:root{--color-paper:#fff;--color-paper-2:#faf8f3;--color-paper-3:#f1efe4;--color-paper-cyan:#e0f6fe;--color-paper-coral:#fff0ef;--color-paper-mint:#e5f7eb;--color-ink:#191f1a;--color-ink-2:#444945;--color-muted:#555956;--color-rule:#d5d9d5;--color-rule-dark:#6a7683;--color-accent:#f6ce00;--color-accent-deep:#b09300;--color-accent-ink:#12171b;--color-accent-2:#009fe4;--color-accent-2-deep:#006ca1;--color-accent-2-ink:#0b1219;--color-accent-3:#ff5065;--color-accent-3-deep:#c00036;--color-accent-3-ink:var(--color-ink);--color-on-dark:#faf8f3;--color-mint:#66da85;--color-mint-deep:#1e5a38;--color-focus:#0072a3;--color-shadow:#12171b24;--color-shadow-soft:#12171b14;--color-overlay:#fffffff7;--color-whiteboard:#fff;--font-display:"Avenir Next", "Segoe UI", system-ui, sans-serif;--font-body:"Avenir Next", "Segoe UI", system-ui, sans-serif;--font-mono:"SFMono-Regular", Consolas, "Liberation Mono", monospace;--space-3xs:.125rem;--space-2xs:.25rem;--space-xs:.5rem;--space-sm:.75rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2.5rem;--space-2xl:4rem;--space-3xl:6rem;--space-4xl:9rem;--text-xs:.72rem;--text-sm:.875rem;--text-base:1rem;--text-md:1.125rem;--text-lg:1.4rem;--text-xl:1.8rem;--text-2xl:2.4rem;--text-3xl:3.2rem;--text-display:clamp(2.8rem, 4.2vw + .5rem, 4.7rem);--radius-sm:.5rem;--radius-input:.375rem;--radius-card:.5rem;--radius-card-lg:.5rem;--radius-pill:999px;--shell:76rem;--page-gutter:clamp(.9rem, 2.5vw, 1.5rem);--banner-height:6.5rem;--ease-out:cubic-bezier(.16, 1, .3, 1);--ease-in:cubic-bezier(.7, 0, .84, 0);--ease-snap:cubic-bezier(.22, 1, .36, 1);--dur-micro:.12s;--dur-short:.22s;--dur-long:.42s;--z-base:1;--z-raised:10;--z-dropdown:100;--z-sticky:200;--z-sticky-nav:300;--z-skip:500}@supports (color:lab(0% 0 0)){:root{--color-paper:lab(100% 0 0);--color-paper-2:lab(97.7299% -.24882 3.04245);--color-paper-3:lab(94.2857% -.410378 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var(--space-md);color:var(--color-on-dark);background:var(--color-ink);border-radius:var(--radius-sm);white-space:nowrap;position:fixed;inset-block-start:var(--space-md);inset-inline-start:var(--space-md);transform:translateY(-180%)}.skip-link:focus{transform:translateY(0)}.page-progress{z-index:var(--z-skip);height:var(--space-2xs);background:var(--color-accent-3);transform-origin:0;position:fixed;inset:0 0 auto}.kicker{align-items:center;gap:var(--space-sm);font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.11em;text-transform:uppercase;margin-block-end:var(--space-lg);font-weight:600;line-height:1.4;display:inline-flex}.kicker:before{content:none;display:none}.highlight{z-index:0;isolation:isolate;display:inline-block;position:relative}.highlight:before{z-index:-1;background:var(--color-accent);clip-path:polygon(0 11%,4% 3%,27% 7%,51% 2%,76% 6%,100% 0,98% 86%,73% 94%,48% 89%,21% 97%,1% 90%);content:"";transform-origin:0;animation:highlight-sweep .9s var(--ease-out) .42s forwards;will-change:transform;position:absolute;inset:.05em -.08em .14em -.06em;transform:rotate(-.6deg)scaleX(0)}@keyframes highlight-sweep{to{transform:rotate(-.6deg)scaleX(1)}}.site-header{z-index:var(--z-sticky-nav);transition:transform var(--dur-short) var(--ease-out);position:fixed;inset:0 0 auto}.summit-banner{justify-content:center;align-items:center;gap:var(--space-md);min-height:2.5rem;padding:var(--space-xs) var(--page-gutter);color:var(--color-ink);background:var(--color-accent);font-size:var(--text-sm);text-align:center;white-space:nowrap;transition:transform var(--dur-short) var(--ease-out);text-decoration:none;display:flex}.summit-banner span,.summit-banner strong{white-space:nowrap}.summit-banner strong{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.04em;text-transform:uppercase}.site-header--compact .summit-banner{transform:translateY(-100%)}.site-header--compact .site-nav{transform:translateY(-2.5rem)}.site-nav{align-items:center;gap:var(--space-lg);background:var(--color-overlay);border-block-end:1px solid var(--color-rule);-webkit-backdrop-filter:blur(1rem);backdrop-filter:blur(1rem);width:100%;min-height:4rem;transition:transform var(--dur-short) var(--ease-out);margin-inline:0;display:flex}.wordmark{align-items:center;gap:var(--space-sm);white-space:nowrap;line-height:1;text-decoration:none;display:inline-flex}.wordmark>span{font-size:var(--text-lg);letter-spacing:-.04em;font-weight:700}.wordmark>small{color:var(--color-muted);font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;font-size:.62rem}.nav-links{align-items:center;gap:var(--space-lg);margin-inline-start:auto;display:flex}.nav-links a,.nav-cta,.footer-meta a,.join-paths a{white-space:nowrap}.nav-links a{padding-block:var(--space-md);font-size:var(--text-sm);font-weight:600;text-decoration:none;position:relative}.nav-links a:after{inset:auto 0 var(--space-sm);height:var(--space-3xs);background:var(--color-accent-2);content:"";transform-origin:0;transition:transform var(--dur-short) var(--ease-out);position:absolute;transform:scaleX(0)}.nav-links a:hover:after,.nav-links a:focus-visible:after{transform:scaleX(1)}.nav-cta{min-height:2.75rem;padding-inline:var(--space-lg);color:var(--color-accent-ink);background:var(--color-accent);border:1px solid var(--color-accent-deep);border-radius:var(--radius-pill);font-size:var(--text-sm);box-shadow:0 var(--space-2xs) 0 var(--color-accent-deep);transition:transform var(--dur-micro) var(--ease-out), box-shadow var(--dur-micro) var(--ease-out);align-items:center;font-weight:700;text-decoration:none;display:inline-flex}.nav-cta:hover{transform:translateY(calc(var(--space-3xs) * -1))}.nav-cta:active{transform:translateY(var(--space-2xs));box-shadow:0 0 0 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var(--color-rule);font-size:var(--text-md);white-space:nowrap;font-weight:650;text-decoration:none;display:flex}.mobile-menu a:last-child{border-block-end:0}.mobile-menu span{color:var(--color-accent-3-deep);font-family:var(--font-mono);font-size:var(--text-xs)}.btn{--btn-face:var(--color-accent);--btn-ink:var(--color-accent-ink);--btn-edge:var(--color-accent-deep);--btn-cast:color-mix(in oklch, var(--btn-edge) 32%, transparent);justify-content:center;align-items:center;gap:var(--space-xs);min-height:3rem;padding:var(--space-sm) var(--space-lg);color:var(--btn-ink);background:var(--btn-face);border-radius:var(--radius-pill);cursor:pointer;white-space:nowrap;box-shadow:0 var(--space-2xs) 0 var(--btn-edge), 0 var(--space-xs) var(--space-sm) calc(var(--space-3xs) * -1) var(--btn-cast);transition:transform var(--dur-micro) var(--ease-out), box-shadow var(--dur-micro) var(--ease-out), background-color var(--dur-short) var(--ease-out);border:0;font-weight:700;line-height:1;text-decoration:none;display:inline-flex;transform:translateY(0)}.btn:hover{transform:translateY(calc(var(--space-3xs) * -1))}.btn:active{transform:translateY(var(--space-2xs));box-shadow:0 var(--space-3xs) 0 var(--btn-edge), 0 var(--space-2xs) var(--space-xs) calc(var(--space-3xs) * -1) var(--btn-cast)}.btn--cyan{--btn-face:var(--color-accent-2);--btn-ink:var(--color-accent-2-ink);--btn-edge:var(--color-accent-2-deep)}.btn--ink{--btn-face:var(--color-ink);--btn-ink:var(--color-on-dark);--btn-edge:var(--color-rule-dark)}.btn:focus-visible,.text-link:focus-visible,.nav-links a:focus-visible,.nav-cta:focus-visible,.menu-button:focus-visible,.state-tabs button:focus-visible,.join-paths a:focus-visible,.footer-meta a:focus-visible,.summit-banner:focus-visible{outline:var(--space-2xs) solid var(--color-focus);outline-offset:var(--space-2xs)}.text-link{align-items:center;gap:var(--space-xs);min-height:2.75rem;-webkit-text-decoration-color:var(--color-accent-2);text-decoration-color:var(--color-accent-2);text-underline-offset:.2em;white-space:nowrap;font-weight:700;text-decoration-thickness:.14em;display:inline-flex}.text-link