/* STECHOQ — stechoq.com
   Design tokens follow the STECHOQ logo: deep navy, grey, white.
   Type: Plus Jakarta Sans (display + body), JetBrains Mono (labels). */

:root {
  --navy: #0A0A6E;
  --navy-700: #1F2FA8;
  --navy-900: #06063F;
  --grey: #8C8C8C;
  --ink: #1E1E2E;
  --ink-2: #4A4A5A;
  --ink-3: #6B6B6B;
  --ink-4: #8C8C8C;
  --line: #DDE0EA;
  --line-2: #E3E5EE;
  --paper: #FFFFFF;
  --paper-2: #F5F6F9;
  --paper-3: #EDEEF3;
  --on-navy: #E6E7F2;
  --on-navy-2: #C9CBE0;
  --on-navy-3: #B9BCC9;
  --radius: 6px;
  --wrap: 1240px;
  --gutter: 40px;
  --font: 'Plus Jakarta Sans', system-ui, -apple-system, Segoe UI, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--navy-700); text-decoration: none; }
a:hover { color: var(--navy); }
button { font: inherit; }
h1, h2, h3, h4 { margin: 0; font-weight: 800; letter-spacing: -0.02em; color: var(--navy); line-height: 1.08; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.mono { font-family: var(--mono); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-3); font-weight: 500;
}
.num {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; color: var(--navy); font-weight: 500;
  border: 1px solid var(--navy); border-radius: 2px; padding: 3px 7px;
}
.rule { display: block; width: 72px; height: 3px; background: var(--navy); }
.rule--grey { background: var(--grey); }
.q { display: inline-block; width: 9px; height: 9px; background: var(--navy); transform: skewX(-18deg); flex: none; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 600; font-size: 16px; padding: 16px 26px; border-radius: 4px; border: 0; cursor: pointer;
  min-height: 52px; font-family: var(--font); transition: background .2s, color .2s, border-color .2s;
}
.btn--primary { background: var(--navy); color: #fff; }
.btn--primary:hover { background: var(--navy-700); color: #fff; }
.btn--ghost { background: transparent; color: var(--navy); border: 1.5px solid var(--navy); }
.btn--ghost:hover { background: var(--paper-2); color: var(--navy); }
.btn--light { background: #fff; color: var(--navy); }
.btn--light:hover { background: var(--on-navy); color: var(--navy); }
.btn--sm { padding: 11px 20px; min-height: 44px; font-size: 14px; }
.ext { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 700; color: var(--navy-700); }
.ext svg { flex: none; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,0.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-2);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 88px; }
.brand img { height: 42px; width: auto; display: block; }
.nav { display: flex; gap: 34px; align-items: center; }
.nav a { color: var(--ink); font-size: 15px; font-weight: 600; padding: 8px 2px; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--navy); border-bottom-color: var(--navy); }
.header-right { display: flex; align-items: center; gap: 20px; }
.lang { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; color: var(--ink-4); }
.lang b { color: var(--navy); font-weight: 500; }
.menu-btn { display: none; background: none; border: 1px solid var(--line); border-radius: 4px; width: 44px; height: 44px; align-items: center; justify-content: center; cursor: pointer; }
.mobile-nav { display: none; border-top: 1px solid var(--line-2); background: #fff; }
.mobile-nav a { display: block; padding: 16px var(--gutter); font-weight: 600; color: var(--ink); border-bottom: 1px solid var(--line-2); }
.mobile-nav.open { display: block; }

/* Sections */
section { position: relative; }
section[id], .sim[id] { scroll-margin-top: 104px; }
.section { padding: 112px 0 104px; }
.section--tint { background: var(--paper-2); border-top: 1px solid var(--line-2); }
.section--navy { background: var(--navy); color: var(--on-navy); }
.section-head { display: flex; flex-direction: column; gap: 18px; max-width: 760px; }
.section-head h2 { font-size: 46px; }
.section-head p.lead { font-size: 18px; line-height: 1.6; color: var(--ink-2); }
.section--navy .section-head h2 { color: #fff; }
.section--navy .eyebrow { color: var(--on-navy-3); }
.section--navy .num { color: #fff; border-color: rgba(255,255,255,0.5); }
.cut-down { height: 64px; background: var(--navy); clip-path: polygon(0 100%, 100% 0, 100% 100%); }
.cut-up { height: 64px; background: var(--navy); clip-path: polygon(0 0, 100% 0, 0 100%); }

/* Cards */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); position: relative; overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; color: inherit;
}
.card::before { content: ""; position: absolute; left: 0; top: 0; right: 0; height: 3px; background: var(--navy); transform: scaleX(0); transform-origin: 0 50%; transition: transform .35s ease; }
.card:hover { border-color: var(--navy); box-shadow: 0 18px 44px rgba(10,10,110,0.10); transform: translateY(-2px); color: inherit; }
.card:hover::before { transform: scaleX(1); }
.card--navy { background: var(--navy); border-color: var(--navy); color: var(--on-navy); }
.card--navy h3 { color: #fff; }
.card--navy p { color: var(--on-navy-2); }
.card--navy .ext { color: #fff; }
.card--navy::before { background: #fff; }

