/* ============================================================
   HKM SYSTEMS — shared stylesheet
   Warm, plain-spoken, built for the people who buy it: trades and
   service businesses. One accent (hi-vis amber) and one status green.
   Every other value is a warm neutral.
   ============================================================ */

:root{
  --ink:#16181b;        /* headings, primary text */
  --ink-2:#4a5058;      /* body text */
  --ink-3:#656c75;      /* secondary text — AA on --paper */
  --paper:#faf8f4;      /* page */
  --card:#ffffff;
  --line:#e6e1d8;
  --line-2:#d6cfc1;
  --dark:#16181b;       /* dark bands */
  --dark-2:#23262b;

  --accent:#f2a900;     /* hi-vis amber: buttons, highlights */
  --accent-hover:#ffba1a;
  --accent-ink:#1a1400; /* text on amber */
  --accent-soft:#fff4d6;
  --accent-text:#8a5f00;/* amber as text — AA on --paper */

  --ok:#1f7a45;         /* live */
  --ok-soft:#e3f4ea;

  --sans:-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;

  --radius:14px;
  --radius-lg:20px;
  --gut:20px;
  --max:1120px;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--accent);color:var(--accent-ink)}
a{color:inherit}
img,video{max-width:100%;display:block}
code{font-family:var(--mono);font-size:.9em;background:var(--accent-soft);padding:1px 5px;border-radius:5px}

.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--gut)}
.sec{padding:64px 0;border-top:1px solid var(--line)}

a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-9999px;top:0;z-index:100;background:var(--ink);color:#fff;
  padding:10px 16px;text-decoration:none;border-radius:0 0 8px 0}
.skip:focus{left:0}

/* ---------------- type ---------------- */
.eyebrow,h2.eyebrow{
  font-family:var(--sans);font-size:13px;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--accent-text);margin:0 0 12px;line-height:1.4;
}
.eyebrow .sep{color:var(--line-2)}
h1,h2,h3{font-weight:800;letter-spacing:-.025em;margin:0;color:var(--ink)}
h1{font-size:clamp(38px,6.4vw,64px);line-height:1.03;letter-spacing:-.035em}
h2{font-size:clamp(28px,4.4vw,42px);line-height:1.1}
h3{font-size:18px;letter-spacing:-.015em}
h1 em{font-style:normal;background:linear-gradient(transparent 62%,rgba(242,169,0,.42) 62%)}
.lede{color:var(--ink-2);font-size:clamp(17px,2.2vw,20px);max-width:52ch;margin:16px 0 0}
.body{color:var(--ink-2);font-size:17px;max-width:64ch;margin:16px 0 0}
.meta{font-size:14px;color:var(--ink-3)}
.sec-head{display:flex;flex-direction:column;gap:4px;margin-bottom:22px}
.fineprint{margin-top:22px;color:var(--ink-3);font-size:14px;max-width:70ch}

/* ---------------- nav ---------------- */
.site-head{
  position:sticky;top:0;z-index:50;
  background:rgba(250,248,244,.92);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);transition:box-shadow .2s ease;
}
.site-head.scrolled{box-shadow:0 4px 18px rgba(22,24,27,.06)}
.nav{display:flex;align-items:center;gap:14px;height:64px}
.mark{font-weight:800;font-size:20px;letter-spacing:-.02em;text-decoration:none;white-space:nowrap}
.nav .spacer{flex:1}

/* chapter nav: plain page anchors */
.chapters{
  position:sticky;top:64px;z-index:40;background:rgba(250,248,244,.94);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.chapters ul{display:flex;list-style:none;margin:0;padding:0;overflow-x:auto;scrollbar-width:none}
.chapters ul::-webkit-scrollbar{display:none}
.chapters li:first-child a{padding-left:var(--gut)}
.chapters a{display:block;padding:11px 14px;font-size:14px;font-weight:500;color:var(--ink-3);
  text-decoration:none;border-bottom:3px solid transparent;white-space:nowrap}
.chapters a:hover{color:var(--ink)}
.chapters a[aria-current="true"]{color:var(--ink);font-weight:700;border-bottom-color:var(--accent)}

/* ---------------- buttons ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--sans);font-size:15px;font-weight:700;
  padding:13px 20px;border-radius:10px;border:2px solid var(--ink);
  text-decoration:none;background:transparent;color:var(--ink);white-space:nowrap;
  transition:background .15s ease,color .15s ease,border-color .15s ease;
}
.btn-sm{padding:9px 14px;font-size:14px}
.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btns .btn{flex:1 1 auto;min-width:180px}

