer-events: none; }
#speechBubble text { font-style: italic; }
#mrPubkeyLabel { transition: opacity 0.6s ease; }
#graduationReplay { transition: opacity 0.6s ease, fill 0.2s ease; }
#graduationReplay:hover { fill: #b87333; }
/* Cabinet rects gain a subtle hover highlight once they're clickable */
.robot-stage svg rect[style*="cursor"] { transition: stroke-width 0.15s ease, filter 0.15s ease; }
.robot-stage svg rect[style*="cursor"]:hover { stroke-width: 2.5; filter: drop-shadow(0 0 2px rgba(184,115,51,0.4)); }

/* Terminal ticker */
.ticker {
  background: var(--terminal-bg);
  color: var(--terminal-fg);
  font-family: ui-monospace, monospace;
  font-size: 12px;
  padding: 10px 14px;
  border-radius: 3px;
  overflow: hidden;
  letter-spacing: 0.02em;
  margin: 16px 0;
  border: 1px solid #2d3748;
  line-height: 1.6;
  min-height: 80px;
}
.ticker-line { display: block; }
.ticker-prompt { color: #61afef; }
.ticker-hex { color: #e5c07b; }
.ticker-ok { color: var(--terminal-fg); }
.ticker-cursor::after {
  content: "▌";
  animation: blink 1s steps(2) infinite;
  color: var(--terminal-fg);
}
@keyframes blink { 0%, 50% { opacity: 1; } 50.01%, 100% { opacity: 0; } }

/* Recovery callout */
.recovery-callout {
  margin: 14px 0;
  padding: 12px 16px;
  background: #fff8f1;
  border: 1px solid var(--accent);
  border-left-width: 3px;
  border-radius: 0 3px 3px 0;
  font-size: 14px;
  color: var(--ink);
}
.recovery-callout .label {
  font-family: ui-monospace, monospace;
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

/* Affordance row (.md / narrate / bundle counter) */
.affordance-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding: 14px 16px;
  border-top: 1px solid var(--hairline);
  background: #fbfaf7;
  align-items: center;
}
.affordance {
  padding: 7px 14px;
  background: var(--surface);
  border: 1px solid var(--hairline-strong);
  border-radius: 3px;
  font-family: ui-monospace, monospace;
  font-size: 12px;
  color: var(--ink);
  cursor: pointer;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.affordance:hover { border-color: var(--accent); color: var(--accent); }
.affordance.active { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.bundle-meta { color: var(--slate); font-size: 11px; font-family: ui-monospace, monospace; margin-left: auto; }

/* Attestation strip */
.attestation-strip {
  margin: 0 16px 16px;
  border: 1px solid var(--hairline);
  border-radius: 4px;
  background: #fafdfb;
}
.strip-header {
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-family: ui-monospace, monospace;
  font-size: 12px;
  color: var(--slate);
}
.live-badge { color: var(--merkle-green); font-weight: 600; }
.strip-summary { color: var(--ink); font-style: italic; }
.strip-toggle { font-family: serif; font-style: italic; color: var(--slate); }
.strip-detail {
  padding: 12px 14px;
  border-top: 1px solid var(--hairline);
  font-size: 13px;
  color: var(--slate);
  display: none;
}
.strip-detail.open { display: block; }
.strip-detail .op {
  margin: 8px 0;
  padding: 8px 10px;
  background: var(--surface);
  border-left: 3px solid var(--merkle-green);
  border-radius: 0 3px 3px 0;
}
.strip-detail .op-label {
  font-family: ui-monospace, monospace;
  font-size: 11px;
  color: var(--accent);
  margin-bottom: 2px;
}

/* Comment zone */
.comment-zone {
  margin: 0 16px 16px;
  border: 1px solid var(--hairline);
  border-radius: 4px;
  background: var(--surface);
}
.comment-header {
  padding: 10px 14px;
  border-bottom: 1px solid var(--hairline);
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 12px;
  color: var(--slate);
  background: #f8f7f3;
}
.comment-header strong { color: var(--ink); }
textarea.comment-input {
  width: 100%;
  border: 0;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 14px;
  color: var(--ink);
  resize: vertical;
  min-height: 70px;
  background: transparent;
  outline: none;
}
.comment-actions {
  padding: 10px 14px;
  border-top: 1px solid var(--hairline);
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  background: #fbfaf7;
}
.btn-primary {
  background: var(--accent);
  color: white;
  border: 1px solid var(--accent);
  padding: 8px 18px;
  font-family: ui-monospace, monospace;
  font-size: 12px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); }
.btn-secondary {
  background: transparent;
  color: var(--slate);
  border: 1px solid var(--hairline-strong);
  padding: 8px 14px;
  font-size: 12px;
  border-radius: 3px;
  cursor: pointer;
  font-family: inherit;
}