.grid { display: grid; gap: 18px; }
.grid--5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--6 { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; }

.cap { display: flex; flex-direction: column; gap: 14px; padding: 0 0 24px; min-height: 0; }
.cap > *:not(.cap-img) { margin-left: 22px; margin-right: 22px; }
.cap .idx { position: absolute; top: 12px; left: 14px; margin: 0; background: rgba(255,255,255,0.9); padding: 3px 7px; border-radius: 2px; z-index: 1; }
.cap .cap-img { width: 100%; height: 150px; object-fit: cover; display: block; border-bottom: 1px solid var(--line); transition: transform .4s ease; background: #F5F6F9; }
.cap:hover .cap-img { transform: scale(1.03); }
.cap h3 { margin-top: 6px; }
.cap .idx { font-family: var(--mono); font-size: 11px; color: var(--ink-4); letter-spacing: 0.12em; }
.card--navy .cap .idx, .cap.card--navy .idx { color: var(--navy); }
.cap h3 { font-size: 20px; letter-spacing: -0.01em; line-height: 1.2; }
.cap p { font-size: 14px; line-height: 1.6; color: var(--ink-2); flex: 1; }

.logo-tile {
  display: flex; align-items: center; justify-content: center; height: 72px; border: 1px solid var(--line-2); border-radius: 4px;
  color: #6B6B7B; font-weight: 800; font-size: 14px; letter-spacing: 0.06em; background: #fff; text-align: center; padding: 0 8px;
}
.logo-tile:hover { color: var(--navy); border-color: var(--navy); }
.photo {
  background: repeating-linear-gradient(135deg, var(--paper-3) 0 10px, var(--paper-2) 10px 20px);
  border: 1px dashed #B9BCC9; border-radius: 4px; display: flex; align-items: center; justify-content: center;
  color: var(--ink-3); font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-align: center; padding: 12px;
}

/* Hero */
.hero { background: linear-gradient(90deg, #fff 0%, #fff 58%, var(--navy) 58%, var(--navy) 100%); overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); min-height: 640px; }
.hero-copy { position: relative; display: flex; flex-direction: column; justify-content: center; gap: 34px; padding: 96px 72px 96px 0; }
.hero-copy h1 { font-size: 84px; line-height: 0.96; letter-spacing: -0.035em; }
.hero-copy .tag { font-size: 23px; line-height: 1.45; color: var(--ink); max-width: 520px; font-weight: 500; }
.sweep { position: absolute; left: -10%; width: 120%; height: 3px; background: var(--grey); transform: rotate(-6deg); opacity: .35; top: 44px; }
.hero-eco { position: relative; background: var(--navy); display: flex; align-items: center; justify-content: center; padding: 56px 0 24px 40px; min-height: 640px; }
.eco-img { width: 100%; max-width: 560px; height: auto; display: block; filter: drop-shadow(0 24px 40px rgba(0,0,0,0.35)); }
.hero-eco .label { position: absolute; left: 48px; top: 40px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; color: var(--grey); }

/* Ecosystem diagram */
.eco { position: relative; width: 480px; height: 480px; }
.eco .link { position: absolute; height: 1px; background: rgba(255,255,255,0.3); transform-origin: 0 50%; left: 240px; top: 240px; }
.eco .link--d { background: rgba(255,255,255,0.14); }
.eco .node {
  position: absolute; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  border-radius: 50%; background: var(--navy); border: 1.5px solid rgba(255,255,255,0.35); width: 110px; height: 110px;
}
.eco .node b { font-size: 14px; color: #fff; font-weight: 700; }
.eco .node span { font-size: 11px; color: var(--on-navy-3); margin-top: 3px; line-height: 1.3; }
.eco .node svg { margin-bottom: 4px; }
.eco .node--core { width: 160px; height: 160px; left: 160px; top: 160px; background: #fff; border-color: #fff; box-shadow: 0 20px 50px rgba(0,0,0,0.35); }
.eco .node--core b { color: var(--navy); font-size: 21px; letter-spacing: 0.1em; font-style: italic; font-weight: 800; }
.eco .node--core i { display: block; width: 44px; height: 2px; background: var(--grey); margin: 9px 0 7px; }
.eco .node--core span { color: var(--ink-3); font-size: 9.5px; letter-spacing: 0.12em; text-transform: uppercase; }
.eco .chip { position: absolute; background: var(--navy); border: 1px solid rgba(255,255,255,0.6); color: #fff; border-radius: 2px; padding: 5px 10px; font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; white-space: nowrap; }

/* Education feature cards */
.feature { padding: 0; display: flex; flex-direction: column; }
.feature .media { height: 260px; border-radius: var(--radius) var(--radius) 0 0; border-bottom: 1px solid var(--line); }
.feature .body { padding: 32px 36px 36px; display: flex; flex-direction: column; gap: 18px; flex: 1; }
.feature h3 { font-size: 30px; }
.feature .body > p { font-size: 16px; line-height: 1.6; color: var(--ink-2); }
.feature .tag-pill { font-family: var(--mono); font-size: 11px; color: var(--navy); border: 1px solid var(--navy); border-radius: 2px; padding: 4px 10px; white-space: nowrap; }
.feature .foot { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; border-top: 1px solid var(--line-2); padding-top: 18px; margin-top: auto; }
.list-q { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 24px; font-size: 14px; }
.list-q li { display: flex; gap: 10px; align-items: center; }

