/* Articles */
.page-hero--articles{position:relative;overflow:hidden;background:linear-gradient(112deg,#141516 0 68%,#2a2b2d 68%)}.page-hero--articles:after{content:"A";position:absolute;right:7%;top:-72px;color:rgba(255,255,255,.045);font-size:280px;font-weight:900}.page-hero--articles .eyebrow{margin-top:35px}.article-index{max-width:1080px}.article-card--featured{display:grid;grid-template-columns:1.08fr .92fr;overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:0 18px 45px rgba(0,0,0,.08)}.article-card__image{min-height:430px;background:#ece9e5}.article-card__image img{width:100%;height:100%;object-fit:cover}.article-card__body{padding:46px;display:flex;flex-direction:column;align-items:flex-start}.article-card__body h2{font-size:36px;line-height:1.08;margin:12px 0 18px}.article-card__body p{font-size:17px;color:#555}.article-card__meta{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 28px}.article-card__meta span,.article-hero__tags span{padding:7px 10px;background:#f0f1f2;color:#555;font-size:11px;font-weight:700}.article-kicker{display:inline-flex;align-items:center;gap:10px;color:var(--red);font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.13em}.article-kicker:before{content:"";width:28px;height:3px;background:var(--red)}
.technical-article{--article-dark:#101113}.article-hero{padding:58px 0 0;background:#f1efeb}.article-hero .breadcrumbs{display:block;margin-bottom:38px;color:#777}.article-hero__grid{display:grid;grid-template-columns:minmax(0,.82fr) minmax(520px,1.18fr);gap:58px;align-items:center}.article-hero h1{margin:16px 0 20px;font-size:clamp(44px,5vw,72px);line-height:.98;letter-spacing:-.045em}.article-hero p{max-width:610px;font-size:19px;color:#555}.article-hero__tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:28px}.article-hero__visual{margin:0;align-self:end}.article-hero__visual img{width:100%;height:455px;object-fit:cover}.article-hero__visual figcaption{display:grid;grid-template-columns:1fr 1fr;margin-top:-46px;position:relative;color:#fff;font-size:12px}.article-hero__visual figcaption b{padding:13px 18px;background:rgba(16,17,19,.82)}.article-hero__visual figcaption b:last-child{background:rgba(227,6,19,.9);text-align:right}
.article-layout{display:grid;grid-template-columns:220px minmax(0,850px);gap:70px;align-items:start;padding-top:74px;padding-bottom:90px}.article-toc{position:sticky;top:190px;display:flex;flex-direction:column;border-top:4px solid var(--red);background:#f4f4f4;padding:20px}.article-toc b{margin-bottom:12px}.article-toc a{padding:8px 0;border-bottom:1px solid #ddd;color:#555;font-size:12px}.article-toc a:hover{color:var(--red)}.article-body{min-width:0}.article-body p{font-size:16px;line-height:1.68}.article-lead{margin:0 0 20px;font-size:21px!important;line-height:1.52!important;color:#333}.article-section{position:relative;padding:74px 0 0;scroll-margin-top:180px}.article-section__num{display:block;color:var(--red);font-size:12px;font-weight:900;letter-spacing:.18em}.article-section h2{max-width:760px;margin:10px 0 24px;font-size:40px;line-height:1.06;letter-spacing:-.025em}.article-section h3{margin:34px 0 14px;font-size:24px}.article-note,.article-example{margin:24px 0!important;padding:18px 20px;border-left:4px solid var(--red);background:#f5f5f5}
.thread-schemes{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:28px 0}.thread-schemes article{min-height:222px;padding:22px;background:#f3f4f5}.thread-schemes h3{margin:17px 0 7px;font-size:18px}.thread-schemes p{margin:0;font-size:12px;line-height:1.45}.thread-icon{position:relative;width:100%;height:58px}.thread-icon i{position:absolute;top:12px;width:42%;height:34px;border:9px double #242424}.thread-icon i:first-child{left:5%;border-right:0}.thread-icon i:last-child{right:5%;border-left:0}.thread-icon--taper i:first-child{transform:skewY(-7deg)}.thread-icon--taper i:last-child{transform:skewY(7deg)}.thread-icon--npt i{border-color:var(--red)}.seal-icon{width:74px;height:58px;display:grid;place-items:center;margin:auto;background:#252525;color:#fff;font-size:13px;font-weight:900;clip-path:polygon(0 0,100% 0,78% 50%,100% 100%,0 100%,22% 50%)}.seal-icon--oring{position:relative;clip-path:none;background:transparent;border:10px solid #252525}.seal-icon--oring i{width:18px;height:18px;border:5px solid var(--red);border-radius:50%}
