@font-face{font-stretch:110% 118%;font-family:archivo;src:url(../media/Archivo_Tech_Subset-s.17nzvyqf0ivet.woff2)format("woff2");font-display:swap;font-weight:700 800;font-style:normal}@font-face{font-family:archivo Fallback;src:local(Arial);ascent-override:74.47%;descent-override:17.81%;line-gap-override:0.0%;size-adjust:117.9%}.archivo_ea0e10f9-module__zHMFAa__className{font-family:archivo,archivo Fallback;font-style:normal}.archivo_ea0e10f9-module__zHMFAa__variable{--font-archivo:"archivo", "archivo Fallback"}
@font-face{font-family:plexSans500;src:url(../media/IBMPlexSans_500-s.2broe1i9movoa.woff2)format("woff2");font-display:swap;font-weight:500;font-style:normal}@font-face{font-family:plexSans500 Fallback;src:local(Arial);ascent-override:98.98%;descent-override:26.56%;line-gap-override:0.0%;size-adjust:103.55%}.plexsans500_dbe7086e-module__6EinXq__className{font-family:plexSans500,plexSans500 Fallback;font-style:normal;font-weight:500}.plexsans500_dbe7086e-module__6EinXq__variable{--font-plex-500:"plexSans500", "plexSans500 Fallback"}
@font-face{font-family:plexMono600;src:url(../media/IBMPlexMono_600-s.04jv21_rdbjv3.woff2)format("woff2");font-display:swap;font-weight:600;font-style:normal}@font-face{font-family:plexMono600 Fallback;src:local(Arial);ascent-override:77.95%;descent-override:20.91%;line-gap-override:0.0%;size-adjust:131.49%}.plexmono600_ad0ab50e-module__f654fW__className{font-family:plexMono600,plexMono600 Fallback;font-style:normal;font-weight:600}.plexmono600_ad0ab50e-module__f654fW__variable{--font-plex-mono-600:"plexMono600", "plexMono600 Fallback"}
.tech{--font-display:var(--font-archivo), "Helvetica Neue", Arial, sans-serif}.techroot.tech{width:100%;min-width:0;margin:0;display:block}.techpage,.techblocks,.tblock,.tech .wrap{min-width:0}.techpage,.techblocks,.tblock{max-width:100%}.tech h1,.secname,.phname,.spectext,.speclist dd{overflow-wrap:break-word}.hubnum{font-family:var(--font-display);color:var(--oxide);font-weight:800;font-stretch:112%}.tech .hero h1{font-family:var(--font-plex), "Helvetica Neue", Arial, sans-serif;font-weight:600;font-stretch:100%;font-size:var(--fs-h1);letter-spacing:-.02em;line-height:1.02}.tech .ptext h1,.tech .ptext h2{font-family:var(--font-plex), "Helvetica Neue", Arial, sans-serif;font-weight:600;font-stretch:100%;font-size:var(--fs-h2);letter-spacing:-.015em;line-height:1.08}.tech .ptext h2{border-bottom:3px solid var(--oxide);padding-bottom:14px}.techpage{padding:0}.crumbs{color:var(--muted);flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:22px;font-size:13px;display:flex}.crumbs a{color:var(--ink);text-decoration:none}.crumbs a:hover{text-underline-offset:3px;text-decoration:underline}.techhead{justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px;display:flex}.techhead>div:first-child{flex:1;min-width:0}.eyebrow,.blocklabel,.speclabel,.formulas h3,.codechip{font-family:var(--font-plex-mono-600), var(--font-plex-mono), monospace;font-weight:600}.eyebrow{color:var(--oxide);letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px;font-size:13px}.imperial-note{color:var(--muted);margin-top:10px;font-size:13px;display:none}html[data-units=imperial] .imperial-note{display:block}[data-u=i],html[data-units=imperial] [data-u=m]{display:none}html[data-units=imperial] [data-u=i]{display:inline}.utilities{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;display:flex}.units,.seg{border:1px solid var(--ink);background:var(--paper);margin:0;padding:0;display:inline-flex}.units legend,.seg legend{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.units label,.seg label{cursor:pointer;align-items:center;min-height:44px;padding:0 