:root{color-scheme:light;--ink:#192d36;--muted:#53666b;--line:#d8e1df;--orange:#bd490f}*{box-sizing:border-box}body{margin:0;background:#f7f9f7;color:var(--ink);font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}a{color:inherit;text-decoration:none}button,input,select{font:inherit;min-height:48px;border:1px solid var(--line);border-radius:9px}button{padding:10px 18px;background:white;color:var(--ink);cursor:pointer}summary{cursor:pointer}:focus-visible{outline:3px solid #b64c14;outline-offset:4px}a:hover{text-decoration:underline;text-underline-offset:5px}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:12px;top:12px;background:white;padding:14px;z-index:9}.lean-header{max-width:1240px;margin:auto;padding:24px 32px;display:flex;align-items:center;gap:32px;border-bottom:1px solid var(--line)}.lean-brand{display:flex;gap:12px;align-items:center;font-size:23px;font-weight:800;letter-spacing:1px}.lean-brand small{display:block;font-size:9px;letter-spacing:1.5px;color:var(--muted)}.orange{color:var(--orange)}.lean-header nav{display:flex;gap:18px;margin-left:auto;flex-wrap:wrap}.lean-header nav a{display:flex;align-items:center;min-height:48px;font-size:14px;font-weight:600}.languages{position:relative;font-size:14px}.languages summary{padding:12px;min-height:48px}.languages[open]{background:white;border:1px solid var(--line);border-radius:10px}.languages a{display:block;padding:12px;min-width:110px}.lean-main{max-width:1176px;padding:0 32px;margin:auto}.lean-intro{padding:48px 0 32px;max-width:920px}.eyebrow,.path-number{font-size:11px;font-weight:750;letter-spacing:1.7px;color:var(--muted)}h1{font-size:clamp(34px,4.5vw,56px);letter-spacing:-2px;line-height:1.08;margin:18px 0}h1 span{color:#467062}.lean-intro>p:not(.eyebrow){color:var(--muted);margin:18px 0 24px}.technical-search{display:flex;gap:12px;padding:7px;border:1px solid #a7b9b3;border-radius:13px;background:white}.technical-search input{width:100%;min-width:0;border:0;padding:12px;background:transparent}.technical-search button{background:var(--ink);color:white;min-width:110px;border:0;font-weight:650}.search-examples{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:12px;font-size:12px}.search-examples button{font-size:12px;background:transparent}.search-examples>span{color:var(--muted)}.search-results{display:none;margin-top:18px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:white}.search-results.is-visible{display:block}.search-results-header{display:flex;justify-content:space-between;padding:14px;gap:12px;font-size:12px;background:#eaf0ed}.search-result-item{display:flex;gap:16px;align-items:center;padding:16px;border-top:1px solid var(--line)}.result-type{font-size:11px;color:var(--muted);width:100px;flex-shrink:0}.result-main{flex:1}.result-title{display:block;font-weight:650}.result-meta{font-size:12px;color:var(--muted)}.result-arrow{color:var(--orange)}.empty-results{padding:20px;display:grid;gap:12px}.lean-paths{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.path{padding:26px;display:flex;flex-direction:column;border:1px solid #b5ccc3;border-radius:15px;background:#eaf2ee;transition:transform .18s}.path:hover{transform:translateY(-3px);text-decoration:none}.path-library{background:#fdf2e7;border-color:#e9a56d}.path-tools{background:#edf2f7;border-color:#bbcdd9}.path h2{font-size:23px;line-height:1.2;letter-spacing:-.5px;margin:20px 0 12px}.path p{color:var(--muted);font-size:14px;margin:0 0 26px}.path-go{margin-top:auto;display:flex;align-items:center;justify-content:space-between;min-height:48px;font-size:13px;font-weight:700;border-top:1px solid #233c4520;padding-top:15px}.path-go b{font-size:22px}.lean-resources{padding:46px 0 30px}h2{font-size:24px;letter-spacing:-.5px}.resource-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.resource-grid a{border:1px solid var(--line);background:white;padding:20px;border-radius:12px}.resource-grid strong,.resource-grid span{display:block}.resource-grid span{font-size:12px;color:var(--muted);margin-top:7px}.lean-calculators{border:1px solid var(--line);background:white;border-radius:12px}.lean-calculators>summary{display:flex;align-items:center;justify-content:space-between;gap:18px;list-style:none;padding:20px 24px;font-weight:700;min-height:76px}.lean-calculators summary::-webkit-details-marker{display:none}.lean-calculators small{display:block;font-size:12px;color:var(--muted);font-weight:400}.lean-calculators[open]>summary{border-bottom:1px solid var(--line)}.lean-bottom{display:flex;gap:28px;align-items:center;padding:40px 0}.lean-bottom>div{flex:1}.lean-bottom h2{font-size:20px;margin-bottom:8px}.lean-bottom p{font-size:13px;color:var(--muted)}.lean-bottom>a{font-size:13px;min-height:48px;display:flex;align-items:center}.lean-footer{max-width:1176px;margin:auto;padding:30px 32px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.lean-footer nav{display:flex;gap:20px;flex-wrap:wrap;margin:12px 0}.lean-footer nav a{min-height:48px;display:flex;align-items:center}.toast{display:none}.toast.is-visible{display:block;position:fixed;bottom:20px;left:20px;background:var(--ink);color:white;padding:16px;border-radius:10px}.field-tech-suite{padding:24px;max-width:720px;margin:auto}.field-suite-head{display:none}.field-suite-tabs{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:20px}.field-suite-tabs [aria-selected=true]{background:var(--ink);color:white}.field-suite-panel[hidden]{display:none}.field-suite-intro{font-size:14px;color:var(--muted)}.field-suite-panel form{display:grid;gap:16px}.field-suite-panel label{display:grid;gap:7px;font-size:13px;font-weight:600}.field-suite-panel input,.field-suite-panel select{width:100%;padding:12px;background:#f7f9f7;color:var(--ink)}.field-grid-two{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field-primary{background:var(--ink);color:white}.field-output{padding:18px;border-left:3px solid #628373;background:#edf3ef;margin-top:20px}.field-output>*{display:block}.field-reading strong{font:700 28px monospace}.field-reading small{margin-bottom:14px}.field-output[data-state=critical]{border-color:#b82a24}.field-output[data-state=attention]{border-color:#b87310}.field-report-button{margin-top:18px}.field-source-link{display:block;padding:16px 0;font-size:12px}@media(max-width:800px){.lean-header{padding:18px 20px;gap:16px;flex-wrap:wrap}.lean-header nav{order:3;width:100%;justify-content:space-between;gap:12px}.languages{margin-left:auto}.lean-main{padding:0 20px}.lean-intro{padding-top:30px}.lean-paths{grid-template-columns:1fr}.path{padding:22px}.path h2{margin:12px 0}.path p{margin-bottom:16px}.resource-grid{grid-template-columns:1fr 1fr}.lean-bottom{align-items:flex-start;flex-direction:column;gap:8px}.result-type{display:none}.lean-footer{padding:24px 20px}}@media(max-width:420px){.technical-search{gap:0}.technical-search button{min-width:80px;padding:10px}.technical-search input{font-size:14px}.resource-grid,.field-grid-two{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* Release 1.0: common access and text sizing. */
.skip-link:focus{position:fixed;top:12px;left:12px;z-index:10000;background:#fff;color:#12343d;padding:14px}main{scroll-margin-top:90px}img{max-width:100%}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #bc4919;outline-offset:4px}p{overflow-wrap:break-word}button.menu-toggle{min-width:44px;min-height:44px} [data-locale-control] a{font-size:14px}

