:root{--paper:#f7f7f2;--white:#fff;--ink:#172c32;--muted:#52676b;--teal:#086958;--teal-dark:#044f43;--mint:#e5eee8;--line:#d6dfd7;--cream:#f2eddf;--amber:#78510f;--amber-bg:#fcf1d8;--rose:#8b3c2f;--rose-bg:#f9e9e2;--shadow:0 10px 38px #182f3510;--max:1160px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--teal);text-underline-offset:.2em}a:hover{color:var(--teal-dark)}button,input,select,textarea{font:inherit}button,a,input,select,textarea,summary{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.65;cursor:wait}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--teal);outline-offset:4px}.skip{position:absolute;left:16px;top:-100px;padding:12px;background:white;z-index:100}.skip:focus{top:10px}.wrap{width:min(var(--max),calc(100% - 64px));margin:auto}.preview-strip{background:var(--ink);color:#eef4ef;font-size:12px;letter-spacing:.02em}.preview-strip .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:9px}.preview-strip a{color:#d5ede2}.preview-label{font-weight:700;letter-spacing:.11em;font-size:10px;margin-right:12px}header{background:#f7f7f2f5;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}.header-inner{min-height:92px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);line-height:1.2}.brand-icon{display:block;width:38px;height:42px;border:2px solid var(--teal);border-radius:20px 20px 10px 10px;position:relative;transform:rotate(-8deg)}.brand-icon:before{content:"";position:absolute;left:16px;top:5px;height:26px;border-left:2px dashed var(--teal)}.brand-name{font-weight:720;font-size:18px;letter-spacing:-.025em}.brand-sub{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.15em;color:var(--muted);margin-top:5px}.nav{display:flex;gap:26px;align-items:center}.nav a{text-decoration:none;color:var(--ink);font-size:14px;font-weight:600;padding-block:12px}.nav a[aria-current=page]{box-shadow:0 2px var(--teal)}.menu-toggle{display:none;border:1px solid var(--line);padding:8px 14px;border-radius:6px;color:var(--ink);background:white;min-height:44px}.eyebrow{font-size:11px;letter-spacing:.15em;font-weight:750;text-transform:uppercase;color:var(--teal);margin:0 0 16px}.hero{padding:78px 0 66px}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:76px;align-items:center}h1,h2,h3,p{margin-top:0}h1{font:normal clamp(42px,5vw,65px)/1.09 Georgia,"Times New Roman",serif;letter-spacing:-.04em;margin-bottom:23px;max-width:760px}h1 em{color:var(--teal);font-weight:normal}h2{font:normal clamp(30px,3vw,40px)/1.2 Georgia,"Times New Roman",serif;letter-spacing:-.025em;margin-bottom:16px}h3{font-size:20px;line-height:1.3;letter-spacing:-.025em;margin-bottom:12px}p{margin-bottom:18px}.intro{font-size:18px;line-height:1.65;color:var(--muted);max-width:635px}.hero .intro{max-width:535px}.actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:29px}.btn{border:1px solid var(--teal);background:var(--teal);color:white;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:18px;min-height:49px;padding:11px 22px;border-radius:5px;font-size:14px;font-weight:650;line-height:1.5}.btn:hover{background:var(--teal-dark);color:white}.btn.secondary{background:transparent;color:var(--ink);border-color:#b8c8bd}.btn.secondary:hover{background:var(--mint)}.btn.small{min-height:44px;padding:8px 16px}.quiet-link{font-size:14px;font-weight:600}.fine{font-size:12px;color:var(--muted);line-height:1.6}.small{font-size:14px}.hero-note{margin-top:21px;max-width:500px;font-size:12px;color:var(--muted)}.market-note{background:var(--mint);padding:30px;border-radius:10px;position:relative;border:1px solid #cbdcd0;box-shadow:var(--shadow)}.market-note h2{font-size:27px;margin-bottom:8px}.market-note>.fine{max-width:320px}.model-row{display:flex;align-items:center;gap:15px;border-top:1px solid #c6d8cc;padding:16px 0}.model-row:last-child{padding-bottom:0}.model-num{display:grid;place-items:center;font-size:12px;width:29px;height:29px;border-radius:50%;border:1px solid #a5beb0;color:var(--teal);flex-shrink:0}.model-row strong{display:block;font-size:14px}.model-row span.text{color:var(--muted);font-size:12px;display:block;margin-top:1px}.trust-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0}.trust-inner{display:flex;justify-content:space-between;gap:20px;align-items:center;font-size:12px;color:var(--muted)}.trust-inner strong{color:var(--ink);font-weight:600}.trust-inner span{display:flex;align-items:center;gap:9px}.dot{width:5px;height:5px;background:var(--teal);border-radius:50%}.section{padding-block:63px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:28px}.section-head p{margin-bottom:0;max-width:700px;color:var(--muted)}.section-head h2{margin-bottom:12px}.type-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.type-card{background:white;border:1px solid var(--line);border-radius:7px;padding:23px 21px;display:flex;flex-direction:column;align-items:start}.type-card h3{font-size:18px;margin-top:22px}.type-card p{font-size:14px;color:var(--muted);flex:1}.type-card .tag{font-size:10px;color:var(--teal);background:var(--mint);padding:3px 9px;border-radius:3px;letter-spacing:.02em}.type-card a{font-size:13px;font-weight:600}.directory-preview{background:var(--cream);border-top:1px solid #e1dccd;border-bottom:1px solid #e1dccd}.