/* ==========================================================================
   STESALIT AUTOMATION — Design System
   Concept: engineering drawing / spec-sheet. Blueprint corner marks,
   hairline rules, mono callouts, brass accent on graphite + paper.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Archivo:ital,wght@0,500;0,700;0,800;0,900;1,700&family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  --ink:        #0c3a63;
  --ink-2:      #123f6b;
  --ink-3:      #194a78;
  --steel:      #4c6172;
  --steel-soft: #a8c2da;
  --paper:      #ffffff;
  --paper-2:    #eef3f8;
  --white:      #ffffff;
  --line:       #d7e2ec;
  --line-dark:  #234b74;
  --brass:      #124f8e;
  --brass-lt:   #77b5ed;
  --brass-dark: #0c3a63;
  --signal:     #124f8e;
  --tea:        #2f6f91;
  --danger:     #a4402f;

  --font-display: 'Archivo', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --container: 1240px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 2px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ margin:0; font-family:var(--font-display); font-weight:800; letter-spacing:-0.01em; }
p{ margin:0; }
button{ font-family:inherit; cursor:pointer; }
:focus-visible{ outline:2px solid var(--brass); outline-offset:3px; }
@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

.wrap{ max-width:var(--container); margin:0 auto; padding-left:var(--gutter); padding-right:var(--gutter); }

/* ---------- utility / mono labels ---------- */
.eyebrow{
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--brass-dark);
  display:flex; align-items:center; gap:10px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px; height:1px; background:var(--brass);
  display:inline-block;
}
.eyebrow.on-dark{ color:var(--paper); }
.eyebrow.on-dark::before{ background:var(--paper); }

.section{ padding:88px 0; position:relative; }
.section.tight{ padding:56px 0; }
.section-head{ margin-bottom:48px; }
.section-head h2{ font-size:clamp(28px,3.4vw,42px); line-height:1.12; }
.section-head p{ margin-top:16px; color:var(--steel); font-size:16.5px; max-width:56ch; }

.on-dark{ background:var(--ink); color:var(--paper); }
.on-dark .steel-text, .on-dark p:not(.eyebrow){ color:var(--steel-soft); }

/* ---------- blueprint corner-bracket motif ---------- */
.blueprint{
  position:relative;
  border:1px solid var(--line);
}
.blueprint::before,.blueprint::after,
.blueprint .bp-tl,.blueprint .bp-br{
  content:"";
  position:absolute; width:14px; height:14px;
  border-color:var(--brass);
  border-style:solid;
  z-index:2;
}
.blueprint::before{ top:-1px; left:-1px; border-width:2px 0 0 2px; }
.blueprint::after{ bottom:-1px; right:-1px; border-width:0 2px 2px 0; }
.on-dark .blueprint, .card.on-dark-card{ border-color:var(--line-dark); }

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header{
  position:sticky; top:0; z-index:100;
  background:var(--paper);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  height:78px;
}
.logo{ display:flex; align-items:center; }
.logo img{ height:38px; width:auto; display:block; }
.logo-text{ display:flex; flex-direction:column; line-height:1.2; gap:2px; }
.footer-logo-badge{
  display:inline-flex; align-items:center;
  background:#fff; padding:10px 16px; border-radius:3px; margin-bottom:20px;
}
.footer-logo-badge img{ height:30px; width:auto; display:block; }

.main-nav{ display:flex; align-items:center; gap:36px; }
.main-nav ul{ display:flex; gap:32px; }
.main-nav a{
  font-size:14.5px; font-weight:600; color:var(--ink);
  position:relative; padding:6px 0;
}
.main-nav a::after{
  content:""; position:absolute; left:0; right:100%; bottom:0; height:2px;
  background:var(--brass); transition:right .25s ease;
}
.main-nav a:hover::after, .main-nav a.active::after{ right:0; }
.main-nav a.active{ color:var(--brass-dark); }

