@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

        :root {
            --primary: #d4af37;
            --primary-dark: #b8962e;
            --secondary: #1a1a1a;
            --accent: #f8f5e9;
            --swiper-theme-color: #ffffff;
            --swiper-pagination-bullet-inactive-color: #ffffff;
            --swiper-pagination-bullet-inactive-opacity: 0.4;
        }

        body {
            font-family: 'Plus Jakarta Sans', sans-serif;
            background-color: #f9f9fb;
            color: var(--secondary);
            -webkit-tap-highlight-color: transparent;
        }

        /* Side Menu Animation */
        #side-menu-container {
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* Overlay Animation */
        #side-menu-overlay {
            transition: opacity 0.3s ease;
        }

        .glass-effect {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        #main-banner-swiper {
            width: 100%;
            height: 220px;
            border-radius: 1.25rem;
            overflow: hidden;
            position: relative;
        }

        @media (min-width: 768px) {
            #main-banner-swiper {
                height: 400px;
            }
        }

        .swiper-slide img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .banner-overlay {
            background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 70%);
        }

        .shimmer {
            background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
            background-size: 200% 100%;
            animation: shimmer 1.5s infinite;
        }

        @keyframes shimmer {
            0% { background-position: 200% 0; }
            100% { background-position: -200% 0; }
        }

        .no-scrollbar::-webkit-scrollbar { display: none; }
        .no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

        .floating-nav-item {
            position: relative;
            filter: drop-shadow(0 4px 10px rgba(0,0,0,0.15));
        }

        .btn-donate-gradient {
            background: linear-gradient(135deg, #d4af37 0%, #f59e0b 100%);
            box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
        }

        /* Input states for calculator */
        #calc-input::placeholder {
            color: #6b7280;
        }