.site-header{position:sticky;top:0;z-index:40;background-color:rgba(255,250,242,0.96);backdrop-filter:blur(16px);border-bottom:1px solid rgba(217,204,186,0.8)}.header-container{display:flex;align-items:center;justify-content:space-between;padding-block:var(--space-3)}.header-brand{display:flex;align-items:center;gap:var(--space-3);text-decoration:none}.header-brand-mark{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;border:1px solid var(--color-border-soft);background:rgba(255,255,255,0.9);font-family:var(--font-serif);font-weight:600;font-size:0.8rem;letter-spacing:0.16em;text-transform:uppercase;color:var(--color-primary)}.header-brand-text{display:flex;flex-direction:column;gap:2px}.header-brand-title{font-family:var(--font-serif);font-size:1.1rem;font-weight:600;letter-spacing:0.12em;text-transform:uppercase;color:var(--color-heading)}.header-brand-tagline{font-size:0.75rem;color:var(--color-text-muted)}.primary-nav{margin-left:auto;margin-right:var(--space-4)}.nav-list{display:flex;align-items:center;gap:var(--space-4);font-size:var(--font-size-sm);text-transform:uppercase;letter-spacing:0.12em}.nav-link{position:relative;padding-block:0.35rem;border-bottom:2px solid transparent;transition:border-color var(--transition-base),color var(--transition-base)}.nav-link:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px}.nav-link:hover{color:var(--color-primary);border-bottom-color:var(--color-primary)}.header-cta-btn{font-size:var(--font-size-xs);padding-inline:1.4rem;padding-block:0.55rem}.nav-toggle{display:none;align-items:center;justify-content:center;width:40px;height:40px;border-radius:999px;border:1px solid var(--color-border-soft);background:rgba(255,255,255,0.9);margin-left:auto}.nav-toggle-bar{width:18px;height:2px;border-radius:999px;background:var(--color-heading);transition:transform var(--transition-fast),opacity var(--transition-fast)}.nav-toggle[aria-expanded=true] .nav-toggle-bar:nth-child(1){transform:translateY(3px) rotate(45deg)}.nav-toggle[aria-expanded=true] .nav-toggle-bar:nth-child(2){transform:translateY(-3px) rotate(-45deg)}@media (max-width:960px){.primary-nav{position:fixed;inset:64px 0 auto 0;max-height:0;overflow:hidden;background:rgba(255,250,242,0.98);border-bottom:1px solid rgba(217,204,186,0.9);transition:max-height var(--transition-base);margin:0}.primary-nav.is-open{max-height:260px}.nav-list{flex-direction:column;align-items:flex-start;padding:var(--space-4) var(--space-5);gap:var(--space-3)}.nav-link{width:100%}.header-cta{display:none}.nav-toggle{display:flex}}@media (max-width:600px){.header-brand-tagline{display:none}}.nav-skip-link{position:absolute;left:50%;transform:translate(-50%,-200%);padding:0.5rem 1rem;background:var(--color-primary);color:#fff;border-radius:var(--radius-pill);z-index:50;transition:transform var(--transition-fast)}.nav-skip-link:focus{transform:translate(-50%,10px)}