.research-lede{font-size:1.125rem;line-height:1.75;color:var(--color-muted);margin-bottom:var(--space-lg)}.research-citations,.research-examples{padding-left:var(--space-xl,2.5rem);line-height:1.8}.research-citations li,.research-examples li{margin-bottom:var(--space-sm)}.research-note{font-size:.875rem;color:var(--color-muted)}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}.research-table-wrap{overflow-x:auto;margin:var(--space-md) 0 var(--space-lg);scrollbar-width:thin}.research-table-wrap:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px}.research-figure__unavailable{margin:0;padding:var(--space-lg);border:1px dashed var(--color-border);border-radius:var(--radius-md);color:var(--color-muted);font-size:.9375rem}.research-table-hint{display:none}@media(max-width:720px){.research-table-wrap{-webkit-mask-image:linear-gradient(to right,currentColor calc(100% - 2.5rem),transparent 100%);mask-image:linear-gradient(to right,currentColor calc(100% - 2.5rem),transparent 100%)}.research-table-hint{display:block;margin:calc(0px - var(--space-md)) 0 var(--space-lg);font-size:.75rem;letter-spacing:.04em;text-transform:uppercase;color:var(--color-muted)}}.research-table{border-collapse:collapse;width:100%;min-width:640px;font-size:.9375rem}.research-table th,.research-table td{border-bottom:1px solid var(--color-border);padding:.75rem;text-align:left;vertical-align:top;line-height:1.6}.research-table thead th{font-weight:600;border-bottom-width:2px;color:var(--color-text-heading)}.research-table tbody th{font-weight:600;color:var(--color-text)}.research-table td{color:var(--color-muted)}.research-table td:first-child{color:var(--color-text)}@media(max-width:640px){.research-table-wrap{overflow-x:visible;-webkit-mask-image:none;mask-image:none}.research-table-hint{display:none}.research-table,.research-table tbody,.research-table tr,.research-table tbody th,.research-table td{display:block;width:auto}.research-table tbody th{border-bottom:1px solid var(--color-border);padding:0 0 var(--space-sm);margin-bottom:var(--space-md);color:var(--color-text-heading)}.research-table{min-width:0}.research-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.research-table tr{border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-md);margin-bottom:var(--space-md)}.research-table td{border-bottom:0;padding:0 0 var(--space-md)}.research-table tr td:last-child{padding-bottom:0}.research-table td::before{content:attr(data-label);display:block;margin-bottom:var(--space-2xs,.25rem);font-size:.6875rem;letter-spacing:.08em;text-transform:uppercase;color:var(--color-muted)}}.research-verdict{display:inline-block;padding:.15rem .5rem;border-radius:var(--radius-sm);font-size:.75rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;border:1px solid transparent}.research-verdict--agrees{color:var(--color-accent-text);border-color:var(--color-accent);background:color-mix(in srgb,var(--color-accent) 10%,transparent)}.research-verdict--disagrees{color:var(--color-text);border-color:var(--color-border);background:transparent}.research-swatch{display:inline-block;width:1.15rem;height:1.15rem;border-radius:var(--radius-sm);border:1px solid var(--color-border);vertical-align:-.22rem;margin-right:.4rem}.research-table td .research-swatch+code{font-size:.8125rem;color:var(--color-muted)}.research-figure{margin:var(--space-xl) 0}.research-figure figcaption{margin-top:var(--space-sm);font-size:.875rem;line-height:1.6;color:var(--color-muted);max-width:62ch}.research-geometry{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-md);margin:0;padding:0;list-style:none;counter-reset:geometry}.research-geometry li{padding:var(--space-lg) var(--space-md);border:1px solid