:root {
  --ink: #102f43;
  --navy-deep: #0c2332;
  --steel: #59717e;
  --muted: #51636d;
  --paper: #f5f6f1;
  --white: #ffffff;
  --line: #d8e0df;
  --copper: #a94419;
  --copper-hover: #82320f;
  --ice: #e7eeef;
  --heading-font: "Bahnschrift", "Arial Narrow", "Aptos Display", "Segoe UI", sans-serif;
  --body-font: "Segoe UI", "Aptos", Arial, sans-serif;
  color-scheme: light;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 26px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.7 var(--body-font); -webkit-font-smoothing: antialiased; }
body, button, input, select, textarea { font-family: var(--body-font); }
a { color: inherit; text-underline-offset: .23em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
button, summary, a { -webkit-tap-highlight-color: transparent; }
button { font-size: inherit; }
button, summary { cursor: pointer; }
img, svg, iframe { max-width: 100%; }
svg { display: block; }
iframe { display: block; border: 0; }
p { margin: 0 0 1.1em; }
ul, ol { margin-block: 0 1.2em; padding-left: 1.4em; }
h1, h2, h3 { margin: 0; font-family: var(--heading-font); font-weight: 600; text-wrap: balance; }
h1 { font-size: clamp(2.2rem, 4.25vw, 3.8rem); line-height: 1.08; letter-spacing: -.035em; }
h2 { font-size: clamp(1.8rem, 2.7vw, 2.5rem); line-height: 1.15; letter-spacing: -.025em; }
h3 { font-size: 1.45rem; line-height: 1.24; letter-spacing: -.015em; }
:focus-visible { outline: 3px solid #c96725; outline-offset: 5px; }
[tabindex="-1"]:focus:not(:focus-visible) { outline: none; }
::selection { color: var(--white); background: var(--copper); }
.wrap { width: min(1200px, calc(100% - 80px)); margin-inline: auto; }
.section { padding-block: 84px; }
.button { display: inline-flex; min-height: 49px; align-items: center; justify-content: center; gap: 12px; padding: 12px 22px; border: 1px solid transparent; border-radius: 4px; background: var(--copper); color: var(--white); font-size: 15px; font-weight: 650; line-height: 1.35; text-decoration: none; text-align: center; }
.button:hover { background: var(--copper-hover); text-decoration: none; }
.button-small { min-height: 43px; padding: 11px 17px; font-size: 14px; }
.text-link { display: inline-block; font-size: 15px; font-weight: 650; text-decoration: underline; text-decoration-color: var(--copper); text-decoration-thickness: 2px; text-underline-offset: 6px; }
.text-link:hover { color: var(--copper); }
.skip-link { position: absolute; z-index: 100; left: 16px; top: 8px; padding: 12px 18px; background: var(--white); color: var(--ink); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.site-header { position: relative; z-index: 20; border-bottom: 1px solid var(--line); background: var(--paper); }
.header-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; min-height: 88px; }
.brand { display: flex; align-items: center; gap: 11px; flex-shrink: 0; text-decoration: none; }
.brand-mark { width: 34px; height: 38px; }
.brand > span { font-family: var(--heading-font); font-size: 21px; font-weight: 650; letter-spacing: -.4px; line-height: 1.3; }
.brand small { display: block; margin-top: 2px; font-family: var(--body-font); font-size: 10px; font-weight: 450; letter-spacing: .01em; color: var(--muted); }
.desktop-nav { display: flex; align-items: center; gap: 24px; font-size: 14px; font-weight: 550; }
.desktop-nav > a:not(.button) { text-decoration: none; }
.desktop-nav > a:not(.button):hover { color: var(--copper); }
.nav-dropdown { position: relative; }
.nav-dropdown > summary { display: flex; align-items: center; gap: 7px; min-height: 44px; list-style: none; }
.nav-dropdown > summary::after { content: ""; width: 6px; height: 6px; border-right: 1.5px solid; border-bottom: 1.5px solid; transform: rotate(45deg) translateY(-2px); }
.nav-dropdown > summary::-webkit-details-marker, .mobile-nav > summary::-webkit-details-marker { display: none; }
.nav-panel { position: absolute; top: calc(100% + 7px); left: -20px; display: grid; width: 266px; padding: 10px; border: 1px solid var(--line); border-radius: 5px; background: var(--white); box-shadow: 0 14px 35px #102f4314; }
.nav-panel a { padding: 10px; border-radius: 3px; text-decoration: none; line-height: 1.45; }
.nav-panel a:hover { background: var(--ice); }
.mobile-nav { display: none; }
.conversion-hero { color: var(--white); background: var(--ink); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.22fr) minmax(355px, .92fr); gap: 64px; align-items: start; padding-top: 42px; padding-bottom: 36px; }
.hero-copy { padding-top: 4px; min-width: 0; }
.breadcrumbs { font-size: 12px; line-height: 1.6; color: var(--muted); }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 4px 9px; list-style: none; padding: 0; margin: 0; }
.breadcrumbs li { display: inline; }
.breadcrumbs li + li::before { content: "/"; padding-right: 9px; color: var(--steel); }
.breadcrumbs a { text-decoration: none; }
