/* ReliabilityBench — maintenance operations console, intentionally independent of other tool sites */
:root{--ink:#10191e;--ink-2:#29363c;--canvas:#e9edeb;--surface:#f8faf8;--field:#ffffff;--line:#aab7b6;--line-dark:#526263;--muted:#58686c;--lime:#d4f04a;--lime-ink:#243000;--cyan:#007d87;--cyan-pale:#d9eff0;--alert:#e34724;--max:1440px;--mono:"Cascadia Mono","SFMono-Regular",Consolas,monospace;--display:"Arial Narrow","Bahnschrift Condensed","Aptos Display",Arial,sans-serif;--space-1:8px;--space-2:14px;--space-3:22px;--space-4:36px;--space-5:58px;--space-6:92px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--canvas);color:var(--ink);font:16px/1.55 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}a{color:inherit;text-underline-offset:3px}a:hover{color:var(--cyan)}img{max-width:100%}.skip-link{position:absolute;z-index:99;left:-1000px;top:8px;background:var(--lime);padding:9px 12px;color:var(--ink);font:700 12px var(--mono)}.skip-link:focus{left:8px}
/* Header is a two-tier status console, not a marketing bar */
.site-header{background:var(--surface);border-bottom:1px solid var(--ink)}.header-inner{max-width:var(--max);min-height:92px;margin:auto;display:grid;grid-template-columns:minmax(350px,390px) minmax(240px,1fr) max-content;align-items:stretch}.brand{display:flex;align-items:center;min-width:350px;gap:14px;padding:14px 24px;color:var(--ink);text-decoration:none;border-right:1px solid var(--line);font:800 1.08rem var(--display);letter-spacing:.015em}.brand-mark{display:grid;place-items:center;width:40px;height:40px;background:var(--ink);color:var(--lime);font:700 11px var(--mono);letter-spacing:-.08em}.brand span{display:block;color:var(--muted);font:700 9px var(--mono);letter-spacing:.08em;margin-top:2px}.header-console{display:flex;align-items:center;justify-content:space-between;gap:22px;min-width:0;padding:0 24px;border-right:1px solid var(--line);font:700 10px var(--mono);letter-spacing:.08em;color:var(--muted)}.console-context{min-width:0;white-space:nowrap}.console-context-short{display:none}.header-console .live{color:var(--ink);white-space:nowrap}.header-console .live:before{content:"";display:inline-block;width:7px;height:7px;margin-right:7px;background:var(--lime);border:1px solid var(--ink)}.primary-nav{display:flex;align-items:stretch;justify-content:flex-end}.primary-nav a{display:flex;align-items:center;padding:0 13px;border-left:1px solid #d2dcda;color:var(--ink);font:700 11px var(--mono);letter-spacing:.04em;text-decoration:none}.primary-nav a:hover,.primary-nav a[aria-current="page"]{background:var(--ink);color:var(--lime);box-shadow:none}
.page{max-width:var(--max);margin:auto;padding:var(--space-4) 28px var(--space-6)}.breadcrumb{font:10px var(--mono);letter-spacing:.05em;color:var(--muted);margin:0 0 var(--space-3)}.breadcrumb a{color:var(--muted)}.eyebrow{font:800 10px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--cyan)}.page-head{max-width:1000px;border-bottom:2px solid var(--ink);padding:0 0 var(--space-4);margin-bottom:var(--space-4)}.page-head h1{font:900 clamp(2.4rem,5vw,5rem)/.93 var(--display);letter-spacing:-.045em;text-transform:uppercase;margin:11px 0 16px}.lead{max-width:830px;color:var(--ink-2);font-size:1.1rem}.section{margin-top:var(--space-5)}.section h2{font:900 clamp(1.7rem,3vw,2.65rem)/.98 var(--display);text-transform:uppercase;letter-spacing:-.025em;margin:0 0 var(--space-2)}.section h3{font:800 1.08rem/1.16 var(--display);letter-spacing:.01em;margin:var(--space-3) 0 var(--space-1)}.section p,.prose li{max-width:880px}.action-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:var(--space-3)}.button{display:inline-flex;align-items:center;gap:10px;background:var(--ink);color:var(--lime);border:0;border-radius:0;padding:13px 16px;font:800 11px var(--mono);letter-spacing:.05em;text-decoration:none;text-transform:uppercase;cursor:pointer}.button:before{content:"→";font-size:16px;line-height:0}.button:hover{background:var(--cyan);color:#fff}.button.secondary{background:transparent;color:var(--ink);outline:1px solid var(--ink)}.button.secondary:hover{background:var(--lime);color:var(--ink)}
/* Homepage: task routing and data ledgers replace a hero/card-grid landing template */
