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/* Company profile: source text and original presentation photography. */
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  /* About: editorial sections with accessible, content-led interactions. */

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9))}.export-bar-button{position:relative;width:10%;height:100%;padding:0;border:0;background:none;display:flex;align-items:flex-end;color:var(--navy)}.export-bar{display:block;background:#628092;width:100%;height:var(--bar-height);position:relative;transition:background .25s}.export-bar-button:nth-child(6) .export-bar{background:#b69c75}.export-bar-button:hover .export-bar,.export-bar-button.selected .export-bar{background:var(--navy)}.export-bar-button.selected::after{position:absolute;bottom:-33px;left:20%;right:20%;height:2px;background:var(--gold);content:''}.export-bar strong{position:absolute;left:50%;transform:translateX(-50%);top:-25px;font-size:13px;font-weight:500;white-space:nowrap}.export-year{position:absolute;bottom:-26px;left:50%;transform:translateX(-50%);font-size:11px;font-weight:400}.export-note{font-size:12px;color:#80663f;background:#ebe6dc;padding:14px 18px;margin:35px 0 20px}.export-table{font-size:13px}.table-scroll{overflow:auto}.export-table 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@media(max-width:700px){.about-nav-shell{top:72px}.about-nav-shell a{padding:13px 0 10px;font-size:11px}.about-nav-shell .section-nav{gap:22px}.about-section,.project-section{scroll-margin-top:125px}.about-hero{padding:55px 0}.manufacturing-metrics{grid-template-columns:1fr;gap:25px}.manufacturing-metrics>div+div{border-left:0;border-top:1px solid var(--line);padding:23px 0 0}.manufacturing-metrics b{font-size:36px}.manufacturing-metrics p{font-size:12px;margin-top:10px}.interactive-tabs{gap:23px}.interactive-tabs button{font-size:12px}.factory-tabs{margin-top:27px}.factory-panel,.supply-overview,.project-layout,.research-grid{grid-template-columns:1fr;gap:28px}.factory-copy h3{font-size:28px;margin-bottom:20px}.factory-copy .lead{font-size:17px}.factory-copy .eyebrow{margin-top:8px}.map-visual{min-height:185px}.supply-copy .eyebrow{margin-bottom:18px}.country-description{min-height:140px}.country-buttons{gap:8px}.country-buttons button{font-size:11px}.project-section>.section-heading{gap:18px}.project-section>.lead{font-size:17px}.project-facts dl>div{font-size:12px}.project-details{grid-template-columns:1fr;gap:0;margin-top:20px}.schedule-heading{align-items:flex-start;flex-direction:column;gap:10px;margin-top:35px}.schedule-heading h3{font-size:19px}.project-timeline{grid-template-columns:1fr;gap:10px}.project-timeline summary{min-height:0;align-items:center;padding:13px 0}.project-timeline details{padding:4px 15px}.project-timeline details p{padding-top:12px;margin-bottom:13px}.patent-numbers{gap:55px}.research-grid{gap:40px}.university-list h3{font-size:24px}.sustainability-grid{grid-template-columns:1fr;gap:25px}.sustainability-photo{height:210px}.sustainability-copy{padding:24px}.sustainability-copy>strong{font-size:38px}.sustainability-copy h3{margin-bottom:20px}.responsibility-tabs{margin-top:25px}.responsibility-tabs button{font-size:11px}.berkshire-initiatives{grid-template-columns:1fr}.berkshire-intro h3{font-size:28px}.community{padding:25px}.community-organizations{grid-template-columns:1fr;gap:20px}.export-layout{grid-template-columns:1fr;gap:22px;margin-top:30px}.export-summary{padding-left:20px}.export-value{font-size:50px;margin-bottom:15px}.export-summary>p:last-child{min-height:0;max-width:290px}.export-chart{height:260px}.chart-instruction{margin:0 0 35px;text-align:left}.export-bar strong{font-size:11px}.export-year{font-size:10px}.export-axis{width:24px;font-size:9px}.export-bars{min-width:0}.export-note{font-size:11px;line-height:1.8;margin-top:25px}.photo-dialog{padding:50px 12px 12px}.photo-zoom>span{font-size:10px;padding:6px 10px;bottom:10px;right:10px}}@media(prefers-reduced-motion:reduce){.photo-zoom:hover>img{transform:none}}

