/* ============================================================
   NAVBAR
   ============================================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: background 0.4s var(--ease-out), backdrop-filter 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
  overflow: visible;
}

.navbar.scrolled {
  background: rgba(8,8,8,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: var(--card-border);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.nav-logo {
  font-family: 'Syne', sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

.nav-logo span {
  color: var(--accent);
}

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

.nav-links a {
  display: block;
  padding: 8px 14px;
  font-size: var(--fs-sm);
  font-weight: 400;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: rgba(255,255,255,0.05);
}

.nav-vault a {
  color: var(--accent) !important;
  border: 1px solid rgba(255,68,68,0.4);
  background: rgba(255,68,68,0.08);
}

.nav-vault a:hover {
  background: rgba(255,68,68,0.15) !important;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 8px;
  cursor: pointer;
  padding: 8px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  -webkit-appearance: none;
  appearance: none;
  width: 44px;
  height: 40px;
  border-radius: 8px;
  position: relative;
  z-index: 1101;
  overflow: visible;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s, background 0.2s;
  transform-origin: center;
}

.nav-toggle:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.nav-toggle.open span:nth-child(1) { display: none; }
.nav-toggle.open span:nth-child(2) { display: none; }
.nav-toggle.open span:nth-child(3) { display: none; }

.nav-toggle::before,
.nav-toggle::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  opacity: 0;
  transition: opacity 0.25s, transform 0.25s;
}

.nav-toggle::before {
  transform: rotate(45deg);
}

.nav-toggle::after {
  transform: rotate(-45deg);
}

.nav-toggle.open::before,
.nav-toggle.open::after {
  opacity: 1;
}

@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  /* Keep the toggle fixed so the transformed cross never gets clipped */
  .nav-toggle {
    position: fixed;
    top: 8px;
    right: 28px;
    z-index: 1102;
    width: 56px;
    height: 56px;
    margin: 0;
    background: transparent;
    backdrop-filter: none;
    overflow: visible;
  }
  
  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 100vw);
    flex-direction: column;
    align-items: flex-start;
    background: rgba(10,10,10,0.98);
    backdrop-filter: blur(24px);
    padding: 100px 32px 40px;
    gap: 4px;
    transform: translateX(100%);
    transition: transform 0.4s var(--ease-out);
    border-left: 1px solid var(--card-border);
    z-index: 1000;
    overflow-y: auto;
  }

  .nav-links.open { transform: translateX(0); }
  
  .nav-links a { font-size: 1.1rem; padding: 12px 16px; }
}

@media (max-width: 768px) {
  .navbar-inner { padding: 0 20px; }
}