:root{
  --ink:#0B0D10;
  --muted:#5B636E;
  --faint:#8A929C;
  --line:#E4E7EB;
  --line-2:#EEF0F3;
  --surface:#F4F5F7;
  --white:#FFFFFF;
  --signal:#1B44D6;
  --signal-ink:#12329E;
  --led-green:#22B562;
  --led-blue:#2F6BFF;
  --led-red:#E23B3B;
  --nav-h:66px;
  --pad:clamp(20px,5vw,80px);
  --maxw:1240px;
  --display:"Archivo","Helvetica Neue",Arial,sans-serif;
  --body:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--body);
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  line-height:1.5;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{font-family:var(--display);font-weight:700;line-height:1.04;letter-spacing:-0.02em;margin:0}
p{margin:0}

/* ---------- utility ---------- */
.eyebrow{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--signal-ink);
  display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{
  content:"";width:7px;height:7px;border-radius:50%;
  background:var(--signal);
}
.wrap{max-width:var(--maxw);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.mono{font-family:var(--mono)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:50px;padding:0 26px;
  font-family:var(--display);font-weight:600;font-size:15px;letter-spacing:0.01em;
  border-radius:2px;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn--primary{background:var(--ink);color:#fff}
.btn--primary:hover{background:var(--signal)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--ink)}
.btn--sm{height:44px;padding:0 20px;font-size:14px}
.btn .arw{font-family:var(--mono);font-weight:400}

/* ---------- nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:100;
  display:flex;align-items:center;
  background:rgba(255,255,255,0.82);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav__in{max-width:var(--maxw);margin:0 auto;width:100%;padding:0 var(--pad);display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:11px}
.brand__dot{width:9px;height:9px;border-radius:50%;background:var(--signal);box-shadow:0 0 0 3px rgba(27,68,214,.14)}
.brand__name{font-family:var(--display);font-weight:800;font-size:16px;letter-spacing:0.04em}
.brand__name span{font-weight:500;color:var(--muted)}
.nav__links{display:flex;align-items:center;gap:2px}
.nav__link{
  font-family:var(--display);font-weight:500;font-size:13px;color:var(--muted);
  padding:9px 10px;border-radius:2px;transition:color .16s ease;background:none;border:none;
}
.nav__link:hover{color:var(--ink)}
.nav__link.is-current{color:var(--ink)}
.nav__dl{font-family:var(--mono);font-size:11.5px;letter-spacing:0.02em;color:var(--signal-ink);border:1px solid var(--line);border-radius:2px;padding:7px 12px;transition:border-color .16s,opacity .2s}
.nav__dl:hover{border-color:var(--signal-ink)}
.nav__dl.is-hidden{display:none}
.nav__cta{margin-left:8px}
.nav__burger{display:none;background:none;border:none;padding:8px;flex-direction:column;gap:5px}
.nav__burger span{display:block;width:22px;height:2px;background:var(--ink)}

/* ---------- page routing ---------- */
.page{display:none}
.page.is-active{display:block}
main{padding-top:var(--nav-h)}

/* ================= HOME : scroll sequence ================= */
.sequence{position:relative;display:grid;grid-template-columns:1.05fr 0.95fr;gap:0}
.sequence__media{
  position:sticky;top:var(--nav-h);height:calc(100vh - var(--nav-h));
  background:var(--white);
  display:flex;align-items:center;justify-content:center;
  border-right:1px solid var(--line);
  overflow:hidden;
}
.frame{position:relative;width:100%;height:100%}
.frame__img{
  position:absolute;inset:0;margin:auto;
  width:88%;height:auto;max-height:74%;object-fit:contain;
  top:0;bottom:0;
  opacity:0;transform:scale(1.012);
  transition:opacity .7s ease,transform .9s ease;
  filter:drop-shadow(0 24px 40px rgba(11,13,16,.06));
}
.frame__img.is-shown{opacity:1;transform:scale(1)}
.frame__index{
  position:absolute;left:var(--pad);bottom:34px;display:flex;gap:9px;align-items:center;z-index:3;
}
.frame__index .d{width:8px;height:8px;border-radius:50%;background:var(--line);transition:background .3s,transform .3s}
.frame__index .d.on{background:var(--signal);transform:scale(1.25)}
.frame__tag{
  position:absolute;left:var(--pad);top:30px;z-index:3;
  font-family:var(--mono);font-size:11.5px;letter-spacing:0.14em;text-transform:uppercase;color:var(--faint);
}

.sequence__steps{display:block}
.step{
  min-height:calc(100vh - var(--nav-h));
  display:flex;flex-direction:column;justify-content:center;
  padding:8vh var(--pad) 8vh clamp(28px,4vw,64px);
  border-bottom:1px solid var(--line-2);
  transition:opacity .4s ease;
}
.step:last-child{border-bottom:0}
.step__n{font-family:var(--mono);font-size:12px;color:var(--faint);letter-spacing:0.1em;margin-bottom:22px}
.step h2{font-size:clamp(30px,3.4vw,46px);max-width:15ch;margin-bottom:20px}
.step p{color:var(--muted);font-size:clamp(16px,1.15vw,18px);max-width:42ch;margin-bottom:26px}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  font-family:var(--mono);font-size:12.5px;letter-spacing:0.02em;color:var(--ink);
  border:1px solid var(--line);border-radius:2px;padding:8px 12px;background:var(--white);
}
.chip b{color:var(--signal-ink);font-weight:600}
.step.dim{opacity:.32}

/* ================= hero ================= */
.hero{border-bottom:1px solid var(--line)}
.hero__in{max-width:var(--maxw);margin:0 auto;padding:clamp(56px,8vw,110px) var(--pad) clamp(48px,6vw,80px);display:grid;grid-template-columns:1.1fr 0.9fr;gap:clamp(32px,5vw,72px);align-items:center}
.hero__text h1{font-size:clamp(34px,4.2vw,56px);max-width:16ch;letter-spacing:-0.025em}
.hero__sub{color:var(--muted);font-size:clamp(16px,1.2vw,19px);max-width:44ch;margin-top:22px;line-height:1.55}
.hero__actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.hero__media{display:flex;justify-content:center}
.hero__media img{width:100%;max-width:620px;height:auto;border-radius:4px;filter:drop-shadow(0 24px 48px rgba(11,13,16,.08))}

/* ================= outcome cards ================= */
.ogrid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:3px;overflow:hidden}
.ocard{background:var(--white);padding:clamp(24px,2.6vw,36px)}
.ocard__icon{color:var(--ink);margin-bottom:20px}
.ocard h3{font-size:18px;margin-bottom:10px}
.ocard p{color:var(--muted);font-size:15px;line-height:1.55}

/* ================= app brief (home) ================= */
.appbrief__in{display:grid;grid-template-columns:1.1fr 0.9fr;gap:clamp(32px,5vw,72px);align-items:center}
.appbrief__media img{width:100%;height:auto;border-radius:4px;border:1px solid var(--line)}
.appbrief__text h2{font-size:clamp(28px,3.2vw,44px);margin-top:16px;max-width:16ch}
.appbrief__text p{color:var(--muted);font-size:17px;margin-top:18px;max-width:46ch}

