/**
 * Industrial Energy Framework — Site Header
 */

.rpt-site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--rpt-surface-container-lowest);
  border-bottom: var(--rpt-border-light);
  overflow: visible;
  transition: box-shadow var(--rpt-transition-fast);
}

.rpt-site-header.site-header {
  overflow: visible;
}

.rpt-site-header.is-scrolled {
  box-shadow: var(--rpt-shadow-technical);
}

.rpt-site-header .rpt-container {
  overflow: visible;
}

.rpt-site-header__inner {
  display: flex;
  align-items: stretch;
  gap: var(--rpt-stack-md);
  min-height: 72px;
  overflow: visible;
}

.rpt-site-header__brand {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
}

/* Menu + search: grid 2 cột — search luôn có 48px riêng, không bị menu đè/cắt */
.rpt-site-header__menu-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 48px;
  align-items: stretch;
  column-gap: 8px;
  flex: 1 1 auto;
  min-width: 0;
  overflow: visible;
}

.rpt-site-header__nav-group {
  grid-column: 1;
  display: flex;
  align-items: stretch;
  justify-content: flex-end;
  gap: 8px;
  min-width: 0;
  overflow: visible;
}

.rpt-site-header__nav-group .rpt-site-header__nav--desktop {
  flex: 1 1 auto;
  min-width: 0;
}

.rpt-header-quote-cta {
  flex-shrink: 0;
  align-self: center;
  min-height: 36px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.01em;
  text-transform: none;
  white-space: nowrap;
  border-radius: var(--rpt-radius-full);
}

.rpt-site-header__logo img {
  display: block;
  max-height: 48px;
  width: auto;
}

.rpt-site-header__title {
  font-family: var(--rpt-font-heading);
  font-size: var(--rpt-headline-md-size);
  line-height: var(--rpt-headline-md-line);
  font-weight: var(--rpt-headline-md-weight);
  color: var(--rpt-on-surface);
  text-decoration: none;
}

.rpt-site-header__nav--desktop {
  grid-column: 1;
  min-width: 0;
  overflow: visible;
  display: flex;
  align-items: stretch;
}

.rpt-primary-nav,
.rpt-primary-nav .sub-menu,
.rpt-primary-nav .rpt-nav-dropdown__list {
  padding-left: 0;
}

.rpt-primary-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: flex-end;
  gap: 2px 8px;
  max-width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow: visible;
}

.rpt-primary-nav > .menu-item {
  position: relative;
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

/* Vùng đệm vô hình — giữ hover khi di chuột từ item cha xuống submenu */
.rpt-primary-nav > .menu-item-has-children::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 0;
  width: max(100%, 240px);
  height: 10px;
}

.rpt-primary-nav__link,
.rpt-primary-nav .rpt-primary-nav__link {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 6px 10px;
  font-family: var(--rpt-font-body);
  font-size: var(--rpt-body-md-size);
  font-weight: 500;
  line-height: var(--rpt-body-md-line);
  color: var(--rpt-on-surface);
  text-decoration: none;
  white-space: nowrap;
  border-radius: var(--rpt-radius-full);
  transition: color var(--rpt-transition-fast), background var(--rpt-transition-fast);
}

/* Hover + active — green pill */
.rpt-primary-nav > .menu-item:hover > .rpt-primary-nav__link,
.rpt-primary-nav > .menu-item > .rpt-primary-nav__link:focus-visible,
.rpt-primary-nav > .menu-item.current-menu-item > .rpt-primary-nav__link,
.rpt-primary-nav > .menu-item.current-menu-ancestor > .rpt-primary-nav__link,
.rpt-primary-nav > .menu-item-has-children:focus-within > .rpt-primary-nav__link {
  background: var(--rpt-electric-green);
  color: var(--rpt-on-primary);
}

/* Dropdown từ WordPress submenu (.sub-menu) */
.rpt-primary-nav > .menu-item-has-children > .sub-menu,
.rpt-primary-nav > .menu-item-has-children > .rpt-nav-dropdown__list {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: max(240px, 100%);
  margin: -1px 0 0;
  padding: 8px 0;
  list-style: none;
  background: var(--rpt-surface-container-lowest);
  border: var(--rpt-border-light);
  border-top: 0;
  border-radius: 0 0 var(--rpt-radius-default) var(--rpt-radius-default);
  box-shadow: var(--rpt-shadow-technical);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: none;
  transition:
    opacity var(--rpt-transition-fast),
    visibility var(--rpt-transition-fast);
  transition-delay: 0s;
  z-index: 200;
}

