#main-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  transition: background 400ms, padding 400ms, box-shadow 400ms;
  padding: 0;
}

#main-nav.scrolled {
  background: rgba(8,1,15,0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(139,47,201,0.2);
}

.nav__inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2.5rem;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 3rem;
}

.nav__logo {
  flex-shrink: 0;
  cursor: pointer;
}
.nav__logo img {
  height: 38px;
  filter: brightness(0) invert(1);
  transition: opacity 300ms;
}
.nav__logo:hover img { opacity: 0.8; }

.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  margin-left: auto;
}
.nav__links a {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.7);
  transition: color 250ms;
  cursor: pointer;
  position: relative;
}
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px;
  background: var(--yellow-main);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 300ms var(--ease-expo);
}
.nav__links a:hover { color: var(--white); }
.nav__links a:hover::after { transform: scaleX(1); }

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  margin-left: auto;
}
.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 350ms var(--ease-expo), opacity 300ms, width 300ms;
}
.nav__hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__hamburger.open span:nth-child(2) {
  opacity: 0; width: 0;
}
.nav__hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile overlay */
.nav__mobile-overlay {
  position: fixed;
  top: 0; right: 0;
  width: 100%;
  height: 100%;
  height: 100dvh;
  background: #08010F;
  z-index: calc(var(--z-nav) - 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  transform: translateX(100%);
  transition: transform 450ms cubic-bezier(0.77, 0, 0.175, 1);
  pointer-events: none;
  overflow: hidden;
}
.nav__mobile-overlay.open {
  transform: translateX(0);
  pointer-events: all;
}

/* Decorative accent line */
.nav__mobile-overlay::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, transparent, var(--purple-main), var(--yellow-main), transparent);
}

.nav__mobile-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  width: 100%;
  padding: 0 2.5rem;
}
.nav__mobile-links li {
  width: 100%;
  overflow: hidden;
}
.nav__mobile-links a {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 6.5vw, 2rem);
  color: rgba(255,255,255,0.85);
  padding: 0.55rem 0;
  border-bottom: 1px solid rgba(139,47,201,0.15);
  transform: translateX(60px);
  opacity: 0;
  transition: transform 400ms var(--ease-expo), opacity 400ms, color 250ms;
  letter-spacing: -0.01em;
  text-decoration: none;
}
.nav__mobile-overlay.open .nav__mobile-links a {
  transform: translateX(0);
  opacity: 1;
}
.nav__mobile-overlay.open .nav__mobile-links li:nth-child(1) a { transition-delay: 120ms; }
.nav__mobile-overlay.open .nav__mobile-links li:nth-child(2) a { transition-delay: 180ms; }
.nav__mobile-overlay.open .nav__mobile-links li:nth-child(3) a { transition-delay: 240ms; }
.nav__mobile-overlay.open .nav__mobile-links li:nth-child(4) a { transition-delay: 300ms; }
.nav__mobile-overlay.open .nav__mobile-links li:nth-child(5) a { transition-delay: 360ms; }
.nav__mobile-overlay.open .nav__mobile-links li:nth-child(6) a { transition-delay: 420ms; }
.nav__mobile-links a:hover,
.nav__mobile-links a:active { color: var(--yellow-main); }

/* CTA button inside overlay */
.nav__mobile-cta {
  margin-top: 2.5rem;
  padding: 0 2.5rem;
  width: 100%;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 400ms, transform 400ms var(--ease-expo);
  transition-delay: 0ms;
}
.nav__mobile-overlay.open .nav__mobile-cta {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 480ms;
}
.nav__mobile-cta .btn--nav {
  font-size: 0.9rem;
  padding: 0.85rem 2rem;
  justify-content: center;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Buton închide (X) în colțul din dreapta sus al overlay-ului */
.nav__mobile-close {
  position: absolute;
  top: 1.1rem;
  right: 1.2rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.07);
  border-radius: 50%;
  cursor: pointer;
  transition: background 250ms, color 250ms, transform 250ms;
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms 200ms, background 250ms, color 250ms;
}
.nav__mobile-overlay.open .nav__mobile-close {
  opacity: 1;
  pointer-events: all;
}
.nav__mobile-close:hover,
.nav__mobile-close:active {
  background: rgba(245,197,24,0.15);
  color: var(--yellow-main);
}

@media (max-width: 1024px) {
  .btn--nav { display: none; }
}
@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
  /* Butonul din overlay nu se ascunde */
  .nav__mobile-cta .btn--nav { display: inline-flex; }
}