/* Built Around Us. Light, quiet pages: slate type on paper, copper for the one thing that matters on each screen. */
@font-face{font-family:'Instrument Sans';font-weight:400;font-display:swap;src:url(fonts/instrument-sans-latin-400-normal.woff2) format('woff2')}
@font-face{font-family:'Instrument Sans';font-weight:500;font-display:swap;src:url(fonts/instrument-sans-latin-500-normal.woff2) format('woff2')}
@font-face{font-family:'Instrument Sans';font-weight:600;font-display:swap;src:url(fonts/instrument-sans-latin-600-normal.woff2) format('woff2')}
@font-face{font-family:'Instrument Sans';font-weight:700;font-display:swap;src:url(fonts/instrument-sans-latin-700-normal.woff2) format('woff2')}
@font-face{font-family:'Source Serif 4';font-weight:400;font-display:swap;src:url(fonts/source-serif-4-latin-400-normal.woff2) format('woff2')}
@font-face{font-family:'Source Serif 4';font-weight:400;font-style:italic;font-display:swap;src:url(fonts/source-serif-4-latin-400-italic.woff2) format('woff2')}
@font-face{font-family:'Source Serif 4';font-weight:600;font-display:swap;src:url(fonts/source-serif-4-latin-600-normal.woff2) format('woff2')}

:root{
  --paper:#F8F9F8; --stone:#EDEFEE; --mist:#DDE2E2; --ink:#1C2530; --pebble:#57616A; --copper:#B0603A; --accent:#94502C;
  --sans:'Instrument Sans','Helvetica Neue',Arial,sans-serif;
  --serif:'Source Serif 4',Georgia,'Times New Roman',serif;
  --measure:40rem; --wide:68rem;
  color-scheme:light;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--serif);font-size:1.0625rem;line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
.wrap{max-width:var(--wide);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
@media (min-width:720px){.wrap{padding-left:max(40px,env(safe-area-inset-left,0px));padding-right:max(40px,env(safe-area-inset-right,0px))}}
a{color:var(--accent);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
h1,h2,h3,.sans{font-family:var(--sans)}
h1,h2,h3{text-wrap:balance;margin:0}
p{margin:0}
.muted{color:var(--pebble)}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.skip{position:absolute;left:-999px;top:0}
.skip:focus{left:16px;top:16px;background:var(--ink);color:var(--paper);padding:8px 12px;z-index:20;font-family:var(--sans)}

/* header */
.top{border-bottom:1px solid var(--mist);background:var(--paper)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px 24px;padding-block:14px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font:600 1.0625rem/1 var(--sans);letter-spacing:-0.01em}
.brand svg{width:24px;height:28px;flex:none}
.nav{display:flex;align-items:center;gap:8px 22px;flex-wrap:wrap;font:500 .9375rem/1.4 var(--sans)}
.nav a{color:var(--pebble);text-decoration:none}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink)}
.nav a[aria-current="page"]{text-decoration:underline;text-decoration-color:var(--copper);text-decoration-thickness:2px;text-underline-offset:6px}
.nav a.btn{color:var(--paper);padding:10px 14px;font-size:.875rem}
@media (max-width:520px){.nav .hide-sm{display:none}}

/* type */
h1{font-weight:700;font-size:clamp(2.5rem,6.4vw,4.5rem);line-height:1.02;letter-spacing:-0.03em}
h1 em{font-style:normal;color:var(--accent)}
.page h1{font-size:clamp(2.1rem,4.6vw,3.2rem)}
h2{font-weight:600;font-size:clamp(1.6rem,3.2vw,2.1rem);line-height:1.12;letter-spacing:-0.02em}
h3{font-weight:600;font-size:1.1875rem;line-height:1.25;letter-spacing:-0.01em}
.lead{font-size:1.25rem;line-height:1.55;max-width:var(--measure)}
.prose{display:grid;gap:14px;max-width:var(--measure)}
.prose h2{margin-top:18px}
.prose ul{margin:0;padding-left:20px;display:grid;gap:6px}
.note{font:500 .875rem/1.5 var(--sans);color:var(--pebble);max-width:var(--measure)}
.crumb{font:500 .875rem var(--sans)}
.crumb a{color:var(--pebble)}

