.site-header{position:sticky;top:0;z-index:20;background:rgba(234,246,255,.78);backdrop-filter:blur(16px);border-bottom:1px solid rgba(26,64,113,.09)}.header-inner{min-height:4.75rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}.brand{display:flex;align-items:center;gap:.55rem;font-weight:900;font-size:1.12rem;letter-spacing:-.04em;color:var(--navy);white-space:nowrap}.brand-mark{width:1.8rem;height:2rem;border-radius:50% 50% 48% 48%;background:linear-gradient(145deg,var(--coral),var(--sun));position:relative;box-shadow:inset -5px -7px 8px rgba(185,64,60,.18)}.brand-mark:after{content:"";position:absolute;bottom:-.3rem;left:50%;height:.35rem;border-left:1px solid var(--navy)}.nav-toggle{width:3rem;height:3rem;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;background:#fff;color:var(--navy);cursor:pointer}.nav-toggle span,.nav-toggle:before,.nav-toggle:after{content:"";display:block;width:1.1rem;height:2px;background:currentColor;border-radius:2px;transition:transform .2s}.nav-toggle:before{transform:translateY(-4px)}.nav-toggle:after{transform:translateY(4px)}.nav-toggle[aria-expanded="true"] span{opacity:0}.nav-toggle[aria-expanded="true"]:before{transform:translateY(2px) rotate(45deg)}.nav-toggle[aria-expanded="true"]:after{transform:translateY(-2px) rotate(-45deg)}.primary-nav{display:none}.nav-cta{display:none}@media (max-width:899px){.header-inner{gap:.5rem}.nav-cta{display:inline-flex;min-height:2.65rem;padding:.55rem .85rem;font-size:.88rem;white-space:nowrap}.primary-nav.is-open{position:absolute;display:flex;flex-direction:column;align-items:stretch;gap:.15rem;top:calc(100% + .5rem);left:1rem;right:1rem;padding:.65rem;background:rgba(255,255,255,.97);border:1px solid var(--line);border-radius:1.25rem;box-shadow:var(--shadow)}.primary-nav a{padding:.8rem 1rem;border-radius:.75rem;font-weight:700}.primary-nav a:hover{background:var(--sky)}}@media (max-width:380px){.brand{gap:.4rem;font-size:1rem}.brand-mark{width:1.55rem;height:1.75rem}.nav-cta{min-height:2.5rem;padding:.5rem .7rem;font-size:.82rem}.nav-toggle{width:2.75rem;height:2.75rem}}@media (min-width:900px){.nav-toggle{display:none}.primary-nav{display:flex;align-items:center;gap:.2rem}.primary-nav a{padding:.5rem .58rem;border-radius:.6rem;color:#425579;font-size:.88rem;font-weight:700;white-space:nowrap}.primary-nav a:hover{color:var(--navy);background:#fff}.nav-cta{display:inline-flex;min-height:2.65rem;padding:.55rem 1rem;font-size:.9rem}}