.refrigeration-hero{background:#eaf0e9;padding:36px 0 0}
.breadcrumb{display:inline-block;font-size:14px;color:#526661;text-decoration:none;margin-bottom:32px}
.refrigeration-hero h1{font-size:clamp(44px,5.8vw,78px);letter-spacing:-.045em;line-height:1.07;margin:18px 0 25px}
.refrigeration-hero .intro-copy{max-width:740px}
.refrigeration-nav{display:flex;gap:26px;flex-wrap:wrap;border-top:1px solid #ccd9ce;padding:24px 0;margin-top:42px}
.refrigeration-nav a{font-size:14px;font-weight:650;color:#21483e;text-decoration:none}
.refrigeration-nav a:hover{text-decoration:underline}
.refrigeration-heading{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:70px;align-items:end;margin-bottom:30px}
.refrigeration-heading h2,.story-copy h2{font-size:clamp(30px,3.2vw,43px);line-height:1.16;letter-spacing:-.035em;margin:15px 0 0}
.refrigeration-heading>p{font-size:16px;line-height:1.85;color:var(--muted)}
.document-note{font-size:14px;line-height:1.8;color:#576357;border-left:3px solid #b59555;padding:12px 18px;background:#f3f0e7;margin:22px 0}
.slide-viewer{background:#fff;border:1px solid #d6dfd8;border-radius:16px;overflow:hidden}
.slide-image-link{display:block;background:#f3f3f3}
.slide-image-link img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain}
.slide-controls{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:17px 22px;border-top:1px solid #d6dfd8}
.slide-controls button{background:#176b60;color:#fff;border:0;border-radius:7px;padding:12px 18px;font-size:14px;font-weight:600;min-height:44px}
.slide-controls button:disabled{background:#edf0eb;color:#68746a;cursor:default}
.slide-controls span{font-size:14px;font-weight:600;text-align:center}
.slide-tools{display:flex;align-items:center;gap:16px;padding:0 22px 20px}
.slide-tools label{font-size:14px;flex-shrink:0}
.slide-tools select{min-width:0;width:100%;padding:12px;border:1px solid #baccc0;border-radius:6px;background:#fff;color:#18333c;font-size:14px}
.slide-transcript{padding:18px 22px;border-top:1px solid #d6dfd8;font-size:16px;line-height:1.8}
.slide-transcript summary{cursor:pointer;font-size:14px;font-weight:650;color:#176b60}
.slide-transcript p{margin:12px 0}
.document-actions{display:flex;flex-wrap:wrap;gap:24px;margin-top:22px}
.document-actions a{font-size:14px;line-height:1.7}
.operator-story{background:#f0f2ea}
.story-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:90px;align-items:center}
.story-copy p:not(.eyebrow){font-size:16px;line-height:1.85;margin-top:23px}
.story-copy .btn{margin-top:28px}
.story-copy .document-note{font-size:14px!important}
.newspaper-preview{display:block;background:#fff;padding:16px;box-shadow:0 10px 35px #102e3d15;border:1px solid #dae0d7;text-decoration:none;color:#176b60}
.newspaper-preview img{display:block;width:100%;height:auto}
.newspaper-preview span{display:block;font-size:14px;font-weight:650;text-align:center;padding-top:16px}
.refrigeration-video-grid{display:grid;grid-template-columns:1fr 1fr;gap:38px 28px}
.video-frame{background:#153440;aspect-ratio:16/9;border-radius:12px;overflow:hidden}
.video-frame iframe{border:0;width:100%;height:100%;display:block}
.video-load{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:18px;color:#fff;background:transparent;width:100%;height:100%;border:0;padding:22px;font-size:17px;text-align:center;line-height:1.5}
.video-load:hover{background:#224b55}
.video-play{font-size:35px;color:#d5e7cb}
.video-load small{color:#bdd0cf;font-size:14px}
.refrigeration-video h3{font-size:21px;line-height:1.35;margin:20px 0 12px}
.refrigeration-video .text-link{font-size:14px;line-height:1.7}
.thermal-video{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.thermal-video>div:last-child{padding:15px 30px}
.thermal-video p:not(.eyebrow){font-size:16px;line-height:1.8;margin:18px 0}
.resource-caption{font-size:14px;color:var(--muted);line-height:1.8;margin-top:25px}
.career-section{background:#eaf0e9}
.career-job-panel{background:#fff;border:1px solid #d6dfd8;border-radius:14px;padding:30px}
.career-job-panel h3{font-size:24px;margin-bottom:22px}
.career-links{display:grid;grid-template-columns:1fr 1fr;gap:0 34px;padding:0;list-style:none}
