.testimonial-dark{background:#1a1a1a;color:white;border:1px solid #333;box-shadow:0 4px 12px rgba(0,0,0,.15)}.testimonial-dark:hover{box-shadow:0 8px 24px rgba(0,0,0,.25)}.testimonial-dark .quote-symbol{color:#ff6b6b}.testimonial-dark .testimonial-text{color:#f0f0f0}.testimonial-dark .testimonial-divider{background:linear-gradient(90deg,transparent,#444,transparent)}.testimonial-dark .user-handle{color:white}.user-platform{font-size:15px;font-weight:600;color:#666}.testimonial-dark .user-platform{color:#aaa}.dot{width:12px;height:12px;border-radius:50%;background:#ddd;cursor:pointer;transition:all .3s ease}.dot.active{background:#333;transform:scale(1.2)}.dot:hover{background:#aaa}