header{background:linear-gradient(135deg,var(--primary),var(--primary-dark));padding:.8rem 0;box-shadow:0 2px 10px rgba(0,0,0,.1);position:sticky;top:0;z-index:1000}.header-container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap}.container{width:100%;max-width:1400px;margin:0 auto;padding:0 20px}.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}.logo-img{height:40px;width:fit-content}.menu-toggle{display:none;background:transparent;border:none;color:white;font-size:1.5rem;cursor:pointer;padding:.5rem;transition:var(--transition);border-radius:4px;outline:none}.menu-toggle:hover{background:rgba(255,255,255,.1)}.menu-toggle:focus{background:rgba(255,255,255,.15);box-shadow:0 0 0 2px rgba(255,255,255,.3)}nav{justify-content:center}nav,nav ul{display:flex;align-items:center}nav ul{list-style:none;gap:1.8rem;margin:0;padding:0}.dropdown{position:relative}.dropdown-menu{position:absolute;top:100%;left:0;background:var(--primary);border-radius:var(--border-radius);box-shadow:var(--card-shadow);min-width:200px;opacity:0;visibility:hidden;transform:translateY(-10px);transition:var(--transition);z-index:1001;padding:.5rem 0;margin-top:.5rem}.dropdown.active .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}.dropdown-menu li{list-style:none}.dropdown-menu a{display:block;padding:.75rem 1.5rem;color:white;text-decoration:none;transition:var(--transition)}.dropdown-menu a:hover{background:var(--primary-dark);color:white}nav a{color:rgba(255,255,255,.9);text-decoration:none;font-weight:500;padding:.5rem 0;position:relative;transition:var(--transition);font-size:1.05rem;display:flex;align-items:center;gap:6px;white-space:nowrap}nav a:hover{color:white}nav a:hover:after{width:100%}nav a:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:white}.search-bar,nav a:after{transition:var(--transition)}.search-bar{display:flex;align-items:center;background:rgba(255,255,255,.15);border-radius:50px;padding:.5rem 1.2rem;width:280px;flex-shrink:0}.search-bar:hover{background:rgba(255,255,255,.2)}.search-bar:focus-within{background:rgba(255,255,255,.25);box-shadow:0 0 0 2px rgba(255,255,255,.3)}.search-bar input{background:transparent;border:none;color:white;width:100%;padding:.3rem;outline:none;font-size:1rem;max-height:27px}.search-bar input::placeholder{color:rgba(255,255,255,.7)}.search-bar i{color:rgba(255,255,255,.7);margin-right:.5rem}.share-button{display:flex;align-items:center;margin:0 1rem 0 1px}.share-button button{background:rgba(255,255,255,.15);border:none;color:white;width:36px;height:35px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition)}.share-button button:hover{background:rgba(255,255,255,.25);transform:scale(1.05)}.share-button button:focus{background:rgba(255,255,255,.25);box-shadow:0 0 0 2px rgba(255,255,255,.3);outline:none}@media (max-width:1200px){.header-container{padding:0 15px}.search-bar{width:240px}nav ul{gap:1.5rem}}@media (max-width:992px){.header-container{padding:0 15px}.search-bar{width:200px}nav ul{gap:1.2rem}nav a{font-size:1rem}}@media (max-width:768px){header{padding:.6rem 0}.header-container{padding:0 15px;gap:.5rem}.menu-toggle{display:block;order:3}.logo{order:1}.share-button{order:2}.search-bar{order:4;width:100%;margin-top:1rem;max-width:none;border-radius:25px}.search-bar:focus-within{background:rgba(255,255,255,.25);box-shadow:0 0 0 2px rgba(255,255,255,.3)}nav{order:5;width:100%;max-height:0;overflow:hidden;transition:max-height .3s ease;background:var(--primary-dark);border-radius:8px;margin-top:1rem}nav.active{max-height:500px;padding:1rem}nav ul{flex-direction:column;gap:0;width:100%}nav li{width:100%;border-bottom:1px solid rgba(255,255,255,.1)}nav li:last-child{border-bottom:none}nav a{padding:1rem 0;width:100%;justify-content:flex-start;font-size:1.1rem;min-height:44px;display:flex;align-items:center}nav a:after{display:none}.menu-toggle,.share-button button{min-width:44px;min-height:44px}.dropdown-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:rgba(255,255,255,.1);padding:0;display:none;border-radius:8px;margin:.5rem 0;min-width:auto}.dropdown.active .dropdown-menu{display:block}.dropdown-menu a{padding:.75rem 1rem;color:white;border-left:3px solid transparent;font-size:1rem}.dropdown-menu a:hover{background:rgba(255,255,255,.15);color:white;border-left-color:white;border-radius:6px}.dropdown>a{position:relative}.dropdown>a:before{content:"\f078";font-family:Font Awesome\ 5 Free;font-weight:900;position:absolute;right:0;transition:transform .3s ease}.dropdown.active>a:before{transform:rotate(180deg)}}@media (min-width:769px){.mobile-menu{display:none}}@media (max-width:768px){.desktop-menu{display:none}}@media (max-width:576px){.header-container{padding:0 10px}.logo-img{height:35px}.search-bar{padding:.4rem 1rem}.search-bar input{font-size:.9rem}nav.active{padding:.8rem}nav a{font-size:1rem;padding:.8rem 0}.dropdown-menu a{padding:.6rem .8rem;font-size:.95rem}.share-button button{width:35px;height:35px}.menu-toggle{font-size:1.3rem;padding:.4rem}}@media (max-width:480px){.header-container{padding:0 8px}.logo-img{height:30px}.search-bar{padding:.3rem .8rem}.search-bar input{font-size:.85rem}nav a{font-size:.95rem}.dropdown-menu a{font-size:.9rem}}