/* ============================================================
     PÁGINA DE TÓPICO (DESCOBERTA) — Tokens oficiais (design.md)
     Tópico é transversal: faixa NEUTRA, sem cor própria (§6.3).
     A cor vive nos cards (cada artigo carrega a cor da sua categoria).
     ============================================================ */
  .container { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad-x); }

  /* ---------- HERO — faixa clara neutra, chip neutro ---------- */
  .hero-top { background: var(--bg-2); border-bottom: 1px solid var(--line); }
  .hero-top-inner {
    max-width: var(--maxw); margin: 0 auto; padding: 44px var(--pad-x) 44px;
    display: grid; grid-template-columns: 1fr auto; gap: 48px; align-items: center;
  }
  @media (max-width: 860px) { .hero-top-inner { grid-template-columns: 1fr; gap: 26px; } }
  .hero-top-main { min-width: 0; }
  .top-chip {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 7px 16px 7px 13px; margin: 0 0 16px;
    border-radius: 99px; background: var(--bg-3); color: var(--ink-2);
    font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  }
  .top-chip svg { width: 15px; height: 15px; color: var(--ink-3); }
  .hero-top h1 { font-size: 2.6rem; line-height: 1.08; font-weight: 700; letter-spacing: -.02em; margin: 0 0 14px; color: var(--ink); }
  @media (max-width: 700px) { .hero-top h1 { font-size: 2.05rem; } }
  .hero-top .subtitle { font-size: 1.06rem; line-height: 1.55; margin: 0; color: var(--ink-2); max-width: 62ch; }
  .hero-top-stats {
    border-left: 1px solid var(--line-2); padding-left: 28px; min-width: 150px;
    display: flex; flex-direction: column; gap: 16px;
  }
  @media (max-width: 860px) {
    .hero-top-stats { border-left: 0; border-top: 1px solid var(--line-2); padding-left: 0; padding-top: 22px; flex-direction: row; gap: 40px; }
  }
  .hero-top-stat .label { display: block; font-size: .66rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 3px; }
  .hero-top-stat .value { font-size: 1.35rem; font-weight: 700; color: var(--ink); font-variant-numeric: tabular-nums; }

  /* ---------- Seções ---------- */
  .main-stack { padding: 44px 0 64px; }
  .main-stack > section + section { margin-top: 56px; }
  .section-eyebrow { font-size: 1.05rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 6px; }
  .section-sub { font-size: .95rem; color: var(--ink-2); margin: 0 0 22px; line-height: 1.5; }

  /* ---------- Cards de artigo (cor = categoria, ícone = grupo) ---------- */
  .card {
    background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden;
    display: flex; flex-direction: column; transition: transform .2s ease, border-color .15s, box-shadow .15s;
  }
  .card:hover { border-color: var(--verde-claro); transform: translateY(-2px); box-shadow: var(--shadow-md); }
  .card-illust { aspect-ratio: 16 / 7; display: grid; place-items: center; position: relative; overflow: hidden; }
  .card-illust img { width: 28%; height: auto; max-width: 90px; opacity: .95; filter: drop-shadow(0 2px 6px rgba(0,0,0,.08)); }
  .card[data-category="ferramentas"]    .card-illust { background: var(--cat-ferramentas); }
  .card[data-category="gestao-moodle"]  .card-illust { background: var(--cat-gestao-moodle); }
  .card[data-category="pedagogia"]      .card-illust { background: var(--cat-pedagogia); }
  .card[data-category="acessibilidade"] .card-illust { background: var(--cat-acessibilidade); }
  .card[data-category="conduta"]        .card-illust { background: var(--cat-conduta); }
  .card[data-category="identidade"]     .card-illust { background: var(--cat-identidade); }
  .card-body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
  .card-kicker { font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }
  .card h3 { margin: 0; font-size: 1.18rem; font-weight: 700; line-height: 1.3; color: var(--ink); letter-spacing: -.005em; }
  .card-desc { font-size: .92rem; color: var(--ink-2); line-height: 1.55; margin: 0;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
  .card-meta { margin-top: auto; padding-top: 12px; display: flex; gap: 10px; font-size: .8rem; color: var(--ink-3); align-items: center; }
  .badge-tipo { padding: 4px 12px; border-radius: 99px; font-weight: 600; font-size: .72rem; letter-spacing: .02em; background: var(--bg-2); color: var(--ink-2); }

  /* ---------- Trilhas relacionadas (verde-pálido único) ---------- */
  .trilha-card {
    background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden;
    display: flex; flex-direction: column; transition: transform .2s ease, border-color .15s, box-shadow .15s;
  }
  .trilha-card:hover { border-color: var(--verde-claro); box-shadow: var(--shadow-md); transform: translateY(-2px); }
  .trilha-illust { aspect-ratio: 16 / 7; background: var(--verde-palido); display: grid; place-items: center; position: relative; overflow: hidden; }
  .trilha-illust img { width: 62%; height: auto; max-width: 180px; opacity: .95; filter: drop-shadow(0 2px 6px rgba(0,0,0,.08)); }
  .trilha-body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
  .trilha-kicker { font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }
  .trilha-body h3 { font-size: 1.12rem; font-weight: 700; margin: 0; line-height: 1.3; color: var(--ink); letter-spacing: -.005em; }
  .trilha-card:hover h3 { color: var(--verde-marca); }
  .trilha-desc { font-size: .92rem; color: var(--ink-2); line-height: 1.55; margin: 0;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .trilha-meta { margin-top: auto; padding-top: 12px; display: flex; gap: 28px; }
  .trilha-meta .m-label { display: block; font-size: .64rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 3px; }
  .trilha-meta .m-value { font-size: .98rem; font-weight: 700; color: var(--ink); font-variant-numeric: tabular-nums; }

  @media (max-width: 600px) { :root { --pad-x: 20px; } }