/* BG — industrial editorial direction. Static, local assets, no font service. */
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var(--line);padding-top:25px;margin-top:50px;font-size:.875rem;color:var(--muted)}.proof-bar strong{display:block;color:var(--ink);font-size:1.125rem;margin-bottom:5px}.filter-list{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:35px}.filter-list button{border:1px solid var(--line);background:#fff;padding:10px 15px;color:var(--muted);font-size:.875rem}.filter-list button[aria-pressed=true]{background:var(--dark);border-color:var(--dark);color:#fff}.filter-status{font-size:.8125rem;color:var(--muted)}
.consent-panel{position:fixed;bottom:18px;left:18px;z-index:80;max-width:520px;background:#fff;color:var(--ink);padding:22px;box-shadow:0 5px 35px #211b2b33;border:1px solid var(--line);font-size:.875rem}.consent-panel p{margin-bottom:16px}.consent-panel a{text-decoration:underline}.consent-panel>div{display:flex;flex-wrap:wrap;gap:10px}.consent-panel button{padding:10px 14px;background:#fff;color:var(--ink);border:1px solid var(--line)}.consent-panel button:first-child{background:var(--dark);color:#fff;border-color:var(--dark)}.consent-settings{background:transparent;color:#d0c8d8;border:0;text-decoration:underline;font-size:.8125rem;padding:0}@media(max-width:600px){.consent-panel{left:12px;right:12px;bottom:12px}}
@media(min-width:1600px){.hero{min-height:770px}}
@media(max-width:1100px){.wrap{width:calc(100% - 48px)}.nav{gap:20px;min-height:100px;flex-wrap:wrap}.nav>.btn{display:none}.menu{display:block}.navlinks{display:none;order:3;width:100%;padding-block:0 22px;flex-direction:column;gap:4px}.navlinks.open{display:flex}.hero-caption{right:24px}.specialty .wrap{gap:45px}.contact-layout{gap:40px}.faq{gap:50px}.footer-grid{gap:30px}}
@media(max-width:760px){.wrap{width:calc(100% - 36px)}.utility .wrap>span{display:none}.utility .wrap{justify-content:space-between}.utility a{margin:0 16px 0 0}.nav{min-height:92px}.brand img{width:225px}.hero{min-height:650px;align-items:start}.hero .wrap{padding-block:65px 110px}.hero:after{background:linear-gradient(90deg,rgba(26,21,36,.94),rgba(26,21,36,.64)),linear-gradient(0deg,rgba(26,21,36,.7),transparent)}.hero h1{font-size:clamp(2.5rem,8vw,3.7rem)}.hero .lead{font-size:1.0625rem}.hero-caption{right:18px;bottom:23px}.hero-note{max-width:320px}.sector-band .wrap{grid-template-columns:1fr 1fr;font-size:.8125rem;gap:14px;padding-block:23px}.block{padding-block:60px}.section-head{display:block;margin-bottom:32px}.section-head p,.section-head>.textlink{margin-top:24px}.discipline{grid-template-columns:1fr;gap:28px;padding-block:28px}.discipline figure{height:300px}.discipline h3{font-size:2rem}.project-grid,.project-grid.featured{grid-template-columns:1fr;gap:35px}.project-grid.featured .project:first-child{grid-column:auto;grid-row:auto}.project-grid.featured .project:first-child .project-image,.project-grid.featured .project:not(:first-child) .project-image{aspect-ratio:4/3}.project-grid.featured .project:first-child h3{font-size:1.45rem}.specialty .wrap{grid-template-columns:1fr;gap:35px}.specialty figure img{height:360px}.process-grid,.fit,.faq,.footer-grid,.detail-grid,.page-intro .intro-grid,.contact-layout{grid-template-columns:1fr;gap:32px}.process-grid b{margin-bottom:20px}.fit-list li{padding-block:20px}.cta-inner,.division-link{display:block}.cta-inner .btn,.division-link .textlink{margin-top:25px}.cta-band{padding-block:50px}.footer-bottom{display:block}.footer-bottom a{display:inline-block;margin-top:12px}.page-intro{padding-block:40px}.page-intro