/* Header styles - Navigation and mobile menu */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  z-index: var(--z-fixed);
  transition: transform var(--transition-normal);
}

.header__container {
  max-width: 2560px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* Desktop Navigation */
.header__nav {
  display: flex;
  align-items: center;
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: 34px;
}

.header__nav-link {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  line-height: 1.22;
  transition: color var(--transition-fast);
  position: relative;
}

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

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-fast);
}

.header__nav-link:hover::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.header__mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  position: absolute;
  right: var(--container-padding);
  top: 50%;
  transform: translateY(-50%);
  z-index: var(--z-modal);
}

.header__mobile-toggle-line {
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  transition: all var(--transition-normal);
  transform-origin: center;
}

/* Mobile menu toggle animation */
.header__mobile-toggle.active .header__mobile-toggle-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.header__mobile-toggle.active .header__mobile-toggle-line:nth-child(2) {
  opacity: 0;
}

.header__mobile-toggle.active .header__mobile-toggle-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Menu */
.header__mobile-menu {
  position: fixed;
  top: 50px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-white);
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  z-index: var(--z-modal-backdrop);
  padding: var(--spacing-xl) var(--container-padding);
}

.header__mobile-menu.active {
  transform: translateX(0);
}

.header__mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.header__mobile-nav-link {
  color: var(--color-text-light);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  transition: color var(--transition-fast);
}

.header__mobile-nav-link:hover {
  color: var(--color-primary);
}

/* Header scroll behavior */
.header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
}

/* Offset for fixed header */
body {
  padding-top: 50px;
}