.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  background: rgba(252, 251, 243, 0.72);
  border-bottom: 1px solid transparent;
  transition: background 300ms ease, border-color 300ms ease, box-shadow 300ms ease;
}

.site-header.is-scrolled {
  background: rgba(252, 251, 243, 0.92);
  border-bottom-color: rgba(229, 231, 235, 0.6);
  box-shadow: 0 1px 24px rgba(15, 23, 42, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 1.5rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: "Satoshi", "Inter", sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.03em;
  text-decoration: none;
  position: relative;
  z-index: 110;
}

.brand-text {
  transition: color 200ms ease;
}

.brand-surname {
  letter-spacing: 0.04em;
}

.site-nav {
  display: flex;
  flex: 1;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 0.25rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  padding: 0.3rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(229, 231, 235, 0.5);
  margin: 0 auto;
}

.nav-link {
  position: relative;
  display: flex;
  align-items: center;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 500;
  transition: color 200ms ease, background 200ms ease;
  text-decoration: none;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.8);
}

.nav-link-indicator {
  display: none;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: auto;
  padding-left: 1rem;
}

.nav-cta .button {
  margin-left: auto;
}

.nav-translate {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.nav-translate-dropdown {
  position: relative;
}

.nav-translate-button {
  border: 1px solid rgba(229, 231, 235, 0.7);
  background: rgba(255, 255, 255, 0.7);
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-translate-button:hover {
  background: rgba(37, 99, 235, 0.08);
  color: var(--accent);
}

.nav-translate-button:disabled {
  opacity: 0.65;
  cursor: wait;
}

.nav-translate-list {
  position: absolute;
  top: calc(100% + 0.4rem);
  right: 0;
  min-width: 200px;
  max-height: 340px;
  overflow-y: auto;
  background: #fff;
  border: 1px solid rgba(229, 231, 235, 0.9);
  border-radius: 0.75rem;
  box-shadow: 0 12px 40px rgba(17, 24, 39, 0.12);
  padding: 0.35rem;
  margin: 0;
  list-style: none;
  z-index: 100;
  scrollbar-width: thin;
  scrollbar-color: rgba(37, 99, 235, 0.15) transparent;
}

.nav-translate-list[hidden] {
  display: none;
}

.nav-translate-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text);
  border-radius: 0.5rem;
  cursor: pointer;
  transition: background 150ms ease;
}

.nav-translate-list li:hover {
  background: rgba(37, 99, 235, 0.06);
  color: var(--accent);
}

.nav-translate-list li.is-active {
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent);
  font-weight: 700;
}

.nav-translate-list li[data-lang="original"] {
  border-bottom: 1px solid rgba(229, 231, 235, 0.5);
  margin-bottom: 0.2rem;
  padding-bottom: 0.55rem;
  border-radius: 0.5rem 0.5rem 0 0;
}

.nav-translate-flag {
  width: 20px;
  height: 15px;
  object-fit: cover;
  border-radius: 2px;
  flex-shrink: 0;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.08);
}

.nav-translate-lang-name {
  flex: 1;
  min-width: 0;
}

.nav-translate-lang-code {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--muted);
  opacity: 0.5;
  letter-spacing: 0.04em;
}

[data-translate-flag-current] {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}

.nav-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(16, 185, 129, 0.2);
  background: rgba(16, 185, 129, 0.06);
  color: #059669;
  font-size: 0.78rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 200ms ease, border-color 200ms ease;
}

.nav-status:hover {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.3);
}

.status-dot {
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 999px;
  background: #10b981;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 5px rgba(16, 185, 129, 0); }
}

.nav-translate-mobile {
  display: none;
  position: relative;
  z-index: 110;
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: none;
  border-radius: 0.75rem;
  background: transparent;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  z-index: 110;
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 1rem;
}

.hamburger span {
  height: 1.5px;
  background: var(--text);
  display: block;
  border-radius: 2px;
  transition: transform 300ms ease, opacity 200ms ease, width 200ms ease;
  transform-origin: center;
}

.hamburger span:nth-child(2) {
  width: 70%;
}

.nav-toggle[aria-expanded="true"] .hamburger span:nth-child(1) {
  transform: translateY(5.5px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] .hamburger span:nth-child(3) {
  transform: translateY(-5.5px) rotate(-45deg);
}

/* Mobile menu */
.nav-mobile-overlay,
.nav-mobile-wrapper {
  display: none;
}

.nav-mobile-overlay {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(26, 26, 26, 0.2);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms ease;
}

.nav-mobile-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.nav-mobile-wrapper {
  position: fixed;
  inset: 0;
  z-index: 95;
  pointer-events: none;
  padding: 4.5rem 0.75rem 0;
}

.nav-mobile-card {
  max-width: 600px;
  margin: 0 auto;
  pointer-events: auto;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: rgba(255, 252, 246, 0.97);
  backdrop-filter: blur(24px);
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.12);
  overflow: hidden;
  transform-origin: top center;
  transform: scaleY(0);
  opacity: 0;
  transition: transform 280ms cubic-bezier(0.4, 0, 0.2, 1), opacity 200ms ease;
}

.nav-mobile-card.is-open {
  transform: scaleY(1);
  opacity: 1;
}

.nav-mobile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.nav-mobile-link {
  display: flex;
  align-items: center;
  padding: 0.7rem 1.1rem;
  font-family: "Satoshi", "Inter", sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid rgba(229, 231, 235, 0.45);
  transition: background 180ms ease, color 180ms ease;
}

.nav-mobile-link:nth-child(odd) {
  border-right: 1px solid rgba(229, 231, 235, 0.45);
}

.nav-mobile-link:hover {
  background: rgba(37, 99, 235, 0.04);
  color: var(--accent);
}

.nav-mobile-bottom {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.75rem;
  padding: 0.65rem 1.1rem;
  background: rgba(255, 255, 255, 0.5);
}

.nav-mobile-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.nav-mobile-status {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: #059669;
  font-size: 0.76rem;
  font-weight: 600;
}

.nav-mobile-hire {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), #1d4ed8);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.2);
  transition: box-shadow 200ms ease;
}

.nav-mobile-hire:hover {
  box-shadow: 0 10px 28px rgba(37, 99, 235, 0.3);
}

@media (max-width: 980px) {
  .header-inner {
    min-height: 56px;
  }

  .brand-mark {
    font-size: 1rem;
    margin-left: 0.35rem;
  }

  .site-nav {
    display: none;
  }

  .nav-translate-mobile {
    display: inline-flex;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-mobile-overlay,
  .nav-mobile-wrapper {
    display: block;
  }

  .nav-mobile-wrapper {
    padding-top: 3.75rem;
  }
}

@media (max-width: 400px) {
  .nav-mobile-grid {
    grid-template-columns: 1fr;
  }

  .nav-mobile-link:nth-child(odd) {
    border-right: none;
  }

  .nav-mobile-bottom {
    flex-direction: column;
    text-align: center;
  }

  .nav-mobile-actions {
    flex-direction: column;
  }

  .nav-mobile-hire {
    width: 100%;
    justify-content: center;
  }
}