.hero{background:var(--surface);border-bottom:1px solid var(--ink)}.hero-inner{max-width:var(--max);margin:auto;min-height:440px;display:grid;grid-template-columns:118px minmax(0,1fr) 330px}.hero-index{padding:30px 18px;border-right:1px solid var(--line);font:800 10px/1.7 var(--mono);letter-spacing:.08em;color:var(--muted);writing-mode:vertical-rl;transform:rotate(180deg)}.hero-index strong{color:var(--cyan);font-size:14px}.hero-copy{padding:66px 48px 42px;align-self:center}.hero-copy h1{max-width:840px;margin:10px 0 20px;font:900 clamp(3.2rem,7.2vw,7.4rem)/.84 var(--display);letter-spacing:-.06em;text-transform:uppercase}.hero-copy p{max-width:670px;margin:0;color:var(--ink-2);font-size:1.08rem}.hero-readout{background:var(--ink);color:#eff5f1;padding:30px 25px;display:flex;flex-direction:column;justify-content:flex-end}.hero-readout .readout-label{font:700 10px var(--mono);letter-spacing:.1em;color:#a3b5b2;text-transform:uppercase;margin-bottom:20px}.readout-row{display:grid;grid-template-columns:24px 1fr auto;gap:10px;padding:13px 0;border-top:1px solid #425054;font:700 11px var(--mono);letter-spacing:.03em}.readout-row b{color:var(--lime);font-size:16px;line-height:1}.readout-row em{color:#b7c6c4;font-style:normal}.home-page{padding-top:0}.console-strip{display:grid;grid-template-columns:155px 1fr auto;gap:20px;align-items:center;border-bottom:1px solid var(--ink);padding:15px 0;font:700 10px var(--mono);letter-spacing:.07em;text-transform:uppercase}.console-strip strong{color:var(--cyan)}.console-strip span:last-child{color:var(--muted)}.workstream-section{display:grid;grid-template-columns:300px minmax(0,1fr);margin-top:var(--space-5);border-top:2px solid var(--ink)}.station-nav{border-right:1px solid var(--line);padding:var(--space-3) var(--space-3) var(--space-3) 0}.station-nav h2{font:900 1.9rem/.95 var(--display);text-transform:uppercase;margin:0 0 20px}.station-nav a{display:grid;grid-template-columns:32px 1fr;gap:8px;padding:12px 0;border-top:1px solid var(--line);font:700 11px var(--mono);text-decoration:none}.station-nav a span{color:var(--cyan)}.station-nav a:hover{color:var(--cyan)}.workstream-brief{padding:var(--space-3) 0 var(--space-3) var(--space-4)}.workstream-brief h2{max-width:720px;font:900 clamp(2rem,4vw,4.3rem)/.9 var(--display);text-transform:uppercase;letter-spacing:-.05em;margin:0 0 20px}.workstream-brief p{max-width:720px;font-size:1.05rem}.workstream-brief .method-line{display:grid;grid-template-columns:repeat(4,1fr);margin-top:var(--space-4);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.method-line div{min-height:104px;padding:15px;border-right:1px solid var(--line)}.method-line div:last-child{border:0}.method-line b{display:block;font:800 10px var(--mono);color:var(--cyan);letter-spacing:.09em}.method-line span{display:block;font:800 1rem/1.15 var(--display);margin-top:18px}.section-head{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:end;margin-bottom:var(--space-3)}.section-head h2{margin:0}.section-head p{margin:0;color:var(--muted);font-size:.94rem}.tool-ledger{border-top:2px solid var(--ink)}.ledger-row{display:grid;grid-template-columns:76px 170px minmax(220px,1fr) minmax(220px,.9fr) auto;gap:18px;align-items:center;padding:18px 8px;border-bottom:1px solid var(--line);text-decoration:none}.ledger-row:hover{background:var(--surface);color:var(--ink)}.ledger-no{font:700 11px var(--mono);color:var(--cyan)}.ledger-tag{font:700 10px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.ledger-row h3{font:800 1.28rem/1 var(--display);text-transform:uppercase;margin:0}.ledger-row p{margin:0;color:var(--muted);font-size:.87rem}.ledger-arrow{font:900 20px var(--mono);color:var(--cyan)}.evidence-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink);border-left:1px solid var(--line)}.evidence-grid article{padding:20px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:205px;background:transparent}.evidence-grid .step{font:800 10px var(--mono);color:var(--cyan);letter-spacing:.1em}.evidence-grid h3{font:900 1.4rem/.98 var(--display);text-transform:uppercase;margin:35px 0 10px}.evidence-grid p{margin:0;color:var(--muted);font-size:.9rem}
/* Hubs use row-ledgers rather than card grids */
