/* Photo chapters: one compact subject in each normal viewport. */
html.ei-section-scroll{--field-header:104px;--field-edge:clamp(24px,6vw,104px)}
.field-chapters{color:#fff;background:#14191d;font-family:"IBM Plex Sans",Arial,sans-serif}
.field-panel{position:relative;isolation:isolate;box-sizing:border-box;min-height:var(--chapter-height,100svh);padding:calc(var(--field-header) + 38px) var(--field-edge) 108px;display:grid;align-items:center;color:#fff;background:#171c21;scroll-snap-align:start;scroll-snap-stop:always}
.field-backdrop{position:absolute;z-index:-3;inset:0 0 0 auto;width:64%;display:block;pointer-events:none;background:#30383e}
.field-backdrop img{display:block;width:100%;height:100%;object-fit:cover;object-position:var(--field-position,50% 50%)}
.field-panel::before{content:"";position:absolute;z-index:-2;inset:0;pointer-events:none;background:linear-gradient(90deg,#11171cf5 0%,#11171ce8 27%,#11171cc4 43%,#10161c4d 76%,#10161c18),linear-gradient(0deg,#0b1119d4,transparent 35%,#0b11193b)}
.field-body{width:100%;max-width:1120px;margin:0 auto;position:relative}
.field-kicker{margin:0 0 17px;font:500 11px/1.5 "IBM Plex Mono",monospace;letter-spacing:.13em;text-transform:uppercase;color:#ffb5c0}
.field-panel h2{margin:0;max-width:790px;font:600 clamp(38px,5.4vw,78px)/1.02 "IBM Plex Sans",Arial,sans-serif;letter-spacing:-.045em;color:#fff;text-wrap:balance}
.field-lead{max-width:560px;margin:19px 0 28px;color:#e2e5e7;font-size:17px;line-height:1.55}
.field-photo-caption{margin:22px 0 0;max-width:600px;color:#c3c9cd;font-size:11px;line-height:1.5;letter-spacing:.02em}
.field-index{max-width:650px;border-top:1px solid #ffffff5e;margin-top:25px}
.field-index>a{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 20px;align-items:center;border-bottom:1px solid #ffffff5e;padding:14px 0 15px;text-decoration:none;color:#fff;min-height:60px}
.field-index strong{font-weight:500;font-size:19px;line-height:1.2;letter-spacing:-.01em;grid-column:1}
.field-index span{grid-column:1;color:#cbd2d7;font:400 12px/1.45 "IBM Plex Mono",monospace}
.field-index .field-part-number{white-space:nowrap}
.field-index b{grid-column:2;grid-row:1/3;font-size:22px;font-weight:400;color:#f6b0bd}
.field-index>a:hover strong{text-decoration:underline;text-decoration-color:#f7b9c3;text-underline-offset:5px}
.field-related{max-width:650px;margin:14px 0 0;font-size:12px;color:#cbd2d7;line-height:1.5}
.field-related a,.field-about{color:#fff;text-decoration:underline;text-underline-offset:4px;text-decoration-color:#ffffff94}
.field-related>a:hover,.field-about:hover{color:#ffc5ce}
.field-panel a:focus-visible,.field-panel button:focus-visible{outline:2px solid #fff;outline-offset:5px}
.field-steps{position:absolute;left:var(--field-edge);right:var(--field-edge);bottom:20px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid #ffffff4f;padding-top:3px;font-size:12px;line-height:1.3}
.field-steps a{display:inline-flex;align-items:center;gap:10px;min-height:44px;color:#fff;text-decoration:none}
.field-steps a:hover{text-decoration:underline;text-underline-offset:4px}
.field-scene .field-body{align-self:end;padding-bottom:30px}
.field-scene h2{font:600 clamp(68px,9vw,136px)/.94 "EI Display","Arial Narrow",Impact,sans-serif;letter-spacing:-.015em;text-transform:uppercase;max-width:900px}
.field-scene-link{display:inline-flex;align-items:flex-end;gap:38px;text-decoration:none;max-width:100%}
.field-scene-link>span{font-size:40px;line-height:1;padding-bottom:4px}
.field-scene .field-photo-caption{font-size:13px;margin-top:22px;color:#e4e7e9}
.field-feature .field-lead,.field-close .field-lead{max-width:540px;font-size:19px;margin-block:25px 30px}
