/* Invest1M — design escuro sóbrio para conteúdo financeiro/noticioso */

:root {
  --bg: #0a0e1a;
  --bg-elev: #141a2e;
  --bg-elev-2: #1c2340;
  --linha: #2a3252;
  --texto: #e8eaed;
  --texto-fraco: #9aa3b8;
  --acento: #f0b90b;
  --acento-hover: #ffc91f;
  --verde: #16c784;
  --vermelho: #ea3943;
  --azul: #4f8df9;
  --sombra: 0 4px 16px rgba(0, 0, 0, 0.4);
  --raio: 10px;
}

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

html, body {
  background: var(--bg);
  color: var(--texto);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

/* TOPO */
.topo {
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--linha);
  position: sticky;
  top: 0;
  z-index: 100;
}

.topo-conteudo {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.logo {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.logo span {
  color: var(--acento);
}

.nav-principal {
  display: flex;
  gap: 8px;
}

.nav-btn {
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--texto-fraco);
  transition: all 0.15s;
}

.nav-btn:hover {
  color: var(--texto);
  background: var(--bg-elev);
}

.nav-btn.ativo {
  color: var(--acento);
  background: var(--bg-elev);
}

/* MAIN */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

.secao {
  display: none;
  animation: fadeIn 0.2s ease;
}

.secao.ativa {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.secao-titulo {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

/* HERO */
.hero {
  padding: 48px 0 32px;
  border-bottom: 1px solid var(--linha);
  margin-bottom: 32px;
}

.hero-data {
  color: var(--acento);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.hero h2 {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 12px;
  line-height: 1.15;
}

.hero-sub {
  color: var(--texto-fraco);
  font-size: 18px;
  max-width: 640px;
}

/* BLOCOS */
.bloco-titulo {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--texto-fraco);
  margin-bottom: 16px;
}

.destaques, .categorias-home {
  margin-bottom: 48px;
}

/* GRADE DE CARDS (últimas edições) */
.grade-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.card-edicao {
  background: var(--bg-elev);
  border: 1px solid var(--linha);
  border-radius: var(--raio);
  padding: 20px;
  cursor: pointer;
  transition: all 0.15s;
  text-align: left;
  width: 100%;
}

.card-edicao:hover {
  background: var(--bg-elev-2);
  border-color: var(--acento);
  transform: translateY(-2px);
}

.card-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 8px;
  border-radius: 4px;
  background: rgba(240, 185, 11, 0.15);
  color: var(--acento);
  margin-bottom: 12px;
}

.card-titulo {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 8px;
}

.card-resumo {
  font-size: 14px;
  color: var(--texto-fraco);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-data {
  font-size: 12px;
  color: var(--texto-fraco);
  margin-top: 12px;
}

/* GRADE DE CATEGORIAS (home) */
.grade-categorias {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.categoria-card {
  background: var(--bg-elev);
  border: 1px solid var(--linha);
  border-radius: var(--raio);
  padding: 24px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all 0.15s;
}

.categoria-card:hover {
  background: var(--bg-elev-2);
  border-color: var(--acento);
  transform: translateY(-2px);
}

.cat-icone {
  font-size: 32px;
  margin-bottom: 4px;
}

.cat-nome {
  font-size: 17px;
  font-weight: 700;
}

.cat-desc {
  font-size: 13px;
  color: var(--texto-fraco);
}

/* ABAS */
.abas {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--linha);
  margin-bottom: 24px;
  overflow-x: auto;
}

.aba {
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--texto-fraco);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
  transition: all 0.15s;
}

.aba:hover {
  color: var(--texto);
}

.aba.ativa {
  color: var(--acento);
  border-bottom-color: var(--acento);
}

/* LISTA DE EDIÇÕES (vertical) */
.lista-edicoes {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.lista-edicoes .card-edicao {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 16px;
  align-items: start;
}

.lista-edicoes .card-data-lateral {
  font-size: 13px;
  color: var(--texto-fraco);
  font-weight: 600;
}

/* VAZIO */
.vazio {
  color: var(--texto-fraco);
  padding: 32px 0;
  text-align: center;
  font-style: italic;
}

/* MODAL */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-overlay.oculto {
  display: none;
}

.modal-caixa {
  background: var(--bg-elev);
  border: 1px solid var(--linha);
  border-radius: 14px;
  max-width: 820px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--sombra);
}

.modal-topo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--linha);
}

.modal-categoria {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--acento);
}

.modal-fechar {
  font-size: 28px;
  font-weight: 300;
  color: var(--texto-fraco);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  transition: all 0.15s;
}

.modal-fechar:hover {
  background: var(--bg-elev-2);
  color: var(--texto);
}

.modal-conteudo {
  padding: 32px;
  overflow-y: auto;
  flex: 1;
}

.modal-conteudo h1, .modal-conteudo h2, .modal-conteudo h3 {
  margin: 20px 0 12px;
  line-height: 1.3;
}

.modal-conteudo h1 { font-size: 28px; }
.modal-conteudo h2 { font-size: 22px; }
.modal-conteudo h3 { font-size: 18px; color: var(--acento); }

.modal-conteudo p {
  margin-bottom: 14px;
  color: var(--texto);
}

.modal-conteudo ul, .modal-conteudo ol {
  margin: 0 0 16px 24px;
}

.modal-conteudo li {
  margin-bottom: 6px;
}

.modal-conteudo strong {
  color: var(--acento);
}

.modal-conteudo .meta {
  color: var(--texto-fraco);
  font-size: 13px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--linha);
}

/* RODAPÉ */
.rodape {
  text-align: center;
  padding: 24px;
  border-top: 1px solid var(--linha);
  color: var(--texto-fraco);
  font-size: 13px;
  margin-top: 48px;
}

/* RESPONSIVO */
@media (max-width: 720px) {
  .hero h2 { font-size: 28px; }
  .hero-sub { font-size: 16px; }
  .topo-conteudo { padding: 12px 16px; }
  main { padding: 24px 16px 64px; }
  .secao-titulo { font-size: 24px; }
  .lista-edicoes .card-edicao { grid-template-columns: 1fr; gap: 8px; }
  .modal-conteudo { padding: 20px; }
}