/* ===================================================
   FREE / INFRASTRUCTURE SECTION - ANTIGRAVITY DESIGN
   =================================================== */
.free-section {
  padding: 120px 0;
  background: #0D1117;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.free-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 60px;
}

.free-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 60px auto 40px;
}

/* Estilo Premium Antigravity Card */
.free-card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  padding: 40px 24px;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.free-card:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(14, 165, 233, 0.3);
}

/* Elementos do Card */
.problem-icon-box {
  font-size: 32px;
  width: 64px;
  min-width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2) 0%, rgba(6, 182, 212, 0.1) 100%);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fbbf24;
  position: relative;
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.2);
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1) !important;
  margin-bottom: 24px;
}

.free-card:hover .problem-icon-box {
  transform: scale(1.15) rotate(7deg);
  box-shadow: 0 8px 30px rgba(245, 158, 11, 0.3);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.3) 0%, rgba(6, 182, 212, 0.2) 100%);
}

.free-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.free-desc {
  font-size: 0.9rem;
  color: #8fa3b6;
  line-height: 1.6;
  margin-bottom: 24px;
  min-height: 3.2em; /* Mantém alinhamento */
}

.free-badge {
  background: rgba(14, 165, 233, 0.1);
  color: #0ea5e9;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 8px 16px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: 1px solid rgba(14, 165, 233, 0.2);
}

/* Nota de Fechamento */
.free-note {
  text-align: center;
  max-width: 800px;
  margin: 40px auto 0;
  font-size: 1.05rem;
  color: #8fa3b6;
  padding: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.free-note b, .free-note strong {
  color: #ffffff;
}

/* Responsive */
@media (max-width: 1024px) {
  .free-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .free-section {
    padding: 80px 0;
  }
  
  .free-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin: 40px 10px;
  }
  
  .free-card {
    padding: 20px 12px;
    border-radius: 20px;
  }

  .problem-icon-box {
    width: 48px;
    height: 48px;
    min-width: 48px;
    font-size: 24px;
    margin-bottom: 16px;
  }

  .free-name {
    font-size: 0.95rem;
    margin-bottom: 8px;
  }

  .free-desc {
    font-size: 0.75rem;
    margin-bottom: 12px;
    line-height: 1.4;
  }

  .free-badge {
    padding: 4px 10px;
    font-size: 0.65rem;
  }
}