.breadcrumbs a:hover { text-decoration: underline; }
.hero-copy .breadcrumbs { color: #c5d5de; margin-bottom: 25px; }
.hero-copy .breadcrumbs li + li::before { color: #8aa1af; }
.eyebrow { font-size: 13px; line-height: 1.5; font-weight: 600; margin-bottom: 20px; color: var(--muted); }
.hero-copy .eyebrow { color: #c5d5de; margin-bottom: 17px; }
.hero-copy h1 { max-width: 680px; }
.hero-lead { max-width: 65ch; margin: 24px 0 0; font-size: 17px; line-height: 1.65; }
.hero-copy .hero-lead { color: #d4e0e6; }
.hero-choices { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }
.hero-choices a { min-height: 43px; padding: 9px 13px; border: 1px solid #8296a066; border-radius: 3px; font-size: 13px; line-height: 1.6; text-decoration: none; }
.hero-choices a:hover { background: #ffffff0d; border-color: #c4d4de; }
.hero-choices a.button { border-color: transparent; padding-inline: 20px; font-weight: 650; }
.hero-choices a.button:hover { background: var(--copper-hover); }
.technical-sketch { margin: 30px 0 0 -12px; color: #8eabbc; }
.technical-sketch svg { width: min(100%, 520px); height: auto; }
.technical-sketch figcaption { margin: 8px 0 0 12px; font-size: 11px; color: #aac0cd; line-height: 1.6; }
.hero-context { max-width: 45ch; margin-top: 32px; padding-left: 16px; border-left: 2px solid #cd7647; color: #b6cad5; font-size: 13px; line-height: 1.6; }
.project-panel { min-width: 0; background: var(--white); color: var(--ink); padding: 25px 27px 19px; border-radius: 7px; box-shadow: 0 18px 44px #06172325; scroll-margin-top: 20px; }
.panel-heading { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.panel-heading p { margin: 0; color: var(--muted); font-size: 11px; }
.panel-marker { display: block; width: 8px; height: 8px; border-radius: 2px; background: var(--copper); }
.project-panel h2 { font-size: 27px; line-height: 1.17; letter-spacing: -.02em; }
.panel-intro { font-size: 13px; color: var(--muted); line-height: 1.6; margin: 11px 0 16px; }
.project-iframe { width: 100%; min-height: 300px; }
.form-fallback { margin: 8px 0; color: var(--muted); font-size: 10px; line-height: 1.6; }
.form-privacy { padding-top: 11px; border-top: 1px solid var(--line); margin: 13px 0 0; color: var(--muted); font-size: 10px; line-height: 1.6; }
.form-unavailable { padding: 24px 0; border-block: 1px solid var(--line); margin: 24px 0; }
.form-unavailable strong { display: block; margin-bottom: 13px; font-size: 17px; }
.form-unavailable p { font-size: 14px; color: var(--muted); }
.network-strip { border-top: 1px solid #b9ced32b; }
.reassurance-items { display: flex; justify-content: space-between; gap: 20px; padding-block: 17px; }
.reassurance-items p { display: flex; align-items: baseline; gap: 10px; margin: 0; color: #d3e0e7; font-size: 12px; line-height: 1.6; }
.reassurance-items span { color: #dea178; font-size: 14px; }
.section-heading { display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: end; margin-bottom: 38px; }
.section-heading h2 { max-width: 24ch; }
.section-heading > p { max-width: 55ch; color: var(--muted); font-size: 15px; margin: 0 0 3px; line-height: 1.65; }
.project-paths { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid #bdccce; border-radius: 6px; overflow: hidden; }
.project-path { padding: 37px; background: var(--white); }
.project-path + .project-path { border-left: 1px solid #bdccce; background: #e9efee; }
.path-kicker { margin-bottom: 13px; color: var(--muted); font-size: 12px; }
.project-path h3 { margin-bottom: 17px; font-size: 29px; }
.project-path p:not(.path-kicker) { color: #415c6b; font-size: 15px; }
.project-path ul { margin: 24px 0; font-size: 13px; line-height: 1.8; color: #415c6b; }
.project-path li { padding-left: 3px; }
.project-options { padding-top: 50px; }
.project-options > h2 { margin-bottom: 26px; font-size: 29px; }
.project-options-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.project-options-grid > a { display: flex; flex-direction: column; align-items: start; padding: 24px; border: 1px solid #c5d3d5; border-radius: 5px; text-decoration: none; background: #fdfefb; }
.project-options-grid > a:hover { border-color: var(--steel); }
.project-options-grid h3 { font-size: 22px; line-height: 1.3; margin-bottom: 14px; }
.project-options-grid p { color: var(--muted); font-size: 13px; line-height: 1.75; margin-bottom: 20px; }
.project-option-link { margin-top: auto; color: var(--copper); font-size: 12px; font-weight: 650; text-decoration: underline; text-underline-offset: 5px; }
.cold-comparison table { min-width: 660px; }
.cold-comparison thead th:first-child { width: 20%; }
.cold-comparison thead th:not(:first-child) { width: 40%; }
.cold-comparison tbody th, .price-preview tbody th { background: transparent; color: var(--ink); border-top: 1px solid #c7d5d7; }
.cold-comparison .comparison-links { background: #dee8e9; }
