:root {
  --ink: #061b2e;
  --navy: #083b70;
  --blue: #078fd1;
  --ice: #eaf5fa;
  --paper: #f7f4ed;
  --white: #ffffff;
  --orange: #f04a23;
  --orange-deep: #d93616;
  --slate: #52616b;
  --line: rgba(6, 27, 46, .16);
  --display: "Barlow Condensed", sans-serif;
  --body: "Manrope", sans-serif;
  --container: 1240px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--body); font-size: 16px; line-height: 1.65; }
body.menu-open { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #55c7ff; outline-offset: 4px; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 1000; top: 12px; left: 12px; padding: 10px 16px; background: white; color: var(--ink); transform: translateY(-150%); }
.skip-link:focus { transform: none; }

.utility-bar { height: 36px; color: #c9d7e2; background: #03111e; font-size: 11px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.utility-inner { height: 100%; display: flex; justify-content: space-between; align-items: center; }
.utility-inner p { margin: 0; }
.utility-inner p span { color: var(--orange); padding: 0 8px; }
.utility-inner a { color: white; }
.utility-inner a span { color: var(--orange); margin-left: 5px; }

.site-header { position: absolute; z-index: 20; top: 36px; left: 0; width: 100%; height: 94px; color: white; border-bottom: 1px solid rgba(255,255,255,.18); transition: background .25s ease, height .25s ease; }
.nav-wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { width: 236px; height: 66px; display: flex; align-items: center; }
.brand-crop { position: relative; display: flex; align-items: center; width: 236px; height: 66px; overflow: visible; }
.brand-crop img { width: 228px; max-width: 100%; height: auto; }
.site-header .brand-crop { width: 250px; height: 72px; padding: 9px 12px; background: rgba(250,252,252,.96); clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%); box-shadow: 0 12px 32px rgba(0,0,0,.18); }
.site-header .brand-crop::after { content: ""; position: absolute; top: 0; left: 0; width: 74px; height: 3px; background: var(--orange); }
.site-header .brand-crop img { filter: none; }
.site-nav { display: flex; align-items: center; gap: 34px; font-size: 13px; font-weight: 700; }
.site-nav > a:not(.nav-cta) { position: relative; }
.site-nav > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; bottom: -8px; width: 100%; height: 2px; background: var(--orange); transform: scaleX(0); transform-origin: right; transition: transform .25s ease; }
.site-nav > a:not(.nav-cta):hover::after { transform: scaleX(1); transform-origin: left; }
.nav-cta { display: inline-flex; align-items: center; gap: 28px; min-height: 46px; padding: 0 18px; color: white; background: var(--orange); }
.nav-cta:hover { background: var(--orange-deep); }
.menu-toggle { display: none; }

.hero { position: relative; min-height: 850px; color: white; background: var(--ink); overflow: hidden; }
.hero-media { position: absolute; inset: -2%; background: linear-gradient(90deg, rgba(2,17,30,.98) 0%, rgba(2,17,30,.9) 34%, rgba(2,17,30,.54) 66%, rgba(2,17,30,.8) 100%), url("../images/optimized/pexels-theshuttervision-11538226.jpg") center/cover no-repeat; filter: saturate(.58) contrast(1.12); will-change: transform; }
.hero-media::after { content: ""; position: absolute; inset: 0; opacity: .15; background-image: linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px); background-size: 84px 84px; mask-image: linear-gradient(to right, black, transparent 74%); }
.hero-shade { position: absolute; z-index: 1; inset: 0; background: radial-gradient(circle at 76% 38%, transparent 0, rgba(4,20,34,.12) 27%, rgba(4,20,34,.48) 71%), linear-gradient(180deg, rgba(1,12,21,.02) 55%, rgba(1,12,21,.76)); pointer-events: none; }
.climate-readout { position: absolute; z-index: 1; top: 150px; left: 52%; width: 150px; padding-left: 17px; display: grid; color: rgba(255,255,255,.55); border-left: 1px solid rgba(255,255,255,.22); font-size: 8px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.climate-readout strong { color: rgba(255,255,255,.16); font: 700 74px/.84 var(--display); letter-spacing: -.05em; }
.climate-readout sup { color: var(--orange); font-size: 20px; }
.climate-readout small { margin-top: 5px; color: #8fcce8; font-size: 8px; }
.airflow-field { position: absolute; z-index: 1; inset: 115px 0 0; overflow: hidden; pointer-events: none; will-change: transform, opacity; }
.airflow-path { position: absolute; display: block; width: 82%; height: 230px; left: -11%; border-top: 1px solid rgba(67,184,232,.3); border-radius: 50%; transform: rotate(-7deg); }
.airflow-path::before, .airflow-path::after { content: ""; position: absolute; left: 0; width: 100%; height: 100%; border-top: 1px solid rgba(67,184,232,.17); border-radius: 50%; }
.airflow-path::before { top: 19px; }
.airflow-path::after { top: 39px; }
.airflow-path-one { top: 174px; }
.airflow-path-two { top: 405px; left: 12%; width: 78%; opacity: .74; transform: rotate(-10deg); }
.airflow-path-three { top: 590px; left: -20%; width: 68%; opacity: .46; transform: rotate(-5deg); }
.airflow-path i { position: absolute; top: -3px; left: 4%; width: 6px; height: 6px; display: block; border-radius: 50%; background: #75d6ff; box-shadow: 0 0 12px 3px rgba(65,190,242,.48); opacity: 0; }
.airflow-path i:nth-child(2) { top: 16px; left: 18%; }
.airflow-path i:nth-child(3) { top: 36px; left: 33%; }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1.18fr) minmax(400px, .82fr); gap: 74px; align-items: center; min-height: 850px; padding-top: 130px; padding-bottom: 54px; }
.hero-copy { padding-top: 15px; }
.eyebrow { margin: 0 0 20px; display: flex; align-items: center; gap: 12px; font-size: 11px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow > span { display: block; width: 34px; height: 2px; background: var(--orange); }
.eyebrow.dark { color: var(--navy); }
.hero h1 { max-width: 660px; margin: 0; font-family: var(--display); font-size: clamp(76px, 7.4vw, 116px); font-weight: 700; line-height: .78; letter-spacing: -.045em; text-transform: uppercase; }
.hero-title-line { display: block; overflow: hidden; padding: 0 .04em .05em 0; }
.hero-title-line > span { display: block; will-change: transform; }
.hero-title-line.outline > span { color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.82); }
.hero-lede { max-width: 620px; margin: 32px 0 0; color: #d1dde5; font-size: 17px; line-height: 1.65; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 34px; }
.button { min-height: 54px; padding: 0 22px; display: inline-flex; align-items: center; justify-content: center; gap: 32px; border: 0; cursor: pointer; font-size: 13px; font-weight: 800; }
.button-hot { color: white; background: var(--orange); }
.button-hot:hover { background: var(--orange-deep); }
.button-light { color: var(--ink); background: white; }
.button-light:hover { background: var(--ice); }
.text-link { position: relative; font-size: 13px; font-weight: 700; }
.text-link::after { content: ""; position: absolute; left: 0; right: 0; bottom: -5px; height: 1px; background: currentColor; opacity: .5; }
.text-link span { margin-left: 8px; color: var(--orange); }
.hero-proof { display: flex; gap: 30px; margin-top: 50px; color: #71879a; font: 600 11px/1 var(--body); letter-spacing: .08em; }
.hero-proof span { display: flex; gap: 9px; align-items: center; }
.hero-proof strong { color: white; font-weight: 700; text-transform: uppercase; }

.estimate-panel { position: relative; padding: 28px 30px 26px; color: var(--ink); background: rgba(250,252,252,.97); box-shadow: 0 28px 80px rgba(0,0,0,.3); clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%); will-change: transform, opacity; }
.estimate-panel::before { content: ""; position: absolute; top: 0; left: 0; width: 92px; height: 4px; background: var(--orange); }
.estimate-panel::after { content: "HVAC / CONTROL PANEL"; position: absolute; right: 21px; bottom: 8px; color: rgba(6,27,46,.28); font-size: 7px; font-weight: 800; letter-spacing: .14em; }
.panel-corner { position: absolute; z-index: 2; width: 13px; height: 13px; pointer-events: none; }
.panel-corner-one { top: 10px; right: 10px; border-top: 1px solid rgba(6,27,46,.2); border-right: 1px solid rgba(6,27,46,.2); }
.panel-corner-two { bottom: 10px; left: 10px; border-bottom: 1px solid rgba(6,27,46,.2); border-left: 1px solid rgba(6,27,46,.2); }
.panel-topline { display: flex; justify-content: space-between; margin-bottom: 24px; color: var(--navy); font-size: 10px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.live-dot { display: flex; align-items: center; gap: 7px; }
.live-dot::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #37af6b; box-shadow: 0 0 0 5px rgba(55,175,107,.12); }
.estimate-panel h2 { margin: 0; font: 700 38px/.98 var(--display); letter-spacing: -.025em; text-transform: uppercase; }
.estimate-panel > p { margin: 12px 0 20px; color: var(--slate); font-size: 13px; line-height: 1.55; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { margin-bottom: 12px; }
.field label { display: block; margin-bottom: 5px; font-size: 10px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.field input, .field select { width: 100%; height: 46px; padding: 0 13px; color: var(--ink); background: white; border: 1px solid #c8d4da; border-radius: 0; font-size: 13px; outline: 0; }
.field input:focus, .field select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(7,143,209,.13); }
.field input[aria-invalid="true"], .field select[aria-invalid="true"] { border-color: var(--orange); }
.button-full { width: 100%; margin-top: 3px; }
.form-note { margin: 10px 0 0; color: #667985; font-size: 10px; text-align: center; }
.form-status { min-height: 0; margin: 8px 0 0; color: var(--navy); font-size: 12px; font-weight: 700; text-align: center; }
.hero-index { position: absolute; z-index: 3; bottom: 23px; right: 26px; display: flex; gap: 10px; align-items: center; color: rgba(255,255,255,.4); font-size: 9px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.hero-index span { color: var(--orange); }
.hero-scroll-cue { position: absolute; z-index: 3; bottom: 20px; left: max(24px, calc((100vw - var(--container)) / 2)); display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,.44); font-size: 8px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.hero-scroll-cue span { position: relative; width: 1px; height: 28px; display: block; overflow: hidden; background: rgba(255,255,255,.2); }
.hero-scroll-cue span::after { content: ""; position: absolute; top: -50%; left: 0; width: 100%; height: 50%; background: var(--orange); animation: scroll-cue 2.1s ease-in-out infinite; }
@keyframes scroll-cue { 0% { transform: translateY(0); } 70%, 100% { transform: translateY(84px); } }

