:root {
  --azul: #00071c;
  --branco: #ffffff;
  --cinza: #555;
  --cinza-claro: #f7f9fc;
  --sombra: rgba(0, 7, 28, 0.15);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  background-color: var(--branco);
  color: var(--azul);
}

/* Cabeçalho */
.cabecalho-blog {
  background-color: var(--azul);
  color: var(--branco);
  text-align: center;
  padding: 3rem 1rem;
  box-shadow: 0 3px 10px var(--sombra);
}

.cabecalho-blog h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

/* Cards */
.container {
  max-width: 1100px;
  margin: 3rem auto;
  padding: 0 1.5rem;
  display: grid;
  gap: 1.5rem;
}

.card-post {
  background-color: var(--cinza-claro);
  border-radius: 15px;
  box-shadow: 0 5px 15px var(--sombra);
  overflow: hidden;
  transition: transform 0.3s ease;
  margin: 20px 0px;
  padding: 1.5rem;
}

/* Layout horizontal do card com imagem à esquerda */
.card-layout {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
}

.card-post .imagem-card {
  width: 280px;
  min-width: 280px;
  height: 200px;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.card-post .conteudo-card {
  flex: 1;
  padding: 0.5rem 1rem 1rem 0;
}

.conteudo-card h2 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.info-post {
  color: var(--cinza);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.descricao {
  color: var(--cinza);
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

.btn-leia-mais {
  display: inline-block;
  padding: 0.7rem 1.5rem;
  background-color: var(--azul);
  color: var(--branco);
  text-decoration: none;
  border-radius: 8px;
  transition: 0.3s ease;
}

.btn-leia-mais:hover {
  background-color: #00113d;
}

/* Página específica */
.container-post {
  max-width: 900px;
  margin: 3rem auto;
  padding: 0 1.5rem;
}

.post-completo img {
  width: 100%;
  height: 350px;
  object-fit: cover;
  border-radius: 15px;
  box-shadow: 0 5px 15px var(--sombra);
  margin-bottom: 2rem;
}

.post-completo h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.conteudo-post {
  font-size: 1.05rem;
  color: var(--cinza);
  line-height: 1.7;
}

.botao-voltar {
  margin-bottom: 1.5rem;
}

.botao-voltar-post{
  margin-top: 1.5rem;
  margin-bottom: 3rem;
}

.btn-voltar {
  text-decoration: none;
  color: var(--azul);
  font-weight: bold;
  border: 2px solid var(--azul);
  padding: 0.6rem 1.5rem;
  border-radius: 8px;
  transition: 0.3s ease;
}

.btn-voltar:hover {
  background-color: var(--azul);
  color: var(--branco);
}

/* Rodapé */
footer {
  text-align: center;
  padding: 2rem;
  background-color: var(--azul);
  color: var(--branco);
  margin-top: 4rem;
}

.blog-welcome {
    border-radius: 8px; 
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 1.1rem;
    line-height: 1.4;
    color: #f3f3f3;
    max-width: 700px;
    margin: 20px auto;
}

.blog-welcome p {
    margin: 0;
}

.blog-welcome p:first-child::first-letter {
    font-size: 1.3rem;
}

/* Responsivo para mobile */
@media (max-width: 768px) {
  .container-post{
    margin: 1rem auto;
  }
  
  .card-layout {
    flex-direction: column;
  }
  
  .card-post .imagem-card {
    width: 100%;
    min-width: 100%;
  }
  
  .card-post .conteudo-card {
    padding: 1.5rem;
  }
}

@media (max-width: 600px) {
    .blog-welcome {
        font-size: 0.95rem;
        line-height: 1.3;
    }
    .post-completo h1 {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
    }
}