/* Robotaxi Complete — one stylesheet, no web fonts, no third-party requests.
   :WHY? EVERY COLOUR IS A TOKEN DEFINED ON BARE :root FIRST. A colour whose only
   definition sits inside a prefers-color-scheme block renders as nothing in the
   other theme, which is exactly how a card has shipped white-on-white here
   before (rules/final-visual-check-both-themes.md). */
:root{
  --bg:#f7f9f9; --surface:#ffffff; --surface-2:#eef3f3; --ink:#10201f; --ink-2:#41544f;
  --line:#d3e0de; --brand:#0f766e; --brand-ink:#0b544e; --brand-soft:#e2f1ef;
  --accent:#b45309; --ok:#166534; --shadow:0 1px 2px rgba(16,32,31,.06),0 8px 24px rgba(16,32,31,.06);
  --radius:14px; --maxw:1080px;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0b1413; --surface:#111e1d; --surface-2:#162b29; --ink:#e8f2f0; --ink-2:#a6bdb8;
    --line:#25403d; --brand:#5eead4; --brand-ink:#99f6e4; --brand-soft:#123331;
    --accent:#fbbf24; --ok:#86efac;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"]{
  --bg:#0b1413; --surface:#111e1d; --surface-2:#162b29; --ink:#e8f2f0; --ink-2:#a6bdb8;
  --line:#25403d; --brand:#5eead4; --brand-ink:#99f6e4; --brand-soft:#123331;
  --accent:#fbbf24; --ok:#86efac;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
a{color:var(--brand-ink);text-underline-offset:2px}
a:hover{color:var(--brand)}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;z-index:20;background:var(--surface);padding:10px 14px;border-radius:8px;border:1px solid var(--line)}
h1,h2,h3{line-height:1.22;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(1.9rem,1.2rem + 2.6vw,3rem)}
h2{font-size:clamp(1.35rem,1.05rem + 1.1vw,1.85rem);margin-top:0}
h3{font-size:1.06rem}
p{margin:0 0 1em}
.note{color:var(--ink-2);font-size:.85rem;line-height:1.55}
.lede{font-size:1.1rem;color:var(--ink-2);max-width:62ch}

/* header */
.site-head{
  display:flex;flex-wrap:wrap;gap:14px 22px;align-items:center;justify-content:space-between;
  max-width:var(--maxw);margin:0 auto;padding:18px 20px;
}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink)}
.mark{width:34px;height:34px;color:var(--brand);flex:0 0 auto}
.brand-txt{display:flex;flex-direction:column;line-height:1.2}
.brand-txt b{font-size:1.02rem;letter-spacing:-.015em}
.brand-txt i{font-style:normal;font-size:.72rem;color:var(--ink-2)}
.site-nav{display:flex;flex-wrap:wrap;gap:2px 4px}
.site-nav a{
  text-decoration:none;color:var(--ink-2);font-size:.85rem;padding:7px 10px;border-radius:8px;
}
.site-nav a:hover{background:var(--surface-2);color:var(--ink)}
.site-nav a.here{background:var(--brand-soft);color:var(--brand-ink);font-weight:600}

/* layout */
main{max-width:var(--maxw);margin:0 auto;padding:8px 20px 40px}
.hero{padding:34px 0 10px;border-bottom:1px solid var(--line);margin-bottom:28px}
.band{margin:0 0 34px;padding:0}
.band>h2{padding-top:6px}
.eyebrow{
  display:inline-block;font-size:.72rem;letter-spacing:.09em;text-transform:uppercase;
  color:var(--brand-ink);background:var(--brand-soft);padding:5px 10px;border-radius:999px;
  margin-bottom:14px;font-weight:700;
}

