.container {
  width: var(--container);
  margin-inline: auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: var(--glass-bg);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  transition: border-color var(--transition), background var(--transition), backdrop-filter var(--transition);
}

.site-header.is-scrolled {
  background: var(--glass-bg-strong);
  backdrop-filter: blur(var(--glass-blur-strong));
  -webkit-backdrop-filter: blur(var(--glass-blur-strong));
}

.header-inner {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 1.5rem);
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 0.5rem 0.875rem;
}

@media (min-width: 901px) {
  .menu-toggle {
    display: none;
  }

  .site-nav {
    justify-self: center;
  }
}

.brand-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-link img {
  height: 1.625rem;
  width: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
}

.nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: clamp(0.75rem, 2vw, 1.5rem);
}

.nav-list a {
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--transition);
}

.nav-list a:hover,
.nav-list a.is-active {
  color: var(--accent-red-bright);
}

html.lang-ka .nav-list a {
  font-family: var(--font-geo-display);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lang-switcher {
  position: relative;
}

.lang-switcher__trigger {
  display: none;
}

.lang-switcher__menu {
  display: flex;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
}

.lang-switcher__menu button {
  font-family: var(--font-display);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.4rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.lang-switcher__menu button:hover {
  color: var(--text-silver);
}

.lang-switcher__menu button.is-active {
  background: #3a3a3a;
  color: #fff;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 2rem;
  height: 2rem;
  padding: 0.35rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--text-silver);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

main {
  padding-top: 0;
}

.section {
  position: relative;
  padding-block: var(--section-pad);
  scroll-margin-top: var(--header-height);
}

.section--alt {
  border-block: 1px solid var(--border-subtle);
}

.section--alt::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: var(--z-background);
  pointer-events: none;
  background-color: var(--content-grid-bg);
  background-image: radial-gradient(circle at 1px 1px, var(--content-grid-dot) 1px, transparent 0);
  background-size: 24px 24px;
  background-position: 0 0;
}

.section--alt > .container {
  position: relative;
}

.section > .container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-header {
  position: relative;
  z-index: var(--z-foreground);
  isolation: isolate;
  width: 100%;
  margin-bottom: 2rem;
  max-width: var(--content-width);
}

.section > .container > .lead,
.section > .container > .video-embed,
.section > .container > .ad-card,
.section > .container > .pillars,
.section > .container > .projects-grid,
.section > .container > .contact-grid {
  width: 100%;
}

.section > .container > .lead,
.section > .container > .video-embed,
.section > .container > .ad-card {
  max-width: var(--content-width);
}

.section-header h2 {
  margin-bottom: 0;
  padding: 0;
  border-bottom: none;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #fff;
  line-height: 1.2;
  text-shadow: 0 0 32px rgba(200, 0, 0, 0.18);
}

.section-header .section-intro {
  margin-top: 1.25rem;
  margin-bottom: 0;
  padding-left: 0;
}

.section-intro {
  color: var(--text-muted);
  max-width: 55ch;
}

.site-footer {
  position: relative;
  padding: 3rem 0 2rem;
  border-top: none;
  background: var(--bg-deep) center / cover no-repeat;
  background-image:
    linear-gradient(180deg, rgba(3, 3, 3, 0.88) 0%, rgba(3, 3, 3, 0.72) 45%, rgba(3, 3, 3, 0.92) 100%),
    url("../assets/images/footer.jpg");
  overflow: hidden;
}

.footer-inner {
  position: relative;
  z-index: var(--z-foreground);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.footer-logo {
  height: 3rem;
  width: auto;
  opacity: 0.9;
}

.footer-copy {
  margin: 0;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.72);
}

@media (max-width: 900px) {
  .header-inner {
    grid-template-columns: auto minmax(0, 1fr) auto;
    grid-template-rows: auto;
    gap: 0.35rem 0.5rem;
    padding-inline: 0.4rem;
  }

  .brand-link {
    grid-column: 1;
    grid-row: 1;
    min-width: 0;
  }

  .brand-link img {
    height: 1.25rem;
    max-width: min(7.5rem, 22vw);
    object-fit: contain;
    object-position: left center;
  }

  .header-actions {
    grid-column: 3;
    grid-row: 1;
    flex-shrink: 0;
  }

  .site-nav {
    grid-column: 2;
    grid-row: 1;
    min-width: 0;
    overflow: hidden;
    padding: 0;
    margin: 0;
    border: none;
  }

  .nav-list {
    flex-wrap: nowrap;
    justify-content: center;
    gap: clamp(0.2rem, 1.2vw, 0.5rem);
  }

  .nav-list a {
    display: inline-block;
    padding: 0;
    font-size: clamp(0.5625rem, 2.2vw, 0.6875rem);
    letter-spacing: 0.03em;
    white-space: nowrap;
  }

  .lang-switcher__trigger {
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    font-family: var(--font-display);
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.45rem;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    color: #fff;
    cursor: pointer;
    line-height: 1;
  }

  .lang-switcher__chevron {
    width: 0;
    height: 0;
    border-left: 0.2rem solid transparent;
    border-right: 0.2rem solid transparent;
    border-top: 0.25rem solid currentColor;
    opacity: 0.75;
    transition: transform var(--transition);
  }

  .lang-switcher.is-open .lang-switcher__chevron {
    transform: rotate(180deg);
  }

  .lang-switcher__menu {
    display: none;
    position: absolute;
    top: calc(100% + 0.35rem);
    right: 0;
    z-index: 110;
    flex-direction: column;
    min-width: 100%;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    background: var(--glass-bg-strong);
    backdrop-filter: blur(var(--glass-blur-strong));
    -webkit-backdrop-filter: blur(var(--glass-blur-strong));
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
    overflow: hidden;
  }

  .lang-switcher.is-open .lang-switcher__menu {
    display: flex;
  }

  .lang-switcher__menu button {
    width: 100%;
    padding: 0.45rem 0.65rem;
    text-align: left;
    font-size: 0.6875rem;
  }

  .lang-switcher__menu button.is-active {
    background: rgba(255, 255, 255, 0.08);
  }
}

@media (max-width: 380px) {
  .header-inner {
    padding-inline: 0.3rem;
    gap: 0.25rem 0.35rem;
  }

  .brand-link img {
    max-width: min(6.5rem, 20vw);
  }
}