:root{font-family:Arial,Helvetica,sans-serif;color:#173b32;background:#f6f5ef;font-synthesis:none;--green:#185b48;--muted:#51675f;--line:#d9dfd6}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{margin:0}
a{color:var(--green);text-underline-offset:3px}
button,input{font:inherit}
button,a,input,summary{touch-action:manipulation}
button{cursor:pointer}
button:disabled{cursor:default}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #be661b;outline-offset:4px}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(38px,5.4vw,72px);line-height:1.04;letter-spacing:-2.4px;margin-bottom:26px}
h2{font-size:clamp(28px,3.2vw,40px);line-height:1.12;letter-spacing:-.9px;margin-bottom:18px}
h3{font-size:20px;line-height:1.3;margin-bottom:12px}
p,li{font-size:16px;line-height:1.6;color:var(--muted)}
p:last-child{margin-bottom:0}
.skip{position:absolute;left:12px;top:-100px;background:white;padding:16px;z-index:10}
.skip:focus{top:12px}
header{background:#f6f5efed;border-bottom:1px solid var(--line)}
.header-inner{max-width:1200px;padding:22px 32px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:700;font-size:20px;white-space:nowrap}
.brand small{display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:4px}
.brand-mark{background:var(--green);color:white;border-radius:14px;width:44px;height:44px;display:grid;place-items:center;font-size:28px}
nav{display:flex;gap:20px;flex-wrap:wrap}
nav a{text-decoration:none;font-size:14px;min-height:34px;display:flex;align-items:center;border-bottom:2px solid transparent}
nav a[aria-current]{font-weight:bold;border-color:var(--green)}
nav a:hover{border-color:var(--green)}
main{max-width:1136px;padding:0 32px;margin:auto;outline:none}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center;padding:74px 0 58px}
.eyebrow{display:block;text-transform:uppercase;letter-spacing:1.5px;font-size:12px;font-weight:700;color:var(--green);margin-bottom:24px}
.lead{font-size:20px;max-width:620px;line-height:1.5;margin-bottom:26px}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:13px 20px;border:1px solid var(--green);border-radius:8px;background:transparent;color:var(--green);text-decoration:none;font-size:15px;font-weight:700;text-align:center;line-height:1.4}
.button:hover{background:#e4ece4}
.button.primary{background:var(--green);color:white}
.button.primary:hover{background:#104333}
.button.unavailable,.button:disabled{color:#58645d;background:#e7e9e2;border-color:#b7c0b5}
.small{font-size:13px;line-height:1.6}
.phone-preview{margin:0;border:1px solid #b8c9bc;border-radius:24px;padding:26px;background:#fff;box-shadow:0 16px 40px #1943310b;transform:rotate(1deg)}
.phone-top{display:flex;justify-content:space-between;font-weight:bold;font-size:14px;gap:16px}
.phone-top span{font-size:12px;font-weight:400;color:var(--muted)}
.qr-preview{display:flex;gap:22px;align-items:center;background:#edf2e9;border-radius:14px;padding:24px 18px;margin:24px 0}
.qr-preview svg{width:94px;flex:0 0 94px}
.qr-preview strong{font-size:16px}
.qr-preview p{font-size:13px;margin:8px 0 0}
.sample-points>div{display:grid;grid-template-columns:1fr auto;gap:8px;border-top:1px solid var(--line);padding:17px 0}
.sample-points b{font-size:19px;color:var(--green)}
.sample-points span{grid-column:1/-1;font-size:12px;color:var(--muted)}
figcaption{font-size:12px;color:var(--muted);line-height:1.5;margin-top:10px}
.stage{display:flex;align-items:flex-start;gap:16px;padding:21px 24px;background:#eaf0e4;border:1px solid #d7e0ce;border-radius:10px}
.stage p{font-size:14px;margin:6px 0 0}
.dot{width:8px;height:8px;background:#935517;border-radius:50%;flex:0 0 8px;margin-top:7px}
.section{padding:64px 0;border-bottom:1px solid var(--line)}
.section:last-child{border-bottom:0}
.section-heading{max-width:680px;margin-bottom:30px}
.section-heading p{font-size:18px}
.section-heading .eyebrow{margin-bottom:14px}
.benefits{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.benefits article{border-top:2px solid var(--green);padding:22px 8px 12px 0}
.compatibility-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.compatibility-grid article{border:1px solid var(--line);border-radius:10px;background:white;padding:22px;min-width:0}
.compatibility-grid strong{display:inline-block;color:var(--green);font-size:13px;margin-bottom:10px}
.compatibility-grid p{font-size:14px}
.card-number{color:var(--muted);font-size:13px;display:block;margin-bottom:22px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
.paper{background:white;padding:30px;border:1px solid var(--line);border-radius:12px}
.calculation{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;gap:12px;margin-bottom:20px}
.calculation div span{display:block;font-size:12px;color:var(--muted);line-height:1.4;margin-bottom:12px}
