/* geo.supmea.com — Supmea process instrumentation knowledge hub
   Tokens: paper #F4F7F9 · ink #15232E · process blue #0E5CA8 · amber #E3A21A · line #CBD5DC */
@font-face{font-family:"Barlow Condensed";font-weight:600;font-style:normal;font-display:swap;src:url(/assets/fonts/barlow-condensed-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Barlow Condensed";font-weight:700;font-style:normal;font-display:swap;src:url(/assets/fonts/barlow-condensed-latin-700-normal.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-weight:400;font-style:normal;font-display:swap;src:url(/assets/fonts/ibm-plex-sans-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-weight:400;font-style:italic;font-display:swap;src:url(/assets/fonts/ibm-plex-sans-latin-400-italic.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-weight:600;font-style:normal;font-display:swap;src:url(/assets/fonts/ibm-plex-sans-latin-600-normal.woff2) format("woff2")}

:root{
  --paper:#F4F7F9; --white:#fff; --ink:#15232E; --ink-2:#3E4F5C; --muted:#5E6E7A;
  --line:#CBD5DC; --line-soft:#E2E8EC; --blue:#0E5CA8; --blue-deep:#0A3F74; --blue-tint:#E4EEF8;
  --amber:#E3A21A; --amber-deep:#B97F05; --amber-tint:#FBF1DA; --green:#1D7A55;
  --display:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
  --body:"IBM Plex Sans",-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --wrap:1200px; --r-s:3px; --r-m:8px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--body)}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--blue)}
a:hover{color:var(--blue-deep)}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px;border-radius:2px}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.6rem 1rem;z-index:100}
.skip:focus{left:1rem}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* type scale (1.25) */
h1,h2,h3,h4{font-family:var(--display);font-weight:700;line-height:1.08;letter-spacing:.005em;color:var(--ink);margin:0 0 .5em}
h1{font-size:clamp(2.4rem,5vw,3.9rem)}
h2{font-size:clamp(1.9rem,3.2vw,2.6rem)}
h3{font-size:1.5rem;font-weight:600}
h4{font-size:1.2rem;font-weight:600}
p{margin:0 0 1em}
.lede{font-size:1.2rem;line-height:1.55;color:var(--ink-2);max-width:62ch}
.small{font-size:.9rem;color:var(--muted)}

/* header */
.top{background:var(--ink);color:#C9D5DE;font-size:.85rem}
.top .wrap{display:flex;justify-content:space-between;gap:1rem;padding-top:.45rem;padding-bottom:.45rem;flex-wrap:wrap}
.top a{color:#fff;text-decoration:none}
.top a:hover{text-decoration:underline;color:#fff}
.top .contacts{display:flex;gap:1.25rem}
.hdr{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.hdr .wrap{display:flex;align-items:center;gap:2rem;height:68px}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--ink)}
.brand svg{width:34px;height:34px}
.brand b{font:700 1.65rem/1 var(--display);letter-spacing:.02em}
.brand span{font:400 .8rem/1.1 var(--body);color:var(--muted);border-left:1px solid var(--line);padding-left:.6rem}
.nav{display:flex;gap:1.6rem;margin-left:auto}
.nav a{font-weight:600;font-size:.98rem;color:var(--ink);text-decoration:none;padding:.4rem 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{border-bottom-color:var(--blue);color:var(--blue)}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:var(--r-s);padding:.45rem .7rem;font:600 .9rem var(--body);color:var(--ink)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;font:600 1rem/1 var(--body);padding:.85rem 1.25rem;border-radius:var(--r-s);text-decoration:none;border:2px solid transparent;cursor:pointer}
.btn svg{width:18px;height:18px;flex:none}
.btn-amber{background:var(--amber);color:var(--ink)}
.btn-amber:hover{background:#F0B232;color:var(--ink)}
.btn-line{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-line:hover{background:var(--ink);color:#fff}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-deep);color:#fff}
.hdr .btn{padding:.6rem 1rem;font-size:.92rem}
.btn-row{display:flex;flex-wrap:wrap;gap:.75rem}

/* sections */
section{padding:84px 0}
.sec-white{background:var(--white);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.sec-ink{background:var(--ink);color:#DCE5EC}
.sec-ink h2,.sec-ink h3{color:#fff}
.sec-ink a{color:#9CC8F2}
.sec-ink .btn-amber,.sec-ink .btn-amber:hover{color:var(--ink)}
.sec-ink .form h3{color:var(--ink)}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head p{color:var(--ink-2);font-size:1.08rem}
.sec-ink .sec-head p{color:#B9C7D2}

