:root{--hdr-height:64px;--hdr-height-mobile:56px;--hdr-bg:#0b0e12;--hdr-text:#ffffff;--text-nav:#c9d2dc;--text-muted:#8a96a3;--teal:#5fe0c8;--teal-fill:#3f8f80;--teal-fill-hover:#4aa392;--on-accent-fill:#05080d;--hdr-line:#232c36;--hdr-border:color-mix(in srgb,#5fe0c8 18%,transparent);--hdr-divider:color-mix(in srgb,#ffffff 12%,transparent);--hdr-badge-bg:color-mix(in srgb,#ffffff 4%,transparent);--hdr-font:var(--font-inter),Inter,system-ui,sans-serif;--hdr-pad:32px}.product-header{position:fixed;top:0;left:0;right:0;z-index:50;height:var(--hdr-height);background:var(--hdr-bg);border-bottom:1px solid var(--hdr-border);color:var(--hdr-text);font-family:var(--hdr-font)}.product-header__bar{display:flex;align-items:center;gap:12px;height:100%;width:100%;box-sizing:border-box;padding:0 var(--hdr-pad)}.product-header__menu{display:none;flex:0 0 44px;align-items:center;justify-content:center;width:44px;height:44px;margin:0;padding:0;border:0;border-radius:10px;background:transparent;color:var(--text-nav);cursor:pointer}.product-header__lockup{display:inline-flex;flex:0 0 auto;align-items:center;gap:10px;min-width:max-content;min-height:44px;color:var(--hdr-text);text-decoration:none}.product-header__lockup:has(.product-header__wordmark){gap:12px}.product-header__icon{display:block;flex:0 0 24px;width:24px;height:24px;color:var(--teal)}.product-header__wordmark{display:block;flex:0 0 auto;width:160px;height:26px;color:var(--hdr-text)}.product-header__name{flex:0 0 auto;color:var(--hdr-text);font-size:17px;font-weight:600;letter-spacing:-.01em;line-height:1.2;white-space:nowrap}.product-header__beta{flex:0 0 auto;border:1px solid color-mix(in srgb,var(--teal) 50%,transparent);border-radius:999px;color:var(--teal);font-size:10px;font-weight:600;letter-spacing:.14em;line-height:1;padding:3px 8px;text-transform:uppercase}.product-header__cluster{flex:0 0 auto;margin-left:auto;min-width:0}.product-header__cluster,.product-header__links{display:flex;align-items:center;gap:24px}.product-header__links a{display:inline-flex;align-items:center;min-height:44px;color:var(--text-nav);font-size:15px;font-weight:500;line-height:1.2;text-decoration:none;white-space:nowrap}.product-header__links a:hover,.product-header__sheet a:hover,.product-header__verafy:hover{color:var(--hdr-text)}.product-header__links a[aria-current=page]{color:var(--hdr-text);text-decoration:underline;text-decoration-color:var(--teal);text-decoration-thickness:2px;text-underline-offset:6px}.product-header__divider{flex:0 0 auto;width:1px;height:20px;background:var(--hdr-divider)}.product-header__verafy{display:inline-flex;align-items:center;gap:4px;min-height:44px;color:var(--text-muted);font-size:14px;font-weight:500;line-height:1.2;text-decoration:none;white-space:nowrap}.product-header__external{display:block;flex:0 0 auto}.product-header__slot{display:flex;flex:0 0 auto;align-items:center}.product-header__sheet{position:absolute;top:100%;left:0;right:0;display:flex;flex-direction:column;gap:0;box-sizing:border-box;padding:4px 16px 12px;background:var(--hdr-bg);border-bottom:1px solid var(--hdr-border)}.product-header__sheet[hidden]{display:none}.product-header__sheet a{display:flex;align-items:center;min-height:44px;color:var(--text-nav);font-size:16px;font-weight:500;text-decoration:none}.product-header a:focus-visible,.product-header button:focus-visible{outline:2px solid var(--teal);outline-offset:2px}.bias-sim-banner{top:var(--hdr-height)}.bias-shell-main{padding-top:calc(var(--hdr-height) + 52px)}@media (max-width:1279px) and (min-width:1100px){.product-header__cluster,.product-header__links{gap:16px}}@media (max-width:1099px){.product-header__menu{display:inline-flex}.product-header__beta,.product-header__divider,.product-header__links,.product-header__verafy{display:none}}@media (min-width:1100px){.product-header__sheet{display:none}}@media (max-width:639px){:root{--hdr-pad:16px}.product-header__wordmark{width:108px;height:18px}.product-header{height:var(--hdr-height-mobile)}.product-header__bar{gap:8px}.product-header__beta{display:none}.bias-sim-banner{top:var(--hdr-height-mobile)}.bias-shell-main{padding-top:calc(var(--hdr-height-mobile) + 52px)}}@media (max-width:400px){.product-header[data-product=predict] .product-header__wordmark{width:80px;height:13px}.product-header[data-product=predict] .product-header__lockup:has(.product-header__wordmark){gap:8px}}@media (max-width:359px){:root{--hdr-pad:8px}.product-header__wordmark{width:76px;height:13px}.product-header__bar{gap:4px}.product-header__lockup{gap:6px}}@media (prefers-reduced-motion:reduce){.product-header,.product-header *{transition:none}}