.generation-compare{display:grid;grid-template-columns:1fr 58px 1fr;gap:12px;align-items:center}.generation-compare figure,.dies-compare figure,.machine-grid figure{margin:0;border:1px solid var(--line);background:#fff}.generation-compare img{width:100%;height:325px;object-fit:contain;padding:24px}.generation-compare figcaption,.dies-compare figcaption,.machine-grid figcaption{display:flex;flex-direction:column;padding:18px;border-top:1px solid var(--line)}.generation-compare figcaption span,.machine-grid figcaption span{margin-top:5px;color:#666;font-size:12px}.generation-compare__arrow{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:var(--red);color:#fff;font-size:28px;font-weight:900}.article-rule-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:16px;border:1px solid var(--line)}.article-rule-grid>div{padding:18px;border-right:1px solid var(--line)}.article-rule-grid>div:last-child{border:0}.article-rule-grid b,.article-rule-grid span{display:block}.article-rule-grid b{color:var(--red)}.article-rule-grid span{margin-top:5px;font-size:11px;color:#666}.dies-compare{display:grid;grid-template-columns:1fr 1fr;gap:14px}.dies-compare img{width:100%;height:280px;object-fit:contain;padding:22px}.dies-compare figcaption{font-weight:800}
.article-section--dark{margin-top:74px;padding:66px 52px;background:var(--article-dark);color:#fff}.article-section--dark p{color:#c8c9cb}.seat-compare{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:32px}.seat-compare article{padding:32px;background:#1a1c1f;border-top:3px solid var(--red)}.seat-compare h3{margin:16px 0 7px}.seat-badge{display:inline-block;margin-top:25px;color:var(--red);font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.12em}.seat-diagram{position:relative;width:210px;height:210px;margin:auto;border-radius:50%;background:radial-gradient(circle,#555 0 26%,#242629 27% 47%,#85888c 48% 54%,#303236 55%);box-shadow:inset 0 0 0 3px #aeb0b3,0 17px 25px rgba(0,0,0,.4)}.seat-diagram__core{position:absolute;inset:58px;background:#080909}.seat-diagram--octagon .seat-diagram__core{clip-path:polygon(29% 0,71% 0,100% 29%,100% 71%,71% 100%,29% 100%,0 71%,0 29%)}.seat-diagram--spline .seat-diagram__core{clip-path:polygon(46% 0,54% 0,57% 15%,65% 2%,72% 7%,69% 22%,82% 12%,88% 18%,78% 31%,94% 27%,97% 36%,81% 42%,100% 46%,100% 54%,81% 58%,97% 64%,94% 73%,78% 69%,88% 82%,82% 88%,69% 78%,72% 93%,65% 98%,57% 85%,54% 100%,46% 100%,43% 85%,35% 98%,28% 93%,31% 78%,18% 88%,12% 82%,22% 69%,6% 73%,3% 64%,19% 58%,0 54%,0 46%,19% 42%,3% 36%,6% 27%,22% 31%,12% 18%,18% 12%,31% 22%,28% 7%,35% 2%,43% 15%)}.seat-warning{display:flex;justify-content:space-between;gap:30px;margin-top:16px;padding:17px 0;border-top:1px solid #383b3f;color:#bfc1c4;font-size:12px}.seat-warning b{color:#fff}
.article-table-wrap{overflow-x:auto;border:1px solid var(--line)}.article-table{width:100%;min-width:630px;border-collapse:collapse;font-size:13px}.article-table th{padding:13px 12px;background:#171717;color:#fff;text-align:left}.article-table td{padding:12px;border-bottom:1px solid #e4e4e4}.article-table tbody tr:nth-child(even){background:#f5f5f5}.article-table td:nth-child(n+2){font-weight:700}.article-table td:nth-child(3),.article-table td:nth-child(5){color:var(--red)}.machine-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.machine-grid img{width:100%;height:290px;object-fit:contain;padding:22px}.selection-steps{list-style:none;counter-reset:steps;margin:0;padding:0;border-top:1px solid #ccc}.selection-steps li{counter-increment:steps;display:grid;grid-template-columns:48px 210px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid #ccc;align-items:start}.selection-steps li:before{content:counter(steps,decimal-leading-zero);color:var(--red);font-weight:900}.selection-steps span{color:#666;font-size:13px}.photo-checklist{display:flex;align-items:center;justify-content:space-between;gap:30px;margin-top:38px;padding:30px;background:#f2f2f2;border-left:5px solid var(--red)}.photo-checklist h3{margin:0 0 5px}.photo-checklist p{margin:0;font-size:13px}.photo-checklist .button{flex-shrink:0}.article-source{margin-top:60px;padding-top:26px;border-top:1px solid #ccc;color:#777}.article-source p{font-size:12px}
