/* NeuRobots Manufacturing — neurobotsai.com */
:root{
  --navy:#1B2A41;
  --ink:#0A1422;
  --amber:#FF9F1C;
  --amber-dk:#C77A0E;
  --cream:#F7F5F2;
  --steel:#6B7785;
  --line:#D9D5CC;
  --white:#FFFFFF;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{font-family:'IBM Plex Sans',system-ui,sans-serif;color:var(--ink);background:var(--cream);line-height:1.6;font-size:17px}
h1,h2,h3,.display{font-family:'Chakra Petch',sans-serif;line-height:1.15}
.mono{font-family:'IBM Plex Mono',monospace}
a{color:var(--amber-dk)}
img{max-width:100%;display:block}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}

/* ---------- nav ---------- */
.nav{background:var(--navy);position:sticky;top:0;z-index:50;border-bottom:2px solid var(--amber)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-brand img{height:26px}
.nav-links{display:flex;gap:28px;align-items:center;list-style:none}
.nav-links a{color:var(--cream);text-decoration:none;font-family:'Chakra Petch',sans-serif;font-size:14px;letter-spacing:.12em;text-transform:uppercase}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--amber)}
.nav-links a.cta{background:var(--amber);color:var(--ink);padding:8px 16px;font-weight:600}
.nav-links a.cta:hover{background:#ffb347;color:var(--ink)}
.nav-toggle{display:none;background:none;border:1px solid var(--cream);color:var(--cream);padding:6px 10px;font-family:'Chakra Petch',sans-serif;letter-spacing:.1em}
@media(max-width:840px){
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:var(--navy);flex-direction:column;padding:18px 24px;gap:18px;border-bottom:2px solid var(--amber)}
  .nav-links.open{display:flex}
}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px}

/* ---------- hero ---------- */
.hero{background:var(--navy);color:var(--cream);padding:88px 0 72px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:
  repeating-linear-gradient(90deg,transparent 0 119px,rgba(247,245,242,.045) 119px 120px);pointer-events:none}
.hero .wrap{position:relative;z-index:1}
.hero-mark{width:100%;max-width:560px;height:auto;margin-bottom:34px}
.hero h1{font-size:clamp(28px,4.2vw,46px);font-weight:700;text-transform:uppercase;letter-spacing:.02em;max-width:820px}
.hero h1 .amber{color:var(--amber)}
.hero p.sub{margin-top:20px;font-size:19px;color:#C9CFD8;max-width:680px}
.hero-actions{margin-top:36px;display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-block;font-family:'Chakra Petch',sans-serif;font-weight:600;letter-spacing:.1em;text-transform:uppercase;font-size:14px;padding:14px 26px;text-decoration:none;border:2px solid var(--amber);transition:background .15s,color .15s}
.btn-solid{background:var(--amber);color:var(--ink)}
.btn-solid:hover{background:#ffb347}
.btn-ghost{color:var(--amber)}
.btn-ghost:hover{background:var(--amber);color:var(--ink)}
.btn-navy{border-color:var(--navy);background:var(--navy);color:var(--cream)}
.btn-navy:hover{background:var(--ink)}

/* ---------- section scaffolding ---------- */
.section{padding:78px 0}
.section.white{background:var(--white)}
.section.navy{background:var(--navy);color:var(--cream)}
.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:13px;letter-spacing:.28em;text-transform:uppercase;color:var(--amber-dk);margin-bottom:14px}
.section.navy .eyebrow{color:var(--amber)}
.section h2{font-size:clamp(24px,3vw,34px);text-transform:uppercase;letter-spacing:.02em;margin-bottom:18px;max-width:800px}
.section p.lede{font-size:18px;max-width:760px;color:#33404F}
.section.navy p.lede{color:#C9CFD8}
.rule{width:64px;height:4px;background:var(--amber);margin:22px 0 30px}

/* ---------- spec-plate cards (signature) ---------- */
.plates{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:26px;margin-top:44px}
.plate{background:var(--white);border:1px solid var(--line);border-top:4px solid var(--navy);padding:30px 26px 26px;position:relative;box-shadow:0 1px 0 var(--line)}
.plate::before,.plate::after{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:var(--line);top:12px}
.plate::before{left:12px}
.plate::after{right:12px}
.plate .pn{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.18em;color:var(--steel);text-transform:uppercase;margin-bottom:12px}
.plate h3{font-size:20px;text-transform:uppercase;letter-spacing:.03em;margin-bottom:12px}
.plate p{font-size:15.5px;color:#33404F}
.plate ul{margin:14px 0 0 18px;font-size:15px;color:#33404F}
.plate li{margin-bottom:6px}
.origin{display:inline-block;margin-top:18px;font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;border:1px solid var(--navy);padding:5px 10px;color:var(--navy)}
.origin.amber{border-color:var(--amber-dk);color:var(--amber-dk)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:26px;margin-top:40px}
.step{border-left:3px solid var(--amber);padding-left:20px}
.step .k{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.2em;color:var(--amber);text-transform:uppercase}
.section:not(.navy) .step .k{color:var(--amber-dk)}
.step h3{font-size:18px;text-transform:uppercase;margin:8px 0 8px}
.step p{font-size:15.5px}
.section.navy .step p{color:#C9CFD8}

/* ---------- proof strip ---------- */
.proof{background:var(--ink);color:var(--cream);padding:34px 0;border-top:2px solid var(--amber);border-bottom:2px solid var(--amber)}
.proof .wrap{display:flex;gap:40px;flex-wrap:wrap;align-items:center;justify-content:space-between}
.proof .stat .display{font-size:26px;color:var(--amber);text-transform:uppercase}
.proof .stat p{font-size:14px;color:#9AA5B1;letter-spacing:.06em;text-transform:uppercase;font-family:'IBM Plex Mono',monospace}

/* ---------- forms ---------- */
form{max-width:640px}
.field{margin-bottom:20px}
label{display:block;font-family:'Chakra Petch',sans-serif;font-size:13px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:8px;color:var(--navy)}
.section.navy label{color:var(--cream)}
input,select,textarea{width:100%;padding:13px 14px;border:1px solid var(--steel);background:var(--white);font-family:'IBM Plex Sans',sans-serif;font-size:16px;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:3px solid var(--amber);outline-offset:0;border-color:var(--amber)}
textarea{min-height:130px;resize:vertical}
button[type=submit]{cursor:pointer}

/* ---------- footer ---------- */
footer{background:var(--navy);color:#9AA5B1;padding:54px 0 40px;border-top:2px solid var(--amber)}
footer .wrap{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:flex-start}
footer img{height:22px;margin-bottom:14px}
footer a{color:var(--cream);text-decoration:none}
footer a:hover{color:var(--amber)}
footer .cols{display:flex;gap:60px;flex-wrap:wrap}
footer h4{font-family:'Chakra Petch',sans-serif;font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--amber);margin-bottom:12px}
footer ul{list-style:none}
footer li{margin-bottom:8px;font-size:15px}
footer .fine{margin-top:36px;font-size:13px;color:#6B7785;border-top:1px solid rgba(247,245,242,.12);padding-top:20px;width:100%}