:root {
  --bg: #090d16;
  --card-bg: #111827;
  --text: #f3f4f6;
  --muted: #9ca3af;
  --accent: #00FF9D;
  --border: rgba(255, 255, 255, 0.1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background-color: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}
header {
  border-bottom: 1px solid var(--border);
  background-color: rgba(9, 13, 22, 0.9);
  padding: 1rem 1.5rem;
}
.header-inner {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: #ffffff;
  font-weight: 700;
  font-size: 1.25rem;
}
.brand-logo img {
  height: 38px;
  width: 38px;
  object-fit: contain;
}
.brand-text {
  font-weight: 700;
  font-size: 1.25rem;
  color: #ffffff;
  letter-spacing: -0.02em;
}
.brand-text .accent {
  color: var(--accent);
}
.nav-cta {
  background-color: rgba(0, 255, 157, 0.1);
  color: var(--accent);
  border: 1px solid rgba(0, 255, 157, 0.3);
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
}
.nav-cta:hover { background-color: rgba(0, 255, 157, 0.2); }
main {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}
.breadcrumbs {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--accent); }
h1 {
  font-size: 2.25rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.25;
  margin-bottom: 1rem;
}
h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffffff;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}
.meta-time {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 2rem;
}
.content {
  font-size: 1.05rem;
}
.content p {
  color: #cbd5e1;
  margin-bottom: 1.25rem;
  line-height: 1.7;
}
.content p.lead {
  font-size: 1.15rem;
  color: #f3f4f6;
  font-weight: 500;
}
.chart-box {
  margin: 2rem 0;
  padding: 1.5rem;
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 1rem;
}
.chart-title {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1rem;
}
.svg-chart {
  width: 100%;
  height: auto;
  display: block;
}
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}
.card-item {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.25rem;
}
.card-item h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.card-item p {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 0;
}
.callout-box {
  margin: 2rem 0;
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(0, 255, 157, 0.05) 0%, rgba(17, 24, 39, 0.9) 100%);
  border: 1px solid rgba(0, 255, 157, 0.25);
  border-left: 4px solid var(--accent);
  border-radius: 0.85rem;
}
.callout-box h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.6rem;
}
.callout-box p {
  font-size: 0.98rem;
  color: #cbd5e1;
  margin-bottom: 0.6rem;
  line-height: 1.6;
}
.callout-box p:last-child {
  margin-bottom: 0;
}
.cta-box {
  margin: 3rem 0 2rem 0;
  padding: 2rem;
  background-color: var(--card-bg);
  border: 1px solid rgba(0, 255, 157, 0.3);
  border-radius: 1rem;
  text-align: center;
}
.cta-box h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.5rem;
}
.cta-box p {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}
.btn-cta {
  display: inline-block;
  background-color: var(--accent);
  color: #030712;
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  border-radius: 0.75rem;
  text-decoration: none;
  transition: background-color 0.2s;
}
.btn-cta:hover { background-color: #00e68d; }
.disclaimer {
  font-size: 0.8rem;
  color: #64748b;
  text-align: center;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.875rem;
  margin-top: 4rem;
}

/* Styles for /guias index page */
p.subtitle { color: var(--muted); margin-bottom: 2.5rem; font-size: 1.1rem; }
.grid { display: grid; gap: 1.5rem; }
.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s;
}
.card:hover { border-color: var(--accent); }
.card h2 { font-size: 1.35rem; color: #fff; margin-bottom: 0.5rem; }
.card p { color: var(--muted); font-size: 0.95rem; }