/* SSR blog shell — mirrors PublicLightLayout + blog-light.css + FooterLight.
   Source of truth: frontend HeaderLight / BlogsPageLight / BlogArticlePage / home-light.css.
   Keep class names in sync when those change. */
:root{
  --hl-blue:#0b67fa;--hl-blue-d:#0850c9;--hl-blue-soft:#eef4ff;--hl-blue-line:#d3e2ff;
  --hl-ink:#0d1117;--hl-body:#4b5563;--hl-muted:#6b7280;--hl-line:#e6e9ef;--hl-line-2:#d7dce5;
  --hl-soft:#f7f9fc;--hl-ease:cubic-bezier(.32,.72,0,1);
  --hl-sh:0 1px 2px rgba(16,24,40,.04);--hl-sh-m:0 14px 34px -20px rgba(16,24,40,.22)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Plus Jakarta Sans',system-ui,sans-serif;background:#fff;color:var(--hl-ink);-webkit-font-smoothing:antialiased}
.hl-root{position:relative;min-height:100dvh;width:100%;max-width:100%;overflow-x:clip;background:#fff;color:var(--hl-ink)}
.hl-container{width:100%;max-width:1440px;margin:0 auto;padding:0 20px;min-width:0}
@media(min-width:768px){.hl-container{padding:0 32px}}

/* ---------- header ---------- */
.hl-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .3s var(--hl-ease),box-shadow .3s var(--hl-ease)}
.hl-header.stuck{border-bottom-color:var(--hl-line);box-shadow:0 6px 24px -20px rgba(16,24,40,.5)}
.hl-header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.hl-logo{display:flex;align-items:center;text-decoration:none;flex-shrink:0}
.hl-logo img{height:30px;width:auto;display:block}
.hl-nav{display:none}
.hl-actions{display:none;align-items:center;gap:10px}
@media(min-width:1000px){
  .hl-nav{display:flex;align-items:center;gap:2px}
  .hl-actions{display:flex}
}
.hl-nav > a,.hl-nav-drop-btn{
  appearance:none;font-family:inherit;font-size:14px;font-weight:600;line-height:1.2;letter-spacing:normal;
  color:var(--hl-body);text-decoration:none;padding:9px 14px;border-radius:10px;
  transition:color .2s var(--hl-ease),background .2s var(--hl-ease)
}
.hl-nav > a:hover,.hl-nav-drop:hover .hl-nav-drop-btn,.hl-nav-drop:focus-within .hl-nav-drop-btn{color:var(--hl-ink);background:var(--hl-soft)}
.hl-nav > a.active,.hl-nav-drop-btn.active{color:var(--hl-blue)}
.hl-nav-drop{position:relative}
.hl-nav-drop-btn{display:inline-flex;align-items:center;gap:4px;border:0;background:transparent;cursor:pointer}
.hl-nav-chevron{display:block;flex-shrink:0;transition:transform .25s var(--hl-ease)}
.hl-nav-drop:hover .hl-nav-chevron,.hl-nav-drop:focus-within .hl-nav-chevron{transform:rotate(180deg)}
.hl-nav-drop-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(6px);min-width:188px;padding:6px;background:#fff;border:1px solid var(--hl-line);border-radius:14px;box-shadow:var(--hl-sh-m);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s var(--hl-ease),transform .2s var(--hl-ease),visibility .2s var(--hl-ease);z-index:50}
.hl-nav-drop-menu::before{content:"";position:absolute;left:0;right:0;bottom:100%;height:10px}
.hl-nav-drop:hover .hl-nav-drop-menu,.hl-nav-drop:focus-within .hl-nav-drop-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.hl-nav-drop-menu a{display:block;padding:10px 12px;border-radius:10px;font-size:13.5px;font-weight:650;color:var(--hl-body);text-decoration:none;white-space:nowrap;transition:color .2s var(--hl-ease),background .2s var(--hl-ease)}
.hl-nav-drop-menu a:hover{color:var(--hl-ink);background:var(--hl-soft)}
.hl-burger{appearance:none;display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;padding:0;border-radius:12px;border:1px solid var(--hl-line);background:#fff;color:var(--hl-ink);cursor:pointer}
@media(min-width:1000px){.hl-burger{display:none}}
.hl-burger-lines{position:relative;display:block;width:17px;height:12px}
.hl-burger-lines span{position:absolute;left:0;width:17px;height:1.8px;border-radius:2px;background:currentColor;transition:transform .4s var(--hl-ease),opacity .25s var(--hl-ease),top .4s var(--hl-ease)}