.cold-comparison .comparison-links a { font-weight: 600; }
.comparison-note, .price-disclaimer { max-width: 115ch; color: var(--muted); font-size: 12px; line-height: 1.75; margin: 18px 0 24px; }
.price-preview { border-top: 1px solid var(--line); }
.price-preview-layout { display: grid; grid-template-columns: 1.55fr 1fr; gap: 55px; align-items: start; }
.price-preview .table-scroll { margin: 0; }
.price-preview tbody td { font-weight: 650; white-space: nowrap; }
.price-preview tbody th { font-weight: 500; }
.price-context { padding-top: 4px; }
.price-context h3 { font-size: 24px; margin-bottom: 20px; }
.price-context ul { color: var(--muted); font-size: 13px; line-height: 1.8; }
.price-context li { padding-left: 3px; margin-bottom: 10px; }
.price-context li::marker { color: var(--copper); }
.price-context .text-link { margin-top: 10px; }
.price-disclaimer { margin-bottom: 0; }
.refrigerant-layout { display: grid; grid-template-columns: 1.2fr 1fr; gap: 65px; padding: 40px; border: 1px solid #d7c5b6; border-radius: 6px; background: #f0e9df; }
.refrigerant-layout h2 { max-width: 24ch; margin-bottom: 24px; font-size: 34px; }
.refrigerant-layout p { font-size: 14px; color: #536069; }
.refrigerant-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; margin-top: 26px; }
.refrigerant-actions .button { font-size: 13px; }
.refrigerant-actions .text-link { font-size: 13px; }
.fluid-checkpoints article { border-top: 1px solid #b5a99c; padding-top: 18px; margin-bottom: 27px; }
.fluid-checkpoints h3 { font-size: 24px; margin-bottom: 13px; }
.fluid-checkpoints article > a { font-size: 12px; color: var(--copper-hover); font-weight: 600; }
.fluid-checkpoints .regulatory-source { font-size: 10px; line-height: 1.75; margin-bottom: 0; }
.process-section { padding-block: 65px; background: #e3ebed; }
.project-process { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 34px; padding: 0; margin: 0; counter-reset: project-step; }
.project-process li { position: relative; border-top: 1px solid #a5bac3; padding-top: 22px; counter-increment: project-step; }
.project-process li::before { content: counter(project-step); display: inline-flex; align-items: center; justify-content: center; width: 29px; height: 29px; margin-bottom: 18px; border: 1px solid #708d9c; border-radius: 50%; color: #476778; font-size: 12px; }
.project-process h3 { font-size: 22px; margin-bottom: 14px; }
.project-process p { font-size: 13px; line-height: 1.8; color: #496170; margin: 0; }
.sector-section { padding-block: 76px; background: #e5edef; }
.sector-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 95px; }
.sector-intro h2 { max-width: 17ch; margin-bottom: 25px; }
.sector-intro p { color: #415c6b; font-size: 15px; }
.sector-intro .text-link { margin-top: 14px; }
.sector-links { display: grid; grid-template-columns: 1fr 1fr; gap: 0 25px; align-content: start; }
.sector-links a { display: flex; align-items: center; justify-content: space-between; gap: 13px; padding: 16px 0; min-height: 58px; border-bottom: 1px solid #bccdd3; font-size: 15px; line-height: 1.4; text-decoration: none; }
.sector-links a:hover { color: var(--copper); }
.sector-links a > span:last-child { font-size: 18px; font-weight: 400; color: var(--steel); }
.type-layout { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 36px; }
.type-layout > a { display: block; border-top: 2px solid #b7c9cd; padding: 24px 0; text-decoration: none; }
.type-layout h3 { margin-bottom: 12px; font-size: 22px; }
.type-layout p { color: var(--muted); font-size: 13px; line-height: 1.7; margin: 0; }
.type-layout > a:hover h3 { color: var(--copper); text-decoration: underline; text-underline-offset: 4px; }
.budget-section { padding-block: 75px; background: var(--ink); color: var(--white); }
.budget-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 110px; align-items: center; }
.budget-layout .eyebrow { color: #c0d0d9; }
.budget-layout h2 { max-width: 19ch; margin-bottom: 23px; }
.budget-layout > div > p:not(.eyebrow) { color: #c0d0d9; font-size: 15px; }
.budget-layout .button { margin-top: 10px; }
.cost-stack { border-left: 1px solid #728e9e; padding-left: 26px; }
.cost-stack p:not(.cost-note) { border-bottom: 1px solid #516e7e; padding-bottom: 23px; margin-bottom: 21px; }
.cost-stack span { display: block; color: #b8ccd7; font-size: 12px; margin-bottom: 9px; }
.cost-stack strong { display: block; font: 500 21px/1.45 var(--heading-font); }
.cost-stack .cost-note { font-size: 11px; margin: 0; color: #b8ccd7; }
.reading-trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 35px; }
.reading-trio article { border-top: 1px solid var(--line); padding-top: 24px; }
.reading-trio h3 { margin-bottom: 16px; }
.reading-trio p { color: var(--muted); font-size: 14px; }
.reading-trio .text-link { font-size: 13px; margin-top: 7px; }
.geo-section { border-top: 1px solid var(--line); }
