:root{--ink:#101821;--muted:#5b6872;--line:#d7e0e4;--paper:#fbfcf9;--panel:#f2f7f5;--wash:#eaf3f7;--blue:#285b7a;--teal:#0d766c;--amber:#efb340;--coral:#c95847;--white:#fff;--shell:1120px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);font:17px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
img{max-width:100%;height:auto}
a{color:var(--blue);text-underline-offset:.18em}
a:hover{color:var(--teal)}
a:focus-visible,button:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
.skip-link{position:absolute;left:-999px;top:12px;z-index:20;background:var(--ink);color:#fff;padding:.6rem .9rem}
.skip-link:focus{left:12px}
.site-shell,.content-shell{width:min(var(--shell),calc(100% - 32px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:10;background:rgba(251,252,249,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-shell{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:74px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:900}
.brand-glyph{position:relative;display:grid;place-items:center;width:42px;height:42px;border:2px solid var(--ink);border-radius:8px;background:#fff}
.brand-glyph::before{content:"";width:10px;height:23px;border:3px solid var(--teal);border-radius:8px 8px 4px 4px}
.brand-glyph::after{content:"";position:absolute;bottom:8px;width:18px;height:18px;border-radius:50%;background:var(--amber);border:3px solid var(--ink)}
.brand-glyph span{position:absolute;bottom:14px;width:6px;height:12px;background:var(--coral);border-radius:999px;z-index:1}
.site-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.site-nav a{color:#263845;text-decoration:none;font-weight:800;font-size:.92rem;padding:.55rem .72rem;border-radius:6px}
.site-nav a:hover{background:#edf3f6}
.site-nav a[aria-current="page"]{background:#fff1c9;color:#573600}
.nav-toggle{display:none;min-height:44px;border:1px solid var(--line);background:#fff;border-radius:6px;padding:.48rem .75rem;font:inherit;font-weight:850;color:var(--ink)}
.article{padding:42px 0 70px}
.breadcrumbs{font-size:.92rem;color:var(--muted);margin-bottom:18px}
.breadcrumbs ol{display:flex;gap:8px;align-items:center;flex-wrap:wrap;list-style:none;margin:0;padding:0}
.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:#94a2aa}
.hero,.guide-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.88fr);gap:36px;align-items:center;margin-bottom:22px}
.hero-copy,.guide-hero>div{min-width:0}
.eyebrow{font-size:.78rem;text-transform:uppercase;font-weight:950;color:#8a5411;margin-bottom:.8rem}
h1,h2,h3{line-height:1.14;margin:1.65em 0 .55em;color:var(--ink)}
h1{font-size:3.75rem;max-width:12ch;margin-top:0}
h2{font-size:2.1rem}
h3{font-size:1.18rem}
p,li{max-width:76ch}
.lead{font-size:1.18rem;color:#334653;max-width:64ch}
.hero-media{margin:0;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;box-shadow:0 18px 48px rgba(16,24,33,.12)}
.hero-media img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}
.route-card-thumb,.guide-photo img,.panel-photo img,.simple-photo img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;background:#fff}
.route-card-thumb{border-radius:6px;margin:-6px 0 12px}
.guide-photo,.panel-photo,.simple-photo{margin:18px 0 0;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;box-shadow:0 12px 30px rgba(16,24,33,.08)}
.guide-photo figcaption,.panel-photo figcaption,.simple-photo figcaption{padding:0 12px 12px}
.guide-photo-full{margin-block:1.4rem 0}
.simple-photo{margin:22px 0 30px}
figcaption{font-size:.92rem;color:var(--muted);margin:.55rem 0 0}
.hero-media figcaption{padding:0 12px 12px}
.share-strip{display:flex;align-items:center;gap:8px;flex-wrap:wrap;border-block:1px solid var(--line);padding:12px 0;margin:16px 0 34px}
