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.site-footer{background:#1f2e24;color:#dadfca;padding:52px var(--pad) 27px}.footer-main{display:flex;align-items:flex-end;justify-content:space-between;gap:50px;padding-bottom:38px;border-bottom:1px solid #83957730}.footer-wordmark{font-family:var(--serif);font-size:clamp(58px,8.4vw,124px);line-height:1;letter-spacing:-.03em}.footer-wordmark>span{display:inline-block;font-family:var(--sans);font-size:.46em;margin-left:25px;vertical-align:top}.footer-links{display:flex;gap:26px;font-size:10px;padding-bottom:8px}.footer-links a:hover{color:#fff4d8}.footer-bottom{padding-top:27px;display:flex;align-items:center;justify-content:space-between;gap:25px;font-size:8px;color:#a9b69e;line-height:1.8}.footer-bottom button{font-size:9px;color:#bdc8b2;border:0;padding:8px 0;background:none}.footer-bottom button:hover{color:#fff3d6}#readability-toggle>span{font-size:17px;margin-right:10px}
dialog{padding:0;border:0;color:var(--ink);background:var(--paper);max-width:calc(100vw - 44px);max-height:calc(100dvh - 44px)}dialog::backdrop{background:#0e1b16d9;backdrop-filter:blur(5px)}.dialog-close{position:absolute;top:15px;right:18px;width:42px;height:42px;border:1px solid #d2d4c6;border-radius:50%;background:var(--paper);color:var(--ink);font-family:Arial,sans-serif;font-size:30px;font-weight:300;line-height:1;z-index:5}.dialog-close:hover{background:#fff9e8}.story-dialog{width:1120px}.story-layout{display:grid;grid-template-columns:1.12fr 1fr;min-height:570px}.story-image-wrap{position:relative;background:#e5dfd1;display:flex;align-items:center;justify-content:center;min-width:0}.story-image-wrap>img{width:100%;max-height:620px;object-fit:contain}.story-image-controls{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:25px;padding:5px 8px;background:#f1ecdfeb;box-shadow:0 3px 12px #00000014;font-size:10px;white-space:nowrap}.story-image-controls[hidden]{display:none}.story-image-controls button{border:0;width:38px;height:35px;background:none;font-size:22px}.story-copy{padding:68px 42px 42px;overflow:auto}.story-copy>.eyebrow{font-size:8px;color:#7d886f;margin-bottom:20px}.story-copy h2{font-size:49px;line-height:.98;margin-bottom:24px;letter-spacing:-.025em}.story-copy #story-body>p{font-size:12px;line-height:1.9;color:#66755c;margin-top:15px}.story-copy #story-body>.source-note{font-size:9px;line-height:1.8;color:#909a83}.story-copy .text-link{margin-top:22px;font-size:11px}.story-copy a:hover{text-decoration:underline}.story-dialog.no-image .story-layout{grid-template-columns:1fr;min-height:auto}.story-dialog.no-image{max-width:700px}.story-dialog.no-image .story-image-wrap{display:none}.story-dialog.no-image .story-copy{padding:62px 60px}
.panorama-dialog{width:1280px;background:#19291f;color:#e9e7d8}.panorama-header{position:relative;padding:24px 30px;display:flex;justify-content:space-between;align-items:center}.panorama-header .eyebrow{font-size:8px;color:#aab79a;margin-bottom:5px}.panorama-header h2{font-size:33px}.panorama-header .dialog-close{top:25px}.panorama-viewport{height:min(58dvh,600px);position:relative;overflow:auto;scrollbar-width:thin;scrollbar-color:#899b76 #233527;cursor:grab;touch-action:pan-x pan-y;overscroll-behavior:contain;background:#102018}.panorama-viewport.dragging{cursor:grabbing;user-select:none}.panorama-viewport