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.provider-card{background:white;border:1px solid var(--line);border-radius:7px;padding:27px;display:flex;flex-direction:column;min-width:0;transition:border-color .15s}.provider-card:hover{border-color:#8baf99}.provider-card[hidden]{display:none}.card-top{display:flex;justify-content:space-between;align-items:start;gap:12px;margin-bottom:19px}.brand-token{font:18px Georgia,serif;color:var(--teal);width:43px;height:43px;display:grid;place-items:center;border:1px solid var(--line);background:var(--paper);border-radius:8px;flex-shrink:0}.card-identity{display:flex;gap:14px;align-items:center}.provider-card h3{font-size:21px;margin:0 0 2px}.provider-card h3 a{color:var(--ink);text-decoration:none}.card-role{font-size:12px;color:var(--muted)}.badge{display:inline-block;vertical-align:middle;border:1px solid #c2d5c8;border-radius:4px;background:#edf4ed;color:#2f6040;padding:3px 8px;font-size:10px;font-weight:650;line-height:1.5;white-space:normal}.badge.warning{background:var(--amber-bg);border-color:#dcc798;color:var(--amber)}.badge.closed{background:#eef0ef;border-color:#cbd2ce;color:#4f5a55}.provider-card .summary{font-size:14px;color:var(--muted);margin-bottom:22px;flex:1}.card-meta{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding-block:14px;border-top:1px solid #e5eae5;font-size:12px;line-height:1.5}.card-meta dt{font-size:10px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin-bottom:5px}.card-meta dd{margin:0;font-weight:600}.card-end{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:7px}.card-end a{font-size:13px;font-weight:650}.card-end small{font-size:10px;color:var(--muted)}.inline-alert{font-size:12px;line-height:1.6;color:var(--amber);background:var(--amber-bg);padding:11px 13px;border-radius:4px;margin:0 0 14px}.method-panel{display:grid;grid-template-columns:1fr 1fr;gap:70px}.method-points{border-top:1px solid var(--line)}.method-point{padding:16px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:25px 1fr;gap:12px}.method-point span{font-size:11px;color:var(--teal);padding-top:4px}.method-point strong{font-size:14px}.method-point p{font-size:13px;color:var(--muted);margin:3px 0 0}.launch-note{border:1px solid #c9d7ca;border-radius:6px;background:var(--mint);padding:20px 25px;font-size:13px}.launch-note strong{display:block;margin-bottom:4px}.launch-note p{margin:0}.page-intro{padding:46px 0 30px}.page-intro h1{font-size:clamp(39px,4.4vw,53px);margin-bottom:17px}.breadcrumb{font-size:12px;color:var(--muted);margin-bottom:30px}.breadcrumb a{color:var(--muted)}.page-intro .intro{font-size:17px;max-width:770px}.filter-panel{background:white;border:1px solid var(--line);border-radius:7px;padding:25px;margin:20px 0 25px}.filter-line{display:grid;grid-template-columns:2fr 1fr 1fr;gap:16px;align-items:end}.field label{display:block;font-size:12px;font-weight:650;margin-bottom:7px}.field input,.field select,.field textarea{width:100%;min-height:46px;border:1px solid #b6c5bb;background:white;border-radius:4px;padding:9px 12px;color:var(--ink);font-size:14px}.field textarea{min-height:130px;resize:vertical}.extra-filters{margin-top:15px}.extra-filters summary{cursor:pointer;font-size:13px;font-weight:600;min-height:36px;padding:5px 0}.extra-filters .filter-line{grid-template-columns:1fr 1fr 1fr;margin-top:10px}.checkfield{font-size:12px;display:flex;gap:8px;align-items:center;min-height:44px}.checkfield input{width:18px;height:18px;accent-color:var(--teal);flex-shrink:0}.filter-actions{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:18px;border-top:1px solid var(--line);padding-top:16px}.filter-buttons{display:flex;gap:10px}.text-button{border:0;background:none;color:var(--teal);text-decoration:underline;text-underline-offset:3px;min-height:44px;font-size:13px;padding:8px}.results-line{display:flex;justify-content:space-between;gap:18px;align-items:center;margin:0 0 19px;font-size:13px}.results-line .fine{margin:0}.empty{border:1px dashed #afc3b4;background:white;border-radius:6px;padding:36px;text-align:center;grid-column:1/-1}.empty h2{font-size:27px}.empty[hidden]{display:none}.scope-note{margin:24px 0;font-size:12px;color:var(--muted);max-width:790px}.profile-layout{display:grid;grid-template-columns:minmax(0,1fr) 322px;gap:38px;align-items:start;padding-bottom:60px}.profile-header{display:flex;align-items:center;gap:14px;margin-bottom:20px}.profile-header .brand-token{width:54px;height:54px;font-size:24px}.profile-header h1{margin:0}.profile-sub{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}.chip{padding:3px 10px;background:var(--mint);border-radius:4px;color:var(--teal);font-size:11px}.info-box{border:1px