/* Städtebau page styles */
.staedtebau-main {
  width: 100%;
}

/* Hero */
.staedtebau-hero {
  padding-block: var(--space-3xl);
  background-color: var(--color-architectural-white);
}

.staedtebau-hero__container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.staedtebau-hero__text {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  text-align: start;
}

.staedtebau-hero__label {
  margin-block-end: 0;
}

.staedtebau-hero__title {
  margin-block-end: 0;
  max-width: 18ch;
}

.staedtebau-hero__lead {
  margin-block-end: 0;
  max-width: 60ch;
}

.staedtebau-hero__copy {
  margin-block-end: 0;
  max-width: 60ch;
}

.staedtebau-hero__figure {
  margin-block-end: 0;
  min-width: 0;
}

.staedtebau-hero__figure img {
  width: 100%;
  height: auto;
  border: 1px solid var(--color-concrete-grey);
  border-radius: var(--radius-none);
}

@media (min-width: 768px) {
  .staedtebau-hero__container {
    grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
    gap: var(--space-2xl);
  }

  .staedtebau-hero__text {
    padding-block-start: var(--space-md);
  }
}

/* Section labels and titles */
.staedtebau-section-label {
  margin-block-end: var(--space-xs);
}

.staedtebau-section-title {
  margin-block-end: var(--space-xl);
}

/* Grundlagen */
.staedtebau-grundlagen {
  padding-block: var(--space-3xl);
  background-color: var(--color-architectural-white);
}

.staedtebau-grundlagen__container {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.staedtebau-grundlagen__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.staedtebau-tool {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.staedtebau-tool__title {
  margin-block-end: 0;
}

.staedtebau-tool__text {
  margin-block-end: 0;
  max-width: 70ch;
}

.staedtebau-tool__list {
  margin-block-end: 0;
  padding-inline-start: var(--space-lg);
  max-width: 70ch;
}

.staedtebau-tool__list li {
  margin-block-end: var(--space-xs);
}

.staedtebau-tool__list li:last-child {
  margin-block-end: 0;
}

/* Diagram */
.staedtebau-diagram {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background-color: var(--color-soft-concrete);
  border: 1px solid var(--color-concrete-grey);
  border-radius: var(--radius-card);
  max-width: 720px;
  width: 100%;
}

.staedtebau-diagram__node {
  font-family: var(--font-heading);
  font-size: var(--text-caption-size);
  font-weight: 600;
  color: var(--color-deep-navy);
  background-color: var(--color-architectural-white);
  border: 1px solid var(--color-concrete-grey);
  border-radius: var(--radius-button);
  padding: var(--space-xs) var(--space-sm);
  white-space: nowrap;
}

.staedtebau-diagram__node--result {
  background-color: var(--color-restrained-yellow);
  border-color: var(--color-blueprint-blue);
}

.staedtebau-diagram__arrow {
  font-family: var(--font-heading);
  color: var(--color-concrete-grey);
  font-size: 1.25rem;
  line-height: 1;
}

/* Schritte */
.staedtebau-schritte {
  padding-block: var(--space-3xl);
  background-color: var(--color-architectural-white);
  border-top: 1px solid var(--color-concrete-grey);
  border-bottom: 1px solid var(--color-concrete-grey);
}

.staedtebau-schritte__container {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.staedtebau-steps {
  list-style: none;
  padding-inline-start: 0;
  margin-block-end: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.staedtebau-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-md);
  align-items: start;
  min-width: 0;
}

.staedtebau-step__number {
  font-family: var(--font-heading);
  font-size: var(--text-h3-size);
  font-weight: 700;
  color: var(--color-blueprint-blue);
  background-color: var(--color-soft-concrete);
  border: 1px solid var(--color-concrete-grey);
  border-radius: var(--radius-card);
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.staedtebau-step__content {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.staedtebau-step__title {
  margin-block-end: 0;
}

.staedtebau-step__text {
  margin-block-end: 0;
  max-width: 70ch;
}

/* Verkehr */
.staedtebau-verkehr {
  padding-block: var(--space-3xl);
  background-color: var(--color-architectural-white);
}

.staedtebau-verkehr__container {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.staedtebau-verkehr__block {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.staedtebau-verkehr__subtitle {
  margin-block-end: 0;
}

.staedtebau-verkehr__text {
  margin-block-end: 0;
  max-width: 70ch;
}

.staedtebau-table-wrap {
  overflow-x: auto;
  max-width: 720px;
  width: 100%;
}

