/* Mobile Navigation — hamburger menu */

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #ffffff;
  border-radius: 2px;
  transition: all 0.3s ease;
  margin: 5px 0;
}

/* Hamburger -> X animation */
.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile overlay menu */
.nav-mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(12, 12, 14, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.nav-mobile-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.nav-mobile-overlay ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 0;
  padding: 0;
  margin: 0;
}

.nav-mobile-overlay li {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
}

.nav-mobile-overlay.open li {
  opacity: 1;
  transform: translateY(0);
}

.nav-mobile-overlay.open li:nth-child(1) { transition-delay: 0.1s; }
.nav-mobile-overlay.open li:nth-child(2) { transition-delay: 0.15s; }
.nav-mobile-overlay.open li:nth-child(3) { transition-delay: 0.2s; }
.nav-mobile-overlay.open li:nth-child(4) { transition-delay: 0.25s; }

.nav-mobile-overlay a {
  display: block;
  padding: 20px 40px;
  font-size: 24px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.2s ease;
  letter-spacing: -0.01em;
}

.nav-mobile-overlay a:hover {
  color: #ffffff;
}

.nav-mobile-overlay .btn {
  margin-top: 8px;
  font-size: 16px;
  padding: 12px 36px;
}

@media (max-width: 768px) {
  .nav-links {
    display: none !important;
  }
  .nav-toggle {
    display: block;
  }
  .nav-mobile-overlay {
    display: block;
  }
}