/* ===== RESET / BASE ===== */
* {
  box-sizing: border-box;
}

html,
body {
  overflow-x: hidden;
  min-height: 100vh;
}

body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: black;
  color: white;
}

body.modal-aberto {
  overflow: hidden;
}

/* ===== HEADER ===== */
header {
  padding: 20px;
}

header nav {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

header nav ul {
  list-style: none;
  display: flex;
  gap: 25px;
  margin: 0;
  padding: 0;
}

header nav ul li a {
  color: rgb(227, 226, 226);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  transition: color 0.3s;
}

header nav ul li a:hover {
  color: #0328cb;
}

/* ===== TÍTULO COM LINHA ANIMADA ===== */
.titulo-secao {
  position: relative;
  display: inline-block;
  font-size: 2rem;
  color: white;
}

.titulo-secao::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, #00ffff, #0080ff);
  transition: width 0.5s ease;
}

.titulo-secao:hover::after {
  width: 100%;
}

/* ===== SEÇÃO ===== */
#certificados {
  padding: 100px 0 60px;
  min-height: calc(100vh - 150px);
}

.container-certificados {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.texto-certificados {
  text-align: center;
  margin-bottom: 45px;
}

.texto-certificados h1 {
  font-size: 44px;
  font-weight: bold;
  margin-bottom: 20px;
}

.subtitulo {
  color: #9a9a9a;
  font-size: 15px;
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.6;
}

.subtitulo-lista {
  display: block;
  text-align: center;
  font-size: 1.6rem;
  margin: 60px 0 25px;
}

.subtitulo-lista::after {
  left: 50%;
  transform: translateX(-50%);
}

/* ===== CARD PRINCIPAL ===== */
.card-principal {
  position: relative;
  background: linear-gradient(160deg, #0f1a1f 0%, #151313 65%);
  border: 1px solid #00ffff33;
  border-radius: 14px;
  padding: 35px 30px 30px;
  box-shadow: 0 0 40px rgba(0, 255, 255, 0.06);
}

.badge-principal {
  position: absolute;
  top: -12px;
  left: 30px;
  background-color: #0d1a1a;
  border: 1px solid #00ffff66;
  color: #00ffff;
  font-size: 11px;
  font-weight: bold;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 20px;
}

.principal-topo {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 20px;
}

.cert-icone-grande {
  font-size: 52px;
  color: #00ffff;
  flex-shrink: 0;
  margin-top: 4px;
}

.card-principal h2 {
  font-size: 28px;
  margin: 0 0 8px;
  text-shadow: 2px 2px 4px rgb(41, 44, 56);
}

/* ===== MÓDULOS ===== */
.modulos-titulo {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #8a8a8a;
  margin: 28px 0 12px;
}

.modulos-lista {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2px 25px;
}

.modulos-lista li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid #232323;
  font-size: 14px;
}

.modulo-nome {
  color: #d4d4d4;
}

.modulo-nome::before {
  content: "▸ ";
  color: #0a66c2;
}

.modulo-ver {
  background: none;
  border: none;
  color: rgb(35, 90, 207);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 6px;
  border-radius: 6px;
  transition: color 0.3s, background-color 0.3s;
  flex-shrink: 0;
}

.modulo-ver:hover,
.modulo-ver:focus-visible {
  color: #00ffff;
  background-color: #00ffff14;
}

.principal-rodape {
  margin-top: 28px;
}

.btn-cert {
  background-color: #00ffff14;
  border: 1px solid #00ffff66;
  color: #00ffff;
  font-family: inherit;
  font-size: 15px;
  font-weight: bold;
  padding: 12px 24px;
  border-radius: 10px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: all 0.3s ease;
}

.btn-cert:hover,
.btn-cert:focus-visible {
  background-color: #00ffff26;
  box-shadow: 0 0 18px rgba(0, 255, 255, 0.3);
  transform: translateY(-2px);
}

/* ===== FILTROS ===== */
.filtros {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 35px;
}

.filtro {
  background-color: #1a1a1a;
  color: #ccc;
  border: 2px solid #333;
  border-radius: 20px;
  padding: 8px 18px;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.3s ease;
}

.filtro:hover,
.filtro:focus-visible {
  color: #fff;
  border-color: #00ffff;
  transform: translateY(-2px);
}

.filtro.ativo {
  color: #fff;
  border-color: #00ffff;
  box-shadow: 0 0 10px rgba(0, 255, 255, 0.35);
}

/* ===== GRID ===== */
.certificados-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