.hl-burger-lines span:nth-child(1){top:0}
.hl-burger-lines span:nth-child(2){top:5px}
.hl-burger-lines span:nth-child(3){top:10px}
.hl-burger.on .hl-burger-lines span:nth-child(1){top:5px;transform:rotate(45deg)}
.hl-burger.on .hl-burger-lines span:nth-child(2){opacity:0}
.hl-burger.on .hl-burger-lines span:nth-child(3){top:5px;transform:rotate(-45deg)}
.hl-mobile{position:fixed;inset:72px 0 0;background:#fff;z-index:39;padding:18px 20px 40px;overflow-y:auto;opacity:0;pointer-events:none;transform:translateY(-8px);transition:opacity .3s var(--hl-ease),transform .3s var(--hl-ease)}
.hl-mobile.on{opacity:1;pointer-events:auto;transform:none}
@media(min-width:1000px){.hl-mobile{display:none}}
.hl-mobile a.hl-mobile-link,.hl-mobile-drop-btn{appearance:none;display:flex;align-items:center;justify-content:space-between;width:100%;padding:15px 4px;font-family:inherit;font-size:17px;font-weight:700;line-height:1.2;letter-spacing:normal;color:var(--hl-ink);text-decoration:none;text-align:left;background:none;border:0;border-bottom:1px solid var(--hl-line);cursor:pointer}
.hl-mobile-drop-btn.on .hl-nav-chevron{transform:rotate(180deg)}
.hl-mobile-sub{padding:4px 0 8px 12px}
.hl-mobile a.hl-mobile-sublink{font-size:15px;font-weight:650;color:var(--hl-body);border-bottom-color:transparent;padding:11px 4px}
.hl-mobile-cta{display:flex;flex-direction:column;gap:10px;margin-top:22px}
.hl-mobile-cta .hl-btn{width:100%}

/* ---------- buttons / type ---------- */
.hl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:11px 20px;border-radius:999px;border:1px solid transparent;font-family:inherit;font-size:14.5px;font-weight:700;text-decoration:none;cursor:pointer;white-space:nowrap;transition:transform .25s var(--hl-ease),background .25s var(--hl-ease),box-shadow .25s var(--hl-ease),border-color .25s var(--hl-ease),color .25s var(--hl-ease)}
.hl-btn:active{transform:scale(.98)}
.hl-btn-primary{background:var(--hl-blue);color:#fff;box-shadow:0 12px 26px -14px rgba(11,103,250,.75)}
.hl-btn-primary:hover{background:var(--hl-blue-d);box-shadow:0 16px 32px -14px rgba(11,103,250,.85);transform:translateY(-1px)}
.hl-btn-ghost{background:#fff;color:var(--hl-ink);border-color:var(--hl-line-2)}
.hl-btn-ghost:hover{background:var(--hl-soft);border-color:var(--hl-blue-line);color:var(--hl-blue);transform:translateY(-1px)}
.hl-btn-lg{min-height:54px;padding:15px 28px;font-size:16px}
.hl-section{padding:72px 0}
@media(min-width:768px){.hl-section{padding:54px 0}}
.hl-h1{font-size:clamp(34px,5.6vw,60px);font-weight:800;line-height:1.06;letter-spacing:-.025em;color:var(--hl-ink)}
.hl-h2{font-size:clamp(27px,3.9vw,44px);font-weight:800;line-height:1.14;letter-spacing:-.022em;color:var(--hl-ink)}
.hl-lead{font-size:clamp(15.5px,1.6vw,18px);line-height:1.68;color:var(--hl-body)}
.hl-blue-text{color:var(--hl-blue)}
.hl-center{text-align:center;margin-left:auto;margin-right:auto}
.hl-eyebrow{display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--hl-blue)}
.hl-head{max-width:720px}
.seo-crumbs{display:flex;flex-wrap:wrap;gap:6px 8px;justify-content:center;margin:0 0 8px;font-size:13px;font-weight:650;color:var(--hl-muted)}
.seo-crumbs a{color:var(--hl-body);text-decoration:none}
.seo-crumbs a:hover{color:var(--hl-blue)}
.seo-crumbs span[aria-hidden="true"]{color:var(--hl-line-2)}

/* ---------- hub ---------- */
.hl-blog-search{display:flex;gap:10px;max-width:640px;margin:28px auto 0}
.hl-blog-search input{flex:1;height:46px;padding:0 14px;border:1px solid var(--hl-line);border-radius:12px;font:inherit}
.hl-blog-search button{border:0;border-radius:12px;padding:0 16px;background:var(--hl-blue);color:#fff;font:inherit;font-weight:750;cursor:pointer}
.hl-blog-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:18px}
