header{background:rgba(255,255,255,0.8);backdrop-filter:saturate(180%) blur(20px);position:sticky;top:0;z-index:100;border-bottom:1px solid var(--border-color)}nav{display:flex;align-items:center;justify-content:space-between;padding:1rem 0}.logo{font-size:1.5rem;font-weight:800;color:var(--text-primary);display:flex;align-items:center;gap:0.5rem;transition:var(--transition)}.logo:hover{opacity:0.8}.nav-links{display:none;align-items:center;gap:2rem}@media(min-width:768px){.nav-links{display:flex}}.nav-link{font-weight:500;color:var(--text-primary);transition:var(--transition);position:relative}.nav-link::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--primary);transition:width 0.3s}.nav-link:hover{color:var(--primary)}.nav-link:hover::after{width:100%}.nav-link.active{color:var(--primary)}.nav-cta{display:none}@media(min-width:768px){.nav-cta{display:flex;align-items:center;gap:1rem}}.mobile-menu-btn{display:flex;flex-direction:column;gap:4px;width:24px;cursor:pointer}@media(min-width:768px){.mobile-menu-btn{display:none}}.mobile-menu-btn span{width:100%;height:2px;background:var(--text-primary);transition:var(--transition);border-radius:2px}.mobile-menu-btn.active span:nth-child(1){transform:rotate(45deg) translate(6px,6px)}.mobile-menu-btn.active span:nth-child(2){opacity:0}.mobile-menu-btn.active span:nth-child(3){transform:rotate(-45deg) translate(6px,-6px)}.mobile-menu{position:fixed;top:73px;left:0;right:0;bottom:0;background:var(--bg-primary);padding:2rem;transform:translateX(-100%);transition:transform 0.3s;display:flex;flex-direction:column;gap:1.5rem}.mobile-menu.active{transform:translateX(0)}.mobile-menu .nav-link{font-size:1.25rem;padding:0.75rem 0;border-bottom:1px solid var(--border-color)}footer{background:var(--text-primary);color:var(--bg-primary);padding:4rem 0 2rem;margin-top:4rem}.footer-content{display:grid;grid-template-columns:1fr;gap:2rem;margin-bottom:2rem}@media(min-width:768px){.footer-content{grid-template-columns:repeat(4,1fr)}}.footer-section h4{font-size:1.125rem;margin-bottom:1rem;color:var(--bg-primary)}.footer-links{display:flex;flex-direction:column;gap:0.75rem}.footer-link{color:var(--text-tertiary);transition:var(--transition)}.footer-link:hover{color:var(--primary)}.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:2rem;display:flex;flex-direction:column;gap:1rem;align-items:center;text-align:center}@media(min-width:768px){.footer-bottom{flex-direction:row;justify-content:space-between;text-align:left}}.footer-bottom p{color:var(--text-tertiary);margin:0}.social-links{display:flex;gap:1rem}.social-link{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,0.1);border-radius:50%;color:var(--bg-primary);transition:var(--transition)}.social-link:hover{background:var(--primary);transform:translateY(-2px)}.breadcrumbs{display:flex;align-items:center;gap:0.5rem;margin-bottom:2rem;font-size:0.875rem;color:var(--text-secondary)}.breadcrumb-item{display:flex;align-items:center;gap:0.5rem}.breadcrumb-separator{opacity:0.5}.breadcrumb-item a{color:var(--text-secondary);transition:var(--transition)}.breadcrumb-item a:hover{color:var(--primary)}.breadcrumb-item.active{color:var(--text-primary);font-weight:600}.messages{position:fixed;top:90px;right:20px;z-index:1000;max-width:400px;width:100%}.message{background:var(--bg-primary);padding:1rem 1.25rem;border-radius:var(--radius-md);box-shadow:var(--shadow-lg);margin-bottom:1rem;display:flex;align-items:center;gap:1rem;animation:slideIn 0.3s ease-out}@keyframes slideIn{from{transform:translateX(400px);opacity:0}to{transform:translateX(0);opacity:1}}.message-success{border-left:4px solid var(--success)}.message-error{border-left:4px solid var(--danger)}.message-info{border-left:4px solid var(--info)}.message-warning{border-left:4px solid var(--warning)}.message-icon{font-size:1.5rem}.message-close{margin-left:auto;cursor:pointer;opacity:0.6;transition:opacity 0.3s}.message-close:hover{opacity:1}.hero{padding:6rem 0;text-align:center;background:linear-gradient(180deg,var(--bg-secondary) 0%,var(--bg-primary) 100%)}@media(min-width:768px){.hero{padding:8rem 0}}.hero-title{font-size:clamp(2.5rem,6vw,4rem);margin-bottom:1.5rem;background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-description{font-size:1.25rem;color:var(--text-secondary);max-width:700px;margin:0 auto 2rem}.hero-cta{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.cta-block{background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);color:#fff;padding:3rem;border-radius:var(--radius-lg);text-align:center;margin:3rem 0}.cta-block h2,.cta-block h3{color:#fff}.cta-block p{color:rgba(255,255,255,0.9);font-size:1.125rem}.cta-block .btn{margin-top:1.5rem}