.platform-main{padding-bottom:100px}.platform-intro{max-width:780px;padding:64px 0 46px}.platform-intro h1{margin-top:12px;font:400 clamp(42px,5.6vw,72px)/1.07 Georgia,serif;letter-spacing:-2.8px}.platform-lede{max-width:650px;margin-top:22px;font-size:clamp(17px,1.7vw,21px);line-height:1.55}.back-link{display:inline-block;margin-bottom:27px;color:var(--accent);font-size:13px}.back-link:hover{text-decoration:underline;text-underline-offset:4px}.platform-subnav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:55px}.platform-subnav a{border:1px solid var(--line);border-radius:100px;padding:8px 15px;font-size:12px;background:var(--surface)}.platform-subnav a:hover,.platform-subnav a:focus-visible{background:var(--soft);color:var(--accent)}.platform-section{margin-top:80px;scroll-margin-top:24px}.platform-section:first-of-type{margin-top:0}.section-top{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:23px;border-bottom:1px solid var(--line);padding-bottom:19px}.section-top h2{font-size:clamp(29px,3vw,40px)}.section-top p{max-width:420px;font-size:14px}.section-top a{flex:none;color:var(--accent);font-size:13px}.section-top a:hover{text-decoration:underline;text-underline-offset:4px}.content-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.content-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.content-card{display:flex;flex-direction:column;min-height:224px;border:1px solid var(--line);background:var(--surface);border-radius:7px;padding:23px 24px 19px;transition:border-color .2s,transform .2s,box-shadow .2s}.content-card:hover,.content-card:focus-visible{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 8px 24px color-mix(in srgb,var(--text) 7%,transparent)}.card-top{display:flex;justify-content:space-between;gap:10px}.card-top .eyebrow{font-size:10px}.card-index{color:var(--muted);font-size:11px}.content-card h3{margin-top:26px;font-size:23px}.content-card p{margin-top:8px;font-size:14px;line-height:1.5}.card-bottom{display:flex;justify-content:space-between;gap:12px;margin-top:auto;padding-top:25px;color:var(--accent);font-size:12px}.card-bottom span:last-child{font-size:18px;line-height:1}.feature-band{display:grid;grid-template-columns:1.2fr .8fr;gap:35px;padding:37px;border:1px solid var(--line);border-radius:7px;background:var(--soft)}.feature-band h2{margin:12px 0 13px;font-size:clamp(29px,3vw,39px)}.feature-band p{max-width:650px}.feature-band .button{display:inline-flex;margin-top:24px}.feature-aside{border-left:1px solid var(--line);padding-left:30px}.feature-aside strong{display:block;margin:4px 0 9px;font:400 34px/1.1 Georgia,serif}.feature-aside p{font-size:14px}.resource-filters,.search-controls{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 23px}.resource-filters input,.resource-filters select,.search-controls input,.search-controls select{min-height:44px;border:1px solid var(--line);border-radius:4px;background:var(--surface);color:var(--text);padding:9px 12px;font:inherit;font-size:13px}.resource-filters input,.search-controls input{flex:2 1 240px}.resource-filters select,.search-controls select{flex:1 1 155px}.resource-filters label,.search-controls label{display:flex;flex:1 1 160px;flex-direction:column;gap:4px;color:var(--muted);font-size:11px}.resource-list{display:grid;gap:9px}.resource-row{display:grid;grid-template-columns:1fr auto;align-items:center;gap:12px 25px;border:1px solid var(--line);background:var(--surface);padding:20px 22px;border-radius:5px}.resource-row h3{font-size:18px}.resource-row p{margin-top:5px;font-size:13px}.resource-row small{display:block;margin-top:8px;color:var(--accent);font-size:11px}.resource-row>a{color:var(--accent);white-space:nowrap;font-size:13px}.resource-row>a:hover{text-decoration:underline}.no-results{padding:25px;border:1px dashed var(--line);font-size:14px}.detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 265px;gap:55px;align-items:start}.prose-block{padding:27px 0;border-top:1px solid var(--line)}.prose-block:first-child{border-top:0;padding-top:0}.prose-block h2{margin-bottom:11px;font-size:29px}.prose-block h3{margin-bottom:8px;font-size:20px}.prose-block p,.prose-block li{font-size:16px;line-height:1.7}.prose-block p+p{margin-top:13px}.prose-block ul,.prose-block ol{margin:11px 0 0;padding-left:21px}.prose-block li+li{margin-top:8px}.detail-aside{position:sticky;top:25px;border:1px solid var(--line);background:var(--surface);padding:21px;border-radius:5px}.detail-aside .eyebrow{margin-bottom:12px}.detail-aside p{font-size:13px;line-height:1.55}.detail-aside a{display:block;margin-top:15px;color:var(--accent);font-size:13px}.detail-aside a:hover{text-decoration:underline}.fact-line{display:flex;flex-wrap:wrap;gap:8px;margin:-12px 0 37px}.fact-line span{padding:5px 10px;background:var(--soft);border:1px solid var(--line);border-radius:3px;color:var(--muted);font-size:11px}.notice{border-left:2px solid