*{
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
}
body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
.cabecalho {
    padding: 40px;
    background-image: url(../image/header.jpg);
    background-size: cover;
    background-position: center;
}
.cabecalho p {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 150px;
    font-size: 40px;
    padding: 20px;
    color: aliceblue;
    text-shadow: 2px 2px 2px #000;
}
.cabecalho-navegar {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: -40px;
    margin-top: -30px;
}
.cabecalho img {
    width: 180px;
    height: auto;
    margin-top: -20px;
    margin-left: 70px;
}
.cabecalho-navegar a {
    margin-right: 10px;
    text-decoration: none;
    color: black;
    font-size: 19px;
    padding: 20px;
    margin-top: -40px;
}
.cabecalho-navegar a:hover {
    color: #4e7541;
    font-size: 21px;
    transition: all 0.3s ease;
}
.icones-container {
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    padding: 20px;
    gap: 40px;
    margin-top: -70px;
    margin-right: 90px;
}
.icons {
    color: black;
    font-size: 26px;
    width: 20px;
}
.icons:hover {
    color: #4e7541;
    font-size: 36px;
    transition: all 0.3s ease;
}
.icons-2:hover {
    color: #4e7541;
    font-size: 36px;
    transition: all 0.3s ease;
}
.icons-2 {
    color: black;
    font-size: 26px;
    width: 20px;
}
.cabecalho--botao {
    text-decoration: none;
    color: black;
    font-size: 17px;
    border: 2px solid #ffd315;
    border-radius: 6px;
    background-color: #ffd315;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 150px;
    height: 40px;
    margin-left: 44%;
    margin-top: 120px;
}

/* rodape */


.rodape {
    background-image: url(../image/rodape.jpg);
    background-position: bottom;
    background-size: cover;
    color: #fff;
    padding: 40px 20px;
    font-size: 16px;
}

.rodape-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    text-align: center;
    gap: 20px;
}

.rodape-logo img {
    width: 150px;
    height: auto;
}

.rodape-contato p {
    margin: 5px 0;
}

.rodape-redes a {
    color: #fff;
    font-size: 26px;
    margin: 0 10px;
    transition: color 0.3s ease;
}

.rodape-redes a:hover {
    color: #ffd315;
}


/* Palestras */
.palestra-conteudo {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    padding: 20px;
    box-sizing: border-box;
    background-color: #f9f9f9;
}
.palestra-container {
    max-width: 800px;
    width: 100%;
    margin-left: 260px;
    margin-right: 300px;
    margin-top: 40px;
    margin-bottom: 40px;
}
.palestra-conteudo--texto {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    font-size: 16px;
    line-height: 1.2;
    text-align: center;
}
.palestra-container--titulo {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 15px;
}
.palestra-conteudo--texto ul {
    padding-left: 20px;
}
.palestra-conteudo--texto li {
    margin-bottom: 10px;
}
.barra-conteudo {
    border: 1px solid rgba(128, 128, 128, 0.671);
    margin: 20px 20px;
}

/* congresso */

.congresso h1 {
    margin: 90px 90px;
    font-size: 47px;
}
.conteudo-congresso {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: -90px;
    margin-bottom: 50px;
}
.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    justify-items: center; 
    margin-left: 3rem;
    margin-right: 3rem;
    margin-bottom: 200px;
}

.video-grid iframe {
    width: 380px; 
    height: 190px; 
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* publicação */

.publicacoes {
    padding: 3rem;
    background-color: #f4f4f4;
    text-align: center;
}
.publicacoes h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #333;
}

.publicacoes-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1rem;
}

.publicacao-item {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.205);
    padding: 5rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.publicacao-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.publicacao-item img {
    width: 100%;
    height: 80%;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.publicacao-item h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.publicacao-item p {
    font-size: 1rem;
    color: #666;
    margin-bottom: 1rem;
}

.btn {
    margin-top: 20px;
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background-color: #007bff;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: #0056b3;
}

