:root {
  --ink: #151b22;
  --muted: #66707b;
  --paper: #f3f0e9;
  --paper-2: #ebe7de;
  --line: #d5d0c6;
  --orange: #ff6b2b;
  --orange-dark: #d84a13;
  --navy: #172531;
  --navy-2: #0e1820;
  --hmi-green: #2d9343;
  --hmi-dark: #1c2823;
  --hmi-grid: #146c2c;
  --red: #ed2c24;
  --blue: #0581ff;
  --green: #11873a;
  --yellow: #ffd43b;
  --shadow: 0 24px 70px rgba(9, 17, 23, .18);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Segoe UI", Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

button, a { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }

.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 82px;
  padding: 0 clamp(24px, 5vw, 78px);
  display: flex;
  align-items: center;
  gap: 32px;
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.22);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .08em;
  white-space: nowrap;
}

.brand b { color: var(--orange); }

.brand-mark {
  width: 35px;
  height: 29px;
  display: flex;
  align-items: end;
  gap: 4px;
  padding: 3px;
  border: 1px solid currentColor;
}

.brand-mark i { width: 7px; display: block; background: var(--orange); }
.brand-mark i:nth-child(1) { height: 9px; }
.brand-mark i:nth-child(2) { height: 18px; }
.brand-mark i:nth-child(3) { height: 13px; }

.site-nav { margin-left: auto; display: flex; gap: clamp(18px, 3vw, 44px); }
.site-nav a { font-size: 13px; color: rgba(255,255,255,.74); transition: color .2s; }
.site-nav a:hover { color: #fff; }

.header-demo {
  min-height: 42px;
  padding: 0 18px;
  color: #fff;
  background: transparent;
  border: 1px solid rgba(255,255,255,.5);
  font-size: 13px;
  font-weight: 700;
  transition: background .2s, color .2s;
}
.header-demo:hover { color: var(--ink); background: #fff; }
.header-demo span { color: var(--orange); margin-left: 7px; }

.hero {
  position: relative;
  min-height: 810px;
  height: 100vh;
  max-height: 980px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background: var(--navy-2);
}

.hero-image {
  position: absolute;
  inset: 0;
  background-image: url("assets/boiler-room-hero.png");
  background-size: cover;
  background-position: center;
  opacity: .53;
  filter: saturate(.7) contrast(1.1);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(5, 13, 19, .54);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 54%;
  background: rgba(7, 16, 23, .64);
}

.hero-grid {
  position: absolute;
  z-index: 2;
  inset: 82px 5vw 0;
  border-left: 1px solid rgba(255,255,255,.07);
  border-right: 1px solid rgba(255,255,255,.07);
  pointer-events: none;
}
.hero-grid::before, .hero-grid::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(255,255,255,.055);
}
.hero-grid::before { left: 33.333%; }
.hero-grid::after { right: 33.333%; }

.hero-content {
  position: relative;
  z-index: 4;
  width: min(870px, 63vw);
  padding: 90px 0 20px clamp(28px, 8vw, 126px);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 30px;
  color: rgba(255,255,255,.74);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.eyebrow span { width: 31px; height: 2px; background: var(--orange); }

.hero h1,
.section h2,
.demo-promo h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  line-height: .96;
  letter-spacing: -.045em;
}
.hero h1 { max-width: 850px; font-size: clamp(54px, 7vw, 104px); }
.hero h1 em, .section h2 em, .demo-promo h2 em { color: var(--orange); font-weight: 400; }

.hero-lead {
  max-width: 730px;
  margin: 32px 0 0;
  color: rgba(255,255,255,.79);
  font-size: clamp(16px, 1.4vw, 20px);
  line-height: 1.6;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 37px; }
.button {
  min-height: 54px;
  padding: 0 24px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 11px;
  border: 1px solid transparent;
  font-weight: 750;
  font-size: 14px;
  transition: transform .2s, background .2s, border-color .2s;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--orange); border-color: var(--orange); }
.button-primary:hover { background: #ff7c43; }
.button-ghost { color: #fff; background: rgba(12,22,29,.35); border-color: rgba(255,255,255,.45); }
.button-ghost:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.play { font-size: 11px; }

.hero-facts {
  position: absolute;
  z-index: 5;
  right: clamp(28px, 5vw, 78px);
  bottom: 90px;
  display: flex;
  border-top: 1px solid rgba(255,255,255,.32);
  border-bottom: 1px solid rgba(255,255,255,.15);
  backdrop-filter: blur(8px);
}
.hero-facts div { min-width: 165px; padding: 21px 20px 23px; border-right: 1px solid rgba(255,255,255,.16); }
.hero-facts div:last-child { border-right: 0; }
.hero-facts strong { display: block; font-family: Georgia, serif; font-size: 40px; line-height: 1; font-weight: 400; color: var(--orange); }
.hero-facts span { display: block; margin-top: 8px; font-size: 11px; line-height: 1.4; color: rgba(255,255,255,.72); text-transform: uppercase; letter-spacing: .08em; }

.scroll-cue {
  position: absolute;
  z-index: 5;
  left: clamp(28px, 5vw, 78px);
  bottom: 43px;
  display: flex;
  align-items: center;
  gap: 13px;
  color: rgba(255,255,255,.58);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.scroll-cue i { position: relative; width: 58px; height: 1px; background: rgba(255,255,255,.38); }
.scroll-cue i::after { content: ""; position: absolute; right: 0; top: -3px; width: 7px; height: 7px; border-right: 1px solid rgba(255,255,255,.7); border-bottom: 1px solid rgba(255,255,255,.7); transform: rotate(-45deg); }

.section { padding: 108px clamp(24px, 7vw, 108px); }
.section-kicker { color: var(--orange-dark); font-size: 11px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.section-kicker.light { color: #ff8956; }

.intro { background: var(--paper); }
.intro-copy, .section-heading { margin-top: 34px; display: grid; grid-template-columns: 1.25fr .75fr; gap: clamp(40px, 8vw, 130px); align-items: end; }
.section h2, .demo-promo h2 { font-size: clamp(44px, 5.8vw, 80px); }
.intro-copy > p, .section-heading > p { margin: 0 0 5px; color: var(--muted); font-size: 17px; line-height: 1.72; }