var(--accent);background:var(--soft);padding:17px 20px;margin:16px 0 30px;font-size:14px}.notice strong{color:var(--text)}.notice p{margin-top:4px}.roadmap-list{display:grid;gap:10px}.roadmap-item{display:grid;grid-template-columns:145px 1fr 115px;gap:18px;align-items:center;padding:17px 20px;border:1px solid var(--line);background:var(--surface)}.roadmap-item .status{color:var(--accent);font-size:11px;text-transform:uppercase;letter-spacing:1px}.roadmap-item strong{font-size:16px;font-weight:400}.roadmap-item small{color:var(--muted);font-size:11px;text-align:right}.progress-track{grid-column:2 / -1;height:4px;background:var(--soft);border-radius:5px;overflow:hidden}.progress-track i{display:block;height:100%;background:var(--teal)}.lifecycle{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:22px}.lifecycle button{text-align:left;border:1px solid var(--line);border-radius:4px;background:var(--surface);padding:17px 15px}.lifecycle button[aria-pressed=true]{border-color:var(--accent);background:var(--soft)}.lifecycle button:hover{border-color:var(--accent)}.lifecycle button span{display:block;color:var(--accent);font-size:10px}.lifecycle button strong{display:block;margin-top:5px;font-size:16px;font-weight:400}.stage-panel{margin-top:14px;border:1px solid var(--line);background:var(--surface);padding:30px}.stage-panel h2{margin-bottom:10px}.stage-panel ul{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:22px 0 0}.stage-panel li{background:var(--soft);padding:5px 10px;font-size:12px}.stage-panel a{display:inline-block;margin-top:25px;color:var(--accent);font-size:13px}.stage-panel[hidden]{display:none}.quiz-form fieldset{margin:0 0 23px;border:1px solid var(--line);background:var(--surface);padding:22px}.quiz-form legend{padding:0 8px;font-size:16px;color:var(--text)}.quiz-form label{display:block;padding:8px 0;font-size:14px;cursor:pointer}.quiz-form input{accent-color:var(--accent);margin-right:8px}.quiz-feedback{margin-top:14px;border-top:1px solid var(--line);padding-top:13px;font-size:13px}.quiz-feedback strong{color:var(--accent)}.quiz-feedback p{margin-top:5px}.quiz-score{margin:18px 0;font:400 24px Georgia,serif}.template-field{display:grid;grid-template-columns:180px 1fr;gap:15px;border-top:1px solid var(--line);padding:15px 0}.template-field strong{font-size:14px;font-weight:400}.template-field p{font-size:13px}.action-row{display:flex;gap:15px;align-items:center;flex-wrap:wrap;margin-top:27px}.action-row button,.action-row a{display:inline-flex;align-items:center;justify-content:center;min-height:42px;border:1px solid var(--accent);border-radius:4px;background:var(--accent);color:var(--bg);padding:9px 16px;font-size:13px}.action-row button:hover,.action-row a:hover{filter:brightness(1.13)}.action-row .secondary{background:transparent;color:var(--accent)}.answer-reveal{margin-top:30px}.answer-reveal summary{padding:18px 0;color:var(--accent);font-size:15px}.answer-reveal[open]{border-bottom:1px solid var(--line)}.answer-reveal .answer-content{padding-bottom:20px}.answer-content article{padding:17px 0;border-top:1px solid var(--line)}.answer-content h3{font-size:19px}.answer-content p{margin-top:6px;font-size:14px}.work-notes,.copy-source{display:block;width:100%;margin-top:10px;border:1px solid var(--line);border-radius:4px;background:var(--surface);color:var(--text);padding:15px;font:14px/1.55 Atkinson,Arial,sans-serif;resize:vertical}.work-notes:focus-visible,.copy-source:focus-visible{outline:3px solid var(--teal);outline-offset:3px}.copy-source{min-height:170px;margin-top:25px}.save-status,[data-copy-status]{color:var(--accent);font-size:12px}.search-count{margin:0 0 17px;font-size:13px}.platform-footer{border-top:1px solid var(--line)}@media(max-width:950px){.content-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-band{grid-template-columns:1fr;gap:20px}.feature-aside{border-left:0;border-top:1px solid var(--line);padding:20px 0 0}.detail-grid{grid-template-columns:minmax(0,1fr) 215px;gap:30px}}@media(max-width:760px){.platform-main{padding-bottom:65px}.platform-intro{padding:43px 0 34px}.platform-intro h1{letter-spacing:-1.8px}.platform-subnav{margin-bottom:34px}.platform-section{margin-top:65px}.section-top{display:block}.section-top p,.section-top a{display:block;margin-top:10px}.content-grid,.content-grid.two{grid-template-columns:1fr}.content-card{min-height:190px}.detail-grid{grid-template-columns:1fr}.detail-aside{position:static}.lifecycle{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-band{padding:25px}.roadmap-item{grid-template-columns:1fr auto;gap:5px 15px}.roadmap-item .status{grid-column:1 / -1}.progress-track{grid-column:1 / -1;margin-top:8px}.template-field{grid-template-columns:1fr;gap:3px}}@media(max-width:450px){.resource-row{grid-template-columns:1fr}.lifecycle button{padding:12px}}@media(prefers-reduced-motion:reduce){.content-card{transition:none}}