.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 var(--space-md);
  height: 64px;
  display: flex;
  align-items: center;
  background: rgba(10, 13, 26, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

.nav.scrolled {
  background: rgba(10, 13, 26, 0.97);
  box-shadow: 0 4px 24px rgba(0,0,0,0.5);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav__logo-svg {
  width: 34px;
  height: 34px;
  filter: drop-shadow(0 0 6px rgba(0,212,255,0.5));
  transition: var(--transition);
}

.nav__logo:hover .nav__logo-svg {
  filter: drop-shadow(0 0 10px rgba(0,212,255,0.8));
}

.nav__logo-text {
  font-family: var(--font-primary);
  font-size: var(--size-lg);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-silver);
}

/* Links */
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-left: auto;
}

.nav__link {
  font-size: var(--size-sm);
  font-weight: 500;
  color: var(--color-text-dim);
  letter-spacing: 0.04em;
  transition: var(--transition);
  position: relative;
  padding-bottom: 2px;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: var(--transition);
}

.nav__link:hover {
  color: var(--color-accent);
}

.nav__link:hover::after {
  width: 100%;
}

/* Actions */
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex-shrink: 0;
}

.btn--sm {
  padding: 0.5rem 1.2rem;
  font-size: var(--size-xs);
}

/* Burger */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  margin-left: auto;
}

.nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-silver);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile */
@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(10, 13, 26, 0.98);
    flex-direction: column;
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border);
    gap: var(--space-sm);
  }

  .nav__links.open { display: flex; }
  .nav__actions { display: none; }
  .nav__burger { display: flex; }
}