*{box-sizing:border-box;margin:0;padding:0}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;line-height:1.65;color:#1f2937;background:#fff}
header{background:#0f3b2e;color:#fff;padding:.9rem 1rem;position:sticky;top:0;z-index:50}
.hwrap{max-width:1100px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.brand{font-weight:800;font-size:1.15rem;color:#fff;text-decoration:none}
.callbtn{background:#16a34a;color:#fff;font-weight:700;padding:.65rem 1.1rem;border-radius:.5rem;text-decoration:none;white-space:nowrap}
.callbtn:hover{background:#15803d}
.hero{background:#0f3b2e;color:#fff;padding:3rem 1rem 2.5rem;text-align:center}
.hero h1{font-size:2rem;max-width:800px;margin:0 auto 1rem;line-height:1.25}
.hero p{max-width:700px;margin:0 auto 1.5rem;color:#d1fae5}
main{max-width:800px;margin:0 auto;padding:2rem 1rem}
h2{margin:2rem 0 .75rem;font-size:1.4rem;color:#0f3b2e}
h3{margin:1.5rem 0 .5rem;font-size:1.15rem}
p{margin-bottom:1rem}
ul{margin:0 0 1rem 1.4rem}
.cta-box{background:#f0fdf4;border:1px solid #bbf7d0;border-radius:.75rem;padding:1.5rem;margin:2rem 0;text-align:center}
.cta-box .callbtn{font-size:1.15rem;display:inline-block;margin-top:.5rem}
.faq{margin-top:2rem}
.faq details{border:1px solid #e5e7eb;border-radius:.5rem;margin-bottom:.6rem;padding:.9rem 1rem;background:#fafafa}
.faq summary{font-weight:700;cursor:pointer;color:#0f3b2e}
footer{background:#111827;color:#9ca3af;padding:2rem 1rem;text-align:center;font-size:.9rem;margin-top:3rem}
footer a{color:#d1d5db}
.sticky-call{display:none;position:fixed;bottom:0;left:0;right:0;background:#16a34a;color:#fff;text-align:center;padding:1rem;font-weight:800;font-size:1.1rem;text-decoration:none;z-index:60}
@media(max-width:640px){.sticky-call{display:block}.hero h1{font-size:1.5rem}body{padding-bottom:3.5rem}}

/* --- retrofit: interactive components (progressive enhancement) --- */
.locale-anchor{font-size:.95rem;color:#5b6b62;margin-bottom:14px}
.faq details{border:1px solid #dfe8e2;border-radius:10px;margin-bottom:10px;background:#fff;overflow:hidden}
.faq details>summary,.faq-acc>summary{cursor:pointer;font-weight:700;padding:14px 16px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:10px}
.faq details>summary::-webkit-details-marker{display:none}
.faq details>summary::after{content:"+";font-size:1.35rem;line-height:1;color:#16a34a;flex:none;font-weight:800}
.faq details[open]>summary::after{content:"\2013"}
.faq .faq-a,.faq details>p{padding:2px 16px 14px;margin:0}
.faq .faq-a p{margin:0;padding:0}
.facts{background:#f0fdf4;border:1px solid #dfe8e2;border-radius:12px;padding:18px;margin:24px 0}
.facts h2{font-size:1.12rem;margin-bottom:8px}
.facts dl{margin:0}
.facts dl>div{display:grid;grid-template-columns:132px 1fr;gap:4px 12px;padding:8px 0;border-top:1px solid #dfe8e2}
.facts dl>div:first-child{border-top:0}
.facts dt{font-weight:700;font-size:.9rem}
.facts dd{margin:0;font-size:.93rem}
@media(max-width:540px){.facts dl>div{grid-template-columns:1fr}}
.est-sec{margin:8px 0}
.est{background:#fff;border:2px solid #dfe8e2;border-radius:14px;padding:20px;margin:16px 0}
.est label{display:block;font-weight:700;margin-bottom:14px}
.est select,.est input[type=range]{width:100%;margin-top:8px;padding:12px;font-size:1rem;border:1px solid #dfe8e2;border-radius:8px;background:#fff;color:inherit;font-family:inherit}
.est-out{background:#f0fdf4;border-radius:10px;padding:16px;margin-top:4px;text-align:center}
.est-range{font-size:1.25rem;margin-bottom:8px}
.hiw-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin:16px 0}
.hiw-step{background:#fff;border:1px solid #dfe8e2;border-radius:12px;padding:16px}
.hiw-step .n{display:inline-block;background:#16a34a;color:#fff;font-weight:800;width:30px;height:30px;border-radius:50%;text-align:center;line-height:30px;margin-bottom:8px}
.hiw-step h3{margin:0 0 6px;font-size:1.02rem}
.hiw-step p{margin:0;font-size:.93rem}
.area-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:16px 0}
.area-card{display:block;background:#fff;border:1px solid #dfe8e2;border-radius:12px;padding:14px 16px;text-decoration:none;color:inherit}
.area-card:hover{border-color:#16a34a}
.area-card strong{display:block;margin-bottom:4px}
.area-card span{font-size:.88rem;color:#5b6b62}
.emg{background:#991b1b;color:#fff;padding:16px 18px;text-align:center;font-size:1.02rem}
.emg a{color:#fff;font-weight:800}
.est-band{background:#0f3b2e;color:#fff;padding:20px 18px;text-align:center}
.est-band a{color:#fff}