@media(max-width:1050px){.article-hero__grid{grid-template-columns:1fr}.article-hero__visual img{height:auto}.article-layout{grid-template-columns:1fr;gap:25px}.article-toc{position:static;display:grid;grid-template-columns:repeat(3,1fr)}.article-toc b{grid-column:1/-1}.article-card--featured{grid-template-columns:1fr}.article-card__image{min-height:350px}}
@media(max-width:760px){.article-card__body{padding:26px}.article-card__body h2{font-size:30px}.article-hero{padding-top:35px}.article-hero .breadcrumbs{margin-bottom:28px}.article-hero h1{font-size:43px}.article-layout{padding-top:45px}.article-toc{grid-template-columns:1fr 1fr}.article-section{padding-top:58px}.article-section h2{font-size:33px}.thread-schemes{grid-template-columns:1fr 1fr}.generation-compare{grid-template-columns:1fr}.generation-compare__arrow{transform:rotate(90deg);margin:auto}.article-rule-grid{grid-template-columns:1fr}.article-rule-grid>div{border-right:0;border-bottom:1px solid var(--line)}.article-rule-grid>div:last-child{border-bottom:0}.article-section--dark{margin-left:-12px;margin-right:-12px;padding:45px 20px}.seat-compare,.dies-compare,.machine-grid{grid-template-columns:1fr}.selection-steps li{grid-template-columns:40px 1fr}.selection-steps span{grid-column:2}.photo-checklist{align-items:flex-start;flex-direction:column}.photo-checklist .button{width:100%}}
@media(max-width:480px){.article-card__image{min-height:240px}.article-card__body h2{font-size:27px}.article-hero h1{font-size:37px}.article-hero__visual img{height:250px}.article-toc{grid-template-columns:1fr}.thread-schemes{grid-template-columns:1fr}.generation-compare img,.dies-compare img,.machine-grid img{height:240px}.seat-diagram{width:170px;height:170px}.seat-diagram__core{inset:47px}.seat-warning{flex-direction:column;gap:5px}}

.article-product-link{display:inline-flex;align-items:center;gap:5px;color:var(--red);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}.article-product-link:after{content:"↗";font-size:10px;text-decoration:none}.article-product-link:hover{color:var(--red-dark)}.article-sku-search{display:grid;grid-template-columns:1fr 220px 150px;gap:18px;align-items:end;margin-top:42px;padding:28px;background:#171717;color:#fff}.article-sku-search h3{margin:9px 0 4px}.article-sku-search p{margin:0;color:#bbb;font-size:12px}.article-sku-search label span{display:block;margin-bottom:6px;color:#bbb;font-size:11px;font-weight:700}.article-sku-search input{width:100%;height:48px;padding:0 13px;border:1px solid #555;background:#fff;color:#222;outline:none}.article-sku-search input:focus{border-color:var(--red)}.article-sku-search .button{height:48px}
.product-article-section{padding:0 0 55px}.product-article-link{display:grid;grid-template-columns:300px 1fr;align-items:center;overflow:hidden;border:1px solid #ddd;background:#f4f4f4}.product-article-link img{width:100%;height:230px;object-fit:cover}.product-article-link>div{padding:30px 38px}.product-article-link h2{margin:7px 0 9px;font-size:28px}.product-article-link p{max-width:650px;margin:0 0 12px;color:#555}.catalog-article-link{display:grid;grid-template-columns:210px 1fr;margin:0 0 26px;overflow:hidden;background:#171717;color:#fff}.catalog-article-link img{width:100%;height:178px;object-fit:cover}.catalog-article-link>div{padding:22px 26px}.catalog-article-link span{color:var(--red);font-size:10px;font-weight:900;text-transform:uppercase;letter-spacing:.1em}.catalog-article-link h2{margin:6px 0 4px;font-size:25px}.catalog-article-link p{margin:0 0 10px;color:#bbb;font-size:12px}.catalog-article-link a{color:#fff;font-size:13px;font-weight:900}.catalog-article-link a:hover{color:var(--red)}