solid var(--line);background:white;padding:25px;border-radius:7px;margin-bottom:22px}.info-box h2{font-size:27px}.info-box h3{font-size:17px}.evidence-facts{margin:0}.fact-row{padding:18px 0;border-top:1px solid var(--line)}.fact-row dt{font-size:13px;font-weight:700;margin-bottom:6px}.fact-row dd{margin:0;font-size:14px;color:var(--muted)}.fact-row a{font-size:10px;margin-left:5px}.fact-state{font-size:10px;letter-spacing:.03em;color:var(--amber);margin-left:7px}.question-list{padding-left:20px;margin-bottom:0}.question-list li{font-size:14px;color:var(--muted);margin-bottom:10px}.source-list{padding:0;list-style:none;margin:0}.source-list li{border-top:1px solid var(--line);padding:14px 0}.source-list a{font-size:13px;font-weight:600;overflow-wrap:anywhere}.source-list p{font-size:11px;color:var(--muted);margin:5px 0 0}.profile-aside{position:sticky;top:119px}.profile-aside .info-box{padding:23px}.identity-list{font-size:12px;margin:0}.identity-list dt{font-weight:650;margin-top:14px}.identity-list dd{color:var(--muted);margin:4px 0 0;overflow-wrap:anywhere}.warning-box{background:var(--amber-bg);border-color:#decda7}.warning-box h3{color:var(--amber)}.issue{font-size:12px;margin-bottom:13px;color:#655323}.issue:last-child{margin-bottom:0}.issue strong{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:3px}.details-panel{border:1px solid var(--line);border-radius:5px;background:#fff;margin-bottom:18px}.details-panel summary{padding:18px 22px;font-size:14px;font-weight:650;cursor:pointer}.details-content{padding:0 22px 20px}.article{max-width:800px;margin:auto;padding-bottom:65px}.article h2{font-size:30px;margin-top:35px}.article p{color:var(--muted)}.article .intro{font-size:18px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:22px}.rule-card{border:1px solid var(--line);padding:24px;background:white;border-radius:6px;margin-bottom:18px}.rule-card h3{font-size:18px}.rule-card p{font-size:14px;margin-bottom:0}.steps-list{counter-reset:steps;list-style:none;padding:0}.steps-list li{padding:18px 0 18px 47px;border-top:1px solid var(--line);position:relative;font-size:14px;color:var(--muted)}.steps-list li:before{counter-increment:steps;content:counter(steps,decimal-leading-zero);position:absolute;left:0;color:var(--teal);font-size:12px;top:22px}.steps-list strong{display:block;color:var(--ink);margin-bottom:4px}.correction-form{display:grid;gap:18px}.form-result{background:var(--mint);padding:18px;border-radius:4px}.form-result[hidden]{display:none}.admin-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.stat-tile{border:1px solid var(--line);border-radius:5px;background:white;padding:20px}.stat-tile strong{font:32px Georgia,serif;display:block}.stat-tile span{font-size:12px;color:var(--muted)}pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#e9eee7;border:1px solid var(--line);padding:22px;border-radius:5px;font:12px/1.7 monospace}.status-table{border-collapse:collapse;width:100%;font-size:13px}.status-table th,.status-table td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--line);vertical-align:top}.status-table th{font-size:11px;color:var(--muted)}.status-table .badge{white-space:nowrap}footer{background:var(--ink);color:#d2dfd8;padding:45px 0 27px}.footer-top{display:flex;justify-content:space-between;gap:40px;margin-bottom:28px}.footer-brand{font:25px Georgia,serif;color:white}.footer-top p{font-size:12px;max-width:430px;margin:9px 0 0}.footer-links{display:flex;gap:20px;flex-wrap:wrap;align-content:start;justify-content:end;max-width:420px}.footer-links a{font-size:12px;color:#e3ece5}.footer-bottom{border-top:1px solid #3e5255;padding-top:20px;display:flex;justify-content:space-between;gap:24px;font-size:10px;color:#b7c7bf}.footer-bottom p{max-width:840px;margin-bottom:0}.noscript{display:block;padding:12px;background:var(--amber-bg);font-size:13px}.no-overflow{overflow-wrap:anywhere}body:has(#standalone-marker) .server-only{display:none}.muted{color:var(--muted)}.readonly-label{font-size:11px;color:var(--amber);background:var(--amber-bg);padding:10px 15px;border-radius:4px}.mobile-only{display:none}
@media(min-width:1350px){.hero{padding-top:85px;padding-bottom:76px}}
@media(max-width:1000px){.hero-grid{gap:35px}.hero{padding-top:54px}.nav{gap:19px}.type-grid{grid-template-columns:repeat(2,1fr)}.profile-layout{grid-template-columns:minmax(0,1fr) 280px;gap:22px}.card-top{flex-wrap:wrap}.profile-aside{top:113px}.method-panel{gap:35px}.trust-inner{flex-wrap:wrap;justify-content:start;column-gap:32px}}
