:root{--bbd-bg:#ffffff;--bbd-surface:#ffffff;--bbd-overlay:rgba(0,0,0,.5);--bbd-text:#111827;--bbd-accent:#10b981;--bbd-white:#ffffff}
.bbd-header{position:sticky!important;top:0;z-index:1000;background:#fff;border-bottom:1px solid #e5e7eb}
.bbd-header .bbd-inner{display:flex;align-items:center;justify-content:space-between;gap:.75rem;max-width:1200px;margin:0 auto;padding:.75rem 1rem}
.bbd-logo{display:flex;align-items:center;gap:.5rem;text-decoration:none;color:#111827;font-weight:600;min-width:0}
.bbd-logo img{width:28px;height:28px}
.bbd-logo span{white-space:nowrap;font-size:1rem}

#menu-toggle{appearance:none;background:#fff;border:1px solid #e5e7eb;border-radius:.5rem;display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;padding:0}
#menu-toggle .bbd-burger{position:relative;display:block;width:20px;height:2px;background:#111827}
#menu-toggle .bbd-burger::before,#menu-toggle .bbd-burger::after{content:"";position:absolute;left:0;width:20px;height:2px;background:#111827}
#menu-toggle .bbd-burger::before{top:-6px}#menu-toggle .bbd-burger::after{top:6px}
#site-nav{position:fixed;top:0;right:0;height:100dvh;width:min(88vw,340px);transform:translateX(100%);transition:transform .25s ease;display:flex;flex-direction:column;gap:.25rem;padding:1rem;background:var(--bbd-surface);color:var(--bbd-text);box-shadow:-8px 0 24px rgba(0,0,0,.12);border-left:1px solid #e5e7eb;z-index:1001}
#site-nav.open{transform:translateX(0)}
#site-nav a{display:block;color:var(--bbd-text);text-decoration:none;padding:.875rem 1rem;border-radius:.5rem;font-size:1.05rem}
#site-nav a:hover{background:rgba(255,255,255,.06)}
#site-nav .bbd-cta{background:var(--bbd-accent);color:var(--bbd-white);text-align:center}
#nav-overlay{position:fixed;inset:0;background:var(--bbd-overlay);opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:1000}
#nav-overlay.active{opacity:1;pointer-events:auto}
body.nav-open{overflow:hidden}
@media(min-width:992px){#menu-toggle{display:none}#site-nav{position:static;transform:none;height:auto;width:auto;flex-direction:row;background:transparent;box-shadow:none;color:#111827;padding:0}#site-nav a{color:#111827;padding:.5rem .75rem}#nav-overlay{display:none}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}