@media(max-width:760px){.article-sku-search{grid-template-columns:1fr}.article-sku-search .button{width:100%}.product-article-link,.catalog-article-link{grid-template-columns:1fr}.product-article-link img{height:210px}.product-article-link>div{padding:25px}.catalog-article-link img{height:190px}.catalog-article-link>div{padding:22px}.product-article-section{padding-bottom:40px}}

/* Threading heads guide */
.article-index--grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.article-index--grid .article-card--featured{grid-column:1/-1}.article-card--compact{display:grid;grid-template-columns:260px 1fr;overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:0 12px 32px rgba(0,0,0,.06)}.article-card--compact .article-card__image{min-height:330px}.article-card--compact .article-card__body{padding:34px}.article-card--compact .article-card__body h2{font-size:28px}.article-card--compact .article-card__body p{font-size:14px}.threading-guide .article-hero__visual img{object-fit:contain;padding:32px;background:#fff}.threading-guide .article-hero__visual figcaption{grid-template-columns:1fr 1fr}.head-anatomy{display:grid;grid-template-columns:minmax(280px,.8fr) minmax(0,1.2fr);gap:20px;align-items:stretch}.head-anatomy figure{display:grid;place-items:center;margin:0;border:1px solid var(--line);background:#f5f5f5}.head-anatomy img{width:100%;height:100%;max-height:580px;object-fit:contain;padding:24px}.head-anatomy ol{list-style:none;counter-reset:anatomy;margin:0;padding:0;border-top:1px solid var(--line)}.head-anatomy li{counter-increment:anatomy;display:grid;grid-template-columns:38px 145px 1fr;gap:12px;padding:16px 0;border-bottom:1px solid var(--line);align-items:start}.head-anatomy li:before{content:counter(anatomy,decimal-leading-zero);color:var(--red);font-weight:900}.head-anatomy li span{color:#666;font-size:12px;line-height:1.45}.head-type-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.head-type-grid article{padding:24px;background:#f3f4f5;border-top:4px solid #171717}.head-type-grid article>span{color:var(--red);font-size:11px;font-weight:900;letter-spacing:.12em}.head-type-grid h3{margin:10px 0 9px;font-size:19px}.head-type-grid p{margin:0;font-size:12px;line-height:1.55}.drive-groups{display:grid;gap:10px}.drive-groups article{display:grid;grid-template-columns:68px 1fr;gap:22px;align-items:center;padding:20px 24px;border:1px solid var(--line)}.drive-groups article>b{display:grid;place-items:center;width:58px;height:58px;border-radius:50%;background:#171717;color:#fff;font-size:22px}.drive-groups article:nth-child(3)>b{background:var(--red)}.drive-groups h3{margin:0 0 5px;font-size:19px}.drive-groups p{margin:0;color:#666;font-size:12px}.selection-matrix{display:grid;grid-template-columns:1fr 1fr;margin:28px 0;border:1px solid var(--line)}.selection-matrix>div{padding:20px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.selection-matrix>div:nth-child(2n){border-right:0}.selection-matrix>div:nth-last-child(-n+2){border-bottom:0}.selection-matrix span,.selection-matrix b{display:block}.selection-matrix span{margin-bottom:7px;color:#777;font-size:11px}.selection-matrix b{font-size:14px}.article-inline-link{color:var(--red);font-weight:800;text-decoration:underline;text-underline-offset:3px}.workflow-steps{list-style:none;margin:30px 0 0;padding:0}.workflow-steps li{display:grid;grid-template-columns:54px 1fr;gap:16px;padding:18px 0;border-top:1px solid #383b3f}.workflow-steps li>span{color:var(--red);font-weight:900}.workflow-steps b{font-size:17px}.workflow-steps p{margin:4px 0 0;color:#bfc1c4;font-size:12px}.article-video{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:#111;box-shadow:0 18px 42px rgba(0,0,0,.18)}.article-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.article-video__link{margin-top:12px!important;text-align:right;font-size:12px!important}.article-video__link