.lean-brand small{font-size:12px;letter-spacing:.7px}.search-examples,.search-examples button,.result-meta,.lean-calculators small,.field-suite-panel label,.field-source-link,.lean-bottom>a{font-size:14px}.result-type,.search-results-header{font-size:12px}.lean-bottom p{font-size:16px}.resource-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.lean-header nav{gap:14px}@media(max-width:800px){.lean-header nav{justify-content:flex-start;gap:8px 18px}}@media(max-width:420px){.lean-brand{font-size:20px}.lean-header{gap:8px}.lean-brand img{width:36px;height:36px}.languages summary{padding:10px}.technical-search input{font-size:16px}}

.technical-search button{white-space:nowrap;flex-shrink:0}.lean-intro h1{letter-spacing:-.035em}@media(max-width:420px){.lean-header nav{display:grid;grid-template-columns:repeat(3,1fr);gap:0 16px}.technical-search button{min-width:88px}}

/* Trust and feedback: concise proof points at the moment they are useful. */
.home-trust{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0 0 28px}.home-trust a{min-height:92px;padding:18px 20px;border:1px solid var(--line);border-radius:12px;background:#fff;display:flex;flex-direction:column;justify-content:center}.home-trust a:hover{text-decoration:none;border-color:#8ca79e}.home-trust strong,.home-trust span{display:block}.home-trust strong{font-size:16px}.home-trust span{margin-top:5px;color:var(--muted);font-size:14px;line-height:1.45}.lean-feedback{margin:38px 0 4px;padding:28px 30px;border:1px solid #b8ccc5;border-radius:14px;background:#edf4f1;display:flex;align-items:center;gap:28px}.lean-feedback>div{flex:1}.lean-feedback h2{margin:7px 0 8px}.lean-feedback p{margin:0;color:var(--muted);font-size:16px}.lean-feedback>a{min-height:48px;padding:12px 18px;border:1px solid #7c9c91;border-radius:10px;background:#fff;display:flex;align-items:center;font-weight:700;white-space:nowrap}.lean-feedback>a:hover{text-decoration:none;border-color:#315f53}@media(max-width:720px){.home-trust{grid-template-columns:1fr}.lean-feedback{align-items:flex-start;flex-direction:column}.lean-feedback>a{width:100%;justify-content:center}}@media(max-width:420px){.home-trust a{min-height:84px;padding:16px}.lean-feedback{padding:22px 20px}}

/* Four primary work areas, with equal prominence. */
.lean-paths{grid-template-columns:repeat(2,minmax(0,1fr))}.path-inverter{background:#e3efed;border-color:#8eaaa3}.path-inverter .path-number,.path-inverter .path-go{color:#086c64}@media(max-width:620px){.lean-paths{grid-template-columns:1fr}}