.pk-section {
  padding-top: 70px;
}

.pk-calculator {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 10px 34px rgba(0, 43, 108, 0.08);
  overflow: hidden;
}

/* Progress */
.pk-progress {
  padding: 34px 38px 22px;
  background: var(--light);
  border-bottom: 1px solid var(--border);
}

.pk-list {
  margin: 10px 0 0;
  padding-left: 18px;
}

.pk-list li {
  margin-bottom: 6px;
  line-height: 1.4;
  font-size: 14px;
}

.pk-progress-line {
  position: relative;
  height: 4px;
  background: #d6dbe5;
  border-radius: 99px;
  margin: 22px 0 0;
}

.pk-progress-line span {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--blue2);
  border-radius: 99px;
  transition: width 0.3s ease;
}

.pk-progress-steps {
  display: flex;
  justify-content: space-between;
  position: relative;
  margin-bottom: -24px;
}

.pk-progress-steps div {
  width: 48px;
  height: 48px;
  background: #fff;
  border: 3px solid #d6dbe5;
  border-radius: 50%;
  color: var(--blue);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.pk-progress-steps div.active {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

.pk-progress-steps div.done {
  background: var(--blue2);
  border-color: var(--blue2);
  color: #fff;
}

/* Step-Seiten */
.pk-step {
  display: none;
  min-height: 520px;
  padding: 56px 38px;
}

.pk-step.active {
  display: block;
  animation: pkFade 0.25s ease;
}

@keyframes pkFade {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.pk-step h3 {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: clamp(32px, 3vw, 46px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.pk-step p {
  max-width: 720px;
  margin: 0 0 34px;
  color: #40506a;
  font-size: 19px;
  line-height: 1.45;
}

/* Optionen */
.pk-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.pk-option {
  min-height: 190px;
  padding: 28px 24px;
  background: #fff;
  border: 2px solid #e2e6ee;
  border-radius: 14px;
  text-align: left;
  color: var(--blue);
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(0, 43, 108, 0.06);
}

.pk-option strong {
  display: block;
  margin-bottom: 12px;
  font-size: 22px;
  line-height: 1.2;
}

.pk-option span {
  display: block;
  color: #40506a;
  font-size: 15px;
  line-height: 1.45;
}

.pk-option:hover,
.pk-option.selected {
  border-color: var(--blue2);
  box-shadow: 0 12px 30px rgba(0, 91, 211, 0.14);
  transform: translateY(-3px);
}

.pk-option {
  position: relative;
  min-height: 140px;
  padding: 26px 24px;
  background: #f3f5f9;
  border: 2px solid #e2e6ee;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  overflow: hidden;
}

/* Inhalt links */
.pk-option-content {
  max-width: 70%;
}

.pk-option strong {
  display: block;
  margin-bottom: 8px;
  font-size: 22px;
  color: var(--blue);
}

.pk-option span {
  font-size: 15px;
  color: #40506a;
}

/* ICON RECHTS */
.pk-option-icon {
  width: 82px;
  height: 82px;
  flex: 0 0 82px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pk-option-icon svg {
  width: 100%;
  height: 100%;
}

/* Hover */
.pk-option:hover,
.pk-option.selected {
  border-color: var(--blue2);
  box-shadow: 0 10px 28px rgba(0, 43, 108, 0.12);
  transform: translateY(-2px);
}

/* OPTIONAL vorbereiteter Background */
.pk-option.has-bg {
  background-image: var(--bg);
  background-size: cover;
  background-position: center;
}

.pk-option.has-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,43,108,0.45);
}

.pk-option.has-bg .pk-option-content {
  position: relative;
  z-index: 2;
  color: #fff;
}

/* Felder */
.pk-field {
  display: block;
  max-width: 420px;
}

.pk-field span {
  display: block;
  margin-bottom: 10px;
  font-weight: 800;
  color: var(--blue);
}

.pk-field input,
.pk-field select,
.pk-field textarea {
  width: 100%;
  min-height: 58px;
  padding: 14px 16px;
  border: 2px solid #e2e6ee;
  border-radius: 10px;
  font-size: 18px;
  color: var(--blue);
}

/* Checkboxen */
.pk-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  max-width: 720px;
  padding: 20px;
  margin-bottom: 14px;
  border: 2px solid #e2e6ee;
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
}