.calculation strong{font-size:25px;white-space:nowrap}
.metrics-explanation{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.metrics-explanation article{padding:20px 0}
.callout{border-left:3px solid var(--green);padding:14px 20px;background:#eef1e8;margin-top:26px}
.tariff{display:grid;grid-template-columns:1fr 1fr;gap:50px}
.tariff-label{font-size:22px;line-height:1.35;color:var(--green);font-weight:bold}
.faq details{border-top:1px solid var(--line);padding:0}
.faq details:last-child{border-bottom:1px solid var(--line)}
summary{cursor:pointer;min-height:56px;padding:18px 0;font-size:17px;font-weight:700;line-height:1.4}
.faq details p{padding:0 30px 18px 0;max-width:850px}
.page-intro{padding:68px 0 20px;max-width:840px}
.page-intro h1{font-size:clamp(38px,4.5vw,60px)}
.steps{list-style:none;padding:0;margin:28px 0}
.steps li{display:flex;gap:24px;border-top:1px solid var(--line);padding:25px 0}
.steps h3{color:#173b32}
.steps li p{max-width:800px}
.step-number{color:var(--green);font-size:18px;font-weight:700;flex:0 0 32px;margin-top:2px}
.video-section{padding-top:30px}
video{display:block;width:100%;max-height:700px;background:#fff;border:1px solid var(--line);border-radius:10px;object-fit:contain}
.transcript{padding:10px 24px;border:1px solid var(--line);border-radius:8px;margin-top:22px}
.transcript p{max-width:860px}
.install-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.install-options article{display:flex;flex-direction:column}
.install-options .button{margin-top:auto}
.install-options h2{font-size:26px}
[data-release]{overflow-wrap:anywhere}
form{max-width:800px;background:white;border:1px solid var(--line);border-radius:12px;padding:30px}
fieldset{border:0;padding:0;margin:0;min-width:0}
legend{font-size:18px;font-weight:700;padding:0 0 22px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-grid label{display:flex;flex-direction:column;gap:8px;font-size:14px;font-weight:700}
.form-grid input{width:100%;border:1px solid #869a8c;border-radius:6px;padding:13px 12px;min-height:46px;color:#173b32;background:#fff}
.form-grid input:disabled{background:#f0f1eb}
.wide{grid-column:1/-1}
.consent{display:flex;align-items:flex-start;gap:12px;margin:28px 0;font-size:14px;line-height:1.6}
.consent input{width:20px;height:20px;flex:0 0 20px;margin:2px 0 0}
.form-status{padding:16px 0 0;font-size:14px;outline-offset:4px}
.form-status.error{color:#8e2c1b}
.honeypot{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
footer{max-width:1200px;margin:40px auto 0;padding:40px 32px;display:flex;justify-content:space-between;gap:30px;border-top:1px solid var(--line)}
footer p{font-size:13px;margin:12px 0}
footer>div:last-child{display:flex;gap:12px;flex-direction:column;font-size:14px}
[hidden]{display:none!important}

@media(max-width:960px){.hero{gap:32px}
.header-inner{align-items:flex-start}
nav{gap:8px 16px;max-width:390px}
.benefits{grid-template-columns:1fr 1fr}
.compatibility-grid{grid-template-columns:1fr 1fr}
.metrics-explanation{grid-template-columns:1fr 1fr}
.split{gap:24px}
.calculation{gap:8px}
.calculation strong{font-size:21px}
.install-options{grid-template-columns:1fr}
.install-options article{border-top:1px solid var(--line);padding:22px 0}
.install-options .button{align-self:flex-start;margin-top:10px}
}

@media(max-width:700px){.header-inner{padding:18px 20px;display:block}
.brand{font-size:18px}
nav{margin-top:16px;max-width:none;font-size:13px;gap:4px 18px}
main{padding:0 20px}
.hero{grid-template-columns:1fr;padding:44px 0 32px;gap:30px}
h1{letter-spacing:-1.5px}
.lead{font-size:18px}
.hero .phone-preview{max-width:440px;width:100%;transform:none}
.qr-preview{padding:20px 16px;margin:22px 0;gap:16px}
.stage{padding:18px 16px}
.section{padding:40px 0}
.section-heading p{font-size:16px}
.benefits,.compatibility-grid,.split,.tariff{grid-template-columns:1fr;gap:20px}
.benefits article{padding-top:16px}
.card-number{margin-bottom:12px}
.metrics-explanation{gap:12px}
.metrics-explanation h3{font-size:18px}
.metrics-explanation article{padding:8px 0}
.metrics-explanation p{font-size:14px}
.paper{padding:22px 18px}
.calculation strong{font-size:20px}
.calculation div span{font-size:11px}
.page-intro{padding:42px 0 10px}
.page-intro h1{letter-spacing:-1.2px}
.steps li{gap:16px}
.steps p{font-size:15px}
summary{font-size:16px}
.faq details p{padding-right:0}
.transcript{padding:8px 16px}
form{padding:22px 18px}
.form-grid{grid-template-columns:1fr}
.wide{grid-column:auto}
.consent{font-size:13px}
footer{display:block;padding:32px 20px;margin-top:20px}
footer>div:last-child{margin-top:22px}
.button{max-width:100%}
}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
.phone-preview{transform:none}
}