/* ==========================================================
   Site footer (.xf). Self-contained: every page — including the
   standalone ones that don't load site.css — links this file and
   gets the same footer. Only reads the shared colour tokens, each
   with a fallback, so it never depends on which stylesheet loaded.
   ========================================================== */
.xf{
  --xf-ink:var(--ink,#2F3B47); --xf-slate:var(--slate,#5F6B78); --xf-rule:var(--rule,#DDE2E7);
  --xf-band:var(--band,#EDF0F3); --xf-card:var(--card,#fff); --xf-paper:var(--paper,#F8F9FA);
  --xf-accent:var(--marker,#E76F51); --xf-accent-text:var(--marker-text,#B5472B);
  position:relative;overflow:hidden;border-top:1px solid var(--xf-rule);
  background:var(--xf-paper);color:var(--xf-ink);
  font-family:var(--body,'Inter',system-ui,sans-serif);font-size:14.5px;line-height:1.5;
  transition:background .3s ease,color .3s ease;
}
.xf *,.xf *::before,.xf *::after{box-sizing:border-box}
.xf a{color:inherit;text-decoration:none}
.xf-in{max-width:1180px;margin:0 auto;padding:56px 24px 96px} /* bottom room for the floating chat button */
.xf-grid{display:grid;gap:44px 40px;grid-template-columns:1.5fr 1fr 1fr 1.25fr}

/* Column 1 — brand + the one action that matters */
.xf-brand{position:relative}
.xf-glow{position:absolute;right:-10px;top:-20px;width:140px;height:140px;border-radius:50%;
  background:var(--xf-accent);opacity:.13;filter:blur(42px);pointer-events:none}
.xf-mark{display:inline-flex;align-items:center;gap:9px;font-family:var(--display,'Bricolage Grotesque',system-ui,sans-serif);
  font-weight:800;font-size:19px;letter-spacing:-.01em;margin-bottom:16px}
.xf-mark svg{width:30px;height:30px}
.xf .xf-h{color:var(--xf-ink);font-family:var(--display,'Bricolage Grotesque',system-ui,sans-serif);font-weight:800;font-size:26px;line-height:1.15;
  letter-spacing:-.02em;margin:0 0 10px;max-width:16ch}
.xf-lede{color:var(--xf-slate);margin:0 0 20px;max-width:34ch}
.xf-ctas{display:flex;flex-wrap:wrap;gap:10px;position:relative}
.xf-btn{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 18px;border-radius:100px;
  font-weight:600;font-size:14.5px;border:1px solid transparent;cursor:pointer;
  transition:transform .25s cubic-bezier(.34,1.56,.64,1),background .25s ease,border-color .25s ease,color .25s ease}
.xf-btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.xf a.xf-btn-main,.xf .xf-btn-main{background:var(--xf-ink);color:var(--xf-paper)}
.xf a.xf-btn-ghost{border-color:var(--xf-rule);background:var(--xf-card);color:var(--xf-ink)}
@media(hover:hover){
  .xf-btn:hover{transform:translateY(-1px)}
  .xf-btn-main:hover svg{transform:translateX(2px)}
  .xf-btn-ghost:hover{border-color:var(--xf-accent)}
}
.xf-btn svg{transition:transform .25s ease}

/* Link columns */
.xf-col h3{font-family:var(--mono,'IBM Plex Mono',monospace);font-size:11px;font-weight:500;letter-spacing:.14em;
  text-transform:uppercase;color:var(--xf-accent-text);margin:6px 0 16px}
.xf-links{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.xf-links a{display:inline-flex;align-items:center;gap:6px;padding:5px 0;color:var(--xf-slate);
  background-image:linear-gradient(var(--xf-accent),var(--xf-accent));background-size:0 1.5px;
  background-position:0 calc(100% - 3px);background-repeat:no-repeat;
  transition:color .25s ease,background-size .3s ease}
@media(hover:hover){.xf-links a:hover{color:var(--xf-ink);background-size:100% 1.5px}}
.xf-links a[aria-current="page"]{color:var(--xf-ink);font-weight:600}
.xf-ext{font-size:12px;opacity:.6}