.intro { padding: 120px 0 132px; background: var(--paper); }
.intro-grid { display: grid; grid-template-columns: .35fr 1fr; gap: 60px; align-items: start; }
.section-kicker { display: flex; align-items: center; gap: 16px; color: #697982; font-size: 11px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.section-kicker span { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid var(--line); color: var(--orange); font-size: 9px; }
.section-kicker p { margin: 0; }
.intro-copy { max-width: 790px; }
.intro-copy h2, .process-heading h2, .faq-heading h2 { margin: 0; font: 700 clamp(52px, 5.4vw, 78px)/.94 var(--display); letter-spacing: -.035em; text-transform: uppercase; }
.intro-copy > p:last-child { max-width: 650px; margin: 28px 0 0; color: var(--slate); font-size: 17px; }
.services-stage { margin-top: 78px; }
.service-feature { display: grid; grid-template-columns: 1.65fr .75fr; min-height: 490px; background: var(--ink); }
.service-image { position: relative; min-height: 490px; background-size: cover; background-position: center; overflow: hidden; }
.service-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent 55%, rgba(6,27,46,.72)); }
.image-cooling { background-image: url("../images/optimized/pexels-paolo-rossa-1121474291-24828656.jpg"); filter: saturate(.8); }
.image-tag { position: absolute; z-index: 1; left: 22px; bottom: 22px; padding: 8px 12px; color: white; background: var(--orange); font-size: 10px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.service-copy { padding: 52px 44px; display: flex; flex-direction: column; color: white; }
.service-num { color: var(--orange); font-size: 11px; font-weight: 800; letter-spacing: .12em; }
.service-copy h3, .service-mini h3 { margin: auto 0 16px; font: 700 48px/.94 var(--display); letter-spacing: -.03em; text-transform: uppercase; }
.service-copy p { margin: 0; color: #b6c4cf; font-size: 14px; }
.service-copy a, .service-mini a { margin-top: 26px; color: white; font-size: 12px; font-weight: 800; }
.service-copy a span, .service-mini a span { margin-left: 10px; color: var(--orange); }
.service-pair { display: grid; grid-template-columns: 1fr 1fr; }
.service-mini { min-height: 350px; padding: 40px; display: flex; flex-direction: column; }
.service-heat { color: white; background: var(--orange); }
.service-heat .service-num, .service-heat a span { color: var(--ink); }
.service-mini h3 { max-width: 440px; margin: auto 0 10px; font-size: 40px; }
.service-mini > p:not(.mini-label) { max-width: 470px; margin: 0; font-size: 14px; }
.mini-label { margin: 10px 0 0; font-size: 10px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.service-air { position: relative; color: white; background: #0d4878; overflow: hidden; }
.mini-photo { position: absolute; inset: 0; opacity: .34; background: linear-gradient(rgba(6,27,46,.25),rgba(6,27,46,.75)), url("../images/optimized/pexels-bingqian-li-230971044-32032996.jpg") center/cover; }
.service-air > *:not(.mini-photo) { position: relative; }

.control-section { position: relative; min-height: 720px; color: white; background: #061727; overflow: hidden; }
.control-image { position: absolute; inset: 0; opacity: .3; background: linear-gradient(90deg, #061727 20%, rgba(6,23,39,.42) 70%, #061727), url("../images/optimized/pexels-chris-f-38966-10640145.jpg") center/cover; filter: contrast(1.2); }
.control-grid { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; min-height: 720px; }
.control-copy h2 { max-width: 630px; margin: 0; font: 700 clamp(56px, 5.8vw, 82px)/.91 var(--display); letter-spacing: -.04em; text-transform: uppercase; }
.control-copy > p { max-width: 580px; margin: 26px 0 32px; color: #bfd0db; }
.comfort-dial { position: relative; min-height: 510px; }
.dial-rings { position: absolute; top: 50%; left: 50%; width: 330px; height: 330px; border: 1px solid rgba(255,255,255,.24); border-radius: 50%; transform: translate(-50%,-50%); }
.dial-rings::before, .dial-rings::after { content: ""; position: absolute; border-radius: 50%; border: 1px dashed rgba(68,185,236,.4); }
.dial-rings::before { inset: 34px; }
.dial-rings::after { inset: 72px; border-style: solid; border-color: rgba(240,74,35,.55); }
.dial-core { position: absolute; inset: 103px; display: flex; flex-direction: column; align-items: center; justify-content: center; border-radius: 50%; color: var(--ink); background: white; text-align: center; box-shadow: 0 0 70px rgba(24,143,201,.28); }
.dial-core small { font-size: 8px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.dial-core strong { font: 700 23px/1 var(--display); text-transform: uppercase; }
.dial-core span { color: var(--orange); font-size: 9px; font-weight: 800; }
.dial-label { position: absolute; display: flex; gap: 10px; align-items: center; font-size: 10px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.dial-label span { color: var(--orange); }
.dial-label-one { top: 9%; left: 11%; }
.dial-label-two { top: 44%; right: -2%; }
.dial-label-three { bottom: 9%; left: 15%; }

.process { padding: 118px 0; background: var(--ice); }
.process-heading { display: grid; grid-template-columns: .5fr 1.2fr; gap: 40px; align-items: start; }
.process-heading h2 { max-width: 800px; font-size: clamp(48px, 5vw, 70px); }
.process-list { margin: 72px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.process-list li { display: grid; grid-template-columns: .32fr 1fr; align-items: center; min-height: 150px; border-bottom: 1px solid var(--line); }
.process-list > li > span { color: var(--orange); font: 700 13px/1 var(--body); }
.process-list li div { display: grid; grid-template-columns: .8fr 1fr; gap: 50px; align-items: center; }
.process-list h3 { margin: 0; font: 700 35px/1 var(--display); text-transform: uppercase; }
.process-list p { max-width: 520px; margin: 0; color: var(--slate); font-size: 14px; }

.image-break { position: relative; min-height: 560px; display: flex; align-items: flex-end; padding: 48px max(24px, calc((100vw - var(--container)) / 2)); color: white; background: linear-gradient(90deg, rgba(3,17,30,.76), rgba(3,17,30,.06)), url("../images/optimized/pexels-baikoo-30210086.jpg") center 55%/cover no-repeat; }
.image-break::after { content: ""; position: absolute; inset: 0; border: 18px solid var(--paper); pointer-events: none; }
.image-break-copy { position: relative; z-index: 1; display: flex; flex-direction: column; }
.image-break-copy span { margin-bottom: 12px; color: #c9e8f6; font-size: 10px; font-weight: 800; letter-spacing: .22em; }
.image-break-copy strong { font: 700 clamp(52px, 6vw, 82px)/.88 var(--display); letter-spacing: -.035em; text-transform: uppercase; }

.faq { padding: 125px 0; background: var(--paper); }
.faq-grid { display: grid; grid-template-columns: .72fr 1fr; gap: 100px; }
.faq-heading { position: sticky; top: 40px; align-self: start; }
.faq-heading > p:not(.eyebrow) { max-width: 440px; color: var(--slate); }
.dark-link { display: inline-block; margin-top: 18px; color: var(--ink); }
.faq-item { border-top: 1px solid var(--line); }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-item h3 { margin: 0; }
.faq-item button { width: 100%; padding: 26px 0; display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--ink); background: transparent; border: 0; cursor: pointer; text-align: left; font: 700 25px/1.15 var(--display); text-transform: uppercase; }
.faq-item button i { position: relative; flex: 0 0 26px; width: 26px; height: 26px; border: 1px solid var(--line); border-radius: 50%; }
.faq-item button i::before, .faq-item button i::after { content: ""; position: absolute; top: 50%; left: 50%; width: 10px; height: 1px; background: var(--orange); transform: translate(-50%,-50%); }
.faq-item button i::after { transform: translate(-50%,-50%) rotate(90deg); transition: transform .2s ease; }
.faq-item button[aria-expanded="true"] i::after { transform: translate(-50%,-50%) rotate(0); }
.faq-answer { padding: 0 54px 25px 0; color: var(--slate); font-size: 14px; }
.faq-answer p { margin: 0; }

.closing { position: relative; padding: 100px 0; color: white; background: var(--orange); overflow: hidden; }
.closing-lines { position: absolute; left: -10%; top: -130px; width: 65%; height: 420px; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; transform: rotate(-12deg); }
.closing-lines::before, .closing-lines::after { content: ""; position: absolute; inset: 36px -10px; border-top: 1px solid rgba(255,255,255,.16); border-radius: 50%; }
.closing-lines::after { inset: 72px -20px; }
.closing-grid { position: relative; display: grid; grid-template-columns: 1fr .55fr; gap: 80px; align-items: end; }
.closing-copy h2 { margin: 0; font: 700 clamp(72px, 8vw, 112px)/.82 var(--display); letter-spacing: -.045em; text-transform: uppercase; }
.closing-copy > p:last-child { margin: 26px 0 0; }
.closing-action { min-height: 145px; padding: 24px 30px; display: flex; align-items: flex-end; justify-content: space-between; background: var(--ink); }
.closing-action span { max-width: 200px; font: 700 32px/.95 var(--display); text-transform: uppercase; }
.closing-action b { display: grid; place-items: center; width: 48px; height: 48px; color: var(--ink); background: white; font-size: 22px; }

.site-footer { padding: 75px 0 22px; color: #bfd0db; background: #03111e; }
.footer-grid { display: grid; grid-template-columns: 1.35fr .55fr .55fr 1fr; gap: 65px; }
.footer-brand { max-width: 330px; }
.footer-logo { width: 220px; height: 74px; margin-bottom: 16px; }
.footer-logo { position: relative; display: block; overflow: hidden; }
.footer-logo img { position: absolute; width: 225px; max-width: none; top: 50%; left: 50%; transform: translate(-50%, -50%); filter: drop-shadow(0 1px 0 white); }
.footer-brand p, .footer-grid > div:last-child p { margin: 0; font-size: 13px; }
.footer-grid h2 { margin: 0 0 18px; color: white; font: 700 16px/1 var(--display); letter-spacing: .08em; text-transform: uppercase; }
.footer-grid a { display: block; margin: 8px 0; font-size: 13px; }
.footer-grid a:hover { color: white; }
.footer-bottom { margin-top: 62px; padding-top: 20px; display: flex; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.12); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.footer-bottom p { margin: 0; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .75s var(--ease), transform .75s var(--ease); }
.reveal.in-view { opacity: 1; transform: none; }

