/* DealerSteps — "dealer plate / auction lane" identity.
   Stamped-plate typography, lane-number mono labels, asphalt ink + plate yellow. No images. */
:root{
  --ink:#191c1f; --ink2:#23272d; --paper:#f6f2e9; --card:#fffdf7;
  --yellow:#f4b400; --yellow-soft:#fdf3d0;
  --red:#b3352b; --red-soft:#fbe9e6;
  --green:#1e7a46; --green-soft:#e5f2ea;
  --text:#23272d; --muted:#5d6167; --line:#ddd5c1; --line-dark:#3a3f46;
  --mono:ui-monospace,"SF Mono","Cascadia Mono",Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:auto}
body{margin:0;font-family:var(--sans);color:var(--text);background:var(--paper);line-height:1.6;font-size:17px}
a{color:#8a6100}
a:hover{color:var(--ink)}
.wrap{max-width:1060px;margin:0 auto;padding:0 20px}
h1,h2,h3{color:var(--ink);line-height:1.15;margin:0 0 .5em}
h1{font-size:2.35rem;font-weight:800;letter-spacing:.01em;text-transform:uppercase}
h2{font-size:1.55rem;font-weight:800;text-transform:uppercase;letter-spacing:.02em;margin-top:1.6em}
h3{font-size:1.12rem;font-weight:700}
p{margin:0 0 1em}
.small{font-size:.88rem;color:var(--muted)}
.mono{font-family:var(--mono)}
.lane{font-family:var(--mono);font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:#8a6100;font-weight:700}
section{padding:44px 0}
section.tight{padding:26px 0}
section.dark{background:var(--ink);color:#e9e5da}
section.dark h1,section.dark h2,section.dark h3{color:#fff}
section.dark p{color:#cfccc2}
section.dark a{color:var(--yellow)}
section.band{background:#efe9da;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* header */
header.site{background:var(--ink);padding:14px 0}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:11px;text-decoration:none}
.plate-mark{display:inline-block;background:var(--yellow);color:var(--ink);font-family:var(--mono);font-weight:700;
  border:2px solid #0c0d0f;border-radius:6px;padding:3px 9px;letter-spacing:.14em;font-size:.95rem;
  box-shadow:inset 0 0 0 2px var(--yellow),inset 0 0 0 3.5px rgba(12,13,15,.55)}
.logo b{color:#fff;font-size:1.25rem;letter-spacing:.05em;text-transform:uppercase}
nav.main{display:flex;gap:20px;flex-wrap:wrap}
nav.main a{color:#d8d4c8;text-decoration:none;font-size:.95rem;font-weight:600}
nav.main a:hover{color:var(--yellow)}

/* hero */
.tagline{font-family:var(--mono);letter-spacing:.22em;text-transform:uppercase;color:var(--yellow);font-size:.82rem;font-weight:700;margin:0 0 14px}
.hero p.lede{font-size:1.18rem;max-width:46em}
.stamp{display:inline-block;font-family:var(--mono);font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  border:2.5px solid currentColor;border-radius:6px;padding:5px 13px;transform:rotate(-1.6deg);font-size:.95rem}
.stamp.green{color:var(--green)} .stamp.red{color:var(--red)} .stamp.amber{color:#9a6d00}

/* components on light background */
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px 24px;margin:0 0 18px}
.tool{background:var(--card);border:1.5px solid var(--ink);border-radius:14px;padding:26px;margin:0 0 22px;
  box-shadow:6px 6px 0 rgba(25,28,31,.12)}
.tool h2,.tool h3{margin-top:0}
.notice{background:var(--yellow-soft);border:1px solid #e5cd7d;border-left:6px solid var(--yellow);border-radius:8px;padding:16px 20px;margin:0 0 18px}
.result{border-radius:12px;padding:22px 24px;margin:18px 0 6px;border:1.5px solid var(--line);background:#fff}
.result.ok{background:var(--green-soft);border-color:var(--green)}
.result.over{background:var(--red-soft);border-color:var(--red)}
.result.warn{background:var(--yellow-soft);border-color:#c79a06}
.result h3{margin-top:0}
.lock-panel{background:var(--ink2);border:1px solid var(--line-dark);border-top:5px solid var(--yellow);border-radius:12px;padding:24px 26px;margin:22px 0}
section .lock-panel h3,section .lock-panel p,section .lock-panel li{color:#eee9db}
.lock-panel h3{color:#fff;margin-top:0}
.lock-panel ul{margin:.4em 0 1em;padding-left:1.2em}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin:0 0 10px}
.faq summary{font-weight:700;cursor:pointer;color:var(--ink)}
.faq details p{margin:.6em 0 .2em}
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 20px;border:1px solid var(--line);border-radius:10px;background:var(--card)}
table{border-collapse:collapse;width:100%;min-width:620px;font-size:.95rem}
th,td{padding:10px 13px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#efe9da;font-family:var(--mono);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink)}
tr:last-child td{border-bottom:none}
td.num,th.num{text-align:right;font-family:var(--mono)}
.btn{display:inline-block;background:var(--yellow);color:var(--ink);font-weight:800;text-decoration:none;
  padding:13px 26px;border-radius:9px;border:2px solid var(--ink);font-size:1.02rem;letter-spacing:.02em}
.btn:hover{background:#ffc61a;color:var(--ink)}
.btn.ghost{background:transparent;color:inherit;border-color:currentColor}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
.field{margin:0 0 16px}
.field label{display:block;font-weight:700;margin:0 0 6px;color:var(--ink)}
.field select,.field input{width:100%;padding:12px;font-size:16px;border:1.5px solid #b9b09a;border-radius:8px;background:#fff;font-family:var(--sans)}
.verdict-line{display:flex;gap:14px;align-items:flex-start;flex-wrap:wrap}
.cite{font-size:.85rem;color:var(--muted);border-top:1px dashed var(--line);padding-top:10px;margin-top:14px}
.cite a{color:#8a6100;overflow-wrap:anywhere}
ul.tight li{margin-bottom:.35em}
.kitbox{background:var(--card);border:1.5px solid var(--ink);border-radius:14px;padding:26px}
.kitbox h2{margin-top:0}

