:root{--paper:#f6f5f1;--white:#fff;--ink:#17201c;--muted:#68716b;--green:#26734d;--deep:#173d2b;--soft:#e9efe8;--amber:#f3a536;--line:#e5e7e1;--radius:22px;--shadow:0 18px 50px rgba(26,47,35,.09)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Manrope,Arial,sans-serif;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}button,input{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.container{width:min(1180px,calc(100% - 64px));margin-inline:auto}.section-pad{padding:100px 0}.header{height:82px;position:sticky;top:0;z-index:50;background:rgba(246,245,241,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(23,32,28,.06)}.header-inner{height:100%;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;min-width:206px}.brand-mark{width:37px;height:37px;background:var(--deep);border-radius:12px;display:grid;place-items:center}.brand-mark svg{width:23px;fill:none;stroke:#f9bd58;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.brand strong{display:block;font-size:17px;line-height:1.15;letter-spacing:-.6px}.brand small{display:block;font-size:9px;color:var(--muted);margin-top:4px;letter-spacing:.05px}.nav{display:flex;align-items:center;justify-content:center;gap:19px;flex:1}.nav a,.header-contact span{font-size:10px;color:#4e5852;white-space:nowrap}.nav a:hover,.footer a:hover{color:var(--green)}.header-contact{display:grid;gap:2px}.header-contact span{font-size:9px}.phone{font-weight:800;font-size:14px;white-space:nowrap}.button{border:0;background:var(--green);color:white;border-radius:12px;padding:16px 21px;font-size:13px;font-weight:800;display:inline-flex;justify-content:center;align-items:center;gap:15px;transition:.2s ease;box-shadow:0 6px 15px rgba(38,115,77,.15)}.button:hover{background:#1c5b3c;transform:translateY(-1px)}.button span{font-size:18px;font-weight:500;line-height:1}.button-small{padding:12px 15px;font-size:10px;border-radius:10px;white-space:nowrap}.button-outline{border:1px solid #bdc7be;background:transparent;color:var(--ink);box-shadow:none}.button-outline:hover{background:var(--white);color:var(--ink)}.button-dark{background:var(--deep)}.button-dark:hover{background:#102f20}.button-amber{background:var(--amber);color:#20261f;box-shadow:none}.button-amber:hover{background:#ffc05a}.menu-toggle{display:none;border:0;background:none;padding:8px}.menu-toggle span{display:block;width:23px;height:2px;margin:5px;background:var(--ink)}
.hero{padding:50px 0 35px}.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:48px;align-items:center}.hero-copy{padding:4px 0 25px}.eyebrow,.kicker{font-weight:800;font-size:10px;letter-spacing:.11em;text-transform:uppercase;color:var(--green)}.eyebrow{display:flex;align-items:center;gap:9px;margin-bottom:22px;text-transform:none;letter-spacing:0;font-size:11px}.pulse{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px rgba(38,115,77,.12)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(38px,4vw,54px);letter-spacing:-.065em;line-height:1.08;margin:0 0 20px;font-weight:800;max-width:600px}h1 em{color:var(--green);font-style:normal;white-space:nowrap}.hero-lead{font-size:15px;max-width:545px;color:#505b54;line-height:1.75;margin:0 0 15px}.minute{color:var(--deep);font-size:12px;font-weight:700;margin:0 0 18px;display:flex;gap:9px;align-items:center}.minute-icon{background:#e6eee6;color:var(--green);width:22px;height:22px;border-radius:7px;display:grid;place-items:center}.hero-points{padding:0;margin:0 0 23px;list-style:none;display:flex;gap:12px 18px;flex-wrap:wrap;max-width:560px}.hero-points li{font-size:10px;color:#4b5850;display:flex;align-items:center;gap:7px}.hero-points li:before{content:'✓';color:var(--green);font-size:12px;font-weight:800}.hero-actions{display:flex;gap:10px}.hero-actions .button{min-height:52px}.hero-note{font-size:10px;color:#778079;margin:10px 0 0}.hero-visual{position:relative;height:505px;border-radius:24px;overflow:hidden;background:#d9e0d8}.hero-photo{width:100%;height:100%;object-fit:cover;object-position:center}.hero-visual:after{content:'';position:absolute;inset:45% 0 0;background:linear-gradient(transparent,rgba(18,34,24,.34));pointer-events:none}.photo-label{position:absolute;z-index:1;bottom:22px;left:22px;display:flex;gap:10px;align-items:center;background:rgba(255,255,255,.94);padding:11px 15px;border-radius:12px;box-shadow:var(--shadow)}.label-dot{width:9px;height:9px;background:#5aa66f;border-radius:50%}.photo-label strong,.photo-label small{display:block}.photo-label strong{font-size:11px}.photo-label small{font-size:9px;color:var(--muted)}.check-card{position:absolute;z-index:2;right:17px;top:17px;width:211px;padding:18px;background:white;border-radius:17px;box-shadow:var(--shadow)}.check-icon{color:var(--green);background:var(--soft);width:29px;height:29px;display:grid;place-items:center;border-radius:9px;margin-bottom:10px}.check-card strong{font-size:13px;line-height:1.45;display:block}.check-card p{font-size:10px;color:var(--muted);line-height:1.55;margin:6px 0 10px}.check-card button{border:0;padding:0;color:var(--green);font-size:10px;font-weight:800;background:none}.check-card button span{font-size:15px;margin-left:5px}.hero-index{position:absolute;z-index:2;bottom:27px;right:25px;color:white;font-size:10px;letter-spacing:.12em}.hero-index span{display:inline-block;width:28px;height:1px;background:rgba(255,255,255,.7);vertical-align:middle;margin:0 7px}.diagram-wrap{margin-top:48px}.system-diagram{padding:19px 27px;background:#fff;border:1px solid #e8e9e3;border-radius:18px}.diagram-caption{color:#7a837d;font-size:9px;text-transform:uppercase;letter-spacing:.11em}.diagram-flow{display:flex;align-items:center;gap:20px;margin-top:8px}.diagram-home,.diagram-tank{display:flex;align-items:center;gap:10px;font-size:11px;font-weight:800;white-space:nowrap}.diagram-home svg,.diagram-tank svg{width:39px;height:39px;fill:none;stroke:var(--green);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.diagram-tank svg{width:48px}.pipe{height:2px;flex:1;position:relative;background:#cad6ca;display:flex;justify-content:space-around;align-items:center}.pipe i{width:7px;height:7px;border-radius:50%;background:var(--green)}.pipe span{position:absolute;top:8px;left:50%;transform:translateX(-50%);font-size:8px;color:#818b83}.diagram-caption-right{font-size:9px;color:var(--muted);line-height:1.45;padding-left:20px;border-left:1px solid var(--line)}
.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:36px}.section-heading h2,.included-copy h2,.calculator-intro h2,.engineer-copy h2,.faq-title h2,.final-card h2{font-size:clamp(31px,3.5vw,43px);line-height:1.15;letter-spacing:-.055em;margin:10px 0 0}.section-heading>p{max-width:395px;color:var(--muted);font-size:12px;line-height:1.75;margin:0 0 2px}.compact{margin-bottom:23px}.timing-section{padding:50px 0 60px;background:#edf1eb}.timing-options{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.timing-card{position:relative;text-align:left;background:white;border:1px solid transparent;border-radius:15px;min-height:115px;padding:16px 18px;transition:.18s}.timing-card:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(26,47,35,.08)}.timing-card.selected{border-color:var(--green);box-shadow:0 0 0 2px rgba(38,115,77,.1)}.timing-emoji{display:block;color:var(--green);font-size:17px;height:26px}.timing-card strong,.timing-card small{display:block}.timing-card strong{font-size:12px}.timing-card