/* ==========================================================================
   LicitaciónYa — Modern Enterprise B2B Navigation Bar
   Clean, Balanced, Spacious & Mobile Responsive
   ========================================================================== */

.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.85rem 0;
  transition: all var(--transition-fast);
}

.navbar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2.5px;
  background: linear-gradient(90deg, #facc15 0%, #facc15 50%, #1d4ed8 50%, #1d4ed8 75%, #ef4444 75%, #ef4444 100%);
  z-index: 1001;
}

.navbar.scrolled {
  padding: 0.65rem 0;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
  border-bottom-color: rgba(226, 232, 240, 0.9);
}

.nav-container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

/* Brand Link & Symbol */
.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-symbol {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, #0f2744 0%, #1e3a8a 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #38bdf8;
  box-shadow: 0 2px 6px rgba(15, 39, 68, 0.2);
  transition: transform var(--transition-fast);
}

.brand-link:hover .brand-symbol {
  transform: scale(1.05);
}

.brand-text {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--brand-navy);
  letter-spacing: -0.025em;
  white-space: nowrap;
}

.brand-text strong {
  color: var(--brand-blue);
}

.brand-badge {
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 0.18rem 0.55rem;
  background: #ffffff;
  color: #0f1f3d;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.brand-badge::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(180deg, #facc15 0%, #facc15 50%, #2563eb 50%, #2563eb 75%, #ef4444 75%, #ef4444 100%);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.1);
}

/* Desktop Navigation Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-item {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.nav-item:hover {
  color: var(--brand-navy);
  background: var(--bg-surface-alt);
}

.nav-mobile-cta {
  display: none;
}

/* Nav Actions & CTA Button */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

.nav-login-link {
  font-size: 0.84rem;
  font-weight: 600;
  color: #475569;
  text-decoration: none;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-login-link:hover {
  color: var(--brand-navy);
  background: var(--bg-surface-alt);
}

.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.15rem;
  background: var(--brand-whatsapp);
  color: #ffffff;
  font-size: 0.84rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 1px 3px rgba(22, 163, 74, 0.25);
  transition: all var(--transition-fast);
}

.nav-cta-btn:hover {
  background: var(--brand-whatsapp-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(22, 163, 74, 0.35);
  color: #ffffff;
}

/* Mobile Hamburger Toggle */
.menu-toggle {
  display: none;
  background: #ffffff;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  color: var(--brand-navy);
  cursor: pointer;
  padding: 0.45rem;
  transition: all var(--transition-fast);
}

.menu-toggle:hover {
  background: var(--bg-surface-alt);
  border-color: var(--brand-blue);
}

/* Responsive Behavior */
@media (max-width: 1040px) {
  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav-menu {
    position: fixed;
    top: 61px;
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: 2px solid var(--border-medium);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.18);
    flex-direction: column;
    padding: 1.25rem 1.5rem 1.75rem;
    gap: 0.25rem;
    display: none;
    z-index: 999;
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-menu .nav-item {
    width: 100%;
    padding: 0.85rem 1rem;
    text-align: left;
    font-size: 0.96rem;
    font-weight: 600;
    color: var(--brand-navy);
    border-radius: var(--radius-md);
    border-bottom: 1px solid var(--border-subtle);
  }

  .nav-menu .nav-item:last-of-type {
    border-bottom: none;
  }

  .nav-menu .nav-item:hover {
    background: var(--bg-surface-alt);
    color: var(--brand-blue);
  }

  .nav-mobile-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    margin-top: 1rem;
    padding: 0.85rem 1.25rem;
    background: var(--brand-whatsapp);
    color: #ffffff;
    font-size: 0.92rem;
    font-weight: 700;
    border-radius: var(--radius-md);
    text-decoration: none;
    text-align: center;
    box-shadow: 0 2px 8px rgba(22, 163, 74, 0.3);
  }
}

@media (max-width: 680px) {
  .navbar {
    padding: 0.65rem 0;
  }

  .nav-container {
    padding: 0 1rem;
  }

  .brand-text {
    font-size: 1.15rem;
  }

  .brand-badge {
    display: none;
  }

  .nav-actions .nav-cta-btn {
    display: none;
  }
}