.main-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(244,243,239,.8);backdrop-filter:blur(10px);border-bottom:1px solid rgba(0,0,0,.05)}.main-header .container{display:flex;justify-content:space-between;align-items:center;width:100%;max-width:none;margin:0;padding:20px 24px}.logo{display:inline-flex;align-items:center;gap:12px;text-decoration:none;margin-right:auto}.logo .brand-name{font-weight:700;font-size:1.05rem;color:var(--color-primary);letter-spacing:1px}.logo .logo-mark{width:40px;height:40px;display:inline-block;flex:0 0 40px;border-radius:6px;background:var(--color-accent);-webkit-mask:url('../imgs/logo.svg') center/contain no-repeat;mask:url('../imgs/logo.svg') center/contain no-repeat}.main-nav{display:flex;align-items:center;gap:15px}.main-nav ul{list-style:none;display:flex;gap:15px}.main-nav a{text-decoration:none;color:var(--color-primary);font-weight:500;padding:10px 20px;border-radius:4px;transition:var(--transition-smooth)}.main-nav a:hover{background:rgba(0,0,0,.05)}.main-nav a.nav-cta{align-items:center;gap:8px;padding:15px 35px;background:var(--color-accent);color:var(--color-text-light);border-radius:50px;box-shadow:0 6px 18px rgba(26,46,57,.12);font-weight:600;text-decoration:none;transition:color 180ms,transform 180ms,filter 180ms;font-size:16px;line-height:1}@media (max-width:880px){.main-nav{display:none}.menu-toggle{display:inline-flex;flex-direction:column;gap:6px;width:44px;height:36px;align-items:center;justify-content:center;background:0 0;border:0;cursor:pointer}.menu-toggle .bar{display:block;width:26px;height:2px;background:var(--color-primary);border-radius:2px;transition:transform .2s,opacity .2s}.menu-toggle[aria-expanded=true] .bar:first-child{transform:translateY(6px) rotate(45deg)}.menu-toggle[aria-expanded=true] .bar:nth-child(2){opacity:0}.menu-toggle[aria-expanded=true] .bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}.mobile-nav-overlay{position:fixed;inset:0;background:rgba(244,243,239,.98);display:none;z-index:1100;padding:80px 24px 24px}.mobile-nav-overlay.active{display:block}.mobile-nav-overlay nav{display:flex;flex-direction:column;gap:18px;max-width:420px;margin:0 auto;align-items:flex-start}.mobile-nav-overlay a{display:block;padding:14px 18px;width:100%;color:var(--color-primary);background:0 0;border-radius:8px}.mobile-nav-overlay a.nav-cta{background:var(--color-accent);color:var(--color-text-light);border-radius:999px;padding:12px 20px;box-shadow:0 8px 24px rgba(26,46,57,.12)}}