.pk-checkbox input {
  margin-top: 4px;
}

.pk-checkbox span {
  font-size: 17px;
  font-weight: 700;
}

/* Zusammenfassung */
.pk-summary {
  max-width: 760px;
  padding: 28px;
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.pk-summary p {
  margin-bottom: 14px;
}

.pk-note {
  font-size: 15px !important;
}

.pk-final-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 28px;
}

/* Navigation unten */
.pk-actions {
  padding: 24px 38px;
  background: var(--light);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

.pk-back,
.pk-next {
  min-width: 160px;
  min-height: 56px;
  padding: 14px 24px;
  border-radius: 10px;
  border: 2px solid var(--blue);
  font-size: 17px;
  font-weight: 800;
  cursor: pointer;
}

.pk-back {
  background: #fff;
  color: var(--blue);
}

.pk-next {
  background: var(--blue);
  color: #fff;
}

.pk-back:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Mobil */
@media (max-width: 900px) {
  .pk-section {
    padding-top: 40px;
  }

  .pk-step {
    padding: 42px 24px;
  }

  .pk-progress {
    padding: 28px 24px 20px;
  }

  .pk-options,
  .pk-final-actions {
    grid-template-columns: 1fr;
  }

  .pk-actions {
    padding: 20px 24px;
    flex-direction: column;
  }

  .pk-back,
  .pk-next {
    width: 100%;
  }
}

.pk-selected-box {
  margin-bottom: 28px;
  padding: 22px 24px;
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.pk-selected-box span {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 800;
  color: #40506a;
}

.pk-selected-box strong {
  font-size: 24px;
  color: var(--blue);
}

.pk-quantity-layout {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.pk-quantity-card {
  min-height: 260px;
  padding: 26px 24px;
  background: #f3f5f9;
  border: 2px solid #e2e6ee;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(0, 43, 108, 0.06);
  display: flex;
  flex-direction: column;
}

.pk-quantity-card:hover {
  border-color: var(--blue2);
  box-shadow: 0 10px 28px rgba(0, 43, 108, 0.12);
  transform: translateY(-2px);
}

.pk-quantity-card h4 {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 21px;
  line-height: 1.2;
}

.pk-quantity-card p {
  margin: 0 0 16px;
  color: #40506a;
  font-size: 15px;
  line-height: 1.45;
}

.pk-quantity-card .pk-special-price {
  display: block;
  margin: auto 0 14px;
  color: var(--blue);
  font-size: 15px;
  line-height: 1.35;
}

.pk-quantity-card input {
  width: 100%;
  min-height: 58px;
  padding: 14px 16px;
  border: 2px solid #e2e6ee;
  border-radius: 10px;
  font-size: 18px;
  color: var(--blue);
}

@media (max-width: 1100px) {
  .pk-quantity-layout {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .pk-quantity-layout {
    grid-template-columns: 1fr;
  }
}

.pk-step[data-step="2"] .pk-quantity-layout {
  display: grid !important;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 22px;
  align-items: stretch;
}

.pk-step[data-step="2"] .pk-quantity-card {
  display: flex !important;
  flex-direction: column;
  min-height: 300px;
  padding: 28px 24px;
  background: #f3f5f9;
  border: 2px solid #e2e6ee;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(0, 43, 108, 0.06);
}

.pk-step[data-step="2"] .pk-quantity-card:first-child {
  background: #fff;
  border-color: var(--blue);
  box-shadow: 0 12px 30px rgba(0, 43, 108, 0.14);
}

.pk-step[data-step="2"] .pk-quantity-card h4 {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 24px;
  line-height: 1.15;
}

.pk-step[data-step="2"] .pk-quantity-card p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.45;
}

.pk-step[data-step="2"] .pk-quantity-card input {
  margin-top: auto;
  width: 100%;
  min-height: 58px;
  padding: 14px 16px;
  border: 2px solid #e2e6ee;
  border-radius: 10px;
  font-size: 18px;
}

@media (max-width: 1100px) {
  .pk-step[data-step="2"] .pk-quantity-layout {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .pk-step[data-step="2"] .pk-quantity-layout {
    grid-template-columns: 1fr;
  }
}