/* ================= section shell ================= */
.section{padding:clamp(72px,9vw,128px) 0;border-top:1px solid var(--line)}
.section--surface{background:var(--surface)}
.section__head{max-width:var(--maxw);margin:0 auto 56px;padding:0 var(--pad)}
.section__head h2{font-size:clamp(28px,3.2vw,44px);margin-top:16px;max-width:20ch}
.section__lead{color:var(--muted);font-size:18px;max-width:56ch;margin-top:18px}

/* app page */
.appshot{margin:0;border:1px solid var(--line);border-radius:4px;overflow:hidden;background:var(--white)}
.appshot img{width:100%;height:auto;display:block}
.appshot figcaption{padding:16px 22px;border-top:1px solid var(--line);font-family:var(--mono);font-size:12.5px;color:var(--muted)}
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:3px;overflow:hidden}
.feat__card{background:var(--white);padding:clamp(26px,3vw,36px)}
.feat__k{font-family:var(--mono);font-size:11.5px;letter-spacing:0.12em;text-transform:uppercase;color:var(--faint)}
.feat__card h3{font-size:19px;margin:14px 0 10px}
.feat__card p{color:var(--muted);font-size:15px}

/* how it works — second scroll sequence */
.how-seq{border-top:1px solid var(--line);background:var(--surface)}
.how-seq .section__head{padding-top:clamp(72px,9vw,120px);margin-bottom:0}
.section__head h2.bigtitle{font-size:clamp(44px,7vw,96px);letter-spacing:-0.035em;line-height:0.96;max-width:none;margin-top:0}
.how-seq__lead{font-family:var(--display);font-weight:600;font-size:clamp(20px,2.2vw,30px);letter-spacing:-0.015em;margin-top:20px;max-width:24ch}
.sequence--alt .sequence__media{order:2;border-right:0;border-left:1px solid var(--line)}
.sequence--alt .sequence__steps{order:1}
.sequence--alt .step{padding:8vh clamp(28px,4vw,64px) 8vh var(--pad);border-bottom:1px solid var(--line)}
.sequence--alt .step:last-child{border-bottom:0}
.leds{display:flex;gap:22px;margin-top:22px;flex-wrap:wrap}
.led{display:flex;align-items:center;gap:9px;font-family:var(--mono);font-size:12px;color:var(--muted)}
.led i{width:9px;height:9px;border-radius:50%;display:inline-block}
.led i.g{background:var(--led-green)} .led i.b{background:var(--led-blue)} .led i.r{background:var(--led-red)}

/* shelf showcase (home closer) */
.showcase{border-top:1px solid var(--line);background:var(--surface)}
.showcase__in{max-width:var(--maxw);margin:0 auto;padding:clamp(56px,7vw,88px) var(--pad);display:grid;grid-template-columns:1fr 0.95fr;gap:clamp(32px,5vw,72px);align-items:center}
.showcase__text h2{font-size:clamp(28px,3.2vw,44px);max-width:16ch;margin-top:16px}
.showcase__text p{color:var(--muted);font-size:17px;max-width:42ch;margin-top:18px}
.showcase__stats{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);margin-top:32px;max-width:380px}
.showcase__stat{background:var(--white);padding:22px}
.showcase__stat .v{font-family:var(--display);font-weight:700;font-size:30px;letter-spacing:-0.02em}
.showcase__stat .k{font-family:var(--mono);font-size:11.5px;letter-spacing:0.1em;text-transform:uppercase;color:var(--faint);margin-top:8px}
.showcase__media{display:flex;justify-content:center}
.showcase__media img{width:auto;max-width:100%;max-height:min(78vh,760px);height:auto;display:block;border:1px solid var(--line);border-radius:4px;background:var(--white)}

/* specs setup diagram */
.setup{border-top:1px solid var(--line)}
.setup__fig{max-width:1400px;margin:40px auto 0;border:1px solid var(--line);border-radius:4px;overflow:hidden;background:var(--white)}
.setup__fig img{width:100%;height:auto;display:block}


/* cta strip */
.cta{background:var(--ink);color:#fff;border-radius:4px;padding:clamp(36px,5vw,64px);display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap}
.cta h2{color:#fff;font-size:clamp(26px,3vw,40px);max-width:18ch}
.cta p{color:#B9C0CB;margin-top:14px;max-width:42ch}
.cta .btn--primary{background:#fff;color:var(--ink)}
.cta .btn--primary:hover{background:var(--signal);color:#fff}

/* ================= SPECS ================= */
.pagehead{padding-top:clamp(56px,7vw,96px);padding-bottom:clamp(30px,4vw,48px)}
.pagehead h1{font-size:clamp(34px,4.4vw,60px);margin-top:18px;max-width:16ch}
.pagehead p{color:var(--muted);font-size:18px;max-width:58ch;margin-top:20px}

.matrix-scroll{overflow-x:auto}
table{border-collapse:collapse;width:100%;min-width:640px}
.matrix caption,.spectable caption{text-align:left;font-family:var(--mono);font-size:12px;letter-spacing:0.12em;text-transform:uppercase;color:var(--faint);padding-bottom:16px}
.matrix th,.matrix td{border:1px solid var(--line);padding:16px 18px;text-align:left;vertical-align:top}
.matrix thead th{background:var(--surface);font-family:var(--display);font-weight:600;font-size:14px}
.matrix tbody th{background:var(--white);font-family:var(--display);font-weight:600;font-size:15px;width:210px}
.matrix tbody th small{display:block;font-family:var(--mono);font-weight:400;font-size:12px;color:var(--faint);margin-top:4px;letter-spacing:0.02em}
.cell{display:flex;flex-direction:column;gap:5px}
.cell .m{font-family:var(--mono);font-weight:600;font-size:14px;color:var(--ink)}
.cell .r{font-family:var(--mono);font-size:12px;color:var(--muted)}
.matrix td:hover{background:#F8FAFF}

.spectable{width:100%;border:1px solid var(--line);border-collapse:collapse}
.spectable tr{border-bottom:1px solid var(--line-2)}
.spectable tr:last-child{border-bottom:0}
.spectable th{text-align:left;font-family:var(--display);font-weight:600;font-size:15px;padding:16px 20px;width:38%;vertical-align:top}
.spectable td{padding:16px 20px;color:var(--muted);font-size:15px;font-family:var(--body)}
.spectable td .mono{color:var(--ink)}

.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.spec-grid--3{grid-template-columns:1fr 1fr 1fr}
.acc-card{border:1px solid var(--line);border-radius:3px;padding:28px;background:var(--white)}
.acc-card h3{font-size:20px}
.acc-card .code{font-family:var(--mono);font-size:12px;color:var(--signal-ink);margin-top:6px;display:block}
.acc-card ul{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:12px}
.acc-card li{display:flex;gap:12px;font-size:14.5px;color:var(--muted);font-family:var(--body)}
.acc-card li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--signal);margin-top:8px}
.note{font-family:var(--body);font-size:14px;color:var(--muted);margin-top:22px;padding-left:16px;border-left:2px solid var(--signal)}

