/* Shared colours and typography; supplied logos stay unchanged. */
:root { --ink:#20272a; --graphite:#15191b; --paper:#f7f6f2; --muted:#596468; --line:#d9ddd8; --accent:#b85a36; --accent-light:#e5ac77; --radius:6px; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:100px; }
body { margin:0; color:var(--ink); background:var(--paper); font-family:"Segoe UI","Helvetica Neue",Arial,sans-serif; font-size:16px; line-height:1.65; -webkit-font-smoothing:antialiased; }
button { font:inherit; cursor:pointer; }
a { color:inherit; text-decoration:none; }
img,svg { display:block; max-width:100%; }
figure,p,h1,h2,h3 { margin:0; }
button[hidden] { display:none; }
.container { width:min(1240px,calc(100% - 96px)); margin-inline:auto; }
.section { padding:104px 0; }
.dark { background:var(--graphite); color:var(--paper); }
h1,h2,h3 { font-weight:600; letter-spacing:-.045em; line-height:1.1; }
h2 { font-size:clamp(2.15rem,3.6vw,3.4rem); }
h3 { font-size:1.65rem; letter-spacing:-.03em; }
p { max-width:65ch; }
.eyebrow { display:flex; align-items:center; gap:12px; font-size:.75rem; font-weight:600; letter-spacing:.13em; text-transform:uppercase; color:var(--muted); margin-bottom:26px; }
.dark .eyebrow { color:#bec6c8; }
.accent-rule { width:26px; height:2px; background:var(--accent-light); flex:0 0 26px; }
.button { display:inline-flex; align-items:center; justify-content:center; min-height:50px; padding:13px 23px; border:1px solid transparent; border-radius:3px; font-size:.875rem; font-weight:600; line-height:1.4; transition:background .2s,border-color .2s,transform .2s; }
.button:hover { transform:translateY(-2px); }
.button-dark { color:white; background:var(--ink); }
.button-dark:hover { background:#384247; }
.button-accent { color:#172023; background:var(--accent-light); }
.button-accent:hover { background:#f2bd89; }
.button-outline { border-color:#5b6265; color:var(--paper); background:transparent; }
.button-outline:hover { border-color:#b1b8b8; background:#252c2f; }
.button-row { display:flex; gap:12px; flex-wrap:wrap; }
:focus-visible { outline:3px solid var(--accent); outline-offset:5px; }
.dark :focus-visible { outline-color:var(--accent-light); }
.skip-link { position:fixed; left:24px; top:-100px; padding:12px 20px; background:white; z-index:100; }
.skip-link:focus { top:12px; }

/* Sticky header and progressive mobile navigation. */
.site-header { position:sticky; top:0; z-index:30; background:rgba(247,246,242,.98); border-bottom:1px solid #e4e5de; }
.header-inner { display:flex; align-items:center; justify-content:space-between; min-height:100px; gap:28px; transition:min-height .25s; }
.site-header.is-scrolled .header-inner { min-height:80px; }
.brand { display:inline-flex; align-items:center; gap:13px; flex-shrink:0; }
.brand img { width:74px; height:60px; object-fit:contain; mix-blend-mode:multiply; }
.wordmark { display:flex; flex-direction:column; line-height:1; }
.wordmark strong { font-size:1.9rem; font-weight:750; letter-spacing:-.06em; }
.wordmark > span { font-size:.625rem; font-weight:600; letter-spacing:.12em; margin-top:8px; }
.site-nav { display:flex; align-items:center; gap:25px; }
.site-nav > a { font-size:.875rem; transition:color .2s; }
.site-nav > a:hover { color:var(--accent); }
.site-nav .button { min-height:44px; padding:12px 18px; }
.menu-toggle { display:none; align-items:center; gap:9px; padding:10px; border:0; background:transparent; min-height:44px; }
.menu-bars { width:18px; height:12px; border-block:1.5px solid currentColor; position:relative; }
.menu-bars::after { content:""; position:absolute; top:4px; left:0; width:18px; height:1.5px; background:currentColor; }

/* Hero and the functional system diagram. */
.hero { overflow:hidden; }
.hero-grid { display:grid; grid-template-columns:1.12fr 1fr; gap:60px; align-items:center; padding-block:88px 76px; min-height:min(690px,82svh); }
.hero-copy .eyebrow { font-size:.6875rem; letter-spacing:.1em; }
h1 { font-size:clamp(3rem,5.15vw,4.9rem); letter-spacing:-.055em; line-height:1.04; }
h1 span { color:var(--accent-light); }
.hero-lead { font-size:1.17rem; margin-top:30px; color:#e3e7e7; }
.hero-description { color:#aeb8bb; max-width:45ch; margin-top:17px; margin-bottom:33px; }
.hero-visual { border:1px solid #3c4548; border-radius:var(--radius); background:#192023; padding:22px 22px 18px; }
.technical-heading { display:flex; justify-content:space-between; align-items:center; gap:16px; color:#d4dbdc; font-size:.75rem; padding-bottom:16px; border-bottom:1px solid #3a4447; }
.technical-code { color:#a2b0b3; font-family:Consolas,monospace; font-size:.75rem; }
.system-schematic { width:100%; margin-block:12px; }
.hero-visual figcaption { display:flex; justify-content:space-between; gap:18px; align-items:center; border-top:1px solid #3a4447; padding-top:14px; color:#bac3c5; font-size:.75rem; }
.diagram-caption-label { color:#95a1a4; white-space:nowrap; }
