.ts-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: linear-gradient(135deg, #00a35c 0%, #00703e 100%);
  box-shadow: var(--shadow-md);
  border-bottom: 3px solid var(--accent-500);
  transition: all var(--transition-base);
  animation: slideDown var(--transition-base) ease-out;
}

.ts-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4'/%3E%3C/filter%3E%3Crect width='100' height='100' filter='url(%23n)' opacity='.03'/%3E%3C/svg%3E");
  opacity: 5%;
  pointer-events: none;
}

.ts-header--scrolled {
  box-shadow: var(--shadow-xl);
  border-bottom-width: 2px;
}

.ts-header__container {
  max-width: 1536px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.ts-header__branding {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.ts-header__logo-link {
  display: block;
  transition: transform var(--transition-base) var(--ease-spring);
}

.ts-header__logo-link:hover {
  transform: scale(1.05) rotate(-2deg);
}

.ts-header__logo {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.ts-header--scrolled .ts-header__logo {
  width: 50px;
  height: 50px;
}

.ts-header__info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.ts-header__company {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: #ffffff;
  line-height: 1;
  letter-spacing: -0.01em;
}

.ts-header__region {
  font-size: var(--text-sm);
  color: #f5d48d;
  font-weight: 500;
}

.ts-header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.desktop-nav {
  flex: 1;
  display: none;
}

@media (min-width: 769px) {
  .desktop-nav {
    display: block;
  }

  .mobile-nav__toggle {
    display: none;
  }
}

.desktop-nav__list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.desktop-nav__item {
  position: relative;
}

.desktop-nav__link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
  background: 0 0;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  position: relative;
}

.desktop-nav__link::after {
  content: '';
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 2px;
  background: var(--accent-500);
  transition: transform var(--transition-base) var(--ease-spring);
}

.desktop-nav__link:hover::after,
.desktop-nav__link:focus::after {
  transform: translateX(-50%) scaleX(1);
}

.desktop-nav__link:hover {
  background: rgb(255 255 255 / 10%);
  color: #f5d48d;
}

.dropdown-arrow {
  margin-left: 0.25rem;
  transition: transform var(--transition-base);
  width: 12px;
  height: 12px;
}

.desktop-nav__trigger[aria-expanded='true'] .dropdown-arrow {
  transform: rotate(180deg);
}

.desktop-nav__dropdown {
  position: absolute;
  top: calc(100% + 0.75rem);
  left: 0;
  min-width: 260px;
  background: #ffffff;
  border: 2px solid var(--accent-500);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 0.5rem;
  list-style: none;
  margin: 0;
  opacity: 0%;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base) var(--ease-spring);
  z-index: var(--z-dropdown);
  pointer-events: none;
}

.desktop-nav__trigger[aria-expanded='true'] + .desktop-nav__dropdown,
.desktop-nav__item--dropdown:hover .desktop-nav__dropdown {
  opacity: 100%;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
  animation: scaleIn var(--transition-base) var(--ease-spring);
}

.desktop-nav__dropdown::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 20px;
  width: 14px;
  height: 14px;
  background: #ffffff;
  border-top: 2px solid var(--accent-500);
  border-left: 2px solid var(--accent-500);
  transform: rotate(45deg);
}

.desktop-nav__dropdown li {
  margin: 0;
}

.desktop-nav__dropdown a {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  color: var(--neutral-900);
  text-decoration: none;
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.desktop-nav__dropdown a::before {
  content: '→';
  left: 0.5rem;
  opacity: 0%;
  transform: translateX(-10px);
  transition: all var(--transition-fast);
  color: var(--primary-500);
  font-weight: 700;
}

.desktop-nav__dropdown a:hover {
  background: var(--primary-50);
  color: var(--primary-700);
  padding-left: 1.5rem;
}

.desktop-nav__dropdown a:hover::before {
  opacity: 100%;
  transform: translateX(0);
}

/* Featured TillerPro Item */
.desktop-nav__dropdown-item--featured a {
  background: linear-gradient(135deg, var(--accent-500) 0%, var(--accent-600) 100%);
  color: #ffffff;
  font-weight: 600;
  padding: 1rem;
  margin-bottom: 0.5rem;
  box-shadow: 0 2px 8px rgb(197 145 77 / 30%);
}

.desktop-nav__dropdown-item--featured a:hover {
  background: linear-gradient(135deg, var(--accent-600) 0%, #976715 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgb(197 145 77 / 40%);
  padding-left: 1rem;
}

.desktop-nav__dropdown-item--featured a::before {
  content: '';
  display: none;
}