.share-strip span{font-size:.8rem;text-transform:uppercase;color:var(--muted);font-weight:950}
.share-strip a,.share-strip button{min-height:38px;border:1px solid var(--line);background:#fff;color:#263845;border-radius:999px;padding:.38rem .68rem;text-decoration:none;font:inherit;font-size:.88rem;font-weight:800;cursor:pointer}
.article>section:not(.hero):not(.guide-hero),.faq-block,.next-step-box{margin-block:3.8rem}
.home-route-grid,.signal-grid,.step-list,.tool-choice-grid,.next-grid,.quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;width:100%;margin:22px 0}
.route-card,.signal-card,.step-card,.quick-card,.product-card,.next-grid a{border:1px solid var(--line);border-radius:8px;background:#fff;padding:18px;min-width:0;box-shadow:0 8px 24px rgba(16,24,33,.05)}
.route-card span,.signal-card span,.step-card span,.study-kicker{display:inline-flex;width:max-content;max-width:100%;border-radius:999px;background:#fff1c9;color:#573600;padding:.28rem .58rem;font-size:.74rem;font-weight:950;text-transform:uppercase}
.route-card h3,.signal-card h3,.step-card h3,.product-card h3{margin-top:.4rem}
.route-card p,.signal-card p,.step-card p,.quick-card p,.product-card p{margin-bottom:0;color:#334653}
.route-link,.button,.next-grid a{display:inline-flex;align-items:center;justify-content:center;min-height:46px;width:max-content;max-width:100%;margin-top:.4rem;padding:.72rem .95rem;border-radius:6px;background:var(--ink);color:#fff;text-decoration:none;font-weight:900}
.route-link:hover,.button:hover,.next-grid a:hover{background:var(--teal);color:#fff}
.diagnostic-summary,.diagnostic-panel,.tool-fit,.source-box,.next-step-box,.home-intro,.embed-panel{border:1px solid var(--line);border-radius:8px;background:#fff;padding:20px}
.diagnostic-summary{box-shadow:0 12px 34px rgba(16,24,33,.08)}
.diagnostic-summary strong{display:block;font-size:1.22rem;line-height:1.2}
.diagnostic-summary p{margin-bottom:0}
.home-intro{background:var(--panel)}
.study-panel{border:1px solid #b7d7d0;background:#eef8f4;border-radius:8px;padding:24px}
.study-panel h2{margin-top:.4rem;max-width:24ch}
.diagnostic-chart{display:grid;gap:.75rem;margin-top:1rem}
.diagnostic-chart div{display:grid;gap:.25rem}
.diagnostic-chart span{font-weight:900}
.diagnostic-chart b{display:block;min-width:3.7rem;padding:.36rem .55rem;border-radius:6px;background:var(--teal);color:#fff;font-variant-numeric:tabular-nums}
.bar-56{width:56%}.bar-58{width:58%}.bar-62{width:62%}.bar-64{width:64%}.bar-66{width:66%}.bar-70{width:70%}.bar-74{width:74%}.bar-78{width:78%}.bar-82{width:82%}.bar-84{width:84%}.bar-86{width:86%}.bar-88{width:88%}.bar-90{width:90%}.bar-94{width:94%}
.proof-panel{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.7fr);gap:20px;align-items:start}
.source-box h3{margin-top:0}
.source-list{margin:.4rem 0 0;padding-left:1.25rem}
.source-list li{margin:.45rem 0}
.source-list a[target="_blank"]::after{content:" external";font-size:.82em}
.reader-note{font-size:.94rem;color:var(--muted)}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;margin:22px 0;background:#fff;font-size:.96rem}
th,td{border:1px solid var(--line);padding:.72rem;text-align:left;vertical-align:top}
th{background:#edf3f6}
.lite-local-embed{width:100%;max-width:100%;min-height:260px;display:grid;place-items:center;aspect-ratio:16/9;border:1px solid var(--line);border-radius:8px;background:var(--wash)}
.lite-embed-button{min-height:52px;padding:.75rem 1rem;border:2px solid var(--ink);border-radius:8px;background:var(--ink);color:#fff;font:inherit;font-weight:900;cursor:pointer}
.lite-embed-button:hover{background:var(--teal)}
.media-embed{display:block;width:100%;height:auto;aspect-ratio:16/9;border:0;background:#fff;border-radius:8px}
.faq-block details{border-top:1px solid var(--line);padding:13px 0}