/* ---------------- status tags ---------------- */
.pill{
  margin-left:auto;font-family:var(--sans);font-size:12px;font-weight:700;letter-spacing:.01em;
  padding:4px 10px;border-radius:999px;border:1px solid var(--line-2);color:var(--ink-3);
  background:var(--card);white-space:nowrap;
}
.pill-live{background:var(--ok-soft);border-color:var(--ok-soft);color:var(--ok)}
.pill-dryrun,.pill-built,.pill-ready{background:#eef0f3;border-color:#eef0f3;color:var(--ink-2)}
.pill-request{border-style:dashed;color:var(--ink-3)}
.pill-enquiry{background:var(--accent-soft);border-color:var(--accent-soft);color:var(--accent-text)}
.pill-complete{background:#eef0f3;border-color:#eef0f3;color:var(--ink-3)}
.pill-dev{border-style:dashed}
.pill-gate{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.pill-inline{margin-left:0}

/* ---------------- stage cards ---------------- */
.stages{display:flex;flex-direction:column;gap:12px;margin-top:30px}
.stage{position:relative;overflow:hidden;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:20px}
.stage-top{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.stage-no{font-size:12px;font-weight:700;color:var(--accent-text);letter-spacing:.06em}
.stage h3{font-size:18px}
.stage p{margin:10px 0 0;color:var(--ink-2);font-size:16px;max-width:60ch}
.stage .meta{margin-top:10px;display:block;font-size:13px}
.stage .ghost{position:absolute;right:16px;top:50%;transform:translateY(-50%);
  font-size:78px;font-weight:800;letter-spacing:-.05em;color:rgba(22,24,27,.04);pointer-events:none}

/* the gate: the one dark card in the flow */
.stage-gate{background:var(--dark);border-color:var(--dark);color:#fff;padding:26px 20px}
.stage-gate h3{color:#fff;font-size:20px}
.stage-gate .stage-no{color:var(--accent)}
.stage-gate p{color:#d6d8dc;font-size:17px}
.stage-gate .meta{color:#a9aeb6}
.stage-gate .ghost{color:rgba(255,255,255,.05)}

.pipe-grid{display:block}
.stage-rail{display:none}
@media (min-width:1000px){
  .pipe-grid{display:grid;grid-template-columns:190px 1fr;gap:44px;align-items:start;margin-top:30px}
  .pipe-grid .stages{margin-top:0}
  .stage-rail{display:block;position:sticky;top:130px;list-style:none;margin:0;padding:0;border-left:2px solid var(--line)}
  .stage-rail li{font-size:14px;color:var(--ink-3);padding:7px 0 7px 14px;margin-left:-2px;border-left:2px solid transparent}
  .stage-rail li[data-active="true"]{color:var(--ink);font-weight:700;border-left-color:var(--accent)}
  .stage-rail .rail-head{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-text)}
}

/* ---------------- systems index ---------------- */
.systems{display:grid;gap:14px;margin-top:28px}
.sys{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;display:flex;flex-direction:column;text-decoration:none;
  transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease}
.sys:hover{border-color:var(--line-2);box-shadow:0 10px 28px rgba(22,24,27,.07);transform:translateY(-2px)}
.sys-top{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.sys h3{font-size:19px}
.sys p{margin:8px 0 0;color:var(--ink-2);font-size:16px;flex:1}
.sys .more{margin-top:14px;font-size:14px;font-weight:700;color:var(--accent-text)}
.sys-group{padding:18px 2px 0;display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}
.sys-group h3{font-size:22px}
.sys-group p{margin:0;font-size:14px;color:var(--ink-3)}

/* ---------------- proof ---------------- */
.stats{display:grid;grid-template-columns:1fr 1fr;border-radius:var(--radius-lg);overflow:hidden;background:var(--dark)}
.stat{padding:24px 20px;color:#fff}
.stat b{display:block;font-size:clamp(34px,6vw,50px);letter-spacing:-.035em;line-height:1;font-weight:800;
  font-variant-numeric:tabular-nums}
.stat span{display:block;margin-top:8px;color:#b9bdc4;font-size:14px}
.context{margin-top:20px;color:var(--ink-2);font-size:16px}

.ticker{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:26px;font-size:14px;color:var(--ink-2)}
.ticker b{color:var(--ink);font-variant-numeric:tabular-nums}

/* ---------------- lists and columns ---------------- */
.built-list{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:10px}
.built-list li{background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:14px 16px;color:var(--ink-2);font-size:16px;display:flex;gap:14px;align-items:baseline}
.built-list b{flex:0 0 108px;font-size:13px;font-weight:800;letter-spacing:.02em;color:var(--ink)}
.cols{display:grid;gap:14px}
.col{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.col h3{font-size:18px}
.col p{margin:8px 0 0;color:var(--ink-2);font-size:16px}