img{max-width:none;display:block;width:100%;height:auto;user-select:none;-webkit-user-drag:none}.panorama-toolbar{padding:15px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px}.panorama-toolbar>p{font-size:10px;color:#bbc7aa}.zoom-controls{display:flex;align-items:center;gap:10px}.zoom-controls button{background:none;color:#e7e8d6;border:1px solid #728566;min-width:36px;height:36px;font-size:22px}.zoom-controls output{font-size:10px;min-width:42px;text-align:center}.zoom-controls #panorama-reset{font-size:9px;padding:0 12px;margin-left:8px}.panorama-note{font-size:8px;color:#899e7a;padding:0 28px 20px}.noscript-note{padding:25px var(--pad);font-size:13px}.large-text{font-size:18px}.large-text .intro-copy p,.large-text .exhibition-text p,.large-text .family-copy>p:not(.eyebrow),.large-text .era-copy>p:not(.eyebrow),.large-text .memory-body>p,.large-text .visit-place address,.large-text .visit-aside p,.large-text .story-copy #story-body>p{font-size:17px}.large-text .main-nav,.large-text .text-link{font-size:14px}.large-text .hero-description{font-size:17px}
@keyframes train-journey{0%{transform:translateX(calc(-100% - 80px))}74%,100%{transform:translateX(calc(100vw + 80px))}}@keyframes wheel-turn{to{transform:rotate(360deg)}}@keyframes coupling{0%,100%{transform:translate(0,0)}25%{transform:translate(-21px,-21px)}50%{transform:translate(0,-42px)}75%{transform:translate(21px,-21px)}}@keyframes steam{0%{transform:translate(0,0) scale(.7);opacity:0}12%{opacity:.3}70%{opacity:.14}100%{transform:translate(-220px,-125px) scale(4.5);opacity:0}}@keyframes piston{0%,100%{opacity:0;transform:scaleX(.7)}20%{opacity:.18}70%{opacity:0;transform:translateX(-70px) scaleX(2)}}@keyframes jostle{from{transform:translateY(0)}to{transform:translateY(.8px)}}@keyframes archive-breath{from{transform:scale(1)}to{transform:scale(1.035)}}@keyframes reveal{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1700px){.hero-content{padding-top:105px}.hero-description{font-size:15px}.hero-content .eyebrow{font-size:11px}.hero-photo{right:0}.hero-wash{background:linear-gradient(90deg,#1e2921 0%,#1e2921 27%,#1e2921e6 42%,#1e292166 58%,transparent 85%)}}
@media(max-width:1150px){.site-header{height:92px;gap:20px}.brand-type strong{font-size:30px}.brand-mark{width:34px;height:45px;font-size:37px;line-height:42px}.brand-type small{font-size:7px}.main-nav{gap:17px;font-size:10px}.main-nav .nav-visit{gap:15px;padding:12px;margin-left:0}.hero{height:680px}.hero-content{padding-top:76px}.hero h1{font-size:90px}.hero-photo{right:-8%}.hero-year{display:none}.scroll-cue{display:none}.intro-main{gap:45px}.intro-main h2{font-size:59px}.exhibition-text{display:block}.location-label{display:block;text-align:left;max-width:none;margin-top:13px}.exhibition-secondary{padding-top:45px}.gallery-title{font-size:27px}.gallery-row{grid-template-columns:.75fr 1.5fr 1fr 25px;gap:15px}.family-feature{gap:50px}.era-tabs button{font-size:23px;gap:12px}.visit-grid{gap:28px}.visit-place h3{font-size:25px}.phone{font-size:13px}.footer-links{gap:18px}.story-copy{padding-left:30px;padding-right:30px}.story-copy h2{font-size:43px}}