.btn{
  display:inline-flex; align-items:center; gap:9px;
 font-weight:600; font-size:13px;
  letter-spacing:.03em;
  padding:12px 20px;
  border:1px solid var(--ink);
  color:var(--ink);
  background:transparent;
  transition:background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
  white-space:nowrap;
}
.btn svg{ width:14px; height:14px; transition:transform .18s ease; }
.btn:hover{ background:var(--ink); color:var(--paper); }
.btn:hover svg{ transform:translateX(3px); }
.btn.primary{ background:var(--brass); border-color:var(--brass); color:var(--paper); }
.btn.primary:hover{ background:var(--paper); border-color:var(--brass-dark); color:var(--brass); }
.btn.on-dark{ border-color:var(--paper); color:var(--paper); }
.btn.on-dark:hover{ background:var(--paper); color:var(--ink); }
.btn.ghost{ border-color:var(--line); color:var(--steel); }
.btn.ghost:hover{ background:var(--ink); border-color:var(--ink); color:var(--paper); }

.nav-toggle{
  display:none; flex-direction:column; gap:5px; background:none; border:0; padding:6px;
}
.nav-toggle span{ width:22px; height:2px; background:var(--ink); display:block; }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{
  background:var(--ink);
  color:var(--paper);
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line-dark);
}
.hero::before{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size:44px 44px;
  opacity:.28;
  mask-image:linear-gradient(to bottom, black, transparent 85%);
}
.hero-inner{
  position:relative; z-index:1;
  display:grid; grid-template-columns:1.5fr 0.5fr; gap:40px; align-items:center;
  padding-top:76px; padding-bottom:72px;
}
.hero h1{
  font-size:clamp(34px,4.6vw,58px);
  line-height:1.04;
  letter-spacing:-0.015em;
}
.hero h1 em{ font-style:normal; color:var(--brass-lt); }
.hero .lede{
  margin-top:22px; font-size:18px; color:var(--steel-soft); line-height:1.6;
}
.hero-actions{ display:flex; gap:14px; margin-top:34px; flex-wrap:wrap; }

.hero-cert-strip{
  margin-top:56px; padding-top:22px; border-top:1px solid var(--line-dark);
  display:flex; gap:34px; flex-wrap:wrap;
}
.hero-cert-strip .cert{
 font-size:12px; letter-spacing:.04em; color:var(--steel-soft);
  display:flex; align-items:center; gap:8px;
}
.hero-cert-strip .cert b{ color:var(--paper); font-weight:600; }
.hero-cert-strip .cert::before{ content:"◆"; color:var(--brass); font-size:8px; }

/* schematic */
.schematic-panel{
  position:relative;
  border:1px solid var(--line-dark);
  background:var(--ink-2);
  padding:18px;
}
.schematic-panel .tag{
  position:absolute; top:14px; left:16px;
 font-size:10.5px; letter-spacing:.1em;
  color:var(--steel-soft); text-transform:uppercase;
}
.schematic-panel .tag.right{ left:auto; right:16px; }
.flow-dash{
  stroke-dasharray:6 7;
  animation:flowmove 1.6s linear infinite;
}
@keyframes flowmove{ to{ stroke-dashoffset:-52; } }
.pulse-dot{ animation:pulse 2.4s ease-in-out infinite; transform-origin:center; }
@keyframes pulse{ 0%,100%{ opacity:.4; transform:scale(1);} 50%{ opacity:1; transform:scale(1.35);} }

