/* Sealing Components — LSC original editorial / engineering layer. */
.lsc-seal{--sc-ink:#102132;--sc-muted:#576775;--sc-line:#dbe2e7;--sc-red:#d92d3a;background:#f6f8fa;color:var(--sc-ink)}
.lsc-seal *{box-sizing:border-box}
.lsc-seal .sc-container{width:min(1180px,calc(100% - 52px));margin-inline:auto}
.lsc-seal .sc-kicker{display:block;font-size:11px;letter-spacing:.14em;font-weight:800;text-transform:uppercase;color:#e84e55}
.lsc-seal h1,.lsc-seal h2,.lsc-seal h3{letter-spacing:-.035em}
.lsc-seal h2{font-size:clamp(25px,3vw,39px);line-height:1.13;margin:10px 0 16px}
.lsc-seal h3{font-size:19px;line-height:1.24;margin:0 0 11px}
.lsc-seal p{font-size:15px;line-height:1.65;margin:0;color:var(--sc-muted)}
.lsc-seal .sc-hero{background:linear-gradient(112deg,#06121c,#10283a);color:#fff;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);min-height:365px;overflow:hidden}
.lsc-seal .sc-hero-copy{max-width:720px;padding:54px 35px 50px max(26px,calc((100vw - 1180px)/2));align-self:center}
.lsc-seal .sc-back{font-size:12px;font-weight:750;color:#b3c6d2;text-decoration:none;display:inline-block;margin-bottom:28px}
.lsc-seal .sc-hero h1{font-size:clamp(38px,3.8vw,60px);line-height:1.03;margin:12px 0 18px;max-width:730px}
.lsc-seal .sc-hero p{font-size:16px;max-width:620px;color:#c4d3db}
.lsc-seal .sc-hero-image{position:relative;min-height:310px;background:#17202a}
.lsc-seal .sc-hero-image img{width:100%;height:100%;object-fit:cover;object-position:center 18%;display:block}
.lsc-seal .sc-hero-image:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#0b1e2a 0,transparent 24%)}
.lsc-seal .sc-nav{background:#102433;color:#fff;border-top:1px solid #324453}
.lsc-seal .sc-nav-inner{display:flex;gap:14px 25px;flex-wrap:wrap;align-items:center;padding-block:18px}
.lsc-seal .sc-nav a{font-size:12px;line-height:1.25;color:#dce7ed;font-weight:700;text-decoration:none}
.lsc-seal .sc-nav a:hover{color:#fff;text-decoration:underline}
.lsc-seal .sc-section{padding:58px 0}
.lsc-seal .sc-section.alt{background:#fff}
.lsc-seal .sc-section.navy{background:linear-gradient(132deg,#071824,#102c3b);color:#fff}
.lsc-seal .sc-section.navy p{color:#bbcad5}
.lsc-seal .sc-heading{max-width:830px;margin-bottom:26px}
.lsc-seal .sc-heading p{max-width:820px}
.lsc-seal .sc-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}
.lsc-seal .sc-card{border:1px solid var(--sc-line);border-radius:16px;background:#fff;padding:23px;min-width:0}
.lsc-seal .sc-card p{font-size:13px;line-height:1.6}
.lsc-seal .sc-card small{display:block;color:#607383;margin-bottom:12px;font-size:11px;letter-spacing:.07em;text-transform:uppercase;font-weight:750}
.lsc-seal .sc-card.dark{background:#0e2433;border-color:#30495a;color:#fff}
.lsc-seal .sc-card.dark p,.lsc-seal .sc-card.dark small{color:#b6c8d4}
.lsc-seal .sc-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;align-items:start}
.lsc-seal .sc-feature-media{border-radius:16px;overflow:hidden;background:#182530;min-width:0}
.lsc-seal .sc-feature-media img{width:100%;height:100%;min-height:270px;max-height:385px;object-fit:cover;display:block}
.lsc-seal .sc-caption{font-size:11px!important;line-height:1.5!important;margin-top:12px!important;color:#748898!important}
.lsc-seal .sc-chip-set{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
.lsc-seal .sc-chip{display:inline-block;padding:8px 11px;border-radius:50px;border:1px solid #cdd8e0;font-size:11.5px;font-weight:700;background:#f4f7f9}
.lsc-seal .sc-inline-note{border-left:3px solid var(--sc-red);padding:12px 17px;margin-top:22px;background:#f4f7f9;border-radius:0 12px 12px 0;font-size:13px;line-height:1.5;color:#364e5c}
.lsc-seal .sc-scheme{background:#fff;border-radius:16px;padding:20px;overflow-x:auto;color:#0b2335}
.lsc-seal .sc-scheme svg{display:block;width:100%;height:auto;min-width:540px}
.lsc-seal .sc-scheme svg text{font-family:Arial,Helvetica,sans-serif}
.lsc-seal .sc-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:18px}
.lsc-seal .sc-step{border:1px solid #2b4757;background:#0d2839;border-radius:14px;padding:17px}
.lsc-seal .sc-step strong{display:block;color:#fff;margin-bottom:7px;font-size:13px}
.lsc-seal .sc-step span{font-size:12px;color:#b6cbd5;line-height:1.55}
.lsc-seal .sc-function{display:flex;flex-direction:column}
.lsc-seal .sc-function-art{background:#edf3f6;border-radius:11px;padding:10px 15px;margin-bottom:20px;height:90px;display:flex;align-items:center;justify-content:center}
.lsc-seal .sc-function-art svg{width:100%;max-width:200px;height:68px}
.lsc-seal .sc-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:19px}
.lsc-seal .sc-metric{padding:17px 18px;border:1px solid #d8e2e8;border-radius:13px;background:#f8fafb}
.lsc-seal .sc-metric strong{display:block;font-size:14px;margin-bottom:7px}
.lsc-seal .sc-metric p{font-size:12px}
.lsc-seal .sc-terminal-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.lsc-seal .sc-terminal{display:flex;gap:16px;align-items:center;padding:18px;border:1px solid #355063;border-radius:14px;background:#0c2332;min-width:0}
.lsc-seal .sc-terminal svg{width:76px;height:58px;flex:none}
.lsc-seal .sc-terminal strong{font-size:14px;display:block;margin-bottom:5px}
.lsc-seal .sc-terminal p{font-size:12px}
.lsc-seal .sc-cta{background:#111f2b;border-radius:18px;color:#fff;padding:30px;display:flex;justify-content:space-between;gap:20px;align-items:center;margin-top:28px}
.lsc-seal .sc-cta h3{margin:0 0 7px}
.lsc-seal .sc-cta p{color:#c5d1d9;font-size:13px}
.lsc-seal .sc-cta a{white-space:nowrap;text-decoration:none;border-radius:9px;background:#d52d3b;color:#fff;font-size:13px;font-weight:800;padding:15px 18px;display:inline-block}
.lsc-seal .sc-legacy{display:flex;gap:8px 20px;flex-wrap:wrap;margin-top:24px}
.lsc-seal .sc-legacy a{font-size:12px;font-weight:700;color:#176181;text-decoration:underline}
.lsc-seal .sc-measure{font-size:13px;line-height:1.6;color:#e5ecf0;margin-top:18px}
.lsc-seal .sc-measure code{font-size:13px;color:#fff}
@media(max-width:1000px){.lsc-seal .sc-hero{grid-template-columns:1fr 1fr}.lsc-seal .sc-hero-copy{padding-left:26px}.lsc-seal .sc-split{gap:18px}.lsc-seal .sc-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.lsc-seal .sc-steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.lsc-seal .sc-container{width:min(100% - 34px,1180px)}.lsc-seal .sc-hero{display:flex;flex-direction:column}.lsc-seal .sc-hero-copy{padding:30px 18px 27px}.lsc-seal .sc-back{margin-bottom:16px}.lsc-seal .sc-hero h1{font-size:clamp(34px,8.5vw,44px)}.lsc-seal .sc-hero-image{min-height:0;height:220px}.lsc-seal .sc-hero-image:after{background:linear-gradient(180deg,#0c1e2c,transparent 30%)}.lsc-seal .sc-section{padding:38px 0}.lsc-seal .sc-split,.lsc-seal .sc-grid,.lsc-seal .sc-terminal-list,.lsc-seal .sc-metrics{grid-template-columns:1fr}.lsc-seal .sc-steps{grid-template-columns:1fr 1fr}.lsc-seal .sc-nav-inner{gap:10px 18px}.lsc-seal .sc-cta{flex-direction:column;align-items:stretch;padding:23px}.lsc-seal .sc-feature-media img{min-height:205px;max-height:285px}}
@media(max-width:400px){.lsc-seal .sc-steps{grid-template-columns:1fr}.lsc-seal .sc-terminal{gap:11px}.lsc-seal .sc-terminal svg{width:55px}}


