/**
 * Shalom Hospital Theme — Header & Navigation
 * FILE: header.css
 */

/* ============================================================
   EMERGENCY BANNER
============================================================ */
.sh-emergency-banner {
  background: var(--sh-gradient-primary);
  color: var(--sh-white);
  text-align: center;
  padding: 0.5625rem 1.5rem;
  font-size: 0.8125rem;
  line-height: 1.4;
  position: relative;
  z-index: calc(var(--sh-z-header) + 5);
}

.sh-emergency-banner__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.sh-emergency-banner__icon {
  font-size: 0.875rem;
  animation: sh-pulse 1.5s ease-in-out infinite;
}

.sh-emergency-banner__text {
  opacity: 0.95;
}

.sh-emergency-banner__phone {
  color: var(--sh-white);
  font-weight: var(--sh-font-bold);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.sh-emergency-banner__phone:hover {
  text-decoration: underline;
  color: var(--sh-accent-200);
}

.sh-emergency-banner__dismiss {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  font-size: 1.125rem;
  line-height: 1;
  transition: color var(--sh-transition-fast), background-color var(--sh-transition-fast);
  padding: 0;
}

.sh-emergency-banner__dismiss:hover {
  color: var(--sh-white);
  background-color: rgba(255, 255, 255, 0.15);
}

.sh-emergency-banner.is-dismissed {
  display: none;
}

/* ============================================================
   HEADER
============================================================ */
.sh-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--sh-z-header);
  transition: background-color var(--sh-transition-base), box-shadow var(--sh-transition-base), backdrop-filter var(--sh-transition-base);
  background-color: transparent;
}

.sh-header.has-emergency-banner {
  top: auto;
}

.sh-header.scrolled {
  background-color: rgba(255, 255, 255, 0.97);
  box-shadow: 0 1px 0 0 var(--sh-gray-200), var(--sh-shadow-md);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.sh-header.transparent {
  background-color: transparent;
  box-shadow: none;
}

.sh-header.sh-header--dark:not(.scrolled) {
  background-color: rgba(10, 15, 30, 0.3);
}

.sh-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--sh-header-height);
  gap: 2rem;
}

/* ============================================================
   LOGO
============================================================ */
.sh-header__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
}

.sh-header__logo:hover {
  text-decoration: none;
  opacity: 0.9;
}

.sh-header__logo img {
  max-height: 3rem;
  width: auto;
  display: block;
}

.sh-header__logo-text {
  display: flex;
  flex-direction: column;
}

.sh-header__site-title {
  font-family: var(--sh-font-heading);
  font-weight: var(--sh-font-extrabold);
  font-size: 1.375rem;
  color: var(--sh-primary);
  line-height: 1.1;
  margin: 0;
}

.sh-header.transparent:not(.scrolled) .sh-header__site-title {
  color: var(--sh-white);
}

.sh-header__tagline {
  font-size: 0.6875rem;
  color: var(--sh-muted);
  font-weight: var(--sh-font-medium);
  letter-spacing: 0.03em;
  line-height: 1;
  margin-top: 0.125rem;
}

.sh-header.transparent:not(.scrolled) .sh-header__tagline {
  color: rgba(255, 255, 255, 0.65);
}

/* ============================================================
   DESKTOP NAVIGATION
============================================================ */
.sh-nav {
  display: none;
  flex: 1;
}

@media (min-width: 1024px) {
  .sh-nav {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

.sh-nav__list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.sh-nav__item {
  position: relative;
}

.sh-nav__link {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-family: var(--sh-font-heading);
  font-weight: var(--sh-font-medium);
  font-size: 0.9375rem;
  color: var(--sh-text);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: var(--sh-radius-sm);
  transition: color var(--sh-transition-fast), background-color var(--sh-transition-fast);
  position: relative;
  white-space: nowrap;
}

.sh-nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0.75rem;
  right: 0.75rem;
  height: 2px;
  background-color: var(--sh-primary);
  border-radius: var(--sh-radius-full);
  transform: scaleX(0);
  transition: transform var(--sh-transition-fast);
  transform-origin: left center;
}

.sh-nav__link:hover {
  color: var(--sh-primary);
  background-color: var(--sh-primary-50);
  text-decoration: none;
}

