/* ============================================================
   EngineeringIQ — shared stylesheet
   Design language: engineering drawing / drafting sheet.
   Ink navy + drafting paper, dimension-line rules, corner ticks.
   ============================================================ */

:root{
  --ink:        #0f2233;
  --ink-soft:   #44586a;
  --paper:      #f2ede2;
  --paper-2:    #e9e2d2;
  --panel:      #14283c;
  --panel-2:    #1a3249;
  --line:       rgba(15,34,51,.16);
  --line-strong:rgba(15,34,51,.32);
  --line-dark:  rgba(242,237,226,.18);
  --cyan:       #2fb2c4;
  --amber:      #d99a34;
  --white:      #fbf9f4;
  --radius:     2px;
  --maxw:       1180px;
  --serif-display: "Space Grotesk", "IBM Plex Sans", sans-serif;
  --sans: "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
.container{width:min(var(--maxw), calc(100% - 48px));margin:0 auto}

h1,h2,h3,h4{
  font-family:var(--serif-display);
  font-weight:600;
  letter-spacing:-.01em;
  margin:0;
  color:var(--ink);
}
h1{font-size:clamp(36px,5vw,58px);line-height:1.03}
h2{font-size:clamp(26px,3.4vw,38px);line-height:1.12}
h3{font-size:19px;line-height:1.3}
p{margin:0}
.lead{font-size:18px;line-height:1.6;color:var(--ink-soft);max-width:640px}

/* ---------- mono / spec labels ---------- */
.spec, .kicker, .tag, .pill{
  font-family:var(--mono);
}
.kicker{
  font-size:11px;
  letter-spacing:.04em;
  color:var(--ink-soft);
  display:flex;
  align-items:center;
  gap:8px;
}
.kicker::before{
  content:"";
  width:16px;height:1px;background:var(--ink-soft);
  display:inline-block;
}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(242,237,226,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-strong);
}
.navin{
  display:flex;align-items:center;justify-content:space-between;
  height:68px;
}
.brand{
  font-family:var(--serif-display);
  font-weight:700;
  font-size:19px;
  letter-spacing:-.02em;
  display:flex;align-items:center;gap:8px;
}
.brand b{color:var(--cyan)}
.brand-mark{
  width:9px;height:9px;background:var(--amber);
  transform:rotate(45deg);
  display:inline-block;
}
.brand-logo{width:32px;height:32px;object-fit:cover;border-radius:6px;margin-right:2px;vertical-align:middle}
.links{display:flex;gap:28px;align-items:center}
.links a{
  font-size:14px;font-weight:500;color:var(--ink-soft);
  text-decoration:none;padding:4px 0;border-bottom:2px solid transparent;
}
.links a:hover,.links a.active{color:var(--ink);border-color:var(--amber)}
.navbtn{
  font-size:13px;font-weight:600;padding:9px 16px;
  background:var(--ink);color:var(--paper);
  border:1px solid var(--ink);
  text-decoration:none;
}
.navbtn:hover{background:transparent;color:var(--ink)}
.menu{display:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 20px;font-size:14px;font-weight:600;
  text-decoration:none;border:1px solid var(--ink);
  font-family:var(--sans);
}
.btn.primary{background:var(--ink);color:var(--paper)}
.btn.primary:hover{background:transparent;color:var(--ink)}
.btn.secondary{background:transparent;color:var(--ink)}
.btn.secondary:hover{background:var(--ink);color:var(--paper)}
.btn.onDark{border-color:var(--line-dark);color:var(--white)}
.btn.onDark:hover{background:var(--white);color:var(--panel)}
.btn.onDark.primary{background:var(--amber);border-color:var(--amber);color:var(--panel)}
.btn.onDark.primary:hover{background:transparent;color:var(--amber)}

/* ---------- dimension-line divider ---------- */
.dim{
  display:flex;align-items:center;gap:10px;
  margin:0;padding:0;
}
.dim::before,.dim::after{content:"";flex:1;height:1px;background:var(--line-strong)}
.dim .dim-tick{width:1px;height:9px;background:var(--line-strong)}

hr.rule{
  border:none;border-top:1px solid var(--line);
  margin:0;
}

/* ---------- corner-tick frame (drafting registration marks) ---------- */
.tickframe{position:relative}
.tickframe::before,.tickframe::after,
.tickframe .tf-br,.tickframe .tf-bl{
  content:"";position:absolute;width:14px;height:14px;
  border:1.5px solid var(--ink);
  opacity:.55;
}
.tickframe::before{top:-1px;left:-1px;border-right:none;border-bottom:none}
.tickframe::after{top:-1px;right:-1px;border-left:none;border-bottom:none}
.tickframe .tf-bl{position:absolute;bottom:-1px;left:-1px;border-right:none;border-top:none}
.tickframe .tf-br{position:absolute;bottom:-1px;right:-1px;border-left:none;border-top:none}
.tickframe.onDark::before,.tickframe.onDark::after,
.tickframe.onDark .tf-br,.tickframe.onDark .tf-bl{border-color:var(--white);opacity:.35}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section.tight{padding:64px 0}
.section.dark{background:var(--panel);color:var(--white)}
.section.dark h1,.section.dark h2,.section.dark h3,.section.dark h4{color:var(--white)}
.section.dark .step{border-color:var(--line-dark)}
.section.dark .steps{border-color:var(--line-dark)}
.section.dark .step p{color:#aebdc9}
.section.dark .lead{color:#b9c7d3}
.section.dark .kicker{color:#8fa4b5}
.section.dark .kicker::before{background:#8fa4b5}
.section.paper2{background:var(--paper-2)}

