.bc-header{position:sticky;top:0;z-index:40;background:radial-gradient(circle at top left,#f5f2eb,#faf8f5);backdrop-filter:blur(18px);border-bottom:1px solid rgba(231,229,228,0.9)}.bc-header__inner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:1rem 0}.bc-header__brand{display:flex;align-items:center;gap:0.75rem}.bc-header__brand-mark{width:34px;height:34px;border-radius:999px;border:1px solid rgba(202,138,4,0.45);background:radial-gradient(circle at 30% 0,#fefce8,#f5f2eb);display:flex;align-items:center;justify-content:center;font-size:0.9rem;font-family:var(--font-display);color:var(--color-primary-strong);box-shadow:0 10px 26px rgba(202,138,4,0.22)}.bc-header__brand-text{display:flex;flex-direction:column}.bc-header__brand-name{font-family:var(--font-display);font-size:1.05rem;letter-spacing:0.14em;text-transform:uppercase;color:var(--color-text)}.bc-header__brand-tagline{font-size:0.7rem;letter-spacing:0.16em;text-transform:uppercase;color:var(--gray-500)}.bc-header__nav{display:flex;align-items:center;justify-content:flex-end}.bc-header__nav-list{display:flex;align-items:center;gap:1.75rem;font-size:0.78rem;text-transform:uppercase;letter-spacing:0.16em}.bc-header__nav-link{position:relative;padding-bottom:0.1rem;color:var(--gray-600);transition:color var(--transition-base)}.bc-header__nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:linear-gradient(to right,rgba(153,27,27,0.2),rgba(202,138,4,0.9));transition:width var(--transition-base)}.bc-header__nav-link:focus-visible{outline:2px solid var(--color-primary);outline-offset:4px;border-radius:2px}.bc-header__nav-link:hover{color:var(--color-text)}.bc-header__nav-link:hover::after{width:100%}.bc-header__nav-item--highlight .bc-header__nav-link{padding:0.45rem 1.2rem;border-radius:999px;border:1px solid rgba(202,138,4,0.7);background-color:rgba(202,138,4,0.1);color:var(--color-primary-strong);box-shadow:0 8px 22px rgba(202,138,4,0.22)}.bc-header__nav-item--highlight .bc-header__nav-link::after{display:none}.bc-header__nav-item--highlight .bc-header__nav-link:hover{background-color:var(--color-primary);color:#fefce8;border-color:var(--color-primary)}.bc-header__toggle{display:none;flex-direction:column;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;gap:5px;border-radius:999px;border:1px solid var(--gray-200);background-color:rgba(255,255,255,0.92);box-shadow:var(--shadow-subtle)}.bc-header__toggle span{display:block;width:16px;height:1.5px;border-radius:999px;background-color:var(--gray-700)}@media (max-width:900px){.bc-header__inner{padding:1rem 1.25rem}.bc-header__toggle{display:flex}.bc-header__nav{position:fixed;inset:0 0 auto 0;top:64px;background:rgba(250,248,245,0.97);backdrop-filter:blur(16px);border-bottom:1px solid rgba(231,229,228,0.95);transform:translateY(-120%);opacity:0;pointer-events:none;transition:transform var(--transition-base),opacity var(--transition-base)}.bc-header__nav{justify-content:flex-start}.bc-header__nav-list{flex-direction:column;align-items:flex-start;text-align:left;padding:1.25rem 1.25rem 1.75rem;gap:1rem}.bc-header__nav-item--highlight .bc-header__nav-link{width:auto;justify-content:flex-start;text-align:left}.bc-header__nav-link{font-size:0.8rem}.bc-header__nav--open{transform:translateY(0);opacity:1;pointer-events:auto}}.bc-header__toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg);transition:transform var(--transition-fast)}.bc-header__toggle[aria-expanded="true"] span:nth-child(2){opacity:0;transition:opacity var(--transition-fast)}.bc-header__toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);transition:transform var(--transition-fast)}.bc-header__toggle span{transition:transform var(--transition-fast),opacity var(--transition-fast)}