/* Gather & Learn — shared site header. One source for every page. */
.gnav, .gnav *{box-sizing:border-box;}
.gnav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.85);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:border-color .3s,background .3s;
  font-family:'Manrope',-apple-system,'Segoe UI',sans-serif;}
.gnav.stuck{border-color:#e4e9eb;}
.gnav .gwrap{max-width:1200px;margin:0 auto;padding:0 clamp(20px,4.5vw,56px);
  height:70px;display:flex;align-items:center;justify-content:space-between;gap:22px;}
.gnav .gleft{display:flex;align-items:center;gap:16px;flex-shrink:0;}
.gnav .gright{min-width:0;}
.gnav #regChip{max-width:190px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:middle;}
.gnav .glogo{display:inline-flex;align-items:center;flex:none;}
.gnav .glogo img{display:block;height:54px;width:auto;}
.gnav .glogo .l-dark{display:none;}
.gnav .gright{display:flex;align-items:center;gap:24px;}

/* nav links */
.gnav .glk{font-weight:600;font-size:14px;color:#2b4a5c;text-decoration:none;white-space:nowrap;transition:color .2s;}
.gnav .glk:hover{color:#51643b;}
.gnav .ghome{font-weight:600;font-size:14px;color:#2b4a5c;text-decoration:none;white-space:nowrap;transition:color .2s;}
.gnav .ghome:hover{color:#51643b;}

/* page/state indicator */
.gnav .divider{width:1px;height:26px;background:#d1dadd;flex:none;}
.gnav .pill{font-weight:700;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#51643b;
  border:1.5px solid #d1dadd;border-radius:999px;padding:6px 13px;white-space:nowrap;}
.gnav .gwhich{display:flex;flex-direction:column;line-height:1.08;min-width:0;}
.gnav .gwhich .lbl{font-weight:700;font-size:9px;letter-spacing:.16em;text-transform:uppercase;color:#5f7c8a;}
.gnav .gwhich .tname{font-family:'Cormorant Garamond',Georgia,serif;font-weight:600;font-size:20px;color:#0C2033;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

/* theme toggle */
.gnav .gtgl{display:inline-flex;align-items:center;gap:7px;font-family:inherit;font-weight:600;font-size:13px;color:#2b4a5c;
  background:transparent;border:1.5px solid #d1dadd;border-radius:9px;padding:8px 13px;cursor:pointer;transition:.2s;}
.gnav .gtgl:hover{border-color:#6e8053;color:#51643b;}
.gnav .gtgl svg{width:15px;height:15px;}
.gnav .gtgl .tx-dark{display:none;}

/* buttons */
.gnav .gbtn{font-family:inherit;font-weight:700;font-size:14px;cursor:pointer;border:0;display:inline-flex;align-items:center;gap:8px;
  padding:12px 20px;border-radius:10px;white-space:nowrap;text-decoration:none;background:#6e8053;color:#fff;
  transition:transform .2s,box-shadow .2s,border-color .2s,color .2s,background .2s;}
.gnav .gbtn:hover{transform:translateY(-2px);box-shadow:0 12px 26px -12px #6e8053;}
.gnav .gbtn.ghost{background:transparent;border:1.5px solid #d1dadd;color:#0C2033;}
.gnav .gbtn.ghost:hover{border-color:#6e8053;color:#51643b;box-shadow:none;transform:none;}

/* dark theme */
html[data-theme="dark"] .gnav{background:rgba(7,21,33,.85);}
html[data-theme="dark"] .gnav.stuck{border-color:#153040;}
html[data-theme="dark"] .gnav .glogo .l-light{display:none;}
html[data-theme="dark"] .gnav .glogo .l-dark{display:block;}
html[data-theme="dark"] .gnav .glk,html[data-theme="dark"] .gnav .ghome{color:#c2d2d9;}
html[data-theme="dark"] .gnav .glk:hover,html[data-theme="dark"] .gnav .ghome:hover{color:#9bad75;}
html[data-theme="dark"] .gnav .divider{background:#1f4356;}
html[data-theme="dark"] .gnav .pill{color:#9bad75;border-color:#1f4356;}
html[data-theme="dark"] .gnav .gwhich .lbl{color:#8aa0ab;}
html[data-theme="dark"] .gnav .gwhich .tname{color:#eaf1f3;}
html[data-theme="dark"] .gnav .gtgl{color:#c2d2d9;border-color:#1f4356;}
html[data-theme="dark"] .gnav .gtgl .tx-light{display:none;}
html[data-theme="dark"] .gnav .gtgl .tx-dark{display:inline;}
html[data-theme="dark"] .gnav .gbtn{background:#9bad75;color:#06141f;}
html[data-theme="dark"] .gnav .gbtn:hover{box-shadow:0 12px 26px -12px #9bad75;}
html[data-theme="dark"] .gnav .gbtn.ghost{background:transparent;color:#eaf1f3;border-color:#1f4356;}

/* mobile: desktop-first, then collapse */
@media(max-width:900px){
  .gnav .gwrap{min-height:60px;height:auto;padding-top:9px;padding-bottom:9px;flex-wrap:wrap;row-gap:9px;}
  .gnav .glogo img{height:40px;}
  .gnav .gright{gap:10px;flex-wrap:wrap;}
  .gnav .glk{display:none;}
  .gnav .divider{display:none;}
  .gnav .gwhich .tname{font-size:17px;}
}
@media(max-width:560px){
  .gnav .gtgl .tx-light,.gnav .gtgl .tx-dark{display:none!important;}
  .gnav .gbtn{padding:10px 14px;font-size:13px;}
}