/* ============================================================
   factosystem.com — site styles. Colours are tokens: change them here only.
   ============================================================ */
:root{
  --paper:#F6F7F4; --surface:#FFFFFF; --ink:#18212C; --steel:#55606E;
  --rule:#D3D8D0; --tag:#F2C230; --tag-ink:#2A2200; --pass:#2E7D4F; --link:#1E4E8C;
  --radius-s:4px; --radius-m:10px;
  --font-head:"Barlow Semi Condensed","Arial Narrow",Arial,sans-serif;
  --font-body:"Barlow",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --wrap:72rem;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#12171D; --surface:#1A2129; --ink:#E8ECEF; --steel:#9AA5B1;
    --rule:#2C3640; --tag:#E9B820; --tag-ink:#1E1800; --pass:#5FBF86; --link:#8DB8F0;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --paper:#12171D; --surface:#1A2129; --ink:#E8ECEF; --steel:#9AA5B1;
  --rule:#2C3640; --tag:#E9B820; --tag-ink:#1E1800; --pass:#5FBF86; --link:#8DB8F0;
  color-scheme:dark;
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:5rem}
body{margin:0;background:var(--paper);color:var(--ink);font:1.0625rem/1.6 var(--font-body)}
img,svg{max-width:100%;height:auto}
a{color:var(--link);text-underline-offset:.15em}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--tag);outline-offset:2px;border-radius:2px}
h1,h2,h3{font-family:var(--font-head);line-height:1.1;margin:0 0 .5em}
h1{font-size:clamp(2.2rem,5.5vw,3.6rem);font-weight:700}
h2{font-size:clamp(1.6rem,3.2vw,2.1rem);font-weight:600}
h3{font-size:1.3rem;font-weight:600}
p{margin:0 0 1em;max-width:65ch}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 1.25rem}
.skip{position:absolute;left:-999px;top:0;background:var(--tag);color:var(--tag-ink);padding:.5rem 1rem;z-index:99}
.skip:focus{left:1rem}
.muted{color:var(--steel)}

/* ---------- Header ---------- */
.site-header{background:var(--surface);border-bottom:1px solid var(--rule);position:sticky;top:0;z-index:20}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:4rem;gap:1rem;position:relative}
.brand{display:flex;align-items:center;gap:.6rem;font:700 1.45rem var(--font-head);color:var(--ink);text-decoration:none}
.brand img{display:block;height:40px;width:auto}
@media (max-width:420px){.brand img{height:32px}}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:1.5rem}
.nav a{color:var(--ink);text-decoration:none;font-weight:500;padding:.4rem 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{border-bottom-color:var(--tag)}
.nav-toggle{display:none;background:none;border:1px solid var(--rule);border-radius:var(--radius-s);color:var(--ink);font:500 1rem var(--font-body);padding:.4rem .8rem;cursor:pointer}
@media (max-width:760px){
  .nav-toggle{display:block}
  .nav{position:absolute;top:100%;left:0;right:0;background:var(--surface);border-bottom:1px solid var(--rule);display:none}
  .nav.open{display:block}
  .nav ul{flex-direction:column;gap:0;padding:.25rem 1.25rem 1rem}
  .nav a{display:block;padding:.75rem 0;border-bottom:1px solid var(--rule)}
}

/* ---------- Sections ---------- */
.section{padding:3.5rem 0}
.section + .section{border-top:1px solid var(--rule)}
.page-head{padding:2.5rem 0 1.5rem}
.page-head p{font-size:1.15rem;color:var(--steel)}
.crumbs{font-size:.95rem;color:var(--steel);margin:0 0 1rem}
.crumbs a{color:var(--steel)}

/* ---------- Hero ---------- */
.hero{padding:4rem 0 3.5rem}
.hero .wrap{display:grid;grid-template-columns:1.3fr 1fr;gap:3rem;align-items:center}
.hero .lead{font-size:1.25rem;color:var(--steel)}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr}.hero{padding-top:2.5rem}}

/* Calibration tag: the site's one signature element */
.cal-tag{position:relative;background:var(--tag);color:var(--tag-ink);border-radius:var(--radius-m) var(--radius-m) var(--radius-m) 2.5rem;padding:1.75rem 1.75rem 1.5rem 3.5rem;width:100%;max-width:22rem;justify-self:center;transform:rotate(-3deg)}
.cal-tag::before{content:"";position:absolute;left:1.15rem;top:1.5rem;width:1rem;height:1rem;border-radius:50%;background:var(--paper);box-shadow:inset 0 0 0 2px rgba(0,0,0,.25)}
.cal-tag .tag-title{font:700 1.5rem var(--font-head);margin:0 0 .9rem}
.cal-tag dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:.4rem 1rem}
.cal-tag dt{font-weight:600}
.cal-tag dd{margin:0;border-bottom:1px dashed rgba(0,0,0,.4)}
@media (prefers-reduced-motion:no-preference){
  .cal-tag{animation:tag-in .7s ease-out both}
  @keyframes tag-in{from{transform:rotate(-14deg) translateY(-14px);opacity:0}to{transform:rotate(-3deg);opacity:1}}
}

/* ---------- Buttons ---------- */
.btn{display:inline-block;font:600 1.05rem var(--font-body);padding:.75rem 1.4rem;border-radius:var(--radius-s);text-decoration:none;border:2px solid var(--ink);color:var(--ink);background:transparent;cursor:pointer}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn:hover{text-decoration:underline}
.actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.5rem}

