/* ====== Design-Tokens ====== */
:root {
  --green-dark:#2d4a2b;
  --green-light:#a4b5a3;
  --orange:#ff6b4a;
  --bg:#f9f8f6;
  --border:#e8e6e1;
  --error:#dc3545;
  --text:#2b2b2b;
  --muted:#6c757d;
  --shadow:0 12px 30px rgba(45,74,43,.12);
  --shadow-soft:0 8px 18px rgba(0,0,0,.06);
}
* {
  margin:0;
  padding:0;
  box-sizing:border-box;
}
body {
  font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  background:var(--bg);
  color:#2b2b2b;
  display:flex;
  justify-content:center;
  align-items:center;
  padding:20px;
}
.calculator-container {
  background:#fff;
  border-radius:24px;
  box-shadow:var(--shadow);
  max-width:980px;
  width:100%;
  overflow:visible;
  border:1px solid var(--border);
}
.calculator-header {
  background:linear-gradient(135deg,var(--green-dark) 0%,var(--green-light) 100%);
  padding:30px;
  text-align:center;
  color:#fff;
}
.calculator-header h1 {
  font-size:28px;
  margin-bottom:10px;
  font-weight:700;
  letter-spacing:.2px;
}
.calculator-header p {
  font-size:16px;
  opacity:.95;
}
.value-proposition {
  background:#faf9f7;
  padding:20px 30px;
  border-bottom:1px solid var(--border);
}
.value-proposition h3 {
  color:#495057;
  font-size:18px;
  margin-bottom:15px;
  display:flex;
  align-items:center;
  gap:10px;
}
.value-points {
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:repeat(2,minmax(260px,1fr));
  gap:16px;
}
.value-points li {
  display:flex;
  gap:12px;
  align-items:flex-start;
  background:#fff;
  border:1px solid var(--border);
  border-radius:14px;
  padding:14px 16px;
  color:var(--text);
  font-size:14px;
  line-height:1.45;
  box-shadow:var(--shadow-soft);
}
.value-points li::before {
  content:"✓";
  color:var(--green-dark);
  font-weight:700;
  font-size:16px;
  line-height:1;
  margin-top:2px;
}
@media (max-width:640px) {
  .value-points {
    grid-template-columns:1fr;
  }
}
.progress-bar {
  background:#fcfbfa;
  padding:20px 30px;
  border-bottom:2px solid var(--border);
}
.progress-steps {
  display:flex;
  justify-content:space-between;
  position:relative;
}
.progress-steps::before {
  content:"";
  position:absolute;
  top:20px;
  left:0;
  right:0;
  height:2px;
  background:var(--border);
  z-index:0;
}
.progress-step {
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
  position:relative;
  z-index:1;
  background:transparent;
  padding:0 5px;
}
.progress-step-circle {
  width:40px;
  height:40px;
  border-radius:50%;
  background:#fff;
  border:3px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:700;
  color:#adb5bd;
  transition:.2s;
  box-shadow:var(--shadow-soft);
}
.progress-step.active .progress-step-circle {
  background:linear-gradient(135deg,var(--orange) 0%,#ff8a6f 100%);
  border-color:var(--orange);
  color:#fff;
}
.progress-step.completed .progress-step-circle {
  background:var(--green-dark);
  border-color:var(--green-dark);
  color:#fff;
}
.progress-step[data-skipped="true"] .progress-step-circle {
  background:#f0f0ed;
  border-color:#d6d6d0;
  color:#adb5bd;
}
.progress-step[data-skipped="true"] .progress-step-label {
  color:#adb5bd;
}
.progress-step-label {
  font-size:12px;
  color:#6c757d;
  text-align:center;
  max-width:80px;
}
.calculator-body {
  padding:30px;
  min-height:300px;
}
.step {
  display:none;
  animation:fadeIn .5s;
}
.step.active {
  display:block;
}
@keyframes fadeIn {
  from {
    opacity:0;
    transform:translateY(10px);
  }
  to {
    opacity:1;
    transform:translateY(0);
  }
}
.step-title {
  font-size:24px;
  color:#343a40;
  margin-bottom:10px;
  letter-spacing:.2px;
}
.step-subtitle {
  font-size:14px;
  color:#6c757d;
  margin-bottom:30px;
}
.field-hint {
  font-size:12px;
  color:var(--muted);
  margin-bottom:6px;
}
.muted-note {
  font-size:13px;
  color:var(--muted);
  margin:6px 0 14px;
