:root{--navy:#123f4e;--navy-deep:#0d3442;--teal:#3a9c99;--mint:#c4e4d5;--mint-light:#e9f5ee;--white:#fff;--cream:#f8faf7;--muted:#5b7478;--line:#d9e7e1;--ink:#203a42}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--cream);font-family:'DM Sans',Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}img{max-width:100%;display:block}.shell{max-width:1240px;padding:0 30px;margin:0 auto}.announcement{height:38px;display:flex;align-items:center;justify-content:center;gap:10px;background:#123e4c;color:#daefea;font-size:11px;letter-spacing:.07em}.announcement strong{color:white;font-weight:700}.pulse,.status-dot{width:7px;height:7px;border-radius:50%;background:#8dd3ae;display:inline-block;box-shadow:0 0 0 4px #8dd3ae22}.bar{opacity:.4}.site-header{position:sticky;top:0;z-index:50;background:#ffffffed;backdrop-filter:blur(16px);border-bottom:1px 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.18s}.btn:hover{transform:translateY(-2px)}.btn-dark{background:var(--navy);color:white}.btn-primary{background:#b5dfce;color:#154b50}.btn-primary:hover{background:#a3d5c0}.nav-cta{padding:15px 18px}.menu-toggle{display:none}.hero{overflow:hidden;background:linear-gradient(112deg,#f8fcfa 0%,#f7fbf9 54%,#eaf5ed 100%);position:relative}.hero-halo{position:absolute;width:690px;height:690px;background:radial-gradient(circle,#d6efea 0%,#e7f4ee80 46%,transparent 72%);right:-200px;top:-100px;pointer-events:none}.hero-grid{min-height:650px;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:30px}.hero-copy{padding:70px 0 84px;position:relative;z-index:2}.eyebrow{font-size:10px;font-weight:800;letter-spacing:.24em;color:#3d837e;display:flex;align-items:center;gap:13px}.eyebrow-line{width:26px;height:1px;background:currentColor}.hero h1,h2,h3{font-family:'Manrope',sans-serif}.hero 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#d5e5dd}.trust-inner{display:flex;justify-content:space-between;align-items:center;min-height:87px;gap:20px;color:#4c6f70;font-size:12px;font-weight:700}.trust-mark{color:#4ca29a;margin-right:10px;font-size:11px}.trust-separator{width:1px;background:#cddfd8;height:23px}.section{padding:112px 0}.section-intro{display:flex;justify-content:space-between;align-items:end;gap:50px;margin-bottom:46px}.section-intro h2,.process-section h2,.faq-section h2{font-size:clamp(35px,3.5vw,51px);line-height:1.23;color:var(--navy);letter-spacing:-.055em;margin:21px 0 0}.section-intro>p{max-width:395px;color:#6a8282;font-size:15px;line-height:1.85;margin-bottom:8px}.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.service-card{min-height:340px;background:white;border:1px solid #e4ece6;border-radius:11px;padding:31px 31px 29px;position:relative;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}.service-card:hover{transform:translateY(-5px);box-shadow:0 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0}.form-feedback{margin-top:16px;padding:15px;border-radius:5px;background:#e8f6ec;font-size:12px;color:#215d56;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere}.form-feedback button{margin-top:11px;display:block;border:1px solid #539789;background:white;padding:10px 12px;border-radius:4px;color:#1d615c;font-weight:700}.site-footer{background:#f6faf7}.footer-top{display:flex;justify-content:space-between;padding-top:66px;padding-bottom:60px}.footer-brand .brand-icon{width:60px}.footer-top>div>p{font-size:12px;color:#718783;line-height:1.9;margin-top:19px}.footer-links{display:flex;gap:110px}.footer-links>div{display:flex;flex-direction:column;gap:15px}.footer-links strong{font-size:12px;color:#1c4a54;margin-bottom:7px}.footer-links a{font-size:12px;color:#647c78}.footer-links a:hover{color:#248e8a}.footer-bottom{border-top:1px solid #dce9e2;padding-top:25px;padding-bottom:28px;display:flex;justify-content:space-between;gap:20px;font-size:10px;color:#81948f}@media(max-width:1050px){.nav-links{gap:20px}.hero-grid{gap:0}.hero h1{font-size:58px}.radon-grid,.contact-grid{gap:50px}.about-grid{gap:55px}.faq-grid{gap:60px}.art-backdrop{width:350px;height:350px}.circle-one{width:440px;height:440px}.circle-two{width:500px;height:500px}.hero-symbol{width:350px}.hero-art{min-height:490px}}@media(max-width:760px){.shell{padding-left:22px;padding-right:22px}.announcement{font-size:9px;gap:7px}.nav-shell{height:71px}.brand-icon{width:46px;height:44px}.brand-type strong{font-size:25px}.brand-type small{font-size:6px}.menu-toggle{display:flex;flex-direction:column;gap:5px;background:none;border:0;padding:12px}.menu-toggle span{width:23px;height:2px;background:#174b52}.nav-links{display:none;position:absolute;top:70px;left:0;right:0;background:white;padding:24px;box-shadow:0 12px 20px #153f4020;flex-direction:column;align-items:stretch;gap:23px}.nav-links.open{display:flex}.hero-grid{grid-template-columns:1fr;min-height:0}.hero-copy{padding:76px 0 10px}.hero h1{font-size:clamp(44px,10vw,64px);margin-top:23px}.hero-desc{font-size:14px;line-height:1.85}.hero-buttons{gap:23px}.hero-art{min-height:425px}.art-backdrop{height:320px;width:320px}.circle-one{width:380px;height:380px}.circle-two{width:440px;height:440px}.hero-symbol{width:320px}.float-card{left:3px;bottom:50px}.hero-art-caption{font-size:8px;bottom:13px}.trust-inner{flex-direction:column;gap:14px;padding-top:23px;padding-bottom:23px;align-items:flex-start}.trust-separator{display:none}.section{padding:80px 0}.section-intro{display:block}.section-intro>p{margin-top:20px}.services-grid{grid-template-columns:1fr}.service-card{min-height:280px}.radon-grid,.about-grid,.faq-grid,.contact-grid{grid-template-columns:1fr}.radon-grid{padding-top:72px;padding-bottom:72px;gap:42px}.radon-visual{height:340px}.radon-copy h2,.about-copy h2,.contact-copy h2{font-size:42px}.steps{grid-template-columns:1fr 1fr;gap:30px}.about-section{padding:80px 0}.about-grid{gap:38px}.faq-grid{gap:33px}.contact-section{padding:65px 0}.contact-grid{gap:32px}.contact-copy{padding-top:0}.form-panel{padding:27px 22px}.footer-top{gap:45px;flex-direction:column}.footer-links{gap:48px}.footer-bottom{flex-direction:column}}@media(max-width:430px){.hero h1{font-size:43px}.hero-art{min-height:340px}.art-backdrop{width:260px;height:260px}.circle-one{width:325px;height:325px}.circle-two{width:365px;height:365px}.hero-symbol{width:260px}.float-card{padding:10px;bottom:30px}.float-card strong{font-size:10px}.float-card small{font-size:9px}.hero-buttons .btn{width:100%}.steps{grid-template-columns:1fr}.form-row{grid-template-columns:1fr;gap:0}.radon-facts{gap:15px}.radon-facts strong{font-size:30px}}

