:root {
  color-scheme: light;
  --ink: #183334;
  --muted: #607170;
  --paper: #f4f5ef;
  --white: #fff;
  --green: #315f58;
  --green-dark: #183f3b;
  --lime: #c4df88;
  --orange: #eb8952;
  --line: #d9e0d7;
  --shadow: 0 20px 60px rgba(24, 51, 52, .1);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--paper); }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
.skip { position: absolute; top: -100px; left: 1rem; z-index: 30; background: var(--white); padding: .8rem 1rem; }
.skip:focus { top: 1rem; }
.demo-ribbon { padding: .6rem 1rem; text-align: center; color: #f7faf2; background: var(--green-dark); font-size: .76rem; letter-spacing: .04em; }
.demo-ribbon strong { color: var(--lime); }
.header { background: rgba(255,255,255,.96); position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(24,51,52,.08); backdrop-filter: blur(12px); }
.nav-wrap { max-width: 1180px; margin: auto; padding: 0 1.4rem; min-height: 82px; display: flex; align-items: center; gap: 2rem; }
.brand { display: inline-flex; gap: .7rem; align-items: center; text-decoration: none; min-width: 225px; }
.brand-mark { display: grid; place-items: center; width: 43px; height: 43px; border-radius: 14px 14px 14px 4px; color: #fff; background: var(--green); font-size: 1.2rem; font-weight: 800; }
.brand-name { font-size: .87rem; line-height: 1.1; font-weight: 750; letter-spacing: .015em; }
.brand-name small { display: block; margin-top: .3rem; color: var(--muted); font-size: .63rem; font-weight: 550; letter-spacing: .12em; text-transform: uppercase; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 1.35rem; }
.nav a { text-decoration: none; font-size: .87rem; font-weight: 650; color: #385252; }
.nav a:hover, .nav a[aria-current="page"] { color: #a64f24; }
.nav-actions { display: flex; align-items: center; gap: .65rem; }
.phone-link { white-space: nowrap; font-size: .86rem; font-weight: 750; text-decoration: none; }
.menu-toggle { display: none; border: 1px solid var(--line); background: #fff; color: var(--ink); padding: .65rem .8rem; border-radius: 9px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .45rem; border: 0; border-radius: 8px; padding: .92rem 1.15rem; font-size: .91rem; font-weight: 750; line-height: 1; text-decoration: none; cursor: pointer; transition: transform .15s, background .15s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--green-dark); }
.button-primary:hover { background: #24534c; }
.button-secondary { color: var(--ink); background: var(--lime); }
.button-outline { border: 1px solid rgba(24,51,52,.22); color: var(--ink); background: transparent; }
.button-small { padding: .76rem .92rem; font-size: .83rem; }
.container { width: min(1120px, calc(100% - 2.5rem)); margin-inline: auto; }
.eyebrow { display: inline-flex; align-items: center; gap: .5rem; color: #44685d; font-size: .74rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 23px; height: 2px; background: var(--orange); }
.hero { position: relative; overflow: hidden; padding: 4.5rem 0 4rem; background: #e7ede5; }
.hero::before { content: ""; position: absolute; right: -7rem; top: -14rem; width: 37rem; height: 37rem; border: 1px solid rgba(49,95,88,.13); border-radius: 50%; box-shadow: 0 0 0 45px rgba(49,95,88,.035),0 0 0 90px rgba(49,95,88,.025); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 3rem; }
h1,h2,h3,p { margin-top: 0; }
h1 { max-width: 660px; margin-bottom: 1.2rem; font-size: clamp(2.7rem, 5.4vw, 4.75rem); line-height: .99; letter-spacing: -.055em; font-weight: 740; }
h1 em { color: #a85d37; font-style: normal; }
.hero-copy > p { max-width: 550px; margin-bottom: 1.55rem; color: #536b67; font-size: 1.1rem; line-height: 1.7; }