/* ================= QUOTE ================= */
.quote-grid{display:grid;grid-template-columns:1.35fr 0.9fr;gap:56px;align-items:start}
.qcard{border:1px solid var(--line);border-radius:3px;overflow:hidden;background:var(--white)}
.qcard__head{padding:18px 22px;border-bottom:1px solid var(--line);background:var(--surface);display:flex;justify-content:space-between;align-items:baseline}
.qcard__head h3{font-size:16px}
.qcard__head span{font-family:var(--mono);font-size:11.5px;color:var(--faint);letter-spacing:0.08em;text-transform:uppercase}
.qrow{display:grid;grid-template-columns:24px 1fr 130px 96px;gap:16px;align-items:center;padding:16px 22px;border-bottom:1px solid var(--line-2)}
.qrow:last-child{border-bottom:0}
.qrow__name{font-family:var(--display);font-weight:600;font-size:15px}
.qrow__name small{display:block;font-family:var(--mono);font-weight:400;font-size:11.5px;color:var(--faint);margin-top:4px;letter-spacing:0.02em}
.qrow.acc{grid-template-columns:24px 1fr 96px}
input[type="checkbox"]{appearance:none;-webkit-appearance:none;width:20px;height:20px;border:1.5px solid var(--line);border-radius:3px;display:grid;place-content:center;transition:.15s;background:#fff;cursor:pointer;margin:0}
input[type="checkbox"]:checked{background:var(--signal);border-color:var(--signal)}
input[type="checkbox"]:checked::after{content:"";width:6px;height:10px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg) translateY(-1px)}
select,input[type="number"],input[type="text"],input[type="email"],textarea{
  font-family:var(--body);font-size:14.5px;color:var(--ink);
  border:1px solid var(--line);border-radius:2px;padding:11px 12px;width:100%;background:#fff;transition:border-color .15s;
}
select:focus,input:focus,textarea:focus{outline:none;border-color:var(--signal);box-shadow:0 0 0 3px rgba(27,68,214,.1)}
select:disabled,input:disabled{background:var(--surface);color:var(--faint)}
.qform{display:grid;gap:16px}
.qform label{font-family:var(--mono);font-size:11.5px;letter-spacing:0.08em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:7px}
.qform .two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.qside{position:sticky;top:calc(var(--nav-h) + 24px)}
.summary{border:1px solid var(--line);border-radius:3px;background:var(--surface);padding:24px}
.summary h3{font-size:17px;margin-bottom:6px}
.summary__hint{color:var(--muted);font-size:13.5px;margin-bottom:18px}
.summary__list{list-style:none;margin:0 0 18px;padding:0;display:grid;gap:10px;min-height:20px}
.summary__list li{display:flex;justify-content:space-between;gap:14px;font-size:14px;font-family:var(--mono);border-bottom:1px dashed var(--line);padding-bottom:9px}
.summary__list li span:first-child{color:var(--ink)}
.summary__list li span:last-child{color:var(--muted)}
.summary__empty{color:var(--faint);font-family:var(--body);font-size:14px}
.errmsg{color:var(--led-red);font-size:13px;font-family:var(--body);margin-top:4px;min-height:16px}
.confirm{border:1px solid var(--signal);background:#F5F7FF;border-radius:3px;padding:28px;display:none}
.confirm.is-open{display:block}
.confirm h3{font-size:20px}
.confirm p{color:var(--muted);margin-top:10px;font-size:15px}
.confirm pre{font-family:var(--mono);font-size:12.5px;white-space:pre-wrap;background:#fff;border:1px solid var(--line);border-radius:2px;padding:16px;margin-top:18px;color:var(--ink);max-height:220px;overflow:auto}
.confirm__actions{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}

/* ================= footer ================= */
.foot{background:var(--ink);color:#C6CCD4;padding:64px 0 40px;border-top:1px solid var(--ink)}
.foot__top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid #23272E}
.foot .brand__name{color:#fff}
.foot p{font-size:14px;margin-top:16px;max-width:36ch;color:#8B93A0}
.foot h4{font-family:var(--mono);font-size:11.5px;letter-spacing:0.12em;text-transform:uppercase;color:#6C7480;font-weight:500;margin-bottom:16px}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.foot ul button,.foot ul a{color:#C6CCD4;font-size:14.5px;background:none;border:none;padding:0;font-family:var(--body);text-align:left}
.foot ul button:hover,.foot ul a:hover{color:#fff}
.foot__bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:26px;font-size:12.5px;color:#6C7480;font-family:var(--mono);letter-spacing:0.02em}

/* ================= responsive ================= */
@media (max-width:900px){
  .nav__links{position:fixed;inset:var(--nav-h) 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;gap:0;border-bottom:1px solid var(--line);padding:8px var(--pad) 18px;transform:translateY(-140%);transition:transform .28s ease;box-shadow:0 20px 40px rgba(0,0,0,.06)}
  .nav__links.open{transform:translateY(0)}
  .nav__link{padding:14px 4px;font-size:16px}
  .nav__cta{margin:8px 0 0}
  .nav__burger{display:flex}
  .sequence{grid-template-columns:1fr}
  .sequence__media{border-right:0;border-bottom:1px solid var(--line);height:52vh;top:var(--nav-h)}
  .frame__img{width:92%;max-height:80%}
  .step{min-height:auto;padding:56px var(--pad)}
  .step.dim{opacity:1}
  .frame__tag,.frame__index{left:var(--pad)}
  .hero__in{grid-template-columns:1fr;gap:32px}
  .hero__media{order:-1}
  .ogrid{grid-template-columns:1fr 1fr}
  .appbrief__in{grid-template-columns:1fr;gap:32px}
  .appbrief__media{order:-1}
  .feat{grid-template-columns:1fr}
  .sequence--alt .sequence__media{order:0;border-left:0;border-bottom:1px solid var(--line)}
  .sequence--alt .sequence__steps{order:1}
  .sequence--alt .step{padding:56px var(--pad)}
  .showcase__in{grid-template-columns:1fr;gap:32px}
  .spec-grid{grid-template-columns:1fr;gap:36px}
  .spec-grid--3{grid-template-columns:1fr}
  .quote-grid{grid-template-columns:1fr;gap:32px}
  .qside{position:static}
  .foot__top{grid-template-columns:1fr;gap:32px}
}
@media (max-width:560px){
  .ogrid{grid-template-columns:1fr}
  .qrow{grid-template-columns:22px 1fr;gap:12px 14px}
  .qrow .qcap,.qrow .qqty{grid-column:2}
  .qrow.acc{grid-template-columns:22px 1fr}
  .qform .two{grid-template-columns:1fr}
  .showcase__stats{grid-template-columns:1fr 1fr}
  .cta{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
  .frame__img{transition:opacity .001s!important}
}
:focus-visible{outline:2px solid var(--signal);outline-offset:2px;border-radius:2px}
/* privacy policy */
.privacy-body{max-width:720px}
.privacy-body h2{font-size:18px;margin:32px 0 10px}
.privacy-body h2:first-child{margin-top:0}
.privacy-body p{color:var(--muted);font-size:15px;line-height:1.65;margin-bottom:12px}
.privacy-body a{color:var(--signal-ink);text-decoration:underline;text-underline-offset:2px}
.privacy-body strong{color:var(--ink);font-weight:600}

/* ================= landing pages ================= */
.lp-hero{border-bottom:1px solid var(--line);padding:clamp(64px,9vw,120px) 0 clamp(48px,6vw,80px)}
.lp-hero__in{max-width:720px}
.lp-hero h1{font-size:clamp(32px,4vw,52px);max-width:18ch;letter-spacing:-0.025em}
.lp-hero__sub{color:var(--muted);font-size:clamp(16px,1.2vw,19px);max-width:52ch;margin-top:20px;line-height:1.55}
.lp-hero .hero__actions{margin-top:32px}

