.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  display: grid;
  align-items: center;
  transition: var(--transition);
  background: linear-gradient(135deg, rgba(15, 28, 46, 0.84), rgba(33, 48, 70, 0.8));
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.site-header.scrolled {
  --header-height: 62px;
  background: linear-gradient(135deg, rgba(12, 23, 38, 0.92), rgba(27, 41, 61, 0.9));
  box-shadow: var(--shadow-md);
}

.header-inner {
  width: var(--container);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: .7rem;
  min-width: 200px;
  padding: .3rem .6rem .3rem .35rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.2);
  background: linear-gradient(120deg, rgba(245, 158, 11, 0.2), rgba(255,255,255,0.06));
  transition: transform .25s ease, border-color .25s ease, background .25s ease;
}

.logo-wrap:hover {
  transform: translateY(-1px);
  border-color: rgba(255,255,255,.34);
  background: linear-gradient(120deg, rgba(245, 158, 11, 0.26), rgba(255,255,255,0.08));
}

.logo-svg {
  width: 2.75rem;
  height: 2.75rem;
  flex: 0 0 auto;
}

.logo-text {
  display: flex;
  flex-direction: column;
  gap: .08rem;
}

.logo-type {
  color: var(--clr-white);
  font-family: var(--font-en-display);
  font-size: clamp(1rem, 1.45vw, 1.08rem);
  line-height: 1;
  max-width: 305px;
  text-shadow: 0 1px 1px rgba(0, 0, 0, .2);
}

.logo-sub {
  color: rgba(255,255,255,.78);
  font-size: .68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: .85rem;
}

.nav-link {
  position: relative;
  color: rgba(255,255,255,.9);
  font-weight: 500;
  padding: .5rem .72rem;
  border-radius: var(--radius-sm);
  transition: color .2s ease, background .2s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: .72rem;
  right: .72rem;
  bottom: .3rem;
  height: 2px;
  border-radius: 99px;
  background: var(--clr-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}

.nav-link.active,
.nav-link:hover {
  color: var(--clr-white);
  background: rgba(255,255,255,.14);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.lang-btn,
.menu-btn {
  color: var(--clr-white);
  border: 1px solid rgba(255,255,255,.45);
  background: rgba(255, 255, 255, .06);
  border-radius: 999px;
  min-height: 44px;
  min-width: 44px;
  padding: .3rem .8rem;
}

.phone-chip {
  color: var(--clr-white);
  font-size: .94rem;
  border: 1px solid rgba(255,255,255,.35);
  background: rgba(255,255,255,.06);
  border-radius: 999px;
  padding: .42rem .8rem;
}

.menu-btn {
  display: none;
}

.mobile-drawer {
  position: fixed;
  inset-inline-end: -280px;
  top: 0;
  width: 280px;
  height: 100vh;
  background: var(--clr-bg-dark);
  border-inline-start: 1px solid rgba(255,255,255,.1);
  padding: 5.5rem 1rem 1rem;
  transition: var(--transition);
  z-index: 1001;
}

.mobile-drawer.open {
  inset-inline-end: 0;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.mobile-nav a {
  color: var(--clr-white);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-sm);
  padding: .75rem .85rem;
}

@media (max-width: 1024px) {
  .nav-links,
  .phone-chip {
    display: none;
  }

  .logo-sub {
    font-size: .62rem;
    letter-spacing: .07em;
  }

  .menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
}

@media (max-width: 640px) {
  .logo-wrap {
    min-width: 0;
    padding: .25rem .44rem .25rem .24rem;
    gap: .5rem;
  }

  .logo-svg {
    width: 2.35rem;
    height: 2.35rem;
  }

  .logo-sub,
  .logo-type {
    display: none;
  }
}