.city-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px 20px; margin: 20px 0 29px; }
.city-links a { display: block; padding: 13px 0; border-bottom: 1px solid #c6d3d5; font-size: 15px; text-decoration: none; line-height: 1.5; }
.city-links a:hover { color: var(--copper); }
.city-links small { display: block; margin-top: 3px; font-size: 11px; color: var(--muted); }
.content-layout { display: grid; grid-template-columns: minmax(0, 2.45fr) minmax(0, 1fr); gap: 90px; align-items: start; }
.article-body { min-width: 0; max-width: 78ch; }
.article-section + .article-section { margin-top: 46px; }
.article-section { scroll-margin-top: 24px; }
.article-section h2, .sector-facts h2 { font-size: 29px; line-height: 1.22; margin-bottom: 23px; }
.article-section p, .article-section li { color: #3e5664; font-size: 16px; line-height: 1.85; }
.content-list { margin-top: 20px; }
.content-list li { margin-bottom: 10px; padding-left: 3px; }
.content-list li::marker { color: var(--copper); }
.article-sidebar { padding-top: 4px; font-size: 13px; }
.on-this-page { border-top: 3px solid var(--steel); padding-top: 20px; }
.article-sidebar h2 { font-size: 19px; margin-bottom: 18px; }
.on-this-page a { display: block; padding: 10px 0; border-bottom: 1px solid var(--line); line-height: 1.55; text-decoration: none; color: #496170; }
.on-this-page a:hover { color: var(--copper); }
.related-reading { margin-top: 32px; }
.related-reading a { display: block; margin-bottom: 12px; font-size: 13px; line-height: 1.6; }
.sidebar-note { margin-top: 35px; padding: 22px; border-radius: 4px; background: #e4eced; }
.sidebar-note p { color: var(--muted); }
.sidebar-note .text-link { font-size: 13px; }
.resource-list { border-top: 1px solid #b9cccf; }
.resource-item { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 23px 0; border-bottom: 1px solid #b9cccf; text-decoration: none; }
.resource-item h3 { font-size: 23px; line-height: 1.35; }
.resource-item p { color: var(--muted); margin: 8px 0 0; font-size: 14px; max-width: 75ch; }
.resource-item:hover h3 { color: var(--copper); }
.resource-tag { display: block; color: var(--muted); font-size: 11px; margin-bottom: 7px; }
.link-mark { flex-shrink: 0; font-size: 25px; color: var(--steel); font-weight: 350; }
.table-scroll { overflow-x: auto; margin: 25px 0; border: 1px solid #c7d5d7; border-radius: 4px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; line-height: 1.65; }
th, td { padding: 14px 17px; text-align: left; vertical-align: top; }
th { background: var(--ink); color: var(--white); font-weight: 600; }
td { border-top: 1px solid #c7d5d7; color: #3e5664; }
tbody tr:nth-child(even) { background: #eaf0f0; }
.sector-facts { margin-bottom: 45px; padding: 27px; background: #e4eced; border-radius: 5px; }
.sector-facts h2 { font-size: 25px; }
.section-note { color: var(--muted); font-size: 13px; line-height: 1.75; }
.sector-facts dl { margin: 23px 0 0; }
.sector-facts dl > div { display: grid; grid-template-columns: 150px 1fr; gap: 25px; border-top: 1px solid #bbced2; padding: 13px 0; font-size: 13px; line-height: 1.7; }
.sector-facts dt { font-weight: 650; }
.sector-facts dd { margin: 0; color: #3e5664; }
.sources-block { margin-top: 46px; padding-top: 25px; border-top: 1px solid #c7d5d7; font-size: 12px; line-height: 1.7; color: var(--muted); }
.sources-block h2 { font-size: 20px; color: var(--ink); margin-bottom: 13px; }
.sources-block ul { padding-left: 18px; }
.sources-block li { padding-bottom: 8px; overflow-wrap: anywhere; }
.updated-date { margin-top: 30px; font-size: 12px; color: var(--muted); }
.faq-section { border-top: 1px solid var(--line); }
.faq-list { margin-left: auto; max-width: 850px; border-top: 1px solid #bbced1; }
.faq-list details { border-bottom: 1px solid #bbced1; }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 22px 3px; list-style: none; font-weight: 600; font-size: 16px; line-height: 1.6; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { font-weight: 350; color: var(--steel); font-size: 26px; line-height: 1; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-answer { padding: 0 40px 22px 3px; color: var(--muted); font-size: 15px; line-height: 1.8; }
.faq-answer p { margin: 0; }
.closing-band { padding-block: 53px; background: #dee8e9; }
.closing-inner { display: flex; align-items: center; justify-content: space-between; gap: 50px; }
.closing-inner h2 { font-size: 30px; margin-bottom: 14px; }
.closing-inner p { color: #496170; max-width: 68ch; margin: 0; font-size: 14px; }
.closing-inner .button { flex-shrink: 0; }
.local-brief { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.local-brief > div { padding-top: 22px; border-top: 1px solid #bdced1; }
.local-brief h3 { margin-bottom: 16px; }
.local-brief p { font-size: 15px; color: var(--muted); }
.format-list { border-top: 1px solid var(--line); }
