/* ========================================
       IVY LANE — Custom Styles
       ======================================== */

    /* Base */
    *, *::before, *::after {
        box-sizing: border-box;
    }

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

    body {
        overflow-x: hidden;
    }

    /* Selection */
    ::selection {
        background-color: #C06C4B;
        color: #fff;
    }

    /* Scrollbar */
    ::-webkit-scrollbar {
        width: 8px;
    }
    ::-webkit-scrollbar-track {
        background: #FDF8F0;
    }
    ::-webkit-scrollbar-thumb {
        background: #C9A96E;
        border-radius: 4px;
    }
    ::-webkit-scrollbar-thumb:hover {
        background: #C06C4B;
    }

    /* Scroll Line Animation */
    .scroll-line {
        width: 1px;
        height: 40px;
        background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
        animation: scrollPulse 2s ease-in-out infinite;
    }

    @keyframes scrollPulse {
        0%, 100% { opacity: 0.3; transform: scaleY(0.6); transform-origin: top; }
        50% { opacity: 1; transform: scaleY(1); }
    }

    /* Reveal Animations (progressive enhancement — content visible without JS) */
    .reveal {
        opacity: 1;
        transform: none;
        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);
    }

    @media (prefers-reduced-motion: no-preference) {
        .reveal {
            opacity: 0;
            transform: translateY(30px);
        }
        .reveal.revealed {
            opacity: 1;
            transform: translateY(0);
        }
    }

    /* Header States */
    #site-header {
        background: transparent;
    }

    #site-header.scrolled {
        background: rgba(253, 248, 240, 0.95);
        backdrop-filter: blur(20px);
        box-shadow: 0 1px 0 rgba(61, 43, 31, 0.08);
    }

    #site-header.scrolled .nav-link {
        color: rgba(61, 43, 31, 0.7);
    }

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

    .menu-line {
        display: block;
    }

    #menu-toggle.active .menu-line:nth-child(1) {
        transform: rotate(45deg) translate(4px, 4px);
    }
    #menu-toggle.active .menu-line:nth-child(2) {
        opacity: 0;
    }
    #menu-toggle.active .menu-line:nth-child(3) {
        transform: rotate(-45deg) translate(4px, -4px);
        width: 24px;
    }

    /* Button Focus */
    a:focus-visible, button:focus-visible {
        outline: 2px solid #C06C4B;
        outline-offset: 2px;
        border-radius: 4px;
    }

    /* Image Loading */
    img {
        display: block;
        max-width: 100%;
    }

    /* Print */
    @media print {
        #site-header, .scroll-line { display: none; }
        body { background: #fff; }
        a { color: #333; }
    }