/* IA Job Costing Pro - marketing site. "Steel & hi-vis" design system (docs/design/). */

:root {
  --ground:#eef1f5; --surface:#fff; --surface-2:#e7ecf2;
  --text:#16202e; --text-muted:#5a6675; --border:#d7dee7; --border-strong:#c3ccd8;
  --accent:#ff6600; --accent-ink:#e05600; --accent-soft:#fff0e6; --on-accent:#fff;
  --good:#12855a; --good-soft:#e2f3ea; --warn:#b06f08; --crit:#c53a3a;
  --mono:ui-monospace,"SF Mono","Cascadia Code","JetBrains Mono",Menlo,Consolas,monospace;
  --sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --radius:10px; --radius-sm:6px;
  --shadow:0 1px 2px rgba(22,32,46,.05),0 14px 40px -16px rgba(22,32,46,.22);
  --shadow-sm:0 1px 2px rgba(22,32,46,.06);
  --s--1:.8125rem; --s0:1rem; --s1:1.15rem; --s2:1.4rem; --s3:1.85rem; --s4:2.5rem; --s5:3.4rem;
  --maxw:1140px;
}
@media (prefers-color-scheme:dark){
  :root{
    --ground:#0e131a; --surface:#171f29; --surface-2:#212a36;
    --text:#e8edf4; --text-muted:#94a1b2; --border:#29323f; --border-strong:#38434f;
    --accent:#ff7d2e; --accent-ink:#ff6600; --accent-soft:#2a1c10; --on-accent:#1a1206;
    --good:#43c489; --good-soft:#10271d; --warn:#e0a53a; --crit:#ec6a66;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 18px 46px -18px rgba(0,0,0,.65);
    --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  }
}
:root[data-theme="light"]{
  --ground:#eef1f5; --surface:#fff; --surface-2:#e7ecf2; --text:#16202e; --text-muted:#5a6675;
  --border:#d7dee7; --border-strong:#c3ccd8; --accent:#ff6600; --accent-ink:#e05600;
  --accent-soft:#fff0e6; --on-accent:#fff; --good:#12855a; --good-soft:#e2f3ea; --crit:#c53a3a;
}
:root[data-theme="dark"]{
  --ground:#0e131a; --surface:#171f29; --surface-2:#212a36; --text:#e8edf4; --text-muted:#94a1b2;
  --border:#29323f; --border-strong:#38434f; --accent:#ff7d2e; --accent-ink:#ff6600;
  --accent-soft:#2a1c10; --on-accent:#1a1206; --good:#43c489; --good-soft:#10271d; --crit:#ec6a66;
}

*{box-sizing:border-box}
body{margin:0;background:var(--ground);color:var(--text);font-family:var(--sans);font-size:var(--s0);line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{margin:0;line-height:1.1;text-wrap:balance;letter-spacing:-.025em;font-weight:800}
p{margin:0}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{font-size:var(--s--1);text-transform:uppercase;letter-spacing:.14em;font-weight:700;color:var(--accent-ink)}
.muted{color:var(--text-muted)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

.btn{font:inherit;font-weight:650;border-radius:var(--radius-sm);padding:11px 20px;cursor:pointer;border:1px solid transparent;display:inline-flex;align-items:center;gap:8px;transition:background .15s,border-color .15s}
.btn--primary{background:var(--accent);color:var(--on-accent)}
.btn--primary:hover{background:var(--accent-ink)}
.btn--secondary{background:transparent;color:var(--text);border-color:var(--border-strong)}
.btn--secondary:hover{border-color:var(--text-muted)}
.btn--lg{padding:14px 26px;font-size:var(--s1)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 40%,transparent);outline-offset:2px}

/* nav */
.nav{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--surface) 85%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.nav__in{display:flex;align-items:center;gap:18px;height:64px}
.brand{display:flex;align-items:center;gap:11px}
.brand__glyph{width:34px;height:34px;border-radius:8px;background:var(--surface-2);border:1px solid var(--border);display:grid;place-items:center;padding:4px}
.brand__name{font-weight:800;letter-spacing:-.02em;font-size:var(--s1)}
.brand__name .i{color:var(--accent)}
.nav__links{display:flex;gap:22px;margin-left:8px}
.nav__links a{font-size:var(--s0);font-weight:550;color:var(--text-muted)}
.nav__links a:hover{color:var(--text)}
.nav .spacer{flex:1}
.icon-toggle{font:inherit;font-size:var(--s--1);font-weight:600;color:var(--text);background:var(--surface-2);border:1px solid var(--border);border-radius:999px;padding:7px 13px;cursor:pointer}
@media (max-width:760px){.nav__links{display:none}}

