@font-face{font-family:'DM Sans';src:url('/assets/fonts/dm-sans-400.woff2') format('woff2');font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:'Space Grotesk';src:url('/assets/fonts/space-grotesk-400.woff2') format('woff2');font-style:normal;font-weight:400;font-display:swap}

/* One type family (DM Sans) on one scale: 96 / 56 / 22 / 17 / 13. Space Grotesk is only the logo wordmark. */
:root{
  color-scheme:light;
  --paper:#f8f9f6;--ink:#020617;--text:#1d2420;--muted:#4f5853;--line:rgba(2,6,23,.1);--line-strong:rgba(2,6,23,.18);
  --sage:#4f6b55;--sage-2:#7f9e86;--glow:#a9d1b2;
  --night:#020617;--night-text:#e8eee9;--night-muted:#a3b0a8;--night-line:rgba(232,238,233,.13);
  --sans:'DM Sans',sans-serif;--brand:'Space Grotesk',sans-serif;--mono:ui-monospace,'SF Mono',Menlo,Consolas,monospace;
  --gutter:clamp(20px,4.5vw,64px);--section:clamp(96px,11vw,160px);
}
*{box-sizing:border-box}
html{scroll-padding-top:104px}
body{margin:0;background:var(--paper);color:var(--text);font:400 17px/1.6 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
a:focus-visible,button:focus-visible{outline:2px solid var(--sage);outline-offset:4px;border-radius:3px}
.night a:focus-visible{outline-color:var(--glow)}
p,h1,h2,h3,figure{margin:0}
ol{margin:0;padding:0;list-style:none}
b{font-weight:400}
h1,h2{font-family:var(--sans);font-weight:400;color:var(--ink);line-height:1.04;letter-spacing:-.035em;text-wrap:balance}
img{max-width:100%}
::selection{background:#d6e6d9;color:var(--ink)}
.wrap{width:min(1280px,calc(100% - var(--gutter)*2));margin-inline:auto}
.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px}
.skip-link{position:fixed;top:12px;left:16px;transform:translateY(-200%);background:var(--ink);color:#fff;padding:12px 20px;border-radius:999px;z-index:10}
.skip-link:focus{transform:none}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}

/* Logo: the supplied Leadpoet mark and Space Grotesk wordmark, in one ink color. */
.logo{display:inline-flex;align-items:center;gap:.375em;font:400 21px/1 var(--brand);color:var(--ink);white-space:nowrap}
.logo img{width:1.714em;height:auto}
.logo span{position:relative;top:.067em}
.logo-small{font-size:16px}

/* Controls: pill buttons for the two calls to action (contribute, early access); text links elsewhere. */
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px 32px}
.button{display:inline-flex;align-items:center;gap:12px;min-height:48px;padding:0 24px;border:1px solid var(--line-strong);border-radius:999px;font-size:15px;line-height:1;color:var(--ink);transition:border-color .2s,background-color .2s}
.button:hover{border-color:var(--ink)}
.button-solid{background:var(--ink);border-color:var(--ink);color:#fff}
.button-solid:hover{background:#1c2a22;border-color:#1c2a22}
.text-link{display:inline-block;padding:4px 0;font-size:16px;color:var(--ink);text-decoration:underline;text-decoration-color:var(--line-strong);text-underline-offset:7px;transition:text-decoration-color .2s}
.text-link:hover{text-decoration-color:currentColor}

/* Header */
.header{position:sticky;top:0;z-index:20;height:88px;display:flex;align-items:center;justify-content:space-between;gap:24px;background:var(--paper);border-bottom:1px solid var(--line)}
.header.wrap{width:auto;margin:0;padding-inline:max(var(--gutter),calc((100% - 1280px)/2))}
.header nav{display:flex;align-items:center;gap:32px;font-size:15px;color:var(--muted)}
.header nav a{padding:6px 0;transition:color .2s}
.header nav a:hover{color:var(--ink)}
.header nav .nav-cta{padding:9px 18px;border-radius:999px;background:var(--ink);color:#fff;transition:background-color .2s}
.header nav .nav-cta:hover{background:#1c2a22;color:#fff}