span,.btn span,.join-paths a span{transition:transform var(--dur-short) var(--ease-out)}.text-link:hover span,.btn:hover span,.join-paths a:hover span{transform:translateX(var(--space-2xs))}.aria-character{inset:calc(var(--space-2xl) * -1) var(--space-lg) auto auto;z-index:var(--z-raised);pointer-events:none;width:7rem;height:7rem;position:absolute}.aria-character__art{width:7rem;height:7rem;display:block;position:absolute;inset:0}.aria-character__face{inset:var(--space-lg);background:var(--color-accent);border:var(--space-2xs) solid var(--color-ink);box-shadow:.18rem .24rem 0 var(--color-ink);border-radius:48% 52% 45% 55%;display:block;position:absolute;transform:rotate(-7deg)}.aria-character__face i{width:var(--space-xs);height:var(--space-sm);background:var(--color-ink);border-radius:var(--radius-pill);position:absolute;inset-block-start:34%}.aria-character__face i:first-child{inset-inline-start:28%}.aria-character__face i:nth-child(2){inset-inline-end:28%}.aria-character__face b{height:var(--space-sm);border-block-end:var(--space-2xs) solid var(--color-ink);border-radius:0 0 var(--radius-pill) var(--radius-pill);position:absolute;inset:58% 31% auto}.aria-character__thought{background:var(--color-paper);border:var(--space-2xs) solid var(--color-ink);border-radius:var(--radius-pill);display:block;position:absolute}.aria-character__thought--one{inset:var(--space-xs) var(--space-xs) auto auto;width:var(--space-lg);height:var(--space-lg)}.aria-character__thought--two{inset:calc(var(--space-lg) * -1) calc(var(--space-sm) * -1) auto auto;width:var(--space-xl);height:var(--space-xl)}.aria-character__spark{inset:var(--space-md) auto auto 0;width:var(--space-lg);height:var(--space-lg);background:linear-gradient(90deg, transparent 44%, var(--color-accent-3) 44% 56%, transparent 56%), linear-gradient(0deg, transparent 44%, var(--color-accent-3) 44% 56%, transparent 56%);position:absolute;transform:rotate(20deg)}.aria-character--small{flex:none;width:2.5rem;height:2.5rem;position:relative;inset:auto}.aria-character--small .aria-character__art{transform-origin:0 0;transform:scale(.357142)}.hero{min-height:0;padding-block:var(--space-lg) var(--space-xl);align-items:center;margin-block-start:var(--banner-height);display:grid;position:relative;overflow:visible}.hero:after{height:var(--space-2xs);background:var(--color-ink);content:"";position:absolute;inset:auto 0 0}.hero-layout{align-items:center;gap:clamp(var(--space-xl), 4vw, var(--space-2xl));display:block}.hero-copy{min-width:0}.hero h1{letter-spacing:0;max-width:none;font-size:64px}.hero .hero-demo{margin-block-start:var(--space-lg)}.hero .hero-lede{max-width:76ch;font-size:18px}.hero-stage-note{margin-block:var(--space-md) 0;font-size:var(--text-xs);color:var(--color-muted)}.hero .hero-trust{gap:var(--space-md);flex-direction:row}.hero .hero-trust span{background:0 0;border:0;border-radius:0;padding:0}.hero .hero-actions{gap:var(--space-md) var(--space-xl);flex-wrap:wrap}.hero .hero-actions>a{white-space:nowrap}.demo-section{padding-block:0 var(--space-lg)}.math-preview{border-block:1px solid var(--color-rule-dark);padding-block:var(--space-md)}.math-preview__heading,.math-preview__footer{justify-content:space-between;gap:var(--space-sm);flex-wrap:wrap;align-items:center;display:flex}.math-preview__heading strong{font-size:16px}.math-preview__heading>span,.math-preview__footer{font-family:var(--font-mono);color:var(--color-muted);font-size:12px}.math-preview__tabs{gap:var(--space-xs);margin-block:var(--space-md);flex-wrap:wrap;display:flex}.math-preview__tabs button{border:1px solid var(--color-rule-dark);min-height:40px;color:var(--color-ink);font:inherit;white-space:nowrap;cursor:pointer;background:0 0;border-radius:4px;padding:8px 14px;font-size:14px}.math-preview__tabs button[aria-pressed=true]{background:var(--color-accent);border-color:var(--color-ink)}.math-preview__tabs