/* ==========================================================================
   INDUSTRY / FEATURE CARDS
   ========================================================================== */
.industry-grid{ display:grid; grid-template-columns:1fr 1fr; gap:28px; }
.industry-card{
  background:var(--white);
  padding:0;
  overflow:hidden;
  display:flex; flex-direction:column;
}
.industry-card .figure{
  aspect-ratio:16/9; background:var(--ink); position:relative; overflow:hidden;
}
.industry-card .figure svg{ width:100%; height:100%; }
.industry-card .figure img{ width:100%; height:100%; object-fit:cover; display:block; }
.industry-card .body{ padding:28px; border:1px solid var(--line); border-top:0; flex:1; display:flex; flex-direction:column;}
.industry-card .idx{ font-size:12px; color:var(--brass-dark); margin-bottom:10px; letter-spacing:.08em;}
.industry-card h3{ font-size:22px; margin-bottom:12px; }
.industry-card p{ color:var(--steel); font-size:15px; flex:1; }
.industry-card .link{
  margin-top:18px; display:inline-flex; align-items:center; gap:8px;
 font-size:12.5px; font-weight:600; letter-spacing:.03em;
  color:var(--ink); border-top:1px solid var(--line); padding-top:16px;
}
.industry-card .link svg{ width:13px; height:13px; }

.industry-grid-6{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.industry-tile{
  background:var(--white); border:1px solid var(--line);
  display:flex; flex-direction:column; overflow:hidden; padding:20px;
}
.industry-tile .figure{ aspect-ratio:4/3; overflow:hidden; background:var(--ink); }
.industry-tile .figure img{ width:100%; height:100%; object-fit:cover; display:block; }
.industry-tile .body{ padding:22px; display:flex; flex-direction:column; gap:10px; }
.industry-tile .icon-wrap{
  width:46px; height:46px; border:1px solid var(--line); display:flex; align-items:center; justify-content:center;
  background:var(--paper); flex-shrink:0;
}
.industry-tile .icon-wrap svg{ width:24px; height:24px; stroke:var(--brass-dark); }
.industry-tile .icon-wrap img{ width:24px; height:24px; object-fit:contain; }
.industry-tile h3{ font-size:18px; }
.industry-tile p{ font-size:14.5px; color:var(--steel); }

/* ==========================================================================
   PRODUCT SPEC CARDS
   ========================================================================== */
.product-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.spec-card{
  background:var(--white);
  border:1px solid var(--line);
  display:flex; flex-direction:column;
  transition:border-color .2s ease, transform .2s ease;
}
.spec-card:hover{ border-color:var(--brass); transform:translateY(-3px); }
.spec-card .thumb{
  aspect-ratio:4/3; background:var(--paper);
  display:flex; align-items:center; justify-content:center;
  border-bottom:1px solid var(--line);
  position:relative;
}
.spec-card .thumb img{ width:100%; height:265px; object-fit:contain; padding:22px; }
.spec-card .thumb .code{
  position:absolute; top:10px; left:10px;
 font-size:10.5px; color:var(--steel);
  background:var(--white); border:1px solid var(--line); padding:3px 7px;
}
.spec-card .body{ padding:22px 22px 24px; display:flex; flex-direction:column; flex:1; }
.spec-card h3{ font-size:17px; line-height:1.3; margin-bottom:10px; }
.spec-card p{ font-size:14.5px; color:var(--steel); flex:1; }
.spec-card .foot{
  margin-top:18px; display:flex; align-items:center; justify-content:space-between;
  border-top:1px solid var(--line); padding-top:14px;
}
.spec-card .foot a{
 font-size:12.5px; font-weight:600; color:var(--ink);
  display:flex; align-items:center; gap:6px;
}
.spec-card .foot a svg{ width:12px; height:12px; }
.spec-card .foot .tag{
 font-size:10.5px; color:var(--tea); text-transform:uppercase; letter-spacing:.06em;
}

/* ==========================================================================
   VALUES / MISSION
   ========================================================================== */
.values-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line-dark); border:1px solid var(--line-dark); }
.value-cell{ background:var(--ink); padding:34px 30px; }
.value-cell .icon-wrap-dark{ width:44px; height:44px; display:flex; align-items:center; justify-content:center; background:#fff; border-radius:3px; margin-bottom:18px; }
.value-cell .icon-wrap-dark img{ width:24px; height:24px; object-fit:contain; }
.value-cell .num{  color:var(--brass-lt); font-size:13px; letter-spacing:.08em; }
.value-cell h3{ font-size:19px; margin:16px 0 12px; color:var(--paper); }
.value-cell p{ font-size:14.5px; color:var(--steel-soft); }

