/* zbigniew-turbo-site/public/styles.css
   Purpose: tokens + layout for the turbo reman mockup (light "bare aluminum", dark "graphite").
   WHY: accent = heat-tint bronze seen on exhaust housings; neutrals biased cool like machined steel. */
:root{
  --bg:#E9EBE8; --surface:#F6F7F4; --ink:#1C2124; --muted:#525A58; --line:#C5CAC5;
  --accent:#965B15; --accent-ink:#FFFFFF; --temper:#2E5A86; --plate:#D5D9D4; --rivet:#9AA19C;
  --display:"Big Shoulders Display","Arial Narrow",Impact,sans-serif;
  --body:"Public Sans","Segoe UI",Helvetica,Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#151A1C; --surface:#1D2326; --ink:#E6E9E6; --muted:#9BA5A2; --line:#343D40;
  --accent:#D9933A; --accent-ink:#151A1C; --temper:#7FA6CF; --plate:#252D30; --rivet:#4A5457; color-scheme:dark;}}
:root[data-theme="dark"]{
  --bg:#151A1C; --surface:#1D2326; --ink:#E6E9E6; --muted:#9BA5A2; --line:#343D40;
  --accent:#D9933A; --accent-ink:#151A1C; --temper:#7FA6CF; --plate:#252D30; --rivet:#4A5457; color-scheme:dark;}

*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font:16px/1.6 var(--body);padding-inline:16px;padding-block:0}
.wrap{max-width:1120px;margin-inline:auto}
a{color:inherit}
:focus-visible{outline:3px solid var(--temper);outline-offset:2px}
h1,h2,h3{font-family:var(--display);line-height:.95;letter-spacing:.01em;text-wrap:balance;margin:0;text-transform:uppercase}
p{margin:0;max-width:62ch}
.eyebrow{font:600 12px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

.draft{font:12px/1.4 var(--mono);color:var(--muted);border-bottom:1px dashed var(--line);padding-block:8px;text-align:center}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:18px;flex-wrap:wrap}
.brand{font:800 26px/1 var(--display);text-transform:uppercase;letter-spacing:.02em}
.brand small{display:block;font:500 10px/1.4 var(--mono);letter-spacing:.12em;color:var(--muted)}
.nav nav{display:flex;gap:20px;flex-wrap:wrap;font-size:14px}
.nav nav a{text-decoration:none;color:var(--muted)} .nav nav a:hover{color:var(--ink)}

.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:3px;font:700 14px/1 var(--body);
  text-decoration:none;border:2px solid var(--ink);cursor:pointer;transition:transform .15s,background .15s}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn:hover{transform:translateY(-1px)} .btn.ghost{background:transparent;color:var(--ink)}

.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;padding-block:40px 56px}
.hero h1{font-size:clamp(48px,8vw,104px);font-weight:800}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .lede{font-size:19px;color:var(--muted);margin-block:20px 28px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}

.plate{background:var(--plate);border:1px solid var(--line);border-radius:6px;padding:22px;position:relative;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 12px 30px rgba(0,0,0,.08)}
.plate::before,.plate::after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:var(--rivet);top:10px}
.plate::before{left:10px}.plate::after{right:10px}
.plate canvas{display:block;width:100%;max-width:100%;aspect-ratio:1/1;max-height:260px;margin-inline:auto}
.spec{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;font:13px/1.5 var(--mono);margin-top:14px;
  border-top:1px solid var(--line);padding-top:14px}
.spec dt{color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.spec dd{margin:0}

section{padding-block:56px;border-top:1px solid var(--line)}
.sec-head{display:grid;grid-template-columns:1fr 1.2fr;gap:24px;align-items:end;margin-bottom:32px}
.sec-head h2{font-size:clamp(36px,5vw,60px);font-weight:800}
.sec-head p{color:var(--muted)}

.paths{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.path{background:var(--surface);border:1px solid var(--line);padding:28px;border-radius:4px;display:grid;gap:14px;align-content:start}
.path h3{font-size:34px}
.path.core{border-color:var(--accent)}
.path ul{margin:0;padding-left:18px;color:var(--muted)}

.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:4px;background:var(--surface)}
table{border-collapse:collapse;width:100%;min-width:640px;font-size:14px}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
th{font:600 11px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
td.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.tag{font:600 11px/1 var(--mono);padding:4px 7px;border-radius:2px;background:var(--bg);border:1px solid var(--line)}
.tag.vgt{color:var(--temper);border-color:var(--temper)}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;counter-reset:s;border:1px solid var(--line);border-radius:4px;overflow:hidden}
.step{padding:22px;background:var(--surface);border-right:1px solid var(--line);border-bottom:1px solid var(--line);counter-increment:s}
.step::before{content:counter(s,decimal-leading-zero);font:700 13px/1 var(--mono);color:var(--accent);display:block;margin-bottom:10px}
.step h3{font-size:24px;margin-bottom:6px}.step p{font-size:14px;color:var(--muted)}

.markets{display:flex;flex-wrap:wrap;gap:10px}
.markets span{font:700 20px/1 var(--display);text-transform:uppercase;padding:14px 18px;border:1px solid var(--line);border-radius:3px;background:var(--surface)}

