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0}.map-section{background:var(--dark);color:#fff}.map-heading{padding:70px 5.3vw;display:flex;align-items:end;justify-content:space-between;gap:40px}.map-heading .eyebrow{color:var(--gold)}.map-heading h2{font-size:2.7rem;margin:0}.map-actions{display:flex;gap:14px;flex-wrap:wrap}.map-container{position:relative;background:#e6eceb;padding-bottom:50px}.map-container iframe{width:100%;height:470px;border:0;display:block;filter:saturate(.6)}.map-fallback{display:block;text-align:center;padding:15px 24px 0;color:var(--ink);font-size:.8125rem;line-height:1.6;text-decoration:underline;text-underline-offset:3px}.prose{max-width:960px;margin:auto}.prose h2{font-size:2.2rem;margin-top:55px;margin-bottom:23px}.prose h2:first-child{margin-top:0}.prose p{color:var(--muted)}.prose a{color:var(--ink);text-decoration:underline;text-underline-offset:4px}.error-page{min-height:100svh;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;background:var(--soft)}.error-page h1{font-size:clamp(2.5rem,5vw,5.5rem)}dialog{border:none;border-radius:3px;color:var(--ink);width:min(650px,calc(100% - 32px));padding:35px;box-shadow:0 20px 80px #0005;max-height:85svh}dialog::backdrop{background:#051b24aa;backdrop-filter:blur(4px)}.dialog-top{display:flex;align-items:start;justify-content:space-between}.dialog-top .eyebrow{margin-bottom:25px;color:#8a693b}.dialog-close{border:none;background:none;color:var(--ink);font-size:2rem;line-height:1;padding:0 4px}.dialog-top+h2{font-size:2.5rem;margin-bottom:15px}dialog>p{font-size:.9375rem;color:var(--muted)}#email-preview{background:var(--soft);font-family:inherit;font-size:.875rem;line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere;max-height:220px;overflow:auto;padding:20px}.dialog-actions{display:flex;gap:12px;flex-wrap:wrap}.toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%,12px);opacity:0;visibility:hidden;background:var(--dark);color:#fff;padding:15px 25px;box-shadow:0 8px 30px 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@media(max-width:380px){.header{padding:0 18px}.story-copy{left:18px;right:18px;top:28%}.story-coordinate{left:18px}.story-bottom{left:18px;right:18px}.chapter h1,.chapter h2{font-size:2.5rem}.chapter[data-chapter="3"] h2{font-size:2.2rem}.chapter p:not(.eyebrow){font-size:.9375rem}.method-card{grid-template-columns:1fr;gap:0}.method-card img{grid-row:auto;aspect-ratio:1.4;margin-bottom:20px}.feature-facts{grid-template-columns:1fr}.chapter-navigation button{font-size:.62rem}.section{padding-left:20px;padding-right:20px}.project-numbers strong{font-size:2.7rem}}
@media(max-height:740px) and (min-width:701px){.story-stage{min-height:600px}.story-copy{top:25%}.chapter h1,.chapter h2{font-size:clamp(3.4rem,5.9vw,5.7rem)}.chapter[data-chapter="3"] h2{font-size:clamp(3.2rem,5vw,5rem)}.chapter .eyebrow{margin-bottom:18px}.chapter p:not(.eyebrow){font-size:1rem;margin-bottom:23px}.story-bottom{bottom:28px}.story-coordinate{top:130px}}
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/* Bolashak brand in the blue and white visual language of KazMunayGas. */
:root{--ink:#142f55;--dark:#21aae1;--soft:#f2f6fb;--muted:#60728a;--gold:#36c0ef;--line:#dce5ef}
.brand-logo{display:block;position:relative;width:224px;aspect-ratio:1248/338;overflow:hidden;background:#fff;flex-shrink:0}
.brand-logo img{position:absolute;width:126.202%;max-width:none;height:auto;left:-13.942%;top:-179.29%}
.header{background:#fff;color:#153657;border-bottom:1px solid #dce5ef;height:105px}
.header.scrolled{background:#fffffff7;border-bottom:1px solid #dce5ef;box-shadow:0 3px 20px #0829490c}
.header-contact{border-color:#21aae1;background:#21aae1;color:#fff}
.header-contact:hover{background:#1689b5;border-color:#1689b5;color:#fff}
.menu-toggle{color:#21aae1}
.desktop-nav a:after{background:#21aae1}
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.intro h2 em{color:#1689bc}
