nav {
  position: fixed; top: 18px; left: 50%; transform: translateX(-50%);
  z-index: 200;
  display: flex; align-items: center; gap: 14px;
  background: rgba(0,0,0,0.92);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
  padding: 8px 8px 8px 16px;
  width: min(640px, calc(100% - 32px));
  box-shadow: 0 10px 40px -12px rgba(0,0,0,0.35);
}

.nav-logo {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  border-radius: 50%;
  text-decoration: none;
  flex-shrink: 0;
  transition: transform .25s cubic-bezier(.2,.8,.2,1);
}
.nav-logo:hover { transform: rotate(-12deg) scale(1.06); }

.nav-links {
  display: flex; gap: 2px;
  margin-left: auto;
}
.nav-links a {
  color: rgba(255,255,255,0.55);
  font-family: 'Inter', sans-serif;
  font-size: 12.5px; font-weight: 400; text-decoration: none;
  letter-spacing: .005em;
  padding: 7px 11px; border-radius: 999px;
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,0.08); }

.btn-nav {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; color: #000;
  font-family: 'Inter', sans-serif; font-size: 12.5px; font-weight: 600;
  border: none; padding: 9px 14px 9px 16px;
  border-radius: 999px;
  cursor: pointer; white-space: nowrap;
  transition: background .25s, color .25s, transform .15s;
}
.btn-nav:hover {
  background: var(--hot); color: #fff; transform: scale(1.03);
}
.btn-nav-arrow {
  transition: transform .25s;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  display: inline-block;
}
.btn-nav:hover .btn-nav-arrow { transform: translateX(3px); }

@media(max-width:760px) {
  nav { gap: 10px; padding: 7px 7px 7px 14px; }
  .nav-links { display: none; }
  .nav-links + .btn-nav { margin-left: auto; }
}

@media(max-width:520px) {
  nav {
    top: 12px;
    width: calc(100% - 20px);
    padding: 6px 6px 6px 12px;
  }
  .nav-logo { width: 28px; height: 28px; }
  .nav-logo svg { width: 20px; height: 20px; }
  .btn-nav { padding: 8px 12px 8px 14px; font-size: 12px; }
}

@media(max-width:380px) {
  .btn-nav-label { display: none; }
  .btn-nav { padding: 8px 12px; }
}