/* 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;
    }

    /* Custom scrollbar */
    ::-webkit-scrollbar {
        width: 8px;
    }
    ::-webkit-scrollbar-track {
        background: #f0fdfa;
    }
    ::-webkit-scrollbar-thumb {
        background: #99f6e4;
        border-radius: 4px;
    }
    ::-webkit-scrollbar-thumb:hover {
        background: #5eead4;
    }

    /* Selection */
    ::selection {
        background: #ccfbf1;
        color: #134e4a;
    }

    /* Navbar scroll state */
    #navbar.scrolled {
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
    }

    #navbar.scrolled .font-serif {
        color: #1e293b;
    }

    /* Mobile menu animation */
    #menu-btn.active #bar1 {
        transform: translateY(9px) rotate(45deg);
    }
    #menu-btn.active #bar2 {
        opacity: 0;
        transform: scaleX(0);
    }
    #menu-btn.active #bar3 {
        transform: translateY(-9px) rotate(-45deg);
    }

    /* Service card hover */
    .service-card {
        transform: translateY(0);
    }
    .service-card:hover {
        transform: translateY(-4px);
    }

    /* Gallery items */
    .gallery-item {
        cursor: pointer;
    }

    /* Scroll reveal (progressive enhancement) */
    @media (prefers-reduced-motion: no-preference) {
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 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; }
        .reveal-delay-4 { transition-delay: 0.4s; }
        .reveal-delay-5 { transition-delay: 0.5s; }
    }

    /* Mobile menu */
    #mobile-menu {
        pointer-events: none;
    }
    #mobile-menu.open {
        pointer-events: auto;
    }

    /* Smooth focus */
    input:focus, select:focus, textarea:focus {
        outline: none;
    }

    /* Prevent layout shift on images */
    img {
        max-width: 100%;
        height: auto;
    }

    /* Select dropdown arrow */
    select {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 1rem center;
        padding-right: 2.5rem;
    }

    /* Reduced motion */
    @media (prefers-reduced-motion: reduce) {
        html {
            scroll-behavior: auto;
        }
        .service-card:hover {
            transform: none;
        }
        .gallery-item img {
            transition: none;
        }
    }