/* 34 Otomasyon: corporate engineering. Kimlik v1.0: Inter, graphite #19232A, red #D62129 as accent. */
:root {
  --ink: #19232A;
  --ink-2: #2B3740;
  --text: #19232A;
  --muted: #55616A;
  --line: #D5DADE;
  --mist: #F2F4F5;
  --paper: #FFFFFF;
  --red: #D62129;
  --red-dark: #B51A21;
  --on-ink: #FFFFFF;
  --on-ink-muted: #B9C2C8;
  --wrap: 1240px;
  --gut: max(20px, env(safe-area-inset-left, 0px));
  --gut-r: max(20px, env(safe-area-inset-right, 0px));
  --sec: clamp(72px, 9vw, 128px);
  --fs-1: clamp(40px, 5.2vw, 68px);
  --fs-2: clamp(30px, 3.4vw, 44px);
  --fs-3: clamp(21px, 1.8vw, 25px);
  --fs-lead: clamp(18px, 1.5vw, 21px);
  --fs-body: 17px;
  --fs-small: 15px;
  --ease: cubic-bezier(.16, 1, .3, 1);
  color-scheme: light;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0; background: var(--paper); color: var(--text);
  font-family: Inter, "Helvetica Neue", Arial, sans-serif; font-size: var(--fs-body); line-height: 1.6;
  font-feature-settings: "cv11", "ss01"; -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a, button, input, select, textarea { touch-action: manipulation; -webkit-tap-highlight-color: rgba(214,33,41,.15); }
a { color: inherit; text-underline-offset: 3px; text-decoration-thickness: 1px; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
h1, h2, h3 { font-weight: 700; letter-spacing: -0.025em; line-height: 1.12; text-wrap: balance; }
h1 { font-size: var(--fs-1); font-weight: 800; letter-spacing: -0.035em; line-height: 1.04; }
h2 { font-size: var(--fs-2); }
h3 { font-size: var(--fs-3); letter-spacing: -0.015em; line-height: 1.25; }
p { text-wrap: pretty; }
::selection { background: var(--red); color: #fff; }
:focus-visible { outline: 3px solid var(--red); outline-offset: 3px; }
.num { font-variant-numeric: tabular-nums; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 50; background: var(--ink); color: #fff; padding: 10px 16px; }
.skip:focus { top: 12px; }

.wrap { width: 100%; max-width: calc(var(--wrap) + 80px); margin: 0 auto; padding-left: max(var(--gut), 40px); padding-right: max(var(--gut-r), 40px); }
.sec { padding-block: var(--sec); }
.sec--mist { background: var(--mist); }
.sec--ink { background: var(--ink); color: var(--on-ink); }
.lead { font-size: var(--fs-lead); line-height: 1.55; color: var(--muted); max-width: 62ch; }
.sec--ink .lead { color: var(--on-ink-muted); }
.muted { color: var(--muted); }
.small { font-size: var(--fs-small); }
.sec__head { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 24px 64px; align-items: end; margin-bottom: clamp(40px, 5vw, 64px); }
.sec__head .lead { justify-self: start; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px; min-height: 52px; padding: 0 26px;
  font: 600 16px/1 Inter, Arial, sans-serif; text-decoration: none; border: 2px solid transparent; cursor: pointer;
  background: var(--red); color: #fff; transition: background-color .2s, color .2s, border-color .2s;
}
.btn:hover { background: var(--red-dark); }
.btn svg { width: 18px; height: 18px; flex: none; transition: transform .3s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn--ghost { background: transparent; border-color: rgba(255,255,255,.7); color: #fff; }
.btn--ghost:hover { background: #fff; color: var(--ink); }
.btn--ink { background: var(--ink); }
.btn--ink:hover { background: var(--ink-2); }
.btn--line { background: transparent; border-color: var(--ink); color: var(--ink); }
.btn--line:hover { background: var(--ink); color: #fff; }
.more { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--red); text-decoration: none; }
.more svg { width: 18px; height: 18px; transition: transform .3s var(--ease); }
.more:hover svg { transform: translateX(4px); }
.sec--ink .more { color: #fff; }