14px;font-size:14px;font-weight:600;display:inline-flex;position:relative}.units input,.seg input{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}:is(.units label:has(:checked),.seg label:has(:checked)){background:var(--ink);color:var(--paper)}.printbtn,.utilities>a,.copybtn,.deeplink,.filterbox input,.calc input,.calc select,.sortbtn{min-height:44px}.printbtn,.utilities>a,.copybtn{border:1px solid var(--line);background:var(--paper);color:var(--ink);font:inherit;align-items:center;padding:0 12px;font-size:13px;text-decoration:none;display:inline-flex}.techblocks>*+*{margin-top:28px}.secintro{grid-template-columns:auto minmax(0,1fr);align-items:start;gap:18px 22px;margin:8px 0 22px;display:grid}.secnum{letter-spacing:-.03em;color:var(--oxide);font-size:64px;font-weight:800;font-stretch:112%;line-height:.8}.secname{text-transform:uppercase;letter-spacing:-.02em;margin-bottom:10px;font-size:clamp(26px,3vw,38px);font-weight:800;font-stretch:118%;line-height:.95}.secintro p{max-width:62ch}.chips{z-index:4;background:var(--paper);flex-wrap:wrap;gap:8px;margin-top:14px;padding:8px 0;list-style:none;display:flex;position:sticky;top:72px}.chips a,.chips span{border:1px solid var(--ink);min-height:44px;font-family:var(--font-plex-mono), monospace;color:var(--ink);align-items:center;padding:0 10px;font-size:12px;text-decoration:none;transition:transform .16s ease-out;display:inline-flex}.chips a[aria-current=page]{background:var(--ink);color:var(--paper)}.chips a:active{transform:scale(.97)}@media (prefers-reduced-motion:reduce){.chips a{transition:none}}.phead p{color:var(--muted);margin-top:6px}.btitle{justify-content:space-between;align-items:center;gap:12px;display:flex}.btitletools{align-items:center;gap:8px;margin-left:auto;display:flex}.btitle h3,.formulas h3,.note h3{font-family:var(--font-plex-mono-600), var(--font-plex-mono), monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--oxide);font-size:13px;font-weight:600}.phname{font-family:var(--font-plex), "Helvetica Neue", Arial, sans-serif;font-size:clamp(26px,2.4vw,32px);font-weight:600;font-stretch:100%}.codechip{background:var(--oxide);color:#fff;letter-spacing:0;text-transform:none;vertical-align:middle;align-items:center;min-height:28px;margin-right:10px;padding:5px 8px;font-size:13px;display:inline-flex}.phead{margin-top:64px}.techblocks>div:first-child .phead{margin-top:0}.phead h2{border-bottom:3px solid var(--oxide);padding-bottom:10px;font-weight:600}.phead p{font-size:16px}.deeplink{opacity:0;width:44px;color:var(--oxide);font-family:var(--font-plex-mono), monospace;background:0 0;border:0}.btitle:hover .deeplink,.deeplink:focus{opacity:1}.pair{grid-template-columns:minmax(0,3fr) minmax(0,2fr);align-items:start;gap:28px;display:grid}.pair.figfirst{grid-template-columns:minmax(0,2fr) minmax(0,3fr)}.speclist{border-top:1px solid var(--ink)}.speclist div{border-bottom:1px solid var(--tech-rule,#cfcbc4);grid-template-columns:minmax(120px,34%) minmax(0,1fr);gap:12px;padding:10px 0;display:grid}.speclist dt{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-size:13px}.speclist dd{font-family:var(--font-plex-500), var(--font-plex), sans-serif;font-size:15px;font-weight:500}.techblocks>div>.tech-figure{max-width:640px;margin-inline:auto}.tech-figure{background:#f1efeb;padding:16px}.tech-figure svg{width:100%;height:auto;display:block}.tech-figure svg text{font-family:var(--font-plex-mono), monospace}.tech-figure figcaption{color:var(--muted);margin-top:8px;font-size:13px}.tblock{margin-top:8px}.tscroll{max-width:100%;overflow-x:auto}.tech table{border-collapse:collapse;width:max-content;min-width:100%;font-size:15px}.tech