Transforms e Transitions

/* Botão que cresce ligeiramente ao hover */
.button {
    background: blue;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
}

.button:hover {
    transform: scale(1.1); /* Cresce 10% */
}

/* Card que eleva ao hover */
.card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.card:hover {
    transform: translateY(-10px); /* Move 10px para cima */
}

/* Ícone que gira ao hover */
.icon {
    width: 24px;
    height: 24px;
}

.icon:hover {
    transform: rotate(180deg); /* Gira 180 graus */
}

/* Por padrão, a origem é o centro (50% 50%) */
.element {
    transform: rotate(45deg);
    transform-origin: 50% 50%;
}

/* Rotação a partir do canto superior esquerdo */
.element-corner {
    transform: rotate(45deg);
    transform-origin: 0 0;
}

/* Rotação a partir do ponto inferior direito */
.element-bottom-right {
    transform: rotate(45deg);
    transform-origin: 100% 100%;
}

<div class="flip-card">
    <div class="flip-card-inner">
        <div class="flip-card-front">
            <h3>Frente do Card</h3>
            <p>Passe o mouse para virar</p>
        </div>
        <div class="flip-card-back">
            <h3>Verso do Card</h3>
            <p>Conteúdo adicional aqui!</p>
        </div>
    </div>
</div>

.flip-card {
    width: 300px;
    height: 200px;
    perspective: 1000px; /* Importante para o efeito 3D */
}

.flip-card-inner {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d; /* Preserva o 3D para elementos filhos */
    transition: transform 0.8s;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden; /* Oculta o verso do elemento */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: 8px;
    padding: 20px;
}

.flip-card-front {
    background-color: #bde0fe;
    color: #333;
}

.flip-card-back {
    background-color: #3a86ff;
    color: white;
    transform: rotateY(180deg);
}

/* Primeiro rotaciona, depois dimensiona, por fim move */
.element {
    transform: translate(20px, 10px) scale(1.5) rotate(45deg);
}

/* Formato: property duration timing-function delay */
transition: all 0.3s ease 0s;

/* Transição para múltiplas propriedades */
transition: 
    transform 0.3s ease-out,
    color 0.2s linear,
    background-color 0.5s ease-in;

/* Transição de hover básica */
.button {
    background-color: #3a86ff;
    color: white;
    padding: 10px 20px;
    transition: all 0.3s ease;
}

.button:hover {
    background-color: #1d4ed8;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* Transições com diferentes timing functions */
.card {
    opacity: 0.7;
    transform: scale(0.95);
}

.card.zoom-linear {
    transition: all 0.5s linear;
}

.card.zoom-ease-in {
    transition: all 0.5s ease-in;
}

.card.zoom-ease-out {
    transition: all 0.5s ease-out;
}

.card.zoom-bounce {
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.card:hover {
    opacity: 1;
    transform: scale(1);
}

.hover-card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.hover-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

<button class="hamburger" id="menu-toggle">
    <span class="line line-1"></span>
    <span class="line line-2"></span>
    <span class="line line-3"></span>
</button>

.hamburger {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    width: 50px;
    height: 50px;
}

.line {
    display: block;
    width: 30px;
    height: 3px;
    margin: 6px 0;
    background: #333;
    border-radius: 3px;
    transition: all 0.3s ease-in-out;
}

.hamburger.active .line-1 {
    transform: translateY(9px) rotate(45deg);
}

.hamburger.active .line-2 {
    opacity: 0;
    transform: translateX(-20px);
}

.hamburger.active .line-3 {
    transform: translateY(-9px) rotate(-45deg);
}

document.getElementById('menu-toggle').addEventListener('click', function() {
    this.classList.toggle('active');
});

<div class="gallery">
    <div class="gallery-item">
        <img src="imagem1.jpg" alt="Descrição">
        <div class="overlay">
            <h3>Título da Imagem</h3>
            <p>Descrição adicional</p>
        </div>
    </div>
    <!-- Mais itens aqui -->
</div>

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    height: 250px;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: white;
    padding: 20px;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item:hover .overlay {
    transform: translateY(0);
    opacity: 1;
}