.ogrid--3{grid-template-columns:repeat(3,1fr)}

.lp-outcomes{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:3px;overflow:hidden}
.lp-stat{background:var(--white);padding:clamp(20px,2.5vw,32px);text-align:center}
.lp-stat .v{font-family:var(--display);font-weight:700;font-size:clamp(24px,2.8vw,36px);letter-spacing:-0.02em;color:var(--ink)}
.lp-stat .k{font-family:var(--mono);font-size:11px;letter-spacing:0.1em;text-transform:uppercase;color:var(--faint);margin-top:8px}

@media (max-width:900px){
  .ogrid--3{grid-template-columns:1fr}
  .lp-outcomes{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .lp-outcomes{grid-template-columns:1fr}
}

/* landing page hero with image */
.lp-hero__in{display:grid;grid-template-columns:1.1fr 0.9fr;gap:clamp(32px,5vw,72px);align-items:center;max-width:var(--maxw)}
.lp-hero__text{max-width:none}
.lp-hero__media img{width:100%;height:auto;border-radius:4px;filter:drop-shadow(0 20px 40px rgba(11,13,16,.08))}
.lp-break{border-top:1px solid var(--line);background:var(--white)}
.lp-break__in{max-width:var(--maxw);margin:0 auto;padding:clamp(40px,5vw,64px) var(--pad);display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,56px);align-items:center}
.lp-break__in.flip{direction:rtl}
.lp-break__in.flip>*{direction:ltr}
.lp-break__text h3{font-size:clamp(22px,2.6vw,32px);max-width:16ch}
.lp-break__text p{color:var(--muted);font-size:16px;margin-top:14px;max-width:44ch}
.lp-break__media img{width:100%;height:auto;border-radius:4px;border:1px solid var(--line)}

@media (max-width:900px){
  .lp-hero__in{grid-template-columns:1fr}
  .lp-hero__media{order:-1}
  .lp-break__in,.lp-break__in.flip{grid-template-columns:1fr}
  .lp-break__media{order:-1}
}

/* product video */
.vid-section{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--ink)}
.vid-wrap{max-width:1400px;margin:0 auto}
.vid-player{display:block;width:100%;height:auto}

/* nav dropdown */
.nav__dd{position:relative}
.nav__dd-trigger{font-family:var(--display);font-weight:500;font-size:13px;color:var(--muted);padding:9px 10px;border-radius:2px;transition:color .16s;background:none;border:none;cursor:pointer}
.nav__dd-trigger::after{content:" ▾";font-size:10px;opacity:.5}
.nav__dd-trigger:hover{color:var(--ink)}
.nav__dd-menu{display:none;position:absolute;top:100%;left:0;min-width:260px;background:#fff;border:1px solid var(--line);border-radius:3px;box-shadow:0 12px 32px rgba(11,13,16,.1);padding:6px 0;z-index:200}
.nav__dd.is-open .nav__dd-menu{display:block}
.nav__dd-item{display:block;width:100%;text-align:left;padding:10px 18px;font-family:var(--body);font-size:14px;color:var(--muted);background:none;border:none;cursor:pointer;transition:background .12s,color .12s}
.nav__dd-item:hover{background:var(--surface);color:var(--ink)}
@media (max-width:900px){
  .nav__dd{width:100%}
  .nav__dd-menu{display:none;position:static;box-shadow:none;border:none;border-left:2px solid var(--signal);margin:0 0 0 14px;padding:4px 0}
  .nav__dd.is-open .nav__dd-menu{display:block}
}

/* case study pages */
.cs-hero{border-bottom:1px solid var(--line);padding:clamp(56px,8vw,100px) 0 clamp(40px,5vw,64px)}
.cs-hero__in{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.cs-hero__label{font-family:var(--mono);font-size:11px;letter-spacing:0.12em;text-transform:uppercase;color:var(--signal-ink);display:inline-flex;align-items:center;gap:8px}
.cs-hero__label::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--signal)}
.cs-hero h1{font-size:clamp(30px,3.8vw,48px);max-width:20ch;margin-top:16px;letter-spacing:-0.02em}
.cs-hero__sub{color:var(--muted);font-size:clamp(16px,1.15vw,18px);max-width:52ch;margin-top:16px;line-height:1.55}

.cs-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,4vw,56px);align-items:start}
.cs-narrative{max-width:640px}
.cs-narrative h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:14px}
.cs-narrative p{color:var(--muted);font-size:15.5px;line-height:1.65;margin-bottom:14px}
.cs-narrative p:last-child{margin-bottom:0}

.cs-sidebar{position:sticky;top:calc(var(--nav-h) + 24px)}
.cs-fact{border:1px solid var(--line);border-radius:3px;background:var(--white);padding:24px;margin-bottom:16px}
.cs-fact__label{font-family:var(--mono);font-size:10.5px;letter-spacing:0.12em;text-transform:uppercase;color:var(--faint);margin-bottom:12px}
.cs-fact__row{display:flex;justify-content:space-between;align-items:baseline;padding:8px 0;border-bottom:1px solid var(--line-2)}
.cs-fact__row:last-child{border-bottom:0}
.cs-fact__k{font-family:var(--body);font-size:14px;color:var(--muted)}
.cs-fact__v{font-family:var(--display);font-weight:700;font-size:15px;color:var(--ink)}

.cs-results{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:3px;overflow:hidden}
.cs-result{background:var(--white);padding:clamp(20px,2.5vw,28px);text-align:center}
.cs-result .v{font-family:var(--display);font-weight:700;font-size:clamp(22px,2.5vw,32px);color:var(--signal-ink)}
.cs-result .k{font-family:var(--mono);font-size:10.5px;letter-spacing:0.1em;text-transform:uppercase;color:var(--faint);margin-top:6px}

.cs-quote{border-left:3px solid var(--signal);padding:20px 0 20px 24px;margin:28px 0}
.cs-quote p{font-family:var(--body);font-size:17px;font-style:italic;color:var(--ink);line-height:1.55;margin:0}
.cs-quote cite{display:block;font-family:var(--mono);font-size:12px;font-style:normal;color:var(--faint);margin-top:10px}

.cs-img{border:1px solid var(--line);border-radius:4px;overflow:hidden;margin-bottom:16px}
.cs-img img{width:100%;height:auto;display:block}
.cs-img figcaption{padding:12px 16px;font-family:var(--mono);font-size:11.5px;color:var(--faint);border-top:1px solid var(--line)}

@media (max-width:900px){
  .cs-grid{grid-template-columns:1fr}
  .cs-sidebar{position:static}
  .cs-results{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .cs-results{grid-template-columns:1fr}
}

/* case study hero with background image */
.cs-hero--img{background-size:cover;background-position:center 40%;position:relative;min-height:340px}
.cs-hero--img::before{content:"";position:absolute;inset:0;background:linear-gradient(to right,rgba(255,255,255,.95) 55%,rgba(255,255,255,.4) 100%)}
.cs-hero--img .cs-hero__in{position:relative;z-index:1}
@media (max-width:900px){
  .cs-hero--img::before{background:rgba(255,255,255,.92)}
}