/* Hero: 5/7 split, the sculpture large and bleeding toward the edge. */
.hero{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;align-items:center;min-height:min(calc(100svh - 88px),860px);padding-block:clamp(16px,3vh,40px) 48px}
.hero-copy{grid-column:1/span 5;position:relative;z-index:1}
.hero h1{font-size:clamp(52px,6.6vw,96px);letter-spacing:-.045em;line-height:1}
.hero-intro{max-width:24em;margin-top:28px;font-size:clamp(18px,1.55vw,22px);line-height:1.5;color:var(--muted);text-wrap:pretty}
.hero .actions{margin-top:40px}
.hero-figure{grid-column:6/-1;position:relative;width:calc(100% + 40px);max-width:820px;justify-self:end;margin-right:-40px}
.research-motion{position:relative;aspect-ratio:520/470;width:100%}
.research-motion canvas,.motion-fallback{position:absolute;inset:0;display:block;width:100%;height:100%}
.research-motion canvas{visibility:hidden}
.motion-ready canvas{visibility:visible}
.motion-ready .motion-fallback{visibility:hidden}
/* Pause controls stay available to keyboard and screen-reader users (WCAG 2.2.2) but only appear on focus. */
.motion-control{position:absolute;right:0;bottom:0}
.hero-figure .motion-control{right:40px}
.motion-toggle{position:absolute;right:0;bottom:0;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0;background:var(--paper);font:400 13px/1 var(--sans);color:var(--ink);cursor:pointer}
.motion-toggle:focus-visible{width:auto;height:auto;padding:9px 16px;overflow:visible;clip-path:none;border:1px solid var(--line-strong);border-radius:999px}
.motion-toggle[hidden]{display:none}
.motion-toggle svg{display:none}
.motion-toggle::after{content:'Pause animation'}
.motion-toggle[aria-pressed="true"]::after{content:'Play animation'}
.motion-paused svg *{animation-play-state:paused!important}

/* The lab's angle, stated once. */
.thesis{padding-top:clamp(88px,9vw,120px)}
.thesis p{max-width:11em;font-size:clamp(52px,9vw,136px);line-height:.98;letter-spacing:-.05em;color:var(--ink)}
.thesis+.chapter{padding-top:clamp(56px,6vw,72px)}

/* Chapters */
.chapter{padding-block:var(--section)}
.split{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;row-gap:28px;align-items:start}
.split h2{grid-column:1/span 6}
.split-copy{grid-column:7/-1;padding-top:8px}
.chapter h2,.night h2,.join h2{font-size:clamp(34px,4vw,56px)}
.split-copy p{max-width:32em;color:var(--muted)}
.split-copy p+p{margin-top:20px}
.split-copy .text-link{margin-top:22px}
.split-copy .large-copy{font-size:clamp(19px,1.6vw,22px);line-height:1.45;letter-spacing:-.01em;color:var(--ink)}
.figure{margin-top:clamp(56px,6vw,88px)}
.art{display:block;width:100%;height:auto;overflow:hidden}

/* Night chapter */
.night{background:var(--night);color:var(--night-text);overflow:hidden}
.night-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;align-items:center;padding-block:var(--section)}
.night-grid>div{grid-column:1/span 5}
.night h2{color:#fff}
.lede{max-width:30em;margin-top:24px;font-size:clamp(17px,1.4vw,19px);line-height:1.55;color:var(--night-muted)}
.steps{margin-top:44px;border-top:1px solid var(--night-line)}
.steps li{display:grid;grid-template-columns:36px 1fr;padding:18px 0;border-bottom:1px solid var(--night-line);font-size:17px;color:rgba(232,238,233,.78)}
.steps span{padding-top:3px;font:400 13px/1.6 var(--mono);color:var(--night-muted)}
.criteria{max-width:30em;margin-top:28px;font-size:17px;line-height:1.6;color:rgba(232,238,233,.78)}
.criteria b{color:#fff}
.steps b{color:#fff}
.orbit{grid-column:7/-1;width:100%;max-width:600px;justify-self:end}