.hero-bottom { display:grid; grid-template-columns:repeat(4,1fr); border-top:1px solid #3a4245; padding-block:23px; color:#c3cbcc; font-size:.8125rem; }
.hero-bottom span + span { border-left:1px solid #3a4245; text-align:center; }
.hero-bottom span:last-child { text-align:right; }

/* Connections brighten once when visible. No content is hidden for animation. */
.intro-grid { display:grid; grid-template-columns:1.25fr 1fr; gap:100px; align-items:end; }
.intro-text { color:var(--muted); font-size:1.0625rem; max-width:43ch; }
.integration-diagram { display:grid; grid-template-columns:1fr 230px 1fr; gap:104px; align-items:center; margin:56px 0 32px; padding-inline:48px; }
.system-group { display:flex; flex-direction:column; gap:19px; position:relative; }
.system-group:first-child::after,.system-group:last-child::before { content:""; position:absolute; width:56px; top:29px; bottom:29px; border-top:1px solid var(--line); border-bottom:1px solid var(--line); transition:border-color 1s; }
.system-group:first-child::after { left:100%; border-right:1px solid var(--line); }
.system-group:last-child::before { right:100%; border-left:1px solid var(--line); }
.system-node { position:relative; display:flex; align-items:center; gap:16px; padding:16px 20px; background:#edeee8; border:1px solid #e0e3da; border-radius:3px; font-size:.875rem; min-height:60px; }
.node-code { font:.75rem Consolas,monospace; color:var(--accent); }
.system-group:first-child .system-node:nth-child(2)::after,.system-group:last-child .system-node:nth-child(2)::before { content:""; position:absolute; width:106px; height:1px; background:var(--line); top:50%; transition:background 1s .25s; }
.system-group:first-child .system-node:nth-child(2)::after { left:100%; }
.system-group:last-child .system-node:nth-child(2)::before { right:100%; }
.controller { background:var(--ink); color:var(--paper); display:flex; flex-direction:column; align-items:center; justify-content:center; padding:39px 18px; border-radius:var(--radius); position:relative; z-index:1; border:1px solid #485052; }
.controller-overline { color:var(--accent-light); font-size:.75rem; letter-spacing:.14em; }
.controller strong { font-size:2.7rem; font-weight:600; letter-spacing:-.04em; margin:4px 0; line-height:1.3; }
.controller > span:last-child { font-size:.8125rem; color:#c0cbcc; }
.integration-diagram.is-visible .system-group::before,.integration-diagram.is-visible .system-group::after { border-color:var(--accent); }
.integration-diagram.is-visible .system-node::before,.integration-diagram.is-visible .system-node::after { background:var(--accent); }
.integration-foot { display:flex; justify-content:center; gap:64px; font-size:.8125rem; color:var(--muted); border-top:1px solid var(--line); padding-top:30px; }

/* Original manufacturer artwork, with prominent industry/platform features. */
.controller-explainer { display:grid; grid-template-columns:1fr 1fr; gap:60px; margin-top:56px; padding-top:40px; border-top:1px solid var(--line); }
.controller-explainer .eyebrow { margin-bottom:18px; }
.controller-explainer h3 { font-size:1.5rem; line-height:1.25; }
.controller-explainer p:not(.eyebrow) { margin-top:18px; color:var(--muted); font-size:.9375rem; }
.building-outcomes { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:24px; padding:28px 0 0; margin:36px 0 0; list-style:none; border-top:1px solid var(--line); }
.building-outcomes strong { display:block; font-size:.9375rem; font-weight:600; margin-bottom:9px; }
.building-outcomes span { display:block; font-size:.8125rem; color:var(--muted); }
.manufacturers { background:#eeefe9; border-top:1px solid var(--line); }
.featured-affiliations { display:grid; grid-template-columns:repeat(auto-fit,minmax(min(100%,460px),1fr)); gap:20px; margin-bottom:48px; }
.featured-logo { display:grid; grid-template-columns:1fr 1fr; align-items:center; gap:32px; padding:32px; background:white; border:1px solid #dce0d8; border-top:3px solid var(--accent); border-radius:var(--radius); min-width:0; }
.featured-logo-art { display:flex; align-items:center; justify-content:center; height:155px; }
.featured-logo img { width:100%; height:100%; max-width:300px; object-fit:contain; }
.featured-logo figcaption span { display:block; color:var(--muted); font-size:.75rem; letter-spacing:.08em; text-transform:uppercase; margin-bottom:12px; }
.featured-logo figcaption strong { display:block; font-size:1.375rem; font-weight:600; line-height:1.3; letter-spacing:-.025em; }
.featured-logo figcaption p { font-size:.8125rem; color:var(--muted); margin-top:12px; }
.manufacturer-independence { max-width:82ch; color:var(--muted); margin-block:-12px 32px; font-size:.9375rem; }
.logo-group-title { font-size:.875rem; font-weight:600; letter-spacing:0; margin-bottom:18px; }
