/* OverUnity4All — full technical article */
:root{--ink:#152a48;--muted:#526783;--blue:#1266eb;--line:#dce6f2;--bg:#f7faff;--pale:#eef5ff;--max:1190px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;font-family:'Manrope',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;font-size:16px;line-height:1.65;color:var(--ink);background:#fff}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible{outline:3px solid #ffac33;outline-offset:3px}.wrap{width:min(var(--max),calc(100% - 56px));margin:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:12px;z-index:100;background:#fff;padding:10px}.header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line)}.nav{min-height:76px;display:flex;justify-content:space-between;align-items:center;gap:20px}.brand{font-size:23px;font-weight:800;letter-spacing:-.9px;color:var(--ink)}.brand:hover{text-decoration:none}.brand i{color:var(--blue);font-style:normal;font-size:30px;margin-right:8px}.links{display:flex;gap:29px;align-items:center;font-size:14px;font-weight:600}.links a{color:var(--ink)}.links a:hover,.links a.active{color:var(--blue);text-decoration:none}.menu{display:none;border:1px solid var(--line);border-radius:9px;padding:8px 12px;background:white;font-size:20px;cursor:pointer}
.pagehead{padding:52px 0 34px;background:linear-gradient(120deg,#fff,#f7fbff);border-bottom:1px solid var(--line)}.eyebrow{text-transform:uppercase;letter-spacing:1.8px;font-size:12px;font-weight:800;color:#5c7caa;margin-bottom:12px}h1,h2,h3{line-height:1.23;letter-spacing:-.6px}h1{font-size:clamp(32px,3.4vw,46px);line-height:1.18;max-width:840px;margin:0 0 17px;letter-spacing:-1.4px;font-weight:650}.lead{max-width:880px;font-size:17px;line-height:1.7;color:#3e5471;margin:0 0 17px}.meta{display:flex;flex-wrap:wrap;gap:8px 24px;color:var(--muted);font-size:13px;margin-bottom:23px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:54px;align-items:start;padding-top:38px;padding-bottom:80px}.article{min-width:0;font-size:15px;line-height:1.75}.article-section{padding:0 0 36px;margin:0 0 37px;border-bottom:1px solid var(--line);scroll-margin-top:98px}.article-section:last-child{border-bottom:0}.section-title{font-size:clamp(22px,2.3vw,28px);letter-spacing:-.8px;margin:0 0 21px}.subsection-title{font-size:19px;margin:29px 0 12px}.article p{margin:0 0 16px;color:#354c68}.article strong{color:var(--ink)}.article ul,.article ol{padding-left:24px;margin:12px 0 20px}.article li{margin-bottom:9px;color:#354c68}.article a:not(.zoomable){font-weight:550;color:var(--blue)}.article code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;background:#edf3fa;color:#244b81;border-radius:4px;padding:.13em .34em;font-size:.9em;overflow-wrap:anywhere}.article pre{background:#10243e;color:#e5f0ff;border:1px solid #223b59;border-radius:12px;padding:20px;overflow:auto;font-size:13px;line-height:1.65;tab-size:2;margin:20px 0 26px}.article pre code{background:transparent;color:inherit;padding:0;overflow-wrap:normal}.table-scroll{max-width:100%;overflow-x:auto;border:1px solid var(--line);border-radius:11px;margin:18px 0 26px}.table-scientific{width:100%;min-width:600px;border-collapse:collapse;font-size:13px;line-height:1.55}.table-scientific th{text-align:left;background:#edf4ff;color:#16375e;font-weight:800;padding:12px 14px;vertical-align:top;border-bottom:1px solid #cadbf1}.table-scientific td{padding:11px 14px;vertical-align:top;border-bottom:1px solid var(--line);color:#354c68}.table-scientific tr:last-child td{border-bottom:0}.table-scientific tbody tr:nth-child(even){background:#f9fbff}.table-scientific code{white-space:nowrap}
.figure-box{margin:25px 0 29px;padding:14px;border:1px solid var(--line);border-radius:13px;background:#fff;text-align:center}.figure-box img{max-width:100%;height:auto;display:block;margin:auto;border-radius:7px}.figure-image{display:block;width:100%;height:auto}.zoomable{display:block;width:100%;max-width:700px;margin-inline:auto;cursor:zoom-in;overflow:hidden;border-radius:8px}.figure-box .zoomable img{transition:transform .2s ease}.figure-box .zoomable:hover img{transform:scale(1.012)}.figure-caption{font-size:12px!important;line-height:1.6;color:var(--muted)!important;margin:12px 0 2px!important}.figure-box svg{max-width:100%;height:auto}.video-container,video{max-width:100%;border-radius:10px}.formula-container{overflow-x:auto;text-align:center;padding:12px 4px;margin:15px 0}.formula-box{display:inline-block;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:15px}.insight-box,.warning-box,.danger-box,.key-insight,.result-box,.observation-block{border-left:3px solid var(--blue);background:var(--bg);border-radius:8px;padding:16px 20px;margin:18px 0 24px;color:#354c68}.warning-box{border-left-color:#c88a21;background:#fffaf0}.danger-box{border-left-color:#d35252;background:#fff6f6}.result-box{border-left-color:#2c9a76;background:#f2fbf7}
.aside{position:sticky;top:100px;max-height:calc(100vh - 115px);overflow-y:auto;scrollbar-width:thin}.toc-panel,.side-panel{border:1px solid var(--line);border-radius:12px;padding:19px;background:#fff;margin-bottom:17px}.toc-label{font-size:12px;letter-spacing:1.1px;text-transform:uppercase;font-weight:800;color:#6882a1;margin-bottom:12px}.toc-links{display:flex;flex-direction:column;gap:2px}.toc-links a{display:block;color:var(--muted);font-size:12px;line-height:1.5;padding:7px 9px;border-radius:6px}.toc-links a:hover,.toc-links a.active{background:var(--pale);color:var(--blue);text-decoration:none}.side-panel>a{display:block;padding:8px 0;border-bottom:1px solid var(--line);font-size:12px;font-weight:650}.side-panel>a:last-child{border-bottom:0}.metric{display:flex;flex-direction:column;gap:1px;padding:10px 0;border-bottom:1px solid var(--line)}.metric:last-child{border-bottom:0}.metric strong{font-size:15px}.metric span{font-size:12px;color:var(--muted)}footer{background:#142744;color:#dce7f8;padding:30px 0;font-size:13px}.footer-row{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}footer a{color:#fff}
@media(max-width:980px){.article-layout{grid-template-columns:minmax(0,1fr);gap:20px}.aside{order:-1;position:static;max-height:none;overflow:visible;display:grid;grid-template-columns:1fr 1fr;gap:16px}.toc-panel{grid-column:1/-1}.toc-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:900px){.nav{min-height:64px}.menu{display:block}.links{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;z-index:5;padding:16px 22px;box-shadow:0 14px 25px #14274418;flex-direction:column;align-items:flex-start;max-height:calc(100dvh - 64px);overflow:auto}.links.open{display:flex}}@media(max-width:700px){.wrap{width:calc(100% - 34px)}.brand{font-size:21px}.pagehead{padding:35px 0 29px}.article-layout{padding-top:30px}.article-section{margin-bottom:30px;padding-bottom:27px}.aside{display:block}.toc-links{grid-template-columns:1fr}.table-scientific{min-width:520px}.article pre{padding:14px}.figure-box{padding:9px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.figure-box .zoomable img{transition:none}.figure-box .zoomable:hover img{transform:none}}@media print{.header,.aside,.actions,.skip,footer{display:none!important}.article-layout{display:block}.wrap{width:100%}.article-section{break-inside:auto}.table-scroll{overflow:visible}.table-scientific{min-width:0}.pagehead{padding:0 0 20px}.article a{color:inherit}}