h1{font-size:2.65rem}.intro-media{height:300px}.gallery{grid-template-columns:1fr 1fr}.contact-layout{padding-block:40px 60px}.form-shell{padding:23px}.form-grid{grid-template-columns:1fr}.proof-bar{flex-direction:column;gap:20px;margin-top:30px}.project-meta{grid-template-columns:1fr}.mobile-contact{position:sticky;bottom:0;display:grid;grid-template-columns:1fr 1fr;z-index:20;background:#fff;box-shadow:0 -3px 20px #211b2b18;padding:8px 12px;gap:8px}.mobile-contact a{font-size:.8125rem;padding:12px;min-height:46px;text-align:center;border:1px solid var(--line)}.mobile-contact a:first-child{background:var(--accent);color:#fff;border-color:var(--accent)}}
@media(max-width:390px){.brand img{width:180px}.nav{min-height:82px;gap:12px}.actions{flex-direction:column}.hero .wrap{padding-top:48px}.hero{min-height:720px}.gallery{grid-template-columns:1fr}.form-buttons{flex-wrap:wrap}.utility{font-size:.75rem}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

/* Audience journeys, evergreen guides and final navigation refinement. */
.menu{position:relative;width:48px;height:48px;padding:12px;border:0;background:transparent;color:var(--dark)}.menu span{display:block;height:2px;width:25px;background:currentColor;margin:6px auto;transition:transform .2s}.menu[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}.menu[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}.nav-audiences{position:relative}.nav-audiences summary{cursor:pointer;list-style:none;white-space:nowrap;padding:12px 0;border-bottom:2px solid transparent}.nav-audiences summary::-webkit-details-marker{display:none}.nav-audiences summary>span{margin-left:6px}.nav-audiences[open] summary{color:var(--accent)}.nav-audiences>div{position:absolute;z-index:35;top:100%;left:-20px;width:265px;background:white;box-shadow:0 15px 35px #211b2b20;border-top:2px solid var(--accent);padding:15px 20px}.nav-audiences>div a{display:block;padding:12px 0;font-size:.875rem;border-bottom:1px solid var(--line)}.nav-audiences>div a:last-child{border-bottom:0}.navlinks{gap:21px}.audience-section{padding-block:68px 76px}.audience-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:24px}.audience-card{display:flex;flex-direction:column;border:1px solid var(--line);padding:30px;transition:border-color .2s,background .2s}.audience-card:hover{border-color:var(--accent);background:var(--paper)}.audience-card .number{color:var(--accent);font-size:.8125rem;letter-spacing:.13em;margin-bottom:28px}.audience-card h3{font-size:1.5rem}.audience-card p{color:var(--muted);font-size:.9375rem}.audience-link{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:auto;padding-top:22px;font-size:.875rem;font-weight:600}.audience-link>span{font-size:1.3rem;color:var(--accent)}.hvac-bridge{background:#eaf1f2;border-block:1px solid #cddfe2;padding-block:60px}.hvac-bridge .wrap{display:flex;align-items:center;justify-content:space-between;gap:70px}.hvac-bridge .eyebrow{color:#146f82;margin-bottom:15px}.hvac-bridge h2{font-size:clamp(1.9rem,3vw,2.8rem);margin-bottom:16px;color:#15343e}.hvac-bridge p{color:#43636c;max-width:600px;margin-bottom:0}.hvac-bridge .btn{background:#146f82;border-color:#146f82;flex-shrink:0}.planning-list{padding-left:20px;margin:0 0 28px}.planning-list li{padding-block:7px}.fit .small-copy{margin-top:20px}.guide-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:42px 30px}.guide-card{min-width:0}.guide-cover{display:block;aspect-ratio:1.7;overflow:hidden;background:var(--paper);margin-bottom:22px}.guide-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s}.guide-card:hover