:root{--ink:#101820;--muted:#66727e;--line:#dce2e7;--bg:#f4f6f7;--card:#fff;--dark:#0b1722;--gold:#2f80ed;--gold2:#eaf3ff;--green:#238b66;--red:#c84b4b;--radius:18px;--shadow:0 22px 60px rgba(16,24,32,.10)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55}a{color:inherit}.wrap{width:min(1160px,calc(100% - 36px));margin:auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(248,249,250,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav{height:70px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:900;letter-spacing:.4px}.brand-mark{width:38px;height:38px;border-radius:11px;background:var(--dark);color:var(--gold);display:grid;place-items:center}.navlinks{display:flex;gap:25px}.navlinks a{text-decoration:none;color:#59636e;font-size:13px;font-weight:750}.nav-cta{background:var(--dark);color:#fff;padding:10px 14px;border-radius:9px;text-decoration:none;font-size:12px;font-weight:850}.hero{padding:96px 0 82px;background:radial-gradient(circle at 78% 10%,rgba(245,181,27,.22),transparent 30%),linear-gradient(#fcfdfe,#eef1f3)}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center}.eyebrow{font-size:10px;letter-spacing:1.7px;font-weight:900;color:#8a6511}.hero h1{font-size:clamp(56px,7vw,86px);line-height:.93;letter-spacing:-5px;margin:12px 0 22px}.hero h1 em{font-style:normal;color:#69747f}.hero p{font-size:18px;color:#59646f;max-width:680px}.hero-actions{display:flex;gap:10px;margin-top:26px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 17px;border-radius:10px;text-decoration:none;font-size:13px;font-weight:850}.btn-primary{background:var(--gold);color:#171717}.btn-secondary{background:#fff;border:1px solid var(--line)}.trust{display:flex;gap:18px;margin-top:25px;color:#75808a;font-size:11px;font-weight:700}.trust span:before{content:'✓';color:var(--green);margin-right:6px}.hero-card{background:var(--dark);color:#fff;padding:23px;border-radius:21px;box-shadow:0 30px 90px rgba(16,26,36,.25)}.hero-card .mini-title{display:flex;justify-content:space-between;padding-bottom:15px;border-bottom:1px solid #34414d}.hero-card .mini-title span{font-size:9px;color:var(--gold);letter-spacing:1.2px}.mini-metrics{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin:15px 0}.mini-metrics div{background:#192530;border-radius:10px;padding:13px}.mini-metrics small{display:block;color:#93a0ab;font-size:9px}.mini-metrics strong{font-size:18px}.mini-bars{height:130px;background:#091118;border-radius:10px;display:flex;align-items:end;gap:8px;padding:16px}.mini-bars i{flex:1;background:#354654;border-radius:4px 4px 2px 2px}.mini-bars i:last-child{background:var(--gold)}.section{padding:80px 0}.section h2{font-size:clamp(35px,5vw,52px);line-height:1.04;letter-spacing:-2.6px;margin:7px 0 28px}.section-intro{max-width:760px;color:var(--muted)}.searchbar{margin:26px 0 32px;display:flex;gap:10px}.searchbar input{width:min(520px,100%);height:48px;border:1px solid var(--line);background:#fff;border-radius:11px;padding:0 14px;font-size:14px;outline:none}.searchbar input:focus{border-color:#7aaef3;box-shadow:0 0 0 3px rgba(47,128,237,.15)}.category-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.category-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;text-decoration:none;transition:.2s}.category-card:hover,.tool-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.category-card span{width:42px;height:42px;background:var(--gold2);display:grid;place-items:center;border-radius:11px;font-weight:900;margin-bottom:20px}.category-card h3{margin:0 0 6px}.category-card p{margin:0;color:var(--muted);font-size:13px}.tools-section{background:#edf0f2}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.tool-card{display:flex;flex-direction:column;min-height:250px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:19px;text-decoration:none;transition:.2s}.tool-card .cat{font-size:9px;color:#8b6715;font-weight:900;text-transform:uppercase;letter-spacing:1px}.tool-card h3{font-size:19px;letter-spacing:-.5px;margin:8px 0}.tool-card p{font-size:13px;color:var(--muted);margin:0 0 15px}.tool-card .open{margin-top:auto;font-weight:850;font-size:12px}.tool-card .open:after{content:' →';color:#2f80ed}.dark-section{background:var(--dark);color:#fff}.dark-section .eyebrow{color:var(--gold)}.principles{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.principles article{border-top:1px solid #384650;padding-top:17px}.principles b{color:var(--gold);font-size:10px}.principles p{color:#aab4bd;font-size:13px}.site-footer{background:#081016;color:#93a0aa;padding:50px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}.footer-grid h4{color:#fff;font-size:11px;margin:0 0 10px}.footer-grid a{display:block;text-decoration:none;color:#8e9aa4;font-size:11px;margin:7px 0}.footer-brand{color:#fff}.footer-bottom{border-top:1px solid #25313b;margin-top:32px;padding-top:16px;font-size:10px;display:flex;justify-content:space-between}.page-hero{padding:64px 0 35px;background:linear-gradient(#fafbfc,#f1f3f5)}.breadcrumbs{font-size:11px;color:#75808b}.breadcrumbs a{text-decoration:none}.page-hero h1{font-size:clamp(38px,5vw,60px);letter-spacing:-3px;line-height:1;margin:14px 0}.page-hero .lead{max-width:760px;color:var(--muted);font-size:17px}.calculator-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:20px;align-items:start}.calc-shell{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 10px 35px rgba(17,29,40,.05)}.calc-form{display:grid;grid-template-columns:1fr 1fr;gap:13px}.field{display:grid;gap:6px}.field>span{font-size:11px;font-weight:800;color:#4f5a64}.field small{font-size:10px;color:#8b949c}.field input,.field select{height:44px;border:1px solid var(--line);background:#fbfcfd;border-radius:9px;padding:0 10px;min-width:0}.input-unit{display:grid;grid-template-columns:1fr auto}.input-unit input{border-radius:9px 0 0 9px}.input-unit select{border-radius:0 9px 9px 0;border-left:0;max-width:95px}.result-panel{background:var(--dark);color:#fff;border-radius:18px;padding:21px;position:sticky;top:92px}.result-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #35424e;padding-bottom:14px}.result-head span{display:block;font-size:8px;color:var(--gold);font-weight:900;letter-spacing:1.2px}.result-head b{font-size:15px}.copy-btn{border:1px solid #45535f;background:#1a2732;color:#fff;border-radius:8px;padding:8px 9px;font-size:10px;font-weight:800}.results{display:grid;gap:9px;margin-top:14px}.result-card{background:#192530;border-radius:11px;padding:13px}.result-card small{display:block;color:#94a1ac;font-size:9px}.result-card strong{display:block;margin-top:3px;font-size:17px;letter-spacing:-.3px}.result-card em{display:block;color:#94a1ac;font-size:9px;font-style:normal;margin-top:2px}.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px}.content-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px}.content-card h2,.content-card h3{margin-top:0}.content-card p,.content-card li{font-size:13px;color:var(--muted)}.formula{background:#f6f2e4;border-left:3px solid var(--gold);padding:12px;border-radius:8px;font-size:12px;color:#4d4a40}.caution{background:#fff5d4;border:1px solid #ead286;border-radius:13px;padding:14px;font-size:12px;color:#6d5719;margin-top:16px}.related{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.related a{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;text-decoration:none;font-size:12px;font-weight:800}.ad-slot{display:none}.legal{max-width:850px}.legal h2{margin-top:35px}.legal p,.legal li{color:var(--muted)}@media(max-width:900px){.navlinks{display:none}.hero-grid,.calculator-layout{grid-template-columns:1fr}.category-list,.tool-grid{grid-template-columns:1fr 