/* Floating "Follow us" panel - left side, site theme */
.sfl{position:fixed;left:0;top:50%;transform:translateY(-50%);z-index:997;display:flex;flex-direction:column;align-items:center;gap:8px;
  padding:12px 8px;background:#ffffff;border:1px solid #d6ead6;border-left:0;border-radius:0 14px 14px 0;
  box-shadow:0 6px 22px rgba(26,122,26,.18)}
.sfl-label{writing-mode:vertical-rl;transform:rotate(180deg);font-size:10.5px;font-weight:800;letter-spacing:2px;color:#1a7a1a;
  padding:6px 0 10px;position:relative}
.sfl-label::after{content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);width:2px;height:16px;background:#ffd700;border-radius:2px}
.sfl-btn{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:#e8f5e8;color:#1a7a1a;transition:background .2s,color .2s,transform .2s;text-decoration:none}
.sfl-btn svg{fill:currentColor}
.sfl-btn:hover,.sfl-btn:focus-visible{background:#1a7a1a;color:#ffd700;transform:translateX(3px)}
/* only on screens with free space beside the centred site (no page shift) */
@media (max-width:1499px){.sfl{display:none}}