/* Competition: copy and a cited result beside the competition field (Fig. 3). */
.competition{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;align-items:center;padding-block:var(--section) clamp(72px,8vw,112px)}
.competition-copy{grid-column:1/span 5}
.competition h2{font-size:clamp(34px,4vw,56px)}
.competition-intro{max-width:30em;margin-top:24px;color:var(--muted)}
.result{margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.result-label{margin-top:12px;font-size:13px;color:var(--muted)}
.result .text-link{margin-top:20px;font-size:15px}
.competition-figure{grid-column:7/-1;min-width:0;position:relative}
.competition-motion{position:relative;aspect-ratio:720/400;width:100%}
.competition-motion canvas,.competition-fallback{position:absolute;inset:0;display:block;width:100%;height:100%}
.competition-motion canvas{visibility:hidden}
.competition-ready canvas{visibility:visible}
.competition-ready .competition-fallback{visibility:hidden}

/* Featured research: an editorial row led by one trajectory. */
.feature{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;row-gap:40px;align-items:center;padding-block:clamp(64px,7vw,96px) var(--section);border-top:1px solid var(--line)}
.feature-art{grid-column:1/span 7}
.feature-copy{grid-column:9/-1}
.feature-copy h2{font-size:clamp(32px,3.6vw,52px);letter-spacing:-.04em}
.feature-copy p{max-width:30em;margin-top:18px;color:var(--muted)}
.feature-copy .feature-meta{margin-top:20px;font:400 13px var(--mono);color:var(--muted)}
.feature-copy .text-link{margin-top:24px}

/* Join */
.join{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;row-gap:28px;align-items:end;padding:var(--section) 0;border-top:1px solid var(--line)}
.join{align-items:start}
.join h2{grid-column:1/-1;max-width:12em}
.paths{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:clamp(32px,4vw,56px)}
.path{display:flex;flex-direction:column;align-items:flex-start;padding:28px 0 0;border-top:1px solid var(--ink)}
.path h3{font:400 24px/1.2 var(--sans);letter-spacing:-.02em;color:var(--ink)}
.path p{margin-top:8px;color:var(--muted)}
.path>.button{margin-top:auto}
.path>p+.button{margin-top:24px}

/* Early-access sign-up: email and submit on one line; scripts confirm in place. */
.path .signup{width:100%;margin-top:24px}
.signup-fields{display:flex;gap:10px;max-width:560px}
.signup input[type="email"]{flex:1;min-width:0;min-height:48px;padding:0 20px;border:1px solid var(--line-strong);border-radius:999px;background:#fff;font:400 15px var(--sans);color:var(--ink);transition:border-color .2s}
.signup input[type="email"]::placeholder{color:#6b746e}
.signup input[type="email"]:hover{border-color:rgba(2,6,23,.35)}
.signup input[type="email"]:focus-visible{outline:2px solid var(--sage);outline-offset:2px;border-color:var(--ink)}
.signup .button{flex:none;grid-column:auto;grid-row:auto}
.signup .button:disabled{opacity:.6;cursor:progress}
.signup-trap{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.signup-note{margin-top:12px;font-size:13px;color:var(--muted)}
.signup-note a{text-decoration:underline;text-underline-offset:3px}
.signup-status{font-size:15px;color:var(--ink)}
.signup-status:not(:empty){margin-top:12px}
.signup[data-state="error"] .signup-status{color:#9a2f22}
.signup[data-state="done"] .signup-fields,.signup[data-state="done"] .signup-note{display:none}
.signup[data-state="done"] .signup-status{margin-top:0;font-size:17px}

/* Footer and simple pages */
.footer-main{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;row-gap:40px;padding:56px 0 48px;border-top:1px solid var(--line)}
.footer-main .logo{grid-column:1/span 4;align-self:start}
.footer-note{grid-column:1/span 4;grid-row:2;margin-top:-28px;font-size:14px;color:var(--muted)}
.footer-note a{text-decoration:underline;text-decoration-color:var(--line-strong);text-underline-offset:3px}
.footer-note a:hover{color:var(--ink)}
.footer-cols{grid-column:7/-1;grid-row:1/span 2;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.footer-cols div{display:flex;flex-direction:column;align-items:flex-start;gap:10px;font-size:14px}
.footer-cols p{margin-bottom:4px;color:var(--ink)}
.footer-cols a{color:var(--muted);transition:color .2s}
.footer-cols a:hover{color:var(--ink)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;padding:20px 0 28px;border-top:1px solid var(--line);font:400 12px var(--mono);color:var(--muted)}
.document{max-width:760px;padding-top:72px;padding-bottom:110px;min-height:65vh}
.document h1{font-size:clamp(44px,6vw,72px);margin-bottom:28px}
.document .meta{margin:-12px 0 28px;font-size:14px;color:var(--muted)}
.document h2{font-size:24px;letter-spacing:-.02em;margin:40px 0 12px}
.document p{color:var(--muted);margin-bottom:20px}
.document a:not(.button){text-decoration:underline;text-underline-offset:4px}
.document .button{margin-top:12px}