/* Pendulum teaser */
.teaser { position: relative; height: 300px; background: var(--navy); border-radius: var(--radius) var(--radius) 0 0; overflow: hidden; }
.teaser-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.teaser .lbl { position: absolute; left: 16px; top: 14px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; color: var(--on-navy-3); }
.teaser .val { position: absolute; right: 24px; top: 20px; font-family: var(--mono); font-size: 11px; color: #fff; }
@keyframes sway { 0% { transform: rotate(-7deg); } 50% { transform: rotate(7deg); } 100% { transform: rotate(-7deg); } }
@keyframes arm { 0% { transform: rotate(4deg); } 50% { transform: rotate(-4deg); } 100% { transform: rotate(4deg); } }
.teaser .rod { animation: sway 2.6s ease-in-out infinite; transform-origin: 50% 100%; }
.teaser .arm { animation: arm 2.6s ease-in-out infinite; transform-origin: 0 50%; }

/* Stats */
.stat { border: 1px solid rgba(255,255,255,0.2); border-radius: var(--radius); padding: 30px 28px; background: rgba(255,255,255,0.03); }
.stat .bignum { font-size: 56px; font-weight: 800; line-height: 1; letter-spacing: -0.03em; color: #fff; }
.stat small { display: block; font-size: 14px; color: var(--on-navy-3); margin-top: 10px; }

/* Forms */
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 13px; color: var(--ink-2); font-weight: 600; }
.field input, .field textarea, .field select {
  background: #fff; border: 1px solid #C5C8D4; border-radius: 4px; color: var(--navy); padding: 14px; font-size: 15px;
  font-family: var(--font); min-height: 50px; width: 100%;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: 2px solid var(--navy-700); border-color: transparent; }
.form-card { padding: 36px; display: flex; flex-direction: column; gap: 18px; background: var(--paper-2); }

/* Footer */
.site-footer { border-top: 1px solid var(--line-2); padding: 56px 0 32px; }
.site-footer .cols { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 32px; }
.site-footer .col { display: flex; flex-direction: column; gap: 10px; font-size: 14px; }
.site-footer .col a { color: var(--ink); }
.site-footer .col a:hover { color: var(--navy); }
.site-footer .col .h { font-family: var(--mono); font-size: 11px; color: var(--ink-4); letter-spacing: 0.14em; margin-bottom: 6px; }
.site-footer .bottom { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; border-top: 1px solid var(--line-2); padding-top: 24px; margin-top: 40px; font-family: var(--mono); font-size: 12px; color: var(--ink-4); }

/* Page hero (inner pages) */
.page-hero { padding: 88px 0 72px; border-bottom: 1px solid var(--line-2); background: linear-gradient(180deg, var(--paper-2), #fff); }
.page-hero h1 { font-size: 60px; letter-spacing: -0.03em; max-width: 900px; }
.page-hero .lead { font-size: 20px; line-height: 1.55; color: var(--ink-2); max-width: 720px; }
.page-hero .wrap { display: flex; flex-direction: column; gap: 22px; }
.crumbs { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; color: var(--ink-4); display: flex; gap: 10px; }
.crumbs a { color: var(--ink-3); }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } .teaser .rod, .teaser .arm { animation: none; } }

/* Simulator */
.sim { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; overflow: hidden; }
.sim-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 22px; border-bottom: 1px solid var(--line-2); flex-wrap: wrap; }
.sim-head .lbl { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; color: var(--ink-3); }
.sim-head .state { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; color: var(--navy-700); }
.sim-body { display: grid; grid-template-columns: minmax(0, 1.2fr) 300px; gap: 0; }
.sim-stage { background: var(--paper-2); position: relative; }
.sim-stage canvas { display: block; width: 100%; height: auto; }
.sim-panel { border-left: 1px solid var(--line-2); padding: 20px 22px; display: flex; flex-direction: column; gap: 16px; }
.seg { display: flex; gap: 6px; }
.seg button { flex: 1; text-align: center; font-size: 12px; padding: 8px; border-radius: 2px; border: 1px solid var(--line); background: #fff; color: var(--ink-2); cursor: pointer; font-weight: 600; }
.seg button[aria-pressed="true"] { background: var(--navy); color: #fff; border-color: var(--navy); }
.slider label { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-2); font-weight: 600; margin-bottom: 6px; }
.slider label output { font-family: var(--mono); color: var(--navy-700); font-weight: 500; }
.range { appearance: none; -webkit-appearance: none; width: 100%; height: 4px; border-radius: 2px; background: var(--line); outline: none; }
.range::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%; background: var(--navy); border: 3px solid #fff; box-shadow: 0 0 0 1px var(--navy); cursor: pointer; }
.range::-moz-range-thumb { width: 20px; height: 20px; border-radius: 50%; background: var(--navy); border: 3px solid #fff; box-shadow: 0 0 0 1px var(--navy); cursor: pointer; }
.range:focus-visible::-webkit-slider-thumb { outline: 2px solid var(--navy-700); outline-offset: 2px; }
.sim-plot { border-top: 1px solid var(--line-2); background: #fff; }
.sim-plot canvas { display: block; width: 100%; height: auto; }
.sim-note { padding: 14px 22px; border-top: 1px solid var(--line-2); font-size: 14px; color: var(--ink-2); display: flex; gap: 10px; align-items: flex-start; min-height: 48px; }
.sim-note .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--navy-700); display: inline-block; flex: none; margin-top: 6px; }
.sim-note.bad .dot { background: #B4232B; }
.sim-note.good .dot { background: #1E7F4E; }
.plant { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; align-items: start; }
.plant .specs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 24px; font-size: 14px; }
.plant .specs div { border-top: 1px solid var(--line-2); padding-top: 10px; }
.plant .specs b { display: block; color: var(--ink-3); font-weight: 500; font-size: 12px; font-family: var(--mono); letter-spacing: 0.08em; margin-bottom: 4px; }
.kit { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 24px; padding: 28px; }
.kit .photo { height: 160px; }
.kit h3 { font-size: 22px; }
.kit .comp { font-size: 14px; color: var(--ink-2); line-height: 1.6; }
.kit .foot { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 12px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-row span { font-family: var(--mono); font-size: 11px; color: var(--ink-2); border: 1px solid var(--line); border-radius: 2px; padding: 4px 8px; }

