.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition-medium);
}

.nav.scrolled {
  background: rgba(10, 14, 20, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0.75rem 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 1002;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-cyan-primary), var(--color-cyan-secondary));
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: var(--color-bg);
  box-shadow: var(--shadow-glow);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  align-items: center;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-cyan-primary), var(--color-cyan-accent));
  transition: width var(--transition-medium);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-cyan-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  padding: 0.625rem 1.25rem;
  font-size: 0.85rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
  background: transparent;
  border: none;
  width: 44px;
  height: 44px;
  z-index: 1002;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-cyan-primary);
  transition: all var(--transition-fast);
  border-radius: 2px;
  transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 999;
  opacity: 0;
  transition: opacity var(--transition-medium);
}

.nav-overlay.active {
  opacity: 1;
}

@media (max-width: 1024px) {
  .nav-links {
    gap: 1.5rem;
  }
}

@media (max-width: 968px) {
  .nav-toggle {
    display: flex;
  }

  .nav-overlay {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 320px;
    height: 100vh;
    height: 100dvh;
    background: rgba(10, 14, 20, 0.98);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    flex-direction: column;
    justify-content: flex-start;
    padding: calc(var(--nav-height) + 2rem) 2rem 2rem;
    gap: 1.5rem;
    transition: right var(--transition-medium);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.6);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .nav-links.active {
    right: 0;
  }

  .nav-link {
    font-size: 1.1rem;
    text-align: left;
    width: 100%;
    padding: 0.75rem 0;
    opacity: 0;
    transform: translateX(20px);
    transition: all var(--transition-medium);
  }

  .nav-links.active .nav-link {
    opacity: 1;
    transform: translateX(0);
  }

  .nav-links.active .nav-link:nth-child(1) { transition-delay: 0.1s; }
  .nav-links.active .nav-link:nth-child(2) { transition-delay: 0.15s; }
  .nav-links.active .nav-link:nth-child(3) { transition-delay: 0.2s; }
  .nav-links.active .nav-link:nth-child(4) { transition-delay: 0.25s; }
  .nav-links.active .nav-link:nth-child(5) { transition-delay: 0.3s; }
  .nav-links.active .nav-link:nth-child(6) { transition-delay: 0.35s; }

  .nav-link::after {
    display: none;
  }

  .nav-cta {
    width: 100%;
    justify-content: center;
    padding: 1rem 2rem;
    font-size: 1rem;
    margin-top: 1rem;
    opacity: 0;
    transform: translateX(20px);
  }

  .nav-links.active .nav-cta {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 0.4s;
  }
}

@media (max-width: 480px) {
  .nav-logo {
    font-size: 1.25rem;
  }

  .nav-logo-icon {
    width: 32px;
    height: 32px;
  }

  .nav-links {
    width: 90%;
    max-width: none;
    padding: calc(var(--nav-height) + 1.5rem) 1.5rem 1.5rem;
  }

  .nav-link {
    font-size: 1rem;
  }
}