/* Presentation only. No application selectors, hidden notices, or font embedding. */
body.sd-polished { font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; font-size: 16px; font-weight: 400; line-height: 1.65; }
.sd-polished * { box-sizing: border-box; }
.sd-polished img { max-width: 100%; }
.sd-polished h1,.sd-polished h2,.sd-polished h3 { font-family: Barlow, Inter, "Segoe UI", Arial, sans-serif !important; letter-spacing: -.025em; text-wrap: balance; }
.sd-polished h1 { line-height: 1.06; }
.sd-polished h2 { line-height: 1.2; }
.sd-polished p,.sd-polished li { text-wrap: pretty; }
.sd-polished a { text-underline-offset: .22em; }
.sd-polished a:focus-visible,.sd-polished button:focus-visible,.sd-polished summary:focus-visible { outline: 3px solid #659400 !important; outline-offset: 5px; border-radius: 2px; }
.sd-polished :is(button,.btn,.button) { min-height: 44px; }
.sd-polished :is(.btn,.button) { font-size: .95rem; font-weight: 650; letter-spacing: 0; border-radius: 4px; }
.sd-polished :is(.eyebrow,.hero-label,.brand-sub,.logo-sub,.kicker,.overline) { font-size: .875rem; line-height: 1.5; letter-spacing: .08em; }
.sd-polished :is(.notice,.boundary,.disclosure,.callout) { line-height: 1.65; }
.sd-polished :is(.notice,.boundary,.disclosure) p { font-size: .95rem; }
.sd-polished :is(pre,.table-scroll) { overflow-x: auto; }
.sd-polished .sd-wordmark { display: block; width: auto; height: auto; object-fit: contain; max-width: 100%; background: transparent !important; border: 0 !important; }
.sd-polished .sd-table-scroll { max-width: 100%; overflow-x: auto; margin-block: 24px; }
.sd-polished .sd-table-scroll:focus-visible { outline: 3px solid #659400; outline-offset: 3px; }
.sd-polished .sd-table-scroll table { margin-block: 0; }
.sd-polished .sd-doi-badge { display: inline-block; padding: 3px 9px; border: 1px solid currentColor; border-radius: 3px; font-size: .875rem; }
.sd-polished[data-polish="open3dcp"] .hero h1 span,.sd-polished[data-polish="open3dcp"] .hero-label { color: #527600; }
.sd-polished[data-polish="open3dcp"] header nav a { color: #37505d; }
.sd-polished[data-polish="cadclaw"] .hero > * { min-width: 0; }
.sd-polished[data-polish="cadclaw"] .hero h1 { overflow-wrap: anywhere; }
.sd-polished[data-polish="acme-lab"] .band { max-width: 100%; margin-inline: 0; }
.sd-polished[data-polish="topocrete"] .boundary { color: #142d42; }
.sd-polished[data-polish="topocrete"] .boundary h2 { color: #013a73; }
.sd-polished[data-polish="topocrete"] figcaption { color: #142d42; }
.sd-polished :is(header.site-header,header.nav,body > header:not(.hero)) { border-bottom: 3px solid #97d700; }
.sd-polished :is(header.site-header,header.nav) { gap: 24px; padding: 22px max(24px,calc((100vw - 1280px)/2)); }
.sd-polished :is(.header-inner,header.nav,header.site-header) { align-items: center; }
.sd-polished :is(header nav,.site-nav) { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 22px; }
.sd-polished :is(header nav a,.site-nav a) { font-family: inherit; font-size: .9rem; line-height: 1.4; letter-spacing: 0; text-transform: none; padding-block: 7px; }
.sd-polished :is(.brand,.logo) { min-width: 0; }
.sd-polished :is(.brand,.logo) .sd-wordmark { width: 218px; max-width: min(58vw,280px); }
.sd-polished :is(.brand-sub,.logo-sub,.brand small) { display: block; font-size: .8rem; margin-top: 7px; letter-spacing: .035em; border-left: none; padding-left: 0; }
.sd-polished .sd-brand-stack { display: flex; flex-direction: column; align-items: flex-start; gap: 5px; }
.sd-polished .sd-brand-stack small { color: #556671; }
.sd-polished[data-polish="sunn3d"] .sdt-cf-wordmark img { width: 280px !important; max-height: none !important; }