}
/* Landing Panel */
.landing {
  display:flex;
  align-items:flex-start;
  justify-content:center;
  padding:24px 0;
}
.landing-card {
  background:linear-gradient(135deg,rgba(164,181,163,.12) 0%,rgba(255,107,74,.10) 100%);
  border:1px solid var(--border);
  border-radius:16px;
  box-shadow:var(--shadow-soft);
  padding:24px;
  text-align:center;
  width:100%;
}
.landing-card h3 {
  font-size:18px;
  color:#495057;
  margin-bottom:8px;
}
.landing-card p {
  color:#6c757d;
  margin-bottom:16px;
}
.form-group {
  margin-bottom:25px;
  position:relative;
}
.form-group label {
  display:block;
  font-size:14px;
  font-weight:600;
  color:#495057;
  margin-bottom:10px;
}
.required {
  color:var(--error);
}
.form-control {
  width:100%;
  padding:12px 15px;
  font-size:16px;
  border:2px solid var(--border);
  border-radius:12px;
  transition:.2s;
  background:#fff;
}
.form-control:focus {
  outline:none;
  border-color:var(--green-light);
  box-shadow:0 0 0 4px rgba(164,181,163,.25);
}
.radio-group,.checkbox-group {
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(200px,1fr));
  gap:12px;
}
.radio-option,.checkbox-option {
  position:relative;
}
.radio-option input[type=radio],.checkbox-option input[type=checkbox] {
  position:absolute;
  opacity:0;
}
.radio-option label,.checkbox-option label {
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:120px;
  position:relative;
  padding:18px 22px;
  border:2px solid var(--border);
  border-radius:14px;
  cursor:pointer;
  transition:.2s;
  text-align:center;
  background:#fff;
  box-shadow:var(--shadow-soft);
}
.radio-option input[type=radio]:checked+label,.checkbox-option input[type=checkbox]:checked+label {
  border-color:var(--orange);
  background:linear-gradient(135deg,rgba(255,107,74,.08) 0%,rgba(255,138,111,.1) 100%);
  font-weight:600;
  transform:translateY(-1px);
}
.checkbox-option input[type=checkbox]:checked+label::after {
  content:"✓";
  color:var(--orange);
  font-weight:800;
  position:absolute;
  right:12px;
  top:10px;
}
.radio-option label:hover,.checkbox-option label:hover {
  box-shadow:0 10px 24px rgba(0,0,0,.08);
}
.input-group {
  display:flex;
  align-items:center;
  gap:10px;
}
.input-group .form-control {
  flex:1;
}
.input-group-text {
  padding:12px 15px;
  background:#f6f4f1;
  border:2px solid var(--border);
  border-radius:12px;
  color:#6c757d;
}
.buttons {
  display:flex;
  justify-content:space-between;
  margin-top:30px;
  padding-top:20px;
  border-top:1px solid var(--border);
}
.btn {
  padding:12px 30px;
  font-size:16px;
  font-weight:600;
  border:none;
  border-radius:14px;
  cursor:pointer;
  transition:.2s;
  text-decoration:none;
  display:inline-block;
}
.btn-secondary {
  background:#faf9f7;
  color:#495057;
  border:1px solid var(--border);
}
.btn-secondary:hover {
  background:#f0eeea;
  box-shadow:var(--shadow-soft);
}
.btn-primary {
  background:linear-gradient(135deg,var(--orange) 0%,#ff8a6f 100%);
  color:#fff;
}
.btn-primary:hover {
  transform:translateY(-1px);
  box-shadow:0 10px 22px rgba(255,107,74,.35);
}
.btn-success {
  background:linear-gradient(135deg,var(--green-dark) 0%,var(--green-light) 100%);
  color:#fff;
}
.btn-success:hover {
  transform:translateY(-1px);
  box-shadow:0 10px 22px rgba(45,74,43,.25);
}
.results {
  display:none;
}
.results.active {
  display:block;
}
.result-cards {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:20px;
  margin-bottom:20px;
}
.result-card { 
  background:#fcfbfa;
  border-radius:16px;
  padding:20px;
  position:relative;
  border:2px solid transparent;
  transition:.25s;
  box-shadow:var(--shadow-soft);
  display:flex;
  flex-direction:column;
  height:100%;
}
.result-card:hover {
  transform:translateY(-2px);
  box-shadow:0 12px 28px rgba(0,0,0,.08);
}
.result-card.highlight {
