/* site/assets/css/layout/nav.css */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  background: color-mix(in srgb, var(--bg-primary) 80%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base), background var(--transition-base);
}

.nav--scrolled {
  border-bottom-color: var(--border);
  background: color-mix(in srgb, var(--bg-primary) 92%, transparent);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: var(--space-6);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.nav__logo-mark {
  width: 32px;
  height: 32px;
  display: block;
  filter: drop-shadow(0 0 8px color-mix(in srgb, var(--accent) 35%, transparent));
}

.nav__logo-text {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav__logo-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}
.nav__link:hover, .nav__link.active { color: var(--text-primary); }
.nav__link.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav__menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-primary);
  align-items: center;
  justify-content: center;
}

@media (max-width: 768px) {
  .nav__menu-btn { display: flex; }
  .nav__links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-secondary);
    padding: var(--space-6);
    border-top: 1px solid var(--border);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    height: calc(100vh - 64px);
  }
  .nav--open .nav__links { transform: translateX(0); }
}