small{font-size:9px;color:var(--muted);margin-top:4px}.radio{position:absolute;right:14px;top:14px;width:15px;height:15px;border:1px solid #cbd1ca;border-radius:50%}.selected .radio{border:5px solid var(--green)}.timing-result{display:flex;justify-content:space-between;align-items:center;min-height:43px;color:#6c766e;font-size:10px}.text-link{border:0;background:none;color:var(--green);font-size:11px;font-weight:800}.text-link span{font-size:15px;margin-left:5px}.pricing-section{padding-top:95px;padding-bottom:96px}.price-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.price-card{position:relative;background:white;border:1px solid #e8e9e3;border-radius:18px;padding:24px 21px 21px;min-height:236px;transition:.2s}.price-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.price-card.featured{border:1.5px solid var(--green);background:#fbfcf9}.popular{position:absolute;top:0;right:17px;background:var(--green);color:white;padding:5px 10px;border-radius:0 0 8px 8px;font-size:8px;font-weight:800;letter-spacing:.06em}.house-area{font-size:10px;color:#7d867f}.tank-volume{font-size:20px;font-weight:800;letter-spacing:-.05em;margin:13px 0 5px}.tank-label{font-size:9px;color:var(--muted)}.price{font-size:25px;font-weight:800;letter-spacing:-.055em;margin:23px 0 7px}.price-card p{font-size:9px;color:var(--muted);margin:0}.price-card button{margin-top:15px;border:0;background:none;padding:0;font-size:9px;font-weight:800;color:var(--green)}.disclaimer{font-size:9px;color:#858d86;line-height:1.6;margin:18px 0}.pricing-bottom{padding:15px 0 0;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#58625a}.pricing-bottom .button{font-size:11px;padding:14px 18px}.included-section{background:white}.included-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.included-visual{height:515px;position:relative;border-radius:22px;overflow:hidden;background:#dce3da}.included-visual>img{width:100%;height:100%;object-fit:cover}.included-visual:after{content:'';position:absolute;inset:65% 0 0;background:linear-gradient(transparent,rgba(15,30,19,.5))}.included-stamp{position:absolute;z-index:1;top:20px;left:20px;display:flex;align-items:center;gap:10px;background:#fff;padding:12px 14px;border-radius:12px}.included-stamp strong{font-size:16px;line-height:.92;color:var(--green);text-transform:uppercase}.included-stamp span{font-size:8px;color:var(--muted);line-height:1.5}.visual-caption{position:absolute;z-index:1;left:22px;bottom:20px;color:white;font-size:11px;font-weight:700}.visual-caption span{display:block;font-size:8px;opacity:.75;margin-bottom:5px;letter-spacing:.1em}.included-copy h2{margin-bottom:13px}.included-copy>p{font-size:12px;color:var(--muted);line-height:1.75;max-width:480px;margin-bottom:21px}.check-list{columns:2;list-style:none;padding:0;margin:0 0 24px;column-gap:18px}.check-list li{break-inside:avoid;position:relative;padding:0 0 11px 19px;font-size:10px;color:#4f5b53}.check-list li:before{content:'✓';position:absolute;left:0;color:var(--green);font-weight:800}.included-copy .button{font-size:11px;padding:14px 18px}
.calculator-section{background:var(--deep);color:white;padding:90px 0}.calculator-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:80px;align-items:center}.kicker-light{color:#a8d4b4}.calculator-intro h2{font-size:43px;margin:12px 0}.calculator-intro>p{max-width:390px;font-size:12px;color:rgba(255,255,255,.7);line-height:1.8}.calc-note{border-top:1px solid rgba(255,255,255,.18);padding-top:15px;margin-top:28px;font-size:10px;color:rgba(255,255,255,.66);line-height:1.6;display:flex;gap:9px}.calc-note span{width:17px;height:17px;border:1px solid rgba(255,255,255,.5);border-radius:50%;display:grid;place-items:center;font-size:9px}.calc-decoration{font-size:35px;font-weight:800;letter-spacing:-.08em;opacity:.14;margin-top:38px}.calc-decoration