/* ==========================================================================
 * Smart Cities (page-smart-cities.php, single-smart_city_project.php)
 * Standalone stylesheet, loaded only on those views.
 * ========================================================================== */

.smart-cities {
  --sc-surface: #ffffff;
  --sc-surface-sunken: #ebf0f2;
  --sc-border: #dae1e3;
  --sc-border-strong: #aebabe;
  --sc-text: #2e3132;
  --sc-text-muted: #595e67;
  --sc-text-faint: #7f888d;
  --sc-primary: #2b6181;
  --sc-primary-soft: #e3f1fb;
  --sc-icon-accent: #d79a86;
  --sc-placeholder: #e0e4e6;
  --sc-placeholder-strong: #ccd2d5;
  --sc-placeholder-ink: #52595e;

  --sc-radius-sm: .5rem;
  --sc-radius-md: .75rem;
  --sc-radius-pill: 999rem;
  --sc-shadow-sm: 0 1px 2px rgba(20, 45, 62, .06);
  --sc-shadow-md: 0 2px 4px rgba(20, 45, 62, .06), 0 6px 16px rgba(20, 45, 62, .07);
  --sc-ease: cubic-bezier(.22, .61, .36, 1);
  --sc-duration: .2s;
  --sc-measure: 68ch;
}

.smart-cities .sc-page p,
.smart-cities .sc-page h1,
.smart-cities .sc-page h2,
.smart-cities .sc-page ul,
.smart-cities .sc-page ol,
.smart-cities .sc-page figure {
  margin: 0;
}

.smart-cities .sc-page ul,
.smart-cities .sc-page ol {
  padding: 0;
  list-style: none;
}

.sc-page {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  color: var(--sc-text);
}

.sc-icon {
  width: 36px;
  height: 36px;
  flex: none;
}

.sc-icon--sm {
  width: 18px;
  height: 18px;
}

/* ---------- Index: hero ---------- */

.sc-hero {
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.sc-eyebrow {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--sc-primary);
}

.smart-cities h1.sc-title,
.smart-cities h1.sc-project__title {
  padding: 0;
  font-size: 2.75rem;
  font-weight: 700;
  line-height: 1.22;
  color: var(--sc-text);
}

.sc-lead,
.sc-project__body > :is(p, ul, ol, h2, h3, h4, blockquote) {
  max-width: var(--sc-measure);
}

.sc-lead,
.sc-project__body {
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--sc-text-muted);
}

.smart-cities .sc-lead p,
.smart-cities .sc-project__body p {
  font-size: inherit;
  line-height: inherit;
}

.smart-cities .sc-lead > * + *,
.smart-cities .sc-project__body > * + * {
  margin-top: 1rem;
}

.sc-stats {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 1.5rem;
  margin-top: .75rem;
}

.sc-stat,
.sc-banner {
  background: var(--sc-surface);
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius-md);
  box-shadow: var(--sc-shadow-sm);
}

.sc-stat {
  flex: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .25rem;
  padding: 2rem 3rem;
}

.sc-stat__label {
  font-size: .75rem;
  font-weight: 700;
  white-space: nowrap;
}

.sc-stat__value {
  font-size: 2.75rem;
  line-height: 1.22;
}

.sc-banner {
  flex: 1 1 16rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 2rem;
}

.sc-banner__image {
  width: 100%;
  max-width: 30rem;
  height: auto;
}

/* ---------- Index: categories accordion ---------- */

.sc-categories {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sc-category {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--sc-surface);
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius-md);
  box-shadow: var(--sc-shadow-sm);
  transition: box-shadow var(--sc-duration) var(--sc-ease), border-color var(--sc-duration) var(--sc-ease);
  scroll-margin-top: 1rem;
}

.sc-category:has(.sc-tile:hover) {
  border-color: var(--sc-border-strong);
  box-shadow: var(--sc-shadow-md);
}

.sc-category:has(.sc-tile[aria-expanded="true"]) {
  border-color: var(--sc-primary);
  box-shadow: var(--sc-shadow-md);
}

