/* ============================================================
   INFOXNEX — Navigation
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--glass-border);
  transition: all var(--transition-medium);
}

.nav__container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.nav__logo-icon {
  width: 30px;
  height: 30px;
  color: var(--color-accent);
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav__link {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  letter-spacing: -0.01em;
}
.nav__link:hover {
  color: var(--color-text);
}
.nav__link.active {
  color: var(--color-text);
}
.nav__link--active {
  color: var(--color-text);
}

.nav__link--cta {
  background: var(--color-accent);
  color: #fff !important;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-weight: 500;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.nav__link--cta:hover {
  background: var(--color-accent-bright);
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  margin-left: 8px;
  flex-shrink: 0;
}
.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-hover);
  border-color: var(--color-text-muted);
}
.theme-toggle svg {
  width: 16px;
  height: 16px;
}
.theme-toggle__moon { display: none; }

[data-theme="light"] .theme-toggle__sun { display: none; }
[data-theme="light"] .theme-toggle__moon { display: block; }

/* Mobile Toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--color-text);
  border-radius: 6px;
  transition: all var(--transition-fast);
}

@media (max-width: 768px) {
  .nav__menu {
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
    border-bottom: 1px solid var(--glass-border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-medium);
  }

  .nav__menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav__link {
    display: block;
    padding: 14px var(--container-padding);
    font-size: 0.95rem;
  }

  .nav__link--cta {
    margin: 8px var(--container-padding);
    text-align: center;
    display: block;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__toggle.active span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
  }
  .nav__toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .nav__toggle.active span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
  }
}