/* Four clear entrances; existing lesson-plan grade selection remains intact. */
.site-header .site-brand-nav{min-width:0;flex:1}
.site-header nav.primary-entries{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;width:100%;margin:22px 0 0;padding:0;border:0;align-items:stretch}
.site-header nav.primary-entries a{display:flex;flex-direction:column;justify-content:center;gap:5px;min-width:0;min-height:76px;padding:13px 15px;border:1px solid #cad5d6;border-radius:6px;background:#f5f8f7;color:#243a42;text-decoration:none;box-sizing:border-box;line-height:1.45}
.site-header nav.primary-entries a::after{display:none}
.site-header nav.primary-entries a[aria-current="page"]{border-color:#176679;background:#176679;color:#fff}
.site-header nav.primary-entries a:hover{border-color:#176679;background:#e7f0ef;color:#153d48}
.site-header nav.primary-entries a:focus-visible,.worksheet-activity-links a:focus-visible{outline:3px solid #bd5b43;outline-offset:3px}
.entry-label{font-weight:700;font-size:17px;white-space:nowrap}
.entry-description{font-size:11px;line-height:1.5;white-space:normal;color:inherit;opacity:.9}
.worksheet-activity-index{padding:24px 0 28px;border-top:1px solid #cad5d6;margin-top:24px}
.worksheet-activity-index h2{margin:0 0 18px}
.worksheet-activity-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.worksheet-activity-links a{display:grid;grid-template-columns:1fr auto;gap:9px;padding:24px;border:1px solid #bdd0d3;border-left:5px solid #176679;background:#fff;text-decoration:none;color:#243a42}
.worksheet-activity-links strong{grid-column:1;font-size:24px}
.worksheet-activity-links a span:first-of-type{grid-column:1;font-size:14px;line-height:1.65}
.worksheet-activity-links a span:last-of-type{grid-column:2;grid-row:1 / 3;align-self:center;font-size:25px;color:#176679}
#education-services{scroll-margin-top:24px}
@media(max-width:760px){
 .site-header nav.primary-entries{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:20px}
 .site-header nav.primary-entries a{padding:12px 13px;min-height:73px}
 .entry-label{font-size:17px}
 .entry-description{font-size:11px}
 .worksheet-activity-links{grid-template-columns:1fr;gap:12px}
 .worksheet-activity-links a{padding:20px}
}