.sh-nav__link:hover::after {
  transform: scaleX(1);
}

.sh-nav__item.current-menu-item > .sh-nav__link,
.sh-nav__item.current-menu-ancestor > .sh-nav__link,
.sh-nav__link.is-active {
  color: var(--sh-primary);
  font-weight: var(--sh-font-semibold);
}

.sh-nav__item.current-menu-item > .sh-nav__link::after,
.sh-nav__link.is-active::after {
  transform: scaleX(1);
}

/* Transparent header nav links */
.sh-header.transparent:not(.scrolled) .sh-nav__link {
  color: rgba(255, 255, 255, 0.9);
}

.sh-header.transparent:not(.scrolled) .sh-nav__link:hover {
  color: var(--sh-white);
  background-color: rgba(255, 255, 255, 0.1);
}

.sh-header.transparent:not(.scrolled) .sh-nav__item.current-menu-item > .sh-nav__link {
  color: var(--sh-white);
}

.sh-header.transparent:not(.scrolled) .sh-nav__link::after {
  background-color: var(--sh-white);
}

/* Dropdown toggle chevron */
.sh-nav__toggle-btn {
  display: inline-flex;
  align-items: center;
  margin-left: 0.125rem;
  transition: transform var(--sh-transition-fast);
  color: inherit;
}

.sh-nav__item:hover .sh-nav__toggle-btn,
.sh-nav__item.is-open .sh-nav__toggle-btn {
  transform: rotate(180deg);
}

/* ============================================================
   DROPDOWN MENU
============================================================ */
.sh-nav__dropdown {
  position: absolute;
  top: calc(100% + 0.75rem);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background-color: var(--sh-white);
  border-radius: var(--sh-radius-lg);
  box-shadow: 0 20px 60px -10px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0,0,0,0.05);
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--sh-transition-base), visibility var(--sh-transition-base), transform var(--sh-transition-base);
  z-index: var(--sh-z-raised);
  padding: 0.5rem;
  list-style: none;
  margin: 0;
}

.sh-nav__dropdown::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  background-color: var(--sh-white);
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
}

.sh-nav__item:hover > .sh-nav__dropdown,
.sh-nav__item.is-open > .sh-nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* Align left for last items to prevent overflow */
.sh-nav__item:last-child .sh-nav__dropdown,
.sh-nav__item:nth-last-child(2) .sh-nav__dropdown {
  left: auto;
  right: 0;
  transform: translateY(-8px);
}

.sh-nav__item:last-child .sh-nav__dropdown::before,
.sh-nav__item:nth-last-child(2) .sh-nav__dropdown::before {
  left: auto;
  right: 2rem;
  transform: none;
}

.sh-nav__item:last-child:hover > .sh-nav__dropdown,
.sh-nav__item:last-child.is-open > .sh-nav__dropdown,
.sh-nav__item:nth-last-child(2):hover > .sh-nav__dropdown,
.sh-nav__item:nth-last-child(2).is-open > .sh-nav__dropdown {
  transform: translateY(0);
}

.sh-nav__dropdown li {
  border-radius: var(--sh-radius-md);
  overflow: hidden;
}

.sh-nav__dropdown a {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.625rem 1rem;
  font-size: var(--sh-text-sm);
  font-family: var(--sh-font-heading);
  font-weight: var(--sh-font-medium);
  color: var(--sh-gray-700);
  text-decoration: none;
  border-radius: var(--sh-radius-md);
  transition: color var(--sh-transition-fast), background-color var(--sh-transition-fast);
  white-space: nowrap;
}

.sh-nav__dropdown a:hover {
  background-color: var(--sh-primary-50);
  color: var(--sh-primary);
  text-decoration: none;
}

.sh-nav__dropdown a .sh-nav__dropdown-icon {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: var(--sh-radius-sm);
  background-color: var(--sh-primary-50);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sh-primary);
  font-size: 0.875rem;
  flex-shrink: 0;
}

.sh-nav__dropdown li.current-menu-item a {
  color: var(--sh-primary);
  background-color: var(--sh-primary-50);
}

/* ============================================================
   HEADER ACTIONS
============================================================ */
.sh-header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.sh-header__search-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--sh-radius-md);
  color: var(--sh-gray-600);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--sh-transition-fast), background-color var(--sh-transition-fast);
}