span{font-size:13px;letter-spacing:0}.calculator-card{background:#fff;color:var(--ink);padding:31px 34px;border-radius:20px;min-height:390px;box-shadow:0 20px 55px rgba(0,0,0,.12)}.progress-head{display:flex;justify-content:space-between;font-size:10px;font-weight:700;color:#758078}.progress-number{color:var(--green)}.progress-track{height:4px;background:#e7ebe5;border-radius:4px;margin:11px 0 25px;overflow:hidden}.progress-track i{display:block;width:25%;height:100%;background:var(--green);transition:.25s}.calc-question{font-size:22px;letter-spacing:-.04em;line-height:1.25;margin:0 0 6px}.calc-hint{font-size:10px;color:var(--muted);margin-bottom:18px}.answer-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}.answer-option{background:#fafbf9;border:1px solid #e7eae4;border-radius:11px;min-height:54px;text-align:left;padding:10px 13px;color:var(--ink);font-size:11px;font-weight:700;transition:.15s}.answer-option:hover,.answer-option.selected{border-color:var(--green);background:#f1f7f1}.answer-option small{display:block;color:var(--muted);font-size:9px;font-weight:400;margin-top:3px}.calc-footer{display:flex;justify-content:space-between;align-items:center;margin-top:20px}.calc-back{border:0;background:none;color:#7b847d;font-size:10px;padding:8px 0}.calc-next{padding:12px 17px;font-size:10px}.calc-contact{display:grid;grid-template-columns:1fr 1fr;gap:10px}.calc-contact label{font-size:9px;color:#6b756e;display:block}.calc-contact input{width:100%;height:45px;border:1px solid #dfe4dd;border-radius:9px;padding:0 12px;margin-top:6px;outline:none;font-size:12px}.calc-contact input:focus{border-color:var(--green)}.calc-consent{grid-column:1/-1;display:flex;align-items:flex-start;gap:8px;font-size:9px;color:#6d776f}.calc-consent input{width:14px;height:14px;margin:1px 0 0}.calc-submit{grid-column:1/-1;width:100%;height:48px}.calc-result{background:#f1f6ef;border-radius:13px;padding:18px;margin:12px 0}.calc-result strong{font-size:15px}.calc-result p{font-size:10px;color:var(--muted);margin:6px 0 0}.calc-result .result-price{font-size:22px;color:var(--green);font-weight:800;margin-top:8px}.result-note{font-size:9px;color:#7a847c;line-height:1.55}.calc-success{text-align:center;padding:55px 5px}.success-icon{width:48px;height:48px;background:#e7f2e7;color:var(--green);display:grid;place-items:center;border-radius:50%;font-size:22px;margin:0 auto 15px}.calc-success h3{font-size:22px;margin-bottom:6px}.calc-success p{font-size:11px;color:var(--muted)}
.cases-section{background:var(--paper)}.cases-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:14px}.case-card{height:355px;border-radius:19px;overflow:hidden;position:relative;background:#dfe5dc}.case-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s}.case-card:hover img{transform:scale(1.025)}.case-card:after{content:'';position:absolute;inset:30% 0 0;background:linear-gradient(transparent,rgba(11,25,16,.8))}.case-overlay{position:absolute;z-index:1;left:23px;right:20px;bottom:21px;color:white}.case-tag{font-size:8px;padding:5px 8px;border:1px solid rgba(255,255,255,.55);border-radius:20px}.case-overlay h3{font-size:20px;margin:12px 0 9px;letter-spacing:-.04em}.case-data{display:flex;gap:14px;font-size:9px;color:rgba(255,255,255,.83)}.placeholder-note{font-size:9px;color:#8a928b;margin:13px 0 0}.steps-section{background:#fff}.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.step-card{border:1px solid #e8eae5;border-radius:17px;padding:21px 18px;min-height:208px;position:relative}.step-card>span{font-size:9px;color:#929a93;letter-spacing:.1em}.step-icon{width:34px;height:34px;border-radius:10px;background:#eaf1e9;color:var(--green);display:grid;place-items:center;margin:18px 0 12px;font-weight:800}.step-card h3{font-size:12px;margin:0 0 7px}.step-card p{font-size:9px;color:var(--muted);line-height:1.65;margin:0}.steps-section .disclaimer{margin-top:14px}
