al-gradient(ellipse at center, rgba(255,255,255,0.1) 0%, rgba(0,0,0,0.3) 100%);
        }

        .slide-display {
            position: relative;
            width: 90vw;
            height: 90vh;
            max-width: calc(90vh * 16/9);
            max-height: calc(90vw * 9/16);
            background: white;
            border-radius: 15px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.4);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .slide-display:hover {