.feature-grid { margin-top: 74px; display: grid; grid-template-columns: 1.18fr .82fr .82fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.feature-card { position: relative; min-height: 350px; padding: 38px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature-no { color: #9b958b; font-size: 11px; letter-spacing: .14em; }
.feature-card h3 { margin: 34px 0 12px; font-size: 23px; }
.feature-card p { max-width: 380px; margin: 0; color: var(--muted); font-size: 15px; }
.dark-card { color: #fff; background: var(--navy); border-color: var(--navy); }
.dark-card p { color: rgba(255,255,255,.65); }
.dark-card .feature-no { color: rgba(255,255,255,.45); }

.feature-icon { width: 104px; height: 74px; margin-top: 38px; position: relative; }
.icon-cascade { display: flex; align-items: end; gap: 7px; }
.icon-cascade i { width: 20px; border: 2px solid var(--ink); border-bottom-width: 5px; }
.icon-cascade i:nth-child(1) { height: 35px; }
.icon-cascade i:nth-child(2) { height: 47px; }
.icon-cascade i:nth-child(3) { height: 60px; background: var(--orange); border-color: var(--orange-dark); }
.icon-cascade i:nth-child(4) { height: 43px; }
.icon-pump { width: 74px; height: 74px; border: 3px solid var(--ink); border-radius: 50%; }
.icon-pump::before { content: ""; position: absolute; width: 19px; height: 19px; border: 6px solid var(--orange); border-radius: 50%; left: 22px; top: 22px; }
.icon-pump::after { content: ""; position: absolute; width: 34px; height: 11px; background: var(--ink); right: -27px; top: 29px; }
.icon-shield { width: 66px; height: 74px; border: 2px solid rgba(255,255,255,.8); border-radius: 32px 32px 38px 38px; }
.icon-shield i { position: absolute; width: 14px; height: 27px; left: 24px; top: 18px; border-right: 3px solid var(--orange); border-bottom: 3px solid var(--orange); transform: rotate(42deg); }

.architecture { color: #fff; background: var(--navy); overflow: hidden; }
.light-heading h2 { color: #fff; }
.light-heading > p { color: rgba(255,255,255,.62); }

.system-map {
  position: relative;
  margin-top: 80px;
  min-height: 515px;
  display: grid;
  grid-template-columns: 1fr 150px 235px 150px 1fr;
  align-items: center;
}
.map-column { min-width: 0; }
.map-label { margin: 0 0 14px; color: #7f91a0; font-size: 11px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.device-list { border-top: 1px solid rgba(255,255,255,.16); }
.device-list div { min-height: 82px; padding: 16px 0; display: grid; grid-template-columns: 50px 1fr; align-items: center; border-bottom: 1px solid rgba(255,255,255,.12); }
.device-list b { color: var(--orange); font-family: Georgia, serif; font-size: 25px; font-weight: 400; }
.device-list span { font-size: 13px; color: rgba(255,255,255,.72); }
.bus-line { position: relative; height: 2px; background: #71808d; }
.bus-line::before, .bus-line::after { content: ""; position: absolute; top: -4px; width: 9px; height: 9px; border-radius: 50%; background: var(--orange); }
.bus-line::before { left: -2px; }.bus-line::after { right: -2px; }
.bus-line span, .ethernet-line span { position: absolute; top: -26px; width: 100%; color: #99a7b2; text-align: center; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.controller-node { position: relative; min-height: 278px; padding: 34px 28px; text-align: center; display: flex; flex-direction: column; justify-content: center; background: #e8e6dd; color: var(--ink); border: 8px solid #364651; box-shadow: var(--shadow); }
.controller-node::before { content: ""; position: absolute; top: -8px; left: 18px; right: 18px; height: 8px; background: var(--orange); }
.node-overline { font-size: 10px; color: #77818a; font-weight: 800; text-transform: uppercase; letter-spacing: .13em; }
.controller-node strong { margin-top: 18px; font-size: 28px; line-height: 1.15; }
.controller-node small, .hmi-node small { display: block; margin-top: 9px; color: #7b858e; }
.plc-leds { margin: 26px auto 0; display: flex; gap: 8px; }
.plc-leds i { width: 9px; height: 9px; border-radius: 50%; background: #78bf4e; box-shadow: 0 0 0 3px rgba(120,191,78,.18); }
.plc-leds i:nth-child(3) { background: var(--yellow); }
.plc-leds i:nth-child(4) { background: #b2b5b6; box-shadow: none; }
.ethernet-line { position: absolute; left: 50%; top: 392px; width: 2px; height: 76px; background: #71808d; }
.ethernet-line::before, .ethernet-line::after { content: ""; position: absolute; left: -4px; width: 9px; height: 9px; border-radius: 50%; background: var(--orange); }
.ethernet-line::before { top: -2px; }.ethernet-line::after { bottom: -2px; }
.ethernet-line span { width: 190px; top: 25px; left: 14px; text-align: left; }
.hmi-node { position: absolute; left: 50%; top: 474px; transform: translateX(-50%); width: 430px; padding: 18px; display: flex; align-items: center; gap: 20px; background: #0b1217; border: 1px solid #536571; }
.hmi-node strong { display: block; margin-top: 3px; font-size: 20px; }
.mini-hmi { width: 126px; height: 76px; position: relative; overflow: hidden; background: var(--hmi-green); border: 8px solid #26343d; }
.mini-hmi span { position: absolute; left: 8px; right: 8px; top: 8px; height: 6px; background: var(--red); }
.mini-hmi i { position: absolute; bottom: 8px; width: 17px; height: 25px; border: 2px solid #202a25; background: #68a655; }
.mini-hmi i:nth-of-type(1){left:14px}.mini-hmi i:nth-of-type(2){left:38px}.mini-hmi i:nth-of-type(3){left:62px}.mini-hmi i:nth-of-type(4){left:86px}