1fr}.principles{grid-template-columns:1fr 1fr}.result-panel{position:static}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.content-grid{grid-template-columns:1fr}}@media(max-width:600px){.wrap{width:min(100% - 24px,1160px)}.nav-cta{display:none}.hero{padding:65px 0}.hero h1{font-size:50px;letter-spacing:-3px}.trust,.hero-actions{flex-direction:column;align-items:stretch}.category-list,.tool-grid,.principles,.footer-grid,.calc-form,.related{grid-template-columns:1fr}.input-unit select{max-width:105px}.footer-bottom{display:grid;gap:5px}.section{padding:60px 0}}
.calc-shell[data-calculator]{display:grid;grid-template-columns:1.08fr .92fr;gap:20px;background:transparent;border:0;padding:0;box-shadow:none}.calc-shell[data-calculator] .calc-form{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 10px 35px rgba(17,29,40,.05)}.calc-shell[data-calculator] .result-panel{position:sticky;top:92px}.calculator-layout{display:block}.result-panel-placeholder{display:none}@media(max-width:900px){.calc-shell[data-calculator]{grid-template-columns:1fr}.calc-shell[data-calculator] .result-panel{position:static}}

.lang-switch{display:flex;align-items:center;gap:5px;margin-left:auto;margin-right:10px}
.lang-switch a{display:inline-flex;align-items:center;justify-content:center;min-width:32px;height:30px;padding:0 7px;border:1px solid var(--line);border-radius:7px;text-decoration:none;font-size:10px;font-weight:800;color:#56616b;background:#fff}
.lang-switch a.active{background:var(--dark);border-color:var(--dark);color:#fff}
.lang-switch a:hover{border-color:#aab4bd}
.language-home{min-height:75vh;display:grid;place-items:center;padding:70px 0}
.language-box{max-width:720px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:22px;padding:42px;box-shadow:0 24px 70px rgba(16,24,32,.10)}
.language-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:9px;margin-top:28px}
.language-grid a{padding:14px 8px;border-radius:10px;background:#f0f2f4;text-decoration:none;font-weight:800}
.static-copy{max-width:850px}
.static-copy p{color:var(--muted);font-size:16px;line-height:1.8}
@media(max-width:980px){.lang-switch{order:3;width:100%;justify-content:center;margin:6px 0 10px}.nav{flex-wrap:wrap;height:auto;padding:10px 0}.navlinks{order:4;width:100%;justify-content:center;padding-bottom:8px}.language-grid{grid-template-columns:1fr 1fr}}

.eng-status{display:flex;align-items:center;justify-content:space-between;padding:11px 13px;border-radius:10px;margin-top:13px;font-size:11px;font-weight:900}
.eng-status.pass{background:#123b2a;color:#7be1aa;border:1px solid #245a42}
.eng-status.review{background:#47292a;color:#ffb1ae;border:1px solid #704041}
.eng-status span{letter-spacing:1px}.eng-status b{color:#fff}
.pro-badge{display:inline-flex;padding:5px 8px;background:#fff1bf;border-radius:999px;color:#755514;font-size:9px;font-weight:900;letter-spacing:.8px;margin-bottom:10px}
.code-strip{display:flex;flex-wrap:wrap;gap:7px;margin:12px 0 0}.code-strip span{padding:5px 8px;border-radius:7px;background:#eef1f3;color:#65717c;font-size:10px;font-weight:800}

.reference-links{display:grid;gap:8px}.reference-links a{font-size:12px;font-weight:800;text-decoration:none;color:#42515e}.reference-links a:after{content:" ↗";color:#9a710c}.calc-shell[data-advanced-calculator]{display:grid;grid-template-columns:1.08fr .92fr;gap:20px;background:transparent;border:0;padding:0;box-shadow:none}.calc-shell[data-advanced-calculator] .calc-form{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 10px 35px rgba(17,29,40,.05)}.calc-shell[data-advanced-calculator] .result-panel{position:sticky;top:92px}@media(max-width:900px){.calc-shell[data-advanced-calculator]{grid-template-columns:1fr}.calc-shell[data-advanced-calculator] .result-panel{position:static}}

