/**
 * =============================================================================
 * SECTION HEADER & MOBILE DRAWER (css/sections/header.css)
 * =============================================================================
 */

/* --------------------------------------------------------------------------
   5. SECTION 1: Header Putih Sticky
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 68px;
}

.header-brand {
  display: flex;
  align-items: center;
  min-height: var(--min-touch-target);
}

.header-logo-picture {
  display: inline-flex;
  align-items: center;
}

.header-logo-img {
  height: 40px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  display: block;
}

.header-brand-text {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-text-main);
}

.header-nav-desktop {
  display: none;
}

.header-nav-list {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-text-main);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.nav-link:hover {
  color: var(--brand-text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-header-action {
  display: none;
}

.header-hamburger-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-text-main);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface-alt);
}

@media (min-width: 900px) {
  .header-inner {
    height: 76px;
  }
  .header-nav-desktop {
    display: block;
  }
  .btn-header-action {
    display: inline-flex;
  }
  .header-hamburger-btn {
    display: none;
  }
}

@media (max-width: 480px) {
  .header-logo-img {
    height: 32px;
  }
  .header-brand-text {
    font-size: 0.95rem;
  }
}

/* Mobile Menu Fullscreen Drawer */
.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  background-color: var(--color-surface);
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity var(--transition-normal), visibility var(--transition-normal), transform var(--transition-normal);
  padding: 24px;
}

.mobile-menu-overlay.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-menu-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu-brand-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-text-main);
}

.mobile-menu-close-btn {
  font-size: 2rem;
  line-height: 1;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-main);
  border-radius: 50%;
  background-color: var(--color-surface-alt);
}

.mobile-menu-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.mobile-nav-link {
  font-size: 1.25rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-text-main);
  letter-spacing: 0.5px;
  display: block;
  padding: 6px 0;
}

.mobile-menu-actions {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}