/* ==========================================================================
   SCIENTORA SYSTEMS — site stylesheet
   Brand book: Navy #0B1F33 · Scientific Teal #00A6A6 · Precision Blue #2B78B5
               Cool Silver #A7B0B8 · Lab White #F7F9FA · Graphite #252A2E
               Montserrat (headings) + Inter (body)
   ========================================================================== */

:root{
  --navy:#0B1F33;
  --navy-2:#12304C;
  --teal:#00A6A6;
  --teal-dk:#00807F;
  --blue:#2B78B5;
  --silver:#A7B0B8;
  --labwhite:#F7F9FA;
  --graphite:#252A2E;

  --ground:#F7F9FA;
  --surface:#FFFFFF;
  --surface-2:#EDF1F4;
  --sunk:#E4EAEE;
  --ink:#0B1F33;
  --ink-2:#44535F;
  --ink-3:#77848D;
  --line:#D7DEE3;
  --line-soft:#E6EBEF;

  --maxw:1200px;
  --pad:30px;
  --radius:3px;
  --shadow-sm:0 1px 2px rgba(11,31,51,.05),0 6px 16px -10px rgba(11,31,51,.22);
  --shadow:0 1px 2px rgba(11,31,51,.05),0 16px 38px -20px rgba(11,31,51,.32);
  --ff-head:Montserrat,"Helvetica Neue",Arial,sans-serif;
  --ff-body:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{
  margin:0;background:var(--ground);color:var(--ink);
  font-family:var(--ff-body);font-size:16.5px;line-height:1.65;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5{font-family:var(--ff-head);margin:0;line-height:1.16;text-wrap:balance;font-weight:700}
p{margin:0}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal-dk)}
ul{margin:0;padding:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.lbl{font-size:11px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--teal-dk);font-family:var(--ff-body)}
.rule{width:52px;height:3px;background:var(--teal);margin-bottom:20px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--teal);outline-offset:3px}
.skip{position:absolute;left:-9999px;top:0;background:var(--teal);color:#03252B;padding:10px 16px;z-index:200;font-weight:600}
.skip:focus{left:0}

/* ---------------- buttons ---------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--ff-head);font-weight:600;font-size:13.5px;letter-spacing:.02em;
  padding:13px 24px;border-radius:var(--radius);text-decoration:none;border:1.5px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background .17s ease,color .17s ease,border-color .17s ease}
.btn-teal{background:var(--teal);color:#03252B;border-color:var(--teal)}
.btn-teal:hover{background:#00C2C2;border-color:#00C2C2}
.btn-navy{background:var(--navy);color:#fff;border-color:var(--navy)}
.btn-navy:hover{background:var(--navy-2);border-color:var(--navy-2)}
.btn-ghost{border-color:rgba(255,255,255,.34);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-out{border-color:var(--line);color:var(--ink);background:var(--surface)}
.btn-out:hover{border-color:var(--teal);color:var(--teal-dk)}

/* ---------------- logo ---------------- */
.logo{display:flex;flex-direction:column;gap:1px;text-decoration:none;flex:0 0 auto;line-height:1}
.logo .word{font-family:var(--ff-head);font-weight:700;font-size:21px;letter-spacing:.055em;display:flex;align-items:center;color:#fff}
.logo .ring{width:.78em;height:.78em;margin:0 .04em;display:inline-block;position:relative;top:.02em}
.logo .sub{font-family:var(--ff-head);font-weight:500;font-size:9.5px;letter-spacing:.42em;color:var(--teal);padding-left:2px}

