.site-header{position:sticky;top:0;z-index:40;background-color:rgba(252,251,247,.96);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,232,237,.9)}.nav-inner{height:var(--nav-height-desktop);display:flex;align-items:center;justify-content:space-between;gap:var(--space-6)}.nav-brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-serif);font-size:var(--font-size-lg);letter-spacing:.08em;text-transform:uppercase;color:var(--color-text-main)}.nav-mark{width:22px;height:22px;border-radius:8px;background:conic-gradient(from 140deg,#DCE8ED,#F2CDB9,#E7DDF0,#D9E3D5);border:1px solid rgba(32,42,49,.06);box-shadow:0 8px 20px rgba(0,0,0,.12)}.nav-primary{display:flex;align-items:center}.nav-menu{display:flex;align-items:center;gap:var(--space-5);font-size:var(--font-size-sm)}.nav-item-cta{margin-left:var(--space-2)}.nav-link{position:relative;display:inline-flex;align-items:center;padding-block:6px;color:var(--gray-700);letter-spacing:.08em;text-transform:uppercase}.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,var(--color-accent-teal),var(--color-accent-terracotta));transform:scaleX(0);transform-origin:left;transition:transform var(--transition-base)}.nav-link:hover{color:var(--color-text-main)}.nav-link:hover::after{transform:scaleX(1)}.nav-link-active{color:var(--color-text-main)}.nav-link-active::after{transform:scaleX(1)}.nav-toggle{display:none;align-items:center;justify-content:center;border-radius:999px;border:1px solid var(--color-border-soft);background-color:rgba(252,251,247,.96);box-shadow:0 6px 16px rgba(0,0,0,.08);padding:8px;transition:background-color var(--transition-base),box-shadow var(--transition-base),transform var(--transition-fast)}.nav-toggle-bar{width:18px;height:1.5px;border-radius:999px;background-color:var(--color-text-main)}.nav-toggle:focus-visible{outline:2px solid var(--color-accent-terracotta);outline-offset:4px}.nav-toggle.is-active{background-color:rgba(220,232,237,.9);transform:translateY(1px)}.nav-toggle.is-active .nav-toggle-bar:first-child{transform:translateY(3px) rotate(45deg)}.nav-toggle.is-active .nav-toggle-bar:last-child{transform:translateY(-3px) rotate(-45deg)}.nav-cta-btn{font-family:var(--font-sans)}@media (max-width:768px){.nav-inner{height:var(--nav-height-mobile);gap:var(--space-3)}.nav-toggle{display:inline-flex}.nav-primary{position:absolute;inset-inline:0;top:var(--nav-height-mobile);background-color:rgba(252,251,247,.98);border-bottom:1px solid rgba(220,232,237,.9);box-shadow:0 20px 40px rgba(0,0,0,.08);transform-origin:top;transform:scaleY(0);opacity:0;pointer-events:none;transition:transform var(--transition-base),opacity var(--transition-base)}.nav-primary.is-open{transform:scaleY(1);opacity:1;pointer-events:auto}.nav-menu{flex-direction:column;align-items:flex-start;padding:var(--space-4) clamp(var(--space-4),4vw,var(--space-6));gap:var(--space-3)}.nav-item-cta{width:100%;margin-left:0;margin-top:var(--space-1)}.nav-cta-btn{width:100%;justify-content:center}.nav-link{width:100%}}@media (max-width:480px){.nav-brand{font-size:var(--font-size-md)}.nav-inner{padding-inline:var(--space-4)}}