.hero-actions { display: flex; gap: .7rem; flex-wrap: wrap; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 1.1rem; margin-top: 1.55rem; font-size: .78rem; color: #526864; }
.hero-proof span { display: inline-flex; align-items: center; gap: .38rem; }
.check { display: inline-grid; place-items: center; width: 17px; height: 17px; border-radius: 50%; color: #fff; background: #4c7b68; font-size: .68rem; }
.hero-art { min-height: 390px; position: relative; display: grid; place-items: center; }
.art-window { position: relative; width: min(100%, 475px); height: 345px; border-radius: 24px; background: #c7d7ca; overflow: hidden; box-shadow: var(--shadow); }
.art-sun { position: absolute; top: 28px; right: 42px; width: 64px; height: 64px; border-radius: 50%; background: #e7b46f; opacity: .92; }
.art-house { position: absolute; right: 33px; bottom: 0; width: 280px; height: 208px; background: #f3efe2; clip-path: polygon(50% 0,100% 34%,100% 100%,0 100%,0 34%); }
.art-roof { position: absolute; right: 16px; bottom: 174px; width: 315px; height: 145px; background: #41665d; clip-path: polygon(50% 0,100% 72%,91% 83%,50% 28%,9% 83%,0 72%); }
.art-door { position: absolute; right: 143px; bottom: 0; width: 61px; height: 101px; border-radius: 5px 5px 0 0; background: #da8851; }
.art-windowbox { position: absolute; right: 242px; bottom: 78px; width: 45px; height: 45px; border: 5px solid #7b9c87; background: #a7c8c6; }
.art-unit { position: absolute; left: 38px; bottom: 30px; width: 108px; height: 132px; padding: 12px; border-radius: 13px; background: #f8faf5; box-shadow: 0 14px 22px rgba(28,54,49,.15); }
.art-unit::before { content: ""; display: block; width: 100%; height: 75%; border-radius: 8px; background: repeating-linear-gradient(0deg,#b2c6bb 0 3px,transparent 3px 8px),#d9e4dc; }
.art-unit::after { content: ""; display: block; width: 8px; height: 8px; margin: 6px auto 0; border-radius: 50%; background: #76a675; }
.air-line { position: absolute; left: 110px; top: 82px; width: 130px; height: 91px; border-top: 2px solid rgba(255,255,255,.9); border-radius: 50%; transform: rotate(-22deg); }
.air-line::after { content: ""; position: absolute; top: 28px; left: 41px; width: 155px; height: 75px; border-top: 2px solid rgba(255,255,255,.7); border-radius: 50%; }
.art-label { position: absolute; top: 28px; left: 25px; padding: .5rem .7rem; border-radius: 6px; color: #fff; background: rgba(24,63,59,.88); font-size: .7rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.art-caption { position: absolute; left: -1rem; bottom: 2rem; max-width: 220px; padding: .9rem 1rem; border: 1px solid rgba(24,51,52,.08); border-radius: 10px; background: #fff; box-shadow: var(--shadow); font-size: .8rem; line-height: 1.5; }
.art-caption strong { display: block; font-size: .96rem; }
.proof-strip { position: relative; margin-top: -1px; padding: 1.25rem 0; color: #ecf3e9; background: var(--green-dark); }
.proof-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; }
.proof-item { display: flex; gap: .75rem; align-items: center; padding: .35rem .55rem; }
.proof-item + .proof-item { border-left: 1px solid rgba(255,255,255,.14); }
.proof-icon { display: grid; place-items: center; width: 35px; height: 35px; flex: 0 0 35px; border-radius: 11px; color: var(--green-dark); background: var(--lime); font-weight: 800; }
.proof-item b { display: block; font-size: .89rem; }
.proof-item small { display: block; margin-top: .18rem; color: #bed0c6; font-size: .71rem; }
.section { padding: 5.2rem 0; }
.section-tight { padding: 3.8rem 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 2rem; }
