*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family);background-color:#fff;color:var(--book-gray)}.site-header{position:sticky;top:0;z-index:var(--nav-z-index);background-color:#fff}.navbar{background-color:#fff;box-shadow:var(--nav-shadow);border-bottom:1px solid rgba(240,194,158,.2)}.nav-container{max-width:var(--nav-container-max-width);margin:0 auto;padding:0 var(--nav-padding)}.nav-content{display:flex;justify-content:space-between;align-items:center;height:var(--nav-height)}.logo{display:flex;align-items:center;gap:var(--spacing-sm)}.logo-link{display:flex;align-items:center;gap:var(--spacing-sm);text-decoration:none;color:var(--book-brown);transition:color var(--hover-transition)}.logo-link:hover{color:var(--book-orange)}.logo-icon{width:2rem;height:2rem;color:var(--book-brown)}.logo-image{height:50px;width:auto;max-width:200px;object-fit:contain;display:block}.logo-text{font-size:var(--logo-size);font-weight:700;color:var(--book-brown)}.desktop-menu{display:flex;align-items:center;gap:var(--spacing-2xl)}.nav-menu{display:flex;align-items:center;gap:var(--spacing-2xl);list-style:none;margin:0;padding:0}.nav-item{position:relative}.nav-link{display:flex;align-items:center;gap:var(--spacing-xs);color:var(--book-brown);text-decoration:none;padding:var(--spacing-sm)var(--spacing-md);border-radius:var(--border-radius-md);font-weight:500;font-size:var(--nav-font-size);transition:all var(--hover-transition)}.nav-link:hover,.nav-link:focus{color:var(--book-orange);background-color:rgba(240,194,158,.1)}.nav-link[aria-current=page]{color:var(--book-orange);font-weight:600}.dropdown-button{background:0 0;border:none;cursor:pointer;display:flex;align-items:center;gap:var(--spacing-xs);color:var(--book-brown);padding:var(--spacing-sm)var(--spacing-md);border-radius:var(--border-radius-md);font-weight:500;font-size:var(--nav-font-size);transition:all var(--hover-transition)}.dropdown-button:hover,.dropdown-button:focus{color:var(--book-orange);background-color:rgba(240,194,158,.1)}.chevron{width:1rem;height:1rem;transition:transform var(--hover-transition)}.categories-dropdown:hover .chevron{transform:rotate(180deg)}.megamenu{position:fixed;left:0;right:0;top:var(--nav-height);padding-top:var(--spacing-sm);opacity:0;visibility:hidden;transition:all var(--transition-speed)var(--transition-easing);z-index:var(--megamenu-z-index)}.categories-dropdown:hover .megamenu{opacity:1;visibility:visible}.megamenu-content{background-color:#fff;border-radius:var(--border-radius-lg);box-shadow:var(--megamenu-shadow);border:1px solid rgba(240,194,158,.3);padding:1.5rem;width:100%;animation:slideDown .4s ease-out}.megamenu-inner{max-width:var(--megamenu-max-width);margin:0 auto;padding:0 var(--nav-padding)}.megamenu .categories-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:min-content;gap:var(--spacing-xl);max-height:280px;overflow:hidden}.category{display:block;min-width:0;max-width:100%}.category-title{font-size:var(--category-title-size);font-weight:600;color:var(--book-brown);margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-sm);border-bottom:1px solid rgba(240,194,158,.4)}.megamenu .books-list{display:flex;flex-direction:column;gap:.25rem;max-height:none;overflow-y:visible}.megamenu .book-item{width:100%;max-width:360px;overflow:hidden}.megamenu .book-image{width:var(--book-image-width);height:var(--book-image-height);object-fit:cover;border-radius:var(--border-radius-sm);box-shadow:var(--book-shadow);flex-shrink:0;transition:box-shadow var(--hover-transition)}.megamenu .book-item:hover .book-image{box-shadow:var(--book-hover-shadow)}.megamenu .book-title{font-size:var(--book-title-size);color:var(--book-gray);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color var(--hover-transition);line-height:1.2}.megamenu .book-item:hover .book-title{color:var(--book-brown)}.megamenu .book-link{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-xs)var(--spacing-sm);border-radius:var(--border-radius-md);transition:background-color var(--hover-transition);text-decoration:none;color:inherit;width:100%;min-height:80px}.megamenu .book-info{display:flex;flex-direction:column;flex:1;min-width:0;justify-content:center;gap:.125rem}.megamenu .book-link:hover{background-color:rgba(240,194,158,.2);text-decoration:none}.megamenu .book-image-container{width:var(--book-image-width);height:var(--book-image-height);flex-shrink:0;display:flex;align-items:center;justify-content:center;border-radius:var(--border-radius-sm);overflow:hidden}.megamenu .book-placeholder{width:var(--book-image-width);height:var(--book-image-height);background-color:#f3f4f6;border-radius:var(--border-radius-sm);display:flex;align-items:center;justify-content:center;color:#9ca3af}.megamenu .book-icon{width:24px;height:24px}.megamenu .book-author{font-size:var(--book-author-size);color:var(--book-gray);overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical}.book-count{font-size:.75rem;color:var(--book-gray);font-weight:400;margin-left:.5rem}.category-footer{margin-top:.75rem;padding-top:.5rem;border-top:1px