<button class="fill-button">
    Clique Aqui
</button>

.fill-button {
    position: relative;
    padding: 12px 24px;
    border: 2px solid #3a86ff;
    color: #3a86ff;
    background: transparent;
    font-weight: bold;
    overflow: hidden;
    z-index: 1;
    cursor: pointer;
    transition: color 0.3s ease;
}

.fill-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #3a86ff;
    z-index: -1;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.fill-button:hover {
    color: white;
}

.fill-button:hover::before {
    transform: scaleX(1);
}

<nav class="navbar">
    <ul>
        <li class="dropdown">
            <a href="#">Produtos <span>▼</span></a>
            <ul class="dropdown-menu">
                <li><a href="#">Categoria 1</a></li>
                <li><a href="#">Categoria 2</a></li>
                <li><a href="#">Categoria 3</a></li>
            </ul>
        </li>
        <!-- Mais itens de menu -->
    </ul>
</nav>

.navbar ul {
    list-style: none;
    display: flex;
}

.navbar li {
    position: relative;
}

.navbar a {
    display: block;
    padding: 15px 20px;
    color: #333;
    text-decoration: none;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    width: 200px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Animação da seta */
.dropdown span {
    display: inline-block;
    font-size: 10px;
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.dropdown:hover span {
    transform: rotate(180deg);
}

<div class="carousel">
    <div class="carousel-inner">
        <div class="carousel-item active">
            <img src="slide1.jpg" alt="Slide 1">
        </div>
        <div class="carousel-item">
            <img src="slide2.jpg" alt="Slide 2">
        </div>
        <div class="carousel-item">
            <img src="slide3.jpg" alt="Slide 3">
        </div>
    </div>
    <button class="carousel-control prev"><<</button>
    <button class="carousel-control next">>></button>
</div>

.carousel {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
}

.carousel-inner {
    height: 100%;
    width: 100%;
}

.carousel-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.6s ease-in-out;
}

.carousel-item.active {
    opacity: 1;
}

.carousel-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.5);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-weight: bold;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
}

.carousel-control:hover {
    background: rgba(255,255,255,0.8);
}

.prev {
    left: 20px;
}

.next {
    right: 20px;
}

document.addEventListener('DOMContentLoaded', () => {
    const items = document.querySelectorAll('.carousel-item');
    const next = document.querySelector('.next');
    const prev = document.querySelector('.prev');
    let currentIndex = 0;
    
    function showSlide(index) {
        // Removendo classe active de todos os slides
        items.forEach(item => item.classList.remove('active'));
        
        // Adicionando classe active ao slide atual
        items[index].classList.add('active');
        currentIndex = index;
    }
    
    next.addEventListener('click', () => {
        let nextIndex = currentIndex + 1;
        if (nextIndex >= items.length) {
            nextIndex = 0;
        }
        showSlide(nextIndex);
    });
    
    prev.addEventListener('click', () => {
        let prevIndex = currentIndex - 1;
        if (prevIndex < 0) {
            prevIndex = items.length - 1;
        }
        showSlide(prevIndex);
    });
});

<button id="open-modal" class="modal-button">Abrir Modal</button>

<div class="modal" id="modal">
    <div class="modal-content">
        <span class="close">×</span>
        <h2>Título do Modal</h2>
        <p>Conteúdo do modal aqui...</p>
        <button class="modal-button">Confirmar</button>
    </div>
</div>

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: 8px;
    max-width: 500px;
    width: 90%;
    transform: scale(0.7);
    transition: transform 0.3s ease;
}

.modal.show .modal-content {
    transform: scale(1);
}

.close {
    float: right;
    font-size: 24px;
    cursor: pointer;
}

.modal-button {
    background: #3a86ff;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.modal-button:hover {
    background: #1d4ed8;
}

document.addEventListener('DOMContentLoaded', () => {
    const modal = document.getElementById('modal');
    const openBtn = document.getElementById('open-modal');
    const closeBtn = document.querySelector('.close');
    
    openBtn.addEventListener('click', () => {
        modal.classList.add('show');
    });
    
    closeBtn.addEventListener('click', () => {
        modal.classList.remove('show');
    });
    
    // Fechando o modal clicando fora
    window.addEventListener('click', (e) => {
        if (e.target === modal) {
            modal.classList.remove('show');
        }
    });
});