button:hover{border-color:var(--color-ink)}.math-preview__tabs button:focus-visible{outline:2px solid var(--color-focus);outline-offset:3px}.math-preview__tabs button:active{transform:translateY(1px)}.math-preview__work{gap:var(--space-xl);min-block-size:168px;padding-block:var(--space-md);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.math-preview__work>div{min-width:0}.math-preview__work h2{letter-spacing:0;margin-block-end:var(--space-md);font-size:22px}.math-preview__work .kicker{margin-block-end:var(--space-sm);font-size:11px}.math-preview__equation{font-family:var(--font-mono);overflow-wrap:anywhere;margin:0;font-size:19px}.math-preview__reply{margin-block-end:var(--space-sm);font-size:18px;line-height:1.5}.math-preview__reason{color:var(--color-muted);margin:0;font-size:14px}.math-preview__footer{border-block-start:1px solid var(--color-rule);padding-block-start:var(--space-md)}.math-preview__footer a{white-space:nowrap}.faq-list details{padding-block:var(--space-lg);border-block-start:1px solid var(--color-rule)}.faq-list summary{cursor:pointer;font-size:20px;font-weight:600}.faq-list p{max-width:80ch;margin-block:var(--space-md) 0;color:var(--color-ink-2)}.research-notes{border-block:1px solid var(--color-rule-dark)}.research-notes>summary{padding-block:var(--space-lg);cursor:pointer;font-weight:600;list-style:none}.research-notes>summary>span{justify-content:space-between;align-items:center;gap:var(--space-md);display:flex}.research-notes>summary>span:after{content:"+";font-size:24px}.research-notes[open]>summary>span:after{content:"−"}.research-notes>summary::-webkit-details-marker{display:none}@media (max-width:48rem){.hero h1{font-size:42px}.hero .hero-lede{font-size:16px}.hero .hero-actions{flex-direction:row}.hero .hero-trust{gap:var(--space-sm)}.hero .hero-trust span{font-size:10px}.math-preview__work{gap:var(--space-md);grid-template-columns:minmax(0,1fr);min-block-size:264px}.math-preview__work>div+div{border-block-start:1px solid var(--color-rule);padding-block-start:var(--space-md)}.math-preview__work h2{font-size:19px}.math-preview__reply{font-size:16px}.math-preview__heading{flex-direction:column;align-items:flex-start}.math-preview__footer{font-size:11px}}@media (max-width:22rem){.hero h1{font-size:38px}.hero .hero-actions>a{font-size:13px}.math-preview__tabs button{padding-inline:10px;font-size:12px}}.hero-lede{max-width:59ch;color:var(--color-ink-2);font-size:var(--text-md);margin-block-end:var(--space-lg);line-height:1.65}.hero-actions{align-items:center;gap:var(--space-lg);margin-block-end:var(--space-lg);display:flex}.hero-trust{align-items:center;gap:var(--space-sm);flex-wrap:wrap;max-width:42rem;display:flex}.hero-trust span{padding:var(--space-xs) var(--space-sm);color:var(--color-ink-2);background:var(--color-paper-2);border:1px solid var(--color-rule);border-radius:var(--radius-pill);font-family:var(--font-mono);font-size:var(--text-xs)}.hero-demo{min-width:0;position:relative}.hero-demo>.aria-character{inset:-5.5rem var(--space-lg) auto auto}.thought-playground{padding:var(--space-md);background:var(--color-whiteboard);border:1px solid var(--color-rule);border-radius:var(--radius-card);box-shadow:0 var(--space-md) var(--space-xl) var(--color-shadow-soft);position:relative}.playground-top{justify-content:space-between;align-items:center;gap:var(--space-md);border-block-end:1px dashed var(--color-rule);color:var(--color-muted);font-size:var(--text-xs);padding-block-end:var(--space-md);display:flex}.playground-top>span:last-child{text-align:end}.live-label{align-items:center;gap:var(--space-xs);color:var(--color-ink);font-family:var(--font-mono);white-space:nowrap;font-weight:600;display:inline-flex}.state-tabs{gap:var(--space-xs);margin-block:var(--space-md);flex-wrap:wrap;display:flex}.state-tabs