:root{--ink:#151813;--muted:#61665e;--line:#dce0d6;--accent:#52632d;--soft:#f4f6ef;--sans:'Space Grotesk',Arial,sans-serif;--mono:'IBM Plex Mono',monospace;color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;background:#fff;scroll-behavior:smooth;scroll-padding-top:110px}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-underline-offset:5px;text-decoration-thickness:1px}a:hover{color:var(--accent)}a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}h1,h2,h3,h4,p,figure{margin:0}img{max-width:100%;height:auto}h1,h2,h3,h4{line-height:1.15;font-weight:500}.shell{max-width:1248px;padding:0 40px;margin:auto}.eyebrow{font:400 .75rem/1.6 var(--mono);text-transform:uppercase;letter-spacing:.085em;color:var(--muted)}.skip-link{position:absolute;top:-100px;left:20px;z-index:20;background:white;padding:15px}.skip-link:focus{top:10px}.site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}.header-inner{max-width:1248px;margin:auto;padding:18px 40px;display:flex;align-items:center;justify-content:space-between;gap:30px}.wordmark{display:flex;align-items:center;gap:14px;text-decoration:none;font-size:2rem;font-weight:700;letter-spacing:-.07em;line-height:1}.wordmark span{font-size:.6875rem;font-weight:500;letter-spacing:.01em;line-height:1.3;border-left:1px solid var(--line);padding-left:14px}.desktop-nav{display:flex;gap:26px}.desktop-nav a{font-size:.875rem;text-decoration:none;display:flex;align-items:center;min-height:44px}.desktop-nav a:hover{text-decoration:underline}.mobile-menu{display:none}.hero{display:grid;grid-template-columns:1.45fr 1fr;gap:64px;padding:64px 0 72px;align-items:center}.affiliation{margin-bottom:24px}.affiliation span{padding:0 10px;color:#949c88}.hero h1{font-size:clamp(3.4rem,6.6vw,5.8rem);font-weight:600;line-height:.96;letter-spacing:-.06em}.hero h1 span{color:var(--accent)}.hero-description{font-size:1.125rem;line-height:1.65;max-width:530px;margin-top:26px}.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:24px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;padding:14px 20px;background:var(--accent);color:#fff;text-decoration:none;font-size:.875rem;min-height:48px}.button:hover{background:#39471e;color:white}.text-link{font-size:.875rem;font-weight:500;display:inline-block;padding:10px 0}.hero-art{background:var(--soft);padding:26px 30px 30px;min-height:430px;display:flex;flex-direction:column;justify-content:space-between;position:relative}.hero-art:before,.hero-art:after{content:'+';position:absolute;font:18px var(--mono);color:#8b967a}.hero-art:before{right:14px;top:14px}.hero-art:after{left:14px;bottom:14px}.hero-art img{width:100%;max-width:310px;aspect-ratio:1;object-fit:contain;align-self:center;mix-blend-mode:multiply;margin:8px 0}.hero-art figcaption{max-width:270px;font-size:.9375rem;line-height:1.5;padding-left:16px;border-left:2px solid var(--accent)}.section{border-top:1px solid var(--line);padding:44px 0 64px}.section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:24px;margin-bottom:32px}.section-title{display:flex;align-items:baseline;gap:18px}.section-title .eyebrow{color:var(--accent)}.section-heading h2{font-size:2rem;letter-spacing:-.045em}.section-heading>p{font-size:.875rem;color:var(--muted)}.project-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line)}.project-card{padding:26px 30px 30px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.project-index{font:.75rem var(--mono);color:var(--accent);display:block;margin-bottom:25px}.project-card h3{font-size:1.35rem;line-height:1.25;max-width:430px;letter-spacing:-.025em;margin-bottom:14px}.project-card p{color:var(--muted);max-width:460px;font-size:1rem}.publication-year{display:grid;grid-template-columns:140px 1fr;gap:24px;margin-top:24px}.year-label{font:400 1rem var(--mono);color:var(--accent);padding-top:23px}.paper{border-top:1px solid var(--line);padding:22px 0 25px}.paper