.field-action{display:inline-flex;justify-content:space-between;align-items:center;gap:32px;min-height:49px;padding:8px 0;border-bottom:1px solid #ffffffa3;font:600 15px/1.35 "IBM Plex Sans",Arial,sans-serif;color:#fff;text-decoration:none;cursor:pointer}
.field-action>span{font-size:25px;line-height:1}
.field-action-red{background:#c8102e;border:1px solid #f36981;border-radius:3px;padding-inline:18px}
.field-action-red:hover{background:#ad0d27}
.field-close-actions{display:flex;align-items:center;flex-wrap:wrap;gap:18px 28px}
.field-about{display:inline-block;margin-top:25px;font-size:14px;line-height:1.5}
.field-makes{margin:24px 0 21px;max-width:650px;display:grid;gap:15px}
.field-makes p{margin:0;font-size:18px;line-height:1.5;color:#f2f3f4}
.field-makes p>span{display:block;color:#b8c1c8;font:500 10px/1.5 "IBM Plex Mono",monospace;letter-spacing:.1em;text-transform:uppercase;margin-bottom:4px}
.field-makes a{color:#fff;text-decoration:underline;text-decoration-color:#ffffff80;text-underline-offset:4px}
.field-qualification{max-width:650px;margin:19px 0 0;font-size:12px;line-height:1.5;color:#c8d0d6}
.field-makers .field-photo-caption{margin-top:12px}
/* The opener still uses the existing film player and exact crest artwork. */
.opening-poster img{object-position:50% 32%}
@media(max-width:1100px){.field-backdrop{width:72%}.field-panel h2{font-size:clamp(38px,6vw,68px)}.field-scene h2{font-size:clamp(70px,10vw,112px)}}
@media(max-width:700px){
 html.ei-section-scroll{--field-header:90px;--field-edge:24px}
 .field-panel{padding:calc(var(--field-header) + 30px) var(--field-edge) 94px;align-items:center;min-height:var(--chapter-height,100svh)}
 .field-backdrop{inset:0;width:100%}
 .field-panel::before{background:linear-gradient(0deg,#0c141cec 0%,#0d151ddf 20%,#101821bf 48%,#10182172 78%,#10182185),linear-gradient(90deg,#0f161c72,transparent 95%)}
 .field-kicker{margin-bottom:17px;font-size:10px;letter-spacing:.11em}
 .field-panel h2{font-size:clamp(33px,9.5vw,45px);max-width:100%;line-height:1.04;letter-spacing:-.035em}
 .field-lead{margin:17px 0 21px;max-width:100%;font-size:15px;line-height:1.45}
 .field-index{margin-top:21px;max-width:100%}
 .field-index>a{padding:13px 0;gap:5px 14px;min-height:67px}
 .field-index strong{font-size:17px;line-height:1.2}
 .field-index span{font-size:10.5px;line-height:1.5}
 .field-index b{font-size:23px}
 .field-related{margin-top:12px;font-size:11px;line-height:1.6}
 .field-photo-caption{font-size:10px;margin-top:17px}
 .field-steps{bottom:14px;font-size:11px;gap:10px;left:24px;right:24px}
 .field-steps a{min-height:45px;gap:6px}
 .field-scene .field-body{padding-bottom:33px}
 .field-scene h2{font:600 clamp(54px,15.5vw,72px)/.98 "EI Display","Arial Narrow",Impact,sans-serif;letter-spacing:-.01em}
 .field-scene .field-kicker{margin-bottom:18px}
 .field-scene-link{gap:14px;max-width:100%}
 .field-scene-link>span{font-size:30px}
 .field-scene .field-photo-caption{font-size:12px;max-width:270px;margin-top:18px}
 #power-distribution-photo .field-backdrop img{object-position:50% 50%}
 #fabrication .field-backdrop img{object-position:52% 50%}
 .field-feature .field-lead,.field-close .field-lead{font-size:17px;margin-block:22px 27px;max-width:100%}
 .field-action{font-size:14px;gap:22px;min-height:47px}
 .field-close-actions{gap:15px 24px}
 .field-about{font-size:13px;margin-top:24px}
 .field-makes{gap:14px;margin:23px 0 18px}
 .field-makes p{font-size:16px;line-height:1.4}
 .field-makes p>span{font-size:9px;margin-bottom:5px}
 .field-qualification{font-size:11px;line-height:1.5;margin-top:18px}
