:root {
  --primary: #2563eb;
  --secondary: #1e293b;
  --bg: #f8fafc;
  --text: #1f2937;
  --muted: #64748b;
  --radius: 12px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }

header {
  background: linear-gradient(135deg, var(--primary), #3b82f6);
  color: white; 
  padding: 60px 20px; 
  text-align: center;
}
header h1 { font-size: 2.5rem; margin-bottom: 10px; }
header p { font-size: 1.2rem; color: #e0f2fe; }

.container { max-width: 1100px; margin: 0 auto; padding: 40px 20px; }
section { margin-bottom: 60px; }
h2 { font-size: 1.8rem; margin-bottom: 15px; color: var(--secondary); text-align: center; }
p { font-size: 1.1rem; margin-bottom: 20px; color: var(--muted); text-align: center; }

/* Cards Como Funciona */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; justify-items: center; }
.step {
  background: white; 
  padding: 25px; 
  border-radius: var(--radius);
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
  aspect-ratio: 1 / 1; /* cards quadrados */
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.step:hover { transform: translateY(-5px); box-shadow: 0 8px 20px rgba(0,0,0,0.12); }
.step h3 { margin-bottom: 10px; color: var(--primary); }

/* Cards Próximas Sessões */
.proximas-sessoes {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  justify-items: center;
}
.proximas-sessoes li {
  background: white;
  padding: 25px;
  border-radius: var(--radius);
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
  aspect-ratio: 1 / 1; /* cards quadrados */
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  transition: transform 0.3s, box-shadow 0.3s;
  text-align: center;
}
.proximas-sessoes li:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

/* Formulário Contato */
.form-contato {
  display: flex;
  flex-direction: column;
  gap: 15px;
  max-width: 500px;
  margin: 0 auto;
}
.form-contato input,
.form-contato textarea {
  padding: 12px 15px;
  border-radius: var(--radius);
  border: 1px solid #cbd5e1;
  font-size: 1rem;
  width: 100%;
}
.form-contato textarea { resize: vertical; min-height: 120px; }
.form-contato button {
  background: var(--primary);
  color: white;
  padding: 15px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.3s;
}
.form-contato button:hover { background: #1d4ed8; }

/* Call to action */
.cta { text-align: center; margin-top: 40px; }
.cta a {
  background: var(--primary);
  color: white; 
  padding: 15px 30px;
  border-radius: var(--radius); 
  text-decoration: none; 
  font-weight: 600;
  transition: background 0.3s;
  display: inline-block;
  margin-top: 10px;
}
.cta a:hover { background: #1d4ed8; }

/* Disclaimer */
.disclaimer {
  font-size: 0.85rem;
  color: #374151;
  margin-top: 15px;
  text-align: center;
  border-left: 4px solid #fbbf24;
  background-color: #fef3c7;
  padding: 10px 15px;
  border-radius: 8px;
  display: inline-block;
  max-width: 1100px;
}

/* Footer */
footer {
  background: var(--secondary); 
  color: #cbd5e1;
  text-align: center; 
  padding: 20px; 
  font-size: 0.9rem;
}

/* Responsivo */
@media (max-width: 768px) {
  header h1 { font-size: 2rem; }
  header p { font-size: 1rem; }
  h2 { font-size: 1.5rem; }
  p { font-size: 1rem; }
  .steps, .proximas-sessoes { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  header { padding: 40px 15px; }
  .container { padding: 30px 15px; }
  .cta a { padding: 12px 24px; font-size: 0.95rem; }
  .disclaimer { font-size: 0.75rem; padding: 8px 12px; }
}