.faq-block summary{font-weight:900;cursor:pointer}
.simple-page{max-width:820px}
.notice{border-left:5px solid var(--amber);background:#fff7df;padding:14px 16px;margin:20px 0}
.site-footer{background:#182733;color:#eef6f6}
.footer-grid{display:grid;grid-template-columns:1.2fr .9fr .8fr;gap:24px;padding:34px 0}
.site-footer a{display:block;color:#eef6f6;text-decoration:none;margin:.22rem 0}
.site-footer p{color:#cbd7dc;margin:.4rem 0 0}
@media (max-width:860px){
  body{font-size:16px}
  .nav-toggle{display:inline-flex}
  .site-nav{display:none;position:absolute;left:16px;right:16px;top:74px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 16px 38px rgba(16,24,33,.14)}
  .site-nav.is-open{display:grid}
  .hero,.guide-hero,.home-route-grid,.signal-grid,.step-list,.tool-choice-grid,.next-grid,.quick-grid,.proof-panel,.footer-grid{grid-template-columns:1fr}
  h1{font-size:2.45rem;max-width:14ch}
  h2{font-size:1.65rem}
}

.footer-pref-button{display:block;margin:.34rem 0 0;padding:0;border:0;background:transparent;color:#eef6f6;font:inherit;text-align:left;text-decoration:underline;text-underline-offset:.18em;cursor:pointer}
.footer-pref-button:hover{color:#fff}
.cookie-pref-button{min-height:44px;border:1px solid var(--ink);border-radius:6px;background:var(--ink);color:#fff;padding:.62rem .9rem;font:inherit;font-weight:900;cursor:pointer}
.cookie-pref-button:hover{background:var(--teal)}
.cookie-consent{position:fixed;z-index:40;left:16px;right:16px;bottom:16px;display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:960px;margin-inline:auto;padding:16px;border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:0 18px 54px rgba(16,24,33,.18)}
.cookie-consent p{margin:.25rem 0 0;color:var(--muted);font-size:.94rem}
.cookie-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.cookie-actions button{min-height:44px;border:1px solid var(--ink);border-radius:6px;background:#fff;color:var(--ink);padding:.62rem .82rem;font:inherit;font-weight:900;cursor:pointer}
.cookie-actions button:hover{background:var(--panel)}
.cookie-actions [data-cookie-choice="accept"]{background:var(--ink);color:#fff}
.cookie-actions [data-cookie-choice="accept"]:hover{background:var(--teal)}
@media (max-width:680px){
  .cookie-consent{display:grid}
  .cookie-actions{justify-content:stretch}
  .cookie-actions button{flex:1 1 150px}
}

.framework-upgrade {
  border: 1px solid var(--line, var(--color-border, #d9d3c7));
  border-radius: 8px;
  background: var(--panel, var(--color-surface, #fff));
  padding: clamp(18px, 3vw, 28px);
  margin-block: clamp(2.4rem, 5vw, 4.2rem);
}
.framework-upgrade-soft {
  background: #fff;
}
.framework-upgrade h2 {
  margin-top: .35rem;
}
.framework-upgrade-kicker {
  display: inline-flex;
  width: max-content;
  max-width: 100%;
  border-radius: 999px;
  background: #fff1c7;
  color: #5b3900;
  padding: .28rem .62rem;
  font-size: .76rem;
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.framework-upgrade-grid,
.framework-search-fit,
.framework-related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 18px 0 0;
}
.framework-upgrade-grid article,
.framework-search-fit article,
.framework-related-grid a {
  min-width: 0;
  border: 1px solid var(--line, var(--color-border, #d9d3c7));
  border-radius: 8px;
  background: #fff;
  padding: 15px;
  text-decoration: none;
}
.framework-upgrade-grid strong,
.framework-search-fit strong,
.framework-related-grid strong {
  display: block;
  color: var(--ink, var(--color-text, #1f2520));
}
.framework-upgrade-grid p,
.framework-search-fit p,
.framework-related-grid span,
.framework-upgrade-note {
  color: var(--muted, var(--color-muted, #5f665d));
}
