/* Promtagram — interactive screen handoff, 2026-09-15 */
html{scroll-behavior:smooth}
body{position:relative}
body::after{content:"";position:fixed;z-index:60;left:-15vw;top:37vh;width:130vw;height:240px;background:url('/assets/ai-state-watermark.svg?v=20260915') center/1500px 300px repeat-x;transform:rotate(-7deg);transform-origin:center;opacity:.035;pointer-events:none;mix-blend-mode:multiply;filter:grayscale(1)}
.top{z-index:100!important}
main,footer{position:relative}
main>section{position:relative;isolation:isolate}
.ptg-flow-divider{display:none!important}

/* Interactive handoff: no ornaments, no diamonds. The next screen catches the scroll with a live edge. */
.reference-home main>section.ptg-stage{--ptg-edge:0%;--ptg-pointer:50%;--ptg-lift:0px;--ptg-alpha:1;translate:0 var(--ptg-lift);opacity:var(--ptg-alpha);transition:opacity .12s linear;will-change:translate,opacity}
.reference-home main>section.ptg-stage::before{content:"";position:absolute;z-index:12;left:0;right:0;top:0;height:52px;pointer-events:none;background:radial-gradient(220px 54px at var(--ptg-pointer) 0%,rgba(18,148,199,.13),transparent 72%);opacity:.9}
.reference-home main>section.ptg-stage::after{content:"";position:absolute;z-index:13;left:0;top:0;width:var(--ptg-edge);height:2px;pointer-events:none;background:linear-gradient(90deg,rgba(15,139,190,0),rgba(15,139,190,.72) 35%,rgba(56,196,235,.95));box-shadow:0 2px 14px rgba(31,156,204,.18);transition:width .08s linear}
.reference-home main>section.ptg-stage[data-dark="1"]::before{background:radial-gradient(220px 54px at var(--ptg-pointer) 0%,rgba(133,221,255,.12),transparent 72%)}
.reference-home main>section.ptg-stage[data-dark="1"]::after{background:linear-gradient(90deg,rgba(139,220,248,0),rgba(139,220,248,.58) 35%,rgba(187,238,255,.9));box-shadow:0 2px 16px rgba(125,216,251,.12)}

/* Slight depth handoff only while the screen enters the viewport */
.reference-home main>section.ptg-stage>.wrap,
.reference-home main>section.ptg-stage>.process-conclusion{position:relative;z-index:2}

/* One and only one Gosneuroset screen */
.reference-home .achievement-grid [data-top1000],
.reference-home .certificate-strip{display:none!important}

@media(max-width:900px){body::after{left:-38vw;width:176vw;height:180px;background-size:1120px 224px;top:42vh;opacity:.025}.reference-home main>section.ptg-stage::before{height:38px}.reference-home main>section.ptg-stage::after{height:1px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reference-home main>section.ptg-stage{translate:none!important;opacity:1!important;transition:none!important}.reference-home main>section.ptg-stage::after{transition:none!important}}