.hero-section{background:linear-gradient(45deg,var(--primary-color),var(--secondary-color));padding:8rem 2rem;border-radius:15px;margin:2rem 0}.message-card{transition:transform .3s ease;border:2px solid var(--primary-color);border-radius:12px}.message-card:hover{transform:translateY(-5px)}.file-icon{width:40px;height:40px;margin-right:1rem}.input-form{margin-top:20px}.input-form form{display:flex;flex-direction:column}.input-form form textarea{width:100%;height:100px;padding:10px;border:1px solid #ccc;border-radius:5px;resize:vertical;box-sizing:border-box}.input-form form input[type=file]{margin-top:10px}.input-form form button{padding:10px 20px;background-color:var(--primary-color);color:#fff;border:none;border-radius:5px;cursor:pointer;margin-top:10px;transition:background .2s ease}.input-form form button:hover{background-color:#51008a}.like-button{border:none;padding:10px 20px;color:#000;cursor:pointer;transform:scale(1.05);transition:transform .3s ease}.like-button.liked,.like-button:active,.like-button:focus{background-color:var(--primary-color);color:#fff}@media (max-width:768px){.hero-section{padding:4rem 1rem}}