.sd-polished[data-polish="sunn3d"] .sdt-cf-wordmark { width: 280px !important; flex-basis: 280px !important; }
.sd-polished[data-polish="sunn3d"] .sdt-design { --sd-lime: #97d700; }
.sd-polished[data-polish="sunn3d"] .sd-updates { background: rgba(238,242,239,.97); }
.sd-polished[data-polish="sunn3d"] .sd-hero-copy { max-width: 720px; }
.sd-polished[data-polish="sunn3d"] .sd-project { border-top: 3px solid #013a73; }
.sd-polished[data-polish="cemforge"] .site-header { position: relative; background: #fff; }
.sd-polished[data-polish="cemforge"] .site-nav a { color: #013a73; }
.sd-polished[data-polish="cemforge"] .site-nav a:is(:hover,[aria-current="page"]) { color: #456500; }
.sd-polished[data-polish="cemforge"] .brand small { color: #526779; }
.sd-polished[data-polish="cemforge"] .brand { display: flex; flex-direction: column; align-items: flex-start; gap: 7px; }
.sd-polished[data-polish="cemforge"] main.hero { max-width: 1220px; padding: 80px 36px 72px; margin: 0 auto; }
.sd-polished[data-polish="cemforge"] h1.page-title { max-width: 930px; font-size: clamp(2.6rem,5.4vw,4.8rem); line-height: 1.04; font-weight: 650; margin-bottom: 32px; }
.sd-polished[data-polish="cemforge"] .hero > article { max-width: none; }
.sd-polished[data-polish="cemforge"] .hero article section > p { max-width: 78ch; }
.sd-polished[data-polish="cemforge"] .hero article section > p:first-child { color: #425c6c; font-size: .95rem; }
.sd-polished[data-polish="cemforge"] .hero article section > p:nth-child(2) { font-size: 1.15rem; line-height: 1.7; }
.sd-polished[data-polish="cemforge"] .hero article section > p:nth-child(3) a { display: inline-flex; min-height: 48px; align-items: center; padding: 12px 22px; background: #97d700; color: #071421; text-decoration: none; font-weight: 650; border-radius: 4px; margin: 10px 0 24px; }
.sd-polished[data-polish="cemforge"] .hero article section > ul { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; margin: 24px 0 32px; }
.sd-polished[data-polish="cemforge"] .hero article section > ul li { margin: 0; padding: 26px; background: #fff; border: 1px solid #d8e1df; border-top: 3px solid #013a73; border-radius: 4px; }
.sd-polished[data-polish="cemforge"] .hero article section > ul li strong { display: block; color: #013a73; margin-bottom: 12px; }
.sd-polished[data-polish="cemforge"] h2 { margin-top: 48px; font-size: clamp(1.7rem,3vw,2.25rem); }
.sd-polished[data-polish="cemforge"] .notice { margin-top: 48px; background: #e9efec; border-left: 3px solid #013a73; }
.sd-polished[data-polish="open3dcp"] > header { padding: 25px max(24px,calc((100vw - 1280px)/2)); background: white; gap: 28px; }
.sd-polished[data-polish="open3dcp"] .logo { flex-direction: column; align-items: flex-start; flex-shrink: 0; }
.sd-polished[data-polish="open3dcp"] .hero { padding: 80px 40px 64px; max-width: 1280px; margin: auto; }
.sd-polished[data-polish="open3dcp"] .hero h1 { font-size: clamp(4rem,8vw,7.2rem); letter-spacing: -.05em; }
.sd-polished[data-polish="open3dcp"] .hero-desc { font-size: 1.12rem; line-height: 1.75; max-width: 68ch; }
.sd-polished[data-polish="open3dcp"] :is(.stat-label,.card-label,.section-label) { font-size: .875rem; }
.sd-polished[data-polish="open3dcp"] :is(.card,.stat) { padding: 28px; }
.sd-polished[data-polish="m3-crete"] .brand,.sd-polished[data-polish="acme-lab"] .brand { flex-direction: column; align-items: flex-start; gap: 0; }
.sd-polished[data-polish="m3-crete"] .hero { padding-block: 76px; gap: 56px; align-items: center; }
.sd-polished[data-polish="m3-crete"] .hero h1,.sd-polished[data-polish="acme-lab"] .hero h1 { font-size: clamp(3rem,6.5vw,5.8rem); line-height: 1.04; }