.sc-tile {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  padding: 1rem 1.5rem 1rem 1rem;
  background: var(--sc-surface);
  color: inherit;
  text-align: start;
  font: inherit;
  border: 0;
  cursor: pointer;
  appearance: none;
  transition: background-color var(--sc-duration) var(--sc-ease);
}

.sc-tile:hover {
  background: var(--sc-surface-sunken);
}

.sc-tile[aria-expanded="true"] {
  background: var(--sc-primary-soft);
}

.sc-tile:focus-visible,
.sc-card:focus-visible,
.sc-panel__close:focus-visible {
  outline: 3px solid var(--sc-primary);
  outline-offset: 2px;
}

.sc-tile__icon {
  display: flex;
  align-items: center;
  flex: none;
  color: var(--sc-icon-accent);
}

.sc-tile__body {
  display: flex;
  flex-direction: column;
  gap: .125rem;
  flex: 1;
  min-width: 0;
}

.sc-tile__name {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--sc-text);
}

.sc-tile__summary {
  display: none;
  font-size: .875rem;
  line-height: 1.6;
  color: var(--sc-text-muted);
}

.sc-tile__arrow {
  flex: none;
  width: 1.25rem;
  height: 1.25rem;
  color: var(--sc-primary);
  transition: transform var(--sc-duration) var(--sc-ease);
}

.sc-tile[aria-expanded="true"] .sc-tile__arrow {
  transform: rotate(90deg);
}

.sc-tag {
  display: inline-block;
  padding: .125rem .5rem;
  border-radius: var(--sc-radius-pill);
  background: var(--sc-primary-soft);
  color: var(--sc-primary);
  font-size: .75rem;
  font-weight: 600;
  line-height: 1.35;
  white-space: nowrap;
}

@media (min-width: 30rem) {
  .sc-tile__name {
    font-size: 1.125rem;
  }

  .sc-tile__summary {
    display: block;
  }
}

.sc-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--sc-duration) var(--sc-ease);
}

.sc-category.is-open .sc-panel {
  grid-template-rows: 1fr;
}

.sc-panel__inner {
  min-height: 0;
  overflow: hidden;
}

.sc-panel__content {
  padding: 1rem 1.5rem 1.5rem;
  border-top: 1px solid var(--sc-border);
}

.sc-panel__close {
  display: block;
  margin: 1.5rem 0 0 auto;
  padding: .25rem .75rem;
  background: none;
  border: 1px solid var(--sc-border-strong);
  border-radius: var(--sc-radius-pill);
  font: inherit;
  font-size: .875rem;
  font-weight: 500;
  color: var(--sc-text-muted);
  cursor: pointer;
  transition: background-color .12s var(--sc-ease), border-color .12s var(--sc-ease);
}

.sc-panel__close:hover {
  background: var(--sc-surface-sunken);
  border-color: var(--sc-text-faint);
}

/* ---------- Index: project cards ---------- */

.sc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

/* 2 per row from tablet (Bootstrap sm), 3 per row on desktop (Bootstrap lg). */
@media (min-width: 576px) {
  .sc-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .sc-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

.sc-grid__item {
  display: flex;
}

.smart-cities a.sc-card {
  display: flex;
  flex-direction: column;
  width: 100%;
  overflow: hidden;
  background: var(--sc-surface);
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius-md);
  box-shadow: var(--sc-shadow-sm);
  color: inherit;
  text-decoration: none;
  transition: transform var(--sc-duration) var(--sc-ease), box-shadow var(--sc-duration) var(--sc-ease), border-color var(--sc-duration) var(--sc-ease);
}

.smart-cities a.sc-card:hover {
  border-color: var(--sc-border-strong);
  box-shadow: var(--sc-shadow-md);
  transform: translateY(-2px);
}

.sc-card__media {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.sc-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--sc-placeholder);
  color: var(--sc-placeholder-ink);
  box-shadow: inset 0 0 0 1px var(--sc-placeholder-strong);
}