/* Metric Republic identity */
.brand-mark{background:linear-gradient(145deg,#0b1722,#18344d)!important;color:#fff!important;font-size:10px;letter-spacing:.4px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}
.brand-name{display:inline-flex;align-items:baseline;gap:6px;white-space:nowrap}
.brand-name b{font-weight:950;letter-spacing:.7px}
.brand-name i{font-style:normal;font-weight:750;color:#5d6a76;letter-spacing:.7px}
.footer-brand .brand-name i{color:#8fa0ae}
.hero-card{border:1px solid rgba(255,255,255,.06)}

/* Pre-launch UX */
.skip-link{position:fixed;left:12px;top:-80px;z-index:9999;background:#fff;color:#0b1722;padding:10px 14px;border-radius:8px;box-shadow:0 6px 25px #0002;font-weight:800}
.skip-link:focus{top:12px}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(47,128,237,.35);outline-offset:2px}
.global-search-btn{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:9px;padding:9px 12px;font-size:12px;font-weight:800;cursor:pointer;white-space:nowrap}
.tool-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tool-actions button{border:1px solid var(--line);background:#fff;color:var(--ink);padding:9px 12px;border-radius:9px;font-weight:800;font-size:12px;cursor:pointer}
.tool-actions button.active{background:var(--gold2);border-color:#8bbaf8;color:#1e5fae}
.search-dialog{width:min(720px,calc(100% - 24px));border:0;border-radius:18px;padding:0;box-shadow:0 30px 100px #0005}
.search-dialog::backdrop{background:rgba(7,16,25,.68);backdrop-filter:blur(3px)}
.search-box{background:#fff;padding:14px}.search-top{display:flex;gap:8px}
.search-top input{flex:1;height:48px;border:1px solid var(--line);border-radius:10px;padding:0 13px;font-size:15px}
.search-top button{width:48px;border:0;border-radius:10px;background:#eef1f4;font-size:22px;cursor:pointer}
.search-results{display:grid;gap:7px;margin-top:10px;max-height:60vh;overflow:auto}
.search-results a{display:grid;text-decoration:none;padding:11px;border:1px solid var(--line);border-radius:10px;background:#fff}
.search-results a:hover{background:#f6f9fc;border-color:#a9c9ef}.search-results small{font-size:9px;text-transform:uppercase;letter-spacing:1px;color:#2f80ed;font-weight:900}
.search-results b{font-size:14px;margin:2px 0}.search-results span{font-size:11px;color:var(--muted)}.search-results .empty{color:var(--muted);padding:18px}
.personal-tools{padding:26px 0;background:#eef2f5;border-bottom:1px solid var(--line)}
.personal-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:12px}.personal-head h2{font-size:22px;margin:0}.personal-head small{color:var(--muted)}
.personal-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}.personal-grid a{display:flex;align-items:center;justify-content:space-between;gap:10px;text-decoration:none;background:#fff;border:1px solid var(--line);padding:12px;border-radius:10px;font-size:12px}
.calc-form input:invalid{border-color:#c84b4b}
@media(max-width:900px){.global-search-btn{order:3}.personal-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.global-search-btn{padding:8px 10px}.personal-grid{grid-template-columns:1fr}.personal-head{align-items:start;flex-direction:column}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{.site-header,.site-footer,.lang-switch,.tool-actions,.global-search-btn,.related,.reference-links,.search-dialog{display:none!important}body{background:#fff}.section,.page-hero{padding:20px 0}.calc-shell,.content-card,.caution{break-inside:avoid;box-shadow:none!important}.wrap{width:100%!important;max-width:none!important}}
.faq-grid{display:grid;gap:8px}.faq-grid details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px}.faq-grid summary{cursor:pointer;font-weight:800;font-size:13px}.faq-grid p{color:var(--muted);font-size:12px;margin:9px 0 0}