:root{
  --bg:#f4f7f6; --surface:#ffffff; --ink:#122420; --muted:#55665f;
  --line:#dde6e2; --brand:#0f6e5a; --brand-dark:#0a4c3e; --sun:#f2b705; --dark:#0b1f1a;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--brand)}
img{max-width:100%}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}

/* header */
header{background:var(--dark);color:#fff;position:sticky;top:0;z-index:10}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:62px;gap:12px}
.logo{font-weight:800;font-size:21px;color:#fff;text-decoration:none;letter-spacing:.2px}
.logo span{color:var(--sun)}
nav a{color:#c9d6d1;text-decoration:none;margin-left:18px;font-size:15px}
nav a:hover,nav a[aria-current]{color:#fff}
.call-top{background:var(--sun);color:#1b1500;padding:8px 14px;border-radius:8px;font-weight:700;text-decoration:none;white-space:nowrap}
@media (max-width:820px){nav{display:none}}

/* hero */
.hero{background:linear-gradient(150deg,#0b1f1a 0%,#12443a 100%);color:#fff;padding:60px 0 68px}
.eyebrow{text-transform:uppercase;letter-spacing:2px;font-size:13px;color:var(--sun);font-weight:700}
.hero h1{font-size:clamp(30px,5vw,48px);line-height:1.15;margin:12px 0 16px;max-width:820px}
.hero p{color:#cfe0da;max-width:680px;font-size:19px;margin:0 0 26px}
.btn{display:inline-block;background:var(--sun);color:#1b1500;font-weight:700;font-size:19px;padding:13px 22px;border-radius:10px;text-decoration:none;margin:0 10px 10px 0}
.btn.ghost{background:transparent;color:#fff;border:2px solid #4f7d72}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;padding:0;list-style:none}
.badges li{border:1px solid #2f5a50;border-radius:999px;padding:6px 14px;font-size:14px;color:#e2eeea}

/* sections */
section{padding:56px 0}
.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{font-size:clamp(24px,3.4vw,32px);line-height:1.25;margin:0 0 10px}
h3{font-size:19px;margin:0 0 6px}
.lead{color:var(--muted);margin:0 0 28px;max-width:720px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px}
.alt .card{background:var(--bg)}
.card p{margin:0;color:var(--muted);font-size:16px}
a.card{text-decoration:none;color:inherit;display:block;transition:border-color .15s}
a.card:hover{border-color:var(--brand)}
.card .more{display:inline-block;margin-top:10px;color:var(--brand);font-weight:700}
.icon{font-size:30px;line-height:1;margin-bottom:10px}
.prose{max-width:780px}
.prose p,.prose li{color:#24332f}
.prose h2{margin-top:36px}

.steps{counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;padding:0;list-style:none}
.steps li{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px 22px 22px 66px;position:relative}
.alt .steps li{background:var(--bg)}
.steps li::before{counter-increment:s;content:counter(s);position:absolute;left:20px;top:20px;width:32px;height:32px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:700}
.steps strong{display:block;margin-bottom:4px}
.steps span{color:var(--muted);font-size:15px}

/* promise strip */
.promise{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.promise div{border-left:4px solid var(--sun);padding:4px 0 4px 14px}
.promise strong{display:block;font-size:18px}
.promise span{color:var(--muted);font-size:15px}

/* FAQ */
details{border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:var(--surface)}
.alt details{background:var(--bg)}
summary{cursor:pointer;padding:14px 18px;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:22px;color:var(--brand);line-height:1}
details[open] summary::after{content:"–"}
details > div{padding:0 18px 14px;color:#33433e}