/* --- Responsividade para Tablet (até 768px) --- */
@media (max-width: 768px) {
  .cabecalho {
    padding: 20px;
    background-position: center;
  }
  .cabecalho p {
    font-size: 24px;
    margin-top: 80px;
    padding: 10px;
  }
  .cabecalho-navegar {
    flex-wrap: wrap;
    justify-content: center;
    margin-left: 0;
    margin-top: 0;
  }
  .cabecalho-navegar a {
    font-size: 16px;
    padding: 10px;
    margin-top: 0;
    margin-right: 5px;
  }
  .cabecalho img {
    width: 140px;
    margin-left: 0;
    margin-top: 0;
  }
  .icones-container {
    margin-top: -30px;
    margin-right: 20px;
    gap: 20px;
  }
  .icons, .icons-2 {
    font-size: 20px;
  }
  .cabecalho--botao {
    width: 120px;
    font-size: 14px;
    margin-left: 35%;
    margin-top: 60px;
  }

  /* rodape */
  .rodape-container {
    flex-direction: column;
    gap: 15px;
  }
  .rodape-logo img {
    width: 120px;
  }
  .rodape-redes a {
    font-size: 22px;
  }

  /* palestra */
  .palestra-container {
    margin-left: 20px;
    margin-right: 20px;
    max-width: 100%;
  }
  .palestra-conteudo--texto {
    font-size: 14px;
  }

  /* congresso */
  .congresso h1 {
    margin: 40px 20px;
    font-size: 32px;
  }
  .conteudo-congresso {
    margin-top: 0;
    margin-bottom: 30px;
  }
  .video-grid {
    grid-template-columns: repeat(2, 1fr);
    margin-left: 1rem;
    margin-right: 1rem;
    margin-bottom: 100px;
  }
  .video-grid iframe {
    width: 100%;
    height: 180px;
  }

  /* publicações */
  .publicacoes-grid {
    grid-template-columns: 1fr;
    padding: 0 0.5rem;
  }
}

/* --- Responsividade para Celular (até 480px) --- */
@media (max-width: 480px) {
  .cabecalho {
    padding: 10px;
  }
  .cabecalho p {
    font-size: 18px;
    margin-top: 60px;
    padding: 5px;
    text-align: center;
  }
  .cabecalho-navegar {
    flex-direction: column;
    align-items: center;
    margin-left: 0;
    margin-top: 10px;
  }
  .cabecalho-navegar a {
    font-size: 14px;
    padding: 8px 0;
    margin-right: 0;
  }
  .cabecalho img {
    width: 120px;
    margin-left: 0;
    margin-top: 0;
  }
  .icones-container {
    margin-top: -20px;
    margin-right: 10px;
    gap: 15px;
  }
  .icons, .icons-2 {
    font-size: 18px;
  }
  .cabecalho--botao {
    width: 100px;
    font-size: 12px;
    margin-left: 25%;
    margin-top: 40px;
  }

  /* rodape */
  .rodape-container {
    flex-direction: column;
    gap: 10px;
  }
  .rodape-logo img {
    width: 100px;
  }
  .rodape-redes a {
    font-size: 20px;
  }

  /* palestra */
  .palestra-container {
    margin: 10px;
    max-width: 100%;
  }
  .palestra-conteudo--texto {
    font-size: 12px;
  }

  /* congresso */
  .congresso h1 {
    margin: 30px 10px;
    font-size: 26px;
  }
  .conteudo-congresso {
    margin-top: 0;
    margin-bottom: 20px;
  }
  .video-grid {
    grid-template-columns: 1fr;
    margin-left: 0.5rem;
    margin-right: 0.5rem;
    margin-bottom: 80px;
  }
  .video-grid iframe {
    width: 100%;
    height: 160px;
  }

  /* publicações */
  .publicacoes-grid {
    grid-template-columns: 1fr;
    padding: 0 0.5rem;
  }
}