:root{--bg:#11161d;--panel:#1a222c;--panel2:#202b37;--line:#344150;--text:#eef2f6;--muted:#aab5c1;--accent:#ff9418;--accent2:#ffc066;--ok:#5dd3a4;--danger:#ff7b7b}
*{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-decoration:none}button,input,select{font:inherit}.wrap{width:min(1160px,calc(100% - 36px));margin:auto}.site-header{position:sticky;top:0;z-index:30;background:rgba(17,22,29,.94);border-bottom:1px solid rgba(255,255,255,.09);backdrop-filter:blur(12px)}.nav{min-height:70px;display:flex;align-items:center;gap:28px}.brand{font-size:20px;font-weight:850;margin-right:auto}.brand span,.accent{color:var(--accent2)}.nav-links{display:flex;gap:24px;font-size:14px}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:9px;padding:12px 18px;background:var(--accent);color:#111;font-weight:800;cursor:pointer}.hero{padding:72px 0 54px;background:radial-gradient(circle at 82% 12%,rgba(255,148,24,.14),transparent 35%)}.eyebrow{color:var(--accent2);text-transform:uppercase;letter-spacing:.14em;font-size:12px;font-weight:800}.hero h1{font-size:clamp(36px,6vw,62px);line-height:1.06;letter-spacing:-.04em;max-width:900px;margin:14px 0 20px}.hero p{max-width:760px;color:var(--muted);font-size:18px}.breadcrumbs{font-size:13px;color:var(--muted);padding-top:22px}.breadcrumbs a{color:var(--accent2)}.tool-shell{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);gap:28px;padding:28px 0 72px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:26px}.panel h2{margin:0 0 18px;font-size:24px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-grid label{font-size:14px;font-weight:700}.form-grid label span{display:block;color:var(--muted);font-size:12px;font-weight:500;margin:3px 0 7px}.form-grid input,.form-grid select{width:100%;border:1px solid #445365;background:#111820;color:var(--text);border-radius:9px;padding:12px}.form-grid select{margin-top:8px}.calculate{width:100%;margin-top:20px}.result{margin-top:20px;min-height:112px;border:1px solid #3a4a59;border-radius:12px;background:#10171f;padding:18px}.result-empty{color:var(--muted)}.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.metric{background:var(--panel2);border-radius:9px;padding:13px}.metric strong{display:block;color:var(--accent2);font-size:20px}.metric span{font-size:12px;color:var(--muted)}.note{font-size:13px;color:var(--muted);margin-top:14px}.info-stack{display:grid;gap:18px}.info-stack h2{font-size:19px}.info-stack p,.info-stack li{color:var(--muted);font-size:14px}.info-stack ul{padding-left:18px}.hub-hero{padding:78px 0 46px}.hub-hero h1{font-size:clamp(40px,7vw,68px);line-height:1.05;letter-spacing:-.04em;margin:12px 0}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:28px 0 72px}.tool-card{background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:24px;transition:.2s}.tool-card:hover{transform:translateY(-3px);border-color:var(--accent)}.tool-card h2{font-size:21px;line-height:1.25}.tool-card p{color:var(--muted);font-size:14px}.tool-card .go{color:var(--accent2);font-weight:800;font-size:14px}.content{padding:60px 0}.content h2{font-size:30px}.faq{border-top:1px solid var(--line);padding:18px 0}.faq h3{font-size:17px;margin:0 0 6px}.faq p{margin:0;color:var(--muted)}.cta{background:var(--accent);color:#111;padding:46px 0}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:24px}.cta h2{font-size:30px;margin:0}.cta p{margin:6px 0 0}.cta .btn{background:#111;color:white}.footer{padding:28px 0;color:#7f8b98;font-size:13px}.footer-inner{display:flex;justify-content:space-between;gap:20px}.warning{border-left:3px solid var(--accent);padding-left:14px}.selector-result h3{color:var(--accent2);margin:0}.selector-result .tag{display:inline-block;background:#283849;border-radius:999px;padding:3px 9px;margin:8px 4px 0 0;font-size:12px}.error{color:var(--danger)}
@media(max-width:850px){.nav-links{display:none}.tool-shell{grid-template-columns:1fr}.tool-grid{grid-template-columns:1fr 1fr}.cta-inner,.footer-inner{align-items:flex-start;flex-direction:column}}@media(max-width:560px){.wrap{width:min(100% - 28px,1160px)}.nav-cta{display:none}.hero{padding-top:48px}.form-grid,.metric-grid,.tool-grid{grid-template-columns:1fr}.panel{padding:19px}}
.article-hero{padding:68px 0 46px;background:radial-gradient(circle at 82% 10%,rgba(255,148,24,.13),transparent 34%)}.article-hero h1{font-size:clamp(38px,6vw,60px);line-height:1.06;letter-spacing:-.04em;max-width:940px;margin:13px 0 18px}.article-hero p{max-width:800px;color:var(--muted);font-size:18px}.article{padding:22px 0 70px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:36px}.article-main{min-width:0}.article-main section{padding:31px 0;border-bottom:1px solid var(--line)}.article-main h2{font-size:30px;line-height:1.2;margin:0 0 14px}.article-main h3{font-size:20px;margin:22px 0 8px}.article-main p,.article-main li{color:var(--muted)}.article-main strong{color:var(--text)}.article-main ul,.article-main ol{padding-left:20px}.sidebar{display:grid;align-content:start;gap:15px;position:sticky;top:92px;height:max-content}.side-card{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:19px}.side-card h2,.side-card h3{font-size:17px;margin:0 0 10px}.side-card a{display:block;color:var(--accent2);margin:8px 0;font-size:14px}.data-table{width:100%;border-collapse:collapse;margin-top:16px}.data-table th,.data-table td{text-align:left;padding:12px;border-bottom:1px solid var(--line);vertical-align:top}.data-table th{color:var(--accent2);font-size:13px}.data-table td{color:var(--muted);font-size:14px}.status{display:inline-block;border-radius:999px;padding:4px 9px;background:#263646;color:var(--accent2);font-size:12px;font-weight:750}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.content-card{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:20px}.content-card h3{margin-top:0}.content-card p{font-size:14px}.callout{background:#17232e;border-left:3px solid var(--accent);border-radius:0 10px 10px 0;padding:18px;margin:18px 0;color:var(--muted)}.link-list{display:grid;grid-template-columns:1fr 1fr;gap:10px}.link-list a{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px;color:var(--accent2)}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:20px 0 66px}.product-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px}.product-card h2{font-size:21px}.product-card p{color:var(--muted);font-size:14px}.product-card .meta{font-size:12px;color:var(--accent2);text-transform:uppercase;letter-spacing:.08em;font-weight:800}.product-card a{color:var(--accent2);font-weight:750}.check-table td:first-child{color:var(--text);font-weight:700;width:36%}@media(max-width:850px){.article-layout{grid-template-columns:1fr}.sidebar{position:static}.cards,.product-grid{grid-template-columns:1fr 1fr}}@media(max-width:560px){.cards,.product-grid,.link-list{grid-template-columns:1fr}.data-table{display:block;overflow-x:auto}.article-main h2{font-size:25px}}