/* ==========================================================================
   CTA BAND
   ========================================================================== */
.cta-band{
  background:var(--ink); color:var(--paper);
  padding:64px 0;
  position:relative;
}
.cta-band-inner{ display:flex; align-items:center; justify-content:space-between; gap:40px; flex-wrap:wrap; }
.cta-band h2{ font-size:clamp(24px,3vw,34px); max-width:600px; line-height:1.2;}
.cta-band p{ margin-top:12px; color:var(--steel-soft); max-width:52ch; }
.cta-band .actions{ display:flex; gap:14px; flex-shrink:0; flex-wrap:wrap; }

/* who-we-are / two column */
.split{ display:grid; grid-template-columns:0.9fr 1.1fr; gap:64px; align-items:center; }
.split .stat-row{ display:flex; gap:36px; margin-top:32px; flex-wrap:wrap; }
.stat{  }
.stat .n{ font-size:32px; font-weight:600; color:var(--ink); display:block; }
.stat .l{ font-size:12px; color:var(--steel); letter-spacing:.04em; text-transform:uppercase; }

/* ==========================================================================
   FORMS
   ========================================================================== */
.form-panel{ background:var(--white); border:1px solid var(--line); padding:36px; }
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.field{ display:flex; flex-direction:column; gap:8px; margin-bottom:18px; }
.field.full{ grid-column:1/-1; }
.field label{  font-size:11.5px; letter-spacing:.06em; text-transform:uppercase; color:var(--steel); }
.field input, .field textarea, .field select{
  border:1px solid var(--line); background:var(--paper); padding:12px 13px;
  font-family:var(--font-body); font-size:14.5px; color:var(--ink);
  transition:border-color .15s ease;
}
.field input:focus, .field textarea:focus, .field select:focus{ border-color:var(--brass); outline:none; }
.field textarea{ resize:vertical; min-height:110px; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer{ background:var(--ink); color:var(--steel-soft); padding-top:72px; border-top:4px solid var(--brass); }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.1fr; gap:40px; padding-bottom:52px; }
.footer-grid h4{
 font-size:11.5px; letter-spacing:.1em; text-transform:uppercase;
  color:var(--paper); margin-bottom:20px; font-weight:600;
}
.footer-grid ul li{ margin-bottom:11px; }
.footer-grid ul a{ font-size:14px; color:var(--steel-soft); transition:color .15s ease; }
.footer-grid ul a:hover{ color:var(--brass-lt); }
.footer-about p{ font-size:14.5px; line-height:1.65; max-width:34ch; color:var(--steel-soft); margin-bottom:22px;}
.footer-logo{ display:flex; align-items:center; gap:9px; font-family:var(--font-display); font-weight:900; font-size:18px; color:var(--paper); margin-bottom:18px; }
.footer-logo .mark{ width:28px; height:28px; display:inline-flex; align-items:center; justify-content:center; background:var(--brass); color:var(--ink);  font-size:12px; font-weight:700; }
.footer-bottom{
  border-top:1px solid var(--line-dark); padding:22px 0;
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px;
}
.footer-bottom p{ font-size:12.5px; color:var(--steel);  }
.footer-bottom .legal-links{ display:flex; gap:22px; }
.footer-bottom .legal-links a{ font-size:12.5px; color:var(--steel);  }
.footer-bottom .legal-links a:hover{ color:var(--brass-lt); }