var(--color-border);border-radius:var(--radius-md);text-align:center}.research-geometry__label{display:block;font-family:var(--font-display);font-weight:700;font-size:1.0625rem;color:var(--color-text-heading);margin-bottom:var(--space-xs)}.research-geometry__meaning{display:block;font-size:.9375rem;line-height:1.5;color:var(--color-muted)}.research-notecell{display:flex;align-items:center;gap:var(--space-sm);text-decoration:none;color:inherit}.research-notecell:hover{text-decoration:none}.research-notecell:hover .research-notecell__name{color:var(--color-accent-text)}.research-notecell__shot{flex-shrink:0;width:48px;height:48px;border-radius:var(--radius-sm);overflow:hidden;background:var(--color-bg-warm);display:block;line-height:0}.research-notecell__shot img{width:100%;height:100%;object-fit:cover;object-position:center;transform:scale(1.23);transform-origin:center;display:block}.research-notecell__body{display:flex;flex-direction:column;gap:.2rem;min-width:0}.research-notecell__name{font-weight:600;color:var(--color-text);transition:color var(--transition-base)}.research-notecell__colour{display:flex;align-items:center;gap:.35rem;font-size:.8125rem;color:var(--color-muted)}.research-geometry--evidence li{text-align:left}@media(max-width:640px){.research-geometry{grid-template-columns:1fr;gap:var(--space-sm)}.research-geometry li{padding:var(--space-md);text-align:left}}.research-palette{display:block;width:100%;height:96px;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--color-border)}.research-bars{display:grid;grid-template-columns:minmax(0,auto) minmax(0,1fr) minmax(0,auto);align-items:center;gap:.55rem var(--space-md);margin:0}.research-bars__label{font-size:.875rem;line-height:1.35;color:var(--color-muted);text-align:right}.research-bars__track{border-left:1px solid var(--color-border);padding-left:3px;min-width:0}.research-bars__bar{display:block;height:20px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;background:var(--color-muted);opacity:.45}.research-bars__bar--lead{background:var(--color-accent);opacity:1}.research-bars__value{font-size:.875rem;font-weight:600;color:var(--color-text);font-variant-numeric:tabular-nums}.research-bars__value--lead{color:var(--color-text-heading)}@media(max-width:560px){.research-bars{grid-template-columns:minmax(0,1fr) minmax(0,auto);gap:.35rem var(--space-sm)}.research-bars__label{grid-column:1/-1;text-align:left;margin-top:var(--space-sm)}}.research-metamer{display:grid;grid-template-columns:minmax(0,1fr) 118px minmax(0,.9fr);align-items:center;gap:0}.research-metamer__sets{display:grid;gap:var(--space-md);min-width:0}.research-metamer__set{padding:var(--space-md);background:var(--color-bg);border:1px solid var(--color-border-subtle,var(--color-border));border-radius:var(--radius-md)}.research-metamer__lbl{margin:0 0 var(--space-sm);font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--color-muted)}.research-metamer__dots{display:flex;flex-wrap:wrap;gap:10px}.research-metamer__dot{width:14px;height:14px;border-radius:50%;background:var(--color-accent)}.research-metamer__set--b .research-metamer__dot{background:var(--color-text-heading)}.research-metamer__join{display:grid;grid-template-columns:minmax(0,1fr) 12px;align-items:center;padding:0 10px;position:relative}.research-metamer__shaft{width:100%;height:20px;display:block}.research-metamer__head{width:12px;height:20px;display:block}.research-metamer__joinlbl{position:absolute;left:0;right:0;top:50%;margin-top:-26px;text-align:center;font-size:.6875rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--color-muted)}.research-metamer__out{padding:var(--space-lg) var(--space-md);background:var(--color-bg);border:1.5px solid var(--color-accent);border-radius:var(--radius-lg);text-align:center}.research-metamer__result{display:block;font-family:var(--font-display,var(--font-sans));font-size:1.25rem;font-weight:700;color:var(--color-text-heading)}.research-metamer__sub{display:block;margin-top:.25rem;font-size:.8125rem;color:var(--color-muted)}.research-metamer__thresh{display:block;margin-top:var(--space-sm);padding-top:var(--space-sm);border-top:1px solid