:root {
  --cor-fundo: #111;
  --cor-texto: #eee;
  --cor-primaria: red;
  --cor-primaria-escura: darkred;
  --cor-header: #222;
  --cor-secundaria: #444;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background-color: var(--cor-fundo);
  color: var(--cor-texto);
  line-height: 1.6;
}

header {
  background: var(--cor-header);
  color: #fff;
  padding: 15px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 3px solid var(--cor-primaria);
}

header img {
  height: 60px;
  width: auto;
}

header h1 {
  font-size: 1.8rem;
  flex-grow: 1;
  text-align: center;
}

/* ===== Menu ===== */
.menu-btn {
  font-size: 24px;
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  display: none; /* só aparece no mobile */
}

.menu-nav {
  text-align: center;
  background: var(--cor-fundo);
  padding: 10px;
}

.menu-nav a {
  color: #fff;
  text-decoration: none;
  margin: 0 10px;
  font-weight: bold;
  transition: color 0.3s;
}

.menu-nav a:hover {
  color: var(--cor-primaria);
}

/* ===== Conteúdo ===== */
section {
  padding: 40px 20px;
  max-width: 1000px;
  margin: auto;
}

section h2 {
  text-align: center;
  margin-bottom: 20px;
  color: var(--cor-primaria);
}

.texto-central {
  text-align: center;
}

/* ===== Galeria ===== */
.galeria {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 15px;
}

.galeria img {
  width: 100%;
  border-radius: 8px;
  border: 2px solid var(--cor-secundaria);
}

/* ===== Eventos ===== */
.lista-eventos {
  list-style: none;
  text-align: center;
}

/* ===== Formulário ===== */
form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 400px;
  margin: auto;
}

form input, form textarea {
  padding: 10px;
  border: none;
  border-radius: 5px;
  outline: none;
}

form button {
  padding: 12px;
  background: var(--cor-primaria);
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-weight: bold;
  transition: background 0.3s;
}

form button:hover {
  background: var(--cor-primaria-escura);
}

/* ===== Rodapé ===== */
footer {
  background: var(--cor-header);
  color: #bbb;
  text-align: center;
  padding: 15px;
  margin-top: 20px;
  font-size: 0.9rem;
}

/* ===== Botão Flutuante ===== */
#btnTopo {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: none;
  background: var(--cor-primaria);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 45px;
  height: 45px;
  cursor: pointer;
  font-size: 20px;
}

/* ===== Responsividade ===== */
@media (max-width: 768px) {
  header h1 {
    font-size: 1.4rem;
  }

  .menu-btn {
    display: block;
  }

  .menu-nav {
    display: none;
    flex-direction: column;
    gap: 10px;
  }

  .menu-nav.active {
    display: flex;
  }
}
.btn-instagram {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: #E1306C; /* cor oficial do Insta */
  color: #fff;
  font-weight: bold;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.3s;
}
.btn-instagram:hover {
  background: #c82361;
}
.btn-instagram svg {
  flex-shrink: 0;
}