/* Trễ nhẹ khi rời hover — tránh submenu đóng quá nhanh */
.rpt-primary-nav > .menu-item-has-children:not(:hover):not(:focus-within) > .sub-menu,
.rpt-primary-nav > .menu-item-has-children:not(:hover):not(:focus-within) > .rpt-nav-dropdown__list {
  transition-delay: 120ms;
}

.rpt-primary-nav > .menu-item-has-children:hover > .sub-menu,
.rpt-primary-nav > .menu-item-has-children:focus-within > .sub-menu,
.rpt-primary-nav > .menu-item-has-children:hover > .rpt-nav-dropdown__list,
.rpt-primary-nav > .menu-item-has-children:focus-within > .rpt-nav-dropdown__list {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s;
}

.rpt-primary-nav > .menu-item-has-children > .sub-menu .menu-item,
.rpt-primary-nav > .menu-item-has-children > .rpt-nav-dropdown__list .menu-item {
  position: relative;
  width: 100%;
}

.rpt-nav-dropdown__link {
  display: block;
  padding: 10px 16px;
  font-family: var(--rpt-font-body);
  font-size: var(--rpt-body-md-size);
  line-height: var(--rpt-body-md-line);
  color: var(--rpt-on-surface);
  text-decoration: none;
  transition: background var(--rpt-transition-fast), color var(--rpt-transition-fast);
}

.rpt-nav-dropdown__link:hover,
.rpt-nav-dropdown__link:focus {
  background: var(--rpt-surface-neutral);
  color: var(--rpt-electric-green);
}

/* Search desktop — cột grid cố định 48px, hover mở sang trái */
.rpt-site-header__search.rpt-header-search--desktop {
  position: relative;
  z-index: 10;
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
  align-self: center;
  width: 48px;
  min-width: 48px;
  height: 44px;
  overflow: visible;
}

.rpt-site-header__menu-row:has(.rpt-header-search--desktop:hover),
.rpt-site-header__menu-row:has(.rpt-header-search--desktop:focus-within),
.rpt-site-header__menu-row:has(.rpt-header-search--desktop.is-expanded) {
  grid-template-columns: minmax(0, 1fr) 200px;
}

.rpt-site-header__search.rpt-header-search--desktop:hover,
.rpt-site-header__search.rpt-header-search--desktop:focus-within,
.rpt-site-header__search.rpt-header-search--desktop.is-expanded {
  z-index: 20;
  width: 200px;
  min-width: 200px;
}

.rpt-site-header__mobile-actions {
  flex: 0 0 auto;
  margin-left: auto;
}

.rpt-header-search--desktop .rpt-header-search__form {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 48px;
  height: 44px;
  margin: 0;
  padding: 0;
  border: 1px solid transparent;
  border-radius: var(--rpt-radius-full);
  background: var(--rpt-surface-container-lowest);
  overflow: visible;
  transition: width var(--rpt-transition-normal), padding var(--rpt-transition-normal), border-color var(--rpt-transition-fast);
}

/* Thu gọn — chỉ icon kính lúp */
.rpt-header-search--desktop:not(:hover):not(:focus-within):not(.is-expanded) .rpt-header-search__form {
  justify-content: center;
  width: 48px;
  padding: 0;
  border-color: transparent;
}

.rpt-header-search--desktop:hover .rpt-header-search__form,
.rpt-header-search--desktop:focus-within .rpt-header-search__form,
.rpt-header-search--desktop.is-expanded .rpt-header-search__form {
  justify-content: flex-start;
  width: 100%;
  padding: 0 14px;
  border-color: var(--rpt-electric-green);
  overflow: hidden;
  box-shadow: var(--rpt-shadow-technical);
}

/* Ghi đè style button/input mặc định của GeneratePress */
.rpt-site-header .rpt-header-search__form input[type="search"] {
  border: 0;
  border-radius: 0;
  padding: 0;
  max-width: none;
  background: transparent;
  box-shadow: none;
  -webkit-appearance: none;
  appearance: none;
}

.rpt-header-search__input {
  flex: 1 1 auto;
  width: 100%;
  min-width: 0;
  height: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  font-family: var(--rpt-font-body);
  font-size: var(--rpt-body-md-size);
  color: var(--rpt-on-surface);
}