th,.tech td{text-align:left;vertical-align:top;border-bottom:1px solid #cfcbc4;padding:8px 10px}.tech thead th{color:#fff;text-transform:uppercase;letter-spacing:.04em;background:#16181b;font-size:13px;font-weight:600}.tech tbody th{background:var(--paper);font-weight:600}.tech thead th:first-child,.tech tbody th:first-child{position:sticky;left:0}.tech thead button{min-height:44px;color:inherit;font:inherit;text-transform:inherit;letter-spacing:inherit;text-align:left;background:0 0;border:0;padding:0}.filterin{border:1px solid var(--ink);background:var(--paper) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%231C1F22' stroke-width='1.6'%3E%3Ccircle cx='7' cy='7' r='4.5'/%3E%3Cpath d='M10.5 10.5 14 14'/%3E%3C/svg%3E") no-repeat 10px center;width:min(240px,70vw);min-height:40px;font:inherit;color:var(--ink);padding:0 12px 0 32px}.calc input,.calc select{border:1px solid var(--ink);background:var(--paper);width:100%;min-height:48px;font:inherit;color:var(--ink);padding:0 12px}.calc select{appearance:none;background-image:linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%);background-position:calc(100% - 18px),calc(100% - 12px);background-repeat:no-repeat;background-size:6px 6px,6px 6px;padding-right:32px}.note{background:#f1efeb;padding:16px 18px}.note ul{margin-top:8px;padding:0;list-style:none}.note li{padding-left:1em}.note li:before{content:"– ";color:var(--oxide);margin-left:-1em}.specify{border:1px solid var(--ink);grid-template-columns:auto minmax(0,1fr) auto;align-items:stretch;display:grid}.speclabel{background:var(--ink);color:#fff;letter-spacing:.08em;align-items:center;padding:0 12px;font-size:13px;display:flex}.spectext{font-family:var(--font-plex-mono), monospace;padding:12px;font-size:13px}.formulas{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px;display:grid}.formulas article{border:1px solid var(--line);padding:14px}.formula{font-family:var(--font-plex-mono), monospace;margin:8px 0;font-size:16px}.formulas p:last-child{color:var(--muted);font-size:13px}.massgrid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.techp,.callout{color:var(--muted);font-size:14px}.callout{background:#f1efeb;padding:14px 16px}.checklist ol,.anatomy ol,.services ul{padding:0;list-style:none}.checklist ol{grid-template-columns:1fr 1fr;gap:16px 28px;margin-top:12px;display:grid}.checklist li span{font-family:var(--font-plex-mono), monospace;color:var(--oxide);font-size:13px}.checklist ol h3{font-family:var(--font-plex), sans-serif;letter-spacing:0;text-transform:none;color:var(--ink);font-size:16px;font-weight:600}.anatomy ol{border:1px solid var(--ink);flex-wrap:wrap;margin-top:12px;display:flex}.anatomy li{border-right:1px solid var(--line);flex:120px;padding:10px 12px}.anatomy li span{font-family:var(--font-plex-mono), monospace;display:block}.anatomy small{color:var(--oxide);letter-spacing:.08em;text-transform:uppercase;margin-top:4px;font-size:13px;display:block}.services ul{columns:2;margin:12px 0}.services li{border-top:1px solid var(--line);break-inside:avoid;padding:8px 0}.services p{color:var(--muted);font-size:14px}.dots{gap:4px;display:inline-flex}.dot{border:1px solid #16181b;border-radius:50%;width:8px;height:8px}.dot.on{background:#16181b}.term{font:inherit;color:inherit;text-underline-offset:3px;cursor:pointer;background:0 0;border:0;min-height:44px;padding:0;-webkit-text-decoration:underline dotted;text-decoration:underline dotted;display:inline}.gdef{border:1px solid var(--line);background:var(--paper);width:min(280px,70vw);color:var(--ink);font:13px/1.4 var(--font-plex), sans-serif;margin:0;padding:10px 