/* ==========================================================================
   PAGE HEADER (interior pages)
   ========================================================================== */
.page-header{
  background:var(--ink); color:var(--paper); padding:56px 0 46px;
  border-bottom:1px solid var(--line-dark); position:relative; overflow:hidden;
}
.page-header::before{
  content:""; position:absolute; inset:0;
  background-image:linear-gradient(var(--line-dark) 1px, transparent 1px), linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size:44px 44px; opacity:.25;
  mask-image:radial-gradient(circle at 15% 30%, black, transparent 70%);
}
.page-header .crumb{
  position:relative; z-index:1;
 font-size:12px; color:var(--steel-soft); margin-bottom:18px; letter-spacing:.03em;
}
.page-header .crumb a:hover{ color:var(--brass-lt); }
.page-header h1{ position:relative; z-index:1; font-size:clamp(30px,4vw,46px); max-width:760px; line-height:normal; }
.page-header .sub{ position:relative; z-index:1; margin-top:16px; color:var(--steel-soft); max-width:60ch; font-size:16.5px; }

/* misc components */
.badge-row{ display:flex; gap:12px; flex-wrap:wrap; margin-top:20px; }
.badge{
 font-size:11.5px; border:1px solid var(--line-dark); color:var(--steel-soft);
  padding:6px 12px; letter-spacing:.04em;
}

.map-frame{ border:1px solid var(--line); filter:grayscale(0.35) contrast(1.05); width:100%; height:400px; }

.contact-info-row{ display:flex; gap:0; border:1px solid var(--line); margin-bottom:44px; }
.contact-info-cell{ flex:1; padding:24px 26px; border-right:1px solid var(--line); }
.contact-info-cell:last-child{ border-right:0; }
.contact-info-cell .k{  font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--steel); margin-bottom:8px; }
.contact-info-cell .v{ font-size:15.5px; font-weight:600; }
.contact-info-cell .v a:hover{ color:var(--brass-dark); }

.approach-list{ counter-reset:step; border-top:1px solid var(--line); }
.approach-item{ display:grid; grid-template-columns:80px 1fr; gap:24px; padding:26px 0; border-bottom:1px solid var(--line); }
.approach-item .step-n{  font-size:13px; color:var(--brass-dark); padding-top:4px; }
.approach-item h3{ font-size:18px; margin-bottom:8px; }
.approach-item p{ color:var(--steel); font-size:14.5px; }

/* reveal on scroll */
[data-reveal]{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
[data-reveal].is-visible{ opacity:1; transform:translateY(0); }
[data-reveal="1"]{ transition-delay:.05s; }
[data-reveal="2"]{ transition-delay:.12s; }
[data-reveal="3"]{ transition-delay:.19s; }
[data-reveal="4"]{ transition-delay:.26s; }
[data-reveal="5"]{ transition-delay:.33s; }
[data-reveal="6"]{ transition-delay:.4s; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 980px){
  .hero-inner{ grid-template-columns:1fr; }
  .schematic-panel{ order:-1; }
  .industry-grid, .split, .footer-grid{ grid-template-columns:1fr; }
  .industry-grid-6{ grid-template-columns:repeat(2,1fr); }
  .product-grid{ grid-template-columns:repeat(2,1fr); }
  .values-grid{ grid-template-columns:1fr; }
  .footer-grid{ gap:36px; }
  .form-grid{ grid-template-columns:1fr; }
  .cta-band-inner{ flex-direction:column; align-items:flex-start; }
}
@media (max-width: 760px){
  .main-nav ul, .main-nav .btn.ghost{ display:none; }
  .nav-toggle{ display:flex; }
  .main-nav.open{
    position:fixed; inset:78px 0 0 0; background:var(--paper); z-index:99;
    flex-direction:column; align-items:flex-start; padding:28px var(--gutter); gap:24px;
    overflow-y:auto;
  }
  .main-nav.open ul{ display:flex; flex-direction:column; gap:22px; width:100%; }
  .main-nav.open ul a{ font-size:19px; }
  .main-nav.open .btn.ghost{ display:inline-flex; }
  .industry-grid-6{ grid-template-columns:1fr; }
  .product-grid{ grid-template-columns:1fr; }
  .contact-info-row{ flex-direction:column; }
  .contact-info-cell{ border-right:0; border-bottom:1px solid var(--line); }
  .approach-item{ grid-template-columns:1fr; gap:8px; }
}