/* ── altimn shared chrome (subpages): header + footer, mirrors the homepage ──
   Relies on the design tokens declared in notes.css :root. */

/* offset page content below the fixed bar */
body{padding-top:70px;}

/* top bar — always solid on subpages (no hero to fade over) */
.topbar{position:fixed;inset:0 0 auto 0;z-index:100;display:flex;align-items:center;justify-content:space-between;
  padding:18px var(--pad);background:color-mix(in oklab,var(--paper) 92%,transparent);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:background .4s;}
.brand{display:flex;align-items:center;gap:9px;}
.altimn-logo{height:30px;width:auto;display:block;}
.topnav{display:flex;align-items:center;gap:clamp(14px,2.2vw,32px);}
.topnav a{font-family:var(--mono);font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;color:var(--dim);transition:color .2s;white-space:nowrap;}
.topnav a:hover{color:var(--ink);}
.topnav a.active{background:var(--accent);color:#222831;padding:3px 8px 5px;clip-path:var(--sketch);}
.nav-sub{display:none;}
.lang-sw{display:flex;align-items:center;gap:6px;}
.lang-sw a{font-family:var(--mono);font-size:.68rem;letter-spacing:.13em;text-transform:uppercase;color:rgba(34,40,49,.75);
  width:28px;height:28px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;transition:color .2s,background .2s;}
.lang-sw a:hover{color:var(--ink);}
.lang-sw a.active{background:var(--accent);color:#222831;font-weight:500;}
.sw-sep{font-family:var(--mono);font-size:.68rem;color:var(--line);}
.nav-toggle{display:none;}
#nav-overlay{display:none;position:fixed;inset:0;z-index:99;background:rgba(26,18,6,.40);}
.lang-sw-menu{display:none;}

@media(max-width:860px){
  .lang-sw:not(.lang-sw-menu){display:none;}
  .topbar.nav-open{background:var(--paper);}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;padding:0;margin-left:8px;background:none;border:none;cursor:pointer;}
  .hbg-icon line{stroke:var(--ink);stroke-linecap:round;transform-box:view-box;transform-origin:10px 7px;transition:transform .32s ease,opacity .22s ease;}
  .topbar.nav-open .hbg-t{transform:translateY(6px) rotate(45deg);}
  .topbar.nav-open .hbg-m{opacity:0;}
  .topbar.nav-open .hbg-b{transform:translateY(-6px) rotate(-45deg);}
  .topbar.nav-open + #nav-overlay{display:block;}
  .topnav{display:flex;flex-direction:column;align-items:flex-start;gap:0;position:absolute;top:100%;left:0;right:0;
    padding:6px var(--pad) 28px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 12px 32px rgba(26,18,6,.10);
    opacity:0;pointer-events:none;transform:translateY(-6px);transition:opacity .28s ease,transform .28s ease;}
  .topbar.nav-open .topnav{opacity:1;pointer-events:auto;transform:none;}
  .topnav a{font-size:.92rem;letter-spacing:.1em;padding:13px 0 13px 14px;width:100%;border-bottom:1px solid color-mix(in oklab,var(--line) 55%,transparent);transition:color .18s,background .18s,padding-left .18s;}
  .nav-sub{display:inline;font-size:.78em;opacity:.5;letter-spacing:.06em;}
  .topnav a:first-child{border-top:1px solid color-mix(in oklab,var(--line) 55%,transparent);}
  .topnav a:last-of-type{border-bottom:none;}
  .topnav a:hover{color:var(--ink);padding-left:20px;}
  .topnav a.active{background:color-mix(in oklab,var(--accent) 14%,transparent);color:var(--accent);font-weight:600;padding:13px 0 13px 14px;}
  .nav-toggle:hover .hbg-icon line{stroke:var(--accent);}
  .nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:4px;}
  .lang-sw-menu{display:flex;align-items:center;gap:6px;width:100%;margin-top:18px;padding-top:18px;border-top:1px solid color-mix(in oklab,var(--line) 55%,transparent);justify-content:flex-end;}
  .lang-sw-menu a{font-size:.8rem;width:34px;height:34px;}
}

/* footer — dark, mirrors the homepage */
footer.site-foot{background:#111;}
.site-foot .foot-in{max-width:var(--maxw);margin:0 auto;padding:22px var(--pad) 30px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.1);}
.site-foot .mono{font-family:var(--mono);font-size:.68rem;letter-spacing:.13em;text-transform:uppercase;color:rgba(164,138,65,.6);}
@media(max-width:600px){
  .site-foot .foot-geo,.site-foot .foot-clock{display:none;}
  .site-foot .foot-in{flex-direction:column;align-items:center;text-align:center;gap:4px;padding:14px var(--pad) 16px;}
  .site-foot .foot-copy{margin-left:auto;}
}