.io-section { padding-bottom: 130px; }
.io-totals { margin-top: 70px; display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.io-totals > div { min-height: 215px; padding: 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.io-code { display: inline-flex; width: 38px; height: 25px; align-items: center; justify-content: center; color: #fff; font-size: 11px; font-weight: 850; letter-spacing: .05em; background: var(--ink); }
.io-code.ai { background: #286c9b; }.io-code.do { background: var(--orange-dark); }.io-code.ao { background: #8d8d88; }
.io-totals strong { margin: 12px 6px 0 0; display: inline-block; font-family: Georgia, serif; font-weight: 400; font-size: 58px; line-height: 1; }
.io-totals small { color: #8b887f; }
.io-totals p { margin: 12px 0 0; color: var(--muted); font-size: 14px; }

.module-table-wrap { margin-top: 52px; overflow-x: auto; border-top: 2px solid var(--ink); }
.module-table { width: 100%; border-collapse: collapse; min-width: 780px; }
.module-table th { padding: 16px; color: #7b7b75; text-align: left; font-size: 10px; text-transform: uppercase; letter-spacing: .13em; border-bottom: 1px solid var(--line); }
.module-table td { padding: 21px 16px; border-bottom: 1px solid var(--line); font-size: 14px; }
.module-table td:first-child { width: 37%; }
.module-table td b { display: block; font-size: 16px; }
.module-table td span { color: var(--muted); font-size: 12px; }
.module-table td:nth-child(2) { font-size: 22px; font-family: Georgia, serif; }
.module-table td:last-child { color: var(--orange-dark); font-weight: 750; }

.signal-groups { display: grid; grid-template-columns: repeat(4,1fr); margin-top: 48px; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.signal-groups article { min-height: 230px; padding: 28px; background: var(--paper); }
.signal-groups article > span { color: var(--orange-dark); font-size: 11px; font-weight: 850; letter-spacing: .16em; }
.signal-groups h3 { margin: 32px 0 11px; font-size: 18px; }
.signal-groups p { margin: 0; color: var(--muted); font-size: 13px; }

.demo-promo { padding: 108px clamp(24px, 7vw, 108px); display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(50px, 8vw, 120px); align-items: center; color: #fff; background: var(--navy-2); }
.demo-copy h2 { margin-top: 34px; font-size: clamp(44px, 5.3vw, 76px); }
.demo-copy > p { max-width: 690px; margin: 28px 0 0; color: rgba(255,255,255,.66); font-size: 16px; }
.demo-checks { margin: 28px 0 34px; padding: 0; list-style: none; }
.demo-checks li { position: relative; padding: 9px 0 9px 28px; color: rgba(255,255,255,.82); font-size: 14px; border-bottom: 1px solid rgba(255,255,255,.09); }
.demo-checks li::before { content: "✓"; position: absolute; left: 0; color: var(--orange); font-weight: 800; }

.hmi-teaser { position: relative; aspect-ratio: 1024/600; padding: 0; overflow: hidden; color: #fff; background: var(--hmi-green); border: 13px solid #27343d; box-shadow: 0 30px 100px rgba(0,0,0,.38); text-align: left; }
.hmi-teaser::after { content: ""; position: absolute; inset: 0; background: rgba(8,16,18,.17); transition: background .2s; }
.hmi-teaser:hover::after { background: rgba(8,16,18,.02); }
.teaser-top { position: absolute; z-index: 2; left: 0; right: 0; top: 0; height: 12%; display: grid; grid-template-columns: repeat(3,1fr); background: #0f1619; }
.teaser-top b { display: grid; place-items: center; font-size: clamp(5px,.65vw,10px); border-right: 1px solid #607279; }
.teaser-pipes i { position: absolute; z-index: 1; display: block; }
.teaser-pipes i:nth-child(1) { left: 4%; top: 20%; bottom: 22%; width: 1.3%; background: var(--red); }
.teaser-pipes i:nth-child(2) { left: 11%; top: 38%; bottom: 22%; width: 1.3%; background: var(--blue); }
.teaser-pipes i:nth-child(3) { left: 11%; top: 38%; right: 23%; height: 1.3%; background: var(--green); }
.teaser-boilers { position: absolute; z-index: 2; left: 5%; right: 37%; bottom: 4%; height: 29%; display: flex; gap: 3%; }
.teaser-boilers i { flex: 1; display: grid; place-items: center; font-style: normal; font-size: 18px; color: #17202a; background: #7eb05c; border: 2px solid #20312a; }
.teaser-play { position: absolute; z-index: 4; left: 50%; top: 50%; width: 70px; height: 70px; display: grid; place-items: center; transform: translate(-50%,-50%); background: var(--orange); border: 1px solid #fff; border-radius: 50%; font-size: 24px; box-shadow: 0 10px 35px rgba(0,0,0,.35); }
.teaser-caption { position: absolute; z-index: 4; right: 17px; bottom: 12px; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }

.site-footer { min-height: 150px; padding: 34px clamp(24px,7vw,108px); display: grid; grid-template-columns: auto 1fr auto; gap: 38px; align-items: center; color: rgba(255,255,255,.68); background: #090f13; border-top: 1px solid #273039; }
.footer-brand { color: #fff; }
.site-footer p { margin: 0; text-align: center; font-size: 12px; }
.site-footer > a { font-size: 12px; color: var(--orange); }

/* Operator panel demo */
.hmi-dialog {
  width: min(99vw, 1420px);
  max-width: none;
  max-height: 98vh;
  margin: auto;
  padding: 0;
  color: #fff;
  background: #111a20;
  border: 1px solid #445560;
  box-shadow: 0 34px 120px rgba(0,0,0,.58);
  overflow: hidden;
}
.hmi-dialog::backdrop { background: rgba(5,9,12,.84); backdrop-filter: blur(9px); }
.dialog-toolbar { min-height: 52px; padding: 0 13px 0 18px; display: flex; align-items: center; justify-content: space-between; gap: 16px; background: #10181e; border-bottom: 1px solid #34434c; font-size: 12px; }
.dialog-toolbar > div { display: flex; align-items: center; gap: 8px; }
.dialog-toolbar span { color: #84939c; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: #67cd52; box-shadow: 0 0 0 4px rgba(103,205,82,.12); }
.dialog-actions button { height: 32px; padding: 0 11px; color: #dbe2e7; background: transparent; border: 1px solid #46555e; font-size: 11px; }
.dialog-actions button:hover { background: #26343c; }
#closeDemo { width: 34px; padding: 0; font-size: 21px; color: #fff; border-color: #8b3c2f; background: #6f291f; }
#fullscreenDemo { width: 34px; padding: 0; font-size: 19px; }

