body {
            font-family: "PT Sans Narrow", sans-serif;
            background-color: #FFFFFF;
            color: #170C79;
            overflow-x: hidden;
            scroll-behavior: smooth;
        }

        /* 🌊 SOUNDWAVE ANIMATION SYSTEM */
        .wave-bg {
            position: absolute;
            width: 200%;
            height: 100%;
            background: url('data:image/svg+xml;utf8,<svg viewBox="0 0 1440 320" xmlns="http://www.w3.org/2000/svg"><path fill="%23170C79" fill-opacity="0.04" d="M0,192L48,176C96,160,192,128,288,138.7C384,149,480,203,576,224C672,245,768,235,864,202.7C960,171,1056,117,1152,106.7C1248,96,1344,128,1392,144L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
            background-repeat: repeat-x;
            animation: waveMove 30s linear infinite;
            z-index: -1;
            bottom: 0;
        }

        @keyframes waveMove {
            from { transform: translateX(0); }
            to { transform: translateX(-50%); }
        }

        /* OFFSET POSITIONS */
        .offset-high { transform: translateY(-60px); }
        .offset-low { transform: translateY(60px); }
        
        .nav-link {
            position: relative;
            cursor: pointer;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: -4px;
            left: 0;
            background: #170C79;
            transition: width 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
        }
        .nav-link:hover::after {
            width: 100%;
        }

        .zig-zag-line {
            position: absolute;
            width: 2px;
            height: 100%;
            background: repeating-linear-gradient(to bottom, #170C79, #170C79 10px, transparent 10px, transparent 20px);
            left: 50%;
            top: 0;
            z-index: 0;
        }

        /* CUSTOM SCROLLBARS */
        .no-scrollbar::-webkit-scrollbar { display: none; }
        .no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

        /* REVEAL SYSTEM */
        .reveal { opacity: 0; transition: all 1.2s cubic-bezier(0.165, 0.84, 0.44, 1); }
        .reveal.active { opacity: 1; transform: translate(0, 0) !important; }
        .from-left { transform: translateX(-100px); }
        .from-right { transform: translateX(100px); }
        .from-bottom { transform: translateY(100px); }

        .modal-blur {
            backdrop-filter: blur(12px);
            background: rgba(23, 12, 121, 0.1);
        }

        .filter-btn.active {
            background-color: #170C79;
            color: white;
        }