/* bin configurator */
.bin-entry{padding:22px;border-bottom:1px solid var(--line)}
.bin-entry:last-child{border-bottom:none}
.bin-entry__head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.bin-entry__num{font-family:var(--mono);font-size:11.5px;letter-spacing:0.08em;text-transform:uppercase;color:var(--signal-ink);font-weight:600}
.bin-remove{background:none;border:1px solid var(--line);border-radius:2px;width:28px;height:28px;cursor:pointer;color:var(--muted);font-size:14px;transition:border-color .15s,color .15s}
.bin-remove:hover{border-color:#ef4444;color:#ef4444}
.bin-fields{display:grid;gap:16px}
.bf-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.bf{display:flex;flex-direction:column}
.bf label{font-family:var(--mono);font-size:11.5px;letter-spacing:0.08em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:7px}
.bf-select,.bf-input{padding:10px 14px;font-size:15px;font-family:var(--body);border:1px solid var(--line);border-radius:2px;color:var(--ink);background:var(--white);transition:border-color .15s}
.bf-select:focus,.bf-input:focus{outline:none;border-color:var(--signal)}
.bf-select{-webkit-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 5l3 3 3-3' stroke='%235B636E' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;padding-right:32px}
.bf--qty{max-width:180px}
.bf-hint{font-family:var(--mono);font-size:11px;color:var(--faint);margin-top:4px}
@media (max-width:600px){
  .bf-row{grid-template-columns:1fr}
}

/* quick answer block */
.qa-wrap{padding:clamp(28px,4vw,44px) 0 0}
.qa{max-width:820px;border:1px solid var(--line);border-left:3px solid var(--signal);border-radius:3px;background:var(--white);padding:18px 22px}
.qa__k{font-family:var(--mono);font-size:11px;letter-spacing:0.1em;text-transform:uppercase;color:var(--signal-ink);margin-bottom:8px}
.qa p{margin:0;font-size:16px;line-height:1.6;color:var(--ink)}
/* FAQ */
.faq{max-width:820px;display:grid;gap:10px}
.faq__item{border:1px solid var(--line);border-radius:3px;background:var(--white);padding:0}
.faq__item summary{cursor:pointer;list-style:none;padding:16px 20px;font-family:var(--display);font-weight:600;font-size:16px;color:var(--ink);position:relative;padding-right:44px}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-family:var(--mono);color:var(--signal-ink);font-size:18px}
.faq__item[open] summary::after{content:"–"}
.faq__item p{margin:0;padding:0 20px 18px;color:var(--muted);font-size:15px;line-height:1.6}
/* hub cards */
.hubgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.hubcard{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:3px;background:var(--white);padding:22px;text-decoration:none;color:inherit;transition:border-color .15s,transform .15s}
.hubcard:hover{border-color:var(--signal);transform:translateY(-2px)}
.hubcard h3{font-size:17px;margin:0 0 8px}
.hubcard p{color:var(--muted);font-size:14.5px;line-height:1.55;margin:0 0 14px;flex:1}
.hubcard__go{font-family:var(--mono);font-size:12px;color:var(--signal-ink)}
@media (max-width:900px){.hubgrid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.hubgrid{grid-template-columns:1fr}}

/* quote send fallback */
.qfallback{border:1px solid #f0c36d;background:#fff8e6;border-radius:3px;padding:16px 18px;margin-top:4px;color:var(--ink)}
.qfallback p{margin:0 0 12px;font-size:14.5px;line-height:1.55;color:var(--ink)}
.qfallback__btns{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.qfallback__small{font-size:13px!important;color:var(--muted)!important;margin:0!important}

/* spam honeypot */
.hp{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden}

/* quote page: optional tags and email links */
.opt{font-family:var(--mono);font-size:10.5px;letter-spacing:0.08em;text-transform:uppercase;color:var(--faint);border:1px solid var(--line);border-radius:2px;padding:2px 6px;margin-left:8px;vertical-align:middle;font-weight:500}
.quote-mail{margin-top:12px;font-size:16px;color:var(--muted)}
.quote-mail a{color:var(--signal-ink);text-decoration:underline;text-underline-offset:3px}
.quote-mail--small{font-size:14px;margin-top:4px}
.quote-mail--side{font-size:14px;margin:16px 0 0;padding-top:14px;border-top:1px solid var(--line)}

/* comparison pages */
.ogrid--2{grid-template-columns:repeat(2,1fr)}
@media (max-width:560px){.ogrid--2{grid-template-columns:1fr}}
.ocard__k{font-family:var(--mono);font-size:11.5px;letter-spacing:0.1em;text-transform:uppercase;color:var(--signal-ink);margin-bottom:12px}
.matrix.cmp td{font-size:14.5px;color:var(--muted);line-height:1.5}
.matrix.cmp thead th.us{background:var(--signal);color:#fff}
.matrix.cmp td.us{background:#F5F8FF;color:var(--ink)}
.matrix.cmp tbody th{width:auto;min-width:150px}
.section .matrix-scroll+.note a,.lp-break__text p a{color:var(--signal-ink);text-decoration:underline;text-underline-offset:3px}

/* ROI calculator */
.roi{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;align-items:start}
.roi__in{display:grid;gap:18px}
.roi fieldset{border:1px solid var(--line);border-radius:3px;background:var(--white);padding:18px 20px 20px;margin:0;display:grid;gap:14px}
.roi legend{font-family:var(--display);font-weight:600;font-size:16px;padding:0 6px;color:var(--ink)}
.roi label{display:grid;gap:6px;font-size:14.5px;color:var(--ink)}
.roi label small{color:var(--muted);font-size:12.5px}
.roi input[type="number"]{width:100%;max-width:220px}
.roi__out{position:sticky;top:90px;border:1px solid var(--line);border-radius:3px;background:var(--white);padding:24px}
.roi__k{font-family:var(--mono);font-size:11.5px;letter-spacing:0.1em;text-transform:uppercase;color:var(--faint)}
.roi__big{font-family:var(--display);font-weight:700;font-size:clamp(32px,4vw,44px);color:var(--ink);margin-top:6px}
.roi__big--save{color:var(--signal-ink)}
.roi__rows{margin:16px 0 0;display:grid;gap:8px}
.roi__rows div{display:flex;justify-content:space-between;gap:12px;font-size:14.5px;border-top:1px solid var(--line-2);padding-top:8px}
.roi__rows dt{color:var(--muted)}
.roi__rows dd{margin:0;font-family:var(--mono);color:var(--ink)}
.roi__small{font-size:13px;color:var(--muted);margin:10px 0 18px}
@media (max-width:900px){.roi{grid-template-columns:1fr}.roi__out{position:static}}

/* ask an engineer */
.ask-sec{border-top:1px solid var(--line)}
.ask{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(24px,4vw,56px);align-items:start}
.ask__text h2{font-size:clamp(24px,2.8vw,34px);margin:14px 0 12px;max-width:18ch}
.ask__text p{color:var(--muted);font-size:16px;max-width:42ch}
.ask__form{display:grid;gap:14px;background:var(--white);border:1px solid var(--line);border-radius:3px;padding:22px}
.ask__form label{display:grid;gap:6px;font-size:14px;font-weight:500;color:var(--ink)}
.ask__form textarea,.ask__form input[type="email"]{width:100%}
.ask__form .btn{justify-self:start}
.ask__msg,.bld__msg,.nudge__s{font-size:14px;margin:0;color:var(--muted);min-height:1em}
.is-ok{color:#13703A!important}
.is-err{color:#B42318!important}
.is-err a,.is-ok a{color:inherit;text-decoration:underline}
@media (max-width:900px){.ask{grid-template-columns:1fr}}

