/* Base */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
        scroll-padding-top: 80px;
    }

    body {
        overflow-x: hidden;
    }

    ::selection {
        background: rgba(94, 234, 212, 0.2);
        color: #5eead4;
    }

    /* Scroll Reveal Animations */
    .reveal {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                    transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }

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

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

    #navbar.scrolled {
        background: rgba(3, 13, 24, 0.85);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .nav-link {
        position: relative;
    }

    .nav-link::after {
        content: '';
        position: absolute;
        bottom: -4px;
        left: 0;
        width: 0;
        height: 1px;
        background: #5eead4;
        transition: width 0.3s ease;
    }

    .nav-link:hover::after {
        width: 100%;
    }

    /* Mobile Menu */
    #mobile-menu.active {
        opacity: 1;
        pointer-events: all;
    }

    .menu-line {
        transform-origin: center;
    }

    #menu-btn.active .menu-line:nth-child(1) {
        transform: rotate(45deg) translate(3px, 3px);
    }

    #menu-btn.active .menu-line:nth-child(2) {
        opacity: 0;
    }

    #menu-btn.active .menu-line:nth-child(3) {
        transform: rotate(-45deg) translate(3px, -3px);
        width: 1.5rem;
    }

    .mobile-link {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
    }

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

    #mobile-menu.active .mobile-link:nth-child(1) { transition-delay: 0.1s; }
    #mobile-menu.active .mobile-link:nth-child(2) { transition-delay: 0.15s; }
    #mobile-menu.active .mobile-link:nth-child(3) { transition-delay: 0.2s; }
    #mobile-menu.active .mobile-link:nth-child(4) { transition-delay: 0.25s; }
    #mobile-menu.active .mobile-link:nth-child(5) { transition-delay: 0.3s; }

    /* Image hover parallax feel */
    .aspect-\[3\/4\] img,
    .aspect-\[4\/5\] img,
    .aspect-video img {
        will-change: transform;
    }

    /* Reduced motion */
    @media (prefers-reduced-motion: reduce) {
        html {
            scroll-behavior: auto;
        }
        
        .reveal {
            opacity: 1;
            transform: none;
            transition: none;
        }
        
        img {
            transition: none;
        }
        
        .animate-pulse {
            animation: none;
        }
    }

    /* Focus styles */
    a:focus-visible,
    button:focus-visible {
        outline: 1px solid rgba(94, 234, 212, 0.5);
        outline-offset: 4px;
    }