.section-head h2, .split-copy h2, .cta-box h2 { max-width: 650px; margin: .55rem 0 0; font-size: clamp(2rem,3.8vw,3.25rem); line-height: 1.04; letter-spacing: -.045em; }
.section-head p { max-width: 440px; margin: 0; color: var(--muted); line-height: 1.65; }
.cards { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; }
.service-card { min-height: 225px; padding: 1.2rem; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.73); text-decoration: none; transition: transform .16s, box-shadow .16s; }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.service-icon { display: grid; place-items: center; width: 43px; height: 43px; margin-bottom: 1.55rem; border-radius: 13px; color: var(--green); background: #e1eade; font-size: 1.13rem; font-weight: 800; }
.service-card h3 { margin-bottom: .5rem; font-size: 1.06rem; }
.service-card p { margin-bottom: .85rem; color: var(--muted); font-size: .86rem; line-height: 1.5; }
.card-arrow { color: #a85d37; font-size: .82rem; font-weight: 800; }
.split { display: grid; grid-template-columns: 1fr .94fr; gap: 4rem; align-items: center; }
.split-panel { padding: 2rem; border-radius: 18px; color: #f5f8f2; background: var(--green-dark); }
.split-panel h3 { margin-bottom: 1rem; font-size: 1.35rem; letter-spacing: -.025em; }
.fact-list { display: grid; gap: .85rem; margin: 0; padding: 0; list-style: none; }
.fact-list li { display: flex; gap: .7rem; align-items: start; color: #d6e2d9; font-size: .89rem; line-height: 1.5; }
.fact-list .check { flex: 0 0 17px; margin-top: .08rem; color: var(--green-dark); background: var(--lime); }
.split-copy p { color: var(--muted); line-height: 1.75; }
.rating { display: inline-flex; align-items: center; gap: .65rem; margin: .35rem 0 1rem; padding: .65rem .8rem; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.stars { color: #b57a2f; letter-spacing: .08em; }
.rating strong { font-size: .91rem; }
.rating small { color: var(--muted); }
.notice { border-left: 3px solid var(--orange); padding: .5rem .8rem; background: rgba(255,255,255,.58); color: #586966; font-size: .78rem; line-height: 1.55; }
.cta-band { padding: 0 0 5rem; }
.cta-box { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 2.1rem 2.3rem; border-radius: 18px; color: #fff; background: #315f58; }
.cta-box h2 { max-width: 610px; font-size: clamp(1.8rem,3.2vw,2.7rem); }
.cta-box p { margin: .6rem 0 0; color: #d5e4da; }
.page-hero { padding: 4rem 0 3.2rem; background: #e7ede5; }
.page-hero h1 { max-width: 820px; font-size: clamp(2.4rem,5vw,4rem); }
.page-hero p { max-width: 690px; margin: 0; color: #536b67; font-size: 1.05rem; line-height: 1.7; }
.breadcrumb { margin-bottom: 1.2rem; color: #5b746e; font-size: .78rem; }
.breadcrumb a { text-decoration-thickness: 1px; text-underline-offset: 3px; }
.content-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 3rem; align-items: start; }
.prose { max-width: 720px; }
.prose h2 { margin: 2.1rem 0 .8rem; font-size: 1.65rem; letter-spacing: -.03em; }
.prose p, .prose li { color: var(--muted); line-height: 1.75; }
.prose ul { padding-left: 1.2rem; }
.side-card { position: sticky; top: 112px; padding: 1.4rem; border: 1px solid var(--line); border-radius: 14px; background: #fff; box-shadow: 0 12px 35px rgba(24,51,52,.055); }
.side-card h2 { margin-bottom: .6rem; font-size: 1.2rem; }
.side-card p { color: var(--muted); font-size: .9rem; line-height: 1.6; }
.side-card .button { width: 100%; margin-top: .45rem; }
.service-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; }