@media(max-width:900px){.main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:22px var(--pad) 30px;align-items:stretch;gap:0;box-shadow:0 25px 30px #15291c22}.main-nav.is-open{display:flex;flex-direction:column}.main-nav a{font-size:15px;padding:15px 0;border-bottom:1px solid var(--line)}.main-nav .nav-visit{padding:17px 20px;margin-top:15px;justify-content:space-between}.menu-toggle{display:flex;align-items:center;gap:13px;border:0;background:none;padding:12px 0;font-size:10px}.menu-lines{display:block;width:24px;height:12px;border-top:1px solid currentColor;border-bottom:1px solid currentColor}.menu-toggle[aria-expanded=true] .menu-lines{height:0;transform:rotate(45deg)}.hero-photo{right:-20%;opacity:.8}.hero-wash{background:linear-gradient(90deg,#1e2921 0%,#1e2921d9 36%,#1e292133 100%)}.hero h1{font-size:86px}.train-travel{width:1400px}.chapter-ribbon{gap:26px}.chapter-ribbon>.eyebrow{display:none}.intro-main{grid-template-columns:1fr 1fr;gap:35px}.intro-main h2{font-size:51px}.intro-copy p{font-size:12px}.section-pad{padding-top:68px;padding-bottom:68px}.exhibitions{padding-top:0}.section-heading h2{font-size:44px}.exhibition-grid{gap:23px}.exhibition-picture{aspect-ratio:1.05}.exhibition-secondary .exhibition-picture{aspect-ratio:1.05}.exhibition-text h3{font-size:29px}.image-label{left:17px;font-size:7px;bottom:25px}.round-arrow{right:14px;bottom:16px;width:36px;height:36px;font-size:21px}.gallery-row{grid-template-columns:.7fr 2fr 25px}.gallery-subtitle{display:none}.family-feature{grid-template-columns:1fr 1fr;gap:35px}.family-copy h2{font-size:50px}.family-copy>p:not(.eyebrow){font-size:11px}.family-copy>.eyebrow{font-size:7px}.era-tabs button{font-size:21px;gap:10px}.era-panel{gap:40px}.era-copy h3{font-size:37px}.era-copy>p:not(.eyebrow){font-size:11px}.living-section{min-height:550px}.living-content{padding-top:128px;gap:40px}.living-content h2{font-size:90px}.living-content p{font-size:11px}.memory-section{gap:45px}.memory-title h2{font-size:102px}.memory-search input{font-size:22px}.visit-grid{grid-template-columns:1fr 1fr}.visit-aside{grid-column:1/-1;display:grid;grid-template-columns:.8fr 1fr 1fr;align-items:start;column-gap:30px;padding-top:25px;margin-top:10px}.visit-aside>.small-star{display:none}.visit-aside .museum-email{grid-column:3;margin-top:0}.visit-aside h3{grid-row:span 2}.visit-aside p{grid-row:span 2}.site-footer{padding-top:40px}.footer-main{align-items:flex-start;flex-direction:column;gap:27px}.footer-links{gap:30px}.story-layout{grid-template-columns:1fr;min-height:auto}.story-image-wrap>img{max-height:44dvh;width:100%;object-fit:contain}.story-copy{padding:32px}.story-copy h2{font-size:40px}.story-image-wrap{padding:0 0 1px}.story-image-controls{bottom:10px}.story-dialog.no-image .story-copy{padding:60px 34px 34px}.panorama-header h2{font-size:28px}.panorama-viewport{height:50dvh}}
@media(max-width:600px){:root{--pad:23px}.site-header{height:84px}.brand{gap:11px}.brand-type strong{font-size:29px}.brand-type small{font-size:6.5px;letter-spacing:.08em}.brand-mark{width:29px;height:40px;font-size:33px;line-height:38px}.brand-mark:after{inset:4px}.menu-toggle>span:first-child{display:none}.hero{height:740px;min-height:0}.hero-content{padding:51px var(--pad) 0;max-width:100%}.hero-content>.eyebrow{font-size:7.5px;letter-spacing:.14em;margin-bottom:29px;gap:10px}.hero h1{font-size:clamp(59px,12.8vw,78px);line-height:.94;margin-bottom:23px;letter-spacing:-.04em}.hero-description{font-size:11px;line-height:1.8;margin-bottom:25px}.primary-action{padding:14px 18px;min-width:185px;font-size:11px}.hero-photo{height:auto;width:100%;top:auto;bottom:55px;right:0;max-width:none;opacity:.92;animation:none}.hero-wash{background:linear-gradient(180deg,#1e2921 