@media(max-width:720px){.wrap{width:calc(100% - 36px)}.preview-strip .wrap{padding-block:8px}.preview-strip .secondary-note{display:none}.preview-strip{font-size:10px}.preview-label{font-size:9px;margin-right:7px}.header-inner{min-height:74px;gap:15px;flex-wrap:wrap}.brand-name{font-size:16px}.brand-icon{width:31px;height:35px}.brand-icon:before{left:12px;height:23px}.brand-sub{font-size:8px}.menu-toggle{display:block;font-size:12px}.nav{display:none;flex-basis:100%;padding-bottom:17px;gap:0;flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{min-height:45px;padding:10px 5px}.nav a[aria-current=page]{box-shadow:none;border-left:2px solid var(--teal);padding-left:12px}.hero{padding:44px 0 35px}.hero-grid{grid-template-columns:1fr;gap:30px}h1{font-size:44px;letter-spacing:-.04em}.intro{font-size:16px}.hero .intro{max-width:100%}.eyebrow{font-size:10px;margin-bottom:14px}.hero .actions{margin-top:24px;gap:10px}.hero .btn{padding-inline:16px}.market-note{padding:25px}.market-note h2{font-size:25px}.model-row{padding:13px 0}.trust-inner{display:grid;grid-template-columns:1fr 1fr;gap:10px;font-size:10px}.trust-strip{padding:16px 0}.section{padding-block:40px}.section-head{align-items:start;flex-direction:column;gap:10px;margin-bottom:23px}.section-head h2{font-size:32px}.section-head p{font-size:14px}.type-grid{gap:11px}.type-card{padding:17px 15px}.type-card h3{font-size:16px;line-height:1.35;margin-top:16px}.type-card p{font-size:12px}.type-card a{font-size:12px}.cards{grid-template-columns:1fr;gap:14px}.provider-card{padding:21px}.card-top{flex-wrap:nowrap;gap:12px}.brand-token{width:37px;height:39px}.card-identity{gap:11px}.provider-card h3{font-size:20px}.badge{font-size:9px;max-width:112px}.provider-card .summary{font-size:13px;margin-bottom:16px}.card-meta{margin-bottom:4px;gap:12px}.card-end small{font-size:10px}.method-panel{grid-template-columns:1fr;gap:24px}.page-intro{padding-top:30px}.page-intro h1{font-size:41px}.page-intro .intro{font-size:15px}.breadcrumb{font-size:11px;margin-bottom:24px}.filter-panel{padding:18px;margin-top:10px}.filter-line{grid-template-columns:1fr;gap:15px}.extra-filters .filter-line{grid-template-columns:1fr}.filter-actions{flex-wrap:wrap;gap:7px}.filter-buttons{width:100%;justify-content:space-between}.results-line{align-items:start;font-size:12px}.results-line .fine{font-size:10px;text-align:right;max-width:105px}.profile-layout{grid-template-columns:1fr;gap:0}.profile-aside{position:static}.profile-aside .info-box{padding:22px}.info-box{padding:22px}.info-box h2{font-size:25px}.profile-header h1{font-size:43px}.profile-header .brand-token{width:48px;height:48px}.two-col{grid-template-columns:1fr;gap:0}.article h2{font-size:28px}.article p{font-size:14px}.article .intro{font-size:16px}.footer-top{flex-direction:column;gap:24px}.footer-links{justify-content:start;gap:15px}.footer-bottom{flex-direction:column;gap:12px}.footer-brand{font-size:24px}.admin-grid{grid-template-columns:1fr 1fr}.status-table th,.status-table td{padding:9px 5px;font-size:11px}.status-table .badge{white-space:normal}.mobile-only{display:block}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}@media print{header,.preview-strip,footer,.filter-panel,.actions,.skip{display:none}.wrap{width:100%}.provider-card,.info-box{break-inside:avoid}.hero,.section{padding:20px 0}.profile-layout{display:block}.profile-aside{position:static}a{color:inherit}.cards{display:block}.provider-card{margin:15px 0}}
/* Phase 3: editorial reading, accessible examples and guide discovery. */
.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.guide-card{display:flex;flex-direction:column;min-width:0;padding:28px;background:var(--white);border:1px solid var(--line);border-radius:7px}.guide-card[hidden]{display:none}.guide-card h3{font:normal 25px/1.22 Georgia,serif;letter-spacing:-.025em}.guide-card h3 a{text-decoration:none;color:var(--ink)}.guide-card>p:not(.eyebrow){font-size:14px;color:var(--muted);flex:1}.guide-card-end{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:16px;font-size:11px;color:var(--muted)}.guide-card-end a{font-size:12px;font-weight:650}.guide-card .eyebrow{font-size:10px}.market-update{margin-top:24px;display:flex;flex-wrap:wrap;gap:14px;padding:17px 20px;background:var(--mint);border-radius:5px;font-size:13px}.market-update .tag{text-transform:uppercase;letter-spacing:.1em;font-size:10px;font-weight:700;padding-top:3px}.guide-hub{padding-top:0}.guide-filter-row{display:grid;grid-template-columns:minmax(200px,2fr) minmax(180px,1fr) auto auto;gap:16px;align-items:end}.guide-intro{padding-bottom:36px}.guide-intro h1{max-width:920px}.article-meta{display:flex;flex-wrap:wrap;gap:10px 24px;font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:18px;margin-top:23px}.draft-status{font-weight:650;color:var(--amber)}.guide-layout{display:grid;grid-template-columns:255px minmax(0,740px);gap:65px;justify-content:space-between;padding-bottom:30px;align-items:start}.guide-sidebar{position:sticky;top:118px}.on-this-page{border-top:2px solid var(--teal);border-bottom:1px solid var(--line);padding-block:21px}.on-this-page ol{list-style:none;margin:0;padding:0}.on-this-page li{margin-bottom:10px;font-size:13px;line-height:1.5}.on-this-page a{display:block;padding:6px 0;text-decoration:none;color:var(--muted)}.on-this-page