.nearby-section { border-top: 1px solid var(--line); }
.directory-section .resource-list { display: grid; grid-template-columns: 1fr 1fr; column-gap: 50px; border-top: 0; }
.directory-section .resource-item { align-items: center; }
.directory-section .resource-item h3 { font-size: 23px; }
.simple-page { padding-top: 50px; padding-bottom: 100px; min-height: 65vh; }
.simple-page .breadcrumbs { margin-bottom: 42px; }
.simple-heading { max-width: 800px; margin-bottom: 55px; }
.simple-heading h1, .status-page h1 { max-width: 23ch; font-size: clamp(2.4rem, 4.7vw, 4.2rem); }
.simple-heading .hero-lead, .status-page .hero-lead { color: var(--muted); }
.status-page { padding-block: 95px; }
.status-page > p { max-width: 65ch; }
.status-page .article-body { margin-block: 36px; }
.status-actions { display: flex; align-items: center; gap: 25px; margin-top: 30px; flex-wrap: wrap; }
.site-footer { background: var(--navy-deep); color: #c6d5dd; }
.footer-main { display: grid; grid-template-columns: 1.45fr 1fr 1fr; gap: 70px; padding-block: 60px; }
.footer-brand { font-family: var(--heading-font); font-size: 28px; color: var(--white); text-decoration: none; }
.footer-intro > p { font-size: 14px; margin: 15px 0; max-width: 42ch; }
.footer-intro .footer-note { color: #9eb3c0; font-size: 11px; }
.footer-main nav h2 { font-family: var(--body-font); font-size: 14px; color: var(--white); font-weight: 600; margin-bottom: 19px; }
.footer-main nav a { display: block; font-size: 12px; line-height: 1.6; margin-bottom: 12px; text-decoration: none; }
.footer-main nav a:hover { color: var(--white); text-decoration: underline; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; border-top: 1px solid #4d677550; padding-block: 22px; font-size: 10px; color: #a3b6c2; }
.footer-bottom nav { display: flex; flex-wrap: wrap; gap: 12px 22px; }
.footer-bottom a { text-decoration: none; }
.footer-bottom a:hover { text-decoration: underline; }
.exit-dialog { width: min(490px, calc(100% - 34px)); padding: 0; border: 1px solid #c6d5da; border-radius: 7px; background: var(--paper); color: var(--ink); box-shadow: 0 20px 100px #06172350; }
.exit-dialog::backdrop { background: #071f31bb; }
.exit-content { position: relative; padding: 38px; }
.exit-content .eyebrow { padding-right: 22px; font-size: 12px; }
.exit-content h2 { font-size: 32px; margin-bottom: 22px; }
.exit-content > p:not(.eyebrow) { color: var(--muted); font-size: 15px; }
.exit-content .button { display: flex; margin-top: 28px; }
.dialog-close { position: absolute; right: 10px; top: 8px; width: 40px; height: 40px; border: 0; border-radius: 3px; color: var(--steel); background: transparent; font-size: 28px; line-height: 1; }
.dialog-close:hover { background: var(--ice); }
.dialog-decline { display: block; width: 100%; border: 0; background: none; color: var(--muted); margin-top: 16px; font-size: 12px; text-decoration: underline; }
html.dialog-open { overflow: hidden; }
@media (min-width: 1600px) {
  .wrap { width: min(1310px, calc(100% - 120px)); }
  .hero-grid { gap: 100px; }
}
@media (max-width: 1120px) {
  .wrap { width: calc(100% - 56px); }
  .desktop-nav { gap: 16px; font-size: 12px; }
  .desktop-nav .button { font-size: 12px; padding-inline: 13px; }
  .brand > span { font-size: 19px; }
  .brand small { font-size: 9px; }
  .hero-grid { gap: 37px; grid-template-columns: minmax(0, 1.05fr) minmax(340px, .95fr); }
  .hero-copy h1 { font-size: 43px; }
  .hero-copy .hero-lead { font-size: 15px; }
  .hero-choices { gap: 9px; }
  .hero-choices a { padding: 8px 10px; font-size: 11px; }
  .project-panel { padding-inline: 23px; }
  .section-heading { gap: 35px; }
  .sector-layout { gap: 55px; }
  .budget-layout { gap: 65px; }
  .content-layout { gap: 50px; }
  .footer-main { gap: 40px; }
}
@media (max-width: 920px) {
  .header-inner { min-height: 72px; }
  .desktop-nav { display: none; }
  .mobile-nav { display: block; }
  .mobile-nav summary { display: flex; align-items: center; gap: 9px; list-style: none; font-size: 13px; padding: 9px 0 9px 15px; }
  .mobile-nav summary > span { font-size: 24px; line-height: 1; }
  .mobile-nav nav { position: absolute; left: 0; top: 100%; width: 100%; display: grid; gap: 0; background: var(--paper); padding: 17px 28px 23px; border-block: 1px solid var(--line); box-shadow: 0 14px 25px #102f4312; }
  .mobile-nav nav a { padding: 10px 0; font-size: 14px; text-decoration: none; }
  .mobile-nav nav .button { margin-top: 12px; }
  .hero-grid { gap: 27px; grid-template-columns: minmax(0, 1fr) minmax(325px, 1fr); padding-top: 30px; }
  .hero-copy h1 { font-size: 36px; }
  .hero-copy .eyebrow { font-size: 11px; }
  .hero-copy .breadcrumbs { font-size: 10px; margin-bottom: 19px; }
  .hero-copy .hero-lead { font-size: 14px; }
  .hero-context { font-size: 12px; }
  .technical-sketch { margin-top: 26px; }
  .technical-sketch figcaption { font-size: 10px; }
