:root {
  color-scheme: light;
  --ink: #172c25;
  --muted: #66756d;
  --paper: #f5f2e9;
  --paper-deep: #e9e7dc;
  --forest: #103d31;
  --lime: #d9fa78;
  --line: rgba(23, 44, 37, .15);
  --sans: "DM Sans", "Segoe UI", sans-serif;
  --display: "Manrope", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
.skip-link { position: fixed; z-index: 20; top: 8px; left: 8px; padding: 10px 14px; transform: translateY(-150%); background: white; color: var(--ink); }
.skip-link:focus { transform: none; }
.site-header { position: absolute; z-index: 5; inset: 0 0 auto; display: flex; min-height: 82px; align-items: center; justify-content: space-between; padding: 20px 5.5vw; color: #fff; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 13px; font-weight: 700; letter-spacing: -.025em; }
.brand small { display: block; margin-top: 2px; color: rgba(255,255,255,.63); font-size: 9px; font-weight: 500; letter-spacing: .02em; }
.brand-mark { display: grid; width: 32px; height: 32px; place-items: center; border-radius: 9px; background: var(--lime); color: var(--forest); font-family: var(--display); font-size: 10px; font-weight: 800; }
.header-cta { padding: 10px 0 10px 16px; font-size: 11px; font-weight: 700; }
.header-cta span { margin-left: 7px; color: var(--lime); }
.hero { position: relative; display: flex; min-height: min(850px, 100svh); align-items: center; overflow: hidden; background: #14241e url("assets/hvac-hero-still.jpg") center 52% / cover no-repeat; color: white; }
.hero-video, .hero-overlay { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-video { object-fit: cover; object-position: center 52%; opacity: 1; transform: scale(1); transform-origin: 73% 76%; transition: transform 8000ms cubic-bezier(.2,.65,.25,1), opacity 1600ms ease-in-out; }
.hero-video.is-focusing { transform: scale(1.32); }
.hero-video.is-fading { opacity: 0; transition: opacity 1600ms ease-in-out; }
.hero-overlay { background: linear-gradient(90deg, rgba(5, 22, 17, .91) 0%, rgba(5, 22, 17, .78) 38%, rgba(5, 22, 17, .2) 82%), linear-gradient(0deg, rgba(5, 22, 17, .42), transparent 38%); }
.hero-content { position: relative; z-index: 1; width: min(800px, 68vw); padding: 145px 0 130px 9vw; }
.eyebrow, .section-kicker { margin: 0 0 23px; font-size: 10px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,.82); }
.live-dot, .caption-dot { width: 8px; height: 8px; flex: 0 0 auto; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 5px rgba(217,250,120,.15); }
h1, h2, h3 { margin-top: 0; font-family: var(--display); letter-spacing: -.055em; }
h1 { max-width: 780px; margin-bottom: 22px; font-size: clamp(46px, 6.4vw, 86px); font-weight: 600; line-height: .99; }
h1 .business-name { color: var(--lime); }
h1 sup { position: relative; top: -.3em; font-size: .33em; letter-spacing: 0; }
.hero-revenue { max-width: 680px; margin: 0 0 13px; color: rgba(255,255,255,.91); font-family: var(--display); font-size: clamp(18px, 2.3vw, 28px); font-weight: 600; letter-spacing: -.035em; line-height: 1.22; }
.hero-revenue strong { color: var(--lime); font-size: 1.18em; }
.hero-revenue sup { top: -.25em; position: relative; font-size: .5em; }
.hero-copy { max-width: 550px; margin: 0 0 27px; color: rgba(255,255,255,.82); font-size: 15px; line-height: 1.75; }
.button { display: inline-flex; min-height: 60px; align-items: center; justify-content: center; gap: 25px; border-radius: 5px; padding: 0 25px; font-size: 12px; font-weight: 700; transition: transform .18s ease, background .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-lime { background: var(--lime); color: #18372c; }
.button-lime:hover { background: #e5ff9e; }
.hero-button { min-height: 66px; padding: 0 28px; font-size: 14px; }
.phone-line { margin: 14px 0 0; color: rgba(255,255,255,.76); font-size: 12px; }