.sd-polished[data-polish="m3-crete"] .hero img { border-radius: 8px; border: 1px solid #d9e2df; background: #fff; box-shadow: 0 24px 64px #013a7314; }
.sd-polished[data-polish="m3-crete"] .lede,.sd-polished[data-polish="acme-lab"] .lede { font-size: 1.08rem; line-height: 1.75; }
.sd-polished[data-polish="acme-lab"] .hero { padding-block: 78px; border-bottom: 1px solid #d3dedb; background: linear-gradient(120deg,#fff,#edf2ef); }
.sd-polished[data-polish="acme-lab"] .hero > div { max-width: 1050px; }
.sd-polished[data-polish="acme-lab"] .capability-matrix { font-size: 1rem; }
.sd-polished[data-polish="acme-lab"] .capability-matrix :is(th,td) { padding: 20px 24px; line-height: 1.65; }
.sd-polished[data-polish="cadclaw"] .hero,.sd-polished[data-polish="marb"] .hero { padding-top: 72px; padding-bottom: 64px; gap: 48px; }
.sd-polished[data-polish="cadclaw"] .hero h1,.sd-polished[data-polish="marb"] .hero h1 { font-size: clamp(2.5rem,5vw,4.7rem); max-width: 21ch; line-height: 1.08; }
.sd-polished[data-polish="cadclaw"] header .brand { display: flex; align-items: center; gap: 16px; }
.sd-polished[data-polish="cadclaw"] header .brand > img:not(.sd-wordmark) { width: 44px; height: 44px; border-radius: 6px; object-fit: cover; }
.sd-polished[data-polish="cadclaw"] header .brand .sd-wordmark { width: 175px; }
.sd-polished[data-polish="marb"] .hero h1 { max-width: 26ch; }
.sd-polished[data-polish="marb"] table { font-size: .95rem; }
.sd-polished[data-polish="topocrete"] main { max-width: 1240px; padding-inline: 36px; }
.sd-polished[data-polish="topocrete"] .hero { padding-top: 70px; padding-bottom: 58px; }
.sd-polished[data-polish="topocrete"] h1 .sd-wordmark { width: 700px; max-width: 100%; }
.sd-polished[data-polish="topocrete"] .hero .lede { max-width: 65ch; font-size: 1.2rem; }
.sd-polished[data-polish="topocrete"] .grid figure { margin: 0; border: 1px solid #d7e1dd; border-radius: 6px; overflow: hidden; background: #fff; }
.sd-polished[data-polish="topocrete"] figcaption { font-size: .94rem; padding: 20px; }
.sd-polished[data-polish="topocrete"] .boundary { border-left: 4px solid #013a73; background: #eef2f0; }
.sd-polished[data-polish="invariant"] { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; }
.sd-polished[data-polish="invariant"] header { border-bottom-color: #5ce7f255; }
.sd-polished[data-polish="invariant"] header .sd-wordmark { width: 255px; max-width: 45vw; }
.sd-polished[data-polish="invariant"] header nav { justify-content: space-between; }
.sd-polished[data-polish="invariant"] header nav a { color: #dce6e8; }
.sd-polished[data-polish="invariant"] #hero-title { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace !important; font-size: clamp(2.6rem,5.8vw,5.5rem); line-height: 1.03; letter-spacing: -.035em; }
.sd-polished[data-polish="invariant"] :is(a,button):focus-visible { outline-color: #5ce7f2 !important; }
.sd-polished[data-polish="studios"] .hero { padding-top: 50px; padding-bottom: 30px; }
.sd-polished[data-polish="studios"] h1 .sd-wordmark { max-width: 660px; width: 90%; margin: auto; }
.sd-polished[data-polish="studios"] .hero .tag { font-size: 1.25rem; margin-top: 22px; }
.sd-polished[data-polish="studios"] .preview-nav button { min-height: 44px; font-size: .95rem; }
.sd-polished[data-polish="studios"] :is(.game-card,.preview-card) { border-radius: 12px; overflow: hidden; }
@media (max-width: 900px) {
  .sd-polished :is(header.site-header,header.nav,.header-inner),.sd-polished[data-polish="open3dcp"] > header { flex-wrap: wrap; gap: 18px; }
  .sd-polished :is(header nav,.site-nav) { gap: 4px 18px; }
