/* ============================================
   V2 - Modern Navigation
   ============================================ */

/* Main nav bar */
.main-nav {
  width: 100%;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.main-nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  padding: 0 24px;
  height: 60px;
}

/* Logo + Home in nav */
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
  margin-right: 20px;
  transition: opacity var(--transition);
}

.nav-brand:hover {
  opacity: 0.85;
  text-decoration: none;
}

.nav-brand__img {
  height: 48px;
  width: auto;
  border-radius: 4px;
}

.nav-brand__text {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.nav-links::-webkit-scrollbar { display: none; }

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  text-decoration: none;
  white-space: nowrap;
  transition: all var(--transition);
}

.nav-link:hover {
  background: var(--surface-blue);
  color: var(--primary);
  text-decoration: none;
}

.nav-link--active {
  background: var(--surface-blue);
  color: var(--primary);
  font-weight: 600;
}

/* Sub-nav */
.sub-nav {
  width: 100%;
  background: var(--surface-blue);
  border-bottom: 1px solid var(--border);
}

.sub-nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 4px;
  height: 44px;
  overflow-x: auto;
  scrollbar-width: none;
}
.sub-nav__inner::-webkit-scrollbar { display: none; }

.sub-nav__link {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  text-decoration: none;
  white-space: nowrap;
  transition: all var(--transition);
}

.sub-nav__link:hover {
  background: var(--surface);
  color: var(--primary);
  text-decoration: none;
}

.sub-nav__link--active {
  background: var(--surface);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

/* Mobile */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
}

@media (max-width: 768px) {
  .main-nav__inner { padding: 0 16px; height: 52px; }
  .nav-brand { margin-right: 8px; }
  .nav-brand__img { height: 42px; }
  .nav-brand__text { font-size: 0.9rem; }
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 52px;
    left: 0;
    right: 0;
    background: var(--surface);
    flex-direction: column;
    align-items: stretch;
    padding: 8px 16px;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--border);
    z-index: 99;
  }
  .nav-links.is-open { display: flex; }
  .nav-link { padding: 12px 16px; border-radius: var(--radius-sm); }
  .sub-nav__inner { padding: 0 16px; }
}

@media (max-width: 480px) {
  .nav-brand__text { display: none; }
}