.service-row { padding: 1.4rem; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.service-row h2 { margin-bottom: .55rem; font-size: 1.2rem; }
.service-row p { margin-bottom: 0; color: var(--muted); line-height: 1.65; }
.contact-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 2.5rem; align-items: start; }
.contact-card { padding: 1.5rem; border-radius: 14px; color: #eef4ed; background: var(--green-dark); }
.contact-card h2 { margin-bottom: .5rem; font-size: 1.4rem; }
.contact-card p { color: #cad9d0; line-height: 1.65; }
.contact-line { display: block; padding: .9rem 0; border-top: 1px solid rgba(255,255,255,.15); color: #fff; text-decoration: none; font-weight: 700; }
.contact-line small { display: block; margin-bottom: .22rem; color: #a9c2b5; font-size: .72rem; font-weight: 550; text-transform: uppercase; letter-spacing: .08em; }
.form-card { padding: 1.65rem; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.form-card h2 { margin-bottom: .55rem; font-size: 1.35rem; }
.form-card > p { color: var(--muted); font-size: .9rem; line-height: 1.55; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { display: grid; gap: .38rem; margin: .55rem 0; }
.field-full { grid-column: 1 / -1; }
.field label { font-size: .81rem; font-weight: 720; }
.field input, .field select, .field textarea { width: 100%; min-height: 46px; border: 1px solid #cbd5cd; border-radius: 7px; padding: .72rem .8rem; background: #fbfcfa; color: var(--ink); }
.field textarea { min-height: 112px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid rgba(76,138,122,.2); border-color: #4c8a7a; }
.form-status { min-height: 1.5rem; margin: .7rem 0 0; color: #315f58; font-size: .85rem; font-weight: 700; }
.form-note { margin: 1rem 0 0; padding: .75rem; border-radius: 7px; color: #675b49; background: #f6f0e3; font-size: .77rem; line-height: 1.5; }
.faq-list { display: grid; gap: .7rem; }
.faq-list details { padding: 1rem 1.1rem; border: 1px solid var(--line); border-radius: 9px; background: #fff; }
.faq-list summary { cursor: pointer; font-weight: 740; }
.faq-list details p { margin: .8rem 0 0; color: var(--muted); line-height: 1.65; }
.footer { padding: 2.7rem 0 1.2rem; color: #e6eee7; background: #183f3b; }
.footer-grid { display: grid; grid-template-columns: 1.3fr .7fr .8fr; gap: 2rem; padding-bottom: 2rem; }
.footer p, .footer a { color: #c6d5cc; font-size: .84rem; line-height: 1.7; }
.footer a { text-decoration-color: rgba(255,255,255,.4); text-underline-offset: 3px; }
.footer h2 { margin-bottom: .8rem; color: #fff; font-size: .88rem; }
.footer-links { display: grid; gap: .35rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; border-top: 1px solid rgba(255,255,255,.15); padding-top: 1rem; color: #abc0b4; font-size: .72rem; }
.preview-page { background: #f4f5ef; }
.preview-hero { padding: 3rem 0 2.2rem; background: #e7ede5; }
.preview-hero h1 { max-width: 800px; font-size: clamp(2.4rem,4.8vw,4rem); }
.preview-note { padding: .85rem 1rem; border: 1px solid #e7c28e; border-radius: 8px; color: #654a2b; background: #fff7e9; font-size: .82rem; line-height: 1.5; }
.comparison { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 1.2rem 0 2rem; }
.compare-card { min-height: 215px; padding: 1.4rem; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.compare-card h2 { margin-bottom: .8rem; font-size: 1.1rem; }
.compare-card ul { margin: 0; padding-left: 1.1rem; color: var(--muted); font-size: .9rem; line-height: 1.8; }
.compare-card.after { color: #edf5ee; background: var(--green-dark); border-color: var(--green-dark); }
.compare-card.after ul { color: #d1e1d6; }
.steps { display: grid; grid-template-columns: repeat(4,1fr); gap: .8rem; counter-reset: step; }
