:root{--bg:#f6f8fc;--surface:#fff;--ink:#11243a;--text:#3b5067;--line:#dae3ec;--primary:#146e76;--primary2:#0c505b;--accent:#c2ffdf;--muted:#eff6f8;--shadow:0 12px 44px #09213b0d}
[hidden]{display:none!important}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,'Helvetica Neue',Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.55}a{color:var(--primary2)}a:hover{text-decoration-thickness:2px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #24b6c2;outline-offset:2px}p{color:var(--text)}h1,h2,h3{line-height:1.15;letter-spacing:-.03em}h1{font-size:clamp(2.15rem,5vw,3.85rem);margin:.35em 0}h2{font-size:clamp(1.5rem,3vw,2.2rem)}h3{font-size:1.16rem}small{color:var(--text)}.container{max-width:1130px;margin:0 auto;padding:0 24px}.site-header{background:#fff;border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:78px;gap:20px}.brand{font-weight:850;text-decoration:none;color:var(--ink);font-size:1.22rem;white-space:nowrap;letter-spacing:-.04em}.brand-logo{background:var(--accent);border-radius:12px;padding:9px;margin-right:7px;display:inline-block}.site-nav{display:flex;gap:17px;flex-wrap:wrap;font-size:.89rem;font-weight:650}.site-nav a{text-decoration:none;color:#36526b}.site-nav a:hover{color:var(--primary)}.hero{padding:66px 0 64px;background:radial-gradient(80% 130% at 94% 0%,#d5f7eb 0,#e9f5f7 42%,#f5f9fc 100%);border-bottom:1px solid #dfebef}.hero-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr);gap:52px;align-items:center}.eyebrow{display:inline-block;background:#e2f8ec;color:#145c58;border:1px solid #c5e9dc;border-radius:100px;padding:6px 13px;font-size:.81rem;font-weight:780;letter-spacing:.03em;text-transform:uppercase}.lead{font-size:clamp(1.06rem,2vw,1.25rem);max-width:670px;line-height:1.65}.buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:29px}.btn{display:inline-flex;justify-content:center;align-items:center;text-align:center;gap:8px;border-radius:12px;padding:13px 19px;background:var(--primary);color:#fff;text-decoration:none;font-weight:780;border:2px solid var(--primary);cursor:pointer;font-size:1rem}.btn:hover{background:var(--primary2);color:#fff}.btn.secondary{background:#fff;color:var(--primary2);border-color:#bdd4d8}.hero-panel{background:#fff;padding:24px;border-radius:22px;box-shadow:var(--shadow);border:1px solid #e5edf1}.tag{font-size:.82rem;font-weight:750;color:#27717a}.big-number{font-size:2.8rem;font-weight:850;letter-spacing:-.07em;margin:10px 0;color:#123f46}.mini-line{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #edf1f4;padding:12px 0}.mini-line:last-child{padding-bottom:0}.section{padding:56px 0}.section-light{background:#fff}.intro{max-width:760px;margin-bottom:27px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--surface);padding:26px;border-radius:18px;border:1px solid var(--line);box-shadow:0 3px 16px #06214406}.card p{font-size:.95rem}.card a{font-weight:750;text-decoration:none}.card a:hover{text-decoration:underline}.card-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:#e0f7f1;font-size:1.3rem}.page-top{padding:52px 0 28px;background:linear-gradient(140deg,#eaf7f3,#f6f8fc)}.page-top h1{font-size:clamp(2rem,4vw,3rem);max-width:900px}.breadcrumbs{font-size:.85rem;color:#52667b}.breadcrumbs a{text-decoration:none}.page-top .lead{margin-bottom:0}.content-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(270px,.7fr);gap:26px;align-items:start}.calc-card,.aside,.article{background:white;border:1px solid var(--line);border-radius:19px;padding:27px;box-shadow:var(--shadow)}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:18px}.field label{font-weight:725;font-size:.93rem}.field input,.field select{width:100%;min-height:47px;font:inherit;padding:10px 13px;border:1px solid #b9c9d8;border-radius:10px;background:#fff;color:var(--ink)}.field small{font-size:.78rem}.calc-notice{margin:12px 0 18px;background:#f0f7f8;border-left:3px solid var(--primary);padding:10px 14px;border-radius:6px;color:#345766;font-size:.9rem}.result-panel{background:#102f39;color:white;padding:24px;border-radius:16px;margin-top:18px}.result-panel p,.result-panel small{color:#c7e4e7}.result-panel h2{font-size:clamp(1.8rem,4vw,2.55rem);margin:7px 0 12px;color:#b7ffde}.result-label{font-weight:700;color:#daeeef;font-size:.85rem}.result-facts{border-top:1px solid #42636b;padding-top:10px;display:grid;grid-template-columns:1fr 1fr;gap:15px}.result-facts div strong{display:block;font-size:1.05rem}.result-facts div small{font-size:.78rem}.status{font-size:.86rem;color:#3c6570;min-height:1.4rem}.status.error{color:#b12727}.aside h3:first-child{margin-top:0}.aside ul{padding-left:18px}.aside li{margin-bottom:10px;color:var(--text)}.readable{max-width:830px}.readable p,.readable li{line-height:1.8}.readable h2{margin-top:33px}.readable h3{margin-top:26px}.note{background:#edf7f4;border-left:4px solid #248f83;padding:16px 20px;border-radius:8px}.footer{background:#102b36;color:#c0d6dc;padding:38px 0;margin-top:55px}.footer p,.footer small{color:#b8ccd1}.footer a{color:#d0f7e3}.footer-inner{display:flex;gap:22px;justify-content:space-between;flex-wrap:wrap}.bars{margin:17px 0}.bar-line{margin:12px 0}.bar-label{display:flex;justify-content:space-between;color:#e0eced;font-size:.88rem;margin-bottom:6px}.bar-track{height:12px;background:#36545d;border-radius:100px;overflow:hidden}.bar-fill{height:100%;background:#76d8c6;border-radius:100px;transition:width .25s}.bar-fill.gas{background:#ffd78b}.morelinks{display:flex;gap:14px;flex-wrap:wrap;margin-top:16px}.morelinks a{background:#e9f5f4;padding:9px 13px;border-radius:9px;text-decoration:none;font-weight:700}.subtle{font-size:.89rem;color:#65758a}.footer-brand{color:#fff;font-weight:850}.list-tiles{display:grid;grid-template-columns:1fr 1fr;gap:18px}.article h1{margin-top:0}.article a{word-break:break-word}
@media(max-width:850px){.hero-grid,.content-grid{grid-template-columns:1fr}.hero-panel{max-width:550px}.cards{grid-template-columns:repeat(2,1fr)}.site-nav{gap:10px}.site-header .header-inner{align-items:flex-start;padding-top:15px;padding-bottom:15px;flex-direction:column}}
@media(max-width:580px){.container{padding:0 17px}.hero{padding:41px 0}.hero-grid{gap:22px}.section{padding:35px 0}.cards,.field-grid,.list-tiles{grid-template-columns:1fr}.calc-card,.aside,.article{padding:19px}.site-nav{font-size:.81rem}.site-nav a{white-space:nowrap}.result-facts{gap:9px}.footer{margin-top:35px}}

.skip:focus-visible{position:fixed!important;left:16px!important;top:12px!important;background:white;padding:9px;z-index:999;border:2px solid #146e76;border-radius:6px}