:root {
            --black: #000000;
            --white: #FFFFFF;
            --gray-subtle: #f4f4f4;
        }

        body {
            font-family: 'Share Tech', sans-serif;
            background-color: var(--black);
            color: var(--white);
            overflow-x: hidden;
        }

        /* Navigation Transitions */
        .page-view {
            display: none;
            animation: pageFadeIn 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
        }
        .page-view.active { display: block; }

        @keyframes pageFadeIn {
            from { opacity: 0; transform: translateY(20px); filter: blur(5px); }
            to { opacity: 1; transform: translateY(0); filter: blur(0); }
        }

        /* Header Scroll Effect */
        header.scrolled {
            background: rgba(0, 0, 0, 0.95);
            padding-top: 1rem;
            padding-bottom: 1rem;
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        /* Image Hover Zoom */
        .img-zoom-container { overflow: hidden; position: relative; }
        .img-zoom-container img { transition: transform 1.5s ease, filter 0.5s ease; }
        .img-zoom-container:hover img { transform: scale(1.1); filter: grayscale(0); }
        .grayscale-img { filter: grayscale(100%); }

        /* Overlay Cards */
        .card-black { background: var(--black); color: var(--white); }
        .card-white { background: var(--white); color: var(--black); }
        .card-overlap { transition: all 0.5s ease; }
        .card-overlap:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0,0,0,0.4); }

        /* Video Play Button */
        .play-btn {
            width: 60px; height: 60px;
            border: 2px solid white;
            border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            background: rgba(0,0,0,0.4);
            transition: all 0.3s ease;
        }
        .play-btn:hover { background: white; color: black; transform: scale(1.1); }

        /* Custom Scrollbar */
        ::-webkit-scrollbar { width: 4px; }
        ::-webkit-scrollbar-track { background: #000; }
        ::-webkit-scrollbar-thumb { background: #fff; }

        .hide-scrollbar::-webkit-scrollbar { display: none; }
        .hide-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

        /* Animations */
        .fade-up { opacity: 0; transform: translateY(30px); transition: all 0.8s ease-out; }
        .fade-up.visible { opacity: 1; transform: translateY(0); }

        /* Navbar Active */
        .nav-link { position: relative; cursor: pointer; transition: opacity 0.3s; }
        .nav-link::after {
            content: ''; position: absolute; bottom: -5px; left: 0;
            width: 0; height: 1px; background: currentColor; transition: width 0.3s;
        }
        .nav-link:hover::after, .nav-link.active::after { width: 100%; }

#hero-slider {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    z-index: 0;
}

.hero-bg.active {
    opacity: 1;
    z-index: 1;
}