/* ============================================
   Header & Navigation
   ============================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  height: 80px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-decoration: none;
  white-space: nowrap;
}

.logo:hover {
  color: var(--color-primary);
}

.logo img {
  height: 50px;
  width: auto;
}

/* Main Nav */
.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.nav__item {
  position: relative;
}

.nav__link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  transition: color var(--transition);
  white-space: nowrap;
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-primary);
}

/* Dropdown arrow */
.nav__link--has-dropdown::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  transition: transform var(--transition);
}

.nav__item:hover .nav__link--has-dropdown::after {
  transform: rotate(180deg);
}

/* Dropdown Menu */
.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
  padding: var(--spacing-sm) 0;
  z-index: 200;
}

.nav__item:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown__link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  transition: all var(--transition);
}

.dropdown__link:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

/* Header CTA */
.header__cta {
  margin-left: var(--spacing-md);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 30px;
  height: 30px;
  cursor: pointer;
  z-index: 300;
}

.menu-toggle__bar {
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  transition: all var(--transition);
  border-radius: 2px;
}

.menu-toggle.active .menu-toggle__bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active .menu-toggle__bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active .menu-toggle__bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}