.hmi-viewport { position: relative; margin: 0 auto; overflow: hidden; background: #111; }
.hmi-stage { position: absolute; left: 0; top: 0; width: 1024px; height: 660px; transform-origin: 0 0; overflow: hidden; color: #0b0d0c; background-color: var(--hmi-green); background-image: url("assets/boiler-room-hero.png"); background-size: 1px 1px; font-family: Arial, sans-serif; user-select: none; }
.hmi-stage::before { content: ""; position: absolute; inset: 0; z-index: 0; background: rgba(45,147,67,.96); pointer-events: none; }

.hmi-nav { position: relative; z-index: 20; height: 50px; display: grid; grid-template-columns: 150px 147px 147px 201px 1fr; border-bottom: 3px solid #77988a; background: #161d1a; }
.hmi-nav button { position: relative; padding: 0 8px; color: #fff; background: #121816; border: 0; border-right: 2px solid #778d84; font-size: 13px; font-weight: 750; line-height: 1.1; }
.hmi-nav button:hover, .hmi-nav button.active { background: #33493e; box-shadow: inset 0 -4px 0 #f3a127; }
.hmi-nav button:last-child { border-right: 0; }
.hmi-nav button b { min-width: 18px; height: 18px; margin-left: 6px; display: inline-grid; place-items: center; color: #fff; background: #626a65; border-radius: 9px; font-size: 10px; }
.hmi-nav button.has-alarm b { background: #d62525; }
.hmi-alarm-led { display: inline-block; width: 10px; height: 10px; margin-right: 7px; border-radius: 50%; background: #75c655; border: 1px solid #c3f2ae; }
.has-alarm .hmi-alarm-led { background: #ff2d27; box-shadow: 0 0 9px #ff2d27; animation: alarmblink 1s steps(1) infinite; }
@keyframes alarmblink { 50% { opacity: .25; } }

.hmi-screen { position: absolute; z-index: 3; left: 0; right: 0; top: 50px; bottom: 0; display: none; overflow: hidden; }
.hmi-screen.active { display: block; }
.process-pipes { position: absolute; z-index: 1; inset: 0; pointer-events: none; }
.pipe { position: absolute; display: block; border: 0; background: transparent; }
.pipe::before, .pipe::after { content: ""; position: absolute; pointer-events: none; }
.pipe::before { z-index: 0; inset: -2px; background: #1b241f; }
.pipe::after { z-index: 1; inset: 0; background: var(--pipe-color); box-shadow: inset 0 2px 0 rgba(255,255,255,.3); }
.pipe-hot { --pipe-color: var(--red); }.pipe-cold { --pipe-color: var(--blue); }.pipe-return { --pipe-color: var(--green); }
.boiler-riser-hot { left: 34px; top: 18px; width: 9px; height: 330px; }
.boiler-riser-cold { left: 101px; top: 138px; width: 9px; height: 352px; }
.loop-manifold-right { left: 150px; top: 18px; width: 9px; height: 83px; }
.loop-branch { left: 34px; width: 125px; height: 9px; }
.loop-branch-1 { top: 18px; }.loop-branch-2 { top: 55px; }.loop-branch-3 { top: 92px; }
.anti-drop { left: 286px; top: 18px; width: 9px; height: 129px; }
.boiler-header-hot { left: 150px; top: 18px; width: 318px; height: 9px; }
.boiler-header-cold { left: 101px; top: 318px; width: 500px; height: 9px; }
.network-hot { left: 586px; top: 65px; width: 408px; height: 9px; }
.network-cold { left: 101px; top: 138px; width: 893px; height: 9px; }
.network-manifold { top: 18px; width: 9px; height: 117px; }
.network-manifold-left { left: 468px; }.network-manifold-right { left: 586px; }
.network-pump-branch { left: 468px; width: 127px; height: 9px; }
.network-pump-branch-1 { top: 18px; }.network-pump-branch-2 { top: 55px; }.network-pump-branch-3 { top: 92px; }.network-pump-branch-4 { top: 126px; }
.feed-line { left: 112px; top: 185px; width: 882px; height: 9px; }
.feed-tie { left: 585px; top: 147px; width: 9px; height: 47px; }
.feed-manifold { top: 170px; width: 9px; height: 45px; }
.feed-manifold-left { left: 716px; }.feed-manifold-right { left: 841px; }
.feed-pump-branch { left: 716px; width: 134px; height: 9px; }
.feed-pump-branch-1 { top: 170px; }.feed-pump-branch-2 { top: 206px; }
.gvs-hot { left: 34px; top: 230px; width: 960px; height: 9px; }
.gvs-cold { left: 101px; top: 279px; width: 893px; height: 9px; }
.gvs-manifold { top: 207px; width: 9px; height: 45px; }
.gvs-manifold-left { left: 204px; }.gvs-manifold-right { left: 324px; }
.gvs-pump-branch { left: 204px; width: 129px; height: 9px; }
.gvs-pump-branch-1 { top: 207px; }.gvs-pump-branch-2 { top: 243px; }
.loop-manifold-right::after, .loop-branch::after,
.network-manifold::after, .network-pump-branch::after,
.feed-manifold::after, .feed-pump-branch::after,
.gvs-manifold::after, .gvs-pump-branch::after { box-shadow: none; }
.boiler-main { left: 34px; top: 338px; width: 506px; height: 9px; }
.boiler-branch { top: 338px; width: 9px; height: 152px; }
.boiler-branch.b1 { left: 48px; }.boiler-branch.b2 { left: 210px; }.boiler-branch.b3 { left: 369px; }.boiler-branch.b4 { left: 531px; }
.boiler-return-drop { top: 318px; width: 9px; height: 172px; }
.boiler-return-drop.r1 { left: 264px; }.boiler-return-drop.r2 { left: 424px; }.boiler-return-drop.r3 { left: 592px; }