.manufacturer-grid { display:grid; grid-template-columns:repeat(6,minmax(0,1fr)); gap:12px; list-style:none; padding:0; margin:0; }
.manufacturer-grid li { display:flex; align-items:center; justify-content:center; padding:22px; min-width:0; height:130px; background:white; border:1px solid #dce0d8; border-radius:3px; }
.manufacturer-grid img { width:100%; height:100%; object-fit:contain; }
.protocol-title { margin-top:36px; }
.manufacturer-foot { display:flex; align-items:center; justify-content:space-between; gap:32px; margin-top:32px; padding-top:24px; border-top:1px solid var(--line); }
.manufacturer-foot p { color:var(--muted); font-size:.875rem; }
.manufacturer-foot .button { flex-shrink:0; }

/* Four services, with integration highlighted. */
.services { background:#eeefe9; }
.section-heading { display:flex; align-items:end; justify-content:space-between; gap:48px; margin-bottom:48px; }
.section-heading > p { color:var(--muted); font-size:.9375rem; padding-bottom:4px; }
.service-grid { display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.service-card { padding:34px 36px 28px; background:var(--paper); border:1px solid #dce0d8; border-radius:var(--radius); }
.card-top { display:flex; align-items:center; justify-content:space-between; margin-bottom:42px; font:.875rem Consolas,monospace; color:var(--muted); }
.card-category { font-size:.75rem; }
.service-card h3 { margin-bottom:19px; }
.service-card p { color:var(--muted); max-width:47ch; font-size:.9375rem; }
.card-foot { display:block; border-top:1px solid var(--line); padding-top:21px; margin-top:30px; font-size:.8125rem; }
.service-featured { background:var(--ink); color:var(--paper); border-color:var(--ink); }
.service-featured .card-top { color:var(--accent-light); }
.service-featured p { color:#c2cbcd; }
.service-featured .card-foot { color:var(--accent-light); border-color:#495254; }

/* Estate capability and schematic coverage. */
/* Six delivery stages and bureau detail adapted from Antler's Services page. */
.delivery-process { margin-top:56px; padding-top:40px; border-top:1px solid #cdd3c8; }
.delivery-process .section-heading { margin-bottom:30px; }
.delivery-process .eyebrow { margin-bottom:18px; }
.delivery-process h3 { font-size:1.75rem; line-height:1.2; }
.delivery-steps { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:32px 40px; list-style:none; margin:0; padding:0; }
.delivery-steps li { display:flex; gap:18px; border-top:1px solid #cdd3c8; padding-top:24px; }
.step-number { color:var(--accent); font:1.25rem Consolas,monospace; line-height:1.5; flex-shrink:0; }
.delivery-steps h4,.bureau-service h4,.values-grid h4 { font-size:1rem; font-weight:600; line-height:1.4; margin:0 0 12px; }
.delivery-steps p { color:var(--muted); font-size:.875rem; }
.bureau-service { display:grid; grid-template-columns:1fr 1fr; gap:60px; margin-top:48px; padding:40px; border-radius:var(--radius); }
.bureau-service .eyebrow { color:var(--accent-light); margin-bottom:20px; }
.bureau-service h3 { font-size:1.6rem; line-height:1.25; }
.bureau-service p { margin-top:20px; color:#c2cbcd; font-size:.875rem; }
.bureau-service ul { margin:20px 0; padding-left:20px; font-size:.875rem; color:#e0e5e4; }
.bureau-service li { padding-left:4px; margin-block:9px; }
.bureau-service li::marker { color:var(--accent-light); }

.coverage-grid { display:grid; grid-template-columns:.95fr 1fr; gap:115px; align-items:center; }
.estate-visual { padding:0 20px; }
.estate-map { height:520px; width:100%; object-fit:contain; }
.estate-visual figcaption { font-size:.75rem; color:#aeb8bb; border-top:1px solid #3a4447; padding-top:16px; }
.coverage-copy > p:not(.eyebrow) { margin-top:27px; font-size:1.0625rem; }
.coverage-copy .muted { color:#adb9bd; font-size:.9375rem !important; }
.coverage-facts { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:42px; padding-top:28px; border-top:1px solid #40494c; }
.coverage-facts div { display:flex; flex-direction:column; gap:9px; }
.coverage-facts strong { font-size:1.45rem; font-weight:550; letter-spacing:-.025em; color:var(--accent-light); }
.coverage-facts span { font-size:.75rem; color:#b7c1c3; }

/* Actual Antler panel photographs; no site identifiers are visible. */
.philosophy-grid { display:grid; grid-template-columns:1fr 1fr; gap:100px; align-items:center; }
.installation-photos { background:#e2e5df; border:1px solid #d5dad2; border-radius:var(--radius); overflow:hidden; padding:16px; }
.installation-gallery { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:18px 14px; }
.installation-gallery > div { min-width:0; }
.installation-gallery img { width:100%; height:auto; aspect-ratio:4 / 7; object-fit:cover; object-position:center top; border-radius:3px; }
.installation-gallery .installation-site { grid-column:1 / -1; }
.installation-gallery .installation-site img { aspect-ratio:2000 / 924; object-fit:contain; }