.phone-line a { margin-left: 4px; color: #fff; text-decoration: underline; text-decoration-color: var(--lime); text-underline-offset: 3px; }
.benchmark { max-width: 480px; margin: 23px 0 0; color: rgba(255,255,255,.63); font-size: 9px; line-height: 1.6; }
.benchmark a { color: var(--lime); text-decoration: underline; text-underline-offset: 2px; }
.hero-caption { position: absolute; right: 5.5vw; bottom: 58px; z-index: 1; display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,.85); font-size: 10px; }
.scroll-cue { position: absolute; bottom: 55px; left: 5.5vw; z-index: 1; display: flex; align-items: center; gap: 11px; color: rgba(255,255,255,.72); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
.scroll-cue span { width: 29px; height: 1px; background: var(--lime); }
.disclosure { display: flex; max-width: 980px; align-items: flex-start; gap: 14px; margin: 0 auto; padding: 27px 6vw 29px; color: #41534a; }
.disclosure-icon { display: grid; width: 21px; height: 21px; flex: 0 0 auto; place-items: center; border: 1px solid rgba(16,61,49,.3); border-radius: 50%; color: var(--forest); font-family: var(--display); font-size: 12px; font-weight: 700; }
.disclosure p { margin: 0; font-size: 11px; line-height: 1.75; }
.section-wrap { width: min(1100px, 88vw); margin: 0 auto; }
.experience { padding-top: 93px; padding-bottom: 100px; }
.section-kicker { margin-bottom: 17px; color: #6e8474; }
.experience-heading { display: grid; grid-template-columns: 1.1fr .7fr; gap: 9vw; align-items: end; margin-bottom: 48px; }
h2 { margin-bottom: 0; font-size: clamp(36px, 4.2vw, 58px); font-weight: 600; line-height: 1.04; }
.experience-heading > p { max-width: 350px; margin: 0 0 5px; color: #65736a; font-size: 13px; line-height: 1.8; }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.step-card { min-height: 275px; padding: 27px 29px 29px 0; }
.step-card + .step-card { border-left: 1px solid var(--line); padding-left: 29px; }
.step-number { color: #839087; font-family: var(--display); font-size: 11px; font-weight: 700; }
.step-icon { display: grid; width: 42px; height: 42px; place-items: center; margin: 29px 0 23px; border: 1px solid rgba(16,61,49,.26); border-radius: 50%; color: var(--forest); }
.icon-phone span { width: 13px; height: 19px; border: 1.5px solid currentColor; border-radius: 3px; }
.icon-chat span { position: relative; width: 19px; height: 14px; border: 1.5px solid currentColor; border-radius: 5px; }
.icon-chat span::after { position: absolute; bottom: -4px; left: 3px; width: 5px; height: 5px; border-left: 1.5px solid currentColor; transform: skewY(-35deg); content: ""; }
.icon-calendar span { position: relative; width: 18px; height: 17px; border: 1.5px solid currentColor; border-radius: 3px; }
.icon-calendar span::before { position: absolute; top: 4px; left: 0; width: 100%; border-top: 1.5px solid currentColor; content: ""; }
.step-card h3 { margin-bottom: 9px; font-size: 17px; font-weight: 700; letter-spacing: -.035em; }
.step-card p { max-width: 280px; margin-bottom: 0; color: #6c786f; font-size: 12px; line-height: 1.8; }
.safety-note { display: flex; align-items: center; gap: 11px; margin-top: 23px; color: #617067; }
.safety-note span { color: #32745b; font-size: 14px; }
.safety-note p { margin: 0; font-size: 10px; line-height: 1.6; }
.bottom-cta { padding: 94px 0; background: var(--forest); color: white; }
.bottom-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 9vw; align-items: center; }
.section-kicker-light { color: var(--lime); }
.bottom-grid h2 { max-width: 520px; font-size: clamp(37px, 4.3vw, 57px); }
.bottom-copy { max-width: 400px; margin: 18px 0 0; color: rgba(255,255,255,.72); font-size: 13px; line-height: 1.8; }