.valve { position: absolute; z-index: 12; width: 42px; height: 26px; background: rgba(45,147,67,.96); pointer-events: none; }
.valve::before, .valve::after { content: ""; position: absolute; top: 0; width: 0; height: 0; border-top: 13px solid transparent; border-bottom: 13px solid transparent; }
.valve::before { left: 0; border-left: 21px solid #050605; }
.valve::after { right: 0; border-right: 21px solid #050605; }
.valve-feed-left { left: 132px; top: 176px; }
.valve-feed-tie { left: 577px; top: 151px; width: 26px; height: 40px; transform: none; }
.valve-feed-tie::before, .valve-feed-tie::after { left: 0; right: auto; border-left: 13px solid transparent; border-right: 13px solid transparent; }
.valve-feed-tie::before { top: 0; border-top: 20px solid #050605; border-bottom: 0; }
.valve-feed-tie::after { top: auto; bottom: 0; border-top: 0; border-bottom: 20px solid #050605; }

.heat-exchanger { position: absolute; z-index: 2; width: 64px; overflow: visible; background: #c8d0cb; border: 3px solid #1d2b24; border-radius: 8px; box-shadow: 3px 4px 0 rgba(0,0,0,.25); }
.heat-exchanger > i { position: absolute; top: 3px; bottom: 3px; width: 50%; border: 0; }
.heat-exchanger .hx-hot { left: 3px; background: #e34a45; box-shadow: inset -7px 0 0 #ef7771, inset 7px 0 0 #bd2e2a; }
.heat-exchanger .hx-cold { right: 3px; background: #327ed8; box-shadow: inset 7px 0 0 #68a4ea, inset -7px 0 0 #1760b5; }
.heat-exchanger::after { content: ""; position: absolute; left: 50%; top: 2px; bottom: 2px; width: 3px; background: #dce2de; transform: translateX(-50%); }
.heat-exchanger b { position: absolute; z-index: 3; left: 50%; top: 50%; transform: translate(-50%,-50%); padding: 2px 6px; white-space: nowrap; color: #fff; background: rgba(37,55,46,.9); border: 1px solid #9eb0a6; font-size: 7px; }
.hx-network { left: 335px; top: 17px; height: 134px; }
.hx-gvs { left: 337px; top: 198px; height: 106px; }
.equipment-caption { position: absolute; z-index: 3; padding: 1px 5px; color: #e8f3ec; background: #244d35; border: 1px solid #a8c8b2; font-size: 7px; line-height: 1.2; white-space: nowrap; }
.caption-loop-pumps, .caption-network-pumps, .caption-feed-pumps, .caption-gvs-pumps { display: none; }
.pipe-caption { position: absolute; z-index: 2; right: 16px; padding: 2px 5px; color: #172019; background: rgba(224,231,225,.84); border: 1px solid #53665b; font-size: 8px; }
.caption-network-hot { top: 41px; }.caption-network-cold { top: 113px; }
.caption-feed { top: 160px; }.caption-gvs-hot { top: 210px; }.caption-gvs-cold { top: 260px; }

.sensor-layer { position: absolute; inset: 0; z-index: 4; }
.sensor-box { position: absolute; width: 134px; min-height: 40px; padding: 5px 7px; color: #111; background: #d8e0db; border: 2px solid #33483d; box-shadow: 2px 2px 0 rgba(0,0,0,.25); }
.sensor-box span { display: block; font-size: 9px; line-height: 1.05; }
.sensor-box b { display: block; margin-top: 2px; color: #0a2634; font-family: "Courier New", monospace; font-size: 20px; line-height: 1; }
.sensor-box small { font-size: 9px; margin-left: 3px; }
.sensor-supply { left: 660px; top: 8px; }.sensor-return { left: 660px; top: 76px; }
.sensor-boiler-loop { left: 8px; top: 255px; width: 143px; display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.sensor-boiler-loop div { padding-right: 3px; border-right: 1px solid #6c7d73; }
.sensor-boiler-loop div:last-child { border: 0; }
.sensor-boiler-loop b { font-size: 15px; }
.sensor-gvs { left: 914px; top: 465px; width: 94px; }

.pump-layer { position: absolute; z-index: 8; inset: 0; pointer-events: none; }
.pump-unit { position: absolute; width: 58px; height: 39px; color: #101512; text-align: center; }
.pump-unit button { position: absolute; left: 17px; top: 2px; width: 33px; height: 33px; padding: 0; pointer-events: auto; background: #e2e6e3; border: 2px solid #1b2a22; border-radius: 50%; box-shadow: 2px 2px 0 rgba(0,0,0,.34); }
.pump-unit button::after { content: ""; position: absolute; left: 50%; top: 50%; width: 6px; height: 6px; background: #18231d; border-radius: 50%; transform: translate(-50%,-50%); }
.pump-impeller { position: absolute; left: 7px; top: 6px; width: 16px; height: 17px; background: #25352d; clip-path: polygon(0 0, 100% 50%, 0 100%, 24% 50%); transform: none; transform-origin: 50% 50%; }
.pump-unit.dir-left .pump-impeller { transform: rotate(180deg); }
.pump-unit.dir-up .pump-impeller { transform: rotate(-90deg); }
.pump-unit.dir-down .pump-impeller { transform: rotate(90deg); }
.pump-unit.running button { background: #76df5d; border-color: #1f672e; box-shadow: 0 0 0 3px rgba(85,211,73,.38), 2px 2px 0 rgba(0,0,0,.34); }
.pump-unit.fault button { background: #f13b32; border-color: #7f1511; box-shadow: 0 0 0 3px rgba(241,59,50,.35); }
.pump-unit > span { position: absolute; left: -12px; top: 8px; min-width: 25px; height: 18px; display: grid; place-items: center; background: #bff3f0; border: 2px solid #172922; font-size: 10px; font-weight: 800; }
.pump-unit > small { display: none; }
.pump-unit.running > small { background: #267936; }
.pump-unit.fault > small { background: #a6221d; }
.pump-unit .mode-mini { position: absolute; right: -7px; top: 7px; width: 15px; height: 22px; display: grid; place-items: center; color: #fff; background: #333d38; border: 1px solid #d1ddd6; font-size: 7px; }
.pump-unit > em { position: absolute; left: 12px; top: -11px; padding: 1px 4px; color: #eef8f1; background: #244d35; border: 1px solid #b7ccbd; font-size: 6px; font-style: normal; line-height: 1; white-space: nowrap; }
.pump-anti > em { left: -20px; top: -19px; width: 92px; text-align: center; white-space: normal; }
.pump-recirc > em { left: -8px; top: 36px; width: 76px; text-align: center; white-space: normal; }

