:root{--accent-cyan: #00e5ff;--accent-glow: rgba(0, 229, 255, .3);--dark-bg: #0a0c10;--card-bg: #161b22}.topbar,.navbar-default,.header-banner{background:var(--dark-bg)!important;border-bottom:1px solid var(--accent-cyan)!important}section.home-banner,.jumbotron,.hero-area{background:radial-gradient(circle at top right,#001f3f,#050a0f)!important;border-bottom:2px solid var(--accent-cyan)!important;padding:100px 0!important}.card,.index-category-item,.kb-category-item{background-color:var(--card-bg)!important;border:1px solid rgba(255,255,255,.05)!important;border-radius:15px!important;transition:.3s all ease!important}.card:hover{border-color:var(--accent-cyan)!important;box-shadow:0 0 20px var(--accent-glow)!important;transform:translateY(-5px)}.card i,.card .icon,.fa-stack{color:var(--accent-cyan)!important}.portal-custom-header{background:#050a0f;padding:15px 0;border-bottom:1px solid rgba(0,229,255,.2)}.header-flex{display:flex;justify-content:space-between;align-items:center}.brand-name{font-size:22px;font-weight:800;color:#fff;margin-left:10px}.cyan-text{color:var(--accent-cyan)}.header-nav-links a{color:#8b949e;margin-left:25px;text-decoration:none;font-weight:500}.header-nav-links a:hover{color:var(--accent-cyan)}.btn-primary,.btn-login{background:var(--accent-cyan)!important;color:#000!important;border:none!important;font-weight:700!important;border-radius:5px!important}