/* Custom styles for China House */

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Base font smoothing */
body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Navbar transition */
#navbar {
    transition: background-color 0.5s ease, backdrop-filter 0.5s ease, padding 0.3s ease;
}

#navbar.scrolled {
    background-color: rgba(5, 31, 24, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.3);
}

/* Mobile menu animations */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

#mobile-menu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }

/* Menu category hover */
.menu-category {
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.menu-category:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(13, 74, 58, 0.1);
}

/* Gallery hover */
.gallery-item {
    cursor: pointer;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(5, 31, 24, 0.4), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
    border-radius: inherit;
}

.gallery-item:hover::after {
    opacity: 1;
}

/* Scroll reveal animations (below fold only) */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    .menu-category,
    .gallery-item img,
    .gallery-item::after {
        transition: none;
    }
    
    .menu-category:hover {
        transform: none;
    }
    
    .gallery-item:hover img {
        transform: none;
    }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #051f18;
}

::-webkit-scrollbar-thumb {
    background: #166534;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #15803d;
}

/* Selection color */
::selection {
    background-color: rgba(22, 101, 52, 0.3);
    color: #fdf9ee;
}