.installation-gallery span { display:block; font:.6875rem Consolas,monospace; letter-spacing:.04em; text-transform:uppercase; color:#47544d; padding-top:12px; }
.installation-photos figcaption { margin-top:18px; padding-top:16px; border-top:1px solid #bdc7bd; color:#47544d; font-size:.75rem; }
.philosophy-copy h2 { font-size:clamp(2.2rem,3.7vw,3.5rem); }
.philosophy-copy > p:not(.eyebrow) { color:var(--muted); margin-top:24px; max-width:42ch; }
.philosophy-principle { border-left:2px solid var(--accent); padding:5px 0 5px 22px; margin-top:37px; }
.philosophy-principle span { display:block; font-size:.75rem; font-weight:600; letter-spacing:.1em; color:var(--accent); margin-bottom:10px; }
.philosophy-principle strong { font-size:1.15rem; line-height:1.5; font-weight:600; }
/* A personal letter: the owner's wording is kept intact in the HTML. */
/* Company story, mission and values adapted from Antler's About Us page. */
.company-story { margin-top:64px; padding-top:48px; border-top:1px solid var(--line); }
.story-grid { display:grid; grid-template-columns:1.25fr 1fr; gap:80px; align-items:start; }
.story-grid .eyebrow { margin-bottom:20px; }
.story-grid h3 { font-size:1.8rem; line-height:1.2; }
.story-grid p:not(.eyebrow) { color:var(--muted); font-size:.9375rem; margin-top:20px; }
.mission-statement { background:#eeefe9; border-left:3px solid var(--accent); padding:32px; }
.company-values { margin-top:48px; }
.company-values > h3 { font-size:1.4rem; margin-bottom:26px; }
.values-grid { display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:24px; list-style:none; padding:0; margin:0; }
.values-grid li { border-top:1px solid var(--line); padding-top:20px; }
.value-number { display:block; font:.8125rem Consolas,monospace; color:var(--accent); margin-bottom:20px; }
.values-grid p { font-size:.8125rem; color:var(--muted); }

.owner-message { border-block:1px solid #3a4447; }
.owner-message-grid { display:grid; grid-template-columns:1fr 2fr; gap:80px; align-items:center; }
.owner-message-art { aspect-ratio:1; border-radius:50%; background:white; padding:36px; display:flex; align-items:center; justify-content:center; }
.owner-message-art img { width:100%; height:auto; }
.owner-letter { max-width:68ch; }
.owner-letter h2 { font-size:clamp(1.5rem,2.4vw,2rem); line-height:1.25; letter-spacing:-.025em; }
.owner-letter h3 { font-size:1.25rem; letter-spacing:-.015em; line-height:1.4; margin-block:18px 22px; }
.owner-letter > p { color:#d5dcdc; }
.owner-letter > p + p { margin-top:24px; }
.owner-objectives { margin:22px 0 26px; padding:0; list-style:none; }
.owner-objectives li { position:relative; padding-left:30px; margin-block:8px; font-weight:600; }
.owner-objectives li::before { content:""; position:absolute; left:4px; top:.55em; width:7px; height:13px; border:solid var(--accent-light); border-width:0 2px 2px 0; transform:rotate(45deg); }
.owner-letter .owner-invitation { color:var(--paper); font-weight:600; }
.owner-invitation a { text-decoration:underline; text-underline-offset:4px; text-decoration-color:var(--accent-light); }
.owner-invitation a:hover { color:var(--accent-light); }
.owner-letter .owner-signoff { margin-top:32px; padding-top:25px; border-top:1px solid #3a4447; font-style:italic; }
.owner-signoff strong { display:inline-block; margin-top:8px; font-size:1.2rem; font-weight:600; }
.industries { padding-top:0; }
.industry-grid { display:grid; grid-template-columns:repeat(4,1fr); padding:0; margin:0; list-style:none; border-top:1px solid var(--line); border-left:1px solid var(--line); }
.industry-grid li { display:flex; align-items:center; gap:16px; padding:24px 20px; border-right:1px solid var(--line); border-bottom:1px solid var(--line); font-size:.9375rem; }
.industry-grid span { font:.75rem Consolas,monospace; color:#68746d; }

/* Two anonymised dashboards using transcribed historical operating figures. */
.performance { background:#e8eae3; }
.historical-intro { margin:-18px 0 34px; color:var(--muted); font-size:.875rem; max-width:none; }
.case-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px; align-items:stretch; }
.case-dashboard { padding:32px; background:#fcfcf8; border:1px solid #cdd3cb; border-radius:var(--radius); min-width:0; display:flex; flex-direction:column; font-variant-numeric:tabular-nums; }
.case-heading { display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:10px; margin-bottom:28px; }
.case-code { font:.6875rem Consolas,monospace; letter-spacing:.06em; }
.record-badge { font-size:.6875rem; padding:3px 8px; background:#e8ece5; color:#47564b; border-radius:3px; }
.case-dashboard h3 { font-size:1.6rem; line-height:1.2; }
.case-period { font-size:.8125rem; color:var(--muted); margin-top:9px; }
.cost-dashboard { background:var(--ink); color:var(--paper); border-color:var(--ink); }
.cost-dashboard .case-code { color:var(--accent-light); }
.cost-dashboard .record-badge { background:#354043; color:#d2dbda; }
