.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.85rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-width: 0;
}
.nav-logo img {
  height: 64px;
  width: 64px;
  object-fit: contain;
  flex-shrink: 0;
  transition: transform var(--transition);
}
.nav-logo:hover img { transform: scale(1.03); }
.nav-brand {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1rem, 4vw, 1.4rem);
  color: var(--color-navy);
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

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

.nav-links a {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding-block: 0.35rem;
  transition: color var(--transition);
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--gradient-brand);
  border-radius: var(--radius-full);
  transition: right var(--transition-slow);
}
.nav-links a:hover,
.nav-links a.active { color: var(--color-primary); }
.nav-links a:hover::after,
.nav-links a.active::after { right: 0; }

.nav-cta {
  background: var(--gradient-primary);
  color: #fff !important;
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.nav-cta::after { display: none; }
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

/* Language switcher dropdown */
.nav-lang {
  position: relative;
  display: flex;
  align-items: center;
}
.nav-lang-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.3rem 0.4rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.nav-lang-toggle:hover,
.nav-lang.open .nav-lang-toggle {
  background: var(--color-bg-alt);
}
.nav-lang-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.4rem;
  display: none;
  flex-direction: column;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  padding: 0.25rem;
  z-index: 110;
}
.nav-lang.open .nav-lang-menu {
  display: flex;
}
.nav-lang-menu a {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition), opacity var(--transition);
}
.nav-lang-menu a::after { display: none; }
.nav-lang-menu a:hover { background: var(--color-bg-alt); }
.nav-lang-menu a.active {
  opacity: 0.35;
  pointer-events: none;
}
.nav-lang-toggle img,
.nav-lang-menu img {
  display: block;
  width: 28px;
  height: 20px;
  border-radius: 2px;
  box-shadow: 0 0 0 1px var(--color-border);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  border-radius: var(--radius-full);
  background: var(--color-navy);
  transition: var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-logo { flex: 1 1 auto; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: var(--space-sm);
    right: var(--space-sm);
    flex-direction: column;
    align-items: stretch;
    text-align: center;
    background: #fff;
    margin-top: 0.5rem;
    padding: var(--space-md);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    gap: var(--space-sm);
  }
  .nav-links.open {
    display: flex;
    animation: fadeInUp 0.25s ease-out both;
  }
  .nav-links a::after { display: none; }
  .nav-cta { margin-inline: auto; }
  .nav-lang { justify-content: center; padding-block: 0.35rem; }
  .nav-lang-menu { left: 50%; right: auto; transform: translateX(-50%); }
}