/* sections */
.sec .wrap{padding-block:64px;display:grid;gap:28px}
.sec + .sec .wrap{border-top:1px solid var(--mist)}
.sec.band{background:var(--stone)}
.sec.band + .sec .wrap,.sec + .sec.band .wrap{border-top:0}
.sechead{display:grid;gap:12px;max-width:var(--measure)}
.sechead p{color:var(--pebble)}
.sechead .lead{color:var(--ink)}

/* hero */
.hero .wrap{display:grid;gap:32px;padding-block:56px 64px}
.hero .copy{display:grid;gap:24px;max-width:46rem}
.hero .mark{display:none}
@media (min-width:900px){
  .hero .wrap{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:72px;padding-block:104px 96px}
  .hero .mark{display:block;width:220px;height:251px}
}

/* buttons */
.actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 .9375rem/1 var(--sans);padding:14px 20px;border-radius:999px;text-decoration:none;border:1px solid var(--ink);color:var(--ink);background:transparent;cursor:pointer}
.btn.primary{background:var(--ink);color:var(--paper)}
.btn:hover{border-color:var(--accent);text-decoration:none}
.btn.primary:hover{background:var(--accent);border-color:var(--accent);color:var(--paper)}
.ext{width:12px;height:12px;flex:none}
a.inline .ext{display:inline;width:.65em;height:.65em;margin-left:.25em}

/* stats */
.stats{display:grid;gap:20px;grid-template-columns:minmax(0,1fr)}
@media (min-width:760px){.stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}}
.stats.four{grid-template-columns:minmax(0,1fr)}
@media (min-width:640px){.stats.four{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1000px){.stats.four{grid-template-columns:repeat(4,minmax(0,1fr))}}
.stat{border-top:2px solid var(--ink);padding-top:14px;display:grid;gap:8px;align-content:start;min-width:0}
.stat .n{font:700 2.5rem/1 var(--sans);letter-spacing:-0.03em;font-variant-numeric:tabular-nums}
.stat .n small{font-size:1.25rem;letter-spacing:-0.01em;color:var(--pebble);font-weight:600}
.stat p{font-size:1rem;line-height:1.5}
.stat .src{font:500 .8125rem/1.4 var(--sans);color:var(--pebble)}
.stat .src a{color:var(--pebble)}
.why{display:grid;gap:14px;max-width:var(--measure)}

/* beliefs */
.beliefs{list-style:none;margin:0;padding:0;border-top:1px solid var(--ink);max-width:46rem}
.beliefs li{position:relative;padding:15px 0 15px 30px;border-bottom:1px solid var(--mist);font-size:1.125rem;line-height:1.45}
.beliefs li::before{content:"";position:absolute;left:4px;top:calc(15px + .45em);width:10px;height:10px;border-radius:50%;background:var(--copper)}

/* about */
.about{display:grid;gap:28px;align-items:start}
.about img{width:160px;height:160px;border-radius:50%;display:block}
@media (min-width:760px){.about{grid-template-columns:220px minmax(0,1fr);gap:56px}.about img{width:220px;height:220px}}
.creds{font:500 .875rem/1.5 var(--sans);color:var(--pebble)}

/* how I help */
.help{border-top:1px solid var(--ink)}
.help .row{display:grid;gap:4px 40px;padding:18px 0;border-bottom:1px solid var(--mist)}
@media (min-width:760px){.help .row{grid-template-columns:16rem minmax(0,1fr)}}
.help h3{font-size:1.125rem;line-height:1.35}
.help p{font-size:1.0625rem;line-height:1.55;max-width:var(--measure)}

/* start here */
.start{display:grid;gap:24px}
@media (min-width:880px){.start{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:40px;align-items:start}}
.scard{background:var(--stone);border:1px solid var(--mist);border-radius:16px;padding:32px 28px;display:grid;gap:16px;align-content:start}
@media (min-width:720px){.scard{padding:40px}}
.scard > svg{width:42px;height:48px}
.scard h3{font-size:clamp(1.5rem,3vw,1.875rem);letter-spacing:-0.02em;line-height:1.15}
.scard p{max-width:34rem}
.scard .url{font:600 .9375rem var(--sans);color:var(--pebble)}
.direct{display:grid;gap:14px;align-content:start;padding-top:8px}
.direct h3{font-size:1.125rem}
.direct dl{margin:0;display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px 18px;font:500 1rem/1.5 var(--sans)}
.direct dt{color:var(--pebble)}
.direct dd{margin:0;overflow-wrap:anywhere}
.direct dd a{color:var(--ink)}