h4{font-size:1.25rem;line-height:1.4;letter-spacing:-.025em;max-width:790px}.authors{color:var(--muted);font-size:.875rem;margin-top:8px}.paper-links{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:12px}.paper-links a{font-size:.875rem;color:var(--accent);padding:4px 0}.acs-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px 30px}.acs-team-category h3{font:400 .75rem/1.5 var(--mono);letter-spacing:.055em;text-transform:uppercase;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:20px;color:var(--muted)}.acs-people{display:grid;gap:18px}.acs-person{display:flex;align-items:center;gap:12px;min-width:0}.avatar{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:56px;height:56px;border-radius:50%;background:var(--soft);color:var(--accent);font:.875rem var(--mono);border:1px solid var(--line)}.acs-name{font-size:.9375rem;line-height:1.4}.acs-role{display:block;font-size:.8125rem;color:var(--muted);margin-top:4px}.acs-name a{color:inherit}.resource-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.resource-card{padding:30px;background:var(--soft);display:flex;align-items:flex-start;flex-direction:column}.resource-card h3{font-size:1.75rem;letter-spacing:-.035em;margin:24px 0 16px}.resource-card>p:not(.eyebrow){color:var(--muted);margin-bottom:20px}.resource-card .paper-links,.resource-card .text-link{margin-top:auto}.resource-card .text-link{color:var(--accent)}.insight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.insight{border-top:1px solid var(--line);padding-top:20px}.insight h3{font-size:1.125rem;line-height:1.45;margin-top:14px;letter-spacing:-.025em}.insight h3 a{text-decoration:none}.insight h3 a:hover{text-decoration:underline}.insight h3 span{color:var(--accent)}.insight .authors{font-size:.875rem;margin-top:14px}.support .acs-logo-line{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;align-items:center}.acs-chip a{height:100px;display:flex;align-items:center;justify-content:center;padding:16px}.acs-chip img{object-fit:contain;max-height:46px;max-width:135px;width:auto}.acs-chip img.acs-logo-telus{max-height:80px;max-width:220px}.contact-panel{background:var(--ink);color:white;padding:44px;display:flex;justify-content:space-between;gap:32px;align-items:flex-end;margin-bottom:30px}.contact-panel .eyebrow{color:#c0c9ad}.contact-panel h2{font-size:2.5rem;letter-spacing:-.045em;margin:14px 0 20px}.contact-email{font-size:1.25rem;text-decoration-color:#818c6f}.contact-panel a:hover{color:#d6e5b4}.contact-panel>p{font-size:.875rem;color:#c7ccc2;line-height:1.7}.footer{display:flex;justify-content:space-between;gap:20px;padding:0 0 28px;color:var(--muted);font:.75rem/1.6 var(--mono);text-transform:uppercase;letter-spacing:.03em}.archive-hero{padding:48px 0}.archive-hero .eyebrow{margin:40px 0 16px}.archive-hero h1{font-size:clamp(3rem,6vw,5rem);letter-spacing:-.06em}.archive-hero h1 span{color:var(--accent)}.archive-hero>p:last-child{max-width:680px;margin-top:22px;font-size:1.125rem;color:var(--muted)}.year-nav{display:flex;align-items:center;gap:28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0}.year-nav a{font-size:.875rem;color:var(--accent)}.archive-month{display:grid;grid-template-columns:220px 1fr;gap:40px;padding:36px 0;border-bottom:1px solid var(--line)}.archive-month h2{font-size:1.375rem;letter-spacing:-.03em;padding-top:4px}.discussion{padding:24px 0;border-top:1px solid var(--line)}.discussion:first-child{padding-top:0;border-top:0}.discussion h3{font-size:1.2rem;line-height:1.4;letter-spacing:-.02em;margin-top:10px}.archive-month:last-of-type{margin-bottom:32px}
@media(min-width:1500px){.hero{padding-top:80px;padding-bottom:88px}}
@media(max-width:1000px){.shell{padding:0 28px}.header-inner{padding:14px 28px}.hero{gap:32px}.hero-art{min-height:380px;padding:24px}.desktop-nav{gap:18px}.wordmark span{display:none}.section-heading>p{max-width:220px}.acs-grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.insight-grid{grid-template-columns:1fr 1fr}.support .acs-logo-line{grid-template-columns:1fr 1fr}.contact-panel{padding:32px}.contact-panel h2{font-size:2rem}}