/* SEO-first radon testing lead-capture updates */
.hero-h1-sub{display:block;font-size:.55em;letter-spacing:-.045em;line-height:1.35;color:#3f9995;margin-top:16px}.hero h1{font-size:clamp(43px,4.9vw,69px)}.hero-desc{max-width:575px}.honeypot{position:absolute!important;left:-9999px!important;opacity:0!important;width:1px!important;height:1px!important;overflow:hidden!important}.form-disclaimer a{text-decoration:underline}.form-submit{font-size:14px}.contact-section{scroll-margin-top:90px}#radon,#services,#faq{scroll-margin-top:90px}

/* Lead qualification */
.intent-fieldset{border:0;margin:6px 0 20px;padding:0;min-width:0}
.intent-fieldset legend{font-size:13px;font-weight:800;color:#254f58;margin-bottom:13px}
.required-mark{color:#bd5a39}
form label.intent-option{display:flex;flex-direction:row;align-items:flex-start;gap:12px;border:1px solid #d9e6e1;border-radius:8px;padding:15px;background:#fafdfb;cursor:pointer;margin:0 0 10px;font-size:12px;font-weight:500}
.intent-option input[type=radio]{accent-color:#268f83;flex:none;margin:3px 0 0;width:17px;height:17px}
.intent-option span{display:flex;flex-direction:column;gap:5px}
.intent-option strong{font-size:13px;color:#214c53;line-height:1.45}
.intent-option small{font-size:11px;font-weight:400;color:#667e7f;line-height:1.55}
.intent-option:has(input:checked){background:#e8f5ef;border-color:#389d91;box-shadow:0 0 0 2px #c4e8df}
.conditional-questions{background:#f2f9f5;border-left:3px solid #57aaa0;border-radius:6px;padding:18px 17px 1px;margin:0 0 17px}
.conditional-questions[hidden]{display:none}
.field-hint{font-weight:400;color:#718b89}
.result-field{display:flex;align-items:center;gap:12px}
.result-field span{font-size:12px;color:#4f7673;white-space:nowrap}

