/* Robot Fitter shared styles for content pages (robots, guides, thanks, privacy). v2 adds share links; v3 adds one-click questions (polls).
   The home page keeps its own inline CSS for speed; keep the tokens in sync.
   Filename is versioned: rename (site-v2.css) when changing it, because it is
   cached for a year. */
@font-face{font-family:'Archivo';src:url(/fonts/archivo-v25-latin.woff2) format('woff2');font-weight:100 900;font-stretch:62% 125%;font-display:swap}
:root{
  --night:#141C52;--night-2:#1C2569;--night-line:rgba(174,182,232,.22);
  --paper:#EEF1FA;--white:#FFFFFF;--ink:#10163F;--ink-soft:#4B5384;--line:#D3D8EE;
  --on-night:#F2F4FF;--on-night-soft:#AEB6E8;
  --signal:#FFB547;--signal-hi:#FFC76F;
  --scan:#5CE1E6;--privacy:#FF6FB5;--nogo:#B8F15A;
  --focus:#2F3BFF;--ok:#22C55E;--off:#9AA1C4;
  --font:'Archivo',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  --wrap:1120px;--header:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;font-family:var(--font);font-size:1.0625rem;line-height:1.65;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit}
p,ul,ol{margin:0 0 1rem}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:4px}
.site-header :focus-visible,.site-footer :focus-visible,.night :focus-visible{outline-color:var(--signal)}
.wrap{width:min(100% - 2rem,var(--wrap));margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:1rem;top:-4rem;z-index:100;background:var(--signal);color:var(--ink);padding:.6rem 1rem;border-radius:8px;font-weight:700;text-decoration:none}
.skip:focus{top:.75rem}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(20,28,82,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--night-line);color:var(--on-night)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:var(--header)}
.brand{display:inline-flex;align-items:center;gap:.6rem;font-weight:800;font-stretch:125%;font-size:1.05rem;letter-spacing:-.01em;text-decoration:none;color:var(--white);white-space:nowrap}
.brand svg{width:22px;height:22px;flex:none}
.site-nav{display:flex;align-items:center;gap:.25rem}
.site-nav a{color:var(--on-night-soft);font-weight:600;font-size:.9rem;padding:.5rem .7rem;border-radius:8px;text-decoration:none;white-space:nowrap}
.site-nav a:hover{color:var(--white)}
.site-nav a.nav-cta{background:var(--signal);color:var(--ink);padding:.55rem 1.1rem;border-radius:999px;font-weight:700;margin-left:.5rem}
.site-nav a.nav-cta:hover{background:var(--signal-hi)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--signal);color:var(--ink);font:inherit;font-weight:750;font-stretch:110%;font-size:1rem;padding:.95rem 1.7rem;border-radius:999px;border:0;cursor:pointer;text-decoration:none;transition:background-color .15s ease;white-space:nowrap}
.btn:hover{background:var(--signal-hi)}
.btn[disabled]{opacity:.7;cursor:progress}

/* Page head */
.page-head{background:var(--night);color:var(--on-night);padding:clamp(2.5rem,6vw,4.5rem) 0 clamp(2.5rem,5vw,3.75rem)}
.crumbs{list-style:none;margin:0 0 1.5rem;padding:0;display:flex;flex-wrap:wrap;gap:.35rem;font-size:.9rem;color:var(--on-night-soft)}
.crumbs li+li::before{content:"/";margin-right:.35rem;opacity:.6}
.crumbs a{color:var(--on-night);text-underline-offset:.2em}
.page-head h1{margin:0 0 1rem;font-size:clamp(2.1rem,5.6vw,3.6rem);font-stretch:122%;font-weight:800;line-height:1.02;letter-spacing:-.025em;color:var(--white);max-width:22ch}
.standfirst{font-size:1.2rem;color:var(--on-night-soft);max-width:56ch;margin:0}
.updated-line{font-size:.9rem;color:var(--on-night-soft);margin:1.25rem 0 0}

/* Article */
.article{padding:clamp(2.5rem,6vw,4.5rem) 0 clamp(3rem,7vw,5.5rem)}
.measure{max-width:720px}
.article h2{margin:2.75rem 0 .8rem;font-size:clamp(1.4rem,3vw,1.75rem);font-stretch:115%;font-weight:800;letter-spacing:-.015em;line-height:1.15}
.article h2:first-child{margin-top:0}
.article h3{margin:1.75rem 0 .5rem;font-size:1.15rem;font-stretch:108%;font-weight:750;line-height:1.25}
.article p,.article li{color:var(--ink-soft)}
.article strong{color:var(--ink)}
.article ul,.article ol{padding-left:1.25rem}
.article li{margin-bottom:.45rem}
.article a{color:var(--ink);font-weight:600;text-underline-offset:.2em}

/* Key facts */
.facts{width:100%;border-collapse:collapse;margin:0 0 2.5rem;background:var(--white);border-radius:16px;overflow:hidden;box-shadow:0 0 0 1px var(--line)}
.facts caption{text-align:left;font-weight:750;font-stretch:110%;font-size:1.05rem;padding:0 0 .75rem}
.facts th,.facts td{text-align:left;vertical-align:top;padding:.85rem 1.1rem;border-bottom:1px solid var(--line);font-size:.98rem}
.facts tr:last-child th,.facts tr:last-child td{border-bottom:0}
.facts th{width:38%;font-weight:650;color:var(--ink)}
.facts td{color:var(--ink-soft)}
.status{display:inline-flex;align-items:center;gap:.5rem;font-weight:650;color:var(--ink)}
.light{width:10px;height:10px;border-radius:50%;flex:none}
.light.ok{background:var(--ok);box-shadow:0 0 0 4px rgba(34,197,94,.18)}
.light.off{background:var(--off);box-shadow:0 0 0 4px rgba(154,161,196,.22)}