 .opening-poster img{object-position:50% 50%}
}
/* At short heights or increased text size, grow the chapter instead of clipping it. */
@media(max-height:650px){
 html.ei-section-scroll{scroll-snap-type:y proximity}
 .field-panel{min-height:var(--chapter-height,100vh);padding-top:calc(var(--field-header) + 25px);padding-bottom:92px;scroll-snap-stop:normal}
 .field-panel h2{font-size:clamp(30px,5.8vw,54px)}
 .field-scene h2{font-size:clamp(50px,9vw,80px)}
 .field-index>a{padding-block:11px}
 .field-scene .field-body{padding-bottom:10px}
}
@media(prefers-reduced-motion:reduce){html.ei-section-scroll{scroll-snap-type:none}.field-panel{scroll-snap-stop:normal}}
/* A single secondary film loads only when its own chapter is in view. */
.field-clip{position:absolute;z-index:-3;inset:0 0 0 auto;width:64%;height:100%;object-fit:cover;object-position:50% 48%;opacity:0;pointer-events:none;transition:opacity .35s}
.field-panel.has-field-frame .field-clip{opacity:1}
.field-motion{position:absolute;right:var(--field-edge);top:calc(var(--field-header) + 19px);display:inline-flex;align-items:center;gap:12px;padding:8px 0;min-height:44px;color:#fff;font:500 11px/1.25 "IBM Plex Sans",Arial,sans-serif;text-shadow:0 1px 6px #0009;border-bottom:1px solid #ffffff7d;cursor:pointer}
.field-motion [data-field-motion-icon]{font-size:17px;min-width:15px}
.field-motion:disabled{opacity:.65;cursor:default}
.field-chapters#equipment-photos{padding:0}
@media(max-width:1100px){.field-clip{width:72%}}
@media(max-width:700px){.field-clip{inset:0;width:100%}.field-motion{font-size:10px;top:calc(var(--field-header) + 8px);right:24px;gap:8px}}
@media(prefers-reduced-motion:reduce){.field-clip{transition:none}}
/* Short phone viewports keep the catalog facts, links and chapter navigation together. */
@media(max-width:700px) and (max-height:760px){
 .field-panel:not(.field-scene) .field-kicker,
 .field-catalog .field-lead,
 .field-panel:not(.field-scene) .field-photo-caption{display:none}
 .field-catalog .field-index{margin-top:15px}
 .field-index>a{padding-block:11px;min-height:61px}
 .field-related{margin-top:10px}
 .field-makers .field-makes{gap:10px;margin:16px 0 12px}
 .field-makers .field-qualification{margin-top:12px}
 .field-feature .field-action{margin-top:22px}
 .field-close .field-close-actions{margin-top:22px}
}
@media(min-width:701px){
 .field-backdrop,.field-clip{-webkit-mask-image:linear-gradient(to right,transparent,#000 16%);mask-image:linear-gradient(to right,transparent,#000 16%)}
}
@media(max-width:700px){.field-index span{font-size:12px}}
@media(max-width:700px) and (max-height:650px){.field-index span{font-size:11px}}
/* The final contact/legal stop follows the same screen rhythm. */
html.ei-section-scroll .site-footer[data-scroll-stop]{min-height:var(--chapter-height,100svh);display:flex;flex-direction:column;justify-content:center;scroll-snap-align:start}
@media(max-width:700px) and (max-height:650px){.site-footer .footer-business>p:first-child{display:none}}

/* Cinematic cleanup: retain the subject, identifiers and buyer action without chapter chrome. */
.field-panel{padding-bottom:calc(58px + var(--chapter-reveal,0px))}
.field-panel h2{font-size:clamp(41px,5.8vw,84px)}
.field-scene h2{font-size:clamp(73px,9.6vw,145px)}
.field-lead{font-size:18px}
.field-index strong{font-size:20.5px}
.field-index span{font-size:13px}
.field-action{font-size:16px}
.field-feature .field-lead,.field-close .field-lead{font-size:20px}
.field-makes p{font-size:19px}
.field-qualification{font-size:13px}
.field-scene .field-body{padding-bottom:12px}
.opening .film-title>span{white-space:normal;text-wrap:balance}