0%,#1e2921 36%,#1e2921c9 48%,#1e292133 67%,#1e292100 83%)}.hero-content .primary-action{position:relative}.train-travel{width:1100px;bottom:58px;animation-duration:32s;animation-delay:-7s}.railway-stage{mask-image:none}.railway-track{bottom:81px}.hero-bottom-shade{inset:65% 0 0;background:linear-gradient(0deg,#16241c 0%,#16241cc9 25%,transparent 65%)}.hero-bottom{left:var(--pad);right:var(--pad);bottom:17px;flex-wrap:wrap;gap:14px}.hero-controls{gap:17px;order:2;width:100%;justify-content:space-between}.hero-controls button{font-size:9px;min-height:30px;padding:3px 0}.archive-caption{width:100%;font-size:10px;justify-content:flex-start;gap:12px}.archive-caption small{font-size:7px;margin-top:2px}.archive-caption>span:last-child{margin-left:auto}.caption-dot{margin-left:5px}.motion-icon{width:24px;height:24px}.hero-bottom-shade{z-index:3}.hero-grain{opacity:.08}.chapter-ribbon{min-height:65px;padding:15px var(--pad);gap:19px}.chapter-ribbon>span:not(.eyebrow){font-size:18px}.chapter-ribbon i{font-size:7px}.section-pad{padding-top:53px;padding-bottom:53px}.section-kicker{gap:14px;margin-bottom:25px}.section-kicker .eyebrow{font-size:8px}.section-number{width:25px;height:25px;font-size:9px}.intro-main{grid-template-columns:1fr;gap:27px}.intro-main h2{font-size:54px;line-height:1}.intro-copy{padding-top:0;max-width:100%}.intro-copy p{font-size:12px;line-height:1.9}.intro-copy .text-link{margin-top:14px}.text-link{font-size:11px}.section-heading{align-items:flex-start;margin-bottom:27px;gap:20px}.section-heading .eyebrow{font-size:8px;margin-bottom:10px}.section-heading h2{font-size:38px;max-width:280px}.section-counter{font-size:8px;white-space:nowrap;margin-top:30px}.exhibitions{padding-top:0}.exhibition-grid{grid-template-columns:1fr;gap:34px}.exhibition-picture{aspect-ratio:1.14}.exhibition-secondary{padding-top:0}.exhibition-secondary .exhibition-picture{aspect-ratio:1.25}.exhibition-text{padding-top:18px}.exhibition-text h3{font-size:33px;margin-bottom:8px}.exhibition-text p{font-size:11px}.location-label{font-size:8px;margin-top:9px}.image-label{font-size:8px}.round-arrow{width:42px;height:42px}.gallery-row{margin-top:31px;padding:22px 0;grid-template-columns:1fr 27px;row-gap:10px}.gallery-index{grid-column:1;font-size:8px}.gallery-title{grid-column:1;font-size:28px;line-height:1.1}.gallery-arrow{grid-column:2;grid-row:1/3}.family-feature{grid-template-columns:1fr;gap:43px;padding-left:28px;padding-right:28px}.family-copy h2{font-size:55px}.family-copy>.eyebrow{font-size:8px;margin-bottom:17px}.family-copy>p:not(.eyebrow){font-size:12px}.family-copy .text-link{margin-top:18px}.family-photo-frame{padding:10px 10px 0}.photo-caption{font-size:7px;padding:12px 2px}.chronicle-hint{display:none}.era-tabs{gap:0;grid-template-columns:repeat(4,1fr)}.era-tabs button{font-size:16px;line-height:1.15;display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:8px;padding:17px 5px 18px 0;min-height:86px}.era-tabs button>span{font-size:8px}.era-panel{grid-template-columns:1fr;gap:27px;padding-top:35px;min-height:0}.era-display{align-items:flex-start;flex-direction:row;gap:25px}.era-number{font-size:99px;line-height:.9}.era-period{margin-top:0;align-self:center;max-width:120px;font-size:8px;line-height:1.8}.era-copy h3{font-size:35px;margin-bottom:14px}.era-copy>p:not(.eyebrow){font-size:12px}.era-copy .text-link{margin-top:10px}.living-section{min-height:550px}.living-photo{object-position:30% center}.living-top{padding:24px var(--pad);gap:15px}.living-top>.eyebrow{font-size:7px;letter-spacing:.12em;max-width:120px}.panorama-label{font-size:7px;padding:9px 11px}.living-content{grid-template-columns:1fr;gap:28px;padding:70px var(--pad) 30px}.living-content h2{font-size:89px;line-height:.84}.living-content p{font-size:11px;margin-bottom:21px}.living-content .primary-action{min-width:190px}.living-bottom{padding:18px var(--pad);font-size:7px;line-height:1.8;gap:22px}.living-bottom>span{max-width:165px}.memory-section{grid-template-columns:1fr;gap:35px}.memory-title .eyebrow{font-size:7px}.memory-title h2{font-size:112px}.memory-title>p:last-child{font-size:27px;margin-top:7px}.memory-body>p{font-size:12px;margin-bottom:21px}.memory-search{gap:8px;height:55px}.memory-search input{font-size:23px}.memory-suggestions{font-size:8px;gap:14px;margin-bottom:18px}.memory-suggestions button{font-size:9px}.memory-external{font-size:8px}.visit-section .section-heading{display:block;margin-bottom:34px}.visit-section h2{font-size:54px;max-width:none}.visit-intro{font-size:11px;margin-top:22px}.visit-grid{grid-template-columns:1fr;gap:32px}.visit-place{padding-top:21px}.place-index{margin-bottom:14px}.visit-place h3{font-size:30px;margin-bottom:14px}.visit-place address{font-size:12px;margin-bottom:15px}.phone{font-size:17px}.visit-caption{font-size:8px;margin-bottom:17px}.visit-place .text-link{font-size:11px}.visit-aside{grid-column:auto;display:block;margin-top:0}.visit-aside>.small-star{display:block}.visit-aside h3{font-size:35px}.visit-aside p{max-width:100%;font-size:12px}.visit-aside .text-link{font-size:11px}.visit-aside .museum-email{margin-top:18px;font-size:11px}.site-footer{padding-top:35px;padding-bottom:24px}.footer-wordmark{font-size:67px}.footer-wordmark>span{margin-left:15px}.footer-main{padding-bottom:27px;gap:27px}.footer-links{display:grid;grid-template-columns:1fr 1fr;gap:15px 38px;font-size:10px}.footer-bottom{display:grid;grid-template-columns:1fr 1fr;gap:17px 20px;padding-top:24px;font-size:7px}.footer-bottom button{font-size:8px;text-align:left}.footer-bottom>span{text-align:right}.footer-bottom p{font-size:7px}.story-dialog{max-width:calc(100vw - 22px);max-height:calc(100dvh - 24px)}.story-copy{padding:26px 24px}.story-copy h2{font-size:39px;margin-bottom:18px}.story-copy #story-body>p{font-size:12px}.story-copy .text-link{font-size:10px;margin-top:16px}.story-copy>.eyebrow{margin-bottom:14px}.dialog-close{width:37px;height:37px;top:10px;right:10px;font-size:27px}.story-image-wrap>img{max-height:38dvh}.story-dialog.no-image .story-copy{padding:58px 25px 30px}.panorama-dialog{max-width:calc(100vw - 16px);max-height:calc(100dvh - 22px)}.panorama-header{padding:20px}.panorama-header .dialog-close{top:22px;right:14px}.panorama-header h2{font-size:28px}.panorama-viewport{height:48dvh}.panorama-toolbar{padding:15px 18px;flex-direction:column;align-items:flex-start;gap:14px}.panorama-toolbar>p{font-size:9px}.panorama-note{padding:0 18px 18px;font-size:8px}.zoom-controls{width:100%;gap:13px}.zoom-controls #panorama-reset{margin-left:auto}.large-text .hero h1{font-size:54px}.large-text .hero-description{font-size:13px}.large-text .main-nav{font-size:16px}.large-text .intro-copy p,.large-text .memory-body>p,.large-text .family-copy>p:not(.eyebrow){font-size:16px}}