/* calculator */
.calc{display:grid;grid-template-columns:1fr 340px;gap:24px;align-items:start}
@media (max-width:900px){.calc{grid-template-columns:1fr}}
.calc fieldset{border:1px solid var(--line);border-radius:14px;background:var(--surface);padding:18px 20px;margin:0 0 16px}
.calc legend{font-weight:800;padding:0 6px}
.calc label{display:block;font-weight:600;margin:0 0 12px}
.calc small{display:block;font-weight:400;color:var(--muted);font-size:14px}
.calc select,.calc input{display:block;font:inherit;width:100%;padding:10px 12px;border:1px solid #c5d2cd;border-radius:9px;background:#fff;margin-top:4px}
.calc input[type=number]{max-width:180px}
.row3{display:grid;grid-template-columns:110px 1fr 110px 40px;gap:8px;align-items:end;margin-bottom:10px}
.row3 select,.row3 input{margin:0}
.row3 .x{border:0;background:none;color:#b42318;font-size:20px;cursor:pointer;padding:8px}
@media (max-width:560px){.row3{grid-template-columns:1fr 1fr}.row3 .x{text-align:left}}
.addrow{font:inherit;border:1px dashed var(--brand);color:var(--brand);background:none;border-radius:9px;padding:9px 14px;cursor:pointer;font-weight:600}
.result{position:sticky;top:80px;background:var(--dark);color:#fff;border-radius:16px;padding:22px}
.result h3{color:var(--sun);font-size:15px;text-transform:uppercase;letter-spacing:1.5px}
.result ul{list-style:none;padding:0;margin:12px 0;font-size:15px;color:#cfe0da}
.result li{display:flex;justify-content:space-between;gap:12px;padding:6px 0;border-bottom:1px solid #22423a}
.result li b{color:#fff;white-space:nowrap}
.total{font-size:40px;font-weight:800;line-height:1.1;margin:8px 0 4px}
.result .note{font-size:13px;color:#a9c1b9;margin:0 0 16px}
.result .btn{display:block;text-align:center;margin:0 0 8px;font-size:17px}
.result .btn.ghost{border-color:#3d6a5f}

/* contact */
.contact{background:var(--dark);color:#fff;text-align:center}
.contact .lead{color:#cfe0da;margin-left:auto;margin-right:auto}
.phone{font-size:clamp(28px,6vw,44px);font-weight:800;color:#fff;text-decoration:none;display:inline-block;margin:6px 0 10px}
.contact .info{color:#cfe0da;font-size:15px}
.contact a{color:#fff}

/* legal */
.legal{padding:40px 0 64px}
.legal .wrap{max-width:800px}
.legal h1{font-size:clamp(28px,4vw,38px);margin:0 0 6px;line-height:1.2}
.legal .valid{color:var(--muted);font-size:14px;margin:0 0 28px}
.legal h2{font-size:21px;margin:32px 0 8px}
.box{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin:0 0 8px}
.form-sample{background:var(--surface);border:1px dashed #a9b8b2;border-radius:12px;padding:20px;white-space:pre-wrap;font-family:inherit;font-size:15px;overflow-x:auto}
.crumbs{font-size:14px;color:#9fb8b0;margin-bottom:6px}
.crumbs a{color:#cfe0da}

footer{background:#06130f;color:#8ea69e;font-size:14px;padding:28px 0 90px}
footer .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
footer a{color:#c9d6d1;text-decoration:none}
footer a:hover{text-decoration:underline}
footer p{margin:4px 0}
footer strong{color:#e2eeea}

.sticky-call{display:none}
@media (max-width:820px){
  .sticky-call{display:block;position:fixed;left:16px;right:16px;bottom:16px;z-index:20;background:var(--sun);color:#1b1500;text-align:center;font-weight:700;padding:14px;border-radius:12px;text-decoration:none;box-shadow:0 6px 20px rgba(0,0,0,.25)}
}

/* contact form */
.contact{text-align:left}
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:40px;align-items:start}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}
.contact .lead{margin-left:0}
.cform{background:#fff;color:var(--ink);border-radius:16px;padding:22px}
.cform label{display:block;font-weight:600;font-size:15px;margin:0 0 12px}
.cform input,.cform select,.cform textarea{display:block;width:100%;font:inherit;padding:10px 12px;border:1px solid #c5d2cd;border-radius:9px;margin-top:4px;background:#fff;color:var(--ink)}
.cform textarea{resize:vertical}
.cform .two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:560px){.cform .two{grid-template-columns:1fr;gap:0}}
.cform .small{font-size:13px;color:var(--muted);margin:0 0 12px}
.cform .small a{color:var(--brand)}
.cform .btn{border:0;cursor:pointer;margin:0}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.fmsg{margin:12px 0 0;font-weight:600}
.fmsg.ok{color:#067647}.fmsg.err{color:#b42318}