/* Human vs Machine, by Ulrich Frerk. History page: How we got here. Base tokens copied from home.css. */
:root{--bg:#121211;--card:#1a1a19;--line:#2e2e2c;--axis:#55554f;--t1:#f0efec;--t2:#c3c2b7;--t3:#a3a29a;
--human:#3987e5;--machine:#d95926;--warn:#fab219;
--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif}
@media (prefers-color-scheme: light){:root{--bg:#fcfcfb;--card:#f4f3ef;--line:#e2e1dc;--axis:#b9b8b2;--t1:#0b0b0b;--t2:#46453f;--t3:#5f5e58;
--human:#2a78d6;--machine:#eb6834}}
*{box-sizing:border-box}
html{background:var(--bg);color:var(--t1);font:17px/1.55 var(--font);-webkit-text-size-adjust:100%}
body{margin:0}
a{color:inherit;text-decoration-color:var(--axis);text-underline-offset:3px}a:hover{text-decoration-color:currentColor}
.staging{background:var(--warn);color:#0b0b0b;text-align:center;font:600 12px/1.9 var(--font);letter-spacing:.04em}
.top,main,footer{max-width:1080px;margin:auto;padding-left:clamp(20px,5vw,48px);padding-right:clamp(20px,5vw,48px)}
.top{display:flex;justify-content:space-between;align-items:center;padding-top:14px;padding-bottom:6px;gap:12px}
.brand{text-decoration:none;font-weight:700;font-size:17px;display:flex;align-items:center;gap:6px;white-space:nowrap}.brand i{color:var(--t3);font-weight:400}
.dot{width:10px;height:10px;border-radius:50%;display:inline-block}.dot.h{background:var(--human)}.dot.m{background:var(--machine);margin-right:4px}
nav{display:flex;gap:16px;flex-wrap:wrap;justify-content:flex-end}nav a{color:var(--t2);text-decoration:none;font-size:15px}nav a[aria-current]{color:var(--t1);font-weight:600}
.q:hover{color:var(--t1)}.q:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--human);outline-offset:2px;border-radius:4px}
.how{border-top:1px solid var(--line);margin:12px 0 0;padding:6px 0}
.how summary{cursor:pointer;font-size:20px;font-weight:700;padding:14px 0;list-style-position:outside}
.how h3{font-size:16px;margin:20px 0 4px}.how p,.how li{color:var(--t2);font-size:15px;max-width:72ch}.how ul{padding-left:20px}
.how table{border-collapse:collapse;font-size:14px;margin:6px 0;width:100%;max-width:640px}.how td,.how th{text-align:left;padding:4px 8px 4px 0;border-bottom:1px solid var(--line);color:var(--t2)}
.how th{color:var(--t1);font-weight:600}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
footer{color:var(--t3);font-size:14px;padding-top:28px;padding-bottom:40px}footer p{margin:0 0 6px}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.tag{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.03em;border:1px solid var(--axis);border-radius:999px;padding:1px 9px;margin-right:8px;color:var(--t2);white-space:nowrap}
.hh{padding:clamp(12px,4vw,40px) 0 4px}
.hh h1{font-size:clamp(32px,7vw,48px);line-height:1.08;letter-spacing:-.02em;margin:0 0 10px}
.lede{color:var(--t2);margin:0;max-width:62ch;font-size:17px}
@media (max-width:520px){nav{gap:14px}}
/* Timeline */
.tlw{margin:14px 0 6px}
.chips{display:flex;flex-wrap:nowrap;justify-content:flex-start;gap:8px;overflow-x:auto;scrollbar-width:none;padding:4px 0 10px;margin:0 -2px}.chips::-webkit-scrollbar{display:none}
.chips a{flex:0 0 auto;min-width:48px;min-height:40px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--axis);border-radius:999px;
 color:var(--t2);text-decoration:none;font-weight:600;font-size:15px;padding:0 12px;font-variant-numeric:tabular-nums}
.chips a[aria-current]{background:var(--t1);border-color:var(--t1);color:var(--bg)}
.tl{list-style:none;margin:0 calc(-1*clamp(20px,5vw,48px));padding:4px clamp(20px,5vw,48px) 14px;display:flex;gap:14px;overflow-x:auto;
 scroll-snap-type:x mandatory;scroll-padding:0 clamp(20px,5vw,48px);scroll-behavior:smooth;overscroll-behavior-x:contain;position:relative;scrollbar-width:thin}
.tl:focus-visible{outline:2px solid var(--human);outline-offset:-2px}
.tl>li{flex:0 0 min(80vw,330px);scroll-snap-align:start;background:var(--card);border-radius:20px;padding:22px 20px 16px;min-height:282px;display:flex;flex-direction:column;
 position:relative;overflow:hidden}
.tl>li::before{content:"";position:absolute;left:0;right:0;top:0;height:5px;background:var(--axis)}