@media(max-width:360px){:root{--pad:18px}.hero h1{font-size:57px}.hero{height:710px}.brand-type strong{font-size:27px}.brand-type small{font-size:6px}.chapter-ribbon{gap:15px}.chapter-ribbon>span:not(.eyebrow){font-size:17px}.era-tabs button{font-size:14px}.memory-search input{font-size:21px}.footer-wordmark{font-size:58px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.intro-item{animation:none}.hero-photo,.train-travel,.drive-wheel,.car-wheel,.coupling-rod,.smoke,.piston-steam,.engine-body{animation-play-state:paused}.motion-enabled .hero-photo,.motion-enabled .train-travel,.motion-enabled .drive-wheel,.motion-enabled .car-wheel,.motion-enabled .coupling-rod,.motion-enabled .smoke,.motion-enabled .piston-steam,.motion-enabled .engine-body{animation-play-state:running}*,*:before,*:after{transition-duration:0s!important}}

/* Osipovichi station video: one complete playback, then hold the last frame. */
[hidden]{display:none!important}
.hero-poster,.hero-video{position:absolute;right:0;top:0;width:auto;height:100%;max-width:none;object-fit:contain;aspect-ratio:1648/1248}
.hero-poster{z-index:0}.hero-video{z-index:1}
.hero-wash{background:linear-gradient(90deg,#1e2921 0%,rgba(30,41,33,.99) 23%,rgba(30,41,33,.88) 36%,rgba(30,41,33,.22) 57%,transparent 75%)}
.hero-year{display:none}
.hero-bottom-shade{background:linear-gradient(0deg,rgba(22,36,28,.92),rgba(22,36,28,.18) 27%,transparent 54%)}
.hero-grain{opacity:.06}
@media(min-width:1700px){.hero-wash{background:linear-gradient(90deg,#1e2921 0%,#1e2921 35%,#1e2921d9 47%,#1e292140 65%,transparent 84%)}}
@media(max-width:1100px){
 .hero{height:auto;min-height:0;display:flex;flex-direction:column}
 .hero-content{order:1;padding:38px var(--pad) 34px;max-width:none}
 .hero-content>.eyebrow{margin-bottom:23px;font-size:9px}
 .hero h1{font-size:clamp(54px,8.4vw,84px);line-height:.94;margin-bottom:22px}
 .hero-description{font-size:13px;line-height:1.7;margin-bottom:24px}
 .hero .archive-layer{order:2;position:relative;inset:auto;width:100%;height:auto;aspect-ratio:1648/1248;flex:none}
 .hero-poster,.hero-video{width:100%;height:100%;right:0;top:0}
 .hero-wash,.hero-bottom-shade{display:none}
 .hero-bottom{order:3;position:relative;left:auto;right:auto;bottom:auto;padding:14px var(--pad) 20px;display:flex;align-items:flex-start;gap:12px;flex-wrap:wrap}
 .hero-controls{gap:24px;flex:1 0 190px}
 .hero-controls button{font-size:10px;padding:4px 0;min-height:36px}
 .archive-caption{font-size:10px}
 .archive-caption small{font-size:8px}
 .scroll-cue{display:none}
 .large-text .hero h1{font-size:clamp(54px,8.4vw,84px)}
}
@media(max-width:600px){
 .hero-content{padding:30px var(--pad)}
 .hero-content>.eyebrow{font-size:7px;letter-spacing:.17em;margin-bottom:20px}
 .hero h1{font-size:clamp(47px,12.9vw,65px);margin-bottom:18px}
 .hero-description{font-size:12px;line-height:1.75;margin-bottom:22px}
 .hero .primary-action{padding:13px 18px;font-size:11px;min-width:190px}
 .hero-bottom{padding:12px var(--pad) 18px;gap:11px}
 .hero-controls{flex:1 0 100%;justify-content:space-between}
 .archive-caption{border-top:1px solid #5b665444;width:100%;padding-top:12px}
 .archive-caption>span:last-child{margin-left:auto}
 .large-text .hero h1{font-size:clamp(47px,12.9vw,65px)}
 .large-text .hero-description{font-size:14px}
}