  .project-panel { padding: 23px 20px 18px; }
  .project-panel h2 { font-size: 24px; }
  .panel-heading p { font-size: 10px; }
  .reassurance-items { gap: 12px; }
  .reassurance-items p { font-size: 10px; gap: 6px; }
  .section { padding-block: 65px; }
  .project-path { padding: 27px; }
  .project-path h3 { font-size: 26px; }
  .project-options-grid { gap: 14px; }
  .project-options-grid > a { padding: 20px; }
  .project-options-grid h3 { font-size: 20px; }
  .price-preview-layout { gap: 30px; }
  .refrigerant-layout { gap: 35px; padding: 30px; }
  .refrigerant-layout h2 { font-size: 29px; }
  .project-process { gap: 23px; }
  .project-process h3 { font-size: 20px; }
  .sector-layout { grid-template-columns: 1fr; gap: 33px; }
  .sector-intro h2 { max-width: none; }
  .sector-intro p { max-width: 72ch; }
  .type-layout { gap: 0 24px; }
  .type-layout h3 { font-size: 20px; }
  .budget-layout { gap: 45px; }
  .content-layout { grid-template-columns: minmax(0, 1fr) 220px; gap: 35px; }
  .article-section h2 { font-size: 27px; }
  .sector-facts { padding: 22px; }
  .sector-facts dl > div { grid-template-columns: 1fr; gap: 5px; }
  .closing-inner { gap: 28px; }
  .closing-inner h2 { font-size: 27px; }
  .closing-inner .button { max-width: 190px; }
  .city-links { grid-template-columns: repeat(3, 1fr); }
  .footer-main { gap: 30px; }
}
@media (max-width: 700px) {
  body { font-size: 16px; }
  .wrap { width: calc(100% - 36px); }
  .header-inner { min-height: 63px; gap: 14px; }
  .brand { gap: 8px; }
  .brand-mark { width: 27px; height: 31px; }
  .brand > span { font-size: 18px; }
  .brand small { display: none; }
  .mobile-nav summary { font-size: 12px; padding-left: 5px; }
  .mobile-nav nav { padding-inline: 18px; max-height: calc(100dvh - 63px); overflow-y: auto; }
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 22px; padding-top: 24px; padding-bottom: 24px; }
  .hero-copy { padding: 0; }
  .hero-copy h1 { font-size: clamp(29px, 7.8vw, 38px); line-height: 1.08; max-width: 25ch; }
  .hero-copy .eyebrow { margin-bottom: 10px; font-size: 11px; }
  .hero-copy .hero-lead { margin-top: 14px; font-size: 14px; line-height: 1.6; }
  .hero-copy .breadcrumbs { margin-bottom: 13px; font-size: 10px; }
  .hero-copy .breadcrumbs ol { gap: 2px 6px; }
  .hero-copy .breadcrumbs li + li::before { padding-right: 6px; }
  .hero-copy .breadcrumbs li:last-child { display: none; }
  .hero-context, .hero-choices, .technical-sketch { display: none; }
  .page-home .hero-choices { display: flex; gap: 10px; margin-top: 17px; }
  .page-home .hero-choices a { font-size: 12px; min-height: 40px; padding: 9px 12px; }
  .page-home .hero-choices a.button { padding-inline: 14px; }
  .project-panel { padding: 18px 18px 15px; border-radius: 5px; }
  .panel-heading { margin-bottom: 7px; }
  .project-panel h2 { font-size: 25px; }
  .panel-intro { margin: 8px 0 12px; font-size: 12px; }
  .project-iframe { min-height: 310px; }
  .form-privacy, .form-fallback { font-size: 10px; }
  .reassurance-items { display: grid; gap: 5px; padding-block: 13px; }
  .reassurance-items p { font-size: 11px; }
  .section { padding-block: 48px; }
  .section-heading { grid-template-columns: minmax(0, 1fr); gap: 17px; margin-bottom: 27px; }
  .section-heading h2 { max-width: 27ch; font-size: 29px; }
  .section-heading > p { font-size: 14px; }
  .project-paths { grid-template-columns: 1fr; }
  .project-path { padding: 25px; }
  .project-path + .project-path { border-left: 0; border-top: 1px solid #bdccce; }
  .project-path h3 { font-size: 26px; }
  .project-path p:not(.path-kicker) { font-size: 14px; }
  .project-path ul { margin-block: 20px; }
  .project-options { padding-top: 34px; }
  .project-options > h2 { font-size: 26px; }
  .project-options-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .project-options-grid > a { padding: 19px; }
  .project-options-grid h3 { font-size: 20px; }
  .project-options-grid p { font-size: 12px; }
  .project-option-link { font-size: 11px; }
  .cold-comparison .table-scroll { margin-block: 20px; }
  .cold-comparison thead th:first-child { width: 22%; }
  .comparison-note, .price-disclaimer { font-size: 11px; }
  .price-preview-layout { grid-template-columns: 1fr; gap: 28px; }
  .price-preview table { font-size: 12px; }
  .price-preview th, .price-preview td { padding-inline: 11px; }
  .price-preview td { min-width: 137px; }
  .price-context { padding-top: 0; }
  .refrigerant-layout { grid-template-columns: 1fr; gap: 30px; padding: 25px; }
  .refrigerant-layout h2 { font-size: 29px; }
  .refrigerant-layout .eyebrow { font-size: 12px; }
  .refrigerant-layout p { font-size: 13px; }
  .refrigerant-actions { gap: 18px; }
  .refrigerant-actions .button { padding-inline: 16px; }
  .fluid-checkpoints article { margin-bottom: 23px; }
  .fluid-checkpoints .regulatory-source { font-size: 10px; }
