.header{position:fixed;top:0;left:0;width:100%;z-index:1000;padding:20px 0;background-color:rgba(255,255,255,.98);backdrop-filter:blur(10px);box-shadow:0 2px 20px rgba(0,0,0,.08);transition:var(--transition)}.header.scrolled{padding:12px 0;box-shadow:0 4px 30px rgba(0,0,0,.12)}.header-container{display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:12px;text-decoration:none}.logo-icon{width:42px;height:42px;filter:brightness(0) saturate(100%) invert(36%) sepia(96%) saturate(2907%) hue-rotate(348deg) brightness(101%) contrast(105%)}.logo-text{font-family:var(--font-display);font-size:2rem;font-weight:900;color:var(--color-dark);letter-spacing:-1px}.logo-accent{color:var(--color-primary)}.nav-menu{display:flex;list-style:none;gap:40px;align-items:center}.nav-link{font-family:var(--font-body);font-size:15px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--color-gray-dark);position:relative}.nav-link::after{content:'';position:absolute;bottom:-5px;left:50%;transform:translateX(-50%);width:0;height:3px;background:linear-gradient(90deg,var(--color-primary),var(--color-secondary));transition:width .3s}.nav-link.active,.nav-link:hover{color:var(--color-primary)}.nav-link.active::after,.nav-link:hover::after{width:100%}.nav-cta{padding:12px 30px;background:linear-gradient(135deg,var(--color-primary),var(--color-accent));color:var(--color-white);border-radius:50px;font-weight:700}.nav-cta::after{display:none}.nav-cta:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm);color:var(--color-white)}.menu-toggle{display:none;flex-direction:column;cursor:pointer;gap:5px}.menu-toggle span{width:28px;height:3px;background:linear-gradient(90deg,var(--color-primary),var(--color-accent));transition:var(--transition);border-radius:2px}.menu-toggle.active span:first-child{transform:rotate(45deg) translateY(8px)}.menu-toggle.active span:nth-child(2){opacity:0}.menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translateY(-8px)}