/* SMART MZK — Navigation Bar */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2.5rem;
  background: rgba(10, 15, 26, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-fast);
}

.nav--scrolled {
  background: rgba(10, 15, 26, 0.98);
}

/* === Logo === */
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  transition: transform var(--transition-fast);
}

.nav__logo:hover {
  transform: scale(1.02);
}

.nav__logo-icon {
  width: 36px;
  height: 36px;
  object-fit: contain;
  flex-shrink: 0;
}

.nav__brand {
  font-size: 1rem;
  font-weight: var(--font-weight-black);
  letter-spacing: 0.1em;
  color: var(--text-primary);
  white-space: nowrap;
}

.nav__brand-accent {
  color: var(--green);
}

/* === Links === */
.nav__links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav__links a {
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color var(--transition-fast);
  position: relative;
}

.nav__links a:hover {
  color: var(--green);
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--green);
  transition: width var(--transition-fast);
}

.nav__links a:hover::after {
  width: 100%;
}

/* === Responsive === */
@media (max-width: 768px) {
  .nav {
    padding: 0.8rem 1.5rem;
  }

  .nav__links {
    gap: 1rem;
  }

  .nav__links a {
    font-size: 0.7rem;
  }

  .nav__brand {
    font-size: 0.9rem;
  }

  .nav__logo {
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {
  .nav {
    padding: 0.7rem 1rem;
  }

  .nav__links {
    gap: 0.8rem;
  }

  .nav__logo-icon {
    width: 28px;
    height: 28px;
  }

  .nav__brand {
    font-size: 0.85rem;
  }
}