/* ── Reset & Base ── */
    *, *::before, *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    
    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    
    body {
        overflow-x: hidden;
    }
    
    ::selection {
        background: color-mix(in srgb, #064e3b 30%, transparent);
        color: #022c22;
    }
    
    /* ── Custom Scrollbar ── */
    ::-webkit-scrollbar {
        width: 6px;
    }
    ::-webkit-scrollbar-track {
        background: #f5f5f0;
    }
    ::-webkit-scrollbar-thumb {
        background: #064e3b;
        border-radius: 3px;
    }
    ::-webkit-scrollbar-thumb:hover {
        background: #052e16;
    }
    
    /* ── Scroll Line Animation ── */
    .scroll-line {
        animation: scrollPulse 2s ease-in-out infinite;
    }
    
    @keyframes scrollPulse {
        0%, 100% { opacity: 0.3; transform: scaleY(0.5); transform-origin: top; }
        50% { opacity: 1; transform: scaleY(1); }
    }
    
    /* ── Stat Cards Float ── */
    .stat-card {
        animation: float 6s ease-in-out infinite;
    }
    
    .stat-card:nth-child(2) {
        animation-delay: -2s;
    }
    
    .stat-card:nth-child(3) {
        animation-delay: -4s;
    }
    
    @keyframes float {
        0%, 100% { transform: translateY(0px); }
        50% { transform: translateY(-10px); }
    }
    
    /* ── Service Card Hover ── */
    .service-card {
        transition: background-color 0.4s ease;
    }
    
    .service-card:hover {
        background-color: #fafaf8;
    }
    
    /* ── Process Step Animation ── */
    .process-step {
        opacity: 1;
    }
    
    /* ── Nav Background on Scroll ── */
    #navbar.scrolled {
        background: rgba(250, 250, 248, 0.95);
        backdrop-filter: blur(12px);
        border-bottom: 1px solid rgba(6, 78, 59, 0.08);
        box-shadow: 0 1px 0 rgba(6, 78, 59, 0.05);
    }
    
    /* ── Mobile Menu Animation ── */
    #mobile-menu.open {
        opacity: 1;
        pointer-events: all;
    }
    
    #mobile-menu.open .mobile-link {
        animation: slideIn 0.4s ease forwards;
        opacity: 0;
    }
    
    #mobile-menu.open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
    #mobile-menu.open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
    #mobile-menu.open .mobile-link:nth-child(3) { animation-delay: 0.15s; }
    #mobile-menu.open .mobile-link:nth-child(4) { animation-delay: 0.2s; }
    
    @keyframes slideIn {
        from { opacity: 0; transform: translateY(12px); }
        to { opacity: 1; transform: translateY(0); }
    }
    
    /* ── Menu Lines Animation ── */
    #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;
    }
    
    /* ── Scroll Reveal (Progressive Enhancement) ── */
    @media (prefers-reduced-motion: no-preference) {
        .reveal {
            opacity: 0;
            transform: translateY(24px);
            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; }
    }
    
    /* Fallback: content always visible if JS disabled */
    .reveal {
        opacity: 1;
        transform: none;
    }
    
    /* ── Select Styling ── */
    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='%23064e3b' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 0 center;
        padding-right: 2.5rem;
    }
    
    /* ── Focus Visible ── */
    :focus-visible {
        outline: 2px solid #064e3b;
        outline-offset: 2px;
    }
    
    input:focus-visible, textarea:focus-visible, select:focus-visible {
        outline: none;
    }
    
    /* ── Responsive ── */
    @media (max-width: 767px) {
        .font-serif {
            line-height: 1.15;
        }
    }