var(--color-border);font-size:.75rem;color:var(--color-muted);font-variant-numeric:tabular-nums}@media(max-width:680px){.research-metamer{grid-template-columns:minmax(0,1fr)}.research-metamer__join{display:flex;flex-direction:column;align-items:center;gap:6px;padding:var(--space-md) 0}.research-metamer__shaft,.research-metamer__head{display:none}.research-metamer__join::before{content:"";width:0;height:28px;border-left:1.5px dashed var(--color-accent);opacity:.65}.research-metamer__join::after{content:"";width:9px;height:9px;margin-top:-10px;border-right:2px solid var(--color-accent);border-bottom:2px solid var(--color-accent);transform:rotate(45deg)}.research-metamer__joinlbl{position:static;margin:0;order:1}}.research-timeline{display:grid;grid-template-columns:minmax(0,auto) minmax(0,1fr);align-items:center;gap:.4rem var(--space-md);margin:0}.research-timeline__name{font-size:.875rem;color:var(--color-text);text-align:right;white-space:nowrap}.research-timeline__name a{color:inherit}.research-timeline__hours{display:block;font-size:.75rem;color:var(--color-muted);font-variant-numeric:tabular-nums}.research-timeline__track{position:relative;height:22px;border-radius:var(--radius-sm);min-width:0;box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--color-border) 35%,transparent)}.research-timeline__axis{grid-column:2;position:relative;height:1.5rem;margin-top:.25rem;border-top:1px solid var(--color-border)}.research-timeline__tick{position:absolute;top:0;transform:translateX(-50%);padding-top:.3rem;font-size:.6875rem;color:var(--color-muted);font-variant-numeric:tabular-nums;white-space:nowrap}.research-timeline__tick::before{content:"";position:absolute;top:0;left:50%;width:1px;height:4px;background:var(--color-border)}.research-timeline__tick--first{transform:none}.research-timeline__tick--last{transform:translateX(-100%)}.research-timeline__tick--first::before{left:0}.research-timeline__tick--last::before{left:auto;right:0}@media(max-width:560px){.research-timeline{grid-template-columns:minmax(0,1fr)}.research-timeline__name{text-align:left;margin-top:var(--space-sm)}.research-timeline__hours{display:inline;margin-left:.4rem}.research-timeline__axis{grid-column:1}}.research-specimens{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:var(--space-md);margin:0;padding:0;list-style:none}.research-specimen{display:block;text-decoration:none;text-align:center}.research-specimen:hover .research-specimen__shot,.research-specimen:focus-visible .research-specimen__shot{border-color:var(--color-accent)}.research-specimen:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px;border-radius:var(--radius-md)}.research-specimen__shot{display:block;width:100%;aspect-ratio:1;overflow:hidden;border-radius:var(--radius-md);border:1px solid var(--color-border-subtle,var(--color-border));background:var(--color-bg-warm);transition:border-color .15s;line-height:0}.research-specimen__shot img{width:100%;height:100%;object-fit:cover;object-position:center;transform:scale(1.23);transform-origin:center;display:block}.research-specimen__swatch{display:block;width:100%;aspect-ratio:1;border-radius:var(--radius-md);border:1px solid var(--color-border-subtle,var(--color-border))}.research-specimen__name{display:block;margin-top:var(--space-sm);font-size:.875rem;font-weight:600;color:var(--color-text-heading)}.research-specimen__note{display:block;margin-top:.15rem;font-size:.75rem;line-height:1.45;color:var(--color-muted)}.research-contrast{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:var(--space-xl);margin:0}.research-contrast__lbl{margin:0 0 var(--space-md);font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--color-muted)}.research-contrast__lbl