:root {
  --bg: #020617;
  --bg-card: #0f172a;
  --bg-card-soft: #1e293b;
  --accent: #22c55e;
  --accent-soft: rgba(34, 197, 94, 0.15);
  --text: #e5e7eb;
  --muted: #94a3b8;
  --border-soft: rgba(148, 163, 184, 0.3);
  --danger: #f97373;
}

/* RESET BÁSICO */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* FONTE GLOBAL */
body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: radial-gradient(circle at top, #020617 0, #020617 40%, #020617 100%);
  color: var(--text);
  padding: 16px;
}

/* CONTAINER CENTRAL */
.page-container {
  max-width: 960px;
  margin: 0 auto;
}

/* HEADER / TOPO */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 24px;
}

.logo {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.logo-main {
  color: var(--text);
}

.logo-accent {
  color: var(--accent);
}

.site-subtitle {
  font-size: 0.85rem;
  color: var(--muted);
}

@media (max-width: 640px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* HERO / TÍTULO DA PÁGINA */
.hero {
  margin-bottom: 18px;
}

.hero-title {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.hero-text {
  font-size: 0.95rem;
  color: var(--muted);
}

/* GRID DE CARDS */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

/* CARD PADRÃO */
.card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.card {
  background: var(--bg-card-soft);
  border-radius: 14px;
  padding: 18px;
  border: 1px solid var(--border-soft);
  transition: 0.18s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.card:hover {
  border-color: var(--accent);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.85);
  transform: translateY(-2px);
}

.card-tag {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.card-text {
  font-size: 0.9rem;
  color: var(--muted);
}

/* RODAPÉ */
.site-footer {
  margin-top: 26px;
  padding-top: 12px;
  border-top: 1px solid var(--border-soft);
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
}

/* BOTÃO PADRÃO (SE PRECISAR DEPOIS) */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.2rem;
  border-radius: 999px;
  border: none;
  background: var(--accent);
  color: #022c22;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: 0.18s ease;
  text-decoration: none;
}

.btn-primary:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
}