/* aqmbd.com: the guides (/quality-control/) and the articles (/define/) in the look of the home page.
   Loaded after pages.css. The article markup keeps the class names of the earlier pages; this file
   gives them the new look: white sheets, 2 px ink rules, Archivo for headings, IBM Plex Mono for labels,
   the route colours for numbered steps. Palette: ink #0c1a26, red #d7191f / #b0141a, steel #4a5a68. */
.pg{--ink:#0c1a26;--steel:#4a5a68;--line:#c9d1d8;--sky:#e9ecee;--sky-soft:#f3f5f6;--sheet:#fff;--sand:#f6f1e7;--sand-line:#e3dac8;
  --sea:#0c1a26;--on-sea:#fff;--on-sea-dim:#b9c6d2;--red:#d7191f;--red-deep:#b0141a;--red-tint:#fbeaeb;
  --c1:#17708a;--c2:#2c7a54;--c3:#e0a526;--c4:#d7191f;--c5:#5c6975;--c6:#1c4f96;
  --display:'Archivo','Trebuchet MS',Verdana,sans-serif;--mono:'IBM Plex Mono',monospace;--top-h:0px}
.art *,.art *::before,.art *::after,.art-hero *{box-sizing:border-box}
.art img{max-width:100%;height:auto}

/* top of an article */
.art-hero{background:#fff;border-bottom:2px solid var(--ink)}
.art-hero .wrap{padding:30px 24px 30px}
.art-hero .kicker{margin:0 0 10px;color:var(--red-deep)}
.crumbs{margin:0 0 18px;font-family:var(--mono);font-size:13px;color:var(--steel)}
.crumbs a{color:var(--steel);text-decoration:none}.crumbs a:hover{color:var(--red-deep);text-decoration:underline}
.crumbs span[aria-hidden]{margin:0 2px}
.art-hero .ttl{max-width:26ch}
.art-hero .ttl span{color:var(--red-deep)}
.art-hero .lead{margin:16px 0 0;font-size:19px;line-height:1.45;max-width:66ch}
.art-hero .tags{margin:18px 0 0;display:flex;flex-wrap:wrap;gap:6px}
.art-hero .tags span{font-family:var(--mono);font-size:12px;letter-spacing:.04em;border:1px solid var(--ink);padding:3px 8px}

/* index pages */
.idx{max-width:900px}
.idx-intro{margin:0 0 6px;font-size:18px;max-width:66ch}
.idx-group{margin-top:34px}
.idx-group h2{margin:0;padding:0 0 8px;font-family:var(--mono);font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--steel);border-bottom:2px solid var(--ink);font-weight:600}
.idx-row{display:grid;grid-template-columns:minmax(0,1fr) auto 28px;gap:6px 18px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}
.idx-row:hover{background:var(--sky-soft)}
.idx-row:hover .idx-t{color:var(--red-deep)}
.idx-main{display:flex;flex-direction:column;gap:4px;min-width:0}
.idx-t{font-weight:800;font-size:19px;line-height:1.2}
.idx-b{font-size:15.5px;line-height:1.4;color:var(--steel)}
.idx-tag{font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;border:1px solid var(--line);padding:3px 7px;white-space:nowrap;color:var(--steel)}
.idx-go{font-family:var(--mono);font-size:20px;color:var(--steel);text-align:right}
.idx-row:hover .idx-go{color:var(--red-deep)}
.idx-more{margin-top:34px;padding:22px 24px;border:2px solid var(--ink);display:flex;flex-wrap:wrap;gap:10px 28px;align-items:center;justify-content:space-between}
.idx-more p{margin:0;font-size:16px}
.idx-more a.btn-red{white-space:nowrap}

