:root {
    --marrom: #3b2a23;
    --rosa: #f3dccc;
    --branco: #fffaf8;
    --sombra: rgba(0, 0, 0, 0.05);
  }
  
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Segoe UI', sans-serif;
    background-color: var(--branco);
    color: var(--marrom);
    line-height: 1.6;
  }
  
  /* CABEÇALHO */
  header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background-color: white;
    flex-wrap: wrap;
    border-bottom: 1px solid #eee;
  }
  
  .logo img {
    height: 40px;
  }
  
  nav ul {
    list-style: none;
    display: flex;
    gap: 25px;
  }
  
  nav a {
    text-decoration: none;
    color: var(--marrom);
    font-weight: bold;
    transition: 0.3s;
  }
  
  nav a:hover {
    color: #a77d5a;
  }
  
  /* BARRA DE PESQUISA BONITA */
  .search {
    position: relative;
    display: flex;
    align-items: center;
    margin-top: 10px;
  }
  
  .search input {
    padding: 10px 40px 10px 15px;
    border-radius: 30px;
    border: 1px solid #ccc;
    background-color: white;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    font-size: 14px;
    width: 220px;
    transition: 0.3s ease;
  }
  
  .search input:focus {
    outline: none;
    border-color: var(--rosa);
    box-shadow: 0 0 5px var(--rosa);
  }
  
  .search img {
    height: 18px;
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
  }
  
  /* HERO */
  .hero {
    background-color: var(--marrom);
    color: white;
    padding: 60px 40px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
  }
  
  .hero-text {
    max-width: 600px;
  }
  
  .hero-text h1 {
    font-size: 48px;
    margin: 15px 0;
  }
  
  .hero-text p {
    margin-bottom: 20px;
  }
  
  .btn {
    background-color: var(--rosa);
    border: none;
    padding: 10px 20px;
    border-radius: 10px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
  }
  
  .btn:hover {
    background-color: #e4c4b5;
  }
  
  .hero-img img {
    max-width: 350px;
    border-radius: 20px;
  }
  
  .senai-logo {
    width: 60px;
    margin-bottom: 10px;
  }
  
  /* CARROSSEL DE VÍDEOS */
  .carrossel-videos {
    padding: 60px 20px;
    background-color: var(--rosa);
    text-align: center;
  }
  
  .carrossel-videos h2 {
    font-size: 26px;
    margin-bottom: 30px;
    color: var(--marrom);
  }
  
  .video-carousel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 10px 20px;
  }
  
  .video-card {
    background-color: white;
    border-radius: 30px;
    box-shadow: 0 8px 20px var(--sombra);
    padding: 15px;
    text-align: center;
    transition: transform 0.3s;
  }
  
  .video-card:hover {
    transform: scale(1.02);
  }
  
  .video-card iframe {
    width: 100%;
    height: 180px;
    border-radius: 20px;
  }
  
  .video-card p {
    margin-top: 10px;
    font-weight: bold;
    color: #4a342b;
    font-size: 14px;
  }
  
  /* 3 QUADRADOS DE CONTEÚDO */
  .cards-section {
    padding: 60px 20px;
    background-color: #fef8f6;
    text-align: center;
  }
  
  .cards-section h2 {
    font-size: 28px;
    margin-bottom: 40px;
    color: var(--marrom);
  }
  
  .cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
  }
  
  .card {
    background-color: white;
    padding: 25px 20px;
    border-radius: 20px;
    box-shadow: 0 8px 20px var(--sombra);
    transition: transform 0.3s;
    text-align: left;
  }
  
  .card:hover {
    transform: scale(1.03);
  }
  
  .card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--marrom);
  }
  
  .card p {
    font-size: 15px;
    color: #5c3e33;
  }
  
  /* RODAPÉ BONITO */
  footer {
    background: linear-gradient(90deg, #3b2a23, #6d4c41);
    color: #f3dccc;
    text-align: center;
    padding: 40px 20px;
    border-top-left-radius: 60px;
    border-top-right-radius: 60px;
    font-family: 'Segoe UI', sans-serif;
    box-shadow: 0 -4px 12px rgba(0,0,0,0.1);
  }
  
  footer p {
    margin-bottom: 12px;
    font-size: 15px;
    line-height: 1.5;
  }
  
  footer a {
    color: #fbe5da;
    text-decoration: underline;
    font-weight: bold;
  }
  
  /* RESPONSIVO */
  @media (max-width: 768px) {
    .hero {
      flex-direction: column;
      text-align: center;
    }
  
    .hero-img img {
      margin-top: 20px;
    }
  
    nav ul {
      flex-direction: column;
      gap: 10px;
      margin-top: 10px;
    }
  
    .search input {
      width: 100%;
      margin-top: 10px;
    }
  
    .video-card iframe {
      height: 200px;
    }
  
    .card {
      text-align: center;
    }
  }