.opening .film-title>span+span{padding-left:0}
.opening .film-summary{font-size:clamp(16px,1.45vw,20px)}
.opening .film-links a{font-size:14px;min-height:48px}
body.ei-cinema .site-header .header-actions>.mobile-menu{display:flex;align-items:center}
.nav-dialog .menu-motion-control{justify-content:space-between;width:100%;min-height:48px;margin-top:12px;border-top:1px solid #ffffff45;font:400 14px/1.4 "IBM Plex Sans",Arial,sans-serif;text-transform:none;letter-spacing:0;text-align:left}
html.ei-section-scroll body.ei-cinema footer.site-footer.ei-compact-footer[data-scroll-stop]{min-height:100vh!important;min-height:100lvh!important;height:auto!important;display:flex!important;flex-direction:column;justify-content:center;align-items:center;padding:140px 0 32px!important;margin:0!important;scroll-margin-top:0;scroll-snap-align:start;scroll-snap-stop:always}
@media(max-width:700px){
 .field-panel{padding-bottom:calc(44px + var(--chapter-reveal,0px))}
 .field-panel h2{font-size:clamp(35px,10.15vw,48px)}
 .field-scene h2{font-size:clamp(58px,16.55vw,77px)}
 .field-lead{font-size:16px}
 .field-index strong{font-size:18px}
 .field-index span{font-size:12.5px}
 .field-action{font-size:15px}
 .field-feature .field-lead,.field-close .field-lead{font-size:18px}
 .field-makes p{font-size:17px}
 .field-makes p>span{font-size:10px}
 .field-qualification{font-size:12px}
 .field-scene .field-body{padding-bottom:15px}
 .opening .film-summary{font-size:16px}
 .opening .film-links a{font-size:13px;min-height:46px}
 html.ei-section-scroll body.ei-cinema footer.site-footer.ei-compact-footer[data-scroll-stop]{padding:126px 0 24px!important}
}
@media(max-width:700px) and (max-height:650px){
 .field-panel{padding-top:calc(var(--field-header) + 22px);padding-bottom:calc(32px + var(--chapter-reveal,0px))}
 .field-panel h2{font-size:32px}
 .field-scene h2{font-size:54px}
 .field-index strong{font-size:17.5px}
 .field-index span{font-size:11.5px}
 .field-qualification{font-size:11.5px}
}

/* The human headline keeps the established condensed face and can wrap on phones. */
.opening .film-title{font-size:clamp(76px,8.25vw,150px)}
@media(max-width:700px){.opening .film-title{font-size:clamp(43px,12.7vw,88px)}}
@media(max-width:700px) and (max-height:650px){.opening .film-title{font-size:clamp(40px,12.5vw,56px)}.opening .opening-copy{padding-top:110px;padding-bottom:84px}}
@media(max-width:360px){.field-scene-link>span{display:none}}
/* At the native End position, the footer stays below the fixed phone header even when browser bars reduce the visible area. */
@media(max-width:700px){html.ei-section-scroll body.ei-cinema footer.site-footer.ei-compact-footer[data-scroll-stop]{justify-content:flex-end}}

/* One reading axis for equipment lists; one shared title treatment for photo scenes. */
.field-catalog .field-body,.field-makers .field-body{max-width:760px;text-align:center}
.field-catalog h2,.field-makers h2{max-width:760px;margin-inline:auto;font-size:clamp(42px,5vw,70px);line-height:1.04;text-wrap:balance}
.field-catalog .field-lead,.field-makers .field-qualification{margin-inline:auto}
.field-index{margin-inline:auto;max-width:720px;margin-top:28px}
.field-index>a{position:relative;display:flex;flex-direction:column;justify-content:center;gap:7px;min-height:86px;padding:17px 36px;text-align:center}
.field-index strong{font-size:clamp(20px,1.8vw,26px);line-height:1.25}
.field-index span{font-size:14px;line-height:1.5;text-wrap:balance}
.field-index b{position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:24px}
.field-related{margin:18px auto 0;font-size:14px;line-height:1.6}
