/* ============================================
   NAV.CSS — Navigation bar styles
   ============================================ */

#main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 12, 10, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0,255,65,0.2);
  padding: 0 2rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transform: translateY(-100%);
  transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
}

#main-nav.visible {
  transform: translateY(0);
}

/* ── Logo / Brand ── */
.nav-brand {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 900;
  color: var(--green);
  letter-spacing: 0.1em;
  text-shadow: 0 0 8px var(--green-glow);
  white-space: nowrap;
}

.nav-brand span {
  color: var(--amber);
}

/* ── Nav links ── */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links li a {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--green-dim);
  padding: 6px 10px;
  letter-spacing: 0.08em;
  position: relative;
  transition: color 0.2s ease;
  white-space: nowrap;
}

.nav-links li a::before {
  content: '[';
  opacity: 0;
  transition: opacity 0.2s ease;
  color: var(--amber);
}

.nav-links li a::after {
  content: ']';
  opacity: 0;
  transition: opacity 0.2s ease;
  color: var(--amber);
}

.nav-links li a:hover,
.nav-links li a.active {
  color: var(--green);
  text-shadow: 0 0 8px var(--green-glow);
}

.nav-links li a:hover::before,
.nav-links li a:hover::after,
.nav-links li a.active::before,
.nav-links li a.active::after {
  opacity: 1;
}

/* ── Section number indicators ── */
.nav-links li a .nav-num {
  font-size: 0.7rem;
  color: var(--amber);
  vertical-align: super;
  margin-right: 2px;
  opacity: 0.7;
}

/* ── Mobile hamburger ── */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--green);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Status bar on right ── */
.nav-status {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--green-dim);
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-status .dot {
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--green);
  animation: cursorPulse 1.5s ease-in-out infinite;
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 56px;
    left: 0; right: 0;
    background: rgba(10,12,10,0.98);
    border-bottom: 1px solid rgba(0,255,65,0.2);
    flex-direction: column;
    padding: 1rem;
    gap: 0;
    transform: translateY(-110%);
    opacity: 0;
    transition: transform 0.35s ease, opacity 0.35s ease;
    pointer-events: none;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-links li a {
    display: block;
    padding: 10px 16px;
    border-bottom: 1px solid rgba(0,255,65,0.08);
  }

  .nav-toggle { display: flex; }
  .nav-status  { display: none; }
}