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

body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #f4f4f4;
  color: #333;
  padding-top: 80px; /* Espaço para o header fixo */
  padding-bottom: 60px; /* Espaço para o footer fixo */
}

body.dark-mode {
  background-color: #181c24;
  color: #e0e0e0;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: #4a90e2;
  color: white;
  padding: 0.4rem 1.2rem;
  text-align: left;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

body.dark-mode header {
  background: #232a36;
  color: #fff;
  box-shadow: 0 4px 6px rgba(0,0,0,0.25);
}

.header-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  min-height: 48px;
}

.header-title {
  font-size: 2rem;
  font-weight: bold;
  margin-right: 2rem;
  white-space: nowrap;
  display: flex;
  align-items: center;
  height: 48px;
}

body.dark-mode .header-title {
  color: #fff;
}

#search-bar-container {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 48px;
}

#search-bar {
  padding: 0.4em 0.8em;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 1em;
  width: 220px;
  margin: 0 0.5em;
  height: 36px;
  box-sizing: border-box;
  display: flex;
  align-items: center;
}

body.dark-mode #search-bar {
  background: #232a36;
  color: #e0e0e0;
  border: 1px solid #444;
}

#contatos {
  display: flex;
  gap: 1.2em;
  align-items: center;
  margin-top: 0;
  height: 48px;
}

#contatos a img {
  height: 2em;
  width: 2em;
  min-width: 2em;
  min-height: 2em;
  max-width: 2em;
  max-height: 2em;
  object-fit: contain;
  transition: transform 0.2s;
  vertical-align: middle;
}

#contatos a:hover img {
  transform: scale(1.15);
}

footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: #4a90e2;
  color: white;
  text-align: center;
  padding: 1.2rem 2rem 1.2rem 2rem;
  box-shadow: 0 -4px 6px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

body.dark-mode footer {
  background: #232a36;
  color: #fff;
  box-shadow: 0 -4px 6px rgba(0,0,0,0.25);
}

.footer-text {
  flex: 1;
  font-size: 1.25rem;
  font-weight: 500;
  text-align: center;
}

body.dark-mode .footer-text {
  color: #fff;
}

.footer-contatos {
  display: flex;
  gap: 1.2em;
  align-items: center;
  margin-left: auto;
}

.footer-contatos a img {
  height: 2.1em;
  width: 2.1em;
  min-width: 2.1em;
  min-height: 2.1em;
  max-width: 2.1em;
  max-height: 2.1em;
  object-fit: contain;
  transition: transform 0.2s;
  vertical-align: middle;
}

body.dark-mode .footer-contatos a img {
  filter: brightness(0.8) invert(0.8);
}

.footer-contatos a:hover img {
  transform: scale(1.15);
}

.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  padding: 2rem;
}

.card {
  background-color: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  transition: transform 0.2s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}

body.dark-mode .card {
  background: #232a36;
  color: #e0e0e0;
  box-shadow: 0 4px 8px rgba(0,0,0,0.25);
}

.card:hover {
  transform: scale(1.02);
}

.card img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4; /* Define uma proporção fixa para as imagens */
  object-fit: cover; /* Garante que a imagem preencha o espaço sem distorção */
  object-position: center; /* Centraliza a imagem dentro do contêiner */
}

.card-content {
  padding: 1rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  justify-content: flex-end;
}

.card-content h2 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  flex: 1 1 auto;
}

.card-content a {
  display: block;
  margin-top: auto;
  padding: 0.6rem 1rem;
  background-color: #4a90e2;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  transition: background 0.3s;
}

body.dark-mode .card-content a {
  background: #357ab8;
  color: #fff;
}

.card-content a:hover {
  background-color: #357ab8;
}

body.dark-mode .card-content a:hover {
  background: #4a90e2;
}

.contribuicao {
  position: fixed;
  bottom: 10%;
  right: 2%;
  background-color: rgba(255, 255, 255, 0.9);
  padding: 1rem;
  border: 1px solid #ddd;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  text-align: center;
}

body.dark-mode .contribuicao {
  background: #232a36 !important;
  color: #e0e0e0 !important;
  border-color: #357ab8 !important;
}

.contribuicao p {
  margin: 0 0 0.5rem;
  font-size: 0.9rem;
  color: #333;
}

.contribuicao button {
  padding: 0.5rem 1rem;
  background-color: #4a90e2;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background 0.3s;
}

body.dark-mode .contribuicao button {
  background: #e0e0e0;
  color: #232a36;
}

.contribuicao button:hover {
  background-color: #357ab8;
}

body.dark-mode .modal-carrossel,
body.dark-mode .modal-carrossel-overlay,
body.dark-mode .modal {
  background: #232a36 !important;
  color: #e0e0e0 !important;
  border-color: #357ab8 !important;
}

body.dark-mode .modal-carrossel {
  box-shadow: 0 8px 16px rgba(0,0,0,0.35) !important;
}

@media (max-width: 700px) {
  .header-title {
    font-size: 1.2rem;
  }
  #search-bar {
    width: 120px;
    font-size: 0.9em;
  }
  #contatos a img, .footer-contatos a img {
    height: 1.3em;
    width: 1.3em;
    min-width: 1.3em;
    min-height: 1.3em;
    max-width: 1.3em;
    max-height: 1.3em;
  }
  .header-flex {
    min-height: 36px;
  }
  .footer-text {
    font-size: 1em;
    text-align: center;
    width: 100%;
  }
  footer {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0.7em;
    padding: 1.2rem 0.7rem 1.2rem 0.7rem;
  }
  .footer-contatos {
    margin-left: 0 !important;
    justify-content: center;
  }
  #btn-contribuicoes {
    margin-right: 0 !important;
    margin-bottom: 0.3em;
    width: 100%;
    max-width: 320px;
    align-self: center;
  }
}