.fn{font-size:.62em;vertical-align:super;line-height:0;text-decoration:none;color:var(--accent-text);padding:0 .12em}
.notes{margin-top:40px;padding-top:22px;border-top:1px solid var(--line)}
.notes h2{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin-bottom:10px}
.notes ol{margin:0;padding-left:1.3em;color:var(--ink-3);font-size:14px}
.notes li{margin:6px 0;scroll-margin-top:140px}
.notes li:target{color:var(--ink);background:var(--accent-soft)}

/* ---------------- statement bands ---------------- */
.statement{min-height:0;padding:72px 0;display:flex;align-items:center;border-top:1px solid var(--line)}
.statement>.wrap{width:100%}
.statement h2{font-size:clamp(32px,5.6vw,56px);line-height:1.04;letter-spacing:-.035em;max-width:18ch}
.statement .lede{margin-top:18px}
.statement .meta{margin-top:18px;display:block}
.statement-invert{background:var(--dark);border-top:0;color:#fff}
.statement-invert h2{color:#fff}
.statement-invert .eyebrow{color:var(--accent)}
.statement-invert .lede{color:#d6d8dc}
.statement-invert .meta{color:#a9aeb6}

/* ---------------- hero ---------------- */
.hero{padding:36px 0 56px;border-top:0}
.hero-grid{display:grid;gap:30px;align-items:center}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink-2);
  background:var(--card);border:1px solid var(--line);padding:6px 12px;border-radius:999px}
.kicker .dot{width:8px;height:8px;border-radius:50%;background:var(--ok)}
.hero h1{margin-top:18px}
.trust{display:flex;gap:10px 20px;flex-wrap:wrap;margin-top:22px;font-size:14px;color:var(--ink-2)}
.trust b{color:var(--ink)}
.photo{position:relative;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4/3;background:#e9e4da}
.photo img{width:100%;height:100%;object-fit:cover;object-position:35% 50%}
.toast{position:absolute;left:14px;right:14px;bottom:14px;max-width:360px;background:var(--card);
  border-radius:14px;padding:12px 14px;box-shadow:0 12px 32px rgba(0,0,0,.2);
  display:flex;gap:12px;align-items:flex-start;font-size:14px}
.toast .ic{flex:0 0 34px;height:34px;border-radius:9px;background:var(--accent);color:var(--accent-ink);
  display:grid;place-items:center;font-weight:800}
.toast b{display:block}
.toast span{color:var(--ink-2)}
.toast .app{display:flex;gap:8px;margin-top:8px}
.toast .app i{font-style:normal;font-size:12px;font-weight:700;padding:5px 10px;border-radius:7px;background:var(--ink);color:#fff}
.toast .app i.ghost{background:#eef0f3;color:var(--ink)}
.hero-sub{padding:44px 0 40px}
.hero-sub .ticker{margin-top:20px}

/* "made to fit" block */
.fit{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;margin-top:30px}
.fit ul{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:10px}
.fit li{display:flex;gap:10px;color:var(--ink-2)}
.fit li::before{content:"✓";color:var(--accent-text);font-weight:800}
.fit small{display:block;margin-top:14px;color:var(--ink-3);font-size:13px}

/* ---------------- interactive gate demo ---------------- */
.gatedemo{margin-top:30px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.gatedemo-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  padding:12px 18px;background:#f3efe7;border-bottom:1px solid var(--line)}
.gatedemo-head .meta{font-size:13px;font-weight:600}
.gatedemo-body{padding:18px}
.gd-card{border:1px solid var(--line);border-radius:12px;background:var(--paper);padding:16px;margin-bottom:12px}
.gd-card[data-state="approved"]{border-color:var(--ok);background:#f4fbf7}
.gd-card[data-state="sent"],.gd-card[data-state="rejected"]{opacity:.5}
.gd-top{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.gd-top strong{font-size:16px}
.gd-sys{font-size:13px;color:var(--ink-3)}
.gd-sub{color:var(--ink-3);font-size:14px;margin-top:4px}
.gd-body{font-family:var(--sans);font-size:14px;line-height:1.7;white-space:pre-wrap;background:var(--card);
  border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-top:12px;color:var(--ink-2)}
.gd-reason{margin:12px 0 0;padding:10px 12px;border-left:3px solid var(--accent);background:var(--accent-soft);
  color:var(--ink-2);font-size:14px;border-radius:0 8px 8px 0}
.gd-actions{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap;align-items:center}
.gd-actions .btn{padding:9px 14px;font-size:14px}
.gd-actions .btn[disabled]{opacity:.35;cursor:not-allowed}
.gd-actions .btn[disabled]:hover{background:transparent;color:var(--ink)}
.gd-actions .btn-primary[disabled]:hover{background:var(--accent);color:var(--accent-ink)}
.gd-state{font-size:12px;font-weight:700;color:var(--ink-3);margin-left:auto;white-space:nowrap}
.gd-card[data-state="approved"] .gd-state{color:var(--ok)}
.gd-bar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;padding-top:14px;margin-top:14px;border-top:1px solid var(--line)}
.gd-bar .spacer{flex:1}
.gd-log{margin:14px 0 0;padding:12px 0 0;border-top:1px solid var(--line);font-size:13px;color:var(--ink-2);list-style:none}
.gd-log li{display:flex;gap:12px;padding:3px 0}
.gd-log li .t{color:var(--ink-3);flex:0 0 66px;font-variant-numeric:tabular-nums}
.gd-log li .s{color:var(--ink);font-weight:700;flex:0 0 58px}
.gd-empty{color:var(--ink-3)}