@media (max-width: 1060px) {
  .container { width: min(calc(100% - 38px), var(--container)); }
  .site-nav { gap: 22px; }
  .climate-readout { display: none; }
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr .82fr; gap: 32px; min-height: 790px; padding-top: 135px; }
  .hero h1 { font-size: 80px; }
  .estimate-panel { padding: 24px; }
  .service-feature { grid-template-columns: 1.3fr .8fr; }
  .control-grid { gap: 30px; }
  .faq-grid { gap: 55px; }
  .footer-grid { grid-template-columns: 1.25fr .6fr .6fr 1fr; gap: 32px; }
}

@media (max-width: 820px) {
  .utility-bar { display: none; }
  .site-header { top: 0; height: 82px; }
  .brand { width: 205px; }
  .brand-crop { width: 205px; height: 60px; }
  .brand-crop img { width: 210px; }
  .site-header .brand-crop { width: 205px; height: 60px; padding: 8px 10px; }
  .menu-toggle { position: relative; z-index: 31; width: 58px; height: 48px; padding: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; color: white; background: transparent; border: 1px solid rgba(255,255,255,.3); cursor: pointer; }
  .menu-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .menu-lines { display: grid; gap: 6px; }
  .menu-lines i { display: block; width: 22px; height: 2px; background: currentColor; transition: transform .2s ease; }
  .menu-toggle[aria-expanded="true"] .menu-lines i:first-child { transform: translateY(4px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-lines i:last-child { transform: translateY(-4px) rotate(-45deg); }
  .site-nav { position: fixed; z-index: 30; inset: 0; padding: 130px 28px 40px; display: flex; flex-direction: column; align-items: stretch; gap: 0; color: white; background: var(--ink); transform: translateX(100%); transition: transform .35s var(--ease); }
  .site-nav.open { transform: none; }
  .site-nav > a { padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.14); font: 700 34px/1 var(--display); text-transform: uppercase; }
  .site-nav .nav-cta { margin-top: auto; padding: 0 20px; min-height: 58px; justify-content: space-between; border: 0; font: 700 17px/1 var(--body); text-transform: none; }
  .climate-readout, .hero-scroll-cue { display: none; }
  .hero-grid { grid-template-columns: 1fr; gap: 42px; min-height: auto; padding-top: 150px; padding-bottom: 72px; }
  .hero-copy { padding: 0; }
  .hero h1 { font-size: clamp(68px, 15vw, 100px); }
  .hero-lede { max-width: 650px; }
  .estimate-panel { max-width: 590px; }
  .field-row { grid-template-columns: 1fr 1fr; gap: 12px; }
  .intro { padding: 90px 0; }
  .intro-grid { grid-template-columns: 1fr; gap: 38px; }
  .services-stage { margin-top: 55px; }
  .service-feature { grid-template-columns: 1fr; }
  .service-image { min-height: 420px; }
  .service-copy { min-height: 350px; }
  .service-pair { grid-template-columns: 1fr; }
  .control-grid { grid-template-columns: 1fr; padding: 90px 0 60px; }
  .comfort-dial { min-height: 470px; }
  .process-heading { grid-template-columns: 1fr; }
  .process-list li { grid-template-columns: 80px 1fr; }
  .process-list li div { grid-template-columns: 1fr; gap: 10px; padding: 26px 0; }
  .faq-grid { grid-template-columns: 1fr; }
  .faq-heading { position: static; }
  .closing-grid { grid-template-columns: 1fr; gap: 46px; }
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; }
  .footer-grid > div:last-child { grid-column: 1 / -1; padding-top: 26px; border-top: 1px solid rgba(255,255,255,.12); }
}

@media (max-width: 560px) {
  .container { width: min(calc(100% - 32px), var(--container)); }
  .site-header { height: 72px; }
  .brand, .brand-crop { width: 178px; height: 54px; }
  .brand-crop img { width: 182px; }
  .site-header .brand-crop { width: 178px; height: 54px; padding: 7px 9px; }
  .menu-toggle { width: 50px; height: 42px; }
  .hero-media { background: linear-gradient(180deg, rgba(2,17,30,.9), rgba(2,17,30,.96)), url("../images/optimized/pexels-theshuttervision-11538226.jpg") 56% center/cover no-repeat; }
  .hero-grid { padding-top: 118px; padding-bottom: 52px; gap: 36px; }
  .eyebrow { margin-bottom: 16px; letter-spacing: .11em; }
  .hero h1 { font-size: clamp(64px, 19vw, 86px); line-height: .82; }
  .hero-lede { margin-top: 24px; font-size: 15px; }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 18px; margin-top: 26px; }
  .hero-actions .text-link { align-self: flex-start; }
  .button { min-height: 56px; }
  .hero-proof { margin-top: 34px; gap: 14px; flex-wrap: wrap; }
  .hero-proof span { width: calc(50% - 8px); }
  .estimate-panel { margin-inline: -4px; padding: 24px 20px; }
  .estimate-panel h2 { font-size: 34px; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .hero-index { display: none; }
  .intro { padding: 78px 0; }
  .intro-copy h2, .faq-heading h2 { font-size: 49px; }
  .intro-copy > p:last-child { font-size: 15px; }
  .services-stage { width: 100%; }
  .service-image { min-height: 320px; }
  .service-copy { min-height: 340px; padding: 34px 24px; }
  .service-copy h3, .service-mini h3 { font-size: 38px; }
  .service-mini { min-height: 330px; padding: 30px 24px; }
  .control-grid { padding-top: 78px; }
  .control-copy h2 { font-size: 55px; }
  .comfort-dial { min-height: 390px; margin-inline: -14px; }
  .dial-rings { width: 270px; height: 270px; }
  .dial-rings::after { inset: 62px; }
  .dial-core { inset: 84px; }
  .dial-label-two { right: 0; }
  .process { padding: 80px 0; }
  .process-heading h2 { font-size: 47px; }
  .process-list { margin-top: 48px; }
  .process-list li { grid-template-columns: 46px 1fr; }
  .process-list h3 { font-size: 29px; }
  .image-break { min-height: 500px; padding-bottom: 42px; background-position: 47% center; }
  .image-break::after { border-width: 10px; }
  .image-break-copy strong { font-size: 49px; }
  .faq { padding: 82px 0; }
  .faq-grid { gap: 50px; }
  .faq-item button { font-size: 22px; }
  .closing { padding: 78px 0; }
  .closing-copy h2 { font-size: 70px; }
  .closing-action { min-height: 120px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 38px 24px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { gap: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Hero revision: controlled comfort */
:root { --container: 1320px; }

.site-header { border-bottom-color: rgba(255,255,255,.14); }
.site-header .brand-crop {
  width: 230px;
  height: 70px;
  padding: 0;
  background: transparent;
  clip-path: none;
  box-shadow: none;
}
.site-header .brand-crop::after { display: none; }
.site-header .brand-crop img {
  width: 224px;
  filter: brightness(0) invert(1) drop-shadow(0 2px 9px rgba(0,0,0,.32));
  opacity: .96;
}

.site-nav > a:not(.nav-cta)::after { border-radius: 999px; }
.nav-cta,
.button {
  border: 1px solid transparent;
  border-radius: 14px;
  transition: color .25s ease, background .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s var(--ease);
}
.nav-cta {
  min-height: 48px;
  padding: 0 12px 0 19px;
  gap: 18px;
  border-color: #ff775b;
  box-shadow: 0 10px 28px rgba(240,74,35,.2);
}
.nav-cta span,
.button span {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  flex: 0 0 28px;
  border-radius: 50%;
  background: rgba(255,255,255,.16);
  transition: transform .25s var(--ease), background .25s ease;
}
.nav-cta:hover,
.button-hot:hover { transform: translateY(-2px); border-color: #ff9a82; box-shadow: 0 14px 32px rgba(240,74,35,.28); }
.nav-cta:hover span,
.button:hover span { transform: translate(2px,-2px); background: rgba(255,255,255,.24); }

.hero {
  min-height: 900px;
  overflow: visible;
  background: #03111e;
}
.hero-frame,
.hero-media,
.hero-shade,
.airflow-field {
  position: absolute;
  top: 56px;
  right: auto;
  bottom: 30px;
  left: 50%;
  width: min(calc(100% - 48px), var(--container));
  translate: -50% 0;
  border-radius: 28px;
}
.hero-frame {
  z-index: 0;
  overflow: hidden;
  background: #08233a;
  border: 1px solid rgba(144,213,241,.17);
  box-shadow: 0 28px 80px rgba(0,0,0,.3);
}
.hero-media {
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(3,17,30,.96) 0%, rgba(3,17,30,.88) 37%, rgba(3,17,30,.45) 67%, rgba(3,17,30,.82) 100%),
    url("../images/optimized/pexels-theshuttervision-11538226.jpg") 57% center/cover no-repeat;
  filter: saturate(.62) contrast(1.08);
  transform-origin: 50% 50%;
}
.hero-media::after {
  opacity: .1;
  background-size: 96px 96px;
  mask-image: linear-gradient(to right, black, transparent 70%);
}
.hero-shade {
  z-index: 1;
  background:
    radial-gradient(circle at 56% 48%, rgba(26,154,211,.05), rgba(4,20,34,.18) 28%, rgba(4,20,34,.52) 76%),
    linear-gradient(180deg, rgba(1,12,21,.02) 55%, rgba(1,12,21,.7));
}
.airflow-field {
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
  will-change: transform, opacity;
}
.airflow-canvas,
.airflow-canvas canvas { width: 100%; height: 100%; display: block; }
.airflow-canvas { opacity: .82; mask-image: linear-gradient(90deg, transparent 2%, black 25%, black 78%, transparent 98%); }
.comfort-zone {
  position: absolute;
  top: 46%;
  left: 54%;
  width: 106px;
  height: 106px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(210,244,255,.3);
  border-radius: 50%;
  color: rgba(255,255,255,.72);
  background: rgba(4,24,40,.46);
  box-shadow: 0 0 0 12px rgba(72,194,241,.045), 0 0 54px rgba(61,181,232,.16);
  backdrop-filter: blur(4px);
}
.comfort-zone::before,
.comfort-zone::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px dashed rgba(255,114,76,.22);
}
.comfort-zone::before { inset: -13px; }
.comfort-zone::after { inset: 18px; border-color: rgba(84,204,250,.22); }
.comfort-zone span { font-size: 7px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.comfort-zone strong { font: 700 35px/.92 var(--display); }
.comfort-zone sup { color: var(--orange); font-size: 11px; }

