*, *::before, *::after {
        box-sizing: border-box;
    }
    
    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    
    body {
        overflow-x: hidden;
    }
    
    ::selection {
        background: rgba(255, 107, 71, 0.2);
        color: #f6f6f7;
    }
    
    /* Scroll indicator animation */
    @keyframes scrollIndicator {
        0% { transform: translateY(-100%); }
        100% { transform: translateY(400%); }
    }
    
    .animate-scroll-indicator {
        animation: scrollIndicator 1.5s ease-in-out infinite;
    }
    
    /* Scroll reveal animations - progressive enhancement */
    @media (prefers-reduced-motion: no-preference) {
        .reveal {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
        }
        
        .reveal.revealed {
            opacity: 1;
            transform: translateY(0);
        }
        
        .reveal-delay-1 { transition-delay: 0.1s; }
        .reveal-delay-2 { transition-delay: 0.2s; }
        .reveal-delay-3 { transition-delay: 0.3s; }
    }
    
    /* Reduced motion - ensure content is always visible */
    @media (prefers-reduced-motion: reduce) {
        .reveal {
            opacity: 1;
            transform: none;
        }
        
        html {
            scroll-behavior: auto;
        }
        
        .animate-scroll-indicator {
            animation: none;
        }
    }
    
    /* Floating cards subtle animation */
    @media (prefers-reduced-motion: no-preference) {
        @keyframes float-1 {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-8px); }
        }
        
        @keyframes float-2 {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-6px); }
        }
        
        @keyframes float-3 {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
        }
        
        .float-1 { animation: float-1 6s ease-in-out infinite; }
        .float-2 { animation: float-2 7s ease-in-out infinite; }
        .float-3 { animation: float-3 5s ease-in-out infinite; }
    }
    
    /* Custom scrollbar */
    ::-webkit-scrollbar {
        width: 6px;
    }
    
    ::-webkit-scrollbar-track {
        background: #1a1b1f;
    }
    
    ::-webkit-scrollbar-thumb {
        background: #3d4047;
        border-radius: 3px;
    }
    
    ::-webkit-scrollbar-thumb:hover {
        background: #5e6169;
    }
    
    /* Mobile menu transitions */
    .menu-line {
        transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease, width 0.3s ease;
    }
    
    #menuBtn.active .menu-line:nth-child(1) {
        transform: rotate(45deg) translate(3px, 3px);
    }
    
    #menuBtn.active .menu-line:nth-child(2) {
        opacity: 0;
    }
    
    #menuBtn.active .menu-line:nth-child(3) {
        width: 24px;
        transform: rotate(-45deg) translate(3px, -3px);
    }
    
    #mobileMenu.open {
        opacity: 1;
        pointer-events: all;
    }
    
    /* Navbar background transition */
    #navbar.scrolled {
        background: rgba(13, 14, 16, 0.92);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(61, 64, 71, 0.3);
    }
    
    /* Image loading placeholder */
    img {
        background: linear-gradient(135deg, #1a1b1f 0%, #2a2c31 100%);
    }