/* ===== CARD ===== */
.card-certificado {
  background: #151313;
  border: 1px solid #333;
  border-radius: 12px;
  padding: 25px;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card-certificado[hidden] {
  display: none;
}

.card-certificado:hover {
  transform: translateY(-8px);
  border-color: #00ffff44;
  box-shadow: 0 15px 35px rgba(0, 255, 255, 0.12);
}

.cert-topo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 15px;
}

.cert-icone {
  font-size: 32px;
  color: #0a66c2;
}

.cert-carga {
  background-color: #00ffff1a;
  border: 1px solid #00ffff55;
  color: #00ffff;
  font-size: 12px;
  font-weight: bold;
  padding: 4px 12px;
  border-radius: 20px;
}

.card-certificado h3 {
  font-size: 20px;
  margin: 0 0 8px;
  line-height: 1.3;
  text-shadow: 2px 2px 4px rgb(41, 44, 56);
}

.cert-instituicao {
  font-size: 13px;
  color: #0a66c2;
  font-weight: bold;
  margin: 0 0 12px;
}

.cert-descricao {
  font-size: 14px;
  line-height: 1.6;
  color: #d4d4d4;
  margin: 0 0 20px;
}

/* ===== TAGS ===== */
.cert-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 25px;
}

.cert-tag {
  background-color: #1a1a1a;
  color: white;
  padding: 6px 14px;
  border-radius: 20px;
  border: 2px solid #333;
  font-size: 13px;
  transition: all 0.3s ease;
  cursor: default;
}

.cert-tag:hover {
  border-color: #00ffff;
  box-shadow:
    0 0 10px #00ffff,
    0 0 20px #0d25b0;
  text-shadow: 0 0 10px #0033ff;
  transform: translateY(-2px);
}

/* ===== RODAPÉ DO CARD ===== */
.cert-rodape {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 15px;
  border-top: 1px solid #2a2a2a;
}

.cert-ano {
  font-size: 13px;
  color: #8a8a8a;
  margin: 0;
}

.cert-link {
  background: none;
  border: none;
  font-family: inherit;
  color: rgb(35, 90, 207);
  font-size: 14px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 6px;
  border-radius: 6px;
  transition: color 0.3s, background-color 0.3s;
}

.cert-link:hover,
.cert-link:focus-visible {
  color: #00ffff;
  background-color: #00ffff14;
}

/* ===== MODAL ===== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal[hidden] {
  display: none;
}

.modal-fundo {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(3px);
}

.modal-caixa {
  position: relative;
  background: #101010;
  border: 1px solid #00ffff33;
  border-radius: 12px;
  padding: 18px;
  max-width: 950px;
  width: 100%;
  max-height: 92vh;
  overflow: auto;
  box-shadow: 0 0 50px rgba(0, 255, 255, 0.15);
  animation: surgir 0.25s ease;
}

@keyframes surgir {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-cabecalho {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  margin-bottom: 15px;
}

.modal-cabecalho h4 {
  margin: 0;
  font-size: 16px;
  color: #d4d4d4;
  font-weight: normal;
}

.modal-fechar {
  background: none;
  border: 1px solid #333;
  color: #ccc;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.modal-fechar:hover,
.modal-fechar:focus-visible {
  color: #00ffff;
  border-color: #00ffff;
}

.modal-imagem {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
}

/* ===== MENSAGEM VAZIA ===== */
.vazio-msg {
  text-align: center;
  color: #8a8a8a;
  font-size: 15px;
  margin-top: 40px;
}

/* ===== ACESSIBILIDADE ===== */
a:focus-visible,
button:focus-visible {
  outline: 2px solid #00ffff;
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001s !important;
    transition-duration: 0.001s !important;
  }
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 768px) {
  header nav {
    justify-content: center;
  }

  header nav ul {
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
  }

  #certificados {
    padding: 60px 0 40px;
  }

  .texto-certificados h1 {
    font-size: 30px;
  }

  .card-principal {
    padding: 30px 20px 25px;
  }

  .principal-topo {
    flex-direction: column;
    gap: 12px;
  }

  .card-principal h2 {
    font-size: 22px;
  }

  .cert-icone-grande {
    font-size: 42px;
  }

  .modulos-lista {
    grid-template-columns: 1fr;
  }

  .btn-cert {
    width: 100%;
    justify-content: center;
  }

  .certificados-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .card-certificado {
    padding: 20px;
  }

  .modal {
    padding: 10px;
  }

  .modal-caixa {
    padding: 12px;
  }
}