.rpt-header-search--desktop:not(:hover):not(:focus-within):not(.is-expanded) .rpt-header-search__input {
  display: none;
}

.rpt-header-search--desktop:hover .rpt-header-search__input,
.rpt-header-search--desktop:focus-within .rpt-header-search__input,
.rpt-header-search--desktop.is-expanded .rpt-header-search__input {
  display: block;
  flex: 1 1 auto;
  opacity: 1;
  pointer-events: auto;
}

.rpt-header-search__input::placeholder {
  color: var(--rpt-on-surface-variant);
}

.rpt-header-search__input:focus {
  outline: none;
}

.rpt-site-header .rpt-header-search__form button.rpt-header-search__submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  min-height: 20px;
  padding: 0;
  margin: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--rpt-on-surface);
  cursor: pointer;
  box-shadow: none;
  -webkit-appearance: none;
  appearance: none;
  transition: color var(--rpt-transition-fast);
}

.rpt-site-header .rpt-header-search__form button.rpt-header-search__submit:hover,
.rpt-site-header .rpt-header-search__form button.rpt-header-search__submit:focus,
.rpt-site-header .rpt-header-search__form button.rpt-header-search__submit:active {
  background: transparent;
  border: 0;
  box-shadow: none;
}

.rpt-header-search--desktop:hover .rpt-header-search__form button.rpt-header-search__submit,
.rpt-header-search--desktop:focus-within .rpt-header-search__form button.rpt-header-search__submit,
.rpt-header-search--desktop.is-expanded .rpt-header-search__form button.rpt-header-search__submit {
  background: transparent;
  color: var(--rpt-electric-green);
}

.rpt-header-search__submit .rpt-icon-search {
  display: block;
  width: 20px;
  height: 20px;
}

/* Mobile header controls */
.rpt-site-header__mobile-actions {
  display: none;
  align-items: center;
  gap: 4px;
}

.rpt-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  min-width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: var(--rpt-radius-default);
  background: transparent;
  color: var(--rpt-on-surface);
  cursor: pointer;
  transition: background var(--rpt-transition-fast), color var(--rpt-transition-fast);
}

.rpt-icon-btn:hover,
.rpt-icon-btn:focus {
  background: var(--rpt-surface-container-low);
  color: var(--rpt-power-blue);
}

/* Search overlay (mobile) */
.rpt-search-overlay {
  position: fixed;
  inset: 0;
  z-index: 1100;
}

.rpt-search-overlay[hidden] {
  display: none;
}

.rpt-search-overlay__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 8, 19, 0.82);
}

.rpt-search-overlay__panel {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  min-height: 100%;
  padding: 72px var(--rpt-container-margin) var(--rpt-stack-lg);
}

.rpt-search-overlay__close {
  position: absolute;
  top: 16px;
  right: var(--rpt-container-margin);
  color: var(--rpt-inverse-on-surface);
}

.rpt-header-search--mobile {
  width: 100%;
  max-width: 640px;
}

.rpt-header-search--mobile .rpt-header-search__form {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  border-bottom: 2px solid rgba(255, 255, 255, 0.85);
  padding-bottom: 8px;
}

.rpt-header-search--mobile .rpt-header-search__input {
  flex: 1;
  width: 100%;
  min-height: 48px;
  padding: 8px 0;
  border: 0;
  background: transparent;
  opacity: 1;
  font-family: var(--rpt-font-body);
  font-size: var(--rpt-body-lg-size);
  color: var(--rpt-inverse-on-surface);
}

.rpt-header-search--mobile .rpt-header-search__input::placeholder {
  color: rgba(255, 255, 255, 0.65);
}

.rpt-header-search--mobile .rpt-header-search__input:focus {
  outline: none;
}

.rpt-header-search--mobile .rpt-header-search__submit {
  color: var(--rpt-inverse-on-surface);
}

/* Mobile menu */
.rpt-mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 1100;
}

.rpt-mobile-menu[hidden] {
  display: none;
}

.rpt-mobile-menu__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 8, 19, 0.45);
}

.rpt-mobile-menu__panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(100%, 360px);
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--rpt-surface-container-lowest);
  box-shadow: var(--rpt-shadow-technical);
}

.rpt-mobile-menu__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
  padding: 0 var(--rpt-stack-md);
  border-bottom: var(--rpt-border-light);
}

.rpt-mobile-menu__title {
  font-family: var(--rpt-font-heading);
  font-size: var(--rpt-body-lg-size);
  font-weight: var(--rpt-headline-md-weight);
  color: var(--rpt-on-surface);
}

.rpt-mobile-menu__nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--rpt-stack-md);
}

.rpt-mobile-menu__cta {
  flex-shrink: 0;
  padding: var(--rpt-stack-md);
  border-top: var(--rpt-border-light);
  background: var(--rpt-surface-container-lowest);
}

.rpt-mobile-menu__cta .rpt-mobile-menu__quote-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 44px;
  margin: 0;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  text-transform: none;
  letter-spacing: 0.01em;
  white-space: normal;
  border-radius: var(--rpt-radius-full);
}

.rpt-mobile-nav {
  margin: 0;
  padding: 0;
  list-style: none;
}

.rpt-mobile-nav > .rpt-mobile-nav__item + .rpt-mobile-nav__item {
  margin-top: 4px;
}

.rpt-mobile-nav__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 48px;
  padding: 12px 8px;
  font-family: var(--rpt-font-body);
  font-size: var(--rpt-body-lg-size);
  line-height: var(--rpt-body-lg-line);
  color: var(--rpt-on-surface);
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}

/* Ghi đè style button mặc định của GeneratePress */
.rpt-mobile-menu .rpt-mobile-nav__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--rpt-stack-md);
  width: 100%;
  min-height: 48px;
  margin: 0;
  padding: 12px 8px;
  border: 0;
  border-radius: var(--rpt-radius-default);
  background: transparent;
  font-family: var(--rpt-font-body);
  font-size: var(--rpt-body-lg-size);
  line-height: var(--rpt-body-lg-line);
  color: var(--rpt-on-surface);
  text-align: left;
  cursor: pointer;
  box-shadow: none;
  -webkit-appearance: none;
  appearance: none;
  transition: background var(--rpt-transition-fast), color var(--rpt-transition-fast);
}

.rpt-mobile-menu .rpt-mobile-nav__toggle:hover,
.rpt-mobile-menu .rpt-mobile-nav__toggle:focus,
.rpt-mobile-menu .rpt-mobile-nav__toggle:active {
  background: var(--rpt-surface-container-low);
  border: 0;
  box-shadow: none;
  color: var(--rpt-on-surface);
}

.rpt-mobile-menu .rpt-mobile-nav__toggle[aria-expanded="true"] {
  background: var(--rpt-surface-container-low);
  color: var(--rpt-electric-green);
  font-weight: 600;
}

.rpt-mobile-nav__item.current-menu-item > .rpt-mobile-nav__link {
  color: var(--rpt-electric-green);
  font-weight: 600;
}

.rpt-mobile-nav__chevron {
  flex: 0 0 10px;
  width: 10px;
  height: 10px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform var(--rpt-transition-fast);
}

.rpt-mobile-nav__toggle[aria-expanded="true"] .rpt-mobile-nav__chevron {
  transform: rotate(-135deg);
}

.rpt-mobile-nav__sub {
  padding-left: var(--rpt-stack-md);
}

.rpt-mobile-nav__sub-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.rpt-mobile-nav__sub-link {
  display: block;
  padding: 10px 8px;
  font-family: var(--rpt-font-body);
  font-size: var(--rpt-body-md-size);
  color: var(--rpt-on-surface-variant);
  text-decoration: none;
}

.rpt-mobile-nav__sub-link:hover,
.rpt-mobile-nav__sub-link:focus {
  color: var(--rpt-electric-green);
}

body.rpt-scroll-lock {
  overflow: hidden;
}

html.rpt-scroll-lock,
body.rpt-scroll-lock {
  overscroll-behavior: none;
}

body.rpt-scroll-lock {
  position: fixed;
  width: 100%;
  touch-action: none;
}

@media (max-width: 1280px) {
  .rpt-primary-nav__link {
    padding: 6px 8px;
    font-size: var(--rpt-label-bold-size);
  }
}

@media (max-width: 991px) {
  .rpt-site-header__inner {
    align-items: center;
    justify-content: space-between;
    min-height: 60px;
  }

  .rpt-site-header__menu-row {
    display: none;
  }

  .rpt-site-header__mobile-actions {
    display: flex;
  }
}

@media (min-width: 992px) {
  .rpt-search-overlay,
  .rpt-mobile-menu {
    display: none !important;
  }
}