/*
  Tema monocromático inspirado na Prada.
  Carregado depois de styles.css e do <style> inline da home para sobrescrever
  a paleta verde/rosa: preto e branco, fonte grotesca neutra, caixas retas,
  linhas finas de 1px e rótulos em caixa alta com espaçamento largo.
*/
:root {
  --ink: #000000;
  --forest: #000000;
  --mint: #ffffff;
  --cream: #ffffff;
  --pink: #000000;
  --lime: #ffffff;
  --white: #ffffff;
  --muted: #6e6e6e;
  --grey: #f2f2f2;
  --line: #e0e0e0;
  --soft: #ffffff;
  --shadow: none;
  --font: "Helvetica Neue", Helvetica, "Inter", Arial, sans-serif;
}

body {
  background: #fff;
  color: #000;
  font-family: var(--font);
  font-weight: 400;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
}
.display,
h1, h2, h3,
.news-card h3,
.featured-art::before,
.ai-wrap::after {
  font-family: var(--font);
}
.display { letter-spacing: -.01em; font-weight: 400; }
h1, h2, h3 { font-weight: 400; }
::selection { background: #000; color: #fff; }

/* Header: branco, logotipo centralizado, links em caixa alta */
.topbar {
  background: #fff;
  backdrop-filter: none;
  border-bottom: 1px solid var(--line);
}
.nav { min-height: 64px; position: relative; }
.brand {
  color: #000;
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: .32em;
  gap: 0;
}
.brand-mark { display: none; }
.nav-links {
  color: #000;
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  gap: 28px;
}
.nav-links a { padding-bottom: 2px; border-bottom: 1px solid transparent; }
.nav-links a:hover { border-bottom-color: #000; }
.menu { border-radius: 0; border-color: #000; color: #000; }
.cta-md {
  background: #000;
  color: #fff;
  border-radius: 0;
  box-shadow: none;
  font-weight: 500;
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: 12px 22px;
}
@media (min-width: 760px) {
  .brand { position: absolute; left: 50%; transform: translateX(-50%); }
  .nav { justify-content: space-between; }
  .nav-links { order: -1; }
}

/* Botões: retangulares, pretos ou com contorno */
.btn,
.searchbar button {
  border-radius: 0;
  font-weight: 500;
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  padding: 15px 28px;
  box-shadow: none;
  transition: background .2s ease, color .2s ease;
}
.btn:hover { transform: none; }
.btn-primary { background: #fff; color: #000; border: 1px solid #fff; }
.btn-primary:hover { background: transparent; color: #fff; }
.btn-secondary { background: transparent; color: #fff; border: 1px solid #fff; }
.btn-secondary:hover { background: #fff; color: #000; }
.btn-dark,
.searchbar button { background: #000; color: #fff; border: 1px solid #000; }
.btn-dark:hover,
.searchbar button:hover { background: #fff; color: #000; }
.btn-sm { padding: 10px 18px; }
.topbar .btn-primary { background: #000; color: #fff; border-color: #000; }
.topbar .btn-primary:hover { background: #fff; color: #000; }

/* Hero: bloco preto em tela cheia, tipografia grande e leve */
.hero { background: #000; }
.hero::before { display: none; }
.eyebrow,
.signal-tag,
.eyebrow-dark {
  color: inherit;
  font-weight: 500;
  font-size: .68rem;
  letter-spacing: .22em;
}
.eyebrow::before { display: none; }
.hero .eyebrow, .about .eyebrow, .page-header-ink .eyebrow, .featured-copy .eyebrow { color: #fff; }
h1 { letter-spacing: -.02em; line-height: 1; font-weight: 400; }
.lead { color: rgba(255,255,255,.75); font-weight: 300; }
.signal {
  background: transparent;
  border: 1px solid rgba(255,255,255,.4);
  border-radius: 0;
  box-shadow: none;
}
.signal::after { display: none; }
.signal-tag { color: #fff; }
.signal h2 { font-weight: 400; letter-spacing: -.01em; }
.signal p { color: rgba(255,255,255,.7); }
.signal-score { border-top-color: rgba(255,255,255,.25); }
.signal-score strong { color: #fff; font-weight: 300; }
.signal-score span { color: rgba(255,255,255,.7); text-transform: uppercase; letter-spacing: .14em; font-size: .66rem; }

/* Seções */
.section-head h2,
.ai-grid h2,
.about h2,
.page-header h1,
.modal-box h2 {
  font-weight: 400;
  letter-spacing: -.02em;
  line-height: 1.02;
}
.section-head { border-bottom: 1px solid #000; padding-bottom: 16px; }
.muted, .count {
  color: #000;
  font-weight: 500;
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
}