.sc-placeholder__glyph {
  width: 1.75rem;
  height: 1.75rem;
}

.sc-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: .25rem;
  padding: 1rem;
}

.sc-card__title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--sc-text);
}

.sc-card__teaser {
  font-size: .875rem;
  line-height: 1.6;
  color: var(--sc-text-muted);
}

/* ---------- Single project ---------- */

.sc-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .25rem;
  font-size: .875rem;
}

.smart-cities .sc-breadcrumbs li {
  margin: 0;
  display: flex;
  align-items: center;
  gap: .25rem;
  min-width: 0;
}

.smart-cities .sc-breadcrumbs li::before {
  content: none;
  margin: 0;
}

.smart-cities .sc-breadcrumbs li + li::before {
  content: ">";
  font-weight: inherit;
  color: var(--sc-text);
}

.smart-cities .sc-breadcrumbs a {
  color: var(--sc-text);
  text-decoration: none;
}

.smart-cities .sc-breadcrumbs a:hover {
  color: var(--sc-primary);
  text-decoration: underline;
}

.sc-breadcrumbs [aria-current] {
  max-width: 40ch;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  color: var(--sc-primary);
}

.sc-project__hero {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sc-project__eyebrow {
  display: flex;
  align-items: center;
  gap: .25rem;
  font-size: .875rem;
  font-weight: 600;
  color: var(--sc-primary);
}

.sc-project__eyebrow .sc-icon {
  color: var(--sc-icon-accent);
}

.smart-cities h1.sc-project__title {
  max-width: 24ch;
  font-size: 1.75rem;
}

.sc-project__media {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--sc-radius-md);
}

/* Content blocks (core block CSS is dequeued by the theme) */

.sc-project__body img {
  max-width: 100%;
  height: auto;
}

.smart-cities .sc-project__body > * + :is(h2, h3, figure, .wp-block-gallery, .wp-block-embed, .wp-block-video) {
  margin-top: 2rem;
}

.smart-cities .sc-project__body h2 {
  font-size: 1.375rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--sc-text);
}

.smart-cities .sc-project__body figure {
  margin-left: 0;
  margin-right: 0;
}

.sc-project__body .wp-block-image img,
.sc-project__body .wp-block-video video {
  display: block;
  width: 100%;
  border-radius: var(--sc-radius-md);
}

.sc-project__body figcaption {
  margin-top: .5rem;
  font-size: .875rem;
  color: var(--sc-text-muted);
}

.smart-cities .sc-project__body .wp-block-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .75rem;
  padding: 0;
  list-style: none;
}

.smart-cities .sc-project__body .wp-block-gallery > * {
  margin: 0;
}

.sc-project__body .wp-block-gallery img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--sc-radius-sm);
}

.sc-project__body .wp-block-gallery > figcaption {
  grid-column: 1 / -1;
}

.sc-project__body .wp-block-embed__wrapper {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--sc-radius-md);
}

.sc-project__body .wp-block-embed__wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

@media (min-width: 48rem) {
  .smart-cities .sc-project__body .wp-block-gallery:is(.columns-3, .columns-default) {
    grid-template-columns: repeat(3, 1fr);
  }

  .smart-cities .sc-project__body .wp-block-gallery.columns-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.sc-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sc-section__heading {
  font-size: 1.375rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--sc-text);
}

.sc-video {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--sc-radius-md);
  background: var(--sc-placeholder-strong);
}

.sc-video iframe,
.sc-video video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

@media (min-width: 48rem) {
  .sc-page {
    gap: 3rem;
  }

  .smart-cities h1.sc-project__title {
    max-width: 20ch;
    font-size: 2.75rem;
  }
}

@media (max-width: 47.99rem) {
  .smart-cities h1.sc-title {
    font-size: 2.25rem;
  }

  .sc-stat {
    padding: 1.5rem 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .smart-cities * {
    transition: none !important;
  }
}

@media print {
  .sc-panel {
    grid-template-rows: 1fr;
  }

  .sc-panel__close {
    display: none;
  }
}