/* =========================================================
   FOLIO — SHARED HEADER + FOOTER STYLES
   Include this on every page that loads header.html / footer.html.
   Requires the page's own <style> to already define the design
   tokens (--ink, --accent, --on-dark, --ease, etc.) and base
   rules (.wrap, .btn, .btn-primary, .btn-ghost-dark) — those live
   per-page since they're used by more than just the header/footer.
   ========================================================= */

/* ============================= NAV ============================= */
#nav{
  position:fixed;top:0;left:0;right:0;z-index:500;
  display:flex;align-items:center;height:76px;
  background:var(--nav-bg);border-bottom:1px solid transparent;
  transition:background .25s,border-color .25s,height .25s;
}
#nav.scrolled{background:var(--nav-bg-scrolled);backdrop-filter:blur(14px);border-color:var(--ink-border);height:68px;}
#nav .wrap{display:flex;align-items:center;width:100%;gap:4px;}
.brand{display:flex;align-items:center;gap:10px;margin-right:22px;}
.brand-mark{
  width:32px;height:32px;border-radius:50%;flex:0 0 auto;
  background:radial-gradient(circle at 32% 30%, var(--accent-hi), var(--accent) 65%, #106b57 100%);
  display:flex;align-items:center;justify-content:center;
  font-family:'Fraunces',serif;font-weight:700;font-size:16px;color:var(--accent-ink);
  box-shadow:0 0 0 3px rgba(31,158,130,.15);
}
.brand-name{font-family:'Fraunces',serif;font-weight:600;font-size:20px;letter-spacing:.2px;color:var(--on-dark);}
#nav-links{display:flex;align-items:center;gap:2px;margin-right:auto;}
#nav-links > a{
  font-size:14px;font-weight:500;color:var(--on-dark-mute);padding:9px 12px;border-radius:7px;transition:color .15s,background .15s;
}
#nav-links > a:hover{color:var(--on-dark);background:var(--ink-3);}
#nav-links > a.active{color:var(--on-dark);background:var(--ink-3);}
.nav-dd{position:relative;display:inline-flex;}
.nav-dd-btn{
  display:inline-flex;align-items:center;gap:5px;background:transparent;border:none;
  font-size:14px;font-weight:500;color:var(--on-dark-mute);padding:9px 12px;border-radius:7px;
  transition:color .15s,background .15s;font-family:inherit;
}
.nav-dd-btn svg{width:12px;height:12px;transition:transform .18s var(--ease);flex:0 0 auto;}
.nav-dd-btn:hover{color:var(--on-dark);background:var(--ink-3);}
.nav-dd-btn[aria-expanded="true"]{color:var(--on-dark);background:var(--ink-3);}
.nav-dd-btn[aria-expanded="true"] svg{transform:rotate(180deg);}

/* Simple dropdown (Resources) */
.dropdown-panel{
  position:absolute;top:calc(100% + 12px);left:0;min-width:230px;background:var(--ink-2);border:1px solid var(--ink-border);
  border-radius:12px;padding:8px;box-shadow:0 20px 50px rgba(0,0,0,.35);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .16s var(--ease),transform .16s var(--ease),visibility .16s;
}
.dropdown-panel.open{opacity:1;visibility:visible;transform:none;}
.dropdown-panel a{display:block;padding:10px 12px;border-radius:8px;font-size:13.5px;color:var(--on-dark-mute);}
.dropdown-panel a:hover{background:var(--ink-3);color:var(--on-dark);}

