/* Base64 encoded placeholder images */
.ebook-mockup img {
    content: url("data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMzAwIiBoZWlnaHQ9IjQwMCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KICAgIDxyZWN0IHdpZHRoPSIzMDAiIGhlaWdodD0iNDAwIiBmaWxsPSIjMWU2ZjVjIiAvPgogICAgPHRleHQgeD0iMTUwIiB5PSIyMDAiIGZvbnQtZmFtaWx5PSJBcmlhbCIgZm9udC1zaXplPSIyNCIgdGV4dC1hbmNob3I9Im1pZGRsZSIgZmlsbD0id2hpdGUiPkNvbnRyb2xlIGEgRGlhYmV0ZXM8L3RleHQ+CiAgICA8dGV4dCB4PSIxNTAiIHk9IjIzMCIgZm9udC1mYW1pbHk9IkFyaWFsIiBmb250LXNpemU9IjI0IiB0ZXh0LWFuY2hvcj0ibWlkZGxlIiBmaWxsPSJ3aGl0ZSI+ZW0gMjEgRGlhczwvdGV4dD4KPC9zdmc+");
}

.testimonial-item .photo img, .expert-opinion .photo img {
    content: url("data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iODAiIGhlaWdodD0iODAiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+CiAgICA8Y2lyY2xlIGN4PSI0MCIgY3k9IjQwIiByPSI0MCIgZmlsbD0iIzI5YmI4OSIgLz4KICAgIDx0ZXh0IHg9IjQwIiB5PSI0NSIgZm9udC1mYW1pbHk9IkFyaWFsIiBmb250LXNpemU9IjE0IiB0ZXh0LWFuY2hvcj0ibWlkZGxlIiBmaWxsPSJ3aGl0ZSI+UGVzc29hPC90ZXh0Pgo8L3N2Zz4=");
}

/* Specific placeholder for doctor images */
.expert-opinion .photo img {
    content: url("data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iODAiIGhlaWdodD0iODAiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+CiAgICA8Y2lyY2xlIGN4PSI0MCIgY3k9IjQwIiByPSI0MCIgZmlsbD0iIzFlNmY1YyIgLz4KICAgIDx0ZXh0IHg9IjQwIiB5PSI0NSIgZm9udC1mYW1pbHk9IkFyaWFsIiBmb250LXNpemU9IjE0IiB0ZXh0LWFuY2hvcj0ibWlkZGxlIiBmaWxsPSJ3aGl0ZSI+RG91dG9yPC90ZXh0Pgo8L3N2Zz4=");
}