/* ─── SHARED NAVIGATION ────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: background 0.3s, box-shadow 0.3s, backdrop-filter 0.3s;
}

.nav.scrolled {
  background: rgba(10,14,23,0.92);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  box-shadow: 0 1px 0 var(--border), var(--shadow-sm);
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo-img {
  height: 38px;
  width: auto;
}

.nav-logo-text {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2.5px;
  color: var(--text-primary);
  text-transform: uppercase;
}

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

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

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius);
  transition: color 0.2s, background 0.2s;
  cursor: pointer;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.04);
}

.nav-link svg {
  width: 12px; height: 12px;
  transition: transform 0.25s;
  opacity: 0.5;
}

.nav-item:hover > .nav-link svg,
.nav-item.open > .nav-link svg {
  transform: rotate(180deg);
  opacity: 1;
}

/* Dropdown */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 240px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
  box-shadow: var(--shadow-lg);
}

.nav-dropdown::before {
  content: '';
  position: absolute;
  top: -12px;
  left: 0; right: 0;
  height: 12px;
}

.nav-item:hover > .nav-dropdown,
.nav-item.open > .nav-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown a {
  display: block;
  padding: 10px 16px;
  font-size: 13.5px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius);
  transition: color 0.15s, background 0.15s, padding-left 0.15s;
}

.nav-dropdown a:hover {
  color: var(--accent);
  background: rgba(0,212,170,0.06);
  padding-left: 20px;
}

/* CTA */
.nav-cta {
  margin-left: 12px;
  padding: 9px 24px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--bg-primary);
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  letter-spacing: 0.3px;
  flex-shrink: 0;
}

.nav-cta:hover {
  background: var(--accent-bright);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0,212,170,0.3);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  padding: 10px;
}

.nav-hamburger span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: transform 0.3s, opacity 0.3s;
  transform-origin: center;
}

.nav-hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; }
.nav-hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0;
  bottom: 0;
  background: var(--bg-primary);
  overflow-y: auto;
  padding: 24px;
  z-index: 999;
}

.nav-mobile.active { display: block; }

.nav-mobile-item {
  border-bottom: 1px solid var(--border);
}

.nav-mobile-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  cursor: pointer;
}

.nav-mobile-link svg {
  width: 14px; height: 14px;
  transition: transform 0.3s;
  opacity: 0.4;
}

.nav-mobile-item.open .nav-mobile-link svg {
  transform: rotate(180deg);
  opacity: 1;
}

.nav-mobile-dropdown {
  display: none;
  padding: 0 0 12px 0;
}

.nav-mobile-item.open .nav-mobile-dropdown { display: block; }

.nav-mobile-dropdown a {
  display: block;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius);
}

.nav-mobile-dropdown a:hover {
  color: var(--accent);
  background: rgba(0,212,170,0.06);
}

.nav-mobile-cta {
  display: block;
  text-align: center;
  margin-top: 24px;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--bg-primary);
  background: var(--accent);
  border-radius: var(--radius);
  text-decoration: none;
}

/* ─── NAV RESPONSIVE ───────────────────────── */
@media (max-width: 768px) {
  .nav-menu, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
}