/* header */
.hd { position: sticky; top: 0; z-index: 30; background: rgba(255,255,255,.97); border-bottom: 1px solid var(--line); }
.hd__in { display: flex; align-items: center; gap: 32px; height: 84px; }
.hd__logo img { height: 60px; width: auto; }
.hd__nav { display: flex; gap: 30px; margin-left: auto; }
.hd__nav a { font-weight: 600; font-size: 16px; text-decoration: none; padding: 8px 0; border-bottom: 2px solid transparent; }
.hd__nav a:hover, .hd__nav a[aria-current] { border-color: var(--red); }
.hd__right { display: flex; align-items: center; gap: 22px; }
.hd__lang { font-weight: 600; font-size: 15px; text-decoration: none; color: var(--muted); }
.hd__lang:hover { color: var(--ink); }
.hd__tel { font-weight: 700; text-decoration: none; white-space: nowrap; }
.hd__menu { display: none; width: 48px; height: 48px; border: 1px solid var(--line); background: #fff; color: var(--ink); cursor: pointer; }
.hd__menu svg { width: 24px; height: 24px; margin: auto; }
.drawer { display: none; }

/* hero */
.hero { position: relative; color: #fff; background: #141C22; overflow: hidden; }
.hero__in { position: relative; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 24px 40px; align-items: center; min-height: min(84vh, 820px); padding-block: 72px 150px; }
.hero h1 { font-size: clamp(40px, 4.6vw, 62px); max-width: 15ch; }
.hero__lead { margin-top: 28px; max-width: 46ch; font-size: var(--fs-lead); color: #D9E0E4; }
.hero__acts { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 40px; }
.hero__stage { position: relative; height: min(66vh, 620px); min-height: 380px; }
.hero__stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: pan-y; }
.hero__fallback { position: absolute; inset: 8% 0 12%; width: 100%; height: 80%; object-fit: cover; transition: opacity .8s var(--ease); }
.hero__stage.is-live .hero__fallback { opacity: 0; }
.hero__chips { position: absolute; inset: 0; pointer-events: none; }
.chip { position: absolute; left: 0; top: 0; opacity: 0; transition: opacity .6s var(--ease); will-change: transform; }
.chip span {
  display: block; position: relative; transform: translate(18px, -50%); white-space: nowrap;
  padding: 7px 11px 7px 10px; background: rgba(255,255,255,.96); color: var(--ink); font-size: 13px; line-height: 1.3;
  border-left: 3px solid var(--red);
}
.chip span::after { content: ""; position: absolute; left: -18px; top: 50%; width: 18px; height: 1px; background: rgba(255,255,255,.85); }
.chip::before { content: ""; position: absolute; left: -4px; top: -4px; width: 8px; height: 8px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 3px rgba(214,33,41,.3); }
.chip--chiller span, .chip--bms span { transform: translate(calc(-100% - 18px), -50%); border-left: 0; border-right: 3px solid var(--red); text-align: right; }
.chip--chiller span::after, .chip--bms span::after { left: auto; right: -18px; }
.chip b { display: block; font-weight: 700; }
.chip i { font-style: normal; font-weight: 600; font-variant-numeric: tabular-nums; color: var(--red); }
.hero__stage.is-open .chip { opacity: 1; }
.hero__stage.is-open .chip--chiller { transition-delay: .1s; } .hero__stage.is-open .chip--lights { transition-delay: .2s; }
.hero__stage.is-open .chip--pumps { transition-delay: .3s; } .hero__stage.is-open .chip--jetfan { transition-delay: .4s; } .hero__stage.is-open .chip--bms { transition-delay: .5s; }
.hero__note { position: absolute; right: 0; bottom: 0; font-size: 12px; color: #8E9BA4; }
.hero__stage:not(.is-live) .hero__note { display: none; }
.facts { position: relative; z-index: 2; margin-top: -84px; }
.facts__bar { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); background: #fff; box-shadow: 0 18px 40px -18px rgba(17,25,31,.35); }
.facts__bar div { padding: 30px 32px; border-left: 1px solid var(--line); }
.facts__bar div:first-child { border-left: 0; }
.facts__bar b { display: block; font-size: clamp(30px, 3vw, 40px); font-weight: 800; letter-spacing: -0.03em; line-height: 1; color: var(--ink); }
.facts__bar b em { font-style: normal; color: var(--red); }
.facts__bar span { display: block; margin-top: 10px; font-size: var(--fs-small); color: var(--muted); line-height: 1.45; }