/* Busca e filtros */
.searchbar {
  background: #fff;
  border: 0;
  border-bottom: 1px solid #000;
  border-radius: 0;
  padding: 0 0 0 2px;
}
.searchbar input { color: #000; }
.searchbar input::placeholder { color: var(--muted); }
.filter {
  border: 0;
  border-bottom: 1px solid transparent;
  border-radius: 0;
  color: var(--muted);
  font-weight: 500;
  font-size: .68rem;
  letter-spacing: .16em;
  padding: 8px 4px;
}
.filter:hover { color: #000; }
.filter.active { background: transparent; color: #000; border-color: #000; }

/* Destaque: moldura editorial em tela dividida */
.featured {
  background: #000;
  border-radius: 0;
  box-shadow: none;
}
.featured-art { background: #1a1a1a; }
.featured-art::before {
  color: rgba(255,255,255,.08);
  font-weight: 300;
  letter-spacing: .02em;
}
.featured-badge {
  background: #fff;
  color: #000;
  border-radius: 0;
  font-weight: 500;
  letter-spacing: .18em;
}
.featured-copy h3 { font-weight: 400; letter-spacing: -.01em; }
.featured-copy p { color: rgba(255,255,255,.7); }
.read-link {
  color: #fff;
  font-weight: 500;
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  border-bottom: 1px solid #fff;
  padding-bottom: 3px;
}

/* Cards: moldura reta, área de imagem cinza clara, sem sombra */
.news-grid { gap: 32px 20px; }
.news-card {
  background: #fff;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}
.news-card:hover { transform: none; box-shadow: none; }
.news-card:hover h3 { text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }
.card-art,
.news-card:nth-child(2n) .card-art,
.news-card:nth-child(3n) .card-art {
  background: var(--grey);
  color: #000;
  min-height: 260px;
  font-weight: 500;
  font-size: .66rem;
  letter-spacing: .2em;
  transition: background .3s ease;
}
.news-card:hover .card-art { background: #e8e8e8; }
.card-body { padding: 16px 0 0; }
.tag {
  background: transparent;
  color: var(--muted);
  border-radius: 0;
  padding: 0;
  font-weight: 500;
  font-size: .64rem;
  letter-spacing: .18em;
}
.news-card h3 { font-weight: 400; font-size: 1.1rem; line-height: 1.3; letter-spacing: 0; }
.news-card p { color: var(--muted); font-size: .9rem; }
.news-meta { color: #000; font-weight: 400; font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; }
.empty { background: #fff; border: 1px solid var(--line); border-radius: 0; }

/* IA */
.ai-wrap {
  background: var(--grey);
  border: 0;
  border-radius: 0;
  box-shadow: none;
}
.ai-wrap::after { color: rgba(0,0,0,.04); font-weight: 300; letter-spacing: 0; }
.ai-wrap .eyebrow { color: #000; }
.ai-grid p { color: #333; }
.chat {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0;
}
.msg { border-radius: 0; border-color: var(--line); }
.msg.bot { background: var(--grey); }
.msg.user { background: #000; color: #fff; border-color: #000; }

/* Campos de formulário */
.chat-form input,
.contact-form input,
.contact-form textarea,
.admin-form input,
.admin-form textarea,
.admin-form select,
.comments textarea {
  background: #fff;
  border: 1px solid #000;
  border-radius: 0;
  color: #000;
}
.chat-form input:focus,
.contact-form input:focus,
.contact-form textarea:focus,
.admin-form input:focus,
.admin-form textarea:focus,
.admin-form select:focus,
.comments textarea:focus { outline: 1px solid #000; }

/* Manifesto e rodapé */
.about { background: #000; }
.about p { color: rgba(255,255,255,.7); }
.principle {
  border-color: rgba(255,255,255,.3);
  border-radius: 0;
  background: transparent;
}
.principle strong { color: #fff; font-weight: 300; }
.principle span { color: rgba(255,255,255,.7); text-transform: uppercase; letter-spacing: .12em; font-size: .66rem; }
.footer {
  background: #fff;
  color: #000;
  border-top: 1px solid var(--line);
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  padding: 36px 0 44px;
}

/* Páginas internas */
.page-header { background: #fff; border-bottom: 1px solid var(--line); }
.page-header-ink { background: #000; color: #fff; }
.prose-block { color: #333; }
.contact-card,
.admin-form,
.admin-preview {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0;
}
.admin-list li { border-radius: 0; background: #fff; }
.article-body p { color: #222; }
.article-meta { color: var(--muted); font-weight: 400; text-transform: uppercase; letter-spacing: .12em; font-size: .68rem; }

/* Modal e interações */
.modal { background: rgba(0,0,0,.6); }
.modal-box { background: #fff; border-radius: 0; box-shadow: none; }
.close { color: #000; font-weight: 300; }
.modal-meta { color: var(--muted); font-weight: 400; text-transform: uppercase; letter-spacing: .12em; }
.reaction { border-color: #000; border-radius: 0; font-weight: 400; }
.reaction.active { background: #000; color: #fff; border-color: #000; }
.comments { border-top-color: #000; }
.comments h3 { font-weight: 400; }
.comments-list li { background: #fff; border-color: var(--line); border-radius: 0; color: #333; }