.bf-bc-calculator {
  --bf-bc-bg: #f6f3ee;
  --bf-bc-bg-alt: #efe6d9;
  --bf-bc-card: #ffffff;
  --bf-bc-primary: #1a3b2f;
  --bf-bc-accent: #ffb703;
  --bf-bc-muted: #5f6b5f;
  --bf-bc-button-bg: #1a3b2f;
  --bf-bc-button-text: #ffffff;
  --bf-bc-border: #e7e7ea;
  --bf-bc-shadow: 0 8px 22px rgba(15, 23, 42, 0.08);
  font-family: "Source Sans 3", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(135deg, var(--bf-bc-bg), var(--bf-bc-bg-alt));
  border-radius: 12px;
  padding: 24px;
}

.bf-bc-steps {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
  position: relative;
}

.bf-bc-steps::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 18px;
  height: 3px;
  background: #d8dbe2;
  border-radius: 999px;
  z-index: 0;
}

.bf-bc-step {
  background: transparent;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.95rem;
  color: #7a8598;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  position: relative;
  z-index: 1;
}

.bf-bc-step.is-active {
  color: var(--bf-bc-primary);
  font-weight: 600;
}

.bf-bc-step-index {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #d8dbe2;
  color: #4b5565;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}

.bf-bc-step.is-active .bf-bc-step-index {
  background: var(--bf-bc-primary);
  color: #fff;
}

.bf-bc-panel {
  display: none;
  background: var(--bf-bc-card);
  border-radius: 10px;
  padding: 20px;
  box-shadow: var(--bf-bc-shadow);
  border: 1px solid var(--bf-bc-border);
}

.bf-bc-panel.is-active {
  display: block;
}

.bf-bc-panel h2,
.bf-bc-panel h3 {
  color: var(--bf-bc-primary);
}

.bf-bc-options label,
.bf-bc-service-group label,
.bf-bc-grid label,
.bf-bc-urgency label {
  display: block;
  margin-bottom: 12px;
  color: #1f2937;
}

.bf-bc-service-group {
  display: none;
}

.bf-bc-service-group.is-active {
  display: block;
}

.bf-bc-modules,
.bf-bc-integrations {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

.bf-bc-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.bf-bc-options label {
  border: 1px solid var(--bf-bc-border);
  border-radius: 12px;
  padding: 16px;
  background: #fff;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.bf-bc-options label input {
  margin-right: 8px;
}

.bf-bc-options label.is-selected {
  border-color: var(--bf-bc-primary);
  box-shadow: 0 0 0 2px rgba(26, 59, 47, 0.1);
}

.bf-bc-actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.bf-bc-estimate {
  background: #ffffff;
  border: 1px solid var(--bf-bc-border);
  border-radius: 8px;
  padding: 16px;
  text-align: center;
}

.bf-bc-lead-block {
  margin-top: 20px;
}

.bf-bc-estimate-title {
  font-size: 0.95rem;
  color: #6b7280;
  margin-bottom: 6px;
}

.bf-bc-estimate-main {
  font-size: 2rem;
  font-weight: 700;
  color: var(--bf-bc-primary);
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}

.bf-bc-estimate-currency {
  font-size: 1rem;
  color: #6b7280;
  font-weight: 600;
}

.bf-bc-estimate-note {
  font-size: 0.85rem;
  color: var(--bf-bc-muted);
  margin-top: 8px;
}

.bf-bc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.bf-bc-privacy {
  margin-top: 12px;
}

.bf-bc-response {
  margin-top: 12px;
  color: var(--bf-bc-primary);
  font-weight: 600;
}

.bf-bc-form input[type="text"],
.bf-bc-form input[type="email"],
.bf-bc-form select,
.bf-bc-form textarea {
  width: 100%;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--bf-bc-border);
}

.bf-bc-form textarea {
  resize: vertical;
}

.bf-bc-form .button.button-primary,
.bf-bc-form .button {
  background: var(--bf-bc-button-bg);
  color: var(--bf-bc-button-text);
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
}

.bf-bc-form .button:hover {
  filter: brightness(0.95);
}

@media (max-width: 720px) {
  .bf-bc-actions {
    flex-direction: column;
  }
  .bf-bc-steps {
    flex-direction: column;
  }
  .bf-bc-steps::after {
    display: none;
  }
}