/* cards */
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(248px,1fr))}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 18px 16px;box-shadow:var(--shadow);
}
.card h3{margin-bottom:.35em}
.card p{margin-bottom:.6em;color:var(--ink-2);font-size:.93rem}
.card .price{
  font-size:1.55rem;font-weight:700;color:var(--ink);letter-spacing:-.02em;display:block;margin:2px 0 8px;
}
.card .price small{font-size:.8rem;font-weight:500;color:var(--ink-2);letter-spacing:0}
.card.feature{border-color:var(--brand);border-width:2px}
.ribbon{
  display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--brand-ink);background:var(--brand-soft);padding:3px 8px;border-radius:6px;margin-bottom:8px;
}
ul.ticks{list-style:none;padding:0;margin:0 0 10px}
ul.ticks li{position:relative;padding-left:20px;margin-bottom:5px;font-size:.9rem;color:var(--ink-2)}
ul.ticks li::before{content:"";position:absolute;left:2px;top:.58em;width:8px;height:8px;border-radius:2px;background:var(--brand)}

/* tables */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
table{border-collapse:collapse;width:100%;min-width:480px;font-size:.92rem}
caption{text-align:left;padding:14px 16px 0;color:var(--ink-2);font-size:.85rem}
th,td{text-align:left;padding:11px 16px;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:var(--surface-2);color:var(--ink);font-size:.78rem;letter-spacing:.05em;text-transform:uppercase}
tbody tr:last-child td{border-bottom:0}
td.num,th.num{white-space:nowrap;font-variant-numeric:tabular-nums}

/* buttons */
.cta{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 4px}
.btn{
  display:inline-block;text-decoration:none;font-weight:600;font-size:.95rem;
  padding:11px 20px;border-radius:10px;border:1px solid var(--brand);
  background:var(--brand);color:#fff;
}
:root[data-theme="dark"] .btn,
:root:not([data-theme="light"]) .btn{color:#06211f}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]) .btn{color:#fff}}
.btn:hover{filter:brightness(1.07);color:#fff}
:root[data-theme="dark"] .btn:hover{color:#06211f}
.btn.ghost{background:transparent;color:var(--brand-ink);border-color:var(--line)}
.btn.ghost:hover{background:var(--surface-2);color:var(--brand-ink);filter:none}

/* callouts */
.callout{
  border-left:4px solid var(--brand);background:var(--surface-2);
  padding:14px 16px;border-radius:0 var(--radius) var(--radius) 0;margin:0 0 20px;
}
.callout p:last-child{margin-bottom:0}
.callout.warn{border-left-color:var(--accent)}

/* faq */
.faq{border:1px solid var(--line);border-radius:10px;background:var(--surface);margin-bottom:9px}
.faq summary{cursor:pointer;padding:13px 16px;font-weight:600;font-size:.96rem;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--brand);font-weight:700}
.faq[open] summary::after{content:"\2013"}
.faq-a{padding:0 16px 13px;color:var(--ink-2);font-size:.93rem}
.faq-a p:last-child{margin-bottom:0}

/* prose */
.prose{max-width:72ch}
.prose h2{margin-top:1.6em}
.prose li{margin-bottom:.4em;color:var(--ink-2)}

/* form */
form.book{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow);max-width:560px;
}
.field{margin-bottom:14px}
.field label{display:block;font-size:.83rem;font-weight:600;margin-bottom:5px}
.field input,.field select,.field textarea{
  width:100%;padding:10px 12px;font:inherit;font-size:.95rem;color:var(--ink);
  background:var(--bg);border:1px solid var(--line);border-radius:9px;
}
.field textarea{min-height:96px;resize:vertical}
.formnote{font-size:.83rem;color:var(--ink-2);margin-top:12px}

/* footer */
.site-foot{border-top:1px solid var(--line);margin-top:14px}
.foot-cols{
  max-width:var(--maxw);margin:0 auto;padding:30px 20px 6px;
  display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
}
.foot-cols h3{font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2)}
.foot-cols p{font-size:.9rem;color:var(--ink-2);margin-bottom:.5em}
.sibs{line-height:2}
.made{
  max-width:var(--maxw);margin:0 auto;padding:14px 20px 34px;font-size:.85rem;color:var(--ink-2);
  border-top:1px solid var(--line);
}
.made b{color:var(--ink)}
.made i{font-style:italic}
@media (max-width:640px){
  .site-head{padding:14px 16px}
  main{padding:4px 16px 30px}
  .brand-txt i{display:none}
}