/* Responsive */
@media (max-width: 1060px) {
  [data-two] { grid-template-columns: 1fr !important; gap: 40px !important; }
  .grid--5 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid--6 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .site-footer .cols { grid-template-columns: 1fr 1fr; }
  .hero-copy h1 { font-size: 64px; }
  .sim-body { grid-template-columns: 1fr; }
  .sim-panel { border-left: 0; border-top: 1px solid var(--line-2); }
  .plant { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  :root { --gutter: 20px; }
  .nav, .header-right .lang { display: none; }
  .menu-btn { display: inline-flex; }
  .site-header .wrap { height: 72px; }
  .brand img { height: 32px; }
  .hero { background: #fff; }
  .hero .wrap { grid-template-columns: 1fr; min-height: 0; padding: 0; }
  .hero-copy { padding: 64px var(--gutter) 48px; }
  .hero-copy h1 { font-size: 52px; }
  .hero-copy .tag { font-size: 19px; }
  .hero-eco { min-height: 0; padding: 56px var(--gutter) 40px; }
  .hero-eco .label { left: var(--gutter); top: 20px; }
  .hero-eco { min-height: 0; padding: 48px var(--gutter) 24px; }
  .hero-eco .label { left: var(--gutter); top: 20px; }
  .section { padding: 72px 0; }
  .section-head h2 { font-size: 34px; }
  .grid--5, .grid--4, .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .grid--6 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-footer .cols { grid-template-columns: 1fr; }
  .page-hero h1 { font-size: 40px; }
  .feature h3 { font-size: 24px; }
  .kit { grid-template-columns: 1fr; }
  .list-q { grid-template-columns: 1fr; }
  .stat .bignum { font-size: 40px; }
  .cap { min-height: 0; }
}

/* Simulator extras: presets, live block diagram, state readout */
.presets { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.presets .plab { font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; color: var(--ink-4); margin-right: 4px; }
.presets button { font-size: 12px; padding: 6px 10px; border-radius: 2px; border: 1px solid var(--line); background: #fff; color: var(--navy); cursor: pointer; font-weight: 600; min-height: 32px; }
.presets button:hover { border-color: var(--navy); }
.presets button:disabled { cursor: default; }
.lqr-note { font-size: 12px; color: var(--ink-3); line-height: 1.5; margin: 0; display: none; }
.sim-flow { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 14px 22px; border-top: 1px solid var(--line-2); background: var(--paper-2); position: relative; font-size: 12px; color: var(--ink-2); }
.sim-flow .fb { display: flex; flex-direction: column; align-items: center; justify-content: center; min-width: 56px; padding: 6px 10px; border: 1px solid var(--line); border-radius: 3px; background: #fff; }
.sim-flow .fb .fl { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; color: var(--ink-4); }
.sim-flow .fb b { font-family: var(--mono); font-size: 12px; color: var(--navy); font-weight: 500; }
.sim-flow .fb.sum { border-radius: 50%; min-width: 34px; width: 34px; height: 34px; padding: 0; font-weight: 700; color: var(--navy); }
.sim-flow .fb.ctrl { border-color: var(--navy); background: var(--navy); }
.sim-flow .fb.ctrl .fl, .sim-flow .fb.ctrl b { color: #fff; }
.sim-flow .fb.plant { border-style: dashed; }
.sim-flow .fa { font-family: var(--mono); font-size: 11px; color: var(--ink-3); white-space: nowrap; }
.sim-flow .fa b { color: var(--navy-700); font-weight: 500; }
.sim-flow .fbk { margin-left: auto; font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; color: var(--ink-4); border-top: 1px dashed var(--grey); padding-top: 4px; }
.sim-states { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line-2); border-top: 1px solid var(--line-2); }
.sim-states div { background: #fff; padding: 10px 22px; display: flex; align-items: baseline; gap: 8px; }
.sim-states span { font-family: var(--mono); font-size: 12px; color: var(--ink-3); min-width: 20px; }
.sim-states b { font-family: var(--mono); font-size: 16px; font-weight: 500; color: var(--navy); font-variant-numeric: tabular-nums; min-width: 60px; }
.sim-states i { font-style: normal; font-size: 11px; color: var(--ink-4); }
@media (max-width: 760px) { .sim-states { grid-template-columns: repeat(2, minmax(0, 1fr)); } .sim-flow .fbk { display: none; } }