@media (min-width: 1024px) {
  .sh-header__search-btn {
    display: inline-flex;
  }
}

.sh-header__search-btn:hover {
  color: var(--sh-primary);
  background-color: var(--sh-primary-50);
}

.sh-header.transparent:not(.scrolled) .sh-header__search-btn {
  color: rgba(255, 255, 255, 0.8);
}

.sh-header.transparent:not(.scrolled) .sh-header__search-btn:hover {
  color: var(--sh-white);
  background-color: rgba(255, 255, 255, 0.12);
}

/* Appointment CTA — hidden on mobile, shown desktop */
.sh-header__cta {
  display: none;
}

@media (min-width: 1024px) {
  .sh-header__cta {
    display: inline-flex;
  }
}

/* Phone in header */
.sh-header__phone {
  display: none;
  align-items: center;
  gap: 0.5rem;
  color: var(--sh-text);
  font-family: var(--sh-font-heading);
  font-weight: var(--sh-font-semibold);
  font-size: var(--sh-text-sm);
  text-decoration: none;
  transition: color var(--sh-transition-fast);
}

@media (min-width: 1024px) {
  .sh-header__phone {
    display: flex;
  }
}

.sh-header__phone:hover {
  color: var(--sh-primary);
  text-decoration: none;
}

.sh-header.transparent:not(.scrolled) .sh-header__phone {
  color: rgba(255, 255, 255, 0.9);
}

/* ============================================================
   HAMBURGER BUTTON
============================================================ */
.sh-hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--sh-radius-md);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  transition: background-color var(--sh-transition-fast);
  flex-shrink: 0;
}

.sh-hamburger:hover {
  background-color: var(--sh-primary-50);
}

.sh-header.transparent:not(.scrolled) .sh-hamburger:hover {
  background-color: rgba(255, 255, 255, 0.12);
}

.sh-hamburger__line {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--sh-text);
  border-radius: 2px;
  transition: transform var(--sh-transition-base), opacity var(--sh-transition-base), width var(--sh-transition-base);
  transform-origin: center;
}

.sh-header.transparent:not(.scrolled) .sh-hamburger__line {
  background-color: var(--sh-white);
}

.sh-hamburger.is-open .sh-hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.sh-hamburger.is-open .sh-hamburger__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.sh-hamburger.is-open .sh-hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 1024px) {
  .sh-hamburger {
    display: none;
  }
}

/* ============================================================
   MOBILE MENU
============================================================ */
.sh-mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: min(100%, 380px);
  height: 100%;
  background-color: var(--sh-white);
  z-index: calc(var(--sh-z-header) + 50);
  transform: translateX(-100%);
  transition: transform var(--sh-transition-slow);
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--sh-shadow-2xl);
}

.sh-mobile-menu.is-open {
  transform: translateX(0);
}

.sh-mobile-menu__backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(10, 15, 30, 0.55);
  z-index: calc(var(--sh-z-header) + 45);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--sh-transition-slow), visibility var(--sh-transition-slow);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.sh-mobile-menu__backdrop.is-visible {
  opacity: 1;
  visibility: visible;
}

.sh-mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--sh-gray-100);
  flex-shrink: 0;
}

.sh-mobile-menu__logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
}

.sh-mobile-menu__logo img {
  max-height: 2.25rem;
  width: auto;
}

.sh-mobile-menu__logo-title {
  font-family: var(--sh-font-heading);
  font-weight: var(--sh-font-bold);
  font-size: 1.125rem;
  color: var(--sh-primary);
  line-height: 1;
  margin: 0;
}

.sh-mobile-menu__close {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background-color: var(--sh-gray-100);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sh-gray-500);
  transition: background-color var(--sh-transition-fast), color var(--sh-transition-fast);
}

.sh-mobile-menu__close:hover {
  background-color: var(--sh-error-50);
  color: var(--sh-error);
}

/* Mobile nav */
.sh-mobile-menu__nav {
  padding: 1rem 0;
  flex: 1;
}

.sh-mobile-menu__nav .sh-nav__list {
  flex-direction: column;
  gap: 0;
  padding: 0 1rem;
  align-items: stretch;
}