.step { padding: 1.1rem; border: 1px solid var(--line); border-radius: 11px; background: #fff; }
.step::before { counter-increment: step; content: "0" counter(step); display: block; margin-bottom: .8rem; color: #a85d37; font-weight: 800; font-size: .8rem; }
.step h3 { margin-bottom: .4rem; font-size: .97rem; }
.step p { margin: 0; color: var(--muted); font-size: .82rem; line-height: 1.55; }
.price-card { display: flex; justify-content: space-between; align-items: center; gap: 2rem; margin-top: 1.4rem; padding: 1.5rem; border-radius: 13px; color: #fff; background: #315f58; }
.price-card h2 { margin-bottom: .45rem; font-size: 1.2rem; }
.price-card p { margin: 0; color: #d2e1d8; font-size: .87rem; line-height: 1.55; }
.price { white-space: nowrap; font-size: 2rem; font-weight: 800; letter-spacing: -.04em; }
.price small { display: block; font-size: .73rem; font-weight: 600; letter-spacing: 0; text-align: right; }
@media (max-width: 920px) {
  .nav-wrap { gap: .9rem; }
  .brand { min-width: 0; }
  .nav { gap: .85rem; }
  .nav a { font-size: .8rem; }
  .phone-link { display: none; }
  .hero-grid { gap: 1rem; }
  .cards { grid-template-columns: repeat(2,1fr); }
  .proof-grid { grid-template-columns: repeat(2,1fr); }
  .proof-item:nth-child(3) { border-left: 0; }
  .split { gap: 2rem; }
}
@media (max-width: 700px) {
  .nav-wrap { min-height: 68px; padding: 0 1rem; }
  .brand-mark { width: 38px; height: 38px; }
  .brand-name { font-size: .78rem; }
  .brand-name small { font-size: .57rem; }
  .menu-toggle { display: inline-flex; margin-left: auto; }
  .nav { display: none; position: absolute; top: 67px; left: 0; right: 0; margin: 0; padding: .75rem 1rem 1rem; background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 12px 20px rgba(24,51,52,.08); }
  .nav.is-open { display: grid; }
  .nav a { padding: .6rem .2rem; font-size: .93rem; }
  .nav-actions .button { padding: .72rem .8rem; font-size: .78rem; }
  .hero { padding: 3.1rem 0 2.5rem; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy > p { font-size: 1rem; }
  .hero-art { min-height: 310px; margin-top: .7rem; }
  .art-window { height: 285px; }
  .art-house { transform: scale(.82); transform-origin: bottom right; right: 15px; }
  .art-roof { transform: scale(.82); transform-origin: bottom right; right: 0; }
  .art-caption { left: 0; bottom: .5rem; }
  .proof-grid { gap: .4rem; }
  .proof-item { padding: .45rem .15rem; gap: .55rem; }
  .proof-item b { font-size: .78rem; }
  .proof-item small { font-size: .66rem; }
  .section { padding: 3.7rem 0; }
  .section-head { display: block; }
  .section-head p { margin-top: .9rem; }
  .cards { gap: .65rem; }
  .service-card { min-height: 205px; padding: .95rem; }
  .service-icon { margin-bottom: 1rem; }
  .split, .content-grid, .contact-grid { grid-template-columns: 1fr; gap: 1.4rem; }
  .side-card { position: static; }
  .cta-band { padding-bottom: 3.7rem; }
  .cta-box { display: block; padding: 1.6rem; }
  .cta-box .button { margin-top: 1rem; }
  .page-hero { padding: 3rem 0 2.5rem; }
  .service-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .field-full { grid-column: auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 1.3rem; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
  .footer-bottom { display: block; }
  .footer-bottom span { display: block; margin-top: .3rem; }
  .comparison { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .price-card { align-items: start; flex-direction: column; gap: 1rem; }
  .price small { text-align: left; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *,*::before,*::after { transition-duration: .01ms !important; } }