/* hero */
.hero{padding:56px 0 0;background:var(--white);border-bottom:1px solid var(--line);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:48px;align-items:center}
.hero h1{max-width:17ch;font-size:clamp(2.3rem,4.2vw,3.5rem)}
.hero .lede{margin-bottom:1.6rem}
.hero-proof{display:flex;flex-wrap:wrap;gap:.5rem 1.4rem;margin-top:1.6rem;font-size:.92rem;color:var(--muted)}
.hero-proof b{color:var(--ink);font-weight:600}
.pid{width:100%}
.pid .flow{stroke-dasharray:14 18;animation:flow 1.6s linear infinite}
@keyframes flow{to{stroke-dashoffset:-32}}
@media (prefers-reduced-motion:reduce){.pid .flow{animation:none}html{scroll-behavior:auto}}
.loopbar{margin-top:40px;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(5,1fr)}
.loopbar a{display:flex;gap:.8rem;align-items:center;padding:18px 16px;text-decoration:none;color:var(--ink);border-right:1px solid var(--line)}
.loopbar a:last-child{border-right:0}
.loopbar a:hover{background:var(--blue-tint)}
.loopbar strong{display:block;font:600 1.15rem/1.1 var(--display)}
.loopbar small{display:block;line-height:1.35;color:var(--muted);font-size:.82rem}

/* ISA tag bubble */
.tag{flex:none;width:46px;height:46px;border:2px solid var(--ink);border-radius:50%;display:inline-grid;place-items:center;font:700 .95rem/1 var(--display);letter-spacing:.04em;background:var(--white);position:relative}
.tag::after{content:"";position:absolute;left:3px;right:3px;top:50%;border-top:1.5px solid var(--ink)}
.tag i{font-style:normal;position:relative;top:-8px}
.tag.lg{width:58px;height:58px;font-size:1.1rem}
.tag.lg i{top:-10px}

/* generic grids & panels */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.panel{background:var(--white);border:1px solid var(--line);border-radius:var(--r-m);padding:28px}

/* product tiles */
.ptile{background:var(--white);border:1px solid var(--line);border-radius:var(--r-s);display:flex;flex-direction:column;text-decoration:none;color:var(--ink)}
.ptile:hover{border-color:var(--blue)}
.ptile:hover h3{color:var(--blue)}
.ptile .art{background:var(--paper);border-bottom:1px solid var(--line-soft);aspect-ratio:4/3;display:grid;place-items:center;padding:12px}
.ptile .body{padding:18px 20px 22px}
.ptile h3{font-size:1.35rem;margin-bottom:.25rem}
.ptile .model{font-size:.85rem;color:var(--muted);margin-bottom:.6rem}
.ptile p{font-size:.95rem;color:var(--ink-2);margin:0}

/* measurement problem list */
.mlist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;border-top:1px solid var(--line)}
.mlist a{display:grid;grid-template-columns:58px 1fr;gap:18px;padding:24px 8px 24px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}
.mlist a:nth-child(odd){padding-right:32px;border-right:1px solid var(--line)}
.mlist a:nth-child(even){padding-left:32px}
.mlist h3{margin:.1rem 0 .3rem;font-size:1.4rem}
.mlist p{margin:0;color:var(--ink-2);font-size:.97rem}
.mlist a:hover h3{color:var(--blue)}

/* feature (data center) */
.feature{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}
.feature .art{background:#0F1B24;border-radius:var(--r-m);padding:18px}
.checks{list-style:none;padding:0;margin:0 0 1.6rem}
.checks li{padding:.55rem 0 .55rem 1.9rem;position:relative;border-bottom:1px solid rgba(255,255,255,.1)}
.checks li::before{content:"";position:absolute;left:2px;top:.95rem;width:12px;height:7px;border-left:2px solid var(--amber);border-bottom:2px solid var(--amber);transform:rotate(-45deg)}
.sec-white .checks li,.panel .checks li,.article .checks li{border-bottom-color:var(--line-soft)}

