/* ============================================
   Navigation
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  z-index: 1000;
  transition: all var(--transition-base);
  background: transparent;
}

.navbar.scrolled {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--shadow-sm);
}

.navbar.solid {
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

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

.nav-logo img { height: 44px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links a {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-dark);
  position: relative;
  padding: 8px 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: color var(--transition-fast);
}

.navbar:not(.scrolled):not(.solid) .nav-links a { color: var(--color-white); }

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

.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a:hover { color: var(--color-primary); }
.navbar:not(.scrolled):not(.solid) .nav-links a:hover { color: var(--color-accent-light); }

.nav-cta { margin-left: var(--space-md); }
.nav-cta .btn { padding: 10px 24px; font-size: var(--font-size-sm); }

.navbar:not(.scrolled):not(.solid) .nav-cta .btn-primary {
  background: var(--color-white); color: var(--color-primary); box-shadow: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  z-index: 1010;
}

.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--color-dark);
  transition: all var(--transition-base);
  border-radius: var(--radius-full);
}

.navbar:not(.scrolled):not(.solid) .nav-toggle span { background: var(--color-white); }
.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); }

.nav-mobile { display: none; }