@font-face { font-family: "Geist"; src: url("fonts/geist-100-900.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Instrument Serif"; src: url("fonts/instrument-serif-400-italic.woff2") format("woff2"); font-style: italic; font-display: swap; }

:root {
  --fundo: #070606;
  --painel: rgba(21, 17, 13, 0.72);
  --painel-forte: #15110d;
  --borda: rgba(245, 240, 232, 0.09);
  --tinta: #f5f0e8;
  --tinta-suave: #8a817a;
  --acento: #ff6a1a;
  --acento-tinta: #0a0603;
  --raio: 18px;
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--fundo);
  color: var(--tinta);
  font: 400 16px/1.6 "Geist", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
#fundo { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -1; }
a { color: inherit; }
button, input { font: inherit; }
em.serif { font-family: "Instrument Serif", Georgia, serif; font-style: italic; font-weight: 400; color: var(--acento); letter-spacing: 0; }

.topo { max-width: 1040px; margin: 0 auto; padding: 22px 16px 0; }
.marca { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; font-weight: 500; letter-spacing: -0.4px; }
.marca b { font-weight: 500; color: var(--tinta-suave); }

main { max-width: 1040px; margin: 0 auto; padding: 48px 16px 72px; }
.cabeca { text-align: center; max-width: 640px; margin: 0 auto 32px; }
h1 { font-size: clamp(40px, 7vw, 64px); line-height: 1.02; letter-spacing: -1.8px; font-weight: 600; margin: 0 0 14px; }
.cabeca p { color: var(--tinta-suave); margin: 0; font-size: 17px; }

.busca { display: block; position: relative; margin: 0 auto 16px; }
.busca input {
  width: 100%; padding: 15px 18px 15px 46px; border-radius: 999px;
  background: var(--painel); border: 1px solid var(--borda); color: var(--tinta);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); outline: none;
}
.busca input:focus { border-color: var(--acento); }
.busca svg { position: absolute; left: 18px; top: 50%; transform: translateY(-50%); color: var(--tinta-suave); }

.filtros { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 28px; }
.filtro {
  padding: 8px 16px; border-radius: 999px; border: 1px solid var(--borda);
  background: var(--painel); color: var(--tinta-suave); cursor: pointer;
  font-size: 12px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase;
}
.filtro:hover { color: var(--tinta); }
.filtro[aria-pressed="true"] { background: var(--tinta); color: var(--acento-tinta); border-color: var(--tinta); }

.grade { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.cartao {
  display: flex; flex-direction: column; gap: 10px; padding: 24px; border-radius: var(--raio);
  background: var(--painel); border: 1px solid var(--borda); text-decoration: none;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  transition: border-color .2s, transform .2s;
}
a.cartao:hover { border-color: rgba(255, 106, 26, 0.5); transform: translateY(-2px); }
.cartao.destaque { grid-column: 1 / -1; padding: 30px; background: linear-gradient(135deg, rgba(255,106,26,0.16), var(--painel) 55%); }
.linha-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.tag { font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; padding: 4px 9px; border-radius: 6px; background: rgba(245,240,232,0.07); }
.formato { margin-left: auto; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--tinta-suave); }
.cartao h2 { font-size: 22px; line-height: 1.2; letter-spacing: -0.5px; font-weight: 600; margin: 4px 0 0; }
.destaque h2 { font-size: clamp(26px, 4vw, 34px); max-width: 720px; }
.cartao p { margin: 0; color: var(--tinta-suave); }
.numeros { display: flex; gap: 32px; margin-top: 8px; }
.numeros strong { display: block; font-size: 26px; font-weight: 600; letter-spacing: -0.5px; }
.numeros span { font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--tinta-suave); }
.ver { margin-top: auto; padding-top: 8px; font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--acento); }
.vazio { grid-column: 1 / -1; text-align: center; color: var(--tinta-suave); padding: 40px 0; }