.engineer-section{background:var(--paper);padding-top:70px;padding-bottom:70px}.engineer-card{background:var(--deep);color:white;border-radius:24px;display:grid;grid-template-columns:1fr .72fr;gap:70px;padding:47px 58px;position:relative;overflow:hidden}.engineer-card:after{content:'M';position:absolute;right:37%;bottom:-180px;font-size:430px;font-weight:800;color:rgba(255,255,255,.025);line-height:1;pointer-events:none}.engineer-copy,.lead-form{position:relative;z-index:1}.engineer-copy h2{font-size:40px;margin:13px 0}.engineer-copy>p{font-size:11px;max-width:420px;color:rgba(255,255,255,.7);line-height:1.8}.engineer-contact{display:flex;gap:12px;align-items:center;margin-top:28px}.contact-icon{display:grid;place-items:center;background:rgba(255,255,255,.1);width:38px;height:38px;border-radius:11px;color:#b9dcbd}.engineer-contact small,.engineer-contact a{display:block}.engineer-contact small{font-size:9px;color:rgba(255,255,255,.6)}.engineer-contact a{font-size:14px;font-weight:800}.lead-form{background:white;color:var(--ink);border-radius:16px;padding:23px;display:flex;flex-direction:column}.lead-form>label:not(.consent){font-size:9px;font-weight:700;margin-bottom:5px}.lead-form>input{height:42px;border:1px solid #e1e5df;border-radius:8px;padding:0 11px;margin-bottom:12px;font-size:11px;outline:none}.lead-form>input:focus{border-color:var(--green)}.consent{display:flex;gap:8px;align-items:flex-start;margin:0 0 14px;font-size:8px;color:#68736b}.consent input{margin:2px 0 0;width:13px;height:13px}.lead-form .button{min-height:44px;font-size:11px}.form-privacy{font-size:8px;color:#858e87;margin-top:9px;text-align:center}.form-privacy a{text-decoration:underline}.form-success{font-size:10px;background:#edf5ed;color:#23583a;border-radius:8px;padding:12px;margin-top:12px}.reviews-section{padding-top:80px;padding-bottom:80px}.review-placeholder{border:1px solid #e2e6df;background:#fff;border-radius:17px;padding:24px;display:flex;align-items:center;gap:18px}.review-quote{font-size:55px;line-height:.8;color:#9ebba3;font-family:Georgia}.review-placeholder strong{font-size:12px}.review-placeholder p{font-size:9px;color:var(--muted);margin:6px 0 0}.review-stars{margin-left:auto;color:#e9a53c;letter-spacing:.1em;font-size:14px}.review-footnote{font-size:9px;color:#8a938b;margin:12px 0}.faq-section{background:#fff}.faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:90px}.faq-title h2{margin:11px 0}.faq-title>p{font-size:11px;color:var(--muted);max-width:230px;margin:12px 0 22px}.faq-phone{color:var(--green)}.faq-phone span{font-size:17px;margin-left:7px}.faq-list details{border-bottom:1px solid #e7e9e4;padding:15px 0}.faq-list summary{list-style:none;cursor:pointer;font-size:12px;font-weight:800;display:flex;justify-content:space-between;align-items:center}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary span{width:21px;height:21px;border-radius:50%;background:#edf2eb;position:relative;flex:none;margin-left:20px}.faq-list summary span:before,.faq-list summary span:after{content:'';position:absolute;background:var(--green);width:8px;height:1px;top:10px;left:6.5px}.faq-list summary span:after{transform:rotate(90deg);transition:.15s}.faq-list details[open] summary span:after{transform:rotate(0)}.faq-list details p{font-size:10px;line-height:1.7;color:var(--muted);max-width:590px;margin:10px 35px 0 0}.final-cta{padding-top:75px;padding-bottom:75px}.final-card{background:var(--green);color:white;border-radius:23px;padding:43px 