/* v67 unified platform shell */
:root{--platform-ink:#102b27;--platform-accent:#127c72;--platform-accent-dark:#0b5e56;--platform-soft:#eef7f5;--platform-line:#d9e5e2;--platform-muted:#60726e;--platform-deep:#0c2622;--platform-shadow:0 18px 50px rgba(13,48,43,.10)}
html{scroll-padding-top:112px}.platform-v67{background:#fff;color:var(--platform-ink)}
.platform-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(18px);border-bottom:1px solid var(--platform-line);box-shadow:0 4px 22px rgba(13,48,43,.04)}
.platform-header .nav-shell{min-height:78px;display:flex;align-items:center;gap:26px}.platform-header .brand{flex:none;text-decoration:none;color:var(--platform-ink)}
.platform-header .brand-mark,.platform-footer .brand-mark{background:var(--platform-accent);color:#fff}.platform-header .brand small{color:var(--platform-muted)}
.platform-nav{display:flex;align-items:center;justify-content:center;gap:4px;flex:1}.platform-nav .nav-link{padding:11px 10px;border-radius:10px;font-size:13px;font-weight:750;color:#29413d;white-space:nowrap;text-decoration:none}
.platform-nav .nav-link:hover,.platform-nav .nav-link.active{background:var(--platform-soft);color:var(--platform-accent-dark)}.platform-nav .nav-workspace{background:var(--platform-deep);color:#fff}.platform-nav .nav-workspace:hover,.platform-nav .nav-workspace.active{background:var(--platform-accent);color:#fff}
.platform-nav .nav-group{position:relative;display:flex;align-items:center}.platform-nav .nav-chevron{width:25px;height:34px;border:0;background:transparent;color:#647873;cursor:pointer;border-radius:8px}
.platform-nav .nav-dropdown{position:absolute;left:0;top:calc(100% + 14px);width:330px;padding:10px;background:#fff;border:1px solid var(--platform-line);border-radius:16px;box-shadow:var(--platform-shadow);display:grid;gap:3px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:.18s}.platform-nav .nav-dropdown-wide{width:390px}
.platform-nav .nav-group:hover .nav-dropdown,.platform-nav .nav-group.is-open .nav-dropdown{opacity:1;visibility:visible;transform:none}.platform-nav .nav-dropdown a{display:block;padding:12px 13px;border-radius:10px;text-decoration:none}.platform-nav .nav-dropdown a:hover{background:var(--platform-soft)}.platform-nav .nav-dropdown strong,.platform-nav .nav-dropdown span{display:block}.platform-nav .nav-dropdown strong{font-size:13px;color:var(--platform-ink)}.platform-nav .nav-dropdown span{margin-top:3px;font-size:11px;color:var(--platform-muted);line-height:1.35}
.platform-header .header-actions{display:flex;align-items:center;gap:8px;flex:none}.platform-header .header-search{border:1px solid var(--platform-line);background:#fff;border-radius:10px;padding:9px 11px;color:#36504b}.platform-header .header-search span{font-size:12px}.platform-header .mobile-nav-toggle{display:none}
.platform-header .mobile-nav-panel{display:none}.platform-footer{background:var(--platform-deep)}
.platform-v67 main{min-height:45vh}.platform-v67 main>section:first-child:not(.home-hero){border-top:0}
.platform-v67 .wrap{width:min(1180px,calc(100% - 40px))}.platform-v67 .btn,.platform-v67 .button,.platform-v67 button.primary{border-radius:11px}
.platform-v67 h1,.platform-v67 h2,.platform-v67 h3{text-wrap:balance}.platform-v67 p{text-wrap:pretty}
.platform-v67 .card,.platform-v67 .tool-card,.platform-v67 .domain-card,.platform-v67 .path-card{border-color:var(--platform-line)}
.platform-v67 .page-context{top:78px}
.platform-search-overlay{position:fixed;inset:0;z-index:1200;background:rgba(6,25,22,.72);display:none;padding:10vh 20px}.platform-search-overlay.is-open{display:block}.platform-search-box{width:min(760px,100%);margin:auto;background:#fff;border-radius:20px;padding:24px;box-shadow:0 35px 100px rgba(0,0,0,.3)}.platform-search-head{display:flex;justify-content:space-between;align-items:center;gap:20px}.platform-search-head h2{margin:0;font-size:25px}.platform-search-close{border:0;background:#edf4f2;width:38px;height:38px;border-radius:50%;font-size:22px;cursor:pointer}.platform-search-box input{width:100%;margin-top:18px;padding:15px 16px;border:1px solid var(--platform-line);border-radius:12px;font:inherit}.platform-search-results{display:grid;gap:8px;margin-top:12px;max-height:50vh;overflow:auto}.platform-search-results a{padding:13px;border-radius:10px;background:#f5f9f8;text-decoration:none;color:var(--platform-ink)}.platform-search-results strong,.platform-search-results span{display:block}.platform-search-results span{font-size:12px;color:var(--platform-muted);margin-top:3px}
@media(max-width:1080px){.platform-nav{display:none}.platform-header .header-search span{display:none}.platform-header .mobile-nav-toggle{display:flex}.platform-header .mobile-nav-panel{display:block;max-height:0;overflow:hidden;background:#fff;border-top:1px solid transparent;transition:max-height .25s}.platform-header .mobile-nav-panel.is-open{max-height:520px;border-top-color:var(--platform-line)}.platform-header .mobile-nav-inner{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding-top:16px;padding-bottom:18px}.platform-header .mobile-nav-inner a{padding:13px;border-radius:11px;background:#f4f8f7;text-decoration:none}.platform-header .mobile-nav-inner strong,.platform-header .mobile-nav-inner span{display:block}.platform-header .mobile-nav-inner strong{color:var(--platform-ink);font-size:13px}.platform-header .mobile-nav-inner span{color:var(--platform-muted);font-size:11px;margin-top:3px}.platform-v67 .page-context{top:78px}}
