/* Custom Styles for Geological Finds Rock Shop */
    
    /* Smooth scrolling */
    html {
        scroll-behavior: smooth;
    }
    
    /* Selection color */
    ::selection {
        background-color: rgba(200, 164, 94, 0.3);
        color: #ffffff;
    }
    
    /* Scrollbar styling */
    ::-webkit-scrollbar {
        width: 8px;
    }
    
    ::-webkit-scrollbar-track {
        background: #0a1628;
    }
    
    ::-webkit-scrollbar-thumb {
        background: #c8a45e;
        border-radius: 4px;
    }
    
    ::-webkit-scrollbar-thumb:hover {
        background: #d4b56e;
    }
    
    /* Reveal animations - progressive enhancement, only active with JS */
    .reveal {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.8s ease, transform 0.8s ease;
    }
    
    @media (prefers-reduced-motion: no-preference) {
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }
        
        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    /* Hero orb animations */
    @media (prefers-reduced-motion: no-preference) {
        .hero-orb {
            animation: float 20s ease-in-out infinite;
        }
        
        .orb-1 {
            animation-delay: 0s;
        }
        
        .orb-2 {
            animation-delay: -7s;
        }
        
        .orb-3 {
            animation-delay: -14s;
        }
    }
    
    @keyframes float {
        0%, 100% {
            transform: translate(0, 0) scale(1);
        }
        25% {
            transform: translate(30px, -30px) scale(1.05);
        }
        50% {
            transform: translate(-20px, 20px) scale(0.95);
        }
        75% {
            transform: translate(20px, 10px) scale(1.02);
        }
    }
    
    /* Navbar transition states */
    #navbar {
        transition: background-color 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
    }
    
    #navbar.scrolled {
        background-color: rgba(10, 22, 40, 0.95);
        backdrop-filter: blur(20px);
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    }
    
    /* Mobile menu transitions */
    #mobile-menu.open {
        opacity: 1;
        pointer-events: all;
    }
    
    /* Button hover effects */
    a {
        text-decoration: none;
    }
    
    /* Image loading placeholder */
    img {
        background: linear-gradient(135deg, #112240 0%, #1a3260 100%);
        min-height: 100px;
    }
    
    /* Focus styles for accessibility */
    a:focus-visible,
    button:focus-visible {
        outline: 2px solid #c8a45e;
        outline-offset: 2px;
        border-radius: 4px;
    }
    
    /* Nav link underline effect */
    .nav-link {
        position: relative;
    }
    
    .nav-link::after {
        content: '';
        position: absolute;
        bottom: -4px;
        left: 0;
        width: 0;
        height: 2px;
        background: #c8a45e;
        transition: width 0.3s ease;
    }
    
    .nav-link:hover::after {
        width: 100%;
    }
    
    /* Mobile menu line animation */
    .menu-line {
        transform-origin: center;
    }
    
    #menu-btn.active .menu-line:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    #menu-btn.active .menu-line:nth-child(2) {
        opacity: 0;
    }
    
    #menu-btn.active .menu-line:nth-child(3) {
        width: 24px;
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    /* Mobile link animation */
    .mobile-link {
        opacity: 0;
        transform: translateY(20px);
    }
    
    #mobile-menu.open .mobile-link {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.3s ease, transform 0.3s ease;
    }
    
    #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; }
    
    /* Tablet and desktop adjustments */
    @media (min-width: 768px) {
        .reveal {
            transition-delay: 0.1s;
        }
    }