48px;display:flex;justify-content:space-between;align-items:center;gap:30px}.final-card h2{font-size:34px;margin:10px 0}.final-card p{font-size:10px;color:rgba(255,255,255,.73);max-width:580px;margin:0;line-height:1.7}.final-actions{display:grid;min-width:210px;gap:8px;text-align:center}.final-actions .button{white-space:nowrap;font-size:10px;padding:14px}.final-phone{border:0;background:none;color:#e5f0e5;font-size:10px}.final-actions>a{font-size:13px;font-weight:800}.footer{background:#17231c;color:white;padding:37px 0 16px}.footer-main{display:grid;grid-template-columns:1fr auto auto;gap:35px;align-items:center;padding-bottom:29px}.brand-footer small{color:rgba(255,255,255,.55)}.brand-footer .brand-mark{background:rgba(255,255,255,.1)}.footer-contact small,.footer-contact a{display:block}.footer-contact small{font-size:8px;color:rgba(255,255,255,.56)}.footer-contact a{font-size:13px;font-weight:800}.footer-links{display:grid;gap:5px}.footer-links a{font-size:8px;color:rgba(255,255,255,.66)}.footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:13px;display:flex;justify-content:space-between;color:rgba(255,255,255,.46);font-size:8px}.mobile-bar{display:none}.toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#17231c;color:white;padding:12px 18px;border-radius:11px;font-size:11px;z-index:100;transition:.2s}.toast.visible{opacity:1;transform:translate(-50%,0)}
@media(max-width:1100px){.container{width:min(100% - 48px,1000px)}.header-inner{gap:16px}.brand{min-width:190px}.nav{gap:12px}.nav a{font-size:9px}.header-cta{display:none}.hero-grid{gap:30px}.hero-visual{height:460px}.hero-points{gap:9px}.hero-points li{font-size:9px}.included-grid{gap:48px}.calculator-grid{gap:42px}.engineer-card{gap:40px;padding:42px}.faq-grid{gap:55px}}
@media(max-width:820px){.section-pad{padding:76px 0}.container{width:calc(100% - 40px)}.header{height:70px}.header-inner{justify-content:space-between}.nav{display:none;position:absolute;top:70px;left:0;right:0;padding:18px 24px 22px;background:var(--paper);box-shadow:0 12px 18px rgba(20,35,25,.1);align-items:stretch;flex-direction:column;gap:0}.nav.open{display:flex}.nav a{font-size:13px;padding:10px 0;border-bottom:1px solid var(--line)}.header-contact{margin-left:auto}.header-contact span{font-size:8px}.phone{font-size:12px}.menu-toggle{display:block}.hero{padding-top:36px}.hero-grid{grid-template-columns:1fr 1fr;gap:20px}.hero-visual{height:420px}.hero-copy{padding:0}.eyebrow{font-size:9px;margin-bottom:17px}h1{font-size:clamp(36px,5vw,47px)}.hero-lead{font-size:12px}.hero-points{display:grid;gap:7px}.hero-points li{font-size:9px}.hero-actions{flex-direction:column;align-items:stretch;max-width:260px}.hero-actions .button{min-height:46px}.check-card{width:180px;padding:14px;right:12px;top:12px}.diagram-wrap{margin-top:33px}.diagram-flow{gap:12px}.diagram-caption-right{display:none}.timing-options{grid-template-columns:repeat(2,1fr)}.timing-card{min-height:100px}.price-grid{grid-template-columns:repeat(2,1fr)}.price-card{min-height:215px}.included-grid{gap:30px}.included-visual{height:460px}.check-list{columns:1}.calculator-grid{grid-template-columns:.75fr 1.25fr;gap:24px}.calculator-intro h2{font-size:34px}.calculator-card{padding:25px 24px}.cases-grid{grid-template-columns:1fr 1fr}.case-card{height:300px}.steps-grid{grid-template-columns:repeat(2,1fr)}.engineer-card{grid-template-columns:1fr .95fr;gap:25px;padding:32px}.engineer-copy h2{font-size:32px}.faq-grid{gap:35px}.final-card{padding:35px;align-items:flex-start}.final-card h2{font-size:29px}.footer-main{grid-template-columns:1fr auto;gap:18px}.footer-links{grid-column:1/-1;display:flex;gap:20px}}