  border-color:var(--green-dark);
  background-color:#fff;
  background-image:linear-gradient(135deg,rgba(45,74,43,.08) 0%,rgba(164,181,163,.2) 100%);
  box-shadow:0 14px 36px rgba(45,74,43,.18);
}
.result-card.highlight::before {
  content:"EMPFOHLEN";
  position:absolute;
  top:-10px;
  right:20px;
  background:linear-gradient(135deg,var(--green-dark) 0%,#3b5c39 100%);
  color:#fff;
  padding:4px 12px;
  border-radius:20px;
  font-size:11px;
  font-weight:700;
  letter-spacing:.3px;
}
.result-card h3 {
  font-size:18px;
  color:#343a40;
  margin-bottom:15px;
}
.card-header-with-info {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
}
.card-header-with-info h3 {
  margin-bottom:0;
}
.card-header-with-info .info-icon {
  flex-shrink:0;
  margin-left:8px;
}
.price-range {
  font-size:32px;
  font-weight:800;
  color:var(--green-dark);
  margin-bottom:10px;
}
.price-details {
  font-size:14px;
  color:#6c757d;
  margin-bottom:15px;
}
.pros-cons {
  margin-top:16px;
  padding-top:12px;
  border-top:1px solid var(--border);
  display:grid;
  gap:6px;
}
.pro {
  color:var(--green-dark);
}
.con {
  color:var(--error);
}
.contact-section {
  margin-top:24px;
  padding:24px;
  border:1px solid var(--border);
  border-radius:16px;
  background:linear-gradient(135deg,rgba(164,181,163,.14) 0%,rgba(255,107,74,.08) 100%);
  box-shadow:var(--shadow-soft);
}
.contact-form[hidden] {
  display:none;
}
.contact-success {
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:16px;
  padding:32px 28px;
  border-radius:24px;
  background:#f4f6f3;
  border:1px solid rgba(45,74,43,.12);
  box-shadow:0 12px 30px rgba(45,74,43,.1);
}
.contact-success[hidden] {
  display:none;
}
.contact-success h3 {
  font-size:22px;
  color:var(--green-dark);
  font-weight:700;
  letter-spacing:.2px;
}
.contact-success > p:not(.contact-success-subtitle) {
  color:rgba(45,74,43,.82);
  font-size:16px;
}
.contact-success-subtitle {
  color:var(--green-dark);
  font-weight:700;
  font-size:17px;
}
.contact-success-benefits {
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:12px;
  width:100%;
}
.contact-success-benefits li {
  display:flex;
  align-items:flex-start;
  gap:14px;
  line-height:1.6;
  padding:14px 18px;
  border-radius:16px;
  background:#fff;
  box-shadow:0 10px 24px rgba(0,0,0,.04);
}
.contact-success-check {
  font-weight:700;
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:26px;
  height:26px;
  border-radius:999px;
  background:var(--orange);
  font-size:15px;
  line-height:1;
  flex-shrink:0;
  box-shadow:0 6px 16px rgba(255,107,74,.28);
}
.contact-success-benefit-text {
  color:var(--green-dark);
  font-weight:600;
  font-size:15px;
}
.contact-section h3 {
  font-size:26px;
  color:#1f2f1e;
  margin-bottom:18px;
  font-weight:700;
  text-align:center;
}
.contact-subtitle {
  margin-bottom:14px;
  text-align:center;
}
.contact-benefits {
  background:#fff;
  border-radius:12px;
  padding:16px 18px;
  border:1px solid rgba(45,74,43,.08);
  box-shadow:0 6px 16px rgba(0,0,0,.04);
  margin-bottom:20px;
}
.benefit-badge {
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(45,74,43,.08);
  color:var(--green-dark);
  font-weight:600;
  font-size:13px;
  padding:6px 12px;
  border-radius:999px;
  margin-bottom:12px;
}
.contact-benefits ul {
  list-style:none;
  display:grid;
  gap:8px;
  color:#495057;
  font-size:14px;
}
.contact-benefits li {
  display:flex;
  align-items:flex-start;
  gap:8px;
}
.contact-benefits li::before {
  content:"•";
  color:var(--orange);
  font-size:18px;
  line-height:1;
}
.contact-grid {
  display:grid;
  row-gap:4px;
  column-gap:14px;
}
.contact-grid .optional {
  font-weight:500;
  color:#6c757d;
  font-size:13px;
}
.contact-actions {
  margin-top:18px;
  display:flex;
  justify-content:center;
}