/* ---------- Tool register (styled like an instrument register) ---------- */
.register-wrap{overflow-x:auto}
.register{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--rule)}
.register th,.register td{text-align:left;padding:.85rem 1rem;border-bottom:1px solid var(--rule);vertical-align:top}
.register th{font-weight:600;font-size:.95rem;color:var(--steel);background:var(--paper)}
.register td:first-child{font-weight:600}
.status{display:inline-block;font-size:.85rem;font-weight:600;padding:.15rem .55rem;border-radius:var(--radius-s);white-space:nowrap}
.status-live{background:var(--pass);color:#fff}
.status-soon{border:1px solid var(--rule);color:var(--steel)}

/* ---------- Feature columns ---------- */
.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));gap:2rem}
.split > div{border-top:3px solid var(--ink);padding-top:1rem}

/* ---------- Steps (a real sequence) ---------- */
.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:1.25rem;max-width:44rem}
.steps li{counter-increment:s;display:grid;grid-template-columns:2.5rem 1fr;gap:1rem}
.steps li::before{content:counter(s);font:700 1.6rem/1 var(--font-head);color:var(--steel)}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink);color:var(--paper)}
.cta-band h2,.cta-band p{color:var(--paper)}
.cta-band .btn{border-color:var(--tag);background:var(--tag);color:var(--tag-ink)}

/* ---------- Forms ---------- */
.form{display:grid;gap:1rem;max-width:36rem}
.form label{font-weight:600;display:block;margin-bottom:.3rem}
.form input,.form textarea,.form select{width:100%;font:inherit;padding:.65rem .75rem;border:1px solid var(--rule);border-radius:var(--radius-s);background:var(--surface);color:var(--ink)}
.form textarea{min-height:8rem;resize:vertical}

/* ---------- Services ---------- */
.hero-art{width:100%;height:auto;border-radius:var(--radius-m);border:1px solid var(--rule)}
.svc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1.25rem}
.svc-card{background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius-m);padding:1.5rem;display:flex;flex-direction:column;gap:.5rem;position:relative}
.svc-card:hover{border-color:var(--steel)}
.svc-card img{width:72px;height:72px;margin-bottom:.5rem}
.svc-card h2,.svc-card h3{font-size:1.4rem;margin:0}
.svc-card a{color:var(--ink);text-decoration:none}
.svc-card a::after{content:"";position:absolute;inset:0}
.svc-card a:focus-visible::after{outline:3px solid var(--tag);border-radius:var(--radius-m)}
.svc-card p{margin:0;color:var(--steel)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
@media (max-width:760px){.two-col{grid-template-columns:1fr}}
.report-box{background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius-m);padding:1.25rem}
.report-box img{width:100%;height:auto;border-radius:var(--radius-s);margin-bottom:1rem}
.mini-list{list-style:none;margin:0;padding:0}
.mini-list li{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.6rem 0;border-top:1px solid var(--rule)}
.page-head .with-art{display:grid;grid-template-columns:1fr auto;gap:2.5rem;align-items:center}
.head-icon{width:200px;height:200px}
@media (max-width:760px){.page-head .with-art{grid-template-columns:1fr}.head-icon{width:120px;height:120px;order:-1}}
.std-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));gap:1.25rem}
.std-card{margin:0;background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius-m);overflow:hidden}
.std-card img{width:100%;height:auto;display:block;border-bottom:1px solid var(--rule)}
.std-card figcaption{padding:1rem 1.25rem}
.std-card p{margin:0;color:var(--steel)}
.with-art-wide{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:center}
.with-art-wide img{width:100%;height:auto;border-radius:var(--radius-m);border:1px solid var(--rule)}
@media (max-width:860px){.with-art-wide{grid-template-columns:1fr}}
.split-tight{grid-template-columns:1fr;gap:1.5rem}
.ticks{list-style:none;padding:0;margin:0;display:grid;gap:.5rem}
.ticks li{padding-left:1.6rem;position:relative}
.ticks li::before{content:"";position:absolute;left:0;top:.45em;width:.9rem;height:.6rem;border-left:3px solid var(--pass);border-bottom:3px solid var(--pass);transform:rotate(-45deg)}
.note{margin-top:1.5rem}
.link-row{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.75rem}
.link-row a{display:inline-block;padding:.6rem 1.1rem;border:2px solid var(--ink);border-radius:var(--radius-s);color:var(--ink);text-decoration:none;font-weight:600}
.link-row a:hover{background:var(--ink);color:var(--paper)}
.cta-band .btn-ghost{background:transparent;color:var(--paper);border-color:var(--paper)}

/* ---------- Prose pages ---------- */
.prose{max-width:44rem}
.prose h2{margin-top:1.75rem;font-size:1.5rem}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--rule);padding:2.5rem 0;font-size:.95rem;color:var(--steel);background:var(--surface)}
.site-footer .wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(12rem,1fr));gap:1.5rem}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:.35rem}
.site-footer a{color:var(--steel)}
.site-footer h3{font-size:1.05rem;color:var(--ink)}
.site-footer .powered{font-weight:600;color:var(--ink)}
.site-footer .powered a{color:var(--ink)}

/* ---------- Print: report pages print without site chrome ---------- */
@media print{
  .site-header,.site-footer,.cta-band,.no-print,.nav-toggle{display:none!important}
  body{background:#fff;color:#000}
}