12px;position:fixed;inset:auto}.trust{border-top:1px solid var(--line);color:var(--muted);flex-direction:column;gap:6px;margin-top:56px;padding-top:16px;font-size:14px;display:flex}.onward{margin:28px 0 36px}.vh{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.techindex{margin-top:28px}.techindex h2{align-items:baseline;gap:10px;font-size:22px;font-weight:600;display:flex}.techindex h2 span{font-family:var(--font-plex-mono), monospace;color:var(--oxide);font-size:13px}.techindex ul{flex-direction:column;gap:14px;margin-top:12px;padding:0;list-style:none;display:flex}.techindex h3{font-size:18px;font-weight:600}.techindex h3 a{color:inherit;text-decoration:none}.techindex h3 a:hover{text-underline-offset:3px;text-decoration:underline}.techindex p{color:var(--muted);max-width:70ch;font-size:14px}.calcgrid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.calc label{flex-direction:column;gap:6px;font-size:14px;font-weight:600;display:flex}.calc .seg{flex-direction:row;align-self:end}.calcresult{background:var(--graphite);width:100vw;color:var(--on-dark);flex-direction:column;gap:10px;margin:36px calc(50% - 50vw) 0;padding:40px max(32px,50vw - 588px);display:flex}.calcresult strong{font-weight:600;font-size:var(--fs-h2);color:var(--on-dark)}.calcresult a{color:var(--accent-on-dark)}.calcresult .calcformula{color:var(--on-dark-muted)}.calcformula{font-family:var(--font-plex-mono), monospace;color:var(--muted);max-width:70ch;font-size:13px}.techpage [id]{scroll-margin-top:160px}.hubpage [id]{scroll-margin-top:88px}@media (max-width:860px){.techhead,.secintro,.pair,.pair.figfirst,.formulas,.massgrid,.checklist ol,.calcgrid,.specify{grid-template-columns:minmax(0,1fr);display:grid}.utilities{justify-content:flex-start}.specify{display:grid}.services ul{columns:1}.secnum{font-size:64px}}@media print{.top,.foot,.skip,.utilities,.deeplink,.filterin,.copybtn,.crumbs,.inpage,.heroacts{display:none!important}.tech-figure,.note,.tech table,.specify,.formulas article{break-inside:avoid}.techpage{padding:0}body{background:#fff}}.taskgrid,.hubrows{margin:0;padding:0;list-style:none}.taskgrid{grid-template-columns:repeat(5,minmax(0,1fr));align-items:stretch;gap:16px;display:grid}.taskgrid a{background:var(--paper);height:100%;color:inherit;border:1px solid var(--line);flex-direction:column;text-decoration:none;display:flex}.taskicon{background:var(--plate);aspect-ratio:4/3;place-items:center;display:grid}.taskicon img{width:64px;height:64px}.taskgrid strong{padding:14px 16px 4px;font-size:18px;font-weight:600;line-height:1.25}.taskgrid span{color:var(--muted);padding:0 16px 16px;font-size:15px}.taskgrid a:hover strong{text-underline-offset:4px;text-decoration:underline}.taskgrid a:active{transform:scale(.98)}.matrow{border-top:1px solid var(--line);grid-template-columns:45fr 55fr;align-items:center;gap:48px;padding:64px 0;display:grid}.matrow:nth-child(2n){grid-template-columns:55fr 45fr}.matrow:nth-child(2n) .hubvisual{order:2}.hubvisual{aspect-ratio:16/10;background:var(--plate);min-height:220px;position:relative;overflow:hidden}.hubvisual .hubsvg{object-fit:contain;width:100%;height:100%;padding:28px}.hubvisual .hubphoto{object-fit:cover}.hubicons{grid-template-columns:repeat(3,72px);place-content:center;gap:12px;height:100%;display:grid}.hubicons img{object-fit:contain;width:72px;height:72px}.matcopy h2{font-weight:600;font-size:var(--fs-h2);align-items:baseline;gap:12px;line-height:1.08;display:flex}.matcopy>p{max-width:52ch;margin-top:12px;font-size:18px}.hubrows{margin-top:18px}.hubrows a{border-top:1px solid var(--line);min-height:44px;color:inherit;grid-template-columns:72px