img{transform:scale(1.025)}.guide-card .category{display:block;color:var(--accent);font-size:.75rem;text-transform:uppercase;letter-spacing:.12em;margin-bottom:14px}.guide-card h3{font-size:1.45rem;line-height:1.3;max-width:530px}.guide-card p{color:var(--muted);font-size:.9375rem}.guide-card h3 a:hover{color:var(--accent)}.article-heading{max-width:1100px;padding-block:40px}.article-heading h1{font-size:clamp(2.35rem,4.5vw,4rem);max-width:1040px;line-height:1.12}.article-heading .lead{font-size:1.2rem;color:var(--muted);max-width:880px;line-height:1.75}.article-byline{font-size:.8125rem;color:var(--muted);border-top:1px solid var(--line);padding-top:20px;margin-top:30px}.article-cover{max-width:1100px}.article-cover img{width:100%;height:420px;object-fit:cover}.article-layout{max-width:1100px;display:grid;grid-template-columns:240px minmax(0,1fr);gap:70px;padding-block:60px 90px}.article-toc{position:sticky;top:30px;font-size:.875rem}.article-toc .eyebrow{font-size:.75rem}.article-toc a{display:block;padding:12px 0;border-top:1px solid var(--line);line-height:1.5;color:var(--muted)}.article-toc a:hover{color:var(--accent)}.article-body h2{font-size:1.9rem;line-height:1.22;margin-bottom:22px}.article-body section{scroll-margin-top:30px;margin-bottom:45px}.article-body p,.article-body li{font-size:1.0625rem;line-height:1.85;color:#4f4c57}.article-body ul{padding-left:24px}.article-body li{padding-block:5px}.article-checklist{background:var(--paper);border-top:3px solid var(--accent);padding:30px}.article-checklist h2{font-size:1.6rem}.article-body .scope-note{font-size:.875rem}.article-heading .review-note{max-width:880px}.contact-layout .btn{max-width:100%}.field input,.field textarea,.field select{font-size:1rem}.mobile-contact a{line-height:1.35}.mobile-contact .btn{gap:12px}.mobile-contact .btn span{font-size:1rem}.hero .hero-note{max-width:520px}.hero-caption{pointer-events:none}.footer-grid a{overflow-wrap:anywhere}
@media(max-width:1100px){.navlinks{align-items:stretch}.navlinks>a{padding:12px 0}.nav-audiences>div{position:static;box-shadow:none;border-top:0;border-left:2px solid var(--accent);margin:0 0 10px;padding:0 20px;width:100%}.nav-audiences summary{padding:12px 0}.nav-audiences>div a{padding-block:12px}.hvac-bridge .wrap{gap:35px}.hvac-bridge .btn{max-width:310px}.article-layout{gap:40px;grid-template-columns:220px minmax(0,1fr)}html:not(.js) .navlinks{display:flex}html:not(.js) .menu{display:none}}
@media(max-width:760px){.audience-section{padding-block:45px}.audience-card{padding:25px}.audience-card .number{margin-bottom:20px}.hvac-bridge{padding-block:42px}.hvac-bridge .wrap{display:block}.hvac-bridge .btn{margin-top:25px;max-width:none}.guide-grid{grid-template-columns:1fr;gap:38px}.article-heading{padding-block:24px 30px}.article-heading h1{font-size:clamp(2.1rem,7.5vw,3.4rem)}.article-heading .lead{font-size:1.0625rem}.article-cover img{height:280px}.article-layout{grid-template-columns:1fr;padding-block:32px 50px;gap:35px}.article-toc{position:static}.article-toc a{padding-block:10px}.article-body h2{font-size:1.65rem}.article-body p,.article-body li{font-size:1rem;line-height:1.8}.article-checklist{padding:23px}.hero-caption{max-width:240px;font-size:.6875rem}.mobile-contact{padding-bottom:max(8px,env(safe-area-inset-bottom))}.form-shell{min-width:0}.contact-layout aside p{overflow-wrap:anywhere}.guide-card h3{font-size:1.4rem}}