  .process-section { padding-block: 45px; }
  .project-process { grid-template-columns: 1fr 1fr; gap: 28px; }
  .project-process h3 { font-size: 22px; }
  .project-process p { font-size: 12px; }
  .sector-section { padding-block: 46px; }
  .sector-layout { gap: 30px; }
  .sector-intro h2 { font-size: 30px; margin-bottom: 19px; }
  .sector-intro p { font-size: 14px; }
  .sector-links { gap: 0 22px; }
  .sector-links a { padding-block: 14px; font-size: 13px; }
  .type-layout { grid-template-columns: 1fr 1fr; gap: 0 24px; }
  .type-layout h3 { font-size: 21px; }
  .type-layout p { font-size: 12px; }
  .budget-section { padding-block: 46px; }
  .budget-layout { grid-template-columns: 1fr; gap: 37px; }
  .budget-layout h2 { font-size: 31px; max-width: 25ch; }
  .budget-layout > div > p:not(.eyebrow) { font-size: 14px; }
  .cost-stack { padding-left: 21px; }
  .cost-stack strong { font-size: 20px; }
  .cost-stack p:not(.cost-note) { padding-bottom: 18px; margin-bottom: 18px; }
  .reading-trio { grid-template-columns: 1fr; gap: 26px; }
  .reading-trio article { padding-top: 21px; }
  .reading-trio h3 { font-size: 25px; margin-bottom: 12px; }
  .city-links { grid-template-columns: 1fr 1fr; gap: 4px 23px; }
  .city-links a { font-size: 14px; }
  .city-links small { font-size: 10px; }
  .content-layout { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .article-section + .article-section { margin-top: 36px; }
  .article-section h2, .sector-facts h2 { font-size: 26px; margin-bottom: 19px; }
  .article-section p, .article-section li { font-size: 15px; line-height: 1.8; }
  .article-sidebar { display: grid; gap: 25px; }
  .on-this-page { display: none; }
  .related-reading, .sidebar-note { margin-top: 0; }
  .sector-facts { padding: 23px; }
  .sector-facts dl > div { padding-block: 15px; }
  .resource-item { padding-block: 20px; gap: 20px; }
  .resource-item h3 { font-size: 22px; }
  .resource-item p { font-size: 13px; }
  .resource-tag { font-size: 10px; }
  th, td { padding: 12px; min-width: 115px; }
  .faq-list summary { font-size: 15px; padding-block: 20px; }
  .faq-answer { padding: 0 20px 20px 3px; font-size: 14px; }
  .closing-band { padding-block: 36px; }
  .closing-inner { flex-direction: column; align-items: start; gap: 23px; }
  .closing-inner h2 { font-size: 28px; }
  .closing-inner .button { max-width: none; }
  .local-brief { grid-template-columns: 1fr; gap: 23px; }
  .local-brief h3 { font-size: 23px; }
  .local-brief p { font-size: 14px; }
  .directory-section .resource-list { grid-template-columns: minmax(0, 1fr); }
  .directory-section .resource-item h3 { font-size: 22px; }
  .simple-page { padding-top: 30px; padding-bottom: 60px; }
  .simple-page .breadcrumbs { margin-bottom: 28px; }
  .simple-heading { margin-bottom: 37px; }
  .simple-heading h1, .status-page h1 { font-size: 36px; }
  .status-page { padding-block: 60px; }
  .status-actions { align-items: start; gap: 22px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 30px; padding-block: 40px; }
  .footer-intro { grid-column: 1 / -1; }
  .footer-intro > p { max-width: 62ch; }
  .footer-brand { font-size: 27px; }
  .footer-main nav a { font-size: 11px; }
  .footer-bottom { flex-direction: column; gap: 12px; padding-block: 20px; }
  .footer-bottom nav { gap: 8px 18px; }
  .exit-content { padding: 29px 25px; }
  .exit-content h2 { font-size: 29px; }
}
@media (max-width: 370px) {
  .brand > span { font-size: 16px; }
  .brand-mark { width: 25px; }
  .wrap { width: calc(100% - 30px); }
  .hero-copy h1 { font-size: 28px; }
  .hero-copy .hero-lead { font-size: 13px; }
  .type-layout { grid-template-columns: 1fr; }
  .sector-links { grid-template-columns: 1fr; }
  .project-options-grid { grid-template-columns: 1fr; }
  .project-process { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media print {
  .site-header, .project-panel, .network-strip, .site-footer, .closing-band, .article-sidebar, .hero-choices, .technical-sketch, .exit-dialog { display: none !important; }
  body { background: white; font-size: 11pt; color: black; }
  .conversion-hero { background: white; color: black; }
  .hero-grid, .content-layout { display: block; }
  .wrap { width: 100%; }
  .hero-copy .hero-lead, .hero-copy .eyebrow, .hero-copy .breadcrumbs { color: black; }
  .section { padding-block: 20px; }
  .hero-copy h1 { font-size: 28pt; }
  a { text-decoration: none; }
  .faq-list details > * { display: block; }
}

/* Coldroom conversion layer: copper actions, concise promises and room for the form. */
:root { --copper: #b64216; --copper-hover: #8e2d0d; --sticky-height: 88px; }
body.has-sticky-cta { padding-bottom: var(--sticky-height); }
html { scroll-padding-bottom: calc(var(--sticky-height) + 20px); }
.hero-choices .button { background: #ed9a62; color: var(--navy-deep); font-weight: 750; border-color: transparent; }
