.site-header{position:sticky;top:0;z-index:40;background:radial-gradient(circle at top left,#ffffff 0,#f3f4f9 42%,#e6e9f5 100%);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(15,23,42,0.04)}.header-inner{display:flex;align-items:center;justify-content:space-between;padding-top:var(--space-4);padding-bottom:var(--space-4);gap:var(--space-4)}.header-brand{display:flex;align-items:center;min-width:0}.brand-link{display:inline-flex;align-items:center;gap:var(--space-3)}.brand-mark{width:44px;height:44px;border-radius:24px;background:linear-gradient(145deg,#ffffff,#f3f4fb);box-shadow:0 18px 40px rgba(15,23,42,0.16);display:flex;align-items:center;justify-content:center}.brand-chip{width:26px;height:26px;border-radius:999px;background:radial-gradient(circle at 30% 20%,#ffffff,#f3f4f9);box-shadow:0 12px 26px rgba(15,23,42,0.18);border:2px solid rgba(255,122,89,0.45);position:relative}.brand-chip::after{content:"";position:absolute;inset:6px;border-radius:999px;border:2px dashed rgba(255,122,89,0.7)}.brand-text{display:flex;flex-direction:column;gap:2px}.brand-title{font-family:var(--font-serif);font-weight:600;letter-spacing:0.04em;font-size:1.05rem;text-transform:uppercase}.brand-tagline{font-family:var(--font-sans);font-size:var(--text-xs);letter-spacing:0.14em;text-transform:uppercase;color:var(--gray-500)}.primary-nav{display:flex;align-items:center;justify-content:flex-end}.nav-list{display:flex;align-items:center;gap:var(--space-5);font-size:var(--text-sm)}.nav-link{position:relative;padding:0.35rem 0;color:var(--gray-700);font-weight:500;letter-spacing:0.03em;text-transform:none}.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:999px;background:linear-gradient(90deg,rgba(255,122,89,0.1),var(--color-primary),rgba(255,122,89,0.1));transform:scaleX(0);transform-origin:center;transition:transform var(--transition-medium) ease}.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1)}.nav-link:hover,.nav-link:focus-visible{color:var(--color-text)}.nav-cta .btn-small{padding:0.6rem 1.3rem;font-size:var(--text-xs);box-shadow:0 14px 32px rgba(255,122,89,0.4)}.nav-toggle{display:none;margin-left:auto}.nav-toggle span{background:var(--color-text)}.nav-toggle:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px;box-shadow:0 0 0 1px rgba(255,122,89,0.35)}@media (max-width:960px){.primary-nav{position:fixed;inset:0 0 auto auto;top:68px;right:0;width:100%;max-width:320px;background:linear-gradient(160deg,#ffffff,#f3f4f9);box-shadow:var(--shadow-medium);border-radius:24px 0 0 24px;padding:var(--space-6) var(--space-5);transform:translateX(100%);opacity:0;visibility:hidden;transition:transform var(--transition-medium) ease,opacity var(--transition-medium) ease,visibility var(--transition-medium) ease}.primary-nav.is-open{transform:translateX(0);opacity:1;visibility:visible}.nav-list{flex-direction:column;align-items:flex-start;gap:var(--space-4)}.nav-item{width:100%}.nav-link{display:inline-flex;width:auto}.nav-cta{width:100%;margin-top:var(--space-2)}.nav-cta .btn-small{width:100%;justify-content:center}.nav-toggle{display:flex}}@media (max-width:640px){.brand-tagline{display:none}.brand-title{font-size:1rem}}