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.story-shade{background:linear-gradient(90deg,#06254ed6 0%,#072a5192 46%,#04274c22 100%),linear-gradient(0deg,#05244bb8 0%,transparent 37%,#15385430 100%)}
.story-coordinate{top:148px}
.chapter .eyebrow,.chapter .eyebrow>span{color:#9de4ff}
.responsibility-strip{background:#21aae1}.responsibility-inner p{color:#e2eefb}.responsibility-inner .text-link{color:#fff}
.responsibility-strip .eyebrow{color:#a9e5ff}.responsibility-strip .eyebrow>span{color:#a9e5ff}
.cta{background:#21aae1}.cta .eyebrow{color:#a9e5ff}
.footer{background:#fff;color:#142f55;border-top:1px solid #dce5ef}.footer-top>p{color:#536c8c}.footer-contact>span{color:#627895}.footer-nav{color:#365674}.footer-nav a:hover{color:#21aae1}.footer-bottom{border-top-color:#dce5ef;color:#627895}.visual-note{color:#627895}
.page-hero{background:#21aae1}.page-hero-shade{background:linear-gradient(90deg,#05244de8 0%,#083668a1 65%,#0a3b684c),linear-gradient(0deg,#072c5c66,transparent)}
.page-hero-inner>.eyebrow,.page-hero-inner>.eyebrow>span{color:#9de4ff}.page-hero-inner>p:not(.eyebrow){color:#e3edf9}.page-hero-bottom{color:#c7dff4}
.map-section{background:#21aae1}.map-heading .eyebrow,.map-heading .eyebrow>span{color:#a9e5ff}
@media(max-width:1190px){.brand-logo{width:200px}.header{padding:0 4vw}.desktop-nav{gap:19px}}
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@media(max-width:380px){.header{padding:0 18px}.brand-logo{width:175px}}

[hidden]{display:none!important}
.desktop-nav a{font-size:.875rem}
@media(max-width:1190px) and (min-width:981px){.desktop-nav{gap:15px}.desktop-nav a{font-size:.8125rem}}
/* User refinement: logo-matched cyan, geometric typography, fullscreen film. */
:root{--ink:#192b3b;--dark:#142b3b;--gold:#21aae1;--soft:#f5f7f9;--muted:#62717c;--line:#dde4e9;font-family:Montserrat,'Helvetica Neue',Arial,sans-serif}
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.header-contact:hover{background:#a3e2f8;color:#142b3b;border-color:#a3e2f8}
.desktop-nav{gap:29px}.desktop-nav a{font-size:1rem;font-weight:500}
.desktop-nav a:after{background:var(--gold)}
.button{font-size:1rem;font-weight:500;padding:17px 26px}
.button-dark{background:var(--gold);color:#142b3b}.button-dark:hover{background:#a3e2f8;color:#142b3b}
.text-link{font-size:1rem}.text-link:hover{color:#087fa9;border-color:var(--gold)}
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.intro h2 em{font-family:inherit;font-style:normal;font-weight:500;color:#087fa9}
.story-stage{min-height:0;height:100svh}.story-background video,.story-background img{object-fit:cover}
.story-shade{background:linear-gradient(90deg,rgba(8,18,27,.80),rgba(8,18,27,.18) 80%),linear-gradient(0deg,rgba(8,18,27,.40),transparent 27%)}
.chapter h1,.chapter h2{font-weight:500;font-size:clamp(3.7rem,6.15vw,6.4rem)}
.chapter[data-chapter="3"] h2{font-size:clamp(3.3rem,5.25vw,5.5rem)}
.chapter .eyebrow,.chapter .eyebrow>span{color:#fff}.chapter .button{font-size:.9375rem}
.chapter{transition:opacity .3s var(--ease),transform .45s var(--ease);visibility:hidden}.chapter.active{visibility:visible}
.chapter-navigation button{font-size:.8125rem}.chapter-navigation b{color:#fff}.scroll-hint{font-size:.8125rem}
.responsibility-strip{background:#142b3b}.responsibility-strip .eyebrow,.responsibility-strip .eyebrow>span{color:#c3e9f5}
.responsibility-inner .text-link{color:#fff}.cta{background:#142b3b}.cta .eyebrow{color:#c3e9f5}
.page-hero{background:#142b3b}.page-hero-shade{background:linear-gradient(90deg,rgba(8,18,27,.85),rgba(8,18,27,.25) 85%)}
.page-hero-inner>.eyebrow,.page-hero-inner>.eyebrow>span{color:#fff}
.map-section{background:#142b3b}
.mobile-menu .menu-label,.mobile-menu>a>span{color:#087fa9}
.footer .brand-logo{width:157px}
body.menu-open .header-home{background:#fff;color:#192b3b;border-bottom-color:#dde4e9}