/* ---------------- header + nav ---------------- */
.bar{position:sticky;top:0;z-index:100;background:rgba(11,31,51,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.10)}
.bar-in{display:flex;align-items:center;gap:26px;height:76px}
.nav{display:flex;align-items:center;gap:19px;margin-left:auto;font-size:14px;font-weight:500}
.nav > li{list-style:none;position:relative}
.nav a{text-decoration:none;color:#C6D3DD;display:inline-flex;align-items:center;gap:6px;padding:28px 0;border-bottom:2px solid transparent;white-space:nowrap}
.nav a:hover,.nav a[aria-current="page"],.nav li.active > a{color:#fff;border-bottom-color:var(--teal)}
.nav .caret{width:9px;height:9px;flex:0 0 auto;opacity:.75}
.drop{position:absolute;top:100%;left:-18px;min-width:262px;background:#fff;border:1px solid var(--line);
  border-top:3px solid var(--teal);border-radius:0 0 var(--radius) var(--radius);box-shadow:var(--shadow);
  padding:8px;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .16s ease,transform .16s ease,visibility .16s;z-index:110}
.nav li:hover > .drop,.nav li:focus-within > .drop{opacity:1;visibility:visible;transform:translateY(0)}
.drop li{list-style:none}
.drop a{display:block;color:var(--ink);padding:11px 14px;border-bottom:0;font-size:14.5px;border-radius:2px}
.drop a:hover{background:var(--surface-2);color:var(--teal-dk);border-bottom:0}
.drop a small{display:block;font-size:12px;color:var(--ink-3);font-weight:400;margin-top:1px}
.bar .btn{padding:11px 17px;letter-spacing:0}
.bar-call svg{margin-right:1px}
.burger{display:none;margin-left:auto;background:none;border:1px solid rgba(255,255,255,.3);border-radius:2px;padding:9px 11px;cursor:pointer}
.burger span{display:block;width:20px;height:2px;background:#fff;margin:4px 0}
@media (max-width:1300px){.nav{gap:14px;font-size:13.2px}.bar-in{gap:16px}}
@media (max-width:1180px){.bar .bar-call{display:none}}
@media (max-width:1080px){
  .nav,.bar .btn{display:none}
  .burger{display:block}
  .bar-in{height:66px}
  .nav.open{display:flex;position:absolute;top:66px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:var(--navy);border-top:1px solid rgba(255,255,255,.12);padding:10px 22px 24px;gap:0;max-height:78vh;overflow-y:auto}
  .nav.open > li{border-bottom:1px solid rgba(255,255,255,.08)}
  .nav.open a{padding:14px 0;border-bottom:0}
  .nav.open .drop{position:static;opacity:1;visibility:visible;transform:none;background:transparent;border:0;box-shadow:none;padding:0 0 10px 14px}
  .nav.open .drop a{color:#9FB3C2;padding:9px 0;font-size:14px}
  .nav.open .drop a small{display:none}
}

/* ---------------- hero (home) ---------------- */
.hero{background:var(--navy);color:#DCE7EF;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(1000px 460px at 12% 0%,rgba(43,120,181,.30),transparent 62%),
             radial-gradient(760px 420px at 96% 96%,rgba(0,166,166,.20),transparent 60%)}
.grid-lines{position:absolute;inset:0;opacity:.10;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.7) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.7) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 70%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 70%)}
.hero-in{position:relative;padding:66px 0 0;display:grid;grid-template-columns:1.02fr .98fr;gap:54px;align-items:center}
.hero .lbl{color:var(--teal)}
.hero h1{font-size:clamp(36px,5vw,60px);letter-spacing:-.02em;color:#fff;margin:16px 0 0}
.hero h1 .tl{color:var(--teal)}
.hero .lede{font-size:19px;color:#B9CAD7;max-width:53ch;margin-top:20px}
.hero-cta{display:flex;gap:13px;margin-top:32px;flex-wrap:wrap}
.hero-fig{position:relative;margin:0}
.hero-fig img{border-radius:var(--radius);box-shadow:0 30px 60px -26px rgba(0,0,0,.75)}
.hero-fig::after{content:"";position:absolute;left:-14px;bottom:-14px;width:96px;height:96px;border-left:3px solid var(--teal);border-bottom:3px solid var(--teal);pointer-events:none}
.hero-fig figcaption{margin-top:12px;font-size:12px;color:#8DA3B4}
.hero-fig figcaption b{color:var(--teal);font-weight:600}
@media (max-width:1000px){.hero-in{grid-template-columns:1fr;gap:34px;padding-top:46px}}

.caps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);margin-top:58px;border-top:1px solid rgba(255,255,255,.16)}
.cap{padding:24px 26px 32px;border-right:1px solid rgba(255,255,255,.13)}
.cap:last-child{border-right:0}
.cap .n{font-family:var(--ff-head);font-size:11px;font-weight:600;letter-spacing:.2em;color:var(--teal)}
.cap h3{font-size:17px;font-weight:600;color:#fff;margin:9px 0 6px}
.cap p{font-size:13.5px;color:#9DB2C1;line-height:1.5}
@media (max-width:860px){.caps{grid-template-columns:repeat(2,1fr)}.cap:nth-child(2){border-right:0}}
@media (max-width:470px){.caps{grid-template-columns:1fr}.cap{border-right:0}}