.hero-choices .button:hover { color: var(--white); background: var(--copper-hover); }
.hero-promise { margin: 12px 0 0; color: #f3d5be; font-size: 12px; }
.form-promise { display: flex; flex-wrap: wrap; gap: 5px 15px; margin: 0 0 14px; padding: 8px 10px; border-left: 3px solid var(--copper); color: #753313; background: #fff2e7; font-size: 12px; line-height: 1.5; }
.form-promise strong { font-weight: 700; }
.form-qualification { margin: 13px 0 0; padding-top: 11px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; line-height: 1.55; }
.form-qualification > span { color: var(--copper); }
.form-qualification strong { color: var(--ink); font-weight: 600; }
.closing-inner .closing-promise { margin-top: 12px; color: #713414; font-weight: 650; }
.hero-photo, .editorial-photo { margin: 28px 0 0; }
.hero-photo img { display: block; width: 100%; height: 215px; object-fit: cover; border-radius: 4px; }
.editorial-photo img { display: block; width: 100%; max-height: 300px; object-fit: cover; border-radius: 4px; }
.sticky-cta { position: fixed; bottom: 0; inset-inline: 0; z-index: 30; padding: 12px 0 calc(12px + env(safe-area-inset-bottom)); border-top: 1px solid #d9c4b5; background: #fffaf5; box-shadow: 0 -8px 25px #102f4310; }
.sticky-inner { display: flex; align-items: center; justify-content: center; gap: 24px; }
.sticky-copy { display: flex; flex-direction: column; font-size: 14px; line-height: 1.4; }
.sticky-copy > span { margin-top: 4px; font-size: 12px; color: var(--muted); }
.sticky-inner > p { margin: 0; color: #713414; font-size: 12px; font-weight: 650; }
.sticky-inner .button { min-width: 230px; box-shadow: 0 3px 0 #79270b; }
.exit-dialog { width: min(660px, calc(100% - 32px)); max-height: calc(100dvh - 40px); overflow: hidden; background: var(--white); }
.exit-content { display: flex; flex-direction: column; min-height: 0; max-height: calc(100dvh - 42px); padding: 26px 28px 18px; }
.exit-heading { padding-right: 28px; flex-shrink: 0; }
.exit-heading .eyebrow { margin-bottom: 8px; color: var(--copper); }
.exit-heading h2 { margin: 0 0 10px; font-size: 30px; }
.exit-heading > p:last-child { margin: 0 0 14px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.popup-form-scroll { min-height: 0; overflow-y: auto; overscroll-behavior: contain; scrollbar-gutter: stable; padding-right: 8px; }
.popup-iframe { min-height: 300px; width: 100%; }
.exit-content .dialog-decline { margin-top: 12px; padding: 8px; min-height: 40px; flex-shrink: 0; }
.dialog-close { z-index: 1; color: var(--ink); background: #e8eff0; width: 42px; height: 42px; }
html.dialog-open .sticky-cta { visibility: hidden; }
@media (max-width: 700px) {
  :root { --sticky-height: calc(94px + env(safe-area-inset-bottom)); }
  .hero-grid { padding-top: 18px; gap: 20px; }
  .hero-copy .eyebrow { margin-bottom: 8px; }
  .hero-copy h1 { font-size: clamp(28px, 7.2vw, 35px); }
  .hero-copy .hero-lead { margin-top: 12px; font-size: 13px; line-height: 1.55; }
  .page-home .hero-choices, .hero-choices, .hero-photo { display: none; }
  .hero-promise { margin-top: 10px; font-size: 11px; }
  .project-panel { padding: 16px 17px 14px; }
  .project-panel h2 { font-size: 24px; }
  .panel-intro { margin: 7px 0 10px; }
  .form-promise { font-size: 11px; margin-bottom: 9px; padding: 7px 9px; gap: 3px 12px; }
  .project-iframe { min-height: 300px; }
  .sticky-cta { padding-top: 10px; padding-bottom: calc(9px + env(safe-area-inset-bottom)); }
  .sticky-inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.14fr); gap: 2px 10px; align-items: center; }
  .sticky-copy { grid-row: 1 / 3; font-size: 12px; }
  .sticky-copy > span { font-size: 10px; margin-top: 4px; max-width: 18ch; line-height: 1.5; }
  .sticky-inner .button { min-width: 0; min-height: 45px; padding: 10px 9px; gap: 7px; font-size: 13px; }
  .sticky-inner > p { grid-column: 2; text-align: center; margin-top: 5px; font-size: 10px; }
  .exit-dialog { width: calc(100% - 20px); max-height: calc(100dvh - 20px - env(safe-area-inset-bottom)); border-radius: 6px; }
  .exit-content { max-height: calc(100dvh - 22px - env(safe-area-inset-bottom)); padding: 20px 17px 11px; }
  .exit-heading { padding-right: 31px; }
  .exit-heading h2 { font-size: 25px; line-height: 1.12; margin-bottom: 9px; }
  .exit-heading .eyebrow { font-size: 10px; margin-bottom: 7px; padding-right: 0; }
  .exit-heading > p:last-child { font-size: 12px; margin-bottom: 10px; }
  .popup-form-scroll { padding-right: 5px; }
  .dialog-close { top: 7px; right: 7px; width: 40px; height: 40px; }
  .exit-content .dialog-decline { margin-top: 6px; }
  .editorial-photo { margin-top: 24px; }
}
@media (max-width: 370px) {
  .sticky-copy { font-size: 11px; }
  .sticky-inner .button { font-size: 12px; }
}
@media print {
  .sticky-cta, .hero-promise, .hero-photo { display: none !important; }
  body.has-sticky-cta { padding-bottom: 0; }
}