*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, #f6f7fb 0, #e3edf2 45%, #dde5ec 100%);
  color: #111827;
  -webkit-font-smoothing: antialiased;
}

.page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.card {
  width: 100%;
  max-width: 840px;
  background-color: #ffffff;
  border-radius: 20px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.06);
  padding: 28px 22px 26px;
  display: grid;
  gap: 20px;
}

@media (min-width: 860px) {
  .card {
    padding: 32px 32px 30px;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    column-gap: 40px;
    row-gap: 28px;
  }
}

@media (max-width: 640px) {
  .page { padding: 14px; }
  .card {
    border-radius: 18px;
    padding: 22px 16px 20px;
  }
}

.card__header { grid-column: 1 / -1; }

.card__header h1 {
  font-size: 1.9rem;
  letter-spacing: 0.02em;
  margin-bottom: 8px;
}

.card__header p {
  font-size: 0.95rem;
  color: #6b7280;
  max-width: 36rem;
  line-height: 1.5;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form__group label {
  font-size: 0.86rem;
  font-weight: 500;
  color: #374151;
}

.form__group input[type="number"],
.form__group select {
  border-radius: 999px;
  border: 1px solid #e5e7eb;
  padding: 10px 14px;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
  background-color: #f9fafb;
}

.form__group select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, #9ca3af 50%),
    linear-gradient(135deg, #9ca3af 50%, transparent 50%);
  background-position: calc(100% - 16px) 50%, calc(100% - 11px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 32px;
}

.form__group input[type="number"]::placeholder { color: #9ca3af; }

.form__group input[type="number"]:focus,
.form__group select:focus {
  border-color: #0f766e;
  box-shadow: 0 0 0 1px rgba(15, 118, 110, 0.12);
  background-color: #ffffff;
}

.form__group input[type="range"] {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  margin-top: 2px;
}

.form__group input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, #0f766e, #a7f3d0);
}

.form__group input[type="range"]::-moz-range-track {
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, #0f766e, #a7f3d0);
}

.form__group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background-color: #ffffff;
  border: 2px solid #0f766e;
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.15);
  margin-top: -6px;
}

.form__group input[type="range"]::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background-color: #ffffff;
  border: 2px solid #0f766e;
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.15);
}

.range-meta {
  display: flex;
  justify-content: flex-end;
  margin-top: 2px;
}

.range-meta__value {
  font-size: 0.8rem;
  color: #4b5563;
}

.form__inline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-top: 6px;
}

.checkbox {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  color: #374151;
  cursor: pointer;
}

.checkbox input[type="checkbox"] {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  border: 1px solid #d1d5db;
  appearance: none;
  display: inline-block;
  vertical-align: middle;
  position: relative;
  background-color: #f9fafb;
  transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.checkbox input[type="checkbox"]::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 2px;
  background-color: transparent;
  transition: background-color 0.15s ease;
}

.checkbox input[type="checkbox"]:checked {
  border-color: #0f766e;
  background-color: #0f766e;
  box-shadow: 0 0 0 1px rgba(15, 118, 110, 0.16);
}

.checkbox input[type="checkbox"]:checked::after {
  background-color: #ecfdf5;
}

.button {
  margin-top: 10px;
  border-radius: 999px;
  border: 1px solid rgba(15, 118, 110, 0.35);
  padding: 11px 22px;
  font-size: 0.96rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: linear-gradient(135deg, #0f766e, #0b7661);
  color: #ecfdf5;
  cursor: pointer;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease;
  box-shadow: 0 10px 28px rgba(15, 118, 110, 0.16);
}

.button:hover {
  filter: brightness(1.02);
  transform: translateY(-1px);
  box-shadow: 0 16px 36px rgba(15, 118, 110, 0.2);
}

.button:active {
  transform: translateY(0);
  box-shadow: 0 8px 22px rgba(15, 118, 110, 0.2);
}

.form__hint {
  margin-top: 6px;
  font-size: 0.8rem;
  color: #9ca3af;
}

.form__error {
  min-height: 1.2em;
  margin-top: 4px;
  font-size: 0.82rem;
  color: #b91c1c;
}

/* Results */
.results {
  border-radius: 16px;
  background: linear-gradient(135deg, #f4faf7, #f9fafb);
  padding: 18px 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.results h2 {
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #047857;
}

.results__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 480px) {
  .results__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.results__item {
  padding: 12px 14px 11px;
  border-radius: 14px;
  background-color: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(209, 213, 219, 0.9);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.04);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.results__label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #6b7280;
}

