.site-header {
  background: transparent;
  border-bottom-color: rgba(255, 255, 255, 0.14);
  transition: background 0.3s ease, backdrop-filter 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
  background: rgba(3, 20, 31, 0.78);
  border-bottom-color: rgba(133, 176, 196, 0.28);
  backdrop-filter: blur(20px) saturate(135%);
  -webkit-backdrop-filter: blur(20px) saturate(135%);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.24);
}

.site-header .topbar {
  height: 48px;
  color: #dce7ec;
  font-size: 11px;
  overflow: hidden;
  opacity: 1;
  transition: height 0.3s ease, opacity 0.2s ease;
}

.site-header .topbar > span,
.site-header .topbar > a {
  min-height: 100%;
  display: inline-flex;
  align-items: center;
}

.site-header.scrolled .topbar {
  height: 0;
  opacity: 0;
}

.site-header .topbar span:first-child,
.site-header .topbar a {
  position: relative;
  padding-inline-start: 27px;
}

.site-header .topbar span:first-child::before,
.site-header .topbar a::before {
  position: absolute;
  top: 50%;
  left: 0;
  width: 18px;
  color: var(--blue2);
  font-size: 17px;
  line-height: 1;
  text-align: center;
  transform: translateY(-50%);
}

.site-header .topbar span:first-child::before {
  content: "⌖";
}

.site-header .topbar a::before {
  content: "☎";
}

.site-header .topbar span:nth-child(2) {
  position: relative;
  padding-inline: 55px;
}

.site-header .topbar span:nth-child(2)::before,
.site-header .topbar span:nth-child(2)::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 1px;
  height: 20px;
  background: rgba(255, 255, 255, 0.24);
  transform: translateY(-50%);
}

.site-header .topbar span:nth-child(2)::before { left: 0; }
.site-header .topbar span:nth-child(2)::after { right: 0; }

.site-header .nav {
  height: 104px;
  gap: 42px;
  transition: height 0.3s ease, gap 0.3s ease;
}

.site-header.scrolled .nav {
  height: 72px;
  gap: 28px;
}

.site-header .brand {
  width: 280px;
  transition: width 0.3s ease;
}

.site-header.scrolled .brand {
  width: 190px;
}

.site-header .brand img {
  filter: none;
  opacity: 1;
}

.site-header .navlinks {
  gap: clamp(24px, 2.1vw, 40px);
}

.site-header .navlinks a {
  font-size: 11px;
  letter-spacing: 0.045em;
}

.site-header .navlinks a.active {
  color: var(--blue2);
}

.site-header .navlinks a.active::after {
  right: 0;
}

.site-header .nav-actions {
  gap: 18px;
}

.site-header .lang-switch {
  min-width: 74px;
  border-inline-start: 1px solid rgba(255, 255, 255, 0.25);
}

.site-header .lang-switch::after {
  content: "⌄";
  margin-inline-start: 9px;
}

.site-header .button-outline {
  min-height: 56px;
  padding-inline: 26px;
  border-color: var(--blue);
  transition: min-height 0.3s ease, padding 0.3s ease, background 0.25s ease, transform 0.25s ease;
}

.site-header.scrolled .button-outline {
  min-height: 44px;
  padding-inline: 20px;
}

.hero {
  padding-top: 152px;
}

.hero-grid {
  min-height: calc(100vh - 152px);
  min-height: calc(100svh - 152px);
}

html[dir="rtl"] .site-header .topbar span:first-child::before,
html[dir="rtl"] .site-header .topbar a::before {
  right: 0;
  left: auto;
}

@media (max-width: 1180px) {
  .site-header .nav {
    gap: 24px;
  }

  .site-header .brand {
    width: 220px;
  }

  .site-header .navlinks {
    gap: 20px;
  }

  .site-header .button-outline {
    padding-inline: 18px;
  }
}

@media (max-width: 1080px) {
  .site-header .topbar {
    height: 35px;
  }

  .site-header .nav {
    height: 76px;
  }

  .site-header .brand {
    width: 175px;
  }

  .site-header .menu-toggle {
    display: flex;
    margin-inline-start: auto;
    width: 44px;
    height: 44px;
    border: 0;
    background: none;
    flex-direction: column;
    gap: 7px;
    justify-content: center;
    align-items: center;
  }

  .site-header .menu-toggle span {
    width: 24px;
    height: 2px;
    background: #fff;
  }

  .site-header .navlinks {
    display: none;
    position: fixed;
    inset: 111px 0 0;
    padding: 40px;
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
    background: rgba(3, 20, 31, 0.98);
  }

  .site-header .navlinks.open {
    display: flex;
  }

  .site-header.scrolled .navlinks {
    inset: 72px 0 0;
  }

  .site-header .navlinks a {
    font-size: 22px;
  }

  .site-header .nav-actions .button {
    display: none;
  }

  .site-header .lang-switch {
    border: 0;
  }

  .site-header.scrolled .nav {
    height: 72px;
  }

  .site-header.scrolled .brand {
    width: 150px;
  }

  .hero {
    padding-top: 111px;
  }

  .hero-grid {
    min-height: calc(100vh - 111px);
    min-height: calc(100svh - 111px);
  }
}

@media (max-width: 980px) {
  .site-header .topbar {
    height: 35px;
  }

  .site-header .nav {
    height: 76px;
  }

  .site-header .brand {
    width: 175px;
  }

  .site-header .navlinks {
    inset: 111px 0 0;
    gap: 28px;
    background: rgba(3, 20, 31, 0.98);
  }

  .site-header .navlinks a.active::after {
    display: none;
  }

  .site-header .lang-switch {
    border: 0;
  }

  .hero {
    padding-top: 111px;
  }

  .hero-grid {
    min-height: calc(100vh - 111px);
    min-height: calc(100svh - 111px);
  }
}

@media (max-width: 640px) {
  .site-header .topbar span:first-child,
  .site-header .topbar a {
    padding-inline-start: 0;
  }

  .site-header .topbar span:first-child::before,
  .site-header .topbar a::before {
    display: none;
  }
}