@media(max-width:600px){html{scroll-padding-top:76px}body{font-size:14px}.container{width:calc(100% - 36px)}.section-pad{padding:61px 0}.header{height:64px}.header-inner{gap:8px}.brand{min-width:0;gap:8px}.brand-mark{width:32px;height:32px;border-radius:10px}.brand-mark svg{width:20px}.brand strong{font-size:14px}.brand small{font-size:7px}.header-contact{margin-left:auto}.header-contact span{display:none}.phone{font-size:11px}.menu-toggle{padding:5px}.nav{top:64px}.hero{padding:30px 0 25px}.hero-grid{grid-template-columns:1fr;gap:22px}.hero-copy{padding:0}.eyebrow{font-size:9px;margin-bottom:14px}.pulse{width:7px;height:7px}h1{font-size:clamp(37px,10vw,47px);line-height:1.07;max-width:440px;margin-bottom:14px}.hero-lead{font-size:12px;line-height:1.65;margin-bottom:9px}.minute{font-size:10px;margin-bottom:13px}.hero-points{display:grid;grid-template-columns:1fr 1fr;gap:7px 8px;margin-bottom:17px}.hero-points li{font-size:8px;line-height:1.4;align-items:flex-start}.hero-actions{display:grid;grid-template-columns:1fr 1fr;max-width:none;gap:8px}.hero-actions .button{padding:12px 10px;min-height:47px;font-size:9px;gap:5px;border-radius:10px}.hero-actions .button span{font-size:14px}.hero-note{font-size:8px;margin-top:7px}.hero-visual{height:390px;border-radius:18px}.check-card{width:160px;padding:12px;right:10px;top:10px}.check-icon{width:24px;height:24px;margin-bottom:6px}.check-card strong{font-size:11px}.check-card p{font-size:8px;margin:5px 0 6px}.check-card button{font-size:9px}.photo-label{left:12px;bottom:13px;padding:9px 11px}.photo-label strong{font-size:9px}.photo-label small{font-size:7px}.hero-index{right:14px;bottom:17px;font-size:8px}.diagram-wrap{margin-top:18px}.system-diagram{padding:13px 12px;border-radius:13px}.diagram-caption{font-size:7px}.diagram-flow{gap:8px;margin-top:8px}.diagram-home,.diagram-tank{font-size:8px;gap:4px}.diagram-home svg{width:26px;height:26px}.diagram-tank svg{width:32px;height:28px}.pipe span{font-size:6px;top:5px}.pipe i{width:5px;height:5px}.section-heading{display:block;margin-bottom:23px}.section-heading h2,.included-copy h2,.faq-title h2{font-size:30px;margin-top:8px}.section-heading>p{font-size:10px;margin-top:11px}.kicker{font-size:8px}.timing-section{padding:39px 0 42px}.timing-options{gap:8px}.timing-card{min-height:102px;padding:13px 11px;border-radius:12px}.timing-emoji{font-size:14px;height:21px}.timing-card strong{font-size:9px;line-height:1.4;padding-right:3px}.timing-card small{font-size:7px}.radio{right:9px;top:9px;width:12px;height:12px}.selected .radio{border-width:4px}.timing-result{font-size:8px;min-height:44px;gap:6px}.text-link{font-size:8px;padding:4px 0}.pricing-section{padding:62px 0}.desktop-only{display:none}.price-grid{gap:8px}.price-card{padding:17px 13px 14px;min-height:190px;border-radius:13px}.house-area{font-size:8px}.tank-volume{font-size:16px;margin:10px 0 3px}.tank-label{font-size:8px}.price{font-size:20px;margin:17px 0 5px}.price-card p{font-size:8px}.price-card button{font-size:8px;margin-top:10px}.popular{right:9px;padding:4px 7px;font-size:6px}.disclaimer{font-size:8px;margin:13px 0}.pricing-bottom{display:grid;gap:9px;padding-top:12px;font-size:9px}.pricing-bottom .button{width:100%;font-size:10px}.included-section{padding:58px 0}.included-grid{grid-template-columns:1fr;gap:24px}.included-visual{height:320px;border-radius:17px}.included-copy h2{font-size:29px}.included-copy>p{font-size:10px;margin-bottom:15px}.check-list{columns:2;column-gap:8px;margin-bottom:14px}.check-list li{font-size:8px;padding-left:15px;padding-bottom:9px;line-height:1.45}.included-copy .button{width:100%;font-size:10px}.calculator-section{padding:57px 0}.calculator-grid{grid-template-columns:1fr;gap:24px}.calculator-intro h2{font-size:32px;margin:8px 