.section-head{max-width:680px;margin-bottom:48px}
.section-head .kicker{margin-bottom:14px}
.section-head h2{margin-bottom:14px}

/* ---------- hero ---------- */
.hero{
  padding:64px 0 80px;
  background:
    linear-gradient(var(--line) 1px, transparent 1px) 0 0/100% 42px,
    linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0/42px 100%,
    var(--paper);
  background-color:var(--paper);
  position:relative;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse at 70% 0%, rgba(242,237,226,0) 0%, var(--paper) 72%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{margin-bottom:20px}
.hero .lead{margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:32px}
.hero-specs{display:flex;gap:24px;flex-wrap:wrap}
.hero-specs .spec{font-size:12px;color:var(--ink-soft)}
.hero-specs .spec b{color:var(--ink);font-weight:600}
.hero-visual img{border:1px solid var(--line-strong)}
.hero-collage{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:2px;background:var(--line-strong);border:1px solid var(--line-strong);aspect-ratio:4/3;overflow:hidden}
.hero-collage div{overflow:hidden;background:var(--panel)}
.hero-collage img{width:100%;height:100%;object-fit:cover;object-position:top}

/* product hero (subpages) */
.phero{background:var(--panel);color:var(--white);padding:56px 0 0;position:relative;overflow:hidden}
.phero::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:38px 38px;opacity:.5;pointer-events:none;
}
.phero .container{position:relative;z-index:1}
.phero-top{display:flex;align-items:center;gap:16px;margin-bottom:26px}
.phero-icon{width:76px;height:76px;border:1px solid var(--line-dark);object-fit:cover}
.phero-eyebrow{font-family:var(--mono);font-size:12px;color:var(--cyan);letter-spacing:.03em}
.phero h1{color:var(--white);margin:6px 0 18px;max-width:720px}
.phero .lead{color:#c3d0da;max-width:620px;margin-bottom:28px}
.phero-meta{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:40px}
.phero-meta span{
  font-family:var(--mono);font-size:11.5px;color:#dbe4ea;
  border:1px solid var(--line-dark);padding:6px 11px;
}
.phero-shot{margin-top:8px;border:1px solid var(--line-dark);position:relative}
.phero-shot img{width:100%}
.phero-shot-cap{
  display:flex;justify-content:space-between;
  font-family:var(--mono);font-size:11px;color:#93a5b2;
  padding:10px 2px 40px;
}

/* ---------- grid of products (home) ---------- */
.grid4{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1px;background:var(--line-strong);border:1px solid var(--line-strong)}
.pcard{background:var(--paper);padding:28px 24px;display:flex;flex-direction:column;gap:14px;text-decoration:none;color:var(--ink);transition:background .15s}
.pcard:hover{background:var(--paper-2)}
.pcard-icon{width:72px;height:72px;border:1px solid var(--line-strong);object-fit:cover}
.pcard .tag{font-size:11px;color:var(--ink-soft)}
.pcard h3{margin:2px 0 2px}
.pcard p{font-size:14px;color:var(--ink-soft);flex:1}
.pcard .go{font-family:var(--mono);font-size:12px;color:var(--amber);font-weight:600}

/* ---------- feature list ---------- */
.feature-list{display:grid;gap:0;border-top:1px solid var(--line)}
.feature-row{
  display:grid;grid-template-columns:220px 1fr;gap:32px;
  padding:28px 0;border-bottom:1px solid var(--line);
}
.feature-row .fnum{font-family:var(--mono);font-size:13px;color:var(--amber)}
.feature-row h3{margin-bottom:8px}
.feature-row p{color:var(--ink-soft);font-size:15px;max-width:600px}
.section.dark .feature-row{border-color:var(--line-dark)}
.section.dark .feature-list{border-color:var(--line-dark)}

/* ---------- 2-col media rows ---------- */
.mediarow{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:56px 0;border-top:1px solid var(--line)}
.mediarow.rev .mr-media{order:2}
.mediarow.rev .mr-text{order:1}
.mr-media img{border:1px solid var(--line-strong)}
.mr-text .kicker{margin-bottom:12px}
.mr-text h3{font-size:24px;margin-bottom:12px}
.mr-text p{color:var(--ink-soft);margin-bottom:16px}
.mr-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.mr-list li{font-size:14.5px;color:var(--ink-soft);padding-left:20px;position:relative}
.mr-list li::before{content:"—";position:absolute;left:0;color:var(--amber);font-family:var(--mono)}
.section.dark .mediarow{border-color:var(--line-dark)}

