.irbirW_page{--primary:#2f7cff;--secondary:#1856d1;--primary-shade-two:#142552;--light:#fff;--dark:#19192a;--heading:#f5f5f7;--background:#0c0c13;--background-alt:#0f0f1a;--foreground:#aeaecd;--foreground-alt:#ccccdb;--border:#1d315f;background:var(--background);min-height:100vh;color:var(--foreground);font-family:Inter,Arial,Helvetica,sans-serif;font-size:18px;line-height:1.5;overflow-x:hidden}.irbirW_page *,.irbirW_page :before,.irbirW_page :after{box-sizing:border-box}.irbirW_page a{color:inherit}.irbirW_page h1,.irbirW_page h2,.irbirW_page h3,.irbirW_page h4,.irbirW_page p,.irbirW_page ul{margin:0}.irbirW_page h1,.irbirW_page h2,.irbirW_page h3,.irbirW_page h4{color:var(--heading);font-family:Mona Sans,Inter,Arial,Helvetica,sans-serif;font-weight:500}.irbirW_topbar{justify-content:space-between;align-items:center;gap:32px;width:min(1200px,100% - 48px);min-height:92px;margin:0 auto;padding:24px 0;display:flex}.irbirW_brandLink{flex:none;align-items:center;display:inline-flex}.irbirW_logo{filter:invert();width:164px;height:auto;display:block}.irbirW_backLink{background:var(--primary);color:var(--light);border-radius:80px;justify-content:center;align-items:center;gap:9px;padding:12px 24px;font-size:16px;text-decoration:none;transition:transform .23s,background-color .23s;display:inline-flex}.irbirW_backLink:hover{background:var(--secondary);transform:translateY(-3px)}.irbirW_backLink span{color:inherit}.irbirW_hero{background:radial-gradient(44.89% 43.88% at -8.59% 50%, var(--primary) 0%, var(--background) 100%);padding:7rem 24px 5.5rem}.irbirW_hero>*{width:min(1200px,100%);margin-left:auto;margin-right:auto}.irbirW_eyebrow{background:var(--primary-shade-two);width:fit-content;color:var(--primary);letter-spacing:0;text-transform:none;border:1px solid #173f87;border-radius:80px;padding:5px 12px;font-size:13px;font-weight:500;line-height:1.4}.irbirW_hero h1{letter-spacing:-2px;max-width:980px;margin-top:20px;font-size:clamp(56px,7vw,88px);line-height:1.08}.irbirW_heroMeta{border-top:1px solid var(--border);grid-template-columns:minmax(0,1.3fr) minmax(250px,.7fr);gap:56px;margin-top:40px;padding-top:28px;display:grid}.irbirW_heroMeta>p{max-width:720px;color:var(--foreground-alt);font-size:18px;line-height:1.65}.irbirW_heroMeta>div{color:var(--foreground);grid-template-columns:auto 1fr;align-content:start;gap:8px 18px;font-size:13px;display:grid}.irbirW_heroMeta>div strong{color:var(--heading);font-size:14px;font-weight:500}.irbirW_heroMeta>div span:last-child{grid-column:2}.irbirW_summary{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;width:min(1200px,100% - 48px);margin:6rem auto 0;display:grid}.irbirW_summary>div{border:1px solid var(--border);background:var(--background-alt);border-radius:28px;flex-direction:column;min-height:220px;padding:28px;display:flex}.irbirW_summary span{color:var(--primary);letter-spacing:0;text-transform:none;font-size:13px;font-weight:500}.irbirW_summary strong{color:var(--heading);letter-spacing:-.03em;margin-top:auto;padding-top:34px;font-family:Mona Sans,Inter,sans-serif;font-size:clamp(24px,2.1vw,34px);font-weight:500;line-height:1.05;display:block}.irbirW_summary p{color:var(--foreground);margin-top:12px;font-size:14px;line-height:1.55}.irbirW_bodyWrap{grid-template-columns:250px minmax(0,820px);justify-content:space-between;gap:72px;width:min(1200px,100% - 48px);margin:0 