body.menu-open .header-home .menu-toggle{color:#192b3b}
@media(max-width:1190px){.brand-logo{width:140px}.desktop-nav{gap:20px}.desktop-nav a{font-size:.9375rem}.header-contact{font-size:.875rem;padding:12px 15px}}
@media(max-width:980px){.brand-logo{width:150px}.header-contact{font-size:.9375rem}.chapter h1,.chapter h2{font-size:clamp(3.3rem,6.9vw,5.3rem)}}
@media(max-width:700px){.brand-logo{width:133px}.footer .brand-logo{width:150px}.story-stage{height:100svh;min-height:0}.story-copy{top:28%}.chapter h1,.chapter h2{font-size:clamp(2.6rem,9.2vw,4.2rem);line-height:1.1}.chapter[data-chapter="3"] h2{font-size:clamp(2.2rem,7.7vw,3.5rem)}.story-shade{background:linear-gradient(90deg,#08121bd9,#08121b55),linear-gradient(0deg,#08121b70,transparent 35%)}.chapter-navigation button{font-size:.7rem}.chapter .button{font-size:.875rem}.button{font-size:.9375rem}.chapter p:not(.eyebrow){font-size:1rem}.story-coordinate{font-size:.65rem}.story-copy{min-height:330px}}
@media(max-width:380px){.brand-logo{width:122px}.chapter h1,.chapter h2{font-size:clamp(2rem,10.5vw,2.5rem)}.chapter[data-chapter="3"] h2{font-size:2.15rem}}
@media(max-height:680px) and (max-width:700px){.story-copy{top:24%}.chapter h1,.chapter h2{font-size:clamp(2rem,8.3vw,2.8rem);margin-bottom:18px}.chapter[data-chapter="3"] h2{font-size:clamp(1.9rem,7.2vw,2.6rem)}.chapter .eyebrow{margin-bottom:18px}.chapter p:not(.eyebrow){font-size:.9375rem;line-height:1.5;margin-bottom:20px}.story-bottom{bottom:15px}.story-coordinate{top:100px}.chapter .button{padding:12px 19px}}
.intro-grid>*{min-width:0}.intro-grid{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr)}
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.brand-logo{background:transparent;aspect-ratio:2023/517}
.brand-logo img{width:107.365%;left:-2.323%;top:-30.367%;height:auto}
.brand-logo .logo-accent{position:absolute;width:107.365%;aspect-ratio:3/1;left:-2.323%;top:-30.367%;background:#21aae1;mask:url('/assets/bolashak-logo-transparent.png') center/100% 100% no-repeat;-webkit-mask:url('/assets/bolashak-logo-transparent.png') center/100% 100% no-repeat;clip-path:polygon(23% 21%,28% 34%,28% 45.5%,23% 33%,18% 45.5%,18% 34%)}
.header-home:not(.scrolled) .brand-logo img{filter:brightness(0) invert(1)}
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/* Soft corners and restrained glass for surfaces layered over imagery. */
.button{border-radius:14px}.header-contact{border-radius:12px}.back-top{border-radius:14px}
.header{background:rgba(255,255,255,.88);backdrop-filter:blur(18px) saturate(1.12);-webkit-backdrop-filter:blur(18px) saturate(1.12)}
.header-home:not(.scrolled){background:rgba(255,255,255,.055);border-bottom-color:rgba(255,255,255,.17);backdrop-filter:blur(13px) saturate(1.05);-webkit-backdrop-filter:blur(13px) saturate(1.05)}
.header.scrolled{background:rgba(255,255,255,.84);backdrop-filter:blur(20px) saturate(1.12);-webkit-backdrop-filter:blur(20px) saturate(1.12)}
.header-home.scrolled{background:rgba(255,255,255,.84)}
.button-outline{background:rgba(255,255,255,.06);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-color:rgba(255,255,255,.35)}
.button-outline:hover{background:rgba(255,255,255,.92);border-color:rgba(255,255,255,.8)}
.header-home:not(.scrolled) .header-contact{background:rgba(255,255,255,.065);border-color:rgba(255,255,255,.36);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.motion-toggle{border:1px solid rgba(255,255,255,.2);border-radius:20px;padding:8px 13px;background:rgba(255,255,255,.055);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.mobile-menu{background:rgba(250,252,254,.93);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px)}
.mobile-menu>a:not(.menu-mail){border-radius:12px;padding-left:10px;padding-right:10px;transition:background .2s ease}
.mobile-menu>a:not(.menu-mail):hover{background:rgba(33,170,225,.075)}
.contact-form{border-radius:20px;border:1px solid rgba(218,227,233,.65)}