.hl-blog-chips a,.hl-blog-chips button{border:1px solid var(--hl-line);border-radius:999px;padding:7px 12px;background:#fff;color:var(--hl-body);font:inherit;font-size:13px;font-weight:700;text-decoration:none;cursor:pointer}
.hl-blog-chips .on,.hl-blog-chips a.on{background:var(--hl-blue-soft);border-color:var(--hl-blue-line);color:var(--hl-blue)}
.hl-blog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:stretch}
.hl-blog-card{display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--hl-line);border-radius:20px;background:#fff;text-decoration:none;color:inherit;box-shadow:var(--hl-sh);transition:transform .2s var(--hl-ease),box-shadow .2s var(--hl-ease),border-color .2s var(--hl-ease)}
.hl-blog-card:hover{transform:translateY(-3px);border-color:var(--hl-blue-line);box-shadow:var(--hl-sh-m)}
.hl-blog-media{flex:none;width:100%;overflow:hidden;line-height:0;background:linear-gradient(160deg,#eef4ff,#f6f1ff 55%,#fff6ec)}
.hl-blog-media img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;object-position:center top}
.hl-blog-media.empty{aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;line-height:normal}
.hl-blog-media.empty span{width:52px;height:52px;display:grid;place-items:center;border-radius:16px;background:#fff;color:var(--hl-blue);font-size:20px;font-weight:800}
.hl-blog-card-body{display:flex;flex-direction:column;flex:1;padding:16px 18px 18px}
.hl-blog-card h2{margin:0;font-size:17px;line-height:1.35;letter-spacing:-.02em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hl-blog-card p{margin:10px 0 0;color:var(--hl-body);font-size:13.5px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.hl-blog-card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.hl-blog-card-tags span{padding:4px 8px;border-radius:999px;background:var(--hl-blue-soft);font-size:10.5px;font-weight:750;color:var(--hl-blue)}
.hl-blog-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:14px}
.hl-blog-card small{color:var(--hl-muted);font-size:12px;font-weight:650}
.hl-blog-cta{display:inline-flex;align-items:center;gap:6px;color:var(--hl-blue);font-size:13px;font-weight:750;white-space:nowrap}
.hl-blog-pager{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin:36px 0 8px}
.hl-blog-pager-link{appearance:none;display:inline-flex;align-items:center;justify-content:center;min-width:40px;min-height:40px;padding:0 12px;border:1px solid var(--hl-line);border-radius:10px;background:#fff;color:var(--hl-body);font:inherit;font-size:14px;font-weight:700;text-decoration:none;cursor:pointer}
.hl-blog-pager-link:hover{border-color:var(--hl-blue-line);color:var(--hl-blue)}
.hl-blog-pager-link.is-current{background:var(--hl-blue-soft);border-color:var(--hl-blue-line);color:var(--hl-blue);cursor:default}
.hl-blog-pager-link.is-disabled{opacity:.45;cursor:default;pointer-events:none}
.hl-blog-pager-gap{color:var(--hl-muted);padding:0 4px;font-weight:700}
.hl-404{max-width:560px;margin:0 auto;padding:52px 30px;text-align:center;border:1px dashed var(--hl-line-2);border-radius:22px;background:var(--hl-soft)}
.hl-404 h2{margin:0;font-size:26px;font-weight:800;letter-spacing:-.02em;color:var(--hl-ink)}
.hl-404 p{margin:12px 0 0;font-size:15px;line-height:1.68;color:var(--hl-body)}
@media(max-width:900px){.hl-blog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.hl-blog-grid{grid-template-columns:1fr}}

/* ---------- article ---------- */
.hl-crumb{display:flex;align-items:center;gap:8px;margin-bottom:26px;font-size:13px;font-weight:650;color:var(--hl-muted)}
.hl-crumb a{color:var(--hl-body);text-decoration:none}
.hl-crumb a:hover{color:var(--hl-blue)}
.hl-art-head{max-width:760px;margin:0 auto}
.hl-art-head h1{margin-top:12px;font-size:clamp(27px,4vw,42px);font-weight:800;line-height:1.16;letter-spacing:-.024em;color:var(--hl-ink)}