/* Contact column */
.xf-addr{font-style:normal;display:grid;gap:4px;margin:0 0 18px}
.xf-addr a,.xf-addr span{display:inline-flex;align-items:center;gap:9px;padding:5px 0;color:var(--xf-slate)}
.xf-addr svg{width:16px;height:16px;flex:none;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
@media(hover:hover){.xf-addr a:hover{color:var(--xf-ink)}}

/* Social icon buttons with tooltips */
.xf-social{display:flex;gap:8px;margin:0 0 20px}
.xf-social a{position:relative;display:grid;place-items:center;width:40px;height:40px;border-radius:50%;
  border:1px solid var(--xf-rule);background:var(--xf-card);color:var(--xf-slate);
  transition:color .25s ease,border-color .25s ease,transform .3s cubic-bezier(.34,1.56,.64,1)}
.xf-social svg{width:17px;height:17px}
.xf-tip{position:absolute;bottom:calc(100% + 9px);left:50%;translate:-50% 4px;padding:5px 9px;border-radius:7px;
  background:var(--xf-ink);color:var(--xf-paper);font-family:var(--mono,'IBM Plex Mono',monospace);font-size:10.5px;
  letter-spacing:.03em;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .25s ease,translate .25s ease}
.xf-tip::after{content:"";position:absolute;top:100%;left:50%;translate:-50% 0;width:6px;height:6px;
  background:var(--xf-ink);rotate:45deg;margin-top:-3px}
@media(hover:hover){
  .xf-social a:hover{color:var(--xf-ink);border-color:var(--xf-accent);transform:translateY(-2px)}
  .xf-social a:hover .xf-tip{opacity:1;translate:-50% 0}
}
.xf-social a:focus-visible .xf-tip{opacity:1;translate:-50% 0}

/* Sun / switch / moon */
.xf-theme{display:inline-flex;align-items:center;gap:10px;color:var(--xf-slate)}
.xf-theme > svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;transition:color .3s ease,opacity .3s ease}
.xf-sw{position:relative;width:46px;height:26px;border-radius:100px;border:0;padding:0;cursor:pointer;
  background:var(--xf-rule);transition:background .3s ease}
.xf-sw::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;
  background:var(--xf-card);box-shadow:0 1px 4px rgba(0,0,0,.18);transition:transform .35s cubic-bezier(.34,1.4,.64,1)}
.xf-sw[aria-checked="true"]{background:var(--xf-accent)}
.xf-sw[aria-checked="true"]::after{transform:translateX(20px)}
.xf-theme .is-sun{color:var(--xf-ink)}
.xf-theme .is-moon{opacity:.55}
[data-theme="dark"] .xf-theme .is-sun{color:var(--xf-slate);opacity:.55}
[data-theme="dark"] .xf-theme .is-moon{color:var(--xf-ink);opacity:1}
.xf a:focus-visible,.xf button:focus-visible{outline:2.5px solid var(--xf-accent);outline-offset:3px;border-radius:6px}
.xf-sw:focus-visible,.xf-social a:focus-visible,.xf-btn:focus-visible{border-radius:100px}

/* Bottom bar */
.xf-bottom{margin-top:48px;padding-top:22px;border-top:1px solid var(--xf-rule);display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:12px 24px;color:var(--xf-slate);font-size:13px}
.xf-legal{display:flex;flex-wrap:wrap;gap:6px 20px}
@media(hover:hover){.xf-legal a:hover{color:var(--xf-ink)}}
.xf-region{font-family:var(--mono,'IBM Plex Mono',monospace);font-size:11px;letter-spacing:.08em;text-transform:uppercase}

/* Responsive */
@media(max-width:1000px){
  .xf-grid{grid-template-columns:1fr 1fr;gap:40px 32px}
  .xf-brand{grid-column:1 / -1}
  .xf-h{max-width:none}
}
@media(max-width:560px){
  .xf-in{padding:44px 16px 24px}
  .xf-grid{grid-template-columns:1fr 1fr;gap:34px 20px}
  .xf-contact{grid-column:1 / -1}
  .xf-h{font-size:23px}
  .xf-btn{flex:1 1 auto;justify-content:center}
  .xf-bottom{flex-direction:column;align-items:flex-start;margin-top:36px}
  .xf-in{padding-bottom:88px}
}
@media(prefers-reduced-motion:reduce){.xf *{transition:none!important}}