/* Show LSC ownership on the cropped hero; the committed WebP is also watermarked. */
.lsc-seal .sc-hero-image:before{content:"LSC HiTemps";position:absolute;right:17px;bottom:16px;z-index:2;color:rgba(255,255,255,.33);font-weight:800;font-size:clamp(12px,1.3vw,19px);letter-spacing:.01em;text-shadow:0 1px 2px rgba(0,0,0,.45);pointer-events:none}


/* Original LSC NiCr study: sectional geometry, not a vendor catalogue plate. */
.lsc-seal .sc-mat-study{margin:0;border-radius:16px;overflow:hidden;background:linear-gradient(150deg,#0e2635,#18394d);color:#fff;min-width:0;border:1px solid #335266}
.lsc-seal .sc-mat-head{display:flex;align-items:center;justify-content:space-between;padding:18px 21px;border-bottom:1px solid #355163;gap:12px}
.lsc-seal .sc-mat-head strong{font-size:20px;color:#fff;white-space:nowrap}
.lsc-seal .sc-mat-samples{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
.lsc-seal .sc-mat-samples>div{min-width:0;text-align:center;padding:19px 8px;border-right:1px solid #355163}
.lsc-seal .sc-mat-samples>div:last-child{border-right:0}
.lsc-seal .sc-mat-samples svg{width:100%;max-width:150px;height:90px;display:block;margin:auto}
.lsc-seal .sc-mat-samples strong{display:block;font-size:11px;line-height:1.4;min-height:34px;padding-inline:3px}
.lsc-seal .sc-mat-foot{display:block;padding:16px 21px;border-top:1px solid #355163;font-size:12px;line-height:1.5;color:#bbd0da}
@media(max-width:420px){.lsc-seal .sc-mat-head{padding:15px}.lsc-seal .sc-mat-head strong{font-size:16px}.lsc-seal .sc-mat-samples>div{padding:10px 4px}.lsc-seal .sc-mat-samples svg{height:68px}.lsc-seal .sc-mat-samples strong{font-size:9px;letter-spacing:-.02em}.lsc-seal .sc-mat-foot{padding:13px 15px}}


/* Fold/tablet landscape: three aligned cards rather than a stranded third card. */
@media (min-width:761px) and (max-width:1000px){
  .lsc-seal .sc-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .lsc-seal .sc-grid>.sc-card{padding:19px 17px}
  .lsc-seal .sc-grid>.sc-card h3{font-size:17px}
  .lsc-seal .sc-grid>.sc-card p{font-size:12.5px;line-height:1.55}
}