/* Laboratory kits catalogue */
.kit { display: grid; grid-template-columns: 320px minmax(0, 1fr); gap: 28px; padding: 24px; align-items: start; }
.kit > img { width: 100%; height: 240px; object-fit: cover; border-radius: 4px; border: 1px solid var(--line); background: #fff; }
.kit h3 { font-size: 22px; }
.klab { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--ink-3); font-weight: 500; display: block; margin-bottom: 8px; }
.spec-cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 24px; }
.spec-cols ul { display: flex; flex-direction: column; gap: 4px; }
.spec-cols li { font-size: 13.5px; line-height: 1.5; color: var(--ink-2); padding-left: 14px; position: relative; }
.spec-cols li::before { content: ""; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; background: var(--navy); transform: skewX(-18deg); }
.strip { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; }
.strip img { width: 100%; height: 150px; object-fit: cover; border-radius: 4px; border: 1px solid var(--line); }
@media (max-width: 900px) { .kit { grid-template-columns: 1fr; } .strip { grid-template-columns: repeat(2, minmax(0, 1fr)); } .strip img:last-child { grid-column: 1 / -1; } .spec-cols { grid-template-columns: 1fr; } }

.trainer-photo { width: 100%; height: 360px; object-fit: cover; border-radius: 6px; border: 1px solid var(--line); background: #E9EAEF; display: block; }
@media (max-width: 760px) { .trainer-photo { height: 240px; } }

.mps-grid { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 300px 200px; gap: 2px; background: #fff; }
.mps-grid img { width: 100%; height: 100%; object-fit: cover; display: block; }
.mps-grid img:first-child { grid-column: 1 / span 2; border-radius: 6px 0 0 0; }
.mps-grid img:last-child { border-radius: 0 0 0 6px; }
@media (max-width: 1060px) { .mps-grid { grid-template-rows: 240px 160px; } .mps-grid img:first-child { border-radius: 6px 6px 0 0; } .mps-grid img:last-child { border-radius: 0; } }

.dm-card { padding: 0; display: flex; flex-direction: column; }
.dm-card img { width: 100%; height: auto; display: block; border-bottom: 1px solid var(--line); }
.dm-card .dm-body { padding: 24px 26px 28px; display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.dm-card h3 { font-size: 20px; margin-top: 4px; }
.dm-card p { font-size: 15px; line-height: 1.6; color: var(--ink-2); }

.h3-idn { display: block; font-size: 14px; font-weight: 500; color: var(--ink-3); letter-spacing: 0; margin-top: 4px; font-family: var(--font); }
.link-box { display: flex; flex-direction: column; gap: 8px; padding: 22px 24px; color: inherit; }
.link-box .lb-name { font-family: var(--font); font-weight: 800; font-size: 18px; letter-spacing: 0.08em; color: var(--navy); }
.link-box .lb-desc { font-size: 14px; line-height: 1.5; color: var(--ink-2); }

/* ---------- Language switch ---------- */
.lang a { color: var(--ink-4); }
.lang a:hover { color: var(--navy); }

/* ---------- Hero, single column (home) ---------- */
.hero--solo { background: #fff; }
.hero--solo .wrap { grid-template-columns: minmax(0, 1fr); min-height: 0; }
.hero--solo .hero-copy { padding: 84px 0 56px; max-width: 860px; }
.hero--solo .hero-copy .tag { max-width: 720px; }