/* Unified OverUnity4All design */
:root{--soft:#64758d}
.links{font-weight:600}
.pagehead{padding:52px 0 34px}
.eyebrow{letter-spacing:2px}
.pagehead h1{max-width:840px;font-size:clamp(32px,3.4vw,46px);font-weight:650;line-height:1.17;letter-spacing:-1.4px;margin-bottom:22px}
.lead{max-width:720px;line-height:1.65}

.figure-box svg{display:block;width:100%;max-width:760px;height:auto;margin-inline:auto}
@media(max-width:700px){.pagehead{padding:38px 0 26px}.pagehead h1{letter-spacing:-1px}}

@media print{.table-scientific{width:100%;min-width:0;font-size:10px}.table-scientific th,.table-scientific td{padding:5px 7px;overflow-wrap:anywhere}.figure-box{break-inside:avoid}}



.actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 19px;border:1px solid #c9d8ec;border-radius:9px;font-size:14px;font-weight:600;background:white;gap:9px}
.btn:hover{border-color:var(--blue);color:var(--blue)}
.btn.primary{background:var(--blue);color:white;border-color:var(--blue);font-weight:650}
.btn.primary:hover{background:#0753c9}
.btn span{font-size:16px;font-weight:400;line-height:1}
.pagehead .split{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:clamp(32px,4vw,56px);align-items:center}
.pagehead .photo-link{display:block;cursor:zoom-in}
.pagehead .photo{display:block;width:100%;height:auto;border-radius:14px;box-shadow:0 16px 35px rgba(32,64,109,.10);background:#dce8f4}
@media(max-width:980px){.pagehead .split{grid-template-columns:1fr}}

/* OverUnity4All — логотип сайта */
.site-logo {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    text-decoration: none;
}
.site-logo img {
    display: block;
    width: auto;
    height: 42px;
    max-width: 100%;
}
@media (max-width: 768px) {
    .site-logo img {
        height: 32px;
    }
}