.field-makes{margin:28px auto 24px;gap:22px;max-width:720px}
.field-makes p{font-size:clamp(20px,1.8vw,26px);line-height:1.45;text-wrap:balance}
.field-makes p>span{font-size:12px;letter-spacing:.12em;margin-bottom:8px}
.field-makers .field-action{font-size:17px}
.field-makers .field-qualification{font-size:14px;line-height:1.55;max-width:640px}
.field-scene,.field-feature,.field-close{align-items:end;padding-bottom:calc(clamp(64px,12svh,108px) + var(--chapter-reveal,0px))}
.field-scene .field-body,.field-feature .field-body,.field-close .field-body{align-self:end;padding-bottom:0}
.field-scene .field-lead{margin:12px 0 0}
.field-scene h2,.field-feature h2,.field-close h2{font:600 clamp(76px,8.7vw,136px)/.97 "EI Display","Arial Narrow",Impact,sans-serif;letter-spacing:-.015em;text-transform:uppercase;text-wrap:balance;max-width:1050px}
.field-feature .field-action,.field-close .field-close-actions{margin-top:28px}
.field-scene-link{display:block;position:relative;width:100%}
.field-scene-link>span{position:absolute;right:0;bottom:5px;font-size:34px}
@media(max-width:700px){
 .field-catalog,.field-makers{padding-top:calc(var(--field-header) + 26px);padding-bottom:calc(36px + var(--chapter-reveal,0px))}
 .field-catalog h2,.field-makers h2{font-size:clamp(37px,10.5vw,46px);line-height:1.06}
 .field-index{margin-top:24px}
 .field-index>a{min-height:82px;padding:15px 25px;gap:6px}
 .field-index strong{font-size:20px;line-height:1.25;text-wrap:balance}
 .field-index span{font-size:13px;line-height:1.5}
 .field-index b{font-size:21px}
 .field-related{font-size:13px;margin-top:16px}
 .field-makes{gap:19px;margin:24px auto 22px}
 .field-makes p{font-size:21px;line-height:1.4}
 .field-makes p>span{font-size:11px;margin-bottom:7px}
 .field-makers .field-qualification{font-size:12px;line-height:1.55;margin-top:20px}
 .field-scene,.field-feature,.field-close{padding-bottom:calc(clamp(68px,12svh,96px) + var(--chapter-reveal,0px))}
 .field-scene h2,.field-feature h2,.field-close h2{font-size:clamp(62px,17.8vw,80px);line-height:.98;letter-spacing:-.018em}
 .field-scene-link>span{display:none}
 .field-feature .field-action,.field-close .field-close-actions{margin-top:25px;font-size:16px}
}
@media(max-width:700px) and (max-height:650px){
 .field-catalog,.field-makers{padding-top:calc(var(--field-header) + 18px);padding-bottom:calc(26px + var(--chapter-reveal,0px))}
 .field-catalog h2,.field-makers h2{font-size:34px}
 .field-index{margin-top:18px}
 .field-index>a{min-height:69px;padding:11px 22px;gap:4px}
 .field-index strong{font-size:18px}
 .field-index span{font-size:12px}
 .field-related{font-size:12px;margin-top:12px}
 .field-makes{gap:13px;margin:18px auto}
 .field-makes p{font-size:19px}
 .field-makers .field-qualification{font-size:11.5px;margin-top:15px}
 .field-scene,.field-feature,.field-close{padding-bottom:calc(46px + var(--chapter-reveal,0px))}
 .field-scene h2,.field-feature h2,.field-close h2{font-size:54px}
}

@media(max-width:360px){
 .field-catalog,.field-makers{padding-top:calc(var(--field-header) + 18px);padding-bottom:calc(26px + var(--chapter-reveal,0px))}
 .field-catalog h2,.field-makers h2{font-size:32px}
 .field-index{margin-top:18px}
 .field-index>a{min-height:67px;padding:10px 20px;gap:4px}
 .field-index strong{font-size:17px}
 .field-index span{font-size:11.5px}
 .field-related{font-size:11.5px;margin-top:12px}
 .field-makes{gap:13px;margin:18px auto}
 .field-makes p{font-size:18px}
 .field-makes p>span{font-size:10px}
 .field-makers .field-qualification{font-size:11.5px;margin-top:15px}
 .field-scene h2,.field-feature h2,.field-close h2{font-size:54px}
}