button{min-height:2.75rem;padding-inline:var(--space-md);color:var(--color-ink-2);background:var(--color-paper);border:1px solid var(--color-rule);border-radius:var(--radius-pill);cursor:pointer;font-size:var(--text-sm);white-space:nowrap;transition:background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);font-weight:650}.state-tabs button:hover{background:var(--color-paper-2);transform:translateY(calc(var(--space-3xs) * -1))}.state-tabs button:active{transform:translateY(var(--space-3xs))}.state-tabs button[aria-selected=true]{color:var(--color-accent-2-ink);background:var(--color-accent-2);border-color:var(--color-accent-2-deep)}.thought-panel{gap:var(--space-md);display:grid}.student-bubble,.aria-bubble{padding:var(--space-md);border-radius:var(--radius-card)}.student-bubble{background:var(--color-paper-2);margin-inline-end:var(--space-xl)}.aria-bubble{background:var(--color-paper-cyan);border:1px solid color-mix(in oklch, var(--color-accent-2) 40%, var(--color-paper-cyan));margin-inline-start:var(--space-xl)}.student-bubble span,.aria-bubble span{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.06em;text-transform:uppercase;font-weight:600}.student-bubble p,.aria-bubble p{margin:var(--space-xs) 0 0;font-size:var(--text-md);font-weight:600;line-height:1.45}.aria-bubble>div{align-items:center;gap:var(--space-xs);display:flex}.signal-line{align-items:center;gap:var(--space-xs);margin-inline:var(--space-lg);color:var(--color-muted);font-family:var(--font-mono);font-size:var(--text-xs);grid-template-columns:minmax(0,1fr) auto;display:grid}.playground-note{margin:var(--space-md) 0 0;color:var(--color-muted);border-block-start:1px dashed var(--color-rule);font-size:var(--text-xs);padding-block-start:var(--space-md)}.idea-section{padding-block:var(--space-2xl);color:var(--color-on-dark);background:var(--color-ink)}.idea-section h2,.idea-section h3,.idea-section .kicker{color:var(--color-on-dark)}.idea-layout{gap:var(--space-xl);grid-template-columns:minmax(0,1fr);display:grid}.idea-statement{align-self:start;position:static}.idea-statement h2{max-width:24ch;font-size:clamp(2.35rem,4vw,4rem)}.idea-statement h2 span{max-width:34ch;color:var(--color-accent);letter-spacing:-.02em;margin-block-start:var(--space-md);font-size:.48em;line-height:1.25;display:block}.idea-notes{gap:var(--space-xl);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.idea-notes article{border-block-start:1px solid var(--color-rule-dark);padding-block-start:var(--space-md)}.idea-notes article>span{color:var(--color-accent-2);font-family:var(--font-mono);font-size:var(--text-sm);margin-block-end:var(--space-md);display:block}.idea-notes h3{max-width:21ch;font-size:var(--text-lg);margin-block-end:var(--space-sm)}.idea-notes p{max-width:58ch;color:color-mix(in oklch, var(--color-on-dark) 72%, var(--color-ink));font-size:var(--text-sm);margin:0}.workflow{background:var(--color-paper)}.section-intro{margin-block-end:var(--space-xl)}.section-intro h2{max-width:17ch}.section-intro>p:last-child{max-width:64ch;color:var(--color-ink-2);font-size:var(--text-md);margin-block-end:0}.workflow>.section-intro{padding-block:var(--space-2xl) var(--space-xl)}.workflow-stage{border-block-start:var(--space-2xs) solid var(--color-ink);position:relative}.workflow-stage--pear{background:var(--color-paper-2)}.workflow-stage--cyan{background:var(--color-paper-cyan)}.workflow-stage--coral{background:var(--color-paper-coral)}.workflow-stage--mint{background:var(--color-paper-mint);border-block-end:var(--space-2xs) solid var(--color-ink)}.stage-layout{align-items:center;gap:var(--space-xl);min-height:28rem;padding-block:var(--space-xl);grid-template-columns:minmax(6rem,.2fr) minmax(0,.82fr) 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var(--color-rule-dark);border-radius:var(--radius-card);box-shadow:0 var(--space-sm) var(--space-lg) var(--color-shadow-soft)}.visual-listen{align-content:center;gap:var(--space-lg);grid-template-columns:auto