/* article and side column */
.art{font-size:17px;line-height:1.55}
.content-section .wrap{padding-top:36px}
.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:clamp(28px,4vw,64px);align-items:start}
.article-body,.content,.art article.article-body{min-width:0}
.content,.art article.article-body{max-width:780px}
.art h2{margin:44px 0 12px;padding-top:16px;border-top:2px solid var(--ink);font-family:var(--display);font-weight:900;font-stretch:125%;text-transform:uppercase;font-size:clamp(20px,2.1vw,25px);line-height:1.1;letter-spacing:-.005em;color:var(--ink);scroll-margin-top:16px}
.art h2:first-child{margin-top:0}
.art h3{margin:28px 0 10px;font-weight:800;font-size:19px;line-height:1.25}
.art h4{margin:0 0 6px;font-weight:800;font-size:16.5px;line-height:1.3}
.art p{margin:0 0 14px}
.art p:last-child{margin-bottom:0}
.art a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--red);text-decoration-thickness:2px;text-underline-offset:3px;font-weight:600}
.art a:hover{color:var(--red-deep)}
.art ul,.art ol{margin:10px 0 22px;padding:0;list-style:none;display:grid;gap:8px}
.art ul>li{position:relative;padding-left:18px}
.art ul>li::before{content:"";position:absolute;left:0;top:.6em;width:7px;height:7px;background:var(--red)}
.art ol{counter-reset:step}
.art ol>li{position:relative;padding-left:34px;counter-increment:step}
.art ol>li::before{content:counter(step);position:absolute;left:0;top:.05em;width:24px;font-family:var(--mono);font-weight:600;font-size:15px;color:var(--red-deep);text-align:right}
.art li>ul,.art li>ol{margin:8px 0 0}
.art strong{font-weight:800}
.art .note{font-family:var(--mono);font-size:13px;color:var(--steel)}

.info-box,.highlight{margin:22px 0;padding:16px 20px;background:var(--sky-soft);border-left:4px solid var(--ink)}
.highlight{border-left-color:var(--red)}
.warning-box{background:var(--sand);border-left-color:var(--c3)}
.info-box p:last-child,.highlight p:last-child{margin-bottom:0}

/* tables */
.table-wrapper,.table-scroll{overflow-x:auto;margin:18px 0 24px;-webkit-overflow-scrolling:touch}
.art table{width:100%;border-collapse:collapse;border-top:2px solid var(--ink);font-size:15.5px;line-height:1.45;font-variant-numeric:tabular-nums}
.art th{padding:10px 12px;border-bottom:1px solid var(--ink);text-align:left;vertical-align:bottom;font-family:var(--mono);font-weight:600;font-size:12.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--steel);background:var(--sky-soft)}
.art td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.art tbody tr:hover{background:var(--sky-soft)}
.art td.code-letter{font-weight:900;font-size:17px;text-align:center}
.art .highlight-row,.art .highlight-row:hover{background:var(--red-tint)}
.table-scroll .aql-table:has(.code-letter){min-width:700px}

/* numbered steps: small containers in the colours of the route on the home page */
.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin:22px 0 26px}
.step-card{border-top:1px solid var(--line);padding-top:14px}
.step-num,.milestone-dot{display:inline-flex;align-items:center;justify-content:center;width:34px;height:30px;margin-bottom:10px;background:var(--tone,var(--sea));color:var(--tone-ink,#fff);border-block:3px solid rgba(0,0,0,.26);font-family:var(--mono);font-weight:600;font-size:15px;line-height:1}
.step-card:nth-child(6n+1),.milestone-item:nth-child(6n+1){--tone:var(--c1)}
.step-card:nth-child(6n+2),.milestone-item:nth-child(6n+2){--tone:var(--c2)}
.step-card:nth-child(6n+3),.milestone-item:nth-child(6n+3){--tone:var(--c3);--tone-ink:var(--ink)}
.step-card:nth-child(6n+4),.milestone-item:nth-child(6n+4){--tone:var(--c4)}
.step-card:nth-child(6n+5),.milestone-item:nth-child(6n+5){--tone:var(--c5)}
.step-card:nth-child(6n+6),.milestone-item:nth-child(6n+6){--tone:var(--c6)}
.step-card h4{margin-bottom:6px}
.step-card p{margin:0;font-size:15.5px;line-height:1.5;color:var(--steel)}
.milestone-tracker{position:relative;display:flex;align-items:flex-start;gap:12px;margin:26px 0;padding:18px;background:var(--sea);color:var(--on-sea)}
.milestone-item{flex:1;min-width:0;display:flex;flex-direction:column;align-items:flex-start}
.milestone-item .label{font-weight:700;font-size:15.5px;line-height:1.3}
.milestone-item .sub-label{margin-top:2px;font-size:14px;line-height:1.35;color:var(--on-sea-dim)}
@media (max-width:700px){.milestone-tracker{flex-wrap:wrap}.milestone-item{flex:1 1 40%}}