/* Mega menu (What We Do) */
.mega-panel{
  position:absolute;top:100%;left:0;right:0;background:var(--ink-2);
  border-top:1px solid var(--ink-border);border-bottom:1px solid var(--ink-border);
  box-shadow:0 30px 60px rgba(0,0,0,.4);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s;
}
.mega-panel.open{opacity:1;visibility:visible;transform:none;}
.mega-inner{padding:34px 32px 32px;max-width:1180px;margin:0 auto;}
.mega-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px 26px;}
.mega-col{min-width:0;}
.mega-col .mnum{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--accent-hi);letter-spacing:.07em;display:block;margin-bottom:9px;}
.mega-col h4{font-family:'Fraunces',serif;font-size:16.5px;font-weight:600;color:var(--on-dark);margin-bottom:10px;}
.mega-col ul{display:flex;flex-direction:column;margin-bottom:8px;}
.mega-col a.mega-link{display:block;padding:6px 0;font-size:13.5px;color:var(--on-dark-mute);}
.mega-col a.mega-link:hover{color:var(--accent-hi);}
.mega-explore{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;font-weight:600;color:var(--accent-hi);margin-top:6px;}
.mega-explore svg{width:12px;height:12px;transition:transform .15s;}
.mega-explore:hover svg{transform:translateX(2px);}
.mega-col.featured{background:rgba(31,158,130,.09);border:1px solid rgba(31,158,130,.22);border-radius:12px;padding:18px;}
.mega-col.featured p{font-size:13px;color:var(--on-dark-mute);line-height:1.55;margin-bottom:14px;}
.mega-col.featured .mega-explore{
  background:var(--accent);color:var(--accent-ink);padding:8px 13px;border-radius:7px;font-size:13px;margin-top:2px;
}
.mega-col.featured .mega-explore:hover{background:var(--accent-hi);}

#navBackdrop{
  position:fixed;inset:0;background:rgba(6,7,10,.4);z-index:480;
  opacity:0;visibility:hidden;transition:opacity .18s,visibility .18s;
}
#navBackdrop.open{opacity:1;visibility:visible;}

.nav-auth{display:flex;align-items:center;gap:10px;margin-left:14px;}
.nav-auth .btn{padding:10px 18px;font-size:14px;}
.nav-auth .btn-ghost-dark{padding:9px 15px;font-size:13.5px;}
.balance-chip{
  font-family:'JetBrains Mono',monospace;font-weight:600;letter-spacing:.01em;
}
.balance-chip svg{color:var(--accent-hi);width:15px;height:15px;flex:0 0 auto;}
.mn-actions .balance-chip{justify-content:center;}
#hamburger{
  display:none;width:44px;height:44px;border-radius:8px;border:1.5px solid var(--ink-border);background:transparent;
  align-items:center;justify-content:center;color:var(--on-dark);flex:0 0 auto;
}
#hamburger svg{width:20px;height:20px;}
.theme-toggle{
  width:42px;height:42px;padding:0;border-radius:8px;border:1.5px solid var(--ink-border);background:transparent;
  color:var(--on-dark);display:flex;align-items:center;justify-content:center;flex:0 0 auto;transition:background .15s,border-color .15s;
}
.theme-toggle:hover{background:var(--ink-3);border-color:var(--on-dark-dim);}
.theme-toggle svg{width:19px;height:19px;}
.theme-toggle .icon-sun{display:none;}
html[data-theme="light"] .theme-toggle .icon-moon{display:none;}
html[data-theme="light"] .theme-toggle .icon-sun{display:block;}
.mn-theme{display:flex;align-items:center;gap:10px;width:100%;padding:14px 4px;border-top:1px solid var(--ink-border);margin-top:6px;font-size:15px;font-weight:600;color:var(--on-dark);background:none;border-left:none;border-right:none;border-bottom:none;}
.mn-theme svg{width:19px;height:19px;}
.mn-theme .icon-sun{display:none;}
html[data-theme="light"] .mn-theme .icon-moon{display:none;}
html[data-theme="light"] .mn-theme .icon-sun{display:block;}

/* Theme toggle: always visible on mobile, next to hamburger */
.theme-toggle-bar{display:none;}