.hero-grid {
  grid-template-columns: minmax(0, 1fr) minmax(405px, 440px);
  gap: 68px;
  min-height: 900px;
  padding: 142px 44px 64px;
}
.hero-copy { padding-top: 10px; }
.hero h1 { max-width: 650px; font-size: clamp(78px, 7vw, 108px); line-height: .8; }
.hero-lede { max-width: 575px; margin-top: 28px; font-size: 16px; }
.hero-actions { margin-top: 29px; }
.button { min-height: 56px; padding: 0 12px 0 21px; gap: 22px; }
.button-hot { border-color: #ff775b; box-shadow: 0 12px 30px rgba(240,74,35,.22); }
.text-link { padding: 9px 0; }
.text-link::after { border-radius: 999px; }
.hero-proof { margin-top: 40px; }

.estimate-panel {
  padding: 29px 30px 27px;
  border: 1px solid rgba(177,214,230,.84);
  border-radius: 22px;
  clip-path: none;
  box-shadow: 0 30px 70px rgba(0,0,0,.34), 0 0 0 7px rgba(255,255,255,.035);
}
.estimate-panel::before { left: 29px; width: 68px; height: 4px; border-radius: 0 0 4px 4px; }
.estimate-panel::after { right: 25px; bottom: 8px; }
.panel-corner { display: none; }
.field input,
.field select { border-color: #beced6; border-radius: 10px; transition: border-color .2s ease, box-shadow .2s ease, background .2s ease; }
.field input:hover,
.field select:hover { border-color: #8eaab8; }
.button-full { justify-content: space-between; }

.hero-scroll-cue { bottom: 45px; left: max(44px, calc((100vw - var(--container)) / 2 + 44px)); }
.hero-transition {
  position: absolute;
  z-index: 5;
  right: 50%;
  bottom: 4px;
  min-height: 52px;
  padding: 0 22px;
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--navy);
  background: var(--paper);
  border: 1px solid rgba(6,27,46,.12);
  border-radius: 16px;
  box-shadow: 0 14px 34px rgba(2,17,30,.16);
  transform: translate(50%, 50%);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.hero-transition i { width: 5px; height: 5px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 4px rgba(240,74,35,.1); }
.intro { padding-top: 136px; }

@media (max-width: 1060px) {
  .hero { min-height: 820px; }
  .hero-frame,
  .hero-media,
  .hero-shade,
  .airflow-field { right: auto; left: 50%; width: calc(100% - 38px); }
  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(345px, 385px);
    gap: 30px;
    min-height: 820px;
    padding: 132px 35px 54px;
  }
  .hero h1 { font-size: 76px; }
  .hero-lede { font-size: 14px; }
  .hero-proof { gap: 17px; }
  .comfort-zone { left: 51%; width: 90px; height: 90px; }
  .estimate-panel { padding: 25px 24px 23px; }
  .estimate-panel h2 { font-size: 35px; }
  .hero-scroll-cue { left: 54px; }
}

@media (max-width: 820px) {
  .site-header .brand-crop { width: 205px; height: 60px; padding: 0; }
  .site-header .brand-crop img { width: 198px; }
  .menu-toggle { border-radius: 13px; background: rgba(3,17,30,.28); backdrop-filter: blur(7px); }
  .site-nav .nav-cta { padding-inline: 18px 12px; border: 1px solid #ff775b; border-radius: 14px; }
  .hero { min-height: auto; padding-bottom: 0; }
  .hero-frame,
  .hero-media,
  .hero-shade,
  .airflow-field { top: 12px; right: auto; bottom: 16px; left: 50%; width: calc(100% - 20px); border-radius: 22px; }
  .hero-media {
    background:
      linear-gradient(180deg, rgba(2,17,30,.82), rgba(2,17,30,.93) 47%, rgba(2,17,30,.98)),
      url("../images/optimized/pexels-theshuttervision-11538226.jpg") 58% center/cover no-repeat;
  }
  .airflow-canvas { opacity: .54; mask-image: linear-gradient(180deg, black, rgba(0,0,0,.5) 48%, transparent 76%); }
  .comfort-zone { display: none; }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
    min-height: auto;
    padding: 116px 14px 76px;
  }
  .hero-copy { padding: 0; }
  .hero h1 { max-width: 620px; font-size: clamp(66px, 14vw, 88px); }
  .hero-lede { max-width: 600px; }
  .estimate-panel { max-width: none; }
  .hero-transition { bottom: -1px; }
}

@media (max-width: 560px) {
  .site-header .brand-crop { width: 180px; height: 54px; padding: 0; }
  .site-header .brand-crop img { width: 174px; }
  .hero-grid { gap: 32px; padding: 104px 8px 65px; }
  .hero h1 { font-size: clamp(61px, 18vw, 79px); line-height: .83; }
  .hero-lede { margin-top: 22px; }
  .hero-actions { gap: 15px; margin-top: 24px; }
  .hero-actions .button { width: 100%; justify-content: space-between; }
  .hero-proof { margin-top: 29px; }
  .hero-proof span { width: auto; flex: 1 1 30%; font-size: 9px; }
  .estimate-panel { margin-inline: 0; padding: 24px 20px 22px; border-radius: 18px; }
  .hero-transition { width: calc(100% - 48px); justify-content: center; gap: 10px; padding-inline: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .airflow-canvas { display: none; }
  .comfort-zone { opacity: .72; }
}

/* Services revision: the three parts of comfort */
.intro {
  position: relative;
  padding: 150px 0 138px;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 18%, rgba(7,143,209,.055), transparent 26%),
    var(--paper);
}
.intro::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: min(calc(100% - 48px), var(--container));
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(6,27,46,.12) 18%, rgba(6,27,46,.12) 82%, transparent);
  translate: -50% 0;
}
.intro-grid {
  grid-template-columns: 270px minmax(0, 1fr);
  gap: 74px;
  align-items: start;
}
.intro .section-kicker { padding-top: 8px; }
.intro .section-kicker span {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(255,255,255,.5);
}
.intro-copy { max-width: 900px; }
.intro-copy h2 {
  max-width: 900px;
  font-size: clamp(64px, 6.1vw, 88px);
  line-height: .88;
}
.services-title-line { display: block; overflow: hidden; padding: 0 .03em .05em 0; }
.services-title-line > span { display: block; }
.services-title-line.accent > span { color: var(--orange); }
.intro-copy > p:last-child { max-width: 690px; margin-top: 31px; font-size: 16px; line-height: 1.75; }

.services-stage {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(350px, .8fr);
  gap: 18px;
  align-items: stretch;
  margin-top: 84px;
}
.service-feature,
.service-mini {
  border-radius: 24px;
  overflow: hidden;
  transition: border-color .28s ease, box-shadow .28s ease;
}
.service-feature {
  min-height: 800px;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 520px minmax(280px, auto);
  background: var(--ink);
  border: 1px solid rgba(6,27,46,.1);
  box-shadow: 0 24px 58px rgba(6,27,46,.13);
}
.service-feature:hover { box-shadow: 0 32px 72px rgba(6,27,46,.18); }
.service-image {
  min-height: 0;
  background-position: center 57%;
  transform: scale(1.035);
  transition: transform .8s var(--ease), filter .6s ease;
}
.service-feature:hover .service-image { transform: scale(1.065); filter: saturate(.92) contrast(1.04); }
.service-image::after {
  background:
    linear-gradient(180deg, rgba(6,27,46,.08), rgba(6,27,46,.56)),
    linear-gradient(90deg, rgba(6,27,46,.16), transparent 42%);
}
.image-cooling { filter: saturate(.78) contrast(1.02); }
.image-tag {
  top: 28px;
  right: auto;
  bottom: auto;
  left: 28px;
  padding: 10px 14px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 12px;
  background: rgba(3,17,30,.7);
  backdrop-filter: blur(8px);
}
.image-tag i { width: 6px; height: 6px; border-radius: 50%; background: #60d6ff; box-shadow: 0 0 0 4px rgba(96,214,255,.13); }
.image-caption {
  position: absolute;
  z-index: 1;
  right: 27px;
  bottom: 24px;
  color: rgba(255,255,255,.72);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.service-copy {
  padding: 38px 44px 40px;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(250px, .88fr);
  grid-template-rows: auto 1fr auto;
  column-gap: 45px;
  color: white;
}
.service-meta {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: rgba(255,255,255,.62);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.service-copy .service-meta { grid-column: 1 / -1; margin-bottom: 28px; }
.service-num { color: var(--orange); }
.service-copy h3 {
  grid-row: 2 / 4;
  align-self: end;
  margin: 0;
  max-width: 430px;
  font-size: clamp(48px, 4vw, 62px);
  line-height: .88;
}
.service-copy > p {
  align-self: end;
  margin: 0 0 24px;
  color: #becbd4;
  font-size: 13px;
  line-height: 1.65;
}
.service-link {
  width: 100%;
  margin: 0;
  padding-top: 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255,255,255,.2);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .04em;
}
.service-link span {
  width: 30px;
  height: 30px;
  margin: 0;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 50%;
  color: white;
  transition: transform .25s var(--ease), background .25s ease;
}
.service-link:hover span { transform: translate(2px,-2px); background: rgba(255,255,255,.14); }