0}.calculator-intro>p{font-size:10px;line-height:1.65;margin-bottom:10px}.calc-note{margin-top:13px;padding-top:10px;font-size:9px}.calc-decoration{display:none}.calculator-card{padding:21px 17px;min-height:365px;border-radius:16px}.progress-head{font-size:9px}.progress-track{margin:9px 0 20px}.calc-question{font-size:20px}.calc-hint{font-size:9px}.answer-grid{gap:7px}.answer-option{min-height:51px;padding:9px;font-size:9px}.answer-option small{font-size:8px}.calc-contact{gap:7px}.calc-contact label{font-size:8px}.calc-contact input{height:42px;padding:0 8px;font-size:10px}.calc-consent{font-size:8px}.cases-section{padding:60px 0}.cases-grid{grid-template-columns:1fr}.case-card{height:270px;border-radius:15px}.case-overlay{left:16px;bottom:16px}.case-overlay h3{font-size:16px}.case-data{font-size:8px;gap:10px}.placeholder-note{font-size:8px;line-height:1.5}.steps-section{padding:59px 0}.steps-grid{gap:8px}.step-card{padding:15px 12px;min-height:190px;border-radius:13px}.step-icon{margin:14px 0 10px;width:30px;height:30px}.step-card h3{font-size:10px}.step-card p{font-size:8px}.engineer-section{padding:46px 0}.engineer-card{grid-template-columns:1fr;gap:21px;padding:27px 20px;border-radius:18px}.engineer-copy h2{font-size:29px;margin:9px 0}.engineer-copy>p{font-size:9px}.engineer-contact{margin-top:16px}.lead-form{padding:18px}.reviews-section{padding:56px 0}.review-placeholder{padding:16px;gap:10px;align-items:flex-start}.review-quote{font-size:40px}.review-placeholder strong{font-size:10px}.review-placeholder p{font-size:8px;line-height:1.5}.review-stars{font-size:10px;letter-spacing:0}.review-footnote{font-size:8px}.faq-section{padding:58px 0}.faq-grid{grid-template-columns:1fr;gap:22px}.faq-title>p{font-size:10px;margin:8px 0 12px}.faq-phone{font-size:12px}.faq-list details{padding:13px 0}.faq-list summary{font-size:10px}.faq-list details p{font-size:9px}.final-cta{padding:49px 0}.final-card{display:block;padding:25px 21px;border-radius:18px}.final-card h2{font-size:27px}.final-card p{font-size:9px}.final-actions{margin-top:17px;grid-template-columns:1fr 1fr;min-width:0;align-items:center}.final-actions .button{grid-column:1/-1}.final-actions>a{font-size:11px}.final-phone{font-size:9px}.footer{padding:29px 0 75px}.footer-main{grid-template-columns:1fr 1fr;gap:17px 10px}.brand-footer{grid-column:1/-1}.brand-footer small{max-width:235px;line-height:1.4}.footer-contact{grid-column:1}.footer-contact a{font-size:11px}.footer-links{grid-column:2;display:grid;gap:5px}.footer-links a{font-size:7px;line-height:1.5}.footer-bottom{display:block;font-size:7px;line-height:1.6}.footer-bottom span{display:block}.mobile-bar{position:fixed;display:flex;align-items:center;gap:8px;z-index:45;bottom:0;left:0;right:0;padding:9px 15px calc(9px + env(safe-area-inset-bottom));background:rgba(246,245,241,.96);border-top:1px solid #e2e5df;backdrop-filter:blur(12px)}.mobile-bar .button{flex:1;height:45px;padding:10px;font-size:10px}.mobile-call{width:45px;height:45px;background:white;border:1px solid #dfe4dc;border-radius:11px;display:grid;place-items:center;color:var(--green);font-size:17px}.toast{bottom:75px;width:calc(100% - 40px);text-align:center}.review-stars{display:none}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}
.review-slot{margin-left:auto;color:#7e8c80;font-size:9px;border:1px solid #e0e7df;border-radius:20px;padding:6px 10px}
.mobile-bar.hidden{transform:translateY(120%);pointer-events:none;transition:transform .2s ease}
@media(max-width:600px){.review-slot{font-size:7px;padding:5px 7px;white-space:nowrap}}
@media(min-width:601px) and (max-width:820px){.hero-grid{grid-template-columns:1fr}.hero-visual{height:440px}.hero-actions{flex-direction:row;max-width:none}}