:root { --ink: #202b2b; --muted: #566460; --teal: #17675e; --paper: #f8f7f2; }
body { font-size: 17px; line-height: 1.75; }
h1,h2,h3 { font-weight: 400; letter-spacing: -.035em; color: var(--ink); }
h1 { font-size: clamp(2.5rem,4.8vw,4.9rem); line-height: 1.08; }
h2 { line-height: 1.2; margin-top: 2rem; }
a { text-underline-offset: .22em; }
a:focus-visible, button:focus-visible { outline: 3px solid #a9632c; outline-offset: 4px; }
.navbar { border-bottom: 1px solid #d9ddd5; padding: 1.05rem max(1rem,3vw); }
.navbar-brand { font-size: 1.45rem; font-weight: 700; letter-spacing: -.065em; }
.navbar-logo { max-height: 31px; }
.nav-link { font-size: .88rem; }
#quarto-content { max-width: 1440px; margin: auto; }
main.content { padding-top: 2rem; padding-bottom: 4rem; }
.quarto-title-block .title { font-size: clamp(2.3rem,4vw,3.8rem); }
.eyebrow { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--teal); font-size: .69rem; font-weight: 700; letter-spacing: .15em; }
.hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: 5rem; align-items: center; padding: 4.5rem 0 4rem; }
.hero h1 { max-width: 680px; margin: 1.2rem 0 1.7rem; }
.hero-copy > p:not(:first-child) { max-width: 550px; color: var(--muted); }
.btn { border-radius: 2px; font-size: .84rem; padding: .8rem 1.1rem; font-weight: 600; }
.btn-primary { background: var(--teal); border-color: var(--teal); color: #fff; }
.text-link { display: inline-block; font-size: .82rem; margin-left: 1.2rem; }
.hero-note { font-size: .73rem; display: inline-block; margin-top: 1.2rem; }
.hero-diagram { border: 1px solid #ccd6cc; background: #edf0e8; padding: 1.7rem 2rem; }
.diagram-caption { font-size: .6rem; font-weight: 700; letter-spacing: .12em; display: flex; justify-content: space-between; padding-bottom: 1.5rem; }
.diagram-caption span { color: var(--muted); }
.diagram-layer { display:flex; gap:1.1rem; align-items: baseline; border-top:1px solid #c9d1c7; padding: 1.5rem 0; }
.diagram-number { font-family: monospace; font-size: .7rem; color: var(--teal); }
.diagram-layer strong { font-family: Georgia, serif; font-weight: 400; font-size: 1.35rem; }
.diagram-layer p { margin: .3rem 0 0; color: var(--muted); font-size: .75rem; }
.diagram-symbol { color: var(--teal); font-size:1.5rem; margin-left:auto; }
.diagram-foot { border-top:1px solid #c9d1c7; padding-top:1rem; font-size:.61rem; color: var(--muted); }
.section-intro { border-top: 1px solid #d9ddd5; padding:3rem 0; display:grid; grid-template-columns: .7fr 1.4fr 1fr; gap:2rem; align-items:start; }
.section-intro h2 { margin:0; font-size:2rem; }
.section-intro p { margin:0; font-size:.9rem; color:var(--muted); }
.section-heading { display:flex; justify-content:space-between; align-items:baseline; gap:1rem; margin:1rem 0 1.7rem; }
.section-heading h2 { margin:0; font-size:2rem; }
.section-heading a { font-size:.8rem; }
.pillar-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:#d9ddd5; border:1px solid #d9ddd5; }
.pillar-card { background:var(--paper); padding:2rem; }
.pillar-card h3 { font-size:1.55rem; margin:.8rem 0; }
.pillar-card p { font-size:.85rem; color:var(--muted); }
.pillar-card a { font-size:.78rem; }
.research-status { display:grid; grid-template-columns:1.5fr 1fr; gap:4rem; padding:3rem; margin-top:4rem; background:#e8eee7; border-left:3px solid var(--teal); }
.research-status h2 { margin:.5rem 0 1rem; }
.research-status p { font-size:.9rem; }
.empty-state { padding:2rem; border:1px solid #d9ddd5; background:#edf0e8; margin:1.5rem 0; }
.nav-footer { border-top:1px solid #d9ddd5; font-size:.7rem; }
.table { font-size:.9rem; }
.cell-output, pre, .table-responsive { max-width:100%; overflow-x:auto; }
.skip-link { position:absolute; top:-100px; left:1rem; z-index:2000; background:var(--ink); color:white; padding:.6rem 1rem; }
.skip-link:focus { top:0; color:white; }
@media (max-width:1000px) { .hero { gap:2rem; } .section-intro { grid-template-columns:1fr 2fr; } .section-intro > p:last-child { grid-column:2; } .pillar-card { padding:1.4rem; } }
@media (max-width:767px) { .hero { grid-template-columns:1fr; padding:1.5rem 0 2.5rem; gap:2rem; } .hero h1 { font-size:3rem; } .section-intro { display:block; padding:2rem 0; } .section-intro h2 { margin:.8rem 0 1rem; } .pillar-grid { grid-template-columns:1fr; } .section-heading { display:block; } .research-status { grid-template-columns:1fr; padding:1.5rem; gap:1rem; margin-top:2rem; } .text-link { margin:.8rem 0 0; display:block; } .hero-diagram { padding:1.3rem; } }
@media (prefers-reduced-motion:reduce) { *,*::before,*::after { scroll-behavior:auto!important; transition:none!important; animation:none!important; } }

.homepage #title-block-header { display: none; }
.homepage .hero-copy section { display: contents; }
.section-intro { grid-template-columns: .7fr 2.4fr; }
.section-intro section h2 { margin: 0 0 1rem; max-width: 650px; }
.section-intro section p { max-width: 740px; }
@media (max-width:767px) { .section-intro { display: block; } }

/* Editorial components follow Quarto's native color-scheme switch. */
body.quarto-dark { --ink: #f0f2ef; --muted: #c1cbc7; --teal: #a0ddca; --paper: #181c1f; color-scheme: dark; }
body.quarto-light { color-scheme: light; }
.quarto-dark .navbar, .quarto-dark .section-intro, .quarto-dark .nav-footer,
.quarto-dark .pillar-grid, .quarto-dark .empty-state { border-color: #424c50; }
.quarto-dark .pillar-grid { background: #424c50; }
.quarto-dark .hero-diagram, .quarto-dark .empty-state,
.quarto-dark .research-status { background: #242b2e; border-color: #424c50; }
.quarto-dark .diagram-layer, .quarto-dark .diagram-foot { border-color: #424c50; }
.quarto-dark .btn-primary { color: #181c1f; }
.quarto-dark .skip-link { background: #f0f2ef; color: #181c1f; }
.quarto-dark a:focus-visible, .quarto-dark button:focus-visible { outline-color: #edb77b; }
.quarto-color-scheme-toggle { min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; }
@media print {
  body.quarto-dark { --ink: #202b2b; --muted: #566460; --teal: #17675e; --paper: #ffffff; color: #202b2b; background: #ffffff; }
  .quarto-dark .hero-diagram, .quarto-dark .empty-state, .quarto-dark .research-status { background: #edf0e8; }
}