.service-pair { display: grid; grid-template-columns: 1fr; grid-template-rows: 1fr 1fr; gap: 18px; }
.service-mini {
  position: relative;
  min-height: 391px;
  padding: 34px 34px 31px;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(6,27,46,.1);
}
.service-mini .service-meta { margin-bottom: 22px; }
.service-mini h3 {
  position: relative;
  z-index: 1;
  max-width: 360px;
  margin: auto 0 13px;
  font-size: clamp(38px, 3.2vw, 48px);
  line-height: .9;
}
.service-mini > p {
  position: relative;
  z-index: 1;
  max-width: 420px;
  margin: 0 0 22px;
  font-size: 12px;
  line-height: 1.6;
}
.service-mini .service-link { position: relative; z-index: 1; }
.service-heat {
  color: white;
  background: linear-gradient(145deg, #f04a23, #d93616);
  box-shadow: 0 22px 50px rgba(217,54,22,.2);
}
.service-heat .service-num,
.service-heat .service-link span { color: white; }
.service-heat .service-link span { border-color: rgba(255,255,255,.4); }
.service-heat .service-meta { color: rgba(255,255,255,.72); }
.heat-rings {
  position: absolute;
  top: -88px;
  right: -84px;
  width: 270px;
  height: 270px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50%;
}
.heat-rings::before,
.heat-rings::after { content: ""; position: absolute; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; }
.heat-rings::before { inset: 35px; }
.heat-rings::after { inset: 72px; }
.service-air { color: white; background: #082d4c; }
.mini-photo {
  opacity: .58;
  background:
    linear-gradient(180deg, rgba(3,17,30,.12), rgba(3,17,30,.86)),
    url("../images/optimized/pexels-bingqian-li-230971044-32032996.jpg") center/cover;
  transform: scale(1.06);
  transition: transform .8s var(--ease), opacity .5s ease;
}
.service-air:hover .mini-photo { opacity: .68; transform: scale(1.1); }
.service-air .service-meta { color: rgba(255,255,255,.7); }
.service-air .service-num { color: #6bd8ff; }

@media (max-width: 1060px) {
  .intro { padding: 126px 0 112px; }
  .intro-grid { grid-template-columns: 215px minmax(0, 1fr); gap: 45px; }
  .intro-copy h2 { font-size: 68px; }
  .services-stage { grid-template-columns: minmax(0, 1.35fr) minmax(300px, .75fr); gap: 14px; margin-top: 68px; }
  .service-feature { min-height: 720px; grid-template-rows: 450px minmax(270px, auto); }
  .service-copy { padding: 32px; grid-template-columns: 1fr; grid-template-rows: auto auto auto auto; gap: 0; }
  .service-copy .service-meta { margin-bottom: 20px; }
  .service-copy h3 { grid-row: auto; margin-bottom: 18px; font-size: 48px; }
  .service-copy > p { margin-bottom: 18px; }
  .service-pair { gap: 14px; }
  .service-mini { min-height: 353px; padding: 29px 27px 26px; }
  .service-mini h3 { font-size: 38px; }
}

@media (max-width: 820px) {
  .intro-grid { grid-template-columns: 1fr; gap: 34px; }
  .intro .section-kicker { padding-top: 0; }
  .intro-copy { max-width: 720px; }
  .services-stage { grid-template-columns: 1fr; }
  .service-feature { min-height: 700px; grid-template-rows: 430px minmax(270px, auto); }
  .service-pair { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr; }
  .service-mini { min-height: 390px; }
}

@media (max-width: 560px) {
  .intro { padding: 105px 0 88px; }
  .intro::before { width: calc(100% - 32px); }
  .intro-grid { gap: 28px; }
  .intro-copy h2 { font-size: 52px; }
  .intro-copy > p:last-child { margin-top: 24px; font-size: 14px; }
  .services-stage { width: min(calc(100% - 32px), var(--container)); margin-top: 48px; gap: 13px; }
  .service-feature { min-height: 670px; grid-template-rows: 365px minmax(305px, auto); border-radius: 20px; }
  .service-copy { padding: 28px 24px 25px; }
  .service-copy h3 { font-size: 44px; }
  .image-tag { top: 18px; left: 18px; }
  .image-caption { right: 18px; bottom: 17px; }
  .service-pair { grid-template-columns: 1fr; gap: 13px; }
  .service-mini { min-height: 350px; padding: 28px 24px 25px; border-radius: 20px; }
  .service-mini h3 { font-size: 42px; }
}

@media (prefers-reduced-motion: reduce) {
  .service-image,
  .mini-photo { transform: none; }
}

/* Remaining homepage: diagnostic, process, FAQ, and closing */
.control-section {
  min-height: 0;
  padding: 0 0 132px;
  color: white;
  background: var(--paper);
  overflow: visible;
}
.control-shell {
  position: relative;
  min-height: 780px;
  overflow: hidden;
  border: 1px solid rgba(98,190,231,.15);
  border-radius: 28px;
  background: #061727;
  box-shadow: 0 34px 80px rgba(6,27,46,.2);
}
.control-image {
  inset: 0;
  opacity: .32;
  background:
    linear-gradient(90deg, #061727 7%, rgba(6,23,39,.84) 42%, rgba(6,23,39,.38) 76%, #061727),
    url("../images/optimized/pexels-chris-f-38966-10640145.jpg") center/cover;
  filter: contrast(1.12);
  transform: scale(1.04);
  will-change: background-position;
}
.control-shell::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .08;
  background-image: linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px);
  background-size: 98px 98px;
  mask-image: linear-gradient(90deg, black, transparent 72%);
  pointer-events: none;
}
.control-grid {
  position: relative;
  z-index: 1;
  grid-template-columns: minmax(0, 1.06fr) minmax(420px, .82fr);
  gap: 66px;
  min-height: 780px;
  padding: 72px 64px 68px;
}
.control-copy { position: relative; z-index: 2; }
.control-index {
  margin: 0 0 40px;
  color: rgba(255,255,255,.42);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.control-copy h2 {
  max-width: 700px;
  margin: 0;
  font: 700 clamp(60px, 5.8vw, 82px)/.88 var(--display);
  letter-spacing: -.04em;
  text-transform: uppercase;
}
.control-title-line { display: block; overflow: hidden; padding: 0 .04em .05em 0; }
.control-title-line > span { display: block; }
.control-title-line.accent > span { color: #66d5ff; }
.control-copy > p:not(.eyebrow):not(.control-index) { max-width: 585px; margin: 28px 0 32px; color: #bfd0db; font-size: 15px; }
.control-copy .button-light {
  padding-right: 12px;
  border-color: rgba(255,255,255,.5);
  box-shadow: 0 16px 36px rgba(0,0,0,.18);
}
.control-copy .button-light span { color: white; background: var(--orange); }

.comfort-dial { min-height: 520px; }
.dial-axis {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1px;
  height: 86%;
  background: linear-gradient(transparent, rgba(255,255,255,.16), transparent);
  transform: translate(-50%,-50%) rotate(28deg);
}
.dial-axis span,
.dial-axis i { position: absolute; left: 50%; width: 7px; height: 7px; border-radius: 50%; transform: translateX(-50%); }
.dial-axis span { top: 9%; background: #65d5ff; box-shadow: 0 0 0 7px rgba(101,213,255,.1); }
.dial-axis i { bottom: 9%; background: var(--orange); box-shadow: 0 0 0 7px rgba(240,74,35,.1); }
.dial-rings {
  width: 360px;
  height: 360px;
  border-color: rgba(255,255,255,.22);
  box-shadow: 0 0 80px rgba(31,155,212,.1);
}
.dial-rings::before { inset: 40px; border-color: rgba(89,203,249,.32); }
.dial-rings::after { inset: 82px; border-color: rgba(240,74,35,.45); }
.dial-core {
  inset: 112px;
  background: rgba(250,252,252,.96);
  box-shadow: 0 0 70px rgba(24,143,201,.24);
}
.dial-core strong { font-size: 25px; }
.dial-label {
  padding: 9px 12px;
  border: 1px solid rgba(255,255,255,.17);
  border-radius: 11px;
  background: rgba(3,17,30,.42);
  backdrop-filter: blur(6px);
}
.dial-label-one { top: 7%; left: 4%; }
.dial-label-two { top: 44%; right: -1%; }
.dial-label-three { bottom: 7%; left: 9%; }

.process {
  padding: 132px 0 138px;
  background: var(--ice);
}
.process-heading {
  grid-template-columns: 270px minmax(0, 1fr);
  gap: 74px;
}
.process-heading .section-kicker span { width: 42px; height: 42px; border-radius: 12px; background: rgba(255,255,255,.54); }
.process-heading h2 {
  max-width: 870px;
  margin: 0;
  font-size: clamp(58px, 5.7vw, 82px);
  line-height: .9;
}
.process-list { margin-top: 82px; border-top-color: rgba(6,27,46,.22); }
.process-list li {
  position: relative;
  grid-template-columns: 110px 1fr;
  min-height: 180px;
  border-bottom-color: rgba(6,27,46,.18);
  transition: background .3s ease, padding .3s var(--ease);
}
.process-list li::before {
  content: "";
  position: absolute;
  inset: 0;
  background: white;
  opacity: 0;
  transform: scaleX(.97);
  transition: opacity .3s ease, transform .3s var(--ease);
}
.process-list li:hover::before { opacity: .55; transform: scaleX(1); }
.process-list > li > span { position: relative; z-index: 1; font-size: 11px; letter-spacing: .14em; }
.process-list li div {
  position: relative;
  z-index: 1;
  grid-template-columns: minmax(300px, .9fr) minmax(310px, 1fr) 44px;
  gap: 54px;
}
.process-list h3 { font-size: 39px; }
.process-list p { max-width: 560px; line-height: 1.65; }
.process-list li i {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  align-self: center;
  border: 1px solid rgba(6,27,46,.18);
  border-radius: 50%;
  color: var(--orange);
  font-style: normal;
  transition: color .25s ease, background .25s ease, transform .25s var(--ease);
}
.process-list li:hover i { color: white; background: var(--orange); transform: translate(2px,-2px); }

.image-break {
  min-height: 0;
  padding: 0 0 132px;
  display: block;
  color: white;
  background: var(--ice);
}
.image-break-frame {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: flex-end;
  padding: 56px 58px;
  overflow: hidden;
  border-radius: 28px;
  background:
    linear-gradient(90deg, rgba(3,17,30,.84), rgba(3,17,30,.18) 62%, rgba(3,17,30,.08)),
    url("../images/optimized/pexels-baikoo-30210086.jpg") center 54%/cover;
  box-shadow: 0 30px 74px rgba(6,27,46,.17);
  will-change: background-position;
}
.image-break-frame::before {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 18px;
  pointer-events: none;
}
.image-break-copy { position: relative; z-index: 1; }
.image-break-copy span { margin-bottom: 16px; color: #c9e8f6; }
.image-break-copy strong { font-size: clamp(62px, 6.4vw, 92px); }
.image-break-marker {
  position: absolute;
  z-index: 1;
  top: 42px;
  right: 42px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,.72);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.image-break-marker span { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.3); border-radius: 11px; color: var(--orange); }
.image-break-marker p { margin: 0; }

