body {
    font-family: 'Roboto', sans-serif;
    background-color: #f3f4f6;
    margin: 0;
    padding: 0;
}
.container {
    max-width: 768px;
    margin: 2rem auto;
    background-color: #ffffff;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-radius: 0.5rem;
    overflow: hidden;
}
header {
    background-color: #1d4ed8;
    color: #ffffff;
    text-align: center;
    padding: 1.5rem 0;
}
header h1 {
    font-size: 1.875rem;
    font-weight: 700;
    margin: 0;
    animation: fadeIn 2s ease-in-out;
}
main {
    padding: 1.5rem;
}
section {
    margin-bottom: 1.5rem;
}
section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-align: center;
    animation: fadeIn 2s ease-in-out;
}
.grid {
    display: grid;
    gap: 1rem;
}
.grid-2 {
    grid-template-columns: 1fr;
}
.grid-3 {
    grid-template-columns: 1fr;
}
@media (min-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr 1fr;
    }
    .grid-3 {
        grid-template-columns: 1fr 1fr 1fr;
    }
}
.card {
    background-color: #e5e7eb;
    padding: 1rem;
    border-radius: 0.5rem;
    text-align: center;
    animation: fadeIn 2s ease-in-out;
}
.card img {
    width: 100%;
    height: 10rem;
    object-fit: cover;
    border-radius: 0.5rem;
    margin-bottom: 0.5rem;
}
.card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}
.card p {
    color: #4b5563;
}
.card button {
    background-color: #1d4ed8;
    color: #ffffff;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0.25rem;
    margin-top: 0.5rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}
.card button:hover {
    background-color: tomato;
}
footer {
    background-color: #1f2937;
    color: #ffffff;
    text-align: center;
    padding: 1rem 0;
}
footer p {
    margin: 0.5rem 0;
}
footer .social-icons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}
footer .social-icons a {
    color: #ffffff;
    font-size: 1.25rem;
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}