.framework-question-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 20px;
  margin: 16px 0 0;
  padding-left: 1.2rem;
}
.framework-question-list li {
  max-width: none;
}
.framework-related-grid a:hover {
  border-color: var(--teal, var(--charge, var(--color-primary, #2d6a4f)));
  background: #f8fbf9;
}
@media (max-width: 820px) {
  .framework-upgrade-grid,
  .framework-search-fit,
  .framework-related-grid,
  .framework-question-list {
    grid-template-columns: 1fr;
  }
}

.longtail-page .reviewed-note {
  color: var(--muted, var(--color-muted, #5f665d));
  font-size: .95rem;
}
.longtail-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr);
  gap: clamp(18px, 4vw, 42px);
  align-items: start;
  margin-block: clamp(2rem, 5vw, 4rem);
}
.longtail-answer,
.longtail-panel {
  border: 1px solid var(--line, var(--color-border, #d9d3c7));
  border-radius: 8px;
  background: var(--panel, var(--color-surface, #fff));
  padding: clamp(18px, 3vw, 28px);
}
.longtail-answer strong,
.longtail-card-grid span {
  display: block;
  font-weight: 900;
}
.longtail-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin: 1.5rem 0;
}
.longtail-toc a {
  border: 1px solid var(--line, var(--color-border, #d9d3c7));
  border-radius: 999px;
  padding: .45rem .75rem;
  text-decoration: none;
}
.longtail-media {
  margin: clamp(1.5rem, 4vw, 3rem) 0;
}
.longtail-media img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
}
.longtail-media figcaption {
  color: var(--muted, var(--color-muted, #5f665d));
  margin-top: .55rem;
}
.longtail-panel {
  margin-block: clamp(1.75rem, 4vw, 3rem);
}
.longtail-card-grid,
.longtail-step-list,
.longtail-link-grid,
.longtail-split {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}
.longtail-step-list {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.longtail-split {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.longtail-card-grid article,
.longtail-step-list article,
.longtail-link-grid a,
.longtail-split > div {
  min-width: 0;
  border: 1px solid var(--line, var(--color-border, #d9d3c7));
  border-radius: 8px;
  background: #fff;
  padding: 15px;
}
.longtail-step-list span {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: var(--charge, var(--color-primary, #2d6a4f));
  color: #fff;
  font-weight: 900;
}
.longtail-link-grid a {
  color: inherit;
  text-decoration: none;
}
.longtail-link-grid strong,
.longtail-link-grid span {
  display: block;
}
.longtail-link-grid span,
.longtail-card-grid p,
.longtail-step-list p {
  color: var(--muted, var(--color-muted, #5f665d));
}
.longtail-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 20px;
}
.longtail-library {
  margin-block: clamp(2rem, 5vw, 4rem);
}
.longtail-library > p {
  max-width: var(--reading-width, var(--content-width, 1120px));
}
.longtail-library-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}
.longtail-library-group {
  min-width: 0;
  border: 1px solid var(--line, var(--color-border, #d9d3c7));
  border-radius: 8px;
  background: var(--panel, var(--color-surface, #fff));
  padding: clamp(16px, 2.5vw, 24px);
}
.longtail-library-group h3 {
  margin-top: 0;
}
.longtail-library-links {
  display: grid;
  gap: 10px;
}
.longtail-library-links a {
  display: block;
  border-top: 1px solid var(--line, var(--color-border, #d9d3c7));
  color: inherit;
  padding-top: 10px;
  text-decoration: none;
}
.longtail-library-links strong,
.longtail-library-links span {
  display: block;
}
.longtail-library-links span {
  color: var(--muted, var(--color-muted, #5f665d));
  font-size: .95rem;
}
@media (max-width: 900px) {
  .longtail-hero,
  .longtail-card-grid,
  .longtail-step-list,
  .longtail-link-grid,
  .longtail-split,
  .longtail-list,
  .longtail-library-grid {
    grid-template-columns: 1fr;
  }
}