/* ---------------- page hero (inner pages) ---------------- */
.phero{background:var(--navy);color:#C7D6E1;position:relative;overflow:hidden;padding:52px 0 56px}
.phero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(900px 400px at 88% 0%,rgba(0,166,166,.20),transparent 62%),
             radial-gradient(700px 380px at 5% 100%,rgba(43,120,181,.24),transparent 60%)}
.phero .wrap{position:relative}
.phero h1{font-size:clamp(30px,4.2vw,48px);color:#fff;letter-spacing:-.02em;margin:14px 0 16px;max-width:20ch}
.phero p{font-size:18px;color:#B4C7D6;max-width:62ch}
.phero .lbl{color:var(--teal)}
.crumbs{font-size:12.5px;color:#7F97AA;margin-bottom:4px}
.crumbs a{color:#9FB6C7;text-decoration:none}
.crumbs a:hover{color:#fff;text-decoration:underline}
.crumbs span{opacity:.55;padding:0 7px}

/* ---------------- generic sections ---------------- */
section{padding:80px 0}
section.tight{padding:56px 0}
.band-white{background:var(--surface);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.band-sunk{background:var(--sunk)}
.head{max-width:62ch;margin-bottom:40px}
.head h2{font-size:clamp(26px,3.2vw,38px);letter-spacing:-.015em;margin:12px 0 14px}
.head p{color:var(--ink-2);font-size:17px}
.prose{max-width:70ch}
.prose p{color:var(--ink-2);margin-bottom:16px}
.prose h2{font-size:26px;margin:34px 0 12px}
.prose h3{font-size:20px;margin:28px 0 10px}
.prose ul{margin:0 0 18px;padding:0;list-style:none}
.prose li{position:relative;padding:5px 0 5px 20px;color:var(--ink-2)}
.prose li::before{content:"";position:absolute;left:0;top:15px;width:8px;height:2px;background:var(--teal)}

/* ---------------- cards / grids ---------------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden}
.card{background:var(--surface);padding:28px 26px;display:flex;flex-direction:column;gap:11px;text-decoration:none;color:inherit}
a.card:hover{background:var(--surface-2)}
.card svg.ic{width:38px;height:38px;flex:0 0 auto}
.card h3{font-size:18px;font-weight:600}
.card p{font-size:14.5px;color:var(--ink-2);flex:1;line-height:1.55}
.card .more{font-size:13px;font-weight:600;color:var(--teal-dk);font-family:var(--ff-head)}
.card .tagline{font-size:10.5px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-3);border-top:1px solid var(--line-soft);padding-top:11px}
.card .tagline.imp{color:var(--blue)}
@media (max-width:900px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.grid-3,.grid-2{grid-template-columns:1fr}}

/* product drawing tiles */
.prod-svg{width:100%;height:88px}

/* ---------------- stage rail ---------------- */
.rail{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.stage{position:relative;padding-top:26px;border-top:2px solid var(--line)}
.stage.a1{border-top-color:var(--teal)}
.stage.a2{border-top-color:#0FA3B1}
.stage.a3{border-top-color:#1E8DB3}
.stage.a4{border-top-color:var(--blue)}
.stage .dot{position:absolute;top:-8px;left:0;width:14px;height:14px;border-radius:50%;background:var(--surface);border:3px solid var(--teal)}
.stage.a2 .dot{border-color:#0FA3B1}.stage.a3 .dot{border-color:#1E8DB3}.stage.a4 .dot{border-color:var(--blue)}
.stage .n{font-family:var(--ff-head);font-weight:600;font-size:12px;letter-spacing:.18em;color:var(--ink-3)}
.stage svg.ic{width:40px;height:40px;margin:16px 0 12px}
.stage h3{font-size:19px;font-weight:600;margin-bottom:9px}
.stage p{font-size:14.5px;color:var(--ink-2)}
.stage ul{list-style:none;margin:12px 0 0;font-size:13.5px;color:var(--ink-3)}
.stage li{padding:3px 0 3px 15px;position:relative}
.stage li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:1.5px;background:var(--teal)}
@media (max-width:980px){.rail{grid-template-columns:repeat(2,1fr);gap:30px}}
@media (max-width:560px){.rail{grid-template-columns:1fr}}

/* ---------------- split (image + text) ---------------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.rev .split-txt{order:2}
.split figure{margin:0;position:relative}
.split figure img{border-radius:var(--radius);box-shadow:var(--shadow)}
.split figcaption{margin-top:11px;font-size:12.5px;color:var(--ink-3)}
@media (max-width:940px){.split{grid-template-columns:1fr;gap:32px}.split.rev .split-txt{order:0}}

