/* ============================================================
   CSSLLC — Navigation v2
   nav.css | Wordmark, sticky, hamburger (left on mobile)
   ============================================================ */

#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.03);
  transition: background var(--transition-base), backdrop-filter var(--transition-base),
              box-shadow var(--transition-base);
}

#navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06), 0 1px 0 var(--border);
}

/* ---------- Nav Inner ---------- */
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: var(--space-xl);
}

/* ---------- Logo / Wordmark ---------- */
.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo-img {
  max-height: 60px;
  width: auto;
  display: block;
  object-fit: contain;
}

/* ---------- Desktop Nav Links ---------- */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
  margin-inline: auto;
}

.nav-links a {
  font-size: var(--fs-base);
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent);
  border-radius: var(--radius-pill);
  transition: width var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* ---------- Nav CTA ---------- */
.nav-cta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-shrink: 0;
}

.nav-cta .btn {
  padding: 0.8rem 1.5rem;
  font-size: var(--fs-sm);
  white-space: nowrap;
}

/* ---------- Hamburger ---------- */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  order: -1; /* left side on mobile */
  transition: background var(--transition-fast);
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.hamburger:hover { background: rgba(29, 78, 216, 0.08); }

.hamburger:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.hamburger-line {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-primary);
  border-radius: var(--radius-pill);
  transition: transform var(--transition-base), opacity var(--transition-fast), width var(--transition-base);
  transform-origin: center;
}

.hamburger[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.hamburger[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
  width: 0;
}
.hamburger[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ---------- Mobile Drawer ---------- */
.mobile-menu {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  padding: var(--space-xl) var(--container-px) var(--space-2xl);
  transform: translateY(-110%);
  transition: transform var(--transition-base);
  z-index: 999;
}

.mobile-menu.open { transform: translateY(0); }

.mobile-menu-links {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: var(--space-xl);
}

.mobile-menu-links a {
  display: block;
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-light);
  transition: color var(--transition-fast);
}

.mobile-menu-links a:hover,
.mobile-menu-links a.active { color: var(--text-primary); }

.mobile-menu-cta .btn {
  width: 100%;
  padding: 0.9rem;
  font-size: var(--fs-base);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .nav-links { gap: var(--space-lg); }
}

@media (max-width: 768px) {
  .nav-links,
  .nav-cta { display: none; }
  .hamburger { display: flex; }

  .nav-logo-img { max-height: 50px; }
}