/* cards inside an article */
.industry-grid,.checklist-grid,.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;margin:22px 0 26px}
.industry-card,.checklist-card,.related-card{background:var(--sheet);border:1px solid var(--line);padding:20px}
.industry-card p,.related-card p{margin:0;font-size:15.5px;line-height:1.5;color:var(--steel)}
.aql-vals{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.aql-tag{font-family:var(--mono);font-size:12.5px;font-weight:600;line-height:1.2;padding:4px 8px;background:var(--sky)}
.aql-tag.critical{background:var(--red-tint);color:var(--red-deep)}
.aql-tag.major{background:var(--sand)}
.checklist-card h4{padding-bottom:8px;border-bottom:2px solid var(--ink)}
.checklist-card ul{display:grid;gap:7px;margin:10px 0 0;font-size:15.5px;line-height:1.45}
.checklist-card li{position:relative;padding-left:22px}
.checklist-card li::before{content:"";position:absolute;left:2px;top:.42em;width:10px;height:5px;background:none;border-left:2.5px solid var(--red);border-bottom:2.5px solid var(--red);transform:rotate(-45deg)}

/* questions */
.faq{border-bottom:1px solid var(--line)}
.art h2+.faq{border-top:0}
.faq summary{position:relative;padding:14px 40px 14px 0;font-weight:700;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);font-family:var(--mono);font-size:22px;line-height:1;color:var(--red-deep)}
.faq[open] summary::after{content:"\2212"}
.faq summary:hover{color:var(--red-deep)}
.faq .faq-a{padding:0 0 18px;color:var(--steel)}
.faq .faq-a p:last-child{margin-bottom:0}

/* the AQL calculator */
.calc-box{margin:24px 0;padding:clamp(20px,3vw,32px);background:var(--sky-soft);border:2px solid var(--ink)}
.calc-box h3{margin:0 0 18px;font-size:22px}
.calc-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 20px;margin-bottom:22px}
.calc-field label{display:block;margin-bottom:8px;font-weight:700;font-size:16px}
.calc-field select,.calc-field input{display:block;width:100%;font:inherit;font-size:17px;color:var(--ink);background:var(--sheet);border:2px solid var(--ink);padding:10px 12px}
.calc-field select:focus,.calc-field input:focus{outline:2px solid var(--red);outline-offset:1px}
.btn,.btn-cta,.cta-btn,.calc-btn{display:inline-block;background:var(--red);color:#fff;text-decoration:none;font-weight:800;font-size:16px;padding:12px 22px;border:0;font-family:inherit;cursor:pointer;line-height:1.2}
.btn:hover,.btn-cta:hover,.cta-btn:hover,.calc-btn:hover{background:var(--red-deep);color:#fff}
.calc-result{display:none;margin-top:24px;padding-top:20px;border-top:2px solid var(--ink)}
.calc-result.active{display:block}
.calc-result h4{margin-bottom:12px}
.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px}
.result-item{display:flex;flex-direction:column;gap:4px;padding:12px 14px;background:var(--sheet);border:1px solid var(--line)}
.result-item .num{font-family:var(--display);font-weight:900;font-size:30px;line-height:1;font-variant-numeric:tabular-nums}
.result-item .label{font-size:14.5px;line-height:1.3;color:var(--steel)}
.calc-result .note{margin-top:14px}