/* Research article: a contents column beside one reading column, as in a paper. */
.article{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;padding-block:clamp(56px,7vw,104px) var(--section)}
.article-head{grid-column:1/-1;margin-bottom:clamp(56px,7vw,96px)}
.article-head h1{max-width:13em;font-size:clamp(40px,5.4vw,76px);letter-spacing:-.045em;line-height:1}
.article-meta{margin-top:24px;font:400 13px var(--mono);color:var(--muted)}
.article-lead{max-width:34em;margin-top:28px;font-size:clamp(19px,1.6vw,22px);line-height:1.5;color:var(--ink);text-wrap:pretty}
.toc{grid-column:1/span 3;align-self:start;position:sticky;top:32px;font-size:14px}
.toc p{margin-bottom:12px;color:var(--ink)}
.toc ol{border-left:1px solid var(--line);counter-reset:toc}
.toc li{counter-increment:toc}
.toc a{display:flex;gap:10px;margin-left:-1px;padding:6px 0 6px 16px;border-left:1px solid transparent;color:var(--muted);transition:color .2s,border-color .2s}
.toc a::before{content:counter(toc);flex:none;width:1.4em;font:400 12px/1.9 var(--mono);color:#7b847e}
.toc a:hover,.toc a[aria-current]{color:var(--ink);border-left-color:var(--ink)}
.article-body{grid-column:5/span 7;max-width:680px}
.article-body section+section{margin-top:clamp(48px,5vw,64px)}
.article-body h2{display:flex;gap:16px;font-size:clamp(24px,2.2vw,30px);line-height:1.2;letter-spacing:-.025em}
.article-body h2 .n{padding-top:.45em;font:400 14px/1 var(--mono);color:#6b746e}
.article-body p{margin-top:16px;font-size:18px;line-height:1.7;color:var(--text);text-wrap:pretty}
.questions{margin:20px 0 0;padding:0;list-style:none;border-top:1px solid var(--line)}
.questions li{padding:16px 0;border-bottom:1px solid var(--line);font-size:18px;line-height:1.6;color:var(--text)}
.questions b{color:var(--ink)}
.cite{margin-left:2px;font-size:.8em;vertical-align:super;line-height:0;color:var(--sage)}
.cite:hover{text-decoration:underline}
.article-cta{padding-top:clamp(40px,5vw,56px);border-top:1px solid var(--line)}
.article-cta .actions{margin-top:24px}
.refs h2{font-size:16px;letter-spacing:0}
.refs ol{margin-top:12px;padding-left:20px;font-size:14px;line-height:1.6;color:var(--muted)}
.refs a{text-decoration:underline;text-underline-offset:3px}
.refs li:target{color:var(--ink)}
.header nav a[aria-current="page"]{color:var(--ink)}
.article-art{margin:32px 0 0}
.article-art-dark{padding:clamp(16px,3vw,32px) clamp(16px,3vw,32px) 20px;background:var(--night);border-radius:6px}
.article-art figcaption{margin-top:14px;font-size:14px;line-height:1.55;color:var(--muted)}
.article-art figcaption span{color:var(--ink)}
.article-art-dark figcaption{color:var(--night-muted)}
.article-art-dark figcaption span{color:#fff}


/* Illustrations: shared strokes */
.ring,.axis path,.links path,.spokes{fill:none;vector-effect:non-scaling-stroke}
/* Dash patterns sized with pathLength must scale with the circle, or the ring shows a seam. */
.ring-dash{vector-effect:none}
.pulses path{fill:none;stroke-linecap:round;stroke-dasharray:1.2 98.8;stroke-dashoffset:100}

