/* ============================================
   DARKPORT — NAV
   ============================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  transition: background var(--duration) var(--ease),
              border-color var(--duration) var(--ease);
}

.nav.scrolled {
  background: rgba(0, 0, 0, 0.92);
  border-bottom: 0.5px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* logo */
.nav__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.nav__logo img,
.nav__logo svg {
  height: 36px;
  width: auto;
}

/* desktop links */
.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav__links a {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color var(--duration) var(--ease);
}

.nav__links a:hover {
  color: var(--white);
  opacity: 1;
}

.nav__cta {
  padding: 0.5rem 1.25rem !important;
  font-size: 0.7rem !important;
}

/* hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--white);
  transition: all 0.3s var(--ease);
  transform-origin: center;
}

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

/* mobile menu */
.nav__mobile {
  display: none;
  flex-direction: column;
  gap: 0;
  background: rgba(0,0,0,0.96);
  border-top: 0.5px solid rgba(255,255,255,0.08);
  padding: 1rem 0;
}

.nav__mobile.open {
  display: flex;
}

.nav__mobile a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  padding: 0.85rem 1.25rem;
  border-bottom: 0.5px solid rgba(255,255,255,0.06);
  transition: color var(--duration) var(--ease),
              background var(--duration) var(--ease);
}

.nav__mobile a:hover {
  color: var(--white);
  background: rgba(255,255,255,0.04);
  opacity: 1;
}

.nav__mobile a:last-child {
  border-bottom: none;
  color: var(--white);
  margin-top: 0.5rem;
}

/* responsive */
@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
}