/* --- DARK THEME HEADER STYLING --- */
        header.site-header {
            position: sticky;
            top: -1;
            z-index: 999;
            backdrop-filter: blur(20px);
            background: rgba(6, 8, 22, .85);
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            font-family: 'Space Grotesk', sans-serif;
        }

        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0;
            height: 90px;
        }

        .logo {
            font-size: 34px;
            font-weight: 700;
            letter-spacing: -2px;
            color: #fff;
            font-family: 'Space Grotesk', sans-serif;
        }

        .logo span {
            color: #06b6d4;
        }

        nav.desktop-nav {
            display: flex;
            gap: 35px;
            align-items: center;
        }

        nav.desktop-nav a {
            color: #fff;
            text-decoration: none;
            opacity: .8;
            transition: .3s;
            font-weight: 500;
            font-size: 1rem;
        }

        nav.desktop-nav a:hover {
            opacity: 1;
        }

        .mobile-menu-btn {
            display: none;
            width: 52px;
            height: 52px;
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, .08);
            background: rgba(255, 255, 255, .06);
            color: #fff;
            font-size: 26px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            backdrop-filter: blur(20px);
        }