minmax(0,1fr);display:grid;transform:none}.mini-avatar{width:3.5rem;height:3.5rem;color:var(--color-accent-3-ink);background:var(--color-accent-3);border:var(--space-2xs) solid var(--color-ink);border-radius:47% 53% 45% 55%;place-items:center;font-weight:700;display:grid}.visual-listen p{font-size:var(--text-lg);align-self:center;margin:0;font-weight:650}.typing-track{align-items:end;gap:var(--space-sm);height:4.5rem;padding:var(--space-lg);background:var(--color-paper-2);border-radius:var(--radius-card);grid-column:1/-1;display:flex}.typing-track i{background:var(--color-accent-2);border-radius:var(--radius-pill);width:16%;height:38%}.typing-track i:nth-child(2){height:74%}.typing-track i:nth-child(3){height:48%}.typing-track i:nth-child(4){height:88%}.typing-track i:nth-child(5){height:58%}.visual-state{align-items:center;gap:var(--space-xl);grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);display:grid;transform:none}.visual-state>div{min-height:9rem;padding:var(--space-lg);background:var(--color-paper-coral);border-radius:var(--radius-card);align-content:center;display:grid}.visual-state span,.visual-state small,.visual-state li{font-family:var(--font-mono);font-size:var(--text-xs)}.visual-state strong{margin-block:var(--space-xs);font-size:var(--text-2xl)}.visual-state ul{gap:var(--space-lg);margin:0;padding:0;list-style:none;display:grid}.visual-state li{gap:var(--space-xs);display:grid}.bar{height:var(--space-sm);background:var(--color-accent-2);border:1px solid var(--color-accent-2-deep);border-radius:var(--radius-pill);display:block}.bar--high{width:88%}.bar--mid{width:66%}.bar--low{width:43%}.visual-question{padding-inline:var(--space-2xl);align-content:center;display:grid;position:relative;transform:none}.visual-question>span{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.08em;text-transform:uppercase;margin-block-end:var(--space-lg);font-weight:600}.visual-question p{font-size:var(--text-xl);margin-block-end:var(--space-xl);font-weight:650;line-height:1.35}.visual-question small{padding:var(--space-xs) var(--space-sm);color:var(--color-on-dark);background:var(--color-ink);border-radius:var(--radius-pill);font-family:var(--font-mono);justify-self:start}.visual-transfer{align-content:center;gap:var(--space-lg);grid-template-columns:repeat(2,minmax(0,1fr));display:grid;transform:none}.visual-transfer>div{padding:var(--space-lg);background:var(--color-paper-2);border-radius:var(--radius-card)}.visual-transfer span{font-family:var(--font-mono);font-size:var(--text-xs)}.trend{height:4.5rem;border-radius:var(--radius-card);clip-path:polygon(0 20%,100% 75%,100% 100%,0 100%);margin-block-start:var(--space-md);display:block}.trend--down{background:var(--color-accent-3)}.trend--up{background:var(--color-mint);clip-path:polygon(0 75%,100% 20%,100% 100%,0 100%)}.visual-transfer>strong{text-align:center;grid-column:1/-1}.workflow{background:var(--color-paper-2);border-block:1px solid var(--color-rule)}.workflow .section-intro{max-width:58rem}.workflow-flow{gap:var(--space-sm);grid-template-columns:repeat(4,minmax(0,1fr));margin:0;padding:0;list-style:none;display:grid}.workflow-card{min-height:17rem;padding:var(--space-lg);border:1px solid var(--color-rule);border-radius:var(--radius-card);flex-direction:column;display:flex;position:relative}.workflow-card--pear{background:var(--color-paper)}.workflow-card--cyan{background:var(--color-paper-cyan)}.workflow-card--coral{background:var(--color-paper-coral)}.workflow-card--mint{background:var(--color-paper-mint)}.workflow-card__top{justify-content:space-between;align-items:baseline;gap:var(--space-md);margin-block-end:var(--space-xl);display:flex}.workflow-card__number{font-size:var(--text-lg);letter-spacing:-.05em;font-weight:750}.workflow-card__verb{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.08em;text-transform:uppercase;font-weight:650}.workflow-card