minmax(0,1fr) auto;align-items:center;gap:16px;padding:14px 0;text-decoration:none;display:grid}.hubrows img{background:var(--plate);object-fit:contain;width:72px;height:72px}.hubrows strong{font-size:17px;font-weight:600;display:block}.hubrows small{color:var(--muted);font-size:15px;display:block}.hubrows a:hover strong{text-underline-offset:4px;text-decoration:underline}.heroq{max-width:560px}.hubsearch{position:relative}.heroq input,.hubsearch input{width:100%;min-height:56px;font:inherit;color:var(--ink);background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' fill='none' stroke='%231C1F22' stroke-width='1.6'%3E%3Ccircle cx='8' cy='8' r='5'/%3E%3Cpath d='M12 12 16 16'/%3E%3C/svg%3E") 16px no-repeat;border:0;padding:0 16px 0 44px;font-size:16px}.hubresults{z-index:6;border:1px solid var(--ink);background:var(--paper);margin:0;padding:0;list-style:none;position:absolute;left:0;right:0}.hubresults a{min-height:44px;color:var(--ink);padding:10px 14px;text-decoration:none;display:block}.hubresults a[aria-selected=true]{background:var(--plate)}.hubdownload{justify-content:space-between;align-items:center;gap:24px;display:flex}.hubdownload p{max-width:62ch;font-size:18px}.inpage{z-index:15;background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:69px}.inpagein{align-items:center;gap:16px;min-height:56px;display:flex}.secmenu{flex:none;position:relative}.secmenu summary{cursor:pointer;align-items:center;min-height:44px;font-weight:600;list-style:none;display:flex}.secmenu summary::-webkit-details-marker{display:none}.secmenu ul{z-index:4;background:var(--paper);border:1px solid var(--line);min-width:260px;margin:0;padding:8px 0;list-style:none;position:absolute;top:100%;left:0}.secmenu a{min-height:44px;color:inherit;align-items:center;padding:0 14px;text-decoration:none;display:flex}.secmenu a[aria-current=page]{color:var(--oxide)}.pills{gap:8px;min-width:0;display:flex;overflow-x:auto}.pills a{border:1px solid var(--line);min-height:44px;color:var(--ink);background:var(--paper);flex:none;align-items:center;padding:0 12px;text-decoration:none;display:inline-flex}.pills a[aria-current=location]{background:var(--oxide);border-color:var(--oxide);color:#fff}.heroacts{flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;display:flex}.iconbtn{min-height:44px;color:var(--ink);cursor:pointer;background:0 0;border:0;align-items:center;gap:6px;padding:0 4px;font-size:14px;font-weight:600;display:inline-flex}.iconbtn:hover{color:var(--oxide)}.techbody{padding-top:56px;padding-bottom:28px}.stepgrid{grid-template-columns:1fr 1fr;gap:16px;margin:28px 0 48px;display:grid}.stepcard{min-height:44px;color:inherit;border:1px solid var(--line);background:var(--paper);flex-direction:column;text-decoration:none;display:flex}.stepmedia{aspect-ratio:16/9;background:var(--plate);position:relative;overflow:hidden}.stepmedia img{object-fit:cover}.steplabel{color:var(--oxide);padding:14px 16px 0;font-size:13px;font-weight:600}.steptitle{padding:4px 16px 16px;font-size:17px;font-weight:600}.stepcard:hover .steptitle{text-underline-offset:4px;text-decoration:underline}.tech .ptext>.btn{align-self:flex-start;margin-top:18px}@media (max-width:860px){.taskgrid{scroll-snap-type:x mandatory;gap:12px;display:flex;overflow-x:auto}.taskgrid li{scroll-snap-align:start;flex:0 0 78%}.matrow,.matrow:nth-child(2n){grid-template-columns:1fr;gap:20px;padding:36px 0}.matrow:nth-child(2n) .hubvisual{order:0}.stepgrid,.hubdownload{grid-template-columns:1fr}.hubdownload{flex-direction:column;align-items:flex-start}.inpage{top:64px}}@media (prefers-reduced-motion:reduce){.taskgrid a{transition:none}}