.results__value {
  font-size: 1.08rem;
  font-weight: 600;
  color: #111827;
}

.results__note {
  font-size: 0.8rem;
  color: #6b7280;
}

.results + .results { margin-top: 8px; }

/* Investment section */
.investment {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.investment__title {
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #047857;
  margin-bottom: 4px;
}

.investment__inputs {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 24px;
}

.investment__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 520px) {
  .investment__row {
    grid-template-columns: 1fr;
  }
}

.investment__block {
  padding: 16px 0 0;
  border-top: 1px solid #e5e7eb;
}

.investment__block-label {
  display: block;
  font-size: 0.86rem;
  font-weight: 500;
  color: #374151;
  margin-bottom: 12px;
}

.investment__costs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px 20px;
}

.investment__results {
  margin-bottom: 20px;
}

.investment__results .results__grid {
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
}

.investment__note {
  margin-top: 0;
}

/* Projektvurdering */
.assessment {
  background: #f8faf9;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  padding: 18px 20px;
  margin-bottom: 14px;
}

.assessment__title {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #374151;
  margin-bottom: 14px;
}

.assessment__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 24px;
}

@media (min-width: 480px) {
  .assessment__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.assessment__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.assessment__label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #6b7280;
}

.assessment__value {
  font-size: 1rem;
  font-weight: 600;
  color: #111827;
}

.assessment__item--return-high .assessment__value--return {
  color: #047857;
}

.assessment__item--return-mid .assessment__value--return {
  color: #b45309;
}

.assessment__item--return-low .assessment__value--return {
  color: #b91c1c;
}

/* Report CTA */
.report-cta {
  grid-column: 1 / -1;
  margin-top: 24px;
  padding: 20px 22px;
  background: #f8faf9;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
}

.report-cta--highlight {
  background: linear-gradient(135deg, #f0fdf4, #f8faf9);
  border-color: rgba(15, 118, 110, 0.25);
  padding: 22px 24px;
}

.report-cta__title {
  font-size: 1rem;
  font-weight: 600;
  color: #111827;
  margin-bottom: 10px;
}

.report-cta__desc {
  font-size: 0.9rem;
  color: #374151;
  margin-bottom: 8px;
}

.report-cta__list {
  font-size: 0.9rem;
  color: #4b5563;
  margin: 0 0 12px 1.2em;
  padding: 0;
}

.report-cta__list li {
  margin-bottom: 4px;
}

.report-cta__price {
  font-size: 0.9rem;
  font-weight: 600;
  color: #047857;
  margin-bottom: 14px;
}

.report-cta__button {
  margin-top: 0;
}

.report-cta__stripe-note {
  font-size: 0.78rem;
  color: #6b7280;
  margin-top: 10px;
  margin-bottom: 0;
}

/* Explain block */
.explain-block {
  margin-top: 20px;
  padding: 16px 18px;
  background: #fafafa;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
}

.explain-block__title {
  font-size: 0.9rem;
  font-weight: 600;
  color: #374151;
  margin-bottom: 8px;
}

.explain-block__text {
  font-size: 0.88rem;
  color: #4b5563;
  line-height: 1.5;
  margin: 0;
}

/* SEO content */
.seo-content {
  grid-column: 1 / -1;
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid #e5e7eb;
}

@media (max-width: 640px) {
  .seo-content {
    margin-top: 24px;
    padding-top: 20px;
  }
}

.seo-content__heading {
  font-size: 1.1rem;
  font-weight: 600;
  color: #111827;
  margin: 24px 0 10px;
}

.seo-content__heading:first-child {
  margin-top: 0;
}

.seo-content p {
  font-size: 0.92rem;
  color: #4b5563;
  line-height: 1.55;
  margin: 0 0 12px;
}

/* Success / Cancel pages */
.card--narrow {
  max-width: 420px;
}

.success-actions__hint {
  font-size: 0.9rem;
  color: #6b7280;
  margin-top: 8px;
  margin-bottom: 12px;
}

.success-actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 8px;
}

.success-link {
  font-size: 0.9rem;
  color: #047857;
  text-decoration: none;
}

.success-link:hover {
  text-decoration: underline;
}

.button--as-link {
  display: inline-block;
  text-align: center;
  text-decoration: none;
  background: transparent;
  color: #0f766e;
  border: 1px solid #0f766e;
}

.button--as-link:hover {
  background: rgba(15, 118, 110, 0.08);
}