a:hover{text-decoration:underline;color:var(--teal)}.guide-help{font-size:12px;color:var(--muted);padding-top:25px}.guide-help p{margin-top:7px}.guide-body{min-width:0;font-size:17px;line-height:1.78}.guide-body p{color:var(--muted)}.answer-panel{border-left:3px solid var(--teal);border-radius:0 7px 7px 0;background:var(--mint);padding:26px 29px;margin-bottom:38px}.answer-panel .eyebrow{margin-bottom:11px}.answer-panel>p:last-child{margin:0;color:var(--ink);font-size:18px;line-height:1.65}.guide-section{margin-bottom:34px}.guide-section h2,.guide-source-section h2,.reading-next h2{font-size:31px;line-height:1.25;margin-bottom:19px;scroll-margin-top:130px}.guide-section h2:focus,.guide-source-section h2:focus,.article-sources li:focus{outline:2px solid var(--teal);outline-offset:5px}.guide-section h3{font-size:19px}.citation-link{font-size:12px;white-space:nowrap;text-decoration:none;font-weight:650;padding:2px}.worked-example{background:var(--cream);border:1px solid #e1dccd;border-radius:7px;padding:25px;margin:25px 0}.worked-example>p:not(.eyebrow){font-size:15px}.worked-example .fine{font-size:12px!important;margin-top:16px;margin-bottom:0}.example-table-wrap{max-width:100%;overflow-x:auto;overscroll-behavior-x:contain}.example-table{width:100%;border-collapse:collapse;font-size:13px;line-height:1.5;margin-block:6px}.example-table th,.example-table td{border-bottom:1px solid #d5cfbe;padding:13px 10px;text-align:left;vertical-align:top}.example-table thead th{font-size:11px;letter-spacing:.02em}.example-table tbody th{font-weight:550}.example-table caption{font-size:12px;text-align:left;padding-bottom:9px;color:var(--muted)}.reading-checks{border-top:1px solid var(--line);padding-top:20px;margin-top:25px}.reading-checks ul{padding-left:21px;font-size:15px;color:var(--muted)}.reading-checks li{margin-block:10px}.guide-source-section{padding-top:28px;border-top:1px solid var(--line);margin-top:40px}.article-sources{list-style:none;padding:0}.article-sources li{display:grid;grid-template-columns:30px minmax(0,1fr);gap:8px;padding:18px 0;border-bottom:1px solid var(--line);scroll-margin-top:135px}.source-number{font-size:12px;color:var(--teal);font-weight:650}.article-sources a{font-size:14px;overflow-wrap:anywhere;font-weight:600}.article-sources p{font-size:12px;margin:5px 0 0;line-height:1.65}.editorial-note{padding:21px 24px;border:1px solid var(--line);background:white;border-radius:6px;font-size:13px;color:var(--muted);margin-top:30px}.editorial-note strong{color:var(--ink);display:block;margin-bottom:7px}.editorial-note p{margin-bottom:10px}.editorial-note p:last-child{margin-bottom:0}.reading-next{margin-top:36px;padding-top:25px;border-top:1px solid var(--line)}.reading-next p{font-size:15px}.profile-reading-links{display:flex;gap:8px 24px;flex-wrap:wrap;list-style:none;padding:0;margin-block:15px 22px;font-size:14px}.correction-link{margin:24px 0 0!important}.two-guides{grid-template-columns:repeat(2,minmax(0,1fr))}.related-guide-box ul{padding-left:20px;margin-bottom:0;font-size:14px}.related-guide-box li{padding-block:6px}.editor-profile{display:flex;align-items:center;gap:23px;padding:25px;background:var(--mint);border-radius:7px}.editor-profile h2{margin:0 0 8px}.editor-profile p{margin:0;font-size:14px}.editor-profile .eyebrow{margin-bottom:8px}.editor-monogram{width:80px;height:80px;flex-shrink:0;border:1px solid #afc8b8;border-radius:50%;display:grid;place-items:center;font:32px Georgia,serif;color:var(--teal)}.glossary-list{margin:0}.glossary-item{border-top:1px solid var(--line);padding:23px 0}.glossary-item dt{font-size:20px;font-weight:650;margin-bottom:7px}.glossary-item dd{margin:0}.glossary-item p{font-size:15px;margin-bottom:8px}.glossary-item a{font-size:13px}.nav{gap:21px}
@media(max-width:1100px){.guide-layout{grid-template-columns:215px minmax(0,1fr);gap:35px}.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.guide-filter-row{grid-template-columns:minmax(180px,1.5fr) minmax(150px,1fr)}.guide-card{padding:25px}.nav{gap:13px}.nav a{font-size:13px}}
@media(max-width:960px){.header-inner{flex-wrap:wrap;min-height:78px}.menu-toggle{display:block}.nav{display:none;flex-basis:100%;flex-direction:column;align-items:stretch;gap:0;padding-bottom:14px}.nav.open{display:flex}.nav a{min-height:44px;padding:9px 5px}.nav a[aria-current=page]{box-shadow:none;border-left:2px solid var(--teal);padding-left:12px}}
@media(max-width:780px){.guide-layout{display:block}.guide-sidebar{position:static;margin-bottom:27px}.guide-help{display:none}.on-this-page{padding-block:17px}.on-this-page ol{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.on-this-page li{margin-bottom:3px;font-size:12px}.guide-body{font-size:16px}.guide-section h2,.guide-source-section h2,.reading-next h2{font-size:28px}.guide-intro{padding-bottom:25px}.article-meta{gap:8px 15px;font-size:11px}}