/* Research uses the deck's gold laurel motif with the original R&D copy. */
.research-section{background:#f4f3ef}
.research-feature{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center;background:var(--navy);color:white;padding:55px 60px;position:relative;overflow:hidden}
.research-feature::before{content:'';position:absolute;inset:auto -80px -130px auto;width:330px;height:330px;border:1px solid #ffffff18;border-radius:50%;pointer-events:none}
.research-intro{position:relative;z-index:1;max-width:560px}
.research-intro .eyebrow{color:#d9b579;margin-bottom:20px}
.research-intro>p:last-child{font-size:17px;line-height:1.8;margin:0;color:#edf2f3}
.research-patents{display:grid;grid-template-columns:1fr 1fr;gap:15px;position:relative;z-index:1}
.patent-card{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:250px;border:1px solid #e1bd824d;background:#ffffff0b;text-align:center;padding:18px;transition:background .25s,transform .25s}
.patent-card:hover{background:#ffffff16;transform:translateY(-4px)}
.patent-card strong{display:flex;align-items:center;justify-content:center;width:155px;height:150px;background:var(--laurel) center/contain no-repeat;font-size:49px;line-height:1;color:white;font-weight:400;letter-spacing:-2px}
.patent-card span{display:block;max-width:130px;font-size:12px;line-height:1.4;letter-spacing:.6px;color:#e2d5c0}
.research-partnerships{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;padding:60px 0 0;align-items:start}
.research-partnership-heading h3{font-size:clamp(25px,2.5vw,34px);letter-spacing:-.7px;line-height:1.2;margin-bottom:20px;color:var(--navy)}
.research-partnership-heading>p:last-child{font-size:13px;color:var(--muted);max-width:290px}
.research-partnership-cards{display:grid;gap:12px}
.research-partnership-cards details{border:1px solid #dce1df;background:white;padding:0 23px;transition:border-color .25s,box-shadow .25s,transform .25s}
.research-partnership-cards details:hover{transform:translateX(4px);border-color:#ceb184}
.research-partnership-cards details[open]{border-color:#c8a36a;box-shadow:0 12px 30px #183c560c}
.research-partnership-cards summary{align-items:center;gap:18px;padding:20px 0;font-size:18px;color:var(--navy);line-height:1.3}
.research-partnership-cards summary::after{color:#ad8349;margin-left:auto}
.research-card-number{font-size:11px;letter-spacing:1px;color:#b28b58}
.research-partnership-cards details p{border-top:1px solid var(--line);padding:16px 0 19px;font-size:14px;color:#526979;margin:0;line-height:1.65}
@media(max-width:900px){.research-feature{grid-template-columns:1fr;gap:32px;padding:42px}.research-partnerships{grid-template-columns:1fr;gap:20px;padding-top:45px}}
@media(max-width:700px){.research-feature{padding:32px 23px;gap:28px}.research-intro>p:last-child{font-size:15px}.research-patents{gap:10px}.patent-card{min-height:190px;padding:9px}.patent-card strong{width:125px;height:120px;font-size:40px}.patent-card span{font-size:10px}.research-partnerships{padding-top:39px}.research-partnership-heading h3{font-size:27px}.research-partnership-cards details{padding:0 17px}.research-partnership-cards summary{font-size:15px;gap:12px;padding:17px 0}.research-partnership-cards details p{font-size:13px}}
@media(prefers-reduced-motion:reduce){.patent-card:hover,.research-partnership-cards details:hover{transform:none}}

/* Six collection categories: three balanced columns on desktop, two on phones. */
.category-grid{grid-template-columns:repeat(3,1fr)}
.category-card img{aspect-ratio:4/3.4}
@media(max-width:700px){.category-grid{grid-template-columns:repeat(2,1fr)}.category-card img{aspect-ratio:4/4.7}}

/* Distinct About chapter surfaces; chart emphasis never changes data height. */
#performance{background:#f5f3ee;border-top:1px solid #e8e3d9;border-bottom:1px solid #e8e3d9}
#manufacturing{background:#fff}
#performance .export-layout{display:block;margin-top:55px}
#performance .export-chart{height:320px}
#performance .export-bar-button{justify-content:center;width:12%;outline-offset:8px}
#performance .export-bar{width:66%;transition:background-color 380ms ease}
#performance .export-bar-button:hover .export-bar,#performance .export-bar-button:focus-visible .export-bar{background:var(--navy)}
#performance .export-note{background:#ebe6dc;color:#80663f;margin-bottom:0}
@media(max-width:700px){#performance .export-chart{height:260px}#performance .export-layout{margin-top:42px}#performance .export-bar{width:72%}}
@media(prefers-reduced-motion:reduce){#performance .export-bar{transition:none}}