/* research pack nudge */
.nudge{position:fixed;right:20px;bottom:20px;z-index:60;width:340px;max-width:calc(100vw - 32px);background:var(--white);border:1px solid var(--line);border-top:3px solid var(--signal);border-radius:4px;box-shadow:0 12px 40px rgba(11,13,16,.16);padding:18px 18px 14px;transform:translateY(16px);opacity:0;transition:transform .3s ease,opacity .3s ease}
.nudge.is-in{transform:none;opacity:1}
.nudge__k{font-family:var(--display);font-weight:700;font-size:17px;padding-right:24px}
.nudge p{font-size:14px;color:var(--muted);line-height:1.5;margin:8px 0 12px}
.nudge__f{display:grid;gap:8px}
.nudge__f input[type="email"]{width:100%}
.nudge__s{font-size:12.5px!important;margin:8px 0 0!important}
.nudge__x{position:absolute;top:8px;right:8px;width:32px;height:32px;border:0;background:none;font-size:22px;line-height:1;color:var(--faint);cursor:pointer}
.nudge__x:hover{color:var(--ink)}
@media (max-width:560px){.nudge{left:16px;right:16px;bottom:16px;width:auto}}
@media (prefers-reduced-motion:reduce){.nudge{transition:none}}

/* system builder */
.bld{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:28px;align-items:start}
.bld__step{display:flex;gap:14px;align-items:flex-start;margin:8px 0 16px}
.bld__step:not(:first-child){margin-top:36px}
.bld__step h2{font-size:22px;margin:0}
.bld__step p{color:var(--muted);font-size:14.5px;margin:4px 0 0}
.bld__n{flex:0 0 auto;width:30px;height:30px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-family:var(--mono);font-size:14px}
.bld__card{background:var(--white);border:1px solid var(--line);border-radius:3px;padding:18px}
.bgroup{margin-bottom:14px}
.bgroup__head{display:flex;gap:10px;align-items:center;margin-bottom:14px}
.bgroup__label{flex:1;min-width:0;font-weight:600}
.bgroup__rm{border:0;background:none;color:var(--muted);font-size:13px;cursor:pointer;text-decoration:underline;padding:6px}
.bgroup__rm:hover{color:#B42318}
.bgroup__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.bfield{display:grid;gap:6px;font-size:13.5px;font-weight:500;color:var(--ink)}
.bfield>span small,.bfield small{font-weight:400;color:var(--faint)}
.bfield input,.bfield select{width:100%}
.dims{display:flex;align-items:center;gap:8px}.dims input{flex:1;min-width:0}.dims span{color:var(--faint)}
.unit{display:flex;align-items:center;gap:8px}.unit input{flex:1;min-width:0}.unit em{font-style:normal;color:var(--muted)}
.bgroup__res{margin-top:14px;padding:10px 12px;border-radius:3px;background:#F5F8FF;border-left:3px solid var(--signal);font-size:14px}
.bgroup__res b{font-family:var(--mono);font-weight:600}
.bgroup__res span{color:var(--muted)}
.bgroup__res p{margin:6px 0 0;color:var(--ink);font-size:13.5px;line-height:1.5}
.bgroup__res.is-warn{background:#FFF8E6;border-left-color:#D99A00}
.bgroup__res.is-bad{background:#FEF0EF;border-left-color:#B42318}
.bld__add{width:100%;justify-content:center;border-style:dashed}
.bld__layout{display:grid;gap:16px}
.bld__layout .bfield input[type="number"]{max-width:160px}
.seg{display:flex;flex-wrap:wrap;gap:6px}
.seg label{cursor:pointer;position:relative}
.seg input{position:absolute;left:0;top:0;width:1px;height:1px;margin:0;opacity:0;pointer-events:none}
.seg span{display:inline-block;padding:8px 14px;border:1px solid var(--line);border-radius:3px;font-size:14px;font-weight:500;background:#fff}
.seg input:checked+span{border-color:var(--signal);background:#F5F8FF;color:var(--signal-ink)}
.seg input:focus-visible+span{box-shadow:0 0 0 3px rgba(27,68,214,.2)}
.bcheck{display:flex;gap:10px;align-items:center;font-size:14.5px;cursor:pointer}
.bld__out{position:sticky;top:90px;background:var(--white);border:1px solid var(--line);border-radius:3px;padding:22px}
.bld__k{font-family:var(--mono);font-size:11.5px;letter-spacing:0.1em;text-transform:uppercase;color:var(--faint)}
.bld__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}
.bld__stats div{border:1px solid var(--line-2);border-radius:3px;padding:10px;text-align:center}
.bld__stats b{display:block;font-family:var(--display);font-size:28px;line-height:1.1}
.bld__stats span{font-size:12.5px;color:var(--muted)}
.bld__list{width:100%;min-width:0;margin-top:8px;border-collapse:collapse}
.bld__list td{padding:9px 0;border-bottom:1px solid var(--line-2);vertical-align:top;font-size:14px}
.bld__list td:last-child{text-align:right;font-family:var(--mono);font-weight:600;padding-left:12px}
.bld__list code{display:block;font-family:var(--mono);font-weight:600;font-size:13.5px}
.bld__list td span{color:var(--muted);font-size:13px}
.bld__notes{margin:12px 0 0;padding-left:18px;font-size:13px;color:var(--muted);line-height:1.5}
.bld__notes li{margin-bottom:6px}
.bld__notes:empty{display:none}
.bld__actions{display:grid;gap:10px;margin-top:18px}
.bld__actions .btn{justify-content:center}
.bld__mini{display:flex;flex-wrap:wrap;gap:4px 16px;justify-content:center;margin-top:2px}
.linkbtn{border:0;background:none;padding:4px 0;font:inherit;font-size:13.5px;color:var(--signal-ink);text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.bld__form{display:grid;gap:10px;margin-top:16px;padding-top:16px;border-top:1px solid var(--line)}
.bld__form label{display:grid;gap:5px;font-size:13.5px;font-weight:500}
.bld__form label small{font-weight:400;color:var(--faint)}
.bld__form input,.bld__form textarea{width:100%}
.bld__small{font-size:12.5px;color:var(--muted);margin:0}
@media (max-width:900px){.bld{grid-template-columns:1fr}.bld__out{position:static}}
@media (max-width:560px){.bgroup__grid{grid-template-columns:1fr}}
@media print{
  .nav,.foot,.qa-wrap,.bld__actions,.bld__form,.bld__add,.bgroup__rm,.faq,#ask,.section:not(#builderSec),.nudge{display:none!important}
  .bld{grid-template-columns:1fr}.bld__out{position:static;border:0;padding:0}
  .section--surface{background:#fff!important}
  .pagehead{padding:0 0 12px}
}
[hidden]{display:none!important}