/* Callout: how Robot Fitter helps */
.callout{border-left:4px solid var(--signal);background:var(--white);padding:1.25rem 1.4rem;border-radius:0 14px 14px 0;margin:2rem 0}
.callout p:last-child{margin-bottom:0}

/* Sources */
.sources{margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--line);font-size:.92rem}
.sources h2{font-size:1.05rem;margin:0 0 .6rem}
.sources ul{padding-left:1.1rem}

/* Related */
.article .related{list-style:none;padding:0;margin:0;display:grid;gap:.6rem}
.article .related li{margin:0}
.article .related a{display:block;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:.9rem 1.1rem;text-decoration:none;font-weight:650;color:var(--ink)}
.related a:hover{border-color:var(--ink-soft)}
.related span{display:block;font-weight:400;font-size:.92rem;color:var(--ink-soft)}

/* Signup panel */
.signup-panel{background:var(--night);color:var(--on-night);border-radius:22px;padding:clamp(1.5rem,4vw,2.5rem);margin:3rem 0}
.signup-panel h2{color:var(--white);margin:0 0 .5rem !important}
.signup-panel p{color:var(--on-night-soft)}
.inline-field{display:flex;flex-wrap:wrap;gap:.6rem}
.inline-field input{flex:1 1 14rem;min-width:0;font:inherit;font-size:1rem;color:var(--ink);background:var(--white);border:2px solid transparent;border-radius:999px;padding:.85rem 1.25rem;outline:none}
.inline-field input:focus{border-color:var(--signal)}
.inline-field input[aria-invalid="true"]{border-color:#FF8A7A;background:#FFF4F2}
.form-error{font-size:.95rem;font-weight:600;margin:.75rem 0 0}
.night .form-error,.signup-panel .form-error{color:#FFB4A8}
.form-privacy{font-size:.88rem;margin:.9rem 0 0}
.signup-panel .form-privacy{color:var(--on-night-soft)}
.signup-panel .form-privacy a{color:var(--on-night);font-weight:600}
.success-banner{padding:1rem 1.15rem;border-radius:12px;color:var(--white);font-weight:650;margin:.9rem 0 0}
.success-banner:focus{outline:none}
.success-banner p{margin:0;color:var(--white) !important}
.success-banner--error{background:#A3241C}
.honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;opacity:0}

/* Footer */
.site-footer{background:var(--night);color:var(--on-night-soft);padding:3rem 0;font-size:.95rem}
.site-footer .wrap{display:grid;gap:2rem}
.site-footer p{margin:0}
.site-footer .legal{margin-top:1rem}
.footer-cols{display:grid;gap:1.5rem}
.footer-title{font-size:.9rem;font-weight:700;color:var(--on-night);margin:0 0 .5rem !important}
.footer-nav ul{list-style:none;margin:0;padding:0;display:grid;gap:.3rem}
.footer-nav a{color:var(--on-night-soft);text-decoration:none}
.footer-nav a:hover,.footer-nav a[aria-current="page"]{color:var(--white);text-decoration:underline;text-underline-offset:.25em}

@media (max-width:719px){
  .site-nav a:not(.nav-cta){display:none}
  .facts th{width:auto}
}
@media (min-width:720px){
  .site-footer .wrap{grid-template-columns:1fr auto;align-items:start}
  .footer-cols{grid-template-columns:auto auto;gap:3rem}
}

/* Share links (v2) */
.share{margin:2.5rem 0;padding:1.25rem 1.4rem;background:var(--white);border:1px solid var(--line);border-radius:16px}
.article .share-title{margin:0 0 .75rem;font-weight:650;color:var(--ink)}
.share-links{display:flex;flex-wrap:wrap;gap:.5rem}
.article .share-btn{display:inline-flex;align-items:center;gap:.45rem;font:inherit;font-size:.95rem;font-weight:650;color:var(--ink);background:var(--paper);border:1.5px solid var(--line);border-radius:999px;padding:.55rem 1rem;text-decoration:none;cursor:pointer}
.article .share-btn:hover{border-color:var(--ink-soft)}
.share-btn svg{width:16px;height:16px;flex:none}

/* One-click questions (v3) */
.poll{margin:2.5rem 0;padding:1.4rem 1.5rem;background:var(--white);border:2px solid var(--night);border-radius:18px}
.article .poll-q{margin:0 0 1rem;font-size:1.15rem;font-stretch:108%;font-weight:750;line-height:1.3;color:var(--ink)}
.poll-options{display:flex;flex-wrap:wrap;gap:.5rem}
.poll-btn{font:inherit;font-size:1rem;font-weight:700;color:var(--ink);background:var(--paper);border:2px solid var(--line);border-radius:999px;padding:.6rem 1.4rem;cursor:pointer;transition:border-color .15s ease,background-color .15s ease}
.poll-btn:hover{border-color:var(--night)}
.poll-btn[aria-pressed="true"]{background:var(--night);border-color:var(--night);color:var(--white)}
.poll-btn[disabled]{cursor:default}
.article .poll-thanks{margin:0;font-weight:650;color:var(--ink)}
.article .poll-error{margin:.75rem 0 0;color:#B3261E;font-weight:600}
.article .poll-note{margin:.9rem 0 0;font-size:.85rem}