.site-shell{position:relative;z-index:10}
.site-header{position:sticky;top:0;z-index:50;min-height:var(--header-height);display:flex;align-items:center;justify-content:space-between;gap:24px;padding:0 28px;background:rgba(4,11,22,.72);border-bottom:1px solid rgba(105,181,255,.08);backdrop-filter:blur(18px) saturate(1.12)}
.brand{display:inline-flex;align-items:center;gap:12px;font-weight:700}
.brand__mark{width:40px;height:40px;display:grid;place-items:center;border-radius:12px;background:rgba(32,111,220,.16);border:1px solid rgba(105,181,255,.18)}
.site-nav{display:flex;gap:28px;color:var(--color-text-muted);font-size:.94rem}
.site-content{position:relative;z-index:10}
.container{width:var(--container);margin-inline:auto}
.hero-grid,.content-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(260px,.6fr);align-items:center;gap:56px}
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:42px}
.tech-list{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.site-footer{position:relative;z-index:10;padding:28px 0;color:var(--color-text-muted);background:rgba(3,9,20,.96);border-top:1px solid rgba(105,181,255,.08)}
@media(max-width:860px){.site-nav{display:none}.hero-grid,.content-grid,.card-grid{grid-template-columns:1fr}}