.ehf3d-section{background:var(--color-cream)}.ehf3d [hidden],.ehf3d-viewport [hidden]{display:none!important}.ehf3d-anchor-note{margin:0;height:0;scroll-margin-top:calc(var(--header-height) + 20px)}.ehf3d-section .oem-grid{margin-bottom:34px}.ehf3d-section .oem-card{background:var(--color-white);padding:22px 22px 24px}.ehf3d-section .oem-card h4{font-size:1rem}.ehf3d-section .oem-card p{font-size:.86rem}.ehf3d-section .oem-wholesale{margin-top:38px}.ehf3d{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:32px;align-items:start;background:var(--color-white);border:1px solid var(--color-border);border-radius:14px;padding:24px;box-shadow:var(--shadow-md)}.ehf3d-stage{position:sticky;top:calc(var(--header-height) + 20px)}.ehf3d-viewport{position:relative;aspect-ratio:4 / 3;border-radius:10px;overflow:hidden;background:linear-gradient(160deg,#F6F3EE 0%,#EDE8E0 100%);display:flex;align-items:center;justify-content:center}.ehf3d-viewport canvas{position:absolute;inset:0;width:100%!important;height:100%!important;display:block;touch-action:none}.ehf3d-poster{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;opacity:0;transition:opacity .35s ease;pointer-events:none}.ehf3d-poster.is-on{opacity:1}.ehf3d-viewport.is-live .ehf3d-poster{opacity:0}.ehf3d-viewport::after{content:"3D preview";font-family:var(--font-heading);font-size:15px;color:#C3BCB0;letter-spacing:.04em}.ehf3d-viewport:has(.ehf3d-poster)::after,.ehf3d-viewport.is-live::after{content:none}.ehf3d-launch{position:absolute;z-index:3;display:flex;flex-direction:column;align-items:center;gap:4px;padding:18px 30px;background:rgb(255 255 255 / .92);backdrop-filter:blur(8px);border:1px solid var(--color-border);border-radius:12px;cursor:pointer;font-family:var(--font-body);box-shadow:var(--shadow-md);transition:transform var(--transition),border-color var(--transition)}.ehf3d-launch:hover{transform:translateY(-2px);border-color:var(--color-primary)}.ehf3d-launch-icon{color:var(--color-primary);display:block}.ehf3d-launch-label{font-size:14px;font-weight:600;color:var(--color-charcoal)}.ehf3d-launch-note{font-size:11px;color:var(--color-text-light)}.ehf3d-loading{position:absolute;z-index:4;display:flex;flex-direction:column;align-items:center;gap:10px;font-size:12px;color:var(--color-text-light)}.ehf3d-spinner{width:30px;height:30px;border-radius:50%;border:2.5px solid var(--color-border);border-top-color:var(--color-primary);animation:ehf3dspin .7s linear infinite}@keyframes ehf3dspin{to{transform:rotate(360deg)}}.ehf3d-viewtools{position:absolute;top:12px;left:12px;z-index:3;display:flex;gap:6px}.ehf3d-vbtn{padding:6px 12px;background:rgb(255 255 255 / .9);backdrop-filter:blur(6px);border:1px solid 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img{width:100%;height:100%;object-fit:contain}.ehf3d-card-text strong{display:block;font-size:13px;color:var(--color-charcoal)}.ehf3d-card-text em{display:block;font-style:normal;font-size:11px;color:var(--color-text-light);margin-top:2px}.ehf3d-packs--bristle{grid-template-columns:1fr 1fr}.ehf3d-pack-img--swatch{position:relative}.ehf3d-pack-img--swatch::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,rgb(255 255 255 / .34) 0 2px,transparent 2px 6px)}.ehf3d-swatches{display:grid;grid-template-columns:repeat(auto-fill,minmax(88px,1fr));gap:10px}.ehf3d-sw{display:flex;flex-direction:column;align-items:center;gap:6px;padding:8px 4px;background:none;border:1.5px solid #fff0;border-radius:10px;cursor:pointer;font-family:var(--font-body);transition:all var(--transition)}.ehf3d-sw span{width:42px;height:42px;border-radius:50%;border:1px solid rgb(0 0 0 / .1);box-shadow:inset 0 -6px 10px rgb(0 0 0 / .14),inset 0 4px 8px rgb(255 255 255 / 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