@media(max-width:680px){:root{scroll-padding-top:90px}.shell{padding:0 20px}.header-inner{padding:12px 20px}.wordmark{font-size:1.7rem}.wordmark span{display:block}.desktop-nav{display:none}.mobile-menu{display:block}.mobile-menu summary{list-style:none;cursor:pointer;font-size:.875rem;min-height:44px;display:flex;align-items:center;gap:18px}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu nav{position:absolute;top:100%;left:0;right:0;background:white;border-bottom:1px solid var(--line);padding:12px 20px 20px;box-shadow:0 12px 20px #1518130a}.mobile-menu nav a{display:block;padding:12px 0;text-decoration:none;border-top:1px solid var(--line)}.hero{grid-template-columns:1fr;padding:36px 0 40px;gap:28px}.affiliation{font-size:.75rem;margin-bottom:22px}.hero h1{font-size:clamp(3.3rem,14vw,5rem)}.hero-description{font-size:1rem;line-height:1.65;margin-top:22px}.hero-actions{gap:12px 20px;margin-top:24px}.hero-art{min-height:0;display:grid;grid-template-columns:100px 1fr;gap:10px 16px;padding:18px 20px;align-items:center}.figure-label{grid-column:1/-1;font-size:.75rem}.hero-art img{width:100px;margin:0;grid-column:1;grid-row:2}.hero-art figcaption{font-size:.8125rem;padding-left:12px;grid-column:2;grid-row:2}.hero-art:after{display:none}.section{padding:30px 0 40px}.section-heading{display:block;margin-bottom:24px}.section-heading h2{font-size:1.625rem}.section-heading>p{max-width:none;margin:10px 0 0 35px;font-size:.875rem}.section-title{gap:16px}.project-grid,.resource-grid{grid-template-columns:1fr}.project-card{padding:24px}.project-index{margin-bottom:18px}.project-card h3{font-size:1.25rem}.project-card p{font-size:1rem}.publication-year{grid-template-columns:1fr;gap:12px}.year-label{padding-top:0}.paper h4{font-size:1.125rem}.acs-grid-3{grid-template-columns:1fr;gap:30px}.resource-card{padding:24px}.resource-card h3{font-size:1.5rem}.insight-grid{grid-template-columns:1fr;gap:28px}.support .acs-logo-line{gap:12px}.acs-chip a{padding:10px;height:88px}.acs-chip img{max-width:min(100%,135px);max-height:46px}.acs-chip img.acs-logo-telus{max-width:100%;max-height:64px}.contact-panel{padding:28px 24px;display:block}.contact-panel h2{font-size:2rem}.contact-panel>p{margin-top:28px}.contact-email{font-size:1.05rem}.footer{flex-wrap:wrap}.footer>span:first-child{flex-basis:100%}.archive-hero{padding:30px 0}.archive-hero .eyebrow{margin-top:30px}.archive-hero>p:last-child{font-size:1rem}.year-nav{gap:20px}.year-nav .eyebrow{font-size:.75rem}.archive-month{grid-template-columns:1fr;gap:24px;padding:28px 0}.archive-month h2{font-size:1.3rem}.discussion h3{font-size:1.125rem}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}}

/* The Darwin tree is the group's primary identity, across both pages. */
.wordmark .brand-tree{display:block;width:58px;height:58px;object-fit:contain;flex-shrink:0}
.wordmark span{display:block}
.hero-art{background:transparent;padding:12px 16px 24px;min-height:430px;justify-content:center;gap:20px}
.hero-art:before,.hero-art:after{display:none}
.hero-art img{max-width:370px;mix-blend-mode:normal;margin:0}
.hero-art figcaption{align-self:center;max-width:310px}
.archive-hero{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px;align-items:center}
.archive-tree{width:280px;object-fit:contain}
.archive-copy>p:last-child{max-width:680px;margin-top:22px;font-size:1.125rem;color:var(--muted)}
@media(max-width:1000px){.archive-hero{grid-template-columns:minmax(0,1fr) 200px;gap:24px}.archive-tree{width:200px}}
@media(max-width:680px){.wordmark .brand-tree{width:48px;height:48px}.hero-art{display:flex;min-height:0;padding:0 12px 12px;gap:18px}.hero-art img{width:230px;max-width:100%}.hero-art figcaption{font-size:.9375rem;max-width:290px}.archive-hero{grid-template-columns:1fr;gap:24px}.archive-tree{width:220px;justify-self:center}.archive-copy>p:last-child{font-size:1rem}}