@media(max-width:390px){.mobile-contact{grid-template-columns:1.35fr 1fr}.mobile-contact a{padding:10px 8px;font-size:.75rem}.mobile-contact .btn{gap:8px}.hero .eyebrow{font-size:.75rem}.hero .lead{line-height:1.65}.hero h1{font-size:2.55rem}.article-heading h1{font-size:2.1rem}.article-cover img{height:220px}.utility .wrap{padding-block:7px}.nav{min-height:84px}}
@media(prefers-reduced-motion:reduce){.menu span,.audience-card,.guide-cover img{transition:none}}
.contact-meta p a{display:inline}.form-shell{scroll-margin-top:24px}@media(max-width:760px){.contact-layout{gap:28px}.contact-layout aside h1{font-size:2.25rem}.contact-layout aside h1 br{display:none}.contact-layout aside h1 br::after{content:" "}.contact-layout aside>p{font-size:.9375rem;margin-bottom:12px}.contact-layout .contact-meta{display:none}.contact-layout{padding-top:24px}}
/* Optional project material stays readable at narrow mobile widths. */
.attachment-field{min-width:0}.attachment-field label{display:block}
.attachment-field input[type="file"]{max-width:100%;min-width:0;width:100%;font-size:.875rem}
.attachment-field input::file-selector-button{font:inherit;padding:8px 10px;margin-right:10px;border:1px solid var(--line);background:var(--paper);color:var(--ink);cursor:pointer}
.attachment-selection{display:flex;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-top:6px}
.attachment-selection small{min-width:0;overflow-wrap:anywhere;flex:1 1 180px}
.attachment-remove{font:inherit;font-size:.8125rem;text-decoration:underline;background:none;border:0;padding:4px 0;color:var(--accent);cursor:pointer}
#summary dd{overflow-wrap:anywhere}

/* BG: clear engineering typography, confident contrast and compact mobile rhythm. */
@font-face {
  font-family: "Manrope";
  src: url("/assets/fonts/manrope-latin-variable.woff2") format("woff2");
  font-weight: 400 800;
  font-style: normal;
  font-display: swap;
}
:root {
  --ink: #211e29;
  --muted: #49434f;
  --accent: #922f2b;
  --dark: #251e32;
  --line: #cecbd2;
  font-family: "Manrope", Arial, sans-serif;
  line-height: 1.7;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
body { font-weight: 500; }
.brand-descriptor { display: none; }
@media (max-width: 390px) {
  header .brand { display: flex; flex-direction: column; align-items: center; padding-block: 10px; }
  header .brand-descriptor { display: block; margin-top: -4px; font-size: 13px; line-height: 1.4; font-weight: 750; color: #342647; }
}
h1, h2, h3 { font-weight: 750; text-wrap: balance; overflow-wrap: anywhere; }
.wrap > *, .specialty .wrap > *, .fit > *, .faq > * { min-width: 0; }
h1 { line-height: 1.1; letter-spacing: -.042em; }
h2 { line-height: 1.14; letter-spacing: -.036em; }
h3 { line-height: 1.25; letter-spacing: -.025em; }
p { text-wrap: pretty; }
p, li { overflow-wrap: anywhere; }
.preview, .sector-band span, .faq summary, .mobile-contact a { overflow-wrap: anywhere; }
.preview a { display: inline-block; margin-inline: 6px; max-width: 100%; }
.eyebrow { font-size: .875rem; font-weight: 800; letter-spacing: .09em; line-height: 1.6; margin-bottom: 19px; }
.eyebrow:before { content: ""; display: inline-block; width: 22px; height: 3px; background: currentColor; margin: 0 10px 4px 0; }
.hero .eyebrow, .hero h1 em, .hvac .hero .eyebrow, .hvac .hero h1 em { color: #fff; }
.hero h1 { max-width: 850px; font-weight: 800; }
.hero h1 em { font-weight: 600; }
.hero .eyebrow:before { background: #ee7368; }
.hero .lead { color: #fff; font-weight: 500; font-size: 1.1875rem; line-height: 1.7; max-width: 620px; }
.hero .hero-note { color: #f5f2f8; font-size: .875rem; line-height: 1.7; border-left: 2px solid #ee7368; padding-left: 14px; max-width: 570px; }