/* Fig. 1: signals */
.axis path{stroke:var(--line)}
.sig{fill:none;stroke:var(--ink);stroke-linecap:round}
.sig-0{stroke-width:3;stroke-opacity:.16}.sig-1{stroke-width:4;stroke-opacity:.28}.sig-2{stroke-width:5.5;stroke-opacity:.42}
.art-signal .links path{stroke:var(--sage);stroke-opacity:.35}
.art-signal .pulses path{stroke:var(--sage);stroke-width:4;stroke-dasharray:.2 99.8}
.evidence circle{fill:var(--paper);stroke:var(--sage);stroke-width:1.5}
.evidence path{stroke:var(--sage);stroke-width:5;stroke-linecap:round}
.decision{fill:var(--ink)}

/* The system flywheel (approach section and research Figure 1) */
.sys-ticks,.sys-arc,.sys-head{fill:none;vector-effect:non-scaling-stroke}
.sys-crowd{fill:none;stroke:var(--night-text);stroke-opacity:.6;stroke-width:4;stroke-linecap:round}
.sys-ticks{stroke:var(--night-text);stroke-opacity:.18}
.sys-arc{stroke:var(--glow);stroke-opacity:.6;stroke-width:1.5}
.sys-head{stroke:var(--glow);stroke-opacity:.85;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.sys-arc-future{stroke-opacity:.4;stroke-dasharray:3 6}
.sys-ring{fill:var(--night);stroke:var(--glow);stroke-opacity:.6;stroke-width:1.5}
.sys-ring.sys-future{stroke-opacity:.45;stroke-dasharray:6 8}
.sys-node{fill:#fff}
.sys-node.sys-future{fill:var(--night);stroke:#fff;stroke-width:1.5}
.sys-label{font:400 24px var(--sans);letter-spacing:-.01em;fill:var(--night-text)}
.sys-label.sys-future{fill:var(--night-muted)}
.art-system .pulses path{stroke:var(--glow);stroke-width:3;stroke-dasharray:4 96}
.art-system .sys-flow path{stroke:#fff;stroke-width:4;stroke-dasharray:.8 99.2}

/* ImageNet series: real yearly results, one line */
.result-chart{margin-top:8px}
.result-chart .art{max-width:560px}
.im-base{stroke:var(--line-strong);stroke-width:1;fill:none}
.im-line{fill:none;stroke:var(--ink);stroke-width:1.5;stroke-linejoin:round}
.im-dot{fill:var(--ink)}
.im-dot.im-last{fill:var(--sage)}
.im-value{font:400 15px var(--mono);fill:var(--ink)}
.im-value.im-last{fill:var(--sage)}
.im-year{font:400 13px var(--mono);fill:var(--muted)}

/* One trajectory, as a reader would inspect it */
.specimen{overflow:hidden;background:var(--night);color:var(--night-text);border-radius:8px;font-size:15px;line-height:1.5}
.specimen-bar{display:flex;justify-content:space-between;padding:14px 22px;border-bottom:1px solid var(--night-line);font:400 12px/1 var(--mono);letter-spacing:.04em;color:var(--night-muted)}
.specimen-row{display:grid;grid-template-columns:96px 1fr;gap:16px;padding:16px 22px;border-bottom:1px solid var(--night-line)}
.specimen-row p{color:#fff}
.specimen-key{padding-top:3px;font:400 12px/1.5 var(--mono);color:var(--night-muted)}
.specimen-steps{padding:8px 22px;border-bottom:1px solid var(--night-line)}
.specimen-steps li{display:grid;grid-template-columns:28px 64px 1fr;gap:8px;padding:7px 0;color:rgba(232,238,233,.82)}
.specimen-steps li>span:last-child,.specimen-src{min-width:0;overflow-wrap:anywhere}
.specimen-n{font:400 12px/1.9 var(--mono);color:var(--night-muted)}
.specimen-tool{font:400 13px/1.75 var(--mono);color:var(--glow)}
.specimen-src{display:block;margin-top:4px;font:400 12px var(--mono);color:var(--night-muted)}
.specimen-judgment{border-bottom:0}
.specimen-judgment p{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:7px;padding:4px 10px;border:1px solid var(--night-line);border-radius:999px;font:400 12px/1.4 var(--mono);color:var(--night-text)}
.chip::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--glow)}
.chip-kept{border-color:var(--glow);color:var(--glow)}
.chip-kept::before{background:var(--glow)}

