/* Page-specific styles; shared site header and footer remain owned by site.js. */
.hb-page,.kb-page{--hb-red:#e60012;--hb-ink:#101820;--hb-muted:#67727e;--hb-line:#e4e9ec;color:var(--hb-ink)}
.hb-shell{width:min(1280px,calc(100% - 64px));margin-inline:auto}
.hb-hero{position:relative;min-height:470px;color:#fff;background:#17212b;overflow:hidden}
.hb-hero:before{content:"";position:absolute;inset:0;background:url("assets/real/drillpipes.jpg") 63% 61%/cover no-repeat;filter:grayscale(.22);transform:scale(1.02)}
.hb-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,13,19,.96) 0%,rgba(5,13,19,.83) 39%,rgba(5,13,19,.18) 100%)}
.hb-hero-inner{position:relative;z-index:1;min-height:470px;display:flex;align-items:center}.hb-hero-copy{max-width:540px;padding:58px 0}
.hb-kicker,.hb-hero-copy .hb-kicker{font-size:12px;font-weight:800;letter-spacing:2px;color:#e5ebee;margin:0 0 16px}.hb-hero h1{font-size:clamp(38px,4vw,64px);line-height:1.11;letter-spacing:-2px;margin:0 0 20px}.hb-red-rule{display:block;width:62px;height:4px;background:var(--hb-red);margin:0 0 22px}.hb-hero-copy>p:not(.hb-kicker){font-size:16px;line-height:1.85;color:#d5dde2;margin:0 0 25px}.hb-hero-tags{display:flex;gap:0;flex-wrap:wrap;color:#f1f4f5;font-size:11px;letter-spacing:1px;font-weight:800}.hb-hero-tags span{padding:0 16px;border-right:1px solid rgba(255,255,255,.47)}.hb-hero-tags span:first-child{padding-left:0}.hb-hero-tags span:last-child{border:0}
.hb-breadcrumb{display:flex;gap:9px;align-items:center;padding:18px 0;color:#84919b;font-size:12px}.hb-breadcrumb a:hover{color:var(--hb-red)}.hb-breadcrumb strong{font-weight:700;color:#25313a}
.hb-case-layout{display:grid;grid-template-columns:165px minmax(0,1fr);gap:42px;padding-top:14px;padding-bottom:60px}.hb-rail{align-self:start;position:sticky;top:20px;border-left:1px solid var(--hb-line);padding-left:16px}.hb-rail p{font-size:12px;font-weight:900;color:#26313a;margin:0 0 15px}.hb-rail a{display:flex;gap:10px;align-items:baseline;padding:13px 0;font-size:13px;color:#65727b;border-bottom:1px solid #f1f3f4}.hb-rail a:hover{color:var(--hb-red)}.hb-rail small{font-size:10px;color:var(--hb-red)}
.hb-section{padding:18px 0 62px;border-bottom:1px solid var(--hb-line);scroll-margin-top:24px}.hb-section:last-child{border:0}.hb-section-heading{margin-bottom:25px}.hb-section-heading>span,.hb-support span,.hb-bottom-cta span,.kb-related span{font-size:11px;font-weight:900;letter-spacing:1.8px;color:var(--hb-red)}.hb-section-heading h2{font-size:clamp(25px,2.5vw,34px);line-height:1.25;margin:8px 0 7px}.hb-section-heading p{font-size:14px;color:var(--hb-muted);margin:0;max-width:800px}
.hb-condition-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:22px}.hb-condition-image{height:310px;overflow:hidden;background:#e5eaec}.hb-condition-image img{width:100%;height:100%;object-fit:cover;object-position:center 58%}.hb-condition-points{display:grid;align-content:stretch}.hb-condition-points article{display:flex;gap:18px;padding:12px 0;border-bottom:1px solid var(--hb-line)}.hb-condition-points article:first-child{padding-top:0}.hb-condition-points article:last-child{border:0}.hb-condition-points b{font-size:22px;color:var(--hb-red);line-height:1.2}.hb-condition-points h3{margin:0 0 2px;font-size:17px}.hb-condition-points p{font-size:12px;line-height:1.7;color:var(--hb-muted);margin:0}
