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

    html {
        scroll-behavior: smooth;
    }

    body {
        overflow-x: hidden;
    }

    /* Scroll reveal animations - progressive enhancement */
    @media (prefers-reduced-motion: no-preference) {
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }

        .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; }
        .reveal-delay-4 { transition-delay: 0.4s; }
        .reveal-delay-5 { transition-delay: 0.5s; }
    }

    /* Service cards */
    .service-card {
        will-change: transform;
    }

    /* Testimonial cards */
    .testimonial-card {
        will-change: transform;
    }

    /* Navbar scroll state */
    #navbar.scrolled {
        background: rgba(255, 255, 255, 0.97);
        backdrop-filter: blur(10px);
        box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
    }

    /* Mobile menu transition */
    #mobile-menu {
        transition: max-height 0.3s ease, opacity 0.3s ease;
    }

    #mobile-menu.hidden {
        max-height: 0;
        opacity: 0;
        overflow: hidden;
    }

    #mobile-menu:not(.hidden) {
        max-height: 400px;
        opacity: 1;
    }

    /* Geometric shape animations */
    @media (prefers-reduced-motion: no-preference) {
        @keyframes float {
            0%, 100% { transform: translateY(0) rotate(12deg); }
            50% { transform: translateY(-10px) rotate(12deg); }
        }

        @keyframes float-slow {
            0%, 100% { transform: translateY(0) rotate(-6deg); }
            50% { transform: translateY(-8px) rotate(-6deg); }
        }

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

        .floating-shape-slow {
            animation: float-slow 8s ease-in-out infinite;
        }
    }

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

    ::-webkit-scrollbar-track {
        background: #f1f1f1;
    }

    ::-webkit-scrollbar-thumb {
        background: #FF6B56;
        border-radius: 4px;
    }

    ::-webkit-scrollbar-thumb:hover {
        background: #E85A45;
    }

    /* Selection color */
    ::selection {
        background: #FF6B56;
        color: white;
    }