/* side column */
.sidebar{position:sticky;top:20px;display:grid;gap:16px}
.sidebar-card{border:2px solid var(--ink);padding:18px 20px}
.sidebar-card h3{margin:0 0 10px;font-family:var(--display);font-weight:900;font-stretch:125%;text-transform:uppercase;font-size:16px;line-height:1.1}
.sidebar-card ul{margin:0;display:block}
.sidebar-card li{padding:8px 0;border-bottom:1px solid var(--line);font-size:15.5px;line-height:1.4;color:var(--steel)}
.sidebar-card li::before{display:none}
.sidebar-card li:last-child{border-bottom:0;padding-bottom:0}
.sidebar-card li strong{display:block;color:var(--ink)}
.sidebar-card li a{text-decoration:none}
.sidebar-card li a:hover{text-decoration:underline}
.cta-card{background:var(--sea);border-color:var(--sea);color:var(--on-sea)}
.cta-card p{margin:0 0 16px;font-size:16px;color:var(--on-sea-dim)}

/* "related" strip under a guide */
.kb-related{background:var(--sky-soft);border-top:2px solid var(--ink);margin-top:48px}
.kb-related .wrap{padding-top:36px;padding-bottom:48px}
.kb-related h2{margin:0 0 18px;border-top:0;padding-top:0}
.kb-related .related-grid{margin-bottom:0}
.related-card{display:block;text-decoration:none;font-weight:400}
.related-card:hover{border-color:var(--ink)}
.related-card:hover h4{color:var(--red-deep)}

/* articles under /define/: call-out, related list */
.cta-box{background:var(--sea);color:var(--on-sea);padding:32px;margin:44px 0}
.cta-box h3{margin:0 0 10px;font-family:var(--display);font-weight:900;font-stretch:125%;text-transform:uppercase;font-size:22px;line-height:1.05;color:#fff}
.cta-box p{color:var(--on-sea-dim);margin:0 0 20px}
.cta-box a{color:#fff;text-decoration-color:#fff}
.cta-box a.cta-btn{text-decoration:none}
.related,.related-links{border-top:2px solid var(--ink);padding-top:16px;margin:44px 0 0}
.related h3,.related-links h3{margin:0 0 6px;font-family:var(--mono);font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--steel);font-weight:600}
.related a,.related-links li{display:block;padding:10px 0;border-bottom:1px solid var(--line);text-decoration:none;font-weight:600}
.related-links ul{display:block;margin:0}
.related-links li{padding-left:0}.related-links li::before{display:none}
.related-links a{text-decoration:none}
.related-links .desc{display:block;font-weight:400;font-size:14.5px;line-height:1.4;color:var(--steel);margin-top:2px}
.art .published{font-family:var(--mono);font-size:13px;color:var(--steel);margin:0 0 20px}

@media (max-width:900px){.content-grid{grid-template-columns:minmax(0,1fr)}.sidebar{position:static}}
@media (max-width:640px){
  .art-hero .wrap{padding:24px 16px}
  .content-section .wrap{padding-top:26px}
  .calc-form{grid-template-columns:minmax(0,1fr)}
  .idx-row{grid-template-columns:minmax(0,1fr) 20px}
  .idx-tag{display:none}
  .cta-box{padding:22px 18px}
}

/* block links (index rows, related cards) are not underlined like links in running text */
.art .idx-row,.art .idx-row *,.art .related-card,.art .related-card *{text-decoration:none}
.art .idx-row{font-weight:400}
.art .idx-t{font-weight:800}
.art .idx-go{font-weight:400}