/* ---------- Product lineup ---------- */
.lineup { background: linear-gradient(180deg, #fff 0%, #F4F5F8 38%, #E9EBF1 74%, #DFE2EA 100%); padding: 40px 0 44px; border-bottom: 1px solid var(--line-2); overflow: hidden; }
.lineup-head { display: flex; flex-direction: column; gap: 10px; margin-bottom: 26px; }
.lineup-head h2 { font-size: 30px; letter-spacing: -0.02em; }
.lineup-scroll { overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.lineup-scroll::-webkit-scrollbar { display: none; }
.lineup-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 1.2%; min-width: 860px; position: relative; padding-top: 8px; }
.lu { flex: 0 0 var(--w); display: flex; flex-direction: column; align-items: center; gap: 22px; color: inherit; text-decoration: none; }
.lu-img { position: relative; width: 100%; display: flex; align-items: flex-end; justify-content: center; }
.lu-img::after { content: ""; position: absolute; left: 6%; right: 6%; bottom: -10px; height: 22px; background: radial-gradient(ellipse at center, rgba(20,22,60,0.30) 0%, rgba(20,22,60,0.10) 45%, rgba(20,22,60,0) 72%); z-index: 0; }
.lu-img img { position: relative; z-index: 1; width: 100%; height: auto; display: block; transition: transform .35s ease; filter: drop-shadow(0 6px 10px rgba(20,22,60,0.14)); }
.lu--kit .lu-img img { width: 92%; transform: perspective(700px) rotateY(16deg); border-radius: 6px; box-shadow: 0 2px 0 #9aa0b2, 0 4px 0 #c9ccd6; }
.lu:hover .lu-img img { transform: translateY(-6px); }
.lu--kit:hover .lu-img img { transform: perspective(700px) rotateY(16deg) translateY(-6px); }
.lu-lbl { display: flex; flex-direction: column; align-items: center; gap: 4px; text-align: center; border-top: 1px solid rgba(10,10,110,0.18); padding-top: 12px; width: 100%; }
.lu-lbl b { font-size: 14px; font-weight: 800; color: var(--navy); letter-spacing: -0.01em; line-height: 1.25; }
.lu-lbl small { font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em; color: var(--ink-3); display: inline-flex; align-items: center; gap: 6px; }
.lu-lbl small svg { width: 12px; height: 12px; color: var(--navy-700); }
.lu:hover .lu-lbl b { color: var(--navy-700); }

/* ---------- MPS ---------- */
.mps-teaser { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0; align-items: stretch; color: inherit; }
.mps-teaser-img { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2px; background: var(--line); min-height: 340px; }
.mps-teaser-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.mps-flow { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.mf-step { display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border: 1.5px solid var(--navy); border-radius: 4px; font-weight: 700; font-size: 14px; color: var(--navy); background: #fff; }
.mf-step span { font-family: var(--mono); font-size: 11px; color: var(--ink-4); font-weight: 500; }
.mf-step:hover { background: var(--navy); color: #fff; }
.mf-step:hover span { color: var(--on-navy-3); }
.mf-step--robot { border-style: dashed; }
.mf-arr, .mf-plus { color: var(--ink-4); font-family: var(--mono); font-size: 14px; }
.mps-platform { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: 6px; background: var(--paper-2); }
.mps-platform > div { padding: 22px 24px; font-size: 14px; line-height: 1.55; color: var(--ink-2); border-left: 1px solid var(--line); }
.mps-platform > div:first-child { border-left: 0; }
.mps-platform b { display: block; font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; color: var(--navy); font-weight: 500; margin-bottom: 8px; }
.st-grid { gap: 20px; }
.st { display: flex; flex-direction: column; scroll-margin-top: 104px; }
.st img { width: 100%; height: 300px; object-fit: cover; object-position: 50% 42%; display: block; border-bottom: 1px solid var(--line); background: var(--paper-3); }
.st-body { padding: 24px 26px 26px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.st-body h3 { font-size: 21px; }
.st-body p { font-size: 15px; line-height: 1.6; color: var(--ink-2); flex: 1; }
.st-body .num { align-self: flex-start; }
@media (max-width: 1060px) { .mps-platform { grid-template-columns: repeat(2, minmax(0, 1fr)); } .mps-platform > div:nth-child(3) { border-left: 0; } .mps-platform > div:nth-child(n+3) { border-top: 1px solid var(--line); } .st-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 760px) {
  .hero--solo .hero-copy { padding: 56px var(--gutter) 40px; }
  .lineup { padding: 32px 0 36px; }
  .lineup-head h2 { font-size: 24px; }
  .mps-teaser { grid-template-columns: 1fr; }
  .mps-teaser-img { min-height: 220px; }
  .mps-platform, .st-grid { grid-template-columns: 1fr; }
  .mps-platform > div { border-left: 0; border-top: 1px solid var(--line); }
  .mps-platform > div:first-child { border-top: 0; }
  .st img { height: 260px; }
}
.lu-lbl { min-height: 66px; justify-content: flex-start; }
.lu-lbl small { white-space: nowrap; }
.nav a, .header-right .btn, .lang { white-space: nowrap; }
.mf-step { padding: 9px 12px; font-size: 13px; }
.mps-flow { gap: 6px; }
@media (max-width: 1240px) { .nav { gap: 22px; } .nav a { font-size: 14px; } }