/* light components inside DARK sections — scoped rules computed to WIN the cascade.
   Base dark-section rules are `section.dark h3` / `section.dark p` = specificity 0,1,2.
   Every rule below is 0,2,2 or higher (section + .dark + component class + element). */
section.dark .card{background:var(--card)}
section.dark .card h3{color:var(--ink)}
section.dark .card p,section.dark .card li{color:var(--text)}
section.dark .tool{background:var(--card)}
section.dark .tool h3{color:var(--ink)}
section.dark .tool p,section.dark .tool li,section.dark .tool label{color:var(--text)}
section.dark .notice h3{color:var(--ink)}
section.dark .notice p,section.dark .notice li{color:var(--text)}
section.dark .result h3{color:var(--ink)}
section.dark .result p,section.dark .result li{color:var(--text)}
section.dark .faq details{background:var(--card)}
section.dark .faq summary{color:var(--ink)}
section.dark .faq p{color:var(--text)}
section.dark .tablewrap{background:var(--card)}
section.dark .tablewrap th{color:var(--ink)}
section.dark .tablewrap td{color:var(--text)}
section.dark .field label{color:var(--ink)}
section.dark .lock-panel{background:var(--ink2)}
section.dark .lock-panel h3{color:#fff}
section.dark .lock-panel p,section.dark .lock-panel li{color:#eee9db}
section.dark .lock-panel .small{color:#b9b4a4}

/* buttons + hero eyebrow inside DARK sections — the generic dark-section link rule
   `section.dark a` = 0,1,2 silently BEAT `.btn` = 0,1,0, painting the primary
   button's label plate-yellow on its own plate-yellow background (1.00:1 — the
   label vanished; phone-caught 2026-10-18). Same trap killed `.tagline` = 0,1,0
   under `section.dark p` = 0,1,2 (rendered #cfccc2 instead of the designed
   yellow). Every rule below is 0,2,1+ — computed to WIN, not merely exist.
   Label pairs: ink on --yellow = 9.27:1; #e9e5da on --ink = 13.60:1 (WCAG). */
section.dark .btn{color:var(--ink)}
section.dark .btn.ghost{color:#e9e5da}
section .lock-panel .btn{color:var(--ink)}
section.dark .tagline{color:var(--yellow)}

/* footer */
footer.site{background:var(--ink);color:#b9b5a9;padding:38px 0 30px;margin-top:0}
footer.site a{color:#e9e5da}
footer.site .cols{display:flex;gap:34px;flex-wrap:wrap}
footer.site h4{color:#fff;margin:0 0 10px;font-size:.95rem;text-transform:uppercase;letter-spacing:.08em}
footer.site ul{list-style:none;margin:0;padding:0}
footer.site li{margin:0 0 7px}
footer.site .fine{border-top:1px solid var(--line-dark);margin-top:26px;padding-top:16px;font-size:.85rem}

@media (max-width:720px){
  body{font-size:16px}
  h1{font-size:1.7rem}
  h2{font-size:1.3rem}
  .grid,.grid3{grid-template-columns:1fr}
  section{padding:32px 0}
  .tool,.kitbox{padding:20px}
  table{min-width:540px}
  .row-stack td{display:block;width:100%}
}
@media print{
  header.site,footer.site,.btn{display:none}
  body{background:#fff}
}