/* Visual refinement: calmer contrast, tighter type scale, and a single clear hero visual. */
:root {
  --ink: #183334;
  --muted: #5e706e;
  --paper: #f7f9f7;
  --white: #fff;
  --green: #3d7168;
  --green-dark: #173f3b;
  --lime: #c9df98;
  --orange: #c76c43;
  --line: #dce5e0;
  --shadow: 0 20px 55px rgba(24,51,52,.12);
  background: var(--paper);
}
body { background: var(--paper); }
.demo-ribbon { padding: .54rem 1rem; font-size: .7rem; letter-spacing: .025em; }
.header { background: rgba(255,255,255,.97); border-bottom-color: #e7ece9; }
.nav-wrap { max-width: 1220px; min-height: 76px; gap: 1.65rem; }
.brand { min-width: 220px; }
.brand-mark { width: 42px; height: 42px; border-radius: 11px; background: #24564f; }
.brand-name { letter-spacing: 0; }
.nav { gap: 1.2rem; }
.nav a { color: #425b58; font-size: .84rem; }
.nav a:hover, .nav a[aria-current="page"] { color: #a95531; }
.nav-actions { gap: .9rem; }
.phone-link { font-size: .82rem; }
.button { border-radius: 7px; }
.button-primary { background: #174b45; }
.button-primary:hover { background: #23645a; }
.container { width: min(1160px, calc(100% - 2.5rem)); }
.hero { padding: 4.35rem 0 3.85rem; background: linear-gradient(112deg,#f2f6f3 0%,#edf3f0 52%,#e8f0ec 100%); }
.hero::before { display: none; }
.hero-grid { grid-template-columns: 1.02fr .98fr; gap: 3.6rem; }
.hero-copy { max-width: 590px; }
h1 { max-width: 610px; font-size: clamp(2.7rem,4.55vw,4.05rem); line-height: 1.025; letter-spacing: -.045em; font-weight: 730; }
h1 em { color: #a95531; }
.hero-copy > p { max-width: 535px; color: #546a66; font-size: 1.04rem; line-height: 1.72; }
.hero-actions { gap: .75rem; }
.hero-proof { gap: .8rem 1.2rem; margin-top: 1.35rem; font-size: .75rem; }
.hero-proof .check { background: #3f7669; }
.hero-art { min-height: 0; display: block; }
.hvac-visual { position: relative; width: 100%; max-width: 520px; margin-left: auto; overflow: hidden; border: 1px solid rgba(30,71,64,.1); border-radius: 24px; background: #d8e6df; box-shadow: 0 24px 58px rgba(28,67,59,.15); }
.hvac-scene { display: block; width: 100%; height: auto; }
.visual-caption { position: absolute; left: 1rem; right: 1rem; bottom: 1rem; display: flex; align-items: center; gap: .75rem; width: fit-content; max-width: calc(100% - 2rem); padding: .8rem 1rem; border: 1px solid rgba(24,51,52,.07); border-radius: 10px; color: var(--ink); background: rgba(255,255,255,.96); box-shadow: 0 9px 25px rgba(24,51,52,.1); }
.visual-caption-icon { display: grid; width: 33px; height: 33px; flex: 0 0 33px; place-items: center; border-radius: 9px; color: #f7faf6; background: #24564f; font-size: 1rem; font-weight: 800; }
.visual-caption strong, .visual-caption small { display: block; }
.visual-caption strong { font-size: .82rem; }
.visual-caption small { margin-top: .2rem; color: #6c7c78; font-size: .68rem; }
.proof-strip { padding: 1.1rem 0; background: #173f3b; }
.proof-grid { grid-template-columns: repeat(4,1fr); }
.proof-item { min-height: 46px; padding: .25rem .6rem; }
.proof-icon { width: 34px; height: 34px; flex-basis: 34px; border-radius: 10px; }
.proof-item b { font-size: .84rem; }
.proof-item small { font-size: .68rem; }
.section { padding: 4.65rem 0; }
.section-tight { padding: 3.25rem 0; }
.section-head { margin-bottom: 1.75rem; }
.section-head h2, .split-copy h2, .cta-box h2 { letter-spacing: -.035em; }
.section-head p { font-size: .93rem; }
.cards { gap: .9rem; }
.service-card { min-height: 218px; padding: 1.25rem; border-radius: 12px; background: #fff; }
.service-card:hover { border-color: #c3d3cc; box-shadow: 0 16px 38px rgba(24,51,52,.1); }
