@font-face{font-family:Galmuri;src:url('/8billion/assets/galmuri.woff2') format('woff2');font-display:swap;font-weight:400}
:root{color-scheme:dark;--night:#0b1026;--surface:#161d3d;--amber:#ffb547;--text:#ede8df;--muted:#a9a3b8;--line:#2a3260}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--night);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;line-height:1.8}a{color:inherit;text-decoration:none}a:hover{color:var(--amber)}a:focus-visible,summary:focus-visible{outline:2px solid var(--amber);outline-offset:6px}img{max-width:100%;height:auto}em{font-style:normal;color:var(--amber)}p,h1,h2,h3{margin:0}h1,h2,.brand,.pixel,.year,.closing-title{font-family:Galmuri,monospace;font-weight:400;line-height:1.5}h1{font-size:clamp(30px,3.5vw,49px);letter-spacing:-1.5px}h2{font-size:clamp(27px,3.3vw,40px);letter-spacing:-1px}.wrap{width:min(1120px,calc(100% - 64px));margin:auto}.skip{position:absolute;left:20px;top:-100px;background:var(--amber);color:var(--night);padding:10px;z-index:10}.skip:focus{top:10px}
header{position:relative;z-index:2;border-bottom:1px solid var(--line)}.header-inner{min-height:86px;display:flex;align-items:center;gap:40px}.brand{display:flex;align-items:center;gap:13px;font-size:19px;line-height:1.3;white-space:nowrap}.brand img{width:38px;height:38px;border-radius:9px}.brand small{display:block;font-family:system-ui,sans-serif;font-size:10px;letter-spacing:2.5px;color:var(--muted);margin-top:5px}nav{display:flex;gap:28px;margin-left:auto;font-size:13px;color:var(--muted)}.languages{display:flex;gap:12px;font-size:12px;white-space:nowrap}.languages [aria-current]{color:var(--amber)}.languages span{color:var(--line)}
.hero{min-height:670px;display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:10px;padding-block:68px 48px}.eyebrow{font-size:11px;color:var(--amber);letter-spacing:1.4px;margin-bottom:27px}.intro{font-size:15px;line-height:1.95;color:var(--muted);margin-top:26px}.release{display:flex;align-items:center;gap:13px;margin-top:32px;flex-wrap:wrap}.badge{display:inline-flex;padding:10px 22px;background:var(--amber);color:var(--night);font-size:13px;font-weight:700;border-radius:4px}.platforms{font-size:11px;color:var(--muted)}.explore{display:inline-block;margin-top:29px;font-size:12px;color:var(--text);border-bottom:1px solid var(--line);padding-bottom:6px}.hero-art{margin:0;position:relative}.hero-art img{display:block;width:100%;image-rendering:pixelated}.hero-art figcaption{text-align:center;color:var(--muted);font-size:11px;margin-top:-14px}.section{padding-block:108px;border-top:1px solid var(--line)}.split{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}.section-copy>p:last-child{color:var(--muted);font-size:15px;margin-top:24px;max-width:440px}.kicker{font-size:11px;color:var(--amber);letter-spacing:1.5px;margin-bottom:22px}.panel{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:30px}.panel-label{font-size:12px;color:var(--amber);letter-spacing:1px;margin-bottom:25px}.birth-content{display:flex;align-items:center;gap:28px}.person{image-rendering:pixelated;object-fit:contain}.baby{width:90px;height:120px}.birth-content dl{display:grid;grid-template-columns:auto auto;gap:5px 22px;font-size:13px;margin:0}.birth-content dt{color:var(--muted)}.birth-content dd{margin:0}.birth-question{font-size:13px;margin-top:24px;border-top:1px solid var(--line);padding-top:20px}.sample{font-size:10px;color:var(--muted);margin-top:12px}.timeline{list-style:none;margin:0;padding:0;position:relative}.timeline:before{content:'';position:absolute;left:7px;top:20px;bottom:20px;width:1px;background:var(--line)}.timeline li{position:relative;padding:0 0 25px 36px;font-size:13px;line-height:1.7}.timeline li:last-child{padding-bottom:0}.timeline li:before{content:'';position:absolute;left:3px;top:7px;width:9px;height:9px;background:var(--amber);box-shadow:0 0 0 5px var(--night)}.timeline .age{display:block;font-family:Galmuri,monospace;color:var(--amber);font-size:12px;margin-bottom:5px}.choice-scene{display:flex;justify-content:center;gap:24px;align-items:flex-end;border-bottom:2px solid var(--line);margin-bottom:20px;padding-bottom:10px}.choice-scene img{width:64px;height:100px}.choice-scene img:first-child,.choice-scene img:last-child{opacity:.35;width:42px;height:68px}.choice-prompt{font-size:14px;margin-bottom:22px}.option{padding:11px 10px;text-align:center;border:1px solid var(--line);border-radius:4px;font-size:12px;margin-top:9px}.option:first-of-type{background:var(--amber);color:var(--night);border-color:var(--amber)}.choice-note{font-size:11px;text-align:center;color:var(--muted);margin-top:16px}