h3{max-width:16ch;font-size:var(--text-lg);margin-block-end:var(--space-sm)}.workflow-card p{color:var(--color-ink-2);font-size:var(--text-sm);margin-block-end:var(--space-lg)}.workflow-card small{border-block-start:1px solid color-mix(in oklch, var(--color-ink) 45%, transparent);font-family:var(--font-mono);margin-block-start:auto;padding-block-start:var(--space-sm);font-size:.68rem;font-weight:600}.workflow-card__arrow{z-index:var(--z-raised);background:var(--color-paper);border:1px solid var(--color-ink);border-radius:var(--radius-pill);place-items:center;width:2rem;height:2rem;font-weight:750;display:grid;position:absolute;inset-block-start:50%;inset-inline-end:calc((var(--space-md) + var(--space-xs)) * -1);transform:translateY(-50%)}.workflow-throughline{align-items:center;gap:var(--space-sm) var(--space-md);padding:var(--space-md) var(--space-lg);color:var(--color-on-dark);background:var(--color-ink);border-radius:var(--radius-card);grid-template-columns:auto minmax(8rem,.8fr) auto auto minmax(7rem,.45fr) auto auto minmax(12rem,1.2fr);margin-block-start:var(--space-md);display:grid}.workflow-throughline span{color:color-mix(in oklch, var(--color-on-dark) 68%, var(--color-ink));font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;font-size:.67rem}.workflow-throughline strong{font-size:var(--text-sm)}.workflow-throughline i{color:var(--color-accent);font-style:normal}.research{padding-block:var(--space-2xl);background:var(--color-paper)}.research .section-intro h2{max-width:22ch;font-size:clamp(2rem,3.2vw,3.25rem)}.research .section-intro>p:last-child{font-size:var(--text-base)}.section-intro--split{align-items:end;gap:var(--space-xl);grid-template-columns:minmax(0,1.1fr) minmax(0,.75fr);display:grid}.section-intro--split>p{border-block-start:1px solid var(--color-ink);padding-block-start:var(--space-lg)}.metric-mosaic{gap:var(--space-md);grid-template-columns:repeat(4,minmax(0,1fr));margin-block-end:var(--space-xl);display:grid}.metric-tile{min-height:18rem;padding:var(--space-lg);border:1px solid var(--color-rule);border-radius:var(--radius-card-lg);transition:transform var(--dur-short) var(--ease-out);flex-direction:column;display:flex}.metric-tile:hover{transform:translateY(calc(var(--space-2xs) * -1))}.metric-tile--1{background:var(--color-paper-2);grid-column:auto}.metric-tile--2{background:var(--color-paper-cyan);grid-column:auto}.metric-tile--3{background:var(--color-paper-mint);grid-column:auto}.metric-tile--4{background:var(--color-paper-coral);grid-column:auto}.metric-tile>span,.metric-tile small{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.05em;text-transform:uppercase;font-weight:600}.metric-tile strong{margin-block:var(--space-lg) var(--space-md);font-family:var(--font-display);font-variant-numeric:tabular-nums;letter-spacing:-.07em;font-size:clamp(2.4rem,3.8vw,4rem);line-height:.9}.metric-tile h3{max-width:24ch;font-size:var(--text-md);margin-block-end:var(--space-sm)}.metric-tile p{max-width:58ch;color:var(--color-ink-2);font-size:var(--text-sm);margin-block-end:var(--space-md)}.metric-tile small{color:var(--color-muted);text-transform:none;font-size:.68rem}.results-sheet{padding:var(--space-xl);color:var(--color-on-dark);background:var(--color-ink);border-radius:var(--radius-card-lg)}.results-sheet__head{justify-content:space-between;align-items:end;gap:var(--space-lg);padding-block-end:var(--space-xl);display:flex}.results-sheet__head span{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.08em;text-transform:uppercase}.results-sheet__head h3{max-width:20ch;margin:var(--space-xs) 0 0;color:var(--color-on-dark);font-size:var(--text-2xl)}.results-sheet__head>p{color:color-mix(in oklch, var(--color-on-dark) 70%, var(--color-ink));font-family:var(--font-mono);font-size:var(--text-xs);text-align:end;margin:0}.table-wrap{border:1px solid