.print3d-surface{color-scheme:light;--ink:#172c29;--green:#14624f;--muted:#5e6d67;--line:#d4ded7;--paper:#fafbf8;--wash:#edf2ee}.print3d-surface *{box-sizing:border-box}.print3d-surface{scroll-behavior:smooth;scroll-padding-top:24px}.print3d-surface{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.print3d-surface button,.print3d-surface input,.print3d-surface textarea{font:inherit}.print3d-surface button,.print3d-surface a,.print3d-surface input,.print3d-surface textarea{ -webkit-tap-highlight-color:transparent}.print3d-surface a{color:var(--green);text-underline-offset:4px}.print3d-surface button{cursor:pointer}.print3d-surface a:focus-visible,.print3d-surface button:focus-visible,.print3d-surface input:focus-visible,.print3d-surface textarea:focus-visible,.print3d-surface summary:focus-visible{outline:3px solid #ad7921;outline-offset:4px}.print3d-surface button:disabled{cursor:not-allowed}.print3d-surface .shell{width:min(1184px,calc(100% - 64px));margin:auto}.print3d-surface .draft{background:#fff1d4;color:#674b19;padding:8px 20px;text-align:center;font-size:12px}.print3d-surface .topbar{min-height:94px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:22px}.print3d-surface .brand{font-size:30px;line-height:1.1;font-weight:750;letter-spacing:-1.5px;text-decoration:none;white-space:nowrap}.print3d-surface .brand-caption{font-size:13px;line-height:1.4;max-width:140px;padding-left:20px;border-left:1px solid var(--line)}.print3d-surface nav{margin-inline-start:auto;display:flex;gap:25px;align-items:center}.print3d-surface nav a{font-size:13px;text-decoration:none}.print3d-surface .small-cta{background:var(--green);color:#fff;border-radius:3px;padding:11px 16px}.print3d-surface .breadcrumb{padding-top:26px;font-size:12px;color:var(--muted)}.print3d-surface .breadcrumb a{color:inherit}.print3d-surface .hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 432px;gap:58px;padding:38px 0 52px;align-items:start}.print3d-surface .eyebrow{margin:0 0 20px;text-transform:uppercase;letter-spacing:1.5px;font-size:11px;font-weight:700;color:var(--muted)}.print3d-surface h1{margin:0 0 24px;font-size:clamp(36px,4.4vw,58px);letter-spacing:-2.1px;line-height:1.06;font-weight:650;text-wrap:balance}.print3d-surface h2,.print3d-surface h3{line-height:1.25}.print3d-surface h2{font-size:30px;letter-spacing:-.7px}.print3d-surface h3{font-size:20px;font-weight:650}.print3d-surface .intro{font-size:21px;line-height:1.5;color:#40594e;margin:0 0 24px}.print3d-surface .primary{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;background:var(--green);color:#fff;border:1px solid var(--green);text-decoration:none;padding:14px 20px;border-radius:3px;font-weight:650;font-size:15px}.print3d-surface .primary:hover{background:#0a4b39}.print3d-surface .source-choices{display:flex;margin-top:38px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.print3d-surface .source-choices button{border:0;border-right:1px solid var(--line);padding:16px 12px;background:transparent;flex:1;color:var(--ink);font-size:13px;text-align:left}.print3d-surface .source-choices button:last-child{border-right:0}.print3d-surface .source-choices span{display:block;font-size:10px;margin-bottom:6px;color:var(--muted)}.print3d-surface .source-choices button[aria-pressed=true]{background:var(--wash);box-shadow:inset 0 -2px var(--green)}.print3d-surface .source-help{color:var(--muted);font-size:13px;min-height:44px}.print3d-surface .technical-note{display:grid;grid-template-columns:85px 1fr;gap:18px;border-top:1px solid var(--line);padding-top:23px;margin-top:30px}.print3d-surface .section-number{font-size:10px;letter-spacing:1px;color:var(--muted);padding-top:4px}.print3d-surface .technical-note p{font-size:14px;line-height:1.6;margin:0}.print3d-surface .quote{border:1px solid var(--line);background:#fff;padding:26px;border-radius:5px;scroll-margin-top:24px}.print3d-surface .quote-heading{display:flex;justify-content:space-between}.print3d-surface .quote-heading .eyebrow{margin:0}.print3d-surface .quote h2{font-size:25px;margin:12px 0}.print3d-surface .form-note{font-size:13px;color:var(--muted);margin-bottom:20px}.print3d-surface .form-closed{font-size:12px;background:#fff5df;color:#6f5120;padding:12px}.print3d-surface .quote fieldset{padding:0;margin:0;border:0;min-width:0}.print3d-surface .quote fieldset:disabled{opacity:.7}.print3d-surface label:not(.check):not(.upload){display:block;margin:14px 0 5px;font-size:13px;font-weight:550}.print3d-surface input:not([type=checkbox]),.print3d-surface textarea{width:100%;min-width:0;border:1px solid #bccbc2;padding:10px 12px;border-radius:3px;background:var(--paper);font-size:14px;color:var(--ink)}.print3d-surface textarea{resize:vertical;min-height:88px}.print3d-surface .field-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}.print3d-surface .upload{display:block;border:1px dashed #9fb6a9;padding:16px;margin-top:22px;border-radius:3px;text-align:center}.print3d-surface .upload strong{font-size:13px;display:block}.print3d-surface .upload-arrow{display:block;font-size:27px;line-height:1.2;color:var(--green)}.print3d-surface .upload small{display:block;font-size:10px;color:var(--muted);margin:5px 0 10px}.print3d-surface .upload input{font-size:11px!important;border:0!important;padding:0!important;background:transparent!important}.print3d-surface .file-selection{font-size:11px;line-height:1.5;color:var(--muted);overflow-wrap:anywhere}.print3d-surface .check{display:flex;gap:9px;align-items:flex-start;font-size:11px;line-height:1.5;margin:14px 0}.print3d-surface .check input{accent-color:var(--green);width:15px;height:15px;flex-shrink:0;margin:1px 0 0}.print3d-surface .submit{width:100%;margin-top:18px}.print3d-surface .submit:disabled{background:#61786d;border-color:#61786d}.print3d-surface .privacy-note{font-size:10px;line-height:1.6;color:var(--muted);margin-bottom:0}.print3d-surface #form-result{font-size:13px;overflow-wrap:anywhere}.print3d-surface #form-result:empty{margin:0}.print3d-surface #form-result[data-state=error]{color:#8b3123}.print3d-surface #form-result[data-state=success]{color:var(--green)}.print3d-surface .retry{border:1px solid var(--green);background:#fff;color:var(--green);font-size:13px;padding:10px}.print3d-surface .honeypot{position:absolute;inline-size:1px;block-size:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.print3d-surface .process{padding:30px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:180px 1fr;gap:30px}.print3d-surface .process h2{font-size:13px;letter-spacing:1px;text-transform:uppercase;font-weight:600}.print3d-surface .process ol{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;list-style:none;padding:0;margin:0}.print3d-surface .process li{display:flex;gap:14px}.print3d-surface .process b{font-size:11px;border:1px solid #adc2b5;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;flex-shrink:0}.print3d-surface .process h3{font-size:14px;margin:3px 0 8px}.print3d-surface .process p{font-size:12px;color:var(--muted);margin:0}.print3d-surface .article-body{max-width:760px;padding:26px 0 40px}.print3d-surface .article-body h2{font-size:29px;margin-top:38px}.print3d-surface .article-body h3{font-size:20px;margin-top:30px}.print3d-surface .article-body table{width:100%;border-collapse:collapse;font-size:14px}.print3d-surface .article-body th,.print3d-surface .article-body td{text-align:left;border-bottom:1px solid var(--line);padding:12px 10px;vertical-align:top;overflow-wrap:anywhere}.print3d-surface .article-body th{background:var(--wash)}.print3d-surface .article-body li{margin:8px 0}.print3d-surface .article-grid{grid-template-columns:1fr;max-width:900px;gap:0}.print3d-surface .article-grid .primary{margin-bottom:24px}.print3d-surface .article-grid .intro{max-width:850px}.print3d-surface .article-grid h1{max-width:850px}.print3d-surface .concept{border-top:1px solid var(--line);padding:20px 0}.print3d-surface .concept summary{color:var(--green);cursor:pointer;font-size:14px}.print3d-surface .concept figure{margin:20px 0}.print3d-surface .concept img{max-width:100%;height:auto;display:block}.print3d-surface .concept figcaption{font-size:12px;color:var(--muted);margin-top:12px}.print3d-surface .materials{border-top:1px solid var(--line);padding:40px 0 54px;display:grid;grid-template-columns:1fr 1.4fr;gap:60px}.print3d-surface .materials h2{font-size:32px;margin:0}.print3d-surface .materials ul{list-style:none;padding:0;margin:0}.print3d-surface .materials li{border-bottom:1px solid var(--line)}.print3d-surface .materials a{display:flex;justify-content:space-between;gap:20px;text-decoration:none;padding:15px 0;font-size:15px}.print3d-surface .materials a:hover{text-decoration:underline}.print3d-surface footer{border-top:1px solid var(--line);padding:27px 0 48px;display:flex;justify-content:space-between;align-items:start;gap:30px}.print3d-surface footer .brand{font-size:24px}.print3d-surface footer>div{display:flex;gap:22px;flex-wrap:wrap;font-size:12px}.print3d-surface .analytics-choice{position:fixed;z-index:100;bottom:18px;left:18px;width:min(380px,calc(100% - 36px));padding:18px;border:1px solid var(--line);background:#fff;box-shadow:0 4px 24px #102c2118}.print3d-surface .analytics-choice p{font-size:12px;margin-top:0}.print3d-surface .analytics-choice button{border:1px solid var(--green);padding:7px 10px;color:var(--green);background:#fff;font-size:12px;margin-right:10px}.print3d-surface .analytics-settings{display:block;margin:0 auto 25px;border:0;background:none;text-decoration:underline;color:var(--muted);font-size:11px}
@media(max-width:950px){.print3d-surface .hero-grid{grid-template-columns:minmax(0,1fr) 380px;gap:30px}.print3d-surface .brand-caption{display:none}.print3d-surface nav{gap:20px}.print3d-surface .process{grid-template-columns:1fr;gap:15px}.print3d-surface .hero h1{font-size:42px;letter-spacing:-1.4px}.print3d-surface .quote{padding:22px}.print3d-surface .hero-grid.article-grid{grid-template-columns:1fr}}
@media(max-width:760px){.print3d-surface .shell{width:calc(100% - 40px)}.print3d-surface .topbar{min-height:76px;gap:14px}.print3d-surface .brand{font-size:27px}.print3d-surface nav>a:not(.small-cta){display:none}.print3d-surface .small-cta{font-size:12px;padding:9px 11px}.print3d-surface .hero-grid{grid-template-columns:1fr;gap:24px;padding:28px 0 35px}.print3d-surface .hero h1{font-size:43px;letter-spacing:-1.5px}.print3d-surface .intro{font-size:19px}.print3d-surface .hero-cta{margin-bottom:6px}.print3d-surface .source-choices{margin-top:25px}.print3d-surface .source-help{min-height:0}.print3d-surface .technical-note{margin-top:20px;padding-top:18px}.print3d-surface .quote{padding:23px 20px}.print3d-surface .process{padding:26px 0}.print3d-surface .process ol{grid-template-columns:1fr;gap:20px}.print3d-surface .process li{gap:16px}.print3d-surface .process h3{margin-bottom:5px}.print3d-surface .process p{font-size:13px}.print3d-surface .materials{grid-template-columns:1fr;gap:20px;padding:30px 0}.print3d-surface .materials .eyebrow{margin-bottom:10px}.print3d-surface .materials h2{font-size:29px}.print3d-surface footer{flex-direction:column;gap:20px}.print3d-surface footer>div{flex-direction:column;gap:12px}.print3d-surface .article-body{font-size:16px}.print3d-surface .article-body table{font-size:12px;table-layout:fixed}.print3d-surface .article-body td,.print3d-surface .article-body th{padding:10px 7px}.print3d-surface .article-body h2{font-size:26px}.print3d-surface .eyebrow{margin-bottom:15px}.print3d-surface .breadcrumb{font-size:11px;padding-top:20px}.print3d-surface .source-choices button{padding:13px 9px;font-size:12px}.print3d-surface .quote h2{font-size:25px}}