.hero-caption { color: #fff; font-size: .75rem; background: #211b2bcc; padding: 8px 12px; border-radius: 4px; }
.hero:after { background: linear-gradient(90deg, #1b1626f5, #1b1626de 40%, #1b16264d 78%, #1b162626), linear-gradient(0deg, #1b162666, transparent 45%); }
.ui-icon { display: inline-block; vertical-align: middle; width: 1.25rem; height: 1.25rem; flex: 0 0 auto; }
.btn { border-radius: 5px; font-weight: 750; font-size: .9375rem; letter-spacing: -.01em; gap: 20px; min-height: 56px; padding: 16px 24px; transition: background .18s, border-color .18s, transform .18s; }
.btn span { display: inline-flex; align-items: center; }
.btn, .textlink { max-width: 100%; min-width: 0; overflow-wrap: anywhere; }
.btn:hover { filter: none; background: #74221f; border-color: #74221f; }
.btn.secondary:hover { background: #f1eef3; color: var(--ink); border-color: #766c7e; }
.btn.light:hover { background: #f3edf0; color: var(--dark); border-color: #f3edf0; }
.btn.outline-white { background: #ffffff12; border-color: #d7d1e0; }
.btn.outline-white:hover { background: #ffffff26; border-color: #fff; }
.btn .ui-icon { width: 20px; height: 20px; }
.textlink { color: var(--accent); font-weight: 800; gap: 18px; border-color: #bb8b87; }
.textlink:hover { color: #6f201d; border-color: currentColor; }
.specialty .textlink { color: #fff; border-color: #b6abbf; }
.specialty .eyebrow { color: #fff; }
.specialty .eyebrow:before { background: #ee7368; }
.specialty p, .specialty figcaption { color: #f2edf7; }
.sector-band { color: #fff; }
.sector-band .wrap { font-size: .875rem; font-weight: 650; }
.sector-band span:before { content: ""; display: inline-block; height: 12px; width: 2px; background: #e7897f; vertical-align: -1px; margin-right: 12px; }
.navlinks { font-size: .875rem; font-weight: 750; gap: 21px; }
.nav-audiences summary { display: flex; align-items: center; gap: 4px; }
.nav-audiences summary .ui-icon { width: 16px; height: 16px; }
.nav-audiences[open] .icon-chevron { transform: rotate(180deg); }
.nav-audiences>div { border-radius: 0 0 6px 6px; }
.section-head p, .page-intro .lead { color: var(--muted); font-size: 1.0625rem; }
.audience-section { padding-block: 78px 84px; }
.audience-grid { gap: 20px; }
.audience-card { position: relative; overflow: hidden; padding: 30px; border: 1px solid #d4cfd7; border-top: 3px solid var(--accent); background: #fff; border-radius: 7px; box-shadow: 0 5px 18px #211e2906; transition: border-color .2s, box-shadow .2s, transform .2s; }
.audience-card:hover { background: #fff; border-color: var(--accent); box-shadow: 0 12px 28px #211e2910; transform: translateY(-3px); }
.audience-card .number { display: inline-flex; width: 38px; height: 38px; align-items: center; justify-content: center; background: #f4e8e6; color: #842b26; border-radius: 4px; font-weight: 800; letter-spacing: .02em; font-size: .875rem; margin-bottom: 24px; }
.audience-card h3 { font-size: 1.6rem; margin-bottom: 14px; }
.audience-card p { font-size: 1rem; line-height: 1.65; color: #49434f; margin-bottom: 24px; }
.audience-link { padding-top: 20px; border-top: 1px solid #e4dfe7; font-size: .9375rem; font-weight: 800; color: var(--accent); }
.audience-link>span { display: inline-flex; width: 34px; height: 34px; align-items: center; justify-content: center; color: #fff; background: var(--accent); border-radius: 50%; }
.audience-link .ui-icon { width: 18px; height: 18px; }
.discipline p, .process-grid p, .detail-grid p, .fit-list p, .project p, .guide-card p { color: var(--muted); font-size: 1rem; }
.discipline .number, .project .category, .guide-card .category { font-size: .8125rem; font-weight: 800; letter-spacing: .075em; }
