:root{--bg:#0a0d12;--panel:#111722;--panel2:#171f2d;--text:#f4f7fb;--muted:#a9b5c6;--line:#283345;--accent:#8bd450;--accent2:#b6ef87;--danger:#ff8a8a;--shadow:0 18px 50px rgba(0,0,0,.22);--radius:18px;--wrap:1160px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6}a{color:inherit;text-underline-offset:3px}img{max-width:100%}button,input{font:inherit}.wrap{width:min(calc(100% - 32px),var(--wrap));margin-inline:auto}.narrow{max-width:780px}.skip{position:absolute;left:-9999px;top:8px;background:#fff;color:#000;padding:8px 12px;z-index:1000}.skip:focus{left:8px}.site-header{position:sticky;top:0;z-index:50;background:rgba(10,13,18,.9);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.06)}.nav-row{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:900;letter-spacing:.08em}.mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--accent);color:#102006}.mainnav{display:flex;gap:22px;align-items:center}.mainnav a{text-decoration:none;color:var(--muted);font-weight:700}.mainnav a:hover,.mainnav a:focus-visible{color:var(--text)}.menu-btn{display:none;background:transparent;color:var(--text);border:1px solid var(--line);border-radius:10px;padding:8px 11px}.hero{padding:76px 0 54px;background:radial-gradient(circle at 85% 20%,rgba(139,212,80,.16),transparent 32%)}.hero-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(300px,.7fr);gap:48px;align-items:center}.eyebrow{display:inline-block;color:var(--accent2);text-transform:uppercase;font-size:.78rem;font-weight:850;letter-spacing:.12em;margin-bottom:10px}.hero h1,.page-head h1{font-size:clamp(2.45rem,5vw,5.1rem);line-height:1.02;letter-spacing:-.045em;margin:0 0 22px}.page-head h1{font-size:clamp(2.2rem,4vw,4.1rem)}.lede{font-size:clamp(1.05rem,2vw,1.28rem);color:var(--muted);max-width:760px;margin:0 0 28px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.btn{display:inline-flex;justify-content:center;align-items:center;min-height:46px;padding:10px 16px;border:1px solid var(--line);border-radius:12px;background:var(--panel2);color:var(--text);font-weight:800;text-decoration:none;cursor:pointer}.btn:hover,.btn:focus-visible{border-color:var(--accent);outline:2px solid transparent}.btn.primary{background:var(--accent);border-color:var(--accent);color:#102006}.btn.ghost{background:transparent}.trust-row{display:flex;gap:18px;flex-wrap:wrap;margin-top:28px;color:var(--muted);font-size:.92rem}.hero-panel{background:linear-gradient(180deg,#141c29,#0f151f);border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--shadow)}.dial{aspect-ratio:1;max-width:280px;margin:auto;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;align-content:center;gap:6px;background:radial-gradient(circle,rgba(139,212,80,.14),transparent 58%)}.dial strong{font-size:2.4rem}.dial span{color:var(--muted)}.hero-panel p{text-align:center;color:var(--muted);margin-bottom:0}.section{padding:58px 0}.section.compact{padding:38px 0}.section.alt{background:#0d121a;border-block:1px solid rgba(255,255,255,.05)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.section-head h2,.section h2{margin-top:0;font-size:clamp(1.55rem,2.8vw,2.2rem);letter-spacing:-.025em}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.card{display:block;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-decoration:none;min-height:190px;transition:.18s ease}.card:hover,.card:focus-visible{transform:translateY(-2px);border-color:#4b6642;background:#141c28}.card h2,.card h3{margin:4px 0 10px;line-height:1.25}.card p{color:var(--muted);margin:0 0 18px}.card-link{color:var(--accent2);font-weight:800}.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}.split p,.checklist{color:var(--muted)}.checklist{list-style:none;padding:0;margin:0;display:grid;gap:12px}.checklist li{padding:14px 16px;background:var(--panel);border:1px solid var(--line);border-radius:12px}.page-head{padding:50px 0 22px}.breadcrumbs{font-size:.9rem;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}.breadcrumbs a{color:var(--muted)}.calc-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:24px;align-items:start}.tool-card,.side-note{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px}.side-note{position:sticky;top:92px}.side-note p{color:var(--muted)}.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field{display:grid;gap:8px;font-weight:700}.input-wrap{display:flex;align-items:center;background:#0b1017;border:1px solid var(--line);border-radius:12px;overflow:hidden}.input-wrap:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(139,212,80,.12)}.input-wrap input{width:100%;background:transparent;border:0;outline:0;color:var(--text);padding:13px 14px;min-width:0}.unit{padding:0 12px;color:var(--muted);border-left:1px solid var(--line);white-space:nowrap}.form-actions{display:flex;gap:10px;margin-top:20px}.form-error{color:var(--danger);font-weight:750}.results{margin-top:24px;border-top:1px solid var(--line);padding-top:22px}.result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.result{background:#0b1017;border:1px solid var(--line);border-radius:12px;padding:14px}.result span{display:block;color:var(--muted);font-size:.88rem}.result strong{display:block;font-size:1.35rem;margin-top:3px}.result-wide{grid-column:1/-1}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px}.result-table{width:100%;border-collapse:collapse;min-width:460px}.result-table th,.result-table td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line)}.result-table th{color:var(--muted);font-size:.85rem}.ad-note{text-align:center;color:var(--muted);font-size:.82rem;margin-top:12px}.article{font-size:1.04rem}.article p,.article li{color:#c0cad8}.article h2{margin-top:36px}.article a{color:var(--accent2)}.article ol{padding-left:22px}.faq{display:grid;gap:10px}.faq details{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px}.faq summary{font-weight:800;cursor:pointer}.faq p{margin-bottom:0}.callout{margin-top:36px;padding:18px;border:1px solid #4b6642;background:rgba(139,212,80,.08);border-radius:14px}.callout p{margin-bottom:0}.site-footer{border-top:1px solid var(--line);padding:44px 0 28px;background:#080b0f}.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}.footer-grid p{color:var(--muted)}.footer-grid nav{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.footer-grid a{color:var(--muted)}.fine{margin-top:30px;color:#7f8da0;font-size:.84rem}.site-footer strong{font-size:1.25rem}.site-footer nav a:hover{color:var(--text)}:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.noscript{padding:12px;background:#392b15;color:#ffe5a6}
@media(max-width:900px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-grid,.split,.calc-layout{grid-template-columns:1fr}.hero-panel{max-width:520px}.side-note{position:static}.footer-grid{grid-template-columns:1fr}.footer-grid nav{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.wrap{width:min(calc(100% - 22px),var(--wrap))}.hero{padding-top:48px}.mainnav{display:none;position:absolute;left:11px;right:11px;top:62px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.mainnav.open{display:flex}.mainnav a{padding:8px}.menu-btn{display:block}.cards,.fields,.result-grid{grid-template-columns:1fr}.card{min-height:auto}.section-head{align-items:start;flex-direction:column}.footer-grid nav{grid-template-columns:1fr 1fr}.hero h1{font-size:clamp(2.25rem,12vw,3.5rem)}.tool-card,.side-note{padding:18px}.form-actions .btn{flex:1}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}