.staedtebau-table {
  min-width: 480px;
  margin-block-end: 0;
}

.staedtebau-tip-list {
  margin-block-end: 0;
  padding-inline-start: var(--space-lg);
  max-width: 70ch;
}

.staedtebau-tip-list li {
  margin-block-end: var(--space-xs);
}

.staedtebau-tip-list li:last-child {
  margin-block-end: 0;
}

.staedtebau-diagram--road {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-xs);
  max-width: 720px;
}

.staedtebau-diagram__road {
  font-family: var(--font-heading);
  font-size: var(--text-caption-size);
  font-weight: 600;
  color: var(--color-deep-navy);
  background-color: var(--color-architectural-white);
  border: 1px solid var(--color-concrete-grey);
  border-radius: var(--radius-button);
  padding: var(--space-xs) var(--space-sm);
  width: 100%;
  max-width: 320px;
}

.staedtebau-diagram__road--main {
  border-inline-start: 4px solid var(--color-blueprint-blue);
}

.staedtebau-diagram__road--oneway {
  border-inline-start: 4px solid var(--color-restrained-yellow);
}

/* Zonen */
.staedtebau-zonen {
  padding-block: var(--space-3xl);
  background-color: var(--color-architectural-white);
  border-top: 1px solid var(--color-concrete-grey);
  border-bottom: 1px solid var(--color-concrete-grey);
}

.staedtebau-zonen__container {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.staedtebau-zonen__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.staedtebau-zone-card {
  min-width: 0;
  background-color: var(--color-architectural-white);
  border: 1px solid var(--color-concrete-grey);
  border-radius: var(--radius-card);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.staedtebau-zone-card__header {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.staedtebau-zone-card__title {
  margin-block-end: 0;
}

.staedtebau-zone-card__text {
  margin-block-end: 0;
  max-width: 70ch;
}

@media (min-width: 768px) {
  .staedtebau-zonen__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* Spezialgebäude */
.staedtebau-spezial {
  padding-block: var(--space-3xl);
  background-color: var(--color-architectural-white);
}

.staedtebau-spezial__container {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.staedtebau-spezial__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.staedtebau-spezial-card {
  min-width: 0;
  background-color: var(--color-soft-concrete);
  border: 1px solid var(--color-concrete-grey);
  border-radius: var(--radius-card);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.staedtebau-spezial-card__title {
  margin-block-end: 0;
}

.staedtebau-spezial-card__text {
  margin-block-end: 0;
  max-width: 70ch;
}

.staedtebau-spezial-card__list {
  margin-block-end: 0;
  padding-inline-start: var(--space-lg);
  max-width: 70ch;
}

.staedtebau-spezial-card__list li {
  margin-block-end: var(--space-xs);
}

.staedtebau-spezial-card__list li:last-child {
  margin-block-end: 0;
}

@media (min-width: 768px) {
  .staedtebau-spezial__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.staedtebau-diagram--radius {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  max-width: 720px;
  width: 100%;
  overflow: hidden;
}

.staedtebau-diagram__radius-center {
  position: relative;
  z-index: 2;
  font-family: var(--font-heading);
  font-size: var(--text-caption-size);
  font-weight: 600;
  color: var(--color-deep-navy);
  background-color: var(--color-architectural-white);
  border: 1px solid var(--color-concrete-grey);
  border-radius: var(--radius-button);
  padding: var(--space-xs) var(--space-sm);
}

.staedtebau-diagram__radius-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 160px;
  height: 160px;
  border: 1px dashed var(--color-blueprint-blue);
  border-radius: 50%;
  z-index: 1;
}

.staedtebau-diagram__radius-label {
  position: absolute;
  bottom: var(--space-sm);
  right: var(--space-md);
  font-family: var(--font-heading);
  font-size: var(--text-label-size);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-concrete-grey);
  z-index: 2;
}

/* Ressourcen */
.staedtebau-ressourcen {
  padding-block: var(--space-3xl);
  background-color: var(--color-architectural-white);
  border-top: 1px solid var(--color-concrete-grey);
  border-bottom: 1px solid var(--color-concrete-grey);
}

.staedtebau-ressourcen__container {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.staedtebau-ressourcen__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.staedtebau-ressourcen-card {
  min-width: 0;
  background-color: var(--color-architectural-white);
  border: 1px solid var(--color-concrete-grey);
  border-radius: var(--radius-card);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.staedtebau-ressourcen-card__title {
  margin-block-end: 0;
}