.discipline figure, .project-image, .guide-cover, .intro-media, .article-cover img { border-radius: 6px; }
.tags span { color: #38303e; border-color: #d1c8d5; border-radius: 3px; font-size: .875rem; font-weight: 650; }
.guide-card h3 { font-size: 1.5rem; line-height: 1.32; }
.guide-card .textlink { font-size: .9375rem; }
.guide-cover { margin-bottom: 20px; }
.article-body p, .article-body li { color: #38313e; font-size: 1.0625rem; line-height: 1.85; }
.article-byline, .article-toc { color: var(--muted); font-size: .875rem; }
.article-toc a { color: #49434f; }
.article-checklist { border-radius: 6px; }
.scope-note, .small-copy { color: #49434f; }
.process-grid b { color: var(--accent); font-weight: 700; }
.hvac-bridge .eyebrow { color: #135264; }
.hvac-bridge p { color: #264e59; font-size: 1rem; }
.hvac-bridge .btn:hover, .hvac .btn:hover { background: #105464; border-color: #105464; }
.hvac .textlink:hover { color: #105464; }
.hvac .btn.light:hover { color: #15343e; background: #edf5f6; border-color: #edf5f6; }
.cta-inner p { color: #fff; }
.footer-grid p, .footer-grid a:not(.brand), .footer-bottom { color: #eee9f4; }
.footer-grid h3 { font-size: 1rem; }
.footer-grid a:not(.brand) { font-size: .9375rem; padding-block: 7px; }
.footer-grid p { font-size: .9375rem; }
.footer-bottom { font-size: .8125rem; }
.form-shell { border-color: #d4cfd9; border-radius: 8px; border-top: 3px solid var(--accent); box-shadow: 0 10px 30px #211b2b06; }
.field { font-size: .9375rem; font-weight: 700; color: #332b3d; gap: 9px; }
.field input, .field textarea, .field select { font-weight: 500; font-size: 1rem; border-color: #98909f; border-radius: 4px; padding: 13px; }
.field input::placeholder, .field textarea::placeholder { color: #6a606f; opacity: 1; }
.field small { font-weight: 500; font-size: .8125rem; }
.steps { font-size: .875rem; font-weight: 650; }
.required-note { font-size: .875rem; }
.form-shell legend { font-weight: 750; }
.form-shell fieldset { min-inline-size: 0; min-width: 0; }
.form-shell legend { max-width: 100%; overflow-wrap: anywhere; }
.mobile-contact a { display: inline-flex; align-items: center; justify-content: center; gap: 9px; border-radius: 5px; font-weight: 750; font-size: .875rem; }
.mobile-contact .ui-icon { width: 18px; height: 18px; }
.mobile-contact a:last-child { color: #164f3c; border-color: #b8cfc4; background: #f4faf7; }
.mobile-contact .btn:hover { background: #74221f; border-color: #74221f; }
.hvac .mobile-contact .btn:hover { background: #105464; border-color: #105464; }
.breadcrumb { font-size: .8125rem; color: #514658; }
@media (max-width: 1200px) and (min-width: 1101px) {
  .nav { gap: 20px; }
  .brand img { width: 210px; }
  .navlinks { gap: 15px; }
  .nav>.btn { padding-inline: 17px; font-size: .875rem; gap: 12px; }
}
@media (max-width: 1100px) {
  .navlinks { gap: 2px; }
  .navlinks>a { border-bottom: 1px solid #e6e0e9; padding-block: 15px; }
  .nav-audiences>div { border-radius: 0; }
}
@media (max-width: 760px) {
  .wrap { width: calc(100% - 40px); }
  .nav { min-height: 86px; }
  .brand img { width: 192px; }
  .hero { min-height: 0; }
  .hero .wrap { padding-block: 44px 84px; }
  .hero:after { background: linear-gradient(90deg, #1b1626f2, #1b1626c9), linear-gradient(0deg, #1b162655, transparent); }
  .hvac .hero:after { background: linear-gradient(90deg, #0c282ff5, #0c282fd1); }
  .hero .eyebrow { font-size: .8125rem; letter-spacing: .075em; margin-bottom: 26px; max-width: 330px; }
  .hero h1 { font-size: clamp(2.5rem, 10vw, 3.8rem); line-height: 1.08; letter-spacing: -.04em; margin-bottom: 26px; }