/* ---------------- dark band ---------------- */
.dark{background:var(--navy);color:#C7D6E1;position:relative;overflow:hidden}
.dark::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(820px 420px at 88% 10%,rgba(0,166,166,.24),transparent 62%)}
.dark .wrap{position:relative}
.dark h2{color:#fff}
.dark .lbl{color:var(--teal)}
.dark p{color:#AFC3D2}
.numlist{list-style:none}
.numlist li{display:grid;grid-template-columns:34px 1fr;gap:14px;padding:16px 0;border-top:1px solid rgba(255,255,255,.14);font-size:15px;color:#D2DFE8}
.numlist li b{font-family:var(--ff-head);font-weight:600;font-size:12px;color:var(--teal);letter-spacing:.08em;padding-top:2px}
.numlist li strong{color:#fff;font-weight:600;display:block;margin-bottom:3px}
.numlist li span{font-size:14.5px;color:#A6BCCB}

/* ---------------- spec table ---------------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
table{border-collapse:collapse;width:100%;min-width:620px;font-size:14.5px}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line-soft);vertical-align:top}
th{background:var(--surface-2);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);font-weight:600;white-space:nowrap}
tr:last-child td{border-bottom:0}
td strong{color:var(--ink)}

/* ---------------- chips ---------------- */
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chip{border:1px solid var(--line);background:var(--surface);padding:9px 15px;border-radius:var(--radius);font-size:13px;color:var(--ink-2)}
.chip b{color:var(--ink);font-weight:600}

/* ---------------- FAQ ---------------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);background:var(--surface)}
.faq summary{cursor:pointer;padding:20px 24px;font-family:var(--ff-head);font-weight:600;font-size:16.5px;list-style:none;display:flex;justify-content:space-between;gap:18px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;color:var(--teal);font-weight:400;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details[open] summary{color:var(--teal-dk)}
.faq .a{padding:0 24px 22px;color:var(--ink-2);font-size:15px;max-width:78ch}

/* ---------------- CTA ---------------- */
.cta-box{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:var(--radius);
  padding:46px;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;box-shadow:var(--shadow)}
.cta-box h2{font-size:clamp(24px,2.7vw,34px);letter-spacing:-.015em;margin:10px 0 12px}
.cta-box p{color:var(--ink-2);max-width:50ch}
.cta-side{display:flex;flex-direction:column;gap:11px;min-width:252px}
.cta-side .meta{font-size:12.5px;color:var(--ink-3);text-align:center}
@media (max-width:860px){.cta-box{grid-template-columns:1fr;padding:30px}}

/* ---------------- form ---------------- */
.form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow-sm)}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
@media (max-width:620px){.frow{grid-template-columns:1fr}}
.field label{display:block;font-size:12.5px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--ink-2);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius);
  font-family:var(--ff-body);font-size:15.5px;color:var(--ink);background:var(--ground)}
.field textarea{min-height:132px;resize:vertical}
.field .hint{font-size:12px;color:var(--ink-3);margin-top:6px}
.form .consent{display:flex;gap:11px;align-items:flex-start;font-size:13.5px;color:var(--ink-2);margin:6px 0 20px}
.form .consent input{width:auto;margin-top:4px}

/* ---------------- contact info ---------------- */
.cinfo{display:flex;flex-direction:column;gap:22px}
.cblock{border-left:3px solid var(--teal);padding-left:18px}
.cblock h3{font-size:15px;font-weight:600;margin-bottom:4px}
.cblock p,.cblock a{font-size:15px;color:var(--ink-2);text-decoration:none;display:block}
.cblock a:hover{color:var(--teal-dk)}

/* ---------------- footer ---------------- */
footer{background:var(--navy);color:#93A8B8;padding:58px 0 26px}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
.f-grid h4{font-family:var(--ff-head);font-size:11px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--teal);margin-bottom:14px}
.f-grid a,.f-grid p{display:block;font-size:14px;color:#9FB3C2;text-decoration:none;padding:3.5px 0}
.f-grid li{list-style:none}
.f-grid a:hover{color:#fff}
.f-bot{margin-top:42px;padding-top:20px;border-top:1px solid rgba(255,255,255,.13);
  display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;font-size:12.5px;color:#7A8F9F}
.maple{display:flex;align-items:center;gap:12px}
.maple svg{width:24px;height:24px}
.maple span{font-family:var(--ff-head);font-size:11px;font-weight:600;letter-spacing:.15em;color:#B9CAD7;line-height:1.5}
@media (max-width:860px){.f-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.f-grid{grid-template-columns:1fr}}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* ---------------- product photos in cards ---------------- */
.card .photo{width:100%;height:170px;object-fit:cover;border-radius:2px;background:var(--surface-2)}
.grid-2 .card .photo{height:230px}
@media (max-width:600px){.card .photo,.grid-2 .card .photo{height:190px}}
.cinfo .cblock a[style*="font-size"]{text-decoration:none}

@media (max-width:1080px){.bar-in{height:66px}}