/* cards */
.cards{display:grid;gap:14px;grid-template-columns:minmax(0,1fr)}
@media (min-width:800px){.cards{grid-template-columns:repeat(3,minmax(0,1fr))}}
.card{display:grid;gap:8px;align-content:start;padding:22px;border:1px solid var(--mist);border-radius:12px;text-decoration:none;color:var(--ink);background:var(--paper);min-width:0}
.card:hover{border-color:var(--pebble)}
.card b{font:600 1.125rem/1.3 var(--sans);letter-spacing:-0.01em}
.card span{font-size:.9375rem;line-height:1.5;color:var(--pebble)}
.card i{font:600 .875rem var(--sans);font-style:normal;color:var(--accent)}

/* research pages */
.filters{display:flex;flex-wrap:wrap;gap:8px}
.chip{font:500 .875rem/1 var(--sans);padding:9px 14px;border-radius:999px;border:1px solid var(--mist);background:var(--paper);color:var(--ink);cursor:pointer}
.chip:hover{border-color:var(--pebble)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.search{display:grid;gap:8px;max-width:32rem}
input[type=text]{font:400 1rem var(--sans);color:var(--ink);background:var(--paper);border:1px solid var(--pebble);border-radius:8px;padding:11px 12px;width:100%}
.count{font:500 .875rem var(--sans);color:var(--pebble)}
.rows{display:grid;gap:0;border-top:1px solid var(--mist)}
.rows details{border-bottom:1px solid var(--mist);padding:12px 0}
.rows summary{cursor:pointer;font:600 1rem/1.4 var(--sans);display:flex;gap:12px;justify-content:space-between;flex-wrap:wrap}
.rows summary span{font-weight:500;color:var(--pebble);font-variant-numeric:tabular-nums}
.rows details p{margin-top:8px;font-size:.9375rem}
.notice{border-left:3px solid var(--copper);padding:12px 16px;background:var(--stone);border-radius:0 8px 8px 0;max-width:var(--measure);font-size:1rem}
.judge{display:grid;gap:14px;grid-template-columns:minmax(0,1fr)}
@media (min-width:900px){.judge{grid-template-columns:repeat(3,minmax(0,1fr))}}
.judge article{border:1px solid var(--mist);border-radius:12px;padding:18px;display:grid;gap:8px;align-content:start;min-width:0}
.judge .tag{font:600 .8125rem var(--sans);color:var(--pebble)}
.judge b{font:700 1.375rem/1.15 var(--sans);letter-spacing:-0.02em}
.judge p{font-size:.9375rem;line-height:1.5}
.judge summary{cursor:pointer;font:500 .875rem var(--sans);color:var(--accent)}
.recs{display:grid;border-top:1px solid var(--mist)}
.rec{border-bottom:1px solid var(--mist);padding:14px 0}
.rec summary{cursor:pointer;display:grid;gap:6px}
.rec summary b{font:600 1.0625rem/1.35 var(--sans)}
.meta{display:flex;flex-wrap:wrap;gap:6px 12px;font:500 .8125rem var(--sans);color:var(--pebble)}
.pill{border:1px solid var(--mist);border-radius:999px;padding:2px 8px}
.rec dl{display:grid;grid-template-columns:minmax(0,1fr);gap:4px 18px;margin:12px 0 0;font-size:.9375rem;line-height:1.5}
@media (min-width:720px){.rec dl{grid-template-columns:9rem minmax(0,1fr)}}
.rec dt{font:600 .8125rem/1.6 var(--sans);color:var(--pebble)}
.rec dd{margin:0}
.srcs{display:grid;gap:8px;font:500 .875rem/1.5 var(--sans);color:var(--pebble);padding-left:20px;margin:0}
.srcs a{overflow-wrap:anywhere}

/* footer */
footer{border-top:1px solid var(--mist);background:var(--paper)}
footer .wrap{padding-block:32px;display:grid;gap:14px;font:500 .8125rem/1.6 var(--sans);color:var(--pebble)}
footer .brand{font-size:1rem}
footer nav{display:flex;flex-wrap:wrap;gap:6px 18px}
footer a{color:var(--pebble)}
@media (prefers-reduced-motion:no-preference){.btn,.chip,.card{transition:background-color .15s,border-color .15s,color .15s}}