/* The Robotaxi Report: shared styles for the home page and articles.
   Same tokens as /compare, which keeps its own inline copy for speed. */
:root{
  --white:#ffffff; --grey:#f4f4f4; --line:#e2e3e3; --ink:#181b21; --body:#1f2228; --muted:#4a4c50;
  --m:clamp(20px,4vw,48px);
  --ease:cubic-bezier(.25,.8,.25,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{background:var(--white);color:var(--body);font-family:"Manrope",system-ui,-apple-system,sans-serif;font-size:1.0625rem;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-underline-offset:3px}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
h1,h2,h3{color:var(--ink);font-weight:500;letter-spacing:-0.02em;line-height:1.12;text-wrap:balance}
p{text-wrap:pretty}
.num{font-variant-numeric:tabular-nums}

/* header */
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 var(--m);height:60px;border-bottom:1px solid var(--line)}
.bar .mark{font-weight:600;font-size:1rem;letter-spacing:.14em;text-transform:uppercase;text-decoration:none;color:var(--ink);white-space:nowrap}
.bar nav{display:flex;gap:4px}
.bar nav a{text-decoration:none;font-size:.875rem;font-weight:500;color:var(--ink);padding:6px 12px;border-radius:4px;transition:background .15s}
.bar nav a:hover,.bar nav a[aria-current]{background:rgba(0,0,0,.06)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 24px;border-radius:4px;font:inherit;font-size:.9375rem;font-weight:500;text-decoration:none;transition:background .15s,transform .12s var(--ease)}
.btn.dark{background:var(--ink);color:var(--white)}
.btn.dark:hover{background:#000}
.btn.light{background:var(--grey);color:var(--ink)}
.btn.light:hover{background:#ebebeb}
.btn:active{transform:scale(.98)}

/* home */
.masthead{padding:clamp(72px,10vw,128px) var(--m) clamp(40px,5vw,64px);text-align:center}
.masthead h1{font-size:clamp(2.5rem,1.8rem + 3vw,4.25rem)}
.masthead p{margin:16px auto 0;max-width:52ch;font-size:clamp(1.0625rem,1rem + .3vw,1.25rem)}
.masthead .disclose{margin-top:20px;font-size:.8125rem;color:var(--muted)}
.cards{max-width:1200px;margin:0 auto;padding:0 var(--m) clamp(80px,10vw,128px);display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}
.card{background:var(--grey);border-radius:8px;overflow:hidden;text-decoration:none;display:flex;flex-direction:column;transition:transform .2s var(--ease)}
.card:hover{transform:translateY(-2px)}
.card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#e9e9e9}
.card .txt{padding:24px 24px 28px}
.card .kicker{font-size:.75rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.card h2{margin-top:8px;font-size:1.375rem}
.card p{margin-top:8px;font-size:.9375rem;color:var(--muted)}

/* article */
.art{max-width:720px;margin:0 auto;padding:clamp(56px,8vw,96px) var(--m) clamp(64px,8vw,104px)}
.art .kicker{font-size:.75rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.art h1{margin-top:12px;font-size:clamp(2.25rem,1.7rem + 2.4vw,3.5rem)}
.art .dek{margin-top:16px;font-size:clamp(1.125rem,1.05rem + .3vw,1.3125rem);color:var(--body)}
.art .byline{margin-top:20px;font-size:.8125rem;color:var(--muted)}
.art .hero-img{margin:clamp(32px,5vw,48px) calc(var(--m) * -1) 0;width:calc(100% + var(--m) * 2);max-width:none;aspect-ratio:16/9;object-fit:cover;background:var(--grey)}
.art .cap{margin-top:8px;font-size:.75rem;color:var(--muted)}
.art h2{margin-top:56px;font-size:clamp(1.625rem,1.4rem + 1vw,2.125rem)}
.art h3{margin-top:32px;font-size:1.25rem;font-weight:600;letter-spacing:-0.01em}
.art p,.art ul,.art ol{margin-top:16px}
.art ul,.art ol{padding-left:1.25em}
.art li+li{margin-top:8px}
.art blockquote{margin-top:20px;padding-left:20px;border-left:3px solid var(--ink);font-size:1.125rem;color:var(--ink)}
.art blockquote cite{display:block;margin-top:6px;font-size:.8125rem;font-style:normal;color:var(--muted)}
.answer{margin-top:32px;background:var(--grey);border-radius:8px;padding:24px 24px 26px}
.answer h2{margin-top:0;font-size:1rem;font-weight:600;letter-spacing:0}
.answer p{margin-top:8px}
.facts{margin-top:24px;width:100%;border-collapse:collapse;font-size:.9375rem}
.facts th,.facts td{padding:12px 0;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.facts th{font-weight:500;color:var(--muted);width:42%;padding-right:16px}
.facts td{color:var(--ink);font-weight:500}
.math{margin-top:20px;background:var(--grey);border-radius:8px;padding:20px 24px}
.math table{width:100%;border-collapse:collapse;font-size:.9375rem}
.math td{padding:8px 0;border-bottom:1px solid var(--line)}
.math td:last-child{text-align:right;font-variant-numeric:tabular-nums;font-weight:500;color:var(--ink)}
.math tr:last-child td{border-bottom:0;font-weight:600}
.math .note{margin-top:12px;font-size:.8125rem;color:var(--muted)}
.cta{margin-top:40px;display:flex;gap:12px;flex-wrap:wrap}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;align-items:center;min-height:56px;font-weight:500;color:var(--ink);gap:16px}
.faq summary::after{content:"+";margin-left:auto;font-size:1.25rem;font-weight:400}
.faq details[open] summary::after{content:"\2212"}
.faq details p{margin:0 0 20px}
.sources{margin-top:16px;font-size:.875rem;color:var(--muted)}
.sources li{word-break:break-word}