.cost-dashboard .case-period { color:#b7c2c3; }
.case-kpi { margin-top:32px; }
.case-kpi > span,.energy-saved-total > span,.carbon-summary > span { font-size:.8125rem; }
.case-kpi > strong { display:block; font-size:clamp(2.5rem,3.5vw,3.7rem); line-height:1.2; letter-spacing:-.05em; color:var(--accent-light); margin:9px 0 12px; }
.case-kpi > p { font-size:.875rem; color:#bdc8c8; max-width:43ch; }
.case-kpi b { color:var(--accent-light); font-weight:600; }
.energy-saved-total { margin-top:25px; padding-top:24px; border-top:1px solid #495254; }
.energy-saved-total > span { color:#bdc8c8; }
.energy-saved-total > strong { display:block; font-size:1.7rem; font-weight:550; line-height:1.4; margin-top:5px; letter-spacing:-.025em; }
.energy-saved-total small,.carbon-summary small { font-size:.875rem; font-weight:400; letter-spacing:0; }
.cost-comparison { margin-top:28px; }
.cost-comparison figcaption { font-size:.8125rem; font-weight:600; margin-bottom:17px; }
.cost-bar-row + .cost-bar-row { margin-top:18px; }
.cost-bar-row > div:first-child { display:flex; justify-content:space-between; align-items:baseline; flex-wrap:wrap; gap:5px 12px; margin-bottom:9px; font-size:.75rem; color:#bdc8c8; }
.cost-bar-row strong { font-weight:500; color:var(--paper); }
.cost-track { height:10px; background:#3d494c; border-radius:2px; overflow:hidden; }
.cost-track span { display:block; height:100%; }
.baseline-bar { background:#8b999c; }
.actual-bar { background:var(--accent-light); }
.carbon-summary { margin-top:28px; padding:20px; background:#2d373a; border-left:2px solid #96ac97; }
.carbon-summary > strong { display:block; font-size:1.5rem; font-weight:550; line-height:1.4; margin-top:4px; }
.carbon-summary p { margin-top:7px; color:#bdc8c8; font-size:.75rem; }
.projection-summary { display:flex; align-items:center; justify-content:space-between; gap:16px; padding:24px 0; margin-top:26px; border-block:1px solid #495254; }
.projection-summary div > span { display:block; color:#bdc8c8; font-size:.75rem; max-width:31ch; }
.projection-summary strong { display:block; font-size:1.6rem; font-weight:550; margin-top:5px; letter-spacing:-.025em; }
.projection-badge { color:var(--accent-light); border:1px solid #6f675b; padding:4px 8px; font-size:.6875rem; border-radius:3px; white-space:nowrap; }
.case-note { padding-top:22px; margin-top:auto; font-size:.75rem; color:var(--muted); line-height:1.6; }
.cost-dashboard .case-note { color:#bdc8c8; }
.ahu-list { margin-top:32px; }
.ahu-row { padding:22px 0; border-top:1px solid var(--line); }
.ahu-row-heading { display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:8px 16px; }
.ahu-row h4 { margin:0; font:.8125rem Consolas,monospace; }
.ahu-row-heading > span { display:flex; align-items:baseline; gap:10px; font-size:.75rem; color:var(--muted); }
.ahu-row-heading strong { font-size:1.5rem; font-weight:600; color:var(--accent); letter-spacing:-.035em; }
.ahu-track { height:8px; background:#e2e6de; border-radius:2px; overflow:hidden; margin-top:13px; }
.ahu-track span { display:block; height:100%; background:var(--accent); }
.ahu-row dl { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin:18px 0 0; }
.ahu-row dt,.runtime-summary dt { color:var(--muted); font-size:.75rem; }
.ahu-row dd { margin:4px 0 0; font-size:1.125rem; line-height:1.4; font-weight:550; letter-spacing:-.015em; }
.ahu-row small { font-size:.75rem; font-weight:400; }
.runtime-summary { padding:23px; background:#edf0e8; border:1px solid #d9e0d5; border-radius:3px; margin-top:6px; }
.runtime-summary > span { font-size:.8125rem; color:#526151; }
.runtime-summary > strong { display:block; font-size:2rem; font-weight:550; letter-spacing:-.035em; margin-top:4px; }
.runtime-summary small { font-size:.875rem; font-weight:400; }
.runtime-summary dl { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin:17px 0 0; padding-top:16px; border-top:1px solid #d4dccf; }
.runtime-summary dd { margin:4px 0 0; font-size:.9375rem; font-weight:550; }

/* Contact details and project discussion panel. */
.final-cta { padding:90px 0; }
.cta-grid { display:flex; justify-content:space-between; align-items:center; gap:48px; }
.cta-grid h2 { font-size:clamp(2.6rem,4.5vw,4.1rem); }
.cta-grid p { margin-top:26px; color:#b9c3c6; }
.cta-grid .button { min-width:205px; }
.site-footer { border-top:1px solid #3a4245; padding:58px 0 25px; }
.footer-grid { display:grid; grid-template-columns:1.7fr .8fr 1.2fr; gap:70px; }
.footer-brand img { mix-blend-mode:normal; width:56px; height:56px; background:white; border-radius:3px; }
.footer-grid p { font-size:.8125rem; color:#afbabc; margin-top:24px; }
.footer-grid h3 { font-size:.875rem; letter-spacing:0; margin-bottom:19px; }
.footer-grid > div > a:not(.brand) { display:block; width:fit-content; font-size:.875rem; color:#b8c2c4; margin-top:9px; }
.footer-grid > div > a:not(.brand):hover { color:var(--accent-light); }