a{color:var(--red);font-weight:800}.mistakes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.mistakes-grid article{min-height:150px;padding:22px;border:1px solid var(--line);border-top:4px solid var(--red)}.mistakes-grid b{font-size:15px}.mistakes-grid p{margin:8px 0 0;color:#666;font-size:12px;line-height:1.5}.care-strip{display:grid;grid-template-columns:repeat(3,1fr);margin-top:18px;background:#171717;color:#fff}.care-strip>div{padding:20px;border-right:1px solid #393939}.care-strip>div:last-child{border:0}.care-strip b,.care-strip span{display:block}.care-strip b{color:var(--red);font-size:12px}.care-strip span{margin-top:6px;color:#bbb;font-size:11px}.article-product-grid{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:24px}.article-faq details{border-top:1px solid var(--line)}.article-faq details:last-child{border-bottom:1px solid var(--line)}.article-faq summary{position:relative;padding:20px 45px 20px 0;cursor:pointer;font-weight:800;list-style:none}.article-faq summary::-webkit-details-marker{display:none}.article-faq summary:after{content:"+";position:absolute;right:10px;top:15px;color:var(--red);font-size:25px}.article-faq details[open] summary:after{content:"−"}.article-faq details p{margin:0;padding:0 45px 20px 0;color:#666;font-size:13px}.product-article-link__actions{display:flex;flex-wrap:wrap;gap:12px 24px}.text-link--muted{color:#666}
@media(max-width:1050px){.article-index--grid{grid-template-columns:1fr}.article-card--compact{grid-template-columns:1fr 1fr}.head-anatomy{grid-template-columns:1fr}.head-anatomy figure{height:430px}}
@media(max-width:760px){.article-card--compact{grid-template-columns:1fr}.article-card--compact .article-card__image{min-height:240px}.head-anatomy li{grid-template-columns:34px 1fr}.head-anatomy li span{grid-column:2}.head-type-grid,.mistakes-grid{grid-template-columns:1fr}.selection-matrix,.care-strip{grid-template-columns:1fr}.selection-matrix>div,.selection-matrix>div:nth-child(2n){border-right:0;border-bottom:1px solid var(--line)}.selection-matrix>div:last-child{border-bottom:0}.care-strip>div{border-right:0;border-bottom:1px solid #393939}.care-strip>div:last-child{border-bottom:0}.article-product-grid{grid-template-columns:1fr}.threading-guide .article-hero__visual img{height:330px}.drive-groups article{grid-template-columns:55px 1fr;padding:18px}.drive-groups article>b{width:48px;height:48px}.article-card--compact .article-card__body{padding:26px}}
.article-index--grid .article-card--compact{grid-column:1/-1}.article-index--grid .article-card--featured:first-child .article-card__image img{object-fit:contain;padding:30px;background:#f5f5f5}
.article-card--calculator .article-card__image{position:relative;background:linear-gradient(145deg,#f6f6f6,#e8e9eb)}.article-card--calculator .article-card__image img{object-fit:contain;padding:25px}.article-card__tool-badge{position:absolute;left:18px;top:18px;padding:8px 12px;background:var(--red);color:#fff;font-size:10px;font-weight:900;text-transform:uppercase;letter-spacing:.12em}.product-calculator-link{border-left:5px solid var(--red);background:linear-gradient(110deg,#f4f4f4 0 72%,#ececee 72%)}.product-calculator-link img{object-fit:contain;padding:18px;background:#fff}.product-calculator-link .text-link{display:inline-flex;margin-top:2px;font-size:14px;font-weight:900}

/* Pipe bending calculator */
