.header-nav__photo-link{border-bottom:0;flex:none;align-self:flex-start;text-decoration:none}.header-nav__photo{border-radius:50%;margin-right:12px;display:block}.header-nav__items{flex-wrap:wrap;align-items:center;margin:3px -12px;padding:0;line-height:1.2;list-style:none;display:flex}.header-nav__item{margin:3px 12px}.header-nav__item_current{font-weight:700}.header-nav__item_home .header-nav__link{border-bottom:none}:root{--link-border-color:#0066cc40;--link-border-color-active:#d0400040;--knowledge-item-margin:24px}a{color:#06c;border-bottom:1px solid;border-color:var(--link-border-color);text-decoration:none;transition:color .25s ease-out,border-bottom-color .25s ease-out}a:hover,a:focus,a:active{color:#d04000;border-color:var(--link-border-color-active);transition:none}a.link-no-underline{border-bottom:none}a.link-no-underline .link-no-underline__underline{border-bottom:1px solid;border-color:var(--link-border-color)}a.link-no-underline:hover .link-no-underline__underline,a.link-no-underline:focus .link-no-underline__underline,a.link-no-underline:active .link-no-underline__underline{border-color:var(--link-border-color-active)}*,:before,:after{box-sizing:border-box}body{margin:0;font-family:Montserrat,Segoe UI Emoji,sans-serif;font-size:16px;line-height:1.3;overflow-x:hidden}abbr{letter-spacing:1px;text-transform:uppercase;font-size:87.5435%}blockquote{border-left:5px solid #777;margin:16px 0;padding-left:30px}blockquote footer{color:#777;margin-top:6px;font-size:14px}blockquote footer:before{content:"— "}code{font-family:Fira Code,Consolas,Courier New,monospace;font-size:90%}.badge{letter-spacing:1px;text-transform:uppercase;vertical-align:middle;background:#fff;border:1px solid #00000040;border-radius:4px;padding:2px;font-size:9px;transition:border-color .25s ease-out;display:inline-block}a .badge{border:1px solid var(--link-border-color)}.knowledge__section_background .badge{background:#ffffff80;border:1px solid #00000026}a:hover .badge{border-color:var(--link-border-color-active);transition:none}p{margin:0}p+p{margin-top:16px}.header-level-2{margin:0 0 12px;font-size:45px}.blog-title{letter-spacing:-.05em;margin:0 0 12px;font-family:Bricolage Grotesque,sans-serif;font-size:60px;font-weight:900;line-height:1;position:relative}.blog-title:before{content:"";z-index:-1;background:#ffdb01;width:100%;height:18px;position:absolute;bottom:8px;left:0}.header-level-inline{font-size:inherit;margin:0}.header-level-inline+p{margin-top:0}.container{max-width:800px;margin:0 auto;padding:0 12px}.intro-row{grid-gap:36px;grid-template-columns:1fr 1fr 1fr;grid-template-areas:"lead lead social";margin:24px 0 0;display:grid}@media (width<=767px){.intro-row{grid-template-areas:"lead lead lead""social social social"}}@media (width<=480px){.intro-row{grid-gap:24px}}.lead-text{grid-area:lead;font-size:30px}@media (width<=480px){.lead-text{font-size:24px}}.social-links{grid-area:social;margin-top:9px}@media (width<=767px){.social-links{margin-top:0}}.social-links__items{flex-direction:column;margin:0;padding:0;list-style:none;display:flex}@media (width<=767px){.social-links__items{flex-flow:wrap;margin:-3px -9px}}@media (width>=767px){.social-links__item+.social-links__item{margin-top:6px}}@media (width<=767px){.social-links__item{margin:3px 9px}}.header-nav{align-items:stretch;padding:24px 0;font-family:Montserrat,sans-serif;display:flex}.header-nav-h1{font-size:inherit;margin:0}.header-nav__item_home .header-nav__link .header-nav__name{border-bottom:1px solid var(--link-border-color)}.header-nav__item_home .header-nav__link:hover .header-nav__name,.header-nav__item_home .header-nav__link:focus .header-nav__name,.header-nav__item_home .header-nav__link:active .header-nav__name{border-bottom:1px solid var(--link-border-color-active)}.knowledge,.projects{margin-top:48px}.knowledge__first-header,.projects__first-header{line-height:1;position:relative}.knowledge__first-header-more{font-weight:400}.knowledge__first-header-more-link:not(:hover):not(:focus):not(:active),.projects__first-header-more-link:not(:hover):not(:focus):not(:active){color:#000;--link-border-color:#00000040}.knowledge__first-header:after,.projects__first-header:after{content:"";z-index:-1;background:#ffdb01;width:100%;height:9px;position:absolute;bottom:5px;left:0}.knowledge__inner{columns:3 224px;column-gap:36px}.knowledge__section{-webkit-column-break-inside:avoid;break-inside:avoid;margin-bottom:var(--knowledge-item-margin);display:inline-block}.knowledge__section_background{background:#fffae0;margin:-12px -9px -18px;padding:12px 9px 18px}.knowledge__section_background:target{animation:1s ease-in knowledge__background-highlight}@keyframes knowledge__background-highlight{0%{background:#ffdb01}30%{background:#ffdb01}to{background:#fffae0}}@supports ((-moz-appearance:none)){.knowledge__section{display:inline-block}}.knowledge__items{margin:0;padding:0;list-style:none}.knowledge__item+.knowledge__item{margin-top:12px}.knowledge__image{outline:1px solid #ccc;height:75px;display:block}a:hover .knowledge__image,a:focus .knowledge__image,a:active .knowledge__image{outline-color:var(--link-border-color-active)}.project-title{letter-spacing:-.04em;margin:0;font-family:Bricolage Grotesque,sans-serif;font-size:clamp(2.5rem,5vw,4rem);font-weight:900;line-height:1.05}.projects__items{grid-gap:36px;grid-template-columns:1fr 1fr 1fr;margin:0;padding:0;list-style:none;display:grid}@media (width<=767px){.projects__items{grid-gap:24px;grid-template-columns:1fr}}.projects__item_wide{grid-column:span 2}@media (width<=767px){.projects__item_wide{grid-column:auto}}.projects__link{border-bottom:0}.projects__link-text{border-bottom:1px solid;border-color:var(--link-border-color)}.projects__link:hover .projects__link-text,.projects__link:focus .projects__link-text,.projects__link:active .projects__link-text{border-color:var(--link-border-color-active)}.projects__perfperfperf-logo-link{border:none;width:min-content;display:block}.projects__perfperfperf-logo-link:hover,.projects__perfperfperf-logo-link:focus,.projects__perfperfperf-logo-link:active{outline:1px solid var(--link-border-color-active)}.projects__perfperfperf-logo{width:50px;height:50px;display:block}.google .projects__link-text{display:inline-flex}.google__blue{color:#4885ed}.google__red{color:#db3236}.google__yellow{color:#f4c20d}.google__green{color:#3cba54}.epam{color:inherit}.epam:before{content:"‹";color:#39c2d7}.epam:after{content:"›";color:#39c2d7}.ilya-birman__image,.rock-content__image{vertical-align:top;border-radius:50%;height:20px}.footer{margin-top:24px;padding:12px 0;font-size:12px}.section{margin-top:48px}.section__header{line-height:1;position:relative}.section__header:after{content:"";z-index:-1;background:#ffdb01;width:100%;height:9px;position:absolute;bottom:5px;left:0}.section__more{font-weight:400}.section__more-link:not(:hover):not(:focus):not(:active){color:#000;--link-border-color:#00000040}