.contact-details { margin:0; font-size:.8125rem; }
.contact-details div { margin-top:12px; }
.contact-details dt { color:#c9d0d2; }
.contact-details dd { margin:2px 0 0; font-size:.75rem; color:#aeb8bb; }
.contact-details a { font-size:.875rem; overflow-wrap:anywhere; }
.contact-details a:hover { color:var(--accent-light); }
address { font-style:normal; }
.footer-bottom { border-top:1px solid #3a4245; margin-top:52px; padding-top:22px; display:flex; justify-content:space-between; gap:24px; color:#aeb8bb; font-size:.75rem; }
dialog { width:min(520px,calc(100% - 32px)); max-height:calc(100svh - 40px); padding:0; border:1px solid var(--line); border-radius:var(--radius); background:var(--paper); color:var(--ink); }
dialog::backdrop { background:#101719b3; }
.dialog-content { padding:42px; }
.dialog-content h2 { font-size:2.35rem; }
.dialog-content > p:not(.eyebrow) { margin-top:24px; color:var(--muted); }
.dialog-content .dialog-note { font-size:.875rem; }
.dialog-contact { display:flex; flex-direction:column; gap:12px; margin:24px 0; }
.dialog-contact a { width:fit-content; text-decoration:underline; text-underline-offset:4px; overflow-wrap:anywhere; }
.dialog-contact a[href^="mailto:"] { font-size:.875rem; }
.dialog-contact .contact-phone { font-size:1.5rem; font-weight:600; letter-spacing:-.025em; text-decoration:none; }
.dialog-contact a:hover { color:var(--accent); }
.dialog-content address { color:var(--muted); font-size:.875rem; }
.dialog-content form { margin-top:28px; }
body.dialog-open { overflow:hidden; }

/* Tablet and mobile; content also stays accessible with JavaScript disabled. */
/* Static policy pages share the homepage typography and need no JavaScript. */
.legal-links { display:flex; flex-wrap:wrap; gap:12px 22px; }
.legal-links a { text-decoration:underline; text-underline-offset:4px; }
.legal-links a:hover { color:var(--accent-light); }
.company-disclosure { margin-top:32px; color:#b8c2c4; font-size:.75rem; line-height:1.7; }
.company-details { margin-block:20px; }
.company-details dt { font-weight:600; margin-top:14px; }
.company-details dd { margin:4px 0 0; }
.contact-privacy { font-size:.8125rem; }
.contact-privacy a { text-decoration:underline; text-underline-offset:3px; }
.legal-header .header-inner { flex-wrap:nowrap; }
.legal-header .button { flex-shrink:0; }
.legal-main { padding:64px 0 88px; }
.legal-main h1 { font-size:clamp(2.25rem,5vw,3.6rem); }
.legal-intro { margin-top:24px; color:var(--muted); max-width:74ch; }
.policy-date { font-size:.8125rem; color:var(--muted); margin-top:18px; }
.policy-review { padding:20px 24px; background:#eeefe9; border-left:3px solid var(--accent); margin-block:32px 44px; font-size:.875rem; }
.policy-review strong { display:block; margin-bottom:6px; }
.legal-layout { display:grid; grid-template-columns:220px minmax(0,1fr); gap:64px; align-items:start; }
.legal-toc { position:sticky; top:130px; border-top:1px solid var(--line); padding-top:20px; }
.legal-toc strong { display:block; font-size:.875rem; margin-bottom:14px; }
.legal-toc a { display:block; font-size:.8125rem; color:var(--muted); padding-block:7px; }
.legal-toc a:hover { color:var(--accent); }
.legal-copy { max-width:76ch; min-width:0; }
.legal-copy section + section { margin-top:36px; padding-top:30px; border-top:1px solid var(--line); }
.legal-copy h2 { font-size:1.45rem; letter-spacing:-.025em; line-height:1.3; margin-bottom:18px; }
.legal-copy h3 { font-size:1.0625rem; line-height:1.4; letter-spacing:0; margin-block:24px 12px; }
.legal-copy p + p { margin-top:16px; }
.legal-copy p { max-width:none; }
.legal-copy a { text-decoration:underline; text-underline-offset:3px; overflow-wrap:anywhere; }
.legal-copy ul { padding-left:22px; margin-block:16px; }
.legal-copy li { margin-block:8px; }
.legal-copy address { margin-top:18px; }
.privacy-objection { padding:20px 24px; background:#eeefe9; border-left:3px solid var(--accent); margin-top:22px; }
.legal-table-wrap { overflow-x:auto; }
.legal-table { border-collapse:collapse; width:100%; font-size:.875rem; margin-block:20px; }
.legal-table th,.legal-table td { text-align:left; vertical-align:top; padding:14px 16px; border:1px solid var(--line); }
.legal-table th { background:#eeefe9; font-weight:600; }
.legal-table td:first-child { width:32%; }
.legal-draft-detail { padding:16px 20px; border:1px dashed #9a735b; margin-top:18px; font-size:.875rem; }
.policy-footer { padding-top:36px; }
.policy-footer p { color:#bec6c8; font-size:.875rem; }
.policy-footer .footer-bottom { margin-top:28px; }
@media (max-width:900px) { .legal-layout { grid-template-columns:180px minmax(0,1fr); gap:36px; } }
@media (max-width:650px) {
  .legal-main { padding:40px 0 60px; }
  .legal-header .button { min-height:40px; padding:10px 12px; font-size:.75rem; }
  .legal-header .wordmark > span { max-width:105px; line-height:1.4; }