.page-hero--bend-calculator h1{max-width:980px}.page-hero--bend-calculator p{max-width:900px}.bending-calculator-page{background:#f3f4f5}.bending-calculator-intro{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.8fr);gap:40px;align-items:end;margin-bottom:28px}.bending-calculator-intro h2{max-width:720px;margin:8px 0 0;font-size:36px;line-height:1.08}.bending-calculator-intro p{margin:0;color:#5d6064;font-size:15px;line-height:1.6}.bending-calculator{display:grid;grid-template-columns:minmax(360px,.78fr) minmax(520px,1.22fr);overflow:hidden;border:1px solid #d8dadd;background:#fff;box-shadow:0 24px 55px rgba(0,0,0,.09)}.bending-calculator__controls{padding:36px;border-right:1px solid #ddd}.bending-calculator__controls fieldset{margin:0;padding:0;border:0}.bend-shape-picker legend{margin-bottom:10px;font-size:13px;font-weight:900}.bend-shape-picker{display:grid!important;grid-template-columns:repeat(3,1fr);gap:7px}.bend-shape-picker legend{grid-column:1/-1}.bend-shape-picker label,.bend-angle-picker label{cursor:pointer}.bend-shape-picker input,.bend-angle-picker input{position:absolute;opacity:0;pointer-events:none}.bend-shape-picker span,.bend-angle-picker label span{display:grid;place-items:center;height:48px;border:1px solid #cfd1d4;background:#fff;font-weight:900;transition:.16s}.bend-shape-picker input:checked+span,.bend-angle-picker input:checked+span{border-color:var(--red);background:var(--red);color:#fff}.bend-shape-hint,.bend-dimension-hint{margin:10px 0 25px;color:#676a6f;font-size:12px;line-height:1.45}.bend-fields{display:grid;gap:14px}.bend-fields--two{grid-template-columns:1fr 1fr}.bend-fields label,.bend-advanced label{font-size:12px;font-weight:800}.bend-fields input,.bend-fields select,.bend-advanced input,.bend-advanced select{width:100%;height:48px;margin-top:7px;padding:0 12px;border:1px solid #c9ccd0;background:#fff;color:#1b1c1e;font:inherit;font-size:15px;outline:none}.bend-fields input:focus,.bend-fields select:focus,.bend-advanced input:focus,.bend-advanced select:focus{border-color:var(--red);box-shadow:0 0 0 2px rgba(227,6,19,.08)}.bend-fields-title{display:flex;justify-content:space-between;align-items:center;margin:25px 0 9px}.bend-fields-title b{font-size:13px}.bend-fields-title span{color:#777;font-size:11px}.bend-angle-picker{margin:24px 0;padding:19px;background:#f0f1f2}.bend-angle-picker>b{display:block;margin-bottom:10px;font-size:12px}.bend-angle-picker>div{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.bend-angle-picker label span{height:40px;background:#fff}.bend-angle-picker small{display:block;margin-top:10px;color:#666;line-height:1.45}.bend-advanced{margin-top:22px;border-top:1px solid #ddd;border-bottom:1px solid #ddd}.bend-advanced summary{position:relative;padding:17px 34px 17px 0;cursor:pointer;font-size:13px;font-weight:900;list-style:none}.bend-advanced summary::-webkit-details-marker{display:none}.bend-advanced summary:after{content:"+";position:absolute;right:4px;top:10px;color:var(--red);font-size:27px}.bend-advanced[open] summary:after{content:"−"}.bend-advanced__body{display:grid;grid-template-columns:1fr 1fr;gap:18px 14px;padding:0 0 22px}.bend-advanced label small{display:block;margin-top:7px;color:#777;font-size:10px;font-weight:400;line-height:1.4}.bend-form-note{margin-top:18px;padding:13px 15px;border-left:3px solid #222;background:#f1f2f3;color:#52555a;font-size:11px;line-height:1.45}.bend-form-note.is-warning{border-color:#d48a00;background:#fff7e8;color:#744b00}.bend-error{margin-top:14px;padding:13px 15px;border-left:4px solid var(--red);background:#fff0f1;color:#9b000a;font-size:12px;font-weight:700}.bending-calculator__result{min-width:0;padding:36px;background:#f9f9f9}.bend-cut-result{padding:27px 30px;background:#171819;color:#fff}.bend-cut-result>span{display:block;color:#bfc1c4;font-size:12px;font-weight:700}.bend-cut-result strong{display:block;margin:5px 0 7px;color:#fff;font-size:48px;line-height:1}.bend-cut-result strong small{font-size:18px}.bend-cut-result p{margin:0;color:#bfc1c4;font-size:11px}.bend-scheme{margin-top:18px;border:1px solid #dcdee1;background:#fff}.bend-scheme svg{display:block;width:100%;height:auto;max-height:340px}.bend-scheme path{fill:none;stroke:#e30613;stroke-width:18;stroke-linecap:round;stroke-linejoin:round}.bend-scheme text{fill:#252628;font-size:20px;font-weight:900}.bend-scheme>div{display:flex;justify-content:space-between;gap:20px;padding:13px 16px;border-top:1px solid #e2e3e5;font-size:11px}.bend-scheme>div span{color:#666;text-align:right}.bend-marks{margin-top:25px}.bend-marks