/* Conversion-centric home page */
.quick-path{margin-top:32px;max-width:580px}.quick-path>p{font-size:10px;font-weight:800;letter-spacing:.18em;color:#548b87;margin:0 0 11px}.quick-path>a{display:flex;align-items:center;gap:14px;margin:8px 0;padding:13px 16px;border:1px solid #d4e7de;border-radius:9px;background:#fff;box-shadow:0 4px 15px #1d56550a;transition:background .2s,transform .2s}.quick-path>a:hover{background:#eaf7f1;transform:translateX(3px)}.quick-path>a>span:last-child{margin-left:auto;color:#418f87}.quick-path-symbol{font-size:11px!important;font-weight:800!important;color:#3f8c81!important;background:#e6f5ed;border-radius:6px;padding:10px}.quick-path strong{display:block;color:#234c52;font-size:13px}.quick-path small{display:block;color:#708987;font-size:11px;margin-top:4px}.mobile-contact-cta{display:none}.subpage-hero{background:linear-gradient(120deg,#e9f5ee,#f9fcfa);padding:96px 0 82px}.subpage-hero .eyebrow{margin-bottom:23px}.subpage-hero h1{font-family:Manrope,sans-serif;letter-spacing:-.06em;font-size:clamp(39px,5vw,64px);line-height:1.14;max-width:850px;color:var(--navy);margin:0 0 22px}.subpage-hero p{font-size:17px;line-height:1.8;color:#577775;max-width:760px}.subpage-content{background:#fff;padding:82px 0}.subpage-content h2{font-size:clamp(26px,3vw,38px);letter-spacing:-.04em;color:var(--navy)}.subpage-content p,.subpage-content li{line-height:1.9;color:#5d7879}.subpage-content .content-width{max-width:900px}.subpage-content .help-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:30px 0}.help-grid article{padding:24px;background:#f2f8f4;border:1px solid #dcece3;border-radius:10px}.help-grid h3{font-size:18px;color:var(--navy)}.help-grid p{font-size:13px}.subpage-cta{background:#123f4e;color:#fff;padding:70px 0}.subpage-cta h2{color:#fff;font-size:34px;letter-spacing:-.05em}.subpage-cta p{color:#c3dbd8;line-height:1.8}.subpage-cta .btn{margin-top:15px}.source-note{font-size:12px;border-top:1px solid #e1ebe6;padding-top:20px;margin-top:30px}.source-note a{text-decoration:underline;color:#23766e}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #219b8d;outline-offset:4px}
@media(max-width:760px){.subpage-content .help-grid{grid-template-columns:1fr}.subpage-hero{padding:65px 0 55px}.subpage-hero p{font-size:15px}.mobile-contact-cta{display:flex;align-items:center;justify-content:space-between;position:fixed;bottom:0;left:0;right:0;z-index:60;background:#b5dfce;color:#123f4e;font-size:13px;font-weight:800;padding:17px 24px;box-shadow:0 -6px 28px #102f3533}body{padding-bottom:54px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}

.founder-signoff{font-weight:700;color:#276d75;margin:4px 0 20px;letter-spacing:.01em}

.launch-banner{max-width:1140px;margin:18px auto;padding:14px 22px;border:1px solid #b4d2c1;border-radius:10px;background:#f0f8f1;color:#173e2c;font-size:15px;line-height:1.6}.contact-method{margin:16px 0}.contact-method .intent-option{margin:5px 0}.contact-method .field-hint{font-size:13px}
/* Clear privacy assurance near primary homepage call to action */
.hero-privacy{display:flex;align-items:flex-start;gap:12px;max-width:580px;margin-top:22px;padding:14px 16px;border:1px solid #b6ddcf;border-radius:10px;background:#e8f5ee;color:#24524e;font-size:12px;line-height:1.65;box-shadow:0 4px 16px #215c4b0b}
.hero-privacy-icon{width:24px;height:24px;flex:0 0 24px;border-radius:50%;display:grid;place-items:center;background:#247d70;color:#fff;font-weight:800;font-size:14px}
.hero-privacy strong{font-weight:800;color:#16483f}
.hero-privacy a{font-weight:800;text-decoration:underline;text-underline-offset:2px;white-space:nowrap}
@media(max-width:600px){.hero-privacy{font-size:11.5px;padding:12px 13px;margin-top:19px}}

/* In-page service navigation; fixed header clearance */
#radon-testing,#radon-mitigation{scroll-margin-top:112px}
@media(max-width:760px){#radon-testing,#radon-mitigation{scroll-margin-top:94px}}

/* Whole-card interactive links: accessible by keyboard and mouse. */
a.service-card{cursor:pointer;text-decoration:none;color:inherit}
a.service-card .service-link{margin-top:auto;font-weight:800;color:#2f8882;font-size:12px}
a.service-card .service-link span{margin-left:8px}
a.service-card:focus-visible{outline:3px solid #238d82;outline-offset:5px;box-shadow:0 12px 38px #214a4720}
a.service-card:hover .service-link{text-decoration:underline;text-underline-offset:3px}