.hb-model-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.hb-model-feature{display:grid;grid-template-columns:47% 53%;min-height:240px;border:1px solid var(--hb-line);background:#fff;transition:box-shadow .2s}.hb-model-feature:hover{box-shadow:0 12px 28px #0718261a}.hb-model-feature img{width:100%;height:100%;object-fit:cover}.hb-model-feature>div{padding:25px}.hb-model-feature small{font-size:11px;color:var(--hb-red);font-weight:900}.hb-model-feature h3{font-size:38px;margin:3px 0 3px;line-height:1.1}.hb-model-feature p{font-size:13px;color:#56616a;margin:0 0 17px}.hb-model-feature span,.hb-model-note a{color:var(--hb-red);font-size:13px;font-weight:900}.hb-model-feature em,.hb-support em{font-style:normal;margin-left:8px}.hb-model-note{background:#f5f7f8;padding:25px 27px;border-left:4px solid var(--hb-red)}.hb-model-note h3{font-size:20px;margin:0 0 10px}.hb-model-note p{font-size:13px;line-height:1.9;color:#56616a;margin:0 0 20px}
.hb-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.hb-steps article{border:1px solid var(--hb-line);padding:20px;min-height:205px;background:#fff}.hb-steps b{font-size:29px;color:var(--hb-red);line-height:1}.hb-steps h3{font-size:17px;margin:16px 0 8px}.hb-steps p{font-size:12px;color:var(--hb-muted);margin:0}.hb-process-link{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:18px;font-size:12px;color:var(--hb-muted)}.hb-process-link a{color:var(--hb-red);font-weight:800}
.hb-result-grid{display:grid;grid-template-columns:1.5fr .75fr;gap:15px}.hb-result-grid figure,.kb-result-grid figure{margin:0;background:#f5f7f8}.hb-result-grid img,.kb-result-grid img{width:100%;object-fit:cover}.hb-result-main img{height:330px}.hb-result-side{display:grid;grid-template-rows:1fr auto;gap:14px}.hb-result-side figure img{height:125px;object-position:center 55%}.hb-result-grid figcaption,.kb-result-grid figcaption{font-size:11px;color:#5c6871;padding:8px 12px}.hb-result-metric{padding:13px 18px;background:#f3f5f6}.hb-result-metric strong{display:block;font-size:28px;color:var(--hb-red);line-height:1.1}.hb-result-metric small{font-size:14px}.hb-result-metric span{display:block;font-size:12px;font-weight:900;margin-top:4px}.hb-result-metric p{font-size:11px;color:var(--hb-muted);margin:5px 0 0}
.hb-support{display:flex;justify-content:space-between;gap:30px;align-items:center;background:#f5f7f8;padding:32px;margin-top:10px}.hb-support h2{margin:5px 0 7px;font-size:27px}.hb-support p{font-size:13px;color:var(--hb-muted);margin:0;max-width:620px}.hb-support>div:last-child{display:grid;gap:10px;min-width:170px}.hb-support a{display:block;background:#fff;border:1px solid var(--hb-line);padding:10px 15px;font-size:13px;font-weight:900}.hb-support a:hover{color:var(--hb-red)}
.hb-bottom-cta{background:linear-gradient(90deg,#0b1824ee,#0b1824cc),url("assets/real/drillpipes.jpg") center 58%/cover;color:#fff;padding:40px 0}.hb-bottom-cta>.hb-shell{display:flex;justify-content:space-between;align-items:center;gap:25px}.hb-bottom-cta h2{font-size:27px;margin:4px 0}.hb-bottom-cta p{margin:0;color:#d3dce1;font-size:12px}.hb-bottom-cta a{background:var(--hb-red);color:#fff;padding:12px 23px;font-weight:900;white-space:nowrap}
