@import "tailwindcss";

@font-face {
  font-family: 'Inter';
  src: url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', system-ui, -apple-system, sans-serif; background: #f8fafc; color: #1e293b; }

.gradient-text {
  background: linear-gradient(135deg, #00C853, #3B82F6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 1.5rem;
  transition: all 0.3s;
}
.card:hover {
  border-color: #00C85380;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,200,83,0.08);
}

.selo {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.9rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.selo.tech { background: #3B82F610; color: #3B82F6; border: 1px solid #3B82F640; }
.selo.green { background: #00C85310; color: #00C853; border: 1px solid #00C85340; }

.formula-box {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 1rem;
  text-align: center;
  margin: 1rem 0;
  overflow-x: auto;
}
.formula-box .katex { font-size: 1.1rem; }

.concept-box {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 1.5rem;
  margin: 1rem 0;
}
.concept-box h4 { font-size: 0.95rem; font-weight: 600; color: #0f172a; margin-bottom: 0.5rem; }
.concept-box p { font-size: 0.88rem; color: #64748b; line-height: 1.6; }
.concept-box code { background: #f1f5f9; padding: 0.15rem 0.4rem; border-radius: 4px; font-size: 0.82rem; color: #3B82F6; }

.tag-persona {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 600;
  margin-top: 0.75rem;
}
.tag-dev { background: #3B82F610; color: #3B82F6; border: 1px solid #3B82F640; }
.tag-analytics { background: #8B5CF610; color: #8B5CF6; border: 1px solid #8B5CF640; }
.tag-gestao { background: #F59E0B10; color: #F59E0B; border: 1px solid #F59E0B40; }

.badge { display: inline-block; padding: 0.2rem 0.7rem; border-radius: 999px; font-size: 0.7rem; font-weight: 600; margin-top: 0.75rem; }
.badge-verde { background: #00C85310; color: #00C853; border: 1px solid #00C85340; }
.badge-azul { background: #3B82F610; color: #3B82F6; border: 1px solid #3B82F640; }
.badge-roxo { background: #8B5CF610; color: #8B5CF6; border: 1px solid #8B5CF640; }
.badge-laranja { background: #F59E0B10; color: #F59E0B; border: 1px solid #F59E0B40; }

.btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.75rem 1.5rem; border-radius: 10px; font-weight: 600; font-size: 0.9rem; cursor: pointer; transition: all 0.3s; text-decoration: none; }
.btn-primary { background: #00C853; color: #ffffff; }
.btn-primary:hover { background: #00E676; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(0,200,83,0.25); }
.btn-outline { border: 1px solid #cbd5e1; color: #475569; }
.btn-outline:hover { border-color: #00C853; color: #00C853; }

.compare-table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.88rem; }
.compare-table th { background: #f1f5f9; padding: 0.75rem; text-align: left; font-weight: 600; color: #475569; border-bottom: 2px solid #e2e8f0; }
.compare-table td { padding: 0.75rem; border-bottom: 1px solid #e2e8f0; }
.compare-table .r3-row { background: #00C85308; }
.compare-table .r3-row strong { color: #00C853; }

.resultado-item { text-align: center; padding: 1.5rem; }
.resultado-item .numero { font-size: 2.2rem; font-weight: 800; }
.resultado-item .label { font-size: 0.78rem; color: #64748b; margin-top: 0.25rem; }

.sql-block {
  background: #0f172a;
  color: #e2e8f0;
  padding: 0.75rem;
  border-radius: 6px;
  font-family: ui-monospace, monospace;
  font-size: 0.78rem;
  margin-top: 0.5rem;
  overflow-x: auto;
  line-height: 1.6;
}
.sql-keyword { color: #3B82F6; }
.sql-string { color: #00C853; }

@media (max-width: 640px) {
  .formula-box { padding: 0.5rem; }
  .formula-box .katex { font-size: 0.85rem; }
  .concept-box { padding: 1rem; margin: 0.5rem 0; }
  .btn { padding: 0.5rem 1rem; font-size: 0.8rem; }
  .compare-table { font-size: 0.72rem; }
  .compare-table th, .compare-table td { padding: 0.4rem; }
}