/* ---------- gallery ---------- */
.gallery3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-strong);border:1px solid var(--line-strong);margin-top:8px}
.gallery3 figure{margin:0;background:var(--paper)}
.gallery3 img{width:100%}
.gallery3 figcaption{font-family:var(--mono);font-size:11.5px;color:var(--ink-soft);padding:10px 12px}

/* ---------- stat band ---------- */
.statband{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:36px 0}
.statrow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat b{display:block;font-family:var(--serif-display);font-size:28px}
.stat span{font-size:12.5px;color:var(--ink-soft)}
.section.dark .statband{border-color:var(--line-dark)}

/* ---------- video block ---------- */
.videowrap{border:1px solid var(--line-strong);background:#000;position:relative}
.videowrap video{width:100%;display:block}

/* ---------- CTA ---------- */
.cta{background:var(--panel);color:var(--white);padding:72px 0}
.cta-row{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta h2{color:var(--white);max-width:520px}
.cta p{color:#b9c7d3;margin-top:10px;max-width:480px}

/* ---------- footer ---------- */
.footer{background:var(--ink);color:#9fb0bd;padding:40px 0}
.footerrow{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;font-size:13px}
.footerlinks{display:flex;gap:20px}
.footerlinks a{text-decoration:none;color:#c3d0da}
.footerlinks a:hover{color:var(--white)}

/* ---------- workflow steps (used on subpages) ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.step{padding:24px 20px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.step .snum{font-family:var(--mono);font-size:11px;color:var(--amber);display:block;margin-bottom:10px}
.step h4{font-size:15px;margin-bottom:6px}
.step p{font-size:13px;color:var(--ink-soft)}

/* ---------- pricing ---------- */
.pricing-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line-strong);border:1px solid var(--line-strong)}
.price-card{background:var(--paper);padding:26px 20px;display:flex;flex-direction:column;gap:10px}
.price-card .ptag{font-family:var(--mono);font-size:11px;color:var(--ink-soft)}
.price-card.featured{background:var(--panel);color:var(--white)}
.price-card.featured h3{color:var(--white)}
.price-card.featured .ptag{color:#9fb0bd}
.price-card h3{font-size:18px}
.price-card .pnum{font-family:var(--serif-display);font-size:34px;margin-top:6px}
.price-card .pnum small{font-family:var(--mono);font-size:13px;font-weight:400;color:var(--ink-soft)}
.price-card.featured .pnum small{color:#9fb0bd}
.price-card .pann{font-family:var(--mono);font-size:12px;color:var(--ink-soft)}
.price-card.featured .pann{color:#9fb0bd}
.price-card .pwhy{font-size:13.5px;color:var(--ink-soft);flex:1;margin-top:6px}
.price-card.featured .pwhy{color:#c3d0da}
.price-card .btn{margin-top:10px;justify-content:center}
.trial-note{display:flex;align-items:center;gap:10px;justify-content:center;margin-top:28px;font-family:var(--mono);font-size:13px;color:var(--ink-soft)}

/* ---------- contact form ---------- */
.contact-form{background:var(--panel-2);border:1px solid var(--line-dark);padding:32px;max-width:440px;width:100%}
.contact-form label{display:block;font-family:var(--mono);font-size:11px;color:#b9c7d3;margin-bottom:6px}
.contact-form .field{margin-bottom:16px}
.contact-form input,.contact-form textarea{
  width:100%;background:var(--ink);border:1px solid var(--line-dark);color:var(--white);
  padding:10px 12px;font-family:var(--sans);font-size:14px;
}
.contact-form textarea{min-height:100px;resize:vertical}
.contact-form input:focus,.contact-form textarea:focus{outline:2px solid var(--amber);outline-offset:1px}
.contact-form button{width:100%;cursor:pointer;font-family:var(--sans)}
.form-note{font-size:12px;color:#8fa4b5;margin-top:12px}

@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .grid4{grid-template-columns:repeat(2,1fr)}
  .mediarow{grid-template-columns:1fr;gap:28px}
  .mediarow.rev .mr-media{order:1}
  .mediarow.rev .mr-text{order:2}
  .gallery3{grid-template-columns:1fr 1fr}
  .statrow{grid-template-columns:repeat(2,1fr);row-gap:24px}
  .feature-row{grid-template-columns:1fr;gap:10px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .links{display:none}
  .menu{display:block;border:1px solid var(--line-strong);background:transparent;padding:8px 10px}
}
@media (max-width:560px){
  .gallery3{grid-template-columns:1fr}
  .statrow{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr}
}