/* hero */
.hero{padding:72px 0 40px}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
@media (max-width:900px){.hero__grid{grid-template-columns:1fr;gap:34px}}
.hero h1{font-size:clamp(2.4rem,5.5vw,var(--s5));max-width:15ch}
.hero .sub{font-size:var(--s2);color:var(--text-muted);margin-top:20px;max-width:44ch}
.cta{display:flex;flex-wrap:wrap;gap:13px;margin-top:28px}
.hero .note{margin-top:16px;font-size:var(--s--1);color:var(--text-muted)}

/* hero cost card */
.costcard{background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);overflow:hidden}
.costcard__head{display:flex;justify-content:space-between;align-items:baseline;padding:16px 18px;border-bottom:1px solid var(--border);background:var(--surface-2)}
.costcard__job{font-family:var(--mono);font-weight:600}
.costcard__body{padding:16px 18px 20px}
.costrow{display:grid;grid-template-columns:96px 1fr auto;gap:12px;align-items:center;padding:9px 0}
.costrow .lbl{font-size:var(--s--1);font-weight:600}
.track{height:10px;border-radius:999px;background:var(--surface-2);position:relative;overflow:hidden;border:1px solid var(--border)}
.track>i{position:absolute;inset:0 auto 0 0;transform-origin:left;border-radius:999px;animation:grow .9s cubic-bezier(.2,.8,.2,1) both}
.fill-ok{background:linear-gradient(90deg,var(--good),color-mix(in srgb,var(--good) 55%,var(--accent)))}
.fill-over{background:linear-gradient(90deg,var(--warn),var(--crit))}
.figs{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:var(--s--1);text-align:right;min-width:118px}
.costcard__foot{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-top:1px solid var(--border)}
.costcard__foot .total{font-family:var(--mono);font-weight:700;font-size:var(--s1)}
@keyframes grow{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@media (prefers-reduced-motion:reduce){.track>i{animation:none}}

/* trust strip */
.trust{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--surface)}
.trust__in{display:flex;flex-wrap:wrap;gap:14px 28px;align-items:center;padding:16px 0;font-size:var(--s--1);color:var(--text-muted)}
.trust__in strong{color:var(--text)}
.pill{display:inline-flex;align-items:center;gap:7px;padding:5px 12px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border);font-weight:600}

/* sections */
.sec{padding:76px 0}
.sec__head{max-width:60ch;margin-bottom:44px}
.sec__head h2{font-size:var(--s4)}
.sec__head p{font-size:var(--s1);color:var(--text-muted);margin-top:14px}

/* spotlights */
.spot{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;padding:34px 0}
.spot+.spot{border-top:1px solid var(--border)}
.spot--flip .spot__text{order:2}
@media (max-width:900px){.spot{grid-template-columns:1fr;gap:24px}.spot--flip .spot__text{order:0}}
.spot__text h3{font-size:var(--s3)}
.spot__text p{color:var(--text-muted);margin-top:12px;max-width:46ch}
.spot__list{margin:18px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:9px}
.spot__list li{display:flex;gap:10px;align-items:flex-start}
.spot__list .tick{color:var(--good);font-weight:800;flex:none}
.shot{border:1px solid var(--border-strong);border-radius:12px;overflow:hidden;box-shadow:var(--shadow);background:var(--surface)}
.shot__bar{display:flex;gap:7px;padding:9px 12px;background:var(--surface-2);border-bottom:1px solid var(--border)}
.shot__bar i{width:10px;height:10px;border-radius:50%;background:var(--border-strong)}

/* feature grid */
.fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:820px){.fgrid{grid-template-columns:1fr}}
.fcard{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm)}
.fcard .k{width:38px;height:38px;border-radius:9px;background:var(--accent-soft);color:var(--accent-ink);display:grid;place-items:center;font-weight:800;margin-bottom:14px}
.fcard h4{font-size:var(--s1)}
.fcard p{color:var(--text-muted);font-size:var(--s--1);margin-top:6px}