dialog{border-radius:20px;background:rgba(255,255,255,.96);border:1px solid rgba(255,255,255,.8);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}
#email-preview{border-radius:12px}.dialog-close{border-radius:8px}.toast{border-radius:14px}
@media(prefers-reduced-transparency:reduce){.header,.header.scrolled,.header-home.scrolled{background:#fff}.header-home:not(.scrolled){background:rgba(12,22,30,.92)}.mobile-menu,dialog{background:#fff}.button-outline{background:rgba(12,22,30,.8)}}
/* Final menu behavior: transparent over the whole film, solid white after it. */
.header,.header.scrolled,.header-home.scrolled{position:fixed;background:#fff;backdrop-filter:none;-webkit-backdrop-filter:none}
.header-home.on-video,.header-home.on-video.scrolled,.header-home:not(.scrolled){background:transparent;color:#fff;border-bottom-color:rgba(255,255,255,.2);box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none}
.header-home.on-video .brand-logo img{filter:brightness(0) invert(1)}
.header-home.on-video .header-contact{color:#fff;background:transparent;border-color:rgba(255,255,255,.5);backdrop-filter:none;-webkit-backdrop-filter:none}
.header-home.on-video .header-contact:hover{background:#fff;color:#192b3b;border-color:#fff}
.header-home.on-video .menu-toggle{color:#fff}
.mobile-menu{background:#fff;backdrop-filter:none;-webkit-backdrop-filter:none}
.button-outline,.motion-toggle,.header-home:not(.scrolled) .header-contact{backdrop-filter:none;-webkit-backdrop-filter:none}
.motion-toggle{background:transparent}
dialog{background:#fff;backdrop-filter:none;-webkit-backdrop-filter:none}
body.menu-open .header-home.on-video{background:#fff;color:#192b3b;border-bottom-color:#dde4e9}
body.menu-open .header-home.on-video .menu-toggle{color:#192b3b}
body.menu-open .header-home.on-video .brand-logo img{filter:none}
/* White labels on the logo-cyan action buttons. */
.button-dark,.header-contact,.header-home.scrolled:not(.on-video) .header-contact{color:#fff}
.button-dark:hover,.header-contact:hover,.header-home.scrolled:not(.on-video) .header-contact:hover{background:#1689b5;border-color:#1689b5;color:#fff}
.header-home.on-video .header-contact:hover{background:#fff;border-color:#fff;color:#192b3b}
/* Photographic backgrounds and the verified leadership portrait. */
.cta{position:relative;overflow:hidden;isolation:isolate;min-height:390px}
.cta .cta-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 44%;z-index:0}
.cta:before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,18,27,.91),rgba(8,18,27,.4));z-index:1}
.cta>div,.cta>.button{position:relative;z-index:2}
.cta>div{max-width:720px;min-width:0}
.leader-photo{margin:36px 0 0}
.leader-photo img{aspect-ratio:1280/719;object-fit:cover;border-radius:16px}
.leader-photo figcaption{font-size:.75rem;color:var(--muted);line-height:1.5;margin-top:12px}
.leadership>div:last-child{padding-top:4px}
@media(max-width:700px){.cta{min-height:440px}.cta .cta-image{object-position:62% center}.cta:before{background:linear-gradient(90deg,rgba(8,18,27,.9),rgba(8,18,27,.6))}.leader-photo{margin-top:28px}}
.map-heading{position:relative;overflow:hidden;isolation:isolate;min-height:380px;padding-top:90px;padding-bottom:90px}
.map-heading .map-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 60%;z-index:0}
.map-heading:before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,18,27,.84),rgba(8,18,27,.32));z-index:1}
.map-heading>div{position:relative;z-index:2;min-width:0}
.map-heading .eyebrow,.map-heading .eyebrow>span{color:#fff}
@media(max-width:700px){.page-hero-image{object-position:70% center}.map-heading{min-height:390px;padding-top:60px;padding-bottom:60px}.map-heading:before{background:rgba(8,18,27,.6)}}
.page-hero h1{overflow-wrap:break-word}
@media(max-width:380px){.chapter-navigation button>span:last-child{font-size:.625rem}}
.responsibility-strip{isolation:isolate}
