.section {
  padding-block: var(--space-2xl);
}

.section__intro {
  width: var(--container);
  margin-inline: auto;
  padding-inline: 4vw;
  margin-bottom: var(--space-xl);
}

.section__intro--center {
  text-align: center;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translate3d(0, var(--reveal-distance), 0);
  transition:
    opacity var(--reveal-duration) var(--ease-reveal),
    transform var(--reveal-duration) var(--ease-reveal);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  will-change: auto;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 200;
  transition: background var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out);
}

.site-header--solid {
  background: rgba(247, 245, 241, 0.92);
  border-bottom: 1px solid var(--color-line);
  backdrop-filter: blur(12px);
}

.site-header--hero .site-nav a {
  color: var(--color-ivory);
}

.site-header--hero .site-header__toggle-line {
  background: var(--color-ivory);
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  width: var(--container);
  max-width: 100%;
  margin-inline: auto;
  padding: var(--space-sm) 4vw;
  min-height: var(--header-h);
}

.site-header__end {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.site-header__end > .lang-switcher {
  display: block;
}

.lang-switcher__list {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.lang-switcher__link {
  display: block;
  padding: 0.35rem 0.55rem;
  font-size: 0.62rem;
  font-weight: 450;
  letter-spacing: 0.14em;
  text-decoration: none;
  color: inherit;
  opacity: 0.55;
  transition: opacity var(--duration-fast), background var(--duration-fast);
}

.lang-switcher__link:hover {
  opacity: 1;
}

.lang-switcher__link.is-active {
  opacity: 1;
  border-bottom: 1px solid currentColor;
}

.site-header--hero .lang-switcher__link {
  color: var(--color-ivory);
}

.lang-switcher--mobile {
  display: none;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-line);
}

.site-header__logo img {
  width: 2.75rem;
  height: 2.75rem;
  opacity: 0.92;
  transition: opacity var(--duration-fast);
}

.site-header__logo:hover img {
  opacity: 1;
}

.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.site-header__toggle-line {
  display: block;
  width: 1.5rem;
  height: 1px;
  background: var(--color-charcoal);
  transition: transform var(--duration-fast), background var(--duration-fast);
}

.site-nav__list {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  gap: clamp(0.85rem, 1.8vw, 1.65rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  transition: opacity var(--duration-fast);
}

.site-nav {
  flex: 1;
  display: flex;
  justify-content: center;
  min-width: 0;
}

.site-header__logo {
  flex-shrink: 0;
}

/* Footer */
.site-footer {
  padding-block: var(--space-xl);
  border-top: 1px solid var(--color-line);
  text-align: center;
}

.site-footer__inner {
  width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: 4vw;
}

.site-footer__logo {
  display: inline-block;
  margin-bottom: var(--space-sm);
  opacity: 0.85;
}

.site-footer__logo img {
  width: 2.5rem;
  height: 2.5rem;
  margin-inline: auto;
}

.site-footer__text {
  margin: 0 0 var(--space-xs);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-stone);
}

.site-footer__concept {
  color: var(--color-charcoal);
}

.site-footer__sep {
  margin-inline: 0.5rem;
}

.site-footer__agency {
  margin: 0 0 var(--space-2xs);
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.06em;
}

.site-footer__copy {
  margin: 0;
  font-size: 0.72rem;
  color: var(--color-stone-light);
}

@media (max-width: 860px) {
  .site-header__bar {
    display: flex;
    justify-content: space-between;
  }

  .site-header__end > .lang-switcher {
    display: none;
  }

  .lang-switcher--mobile {
    display: block;
  }

  .site-header__toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    padding: var(--space-md) 4vw var(--space-lg);
    background: var(--color-ivory);
    border-bottom: 1px solid var(--color-line);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--duration-fast) var(--ease-out),
      opacity var(--duration-fast);
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-header--hero .site-nav a {
    color: var(--color-charcoal);
  }

  .site-nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
}