/* figures */
.fig{margin:0}
.fig img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:4px;background:#fff}
.fig figcaption{font-size:13.5px;color:var(--muted);margin-top:10px}
.fig--narrow{max-width:780px}
.bld__help{margin-top:14px;background:var(--white);border:1px solid var(--line);border-radius:3px;padding:12px 16px}
.bld__help summary{cursor:pointer;font-size:14px;font-weight:500;color:var(--signal-ink)}
.bld__help .fig{margin-top:12px}

/* ===== system builder wizard ===== */
.wz-head h1{max-width:20ch}
.wz{max-width:1040px;margin:0 auto}
.wz-prog{list-style:none;margin:0 0 28px;padding:0;display:flex;gap:8px;counter-reset:none}
.wz-prog li{flex:1;display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:999px;background:var(--white);border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--faint);cursor:default;min-width:0}
.wz-prog li b{flex:0 0 26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--surface);color:var(--muted);font-size:13px}
.wz-prog li span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.wz-prog li.is-on{border-color:var(--signal);color:var(--ink)}
.wz-prog li.is-on b{background:var(--signal);color:#fff}
.wz-prog li.is-done{color:var(--ink);cursor:pointer}
.wz-prog li.is-done b{background:var(--ink);color:#fff}
.wz-step h2{font-size:clamp(24px,3vw,34px);margin:0;outline:none}
.wz-sub{color:var(--muted);font-size:16px;margin:8px 0 22px}
.wz-sizes{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;align-items:stretch}
.wz-size{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;gap:4px;padding:18px 14px 16px;background:var(--white);border:2px solid var(--line);border-radius:12px;cursor:pointer;font:inherit;color:inherit;transition:border-color .15s,box-shadow .15s,transform .15s}
.wz-size:hover{border-color:#B9C4EC;transform:translateY(-2px)}
.wz-size.on{border-color:var(--signal);box-shadow:0 0 0 4px rgba(27,68,214,.12)}
.wz-ph{height:170px;display:flex;align-items:flex-end;justify-content:center;margin-bottom:10px;width:100%}
.wz-ph img{max-height:100%;max-width:100%;width:auto;height:auto}
.wz-size[data-k="compact"] .wz-ph img{height:56%}
.wz-size[data-k="standard"] .wz-ph img{height:68%}
.wz-size[data-k="large"] .wz-ph img{height:84%}
.wz-size[data-k="xlarge"] .wz-ph img{height:100%}
.wz-size b{font-family:var(--display);font-size:18px}
.wz-dim{font-family:var(--mono);font-size:14px;font-weight:600;color:var(--ink)}
.wz-cmp{font-size:13.5px;color:var(--signal-ink);font-weight:600}
.wz-use{font-size:13px;color:var(--muted)}
.wz-tick{position:absolute;top:12px;left:12px;width:22px;height:22px;border-radius:6px;border:2px solid var(--line);background:#fff}
.on>.wz-tick{background:var(--signal);border-color:var(--signal)}
.on>.wz-tick::after{content:"";position:absolute;left:6px;top:2px;width:6px;height:11px;border:solid #fff;border-width:0 2.5px 2.5px 0;transform:rotate(45deg)}
.wz-custom{position:relative;margin-top:14px;display:inline-flex;align-items:center;gap:10px;padding:12px 16px 12px 46px;background:var(--white);border:2px solid var(--line);border-radius:10px;font:inherit;font-size:15px;font-weight:500;cursor:pointer;color:var(--ink)}
.wz-custom .wz-tick{top:50%;transform:translateY(-50%);left:14px}
.wz-custom.on{border-color:var(--signal)}
.wz-rows{display:grid;gap:12px}
.wz-row{display:grid;grid-template-columns:72px minmax(120px,1fr) auto;gap:16px;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:12px 16px}
.wz-rth{width:72px;height:60px;display:flex;align-items:center;justify-content:center}
.wz-rth img{max-width:100%;max-height:100%}
.wz-q{display:grid;place-items:center;width:44px;height:44px;border-radius:10px;background:var(--surface);color:var(--muted);font-weight:700}
.wz-rtx b{display:block;font-family:var(--display);font-size:17px}
.wz-rtx span{font-family:var(--mono);font-size:13px;color:var(--muted)}
.wz-rq{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end}
.wz-stepper{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
.wz-stepper button{width:44px;height:46px;border:0;background:var(--surface);font-size:22px;line-height:1;cursor:pointer;color:var(--ink)}
.wz-stepper button:hover{background:#E6E9EE}
.wz-stepper input{width:78px;height:46px;border:0!important;border-radius:0!important;text-align:center;font-family:var(--mono);font-size:18px;font-weight:600;padding:0!important;-moz-appearance:textfield}
.wz-stepper input::-webkit-outer-spin-button,.wz-stepper input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.wz-chips{display:flex;gap:6px}
.wz-chips button,.wz-opts button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 14px;font:inherit;font-size:14px;font-weight:500;cursor:pointer;color:var(--ink);transition:border-color .12s,background .12s}
.wz-chips button:hover,.wz-opts button:hover{border-color:#B9C4EC}
.wz-chips button.on,.wz-opts button.on{background:var(--signal);border-color:var(--signal);color:#fff}
.wz-opts{display:flex;flex-wrap:wrap;gap:8px}
.wz-row--wt{grid-template-columns:72px minmax(110px,180px) 1fr}
.wz-opts--wt{justify-content:flex-start}
.wz-layout{display:grid;grid-template-columns:1fr 1.3fr;gap:14px}
.wz-card{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:20px}
.wz-k{font-family:var(--display);font-weight:600;font-size:16px;margin-bottom:12px}
.wz-hint{font-size:13px;color:var(--muted);margin-top:10px}
#netOpts button{display:inline-flex;align-items:center;gap:8px;border-radius:10px;padding:12px 16px}
#netOpts svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
#netOpts svg circle[r="1.2"]{fill:currentColor;stroke:none}
.wz-nav{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:28px;padding-top:20px;border-top:1px solid var(--line)}
.wz-nav.is-last{justify-content:flex-start}
.wz-nav .is-last .wz-sofar{display:none}
.wz-nav .btn[disabled]{opacity:.4;cursor:not-allowed}
.wz-sofar{font-size:14.5px;color:var(--muted);text-align:center}
.wz-sofar b{color:var(--ink);font-family:var(--mono)}
.wz-nav.is-last .wz-sofar{display:none}
.wz-result{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:24px;align-items:start}
.wz-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0}
.wz-stats div{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:14px;text-align:center}
.wz-stats b{display:block;font-family:var(--display);font-size:34px;line-height:1.1}
.wz-stats span{font-size:13px;color:var(--muted)}
.wz-list{background:var(--white);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.wz-li{display:grid;grid-template-columns:64px 1fr auto;gap:14px;align-items:center;padding:12px 16px;border-top:1px solid var(--line-2)}
.wz-li:first-child{border-top:0}
.wz-lth{width:64px;height:52px;display:flex;align-items:center;justify-content:center;overflow:hidden;border-radius:8px}
.wz-lth img{max-width:100%;max-height:100%;object-fit:cover}
.wz-ltx b{display:block;font-size:15.5px}
.wz-ltx span{display:block;font-size:13.5px;color:var(--muted)}
.wz-ltx code{font-family:var(--mono);font-size:12px;color:var(--faint)}
.wz-lq{font-family:var(--mono);font-size:18px;font-weight:700}
.wz-notes{margin:14px 0 0;padding-left:18px;font-size:13.5px;color:var(--muted);line-height:1.5}
.wz-notes:empty{display:none}
.wz-mini{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:14px}
.wz-cta{position:sticky;top:90px;background:var(--white);border:2px solid var(--signal);border-radius:14px;padding:22px;box-shadow:0 12px 32px rgba(27,68,214,.12)}
.wz-cta h3{font-size:21px;margin:0 0 10px}
.wz-next{margin:0 0 16px;padding-left:20px;font-size:14px;color:var(--muted);line-height:1.7}
.wz-cta form{display:grid;gap:10px}
.wz-cta label{display:grid;gap:5px;font-size:13.5px;font-weight:500}
.wz-cta label small{font-weight:400;color:var(--faint)}
.wz-more summary{cursor:pointer;font-size:13.5px;color:var(--signal-ink)}
.wz-more textarea{margin-top:8px;width:100%}
.wz-go{justify-content:center;width:100%;padding-top:14px;padding-bottom:14px;font-size:16px}
.wz-alt{display:block;margin:12px auto 0;font-size:13.5px}
.wz-emailonly{margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
.wz-done{text-align:center;padding:16px 4px}
.wz-check{width:56px;height:56px;border-radius:50%;background:#13703A;color:#fff;font-size:28px;display:grid;place-items:center;margin:0 auto 12px}
.wz-done p{color:var(--muted);font-size:15px}
@media (max-width:900px){
  .wz-sizes{grid-template-columns:repeat(2,1fr)}
  .wz-result,.wz-layout{grid-template-columns:1fr}
  .wz-cta{position:static}
  .wz-prog li span{display:none}.wz-prog li{justify-content:center;flex:0 0 auto;padding:6px}.wz-prog{justify-content:center}
  .wz-prog li.is-on span{display:inline}.wz-prog li.is-on{padding:6px 14px 6px 6px}
}
@media (max-width:640px){
  .wz-ph{height:120px}
  .wz-row,.wz-row--wt{grid-template-columns:56px 1fr;gap:10px 12px}
  .wz-rth{width:56px;height:48px}
  .wz-rq,.wz-opts--wt{grid-column:1/-1;justify-content:flex-start}
  .wz-chips button{padding:8px 11px}
  .wz-sofar{font-size:13px}
  .wz-nav .btn{padding-left:16px;padding-right:16px}
}
@media print{
  .wz-prog,.wz-nav,.wz-cta,.wz-mini,.faq{display:none!important}
  .wz-result{grid-template-columns:1fr}
}
input[type="tel"]{font-family:var(--body);font-size:14.5px;color:var(--ink);border:1px solid var(--line);border-radius:2px;padding:11px 12px;width:100%;background:#fff}
@media (max-width:640px){
  .wz-nav{position:sticky;bottom:0;z-index:20;background:var(--surface);margin:20px -16px 0;padding:12px 16px;box-shadow:0 -6px 16px rgba(11,13,16,.06)}
  .wz-nav.is-last{position:static;box-shadow:none;background:none}
}