.tool-list{border-top:2px solid var(--ink)}.tool-row{display:grid;grid-template-columns:160px minmax(210px,.75fr) minmax(0,1.2fr);gap:18px;align-items:center;min-height:106px;padding:16px 10px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}.tool-row:hover{background:var(--surface);color:var(--ink)}.tool-row .tag{font:800 10px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--cyan)}.tool-row h3{font:900 1.24rem/1 var(--display);letter-spacing:.005em;text-transform:uppercase;margin:0}.tool-row p{margin:0;color:var(--muted);font-size:.9rem}.split{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(290px,.8fr);gap:var(--space-5)}.workbench{align-self:start;background:var(--ink);color:#edf4f0;padding:25px;border-left:9px solid var(--lime)}.workbench h2{font:900 1.6rem/.95 var(--display);text-transform:uppercase;margin:0 0 16px}.workbench a{color:var(--lime);font-weight:800}.data-table{width:100%;border-collapse:collapse;background:transparent;font-size:.9rem}.data-table th,.data-table td{padding:15px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}.data-table th{background:var(--ink);color:var(--lime);font:800 10px var(--mono);letter-spacing:.08em;text-transform:uppercase}.data-table tr:nth-child(even) td{background:#dde4e1}.data-table td:first-child{font-weight:800}.note{position:relative;border-top:2px solid var(--alert);background:#fff1eb;padding:17px 20px;margin:var(--space-3) 0;max-width:880px}.note:before{content:"ENGINEERING NOTE";display:block;margin-bottom:8px;font:800 9px var(--mono);letter-spacing:.1em;color:var(--alert)}
/* Calculator is a horizontal input console with a separate, emphatic answer band */
.calc-layout{display:grid;grid-template-columns:1fr;gap:0;border-top:2px solid var(--ink);border-bottom:2px solid var(--ink);background:var(--surface)}.calculator{padding:24px 0 0;background:transparent;border:0}.calculator h2,.calculator .intro{padding:0 24px}.calculator h2{font:900 1.65rem/.95 var(--display);text-transform:uppercase;margin:0 0 8px}.calculator .intro{margin:0 0 20px;color:var(--muted);font-size:.9rem}.calculator .field{display:inline-grid;width:calc(25% - 4px);vertical-align:top;grid-template-columns:1fr;gap:7px;padding:15px 13px;margin:0;border-top:1px solid var(--line);border-right:1px solid var(--line)}.calculator .field:nth-of-type(4n+1){border-left:1px solid var(--line)}.field label{font:800 10px/1.3 var(--mono);letter-spacing:.04em;text-transform:uppercase}.field small{display:block;color:var(--muted);font-size:9px;font-weight:500;letter-spacing:0;text-transform:none;margin-top:3px}.field input,.field select{width:100%;min-width:0;border:0;border-bottom:2px solid var(--ink);border-radius:0;background:transparent;padding:8px 0;color:var(--ink);font:700 18px var(--mono)}.field input:focus,.field select:focus{outline:0;border-color:var(--cyan);box-shadow:0 3px 0 var(--cyan-pale)}.button-row{display:flex;gap:8px;flex-wrap:wrap;padding:20px 24px;margin:0}.result-panel{display:grid;grid-template-columns:190px minmax(180px,1fr) minmax(0,1.6fr) auto;gap:20px;align-items:center;background:var(--cyan);color:#fff;padding:20px 24px;border:0;position:static}.result-panel .label{font:800 10px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:#d7faf8}.result-value{font:900 clamp(1.8rem,4vw,3.8rem)/.9 var(--display);letter-spacing:-.05em;margin:0;color:var(--lime);overflow-wrap:anywhere;text-transform:uppercase}.result-message{margin:0;color:#e6ffff;font-size:.92rem}.result-panel button{background:transparent;color:#fff;border:1px solid #d7ffff;border-radius:0;padding:9px 11px;margin:0;font:800 10px var(--mono);text-transform:uppercase;cursor:pointer}.result-panel button:hover{background:var(--lime);border-color:var(--lime);color:var(--ink)}.formula{display:block;max-width:880px;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);background:transparent;padding:15px 0;font:700 15px var(--mono);overflow:auto}.formula:before{content:"// METHOD  ";color:var(--cyan);font-size:10px;letter-spacing:.08em}.related{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line);max-width:880px}.related a{padding:8px 10px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface);font:800 10px var(--mono);text-decoration:none}.related a:hover{background:var(--lime);color:var(--ink)}.guide-list{border-top:2px solid var(--ink)}.guide-list article{display:grid;grid-template-columns:170px minmax(0,1fr) auto;gap:22px;align-items:start;border-bottom:1px solid var(--line);padding:22px 0}.guide-list .kind{font:800 10px var(--mono);color:var(--cyan);letter-spacing:.08em;text-transform:uppercase}.guide-list h2{font:900 1.45rem/.98 var(--display);text-transform:uppercase;margin:0 0 7px}.guide-list p{margin:0;color:var(--muted)}
