/* Machined key profile: bitting cuts, vice jaws and a dimensioned manual. */
:root{--paper:#dce1e3;--white:#eff2f2;--ink:#25313a;--steel:#98a6ad;--brass:#b9955b;--line:#a9b5ba;--head:"Anek Bangla","Roboto Slab",serif;--body:"Hind Siliguri","Assistant",sans-serif;--surface:var(--paper);--text:var(--ink);--primary:#344f61;--font-head:var(--head);--font-body:var(--body)}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:400 18px/1.85 var(--body)}h1,h2,h3{font-family:var(--head);font-weight:600;line-height:1.8;overflow-wrap:anywhere}h1{font-size:clamp(30px,3.5vw,48px);margin:0}h2{font-size:29px;margin:0 0 24px}h3{font-size:24px}a{color:#344f61;text-underline-offset:4px}:focus-visible{outline:3px solid #755b35;outline-offset:4px}svg{display:block;max-width:100%}.skip{position:absolute;left:12px;top:-200px;background:var(--ink);color:var(--paper);padding:14px;z-index:99}.skip:focus{top:12px}header{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:12px max(10px,calc((100vw - 1320px)/2));background:var(--white);border-bottom:5px solid var(--steel)}.brand{display:flex;align-items:center;gap:10px;min-height:44px;font:600 25px/1 "Roboto Slab",serif;text-decoration:none;color:var(--ink)}.key-mark{display:block;width:30px;height:14px;border:3px solid var(--ink);border-radius:50% 0 0 50%;position:relative}.key-mark:after{content:"";position:absolute;right:-2px;bottom:-8px;width:14px;height:6px;background:var(--ink);clip-path:polygon(0 0,100% 0,100% 50%,66% 50%,66% 100%,33% 100%,33% 50%,0 50%)}.langs{display:flex;margin-left:auto}.langs a{display:grid;place-items:center;min-height:44px;min-width:44px;border:1px solid var(--line);font-size:14px;line-height:1;text-decoration:none}.langs a[aria-current]{background:var(--ink);color:var(--white)}.menu{display:flex;align-items:center;gap:10px;min-height:44px;min-width:44px;padding:8px;border:1px solid var(--ink);background:transparent;font:400 15px/1.8 var(--body)}.menu i{width:18px;height:14px;border-top:2px solid;border-bottom:2px solid;position:relative}.menu i:after{content:"";position:absolute;top:4px;left:0;right:0;border-top:2px solid}#site-nav{display:none;width:100%}header.open #site-nav{display:block}#site-nav ul{list-style:none;padding:0;margin:0}#site-nav a{display:flex;align-items:center;min-height:48px;padding:10px 0;border-top:1px solid var(--line);font-size:17px;text-decoration:none}.profile-open{max-width:1400px;margin:auto;padding:30px 10px;display:grid;gap:28px}.profile-title,.bench-copy{min-width:0;padding:0 6px}.badge{font-size:14px;color:#536974;margin-bottom:22px}.lead{font-size:19px;line-height:1.85}.button{display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:12px 24px;background:#344f61;color:var(--white);text-decoration:none;font-size:18px;box-shadow:0 4px 0 var(--steel)}.breadcrumbs ol{display:flex;gap:12px;flex-wrap:wrap;list-style:none;padding:0;margin:0 0 24px;font-size:15px}.breadcrumbs a{display:inline-flex;min-height:44px;align-items:center}.vice{min-width:0;padding:12px 0 0;border:1px solid #536b7d;background:#536b7d;position:relative;scroll-margin-top:24px;box-shadow:0 7px 0 #8598a0}.vice-jaw{height:13px;margin:0 10px 12px;background:repeating-linear-gradient(90deg,#bbc4c8 0 4px,#72868f 4px 6px);border:1px solid var(--ink)}.bench-label{font-size:15px;padding:0 12px 12px;display:flex;align-items:center;justify-content:space-between;color:var(--white)}.bench-label i{width:8px;height:8px;background:var(--brass)}.cutting-bed{height:18px;background:repeating-linear-gradient(90deg,var(--steel) 0 18px,#617983 18px 20px)}.facts{list-style:none;margin:25px 0 0;padding:0;border-top:1px solid var(--steel);font-size:16px}.facts li{padding:10px 0;border-bottom:1px solid var(--steel)}.profile-diagram{background:var(--white);border:1px solid var(--steel);padding:15px;min-width:0}.key-profile{max-height:370px;width:100%;height:100%;margin:auto}.key-manual{max-width:1280px;margin:auto;padding:35px 16px 50px;display:grid;gap:30px}.rail{min-width:0}.toc{border:1px solid #617983;background:var(--white)}.toc summary{min-height:54px;padding:14px;font-size:17px;cursor:pointer}.toc ol{list-style:none;padding:0;margin:0}.toc a{display:flex;gap:12px;min-height:44px;padding:12px 14px;border-top:1px solid var(--line);text-decoration:none;color:var(--ink);font-size:17px}.cut-no{font:400 14px/1.8 "Roboto Slab",serif;flex:none;color:#617983}.profile-sample{display:none}article{min-width:0}.chapter{padding:24px 0;border-top:3px solid var(--steel);margin-bottom:20px}.key-tooth{display:inline-block;width:21px;height:16px;margin-right:14px;background:var(--brass);clip-path:polygon(0 0,100% 0,100% 30%,75% 30%,75% 100%,50% 100%,50% 60%,25% 60%,25% 100%,0 100%)}.prose{font-size:18px;line-height:1.85}.prose li{margin:12px 0}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:17px}td,th{padding:12px;border:1px solid var(--line);text-align:left;vertical-align:top}th{background:#bfcbd0}.faq details{border-top:1px solid var(--steel)}.faq summary{min-height:56px;padding:16px 0;font-size:19px;line-height:1.8;cursor:pointer}.cta{padding:25px;background:var(--white);border-left:6px solid var(--brass)}.related{padding:40px max(16px,calc((100vw - 1248px)/2));background:#bfcbd0;border-top:1px solid var(--ink)}.cut-cards{display:grid;gap:18px}.cut-cards a{display:block;padding:24px;border:1px solid #617983;background:var(--white);color:var(--ink);text-decoration:none;border-left:7px solid var(--brass)}.cut-cards strong{display:block;font:600 25px/1.8 var(--head)}.cut-cards p{font-size:17px;margin-top:18px}.key-tag{display:block;width:40px;height:20px;border:1px solid var(--ink);border-right:12px solid var(--brass);margin-bottom:20px}footer{padding:40px max(16px,calc((100vw - 1248px)/2));background:var(--ink);color:var(--paper)}footer .brand{color:var(--paper)}footer .key-mark{border-color:var(--paper)}footer .key-mark:after{background:var(--paper)}.footer-copy p{max-width:75ch;font-size:17px;margin:25px 0}.footer-nav{display:grid;gap:24px}.footer-nav nav{display:grid}.footer-nav a{display:flex;align-items:center;min-height:44px;color:var(--paper);font-size:17px}.imprint{display:flex;gap:18px;flex-wrap:wrap;align-items:center;border-top:1px solid var(--steel);padding-top:20px;margin-top:30px;font-size:14px}.imprint b{padding:10px;border:1px solid var(--steel)}.imprint .langs a{color:var(--paper)}.missing{max-width:850px;margin:auto;padding:50px 16px}:lang(bn){letter-spacing:0;text-transform:none}@media(max-width:420px){.menu-label{position:absolute;clip:rect(0 0 0 0);width:1px;height:1px;overflow:hidden}}@media(min-width:700px){.profile-open{grid-template-columns:minmax(0,1fr) minmax(300px,420px);padding:40px 30px;gap:32px}.profile-title{grid-column:1/-1}.vice{grid-column:2;grid-row:2}.bench-copy{grid-column:1;grid-row:2}.profile-diagram{grid-column:1/-1;display:flex}.key-profile{max-height:280px}.key-manual{padding:40px 30px}.cut-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-nav{grid-template-columns:1fr 1fr}}@media(min-width:1100px){.menu{display:none}#site-nav{display:block;width:auto;margin-left:auto}#site-nav ul{display:flex;gap:18px}#site-nav a{border:0;font-size:15px}.langs{order:3;margin-left:16px}.profile-open{grid-template-columns:180px minmax(0,1fr) minmax(300px,470px);gap:25px 40px;padding:45px 30px}.profile-diagram{grid-column:1;grid-row:1/3}.key-profile{max-height:none}.profile-title{grid-column:2/4;grid-row:1}.bench-copy{grid-column:2;grid-row:2}.vice{grid-column:3;grid-row:2}.key-manual{grid-template-columns:minmax(0,1fr) 280px;gap:70px}.rail{grid-column:2;grid-row:1;position:sticky;top:20px;align-self:start}article{grid-column:1;grid-row:1}.profile-sample{display:block;margin-top:25px;padding:15px;border:1px solid var(--steel);background:var(--white)}.profile-sample .key-profile{height:270px}.cut-cards{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}

.prose,.lead{overflow-wrap:anywhere}.key-profile{height:auto;max-height:600px}.profile-diagram{align-items:flex-start}

.key-profile{margin:0 auto}.profile-diagram{padding-top:30px}