/* Modal (prompt preview) */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(20,20,20,0.55);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--surface);
  border-radius: 6px;
  width: min(720px, 92vw);
  max-height: 86vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--hairline-strong);
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}
.modal h3 {
  padding: 16px 22px;
  font-size: 17px;
  font-weight: 600;
  border-bottom: 1px solid var(--hairline);
  color: var(--ink);
}
.modal-disclosure {
  padding: 14px 22px;
  font-size: 13px;
  color: var(--slate);
  background: #fbfaf7;
  border-bottom: 1px solid var(--hairline);
}
.modal-disclosure strong { color: var(--ink); }
.modal textarea.prompt-preview {
  flex: 1;
  min-height: 220px;
  border: 0;
  padding: 16px 22px;
  font-family: ui-monospace, monospace;
  font-size: 12px;
  color: var(--ink);
  background: var(--surface);
  resize: none;
  outline: none;
  border-bottom: 1px solid var(--hairline);
}
.modal-actions {
  padding: 14px 22px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  background: #f8f7f3;
}

/* Long-form prose section (below the walkthrough on sim pages) */
.longform {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  padding: 32px 36px;
  margin-top: 32px;
}
.longform h2 {
  font-size: 26px;
  margin-bottom: 14px;
  color: var(--ink);
}
.longform h3 {
  font-size: 19px;
  margin: 24px 0 10px;
  color: var(--ink);
  font-weight: 600;
}
.longform p { font-size: 16px; line-height: 1.65; margin-bottom: 14px; }
.longform ul, .longform ol { margin: 12px 0 16px 28px; }
.longform li { margin-bottom: 6px; line-height: 1.5; }

/* Sim-footer-nav — bottom-of-page prev / hub / next on every sim */
.sim-footer-nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  margin: 48px 0 32px;
  padding: 24px 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  align-items: center;
}
.sim-footer-nav a {
  display: block;
  padding: 14px 18px;
  border: 1px solid transparent;
  border-radius: 4px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s, background 0.15s, transform 0.15s;
  min-height: 64px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.sim-footer-nav a:hover {
  border-color: var(--hairline-strong);
  background: var(--accent-soft);
}
.sim-footer-nav .nav-prev { text-align: left; }
.sim-footer-nav .nav-prev:hover { transform: translateX(-3px); }
.sim-footer-nav .nav-next { text-align: right; }
.sim-footer-nav .nav-next:hover { transform: translateX(3px); }
.sim-footer-nav .nav-hub {
  text-align: center;
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 13px;
  letter-spacing: 0.04em;
  padding: 14px 22px;
}
.sim-footer-nav .nav-hub:hover {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
  transform: none;
}
.sim-footer-nav .nav-dir {
  font-family: ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 4px;
}
.sim-footer-nav .nav-title {
  font-family: Georgia, serif;
  font-size: 15px;
  color: var(--ink);
  line-height: 1.35;
  font-weight: 600;
}
.sim-footer-nav .nav-empty {
  /* Placeholder for first/last edge cases — keeps grid alignment */
  visibility: hidden;
}
.sim-footer-nav .nav-graduation .nav-title {
  color: var(--accent);
}

/* Cross-section CTA strip — secondary nav below the prev/next block */
.sim-footer-cta {
  display: flex;
  gap: 24px;
  justify-content: center;
  align-items: center;
  margin: 0 0 32px;
  padding: 16px 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
  color: var(--slate);
  flex-wrap: wrap;
}
.sim-footer-cta a {
  color: var(--slate);
  border-bottom: 1px dotted var(--hairline-strong);
}
.sim-footer-cta a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.sim-footer-cta .cta-sep { color: var(--hairline-strong); }

/* Mobile stack — single column when narrow */
@media (max-width: 720px) {
  .sim-footer-nav {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .sim-footer-nav .nav-prev,
  .sim-footer-nav .nav-next { text-align: center; }
  .sim-footer-cta { flex-direction: column; gap: 8px; }
  .sim-footer-cta .cta-sep { display: none; }
}

/* Footer */
.site-footer {
  margin-top: 64px;
  padding: 24px 32px;
  border-top: 1px solid var(--hairline);
  background: var(--surface);
  font-family: ui-monospace, monospace;
  font-size: 11px;
  color: var(--slate);
  text-align: center;
}
.site-footer a { color: var(--slate); }
.site-footer a:hover { color: var(--accent); }

/* Utility */
.center-text { text-align: center; }
.subtle { color: var(--slate); }
.mono { font-family: ui-monospace, monospace; }