.site-shell-header{background:#fff;border-bottom:1px solid #e5e9f2;box-shadow:0 2px 12px rgba(24,33,63,.04)}
.site-shell-inner{max-width:1100px;margin:0 auto;padding:18px 24px;display:flex;align-items:center;justify-content:center;position:relative}
.site-shell-row{display:flex;align-items:center;justify-content:center;gap:28px;width:100%}
.site-shell-brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:#18213f;font-weight:800;font-size:19px;white-space:nowrap}
.site-shell-brand img{
  width:70px;
  height:auto;
}
.site-shell-nav{display:flex;align-items:center;gap:22px;font-size:14px;font-weight:600}
.site-shell-nav a{text-decoration:none;color:#18213f}
.site-shell-nav a:hover{color:#5138e8}
.site-shell-toggle{display:none;border:1px solid #e1e5ef;background:#fff;color:#18213f;border-radius:10px;width:42px;height:40px;cursor:pointer;align-items:center;justify-content:center}
.site-shell-toggle span,.site-shell-toggle span::before,.site-shell-toggle span::after{display:block;width:20px;height:2px;background:currentColor;border-radius:2px}
.site-shell-toggle span{position:relative}
.site-shell-toggle span::before,.site-shell-toggle span::after{content:"";position:absolute;left:0}
.site-shell-toggle span::before{top:-6px}.site-shell-toggle span::after{top:6px}
.site-shell-reset{display:block;margin-top:6px;text-align:center;font-size:12px;color:#64708d;text-decoration:underline;cursor:pointer}
.site-shell-footer{margin-top:50px;background:#18213f;color:#fff;padding:26px 24px}
.site-shell-footer-inner{max-width:1100px;margin:auto;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13px}
.site-shell-footer a{color:#fff}
@media(max-width:700px){
  .site-shell-inner{padding:14px 18px}
  .site-shell-row{justify-content:space-between;gap:10px}
  .site-shell-toggle{display:flex}
  .site-shell-nav{display:none;position:absolute;z-index:100;top:calc(100% + 8px);right:18px;min-width:190px;padding:10px;background:#fff;border:1px solid #e1e5ef;border-radius:14px;box-shadow:0 12px 30px rgba(24,33,63,.14);flex-direction:column;gap:0}
  .site-shell-nav.is-open{display:flex}
  .site-shell-nav a{display:block;width:100%;padding:11px 12px;border-radius:9px}
  .site-shell-nav a:hover{background:#f4f2ff}
  .site-shell-footer-inner{flex-direction:column;align-items:center;text-align:center}
}

/* Calculator header: Start a new test lives inside the navigation menu.
   Static/legal pages keep the full Calculator / Contact / Terms / Privacy menu. */
.site-shell-nav.calculator-nav .site-shell-reset-menu{
  white-space:nowrap;
}

@media (max-width: 760px){
  .site-shell-nav.calculator-nav{
    display:none;
  }
  .site-shell-header:has(.site-shell-nav.calculator-nav) .site-shell-toggle{
    display:flex;
  }
  .site-shell-header:has(.site-shell-nav.calculator-nav) .site-shell-nav.calculator-nav.is-open{
    display:flex;
  }
  .site-shell-nav.calculator-nav.is-open{
    position:absolute;
    top:100%;
    right:0;
    min-width:190px;
    padding:10px;
    background:#fff;
    border:1px solid #e5e7eb;
    border-radius:10px;
    box-shadow:0 10px 30px rgba(15,23,42,.12);
    flex-direction:column;
    align-items:stretch;
    z-index:100;
  }
  .site-shell-nav.calculator-nav.is-open a{
    display:block;
    padding:10px 12px;
  }
}

@media (min-width: 761px){
  .site-shell-header:has(.site-shell-nav.calculator-nav) .site-shell-toggle{
    display:none;
  }
}