.faq {
  padding: 132px 0 140px;
  background:
    radial-gradient(circle at 12% 18%, rgba(7,143,209,.055), transparent 26%),
    var(--paper);
}
.faq-grid { grid-template-columns: minmax(340px, .72fr) minmax(0, 1fr); gap: 110px; }
.faq-heading { top: 70px; }
.faq-heading h2 { max-width: 480px; font-size: clamp(58px, 5.4vw, 78px); }
.faq-heading > p:not(.eyebrow) { margin-top: 26px; line-height: 1.7; }
.dark-link { margin-top: 24px; }
.faq-item { border-top-color: rgba(6,27,46,.18); }
.faq-item:last-child { border-bottom-color: rgba(6,27,46,.18); }
.faq-item button {
  min-height: 112px;
  padding: 25px 0;
  display: grid;
  grid-template-columns: 38px 1fr 34px;
  gap: 22px;
  transition: color .25s ease, padding .3s var(--ease);
}
.faq-item button:hover,
.faq-item button[aria-expanded="true"] { color: var(--navy); padding-left: 12px; padding-right: 12px; }
.faq-item button b { color: var(--orange); font: 800 9px/1 var(--body); letter-spacing: .12em; }
.faq-item button span { max-width: 650px; }
.faq-item button i { width: 34px; height: 34px; border-color: rgba(6,27,46,.2); }
.faq-item button[aria-expanded="true"] i { color: white; background: var(--orange); border-color: var(--orange); }
.faq-item button[aria-expanded="true"] i::before,
.faq-item button[aria-expanded="true"] i::after { background: white; }
.faq-answer { padding: 0 70px 30px 72px; font-size: 14px; line-height: 1.7; }

.closing {
  padding: 0 0 24px;
  color: white;
  background: var(--paper);
  overflow: visible;
}
.closing-grid {
  position: relative;
  min-height: 560px;
  padding: 70px 68px 64px;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 80px;
  overflow: hidden;
  border-radius: 28px;
  background: linear-gradient(135deg, #f04a23, #d93616);
  box-shadow: 0 30px 80px rgba(217,54,22,.22);
}
.closing-lines { left: -8%; top: -125px; width: 64%; height: 440px; }
.closing-copy { position: relative; z-index: 1; align-self: center; }
.closing-copy h2 { max-width: 800px; font-size: clamp(82px, 8vw, 114px); }
.closing-copy > p:last-child { font-size: 16px; }
.closing-action {
  position: relative;
  z-index: 1;
  min-height: 235px;
  padding: 28px;
  display: grid;
  grid-template-columns: 1fr 52px;
  grid-template-rows: auto 1fr;
  gap: 20px;
  align-self: end;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 20px;
  background: var(--ink);
  box-shadow: 0 22px 48px rgba(3,17,30,.24);
  transition: transform .3s var(--ease), box-shadow .3s ease;
}
.closing-action:hover { transform: translateY(-5px); box-shadow: 0 30px 58px rgba(3,17,30,.3); }
.closing-action small { grid-column: 1 / -1; color: #83cde9; font-size: 9px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.closing-action span { max-width: 245px; align-self: end; font-size: 39px; }
.closing-action b { width: 52px; height: 52px; align-self: end; border-radius: 50%; transition: transform .25s var(--ease); }
.closing-action:hover b { transform: translate(3px,-3px); }

.site-footer { padding: 82px 0 24px; }
.footer-grid { grid-template-columns: 1.35fr .55fr .55fr 1fr; gap: 68px; }
.footer-logo { width: 230px; height: 92px; overflow: visible; }
.footer-logo img {
  width: 225px;
  filter: brightness(0) invert(1) drop-shadow(0 2px 8px rgba(0,0,0,.24));
  opacity: .95;
}
.footer-grid a { transition: color .2s ease, transform .2s ease; }
.footer-grid a:hover { color: white; transform: translateX(3px); }

@media (max-width: 1060px) {
  .control-section { padding-bottom: 112px; }
  .control-shell,
  .control-grid { min-height: 720px; }
  .control-grid { grid-template-columns: minmax(0, 1fr) minmax(345px, .78fr); gap: 30px; padding: 58px 42px; }
  .control-copy h2 { font-size: 62px; }
  .comfort-dial { min-height: 470px; }
  .dial-rings { width: 310px; height: 310px; }
  .dial-rings::after { inset: 72px; }
  .dial-core { inset: 96px; }
  .process { padding: 112px 0 118px; }
  .process-heading { grid-template-columns: 215px minmax(0,1fr); gap: 45px; }
  .process-heading h2 { font-size: 64px; }
  .process-list li div { grid-template-columns: minmax(240px,.8fr) minmax(270px,1fr) 42px; gap: 30px; }
  .image-break { padding-bottom: 112px; }
  .image-break-frame { min-height: 560px; }
  .faq { padding: 112px 0 120px; }
  .faq-grid { grid-template-columns: minmax(290px,.65fr) minmax(0,1fr); gap: 60px; }
  .closing-grid { min-height: 500px; padding: 54px 48px; grid-template-columns: minmax(0,1fr) 320px; gap: 40px; }
  .closing-copy h2 { font-size: 84px; }
  .footer-grid { gap: 34px; }
}

@media (max-width: 820px) {
  .control-shell { min-height: 0; }
  .control-grid { grid-template-columns: 1fr; min-height: 0; padding: 72px 44px 46px; }
  .control-copy { max-width: 680px; }
  .comfort-dial { min-height: 470px; }
  .process-heading { grid-template-columns: 1fr; gap: 34px; }
  .process-list li { grid-template-columns: 70px 1fr; }
  .process-list li div { grid-template-columns: 1fr 44px; gap: 12px 24px; padding: 30px 0; }
  .process-list h3 { grid-column: 1; }
  .process-list p { grid-column: 1; }
  .process-list li i { grid-column: 2; grid-row: 1 / 3; }
  .image-break-frame { min-height: 520px; padding: 46px 42px; }
  .faq-grid { grid-template-columns: 1fr; gap: 64px; }
  .faq-heading { position: static; }
  .faq-heading h2 { max-width: 650px; }
  .closing-grid { grid-template-columns: 1fr; min-height: 0; gap: 50px; }
  .closing-copy { max-width: 700px; }
  .closing-action { width: 100%; max-width: 420px; min-height: 190px; }
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; }
}

@media (max-width: 560px) {
  .control-section { padding-bottom: 88px; }
  .control-shell { width: calc(100% - 20px); border-radius: 22px; }
  .control-grid { padding: 58px 22px 28px; }
  .control-index { margin-bottom: 28px; }
  .control-copy h2 { font-size: 51px; }
  .control-copy > p:not(.eyebrow):not(.control-index) { font-size: 14px; }
  .comfort-dial { min-height: 390px; margin-inline: -10px; }
  .dial-rings { width: 270px; height: 270px; }
  .dial-rings::before { inset: 33px; }
  .dial-rings::after { inset: 64px; }
  .dial-core { inset: 84px; }
  .dial-label { padding: 7px 9px; font-size: 8px; }
  .process { padding: 88px 0 94px; }
  .process-heading h2 { font-size: 50px; }
  .process-list { margin-top: 54px; }
  .process-list li { grid-template-columns: 42px 1fr; min-height: 0; }
  .process-list li div { grid-template-columns: 1fr; gap: 10px; padding: 28px 0; }
  .process-list h3 { font-size: 31px; }
  .process-list p { font-size: 13px; }
  .process-list li i { display: none; }
  .image-break { padding-bottom: 88px; }
  .image-break-frame { width: calc(100% - 20px); min-height: 500px; padding: 34px 27px; border-radius: 22px; background-position: 62% 54%; }
  .image-break-frame::before { inset: 10px; border-radius: 14px; }
  .image-break-copy strong { font-size: 54px; }
  .image-break-marker { top: 24px; right: 24px; }
  .image-break-marker p { display: none; }
  .faq { padding: 88px 0 94px; }
  .faq-grid { gap: 50px; }
  .faq-heading h2 { font-size: 50px; }
  .faq-item button { min-height: 98px; grid-template-columns: 28px 1fr 32px; gap: 12px; font-size: 21px; }
  .faq-item button:hover,
  .faq-item button[aria-expanded="true"] { padding-left: 5px; padding-right: 5px; }
  .faq-answer { padding: 0 40px 26px 45px; font-size: 13px; }
  .closing { padding-bottom: 12px; }
  .closing-grid { width: calc(100% - 20px); padding: 54px 24px 24px; gap: 42px; border-radius: 22px; }
  .closing-copy h2 { font-size: 67px; }
  .closing-copy > p:last-child { font-size: 14px; }
  .closing-action { min-height: 170px; padding: 23px; }
  .closing-action span { font-size: 34px; }
  .site-footer { padding-top: 70px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .control-image { transform: none; }
}

/* On mobile, the full-screen menu leads with the appointment action. */
@media (max-width: 820px) {
  .site-nav .nav-cta { order: -1; margin: 0 0 24px; }
}

/* Comfort in Motion: approved HVAC visual slice */
html,
body { overflow-x: hidden; }

:root {
  --ink: #061827;
  --navy: #0a3558;
  --blue: #64c7ed;
  --ice: #dff3f8;
  --paper: #f4f0e7;
  --orange: #f25432;
  --orange-deep: #d83d20;
  --amber: #efa45f;
  --display: "Montserrat", sans-serif;
  --body: "Inter", sans-serif;
  --container: 1320px;
  --visual: 1440px;
}

.utility-bar { background: #03111d; }
.utility-inner { font-family: var(--body); }
.utility-inner > p:last-child { color: rgba(255,255,255,.48); }

.site-header { height: 88px; border-bottom-color: rgba(255,255,255,.18); }
.site-header .brand,
.site-header .brand-crop { width: 204px; height: 62px; }
.site-header .brand-crop img { width: 198px; }
.site-nav { gap: 26px; font-size: 12px; }
.nav-phone { display: grid; gap: 2px; padding-left: 24px; border-left: 1px solid rgba(255,255,255,.22); }
.nav-phone small { color: rgba(255,255,255,.56); font-size: 8px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.nav-phone strong { color: white; font-size: 13px; }
.nav-cta { min-height: 50px; padding: 0 18px; gap: 18px; border-color: rgba(255,255,255,.24); border-radius: 14px; }