  .sd-polished :is(.brand-sub,.logo-sub) { font-size: .8rem; }
  .sd-polished[data-polish="cemforge"] .hero article section > ul { grid-template-columns: 1fr; }
  .sd-polished[data-polish="m3-crete"] .hero { grid-template-columns: 1fr; }
  .sd-polished[data-polish="cadclaw"] .hero,.sd-polished[data-polish="marb"] .hero { gap: 30px; }
}
@media (max-width: 600px) {
  .sd-polished :is(header.site-header,header.nav),.sd-polished[data-polish="open3dcp"] > header { padding: 22px; }
  .sd-polished :is(header nav,.site-nav) { justify-content: flex-start; }
  .sd-polished :is(header nav a,.site-nav a) { font-size: .9rem; }
  .sd-polished[data-polish="cemforge"] main.hero,.sd-polished[data-polish="open3dcp"] .hero { padding: 48px 24px; }
  .sd-polished[data-polish="cadclaw"] .hero h1,.sd-polished[data-polish="marb"] .hero h1 { font-size: 2.5rem; }
  .sd-polished[data-polish="topocrete"] main { padding-inline: 24px; }
  .sd-polished[data-polish="topocrete"] .grid { grid-template-columns: 1fr; }
  .sd-polished[data-polish="invariant"] header nav > div { display: flex; gap: 16px; flex-wrap: wrap; }
  .sd-polished[data-polish="invariant"] header .sd-wordmark { width: 230px; max-width: 80vw; }
  .sd-polished[data-polish="invariant"] header { position: relative; }
  .sd-polished[data-polish="invariant"] #top { padding-top: 20px; }
}
@media (prefers-reduced-motion: reduce) { .sd-polished { scroll-behavior: auto; } .sd-polished :is(a,button,.card,.game-card) { transition: none !important; } }

/* Shared concrete/materials imagery; distinct CEMFORGE composition. */
.sd-polished[data-polish="cemforge"] main.hero { max-width: none; padding: 0; }
.sd-polished[data-polish="cemforge"] .cf-thermal { position: relative; isolation: isolate; display: flex; flex-direction: column; justify-content: center; min-height: 560px; margin: 0; background: #082743; color: #fff; overflow: hidden; }
.sd-polished[data-polish="cemforge"] .cf-thermal-media { position: absolute; inset: 0; z-index: -3; width: 100%; height: 100%; object-fit: cover; object-position: 65% center; }
.sd-polished[data-polish="cemforge"] .cf-thermal-shade { position: absolute; inset: 0; z-index: -2; background: linear-gradient(90deg,rgba(4,22,40,.96),rgba(4,22,40,.79) 48%,rgba(4,22,40,.22)),linear-gradient(0deg,rgba(4,22,40,.8),transparent 45%); }
.sd-polished[data-polish="cemforge"] .cf-thermal-copy { width: min(100%,1220px); margin: auto; padding: 80px 36px 40px; }
.sd-polished[data-polish="cemforge"] .cf-thermal h1.page-title { color: #fff; max-width: 16ch; margin: 0; text-shadow: 0 2px 20px #04162880; }
.sd-polished[data-polish="cemforge"] .cf-thermal .eyebrow { color: #bde663; }
.sd-polished[data-polish="cemforge"] .cf-thermal-controls { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; width: min(100%,1220px); margin: 0 auto; padding: 0 36px 26px; font-size: .875rem; color: #e1eaee; }
.sd-polished[data-polish="cemforge"] .cf-thermal-controls button { padding: 10px 16px; background: #082743e6; border: 1px solid #9faeb8; border-radius: 4px; color: #fff; cursor: pointer; font: inherit; }
.sd-polished[data-polish="cemforge"] .hero > article { max-width: 1220px; margin: auto; padding: 54px 36px 72px; }
@media (max-width: 600px) {
  .sd-polished[data-polish="cemforge"] .cf-thermal { min-height: 500px; }
  .sd-polished[data-polish="cemforge"] .cf-thermal-copy { padding: 56px 24px 28px; }
  .sd-polished[data-polish="cemforge"] .cf-thermal h1.page-title { font-size: clamp(2.4rem,9vw,3.4rem); }
  .sd-polished[data-polish="cemforge"] .cf-thermal-controls { padding: 0 24px 24px; }
  .sd-polished[data-polish="cemforge"] .hero > article { padding: 40px 24px 52px; }
}