.boiler-layer { position: absolute; z-index: 7; left: 18px; bottom: 6px; height: 152px; display: flex; gap: 10px; }
.boiler-unit { position: relative; width: 151px; height: 151px; padding: 3px 6px 5px; background: #8fb873; border: 1px solid #1c3828; }
.boiler-unit h4 { margin: -3px -6px 3px; padding: 3px 4px 2px; color: #102014; background: #bdd6ae; border-bottom: 1px solid #496447; font-size: 12px; text-align: center; }
.boiler-body { height: 53px; position: relative; display: grid; place-items: center; color: #172019; background: #80ad5d; border: 3px solid #203328; box-shadow: inset -7px -5px 0 rgba(0,0,0,.13); font-size: 9px; }
.boiler-body::before { content: ""; width: 25px; height: 25px; border-radius: 50%; background: #24352b; border: 3px solid #b3c8b5; }
.boiler-unit.running .boiler-body::after { content: ""; position: absolute; width: 9px; height: 16px; background: #ff9f1a; border-radius: 8px 8px 3px 3px; transform: rotate(45deg); left: 70px; top: 20px; box-shadow: 0 0 10px #ffba37; }
.boiler-temp { position: absolute; top: -24px; left: 7px; min-width: 60px; padding: 1px 5px; background: #dce4df; border: 1px solid #25372e; font-family: "Courier New", monospace; font-size: 16px; }
.boiler-temp small { font-size: 8px; }
.mode-switch { width: 100%; height: 18px; margin-top: 3px; display: grid; grid-template-columns: repeat(3,1fr); padding: 0; border: 1px solid #26382f; background: #b9c0bb; font-size: 8px; }
.mode-switch span { display: grid; place-items: center; border-right: 1px solid #35483e; }
.mode-switch span:last-child { border: 0; }
.mode-switch span.on { color: #fff; background: #1e7f37; }
.boiler-status { margin-top: 2px; display: grid; grid-template-columns: 1fr 1fr; gap: 2px; font-size: 8px; text-align: center; }
.boiler-status span { padding: 2px; background: #c7cec9; border: 1px solid #53655b; }
.boiler-status .ok { color: #fff; background: #2d8438; }.boiler-status .bad { color: #fff; background: #c62d27; }
.setpoint-button { width: 100%; margin-top: 2px; padding: 2px 3px; display: flex; justify-content: space-between; color: #172019; background: #e1e7e2; border: 1px solid #42554b; font-size: 8px; }
.setpoint-button b { font-family: "Courier New", monospace; font-size: 11px; }

.queue-panel { position: absolute; z-index: 8; right: 10px; bottom: 7px; width: 349px; height: 61px; background: rgba(225,232,225,.42); border: 1px solid #294535; }
.queue-panel > span { display: block; height: 20px; padding: 3px; font-size: 9px; text-align: center; }
.queue-panel > div { display: flex; justify-content: center; gap: 5px; }
.queue-panel button { width: 45px; height: 35px; padding: 0; display: grid; place-items: center; color: #111; background: #dce3de; border: 2px solid #33483c; font-family: "Courier New", monospace; font-size: 22px; font-weight: 800; }
.queue-panel button:hover { background: #fff; }
.queue-panel button.leader { color: #fff; background: #1d7636; border-color: #0f4520; box-shadow: 0 0 0 2px #a9e1b3; }

.hmi-page-title { height: 54px; padding: 0 18px; display: flex; align-items: center; gap: 18px; color: #fff; background: #26382f; border-bottom: 3px solid #9ab0a4; }
.hmi-page-title > span { font-size: 18px; font-weight: 800; }
.hmi-page-title small { color: #c2d3c9; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }

.trm-layout { height: 496px; padding: 12px; display: grid; grid-template-columns: 270px 1fr; gap: 10px; }
.trm-operations { display: grid; grid-template-rows: 1fr 1fr 1.15fr; gap: 8px; }
.trm-operation-card { padding: 10px; color: #172019; background: #d8ded9; border: 2px solid #26372e; box-shadow: 3px 3px 0 rgba(0,0,0,.2); }
.trm-operation-card > div:first-child { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.trm-operation-card small { color: #607067; font-size: 7px; letter-spacing: .06em; }
.trm-operation-card h3 { margin: 0; font-size: 12px; }
.trm-operation-card p { margin: 7px 0 0; color: #526159; font-size: 8px; }
.operation-choice, .upp-actions { margin-top: 8px; display: flex; gap: 5px; }
.operation-choice button { width: 43px; height: 29px; padding: 0; background: #b6c0ba; border: 2px solid #485a50; font-weight: 800; }
.operation-choice button.active { color: #fff; background: #24733a; border-color: #124620; }
.operation-value { width: 100%; height: 38px; margin-top: 8px; color: #fff; background: #23302a; border: 3px inset #78877f; font-family: "Courier New", monospace; font-size: 21px; font-weight: 800; }
.upp-actions button { flex: 1; height: 39px; padding: 3px; color: #172019; background: #c7cfca; border: 2px solid #56685e; font-size: 8px; font-weight: 800; }
.upp-actions button span { display: block; margin-top: 2px; color: #fff; background: #8d2c26; font-size: 7px; }

