/* AST SERA V54 – shared mobile header polish */
.site-header .navbar{gap:14px;}
.site-header .brand{min-width:0; flex:0 1 auto;}
.site-header .brand-logo{height:46px;width:auto;max-width:250px;object-fit:contain;}
.site-header .nav-cta{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.site-header .nav-cta .btn{min-height:42px;padding:9px 12px;}
.site-header .mobile-toggle{display:none;align-items:center;justify-content:center;flex-direction:column;gap:4px;width:42px;height:42px;border-radius:12px;background:#fff;border:1px solid rgba(15,23,42,.14);cursor:pointer;padding:0;}
.site-header .mobile-toggle span{display:block;width:19px;height:2px;border-radius:3px;background:#0f172a;}
.site-header .nav-cta .mobile-toggle{order:3;}
.site-header .mobile-toggle:focus-visible,.site-header .btn:focus-visible,.site-header .nav-links a:focus-visible{outline:3px solid rgba(11,94,215,.35);outline-offset:3px;}
@media(max-width:980px){
 .site-header .navbar{padding:8px 0;position:relative;}
 .site-header .brand-logo{height:40px;max-width:190px;}
 .site-header .nav-links{display:none;position:absolute;left:0;right:0;top:100%;padding:10px;background:#fff;border:1px solid rgba(15,23,42,.10);border-radius:0 0 18px 18px;box-shadow:0 18px 35px rgba(2,6,23,.12);flex-direction:column;align-items:stretch;gap:3px;}
 .site-header .nav-links.is-open{display:flex;}
 .site-header .nav-links a{padding:12px 14px;border-radius:10px;}
 .site-header .nav-cta .btn{font-size:0;width:42px;height:42px;padding:0;gap:0;border-radius:12px;}
 .site-header .nav-cta .btn span{font-size:20px;line-height:1;}
 .site-header .nav-cta .btn span+span{display:none;}
 .site-header .mobile-toggle{display:inline-flex;}
}
@media(max-width:420px){
 .site-header .brand-logo{height:36px;max-width:165px;}
 .site-header .nav-cta{gap:5px;}
 .site-header .nav-cta .btn,.site-header .mobile-toggle{width:38px;height:38px;min-height:38px;}
}
/* V54 blog */
.blog-page{padding:0 0 70px;background:var(--bg);}
.blog-intro{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(300px,.55fr);gap:28px;align-items:end;padding:38px 0 22px;}
.eyebrow{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.08em;color:#0b5ed7;margin-bottom:8px;}
.blog-intro h1{margin:0 0 12px;font-size:clamp(32px,4vw,50px);line-height:1.05;}
.blog-intro p{margin:0;color:var(--muted);font-size:17px;max-width:720px;}
.blog-search{background:#fff;border:1px solid var(--border);border-radius:18px;padding:16px;box-shadow:0 10px 30px rgba(2,6,23,.06);}
.blog-search label{display:block;font-weight:800;font-size:13px;margin-bottom:8px;}
.search-wrap{display:flex;align-items:center;gap:8px;border:1px solid rgba(15,23,42,.14);border-radius:12px;padding:0 10px;background:#fff;}
.search-wrap span{font-size:23px;color:#64748b}.search-wrap input{border:0;outline:0;min-width:0;width:100%;padding:12px 2px;font:inherit;background:transparent;}.search-wrap button{border:0;background:none;font-size:22px;color:#64748b;cursor:pointer;padding:4px}.blog-search small{display:block;margin-top:8px;color:#64748b;}
.blog-filters{display:flex;gap:8px;overflow-x:auto;padding:4px 0 16px;scrollbar-width:none;}.blog-filters::-webkit-scrollbar{display:none}.filter{flex:0 0 auto;border:1px solid rgba(15,23,42,.12);background:#fff;color:#334155;border-radius:999px;padding:9px 13px;font:600 13px/1.2 inherit;cursor:pointer;}.filter.active{background:#0b5ed7;color:#fff;border-color:#0b5ed7;}.filter:focus-visible{outline:3px solid rgba(11,94,215,.28);outline-offset:2px;}
.blog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}.blog-card{min-width:0;background:#fff;border:1px solid rgba(15,23,42,.10);border-radius:18px;overflow:hidden;box-shadow:0 10px 28px rgba(2,6,23,.055);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;}.blog-card:hover{transform:translateY(-3px);box-shadow:0 18px 42px rgba(2,6,23,.11);border-color:rgba(11,94,215,.22);}.blog-card-link{display:block;height:100%;}.blog-card-media{aspect-ratio:16/9;background:#edf2f7;overflow:hidden;}.blog-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}.blog-card:hover img{transform:scale(1.035);}.blog-card-body{padding:17px 17px 18px;display:flex;flex-direction:column;height:calc(100% - 0px);}.blog-card-cat{font-size:11px;font-weight:800;color:#0b5ed7;text-transform:uppercase;letter-spacing:.05em;margin-bottom:7px;}.blog-card h2{font-size:19px;line-height:1.2;margin:0 0 9px;color:#0a1222;}.blog-card p{font-size:14px;line-height:1.55;color:#475569;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}.read-more{margin-top:auto;font-size:13px;font-weight:800;color:#0b5ed7;}.empty-state{padding:50px 20px;text-align:center;background:#fff;border:1px solid var(--border);border-radius:18px;}.footer-simple{display:flex;align-items:center;gap:16px;padding:24px 0;flex-wrap:wrap;color:#475569}.footer-simple strong{color:#0a1222}.footer-simple a{font-weight:700;color:#0b5ed7;}
@media(max-width:980px){.blog-intro{grid-template-columns:1fr}.blog-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(max-width:640px){.blog-intro{padding:25px 0 15px;gap:16px}.blog-intro h1{font-size:31px}.blog-intro p{font-size:15px}.blog-grid{grid-template-columns:1fr;gap:13px}.blog-card-media{aspect-ratio:16/10}.blog-card h2{font-size:18px}.blog-card-body{padding:14px}.footer-simple{gap:10px;font-size:13px;}}
@media(prefers-reduced-motion:reduce){.blog-card,.blog-card-media img{transition:none!important;}}