.tl>li.machines::before{background:var(--machine)}.tl>li.people::before{background:var(--human)}
.tl>li.both::before{background:linear-gradient(90deg,var(--human) 50%,var(--machine) 50%)}
.tl>li.dc{background:transparent;border:1px dashed var(--axis)}.tl>li.dc::before{display:none}
.yr{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin:0 0 8px;font-size:30px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.1}
.yr time{white-space:nowrap}
.dc .yr{font-size:34px}.dc h3{font-size:18px}
.badge{font-size:12px;font-weight:600;letter-spacing:.02em;color:var(--t2);border:1px solid var(--line);border-radius:999px;padding:2px 9px;white-space:nowrap;flex:0 0 auto}
.tl h3{font-size:21px;line-height:1.2;margin:0 0 8px;letter-spacing:-.01em}
.tx{margin:0 0 12px;color:var(--t2);font-size:16px;line-height:1.45}
.src{margin:auto 0 0;font-size:13px;color:var(--t3)}.src a{color:var(--t2)}
.stats{list-style:none;padding:0;margin:0 0 10px;font-size:14px;line-height:1.35;color:var(--t2)}.stats li{padding:5px 0;border-top:1px solid var(--line)}
.stats b{color:var(--t1);font-variant-numeric:tabular-nums}.stats span{color:var(--t3);font-size:13px}
.scrub{display:flex;align-items:center;gap:12px;padding:2px 0 6px}
.scrub label{font-size:14px;color:var(--t2);white-space:nowrap;min-width:84px}.scrub output{font-weight:700;color:var(--t1);font-variant-numeric:tabular-nums}
.scrub input{flex:1;accent-color:var(--machine);height:40px;margin:0}
/* Measured series */
.ser{border-top:1px solid var(--line);margin-top:18px;padding-top:6px}
.ser h2{font-size:clamp(20px,3.6vw,28px);line-height:1.2;margin:16px 0 6px}
.sub{color:var(--t2);margin:0 0 10px;font-size:15px;max-width:72ch}
.k{font-weight:700}.k.m{color:var(--machine)}.k.h{color:var(--human)}
.rows{position:relative}
.ch{position:relative;height:92px}
.sv{display:block;width:100%;height:92px;overflow:visible}
.sv .gl{stroke:var(--line);stroke-width:1;vector-effect:non-scaling-stroke}
.gy{position:absolute;left:2px;font-size:11px;line-height:14px;color:var(--t3);pointer-events:none}
.ndl{position:absolute;left:0;top:28px;font-size:13px;line-height:1.3;color:var(--t2);text-align:center;padding:0 8px}
.ax{position:sticky;top:0;background:var(--bg);z-index:1;height:44px}.ax .sv{height:24px}
.axl{position:relative;height:18px;font-size:12px;color:var(--t3)}.axl span{position:absolute;top:0;transform:translateX(-50%);font-variant-numeric:tabular-nums}
.axl span:first-child{transform:none}
.sv .ln polyline{fill:none;stroke-width:2;vector-effect:non-scaling-stroke;stroke-linejoin:round}
.sv .dt path{stroke-width:5;stroke-linecap:round;vector-effect:non-scaling-stroke;fill:none}
.sv .tk{stroke-width:2;vector-effect:non-scaling-stroke}.sv .tk.machines{stroke:var(--machine)}.sv .tk.people{stroke:var(--human)}.sv .tk.both{stroke:var(--t3)}
.sv .nodata{fill:var(--line);opacity:.45}
.row{margin:0 0 16px;position:relative;z-index:1}.row figcaption{font-size:15px;margin:10px 0 2px;display:flex;flex-wrap:wrap;align-items:center;gap:2px 0}
.row .rng{color:var(--t3);font-size:13px;margin-left:8px}
.note{color:var(--t3);font-size:13px;margin:2px 0 0;max-width:80ch}.note a{color:var(--t2)}
.mark{position:absolute;left:0;top:0;bottom:0;width:2px;margin-left:-1px;pointer-events:none;will-change:transform;z-index:0;background:var(--t1);opacity:.4;transform:translateX(0)}
.mark i{display:none}
@media (prefers-reduced-motion: reduce){.tl{scroll-behavior:auto}}
@media (min-width:900px){.tl>li{flex-basis:300px}}
.bdg{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.badge.fic{border-style:dashed;border-color:var(--warn);color:var(--warn)}
.tl>li.fiction{background:repeating-linear-gradient(135deg,var(--card) 0 14px,color-mix(in oklab,var(--card) 88%,var(--warn)) 14px 15px)}
.rl{margin:0 0 10px;font-size:15px;font-weight:600}.rl a{color:var(--t1)}
.chips a.rc{border-style:dashed}
/* The first rules for robots */
.rules{border-top:1px solid var(--line);margin-top:18px;padding-top:6px;scroll-margin-top:12px}
.rules h2{font-size:clamp(20px,3.6vw,28px);line-height:1.2;margin:16px 0 6px}
.rsl{list-style:none;padding:0;margin:8px 0 0;display:grid;gap:14px}
@media (min-width:900px){.rsl{grid-template-columns:1fr 1fr}}