  .legal-layout { grid-template-columns:1fr; gap:32px; }
  .legal-toc { position:static; }
  .policy-review { padding:18px; margin-block:26px 32px; }
  .legal-table th,.legal-table td { padding:12px; }
  .legal-table { font-size:.8125rem; }
}

@media (min-width:1600px) { .hero-grid { min-height:720px; } }
@media (max-width:1150px) {
  .container { width:calc(100% - 64px); } .site-nav { gap:18px; } .brand { gap:9px; } .brand img { width:58px; height:50px; }
  .hero-grid { gap:36px; padding-block:70px 66px; } h1 { font-size:4.2rem; } .hero-copy .eyebrow { max-width:29ch; }
  .hero-visual { padding:18px 14px; } .hero-visual figcaption { display:block; } .diagram-caption-label { display:block; margin-top:4px; }
  .intro-grid,.philosophy-grid { gap:60px; } .integration-diagram { padding-inline:0; grid-template-columns:1fr 210px 1fr; gap:74px; }
  .system-group:first-child::after,.system-group:last-child::before { width:38px; } .system-group .system-node:nth-child(2)::after,.system-group .system-node:nth-child(2)::before { width:76px; }
  .coverage-grid { gap:65px; } .industry-grid li { padding:24px 16px; gap:10px; font-size:.875rem; }
  .case-dashboard { padding:26px; }
}
@media (max-width:1000px) {
  .header-inner { min-height:86px; flex-wrap:wrap; padding-block:15px; } .site-header.is-scrolled .header-inner { min-height:74px; }
  .site-nav { width:100%; justify-content:space-between; flex-wrap:wrap; padding-top:14px; border-top:1px solid var(--line); }
  .js-ready .menu-toggle { display:flex; } .js-ready .site-nav { display:none; } .js-ready .site-nav.is-open { display:flex; }
}
@media (max-width:900px) {
  .controller-explainer,.story-grid,.bureau-service { gap:32px; }
  .building-outcomes,.values-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .delivery-steps { grid-template-columns:repeat(2,minmax(0,1fr)); gap:28px; }
  .bureau-service { padding:28px; }
  .owner-message-grid { grid-template-columns:1fr; gap:32px; }
  .owner-message-art { width:180px; padding:22px; }
  .manufacturer-grid { grid-template-columns:repeat(3,minmax(0,1fr)); }
  .section { padding:76px 0; } .hero-grid { grid-template-columns:1fr; min-height:0; gap:46px; padding-block:66px 46px; }
  h1 { font-size:clamp(3.2rem,7.7vw,4.6rem); } .hero-copy .eyebrow { max-width:none; } .hero-description { max-width:58ch; }
  .hero-visual { width:min(600px,100%); padding:22px; } .system-schematic { max-height:310px; } .hero-visual figcaption { display:flex; } .diagram-caption-label { margin:0; }
  .intro-grid { gap:36px; } .integration-diagram { grid-template-columns:1fr 180px 1fr; gap:36px; }
  .system-node { padding:13px 12px; gap:10px; font-size:.75rem; } .system-group:first-child::after,.system-group:last-child::before { width:18px; }
  .system-group .system-node:nth-child(2)::after,.system-group .system-node:nth-child(2)::before { width:38px; }
  .controller { padding:34px 12px; } .controller > span:last-child { font-size:.75rem; } .integration-foot { gap:28px; }
  .section-heading { align-items:start; flex-direction:column; gap:24px; } .service-card { padding:28px; } .service-card h3 { font-size:1.45rem; }
  .coverage-grid { grid-template-columns:.8fr 1fr; gap:36px; } .estate-visual { padding:0; } .coverage-facts { gap:14px; } .coverage-facts strong { font-size:1.125rem; }
  .philosophy-grid { gap:42px; } .industry-grid { grid-template-columns:repeat(2,1fr); } .industries { padding-top:0; }
  .case-grid { grid-template-columns:1fr; }
  .case-dashboard { padding:30px; }
  .footer-grid { gap:32px; } .footer-bottom { flex-direction:column; gap:8px; }
}
@media (max-width:650px) {
  .controller-explainer,.story-grid,.bureau-service { grid-template-columns:1fr; }
  .controller-explainer { margin-top:36px; padding-top:30px; }
  .building-outcomes { gap:24px 20px; }
  .delivery-process { margin-top:40px; padding-top:30px; }
  .delivery-steps { grid-template-columns:1fr; gap:20px; }
  .delivery-steps li { padding-top:20px; }
  .bureau-service { padding:26px 22px; margin-top:36px; }
  .company-story { margin-top:40px; padding-top:36px; }
  .mission-statement { padding:26px 22px; }
  .values-grid { grid-template-columns:1fr; gap:20px; }
  .value-number { margin-bottom:12px; }
  .featured-affiliations { margin-bottom:32px; }
  .featured-logo { padding:24px; gap:20px; }
  .featured-logo-art { height:120px; }
  .featured-logo figcaption strong { font-size:1.125rem; }
  .manufacturer-grid { grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px; }
  .manufacturer-grid li { height:112px; padding:20px; }
  .manufacturer-foot { flex-direction:column; align-items:start; gap:20px; }
  .container { width:calc(100% - 40px); } .section { padding:60px 0; } .header-inner { gap:15px; padding-block:14px; min-height:76px; }
  .brand img { width:48px; height:42px; } .brand { gap:10px; } .wordmark strong { font-size:1.5rem; } .wordmark > span { font-size:.55rem; margin-top:6px; }