.call-card { display: flex; min-height: 270px; flex-direction: column; align-items: flex-start; justify-content: center; gap: 15px; padding: 34px; border: 1px solid rgba(255,255,255,.22); border-radius: 7px; background: rgba(255,255,255,.045); }
.call-label { color: rgba(255,255,255,.68); font-size: 9px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.call-number { font-family: var(--display); font-size: clamp(30px, 4vw, 47px); font-weight: 600; letter-spacing: -.06em; }
.call-card p { max-width: 370px; margin: 0; color: rgba(255,255,255,.63); font-size: 10px; line-height: 1.7; }
.site-footer { display: flex; min-height: 80px; align-items: center; justify-content: space-between; gap: 18px; padding: 20px 5.5vw; background: #0b3027; color: rgba(255,255,255,.7); }
.site-footer .brand { font-size: 11px; }
.site-footer .brand-mark { width: 26px; height: 26px; border-radius: 7px; }
.site-footer > p, .back-top { margin: 0; color: rgba(255,255,255,.54); font-size: 9px; }
.back-top { white-space: nowrap; }

@media (max-width: 900px) {
  .hero { min-height: 770px; }
  .hero-content { width: min(760px, 82vw); padding-left: 7vw; }
  h1 { font-size: clamp(45px, 6.4vw, 68px); }
  .experience-heading { gap: 5vw; }
  .bottom-grid { gap: 5vw; }
}

@media (max-width: 640px) {
  .site-header { min-height: 70px; padding: 15px 6vw; }
  .brand { font-size: 11px; }
  .brand-mark { width: 29px; height: 29px; }
  .brand small { font-size: 8px; }
  .header-cta { font-size: 10px; }
  .hero { min-height: 0; align-items: flex-start; padding: 135px 0 112px; }
  .hero-video { object-position: 61% center; }
  .hero-overlay { background: linear-gradient(0deg, rgba(5,22,17,.91) 0%, rgba(5,22,17,.72) 54%, rgba(5,22,17,.35) 100%); }
  .hero-content { width: 100%; padding: 0 7vw; }
  .eyebrow { max-width: 360px; margin-bottom: 20px; font-size: 8px; line-height: 1.6; }
  h1 { max-width: 560px; margin-bottom: 18px; font-size: clamp(43px, 11vw, 66px); }
  .hero-revenue { max-width: 480px; margin-bottom: 11px; font-size: clamp(19px, 5vw, 25px); }
  .hero-copy { max-width: 470px; font-size: 13px; }
  .hero-button { min-height: 60px; font-size: 13px; }
  .phone-line { font-size: 11px; }
  .button { min-height: 56px; }
  .benchmark { max-width: 400px; margin-top: 18px; }
  .hero-caption { right: 7vw; bottom: 39px; max-width: 175px; font-size: 8px; line-height: 1.5; }
  .scroll-cue { bottom: 38px; left: 7vw; max-width: 45%; font-size: 7px; line-height: 1.6; }
  .disclosure { padding: 23px 7vw 25px; }
  .disclosure p { font-size: 10px; }
  .section-wrap { width: 86vw; }
  .experience { padding: 70px 0 73px; }
  .experience-heading { grid-template-columns: 1fr; gap: 17px; margin-bottom: 31px; }
  .experience-heading h2 { font-size: clamp(35px, 9vw, 48px); }
  .experience-heading > p { font-size: 12px; }
  .steps-grid { grid-template-columns: 1fr; }
  .step-card, .step-card + .step-card { display: grid; min-height: 0; grid-template-columns: 34px 44px 1fr; grid-template-rows: auto auto; column-gap: 10px; padding: 20px 0; border-left: 0; }
  .step-card + .step-card { border-top: 1px solid var(--line); }
  .step-number { grid-row: 1 / 3; padding-top: 4px; }
  .step-icon { grid-row: 1 / 3; margin: 0; }
  .step-card h3 { align-self: end; margin-bottom: 5px; font-size: 15px; }
  .step-card p { grid-column: 3; font-size: 11px; }
  .safety-note { align-items: flex-start; }
  .bottom-cta { padding: 70px 0; }
  .bottom-grid { grid-template-columns: 1fr; gap: 33px; }
  .bottom-grid h2 { font-size: clamp(37px, 9vw, 50px); }
  .call-card { min-height: 240px; padding: 26px 22px; }
  .call-number { font-size: clamp(31px, 8vw, 43px); }
  .site-footer { flex-wrap: wrap; padding: 20px 7vw; }
  .site-footer > p { order: 3; width: 100%; line-height: 1.6; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-video { display: none; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}