/* page banner */
.pb { position: relative; color: #fff; background: var(--ink); overflow: hidden; }
.pb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.pb__shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(17, 25, 31, .93) 0%, rgba(17, 25, 31, .8) 50%, rgba(17, 25, 31, .5) 100%); }
.pb__in { position: relative; padding-block: clamp(96px, 11vw, 150px) clamp(64px, 7vw, 96px); }
.pb__crumb { display: flex; gap: 8px; font-size: var(--fs-small); color: var(--on-ink-muted); margin-bottom: 20px; }
.pb__crumb a { color: #fff; text-decoration: none; }
.pb__crumb a:hover { text-decoration: underline; }
.pb h1 { font-size: clamp(38px, 4.6vw, 60px); max-width: 18ch; }
.pb p { margin-top: 22px; max-width: 60ch; font-size: var(--fs-lead); color: #E3E8EB; }
.pb .btn { margin-top: 32px; }

/* services overview (home) */

/* split (text + photo) */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(40px, 6vw, 96px); align-items: center; }
.split__photo { position: relative; }
.split__photo img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.split__photo figcaption { margin-top: 12px; font-size: 14px; color: var(--muted); }
.split h2 { margin-bottom: 24px; }
.checks { margin-top: 36px; display: grid; gap: 22px; }
.checks li { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 16px; }
.checks svg { width: 28px; height: 28px; color: var(--red); margin-top: 1px; }
.checks b { display: block; font-size: 18px; margin-bottom: 4px; }
.checks p { color: var(--muted); }
.split .btn { margin-top: 40px; }

/* featured project */
.feat { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); background: var(--ink); color: #fff; }
.feat__photo { position: relative; min-height: 520px; }
.feat__photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.feat__body { padding: clamp(40px, 5vw, 72px); display: flex; flex-direction: column; }
.feat__body h2 { margin-bottom: 20px; }
.feat__body > p { color: var(--on-ink-muted); }
.feat__dl { margin-top: 36px; border-top: 1px solid rgba(255,255,255,.18); }
.feat__dl div { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 16px; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.feat__dl dt { color: var(--on-ink-muted); font-size: var(--fs-small); }
.feat__dl dd { font-weight: 600; }
.feat__thumb { margin-top: 36px; display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 18px; align-items: center; }
.feat__thumb img { width: 120px; height: 120px; object-fit: cover; }
.feat__thumb p { font-size: var(--fs-small); color: var(--on-ink-muted); }

/* BMS */
.bms { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 4vw, 64px); align-items: start; }
.bms h2 { margin-bottom: 20px; }
.bms__tabs { margin-top: 32px; display: grid; border-top: 1px solid var(--line); }
.bms__tabs button {
  display: flex; justify-content: space-between; align-items: center; gap: 12px; width: 100%; padding: 15px 4px; text-align: left;
  font: 600 16px/1.3 Inter, Arial, sans-serif; color: var(--muted); background: none; border: 0; border-bottom: 1px solid var(--line); cursor: pointer;
}
.bms__tabs button::after { content: ""; width: 10px; height: 10px; border-top: 2px solid currentColor; border-right: 2px solid currentColor; transform: rotate(45deg); opacity: 0; }
.bms__tabs button:hover { color: var(--ink); }
.bms__tabs button[aria-selected="true"] { color: var(--ink); }
.bms__tabs button[aria-selected="true"]::after { opacity: 1; color: var(--red); }
.bms__view { background: #fff; padding: 14px; }
.bms__view img { width: 100%; height: auto; background: #0E1418; }
.bms__cap { margin-top: 12px; font-size: 14px; color: var(--muted); }

/* process */
.steps { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0; counter-reset: s; }
.steps li { position: relative; padding: 0 22px 0 0; counter-increment: s; }
.steps li::before {
  content: counter(s); display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 24px;
  font-weight: 700; font-size: 18px; color: #fff; background: var(--ink); position: relative; z-index: 1;
}
.steps li:last-child::before { background: var(--red); }
.steps li::after { content: ""; position: absolute; top: 24px; left: 48px; right: 0; height: 2px; background: var(--line); }
.steps li:last-child::after { display: none; }
.steps h3 { font-size: 18px; margin-bottom: 8px; }
.steps p { color: var(--muted); font-size: var(--fs-small); }