/* Reading and control tokens apply to both article and inquiry layouts. */
.print3d-surface{--text-body:16px;--text-ui:14px;--text-caption:12px;--control-border:#74877b}
.print3d-surface{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
.print3d-surface .eyebrow,.print3d-surface .section-number,.print3d-surface .source-choices span,.print3d-surface .upload small,.print3d-surface .file-selection,.print3d-surface .check,.print3d-surface .privacy-note,.print3d-surface .analytics-settings{font-size:var(--text-caption)}
.print3d-surface .article-body{max-width:70ch}.print3d-surface .intro,.print3d-surface .form-note,.print3d-surface .source-help{text-wrap:pretty}
.print3d-surface h1{line-height:1.15}.print3d-surface .hero h1{overflow-wrap:break-word}
.print3d-surface input:not([type=checkbox]),.print3d-surface textarea{border-color:var(--control-border)}
.print3d-surface input::placeholder,.print3d-surface textarea::placeholder{color:#5e6d67;opacity:1}
.print3d-surface .source-choices button[aria-pressed=true]{border-block-end:3px solid var(--green);box-shadow:none}
.print3d-surface .brand-caption{padding-inline-start:20px;border-inline-start:1px solid var(--line);border-left:0}
.print3d-surface nav{margin-inline-start:auto}.print3d-surface .source-choices button{text-align:start}
.print3d-surface .small-cta,.print3d-surface .primary,.print3d-surface .source-choices button,.print3d-surface .analytics-choice button,.print3d-surface .analytics-settings{min-height:44px}
.print3d-surface .quote-heading .eyebrow{line-height:1.4}.print3d-surface .check{line-height:1.6;min-height:44px}
@media(max-width:760px){.print3d-surface input:not([type=checkbox]),.print3d-surface textarea{font-size:16px}.print3d-surface .upload input{font-size:14px!important}.print3d-surface .hero h1{font-size:clamp(34px,10vw,40px);line-height:1.4}.print3d-surface footer a{padding-block:5px}.print3d-surface .analytics-choice button{margin-block-start:6px}}
@media(forced-colors:active){.print3d-surface :focus-visible{outline:3px solid Highlight}.print3d-surface .source-choices button[aria-pressed=true]{border-block-end:3px solid Highlight}.print3d-surface .primary,.print3d-surface .small-cta{border:1px solid ButtonText}.print3d-surface .form-closed,.print3d-surface .draft{border:1px solid CanvasText}}
@media(prefers-contrast:more){.print3d-surface{--muted:var(--ink);--control-border:currentColor}}
@media(prefers-reduced-motion:reduce){.print3d-surface{scroll-behavior:auto}}.print3d-surface [hidden]{display:none!important}
/* Editorial images stay with the workflow they explain. */
.print3d-surface .product-visual{margin:30px 0;padding:0;max-width:100%}
.print3d-surface .product-visual a{display:block}
.print3d-surface .product-visual img{display:block;width:100%;height:auto;border:1px solid var(--line);background:#fff}
.print3d-surface .product-visual figcaption{margin-top:10px;color:var(--muted);font-size:14px;line-height:1.6}
.print3d-surface .product-visual figcaption a{display:inline;min-height:44px}
.print3d-surface .article-body blockquote{margin:24px 0;padding:12px 20px;border-inline-start:3px solid var(--green);background:#eef3f0;overflow-wrap:anywhere}
.print3d-surface .article-body blockquote p:last-child{margin-bottom:0}
.print3d-surface .hero{min-width:0}.print3d-surface .hero h1{overflow-wrap:anywhere}@media(max-width:700px){.print3d-surface .hero h1{font-size:32px;letter-spacing:-1px}}