@media(max-width:580px){.guide-grid,.guide-filter-row{grid-template-columns:1fr}.guide-grid{gap:15px}.guide-card{padding:23px}.guide-card h3{font-size:25px}.guide-filter-row{gap:14px}.guide-intro h1{font-size:38px}.answer-panel{padding:21px}.answer-panel>p:last-child{font-size:16px}.worked-example{padding:19px}.guide-section h2{font-size:27px}.guide-body{font-size:15px}.guide-section{margin-bottom:29px}.guide-layout{padding-bottom:0}.example-table{font-size:12px;min-width:260px}.example-table td,.example-table th{padding:11px 7px}.editor-profile{padding:20px;gap:15px}.editor-monogram{width:52px;height:52px;font-size:25px}.editor-profile h2{font-size:26px}.editor-profile .eyebrow{font-size:9px}.editor-profile p{font-size:12px}.guide-hub .results-line{font-size:12px}.guide-hub .results-line>a{font-size:11px}}
@media print{.guide-sidebar,.guide-filter-row,.reading-next,.two-guides{display:none}.guide-layout{display:block}.guide-body{font-size:11pt}.guide-section h2{font-size:18pt}.worked-example,.answer-panel{break-inside:avoid}.article-meta{display:block}.article-sources{font-size:10pt}.guide-intro h1{font-size:27pt}a[data-jump]{color:inherit}.guide-source-section{break-before:auto}.guide-grid{display:block}.guide-card{break-inside:avoid;margin-bottom:14px}}
/* Browser-local worksheets, shared by static pages and the portable preview. */
.tool-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.tool-card{padding:27px;background:var(--white);border:1px solid var(--line);border-radius:7px;display:flex;flex-direction:column}.tool-card h3{font:26px/1.25 Georgia,serif;margin:15px 0}.tool-card h3 a{color:var(--ink);text-decoration:none}.tool-card p{font-size:14px;flex:1}.tool-number{color:var(--teal);font-size:12px;letter-spacing:.1em}.tool-card>a{font-weight:650;font-size:13px}.tool-principles{padding-bottom:60px}.tool-principles h3{font-size:18px}.tool-principles p{font-size:14px;color:var(--muted)}.privacy-pill{display:inline-block;background:var(--mint);color:var(--teal-dark);padding:7px 12px;font-size:12px;border-radius:4px}.tool-layout{display:grid;grid-template-columns:minmax(0,760px) minmax(240px,330px);gap:36px;align-items:start;padding-bottom:60px}.tool-workspace{min-width:0}.tool-aside{min-width:0}.tool-aside .info-box{padding:24px}.tool-aside h2{font-size:24px}.tool-aside p{font-size:13px}.tool-aside .info-box+.info-box{margin-top:20px}#mileage-tool{background:white;border:1px solid var(--line);border-radius:8px;padding:28px}#tool-fields{border:0;margin:0;padding:0;min-width:0}.tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:19px;margin:17px 0}.tool-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.tool-grid .field{min-width:0}.tool-grid input,.tool-grid select{width:100%;min-width:0}.tool-workspace .field small{display:block;color:var(--muted);font-size:11px;line-height:1.5;margin-top:6px}.tool-workspace input,.tool-workspace select{min-height:46px}.tool-workspace label{font-size:13px}.journey-group{border:0;border-top:1px solid var(--line);padding:17px 0 0;margin:25px 0 0;min-width:0}.journey-group legend{padding-right:12px;font-weight:650;font-size:15px}.tool-instruction,.tool-callout{font-size:13px;margin:20px 0}.tool-callout{padding:17px;background:var(--cream);border-radius:5px}.tool-callout p{margin:7px 0 0}.tool-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:28px}.tool-actions .btn{padding:12px 18px}.tool-actions+.fine{margin-top:17px;margin-bottom:0}.tool-error{background:var(--rose-bg);border-left:3px solid var(--rose);padding:17px;color:var(--rose);font-size:14px}.tool-error:focus,.tool-result:focus{outline:2px solid var(--teal);outline-offset:5px}#tool-feedback{font-size:13px;color:var(--teal);margin-bottom:0}.tool-result{margin-top:25px;background:var(--mint);border:1px solid #b9d1c1;border-radius:7px;padding:28px;overflow-wrap:anywhere}.tool-result h2{font-size:29px}.tool-result p{font-size:13px}.tool-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:24px 0}.tool-metric span,.tool-metric small{display:block;font-size:12px}.tool-metric strong{display:block;font:35px/1.4 Georgia,serif;color:var(--teal-dark);overflow-wrap:anywhere}.formula{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px!important;background:#ffffff80;padding:12px;overflow-wrap:anywhere}.tool-warning{border-left:3px solid var(--amber);padding:12px;background:var(--amber-bg)}.tool-print{display:flex;align-items:center;gap:18px;margin-top:22px}.tool-print small{font-size:12px;color:var(--muted)}.tool-record{border-top:1px solid #b9d1c1;padding-top:15px;margin:20px 0 0;font-size:11px!important}.tool-confirm{align-items:flex-start;margin-top:20px;font-size:13px}.tool-confirm input{min-height:0;flex-shrink:0;margin-top:5px}.daily-row{padding-top:8px;border-bottom:1px solid var(--line)}.cost-difference{font-weight:650}.tool-result[hidden],#daily-cap-fields[hidden],.tool-error[hidden]{display:none}
/* Readable mobile navigation even if scripts cannot initialise. */