/* KB100 dedicated product page */
.kb-layout{display:grid;grid-template-columns:165px minmax(0,1fr);gap:20px;margin-bottom:65px}.kb-sidebar{align-self:start;position:sticky;top:18px;border-right:1px solid var(--hb-line);padding:14px 16px 20px 0}.kb-sidebar h2{font-size:17px;line-height:1.35;margin:0 0 20px}.kb-sidebar a{display:flex;justify-content:space-between;gap:10px;font-size:12px;padding:10px 11px;color:#5d6872}.kb-sidebar a.selected{font-weight:900;color:var(--hb-red);background:#fff4f4;border-left:3px solid var(--hb-red)}.kb-sidebar a:hover{color:var(--hb-red)}.kb-sidebar-divider{height:1px;background:var(--hb-line);margin:12px 0}.kb-main{min-width:0}.kb-hero{min-height:345px;color:#fff;display:flex;align-items:center;background:linear-gradient(90deg,#061019f2 0%,#08131dcc 49%,#08131d55 100%),url("assets/real/drillpipes.jpg") center 60%/cover;padding:40px clamp(26px,5vw,76px)}.kb-hero>div{max-width:610px}.kb-hero p:first-child{font-size:11px;letter-spacing:1.6px;margin:0 0 8px}.kb-hero h1{font-size:clamp(48px,6vw,78px);line-height:1;margin:0;letter-spacing:-2px}.kb-hero h1 span{color:var(--hb-red)}.kb-hero h2{font-size:clamp(19px,2.5vw,29px);margin:8px 0 1px}.kb-hero strong{font-size:15px;color:#dce5ea}.kb-hero-desc{font-size:13px;line-height:1.8;color:#d5dce1;max-width:440px;margin:17px 0 18px}.kb-hero .hb-hero-tags{font-size:9px}.kb-section{padding:32px 0 8px;scroll-margin-top:20px}.kb-heading{display:flex;align-items:center;gap:11px;border-left:4px solid var(--hb-red);padding-left:10px;margin-bottom:13px}.kb-heading span{font-size:11px;color:var(--hb-red);font-weight:900}.kb-heading h2{font-size:22px;margin:0;line-height:1.3}.kb-section-lede{font-size:13px;color:var(--hb-muted);margin:0 0 16px}.kb-overview{display:grid;grid-template-columns:1fr 300px;gap:28px;align-items:center}.kb-overview>div>p:first-child{font-size:13px;line-height:1.9;color:#4d5963;margin:0 0 15px}.kb-overview img{width:100%;max-height:230px;object-fit:contain}.kb-highlights{display:flex;gap:12px}.kb-highlights div{min-width:150px;padding:12px 15px;background:#f4f6f7}.kb-highlights strong{display:block;font-size:22px;line-height:1.2;color:var(--hb-red)}.kb-highlights span{font-size:11px;color:#5e6972}.kb-note{font-size:11px;color:#839099;line-height:1.7;margin:10px 0 0}.kb-feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.kb-feature-grid article{min-width:0}.kb-feature-photo{height:140px;background:#cad1d4;overflow:hidden;background-size:cover;background-position:center}.kb-feature-photo.photo-one{background-image:url("assets/real/case-hardband.jpg")}.kb-feature-photo.photo-two{background-image:url("assets/real/drillpipes.jpg");background-position:center 67%}.kb-feature-photo.photo-three{background-image:url("assets/real/case-shaft.jpg")}.kb-feature-photo.photo-four{background-image:url("assets/real/product-spool-1.jpg")}.kb-feature-grid h3{font-size:14px;margin:9px 0 1px}.kb-feature-grid p{font-size:11px;color:var(--hb-muted);margin:0;line-height:1.6}.kb-tables{display:grid;grid-template-columns:1fr 1fr;gap:15px}.kb-table-wrap{overflow-x:auto}.kb-page