/* ====== VARIÁVEIS E CONFIGURAÇÕES GLOBAIS ====== */
:root {
  --primary-color: #1f4e5b;
  --secondary-color: #dca148;
  --accent-color: #c86438;
  --brand-teal: #1f4e5b;
  --brand-terracotta: #c86438;
  --brand-ochre: #dca148;
  --surface-color: #ffffff;
  --background-color: #f4f1ea;
  --text-muted: #687277;
  --success-color: #2a8a5d;
  --danger-color: #d9534f;
  --text-light: #ffffff;
  --text-dark: #2b2d2f;
  --shadow-light: 0 3px 10px rgba(31, 78, 91, 0.1);
  --shadow-medium: 0 8px 20px rgba(31, 78, 91, 0.14);
  --shadow-heavy: 0 12px 25px rgba(31, 78, 91, 0.18);
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

/* ====== ESTRUTURA PRINCIPAL ====== */
header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--primary-color);
  box-shadow: var(--shadow-medium);
}

html,
body {
  height: 100%;
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
  background-color: var(--background-color);
  color: var(--text-dark);
}

main {
  flex: 1;
  padding-top: 80px; /* Espaço para o header fixo */
  padding-bottom: 20px;
}

footer {
  background-color: var(--primary-color);
  color: var(--text-light);
  text-align: center;
  padding: 15px 0;
  width: 100%;
}

.container-footer p {
  color: var(--text-light);
  font-size: clamp(12px, 3vw, 16px);
  margin: 0;
}

.container-footer p span {
  color: var(--brand-ochre);
}

/* ====== NAVEGAÇÃO ====== */
.nav-link {
  color: var(--text-light) !important;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--brand-ochre) !important;
}

.dropdown-menu {
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-medium);
}

/* ====== HERO SECTION ====== */
.hero-section {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-section.hero-with-filter-message {
  padding-bottom: 1.5rem;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5));
  z-index: 1;
}

.hero-section .container {
  position: relative;
  z-index: 2;
}

/* ====== MOTOR DE BUSCA ====== */
.search-box {
  background: var(--surface-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-heavy);
  padding: 2rem;
  margin: 20px auto;
}

.search-box h3 {
  color: var(--primary-color);
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.form-control,
.form-select {
  border-radius: 8px;
  border: 1px solid #dee2e6;
  padding: 12px;
  font-size: 16px;
  box-shadow: var(--shadow-light);
  transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 0.2rem rgba(200, 100, 56, 0.2);
}

.btn-primary {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  padding: 12px 24px;
  font-weight: 600;
  transition: var(--transition);
}

.btn-primary:hover {
  background-color: #a84f2c;
  border-color: #a84f2c;
  transform: translateY(-2px);
}

/* ====== CARDS E SEÇÕES ====== */
.eventos,
.dicas-noticias {
  padding: 3rem 0;
}

.card {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  transition: var(--transition);
  overflow: hidden;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-heavy);
}

.card-img-top {
  height: 200px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.card:hover .card-img-top {
  transform: scale(1.05);
}

.card-body {
  padding: 1.5rem;
}

.card-title {
  color: var(--primary-color);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.card-text {
  color: var(--text-muted);
  line-height: 1.6;
}

.badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.5em 0.75em;
}

/* ====== RESULTADOS DA BUSCA ====== */
.resultados-busca {
  padding: 3rem 0;
}

#resultadosBusca .card {
  margin-bottom: 1.5rem;
}

#resultadosBusca .card-title {
  color: var(--brand-teal);
  font-size: clamp(16px, 4vw, 18px);
}

#resultadosBusca .card-text {
  font-size: clamp(13px, 3vw, 14px);
}

/* ====== BOTÕES E LINKS ====== */
.btn-outline-primary {
  border-color: var(--accent-color);
  color: var(--accent-color);
  transition: var(--transition);
}

.btn-outline-primary:hover {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  transform: translateY(-2px);
}

.btn-success {
  background-color: var(--success-color);
  border-color: var(--success-color);
}

.btn-danger {
  background-color: var(--danger-color);
  border-color: var(--danger-color);
}

.btn-link {
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.btn-link:hover {
  text-decoration: underline;
  transform: translateX(3px);
}

/* ====== RESPONSIVIDADE ====== */
@media (min-width: 768px) {
  main {
    padding-top: 100px;
  }

  .search-box {
    margin: 40px auto;
  }

  .hero-section {
    padding: 100px 0;
  }
}

@media (max-width: 767.98px) {
  main {
    padding-top: 70px;
  }

  .search-box {
    padding: 1.5rem;
    margin: 15px;
  }

  .card-img-top {
    height: 150px;
  }

  .eventos,
  .dicas-noticias {
    padding: 2rem 0;
  }
}

@media (max-width: 480px) {
  main {
    padding-top: 60px;
  }

  .search-box {
    padding: 1rem;
    margin: 10px;
  }

  .card-body {
    padding: 1rem;
  }

  .btn-primary,
  .btn-outline-primary {
    width: 100%;
    margin-top: 0.5rem;
  }
}

@media (max-width: 320px) {
  .search-box {
    padding: 0.75rem;
    margin: 5px;
  }

  #resultadosBusca .card img {
    height: 120px;
  }
}

/* Para tablets em modo retrato */
@media (min-width: 768px) and (max-width: 1024px) and (orientation: portrait) {
  .search-box {
    padding: 1.5rem;
  }

  .card-img-top {
    height: 180px;
  }
}

/* Animações suaves */
.fade-in {
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Melhorias de acessibilidade */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus visível para acessibilidade */
.btn:focus,
.form-control:focus,
.form-select:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}