.trm-grid { min-width: 0; display: grid; grid-template-columns: repeat(5,1fr); gap: 7px; }
.trm-card { min-width: 0; padding: 10px; display: flex; flex-direction: column; color: #172019; background: #d8ded9; border: 3px solid #26372e; box-shadow: 3px 3px 0 rgba(0,0,0,.22); }
.trm-card h3 { min-height: 30px; margin: 0 0 9px; font-size: 11px; }
.trm-display { padding: 10px 6px; color: #ff3e31; background: #181d1a; border: 3px inset #728077; font-family: "Courier New", monospace; font-size: 25px; text-align: right; }
.trm-display small { color: #f0d86e; font-size: 10px; }
.trm-card dl { margin: 11px 0; }
.trm-card dl div { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid #a4ada7; font-size: 8px; }
.trm-card dd { margin: 0; font-family: "Courier New", monospace; font-weight: 700; }
.trm-card > button { width: 100%; margin-top: auto; padding: 9px 4px; color: #fff; background: #27673b; border: 2px solid #173f24; font-size: 8px; font-weight: 800; }

.pump-subnav { height: 38px; padding: 5px 20px 0; display: flex; gap: 6px; background: #31493b; border-bottom: 2px solid #17261d; }
.pump-subnav button { min-width: 230px; height: 31px; padding: 0 13px; color: #dbe7df; background: #24342b; border: 1px solid #718379; font-size: 8px; font-weight: 800; }
.pump-subnav button.active { color: #172019; background: #dbe2dd; border-bottom-color: #dbe2dd; }
.pump-settings { height: 458px; padding: 10px 18px; display: grid; grid-template-columns: repeat(3,1fr); grid-auto-rows: 80px; gap: 8px 12px; overflow: hidden; }
.pump-settings[hidden] { display: none; }
.pump-setting { padding: 7px 9px; display: grid; grid-template-columns: 42px 1fr 100px; align-items: center; gap: 9px; background: #d7ded9; border: 2px solid #2c4035; color: #172019; }
.pump-setting .setting-pump { position: relative; width: 36px; height: 36px; border: 3px solid #26382f; border-radius: 50%; background: #e1e5e2; }
.pump-setting .setting-pump::before { content: ""; position: absolute; left: 9px; top: 5px; width: 0; height: 0; border-top: 10px solid transparent; border-bottom: 10px solid transparent; border-left: 17px solid #2d3a33; transform: none; }
.pump-setting.running .setting-pump { background: #67cc55; border-color: #287d35; box-shadow: 0 0 0 3px rgba(75,190,75,.25); }
.pump-setting strong { display: block; font-size: 10px; }
.pump-setting small { color: #647169; font-size: 8px; }
.pump-mode-control { display: grid; grid-template-columns: repeat(3,1fr); border: 1px solid #45584d; }
.pump-mode-control button { height: 27px; padding: 0; border: 0; border-right: 1px solid #45584d; background: #aab4ae; font-size: 7px; }
.pump-mode-control button:last-child { border: 0; }
.pump-mode-control button.active { color: #fff; background: #26723a; }

.pump-statistics { height: 458px; padding: 10px 14px; color: #172019; }
.pump-statistics[hidden] { display: none; }
.pump-group-config { height: 118px; display: grid; grid-template-columns: repeat(3,1fr); gap: 9px; }
.pump-group-config article { padding: 8px 10px; background: #dce2de; border: 2px solid #263a30; }
.pump-group-config h3 { margin: 0 0 7px; font-size: 12px; }
.config-row { min-height: 33px; display: grid; grid-template-columns: 103px 1fr; align-items: center; gap: 8px; border-top: 1px solid #a0aaa4; }
.config-row span { font-size: 8px; }
.config-row > div { display: flex; gap: 3px; }
.config-row button { min-width: 28px; height: 23px; padding: 0 5px; background: #b4beb8; border: 1px solid #4a5c52; font-size: 8px; font-weight: 800; }
.config-row button.active { color: #fff; background: #26723a; border-color: #163f22; }
.hours-layout { height: 320px; margin-top: 9px; display: grid; grid-template-columns: 2fr 1fr; gap: 9px; }
.hours-panel { padding: 9px 11px; background: #dce2de; border: 2px solid #263a30; overflow: hidden; }
.hours-panel h3 { margin: 0 0 8px; font-size: 13px; }
.hours-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 5px 8px; }
.hours-grid > div, .boiler-hours-panel > div { min-height: 43px; padding: 5px 6px; display: flex; flex-direction: column; justify-content: center; background: #c8d1cb; border: 1px solid #738178; }
.hours-panel span { overflow: hidden; font-size: 7px; white-space: nowrap; text-overflow: ellipsis; }
.hours-panel b { margin-top: 3px; padding: 3px 5px; color: #18221d; background: #eaff00; border: 1px solid #222; font-family: "Courier New", monospace; font-size: 10px; }
.boiler-hours-panel > div { margin-bottom: 7px; flex-direction: row; align-items: center; justify-content: space-between; }
.boiler-hours-panel > div b { min-width: 90px; text-align: right; }

.safety-layout { height: 496px; padding: 17px 20px; display: grid; grid-template-columns: 1fr 250px; gap: 20px; }
.safety-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; align-content: start; }
.safety-item { min-height: 65px; padding: 8px 10px 8px 43px; position: relative; background: #dae1dc; border: 2px solid #2e4237; color: #172019; }
.safety-item i { position: absolute; left: 12px; top: 18px; width: 18px; height: 18px; border-radius: 50%; background: #59c047; border: 3px solid #2d7738; box-shadow: 0 0 7px #74d962; }
.safety-item.fault i { background: #ef3029; border-color: #941b17; box-shadow: 0 0 8px #ef3029; }
.safety-item strong { display: block; font-size: 10px; line-height: 1.2; }
.safety-item span { font-size: 8px; color: #526058; }
.safety-summary { display: flex; flex-direction: column; align-items: stretch; gap: 10px; }
.safety-ring { width: 190px; height: 190px; margin: 6px auto 15px; display: grid; place-items: center; align-content: center; border-radius: 50%; background: #d6ded8; border: 15px solid #318540; box-shadow: 5px 6px 0 rgba(0,0,0,.2); color: #142019; text-align: center; }
.safety-ring.fault { border-color: #c32a24; }
.safety-ring span { font-family: "Courier New", monospace; font-size: 55px; line-height: .9; }
.safety-ring small { font-size: 9px; text-transform: uppercase; }
.safety-summary button { height: 46px; color: #fff; background: #923029; border: 3px solid #5f1712; font-size: 9px; font-weight: 800; }
.safety-summary button + button { background: #276d38; border-color: #194725; }