/* industry tiles */
.itile{display:block;text-decoration:none;color:var(--ink);background:var(--white);border:1px solid var(--line);border-radius:var(--r-s);overflow:hidden}
.itile .art{aspect-ratio:16/9;background:var(--paper);border-bottom:1px solid var(--line-soft)}
.itile .art svg{width:100%;height:100%}
.itile .body{padding:16px 18px 20px}
.itile h3{font-size:1.3rem;margin:0 0 .3rem}
.itile p{margin:0;font-size:.93rem;color:var(--ink-2)}
.itile:hover{border-color:var(--blue)}
.itile:hover h3{color:var(--blue)}

/* nameplate facts */
.plate{border:2px solid var(--ink);border-radius:var(--r-m);background:var(--white);display:grid;grid-template-columns:repeat(4,1fr)}
.plate div{padding:20px 22px;border-right:1px solid var(--line)}
.plate div:last-child{border-right:0}
.plate b{display:block;font:700 2rem/1 var(--display)}
.plate span{font-size:.9rem;color:var(--muted)}
.plate-src{font-size:.82rem;color:var(--muted);margin-top:.6rem}

/* tables */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-s);background:var(--white);margin:0 0 1.5rem}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{text-align:left;padding:.75rem 1rem;border-bottom:1px solid var(--line-soft);vertical-align:top}
thead th{background:var(--ink);color:#fff;font-weight:600;font-size:.9rem}
tbody th{font-weight:600;width:34%;background:#F8FAFB}
tbody tr:last-child td,tbody tr:last-child th{border-bottom:0}
td .yes{color:var(--green);font-weight:600}
td .no{color:#A2361F;font-weight:600}

/* Q&A list */
.qa-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
.qa-list li{border-bottom:1px solid var(--line)}
.qa-list a{display:grid;grid-template-columns:1fr auto;gap:1rem;padding:18px 0;text-decoration:none;color:var(--ink)}
.qa-list strong{font:600 1.3rem/1.2 var(--display)}
.qa-list span{font-size:.85rem;color:var(--muted);align-self:center;white-space:nowrap}
.qa-list p{grid-column:1/-1;margin:0;color:var(--ink-2);font-size:.95rem}
.qa-list a:hover strong{color:var(--blue)}

/* CTA / form */
.cta{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start}
.contact-lines{list-style:none;padding:0;margin:1.4rem 0 0}
.contact-lines li{display:flex;gap:.8rem;align-items:center;padding:.7rem 0;border-bottom:1px solid rgba(255,255,255,.12)}
.contact-lines svg{width:20px;height:20px;flex:none}
.contact-lines a{color:#fff;font-weight:600;text-decoration:none}
.contact-lines a:hover{text-decoration:underline}
.form{background:var(--white);color:var(--ink);border-radius:var(--r-m);padding:28px}
.form h3{margin-bottom:.2rem}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form label{display:block;font-weight:600;font-size:.88rem;margin:14px 0 6px}
.form input,.form select,.form textarea{width:100%;font:400 1rem var(--body);padding:.7rem .8rem;border:1px solid var(--line);border-radius:var(--r-s);background:#FBFCFD;color:var(--ink)}
.form textarea{min-height:110px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--blue);outline:2px solid var(--blue-tint)}
.form .btn-row{margin-top:20px}
.form .note{font-size:.85rem;color:var(--muted);margin:12px 0 0}
.form .err{color:#A2361F;font-size:.88rem;margin:10px 0 0;min-height:1.2em}

/* page header + breadcrumbs */
.phead{background:var(--white);border-bottom:1px solid var(--line);padding:28px 0 48px}
.crumbs{font-size:.86rem;color:var(--muted);margin-bottom:22px}
.crumbs ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.4rem}
.crumbs li+li::before{content:"/";margin-right:.4rem;color:var(--line)}
.crumbs a{color:var(--muted)}
.phead-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:48px;align-items:center}
.phead .art{background:var(--paper);border:1px solid var(--line-soft);border-radius:var(--r-m);padding:16px}

/* answer box (GEO) */
.answer{border-left:4px solid var(--blue);background:var(--blue-tint);padding:18px 22px;border-radius:0 var(--r-s) var(--r-s) 0;margin:0 0 1.8rem;max-width:72ch}
.answer b{display:block;font:700 1.05rem var(--display);letter-spacing:.02em;margin-bottom:.3rem;color:var(--blue-deep)}
.answer p{margin:0}

