/* Base & Reset */
    *, *::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(251, 191, 36, 0.2);
        color: #fbbf24;
    }

    /* Scrollbar */
    ::-webkit-scrollbar {
        width: 8px;
    }
    ::-webkit-scrollbar-track {
        background: #0a080f;
    }
    ::-webkit-scrollbar-thumb {
        background: #643345;
        border-radius: 4px;
    }
    ::-webkit-scrollbar-thumb:hover {
        background: #944a60;
    }

    /* Navbar scroll state */
    #navbar.scrolled {
        background: rgba(10, 8, 15, 0.92);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(100, 51, 69, 0.3);
    }

    #navbar.scrolled .font-serif {
        color: #fbbf24;
    }

    /* Mobile menu */
    #mobileMenu.open {
        opacity: 1;
        pointer-events: all;
    }

    #mobileMenu.close {
        opacity: 0;
        pointer-events: none;
    }

    .mobile-link {
        opacity: 0;
        transform: translateY(10px);
        transition: all 0.3s ease;
    }

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

    #mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
    #mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
    #mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
    #mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
    #mobileMenu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

    /* Menu button animation */
    #menuBtn.active .menu-line:nth-child(1) {
        transform: rotate(45deg) translate(4px, 4px);
    }
    #menuBtn.active .menu-line:nth-child(2) {
        opacity: 0;
    }
    #menuBtn.active .menu-line:nth-child(3) {
        transform: rotate(-45deg) translate(4px, -4px);
        width: 1.25rem;
    }

    /* Capability cards */
    .capability-card {
        transition: transform 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
    }

    .capability-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 20px 60px -20px rgba(251, 191, 36, 0.08);
    }

    /* Industry cards */
    .industry-card {
        transition: transform 0.4s ease, border-color 0.4s ease;
    }

    .industry-card:hover {
        transform: translateY(-4px);
    }

    /* Process steps */
    .process-step {
        transition: background 0.3s ease;
    }

    .process-step:hover {
        background: rgba(100, 51, 69, 0.1);
        border-radius: 8px;
        padding-left: 8px;
        margin-left: -8px;
    }

    .process-step:hover .font-serif {
        color: #fbbf24;
    }

    /* Fade-in animations (progressive enhancement) */
    @media (prefers-reduced-motion: no-preference) {
        .fade-in {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .fade-in-delay-1 { transition-delay: 0.1s; }
        .fade-in-delay-2 { transition-delay: 0.2s; }
        .fade-in-delay-3 { transition-delay: 0.3s; }
        .fade-in-delay-4 { transition-delay: 0.4s; }
    }

    /* Reduced motion */
    @media (prefers-reduced-motion: reduce) {
        html {
            scroll-behavior: auto;
        }
        .fade-in {
            opacity: 1;
            transform: none;
        }
        .capability-card, .industry-card {
            transition: none;
        }
    }

    /* Gold shimmer effect on amber elements */
    @keyframes shimmer {
        0% { background-position: -200% center; }
        100% { background-position: 200% center; }
    }

    /* Floating animation for decorative elements */
    @keyframes float {
        0%, 100% { transform: translateY(0px); }
        50% { transform: translateY(-10px); }
    }

    .float-slow {
        animation: float 6s ease-in-out infinite;
    }

    .float-medium {
        animation: float 4s ease-in-out infinite;
    }

    /* Pulse for status dot */
    @keyframes pulse-ring {
        0% { box-shadow: 0 0 0 0 rgba(251, 191, 36, 0.4); }
        70% { box-shadow: 0 0 0 8px rgba(251, 191, 36, 0); }
        100% { box-shadow: 0 0 0 0 rgba(251, 191, 36, 0); }
    }

    .animate-pulse {
        animation: pulse-ring 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    }
</style>