/* ---------- Hero with product list (home) ---------- */
.hero--split { background: #fff; }
.hero--split .wrap { grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr); gap: 56px; align-items: center; min-height: 0; padding-top: 64px; padding-bottom: 72px; }
.hero--split .hero-copy { padding: 24px 0; }
.hero--split .hero-copy h1 { font-size: 78px; }
.hero--split .sweep { left: -6%; width: 100%; }
.plist { display: flex; flex-direction: column; }
.plist .eh { font-family: var(--mono); font-size: 11px; letter-spacing: .16em; color: var(--ink-4); padding: 0 0 12px; border-bottom: 1px solid var(--line); }
.prow { display: grid; grid-template-columns: 104px minmax(0, 1fr) 24px; gap: 18px; align-items: center; padding: 10px 8px; border-bottom: 1px solid var(--line); color: inherit; transition: background .2s; }
.prow img { width: 104px; height: 72px; object-fit: cover; border-radius: 4px; border: 1px solid var(--line); display: block; background: var(--paper-2); }
.prow b { display: block; font-size: 17px; color: var(--navy); font-weight: 800; letter-spacing: -0.01em; }
.prow small { display: block; font-size: 13px; color: var(--ink-3); margin-top: 3px; line-height: 1.4; }
.prow .ar { color: var(--navy-700); display: flex; transition: transform .2s; }
.prow:hover { background: var(--paper-2); color: inherit; }
.prow:hover b { color: var(--navy-700); }
.prow:hover .ar { transform: translateX(4px); }
@media (max-width: 1060px) { .hero--split .wrap { grid-template-columns: 1fr; gap: 32px; } .hero--split .hero-copy h1 { font-size: 64px; } }
@media (max-width: 760px) {
  .hero--split .wrap { padding: 40px var(--gutter) 48px; }
  .hero--split .hero-copy h1 { font-size: 52px; }
  .prow { grid-template-columns: 84px minmax(0, 1fr) 20px; gap: 14px; }
  .prow img { width: 84px; height: 60px; }
}
@media (max-width: 760px) { .hero--split .hero-copy { padding: 0; } }
.hero--split .sweep { top: 0; }

/* ---------- Page hero with link list ---------- */
.page-hero--split .wrap { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: 56px; align-items: center; }
.page-hero--split .ph-copy { display: flex; flex-direction: column; gap: 22px; }
.page-hero--split h1 { font-size: 50px; }
.page-hero--split .lead { font-size: 18px; }
.page-hero .plist { align-self: center; }
.prow .pico { width: 104px; height: 72px; border-radius: 4px; border: 1px solid var(--line); background: var(--paper-2); color: var(--navy); display: flex; align-items: center; justify-content: center; }
.prow:hover .pico { background: #fff; }
@media (max-width: 1060px) { .page-hero--split .wrap { grid-template-columns: 1fr; gap: 36px; } }
@media (max-width: 760px) { .page-hero--split h1 { font-size: 36px; } .prow .pico { width: 84px; height: 60px; } }

/* ---------- About photos ---------- */
.aph { margin: 0; position: relative; border-radius: 6px; overflow: hidden; border: 1px solid var(--line); background: var(--paper-2); }
.aph img { width: 100%; height: 100%; min-height: 200px; object-fit: cover; display: block; }
.aph figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 22px 14px 10px; font-family: var(--mono); font-size: 11px; letter-spacing: .08em; color: #fff; background: linear-gradient(transparent, rgba(6,6,63,.72)); }
.grid--2 > .aph { height: 300px; }
.def-grid { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 240px 170px; gap: 12px; }
.def-grid .def-main { grid-column: 1 / -1; }
@media (max-width: 760px) { .grid--2 > .aph { height: 220px; } .def-grid { grid-template-rows: 200px 140px; } }

/* ---------- Ecosystem name tiles ---------- */
.eco-grid { gap: 12px; }
.eco-grid .logo-tile { height: auto; min-height: 92px; flex-direction: column; gap: 6px; padding: 14px 12px; }
.eco-grid .logo-tile b { font-size: 15px; font-weight: 800; letter-spacing: 0.02em; color: #5B5B6B; }
.eco-grid .logo-tile small { font-size: 11.5px; line-height: 1.35; font-weight: 500; letter-spacing: 0; color: var(--ink-4); }
.eco-grid .logo-tile:hover b { color: var(--navy); }
.def-grid--one { grid-template-rows: 380px; grid-template-columns: 1fr; }
@media (max-width: 1060px) { .grid--5.eco-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 760px) { .grid--5.eco-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .def-grid--one { grid-template-rows: 240px; } }

/* ---------- Capabilities, 6 cards ---------- */
.caps6 { gap: 20px; }

/* ---------- Project flow (two phases) ---------- */
.pf { display: grid; grid-template-columns: 3fr 1fr 2fr; gap: 20px; margin-top: 26px; }
.pf-ph { border: 1px solid var(--line); border-radius: 8px; padding: 20px 20px 22px; background: var(--paper-2); }
.pf-ph--b { background: #fff; }
.section--tint .pf-ph { background: #fff; }
.section--tint .pf-ph--b { background: var(--paper-2); }
.pf-h { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; border-bottom: 1px solid var(--line); padding-bottom: 12px; margin-bottom: 16px; }
.pf-h b { font-size: 15px; color: var(--navy); font-weight: 800; }
.pf-h span { font-family: var(--mono); font-size: 11px; color: var(--ink-3); letter-spacing: .06em; }
.pf-steps { display: grid; gap: 14px; }
.pf-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pf-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.pf-st img { width: 100%; height: 130px; object-fit: cover; border-radius: 5px; border: 1px solid var(--line); display: block; background: #fff; }
.pf-st .n { font-family: var(--mono); font-size: 11px; color: var(--navy); margin: 12px 0 4px; display: block; }
.pf-st h3 { font-size: 16px; margin: 0 0 5px; }
.pf-st p { font-size: 13.5px; line-height: 1.5; color: var(--ink-2); margin: 0; }
.pf-gate { display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; border: 1.5px dashed var(--navy); border-radius: 8px; padding: 18px; background: #fff; }
.pf-gate .tag { font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; color: var(--ink-4); }
.pf-gate h3 { font-size: 18px; margin: 10px 0 6px; }
.pf-gate p { font-size: 13.5px; color: var(--ink-2); line-height: 1.5; margin: 0; }
.pf-gate .arr { font-size: 26px; color: var(--navy); margin-top: 8px; }
.pf-note { display: flex; gap: 14px 24px; flex-wrap: wrap; align-items: center; margin-top: 22px; font-size: 15px; color: var(--ink-2); }
.pf-note b { color: var(--navy); }
@media (max-width: 1060px) { .pf { grid-template-columns: 1fr; } .pf-gate .arr { transform: rotate(90deg); } }
@media (max-width: 760px) { .pf-3, .pf-2 { grid-template-columns: 1fr; } .pf-st img { height: 180px; } }