.sh-mobile-menu__nav .sh-nav__item {
  border-bottom: 1px solid var(--sh-gray-100);
}

.sh-mobile-menu__nav .sh-nav__item:first-child {
  border-top: 1px solid var(--sh-gray-100);
}

.sh-mobile-menu__nav .sh-nav__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9375rem 0.5rem;
  font-size: 1.0625rem;
  border-radius: 0;
  color: var(--sh-text);
}

.sh-mobile-menu__nav .sh-nav__link::after {
  display: none;
}

.sh-mobile-menu__nav .sh-nav__link:hover {
  background-color: var(--sh-primary-50);
  color: var(--sh-primary);
  border-radius: var(--sh-radius-md);
}

.sh-mobile-menu__nav .sh-nav__item.current-menu-item > .sh-nav__link {
  color: var(--sh-primary);
  font-weight: var(--sh-font-semibold);
}

/* Mobile dropdown */
.sh-mobile-menu__nav .sh-nav__dropdown {
  position: static;
  opacity: 1;
  visibility: visible;
  transform: none;
  box-shadow: none;
  border-radius: 0;
  background-color: var(--sh-gray-50);
  padding: 0.25rem 0;
  display: none;
  min-width: auto;
}

.sh-mobile-menu__nav .sh-nav__dropdown::before {
  display: none;
}

.sh-mobile-menu__nav .sh-nav__item.is-open > .sh-nav__dropdown {
  display: block;
}

.sh-mobile-menu__nav .sh-nav__toggle-btn {
  padding: 0.25rem;
}

.sh-mobile-menu__nav .sh-nav__dropdown a {
  padding: 0.625rem 1rem 0.625rem 1.5rem;
  font-size: var(--sh-text-sm);
  color: var(--sh-gray-600);
  border-radius: 0;
  white-space: normal;
}

.sh-mobile-menu__nav .sh-nav__dropdown a:hover {
  background-color: var(--sh-primary-50);
  color: var(--sh-primary);
}

/* Mobile menu footer */
.sh-mobile-menu__footer {
  padding: 1.5rem;
  background-color: var(--sh-primary-50);
  border-top: 1px solid var(--sh-primary-100);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.sh-mobile-menu__phone {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--sh-text);
  text-decoration: none;
  font-family: var(--sh-font-heading);
  font-weight: var(--sh-font-semibold);
  font-size: var(--sh-text-base);
  padding: 0.625rem 0;
}

.sh-mobile-menu__phone:hover {
  color: var(--sh-primary);
  text-decoration: none;
}

.sh-mobile-menu__phone-icon {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--sh-gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sh-white);
  flex-shrink: 0;
}

/* ============================================================
   MEGA MENU (optional wide dropdown)
============================================================ */
.sh-nav__mega {
  position: fixed;
  left: 0;
  right: 0;
  top: var(--sh-header-height);
  background: var(--sh-white);
  box-shadow: 0 20px 60px -10px rgba(0,0,0,0.15);
  border-top: 1px solid var(--sh-gray-100);
  padding: 2rem 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--sh-transition-base), visibility var(--sh-transition-base);
  z-index: var(--sh-z-raised);
}

.sh-nav__item:hover > .sh-nav__mega,
.sh-nav__item.is-open > .sh-nav__mega {
  opacity: 1;
  visibility: visible;
}

.sh-nav__mega-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.sh-nav__mega-col-title {
  font-family: var(--sh-font-heading);
  font-weight: var(--sh-font-semibold);
  font-size: var(--sh-text-sm);
  text-transform: uppercase;
  letter-spacing: var(--sh-tracking-wider);
  color: var(--sh-primary);
  margin-bottom: 0.875rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--sh-gray-100);
}

.sh-nav__mega-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.sh-nav__mega-list a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.5rem;
  font-size: var(--sh-text-sm);
  color: var(--sh-gray-600);
  border-radius: var(--sh-radius-sm);
  text-decoration: none;
  transition: color var(--sh-transition-fast), background-color var(--sh-transition-fast);
}

.sh-nav__mega-list a:hover {
  color: var(--sh-primary);
  background-color: var(--sh-primary-50);
  text-decoration: none;
}