:root {
            --midnight: #020617;
            --slate-900: #0f172a;
            --sky: #0ea5e9;
            --glass: rgba(15, 23, 42, 0.7);
            --glass-border: rgba(255, 255, 255, 0.08);
        }

        body { 
            font-family: 'Inter', sans-serif; 
            background-color: var(--midnight); 
            color: #f1f5f9;
            scroll-behavior: smooth;
            overflow-x: hidden;
        }

        .font-display { font-family: 'Space Grotesk', sans-serif; }

        .hero-gradient {
            background: linear-gradient(to bottom, rgba(2, 6, 23, 0.8), rgba(2, 6, 23, 1)), 
                        url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?auto=format&fit=crop&q=80&w=2000');
            background-size: cover;
            background-position: center;
        }

        .glass-card {
            background: var(--glass);
            backdrop-filter: blur(16px);
            border: 1px solid var(--glass-border);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .glass-card:hover {
            border-color: var(--sky);
            background: rgba(15, 23, 42, 0.9);
            transform: translateY(-8px);
            box-shadow: 0 20px 40px -20px rgba(14, 165, 233, 0.15);
        }

        .nav-blur {
            background: rgba(2, 6, 23, 0.85);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .section-divider {
            height: 1px;
            background: linear-gradient(to right, transparent, rgba(255,255,255,0.1), transparent);
        }

        /* Custom Scrollbar */
        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-track { background: var(--midnight); }
        ::-webkit-scrollbar-thumb { background: #334155; border-radius: 10px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--sky); }

        .mobile-menu-active { transform: translateX(0) !important; }
        
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-15px); }
            100% { transform: translateY(0px); }
        }
        .float-anim { animation: float 6s ease-in-out infinite; }