body {
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #006400 0%, #FF0000 100%);
    color: white;
}

.container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background: rgba(0, 100, 0, 0.8);
    text-align: center;
    padding: 2rem;
    animation: fadeInDown 1.5s ease-out;
}

header h1 {
    margin-bottom: 0.5rem;
    font-size: 2.8rem;
    color: #FFD700;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem 1rem;
    text-align: center;
    animation: fadeInUp 2s ease-out;
}

main img {
    max-width: 90%;
    height: auto;
    margin-bottom: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    animation: zoomIn 1.5s ease-out;
}

main h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.author {
    margin: 1rem 0;
    font-weight: 500;
    font-style: italic;
}

.btn {
    text-decoration: none;
    background-color: #FFD700;
    color: #000;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    font-weight: bold;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.btn:hover {
    background-color: #e6c200;
    transform: scale(1.05);
}

footer {
    text-align: center;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 1rem;
    font-size: 0.9rem;
}

/* Animações */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes zoomIn {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

/* Responsivo */
@media (max-width: 600px) {
    header h1 {
        font-size: 2rem;
    }

    main h2 {
        font-size: 1.5rem;
    }

    .btn {
        width: 80%;
    }
}