.site-header{position:sticky;top:0;z-index:30;background:rgba(253,253,252,0.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--color-border-subtle)}.site-header-inner{display:flex;align-items:center;justify-content:space-between;padding-top:var(--space-3);padding-bottom:var(--space-3);gap:var(--space-4)}.site-branding{display:flex;align-items:center}.site-logo{display:inline-flex;align-items:center;gap:var(--space-2);border-radius:var(--radius-pill);padding:0.25rem 0.75rem;transition:background-color var(--transition-base),transform var(--transition-fast);background-color:rgba(247,243,238,0.9)}.site-logo:hover{background-color:var(--color-surface);transform:translateY(-1px)}.site-logo-mark{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:999px;background:linear-gradient(135deg,#b7cbc7,#e7f0ff);color:var(--gray-900);font-family:var(--font-serif);font-weight:500;font-size:1rem;box-shadow:var(--shadow-xs)}.site-title-text{font-family:var(--font-serif);font-size:1.1rem;letter-spacing:0.08em;text-transform:uppercase;color:var(--gray-900)}.primary-nav{display:flex;align-items:center}.primary-nav-list{display:flex;align-items:center;gap:var(--space-4);list-style:none;margin:0;padding:0}.primary-nav-link{position:relative;font-size:var(--font-size-sm);color:var(--gray-700);padding:0.25rem 0;letter-spacing:0.06em;text-transform:uppercase}.primary-nav-link::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:2px;border-radius:999px;background:linear-gradient(90deg,var(--color-primary),var(--color-accent-lavender));transition:width var(--transition-base)}.primary-nav-link:hover::after,.primary-nav-link:focus-visible::after{width:100%}.primary-nav-cta{margin-left:var(--space-2)}.btn-nav-cta{font-size:var(--font-size-xs);padding-inline:1.4rem;padding-block:0.55rem}.nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;align-items:center;width:40px;height:40px;border-radius:999px;border:1px solid var(--color-border-subtle);background-color:#ffffff;cursor:pointer;gap:4px;transition:background-color var(--transition-base),transform var(--transition-fast),box-shadow var(--transition-base)}.nav-toggle-bar{width:18px;height:2px;border-radius:999px;background-color:var(--gray-800);transition:transform var(--transition-base),opacity var(--transition-base),width var(--transition-base)}.nav-toggle:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px}.nav-toggle:hover{background-color:var(--gray-50);box-shadow:var(--shadow-sm)}.nav-toggle.is-active .nav-toggle-bar:nth-child(1){transform:translateY(4px) rotate(45deg);width:20px}.nav-toggle.is-active .nav-toggle-bar:nth-child(2){opacity:0}.nav-toggle.is-active .nav-toggle-bar:nth-child(3){transform:translateY(-4px) rotate(-45deg);width:20px}.nav-toggle{display:none}@media (max-width:767.98px){.nav-toggle{display:inline-flex}.primary-nav{position:fixed;inset:0 0 auto auto;top:56px;right:0;width:100%;max-width:320px;background:rgba(253,253,252,0.98);border-left:1px solid var(--color-border-subtle);box-shadow:var(--shadow-soft-elevated);transform:translateX(100%);opacity:0;visibility:hidden;transition:transform var(--transition-base),opacity var(--transition-base),visibility var(--transition-base)}.primary-nav-list{flex-direction:column;align-items:flex-start;padding:var(--space-6);gap:var(--space-3)}.primary-nav-link{font-size:var(--font-size-md)}.primary-nav-cta{margin-left:0;width:100%}.primary-nav-cta .btn-nav-cta{width:100%;justify-content:center}.primary-nav.is-open{transform:translateX(0);opacity:1;visibility:visible}.site-header.menu-open{box-shadow:var(--shadow-md)}body.nav-open{overflow:hidden}}@media (min-width:768px){.nav-toggle{display:none}.primary-nav{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border-left:none;width:auto;max-width:none}.primary-nav-list{flex-direction:row;padding:0}.btn-nav-cta{padding-block:0.6rem}}