/* ============================================
   HEADER COMPONENT
   Fixed top bar with:
   - Green accent line
   - Logo + Event Info (left) | CTA + TH/EN + Menu (right)
   - Desktop nav bar (below, centered)
   - Mobile nav drawer
   ============================================ */

/* Header wrapper - fixed at top */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

/* Green accent line at very top */
.header__accent {
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

/* --- Single row: Logo+Info | Nav (center) | CTA+TH/EN+Menu --- */
.header__row-top {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 10px var(--space-lg);
}

/* --- Header Left: Logo + Event Info --- */
.header__left {
  order: 1;
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.header__logo-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.header__logo-img {
  height: 130px;
  width: auto;
}

/* Event info */
.header__event-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
  border-left: 2px solid var(--color-gray-200);
  padding-left: var(--space-md);
}

.header__event-date {
  font-size: 0.85rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
  line-height: 1.5;
  white-space: nowrap;
}

.header__event-time {
  font-size: 0.8rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-500);
  line-height: 1.4;
}

/* --- Header Right: CTA + Lang + Menu in one row --- */
.header__right {
  order: 3;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* Language switcher — pill toggle */
.header__lang {
  display: flex;
  align-items: center;
  gap: 0;
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  background: var(--color-gray-100);
  border-radius: 20px;
  padding: 3px;
}

.header__lang-link {
  color: var(--color-gray-500);
  padding: 6px 14px;
  border-radius: 18px;
  transition: all var(--transition-fast);
  letter-spacing: 0.5px;
}

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

.header__lang-link--active {
  color: var(--color-white);
  background: var(--color-primary);
  font-weight: var(--font-weight-bold);
  box-shadow: 0 2px 6px rgba(46, 125, 50, 0.3);
}

.header__lang-separator {
  display: none;
}

/* CTA button group */
.header__cta-group {
  display: flex;
  gap: var(--space-sm);
}

/* --- Desktop Navigation (flex center between left & right) --- */
.header__desktop-nav {
  order: 2;
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 0;
}

.header__desktop-nav-list {
  display: flex;
  gap: 0;
}

.header__desktop-nav-link {
  display: block;
  padding: 8px 10px;
  font-size: 0.78rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap;
}

.header__desktop-nav-link:hover {
  color: var(--color-primary);
  background-color: var(--color-gray-50);
}

.header__desktop-nav-link--active {
  color: var(--color-white);
  background-color: var(--color-gray-900);
  font-weight: var(--font-weight-semibold);
}

/* --- Hamburger Menu Toggle --- */
.header__menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.header__menu-toggle:hover {
  background-color: var(--color-gray-100);
}

/* Hamburger icon - 3 lines */
.header__menu-icon,
.header__menu-icon::before,
.header__menu-icon::after {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-gray-900);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.header__menu-icon {
  position: relative;
}

.header__menu-icon::before,
.header__menu-icon::after {
  content: '';
  position: absolute;
  left: 0;
}

.header__menu-icon::before {
  top: -6px;
}

.header__menu-icon::after {
  top: 6px;
}

/* Hamburger to X animation */
.header__menu-toggle[aria-expanded="true"] .header__menu-icon {
  background-color: transparent;
}

.header__menu-toggle[aria-expanded="true"] .header__menu-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.header__menu-toggle[aria-expanded="true"] .header__menu-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

/* --- Mobile Navigation Drawer --- */
.header__mobile-nav {
  display: none;
  flex-direction: column;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-gray-200);
  padding: var(--space-sm) var(--space-lg) var(--space-lg);
  box-shadow: var(--shadow-md);
}

.header__mobile-nav--open {
  display: flex;
}

.header__mobile-nav-list {
  display: flex;
  flex-direction: column;
}

.header__mobile-nav-link {
  display: block;
  padding: 14px 0;
  font-size: 0.95rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  border-bottom: 1px solid var(--color-gray-100);
  transition: color var(--transition-fast);
}

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

/* Mobile CTA buttons */
.header__mobile-cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

/* --- Header Spacer --- */
.header-spacer {
  height: calc(var(--header-height) + 3px);
  margin-bottom: 0;
}