@media(max-width:960px){html:not(.js-enabled) .nav{display:flex}html:not(.js-enabled) .menu-toggle{display:none}}
@media(max-width:1100px){.tool-layout{grid-template-columns:minmax(0,1fr) 270px;gap:22px}.tool-grid.three{grid-template-columns:1fr}.tool-card{padding:22px}}
@media(max-width:800px){.tool-layout{grid-template-columns:1fr}.tool-cards{grid-template-columns:1fr}.tool-aside{display:grid;grid-template-columns:1fr 1fr;gap:18px}.tool-aside .info-box+.info-box{margin:0}.tool-principles .tool-cards{gap:5px}}
@media(max-width:580px){.tool-grid,.tool-grid.three,.tool-aside{grid-template-columns:1fr}.tool-layout{padding-bottom:35px}#mileage-tool{padding:20px}.tool-result{padding:21px}.tool-metric strong{font-size:29px}.tool-metrics{gap:12px}.tool-print{align-items:flex-start;flex-direction:column;gap:10px}.tool-actions{gap:9px}.tool-actions .btn{font-size:13px;padding:11px 14px}.tool-intro h1{font-size:37px}.privacy-pill{font-size:10px}}
@media print{.tool-aside,#mileage-tool,.tool-print,.privacy-pill{display:none}.tool-layout{display:block;width:100%;padding:0}.tool-intro{padding:0}.tool-intro h1{font-size:23pt}.tool-intro .intro{font-size:11pt}.tool-result{display:block;background:white;border:0;padding:0;margin:15px 0}.tool-result[hidden]{display:none}.tool-result h2{font-size:18pt}.tool-result p{font-size:10pt}.tool-metric strong{font-size:24pt}.tool-result table{font-size:9pt}.tool-result tr{break-inside:avoid}.tool-metrics{break-inside:avoid}.tool-record{font-size:8pt!important}}
/* Monitoring controls keep the main action visible on narrow screens. */
.monitor-shell{padding-bottom:60px}.monitor-control{display:flex;gap:14px;align-items:end;flex-wrap:wrap;background:white;border:1px solid var(--line);padding:22px;border-radius:7px}.monitor-control .field{flex:1;min-width:230px}.monitor-control select,.monitor-shell input,.monitor-shell textarea,.monitor-shell select{min-height:46px;max-width:100%;font:inherit}.monitor-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:24px 0}.monitor-stats>div{padding:20px;background:var(--mint);border-radius:6px}.monitor-stats strong{display:block;font-size:24px}.monitor-stats span{font-size:12px}.monitor-section{margin-top:34px}.monitor-card{background:white;border:1px solid var(--line);padding:20px;border-radius:6px;margin:13px 0;overflow-wrap:anywhere}.monitor-card summary{cursor:pointer;min-height:44px;font-weight:650}.monitor-card p,.monitor-card dl{font-size:13px}.monitor-card dd{margin:0 0 9px;color:var(--muted)}.monitor-card dt{font-weight:650}.monitor-card pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px;background:var(--paper);padding:15px;max-height:300px;overflow:auto}.monitor-card form{display:grid;gap:14px;max-width:650px}.monitor-card label{display:block;font-size:13px}.monitor-card input,.monitor-card textarea,.monitor-card select{display:block;width:100%;margin:6px 0}.monitor-failure,#monitor-error{color:var(--rose);background:var(--rose-bg);padding:14px;border-radius:4px}#monitor-error[hidden]{display:none}#monitor-progress{padding:16px;background:var(--cream);overflow-wrap:anywhere}#monitor-sources{margin-top:16px}@media(max-width:650px){.monitor-control{padding:18px;display:grid;grid-template-columns:1fr}.monitor-control .field{min-width:0}.monitor-control button{width:100%}.monitor-stats{grid-template-columns:1fr 1fr}.monitor-stats strong{font-size:20px}.monitor-card{padding:17px}}
/* Phase 6: keyboard focus, reflow, reduced motion and control boundaries. */
.pad-bottom-48{padding-bottom:48px}.pad-bottom-40{padding-bottom:40px}.note-top-10{margin:10px 0 0}.note-top-14{margin-top:14px;margin-bottom:0}.note-top-16{margin-top:16px}.note-top-24{margin-top:24px}.no-margin{margin:0}
button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--ink);outline-offset:4px;box-shadow:0 0 0 3px white}
input,select,textarea{border-color:#708580!important}input[type=checkbox]{outline-offset:3px}
header{position:relative;backdrop-filter:none}.guide-sidebar{position:static}html{scroll-padding-top:20px}
body{overflow-wrap:break-word}.nav a,.footer-links a{min-height:24px}.citation-link{display:inline-flex;align-items:center;justify-content:center;min-width:24px;min-height:24px}
.status-table{table-layout:fixed;overflow-wrap:anywhere}.status-table caption{text-align:left;font-weight:650;padding-block:12px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media(forced-colors:active){button,a,input,select,textarea,summary{forced-color-adjust:auto}.btn{border:1px solid ButtonText}button:focus-visible,a:focus-visible{outline:3px solid Highlight;box-shadow:none}}
@media(max-width:380px){.wrap{width:calc(100% - 32px)}.brand-name{font-size:16px}.brand-sub{font-size:9px}.header-inner{gap:12px}.on-this-page ol{grid-template-columns:1fr}.tool-metrics{grid-template-columns:1fr}}