/* Motion: only when the visitor allows it. Illustrations flow; nothing spins, pulses, or blurs. */
@media (prefers-reduced-motion:no-preference){
  html{scroll-behavior:smooth}
  .pulses path{animation:flow var(--dur,10s) linear infinite}
  .t1{--dur:12s}.t2{--dur:8.5s}.t3{--dur:14s}
  .art-system .pulses path{--dur:5.4s}.art-system .pulses .t1{--dur:6.2s}.art-system .pulses .t2{--dur:4.6s}.art-system .pulses .t3{--dur:7s}
  .art-system .sys-flow path{--dur:3.6s}.art-system .sys-flow .t1{--dur:4.2s}.art-system .sys-flow .t2{--dur:3.2s}.art-system .sys-flow .t3{--dur:4.6s}
  .pulses .o1{animation-delay:-1.4s}.pulses .o2{animation-delay:-2.9s}.pulses .o3{animation-delay:-4.1s}.pulses .o4{animation-delay:-5.6s}.pulses .o5{animation-delay:-6.8s}.pulses .o6{animation-delay:-8.3s}.pulses .o7{animation-delay:-9.7s}
  @supports (animation-timeline:view()){
    .reveal{animation:appear linear both;animation-timeline:view();animation-range:entry 0% entry 35%}
  }
}
@keyframes flow{to{stroke-dashoffset:0}}
@keyframes appear{from{opacity:0}to{opacity:1}}
@media (prefers-reduced-motion:reduce){.pulses,.motion-toggle{display:none}}

/* Tablet */
@media (max-width:1020px){
  .header nav a:not(:last-child){display:none}
  .feature-art,.feature-copy{grid-column:1/-1}
  .footer-note{grid-row:auto;margin-top:-24px}
  .footer-cols{grid-row:auto}
  .footer-main .logo,.footer-cols{grid-column:1/-1}
  .hero{min-height:0;padding-top:24px;row-gap:8px}
  .hero-copy,.hero-figure,.split h2,.split-copy,.night-grid>div,.orbit,.competition-copy,.competition-figure,.join h2,.paths{grid-column:1/-1}
  .competition-figure{margin-top:48px}
  .hero-figure{justify-self:center;width:100%;max-width:600px;margin:0}
  .hero-figure .motion-control{right:0}
  .split-copy{padding-top:0}
  .orbit{justify-self:center;max-width:560px;margin-top:48px}
  .toc,.article-body{grid-column:1/-1}
  .toc{position:static;margin-bottom:48px}
}

/* Phone */
@media (max-width:640px){
  body{font-size:16px}
  .header{height:68px}
  .header nav .nav-cta{padding:8px 14px;font-size:14px}
  .logo{font-size:19px}
  .hero h1{font-size:clamp(42px,12vw,54px)}
  .hero .actions{margin-top:28px;flex-direction:column;align-items:stretch}
  .hero .actions .button{justify-content:center}
  .paths{grid-template-columns:1fr}
  .specimen-row{grid-template-columns:1fr;gap:4px}
  .specimen-steps li{grid-template-columns:24px 52px 1fr}
  .hero-figure{max-width:440px}
  .chapter h2,.night h2,.competition h2,.join h2{font-size:clamp(32px,9vw,40px)}
  .thesis p{font-size:clamp(44px,13vw,60px)}
  .article-body p,.questions li{font-size:17px}
  /* Crop wide figures to their most telling part instead of shrinking them. */
  #research .figure{overflow:hidden}
  .art-signal{width:170%;max-width:none;margin-left:-70%}
  .path{align-items:stretch}
  .path .button{justify-content:center}
  .signup .button{margin-top:0}
  .signup-fields{flex-direction:column}
  .signup .button{justify-content:center}
  .footer-cols{grid-template-columns:1fr 1fr}
}