/* ---------- Case studies (Engineering Design) ---------- */
.case { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: 0; align-items: stretch; }
.case-img { display: grid; gap: 2px; background: var(--line); min-height: 320px; }
.case-img--2 { grid-template-columns: 1fr 1fr; }
.case-img img { width: 100%; height: 100%; object-fit: cover; display: block; background: #fff; }
.case-body { padding: 30px 32px; display: flex; flex-direction: column; gap: 12px; justify-content: center; }
.case-body h3 { font-size: 24px; }
.case-body p { font-size: 15px; line-height: 1.6; color: var(--ink-2); }
.case--v { grid-template-columns: 1fr; }
.case--v .case-img { min-height: 260px; height: 260px; }
@media (max-width: 900px) { .case { grid-template-columns: 1fr; } .case-img { min-height: 240px; height: 240px; } }
/* 6 menu items: tighten, then collapse earlier */
.nav { gap: 26px; }
.nav a { font-size: 14.5px; }
@media (max-width: 1300px) { .nav { gap: 18px; } .nav a { font-size: 14px; } .header-right { gap: 14px; } }
@media (max-width: 1200px) { .nav, .header-right .lang { display: none; } .menu-btn { display: inline-flex; } }
.case-img { overflow: hidden; height: 380px; min-height: 0; }
.case-img img { height: 100%; min-height: 0; }
.case--v .case-img { height: 260px; }
.sw-list { display: grid; gap: 10px; margin-top: 6px; }
.sw-list div { font-size: 15px; line-height: 1.5; color: var(--ink-2); padding: 10px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 80px 1fr; gap: 12px; }
.sw-list b { font-family: var(--mono); font-size: 12px; letter-spacing: .08em; color: var(--navy); font-weight: 500; padding-top: 2px; }
@media (max-width: 900px) { .case-img, .case--v .case-img { height: 240px; } }
.cap.card--navy p { color: var(--on-navy-2); } .cap.card--navy h3 { color: #fff; }

/* ---------- Capabilities: 6 cards in one row ---------- */
.caps6 { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; }
.caps6 .cap { padding-bottom: 18px; gap: 10px; }
.caps6 .cap > *:not(.cap-img):not(.idx) { margin-left: 14px; margin-right: 14px; }
.caps6 .cap .idx { top: 8px; left: 8px; margin: 0; }
.caps6 .cap-img { height: 118px; }
.caps6 .cap h3 { font-size: 16px; line-height: 1.2; margin-top: 4px; }
.caps6 .cap p { font-size: 12.5px; line-height: 1.5; }
.caps6 .ext { font-size: 12.5px; }
@media (max-width: 1060px) {
  .caps6 { display: grid; grid-template-columns: repeat(6, 230px); overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px; scrollbar-width: thin; }
  .caps6 .cap { scroll-snap-align: start; }
}

/* ---------- Semi-fluid container + large screens ---------- */
:root { --wrap: min(1600px, 92vw); }
.wrap { max-width: var(--wrap); width: 100%; }
.lead, .section-head p.lead, .page-hero .lead { max-width: 760px; }
@media (min-width: 1500px) {
  html { font-size: 17px; }
  .nav { gap: 32px; } .nav a { font-size: 16px; }
  .hero--split .wrap { min-height: calc(100vh - 88px); padding-top: 40px; padding-bottom: 40px; }
  .hero--split .hero-copy h1 { font-size: 96px; }
  .hero-copy .tag { font-size: 25px; max-width: 640px; }
  .prow { grid-template-columns: 132px minmax(0, 1fr) 24px; padding: 12px 10px; }
  .prow img, .prow .pico { width: 132px; height: 88px; }
  .prow b { font-size: 19px; } .prow small { font-size: 14px; }
  .page-hero--split h1 { font-size: 58px; }
  .section-head h2 { font-size: 46px; }
  .caps6 .cap-img { height: 150px; }
  .caps6 .cap h3 { font-size: 18px; } .caps6 .cap p { font-size: 14px; }
  .pf-st img { height: 160px; }
  .case-img { height: 440px; }
}