/* compare */
.compare{background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-sm);overflow-x:auto}
table.cmp{width:100%;border-collapse:collapse}
table.cmp th,table.cmp td{padding:15px 20px;text-align:left;border-bottom:1px solid var(--border)}
table.cmp thead th{font-size:var(--s--1);text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted)}
table.cmp thead th.col{text-align:center;width:130px}
table.cmp td.c{text-align:center}
table.cmp tbody tr:last-child td{border-bottom:none}
table.cmp .feat{font-weight:600}
table.cmp .pro-col{background:color-mix(in srgb,var(--accent-soft) 55%,transparent)}
.yes{color:var(--good);font-weight:800}
.no{color:var(--text-muted);opacity:.55}
.cmp-price td{font-weight:800}

/* pricing */
.price{display:grid;grid-template-columns:1.1fr .9fr;border:1px solid var(--border);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);background:var(--surface)}
@media (max-width:820px){.price{grid-template-columns:1fr}}
.price__main{padding:34px}
.price__amt{font-size:var(--s5);font-weight:800;letter-spacing:-.03em}
.price__amt small{font-size:var(--s1);font-weight:600;color:var(--text-muted);letter-spacing:0}
.price__list{margin:20px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:10px}
.price__list li{display:flex;gap:10px}
.price__list .tick{color:var(--good);font-weight:800}
.price__side{padding:34px;background:var(--surface-2);border-left:1px solid var(--border);display:flex;flex-direction:column;justify-content:center;gap:14px}
@media (max-width:820px){.price__side{border-left:none;border-top:1px solid var(--border)}}

/* faq */
.faq{display:grid;grid-template-columns:1fr 1fr;gap:22px 44px}
@media (max-width:820px){.faq{grid-template-columns:1fr}}
.faq h4{font-size:var(--s1)}
.faq p{color:var(--text-muted);margin-top:7px}

/* demo form */
.demo{background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:34px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:640px){.form-grid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:var(--s--1);font-weight:700}
.field input,.field select,.field textarea{font:inherit;padding:11px 13px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--surface);color:var(--text);width:100%}
.field textarea{resize:vertical}
.field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 40%,transparent);outline-offset:1px;border-color:var(--accent)}
.field .err{font-size:var(--s--1);color:var(--crit);font-weight:600}
/* honeypot - hidden from humans, visible to bots */
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}

/* version picker - radio cards. `.pill` was a text chip; it can't hold an input. */
.version-picker{display:flex;gap:12px;flex-wrap:wrap;margin-top:4px}
.version-opt{display:flex;align-items:center;gap:11px;padding:12px 18px;cursor:pointer;
  border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--surface);
  transition:border-color .15s,background .15s}
.version-opt:hover{border-color:var(--text-muted)}
.version-opt input{margin:0;flex:none;accent-color:var(--accent);width:18px;height:18px}
.version-opt__text{display:flex;flex-direction:column;line-height:1.35;white-space:nowrap}
.version-opt__text .mono{font-size:var(--s--1)}
/* :has() lets the whole card react to its own radio being checked. */
.version-opt:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}
.version-opt:has(input:focus-visible){outline:3px solid color-mix(in srgb,var(--accent) 40%,transparent);outline-offset:2px}

.msgs{display:flex;flex-direction:column;gap:10px;margin-bottom:18px}
.msg{padding:12px 16px;border-radius:var(--radius-sm);font-size:var(--s--1);font-weight:600;border:1px solid}
.msg.success{background:var(--good-soft);color:var(--good);border-color:color-mix(in srgb,var(--good) 35%,transparent)}
.msg.error{background:color-mix(in srgb,var(--crit) 12%,transparent);color:var(--crit);border-color:color-mix(in srgb,var(--crit) 35%,transparent)}

footer.foot{border-top:1px solid var(--border);padding:44px 0 60px;color:var(--text-muted);font-size:var(--s--1)}
footer.foot .row{display:flex;flex-wrap:wrap;gap:16px 30px;align-items:center;justify-content:space-between}
footer.foot img{max-width:260px;opacity:.9}