.contact-submit {
  align-self:center;
  min-width:260px;
  max-width:100%;
  padding:16px 28px;
  font-weight:600;
  font-size:16px;
  border-radius:12px;
  text-align:center;
}

.contact-submit.is-loading {
  cursor:wait;
  opacity:.85;
}

.contact-note {
  margin-top:12px;
  font-size:13px;
  color:#495057;
  text-align:center;
}
.result-tip {
  margin:28px 0 0;
  padding:18px 20px;
  border:1px dashed var(--border);
  border-radius:14px;
  background:#fafaf8;
  color:var(--text);
  font-size:14px;
  line-height:1.5;
}
.result-tip strong {
  display:block;
  margin-bottom:4px;
  color:var(--green-dark);
}

@media (min-width:720px) {
  .contact-grid {
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .contact-actions {
    margin-top:24px;
  }
}
.help-text {
  font-size:12px;
  color:#6c757d;
  margin-top:5px;
}
.auto-zone-hint {
  margin-top:-8px;
  margin-bottom:18px;
}
.spinner {
  display:none;
  width:40px;
  height:40px;
  border:4px solid #eee;
  border-top:4px solid var(--orange);
  border-radius:50%;
  animation:spin 1s linear infinite;
  margin:20px auto;
}
@keyframes spin {
  0% {
    transform:rotate(0);
  }
  100% {
    transform:rotate(360deg);
  }
}
.error-message,.inline-error {
  color:var(--error);
  font-size:12px;
  margin-top:6px;
  display:none;
}
.field-error {
  border-color:var(--error)!important;
  box-shadow:0 0 0 4px rgba(220,53,69,.15)!important;
}
.group-error .radio-option label,.group-error .checkbox-option label {
  border-color:var(--error)!important;
  box-shadow:0 0 0 4px rgba(220,53,69,.12)!important;
}
.group-error .group-error-text {
  display:block;
}
.info-bubble {
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:10px;
}
.info-bubble label {
  margin-bottom:0;
}
.info-icon {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:20px;
  height:20px;
  border-radius:50%;
  background:#f0eeea;
  color:#555;
  font-size:12px;
  font-weight:700;
  cursor:default;
  position:relative;
}
.info-icon .tooltip {
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  bottom:130%;
  background:#fff;
  color:#333;
  padding:10px 12px;
  border:1px solid var(--border);
  border-radius:12px;
  box-shadow:var(--shadow-soft);
  white-space:normal;
  width:260px;
  font-size:12px;
  line-height:1.4;
  display:none;
  z-index:5;
}
.info-icon:hover .tooltip,.info-icon:focus .tooltip {
  display:block;
}
.grid-2 {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:12px;
  align-items:start;
}
/* Accordion */
.accordion {
  border:1px solid var(--border);
  border-radius:14px;
  overflow:hidden;
  background:#fff;
}
.acc-item+ .acc-item {
  border-top:1px solid var(--border);
}
.acc-header {
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:14px 16px;
  cursor:pointer;
  background:#fcfbfa;
}
.acc-title {
  font-weight:700;
}
.acc-body {
  display:none;
  padding:16px;
  background:#fff;
}
.acc-item.open .acc-body {
  display:block;
}
.table {
  width:100%;
  border-collapse:collapse;
  font-size:14px;
}
.table th,.table td {
  border:1px solid var(--border);
  padding:8px 10px;
  text-align:left;
  vertical-align:top;
}
.table th {
  background:#faf9f7;
}
@media (max-width:768px) {
  .calculator-header h1 {
    font-size:24px;
  }
  .progress-step-label {
    display:none;
  }
  .result-cards {
    grid-template-columns:1fr;
  }
  .btn {
    width:100%;
  }
  .buttons {
    flex-direction:column;
    gap:12px;
    align-items:stretch;
  }
}

@media (max-width:600px) {
  .calculator-header {
    padding:24px 20px;
  }

  .value-proposition {
    padding:20px;
  }

  .value-points {
    gap:12px;
  }

  .value-points li {
    padding:14px;
  }

  .progress-bar {
    padding:16px 20px;
  }

  .progress-steps {
    justify-content:flex-start;
    gap:18px;
    overflow-x:auto;
    padding-bottom:8px;
    margin:0 -20px;
    padding-left:20px;
    padding-right:20px;
    scroll-snap-type:x proximity;
    -webkit-overflow-scrolling:touch;
  }

  .progress-steps::before {
    left:20px;
    right:20px;
  }

  .progress-steps::-webkit-scrollbar {
    display:none;
  }

  .progress-step {
    flex:0 0 auto;
    scroll-snap-align:start;
  }

  .contact-benefits ul {
    list-style:disc;
    padding-left:20px;
  }

  .contact-benefits li {
    display:list-item;
  }

  .contact-benefits li::before {
    content:none;
  }
}

@media (max-width:1024px), (max-height:900px) {
  body {
    display:block;
    min-height:auto;
    padding:16px;
  }

  .calculator-container {
    margin:0 auto;
  }

  .calculator-body {
    padding:24px 20px;
  }
}