.header{background:#fffffffa;box-shadow:0 2px 10px #0000001a;position:sticky;top:0;z-index:1000}.header-container{display:flex;justify-content:space-between;align-items:center;padding:1rem 0}.logo{display:flex;align-items:center}.logo img{height:50px;width:auto;transition:var(--transition)}.logo:hover img{opacity:.8}.nav ul{display:flex;gap:2rem}.nav a{font-family:var(--font-body);font-weight:400;text-transform:uppercase;font-size:.9rem;letter-spacing:1px;color:var(--color-text);position:relative}.nav a:hover,.nav a.active{color:var(--color-secondary)}.nav a:after{content:"";position:absolute;width:0;height:2px;bottom:-4px;left:0;background-color:var(--color-secondary);transition:width .3s ease}.nav a:hover:after,.nav a.active:after{width:100%}.menu-toggle{display:none;background:none;border:none;cursor:pointer;color:var(--color-primary)}@media(max-width:768px){.menu-toggle{display:block}.nav{position:absolute;top:100%;left:0;width:100%;background-color:var(--color-white);padding:2rem;box-shadow:0 4px 6px #0000001a;transform:translateY(-150%);transition:transform .3s ease;z-index:999}.nav.open{transform:translateY(0)}.nav ul{flex-direction:column;align-items:center;gap:1.5rem}}.footer{background-color:var(--color-primary);color:var(--color-white);padding:4rem 0 2rem;margin-top:auto}.footer-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-bottom:3rem}.footer-section h3{color:var(--color-secondary);font-size:1.5rem;margin-bottom:1rem}.footer-section h4{color:var(--color-white);font-size:1.1rem;margin-bottom:1rem;font-family:var(--font-body);text-transform:uppercase;letter-spacing:1px}.footer-section p{color:#bdc3c7;margin-bottom:.5rem}.social-links{display:flex;gap:1rem}.social-links a{color:#bdc3c7}.social-links a:hover{color:var(--color-secondary)}.footer-bottom{text-align:center;padding-top:2rem;border-top:1px solid rgba(255,255,255,.1);color:#7f8c8d;font-size:.9rem}