.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 60px;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  background: rgba(247, 249, 249, 0.82);
  border-bottom: 1px solid rgba(20, 23, 26, 0.14);
  backdrop-filter: blur(14px) saturate(1.15);
  -webkit-backdrop-filter: blur(14px) saturate(1.15);
}

.site-nav .nav-logo {
  min-width: 0;
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
}

.site-nav .nav-logo-text {
  color: #15181b;
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.site-nav .nav-logo-path {
  color: #929a9e;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.site-nav .nav-right {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1.25rem;
}

.site-nav .nav-link {
  color: #60686d;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
  transition: color 0.18s var(--ease-out);
}

.site-nav .nav-link:hover { color: #15181b; }
.site-nav .nav-link[aria-current="page"] { color: #e14a0e; }

.site-nav .btn-lang {
  min-width: 44px;
  min-height: 34px;
  padding: 0.45rem 0.8rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  border: 1px solid rgba(20, 23, 26, 0.3);
  border-radius: 6px;
  background: transparent;
  color: #60686d;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  line-height: 1;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 0.18s var(--ease-out), border-color 0.18s var(--ease-out);
}

.site-nav .btn-lang:hover {
  color: #15181b;
  border-color: #15181b;
}

.site-nav .nav-cta {
  min-height: 34px;
  padding: 0.55rem 1.15rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  border: 1px solid #15181b;
  border-radius: 6px;
  background: #15181b;
  color: #eff2f1;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s var(--ease-out), transform 0.2s var(--ease-out);
}

.site-nav .nav-cta:hover {
  background: #272c31;
  transform: translateY(-1px);
}

@media (max-width: 640px) {
  .site-nav {
    padding: 0 1.25rem;
    gap: 0.75rem;
  }

  .site-nav .nav-right { gap: 0.625rem; }
  .site-nav .nav-link { display: none; }
  .site-nav .nav-cta { padding: 0.55rem 0.75rem; }
}

@media (max-width: 390px) {
  .site-nav .nav-logo-path { display: none; }
}