/* TowCheck pilot — clean utilitarian spec-sheet look. Mobile first. */
:root{
  --ink:#1c2430; --muted:#5b6675; --line:#d7dce3; --bg:#f4f5f7; --card:#ffffff;
  --accent:#0b5cad; --accent-ink:#ffffff; --good:#177245; --warn:#9a6a00;
  --bad:#b3261e; --chip:#e8edf3; --radius:12px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.45;font-size:17px}
a{color:var(--accent)}
.wrap{max-width:880px;margin:0 auto;padding:0 14px 48px}
header.site{padding:20px 0 6px}
header.site h1{font-size:26px;margin:0 0 2px;letter-spacing:-.02em}
header.site p{margin:0;color:var(--muted);font-size:15px}
nav.site{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 4px}
nav.site a{background:var(--card);border:1px solid var(--line);border-radius:999px;
  padding:9px 14px;text-decoration:none;color:var(--ink);font-size:15px;font-weight:600}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;margin:14px 0}
.card h2{font-size:19px;margin:0 0 4px}
.card h3{font-size:16px;margin:16px 0 6px}
.sub{color:var(--muted);font-size:14px;margin:0 0 10px}
.steplabel{font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin:14px 0 6px}
.steplabel:first-child{margin-top:0}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{appearance:none;border:1.5px solid var(--line);background:#fff;color:var(--ink);
  border-radius:10px;padding:12px 14px;font-size:16px;font-weight:600;min-height:48px;cursor:pointer}
.chip[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.chip.small{min-height:44px;padding:8px 12px;font-size:15px}
.chip:disabled{opacity:.35;cursor:default}
.answer{background:#eef4fb;border:1.5px solid var(--accent);border-radius:var(--radius);padding:14px 16px;margin-top:14px}
.answer .big{font-size:21px;font-weight:700;line-height:1.3}
.answer .row{display:flex;gap:18px;flex-wrap:wrap;margin-top:8px}
.answer .stat{min-width:120px}
.answer .stat b{display:block;font-size:20px}
.answer .stat span{font-size:13px;color:var(--muted)}
.assump{font-size:13px;color:var(--muted);margin-top:8px}
button.cta{appearance:none;border:0;border-radius:10px;background:var(--accent);color:#fff;
  font-size:17px;font-weight:700;padding:14px 18px;min-height:52px;cursor:pointer;width:100%;margin-top:12px}
button.ghost{background:#fff;color:var(--accent);border:1.5px solid var(--accent)}
.field{margin:10px 0}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:4px}
.field input[type="number"],.field input[type="text"]{width:100%;font-size:17px;padding:12px;
  border:1.5px solid var(--line);border-radius:10px;min-height:48px;background:#fff;color:var(--ink)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.stepper{display:flex;align-items:center;gap:10px}
.stepper button{width:48px;height:48px;border-radius:10px;border:1.5px solid var(--line);
  background:#fff;font-size:22px;font-weight:700;cursor:pointer;color:var(--ink)}
.stepper .val{font-size:18px;font-weight:700;min-width:28px;text-align:center}
input[type="range"]{width:100%;height:44px}
.checks{list-style:none;margin:10px 0;padding:0}
.checks li{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-top:1px solid var(--line)}
.checks li:first-child{border-top:0}
.badge{flex:0 0 auto;font-size:12px;font-weight:800;letter-spacing:.04em;padding:4px 8px;border-radius:6px;color:#fff;margin-top:2px}
.badge.pass{background:var(--good)} .badge.caution{background:var(--warn)} .badge.fail{background:var(--bad)}
.checks .ct{font-weight:700}
.checks .cd{color:var(--muted);font-size:14px}
.gear{list-style:none;margin:8px 0;padding:0}
.gear li{padding:10px 0;border-top:1px solid var(--line)}
.gear li:first-child{border-top:0}
.gear a{font-weight:700;text-decoration:none}
.gear .gd{color:var(--muted);font-size:14px}
table.data{border-collapse:collapse;width:100%;font-size:14.5px}
table.data th,table.data td{border:1px solid var(--line);padding:7px 8px;text-align:right}
table.data th{background:var(--chip);text-align:right;position:sticky;top:0}
table.data td:first-child,table.data th:first-child{text-align:left}
.tablewrap{overflow-x:auto;margin:10px 0}
details.variant{font-size:13px;color:var(--muted)}
footer.site{color:var(--muted);font-size:13.5px;padding:18px 0 8px;border-top:1px solid var(--line);margin-top:20px}
.kicker{font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.hidden{display:none!important}
.vinrow{display:flex;gap:8px}
.vinrow input{flex:1}
.vinrow button{flex:0 0 auto;width:auto;margin:0;padding:0 18px}
.msg{font-size:14px;margin-top:8px}
.msg.err{color:var(--bad)}
.cargoitem{display:inline-flex;gap:6px;align-items:center;background:var(--chip);border-radius:999px;padding:6px 8px 6px 12px;margin:0 6px 6px 0;font-size:14.5px;font-weight:600}
.cargoitem button{border:0;background:#fff;border-radius:999px;width:26px;height:26px;font-size:15px;cursor:pointer}
ul.tight{margin:6px 0;padding-left:20px}
ul.tight li{margin:4px 0}
h1.page{font-size:24px;margin:18px 0 4px}