.hl-post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin-top:20px;font-size:12.8px;font-weight:650;color:var(--hl-muted)}
.hl-post-meta i{width:3px;height:3px;border-radius:50%;background:var(--hl-line-2);font-style:normal;display:inline-block}
.hl-art-cover-img{display:block;width:100%;max-width:760px;height:auto;margin:38px auto 0;border-radius:24px;border:1px solid var(--hl-line)}
.hl-art-body{max-width:720px;margin:44px auto 0;font-size:16.5px;line-height:1.8;color:var(--hl-body)}
.hl-art-body > p{margin-top:20px}
.hl-art-body > p:first-child{margin-top:0;font-size:18px;line-height:1.72;color:var(--hl-ink)}
.hl-art-body h2{scroll-margin-top:96px;margin-top:42px;font-size:22px;font-weight:800;line-height:1.28;letter-spacing:-.02em;color:var(--hl-ink)}
.hl-art-body h2 + p{margin-top:12px}
.hl-art-body h3{margin-top:28px;color:var(--hl-ink)}
.hl-art-body img{display:block;width:auto;max-width:100%;height:auto;margin:28px auto;border-radius:12px}
.hl-art-body a{color:var(--hl-blue)}
.hl-art-body table{width:100%;border-collapse:collapse}
.hl-art-body th,.hl-art-body td{border:1px solid var(--hl-line);padding:8px}
.hl-art-share{display:flex;flex-wrap:wrap;align-items:center;gap:12px;max-width:720px;margin:44px auto 0;padding-top:26px;border-top:1px solid var(--hl-line)}
.hl-art-share span{font-size:13.5px;font-weight:700;color:var(--hl-muted)}
.hl-art-share a{color:var(--hl-blue);text-decoration:none;font-size:13.5px;font-weight:700}
.hl-related{margin-top:48px}
.hl-related > h2{margin:0 0 18px}
.hl-cta.hl-cta-blog{position:relative;overflow:hidden;max-width:720px;margin-left:auto;margin-right:auto;border-radius:28px;background:var(--hl-blue);padding:40px 28px;text-align:center;color:#fff}
.hl-cta.hl-cta-blog .hl-h2{color:#fff}
.hl-cta.hl-cta-blog p{margin:12px auto 22px;max-width:520px;color:rgba(255,255,255,.88);line-height:1.6}
.hl-cta.hl-cta-blog .hl-btn-primary{background:#fff;color:var(--hl-blue-d);box-shadow:0 14px 30px -16px rgba(0,0,0,.55)}
.hl-cta.hl-cta-blog .hl-btn-primary:hover{background:#f2f6ff}

/* ---------- footer ---------- */
.hl-footer{background:var(--hl-soft);border-top:1px solid var(--hl-line);padding:56px 0 24px}
.hl-footer-top{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:34px}
@media(min-width:800px){.hl-footer-top{grid-template-columns:1.4fr repeat(2,1fr)}}
@media(min-width:1100px){.hl-footer-top{grid-template-columns:1.5fr repeat(4,1fr)}}
.hl-footer-brand p{margin-top:14px;max-width:300px;font-size:13.5px;line-height:1.7;color:var(--hl-body)}
.hl-social{display:flex;gap:8px;margin-top:18px}
.hl-social a{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;border:1px solid var(--hl-line);background:#fff;color:var(--hl-muted);text-decoration:none;transition:color .25s var(--hl-ease),border-color .25s var(--hl-ease),transform .25s var(--hl-ease)}
.hl-social a:hover{color:var(--hl-blue);border-color:var(--hl-blue-line);transform:translateY(-2px)}
.hl-social svg{width:16px;height:16px}
.hl-social a[aria-label="Threads"] svg{width:18px;height:18px}
.hl-footer-col h4{font-size:11.5px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;color:var(--hl-muted);margin-bottom:14px}
.hl-footer-col a{display:block;padding:6px 0;font-size:13.5px;color:var(--hl-body);text-decoration:none;transition:color .2s var(--hl-ease)}
.hl-footer-col a:hover{color:var(--hl-blue)}
.hl-footer-bottom{display:flex;flex-direction:column;gap:10px;padding-top:22px;border-top:1px solid var(--hl-line);font-size:12.5px;color:var(--hl-muted)}
@media(min-width:640px){.hl-footer-bottom{flex-direction:row;align-items:center;justify-content:space-between}}
.hl-footer-bottom a{color:inherit;text-decoration:underline;text-underline-offset:2px}
.hl-footer-bottom a:hover{color:var(--hl-blue)}