/* Footer acts as a documentation/status strip rather than a conventional column card footer */
.site-footer{background:var(--ink);color:#e7f0ec;border-top:0}.footer-inner{max-width:var(--max);margin:auto;padding:0 28px;display:grid;grid-template-columns:1.4fr repeat(3,1fr)}.footer-inner section{padding:28px 20px;border-right:1px solid #435154}.footer-inner section:first-child{padding-left:0}.footer-inner section:last-child{border:0}.footer-inner h2{font:900 1.12rem/.95 var(--display);text-transform:uppercase;margin:0 0 12px;color:var(--lime)}.footer-inner p,.footer-inner a{font-size:.84rem;color:#c1cfca}.footer-inner a{display:block;margin:5px 0}.footer-bottom{max-width:var(--max);margin:auto;border-top:1px solid #435154;padding:12px 28px 18px;font:800 10px var(--mono);letter-spacing:.06em;color:#94a8a2}
@media(max-width:1350px){.console-context-full{display:none}.console-context-short{display:inline}}
@media(max-width:1199px){.header-inner{grid-template-columns:minmax(340px,390px) minmax(0,1fr)}.header-console{justify-content:flex-end;border-right:0}.primary-nav{grid-column:1/-1;border-top:1px solid var(--line);justify-content:flex-start}.primary-nav a{padding:12px 13px}}
@media(max-width:980px){.header-inner{grid-template-columns:300px minmax(0,1fr)}.brand{min-width:300px;padding-left:20px;padding-right:20px}.hero-inner{grid-template-columns:72px minmax(0,1fr) 270px}.hero-copy{padding-left:32px;padding-right:32px}.workstream-brief .method-line{grid-template-columns:repeat(2,1fr)}.tool-row{grid-template-columns:135px minmax(190px,.7fr) 1fr}.calculator .field{width:calc(50% - 3px)}.result-panel{grid-template-columns:150px 1fr}.result-message{grid-column:2}.result-panel button{justify-self:start}.footer-inner{grid-template-columns:1.4fr 1fr 1fr}.footer-inner section:last-child{display:none}}
@media(max-width:700px){.header-inner{display:block;min-height:0}.brand{min-height:70px;border-right:0}.header-console{display:none}.primary-nav{overflow-x:auto;flex-wrap:nowrap}.primary-nav a{white-space:nowrap}.page{padding:28px 16px 62px}.hero-inner{min-height:0;display:block}.hero-index{height:auto;padding:10px 16px;border-right:0;border-bottom:1px solid var(--line);writing-mode:horizontal-tb;transform:none}.hero-copy{padding:44px 16px 35px}.hero-copy h1{font-size:clamp(3rem,15vw,5.5rem)}.hero-readout{padding:20px 16px}.console-strip{grid-template-columns:1fr;gap:5px;padding:14px 16px}.workstream-section{display:block;margin-left:-16px;margin-right:-16px}.station-nav{border-right:0;border-bottom:1px solid var(--line);padding:22px 16px}.workstream-brief{padding:28px 16px}.workstream-brief .method-line{grid-template-columns:1fr 1fr}.section-head{grid-template-columns:1fr;gap:10px}.ledger-row{grid-template-columns:48px 1fr auto;gap:9px;padding:15px 4px}.ledger-tag{display:none}.ledger-row p{grid-column:2/-1}.evidence-grid{grid-template-columns:1fr}.tool-row{grid-template-columns:1fr;gap:7px;padding:18px 0}.tool-row .tag{margin:0}.split{grid-template-columns:1fr;gap:28px}.calc-layout{margin-left:-16px;margin-right:-16px}.calculator h2,.calculator .intro{padding-left:16px;padding-right:16px}.calculator .field{width:50%;padding:13px 16px}.button-row{padding:16px}.result-panel{grid-template-columns:1fr;gap:11px;padding:18px 16px}.result-message{grid-column:auto}.guide-list article{grid-template-columns:1fr;gap:7px}.data-table{font-size:.82rem}.data-table th,.data-table td{padding:10px 8px}.footer-inner{padding:0 16px;grid-template-columns:1fr 1fr}.footer-inner section{padding:22px 12px}.footer-inner section:first-child{grid-column:1/-1;padding-left:0;border-right:0;border-bottom:1px solid #435154}.footer-bottom{padding:12px 16px 18px}}