.bt-header{position:sticky;top:0;z-index:40;background:rgba(255,253,245,0.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(250,204,21,0.45)}.bt-header-inner{max-width:1160px;margin:0 auto;padding:0.6rem 1.25rem;display:flex;align-items:center;justify-content:space-between;gap:1.25rem}.bt-header-brand{display:flex;flex-direction:column;gap:0.15rem;min-width:0}.bt-header-logo-link{display:inline-flex;align-items:center;gap:0.55rem;white-space:nowrap;font-weight:800}.bt-header-logo-mark{width:34px;height:34px;border-radius:14px;background:radial-gradient(circle at 30% 0,#fef9c3 0,#facc15 40%,#eab308 70%);display:flex;align-items:center;justify-content:center;box-shadow:0 12px 26px rgba(234,179,8,0.6)}.bt-header-logo-b{font-family:"Bingotanya Display",system-ui,sans-serif;font-weight:700;color:#1c1917;font-size:1.1rem}.bt-header-logo-text{font-family:"Bingotanya Display",system-ui,sans-serif;font-size:1.25rem;letter-spacing:0.01em;color:#1c1917}.bt-header-tagline{font-size:0.75rem;color:#78716c;max-width:18rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bt-nav{flex:1 1 auto;display:flex;justify-content:flex-end}.bt-nav-list{display:flex;align-items:center;gap:1.5rem;font-size:0.875rem;font-weight:600;color:#57534e}.bt-nav-item{list-style:none}.bt-nav-link{position:relative;padding:0.2rem 0;transition:color 200ms ease}.bt-nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-0.1rem;height:2px;border-radius:999px;background:linear-gradient(90deg,#eab308,#16a34a);transform-origin:left;transform:scaleX(0);transition:transform 220ms ease-out}.bt-nav-link:focus-visible::after,.bt-nav-link:hover::after{transform:scaleX(1)}.bt-nav-link:hover{color:#1c1917}.bt-nav-cta-item{margin-left:0.5rem}.bt-btn{display:inline-flex;align-items:center;justify-content:center;gap:0.4rem;padding:0.55rem 1.25rem;border-radius:999px;border:1px solid transparent;font-size:0.75rem;letter-spacing:0.08em;text-transform:uppercase;font-weight:700;cursor:pointer;transition:background-color 220ms ease,box-shadow 220ms ease,transform 150ms ease,color 220ms ease}.bt-btn-primary{background:linear-gradient(135deg,#eab308,#facc15);color:#1c1917;border-color:#facc15;box-shadow:0 12px 30px rgba(234,179,8,0.55)}.bt-btn-primary:hover{background:linear-gradient(135deg,#facc15,#eab308);transform:translateY(-1px);box-shadow:0 16px 40px rgba(202,138,4,0.6)}.bt-btn-primary:active{transform:translateY(0);box-shadow:0 10px 26px rgba(202,138,4,0.5)}.bt-btn-icon{display:inline-flex;align-items:center;justify-content:center}.bt-nav-toggle{display:none;align-items:center;justify-content:center;width:2.4rem;height:2.4rem;border-radius:999px;border:1px solid rgba(250,204,21,0.85);background:#fffbeb;gap:0.23rem;padding:0.35rem;flex-direction:column}.bt-nav-toggle-bar{width:1.2rem;height:2px;border-radius:999px;background:#78350f;transition:transform 180ms ease,opacity 160ms ease,translate 180ms ease}.bt-nav-toggle:focus-visible{outline:3px solid #eab308;outline-offset:3px}.bt-header--menu-open .bt-nav-toggle-bar:nth-child(1){transform:rotate(42deg) translate(3px,5px)}.bt-header--menu-open .bt-nav-toggle-bar:nth-child(2){opacity:0}.bt-header--menu-open .bt-nav-toggle-bar:nth-child(3){transform:rotate(-42deg) translate(3px,-5px)}@media (max-width:899.98px){.bt-header-inner{padding-inline:1rem}.bt-header-tagline{display:none}.bt-nav{position:absolute;inset:3.4rem 0 auto 0;pointer-events:none}.bt-nav-list{position:relative;margin:0.5rem auto 0;max-width:1160px;padding:0.9rem 1rem 1rem;flex-direction:column;align-items:flex-start;gap:0.4rem;border-radius:18px;border:1px solid rgba(250,204,21,0.7);background:#fffdf5;box-shadow:0 18px 40px rgba(0,0,0,0.06);transform-origin:top;transform:scaleY(0.9);opacity:0;visibility:hidden;transition:opacity 180ms ease,transform 180ms ease,visibility 180ms ease}.bt-header--menu-open .bt-nav-list{opacity:1;visibility:visible;transform:scaleY(1);pointer-events:auto}.bt-nav-item{width:100%}.bt-nav-link{display:block;width:100%;padding:0.5rem 0.25rem}.bt-nav-link::after{display:none}.bt-nav-cta-item{width:100%;margin-left:0;margin-top:0.4rem}.bt-nav-cta-item .bt-btn{width:100%;justify-content:center}.bt-nav-toggle{display:flex}}@media (max-width:480px){.bt-header-logo-text{font-size:1.1rem}}.skip-link{position:absolute;left:50%;transform:translateX(-50%);top:-3.5rem;background:#1c1917;color:#fef9c3;padding:0.55rem 1rem;border-radius:999px;font-size:0.9rem;z-index:50;transition:top 200ms ease}.skip-link:focus{top:0.75rem;outline:3px solid #facc15;outline-offset:3px}