/* calculator */
.calc { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 0; border: 1px solid var(--line); background: #fff; }
.calc__in { padding: clamp(28px, 3vw, 44px); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 32px; align-content: start; }
.calc__item { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.calc__item label { font-weight: 600; font-size: 16px; line-height: 1.3; }
.calc__item small { display: block; font-weight: 400; color: var(--muted); font-size: 14px; margin-top: 2px; }
.step { display: flex; align-items: center; border: 1px solid var(--line); flex: none; }
.step button { width: 40px; height: 44px; border: 0; background: var(--mist); font: 600 20px/1 Inter, Arial, sans-serif; color: var(--ink); cursor: pointer; }
.step button:hover { background: var(--line); }
.step input { width: 52px; height: 44px; border: 0; text-align: center; font: 600 17px Inter, Arial, sans-serif; color: var(--ink); -moz-appearance: textfield; }
.step input::-webkit-outer-spin-button, .step input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.calc__out { background: var(--ink); color: #fff; padding: clamp(28px, 3vw, 44px); display: flex; flex-direction: column; }
.calc__out .small { color: var(--on-ink-muted); }
.calc__total { font-size: clamp(64px, 6vw, 88px); font-weight: 800; letter-spacing: -0.04em; line-height: 1; margin: 0 0 28px; }
.calc__total small { display: inline-block; }
.calc__total small { font-size: 20px; font-weight: 600; letter-spacing: 0; margin-left: 10px; color: var(--on-ink-muted); }
.calc__split { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid rgba(255,255,255,.18); border-bottom: 1px solid rgba(255,255,255,.18); }
.calc__split div { padding: 16px 0; text-align: center; border-left: 1px solid rgba(255,255,255,.18); }
.calc__split div:first-child { border-left: 0; }
.calc__split b { display: block; font-size: 26px; font-weight: 700; }
.calc__split span { font-size: 14px; color: var(--on-ink-muted); }
.calc__spare { margin: 20px 0 28px; color: var(--on-ink-muted); }
.calc__spare b { color: #fff; }
.calc__acts { display: grid; gap: 10px; margin-top: auto; }
.calc__acts .btn { justify-content: space-between; }
.calc__note { margin-top: 18px; font-size: 14px; color: var(--muted); }

/* references */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.filters button {
  min-height: 42px; padding: 0 16px; font: 600 15px Inter, Arial, sans-serif; color: var(--ink);
  background: #fff; border: 1px solid var(--line); cursor: pointer; transition: background-color .2s, color .2s, border-color .2s;
}
.filters button span { color: var(--muted); margin-left: 4px; font-weight: 500; }
.filters button:hover { border-color: var(--ink); }
.filters button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.filters button[aria-pressed="true"] span { color: var(--on-ink-muted); }
.rgrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 40px; border-top: 1px solid var(--line); }
.rgrid li { padding: 18px 0; border-bottom: 1px solid var(--line); }
.rgrid b { display: block; font-weight: 600; line-height: 1.35; }
.rgrid span { display: block; margin-top: 4px; font-size: 14px; color: var(--muted); }
.rtable { overflow-x: auto; border-top: 2px solid var(--ink); }
.rtable table { width: 100%; border-collapse: collapse; min-width: 760px; }
.rtable th { text-align: left; font-size: 14px; font-weight: 600; color: var(--muted); padding: 14px 16px 14px 0; border-bottom: 1px solid var(--line); }
.rtable td { padding: 16px 16px 16px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.rtable td:first-child { font-weight: 600; }
.rtable tr:hover td { background: var(--mist); }

/* brands */
.brands { display: grid; grid-template-columns: minmax(0, 3fr) repeat(4, minmax(0, 2fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.brands > * { padding: 28px 24px 28px 0; }
.brands > div + div { padding-left: 24px; border-left: 1px solid var(--line); }
.brands h2 { font-size: 22px; }
.brands b { display: block; font-size: 20px; letter-spacing: -0.01em; }
.brands span { display: block; margin-top: 4px; font-size: 14px; color: var(--muted); }

/* why (about) */
.why { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 40px; }
.why div { border-top: 3px solid var(--ink); padding-top: 22px; }
.why div:last-child { border-color: var(--red); }
.why h3 { font-size: 20px; margin-bottom: 10px; }
.why p { color: var(--muted); }

