:root{--showcase-top:88px;scroll-padding-top:100px}
body .header{position:fixed;top:24px;left:0;width:100%;z-index:40;pointer-events:none;transition:top .32s ease}
body .header .nav-shell{pointer-events:auto;max-width:1040px;transition:max-width .36s cubic-bezier(.2,.7,.2,1),width .36s ease,padding .32s ease,background .32s ease,border-color .32s ease,box-shadow .32s ease}
body .header.is-compact{top:12px}
body .header.is-compact .nav-shell{max-width:960px;padding-block:5px;background:rgba(255,255,255,.95);border-color:#e5e7eb;box-shadow:0 5px 20px #253b5010}
#services .buying-scene.is-pinned .buying-stage,.is-scroll-driven .scroll-stage{top:var(--showcase-top)}
@media(max-width:940px){body .header.is-compact .nav-shell{width:calc(100% - 48px)}}
@media(max-width:600px){
 :root{--showcase-top:76px;scroll-padding-top:88px}
 body .header{top:14px}
 body .header.is-compact{top:8px}
 body .header.is-compact .nav-shell{width:calc(100% - 32px)}
 body .header nav{top:62px;max-height:calc(100dvh - 90px)}
}
@media(prefers-reduced-motion:reduce){body .header,body .header .nav-shell{transition:none}}