/* nav.css — Canonical navigation styles shared across all pages.
   Loaded after brand.css + design-system.css + nova-light.css.
   Defines the three CSS vars that are only in index.html inline styles
   so all pages render the dropdown nav correctly. */

:root {
  --orange:     #FF6A00;
  --nav-h:      72px;
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}

/* ── Base nav bar ─────────────────────────────────────────────── */
.nova-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: background var(--transition), border-color var(--transition), backdrop-filter var(--transition);
}
.nova-nav.scrolled {
  background: rgba(255,255,255,0.90);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(0,0,0,0.10);
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  gap: 16px;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-icon {
  font-size: 22px;
  color: var(--orange);
  line-height: 1;
}
.logo-text {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: rgba(10,10,20,0.92);
  letter-spacing: -0.03em;
}
.logo-accent { color: var(--orange); }

/* Nav center */
.nav-center { display: flex; align-items: center; gap: 4px; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: rgba(10,10,20,0.60);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-link:hover { color: rgba(10,10,20,0.92); background: rgba(0,0,0,0.05); }

/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: rgba(10,10,20,0.60);
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-dropdown-trigger:hover { color: rgba(10,10,20,0.92); background: rgba(0,0,0,0.05); }
.nav-dropdown-trigger svg { transition: transform var(--transition); }
.nav-dropdown.open .nav-dropdown-trigger { color: rgba(10,10,20,0.92); }
.nav-dropdown.open .nav-dropdown-trigger svg { transform: rotate(180deg); }

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 220px;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(0,0,0,0.10);
  box-shadow: 0 8px 32px rgba(0,0,0,0.10);
  border-radius: var(--radius-md);
  padding: 8px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: all var(--transition);
  z-index: 100;
}
.nav-dropdown.open .nav-dropdown-menu {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.nav-dropdown-item {
  display: block;
  padding: 10px 14px;
  font-size: 14px;
  color: rgba(10,10,20,0.65);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.nav-dropdown-item:hover { background: rgba(0,0,0,0.04); color: rgba(10,10,20,0.90); }

/* Nav actions */
.nav-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.nav-sign-in {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: rgba(10,10,20,0.60);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.nav-sign-in:hover { color: rgba(10,10,20,0.92); background: rgba(0,0,0,0.05); }

/* Mobile toggle */
.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
}
.nav-mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(10,10,20,0.60);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav-mobile-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-mobile-toggle.active span:nth-child(2) { opacity: 0; }
.nav-mobile-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile menu ──────────────────────────────────────────────── */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  padding: calc(var(--nav-h) + 24px) 32px 40px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-16px);
  transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
}
.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.mobile-menu-section { margin-bottom: 28px; }
.mobile-menu-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 12px;
}
.mobile-menu-link {
  display: block;
  padding: 12px 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  color: rgba(10,10,20,0.65);
  text-decoration: none;
  border-bottom: 1px solid rgba(0,0,0,0.08);
  transition: color var(--transition);
}
.mobile-menu-link:hover { color: rgba(10,10,20,0.92); }
.mobile-menu-actions { display: flex; flex-direction: column; gap: 12px; margin-top: auto; }

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .nav-center { display: none; }
  .nav-mobile-toggle { display: flex; }
}