/* services page rows */
.srow { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 80px); align-items: center; padding-block: clamp(48px, 6vw, 80px); border-top: 1px solid var(--line); }
.srow:first-of-type { border-top: 0; padding-top: 0; }
.srow--flip .srow__img { order: 2; }
.srow__img img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.srow h3 { font-size: clamp(26px, 2.4vw, 32px); margin-bottom: 14px; }
.srow .srow__short { font-size: 19px; font-weight: 600; margin-bottom: 14px; }
.srow p { color: var(--muted); }
.srow ul { margin: 22px 0 28px; display: grid; gap: 10px; }
.srow li { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 10px; }
.srow li svg { width: 20px; height: 20px; color: var(--red); margin-top: 3px; }
.srow__ex { font-size: var(--fs-small); padding: 14px 16px; background: var(--mist); margin-bottom: 28px; }
.srow--text { grid-template-columns: minmax(0, 1fr); }
.srow--text > div { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0 clamp(32px, 5vw, 80px); }
.grouph { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 24px 64px; align-items: end; margin-bottom: 48px; padding-bottom: 32px; border-bottom: 3px solid var(--ink); }
.grouph--red { border-color: var(--red); }

/* CTA band */
.band { background: var(--red); color: #fff; }
.band__in { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 32px; align-items: center; padding-block: clamp(48px, 6vw, 72px); }
.band p { margin-top: 10px; font-size: var(--fs-lead); color: #fff; max-width: 52ch; }
.band__acts { display: flex; flex-wrap: wrap; gap: 12px; }
.band .btn { background: #fff; color: var(--ink); }
.band .btn:hover { background: var(--ink); color: #fff; }
.band .btn--ghost { background: transparent; color: #fff; }
.band .btn--ghost:hover { background: #fff; color: var(--ink); }

/* quote */
.quote { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(40px, 6vw, 96px); align-items: start; }
.quote h2 { margin-bottom: 20px; }
.contact { margin-top: 40px; border-top: 1px solid var(--line); }
.contact a, .contact address { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); text-decoration: none; font-style: normal; }
.contact svg { width: 22px; height: 22px; color: var(--red); margin-top: 2px; }
.contact b { display: block; font-weight: 700; }
.contact span { display: block; font-size: 14px; color: var(--muted); }
.contact a:hover b { color: var(--red); }
.contact address a { display: inline; padding: 0; border: 0; color: var(--red); text-decoration: underline; }
.form { background: #fff; padding: clamp(28px, 3.5vw, 48px); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 20px; border-top: 4px solid var(--red); }
.form h3 { grid-column: 1 / -1; font-size: 22px; }
.field { display: grid; gap: 8px; }
.field--wide, .consent, .form .btn, .form__note { grid-column: 1 / -1; }
.field label { font-weight: 600; font-size: 15px; }
.field input, .field select, .field textarea {
  width: 100%; min-height: 50px; padding: 12px 14px; font: 400 16px/1.4 Inter, Arial, sans-serif; color: var(--ink);
  background: var(--mist); border: 1px solid var(--line); border-radius: 0; transition: border-color .2s, background-color .2s;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: #A9B2B8; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--ink); background: #fff; }
.field input:user-invalid { border-color: var(--red); }
.consent { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 12px; font-size: 15px; color: var(--muted); }
.field__err { grid-column: 1 / -1; font-size: 14px; color: var(--red); font-weight: 600; }
.field [aria-invalid="true"] { border-color: var(--red); background: #fff; }
.consent input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--red); }
.form .btn { justify-self: start; }
.form__note { font-size: 14px; color: var(--muted); }
.form__note a { color: var(--ink); }

/* prose */
.prose { max-width: 72ch; }
.prose h2 { font-size: 24px; margin: 40px 0 12px; }
.prose p, .prose li { color: #33404A; }
.prose ul { list-style: disc; padding-left: 22px; margin-top: 8px; }
.prose .note { padding: 14px 18px; background: var(--mist); border-top: 3px solid var(--red); margin-bottom: 28px; color: var(--ink); }

/* footer */
.ft { background: var(--ink); color: var(--on-ink-muted); padding-top: clamp(56px, 7vw, 88px); }
.ft__top { display: grid; grid-template-columns: minmax(0, 4fr) repeat(3, minmax(0, 2fr)); gap: 40px; padding-bottom: 56px; }
.ft__logo { width: 210px; height: auto; margin-bottom: 24px; }
.ft p { font-size: var(--fs-small); max-width: 38ch; }
.ft h2 { font-size: 15px; font-weight: 600; color: #fff; letter-spacing: 0; margin-bottom: 18px; }
.ft ul { display: grid; gap: 12px; font-size: var(--fs-small); }
.ft a { text-decoration: none; color: var(--on-ink-muted); }
.ft a:hover { color: #fff; text-decoration: underline; }
.ft__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-block: 24px; border-top: 1px solid rgba(255,255,255,.14); font-size: 14px; }