/* Mobile nav drawer */
#mobileNav{
  position:fixed;inset:0;z-index:900;background:var(--ink);display:none;flex-direction:column;padding:20px 24px 40px;
  overflow-y:auto;
}
#mobileNav.open{display:flex;}
.mn-top{display:flex;align-items:center;justify-content:space-between;height:56px;flex:0 0 auto;}
#mnClose{width:44px;height:44px;border-radius:8px;border:1.5px solid var(--ink-border);background:transparent;color:var(--on-dark);display:flex;align-items:center;justify-content:center;}
#mnClose svg{width:20px;height:20px;}
#mnBody{margin-top:14px;}
.mn-link{display:block;font-family:'Fraunces',serif;font-size:22px;font-weight:600;padding:15px 4px;border-bottom:1px solid var(--ink-border);color:var(--on-dark);}
.mn-acc{border-bottom:1px solid var(--ink-border);}
.mn-acc-head{display:flex;align-items:center;justify-content:space-between;width:100%;background:none;border:none;font-family:'Fraunces',serif;font-size:22px;font-weight:600;padding:15px 4px;color:var(--on-dark);}
.mn-acc-head svg{width:17px;height:17px;color:var(--on-dark-mute);transition:transform .2s var(--ease);flex:0 0 auto;}
.mn-acc-head[aria-expanded="true"] svg{transform:rotate(180deg);}
.mn-acc-body{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.mn-acc-body.open{max-height:900px;}
.mn-cat-row{display:flex;align-items:center;gap:13px;padding:13px 4px;border-top:1px solid var(--ink-border);color:var(--on-dark);}
.mn-cat-num{font-family:'JetBrains Mono',monospace;font-size:11.5px;color:var(--accent-hi);flex:0 0 auto;width:20px;}
.mn-cat-body{flex:1;min-width:0;}
.mn-cat-title{display:block;font-size:16px;font-weight:600;}
.mn-cat-sub{display:block;font-size:12px;color:var(--on-dark-dim);margin-top:2px;}
.mn-cat-row svg{width:15px;height:15px;color:var(--on-dark-dim);flex:0 0 auto;}
.mn-res-link{display:block;padding:12px 4px 12px 24px;border-top:1px solid var(--ink-border);font-size:15px;color:var(--on-dark-mute);}
.mn-actions{display:flex;flex-direction:column;gap:12px;margin-top:26px;flex:0 0 auto;}
.mn-actions .btn{width:100%;padding:15px;font-size:16px;}

/* ============================= FOOTER ============================= */
footer{background:var(--ink);border-top:1px solid var(--ink-border);padding:70px 0 30px;}
.foot-top{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:32px;padding-bottom:50px;}
.foot-brand p{font-size:13.5px;color:var(--on-dark-mute);line-height:1.65;margin:16px 0 20px;max-width:260px;}
.foot-social{display:flex;gap:10px;}
.foot-social a{width:36px;height:36px;border-radius:8px;border:1px solid var(--ink-border);display:flex;align-items:center;justify-content:center;color:var(--on-dark-mute);}
.foot-social a:hover{color:var(--on-dark);border-color:var(--on-dark-dim);}
.foot-social svg{width:16px;height:16px;}
.foot-col h4{font-family:'JetBrains Mono',monospace;font-size:11.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--on-dark-dim);margin-bottom:16px;font-weight:500;}
.foot-col ul{display:flex;flex-direction:column;gap:11px;}
.foot-col a{font-size:13.5px;color:var(--on-dark-mute);}
.foot-col a:hover{color:var(--on-dark);}
.foot-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:26px;border-top:1px solid var(--ink-border);font-size:12.5px;color:var(--on-dark-dim);flex-wrap:wrap;gap:14px;}
.foot-bottom .flinks{display:flex;gap:18px;}

/* ============================= RESPONSIVE ============================= */
@media (max-width:1180px){
  #nav-links,.nav-auth{display:none;}
  #hamburger{display:flex;}
  .theme-toggle-bar{display:flex;margin-right:8px;}
}
@media (max-width:1040px){
  .foot-top{grid-template-columns:1fr 1fr 1fr;}
  .foot-brand{grid-column:1/-1;}
}
@media (max-width:860px){
  .foot-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:560px){
  .foot-top{grid-template-columns:1fr;gap:34px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}