.responsibility-strip .responsibility-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 38%;z-index:0}
.responsibility-strip:before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,18,27,.88),rgba(8,18,27,.56));z-index:1}
.responsibility-strip:after{display:none}
.responsibility-strip>.eyebrow,.responsibility-strip .responsibility-inner{position:relative;z-index:2}
@media(max-width:700px){.responsibility-strip .responsibility-image{object-position:68% center}.responsibility-strip:before{background:rgba(8,18,27,.74)}}
/* Native language menu, shared across the three complete versions. */
.header-right{gap:14px}
.language-switch{position:relative;flex-shrink:0;color:inherit}
.language-switch summary{list-style:none;display:flex;align-items:center;justify-content:center;gap:7px;padding:11px 10px;min-height:44px;border:1px solid #9babb650;border-radius:12px;font-size:.875rem;font-weight:600;cursor:pointer}
.language-switch summary::-webkit-details-marker{display:none}
.language-switch summary svg{width:12px;height:12px;transition:transform .2s ease}
.language-switch[open] summary svg{transform:rotate(180deg)}
.language-options{position:absolute;top:calc(100% + 12px);right:0;min-width:160px;padding:7px;background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:14px;box-shadow:0 12px 36px #08121b1c}
.language-options a{display:block;padding:11px 12px;border-radius:8px;font-size:.875rem;line-height:1.4}
.language-options a:hover,.language-options a[aria-current]{background:#e7f5fc;color:#087fa9}
.menu-languages{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 0}
.menu-languages a{font-size:.875rem;padding:10px 13px;border:1px solid var(--line);border-radius:10px}
.menu-languages a[aria-current]{border-color:#21aae1;color:#087fa9}
.error-languages{display:flex;gap:20px;padding:24px 5.3vw;font-size:.9375rem}
@media(max-width:700px){.header-right{gap:9px}.language-switch summary{padding:10px 8px;gap:5px;font-size:.8125rem}.story-background video,.story-background img{object-position:72% center}}
/* Extra image coverage keeps the photo edges outside the scrolling frame. */
.page-hero-image.parallax-photo,.cta .cta-image.parallax-photo,.responsibility-strip .responsibility-image.parallax-photo,.map-heading .map-image.parallax-photo{inset:-38px 0 auto;height:calc(100% + 76px);transition:none}
@media(max-width:700px){.page-hero-image.parallax-photo,.cta .cta-image.parallax-photo,.responsibility-strip .responsibility-image.parallax-photo,.map-heading .map-image.parallax-photo{top:-26px;height:calc(100% + 52px)}}
@media(prefers-reduced-motion:reduce){.page-hero-image.parallax-photo,.cta .cta-image.parallax-photo,.responsibility-strip .responsibility-image.parallax-photo,.map-heading .map-image.parallax-photo{inset:0;height:100%;transform:none!important}}
@media(max-width:1200px){.desktop-nav{display:none}.menu-toggle{display:block}.mobile-menu{display:flex;position:fixed;inset:0;background:#fff;color:#192b3b;z-index:35;padding:130px 7vw 40px;flex-direction:column;overflow:auto;opacity:0;visibility:hidden;transform:translateY(-12px);transition:opacity .25s ease,transform .3s var(--ease),visibility .25s}.mobile-menu.open{opacity:1;visibility:visible;transform:none}.menu-label{font-size:.75rem;color:#087fa9;text-transform:uppercase;letter-spacing:.1em;margin-bottom:25px}.mobile-menu>a{font-size:clamp(1.4rem,3.8vw,2.2rem);line-height:1.3;padding:17px 10px;border-bottom:1px solid #dce5ef;display:flex;gap:25px;align-items:center}.mobile-menu>a>span{font-size:.75rem;color:#087fa9;width:20px}.mobile-menu>a.menu-mail{font-size:.9375rem;margin-top:25px;color:#427191;border:none;overflow-wrap:anywhere}}
@media(max-width:700px){.contact-grid{grid-template-columns:minmax(0,1fr)}.contact-info,.contact-form{min-width:0}}
@media(max-width:380px){html[lang="kk"] .chapter[data-chapter="2"] h2{font-size:clamp(1.75rem,9vw,2.25rem)}}