/* mobile contact bar */
.mbar { display: none; }

/* motion: content visible by default; JS adds .js and reveals */
.js [data-rise] { opacity: 0; transform: translateY(24px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: var(--d, 0ms); }
.js [data-rise].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js [data-rise] { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* responsive */
@media (max-width: 1180px) {
  .hd__nav { gap: 22px; }
  .hd__tel { display: none; }
  .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 40px; }
  .steps li:nth-child(3)::after { display: none; }
  .brands { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .brands > div:first-child { grid-column: 1 / -1; }
  .brands > div + div { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); }
  .ft__top { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ft__top > div:first-child { grid-column: 1 / -1; }
}
@media (max-width: 960px) {
  .wrap { padding-left: max(var(--gut), 24px); padding-right: max(var(--gut-r), 24px); }
  .hd__in { height: 72px; gap: 16px; }
  .hd__logo img { height: 42px; }
  .hd__nav, .hd__lang { display: none; }
  .hd__right { margin-left: auto; }
  .hd__menu { display: grid; }
  .drawer { display: none; position: sticky; top: 72px; z-index: 29; background: #fff; border-bottom: 1px solid var(--line); }
  .drawer.is-open { display: block; }
  .drawer a { display: block; padding: 16px max(var(--gut), 24px); font-weight: 600; text-decoration: none; border-top: 1px solid var(--line); }
  .drawer a.is-red { color: var(--red); }
  .sec__head, .grouph, .split, .bms, .quote, .feat, .calc, .hero__in { grid-template-columns: minmax(0, 1fr); }
  .hero__in { min-height: 0; padding-block: 64px 140px; }
  .feat__photo { min-height: 360px; }
  .facts__bar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .facts__bar div:nth-child(3) { border-left: 0; }
  .facts__bar div:nth-child(n+3) { border-top: 1px solid var(--line); }
    .rgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .why { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .srow, .srow--text > div { grid-template-columns: minmax(0, 1fr); }
  .srow--flip .srow__img { order: 0; }
  .split__photo img { aspect-ratio: 3 / 2; }
  .band__in { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  :root { --fs-body: 16px; }
  .hd__right .btn { display: none; }
  .hero__in { padding-block: 48px 120px; }
  .hero__stage { height: 400px; min-height: 0; }
  .chip--pumps, .chip--lights, .chip--bms { display: none; }
  .chip span { font-size: 12px; padding: 5px 8px; }
  .hero__acts .btn { flex: 1 1 100%; justify-content: center; }
  .facts { margin-top: -72px; }
  .facts__bar div { padding: 20px 18px; }
  .calc__in { grid-template-columns: minmax(0, 1fr); }
      .rgrid { grid-template-columns: minmax(0, 1fr); }
  .why { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .steps { grid-template-columns: minmax(0, 1fr); row-gap: 0; }
  .steps li { display: grid; grid-template-columns: 48px minmax(0, 1fr); column-gap: 20px; padding: 0 0 28px; }
  .steps li::before { grid-row: span 2; margin: 0; }
  .steps li::after { top: 48px; left: 23px; right: auto; bottom: 0; width: 2px; height: auto; display: block; }
  .steps li:last-child::after, .steps li:nth-child(3)::after { display: block; }
  .steps li:last-child::after { display: none; }
  .brands { grid-template-columns: minmax(0, 1fr); }
  .form { grid-template-columns: minmax(0, 1fr); }
  .form .btn { justify-self: stretch; justify-content: center; }
  .feat__dl div { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .ft__top { grid-template-columns: minmax(0, 1fr); }
  .band__acts .btn { flex: 1 1 100%; justify-content: center; }
  body { padding-bottom: 64px; }
  .mbar { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
    padding-bottom: env(safe-area-inset-bottom, 0px); background: var(--ink); transition: transform .3s var(--ease); }
  .mbar.is-hidden { transform: translateY(110%); }
  .mbar a { display: grid; place-items: center; min-height: 58px; color: #fff; font-weight: 600; text-decoration: none; border-left: 1px solid rgba(255,255,255,.14); }
  .mbar a.is-red { background: var(--red); }
}

