/* Componentes reutilizables: botones, tarjetas, badges, etiquetas de sección */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--fs-sm);
  border: 2px solid transparent;
  transition: background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--color-accent);
  color: var(--color-graphite-900);
}
.btn-primary:hover { background: var(--color-accent-hover); color: var(--color-graphite-900); }

.btn-secondary {
  background: transparent;
  border-color: currentColor;
  color: inherit;
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
}

.btn-secondary.on-light {
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-secondary.on-light:hover {
  background: var(--color-blue-100);
}

.btn-block { width: 100%; justify-content: center; }

.eyebrow {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-hover);
  margin-bottom: var(--space-xs);
}

.section-head {
  max-width: 640px;
  margin: 0 0 var(--space-lg);
}
.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-blue-500);
  transform: translateY(-3px);
}

.icon-tile {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--color-blue-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}
.icon-tile svg { width: 26px; height: 26px; }

.badge {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.03em;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: var(--color-graphite-900);
  color: var(--color-text-inverse);
}
.badge.placeholder {
  background: var(--color-amber-100);
  color: var(--color-amber-600);
  border: 1px solid var(--color-amber-500);
}

.placeholder-note {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  font-style: italic;
}