* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html, body {
    font-family: 'Inter', sans-serif;
    background-color: #fff;
    color: #333;
    font-size: 16px; /* valor base consistente */
    line-height: 1.5;
    box-sizing: border-box;
    height: 100%;
  }
  
 header {
  background-color: #000;
  color: white;
  display: flex;
  flex-wrap: wrap;           /* Permite quebra de linha */
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 1000;
  height: 170px; /* altura reduzida */
  gap: 20px;                 /* Espaço entre logo e nav quando quebra */
}
  
  header .logo {
    /*height: 500px;         /* reduz a altura */
    /*width: auto;          /* mantém proporção automática da largura */
    max-width: 500px;     /* opcional: limita a largura máxima */
    /*object-fit: contain;  /* garante que a imagem não distorce */
  }

  .logo-link {
    text-decoration: none;
    color: inherit;
  }
  
  .logo {
    max-height: 60px; 
    width: auto;
    height: auto;
    object-fit: contain;
  }
  
  nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;           /* << Permite quebrar linha */
    gap: 20px;
    justify-content: flex-end;
    margin: 0;
    padding: 0;
  }
  
  nav a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 4px;
    transition: background 0.3s;
    white-space: nowrap; /* Evita quebras dentro de cada botão */
  }
  
  
  nav a:hover,
  nav a.active {
    background:  #DAA520;
    color: black;
  }
  
  .hero {
    background-size: cover;
    background-position: center;
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    padding: 20px;
    transition: background-image 1s ease-in-out;
    animation: none;
    min-height: calc(100vh - 170px); /* 170px é a altura do header */
  }

  .fade-in {
    animation: fadeIn 1s ease-in-out;
  }

  @keyframes fadeIn {
    0% { opacity: 0.3; }
    100% { opacity: 1; }
  }
  
  .hero h1 {
    font-size: 48px;
    background-color: rgba(0, 0, 0, 0.5);
    padding: 20px;
    border-radius: 8px;
  }
  
  .hero-texto p {
    font-size: 18px;
    line-height: 1.6;
  }
  
  .section {
    max-width: 1200px;
    margin: auto;
    padding: 60px 40px;
  }
  
  .marcas, .graduados, .sol, .servicos, .contactos {
    display: grid;
    gap: 30px;
  }
  
  .marca-lista {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
  }
  
  .fila-marcas {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
  }
  
  
  .marca-item img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    margin-bottom: 8px;
  }
  
  .oculos-por-marca {
    display: none;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    border: 1px solid #ccc;
    padding: 30px;
    margin-top: 60px;
    border-radius: 12px;
    background-color: #f9f9f9;
  }
  
  .oculos-por-marca img {
    width: 300px;
    border-radius: 8px;
    height: 300px;
  }
  
  footer {
    background: #111;
    color: #ccc;
    text-align: center;
    padding: 30px 20px;
  }
  
  .mapa iframe {
    width: 100%;
    height: 300px;
    border-radius: 8px;
    border: none;
  }
  


  .marcacoes-container {
    max-width: 600px;
    margin: 50px auto;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.marcacoes-container h2 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 24px;
    color: #333;
}

#marcacaoForm {
    display: flex;
    flex-direction: column;
}

#marcacaoForm label {
    margin-top: 15px;
    margin-bottom: 5px;
    font-weight: bold;
    color: #555;
}

#marcacaoForm input,
#marcacaoForm textarea {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s;
}

#marcacaoForm input:focus,
#marcacaoForm textarea:focus {
    border-color: #b8860b;
    outline: none;
}

#marcacaoForm button {
    margin-top: 20px;
    padding: 12px;
    background-color: #b8860b;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#marcacaoForm button:hover {
    background-color: #a47407;
}

.resposta {
    text-align: center;
    margin-top: 15px;
    color: green;
    font-weight: bold;
}

#feedbackMsg {
  font-size: 0.9rem;
  margin-top: 10px;
}

html, body {
  height: 100%;
  margin: 0;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto; /* ocupa espaço mas sem esticar indevidamente */
}

.marca-item.marca-ativa {
  border: 2px solid gold;
  border-radius: 6px;
  padding: 4px;
  background-color: #fff;
  box-shadow: 0 0 5px rgba(255, 215, 0, 0.5);
}

.marcacao-container {
  background-color: #fff;
  padding: 30px 40px;
  border-radius: 12px;
  border: 1px solid #ccc;
  max-width: 600px;
  margin: 40px auto;
  box-shadow: 0 0 15px rgba(0,0,0,0.05);
}