.checks{display:grid;grid-template-columns:1fr 1fr;gap:12px 32px;list-style:none;padding:0;margin:0}
.checks li{display:grid;grid-template-columns:22px 1fr;gap:10px;font-size:15px}
.checks li::before{content:"✓";color:var(--temper);font-weight:800}
.checks li.no::before{content:"✕";color:var(--accent)}

form{display:grid;grid-template-columns:1fr 1fr;gap:14px;background:var(--surface);border:1px solid var(--line);padding:24px;border-radius:4px}
label{display:grid;gap:6px;font:600 12px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
input,select,textarea{font:15px/1.4 var(--body);color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:3px;padding:11px 12px;width:100%}
.full{grid-column:1/-1}
.note{font-size:14px;color:var(--temper)}
footer{border-top:1px solid var(--line);padding-block:28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--muted)}

@media (max-width:900px){
  .hero,.sec-head,.paths{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .steps,.checks,form{grid-template-columns:1fr}
  .nav nav{order:3;width:100%;gap:18px;font-size:15px}
}
@media (prefers-reduced-motion:reduce){.btn{transition:none}}

/* lead form states (from pyrox-lead-form-template) */
.hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
.status{min-height:22px;font-size:14px}
.status.ok{color:var(--temper)} .status.err{color:var(--accent)}
button:disabled{opacity:.55;cursor:wait}

/* v2: multi-page demo — engine pages, sell-cores page, FAQ */
a.brand{text-decoration:none}
.tbc{font:600 12px/1.4 var(--mono);color:var(--temper);border:1px dashed var(--temper);border-radius:2px;padding:1px 6px;white-space:nowrap}
.crumbs{font:500 12px/1 var(--mono);letter-spacing:.06em;color:var(--muted);padding-top:12px}
.crumbs a{color:var(--muted)}
.hero.slim{padding-block:28px 48px}
.hero.slim h1{font-size:clamp(44px,7vw,88px)}
.spec.first{margin-top:10px;border-top:0;padding-top:0}
td.mono a{text-decoration-color:var(--accent);text-underline-offset:3px}
.markets a{font:700 20px/1 var(--display);text-transform:uppercase;padding:14px 18px;border:1px solid var(--line);border-radius:3px;background:var(--surface);text-decoration:none}
.markets a:hover{border-color:var(--accent)}
.checks.warn li::before{content:"!";color:var(--accent)}
.faq{display:grid;gap:10px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:16px 20px}
.faq summary{cursor:pointer;font:700 17px/1.3 var(--body)}
.faq details[open] summary{margin-bottom:10px}
.faq p{color:var(--muted)}

/* v3: finder, terms, grading tiers, core rows (competitor-gap features) */
.finder{display:grid;grid-template-columns:1.3fr auto 1fr auto;gap:14px;align-items:end;background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--accent);padding:20px;border-radius:4px;margin-bottom:56px}
.finder .or{font:600 12px/1 var(--mono);color:var(--muted);text-transform:uppercase;padding-bottom:14px}
.terms{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin:0;border:1px solid var(--line);border-radius:4px;background:var(--surface);overflow:hidden}
.terms div{padding:18px;border-right:1px solid var(--line)} .terms div:last-child{border-right:0}
.terms dt{font:600 11px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.terms dd{margin:0}
.terms .tbc{white-space:normal}
.step.wide{grid-column:1/-1;border-left:4px solid var(--temper)}
.path ul a{color:var(--ink)}
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tier{background:var(--surface);border:1px solid var(--line);border-top:4px solid var(--temper);border-radius:4px;padding:22px;display:grid;gap:10px;align-content:start}
.tier.mid{border-top-color:var(--rivet)} .tier.no{border-top-color:var(--accent)}
.tier h3{font-size:28px} .tier ul{margin:0;padding-left:18px;color:var(--muted)} .tier p{font-size:14px}
.core-list{border:1px dashed var(--line);border-radius:4px;padding:14px;display:grid;gap:10px;margin:0}
.core-list legend{font:600 12px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:0 6px}
#core-rows{display:grid;gap:8px}
.core-row{display:grid;grid-template-columns:1.4fr 90px 1.2fr;gap:8px}
.btn.small{padding:9px 14px;font-size:13px;justify-self:start}
@media (max-width:900px){.finder{grid-template-columns:1fr}.finder .or{padding:0}.terms{grid-template-columns:1fr 1fr}.terms div{border-bottom:1px solid var(--line)}.tiers{grid-template-columns:1fr}}
@media (max-width:640px){.core-row{grid-template-columns:1fr 80px}.core-row select{grid-column:1/-1}}

/* v4: interface-guidelines audit fixes */
.skip{position:absolute;left:16px;top:-48px;z-index:10;background:var(--accent);color:var(--accent-ink);padding:10px 14px;border-radius:3px;font-weight:700}
.skip:focus{top:8px}
section[id],form[id],main{scroll-margin-top:16px}
a,button,select,summary,label{touch-action:manipulation}
html{-webkit-tap-highlight-color:rgba(0,0,0,0)}
.tbc{white-space:normal;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.faq summary:hover,td.mono a:hover,.path ul a:hover{color:var(--accent)}
[aria-invalid="true"]{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}