.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid rgba(221, 226, 231, 0.86);
  background: rgba(244, 246, 248, 0.94);
  backdrop-filter: blur(16px);
}

.site-header__inner {
  display: grid;
  grid-template-columns: minmax(170px, 1fr) auto minmax(170px, 1fr);
  align-items: center;
  height: 100%;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  width: max-content;
  gap: 11px;
  color: var(--vx-text);
  font-size: 0.84rem;
  font-weight: 720;
  letter-spacing: 0.18em;
  text-decoration: none;
}

.brand__mark {
  position: relative;
  width: 23px;
  height: 23px;
  flex: 0 0 23px;
  border: 1.5px solid currentColor;
}

.brand__mark::before,
.brand__mark::after {
  position: absolute;
  content: "";
  background: currentColor;
}

.brand__mark::before {
  top: 5px;
  right: 5px;
  width: 7px;
  height: 1.5px;
}

.brand__mark::after {
  right: 5px;
  bottom: 5px;
  width: 1.5px;
  height: 7px;
}

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(24px, 3vw, 42px);
}

.desktop-nav a,
.mobile-nav a {
  position: relative;
  color: #343940;
  font-size: 0.82rem;
  font-weight: 560;
  letter-spacing: 0.025em;
  text-decoration: none;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: -10px;
  left: 0;
  height: 1px;
  content: "";
  transform: scaleX(0);
  background: var(--vx-cobalt);
  transform-origin: right;
  transition: transform 180ms ease;
}

.desktop-nav a:hover::after,
.desktop-nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-tools {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 22px;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--vx-muted);
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.12em;
}

.lang-switch button {
  padding: 4px 2px;
  border: 0;
  background: none;
  cursor: pointer;
}

.lang-switch button[aria-pressed="true"] {
  color: var(--vx-text);
}

.lang-switch button:disabled {
  color: var(--vx-muted);
  cursor: not-allowed;
  opacity: 0.48;
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 11px 9px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-button__lines,
.menu-button__lines::before,
.menu-button__lines::after {
  display: block;
  width: 26px;
  height: 1.5px;
  background: var(--vx-text);
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-button__lines {
  position: relative;
}

.menu-button__lines::before,
.menu-button__lines::after {
  position: absolute;
  left: 0;
  content: "";
}

.menu-button__lines::before {
  top: -7px;
}

.menu-button__lines::after {
  top: 7px;
}

.menu-button[aria-expanded="true"] .menu-button__lines {
  background: transparent;
}

.menu-button[aria-expanded="true"] .menu-button__lines::before {
  transform: translateY(7px) rotate(45deg);
}

.menu-button[aria-expanded="true"] .menu-button__lines::after {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  z-index: 90;
  inset: var(--header-height) 0 auto;
  display: none;
  min-height: calc(100dvh - var(--header-height));
  max-height: calc(100dvh - var(--header-height));
  overflow-y: auto;
  padding: 48px 24px 36px;
  border-top: 1px solid var(--vx-border);
  background: rgba(244, 246, 248, 0.985);
  backdrop-filter: blur(18px);
}

.mobile-menu[data-open="true"] {
  display: block;
}

.mobile-nav {
  display: grid;
  gap: 0;
}

.mobile-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  border-bottom: 1px solid var(--vx-border);
  font-size: 1.22rem;
  letter-spacing: -0.01em;
}

.mobile-nav a::after {
  color: var(--vx-cobalt);
  content: "↗";
  font-size: 1rem;
}

.mobile-menu__meta {
  margin-top: 34px;
  color: var(--vx-muted);
  font-size: 0.78rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  gap: 14px;
  border: 1px solid var(--vx-cobalt);
  border-radius: var(--radius-sm);
  background: var(--vx-cobalt);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.button-link:hover {
  transform: translateY(-2px);
  border-color: var(--vx-cobalt-deep);
  background: var(--vx-cobalt-deep);
}

.urbia-showcase .button-link:not(.button-link--secondary),
.product-card .button-link:not(.button-link--secondary) {
  border-color: var(--urbia-text);
  background: var(--urbia-text);
}

.urbia-showcase .button-link:not(.button-link--secondary):hover,
.product-card .button-link:not(.button-link--secondary):hover {
  border-color: #34312e;
  background: #34312e;
}

.button-link--secondary {
  border-color: var(--vx-border);
  background: transparent;
  color: var(--vx-text);
}

.button-link--secondary:hover {
  border-color: var(--vx-text);
  background: var(--vx-surface);
  color: var(--vx-text);
}

.button-link--light {
  border-color: #fff;
  background: #fff;
  color: var(--vx-cobalt-deep);
}

.button-link--light:hover {
  border-color: var(--vx-cobalt-light);
  background: var(--vx-cobalt-light);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  font-size: 0.84rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
}

.text-link span {
  transition: transform 180ms ease;
}

.text-link:hover span {
  transform: translate(3px, -2px);
}

.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--vx-border);
  border-radius: var(--radius-md);
  background: var(--vx-bg-secondary);
  box-shadow: var(--shadow-soft);
}

.media-frame video,
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-label {
  position: absolute;
  z-index: 2;
  right: 16px;
  bottom: 16px;
  max-width: calc(100% - 32px);
  padding: 8px 11px;
  border: 1px solid rgba(255, 255, 255, 0.48);
  border-radius: 999px;
  background: rgba(17, 19, 23, 0.78);
  color: #fff;
  font-size: 0.64rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.info-card {
  min-width: 0;
  padding: 30px;
  border: 1px solid var(--vx-border);
  border-radius: var(--radius-md);
  background: var(--vx-surface);
}

.info-card__index {
  display: block;
  margin-bottom: 48px;
  color: var(--vx-cobalt);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.info-card p {
  margin-top: 14px;
  color: var(--vx-muted);
  font-size: 0.94rem;
}

.site-footer {
  padding-block: 72px 28px;
  background: var(--vx-text);
  color: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(260px, 1.4fr) repeat(3, minmax(130px, 0.6fr));
  gap: 48px;
}

.site-footer .brand {
  color: #fff;
}

.footer-intro p {
  max-width: 310px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

.footer-column h2 {
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.42);
  font-size: 0.66rem;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer-column a {
  display: block;
  width: max-content;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.84rem;
  text-decoration: none;
}

.footer-column a:hover {
  color: var(--vx-cobalt-light);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  margin-top: 72px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.42);
  font-size: 0.72rem;
}

@media (max-width: 900px) {
  .site-header__inner {
    grid-template-columns: 1fr auto;
  }

  .desktop-nav,
  .lang-switch {
    display: none;
  }

  .menu-button {
    display: grid;
    place-items: center;
  }

  .header-tools {
    gap: 0;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .info-card__index {
    margin-bottom: 28px;
  }

  .footer-grid {
    grid-template-columns: 1.35fr 1fr 1fr;
  }

  .footer-intro {
    grid-column: 1 / -1;
  }
}

@media (max-width: 600px) {
  .button-row,
  .button-link {
    width: 100%;
  }

  .button-link {
    justify-content: space-between;
  }

  .media-label {
    right: 10px;
    bottom: 10px;
    font-size: 0.58rem;
  }

  .info-card {
    padding: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px 24px;
  }

  .footer-intro {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    display: grid;
    gap: 8px;
    margin-top: 52px;
  }
}