.botao {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 24px; border-radius: 999px; border: 0; cursor: pointer; text-decoration: none;
  background: var(--acento); color: var(--acento-tinta); font-weight: 600; font-size: 14px;
}
.botao:hover { filter: brightness(1.08); }

/* Página de material */
.material { max-width: 720px; margin: 0 auto; }
.material h1 { font-size: clamp(32px, 6vw, 48px); letter-spacing: -1.2px; text-align: center; }
.material .formato-topo { text-align: center; font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--tinta-suave); margin-bottom: 32px; }
.bloco { padding: 22px 24px; border-radius: var(--raio); background: var(--painel); border: 1px solid var(--borda); margin-bottom: 14px; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.bloco p { margin: 0; }
.bloco .lista { margin: 12px 0 0; padding-left: 20px; }
.bloco .lista li + li { margin-top: 8px; }
.bloco-cab { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.num { flex: none; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; font-size: 13px; font-weight: 600; background: rgba(255,106,26,0.14); color: var(--acento); }
.bloco h3 { margin: 0; font-size: 18px; font-weight: 600; letter-spacing: -0.3px; }
.copiar { margin-left: auto; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--borda); background: transparent; color: var(--tinta); font-size: 12px; cursor: pointer; }
.copiar:hover { border-color: var(--acento); color: var(--acento); }
pre.prompt { margin: 0; white-space: pre-wrap; font: 400 14px/1.6 "Geist", system-ui, sans-serif; background: rgba(0,0,0,0.35); border-radius: 12px; padding: 16px; color: var(--tinta); }
.porque { margin-top: 12px !important; color: var(--tinta-suave); font-size: 14px; }
.porque b { color: var(--tinta); font-weight: 600; }
.bloco.nota { border-color: rgba(255,106,26,0.4); }
.bloco.nota h3 { color: var(--acento); margin-bottom: 6px; }
.bloco.cta { text-align: center; }
.bloco.cta p { margin-bottom: 16px; }

.trancado { position: relative; }
.trancado .borrado { filter: blur(6px); user-select: none; pointer-events: none; max-height: 360px; overflow: hidden; -webkit-mask-image: linear-gradient(#000 30%, transparent); mask-image: linear-gradient(#000 30%, transparent); }
.portao { text-align: center; padding: 30px 24px; border-radius: var(--raio); background: var(--painel-forte); border: 1px solid var(--borda); margin-top: -120px; position: relative; }
.portao h3 { margin: 0 0 6px; font-size: 22px; font-weight: 600; letter-spacing: -0.4px; }
.portao p { margin: 0 auto 18px; color: var(--tinta-suave); max-width: 440px; }
.portao form { display: flex; flex-direction: column; gap: 10px; max-width: 380px; margin: 0 auto; }
.portao input { padding: 14px 18px; border-radius: 999px; border: 1px solid var(--borda); background: rgba(0,0,0,0.4); color: var(--tinta); outline: none; }
.portao input:focus { border-color: var(--acento); }
.portao small { display: block; margin-top: 14px; color: var(--tinta-suave); font-size: 12px; }
.pote { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.erro { color: #ff8a5c; font-size: 13px; min-height: 1em; }
.voltar { display: block; text-align: center; margin-top: 32px; color: var(--tinta-suave); font-size: 14px; }

.rodape { text-align: center; color: var(--tinta-suave); font-size: 12px; padding: 0 16px 32px; }
#aviso { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); opacity: 0; transition: .25s; background: var(--tinta); color: var(--acento-tinta); padding: 10px 18px; border-radius: 999px; font-size: 14px; font-weight: 500; pointer-events: none; }
#aviso.ver-aviso { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 720px) {
  main { padding-top: 32px; }
  .grade { grid-template-columns: 1fr; }
  .cartao, .cartao.destaque, .bloco { padding: 20px; }
  .numeros { gap: 20px; }
  .formato { margin-left: 0; width: 100%; }
}
@media (prefers-reduced-motion: reduce) { a.cartao:hover { transform: none; } }