  .hero h1 em { font-weight: 650; }
  .hero .lead { font-size: 1.0625rem; line-height: 1.7; margin-bottom: 0; }
  .actions { display: grid; grid-template-columns: 1fr; gap: 12px; margin-top: 28px; }
  .actions .btn { display: flex; justify-content: space-between; padding-inline: 20px; min-height: 56px; }
  .hero .hero-note { margin-top: 24px; font-size: .875rem; max-width: none; }
  .hero-caption { max-width: none; font-size: .75rem; right: 20px; bottom: 15px; padding: 5px 9px; line-height: 1.5; }
  .sector-band .wrap { font-size: .8125rem; line-height: 1.5; gap: 14px 16px; }
  .block { padding-block: 56px; }
  h2 { font-size: clamp(1.9rem, 7.7vw, 2.65rem); }
  .eyebrow { font-size: .8125rem; letter-spacing: .075em; margin-bottom: 16px; }
  .section-head { margin-bottom: 26px; }
  .section-head p { font-size: 1rem; margin-top: 18px; line-height: 1.7; }
  .audience-section { padding-block: 50px 54px; }
  .audience-grid { gap: 16px; }
  .audience-card { display: grid; grid-template-columns: 38px minmax(0, 1fr); gap: 0 14px; padding: 22px; }
  .audience-card .number { margin: 0; grid-column: 1; grid-row: 1; }
  .audience-card h3 { grid-column: 2; margin: 2px 0 16px; font-size: 1.3rem; text-wrap: pretty; align-self: center; min-height: 38px; }
  .audience-card p { grid-column: 1 / -1; margin: 0 0 20px; font-size: 1rem; line-height: 1.65; }
  .audience-link { grid-column: 1 / -1; margin: 0; padding-top: 14px; font-size: .875rem; gap: 10px; }
  .audience-link>span { width: 30px; height: 30px; }
  .discipline h3 { font-size: 1.8rem; margin-bottom: 18px; }
  .discipline figure { height: 250px; }
  .discipline { gap: 24px; }
  .project-grid { gap: 30px; }
  .project h3, .project-grid.featured .project:first-child h3 { font-size: 1.5rem; }
  .project-image { margin-bottom: 18px; }
  .project .category { margin-bottom: 8px; }
  .guide-grid { gap: 34px; }
  .guide-card h3 { font-size: 1.4rem; }
  .guide-cover { margin-bottom: 18px; }
  .page-intro h1 { font-size: clamp(2.1rem, 8.2vw, 3rem); }
  .page-intro .lead { font-size: 1.0625rem; }
  .article-heading h1 { font-size: clamp(2.1rem, 8.3vw, 3rem); }
  .article-body h2 { font-size: 1.7rem; }
  .article-body p, .article-body li { font-size: 1rem; }
  .hvac-bridge h2 { font-size: 1.9rem; }
  .hvac-bridge .btn { max-width: 100%; padding-inline: 18px; gap: 15px; font-size: .875rem; }
  .faq { gap: 26px; }
  .faq summary { font-size: 1rem; line-height: 1.5; }
  .faq details { padding-block: 20px; }
  .cta-inner .btn { width: 100%; justify-content: space-between; }
  .contact-layout aside>p { font-size: 1rem; }
  .contact-layout aside h1 { font-size: 2.2rem; }
  .form-shell { padding: 22px; }
  .mobile-contact { padding: 9px 12px max(9px, env(safe-area-inset-bottom)); gap: 9px; grid-template-columns: minmax(0,1.15fr) minmax(0,1fr); border-top: 1px solid #ded7e3; box-shadow: 0 -6px 22px #211b2b0d; }
  .mobile-contact a, .mobile-contact .btn { padding: 12px 8px; min-height: 50px; font-size: .875rem; gap: 8px; }
  .footer-grid { gap: 32px; }
}
@media (max-width: 350px) {
  .wrap { width: calc(100% - 32px); }
  .brand img { width: 174px; }
  .hero h1 { font-size: 2.45rem; }
  .hero .lead { font-size: 1rem; }
  .audience-card { padding: 18px; column-gap: 10px; }
  .audience-card h3 { font-size: 1.2rem; }
  .mobile-contact a, .mobile-contact .btn { font-size: .8125rem; gap: 6px; }
  .mobile-contact .ui-icon { width: 16px; height: 16px; }
  .form-shell { padding: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  .audience-card:hover { transform: none; }
}