/* ===== grouped nav ===== */
.nav__dd-menu{min-width:300px;padding:8px}
.nav__dd-item{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border-radius:8px;text-decoration:none}
.nav__dd-t{font-family:var(--display);font-weight:600;font-size:14.5px;color:var(--ink)}
.nav__dd-d{font-size:12.5px;color:var(--muted)}
.nav__dd-item:hover .nav__dd-t{color:var(--signal-ink)}
.nav__dd-h{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);padding:12px 12px 4px;margin-top:4px;border-top:1px solid var(--line-2)}
.nav__dd-trigger[aria-expanded="true"]{color:var(--ink)}
.nav__quote{margin-left:10px}
.nav__mcta{display:none}
@media (min-width:901px){
  .nav__dd-menu{top:calc(100% + 4px)}
  .nav__dd:hover .nav__dd-menu,.nav__dd:focus-within .nav__dd-menu{display:block}
  .nav__dd::after{content:"";position:absolute;left:0;right:0;top:100%;height:8px}
  .nav__dd .nav__dd-trigger{font-size:14px}
}
@media (max-width:900px){
  .nav__mcta{display:inline-flex;margin-left:auto;margin-right:6px;padding:8px 12px;font-size:13px}
  .nav__links .nav__cta{display:none}
  .nav__quote{margin-left:0}
  .nav__dd-trigger{width:100%;text-align:left;font-size:16px;padding:14px 4px}
  .nav__dd-menu{min-width:0;padding:4px 0 8px}
  .nav__dd-item{padding:9px 12px}
}
@media (max-width:380px){.nav__mcta{padding:7px 9px;font-size:12px}}
@media (max-width:900px){
  .nav__mcta{white-space:nowrap;flex:0 0 auto}
  .nav__in .brand{flex:0 1 auto;min-width:0}
  .nav__in .brand__name{white-space:nowrap}
}
@media (max-width:400px){.nav__in .brand__name{font-size:13px}}

/* builder: add more bins */
.wz-k2{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin:6px 0 8px}
.wz-bins .wz-li{grid-template-columns:64px 1fr auto auto}
.wz-lact{display:flex;align-items:center;min-width:40px;justify-content:flex-end}
.wz-rm{width:32px;height:32px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:18px;line-height:1;color:var(--muted);cursor:pointer}
.wz-rm:hover{border-color:#B42318;color:#B42318}
.wz-addbtn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;margin-top:10px;padding:14px;border:2px dashed #B9C4EC;border-radius:12px;background:#F7F9FF;color:var(--signal-ink);font:inherit;font-weight:600;font-size:15px;cursor:pointer}
.wz-addbtn span{font-size:20px;line-height:1}
.wz-addbtn:hover{border-color:var(--signal);background:#EEF2FF}
.wz-add{margin-top:10px;background:var(--white);border:2px solid var(--signal);border-radius:12px;padding:18px}
.wz-add .wz-k{margin:14px 0 10px;font-size:15px}
.wz-add .wz-k:first-child{margin-top:0}
.wz-addsizes{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.wz-addsizes button{display:flex;flex-direction:column;align-items:center;gap:3px;padding:10px 6px;border:2px solid var(--line);border-radius:10px;background:#fff;font:inherit;cursor:pointer;color:var(--ink)}
.wz-addsizes button img{height:44px;width:auto;margin-bottom:4px}
.wz-addsizes button b{font-size:13.5px}
.wz-addsizes button span{font-family:var(--mono);font-size:11px;color:var(--muted)}
.wz-addsizes button.on{border-color:var(--signal);box-shadow:0 0 0 3px rgba(27,68,214,.12)}
.wz-addq{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.wz-addlbl{display:grid;gap:6px;margin-top:14px;font-size:14px;font-weight:500}
.wz-addlbl small{font-weight:400;color:var(--faint)}
.wz-addact{display:flex;align-items:center;gap:16px;margin-top:12px}
@media (max-width:640px){
  .wz-addsizes{grid-template-columns:repeat(2,1fr)}
  .wz-bins .wz-li{grid-template-columns:52px 1fr auto;row-gap:4px}
  .wz-bins .wz-lact{grid-column:3;grid-row:2;min-width:0}
}
.app-signin{font-size:15px!important;margin-top:14px!important}
.app-signin a{color:var(--signal-ink);font-weight:600;text-decoration:underline;text-underline-offset:3px}