.nav-item-icon {
  font-size: 1.25rem;
  margin-right: 0.5rem;
}

.nav-item-content {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.nav-item-content strong {
  font-weight: 700;
  font-size: 0.9375rem;
}

.nav-item-content small {
  font-size: 0.75rem;
  opacity: 90%;
}

.desktop-nav__dropdown-divider {
  height: 1px;
  background: var(--neutral-200);
  margin: 0.25rem 0;
}

.mobile-nav__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: 0 0;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  position: relative;
  width: 40px;
  height: 40px;
  justify-content: center;
  align-items: center;
}

@media (min-width: 769px) {
  .mobile-nav__toggle {
    display: none;
  }
}

.hamburger {
  width: 24px;
  height: 2px;
  background: #ffffff;
  border-radius: 9999px;
  transition: all var(--transition-base);
}

.mobile-nav__toggle[aria-expanded='true'] .hamburger:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

.mobile-nav__toggle[aria-expanded='true'] .hamburger:nth-child(2) {
  opacity: 0%;
  top: 0;
  right: -100%;
  width: min(320px, 85vw);
  height: 100vh;
  background: var(--surface-cream);
  border-left: 3px solid var(--accent-500);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-modal);
  transition: right var(--transition-slow) var(--ease-spring);
  overflow-y: auto;
}

.mobile-nav[aria-hidden='false'] {
  right: 0;
  animation: slideDown var(--transition-slow) var(--ease-spring);
}

.mobile-nav__header {
  padding: 1.5rem;
  border-bottom: 2px solid var(--neutral-50);
  display: flex;
  justify-content: flex-end;
}

.mobile-nav__close {
  background: var(--primary-500);
  color: #ffffff;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--text-xl);
  font-weight: 700;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.mobile-nav__close:hover {
  background: var(--primary-700);
  transform: rotate(90deg);
}

.mobile-nav__body {
  padding: 1rem 0;
}

.mobile-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-nav__list > li > a,
.mobile-nav__accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  color: var(--neutral-900);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  font-family: var(--font-body);
  background: 0 0;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}

.mobile-nav__list > li > a:hover,
.mobile-nav__accordion-trigger:hover {
  background: var(--primary-50);
  border-left-color: var(--primary-500);
  font-weight: 700;
  color: var(--accent-600);
}

.mobile-nav__accordion-trigger[aria-expanded='true'] .arrow {
  transform: rotate(90deg);
}

.mobile-nav__submenu {
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--neutral-50);
  border-left: 3px solid var(--primary-500);
}

.mobile-nav__submenu li a {
  display: block;
  padding: 0.75rem 1.5rem 0.75rem 2rem;
  color: var(--neutral-700);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}

.mobile-nav__submenu li a:hover {
  color: var(--primary-700);
  background: var(--primary-50);
  border-left-color: var(--accent-500);
  padding-left: calc(2rem + 0.5rem);
}

/* Featured TillerPro Item - Mobile */
.mobile-nav__accordion-item--featured a {
  background: linear-gradient(135deg, var(--accent-500), var(--accent-600));
  color: #ffffff;
  font-weight: 600;
  margin: 0.25rem 0.5rem;
  border-radius: var(--radius-md);
  border-left: none;
  padding: 0.875rem 1.5rem;
  box-shadow: 0 2px 8px rgb(197 145 77 / 30%);
}

.mobile-nav__accordion-item--featured a:hover {
  background: linear-gradient(135deg, var(--accent-600), #976715);
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgb(197 145 77 / 40%);
  padding-left: 1.5rem;
}

.mobile-nav__cta {
  background: linear-gradient(135deg, var(--accent-500), var(--accent-600));
  color: #ffffff !important;
  margin: 1rem 1.5rem;
  border-radius: var(--radius-lg);
  text-align: center;
  font-weight: 700;
  box-shadow: var(--shadow-accent);
  border: none;
}

.mobile-nav__cta:hover {
  background: linear-gradient(135deg, var(--accent-600), #976715);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

@media (max-width: 768px) {
  .ts-header__container {
    padding: 0.75rem 1rem;
  }

  .ts-header__logo {
    width: 50px;
    height: 50px;
  }

  .ts-header__info {
    display: none;
  }

  .ts-header__actions {
    display: none;
  }

  .desktop-nav {
    display: none;
  }
}

@media (min-width: 2560px) {
  .ts-header__container {
    padding: 1.5rem 2rem;
  }

  .ts-header__logo {
    width: 80px;
    height: 80px;
  }

  .ts-header__company {
    font-size: var(--text-2xl);
  }
}