:root {
  --azul-claro: #E1F5FE;
  --azul-escuro: #0288D1;
  --areia: #FFF8E1;
  --verde-agua: #80CBC4;
  --sombra: 0 4px 6px rgba(0, 0, 0, 0.1);
}

body {
  font-family: 'Open Sans', sans-serif;
  background-color: var(--azul-claro);
  color: #333;
  margin: 0;
  padding: 0;
}

/* Hero Section com Animação */
.hero {
  background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url('../images/hero-portugal.jpg');
  height: 100vh;
  background-size: cover;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  animation: fadeIn 2s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Botões com Efeito Hover */
.btn {
  background: var(--azul-escuro);
  color: white;
  padding: 12px 30px;
  border: none;
  border-radius: 25px;
  transition: all 0.3s;
}
.btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--sombra);
}
/* Estilos da Galeria */
.galeria {
  padding: 50px;
  background: var(--areia);
}

.grid-fotos {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
}

.grid-fotos img {
  width: 100%;
  border-radius: 8px;
  transition: transform 0.3s;
  cursor: pointer;
}

.grid-fotos img:hover {
  transform: scale(1.05);
}

/* Lightbox */
#lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

#lightbox img {
  max-width: 80%;
  max-height: 80%;
}
/* Página de Roteiros */
.rotas-destaque {
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../images/rotas-bg.jpg');
  background-size: cover;
  padding: 100px 20px;
  text-align: center;
  color: white;
}

.filtros {
  padding: 30px 20px;
  text-align: center;
  background: var(--azul-claro);
}

.filtros-botoes {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-filtro {
  padding: 8px 16px;
  border: 2px solid var(--azul-escuro);
  background: white;
  border-radius: 20px;
  cursor: pointer;
}

.btn-filtro.active {
  background: var(--azul-escuro);
  color: white;
}

.lista-rotas {
  padding: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.rota-card {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--sombra);
}

.rota-card img {
  width: 40%;
  object-fit: cover;
}

.rota-info {
  padding: 20px;
}

/* Página de Contactos */
.contacto-hero {
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../images/contactos-bg.jpg');
  background-size: cover;
  padding: 100px 20px;
  text-align: center;
  color: white;
}

.form-contacto {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  max-width: 1200px;
  margin: 50px auto;
  padding: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 5px;
}

.info-contacto {
  background: var(--areia);
  padding: 30px;
  border-radius: 10px;
}