.hero { min-height: 930px; overflow: hidden; background: #03111d; }
.hero-frame,
.hero-media,
.hero-shade,
.airflow-field {
  top: 20px;
  bottom: 20px;
  width: min(calc(100% - 32px), var(--visual));
  border-radius: 30px;
}
.hero-frame { background: #0b2030; border-color: rgba(255,255,255,.12); }
.hero-media {
  background: url("../images/optimized/hvac-comfort-motion-hero-v2.png") center / cover no-repeat;
  filter: saturate(.9) contrast(1.02);
}
.hero-media::after { display: none; }
.hero-shade {
  background:
    linear-gradient(90deg, rgba(3,17,29,.7) 0%, rgba(3,17,29,.26) 35%, rgba(3,17,29,.05) 59%, rgba(3,17,29,.18) 100%),
    linear-gradient(180deg, rgba(3,17,29,.14) 56%, rgba(3,17,29,.72) 100%);
}
.airflow-field { top: 20px; inset-block-end: 20px; opacity: .72; mix-blend-mode: screen; }
.hero-grid {
  grid-template-columns: minmax(0,1fr) 430px;
  gap: 84px;
  min-height: 930px;
  padding: 154px 34px 70px;
}
.hero-copy { align-self: center; max-width: 690px; padding-top: 20px; }
.hero h1 {
  max-width: 690px;
  font-family: var(--display);
  font-size: clamp(62px,5.55vw,86px);
  font-weight: 800;
  line-height: .96;
  letter-spacing: -.06em;
  text-transform: none;
}
.hero-title-line { padding-bottom: .08em; }
.hero-title-line em { color: #ff7557; font-style: normal; }
.hero-lede { max-width: 590px; margin-top: 28px; color: rgba(255,255,255,.78); font-size: 17px; line-height: 1.65; }
.hero-actions { margin-top: 30px; gap: 24px; }
.button { min-height: 56px; border-radius: 14px; }
.button-hot { border: 1px solid #ff8064; box-shadow: 0 14px 34px rgba(242,84,50,.25); }
.button-hot:hover { transform: translateY(-2px); box-shadow: 0 18px 42px rgba(242,84,50,.34); }
.text-link { padding: 10px 0; }
.hero-proof { margin-top: 38px; gap: 24px; color: rgba(255,255,255,.66); }
.hero-proof span { gap: 8px; }
.hero-proof i { width: 6px; height: 6px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 5px rgba(100,199,237,.12); }
.hero-proof span:last-child i { background: var(--amber); box-shadow: 0 0 0 5px rgba(239,164,95,.12); }
.hero-proof strong { font-size: 10px; letter-spacing: .08em; }

.estimate-panel {
  align-self: center;
  padding: 30px;
  color: var(--ink);
  background: rgba(248,246,239,.97);
  border: 1px solid rgba(255,255,255,.72);
  border-radius: 24px;
  box-shadow: 0 32px 90px rgba(2,15,25,.34);
  backdrop-filter: blur(8px);
}
.estimate-panel::before { left: 30px; width: 72px; background: linear-gradient(90deg,var(--blue),var(--orange)); }
.estimate-panel::after { display: none; }
.panel-topline { margin-bottom: 22px; color: #557080; }
.panel-topline span:last-child { color: var(--orange-deep); }
.estimate-panel h2 { max-width: 370px; font: 800 31px/1.08 var(--display); letter-spacing: -.045em; text-transform: none; }
.estimate-panel > p { max-width: 360px; margin-top: 12px; color: #66757e; font-size: 13px; line-height: 1.55; }
.estimate-panel form { margin-top: 22px; }
.field-row { gap: 12px; }
.field label { margin-bottom: 7px; font-size: 8px; letter-spacing: .12em; }
.field input,
.field select { height: 50px; border-color: #c9d1d2; border-radius: 11px; background: #fffdfa; }
.field input:focus,
.field select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(100,199,237,.2); }
.button-full { margin-top: 3px; }
.hero-caption { position: absolute; z-index: 4; right: max(34px,calc((100vw - min(var(--visual),calc(100vw - 32px))) / 2 + 26px)); bottom: 34px; margin: 0; color: rgba(255,255,255,.42); font-size: 8px; letter-spacing: .11em; text-transform: uppercase; }

.comfort-journey { padding: 142px 0 150px; overflow: hidden; background: var(--paper); }
.journey-head { display: grid; grid-template-columns: 190px minmax(0,1.1fr) minmax(280px,.58fr); gap: 56px; align-items: end; }
.journey-index { align-self: start; margin: 11px 0 0; color: var(--orange-deep); font-size: 10px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.journey-head h2 { margin: 0; max-width: 730px; color: var(--ink); font: 800 clamp(48px,4.7vw,70px)/.98 var(--display); letter-spacing: -.055em; }
.journey-head h2 span { color: var(--orange); }
.journey-head > p:last-child { margin: 0 0 5px; color: #5d6c73; font-size: 16px; line-height: 1.7; }
.room-map {
  position: relative;
  min-height: 430px;
  margin-top: 82px;
  display: grid;
  grid-template-columns: repeat(3,1fr);
  grid-template-rows: 1fr 104px;
  overflow: hidden;
  color: white;
  background: var(--ink);
  border: 1px solid rgba(6,24,39,.18);
  border-radius: 28px;
  box-shadow: 0 26px 70px rgba(6,24,39,.14);
}
.room-map::before { content: ""; position: absolute; inset: 0; opacity: .12; background-image: linear-gradient(rgba(255,255,255,.14) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.14) 1px,transparent 1px); background-size: 52px 52px; }
.room-flow { position: absolute; z-index: 2; top: 80px; left: 3%; width: 94%; height: 210px; overflow: visible; pointer-events: none; }
.room-flow path { fill: none; stroke: url("#none"); stroke: var(--blue); stroke-width: 3; stroke-linecap: round; filter: drop-shadow(0 0 9px rgba(100,199,237,.65)); }
.room-zone { position: relative; z-index: 1; min-height: 326px; padding: 42px; display: flex; flex-direction: column; justify-content: flex-end; border-right: 1px solid rgba(255,255,255,.16); }
.room-zone:nth-of-type(3) { border-right: 0; }
.room-zone::before { content: ""; position: absolute; top: 36px; left: 42px; width: 10px; height: 10px; border: 2px solid currentColor; border-radius: 50%; box-shadow: 0 0 0 8px rgba(255,255,255,.04); }
.room-zone > span { color: rgba(255,255,255,.57); font-size: 9px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.room-zone strong { margin-top: 10px; font: 700 62px/.9 var(--display); letter-spacing: -.06em; }
.room-zone p { margin: 12px 0 0; color: rgba(255,255,255,.7); font-size: 13px; }
.zone-cool { color: #8addfb; background: linear-gradient(145deg,rgba(26,118,164,.18),transparent 65%); }
.zone-balanced { color: white; background: rgba(255,255,255,.025); }
.zone-warm { color: #ff9b78; background: linear-gradient(225deg,rgba(242,84,50,.2),transparent 65%); }
.room-map-action { position: relative; z-index: 3; grid-column: 1 / -1; padding: 0 40px; display: flex; align-items: center; justify-content: space-between; gap: 30px; background: #fff; color: var(--ink); }
.room-map-action p { margin: 0; font: 700 18px/1.3 var(--display); }
.room-map-action a { padding-bottom: 7px; color: var(--orange-deep); border-bottom: 1px solid currentColor; font-size: 12px; font-weight: 800; }

@media (max-width: 1160px) {
  .nav-phone { display: none; }
  .hero-grid { grid-template-columns: minmax(0,1fr) 395px; gap: 34px; padding-inline: 38px; }
  .hero h1 { font-size: clamp(52px,5.4vw,64px); }
  .journey-head { grid-template-columns: 150px minmax(0,1fr); }
  .journey-head > p:last-child { grid-column: 2; max-width: 650px; }
}

@media (max-width: 820px) {
  .utility-inner > p:last-child { display: block; }
  .site-header { height: 80px; }
  .site-header .brand,
  .site-header .brand-crop { width: 178px; height: 56px; }
  .site-header .brand-crop img { width: 174px; }
  .site-nav .nav-phone { display: grid; order: -2; width: 100%; margin-bottom: 22px; padding: 0 0 18px; border: 0; border-bottom: 1px solid rgba(255,255,255,.18); }
  .site-nav .nav-phone small { font-size: 10px; }
  .site-nav .nav-phone strong { font-size: 19px; }
  .hero { min-height: 0; padding-bottom: 22px; }
  .hero-frame,
  .hero-media,
  .hero-shade,
  .airflow-field { top: 14px; bottom: auto; width: calc(100% - 20px); height: 735px; border-radius: 24px; }
  .hero-media { background-position: 44% center; }
  .hero-shade { background: linear-gradient(180deg,rgba(3,17,29,.34),rgba(3,17,29,.88) 78%,#03111d 100%),linear-gradient(90deg,rgba(3,17,29,.65),rgba(3,17,29,.08)); }
  .hero-grid { grid-template-columns: 1fr; gap: 24px; min-height: 0; padding: 136px 24px 18px; }
  .hero-copy { min-height: 570px; padding-top: 36px; }
  .hero h1 { max-width: 620px; font-size: clamp(55px,10vw,76px); }
  .hero-lede { max-width: 550px; }
  .estimate-panel { width: min(100%,560px); justify-self: center; }
  .hero-caption { display: none; }
  .comfort-journey { padding: 100px 0 108px; }
  .journey-head { grid-template-columns: 1fr; gap: 24px; }
  .journey-head > p:last-child { grid-column: auto; max-width: 660px; }
  .room-map { grid-template-columns: 1fr; grid-template-rows: repeat(3,190px) 112px; margin-top: 60px; }
  .room-flow { display: none; }
  .room-zone { min-height: 0; padding: 28px 34px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.16); }
  .room-zone::before { top: 28px; left: auto; right: 34px; }
  .room-zone strong { font-size: 48px; }
  .room-map-action { grid-column: auto; padding-inline: 34px; }
}