.alarm-title button { margin-left: auto; height: 34px; color: #fff; background: #9b302a; border: 2px solid #691d18; font-size: 9px; font-weight: 800; }
.alarm-table { margin: 13px 18px; color: #172019; background: #d8ded9; border: 2px solid #273a30; }
.alarm-row { min-height: 43px; display: grid; grid-template-columns: 110px 1fr 165px 120px; align-items: center; border-bottom: 1px solid #829087; }
.alarm-row span { padding: 7px 11px; font-size: 9px; }
.alarm-head { min-height: 34px; color: #fff; background: #293b32; font-weight: 800; }
.alarm-row.active-alarm { background: #efb8b3; }
.alarm-row.active-alarm span:last-child { color: #a51f18; font-weight: 800; }
.alarm-row.ack-alarm { background: #e2d8b4; }
.alarm-row.history-alarm { color: #58655e; }

.hmi-setpoint { position: absolute; z-index: 50; left: 330px; top: 95px; width: 365px; padding: 16px; color: #172019; background: #dce3de; border: 5px solid #23372d; box-shadow: 12px 14px 0 rgba(0,0,0,.3); }
.hmi-setpoint[hidden] { display: none; }
.hmi-setpoint > div:first-child { display: flex; justify-content: space-between; align-items: center; font-weight: 800; }
.hmi-setpoint > div:first-child button { width: 28px; height: 28px; color: #fff; background: #8e2c26; border: 0; font-size: 18px; }
.hmi-setpoint output { margin: 17px 0 8px; padding: 8px; display: block; color: #ff543f; background: #151c18; border: 3px inset #66746c; font-family: "Courier New", monospace; font-size: 42px; text-align: right; }
.hmi-setpoint input { width: 100%; }
.setpoint-actions { margin-top: 11px; display: grid; grid-template-columns: repeat(4,1fr); gap: 5px; }
.setpoint-actions button { height: 37px; background: #aeb8b2; border: 2px solid #56665d; font-weight: 800; }
.setpoint-save { width: 100%; height: 43px; margin-top: 10px; color: #fff; background: #276f39; border: 3px solid #174825; font-weight: 800; }
.hmi-toast { position: absolute; z-index: 60; left: 50%; bottom: -50px; transform: translateX(-50%); min-width: 300px; padding: 10px 18px; color: #fff; background: #1c2922; border: 2px solid #8cb299; text-align: center; font-size: 10px; opacity: 0; transition: bottom .2s, opacity .2s; }
.hmi-toast.show { bottom: 14px; opacity: 1; }

@media (max-width: 1100px) {
  .site-nav { display: none; }
  .header-demo { margin-left: auto; }
  .hero-content { width: 80vw; }
  .hero-facts { right: 25px; bottom: 70px; }
  .hero-facts div { min-width: 130px; }
  .intro-copy, .section-heading { grid-template-columns: 1fr; gap: 24px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .feature-wide { grid-column: span 2; }
  .system-map { grid-template-columns: 1fr 70px 210px 70px 1fr; }
  .signal-groups { grid-template-columns: 1fr 1fr; }
  .demo-promo { grid-template-columns: 1fr; }
  .hmi-teaser { max-width: 760px; width: 100%; }
}

@media (max-width: 760px) {
  .site-header { min-height: 70px; padding-inline: 18px; }
  .brand { font-size: 12px; }
  .brand-mark { width: 31px; }
  .header-demo { padding-inline: 12px; }
  .hero { min-height: 820px; height: auto; }
  .hero::after { width: 100%; }
  .hero-content { width: 100%; padding: 118px 22px 270px; }
  .hero h1 { font-size: clamp(48px, 15vw, 72px); }
  .hero-lead { font-size: 16px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-facts { left: 22px; right: 22px; bottom: 72px; }
  .hero-facts div { min-width: 0; flex: 1; padding: 16px 10px; }
  .hero-facts strong { font-size: 31px; }
  .hero-facts span { font-size: 8px; }
  .scroll-cue { display: none; }
  .section { padding: 76px 21px; }
  .section h2, .demo-promo h2 { font-size: 45px; }
  .intro-copy > p, .section-heading > p { font-size: 15px; }
  .feature-grid { grid-template-columns: 1fr; margin-top: 48px; }
  .feature-wide { grid-column: auto; }
  .feature-card { min-height: 295px; padding: 28px; }
  .system-map { min-height: 930px; display: flex; flex-direction: column; gap: 20px; align-items: stretch; }
  .map-column { width: 100%; }
  .bus-line { width: 2px; height: 52px; margin: 0 auto; }
  .bus-line span { width: 150px; left: 13px; top: 17px; text-align: left; }
  .controller-node { width: min(260px,100%); margin: 0 auto; }
  .ethernet-line { display: none; }
  .hmi-node { position: static; transform: none; width: 100%; }
  .io-totals { grid-template-columns: 1fr 1fr; }
  .io-totals > div { min-height: 190px; padding: 22px; }
  .io-totals strong { font-size: 44px; }
  .signal-groups { grid-template-columns: 1fr; }
  .demo-promo { padding: 76px 21px; }
  .site-footer { grid-template-columns: 1fr; text-align: center; }
  .site-footer .brand { justify-self: center; }
  .site-footer > a { justify-self: center; }
  .dialog-toolbar > div:first-child span:last-child { display: none; }
  #resetDemo { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}