  .site-nav.is-open { display:grid; grid-template-columns:1fr 1fr; gap:4px 16px; } .site-nav > a { padding:10px 0; font-size:1rem; } .site-nav .button { grid-column:1 / -1; margin-top:8px; }
  .hero-grid { padding-top:46px; gap:36px; padding-bottom:36px; } .hero-copy .eyebrow { font-size:.75rem; gap:10px; letter-spacing:.08em; max-width:31ch; }
  h1 { font-size:clamp(2.25rem,9.2vw,3.8rem); line-height:1.1; } .hero-lead { font-size:1.0625rem; margin-top:24px; } .hero-description { margin-block:15px 25px; }
  .button-row { gap:10px; } .button-row .button { flex:1 1 180px; padding-inline:16px; } .hero-visual { padding:16px 12px; } .hero-visual figcaption { display:block; } .diagram-caption-label { margin-top:6px; }
  .hero-bottom { grid-template-columns:1fr 1fr; padding-block:19px; gap:16px; font-size:.75rem; } .hero-bottom span + span { border:0; text-align:left; } .hero-bottom span:last-child { text-align:left; } .hero-bottom span:nth-child(even) { padding-left:15px; border-left:1px solid #3a4245; }
  .eyebrow { margin-bottom:22px; } h2 { font-size:2.25rem; } .intro-grid { grid-template-columns:1fr; gap:24px; } .intro-text { font-size:1rem; }
  .integration-diagram { grid-template-columns:1fr; gap:28px; margin-block:35px 25px; } .system-group { flex-direction:row; gap:8px; }
  .system-node { flex:1; flex-direction:column; align-items:center; justify-content:center; padding:14px 4px; text-align:center; gap:10px; min-width:0; min-height:96px; font-size:.8125rem; }
  .system-group:first-child::after,.system-group:last-child::before,.system-group .system-node:nth-child(2)::after,.system-group .system-node:nth-child(2)::before { display:none; }
  .controller { width:min(230px,100%); margin-inline:auto; padding:24px 18px; } .controller::before,.controller::after { content:""; position:absolute; left:50%; width:1px; height:29px; background:var(--line); transition:background 1s; }
  .controller::before { bottom:100%; } .controller::after { top:100%; } .integration-diagram.is-visible .controller::before,.integration-diagram.is-visible .controller::after { background:var(--accent); }
  .controller strong { font-size:2.2rem; } .integration-foot { flex-direction:column; align-items:center; gap:10px; padding-top:22px; }
  .section-heading { margin-bottom:32px; } .section-heading > p br { display:none; } .service-grid { grid-template-columns:1fr; gap:14px; } .service-card { padding:25px; } .card-top { margin-bottom:32px; } .card-foot { margin-top:24px; }
  .coverage-grid { display:flex; flex-direction:column-reverse; gap:40px; align-items:stretch; } .coverage-copy > p:not(.eyebrow) { margin-top:24px; } .coverage-facts { margin-top:32px; gap:12px; } .coverage-facts strong { font-size:1.1rem; }
  .estate-visual { max-width:400px; width:100%; margin:auto; } .estate-map { height:420px; }
  .philosophy-grid { display:flex; flex-direction:column-reverse; gap:36px; align-items:stretch; } .philosophy-copy h2 { font-size:2.5rem; }
  .installation-photos { padding:12px; } .installation-gallery { gap:16px 10px; }
  .industries { padding-top:0; } .industry-grid li { padding:19px 12px; font-size:.875rem; gap:10px; }
  .case-grid { gap:20px; } .case-dashboard { padding:24px 20px; }
  .historical-intro { margin-top:-8px; } .case-heading { margin-bottom:24px; }
  .case-kpi > strong { font-size:2.5rem; } .energy-saved-total > strong { font-size:1.5rem; }
  .carbon-summary,.runtime-summary { padding:18px; }
  .projection-summary { gap:12px; flex-wrap:wrap; }
  .final-cta { padding:64px 0; } .cta-grid { flex-direction:column; align-items:start; gap:28px; } .cta-grid h2 { font-size:2.8rem; } .cta-grid p br { display:none; }
  .site-footer { padding-top:44px; } .footer-grid { grid-template-columns:1fr 1fr; gap:36px 24px; } .footer-grid > div:first-child,.footer-grid > div:last-child { grid-column:1 / -1; } .footer-bottom { margin-top:32px; } .dialog-content { padding:30px 24px; }
}
@media (max-width:360px) {
  .featured-logo { grid-template-columns:1fr; gap:16px; text-align:center; }
  .featured-logo-art { height:140px; }
  .container { width:calc(100% - 32px); } .brand img { width:40px; } .wordmark strong { font-size:1.35rem; } .wordmark > span { font-size:.5rem; }
  .industry-grid li { font-size:.8125rem; gap:6px; } .coverage-facts { grid-template-columns:1fr; } .coverage-facts div { flex-direction:row; align-items:center; justify-content:space-between; }
  .ahu-row dl,.runtime-summary dl { grid-template-columns:1fr; gap:10px; }
  .ahu-row-heading > span { gap:7px; font-size:.6875rem; }
  .case-kpi > strong { font-size:2.15rem; }
  .footer-grid { grid-template-columns:1fr; } .footer-grid > div:first-child { grid-column:auto; }
}
@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto; } *,*::before,*::after { transition:none !important; animation:none !important; }
}