/* MODERN SUPPORTERS SECTION */
        .section4,
        .section4 *,
        .section4 *::before,
        .section4 *::after {
            box-sizing: border-box;
        }

        .section4 {
            background-color: #0a0a0a;
            color: #e1e1e1;
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            line-height: 1.6;
            padding: 4rem 1rem;
            display: flex;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .section4::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 20% 20%, rgba(0, 0, 0, 0.1) 0%, transparent 0%),
                radial-gradient(circle at 80% 80%, rgba(0, 0, 0, 0.1) 0%, transparent 0%),
                radial-gradient(circle at 40% 60%, rgba(0, 0, 0, 0.05) 0%, transparent 0%);
            pointer-events: none;
        }

        .section4 main {
            max-width: 800px;
            width: 90%;
            position: relative;
            z-index: 1;
        }

        .section4 h1 {
            font-weight: 700;
            font-size: clamp(2.5rem, 5vw, 3.5rem);
            text-align: center;
            margin-bottom: 4rem;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #ffffff 0%, #a0a0a0 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            position: relative;
        }

        .section4 h1::after {
            content: '';
            position: absolute;
            bottom: -1rem;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, #8a2be2, #00bfff);
            border-radius: 2px;
        }

        .section4 h2.section-title {
            font-weight: 600;
            font-size: 1.75rem;
            margin-bottom: 2rem;
            padding: 0.5rem 0;
            color: #ffffff;
            position: relative;
            letter-spacing: -0.01em;
        }

        .section4 h2.section-title::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background: linear-gradient(90deg, #00bfff, #8a2be2);
            border-radius: 1px;
        }

        .section4 .tier {
            background: rgba(255, 255, 255, 0.02);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            margin-bottom: 2rem;
            padding: 2rem;
            position: relative;
            overflow: hidden;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .section4 .tier::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--tier-gradient);
            opacity: 0.8;
        }

        .section4 .tier::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, var(--tier-glow) 0%, transparent 70%);
            opacity: 0;
            transition: opacity 0.4s ease;
            pointer-events: none;
        }

        /* Tier specific styles */
        .section4 .tier.sponsors {
            --tier-gradient: linear-gradient(90deg, #8a2be2, #da70d6);
            --tier-glow: rgba(138, 43, 226, 0.1);
            --tier-accent: #8a2be2;
        }

        .section4 .tier.gold {
            --tier-gradient: linear-gradient(90deg, #ffd700, #ffed4e);
            --tier-glow: rgba(255, 215, 0, 0.1);
            --tier-accent: #ffd700;
        }

        .section4 .tier.silver {
            --tier-gradient: linear-gradient(90deg, #c0c0c0, #e6e6e6);
            --tier-glow: rgba(192, 192, 192, 0.1);
            --tier-accent: #c0c0c0;
        }

        .section4 .tier.bronze {
            --tier-gradient: linear-gradient(90deg, #cd7f32, #daa520);
            --tier-glow: rgba(205, 127, 50, 0.1);
            --tier-accent: #cd7f32;
        }

        .section4 .tier:hover {
            transform: translateY(-4px);
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(255, 255, 255, 0.2);
            box-shadow: 
                0 20px 40px rgba(0, 0, 0, 0.3),
                0 0 60px var(--tier-glow);
        }

        .section4 .tier:hover::after {
            opacity: 1;
        }

        .section4 .tier h3 {
            margin-top: 0;
            margin-bottom: 1.5rem;
            font-weight: 600;
            font-size: 1.5rem;
            color: #ffffff;
            letter-spacing: -0.01em;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .section4 .tier h3::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--tier-accent);
            border-radius: 50%;
            box-shadow: 0 0 20px var(--tier-accent);
        }

        .section4 section {
            margin-bottom: 3rem;
            margin-top: 3rem;
        }

        .section4 ul.supporters-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            gap: 0.75rem;
        }

        .section4 ul.supporters-list li {
            padding: 1.25rem 1.5rem;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 12px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1rem;
            font-weight: 400;
            color: #d0d0d0;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .section4 ul.supporters-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--tier-accent);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .section4 ul.supporters-list li:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.15);
            transform: translateX(4px);
        }

        .section4 ul.supporters-list li:hover::before {
            opacity: 1;
        }

        .section4 ul.supporters-list li span.date {
            font-size: 0.875rem;
            color: #888;
            font-weight: 300;
            white-space: nowrap;
            padding: 0.25rem 0.75rem;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        /* Empty state styling */
        .section4 ul.supporters-list li:has(span.date:empty) {
            color: #666;
            font-style: italic;
            opacity: 0.7;
        }

        @media (max-width: 768px) {
            .section4 {
                padding: 3rem 1rem;
            }
            
            .section4 h1 {
                margin-bottom: 3rem;
            }

            .section4 h2.section-title {
                font-size: 1.5rem;
                margin-bottom: 1.5rem;
            }

            .section4 .tier {
                padding: 1.5rem;
                margin-bottom: 1.5rem;
            }

            .section4 .tier h3 {
                font-size: 1.25rem;
                margin-bottom: 1rem;
            }

            .section4 ul.supporters-list li {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
                padding: 1rem;
            }

            .section4 ul.supporters-list li span.date {
                align-self: flex-start;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 480px) {
            .section4 {
                padding: 2rem 0.75rem;
            }

            .section4 .tier {
                padding: 1.25rem;
            }
        }

        /* Smooth animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .section4 .tier {
            animation: fadeInUp 0.6s ease forwards;
        }

        .section4 .tier:nth-child(1) { animation-delay: 0.1s; }
        .section4 .tier:nth-child(2) { animation-delay: 0.2s; }
        .section4 .tier:nth-child(3) { animation-delay: 0.3s; }
        .section4 .tier:nth-child(4) { animation-delay: 0.4s; }