/* Ferramentas da Maro: mesma paleta e tipografia da página inicial. */
:root {
  --primary: #0f2d5e;
  --primary-light: #1a4080;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --gradient: linear-gradient(135deg, #0f2d5e 0%, #1a4080 50%, #1e3a8a 100%);
  --gradient-accent: linear-gradient(135deg, #3b82f6, #06b6d4);
  --text: #1f2937;
  --text-muted: #6b7280;
  --borda: #e5e7eb;
  --section-alt: #f8faff;
}

* { box-sizing: border-box; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: #fff;
  margin: 0;
}

h1, h2, h3 { font-family: 'Plus Jakarta Sans', sans-serif; color: var(--primary); }

a { color: var(--accent-hover); }

/* ── NAVBAR ── */
#mainNav {
  background: rgba(10, 22, 50, 0.97);
  padding: 10px 0;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}
#mainNav .navbar-brand {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  color: #fff !important;
  letter-spacing: -0.5px;
}
#mainNav .navbar-brand span { color: #60a5fa; }
#mainNav .nav-link {
  color: rgba(255, 255, 255, 0.85) !important;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 6px 14px !important;
  border-radius: 6px;
}
#mainNav .nav-link:hover, #mainNav .nav-link.ativo { color: #fff !important; background: rgba(255, 255, 255, 0.1); }
.navbar-toggler { border: none; }
.navbar-toggler-icon { filter: invert(1); }

/* ── CABEÇALHO DA PÁGINA ── */
.cabecalho {
  background: var(--gradient);
  color: #fff;
  padding: 36px 0 32px;
}
.cabecalho h1 { color: #fff; font-weight: 800; font-size: clamp(1.6rem, 4vw, 2.3rem); margin: 8px 0 10px; }
.cabecalho p { color: rgba(255, 255, 255, 0.82); max-width: 720px; margin: 0; font-size: 1.05rem; }
.trilha { font-size: 0.85rem; }
.trilha a { color: rgba(255, 255, 255, 0.7); text-decoration: none; }
.trilha a:hover { color: #fff; }
.trilha span { color: rgba(255, 255, 255, 0.45); margin: 0 6px; }

/* ── FERRAMENTA ── */
.ferramenta {
  background: #fff;
  border: 1px solid var(--borda);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(15, 45, 94, 0.08);
  padding: 28px;
  margin-top: -16px;
  position: relative;
}
.ferramenta + .ferramenta { margin-top: 24px; }
.ferramenta h2 { font-size: 1.15rem; margin: 0 0 16px; }
.ferramenta label { font-weight: 600; font-size: 0.88rem; margin-bottom: 4px; }
.ferramenta .form-control, .ferramenta .form-select { border-radius: 10px; padding: 10px 12px; }
.ferramenta .dica { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }
.btn-calcular {
  background: var(--gradient-accent);
  color: #fff;
  border: none;
  font-weight: 600;
  border-radius: 10px;
  padding: 11px 26px;
}
.btn-calcular:hover { color: #fff; opacity: 0.92; }
.btn-trocar {
  border: 1px solid var(--borda);
  background: #fff;
  border-radius: 10px;
  padding: 10px 14px;
  color: var(--primary);
}

.resultado {
  background: var(--section-alt);
  border: 1px solid #dbe6fb;
  border-radius: 12px;
  padding: 20px;
  margin-top: 22px;
}
.resultado:empty { display: none; }
.resultado .principal { font-size: 1.9rem; font-weight: 800; color: var(--primary); font-family: 'Plus Jakarta Sans', sans-serif; line-height: 1.2; }
.resultado .rotulo { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); font-weight: 600; }
.resultado .erro { color: #b91c1c; font-weight: 600; }
.numeros { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-top: 14px; }
.numeros div { background: #fff; border-radius: 10px; padding: 12px 14px; border: 1px solid var(--borda); }
.numeros strong { display: block; font-size: 1.15rem; color: var(--primary); }
.numeros span { font-size: 0.8rem; color: var(--text-muted); }

.tabela-rolagem { overflow-x: auto; margin-top: 16px; }
.tabela-rolagem table { font-size: 0.88rem; margin: 0; }
.tabela-rolagem th { white-space: nowrap; color: var(--primary); }
.tabela-rolagem td { white-space: nowrap; }
.resultado details summary { cursor: pointer; font-weight: 600; color: var(--accent-hover); margin-top: 14px; }

/* Espaço dos anúncios: separado da ferramenta, nunca entre campos e botão. */
.espaco-anuncio { margin: 32px 0; min-height: 0; }

/* ── TEXTO ── */
.texto { max-width: 760px; padding: 16px 0 8px; font-size: 1.02rem; line-height: 1.75; }
.texto h2 { font-size: 1.4rem; margin: 36px 0 12px; }
.texto h3 { font-size: 1.1rem; margin: 24px 0 8px; }
.texto .formula {
  background: var(--section-alt);
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  padding: 12px 16px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.95rem;
  overflow-x: auto;
}
.texto table { font-size: 0.95rem; }
.perguntas details { border-bottom: 1px solid var(--borda); padding: 14px 0; }
.perguntas summary { cursor: pointer; font-weight: 600; color: var(--primary); }
.perguntas details p { margin: 10px 0 0; }
.aviso { font-size: 0.88rem; color: var(--text-muted); border-top: 1px solid var(--borda); padding-top: 16px; margin-top: 32px; }

/* ── LISTA DE FERRAMENTAS ── */
.cartoes { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.cartao {
  display: block;
  border: 1px solid var(--borda);
  border-radius: 14px;
  padding: 20px;
  text-decoration: none;
  color: var(--text);
  background: #fff;
  transition: box-shadow 0.2s, transform 0.2s;
}
.cartao:hover { box-shadow: 0 10px 30px rgba(15, 45, 94, 0.1); transform: translateY(-2px); color: var(--text); }
.cartao i { font-size: 1.3rem; color: var(--accent); margin-bottom: 10px; }
.cartao strong { display: block; color: var(--primary); font-family: 'Plus Jakarta Sans', sans-serif; margin-bottom: 4px; }
.cartao span { font-size: 0.88rem; color: var(--text-muted); }
.relacionadas { background: var(--section-alt); padding: 40px 0; margin-top: 40px; }
.relacionadas h2 { font-size: 1.3rem; margin-bottom: 18px; }

/* ── FOOTER ── */
footer { background: #0a1628; color: rgba(255, 255, 255, 0.6); padding: 40px 0 26px; }
footer .footer-brand { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800; font-size: 1.3rem; color: #fff; }
footer .footer-brand span { color: #60a5fa; }
footer p { font-size: 0.88rem; line-height: 1.7; }
footer .footer-title { font-size: 0.75rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: rgba(255, 255, 255, 0.35); margin-bottom: 14px; }
footer .footer-links a { color: rgba(255, 255, 255, 0.5); text-decoration: none; font-size: 0.85rem; display: block; margin-bottom: 8px; }
footer .footer-links a:hover { color: #60a5fa; }
footer hr { border-color: rgba(255, 255, 255, 0.1); }
footer .footer-bottom { font-size: 0.82rem; color: rgba(255, 255, 255, 0.35); }

@media (max-width: 576px) {
  .ferramenta { padding: 18px; border-radius: 12px; }
  .resultado .principal { font-size: 1.5rem; }
}
.rotulo-anuncio { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 1px; color: #9ca3af; text-align: center; margin-bottom: 4px; }