.career-links li{border-top:1px solid #e2e6df}
.career-links a{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:17px 0;font-size:15px;line-height:1.7;text-decoration:none;color:#176b60;font-weight:600}
.career-links a:hover{text-decoration:underline}
.career-extra-links{margin-top:25px;line-height:1.8}
.career-extra-links a{font-size:14px}
.historical-data{border-top:1px solid #ccd9ce;margin-top:25px;padding-top:24px}
.historical-data summary{font-size:14px;line-height:1.8;color:#506553;cursor:pointer}
.historical-data p{font-size:14px;line-height:1.8;margin:20px 0;max-width:780px}
.historical-data img{display:block;max-width:100%;height:auto}
.training-services{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:35px;padding:25px 0 45px;border-bottom:1px solid #d7dfd6}
.training-services article>span{font-size:14px;color:#176b60;font-weight:600}
.training-services h3{font-size:23px;line-height:1.3;margin:17px 0}
.training-services p{font-size:16px;line-height:1.85;color:var(--muted)}
.reading-list article{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:48px;padding:35px 0;border-bottom:1px solid #d7dfd6}
.reading-list h3{font-size:23px;line-height:1.3;margin:14px 0}
.reading-list p:not(.eyebrow){font-size:16px;line-height:1.8;color:var(--muted)}
.reading-actions{display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:15px}
.reading-actions a{font-size:14px;line-height:1.7;font-weight:600;color:#176b60;text-underline-offset:4px}
.related-learning{display:flex;gap:35px;align-items:center;padding:38px 0}
.related-learning img{width:145px;height:195px;object-fit:contain;flex-shrink:0}
.related-learning h3{font-size:25px;line-height:1.3;margin:15px 0}
.related-learning p:not(.eyebrow){font-size:16px;line-height:1.8;max-width:800px;margin-bottom:20px}
.related-learning .text-link{font-size:14px}
.refrigeration-contact{background:#102e3d;color:#fff;display:flex;gap:35px;align-items:center;justify-content:space-between;padding:40px;border-radius:15px;margin-top:10px}
.refrigeration-contact h2{font-size:32px;line-height:1.25;letter-spacing:-.02em}
.refrigeration-contact p{font-size:16px;line-height:1.8;color:#c0d1d1;margin-top:15px;max-width:670px}
.refrigeration-contact .btn{flex-shrink:0}
@media(max-width:960px){.refrigeration-heading,.story-layout{gap:35px}.refrigeration-heading{grid-template-columns:1fr 1fr}.refrigeration-heading h2{font-size:32px}.thermal-video>div:last-child{padding:0 10px}.training-services{gap:23px}.reading-list article{gap:30px}.refrigeration-contact{align-items:flex-start;flex-direction:column}.refrigeration-nav{gap:16px 24px}}
@media(max-width:680px){.refrigeration-hero{padding-top:24px}.breadcrumb{margin-bottom:23px}.refrigeration-hero h1{font-size:48px}.refrigeration-hero .intro-copy{font-size:16px}.refrigeration-hero .hero-actions{flex-wrap:wrap;gap:14px}.refrigeration-hero .hero-actions>*{width:100%;justify-content:center;font-size:14px}.refrigeration-nav{margin-top:30px;gap:16px 22px}.refrigeration-nav a{font-size:14px}.refrigeration-heading,.story-layout,.refrigeration-video-grid,.thermal-video,.training-services,.reading-list article{grid-template-columns:1fr}.refrigeration-heading{gap:18px}.story-layout{gap:28px}.slide-controls{padding:14px 12px;gap:8px}.slide-controls button{font-size:13px;padding:11px 10px}.slide-controls span{font-size:13px}.slide-tools{flex-direction:column;align-items:stretch;gap:7px;padding:0 14px 16px}.slide-transcript{padding:16px}.document-actions{gap:16px}.document-note{padding:13px 15px}.refrigeration-video-grid{gap:32px}.thermal-video{grid-column:auto;gap:0}.thermal-video>div:last-child{padding:0}.thermal-video .eyebrow{margin-top:22px}.career-job-panel{padding:23px}.career-job-panel h3{font-size:23px}.career-links{grid-template-columns:1fr}.reading-list article{gap:22px}.related-learning{gap:25px;flex-direction:column;align-items:flex-start}.related-learning img{width:120px;height:auto}.refrigeration-contact{padding:28px}.refrigeration-contact h2{font-size:28px}.training-services{gap:30px}.slide-image-link img{min-height:0}}