@media (max-width: 560px) {
  .utility-inner > p:last-child { font-size: 7px; }
  .hero-frame,
  .hero-media,
  .hero-shade,
  .airflow-field { height: 680px; }
  .hero-media { background-position: 43% center; }
  .hero-grid { padding: 122px 18px 12px; }
  .hero-copy { min-height: 555px; padding-top: 30px; }
  .hero h1 { font-size: 36px; line-height: 1.04; }
  .hero-lede { font-size: 15px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 12px; }
  .hero-proof { flex-wrap: wrap; gap: 14px 20px; margin-top: 26px; }
  .estimate-panel { padding: 25px 20px 23px; border-radius: 20px; }
  .estimate-panel h2 { max-width: none; font-size: 24px; }
  .estimate-panel .field-row { grid-template-columns: 1fr; }
  .journey-head h2 { font-size: 45px; }
  .room-map { width: calc(100% - 20px); border-radius: 22px; }
  .room-map-action { align-items: flex-start; flex-direction: column; justify-content: center; gap: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-media { transform: none !important; }
  .room-flow path { stroke-dasharray: none !important; stroke-dashoffset: 0 !important; }
}

/* Comfort in Motion: interactive continuation */
.hero h1 { font-size: clamp(60px,5vw,78px); }

.room-zone {
  width: 100%;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  border-top: 0;
  border-bottom: 0;
  border-left: 0;
  transition: background-color .3s ease, box-shadow .3s ease, transform .3s ease;
}
.room-zone:last-of-type { border-right: 0; }
.room-zone::after {
  content: "Explore room";
  position: absolute;
  top: 34px;
  right: 34px;
  color: rgba(255,255,255,.42);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(5px);
  transition: opacity .25s ease, transform .25s ease;
}
.room-zone:hover::after,
.room-zone:focus-visible::after { opacity: 1; transform: translateY(0); }
.room-zone:hover { background-color: rgba(255,255,255,.04); }
.room-zone.is-active { box-shadow: inset 0 4px 0 currentColor; background-color: rgba(255,255,255,.055); }
.room-zone:focus-visible { z-index: 4; outline: 3px solid white; outline-offset: -5px; }
.room-map-action > div { display: grid; gap: 4px; }
.room-map-action > div > span { color: #60717a; font-size: 11px; }

.comfort-lab {
  position: relative;
  padding: 24px 0 140px;
  overflow: hidden;
  color: white;
  background: var(--paper);
}
.comfort-lab-shell {
  position: relative;
  min-height: 730px;
  display: grid;
  grid-template-columns: minmax(380px,.78fr) minmax(0,1.22fr);
  overflow: hidden;
  background:
    radial-gradient(circle at 76% 42%,rgba(49,145,190,.2),transparent 34%),
    linear-gradient(135deg,#061827,#071f34 66%,#0b2b42);
  border: 1px solid rgba(6,24,39,.2);
  border-radius: 34px;
  box-shadow: 0 35px 85px rgba(6,24,39,.18);
}
.comfort-lab-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .13;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.12) 1px,transparent 1px);
  background-size: 58px 58px;
  mask-image: linear-gradient(90deg,transparent 32%,black);
}
.comfort-lab-copy { position: relative; z-index: 3; padding: 74px 30px 66px 72px; }
.lab-index { margin: 0 0 28px; color: #ff8468; font-size: 10px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.comfort-lab-copy h2 { margin: 0; max-width: 540px; font: 800 clamp(44px,3.8vw,58px)/1 var(--display); letter-spacing: -.055em; }
.comfort-lab-copy h2 span { color: #ff8064; }
.comfort-lab-copy > p:not(.lab-index) { max-width: 520px; margin: 26px 0 0; color: rgba(255,255,255,.65); font-size: 15px; line-height: 1.7; }
.lab-controls { margin-top: 38px; display: grid; gap: 8px; }
.lab-controls button {
  min-height: 70px;
  padding: 13px 16px;
  display: grid;
  grid-template-columns: 10px 110px 1fr;
  gap: 14px;
  align-items: center;
  color: rgba(255,255,255,.6);
  font: inherit;
  text-align: left;
  cursor: pointer;
  background: rgba(255,255,255,.025);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 14px;
  transition: color .25s ease, background-color .25s ease, border-color .25s ease, transform .25s ease;
}
.lab-controls button:hover { color: white; border-color: rgba(255,255,255,.28); transform: translateX(4px); }
.lab-controls button:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }
.lab-controls button.is-active { color: white; background: rgba(100,199,237,.1); border-color: rgba(100,199,237,.5); }
.lab-controls button i { width: 8px; height: 8px; border: 2px solid currentColor; border-radius: 50%; box-shadow: 0 0 0 6px rgba(255,255,255,.04); }
.lab-controls button[data-lab-mode="heat"] i { color: #ff8064; }
.lab-controls button[data-lab-mode="cool"] i { color: #67cff4; }
.lab-controls button[data-lab-mode="air"] i { color: #84e7d2; }
.lab-controls button span { font-size: 13px; font-weight: 800; }
.lab-controls button small { color: rgba(255,255,255,.4); font-size: 10px; }
.lab-readout { margin-top: 28px; padding-left: 18px; border-left: 2px solid var(--blue); }
.lab-readout > span { color: #87cfe9; font-size: 9px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.lab-readout strong { margin-top: 7px; display: block; font: 700 20px/1.2 var(--display); }
.lab-readout p { max-width: 460px; margin: 8px 0 0; color: rgba(255,255,255,.5); font-size: 12px; line-height: 1.55; }

.comfort-lab-visual { position: relative; z-index: 2; min-width: 0; min-height: 730px; overflow: hidden; }
.comfort-lab-visual::before {
  content: "";
  position: absolute;
  left: 7%;
  right: 7%;
  bottom: 19%;
  height: 48%;
  opacity: .28;
  border: 1px solid #6398b2;
  border-top: 0;
  clip-path: polygon(0 22%,50% 0,100% 22%,100% 100%,0 100%);
}
.lab-canvas { position: absolute; inset: 4% 1% 12% -3%; }
.lab-canvas canvas { width: 100%; height: 100%; display: block; }
.lab-room-labels { position: absolute; z-index: 3; left: 8%; right: 8%; bottom: 18%; display: grid; grid-template-columns: repeat(4,1fr); color: rgba(255,255,255,.36); font-size: 8px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.lab-room-labels span { padding: 12px; border-left: 1px solid rgba(255,255,255,.12); }
.lab-legend { position: absolute; z-index: 4; right: 8%; left: 8%; bottom: 7%; display: flex; align-items: center; justify-content: space-between; gap: 20px; color: rgba(255,255,255,.48); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
.lab-legend span { display: flex; align-items: center; gap: 9px; }
.lab-legend i { width: 7px; height: 7px; background: #84e7d2; border-radius: 50%; box-shadow: 0 0 0 6px rgba(132,231,210,.08); }
[data-mode="heat"] .lab-readout { border-left-color: #ff8064; }
[data-mode="cool"] .lab-readout { border-left-color: #67cff4; }
[data-mode="air"] .lab-readout { border-left-color: #84e7d2; }
[data-mode="heat"] .lab-legend i { background: #ff8064; box-shadow: 0 0 0 6px rgba(255,128,100,.08); }
[data-mode="cool"] .lab-legend i { background: #67cff4; box-shadow: 0 0 0 6px rgba(103,207,244,.08); }

.process-heading h2,
.process-list h3,
.faq-heading h2,
.closing-copy h2 { text-transform: none; }
.process-heading h2 { letter-spacing: -.05em; }
.process-list h3 { letter-spacing: -.035em; }

.image-break-frame {
  background:
    linear-gradient(90deg,rgba(3,17,29,.86) 0%,rgba(3,17,29,.58) 34%,rgba(3,17,29,.08) 66%),
    url("../images/optimized/hvac-residential-service-v2.png") center / cover;
}
.image-break-caption { position: absolute; right: 28px; bottom: 22px; margin: 0; color: rgba(255,255,255,.54); font-size: 8px; letter-spacing: .1em; text-transform: uppercase; }

@media (max-width: 1160px) {
  .hero h1 { font-size: clamp(50px,5vw,58px); }
  .comfort-lab-shell { grid-template-columns: minmax(350px,.9fr) minmax(0,1.1fr); }
  .comfort-lab-copy { padding-inline: 48px 20px; }
  .comfort-lab-copy h2 { font-size: 48px; }
  .lab-controls button { grid-template-columns: 10px 90px 1fr; }
}

@media (max-width: 820px) {
  .comfort-lab { padding-bottom: 100px; }
  .comfort-lab-shell { width: calc(100% - 20px); grid-template-columns: 1fr; border-radius: 26px; }
  .comfort-lab-copy { padding: 62px 42px 34px; }
  .comfort-lab-copy h2 { max-width: 650px; font-size: clamp(44px,7vw,58px); }
  .lab-controls { max-width: 640px; grid-template-columns: repeat(3,1fr); }
  .lab-controls button { min-height: 105px; grid-template-columns: 1fr; align-content: center; gap: 8px; }
  .lab-controls button:hover { transform: translateY(-3px); }
  .comfort-lab-visual { min-height: 540px; }
  .lab-canvas { inset: 0 0 10%; }
  .room-zone::after { display: none; }
}

@media (max-width: 560px) {
  .hero h1 { font-size: 36px; }
  .room-map-action { min-height: 142px; padding-block: 22px 26px; }
  .room-map-action > div > span { font-size: 10px; line-height: 1.4; }
  .comfort-lab-copy { padding: 52px 24px 26px; }
  .comfort-lab-copy h2 { font-size: 39px; }
  .process-heading h2 { font-size: 43px; }
  .comfort-lab-copy > p:not(.lab-index) { font-size: 14px; }
  .lab-controls { grid-template-columns: 1fr; }
  .lab-controls button { min-height: 66px; grid-template-columns: 10px 100px 1fr; }
  .comfort-lab-visual { min-height: 430px; }
  .lab-room-labels { left: 4%; right: 4%; }
  .lab-room-labels span { padding: 8px 4px; font-size: 6px; }
  .lab-legend { left: 7%; right: 7%; align-items: flex-start; flex-direction: column; gap: 8px; }
  .image-break-copy strong { max-width: 100%; font-size: 34px; line-height: .94; letter-spacing: -.045em; }
  .image-break-caption { right: 20px; left: 20px; text-align: right; }
  .closing-copy > p:last-child { max-width: 285px; line-height: 1.55; }
}

@media (prefers-reduced-motion: reduce) {
  .lab-controls button { transition: none; }
  .comfort-lab-visual::before { opacity: .42; }
}