.stats{margin-top:86px;display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}.stats h3{font-family:Galmuri,monospace;font-size:21px;font-weight:400}.stats p{color:var(--muted);font-size:14px;margin-top:17px}.stat{display:grid;grid-template-columns:100px 1fr;gap:16px;align-items:center;margin:14px 0;font-size:12px}.meter{height:8px;background:var(--surface);border:1px solid var(--line)}.meter span{display:block;height:100%;background:var(--amber)}.worlds{background:#0e142d}.world-heading{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:end}.world-heading>p{font-size:15px;color:var(--muted)}.world-grid{margin-top:48px;display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.world{border:1px solid var(--line);padding:25px 12px;background:var(--surface);text-align:center;border-radius:4px}.world.start{background:var(--amber);color:var(--night);border-color:var(--amber)}.year{font-size:23px}.world small{display:block;color:var(--muted);font-size:10px;margin-top:8px}.world.start small{color:var(--night)}.world-note{color:var(--muted);font-size:11px;margin-top:23px;max-width:700px}.archive-art{display:flex;align-items:flex-end;justify-content:center;gap:10px;min-height:200px;border-bottom:1px solid var(--line);padding:30px}.archive-art img{width:76px;height:150px}.archive-art img:first-child{height:90px;width:50px}.archive-art img:nth-child(2){height:120px;width:60px}.archive-art img:last-child{opacity:.7}.faq-wrap{max-width:760px;margin:auto}.faq-wrap h2{margin-bottom:32px}.faq-wrap details{border-bottom:1px solid var(--line);padding:22px 0}.faq-wrap summary{cursor:pointer;font-size:15px;list-style:none;display:flex;justify-content:space-between;gap:20px}.faq-wrap summary::-webkit-details-marker{display:none}.faq-wrap summary:after{content:'+';color:var(--amber)}.faq-wrap details[open] summary:after{content:'−'}.faq-wrap details p{color:var(--muted);font-size:14px;padding:17px 30px 0 0}.closing{text-align:center;padding-block:100px 110px}.closing img{width:70px;height:90px;margin-bottom:25px}.closing-title{font-size:clamp(26px,3.5vw,40px)}.closing>p{color:var(--muted);font-size:14px;margin-top:20px}.closing .release{justify-content:center}footer{border-top:1px solid var(--line);padding-block:30px}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:11px;color:var(--muted)}.footer-links{display:flex;gap:24px;flex-wrap:wrap}
@media(max-width:900px){.wrap{width:calc(100% - 40px)}nav{gap:14px}.header-inner{gap:22px}.split,.stats,.world-heading{gap:40px}.hero{min-height:590px}.world-grid{grid-template-columns:repeat(4,1fr)}.world:last-child{grid-column:3 / 5}.birth-content{gap:15px}.birth-content dl{gap:5px 12px}.panel{padding:22px}}
@media(max-width:640px){.header-inner{min-height:76px;justify-content:space-between}.brand{font-size:17px}nav{display:none}.hero{grid-template-columns:1fr;padding-block:48px 40px;gap:0}.hero h1{font-size:31px}.intro{font-size:14px}.hero-art{width:min(100%,390px);margin:12px auto 0}.hero-art figcaption{margin-top:-20px}.section{padding-block:64px}.split,.stats,.world-heading{grid-template-columns:1fr;gap:35px}.section-copy>p:last-child{max-width:none}.moments .section-copy{grid-row:1}.panel{padding:24px}.stats{margin-top:55px}.world-grid{grid-template-columns:repeat(3,1fr);gap:8px;margin-top:32px}.world{padding:20px 6px}.world:last-child{grid-column:auto}.year{font-size:19px}.world small{font-size:9px}.closing{padding-block:60px 70px}.footer-inner{align-items:flex-start;flex-direction:column;gap:15px}.footer-links{gap:17px}.eyebrow{font-size:10px}.birth-content{gap:25px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* A compact native language menu also fits narrow phone screens. */
.languages{display:block;position:relative;flex-shrink:0;font-size:12px}.languages summary{cursor:pointer;list-style:none;padding:8px 0 8px 12px;display:flex;align-items:center;gap:9px}.languages summary::-webkit-details-marker{display:none}.languages summary span{color:var(--muted)}.language-menu{position:absolute;right:0;top:100%;min-width:145px;padding:8px;background:var(--surface);border:1px solid var(--line);border-radius:6px;box-shadow:0 12px 30px #0006}.language-menu a{display:block;padding:7px 12px;border-radius:3px}.language-menu a:hover{background:var(--night)}
/* Use complete native CJK typefaces where the app font lacks glyphs. */
:is(html:lang(ja),html:lang(zh)) :is(h1,h2,.stats h3){font-family:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-weight:600;line-height:1.55}
@media(min-width:641px) and (max-width:900px){.header-inner{gap:12px}nav{gap:12px;font-size:12px}}