@media(max-width:620px){.platform-header .nav-shell{min-height:68px}.platform-header .brand small{display:none}.platform-header .mobile-nav-inner{grid-template-columns:1fr}.platform-header .header-search{display:none}.platform-v67 .wrap{width:min(100% - 28px,1180px)}.platform-v67 .page-context{top:68px}}


/* v80 unified responsive navigation */
.platform-header .nav-shell{min-height:78px;gap:18px;max-width:1440px}
.platform-header .brand{min-width:205px}
.platform-nav{gap:2px;min-width:0}
.platform-nav .nav-link{padding:10px 8px;font-size:12.5px}
.platform-nav .nav-group{min-width:0}
.platform-nav .nav-chevron{width:21px;height:32px;padding:0}
.platform-header .header-actions{flex:none}
.platform-header .header-search{padding:10px 11px}
@media(max-width:1260px){
 .platform-header .brand{min-width:auto}.platform-header .brand small{display:none}
 .platform-nav .nav-link{padding:9px 7px;font-size:12px}
 .platform-header .header-search span{display:none}
}
@media(max-width:1120px){
 .platform-nav{display:none}
 .platform-header .mobile-nav-toggle{display:flex}
 .platform-header .mobile-nav-panel{display:block;max-height:0;overflow:hidden;background:#fff;border-top:1px solid transparent;transition:max-height .25s}
 .platform-header .mobile-nav-panel.is-open{max-height:min(78vh,720px);overflow-y:auto;border-top-color:var(--platform-line)}
 .platform-header .mobile-nav-inner{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;padding-top:16px;padding-bottom:18px}
 .platform-header .mobile-nav-inner a{padding:13px;border-radius:11px;background:#f4f8f7;text-decoration:none;min-width:0}
 .platform-header .mobile-nav-inner strong,.platform-header .mobile-nav-inner span{display:block}
 .platform-header .mobile-nav-inner strong{color:var(--platform-ink);font-size:13px}
 .platform-header .mobile-nav-inner span{color:var(--platform-muted);font-size:11px;margin-top:3px;line-height:1.35}
}
@media(max-width:800px){.platform-header .mobile-nav-inner{grid-template-columns:1fr 1fr}}
@media(max-width:620px){
 .platform-header .nav-shell{min-height:68px;gap:12px}
 .platform-header .brand small{display:none}
 .platform-header .brand-mark{width:36px;height:36px}
 .platform-header .header-search{display:none}
 .platform-header .mobile-nav-inner{grid-template-columns:1fr}
}

/* v82 intelligent search and discovery */
.platform-search-overlay{padding:5vh 18px;overflow:auto}.platform-search-box{width:min(920px,100%);padding:26px}.platform-search-kicker{display:block;color:var(--platform-accent);font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:5px}.platform-search-input-wrap{display:flex;align-items:center;gap:10px;margin-top:18px;padding:0 14px;border:1px solid var(--platform-line);border-radius:13px;background:#fff}.platform-search-input-wrap input{border:0;margin:0;padding:15px 0;outline:0;flex:1;min-width:0}.platform-search-input-wrap kbd{font:700 10px/1 system-ui;padding:6px 7px;border:1px solid var(--platform-line);border-radius:6px;background:#f4f8f7;color:var(--platform-muted)}.platform-search-filters{display:flex;flex-wrap:wrap;gap:7px;margin:14px 0 8px}.platform-search-filters button{border:1px solid var(--platform-line);background:#fff;color:#405b56;border-radius:999px;padding:7px 10px;font:700 11px/1 system-ui;cursor:pointer}.platform-search-filters button.is-active{background:var(--platform-deep);border-color:var(--platform-deep);color:#fff}.platform-search-meta{font-size:11px;color:var(--platform-muted);padding:5px 2px}.platform-search-results{grid-template-columns:1fr 1fr;max-height:56vh}.platform-search-results a{border:1px solid transparent}.platform-search-results a:hover{border-color:#b9d8d2;background:#eef8f6}.platform-result-category{font-size:10px!important;font-weight:800;color:var(--platform-accent)!important;text-transform:uppercase;letter-spacing:.08em}.platform-search-results strong{margin-top:5px}.platform-search-empty{grid-column:1/-1;padding:30px;text-align:center;background:#f5f9f8;border-radius:12px}.platform-search-empty span{display:block;color:var(--platform-muted);margin-top:5px}.platform-related{padding:62px 0;background:linear-gradient(180deg,#f6faf9,#edf6f4);border-top:1px solid var(--platform-line)}.platform-related-head span{font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--platform-accent)}.platform-related-head h2{margin:6px 0 22px}.platform-related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.platform-related-grid a{display:flex;flex-direction:column;min-height:190px;padding:20px;border:1px solid var(--platform-line);border-radius:16px;background:#fff;text-decoration:none;box-shadow:0 8px 28px rgba(13,48,43,.05)}.platform-related-grid small{color:var(--platform-accent);font-weight:800;text-transform:uppercase;letter-spacing:.08em}.platform-related-grid strong{font-size:18px;color:var(--platform-ink);margin-top:9px}.platform-related-grid span{font-size:13px;line-height:1.55;color:var(--platform-muted);margin-top:8px}.platform-related-grid b{margin-top:auto;padding-top:16px;color:var(--platform-accent-dark);font-size:12px}
@media(max-width:760px){.platform-search-results{grid-template-columns:1fr}.platform-search-input-wrap kbd{display:none}.platform-related-grid{grid-template-columns:1fr}.platform-related{padding:44px 0}}