/* FabXref — industrial one-page waitlist */
:root{
  --bg:#0f1419;
  --paper:#1a2332;
  --ink:#e8eef4;
  --muted:#9aa8b5;
  --line:#2a3648;
  --accent:#5b8fad;
  --accent-ink:#8bb8d0;
  --accent-soft:#243044;
  --ok-bg:#1a3328;
  --ok-line:#2d5a45;
  --ok-ink:#a8d4b8;
  --err-bg:#3a2222;
  --err-line:#6b3a3a;
  --err-ink:#e0a8a8;
  --sans:"Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --mono:ui-monospace, "Cascadia Code", "SF Mono", Consolas, monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
html,body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.6;font-size:17px}
a{color:var(--accent-ink);text-underline-offset:3px}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--paper);padding:8px 12px;border-radius:6px;z-index:10}
.skip:focus{left:12px}
.wrap{width:min(1040px, calc(100% - 40px));margin:0 auto}
header.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0 16px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none;font-weight:700;font-size:1.1rem;letter-spacing:.02em;font-family:var(--mono)}
.brand svg{display:block;flex-shrink:0}
.nav{display:flex;align-items:center;gap:20px;font-size:.9rem}
.nav a{color:var(--muted);text-decoration:none;font-weight:600}
.nav a:hover{color:var(--ink)}
.nav .nav-cta{color:var(--accent-ink);border:1px solid var(--accent);border-radius:6px;padding:6px 14px}
.eyebrow{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;font-weight:700;color:var(--accent);margin-bottom:12px;font-family:var(--mono)}
h1,h2,h3{font-weight:700;letter-spacing:-.02em;line-height:1.15}
h1{font-size:clamp(1.85rem, 4.5vw, 2.75rem);margin-bottom:.4em;max-width:22ch}
.subhead{font-size:clamp(1.05rem, 2.2vw, 1.25rem);color:var(--muted);max-width:52ch;margin:0}
.hero{padding:48px 0 28px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--accent);color:#0f1419;font:inherit;font-weight:700;border:0;border-radius:6px;padding:13px 22px;cursor:pointer;text-decoration:none;font-size:.95rem}
.btn:hover{background:var(--accent-ink);color:#0f1419}
.btn-ghost{display:inline-flex;align-items:center;background:transparent;color:var(--ink);border:1px solid var(--line);border-radius:6px;padding:12px 18px;text-decoration:none;font-weight:600}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent-ink)}
.btn-block{width:100%}
section{padding:36px 0 8px}
h2{font-size:clamp(1.25rem, 2.4vw, 1.55rem);margin-bottom:8px}
.section-kicker{color:var(--muted);margin-bottom:20px;max-width:62ch;font-size:.95rem}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.feature{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:22px 18px}
.feature .n{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:10px;font-family:var(--mono)}
.feature h2{font-size:1.1rem;margin-bottom:8px}
.feature p{color:var(--muted);font-size:.92rem}
.design-list{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:10px 16px;max-width:900px}
.design-list li{position:relative;padding:14px 14px 14px 36px;background:var(--paper);border:1px solid var(--line);border-radius:8px;font-size:.92rem;color:var(--muted)}
.design-list li::before{content:"";position:absolute;left:14px;top:20px;width:8px;height:8px;border-radius:1px;background:var(--accent)}
.waitlist{max-width:480px}
.disclaimer{display:inline-block;background:var(--accent-soft);color:var(--accent-ink);font-weight:600;font-size:.88rem;padding:8px 14px;border-radius:6px;margin-bottom:16px;font-family:var(--mono)}
form.wait{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:24px}
.field{margin-bottom:16px;min-width:0}
.field label{display:block;font-size:.85rem;font-weight:700;color:var(--ink);margin-bottom:6px}
.req,.opt{font-weight:500;color:var(--muted)}
.field input,.field select{width:100%;border:1px solid var(--line);background:var(--bg);color:var(--ink);padding:12px 13px;font:inherit;border-radius:6px;min-height:48px}
.field input::placeholder{color:#5a6a7a}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.ok{background:var(--ok-bg);border:1px solid var(--ok-line);color:var(--ok-ink);padding:20px 22px;border-radius:10px}
.ok h3{font-size:1.1rem;margin-bottom:4px;color:var(--ink)}
.err{background:var(--err-bg);border:1px solid var(--err-line);color:var(--err-ink);padding:10px 14px;border-radius:8px;margin-bottom:14px}
footer{border-top:1px solid var(--line);margin-top:56px;padding:22px 0 44px;color:var(--muted);font-size:.85rem;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.disclaimer-foot{font-weight:600;color:var(--muted)}
@media(max-width:860px){
  .features{grid-template-columns:1fr}
  .design-list{grid-template-columns:1fr}
}
@media(max-width:520px){
  html,body{font-size:16px}
  .nav a:not(.nav-cta){display:none}
  .hero{padding-top:32px}
}