.nav-toggle,.submenu-toggle{border:0;background:none;color:inherit;font:inherit;cursor:pointer}
.nav-toggle{display:none}
.nav{overflow:visible}
.nav-direct,.nav-item,.nav-label,.nav-primary{height:100%}
.nav-direct,.nav-primary{display:flex;align-items:center;border-bottom:3px solid transparent;transition:color .2s,border-color .2s}
.nav-direct:hover,.nav-direct.active,.nav-primary:hover,.nav-primary.active{color:var(--blue);border-color:var(--blue);font-weight:700}
.nav-item{position:relative;display:flex;align-items:center}
.nav-label{display:flex;align-items:center}
.nav-primary::after{content:"";width:5px;height:5px;margin-left:6px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg) translateY(-2px);opacity:.55}
.submenu-toggle{display:none}
.nav-submenu{position:absolute;left:50%;top:calc(100% - 1px);width:320px;padding:12px;display:grid;gap:3px;visibility:hidden;opacity:0;pointer-events:none;transform:translate(-50%,9px);border:1px solid #dce6f4;border-radius:0 0 13px 13px;background:rgba(255,255,255,.99);box-shadow:0 22px 48px rgba(20,58,115,.16);transition:opacity .18s,transform .18s,visibility .18s;white-space:normal}
.nav-submenu-wide{width:620px;grid-template-columns:1fr 1fr}
.nav-item-last .nav-submenu{left:auto;right:-16px;transform:translateY(9px)}
.nav-item:hover>.nav-submenu,.nav-item:focus-within>.nav-submenu,.nav-item.submenu-open>.nav-submenu{visibility:visible;opacity:1;pointer-events:auto;transform:translate(-50%,0)}
.nav-item-last:hover>.nav-submenu,.nav-item-last:focus-within>.nav-submenu,.nav-item-last.submenu-open>.nav-submenu{transform:translateY(0)}
.submenu-heading{padding:9px 10px 11px;margin-bottom:3px;border-bottom:1px solid #e7edf6}
.nav-submenu-wide .submenu-heading{grid-column:1/3}
.submenu-heading span{display:block;color:#2b6dd5;font:700 8px/1 Arial;letter-spacing:.14em}
.submenu-heading b{display:block;margin-top:5px;color:#6c7d94;font-size:10px;font-weight:500}
.nav-submenu>a{min-height:55px;height:auto!important;padding:8px 10px;display:grid!important;grid-template-columns:34px 1fr;gap:10px;align-items:center;border:0!important;border-radius:8px;color:#213858!important;font-weight:400!important;transition:background .18s,transform .18s!important}
.nav-submenu>a:hover,.nav-submenu>a:focus{background:#f1f6ff;transform:translateX(2px);outline:none}
.nav-submenu>a>i{width:32px;height:32px;display:grid;place-items:center;border-radius:9px;background:#eaf2ff;color:#1a61dd;font-size:12px;font-style:normal;font-weight:800}
.nav-submenu>a b{display:block;font-size:12px;line-height:1.35}
.nav-submenu>a small{display:block;margin-top:3px;color:#7b8ca3;font-size:9px;line-height:1.35}

.section-subnav{position:relative;z-index:8;border-bottom:1px solid #e1e9f5;background:#fff;box-shadow:0 8px 22px rgba(32,70,125,.04)}
.section-subnav .shell{min-height:58px;display:flex;align-items:stretch;gap:4px;overflow-x:auto;scrollbar-width:none}
.section-subnav .shell::-webkit-scrollbar{display:none}
.section-subnav a{position:relative;flex:0 0 auto;min-width:118px;padding:10px 14px;display:flex;flex-direction:column;justify-content:center;border-bottom:2px solid transparent;color:#526782;transition:.18s}
.section-subnav a:hover,.section-subnav a.active{color:#155bd8;border-color:#155fe5;background:#f7faff}
.section-subnav b{font-size:11px}
.section-subnav small{margin-top:3px;color:#91a0b3;font-size:8px}
.section-subnav a.active small{color:#6b8fc8}
.section-subnav.compact .shell{justify-content:center}
.section-subnav.compact a{min-width:auto;padding-inline:18px}
#articles,#experiments,#method,#overview,#tools,#services,#cases,#process,#contact,#story,#founder,#principles,#timeline{scroll-margin-top:88px}

