/* Overlay für das Popup */
        .popup-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            display: none; /* Wird per JS auf 'flex' geändert */
            align-items: center;
            justify-content: center;
            z-index: 1000;
            padding: 15px; /* Leichter Abstand zum Rand auf kleinen Geräten */
            box-sizing: border-box;
        }

        /* Popup-Container, angelehnt an dein Design */
        .popup-content {
            position: relative;
            width: 100%;
            max-width: 650px;
            background: linear-gradient(135deg, #981eea, #ec9057); /* Orangener Farbverlauf */
            padding: 40px 30px 30px 30px;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            text-align: center;
        }

        /* Schließen-Button INNEN für Desktop, weiter unten */
        .close-popup {
            position: absolute;
            top: 48px;
            right: 25px;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            font-weight: normal;
            color: #fff;
            background-color: rgba(0, 0, 0, 0.2);
            border-radius: 50%;
            cursor: pointer;
            z-index: 1050;
            line-height: 1;
            transition: transform 0.2s ease, background-color 0.2s ease;
            border: none;
        }

        .close-popup:hover {
            transform: scale(1.1);
            background-color: rgba(0, 0, 0, 0.4);
        }

        /* Titel im Popup */
        .popup-title {
            font-size: clamp(1.5rem, 4vw, 1.4rem);
            color: #fff;
            text-align: center;
            margin-bottom: 25px;
            font-weight: bold;
            padding: 10px 15px;
            border-radius: 8px;
            display: inline-block;
        }

        /* Swiper Container Stile */
        .swiper {
            width: 100%;
            padding: 10px 0 40px 0; /* Platz für Pagination */
        }
        
        /* Einzelner Slide */
        .swiper-slide {
            width: 250px;
            height: 350px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            transition: transform 0.3s ease, width 0.3s ease, height 0.3s ease;
        }

        .swiper-slide:hover {
            transform: scale(1.03);
        }

        .swiper-slide img {
            max-width: 90%;
            max-height: 90%;
            object-fit: contain;
            border-radius: 8px;
        }
        
        /* Swiper Navigation (Pfeile) */
        .swiper-button-next,
        .swiper-button-prev {
            color: #003366;
            font-weight: bold;
            top: 55%;
        }
        
        /* Swiper Pagination (Punkte) */
        .swiper-pagination-bullet-active {
            background: #003366;
        }
        
        /* Größe der Navigationspfeile für eine bessere Optik auf dem Desktop anpassen */
        :root {
            --swiper-navigation-size: 34px;
        }
        
        /* === MOBILE OPTIMIERUNG === */
        @media (max-width: 768px) {
            .popup-content {
                padding: 30px 15px 20px 15px;
            }
            .popup-title {
                font-size: 1.25rem;
                margin-bottom: 20px;
            }
            .swiper-slide {
                width: 220px;
                height: 310px;
            }
            .close-popup {
                top: 5px;
                right: 13px;
                background-color: rgba(0, 0, 0, 0.5);
                border: 2px solid white;
            }
        }
        
        @media (max-width: 480px) {
             .popup-title {
                font-size: 1.1rem; 
                line-height: 1.3;
            }
            .swiper-slide {
                width: 180px;
                height: 250px;
            }
            .swiper-button-next,
            .swiper-button-prev {
                display: none;
            }
        }