solid rgba(110,70,39,.1)}.view-all-link{font-size:.875rem;color:var(--book-orange);text-decoration:none;font-weight:500;transition:color var(--hover-transition)}.view-all-link:hover{color:var(--book-tan);text-decoration:none}.search-section .search-container{display:block}.search-section .search-container-mobile{display:none}.mobile-menu-button{display:none;padding:var(--spacing-sm);border-radius:var(--border-radius-md);color:var(--book-brown);background:0 0;border:none;cursor:pointer;transition:all var(--hover-transition)}.mobile-menu-button:hover,.mobile-menu-button:focus{color:var(--book-orange);background-color:rgba(240,194,158,.1)}.menu-icon,.close-icon{width:1.5rem;height:1.5rem}.hidden{display:none}.mobile-menu{display:none;background-color:#fff;border-top:1px solid rgba(240,194,158,.3);animation:slideDown .4s ease-out;transition:transform .3s ease-out;will-change:transform;touch-action:pan-y}.mobile-menu.active{display:block}.mobile-menu-content{padding:var(--spacing-lg)0;display:flex;flex-direction:column;gap:var(--spacing-sm)}.mobile-nav-link{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md)var(--spacing-lg);color:var(--book-brown);text-decoration:none;border-radius:var(--border-radius-md);font-weight:500;transition:all var(--hover-transition)}.mobile-nav-link:hover,.mobile-nav-link:focus{color:var(--book-orange);background-color:rgba(240,194,158,.1)}.mobile-nav-link[aria-current=page]{color:var(--book-orange);font-weight:600}.mobile-categories{padding:0 var(--spacing-lg)}.mobile-categories-button{display:flex;align-items:center;justify-content:space-between;width:100%;padding:var(--spacing-md)0;color:var(--book-brown);background:0 0;border:none;font-weight:500;cursor:pointer;transition:color var(--hover-transition)}.mobile-categories-button:hover,.mobile-categories-button:focus{color:var(--book-orange)}.mobile-categories-content{display:none;padding-left:var(--spacing-lg);margin-top:var(--spacing-md);animation:fadeIn .3s ease-out}.mobile-categories-content.active{display:block}.mobile-category{margin-bottom:var(--spacing-md)}.mobile-category-button{display:flex;align-items:center;justify-content:space-between;width:100%;padding:var(--spacing-sm)0;color:var(--book-gray);background:0 0;border:none;font-weight:500;cursor:pointer;transition:color var(--hover-transition)}.mobile-category-button:hover,.mobile-category-button:focus{color:var(--book-brown)}.mobile-books{display:none;padding-left:var(--spacing-lg);margin-top:var(--spacing-sm);animation:fadeIn .3s ease-out}.mobile-books.active{display:flex;flex-direction:column;gap:var(--spacing-sm)}.mobile-book-item{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-sm);border-radius:var(--border-radius-md);text-decoration:none;color:inherit;transition:background-color var(--hover-transition)}.mobile-book-item:hover{background-color:rgba(240,194,158,.2)}.mobile-book-image{width:var(--mobile-book-width);height:var(--mobile-book-height);object-fit:cover;border-radius:var(--border-radius-sm);box-shadow:var(--book-shadow);flex-shrink:0}.mobile-book-placeholder{width:var(--mobile-book-width);height:var(--mobile-book-height);display:flex;align-items:center;justify-content:center;background-color:rgba(240,194,158,.2);color:var(--book-brown);border-radius:var(--border-radius-sm);flex-shrink:0}.mobile-book-placeholder .book-icon{width:1.25rem;height:1.25rem}.mobile-book-info{display:flex;flex-direction:column;gap:.125rem;min-width:0;flex:1}.mobile-book-title{font-size:var(--book-title-size);color:var(--book-gray);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mobile-book-author{font-size:.75rem;color:var(--book-brown);opacity:.8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mobile-book-count{font-size:.8125rem;color:var(--book-orange);font-weight:600}.mobile-view-all{display:block;padding:var(--spacing-sm)var(--spacing-md);margin-top:var(--spacing-xs);text-align:center;color:var(--book-orange);text-decoration:none;font-size:.875rem;font-weight:600;border-radius:var(--border-radius-md);transition:background-color var(--hover-transition)}.mobile-view-all:hover{background-color:rgba(237,151,85,.1)}@keyframes slideDown{from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@media(max-width:1024px) and (min-width:769px){.megamenu .categories-grid{grid-template-columns:repeat(2,1fr);gap:var(--spacing-lg)}}@media(max-width:768px){.logo-image{height:35px;max-width:150px}.desktop-menu{display:none}.search-section .search-container{display:none}.search-section .search-container-mobile{display:block}.mobile-menu-button{display:block}.megamenu .categories-grid{grid-template-columns:1fr;gap:var(--spacing-lg);max-height:none}.megamenu-content{padding:var(--spacing-lg)}.nav-content{height:3.5rem}.logo-text{font-size:1.1rem}}@media(max-width:480px){.nav-container{padding:0 var(--spacing-sm)}.logo-text{display:none}.nav-content{height:3rem}}