.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.container--narrow {
  width: min(100% - 2rem, var(--container-narrow));
  margin-inline: auto;
}

/* —— Top bar / Header —— */
.site-topbar {
  background: var(--color-charcoal);
  color: var(--color-mist);
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
}

.site-topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 2.25rem;
  padding-block: var(--space-2);
}

.site-topbar__contact {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.site-topbar__contact a:hover {
  color: var(--color-safety);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.lang-switch button,
.lang-switch a {
  color: var(--color-steel);
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  padding: 0.15rem 0.35rem;
  border-radius: var(--radius);
}

.lang-switch button.is-active,
.lang-switch a.is-active {
  color: var(--color-white);
  background: var(--color-slate);
}

.lang-switch button:hover,
.lang-switch a:hover {
  color: var(--color-white);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--color-mist);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  min-height: var(--header-h);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.site-logo img {
  width: 3rem;
  height: 3rem;
  object-fit: contain;
}

.site-logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.site-logo__brand {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--color-charcoal);
  letter-spacing: 0.02em;
}

.site-logo__sub {
  font-size: var(--fs-xs);
  color: var(--color-concrete);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.site-nav a {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-slate);
  padding: var(--space-2) var(--space-3);
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: var(--space-3);
  right: var(--space-3);
  bottom: 0.15rem;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--color-charcoal);
}

.site-nav a.is-active::after,
.site-nav a:hover::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-md);
}

.nav-toggle span {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--color-charcoal);
  position: relative;
  transition: background var(--transition);
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-charcoal);
  transition: transform var(--transition);
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] span {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] span::before {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span::after {
  transform: translateY(-6px) rotate(-45deg);
}

/* —— Footer —— */
.site-footer {
  background: var(--color-charcoal);
  color: var(--color-mist);
  padding-block: var(--space-8) var(--space-6);
  margin-top: 0;
}

.site-footer a {
  color: var(--color-steel);
}

.site-footer a:hover {
  color: var(--color-safety);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: var(--space-7);
  margin-bottom: var(--space-7);
}

.footer-brand__name {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

.footer-brand p {
  font-size: var(--fs-sm);
  color: var(--color-steel);
  max-width: 22rem;
}

.footer-col h3 {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--fs-sm);
}

.footer-contact li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  margin-bottom: var(--space-3);
  font-size: var(--fs-sm);
}

.footer-contact .label {
  color: var(--color-concrete);
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
}

.footer-bottom {
  border-top: 1px solid var(--color-slate);
  padding-top: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--fs-xs);
  color: var(--color-concrete);
}

/* —— Sections —— */
.section {
  padding-block: var(--space-9);
}

.section--alt {
  background: var(--color-snow);
}

.section--dark {
  background: var(--color-charcoal);
  color: var(--color-mist);
}

.section--dark h2,
.section--dark h3 {
  color: var(--color-white);
}

.section__head {
  margin-bottom: var(--space-7);
  max-width: 40rem;
}

.section__eyebrow {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.section__head p {
  margin-top: var(--space-4);
  color: var(--color-concrete);
}

.page-hero {
  position: relative;
  padding-block: var(--space-9) var(--space-8);
  background: var(--color-charcoal);
  color: var(--color-white);
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(26, 29, 33, 0.5), rgba(26, 29, 33, 0.5)),
    url("../images/titlebg.jpg") center / cover no-repeat;
  z-index: 0;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  color: #ffffff;
  max-width: 18ch;
}

.hero h1.hero__brand,
.hero .hero__brand {
  color: #ffffff !important;
}

.page-hero p {
  margin-top: var(--space-4);
  color: var(--color-mist);
  max-width: 36rem;
  font-size: var(--fs-md);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--fs-xs);
  color: var(--color-steel);
  margin-bottom: var(--space-4);
  letter-spacing: 0.04em;
}

.breadcrumb a:hover {
  color: var(--color-safety);
}

.breadcrumb span[aria-current="page"] {
  color: var(--color-mist);
}

/* —— Back to top —— */
.back-to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: var(--z-top);
  width: 2.75rem;
  height: 2.75rem;
  display: grid;
  place-items: center;
  background: var(--color-charcoal);
  color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.5rem);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition), background var(--transition);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

/* —— Scroll animation —— */
[data-animate] {
  opacity: 0;
  transform: translateY(1.25rem);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

[data-animate].is-inview {
  opacity: 1;
  transform: translateY(0);
}

[data-animate="fade"] {
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  [data-animate] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* —— Responsive —— */
@media (max-width: 960px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    inset: calc(var(--header-h) + 2.25rem) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--color-white);
    padding: var(--space-4);
    gap: 0;
    border-bottom: 1px solid var(--color-mist);
    box-shadow: var(--shadow-md);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
    max-height: calc(100vh - var(--header-h) - 2.25rem);
    overflow-y: auto;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .site-nav a {
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-snow);
  }

  .site-nav a::after {
    display: none;
  }

  body.nav-open {
    overflow: hidden;
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .site-topbar__contact {
    display: none;
  }

  .site-logo__sub {
    display: none;
  }

  .section {
    padding-block: var(--space-8);
  }
}