/* css/styles.css */
dark-mode { background: #111; color: #fff; }
.hero { background: linear-gradient(to bottom, #111, #000); color: #fff; }
.feature-icon { font-size: 40px; color: #22c55e; margin-bottom: 15px; }
.floating-chat { position: fixed; bottom: 20px; right: 20px; background: #22c55e; color: #000; border-radius: 50%; padding: 15px; cursor: pointer; box-shadow: 0 4px 8px rgba(0,0,0,0.3); }