h2{margin:0 0 4px;font-size:25px}.bend-marks>p{margin:0 0 14px;color:#676a6f;font-size:11px}.bend-marks__table-wrap{overflow-x:auto}.bend-marks table{width:100%;border-collapse:collapse;background:#fff;font-size:12px}.bend-marks th{padding:11px 13px;background:#27282a;color:#fff;text-align:left}.bend-marks td{padding:13px;border-bottom:1px solid #e4e5e6;font-weight:700}.bend-marks td:nth-child(n+2){font-size:14px}.bend-marks__note{margin:12px 0 8px!important}.bend-straights{padding:12px 14px;border-left:3px solid var(--red);background:#eceef0;color:#45474a!important;line-height:1.45}.bend-guide{margin-top:30px;border:1px solid #d7d9dc;background:#fff}.bend-guide summary{padding:22px 26px;cursor:pointer;font-size:17px;font-weight:900}.bend-guide__content{padding:0 26px 25px}.bend-guide ol{display:grid;grid-template-columns:1fr 1fr;gap:0 32px;margin:0;padding-left:21px}.bend-guide li{padding:13px 0;border-top:1px solid #e2e3e5}.bend-guide li b,.bend-guide li span{display:block}.bend-guide li span{margin-top:4px;color:#666;font-size:12px;line-height:1.45}.bend-calculator-warning{display:grid;grid-template-columns:85px 1fr;gap:18px;margin-top:20px;padding:21px 24px;background:#171819;color:#fff}.bend-calculator-warning b{color:var(--red);text-transform:uppercase;letter-spacing:.08em}.bend-calculator-warning p{margin:0;color:#c8c9cb;font-size:12px;line-height:1.55}
@media(max-width:1000px){.bending-calculator-intro{grid-template-columns:1fr}.bending-calculator{grid-template-columns:1fr}.bending-calculator__controls{border-right:0;border-bottom:1px solid #ddd}.bend-scheme svg{max-height:300px}}
@media(max-width:650px){.bending-calculator-intro h2{font-size:29px}.bending-calculator__controls,.bending-calculator__result{padding:22px}.bend-fields--two,.bend-advanced__body,.bend-guide ol{grid-template-columns:1fr}.bend-cut-result{padding:23px}.bend-cut-result strong{font-size:40px}.bend-scheme>div{flex-direction:column;gap:4px}.bend-scheme>div span{text-align:left}.bend-calculator-warning{grid-template-columns:1fr}.bend-angle-picker>div{grid-template-columns:1fr 1fr}.page-hero--bend-calculator h1{font-size:38px}}
.bend-scheme [hidden]{display:none!important}
.bend-scheme .bend-tube{fill:none;stroke-linecap:round;stroke-linejoin:round}.bend-scheme .bend-tube--shadow{stroke:#8e98a2;stroke-width:10}.bend-scheme .bend-tube--body{stroke:#f7f8f9;stroke-width:5}.bend-scheme .bend-point{fill:#e30613}.bend-scheme .bend-dimension,.bend-scheme .bend-tick{stroke:#a7afb6;stroke-width:1.5}.bend-scheme .bend-dimension-label{fill:#26313a;font-size:15px;font-weight:700}.bend-scheme .bend-point-label,.bend-scheme .bend-zero{fill:#34414b;font-size:14px;font-weight:700}

/* Universal pipe bending calculator */
.bending-calculator--universal [hidden]{display:none!important}.bending-calculator--universal{grid-template-columns:minmax(390px,.82fr) minmax(540px,1.18fr)}.bend-fields--three{grid-template-columns:repeat(3,minmax(0,1fr))}.bend-section-title{display:flex;align-items:center;gap:10px;margin:0 0 20px;font-size:20px}.bend-section-title:not(:first-child){margin-top:34px;padding-top:27px;border-top:1px solid #dfe1e4}.bend-section-title span{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#171819;color:#fff;font-size:12px}.bend-full-field{display:block;margin-top:14px;font-size:12px;font-weight:800}.bend-full-field>small{float:right;color:#7a7d81;font-weight:400}.bend-full-field input,.bend-full-field select{width:100%;height:48px;margin-top:7px;padding:0 12px;border:1px solid #c9ccd0;background:#fff;color:#1b1c1e;font:inherit;font-size:15px;outline:none}.bend-full-field input:focus,.bend-full-field select:focus{border-color:var(--red);box-shadow:0 0 0 2px rgba(227,6,19,.08)}.bend-shape-picker{grid-template-columns:repeat(5,1fr)}.bend-shape-picker span{height:58px;line-height:1}.bend-shape-picker span b,.bend-shape-picker span small{display:block}.bend-shape-picker span b{font-size:20px}.bend-shape-picker span small{margin-top:5px;font-size:9px;font-weight:700}.bend-fields