@media(max-width:1180px) and (min-width:901px){
  .header-inner{gap:17px}.nav{gap:15px;font-size:11px}.brand{min-width:154px}.brand strong{font-size:18px}.header-cta{padding-inline:13px}.nav-primary::after{margin-left:4px}
}

@media(max-width:900px){
  .site-header{height:64px}.header-inner{gap:12px}.brand{min-width:auto}.brand small{display:none}.header-cta{margin-left:auto}.nav-toggle{width:42px;height:40px;padding:6px;display:grid;place-content:center;gap:4px;border-radius:7px;order:3}.nav-toggle:hover{background:#f0f5fd}.nav-toggle span{width:19px;height:2px;display:block;background:#17375f;transition:.2s}.nav-toggle b{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
  .nav{position:absolute;left:0;right:0;top:63px;height:calc(100vh - 63px);padding:10px 18px 28px;display:none;overflow-x:hidden;overflow-y:auto;justify-content:flex-start;flex-direction:column;gap:2px;background:#fff;border-bottom:1px solid #dce6f4;box-shadow:0 20px 40px rgba(20,58,115,.12);white-space:normal}.nav.nav-open{display:flex}.nav-direct,.nav-item,.nav-label,.nav-primary{height:auto}.nav-direct,.nav-primary{min-height:47px;border:0;font-size:14px}.nav-direct{padding:0 12px}.nav-item{display:block;border-top:1px solid #edf1f7}.nav-label{display:grid;grid-template-columns:1fr 42px}.nav-primary{padding:0 12px}.nav-primary::after{display:none}.submenu-toggle{display:block;position:relative;border-radius:7px}.submenu-toggle::before{content:"";position:absolute;left:15px;top:14px;width:8px;height:8px;border-right:1.5px solid #526c8d;border-bottom:1.5px solid #526c8d;transform:rotate(45deg);transition:.2s}.submenu-toggle[aria-expanded="true"]::before{top:18px;transform:rotate(225deg)}
  .nav-submenu,.nav-submenu-wide,.nav-item-last .nav-submenu{position:static;width:auto;padding:0 0 8px 12px;display:none;grid-template-columns:1fr;visibility:visible;opacity:1;pointer-events:auto;transform:none!important;border:0;border-radius:0;background:#fff;box-shadow:none}.nav-item.submenu-open>.nav-submenu{display:grid}.nav-submenu-wide .submenu-heading{grid-column:auto}.submenu-heading{display:none}.nav-submenu>a{min-height:51px!important;padding:7px 10px!important;grid-template-columns:30px 1fr!important}.nav-submenu>a>i{width:28px;height:28px}.nav-submenu>a b{font-size:11px}.nav-submenu>a small{font-size:8px}
  .section-subnav{top:0}.section-subnav .shell{width:100%;min-height:52px;padding:0 15px;justify-content:flex-start!important}.section-subnav a{min-width:auto;padding:9px 14px}.section-subnav small{display:none}
  .page-hero,.content-hero,.learn-hub-hero,.industry-index-hero,.industry-detail-hero,.topic-detail-hero,.experiment-detail-hero{padding-top:44px!important}.article-top{padding-top:34px!important}.geo-tool-page{padding-top:0!important}
  body.nav-locked{overflow:hidden}
}

@media(max-width:520px){.brand strong{font-size:16px}.brand-mark{width:30px;height:32px}.header-cta{padding:8px 10px;font-size:9px}.nav-toggle{width:36px}.section-subnav a{padding-inline:12px}}