table{width:100%;min-width:0;font-size:12px;border-collapse:collapse}.kb-page caption{background:var(--hb-red);color:#fff;text-align:left;padding:8px 13px;font-weight:900}.kb-page th,.kb-page td{border:1px solid #e4e8eb;padding:9px 13px;text-align:left;vertical-align:top;color:#343f47;background:#fff;font-weight:400}.kb-page th{width:38%;background:#f3f5f6;font-weight:800}.kb-page td strong{color:var(--hb-red)}.kb-welding-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.kb-welding-photo{height:255px;overflow:hidden}.kb-welding-photo img{width:100%;height:100%;object-fit:cover;object-position:center 58%}.kb-result-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.kb-result-grid img{height:190px}.kb-result-grid figure:last-child img{object-position:center 55%}.kb-related{display:flex;justify-content:space-between;align-items:center;gap:20px;background:#f4f6f7;padding:30px;margin-top:36px}.kb-related h2{font-size:23px;margin:3px 0}.kb-related p{font-size:12px;color:var(--hb-muted);margin:0}.kb-related a{background:var(--hb-red);color:#fff;padding:11px 20px;font-size:13px;font-weight:900;white-space:nowrap}
@media(max-width:1050px){.hb-shell{width:min(100% - 36px,1280px)}.hb-case-layout{gap:24px;grid-template-columns:140px minmax(0,1fr)}.kb-layout{grid-template-columns:145px minmax(0,1fr)}.hb-condition-grid,.hb-model-grid{grid-template-columns:1fr}.hb-steps{grid-template-columns:repeat(2,1fr)}.kb-overview{grid-template-columns:1fr 230px}.kb-feature-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.hb-shell{width:min(100% - 28px,1280px)}.hb-hero,.hb-hero-inner{min-height:390px}.hb-hero:before{background-position:center 60%}.hb-hero:after{background:linear-gradient(90deg,#061019ef,#06101998)}.hb-hero-copy{padding:38px 0}.hb-hero h1{letter-spacing:-1px}.hb-case-layout,.kb-layout{display:block;padding-top:0}.hb-rail,.kb-sidebar{position:static;border:0;border-bottom:1px solid var(--hb-line);padding:0 0 12px;margin-bottom:17px}.hb-rail p,.kb-sidebar h2{margin:0 0 4px}.hb-rail a,.kb-sidebar a{display:inline-flex;width:auto;margin-right:9px;padding:7px 0;font-size:11px;border:0}.kb-sidebar-divider{display:none}.hb-section{padding:18px 0 45px}.hb-condition-image{height:260px}.hb-model-feature{grid-template-columns:44% 56%}.hb-result-grid,.kb-tables,.kb-welding-grid,.kb-result-grid{grid-template-columns:1fr}.hb-result-side{grid-template-columns:1fr 1fr;grid-template-rows:auto}.hb-result-side figure img{height:130px}.hb-result-main img{height:260px}.hb-support,.hb-bottom-cta>.hb-shell,.kb-related{align-items:flex-start;flex-direction:column}.kb-hero{min-height:310px;padding:30px 22px}.kb-overview{grid-template-columns:1fr}.kb-overview img{max-height:210px}.kb-feature-photo{height:130px}}
@media(max-width:440px){.hb-hero-tags{font-size:9px}.hb-hero-tags span{padding:0 8px}.hb-model-feature{display:block}.hb-model-feature img{height:190px}.hb-model-feature>div{padding:18px}.hb-steps{grid-template-columns:1fr}.hb-steps article{min-height:0}.hb-result-side{grid-template-columns:1fr}.hb-support{padding:22px}.kb-highlights{display:grid;grid-template-columns:1fr 1fr}.kb-highlights div{min-width:0}.kb-feature-grid{gap:10px}.kb-feature-photo{height:105px}}