.grid {
	max-width: 80em;
	list-style: none;
	margin: 30px auto;
	padding: 0;
}

.grid li {
	display: block;
	float: left;
	padding: 7px;
	width: 33%;
	opacity: 0;
}

.grid li.shown,
.no-js .grid li,
.no-cssanimations .grid li {
	opacity: 1;
}

.grid li a,
.grid li img {
	border-radius: 8px;
	outline: none;
	border: none;
	display: block;
	max-width: 100%;
	transition: transform 0.3s ease;
}

.grid li img:hover {
	transform: scale(1.02);
}

/* Effect 2: Move Up */
.grid.effect-2 li.animate {
	-webkit-transform: translateY(200px);
	transform: translateY(200px);
	-webkit-animation: moveUp 0.65s ease forwards;
	animation: moveUp 0.65s ease forwards;
}

@-webkit-keyframes moveUp {
	0% { }
	100% { -webkit-transform: translateY(0); opacity: 1; }
}

@keyframes moveUp {
	0% { }
	100% { -webkit-transform: translateY(0); transform: translateY(0); opacity: 1; }
}

@media screen and (max-width: 900px) {
	.grid li {
		width: 50%;
	}
}

@media screen and (max-width: 400px) {
	.grid li {
		width: 100%;
	}
}


footer {
    padding: 15px 0;
    display: flex;
  justify-content: center; /* căn giữa container */
}

.footer-container {
    width: 90%;
    max-width: 1200px;
    border-top: 1px solid #ccc;
    padding: 15px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: #333;
}

.footer-right {
    display: flex;
    gap: 20px;
}

.footer-right a {
    text-decoration: none;
    color: #333;
}

.footer-right a:hover {
    text-decoration: underline;
}

/*  Responsive */
@media (max-width: 600px) {
    .footer-container {
        flex-direction: column;  
        align-items: center; 
        gap: 10px;
        text-align: center;
    }
    .footer-right {
        flex-direction: column;  
        gap: 8px;
    }
}