b{display:block;margin-top:.3rem;font-size:.8125rem;font-weight:400;letter-spacing:0;text-transform:none;color:var(--color-text)}.research-grammar{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:var(--space-lg);margin:0}.research-grammar__cell{text-align:center}.research-grammar__stage{display:flex;align-items:center;justify-content:center;height:96px;margin-bottom:var(--space-sm)}.research-bloom,.research-rings,.research-phase{--paint:var(--bloom);--paint-b:var(--bloom-b)}html.dark-mode .research-bloom,html.dark-mode .research-rings,html.dark-mode .research-phase{--paint:color-mix(in srgb,var(--bloom) 55%,var(--color-text));--paint-b:color-mix(in srgb,var(--bloom-b) 55%,var(--color-text))}.research-bloom{border-radius:50%;background:radial-gradient(circle at 50% 50%,color-mix(in srgb,var(--paint) 85%,transparent) 0%,color-mix(in srgb,var(--paint) 45%,transparent) 45%,transparent 72%)}.research-bloom--sm{width:44px;height:44px}.research-bloom--lg{width:88px;height:88px}.research-rings{position:relative;width:88px;height:88px}.research-rings span{position:absolute;inset:0;margin:auto;border-radius:50%;border:1px solid color-mix(in srgb,var(--paint) 55%,transparent)}.research-rings span:nth-child(1){width:30px;height:30px;border:0;background:radial-gradient(circle,color-mix(in srgb,var(--paint) 75%,transparent) 0%,color-mix(in srgb,var(--paint) 30%,transparent) 60%,transparent 78%)}.research-rings span:nth-child(2){width:56px;height:56px;opacity:.75}.research-rings span:nth-child(3){width:84px;height:84px;opacity:.4}.research-phase{position:relative;display:flex;align-items:center;gap:var(--space-md);width:100%;justify-content:center;padding-bottom:12px}.research-phase::after{content:"";position:absolute;left:8%;right:8%;bottom:0;height:1px;background:linear-gradient(to right,var(--color-border),color-mix(in srgb,var(--color-border) 25%,transparent))}.research-phase__top{width:30px;height:30px;border-radius:50%;background:color-mix(in srgb,var(--paint) 85%,transparent)}.research-phase__base{width:62px;height:26px;border-radius:999px;background:linear-gradient(to right,color-mix(in srgb,var(--paint-b) 55%,transparent),color-mix(in srgb,var(--paint-b) 18%,transparent));filter:blur(1px)}.research-grammar__k{display:block;font-size:.875rem;font-weight:600;color:var(--color-text-heading)}.research-grammar__d{display:block;margin-top:.2rem;font-size:.8125rem;line-height:1.5;color:var(--color-muted)}.research-rail,.guide-article .research-rail{list-style:none;margin:var(--space-xl) 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:var(--space-md)}.research-rail a{display:grid;grid-template-columns:34px minmax(0,1fr) 18px;align-items:center;gap:var(--space-md);padding:var(--space-md);height:100%;background:var(--color-bg);border:1px solid var(--color-border-subtle,var(--color-border));border-radius:var(--radius-md);text-decoration:none;transition:border-color .15s,background .15s}.research-rail a:hover,.research-rail a:focus-visible{border-color:var(--color-accent);background:var(--color-bg-warm);text-decoration:none}.research-rail a:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.research-rail__icon{display:inline-flex;color:var(--color-accent-text)}.research-rail__icon svg{width:24px;height:24px}.research-rail__t{display:block;font-size:.9375rem;font-weight:650;color:var(--color-text-heading);line-height:1.35}.research-rail__d{display:block;margin-top:.2rem;font-size:.8125rem;line-height:1.45;color:var(--color-muted)}.research-rail__go{display:inline-flex;color:var(--color-muted);opacity:.55;transition:opacity .15s,color .15s}.research-rail a:hover .research-rail__go,.research-rail a:focus-visible .research-rail__go{opacity:1;color:var(--color-accent-text)}.research-rail__go svg{width:18px;height:18px}.research-footer{background:transparent;margin-top:var(--space-2xl);padding:var(--space-lg) 0 0;border-top:1px solid var(--color-border);font-size:.875rem;color:var(--color-muted)}.research-footer p{font-size:.875rem;line-height:1.7;margin:0}.research-landing .guides-category h2{margin-bottom:var(--space-lg)}.research-landing .tools-index__list{margin-top:0}