/* v4: automation systems, panel strip, reference overview */
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.sec__head--stack { grid-template-columns: minmax(0, 1fr); gap: 20px; }
.sec__head--stack h2 { max-width: 22ch; }
.sys { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 40px; counter-reset: sys; }
.sys__item { border-top: 3px solid var(--ink); }
.sys__item a { display: flex; flex-direction: column; height: 100%; padding: 26px 0 40px; text-decoration: none; color: inherit; }
.sys__no { font-size: 15px; font-weight: 700; color: var(--red); letter-spacing: .04em; }
.sys__item h3 { font-size: clamp(22px, 1.9vw, 27px); margin: 14px 0 10px; transition: color .25s var(--ease); }
.sys__item a:hover h3 { color: var(--red); }
.sys__say { font-size: 17px; font-weight: 600; margin-bottom: 16px; }
.sys__scope { display: grid; gap: 7px; margin-bottom: 22px; }
.sys__scope li { position: relative; padding-left: 18px; color: var(--muted); font-size: var(--fs-small); line-height: 1.45; }
.sys__scope li::before { content: ""; position: absolute; left: 0; top: .62em; width: 8px; height: 2px; background: var(--red); }
.sys__ex { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line); font-size: 14px; font-weight: 600; }
.sys__ex span { display: block; font-weight: 400; color: var(--muted); margin-bottom: 2px; }
.pstrip { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: 24px 64px; margin-top: 24px; padding: 36px 40px; background: var(--mist); border-left: 4px solid var(--red); }
.pstrip h3 { font-size: 22px; margin-bottom: 8px; }
.pstrip p { color: var(--muted); font-size: var(--fs-small); }
.pstrip__list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 28px; align-content: center; }
.pstrip__list a { display: block; padding: 11px 0; border-bottom: 1px solid var(--line); font-weight: 600; text-decoration: none; }
.pstrip__list a:hover { color: var(--red); }
.rstats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 3px solid var(--ink); border-bottom: 1px solid var(--line); }
.rstats div { padding: 28px 28px 30px 0; }
.rstats div + div { padding-left: 28px; border-left: 1px solid var(--line); }
.rstats b { display: block; font-size: clamp(44px, 4.6vw, 64px); font-weight: 800; line-height: 1; letter-spacing: -.02em; }
.rstats span { display: block; margin-top: 10px; color: var(--muted); }
.dist { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 40px 80px; margin-top: clamp(48px, 6vw, 72px); }
.dist h3 { font-size: 22px; margin-bottom: 20px; }
.bars li { display: grid; grid-template-columns: 170px minmax(0, 1fr) 32px; gap: 16px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--line); }
.bars i { display: block; height: 10px; width: var(--w); background: var(--ink); }
.bars li:first-child i { background: var(--red); }
.bars b { text-align: right; }
.clist li { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.clist span { color: var(--muted); }
.hl { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.hl li { display: flex; flex-direction: column; padding: 28px 28px 30px; background: #fff; border-top: 3px solid var(--ink); }
.hl__sec { font-size: 14px; font-weight: 600; color: var(--red); }
.hl h3 { font-size: 21px; line-height: 1.3; margin: 10px 0 6px; }
.hl__where { color: var(--muted); font-size: var(--fs-small); margin-bottom: 22px; }
.hl__scope { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line); font-weight: 600; font-size: var(--fs-small); }
.hl__scope span { display: block; font-weight: 400; color: var(--muted); font-size: 14px; }
@media (max-width: 960px) {
  .sys, .hl { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pstrip, .dist { grid-template-columns: minmax(0, 1fr); }
  .rstats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rstats div:nth-child(3) { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .rstats div:nth-child(4) { border-top: 1px solid var(--line); }
}
@media (max-width: 640px) {
  .sys, .hl { grid-template-columns: minmax(0, 1fr); }
  .sys__item a { padding-bottom: 32px; }
  .pstrip { padding: 28px 20px; }
  .pstrip__list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 20px; }
  .bars li { grid-template-columns: 120px minmax(0, 1fr) 28px; gap: 12px; font-size: 15px; }
  .rstats div, .rstats div + div { padding: 22px 16px 22px 0; }
  .rstats div:nth-child(2n) { padding-left: 16px; }
}

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }