/* ============================================================
   SD SUSTER THEME — HEADER & NAVIGATION
   header.css
   ============================================================ */

/* --- Site Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all var(--transition-slow);
}

/* Offset header when WP Admin Bar is present (logged-in users) */
.admin-bar .site-header {
  top: 32px;
}

@media screen and (max-width: 782px) {
  .admin-bar .site-header {
    top: 46px; /* Admin bar is taller on mobile */
  }
}

/* Transparent state (on hero) */
.site-header--transparent {
  background: transparent;
  padding-block: var(--space-4);
}

/* Scrolled state */
.site-header--scrolled {
  background: rgba(18, 55, 42, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 4px 30px rgba(0,0,0,0.15);
  padding-block: var(--space-2);
}

/* --- Header Inner Layout --- */
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

/* --- Logo --- */
.site-header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.site-header__logo-icon {
  width: 52px;
  height: 52px;
  background: var(--color-white);
  border: 2px solid rgba(255,255,255,0.75);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.18);
  transition: transform var(--transition-base);
  overflow: hidden;
}

.site-header__logo-icon:hover {
  transform: rotate(-5deg) scale(1.05);
}

.site-header__logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.site-header__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.site-header__logo-name {
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.01em;
}

.site-header__logo-sub {
  font-size: var(--text-xs);
  font-weight: 500;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* --- Desktop Navigation --- */
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.site-nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.site-nav__item {
  position: relative;
}

.site-nav__link {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.site-nav__link:hover,
.site-nav__item.current-menu-item .site-nav__link {
  color: var(--color-white);
  background: rgba(255,255,255,0.12);
}

/* ─── Dropdown Level 1 (sub-menu) ─────────────────── */

/*
 * Trigger: CSS fallback via :hover (JS adds .is-hovered for delay control)
 * Both selectors keep dropdown open — :hover for no-JS, .is-hovered for JS.
 */
.site-nav__item:hover > .site-nav__dropdown,
.site-nav__item.is-hovered > .site-nav__dropdown {
  opacity: 1;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}

.site-nav__dropdown {
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 220px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  padding: var(--space-2);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
  z-index: 100;
}

/*
 * Bridge: pseudo-element menutupi celah (gap) antara nav-item dan dropdown.
 * Saat kursor melintas celah, pointer tetap di atas bridge sehingga
 * .site-nav__item tidak kehilangan :hover state.
 */
.site-nav__dropdown::before {
  content: '';
  position: absolute;
  bottom: 100%;        /* tepat di atas dropdown */
  left:  -16px;
  right: -16px;
  height: calc(var(--space-2) + 6px); /* sama dengan gap + buffer */
}

/* Dropdown item wrapper */
.site-nav__dropdown-item {
  position: relative;
}

.site-nav__dropdown-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.site-nav__dropdown-link:hover {
  background: var(--color-surface-2);
  color: var(--color-royal);
  padding-left: var(--space-4);
}

/* Arrow indicator for items with children */
.site-nav__dropdown-item:has(.site-nav__dropdown--sub) > .site-nav__dropdown-link::after {
  content: '›';
  font-size: 1rem;
  line-height: 1;
  color: var(--color-text-light);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.site-nav__dropdown-item:hover > .site-nav__dropdown-link::after {
  transform: translateX(2px);
  color: var(--color-royal);
}

/* Separator line */
.site-nav__dropdown-separator {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-1) var(--space-2);
}

/* ─── Dropdown Level 2 (sub-sub-menu) ─────────────── */
.site-nav__dropdown--sub {
  position: absolute;
  top: -4px; /* sedikit overlap agar terasa menyambung */
  left: calc(100% + var(--space-1));
  transform: translateX(6px);
  min-width: 230px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  padding: var(--space-2);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
  z-index: 101;
}

.site-nav__dropdown-item:hover > .site-nav__dropdown--sub,
.site-nav__dropdown-item.is-hovered > .site-nav__dropdown--sub {
  opacity: 1;
  pointer-events: all;
  transform: translateX(0);
}

/*
 * Bridge horizontal: menutupi celah antara dropdown-item dan sub-dropdown.
 * Pointer tetap di atas bridge saat berpindah ke kanan ke sub-menu.
 */
.site-nav__dropdown--sub::before {
  content: '';
  position: absolute;
  top:    -8px;
  bottom: -8px;
  right: 100%;
  width: calc(var(--space-1) + 8px); /* sama dengan gap + buffer */
}

.site-nav__dropdown--sub .site-nav__dropdown-link {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.site-nav__dropdown--sub .site-nav__dropdown-link:hover {
  color: var(--color-royal);
  background: var(--color-surface-2);
  padding-left: var(--space-4);
}

/* --- CTA Button in Nav --- */
.site-nav__cta {
  margin-left: var(--space-3);
}

/* --- Mobile Hamburger --- */
.site-header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.10);
  cursor: pointer;
  transition: background var(--transition-base);
  border: none;
}

.site-header__hamburger:hover {
  background: rgba(255,255,255,0.18);
}

.hamburger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-white);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  transform-origin: center;
}

/* Hamburger active state (X) */
.site-header__hamburger.is-active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.site-header__hamburger.is-active .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.site-header__hamburger.is-active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Mobile Navigation Drawer --- */
.site-nav--mobile {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(26,46,90,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.site-nav--mobile.is-open {
  opacity: 1;
  pointer-events: all;
}

.site-nav--mobile .site-nav__menu {
  flex-direction: column;
  gap: var(--space-2);
  text-align: center;
}

.site-nav--mobile .site-nav__link {
  font-size: var(--text-2xl);
  font-weight: 700;
  padding: var(--space-3) var(--space-6);
  color: rgba(255,255,255,0.9);
}

.site-nav--mobile .site-nav__link:hover {
  color: var(--color-gold);
  background: transparent;
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .site-nav { display: none; }
  .site-header__hamburger { display: flex; }
  .site-nav--mobile { display: flex; }
}