auto;padding:8rem 0 9rem;display:grid}.irbirW_sidebar{height:fit-content;position:sticky;top:32px}.irbirW_sidebar>span{background:var(--primary-shade-two);width:fit-content;color:var(--primary);letter-spacing:0;text-transform:none;border:1px solid #173f87;border-radius:80px;margin-bottom:20px;padding:5px 12px;font-size:12px;font-weight:500;display:inline-flex}.irbirW_sidebar nav{flex-direction:column;display:flex}.irbirW_sidebar a{color:var(--foreground);grid-template-columns:34px 1fr;gap:8px;padding:10px 0;font-size:13px;line-height:1.35;text-decoration:none;transition:color .2s;display:grid}.irbirW_sidebar a:hover{color:var(--heading)}.irbirW_sidebar em{color:var(--primary);padding-top:1px;font-size:11px;font-style:normal}.irbirW_article section{border-bottom:1px solid var(--border);margin-bottom:72px;padding:0 0 72px;scroll-margin-top:32px}.irbirW_article section:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}.irbirW_sectionNumber{color:var(--primary);letter-spacing:0;margin-bottom:14px;font-size:13px;font-weight:600}.irbirW_article h2{letter-spacing:-.035em;margin-bottom:28px;font-size:clamp(36px,4.2vw,54px);line-height:1.08}.irbirW_article p,.irbirW_article li{color:var(--foreground-alt);font-size:16px;line-height:1.78}.irbirW_article p{margin-bottom:20px}.irbirW_article ul{margin-bottom:25px;padding:0;list-style:none}.irbirW_article li{border-bottom:1px solid #1d315fb3;padding:11px 0 11px 28px;position:relative}.irbirW_article li:first-child{border-top:1px solid #1d315fb3}.irbirW_article li:before{content:"—";color:var(--primary);position:absolute;left:0}.irbirW_article a{color:var(--heading);text-underline-offset:4px;text-decoration-color:#2f7cffb3}.irbirW_article a:hover{color:var(--primary)}.irbirW_endMark{color:#2f7cff24;letter-spacing:-.05em;margin-top:58px;font-family:Mona Sans,Inter,sans-serif;font-size:clamp(72px,9vw,120px);font-weight:500;line-height:.85}.irbirW_footer{width:min(1200px,100% - 48px);min-height:110px;color:var(--foreground);border-top:1px solid #2f7cff26;justify-content:space-between;align-items:center;gap:30px;margin:0 auto;padding:36px 0 48px;font-size:14px;display:flex}@media (max-width:980px){.irbirW_summary{grid-template-columns:repeat(2,minmax(0,1fr))}.irbirW_bodyWrap{grid-template-columns:190px minmax(0,1fr);gap:50px}}@media (max-width:720px){.irbirW_topbar{width:min(100% - 30px,1200px);min-height:80px;padding:18px 0}.irbirW_logo{width:138px}.irbirW_backLink{padding:10px 16px;font-size:14px}.irbirW_hero{padding:5rem 15px 4.5rem}.irbirW_hero h1{letter-spacing:-1px;font-size:clamp(48px,14vw,68px)}.irbirW_heroMeta{grid-template-columns:1fr;gap:28px;margin-top:34px}.irbirW_heroMeta>p{font-size:16px}.irbirW_heroMeta>div{grid-template-columns:70px 1fr}.irbirW_summary{grid-template-columns:1fr;width:min(100% - 30px,1200px);margin-top:4rem}.irbirW_summary>div{min-height:175px}.irbirW_bodyWrap{width:min(100% - 30px,1200px);padding:6rem 0;display:block}.irbirW_sidebar{display:none}.irbirW_article section{margin-bottom:56px;padding-bottom:56px}.irbirW_article h2{font-size:clamp(34px,10vw,46px)}.irbirW_article p,.irbirW_article li{font-size:15px;line-height:1.72}.irbirW_footer{flex-direction:column;justify-content:center;align-items:flex-start;gap:8px;width:min(100% - 30px,1200px);min-height:120px;padding:28px 0 40px}}@media (prefers-reduced-motion:reduce){.irbirW_backLink{transition:none}}