/* Final shell polish: keep navigation available throughout the product story. */
.site>header{position:sticky;top:0;z-index:100;width:100%;padding-left:max(4vw,calc((100vw - 1360px)/2));padding-right:max(4vw,calc((100vw - 1360px)/2));background:rgba(7,26,40,.88);border-bottom:1px solid rgba(91,132,153,.22);backdrop-filter:blur(18px) saturate(135%);-webkit-backdrop-filter:blur(18px) saturate(135%);box-shadow:0 12px 35px rgba(0,0,0,.12)}
.site>header .brand,.site>header nav,.site>header .header-actions{position:relative;z-index:2}
.site>header:after{content:"";position:absolute;inset:auto 0 0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,191,77,.4),transparent);opacity:.45}
section[id]{scroll-margin-top:104px}
@media(max-width:1120px){.site>header{padding-left:4vw;padding-right:4vw}}
@media(max-width:560px){.site>header{padding-left:5vw;padding-right:5vw;background:rgba(7,26,40,.94)}.site>header .header-actions span{display:flex}.site>header .brand-name{font-size:17px}}