.service-icon { width: 41px; height: 41px; border-radius: 11px; background: #e9f0eb; }
.service-card h3 { font-size: 1rem; }
.service-card p { font-size: .83rem; }
.card-arrow { color: #a95531; }
.split { gap: 3.3rem; }
.split-panel { border-radius: 15px; background: #194641; }
.rating { border-radius: 8px; background: #fff; }
.cta-box { border-radius: 15px; background: #24564f; }
.page-hero { padding: 3.55rem 0 3rem; background: linear-gradient(112deg,#f0f5f1,#e8f0ec); }
.page-hero h1 { max-width: 800px; font-size: clamp(2.45rem,4.45vw,3.65rem); }
.page-hero p { color: #566c68; font-size: 1rem; }
.breadcrumb { color: #617772; }
.service-row, .side-card, .form-card, .compare-card, .step { border-color: #dfe7e2; border-radius: 12px; box-shadow: 0 8px 24px rgba(25,55,49,.035); }
.service-row { padding: 1.5rem; }
.service-row h2 { margin-top: .4rem; font-size: 1.18rem; }
.contact-card { border-radius: 13px; background: #194641; }
.form-card { padding: 1.75rem; }
.field input, .field select, .field textarea { border-radius: 7px; background: #fcfdfc; }
.faq-list details { border-radius: 8px; }
.footer { background: #173d39; }
.preview-hero { padding: 2.7rem 0 2rem; background: linear-gradient(112deg,#f0f5f1,#e8f0ec); }
.preview-hero h1 { font-size: clamp(2.4rem,4.35vw,3.6rem); }
.compare-card.after { background: #194641; border-color: #194641; }
.price-card { border-radius: 12px; background: #24564f; }
@media (max-width: 920px) {
  .nav-wrap { gap: .85rem; }
  .brand { min-width: 0; }
  .hero-grid { gap: 1.8rem; }
}
@media (max-width: 700px) {
  .demo-ribbon { font-size: .63rem; }
  .nav-wrap { min-height: 66px; }
  .brand-mark { width: 38px; height: 38px; }
  .nav { top: 65px; }
  .nav-actions .button { padding: .7rem .78rem; font-size: .73rem; }
  .hero { padding: 2.85rem 0 2.5rem; }
  .hero-grid { gap: 1.55rem; }
  h1 { max-width: 560px; font-size: clamp(2.45rem,9.2vw,3.35rem); line-height: 1.02; }
  .hero-copy > p { font-size: .97rem; }
  .hero-art { margin-top: .15rem; }
  .hvac-visual { border-radius: 17px; }
  .visual-caption { left: .65rem; bottom: .65rem; padding: .62rem .72rem; }
  .visual-caption-icon { width: 29px; height: 29px; flex-basis: 29px; }
  .visual-caption strong { font-size: .73rem; }
  .visual-caption small { font-size: .62rem; }
  .proof-item { padding-inline: .1rem; }
  .proof-item small { line-height: 1.3; }
  .section { padding: 3.45rem 0; }
  .section-tight { padding: 2.8rem 0; }
  .page-hero { padding: 2.65rem 0 2.25rem; }
  .form-card { padding: 1.2rem; }
}

/* Real photography and clearer small-screen service navigation. */
.hero-photo { width: 100%; max-width: 520px; margin: 0 0 0 auto; }
.hero-photo img { display: block; width: 100%; height: clamp(280px, 31vw, 390px); object-fit: cover; object-position: center; border: 1px solid rgba(30,71,64,.12); border-radius: 20px; box-shadow: 0 24px 58px rgba(28,67,59,.15); }
.hero-photo figcaption { padding: .6rem .15rem 0; color: #647572; font-size: .68rem; line-height: 1.5; }
.hero-photo figcaption a, .stock-photo-note a { color: #315f58; text-underline-offset: 2px; }
.service-card { display: flex; flex-direction: column; min-height: 0; }
.service-card-image { display: block; width: 100%; height: 126px; margin: 0 0 1rem; border-radius: 8px; object-fit: cover; background: #e4ebe6; }
.service-card .card-arrow { margin-top: auto; padding-top: .3rem; }
.stock-photo-note { margin: 1.1rem 0 0; color: #657572; font-size: .72rem; line-height: 1.6; }
@media (max-width: 700px) {
  .hero-photo { max-width: none; }
  .hero-photo img { height: 260px; border-radius: 16px; }