/* footer */
footer{background:var(--grey);padding:48px var(--m) 56px;font-size:.8125rem;color:var(--muted)}
footer nav{display:flex;flex-wrap:wrap;gap:8px 20px;margin-bottom:20px}
footer nav a{color:var(--ink);text-decoration:none;font-weight:500}
footer nav a:hover{text-decoration:underline}
footer p{max-width:90ch}
footer p+p{margin-top:10px}

@media (max-width:720px){
  .bar .mark{font-size:.8125rem;letter-spacing:.1em}
  .bar nav a{padding:6px 8px;font-size:.8125rem}
  .facts th{width:46%}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* data page */
.art.wide{max-width:1040px}
.art .note{font-size:.8125rem;color:var(--muted)}
.rep{display:inline-block;font-size:.6875rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line);border-radius:3px;padding:0 5px;line-height:1.5;vertical-align:1px;white-space:nowrap}
.stats{margin-top:40px;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:8px;overflow:hidden}
.stats>div{background:var(--white);padding:20px 20px 22px;display:flex;flex-direction:column}
.stats dt{order:2;margin-top:6px;font-size:.875rem;font-weight:500;color:var(--ink);line-height:1.35}
.stats dd{order:1;font-size:clamp(2rem,1.6rem + 1.4vw,2.75rem);font-weight:500;letter-spacing:-0.03em;color:var(--ink);line-height:1}
.stats p{order:3;margin-top:auto;padding-top:8px;font-size:.75rem;color:var(--muted)}
.mapfig{margin-top:24px}
.usmap{width:100%;height:auto;display:block}
.usmap .na{fill:var(--grey)}
.usmap .bd{fill:none;stroke:#fff;stroke-width:1.2}
.usmap .lv{fill:var(--ink);stroke:#fff;stroke-width:2}
.usmap .pl{fill:#fff;stroke:var(--ink);stroke-width:2}
.usmap .lb text{font:500 13px/1 "Manrope",system-ui,sans-serif;fill:var(--ink);paint-order:stroke;stroke:#fff;stroke-width:3px;stroke-linejoin:round}
.mapfig figcaption{margin-top:12px;font-size:.8125rem;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:6px 20px}
.mapfig figcaption>span{display:inline-flex;align-items:center;gap:8px}
.key{display:inline-block;width:12px;height:12px;border-radius:50%;border:2px solid var(--ink)}
.key.lv{background:var(--ink)}
.key.pl{background:#fff}
.dtw{margin-top:24px}
.dt{width:100%;border-collapse:collapse;font-size:.875rem}
.dt th,.dt td{text-align:left;vertical-align:top;padding:12px 16px 12px 0;border-bottom:1px solid var(--line)}
.dt thead th{font-size:.75rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);padding-top:0}
.dt tbody th{font-weight:600;color:var(--ink)}
.dt td{color:var(--body)}
.dt td:first-child{font-weight:500;color:var(--ink)}
.dt .src{color:var(--muted);font-size:.8125rem;min-width:180px}
.dt .area{display:block;margin-top:2px;font-size:.8125rem;color:var(--muted)}
.dt.cities tr.first>*{border-top:1px solid var(--ink)}
.dt.cities tbody tr:first-child>*{border-top:0}
.dt.cities td:first-child{font-weight:500}
@media (max-width:860px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .dt thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .dt,.dt tbody,.dt tr,.dt th,.dt td{display:block;width:100%}
  .dt tr{padding:12px 0;border-bottom:1px solid var(--line)}
  .dt th,.dt td{border:0;padding:2px 0}
  .dt td[data-l]::before{content:attr(data-l);display:block;font-size:.6875rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);margin-top:8px}
  .dt td:first-child::before{margin-top:0}
  .dt.cities tbody th{font-size:1.0625rem;padding:20px 0 4px;border-top:1px solid var(--ink)}
  .dt.cities tbody tr:first-child th{border-top:0}
  .dt.cities tr{padding:8px 0}
  .dt.cities tr.first>*{border-top:0}
  .dt.cities tr.first>th{border-top:1px solid var(--ink)}
  .dt.cities tbody tr:first-child>th{border-top:0}
  .usmap .lb text{font-size:24px;stroke-width:5px}
  /* compact city rows: operator + status, then a small "as of / source" line */
  .dt.cities td[data-l]::before{display:none}
  .dt.cities td[data-l="Operator"]{display:inline;font-weight:600}
  .dt.cities td[data-l="Status"]{display:inline}
  .dt.cities td[data-l="Status"]::before{display:inline;content:": ";font-size:inherit;letter-spacing:0;text-transform:none;color:var(--body);font-weight:400;margin:0}
  .dt.cities td.num,.dt.cities td.src{display:inline;font-size:.75rem;color:var(--muted)}
  .dt.cities td.num{display:block;margin-top:4px}
  .dt.cities td.num::before{display:inline;content:"As of ";font:inherit;letter-spacing:0;text-transform:none;margin:0}
  .dt.cities td.src{display:block}
  .dt.cities td.src::before{display:none}
}