/* Annual performance dashboard: warm neutral surfaces and navy emphasis. */
.performance-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:32px 0 22px}
.performance-cards article{background:#fff;border:1px solid #eee9e0;border-radius:14px;padding:24px 26px;box-shadow:0 3px 14px #19394d03}
.performance-cards article>p{display:flex;justify-content:space-between;gap:12px;font-size:12px;margin:0 0 19px;color:var(--navy)}
.performance-cards article>p span{font-size:11px;color:#8e7858}
.performance-cards strong{display:block;font-size:32px;line-height:1.2;letter-spacing:-1px;font-weight:500;color:var(--navy)}
.performance-cards small{display:block;margin-top:13px;font-size:11px;line-height:1.6;color:#7d776d}
.performance-cards .performance-card-dark{background:var(--navy);border-color:var(--navy)}
.performance-card-dark>p,.performance-card-dark strong{color:#fff!important}.performance-card-dark small,.performance-card-dark>p span{color:#dfc799!important}
.performance-panel{background:#fff;border:1px solid #eee9e0;border-radius:18px;padding:30px 32px 22px;box-shadow:0 8px 28px #19394d04}
.performance-panel-heading{display:flex;align-items:center;justify-content:space-between;gap:18px}
.performance-panel-heading .eyebrow{font-size:9px;letter-spacing:1.8px;margin-bottom:8px}.performance-panel-heading h3{font-size:24px;margin:0;line-height:1.3;letter-spacing:-.5px}
.performance-period{font-size:11px;border:1px solid #e7e0d6;border-radius:30px;padding:7px 14px;white-space:nowrap;background:#faf8f4}
.performance-chart-meta{display:flex;justify-content:space-between;margin-top:24px;padding-top:18px;border-top:1px solid #eee9e0;font-size:11px;color:#82796c}
#performance .export-layout{margin-top:36px}#performance .export-chart{height:310px}
#performance .export-bars{background:repeating-linear-gradient(to top,transparent 0,transparent calc(100% / 9 - 1px),#eeeae3 calc(100% / 9 - 1px),#eeeae3 calc(100% / 9));border-color:#e3ddd2}
#performance .export-bar{border-radius:7px 7px 0 0;background:#c8bdab}
#performance .export-bar-button:nth-child(6) .export-bar{background:var(--gold)}
#performance .export-bar-button:last-child .export-bar{background:var(--navy)}
#performance .export-bar-button:hover .export-bar,#performance .export-bar-button:focus-visible .export-bar{background:var(--navy)}
.performance-chart-hint{text-align:center;font-size:11px;color:#8a8071;margin:14px 0 0}
#performance .export-note{background:#f7f4ee;border-radius:8px;font-size:11px;margin-top:22px;padding:12px 16px}
@media(max-width:700px){.performance-cards{grid-template-columns:1fr;gap:10px;margin-top:25px}.performance-cards article{padding:18px 20px}.performance-cards article>p{margin-bottom:10px}.performance-cards strong{font-size:28px}.performance-cards small{margin-top:8px}.performance-panel{padding:22px 14px 16px;border-radius:14px}.performance-panel-heading h3{font-size:20px}.performance-panel-heading{align-items:flex-start}.performance-period{font-size:9px;padding:5px 8px}.performance-panel-heading .eyebrow{font-size:8px}#performance .export-chart{height:250px}.performance-chart-meta{font-size:10px}.performance-chart-hint{display:none}#performance .export-bar strong{font-size:10px}#performance .export-year{font-size:9px}}

/* Fixed-width chart bars; values appear on hover or click/keyboard focus. */
#performance .export-bar-button .export-bar{width:66%;transition:background-color 380ms ease}
#performance .export-bar strong{opacity:0;pointer-events:none;transition:opacity 180ms ease}
#performance .export-bar-button:hover .export-bar strong,#performance .export-bar-button:focus .export-bar strong{opacity:1}
#performance .export-bar-button:focus .export-bar{background:var(--navy)}
@media(max-width:700px){#performance .export-bar-button .export-bar{width:72%}}
@media(prefers-reduced-motion:reduce){#performance .export-bar-button .export-bar,#performance .export-bar strong{transition:none}}

.contact-fields dd{overflow-wrap:anywhere}.contact-fields dd a{color:inherit;text-underline-offset:4px}.contact-fields dd a:hover{text-decoration:underline}