html { scroll-behavior: smooth; scroll-padding-top: 130px; }
  body { background: var(--surface-page); }
  a { color: var(--pf-violet); }
  a:hover { color: var(--pf-magenta); }
  .arrow-link { transition: gap var(--dur-base) var(--ease-out); }
  .arrow-link:hover { gap: 0.7rem; }
  .bc-link { color:rgba(255,255,255,0.8); text-decoration:none; }
  .bc-link:hover { color:#fff; }
  .lift { transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out); }
  .lift:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
  .art-grid { display:grid; grid-template-columns:repeat(2, minmax(0,1fr)); gap:var(--space-5); align-items:stretch; }
  @media (max-width: 720px){ .art-grid { grid-template-columns:1fr; } }
  .prose h2 { font-family:var(--font-display); font-size:var(--fs-h2); color:var(--text-strong); line-height:1.14; letter-spacing:var(--ls-display); margin:var(--space-8) 0 var(--space-4); text-wrap:balance; }
  .prose h3 { font-family:var(--font-display); font-size:var(--fs-h3); color:var(--text-strong); line-height:1.2; letter-spacing:var(--ls-display); margin:var(--space-6) 0 var(--space-2); }
  .prose p { margin:0 0 var(--space-4); }
  .prose ul { margin:0 0 var(--space-5); padding-left:1.3rem; }
  .prose li { margin:0 0 0.5rem; }
  .prose strong { color:var(--text-strong); font-weight:700; }
  .prose a { text-decoration: underline; text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
  /* PERMA explorer */
  .hero-split { display:grid; gap:clamp(1.5rem,3vw,3rem); align-items:center; }
  @media (max-width: 780px){ .hero-split { grid-template-columns:1fr !important; } }
  .perma-explore { display:grid; grid-template-columns:0.95fr 1.05fr; gap:clamp(1.5rem,3vw,3rem); align-items:center; }
  .perma-stage { position:relative; width:100%; max-width:400px; aspect-ratio:1/1; margin-inline:auto; }
  .perma-ring { display:block; width:100%; height:100%; overflow:visible; }
  .ring-seg { cursor:pointer; -webkit-tap-highlight-color:transparent; transition:transform var(--dur-base) var(--ease-out); }
  .ring-seg .seg-shape { stroke:transparent; stroke-width:0; transition:filter var(--dur-fast) var(--ease-out), stroke-width var(--dur-fast) var(--ease-out); }
  .ring-seg:hover .seg-shape { filter:brightness(1.06); }
  .ring-seg.is-active .seg-shape { stroke:var(--text-strong); stroke-width:2.5; }
  .ring-seg:focus { outline:none; }
  .ring-seg:focus-visible .seg-shape { stroke:var(--pf-ink); stroke-width:3; stroke-dasharray:5 4; }
  .perma-mobile { display:none; flex-direction:column; gap:var(--space-3); }
  @media (max-width: 780px){ .perma-explore { display:none; } .perma-mobile { display:flex; } }
  .acc-item { background:var(--surface-card); border:1px solid var(--border-subtle); border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow-xs); }
  .acc-trigger { display:flex; align-items:center; gap:var(--space-4); width:100%; text-align:left; padding:var(--space-5); background:transparent; border:none; cursor:pointer; }
  .acc-panel { overflow:hidden; transition:grid-template-rows var(--dur-slow) var(--ease-out); display:grid; grid-template-rows:0fr; }
  .acc-panel.open { grid-template-rows:1fr; }
  .acc-panel > div { min-height:0; }
  .perma-mobile .acc-trigger h3 { font-size:clamp(1rem, 4.2vw, 1.15rem) !important; line-height:1.12; letter-spacing:0.01em; overflow-wrap:normal; word-break:normal; hyphens:none; }
  @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .acc-panel { transition:none; } .ring-seg { transition:none; } }