label small{display:block;margin-top:6px;color:#777;font-size:10px;font-weight:400}.bend-angle-presets{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:9px 0 0}.bend-angle-presets span{margin-right:4px;color:#65686c;font-size:10px}.bend-angle-presets button{height:30px;padding:0 10px;border:1px solid #cfd1d4;background:#fff;color:#292b2e;font-size:11px;font-weight:800;cursor:pointer}.bend-angle-presets button:hover{border-color:var(--red);color:var(--red)}.bend-calibration .bend-advanced__body{padding-bottom:10px}.bend-secondary-button{width:100%;height:40px;margin:0 0 8px;border:1px solid #202225;background:#fff;color:#202225;font-weight:900;cursor:pointer}.bend-secondary-button:hover{background:#202225;color:#fff}.bend-calibration__message{min-height:16px;margin:0 0 12px;color:#666;font-size:10px}.bend-equipment-summary{margin:15px 0 0;padding:12px 15px;background:#eceff1;color:#45494d;font-size:11px}.bend-scheme h2,.bend-blank h2{margin:0;padding:20px 20px 0;font-size:20px}.bend-scheme svg{min-height:285px}.bend-svg-dims line{stroke:#a7afb6;stroke-width:1.5}.bend-svg-dims text{fill:#26313a;font-size:15px;font-weight:700}.bend-blank{margin-top:18px;padding:0 20px 20px;border:1px solid #dcdee1;background:#fff}.bend-blank h2{padding-left:0}.bend-blank>p{margin:15px 0 0;color:#676a6f;font-size:10px;line-height:1.45}.bend-blank__track{position:relative;height:105px;margin-top:10px;padding:0 12px}.bend-blank__line{position:absolute;left:12px;right:12px;top:50px;height:9px;border-radius:8px;background:linear-gradient(#9ba4ad,#eef0f2 48%,#7f8992)}.bend-blank__zero,.bend-blank__total{position:absolute;top:67px;color:#3d444a;font-size:10px;font-weight:800}.bend-blank__zero{left:10px}.bend-blank__total{right:9px}.bend-blank__mark{position:absolute;top:26px;z-index:2;transform:translateX(-50%);white-space:nowrap;text-align:center}.bend-blank__mark i{display:block;width:3px;height:38px;margin:auto;background:var(--red)}.bend-blank__mark b,.bend-blank__mark small{position:absolute;left:50%;transform:translateX(-50%);font-size:9px}.bend-blank__mark b{bottom:41px;color:#293138}.bend-blank__mark small{top:42px;color:#696e73}.bend-blank__mark--end{top:37px}.bend-blank__mark--end i{height:27px;background:#343a40}.bend-blank__mark--end small{top:31px}.bend-warnings{display:grid;gap:7px;margin-top:10px}.bend-warnings p{margin:0;padding:10px 12px;border-left:3px solid #d58a00;background:#fff7e8;color:#704900;font-size:10px;line-height:1.4}.bend-formula{margin:12px 0 0!important;padding-top:12px;border-top:1px solid #ddd;color:#666!important}.bend-result-actions{display:flex;gap:10px;margin-top:18px}.bend-result-actions .button{flex:1;border:0;cursor:pointer}.bend-result-actions .button--dark{background:#202225}.bend-result-actions .button--dark:hover{background:#000}.bend-marks table{min-width:530px}.bend-marks th:last-child,.bend-marks td:last-child{min-width:145px}.bend-marks td:nth-child(n+2){font-size:13px}
@media(max-width:1000px){.bending-calculator--universal{grid-template-columns:1fr}}
@media(max-width:650px){.bend-fields--three{grid-template-columns:1fr}.bend-shape-picker{grid-template-columns:repeat(3,1fr)}.bend-shape-picker label:nth-of-type(4),.bend-shape-picker label:nth-of-type(5){grid-column:span 1}.bend-section-title{font-size:18px}.bend-scheme svg{min-height:220px}.bend-result-actions{flex-direction:column}.bend-blank__track{margin-left:-8px;margin-right:-8px}.bend-equipment-summary{line-height:1.45}}
@media print{header,.page-hero,.bending-calculator-intro,.bending-calculator__controls,.bend-guide,.bend-calculator-warning,footer,.bend-result-actions{display:none!important}.bending-calculator-page{padding:0;background:#fff}.bending-calculator{display:block;border:0;box-shadow:none}.bending-calculator__result{padding:0;background:#fff}.bend-cut-result{-webkit-print-color-adjust:exact;print-color-adjust:exact}.bend-scheme svg{max-height:260px}.bend-warnings p{-webkit-print-color-adjust:exact;print-color-adjust:exact}}