.navbar {
    background: linear-gradient(135deg, var(--color-brand-dark-start) 0%, var(--color-brand-dark-end) 100%);    
    padding: var(--space-16) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
    transition: all var(--duration-normal) var(--ease-standard);
}

.navbar.scrolled {
    box-shadow: var(--shadow-lg);
}

.navbar-container {
    max-width: var(--container-lg);
    margin: 0 auto;
    padding: 0 var(--space-16);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    flex-shrink: 0;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    text-decoration: none;
}

.logo {
    height: 40px;
    width: auto;
    transition: transform var(--duration-normal) var(--ease-standard);
}

.brand-name {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: var(--space-24);
    align-items: center;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    padding: var(--space-8) var(--space-16);
    border-bottom: 2px solid transparent;
    transition: all var(--duration-fast) var(--ease-standard);
    font-size: var(--font-size-md);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-white);
    border-bottom-color: var(--color-primary);
}

.nav-login {
    background-color: var(--color-primary);
    color: var(--color-btn-primary-text) !important;
    padding: var(--space-8) var(--space-16);
    border-radius: var(--radius-base);
    border-bottom: 2px solid transparent;
    font-weight: var(--font-weight-medium);
    transition: all var(--duration-normal) var(--ease-standard);
}

.nav-login:hover {
    background-color: var(--color-primary-hover);
    box-shadow: var(--shadow-sm);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-white);
    border-radius: var(--radius-sm);
    transition: all var(--duration-normal) var(--ease-standard);
}

/* ============================================================================
MOBILE NAVIGATION - TABLET (768px and below)
============================================================================ */

@media (max-width: 768px) {
  .navbar {
    padding: var(--space-16) 0;
    position: relative;
    z-index: 1001;
  }

  .navbar-container {
    padding: 0 var(--space-20);
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  /* Logo stays visible on mobile */
  .navbar-brand {
    z-index: 1002;
    position: relative;
  }

  .logo {
    height: 35px;
  }

  .brand-name {
    font-size: var(--font-size-lg);
  }

  /* Hamburger button stays visible */
  .mobile-menu-toggle {
    display: flex;
    z-index: 1002;
    position: relative;
    margin: 0 calc(-1 * var(--space-2));
  }

  .mobile-menu-toggle:hover {
    opacity: 0.7;
  }

  .mobile-menu-toggle span {
    width: 24px;
    height: 2.5px;
  }

  /* Mobile Menu Container */
  .navbar-menu {
    position: fixed;
    top: 67px;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    background: linear-gradient(135deg, var(--color-brand-dark-start) 0%, var(--color-brand-dark-end) 100%);
    backdrop-filter: blur(10px);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--duration-normal) var(--ease-standard);
    z-index: 999;
    gap: 0;
    padding: 0;
    margin: 0;
  }

  /* Mobile Menu Active State */
  .navbar-menu.active {
    max-height: calc(100vh - 67px);
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
  }

  /* Navigation Links - 48px touch targets */
  .nav-link {
    padding: var(--space-16) var(--space-24);
    border-bottom: 1px solid rgba(var(--color-gray-400-rgb), 0.2);
    font-size: var(--font-size-base);
    min-height: 48px;
    display: flex;
    align-items: center;
    transition: all var(--duration-fast) var(--ease-standard);
    width: 100%;
    color: rgba(255, 255, 255, 0.9);
    border-radius: 0;
  }

  /* Nav Link Hover */
  .nav-link:hover {
    background-color: rgba(var(--color-teal-300-rgb), 0.15);
    padding-left: var(--space-32);
    color: var(--color-white);
    border-bottom-color: transparent;
  }

  .nav-link.active {
    background-color: rgba(var(--color-teal-300-rgb), 0.2);
    color: var(--color-white);
    border-bottom-color: transparent;
  }

  .nav-link:focus-visible {
    outline: var(--focus-outline);
    outline-offset: -2px;
    box-shadow: none;
  }

  /* Login Button Mobile */
  .nav-login {
    margin: var(--space-16);
    padding: var(--space-16) var(--space-24);
    width: calc(100% - var(--space-32));
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-base);
    font-size: var(--font-size-base);
    transition: all var(--duration-fast) var(--ease-standard);
    border-bottom: none;
    box-shadow: var(--shadow-inset-sm);
  }

  .nav-login:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
  }

  .nav-login:active {
    background-color: var(--color-primary-active);
    transform: translateY(0);
  }
}

/* ============================================================================
MOBILE PORTRAIT - 480px AND BELOW
============================================================================ */

@media (max-width: 480px) {
  .navbar {
    padding: var(--space-12) 0;
  }

  .navbar-container {
    padding: 0 var(--space-16);
  }

  .brand-name {
    font-size: var(--font-size-md);
  }

  .logo {
    height: 32px;
  }

  /* Mobile Menu Container */
  .navbar-menu {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    background: linear-gradient(135deg, var(--color-brand-dark-start) 0%, var(--color-brand-dark-end) 100%);
    backdrop-filter: blur(10px);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--duration-normal) var(--ease-standard);
    z-index: 999;
    gap: 0;
    padding: 0;
    margin: 0;
  }

  .navbar-menu.active {
    max-height: calc(100vh - 60px);
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
  }

  /* Navigation Links - Maintain 48px touch targets */
  .nav-link {
    padding: var(--space-16) var(--space-20);
    border-bottom: 1px solid rgba(var(--color-gray-400-rgb), 0.2);
    font-size: var(--font-size-sm);
    min-height: 48px;
    display: flex;
    align-items: center;
    transition: all var(--duration-fast) var(--ease-standard);
    width: 100%;
    color: rgba(255, 255, 255, 0.9);
  }

  .nav-link:hover {
    background-color: rgba(var(--color-teal-300-rgb), 0.15);
    padding-left: var(--space-24);
    color: var(--color-white);
    border-bottom-color: transparent;
  }

  .nav-link.active {
    background-color: rgba(var(--color-teal-300-rgb), 0.2);
    color: var(--color-white);
    border-bottom-color: transparent;
  }

  .nav-link:focus-visible {
    outline: var(--focus-outline);
    outline-offset: -2px;
    box-shadow: none;
  }

  /* Login Button Mobile */
  .nav-login {
    margin: var(--space-12);
    padding: var(--space-12) var(--space-20);
    width: calc(100% - var(--space-24));
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-base);
    font-size: var(--font-size-sm);
    box-shadow: var(--shadow-inset-sm);
  }

  .nav-login:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
  }

  .nav-login:active {
    background-color: var(--color-primary-active);
    transform: translateY(0);
  }

  /* Hamburger Menu Toggle */
  .mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: var(--space-6);
    padding: var(--space-8);
    margin: 0 calc(-1 * var(--space-6));
    transition: all var(--duration-fast) var(--ease-standard);
  }

  .mobile-menu-toggle:hover {
    opacity: 0.7;
  }

  .mobile-menu-toggle span {
    width: 22px;
    height: 2.5px;
    background-color: var(--color-white);
    border-radius: var(--radius-sm);
    transition: all var(--duration-normal) var(--ease-standard);
  }
}