/* article layout */
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start}
.article{max-width:74ch}
.article h2{margin-top:2.2rem;font-size:2rem}
.article h3{margin-top:1.6rem}
.article ul,.article ol{padding-left:1.3rem;margin:0 0 1.2rem}
.article li{margin:.3rem 0}
.article figure{margin:1.6rem 0;background:var(--white);border:1px solid var(--line);border-radius:var(--r-m);padding:16px}
.article figcaption{font-size:.88rem;color:var(--muted);margin-top:.6rem}
.meta{display:flex;flex-wrap:wrap;gap:.3rem 1.2rem;font-size:.88rem;color:var(--muted);margin-bottom:1.4rem}
.aside{position:sticky;top:92px;display:grid;gap:18px}
.aside .panel{padding:20px}
.aside h4{margin-bottom:.6rem}
.aside ul{list-style:none;padding:0;margin:0}
.aside li{padding:.45rem 0;border-bottom:1px solid var(--line-soft);font-size:.93rem}
.aside li:last-child{border-bottom:0}
.aside .wa{background:var(--ink);color:#DCE5EC;border-color:var(--ink)}
.aside .wa h4{color:#fff}
.toc ol{padding-left:1.1rem;margin:0}
.toc li{border:0;padding:.25rem 0}
.sources li{font-size:.92rem}
.faq details{border-bottom:1px solid var(--line);padding:14px 0}
.faq summary{cursor:pointer;font-weight:600;font-size:1.05rem;list-style:none;display:flex;justify-content:space-between;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:700 1.4rem/1 var(--display);color:var(--blue)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:.7rem 0 0;color:var(--ink-2)}

/* spec + product page */
.spec-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:40px;align-items:start}
.limits{background:var(--amber-tint);border:1px solid #EED49A;border-radius:var(--r-s);padding:18px 22px}
.limits h3{font-size:1.25rem;margin-bottom:.4rem}
.limits ul{margin:0;padding-left:1.2rem}

/* footer */
.ftr{background:var(--ink);color:#AFC0CC;font-size:.93rem;padding:64px 0 28px}
.ftr-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:32px}
.ftr h4{color:#fff;font-size:1.15rem;margin-bottom:.8rem}
.ftr ul{list-style:none;padding:0;margin:0}
.ftr li{margin:.35rem 0}
.ftr a{color:#D7E2EA;text-decoration:none}
.ftr a:hover{color:#fff;text-decoration:underline}
.ftr .brand b{color:#fff}
.ftr .brand span{color:#AFC0CC;border-color:#3B4C59}
.ftr-bottom{border-top:1px solid #2C3D4A;margin-top:44px;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;font-size:.85rem}
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:56px;height:56px;border-radius:50%;background:#1F9D55;display:grid;place-items:center;box-shadow:0 6px 18px rgba(21,35,46,.25)}
.wa-float svg{width:28px;height:28px}

/* responsive */
@media (max-width:1020px){
  .hero-grid,.feature,.cta,.phead-grid,.article-grid,.spec-grid{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .ftr-grid{grid-template-columns:1fr 1fr}
  .loopbar{grid-template-columns:repeat(3,1fr)}
  .loopbar a:nth-child(3){border-right:0}
  .aside{position:static}
  .plate{grid-template-columns:repeat(2,1fr)}
  .plate div:nth-child(2){border-right:0}
  .plate div:nth-child(-n+2){border-bottom:1px solid var(--line)}
}
@media (max-width:820px){
  .nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--white);flex-direction:column;gap:0;padding:8px 24px 16px;border-bottom:1px solid var(--line)}
  .nav.open{display:flex}
  .nav a{padding:.8rem 0;border-bottom:1px solid var(--line-soft)}
  .menu-btn{display:block}
  .hdr .btn{display:none}
  .mlist{grid-template-columns:1fr}
  .mlist a:nth-child(odd),.mlist a:nth-child(even){padding:22px 0;border-right:0}
}
@media (max-width:600px){
  body{font-size:16px}
  section{padding:60px 0}
  .grid-2,.grid-3,.grid-4,.form .row{grid-template-columns:1fr}
  .loopbar{grid-template-columns:1fr 1fr}
  .loopbar a{border-bottom:1px solid var(--line)}
  .loopbar a:nth-child(odd){border-right:1px solid var(--line)}
  .loopbar a:nth-child(even){border-right:0}
  .ftr-grid{grid-template-columns:1fr}
  .top .tagline{display:none}
  .brand span{display:none}
}
@media print{.hdr,.top,.wa-float,.ftr,.aside{display:none}}