  .hero-photo figcaption { font-size: .65rem; }
  .proof-strip { padding: .55rem 0; }
  .proof-grid { grid-template-columns: 1fr; gap: 0; }
  .proof-item { min-height: 0; padding: .72rem .25rem; gap: .75rem; }
  .proof-item + .proof-item { border-top: 1px solid rgba(255,255,255,.14); border-left: 0; }
  .proof-item:nth-child(3) { border-left: 0; }
  .proof-item b { font-size: .86rem; }
  .proof-item small { font-size: .72rem; }
  .service-card-image { height: 105px; margin-bottom: .8rem; }
  .stock-photo-note { font-size: .69rem; }
}

/* Horizontal service strip and final interaction polish. */
:focus-visible { outline: 3px solid #d4794d; outline-offset: 3px; }
::selection { color: #fff; background: #24564f; }
.service-card { box-shadow: 0 8px 24px rgba(24,51,52,.045); transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.service-card-image { aspect-ratio: 1.75 / 1; }
@media (max-width: 920px) {
  .proof-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .35rem; }
  .proof-item { padding-inline: .32rem; gap: .55rem; }
  .proof-item + .proof-item, .proof-item:nth-child(3) { border-left: 1px solid rgba(255,255,255,.14); }
}
@media (max-width: 700px) {
  .proof-grid {
    grid-template-columns: repeat(4, minmax(150px, 1fr));
    gap: .55rem;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x proximity;
    scrollbar-color: rgba(201,223,152,.8) rgba(255,255,255,.12);
    scrollbar-width: thin;
    padding: .15rem .1rem .55rem;
  }
  .proof-grid:focus-visible { outline-offset: -2px; border-radius: 9px; }
  .proof-grid::-webkit-scrollbar { height: 5px; }
  .proof-grid::-webkit-scrollbar-track { background: rgba(255,255,255,.12); border-radius: 10px; }
  .proof-grid::-webkit-scrollbar-thumb { background: rgba(201,223,152,.8); border-radius: 10px; }
  .proof-item, .proof-item + .proof-item, .proof-item:nth-child(3) {
    min-height: 56px;
    padding: .55rem .65rem;
    border: 1px solid rgba(255,255,255,.13);
    border-radius: 10px;
    background: rgba(255,255,255,.035);
    scroll-snap-align: start;
  }
  .proof-item b { font-size: .82rem; }
  .proof-item small { font-size: .67rem; }
  .service-card-image { height: 105px; }
}

/* Continuous service-strip marquee with an explicit pause control. */
.proof-strip-content { display: grid; gap: .3rem; }
.proof-track, .proof-group { display: contents; }
.proof-group[aria-hidden="true"] { display: none; }
.proof-autoplay-toggle {
  display: none;
  align-items: center;
  justify-self: end;
  gap: .38rem;
  padding: .25rem .55rem;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 999px;
  color: #ecf3e9;
  background: rgba(255,255,255,.055);
  font: inherit;
  font-size: .68rem;
  line-height: 1.2;
  cursor: pointer;
}
.proof-autoplay-toggle[hidden] { display: none; }
@keyframes proof-marquee {
  to { transform: translate3d(-50%, 0, 0); }
}
@media (max-width: 700px) {
  .proof-grid {
    display: block;
    overflow: hidden;
    padding: .15rem .1rem .55rem;
    scroll-snap-type: none;
    overscroll-behavior: contain;
  }
  .proof-track {
    display: flex;
    width: max-content;
    will-change: transform;
  }
  .proof-group {
    display: flex;
    flex: 0 0 auto;
    gap: .55rem;
    padding-right: .55rem;
  }
  .proof-group[aria-hidden="true"] { display: flex; }
  .proof-grid.is-moving .proof-track {
    animation: proof-marquee 18s linear infinite;
  }
  .proof-item { flex: 0 0 180px; width: 180px; scroll-snap-align: none; }
  .proof-grid::-webkit-scrollbar { display: none; }
  .proof-grid { scrollbar-width: none; }
  .proof-autoplay-toggle:not([hidden]) { display: inline-flex; }
}