.staedtebau-ressourcen-card__text {
  margin-block-end: 0;
  max-width: 70ch;
}

@media (min-width: 768px) {
  .staedtebau-ressourcen__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.staedtebau-diagram--resources {
  max-width: 720px;
}

/* Fortgeschritten */
.staedtebau-fortgeschritten {
  padding-block: var(--space-3xl);
  background-color: var(--color-architectural-white);
}

.staedtebau-fortgeschritten__container {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.staedtebau-fortgeschritten__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.staedtebau-technique {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.staedtebau-technique__title {
  margin-block-end: 0;
}

.staedtebau-technique__text {
  margin-block-end: 0;
  max-width: 70ch;
}

.staedtebau-fortgeschritten__figure {
  margin-block-end: 0;
  min-width: 0;
}

.staedtebau-fortgeschritten__figure img {
  width: 100%;
  height: auto;
  border: 1px solid var(--color-concrete-grey);
  border-radius: var(--radius-none);
}

/* FAQ */
.staedtebau-faq {
  padding-block: var(--space-3xl);
  background-color: var(--color-architectural-white);
  border-top: 1px solid var(--color-concrete-grey);
  border-bottom: 1px solid var(--color-concrete-grey);
}

.staedtebau-faq__container {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.staedtebau-faq__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 720px;
  width: 100%;
}

.staedtebau-faq-item {
  min-width: 0;
  background-color: var(--color-architectural-white);
  border: 1px solid var(--color-concrete-grey);
  border-radius: var(--radius-card);
  transition: box-shadow var(--transition-fast);
}

.staedtebau-faq-item.is-open {
  box-shadow: var(--shadow-subtle);
}

.staedtebau-faq-item__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: none;
  border: none;
  cursor: pointer;
  text-align: start;
  font-family: var(--font-heading);
  font-size: var(--text-h4-size);
  font-weight: 600;
  color: var(--color-blueprint-blue);
  line-height: 1.4;
  border-radius: var(--radius-card);
  transition: background-color var(--transition-fast);
}

.staedtebau-faq-item__trigger:hover {
  background-color: var(--color-soft-concrete);
}

.staedtebau-faq-item__trigger:focus-visible {
  outline: 2px solid var(--color-blueprint-blue);
  outline-offset: -2px;
}

.staedtebau-faq-item__question {
  min-width: 0;
}

.staedtebau-faq-item__icon {
  flex-shrink: 0;
  width: 1rem;
  height: 1rem;
  position: relative;
  display: inline-block;
}

.staedtebau-faq-item__icon::before,
.staedtebau-faq-item__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.75rem;
  height: 2px;
  background-color: var(--color-blueprint-blue);
  transform: translate(-50%, -50%);
  transition: transform var(--transition-medium);
}

.staedtebau-faq-item__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.staedtebau-faq-item.is-open .staedtebau-faq-item__icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.staedtebau-faq-item__answer {
  padding: 0 var(--space-lg) var(--space-lg);
}

.staedtebau-faq-item__text {
  margin-block-end: 0;
  max-width: 70ch;
}

/* Fazit */
.staedtebau-fazit {
  padding-block: var(--space-3xl);
  background-color: var(--color-architectural-white);
}

.staedtebau-fazit__container {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.staedtebau-fazit__text {
  margin-block-end: 0;
  max-width: 70ch;
}

.staedtebau-fazit__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  max-width: 720px;
  width: 100%;
}

/* Fade-in animation for sections */
.staedtebau-main .section {
  animation: staedtebau-fade-in 300ms ease-out both;
}

@keyframes staedtebau-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .staedtebau-main .section {
    animation: none;
  }
}

/* Responsive adjustments */
@media (max-width: 767px) {
  .staedtebau-hero__container {
    gap: var(--space-lg);
  }

  .staedtebau-hero__title {
    font-size: clamp(1.8rem, 7vw, 2.2rem);
  }

  .staedtebau-section-title {
    font-size: clamp(1.5rem, 5vw, 1.8rem);
  }

  .staedtebau-step {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .staedtebau-step__number {
    width: 2rem;
    height: 2rem;
    font-size: var(--text-h4-size);
  }

  .staedtebau-diagram {
    flex-direction: column;
    align-items: flex-start;
  }

  .staedtebau-diagram__arrow {
    transform: rotate(90deg);
  }

  .staedtebau-diagram--radius {
    min-height: 140px;
  }

  .staedtebau-diagram__radius-circle {
    width: 120px;
    height: 120px;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .staedtebau-hero__container {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-xl);
  }

  .staedtebau-zonen__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}