/* legacy panels, kept styled in case a page still uses them */
.schematic,.log{margin-top:22px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
.schematic-head,.log-head{display:flex;justify-content:space-between;gap:10px;padding:10px 14px;border-bottom:1px solid var(--line)}
.schematic svg{width:100%;height:auto;padding:16px 14px}
.log-rows{margin:0;padding:12px 14px;list-style:none;font-size:13px}
.demo{margin-top:30px}

/* ---------------- CTA / footer ---------------- */
.cta{padding:72px 0;background:var(--dark);color:#fff;border-top:0}
.cta h2{color:#fff}
.cta .eyebrow{color:var(--accent)}
.cta .lede{color:#d6d8dc}
.cta .btn-ghost{border-color:#fff;color:#fff}
.cta .btn-ghost:hover{background:#fff;color:var(--ink)}
.price{margin-top:22px;font-size:15px;color:#d6d8dc}
.price-note{margin-top:6px;font-size:13px;color:#a9aeb6}
.site-foot{border-top:1px solid var(--line);padding:26px 0 44px}
.site-foot p{margin:0;font-size:14px;color:var(--ink-3)}
.site-foot a{color:var(--ink-2)}
.backlink{font-size:14px;font-weight:600;color:var(--ink-3);text-decoration:none;text-transform:none;letter-spacing:0}
.backlink:hover{color:var(--ink)}

/* ---------------- motion ---------------- */
.js-motion .rise{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
.js-motion .rise.in{opacity:1;transform:none}
section[id]{scroll-margin-top:120px}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js-motion .rise{opacity:1;transform:none;transition:none}
  *{transition:none !important;animation:none !important}
}

/* ---------------- wider ---------------- */
@media (min-width:600px){
  :root{--gut:28px}
  .stats{grid-template-columns:repeat(4,1fr)}
  .cols{grid-template-columns:repeat(3,1fr)}
  .systems{grid-template-columns:1fr 1fr}
  .sys-group,.sys-lead{grid-column:1 / -1}
  .sys-wide{grid-column:1 / -1}
  .fit ul{grid-template-columns:1fr 1fr}
  .btns .btn{flex:0 0 auto}
  .sec{padding:84px 0}
}
@media (min-width:900px){
  .hero{padding:60px 0 80px}
  .hero-grid{grid-template-columns:1.02fr 1fr}
  .sec-head{flex-direction:row;align-items:baseline;justify-content:space-between}
}
@media (max-width:599px){
  .built-list li{flex-direction:column;gap:4px}
  .built-list b{flex:0 0 auto}
}

/* ---------------- onboarding steps ---------------- */
.steps{list-style:none;margin:28px 0 0;padding:0;display:grid;gap:12px;counter-reset:step}
.steps li{counter-increment:step;position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:18px 18px 18px 64px}
.steps li::before{content:counter(step);position:absolute;left:18px;top:16px;width:30px;height:30px;
  border-radius:50%;background:var(--accent);color:var(--accent-ink);font-weight:800;font-size:15px;
  display:grid;place-items:center}
.steps h3{font-size:17px}
.steps p{margin:6px 0 0;color:var(--ink-2);font-size:15px}
.steps .when{display:inline-block;margin-left:8px;font-size:12px;font-weight:700;color:var(--accent-text);
  background:var(--accent-soft);padding:2px 8px;border-radius:999px;vertical-align:middle}
.steps li.key{background:var(--dark);border-color:var(--dark)}
.steps li.key h3{color:#fff}
.steps li.key p{color:#d6d8dc}
.timing{display:grid;gap:12px;margin-top:22px}
.timing div{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.timing b{display:block;font-size:15px}
.timing span{color:var(--ink-2);font-size:15px}
@media (min-width:760px){
  .steps{grid-template-columns:1fr 1fr}
  .timing{grid-template-columns:repeat(3,1fr)}
}