/* Reset e base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background-color: #0a0c10;
  color: #ffffff;
  overflow-x: hidden;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 20px;
  padding: 20px;
  background-color: rgba(0, 0, 0, 0.5);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header img {
  height: 100px;
}

.header a {
  color: #ffffff;
  font-size: 18px;
  text-decoration: none;
  transition: color 0.3s, font-size 0.3s;
  cursor: pointer;
}

.header a:hover {
  color: #c51111;
  font-size: 24px;
}

/* Seções principais */
section {
  padding: 100px 20px 60px;
  scroll-margin-top: 120px; /* Resolve sobreposição com header */
  text-align: center;
}

#home, #energia, #gojo {
  max-width: 900px;
  margin: 0 auto;
}

/* Conteúdo e imagens */
.jujutsu-logo {
  max-width: 100%;
  height: auto;
  margin-bottom: 20px;
}

.logo-jujutsu2 {
  max-width: 100%;
  height: auto;
  margin: 20px auto;
  display: block;
}

/* Botões */
button {
  color: #ffffff;
  background-color: #c51111;
  border-radius: 5px;
  border: none;
  padding: 15px 25px;
  cursor: pointer;
  text-transform: uppercase;
  font-weight: bold;
  transition: background 0.3s;
  margin-top: 20px;
}

button:hover {
  background-color: #ff1f1f;
}

/* Caixa principal */
.caixa-mae {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  padding: 50px 20px;
  gap: 40px;
  text-align: center;
  min-height: 100vh;
}

.caixa-principal {
  width: 100%;
  max-width: 600px;
  padding: 20px;
}

/* Vídeo de fundo */
.caixa-video video {
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  position: fixed;
  top: 0;
  left: 0;
  z-index: -2;
}

.mascara {
  visibility: hidden;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: linear-gradient(109deg, rgba(10, 12, 16, 0.99) 15%, rgba(10, 12, 16, 0.7) 50%, rgba(10, 12, 16, 0.99) 85%);
  z-index: -1;
}

/* Formulário */
.formulario-fale-conosco {
  background-color: #ffffff;
  color: #000000;
  display: flex;
  flex-direction: column;
  gap: 15px;
  position: fixed;
  top: 30%;
  left: -300px;
  transform: translateY(-50%);
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
  transition: left 0.5s ease-in-out;
  z-index: 20;
}

input,
textarea {
  padding: 10px;
  border-radius: 5px;
  border: 1px solid #ccc;
  width: 100%;
  outline-color: #18d80f;
  font-size: 16px;
}

textarea {
  resize: none;
  height: 100px;
}

/* Máscara formulário */
.mascaraformulario {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.7);
  visibility: hidden;
  z-index: 15;
  transition: visibility 0.5s ease-in-out;
}

/* Parágrafos */
p {
  font-size: 18px;
  line-height: 1.5;
  margin: 10px 0;
  text-align: justify;
}

/* WhatsApp fixo */
.link-whatsapp img {
  height: 60px;
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 100;
}

/* Responsividade */
@media (max-width: 768px) {
  .caixa-mae {
    flex-direction: column;
    padding: 20px;
  }

  .header {
    flex-direction: column;
    align-items: center;
  }

  .header img {
    display: none;
  }

  .formulario-fale-conosco {
    width: 90vw;
  }
}