.rs{background:var(--card);border-radius:20px;padding:20px;min-width:0}
.rs .yr{font-size:24px}.rs h3{font-size:20px;line-height:1.25;margin:0 0 8px}
.laws{margin:4px 0 6px;padding-left:22px;color:var(--t1);font-size:16px;line-height:1.45}.laws li{margin:0 0 6px}
.by{margin:0 0 12px;color:var(--t3);font-size:13px}
.file{margin:6px 0 12px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--bg)}
.file .fn{font:600 12px/1 var(--font);color:var(--t3);padding:9px 12px;border-bottom:1px solid var(--line);letter-spacing:.02em}
.file pre{margin:0;padding:12px;font:13px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--t1);white-space:pre-wrap;overflow-wrap:anywhere}
.file figcaption{font-size:12px;color:var(--t3);padding:0 12px 10px}.file figcaption a{color:var(--t2)}
blockquote{margin:0 0 12px;padding:2px 0 2px 14px;border-left:3px solid var(--machine)}blockquote p{margin:0 0 4px;font-size:16px;font-style:italic;color:var(--t1)}
blockquote footer{font-size:13px;color:var(--t3);padding:0}
.rs.fiction blockquote{border-left-color:var(--warn)}
@media (prefers-color-scheme: light){.badge.fic{color:#7a4f00;border-color:#b07a00}}
.pl{margin:0 0 10px;font-size:13px;color:var(--t3)}.pl a{color:var(--t2);font-weight:600}
/* Big players */
.players{border-top:1px solid var(--line);margin-top:18px;padding-top:6px;scroll-margin-top:12px}
.players h2{font-size:clamp(20px,3.6vw,28px);line-height:1.2;margin:16px 0 6px}
.league{background:var(--card);border-radius:20px;padding:18px 20px;margin:10px 0 14px}
.league h3{margin:0 0 4px;font-size:20px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.league h3 .tag{margin:0}
.lg{display:grid;gap:16px}@media (min-width:760px){.lg{grid-template-columns:1fr 1fr}}
.lg table{width:100%;border-collapse:collapse;font-size:14px}.lg caption{text-align:left;color:var(--t2);font-size:13px;padding:0 0 6px}
.lg th{text-align:left;font-weight:600;padding:4px 8px 4px 0;white-space:nowrap;width:40%;color:var(--t1)}.lg td{padding:4px 0;display:flex;align-items:center;gap:8px}
.bar{display:block;height:10px;border-radius:5px;flex:0 1 auto;min-width:2px}.bar.m{background:var(--machine)}
.lg td b{font-variant-numeric:tabular-nums;color:var(--t2);font-weight:600}
.pcl{list-style:none;padding:0;margin:0;display:grid;gap:14px}@media (min-width:760px){.pcl{grid-template-columns:1fr 1fr}}@media (min-width:1000px){.pcl{grid-template-columns:repeat(3,1fr)}}
.pc{background:var(--card);border-radius:20px;padding:20px;min-width:0;scroll-margin-top:12px}.pc h3{font-size:22px;margin:0 0 6px}
.k2{margin:10px 0 2px;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--t3)}
.v2{margin:0;font-size:15px;color:var(--t1)}.v2.dim{color:var(--t3)}.s2{color:var(--t3);font-size:13px}.s2 a{color:var(--t2)}
.n2{border-top:1px solid var(--line);padding:6px 0}.n2 b{font-size:22px;font-weight:800;margin-right:8px;font-variant-numeric:tabular-nums}.n2 p{margin:2px 0 0;font-size:14px;color:var(--t2)}
.ptl{list-style:none;padding:0;margin:0;font-size:14px}.ptl li{padding:3px 0}.ptl a{color:var(--t2)}
.disc{font-size:13px;color:var(--t3);margin-top:12px}
/* AWS story */
.story{border-top:1px solid var(--line);margin-top:18px;padding-top:6px;scroll-margin-top:12px}
.story h2{font-size:clamp(20px,3.6vw,28px);line-height:1.2;margin:16px 0 6px}
.lede2{font-size:18px;font-weight:600;color:var(--t1);margin:0 0 12px;max-width:60ch}
.stl{list-style:none;padding:0 0 0 18px;margin:0;border-left:2px solid var(--machine)}
.stl>li{position:relative;padding:0 0 16px}.stl>li::before{content:"";position:absolute;left:-25px;top:10px;width:12px;height:12px;border-radius:50%;background:var(--machine)}
.stl .yr{font-size:20px;margin:0 0 4px}.stl h3{font-size:19px;margin:0 0 6px;line-height:1.25}
.myth{background:var(--card);border-radius:16px;padding:14px 16px;margin:6px 0 0}.myth p{margin:0;color:var(--t2);font-size:15px}.myth .k2{margin:0 0 4px}

/* 0.17.012 phone header: brand on its own line, the full nav wraps under it */
@media (max-width:600px){.top{flex-direction:column;align-items:flex-start;gap:2px}.top nav{gap:0 14px;justify-content:flex-start}.top nav a{font-size:15px;min-height:36px;display:inline-flex;align-items:center}}