#marcacaoForm label {
  margin-top: 20px;
  font-weight: 600;
  color: #333;
}

#marcacaoForm input,
#marcacaoForm textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 15px;
  background-color: #fafafa;
  transition: border-color 0.3s, background-color 0.3s;
}

#marcacaoForm input:focus,
#marcacaoForm textarea:focus {
  border-color: gold;
  background-color: #fff;
  outline: none;
}

#marcacaoForm button {
  margin-top: 25px;
  width: 100%;
  padding: 14px;
  background-color:   #c9981e;

  color: black;
  font-weight: bold;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.3s;
}

#marcacaoForm button:hover {
  background-color: #a47407;
}

#feedbackMsg {
  font-size: 14px;
  margin-top: 10px;
  text-align: center;
}

.section > h2 {
  text-align: center;
  font-size: 28px;
  margin-bottom: 40px;
}

.intro-text {
  text-align: center;
  font-size: 18px;
  color: #555;
  max-width: 800px;
  margin: 0 auto 40px auto;
  line-height: 1.6;
}

.graduados-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  justify-content: center;
}

.graduado-item {
  max-width: 300px;
  text-align: center;
}

.graduado-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 12px;
}

.graduado-item p {
  font-size: 16px;
  color: #444;
}


.marcas-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: nowrap;
  overflow-x: auto;
  width: 100%;
}

.carrossel-marcas {
  display: flex;
  overflow-x: auto;
  scroll-behavior: smooth;
  width: 2500px; /* ou o valor definido */
  max-width: 100%;
  gap: 20px;
  padding: 100px 0;
}

.marca-item {
  border: 2px solid #b8860b; /* bronze/dourado escuro */
  border-radius: 8px;
  flex: 0 0 auto;
  width: 200px;
  text-align: center;
  cursor: pointer;
}

.seta {
  background: none;
  border: none;
  font-size: 30px;
  color: #000;
  cursor: pointer;
  padding: 10px;
  z-index: 2;
  position: relative; /* NÃO usar absolute */
}

.carrossel-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  margin-bottom: 50px;
  flex-wrap: nowrap;
}

.oculos-por-marca-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  border: 1px solid #ccc;
  padding: 30px;
  margin-top: 40px;
  border-radius: 12px;
  background-color: #f9f9f9;
  width: 100%;
  box-sizing: border-box;
}

#marcas.section {
  display: flex;
  flex-direction: column;
  align-items: center;
}

header.break {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: auto;
  padding: 20px 10px;
  text-align: center;
}

header.break .logo-link {
  order: -1;
  margin-bottom: 10px;
}

header.break nav ul {
  justify-content: center;
  flex-wrap: wrap;
}


@media (max-width: 768px) {

  header {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 15px 10px;
    height: auto;
    text-align: center;
    width: 100%;
     text-align: center;
  }

  .logo {
    max-width: 180px;
    height: auto;
    margin-bottom: 10px;
  }


  nav ul {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 0;
    margin: 0;
    width: 100%;
  }

  nav li {
    width: 100%;
    text-align: center;
  }

  nav a {
    display: block;
    padding: 10px 0;
    font-size: 15px;
    white-space: normal;
    word-break: break-word;
  }

  .carrossel-container {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .carrossel-marcas {
    flex-direction: column;
    overflow-x: hidden;
    width: 100%;
    padding: 0;
    gap: 15px;
  }
  .marca-item {
    border: 2px solid #b8860b; /* bronze/dourado escuro */
    border-radius: 8px;
    padding: 10px;
    background-color: #fff;
    flex-direction: column;
    overflow-x: hidden;
    width: 100%;
  }

  .seta {
    display: none;
  }

  footer {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px 10px;
    gap: 10px;
    width: 100%;
  }

  footer img {
    max-width: 80px;
    height: auto;
  }

  #graduados .graduados-grid {
    grid-template-columns: 1fr;
    padding: 0 20px;
    justify-content: center;
  }

  #graduados .graduado-item {
    width: 90%;
    max-width: 500px;
    padding: 20px;
    border: 2px solid #D4A017; /* bronze */
    border-radius: 12px;
    margin: 20px auto;
    background-color: #fff;
  }

  #graduados .graduado-item img {
    border: 2px solid #b8860b;
    border-radius: 8px;
    max-width: 80%;
    margin-bottom: 15px;
  }

  #graduados h3 {
    font-size: 18px;
    margin-top: 10px;
    margin-bottom: 10px;
    color: #333;
    width: 100%;
    height: auto;
    border-radius: 8px;
  }

  #graduados p {
    font-size: 15px;
    line-height: 1.5;
  }
}