var(--color-rule-dark);border-radius:var(--radius-card);overflow-x:auto}table{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%;min-width:42rem}th,td{padding:var(--space-md);border-block-end:1px solid var(--color-rule-dark);text-align:start}thead th{color:var(--color-accent);font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.05em;text-transform:uppercase;font-weight:600}tbody th{font-weight:600}tbody tr:last-child th,tbody tr:last-child td{border-block-end:0}.research-caveat{gap:var(--space-xl);grid-template-columns:minmax(0,.45fr) minmax(0,1fr);padding-block-start:var(--space-xl);display:grid}.research-caveat strong{color:var(--color-accent-3)}.research-caveat p{max-width:66ch;color:color-mix(in oklch, var(--color-on-dark) 76%, var(--color-ink));margin:0}.method-summary{align-items:start;gap:var(--space-xl) var(--space-2xl);padding:var(--space-xl);background:var(--color-paper-cyan);border:1px solid var(--color-rule);border-radius:var(--radius-card-lg);grid-template-columns:minmax(0,.78fr) minmax(0,1.22fr);margin-block-start:var(--space-xl);display:grid}.method-summary__intro .kicker{margin-block-end:var(--space-sm)}.method-summary__intro h3{max-width:22ch;font-size:var(--text-xl);margin-block-end:var(--space-md)}.method-summary__intro>p:last-child{max-width:52ch;color:var(--color-ink-2);margin:0}.method-summary__steps{gap:var(--space-sm);margin:0;padding:0;list-style:none;display:grid}.method-summary__steps li{gap:var(--space-md);border-block-end:1px solid var(--color-rule);grid-template-columns:auto minmax(0,1fr);padding-block-end:var(--space-sm);display:grid}.method-summary__steps li:last-child{border-block-end:0;padding-block-end:0}.method-summary__steps span{font-family:var(--font-mono);font-size:var(--text-xs);font-weight:700}.method-summary__steps p{color:var(--color-ink-2);margin:0}.method-summary>.btn{grid-column:2;justify-self:start}.methodology-page{min-height:100vh;background:var(--color-paper-2);padding-block-end:var(--space-3xl)}.methodology-nav{width:min(100% - (var(--page-gutter) * 2), var(--shell));justify-content:space-between;align-items:center;gap:var(--space-lg);border-block-end:1px solid var(--color-rule);min-height:4rem;margin-inline:auto;display:flex}.methodology-wordmark{font-size:var(--text-lg);letter-spacing:-.04em;font-weight:750;text-decoration:none}.methodology-wordmark span{color:var(--color-muted);font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;margin-inline-start:var(--space-sm);font-size:.62rem;font-weight:600}.methodology-note{width:min(100% - (var(--page-gutter) * 2), 76rem);margin-inline:auto}.methodology-hero{gap:var(--space-xl);padding-block:var(--space-3xl);grid-template-columns:minmax(0,1fr) minmax(15rem,.34fr);display:grid}.methodology-hero>.kicker,.methodology-hero>h1,.methodology-hero>p{grid-column:1}.methodology-hero 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var(--color-rule);border-radius:var(--radius-card)}.methodology-result-grid article:nth-child(2){background:var(--color-paper-cyan)}.methodology-result-grid article:nth-child(3){background:var(--color-paper-mint)}.methodology-result-grid strong{letter-spacing:-.06em;margin-block-end:var(--space-lg);font-size:clamp(2.5rem,5vw,4.5rem);line-height:.9;display:block}.methodology-result-grid h3{font-size:var(--text-md);margin-block-end:var(--space-sm)}.methodology-result-grid p{color:var(--color-ink-2);font-size:var(--text-sm);margin:0}.methodology-table-wrap{background:var(--color-ink);border-radius:var(--radius-card);overflow-x:auto}.methodology-table-wrap table{color:var(--color-on-dark)}.methodology-glossary{gap:var(--space-md);margin:var(--space-xl) 0 0;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.methodology-glossary>div{padding:var(--space-lg);background:var(--color-paper);border:1px solid var(--color-rule);border-radius:var(--radius-card)}.methodology-glossary 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