.research-promo{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:50px;background:var(--mint);padding:40px;border-radius:9px}.research-promo p{max-width:650px}.research-highlight{border-left:1px solid #b8cec2;padding-left:35px;display:flex;flex-direction:column;justify-content:center}.research-highlight strong{font:64px Georgia,serif;color:var(--teal);line-height:1.2}.research-highlight span{font-size:17px}.research-highlight small{font-size:11px;color:var(--muted);line-height:1.7;margin-top:12px}.research-article{max-width:1100px;padding-bottom:65px}.research-article>section{margin:35px 0}.research-article h2{font-size:30px;line-height:1.3}.research-article p,.research-hub p{color:var(--muted);line-height:1.8}.research-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:28px 0}.research-stats .stat-tile strong{font-size:44px}.research-figure{margin:34px 0;background:white;border:1px solid var(--line);border-radius:8px;overflow:hidden}.research-figure img{display:block;width:100%;height:auto}.research-figure figcaption{padding:15px 22px;font-size:12px;color:var(--muted);border-top:1px solid var(--line);line-height:1.6}.research-columns{display:grid;grid-template-columns:1fr 1fr;gap:40px}.research-details{border:1px solid var(--line);padding:18px 22px;margin:25px 0;border-radius:6px}.research-details summary{cursor:pointer;font-weight:650;min-height:30px}.research-downloads{background:var(--mint);padding:28px 32px;border-radius:7px;margin-top:32px}.research-downloads li{padding:6px 0}.research-citation{font-size:13px}.research-article code{font-size:.85em;overflow-wrap:anywhere}.research-cell-note{display:block;font-size:11px;font-weight:400;margin-top:7px;color:var(--muted)}.research-sources{padding-left:16px;margin-top:10px;font-size:11px}.research-sources li{margin-block:8px}.research-market table{min-width:760px}.research-market td:nth-child(3){min-width:240px}.research-market p{font-size:12px;margin:8px 0}.research-hub h2{font-size:30px}.research-article .steps-list{max-width:850px}.research-article .example-table-wrap:focus{outline:2px solid var(--teal);outline-offset:3px}
@media(max-width:700px){.research-promo{grid-template-columns:1fr;padding:26px;gap:25px}.research-highlight{border-left:0;border-top:1px solid #b8cec2;padding:20px 0 0}.research-highlight strong{font-size:50px}.research-columns{grid-template-columns:1fr;gap:10px}.research-stats{gap:9px}.research-stats .stat-tile{padding:15px 10px}.research-stats .stat-tile strong{font-size:30px}.research-stats .stat-tile span{font-size:11px}.research-downloads{padding:22px}.research-details{padding:16px}.research-article h2{font-size:26px}}
@media print{.research-article{max-width:none}.research-figure{break-inside:avoid}.research-details{display:block}.research-downloads{break-inside:avoid}.research-stats .stat-tile{background:white}}
.page-sharing{display:grid;grid-template-columns:1fr auto;gap:10px 30px;padding:25px 0 38px;border-top:1px solid var(--line)}.page-sharing p{font-size:12px;color:var(--muted);max-width:720px;margin:8px 0}.share-actions,.review-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.page-sharing #share-status,.page-sharing #share-manual{grid-column:1/-1}.page-sharing input{width:100%;padding:12px;border:1px solid var(--line);font-size:14px;border-radius:4px}.page-sharing label{display:block;font-size:12px;margin-bottom:7px}.review-banner{background:var(--cream);border-bottom:1px solid var(--line);padding:12px 0;font-size:12px}.review-banner .wrap{display:flex;justify-content:space-between;gap:20px}.review-banner a{font-weight:650}.improvement-desk{max-width:1080px;padding-bottom:60px}.improvement-desk h2{font-size:30px;line-height:1.3}.improvement-desk p,.improvement-desk li{color:var(--muted);line-height:1.8}.improvement-desk .info-box{margin-top:28px}.review-section{padding:30px 0;border-bottom:1px solid var(--line)}.review-section fieldset{border:1px solid var(--line);padding:20px;margin-top:22px}.review-section legend{padding:0 8px;font-weight:600}.review-section li{margin:10px 0}.review-actions{margin-top:18px}.improvement-desk input[type=file]{max-width:100%;background:white}.search-recovery{border-left:3px solid var(--teal);background:var(--mint);padding:18px 24px;margin-bottom:24px}.search-recovery p{margin:0 0 12px;font-size:14px}.search-recovery .text-button{margin-right:18px}.related-directories{border-top:1px solid var(--line);padding:28px 0 0;margin:30px 0}.related-directories h2{font-size:24px}.related-directories p,.related-directories li{font-size:14px;color:var(--muted);line-height:1.7}.related-directories li{margin:8px 0}.review-section [role=region]:focus{outline:2px solid var(--teal);outline-offset:3px}
@media(max-width:680px){.page-sharing{grid-template-columns:1fr}.share-actions{align-items:stretch}.review-banner .wrap{display:block}.review-banner a{display:block;margin-top:7px}.improvement-desk h2{font-size:26px}.review-actions .btn{flex:1 1 auto}.review-section fieldset{padding:15px}}
@media print{.page-sharing,.review-banner{display:none}}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}