.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  width: 100%;
  max-width: 100vw;
  box-sizing: border-box;
  z-index: 100;
  padding: var(--space-4) var(--section-px);
  display: flex;
  align-items: center;
  transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease, top 0.3s ease;
  /* Updated to Primary Dark Background */
  background: var(--color-primary-dark);
  backdrop-filter: blur(12px);
  box-shadow: none;
}

/* Transparent on home page initially */
body.home .site-header:not(.scrolled),
body.front-page .site-header:not(.scrolled) {
  background: transparent;
  backdrop-filter: none;
  box-shadow: none;
}

body.home .site-header:not(.scrolled) .nav__links a,
body.front-page .site-header:not(.scrolled) .nav__links a,
body.home .site-header:not(.scrolled) .nav__hamburger,
body.front-page .site-header:not(.scrolled) .nav__hamburger {
  color: var(--color-white);
}

body.home .site-header:not(.scrolled) .nav__links .menu-item-has-children > a::after,
body.front-page .site-header:not(.scrolled) .nav__links .menu-item-has-children > a::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23FFFFFF'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
}

body.home .site-header:not(.scrolled) .nav__links a::before,
body.front-page .site-header:not(.scrolled) .nav__links a::before {
  background: var(--color-white);
}

body.home .site-header:not(.scrolled) .nav__links a:hover,
body.front-page .site-header:not(.scrolled) .nav__links a:hover {
  color: var(--color-white);
  opacity: 1;
}

/* WP Admin Bar Support */
.admin-bar .site-header {
  top: 32px;
}
@media screen and (max-width: 782px) {
  .admin-bar .site-header {
    top: 46px;
  }
}

/* Solid on scroll */
.site-header.scrolled {
  background: var(--color-primary-dark);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
  padding: var(--space-2) var(--section-px);
}

.site-header.scrolled .nav__logo {
  width: 70px;
  height: 70px;
  top: 0;
  margin-bottom: 0;
}

.site-header.scrolled .nav__logo img {
  width: 50px;
  height: 50px;
}

.site-header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 0;
    gap: 50px;
}

.header-col {
    display: flex;
    align-items: center;
    flex: 1;
}

.header-col--center {
    flex: 0 0 auto;
    justify-content: center;
}

.header-col--left {
    justify-content: right;
}

.header-col--right {
    justify-content: left;
}

.nav__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 110;
  background: var(--color-white);
  width: 120px;
  height: 120px;
  border-radius: 50%;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  position: relative;
  top: 0;
  margin-bottom: -25px;
}

.nav__logo img {
  width: 85px;
  height: 85px;
  object-fit: contain;
  display: block;
  /* Removed invert filter to show original logo color on white background */
}

.nav__logo:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

/* Desktop Split Layout */
.nav__desktop-left,
.nav__desktop-right {
    display: flex;
    align-items: center;
}

@media (max-width: 1024px) {
    .nav__desktop-left,
    .nav__desktop-right {
        display: none;
    }
    
    .site-header {
        padding: var(--space-3) var(--section-px);
    }
    
    .header-col--left {
        display: none;
    }
    
    .header-col--center {
       /* flex: 1;*/
        justify-content: center; /* Center logo on mobile too */
    }
    
    .header-col--right {
        flex: 1;
        justify-content: flex-end;
    }

    .nav__logo {
        width: 80px;
        height: 80px;
        top: 15px;
        margin-bottom: -15px;
    }

    .nav__logo img {
        width: 55px;
        height: 55px;
    }
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
  margin: 0; padding: 0;
}

.nav__links li {
    margin: 0;
    position: relative;
}

/* Dropdown Menus */
.nav__links .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-white);
    min-width: 240px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    padding: 0;
    z-index: 110;
    list-style: none;
    margin: 0;
    border-top: 3px solid var(--color-primary);
}

.nav__links li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav__links .sub-menu li {
    padding: 0;
    margin: 0;
}

.nav__links .sub-menu a {
    display: block;
    padding: var(--space-3) var(--space-6);
    color: var(--color-dark);
    font-weight: 500;
}

.nav__links .sub-menu a::before {
    display: none;
}

.nav__links .sub-menu a:hover {
    color: var(--color-primary);
    background: var(--color-bg-alt);
}

/* Level 3 Dropdown */
.nav__links .sub-menu .sub-menu {
    top: -3px;
    left: 100%;
    margin-top: 0;
}

/* SVG Arrow for items with children */
.nav__links .menu-item-has-children > a {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav__links .sub-menu .menu-item-has-children > a {
    justify-content: space-between;
}



.nav__links .menu-item-has-children > a::after {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%232D3A3A'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    transition: transform 0.3s ease;
    position: relative;
    top: 1px;
}

.nav__links .menu-item-has-children:hover > a::after {
    transform: rotate(180deg);
}

.nav__links .sub-menu .menu-item-has-children > a::after {
    transform: rotate(-90deg);
}
.nav__links .sub-menu .menu-item-has-children:hover > a::after {
    transform: rotate(-90deg);
}

.nav__links a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-white);
  text-decoration: none;
  letter-spacing: var(--tracking-wide);
  position: relative;
  transition: color 0.2s ease;
  padding: var(--space-2) 0;
}

.nav__links a::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1.5px;
  background: var(--color-white);
  transition: width 0.3s ease;
}

.nav__links a:hover { color: var(--color-white); opacity: 0.8; }
.nav__links a:hover::before { width: 100%; background: var(--color-white); }

/* CTA Nav Item */
.nav__links li.nav-cta a {
  background: var(--color-white);
  color: var(--color-primary-deep) !important;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
}
.nav__links li.nav-cta a::before { display: none; }
.nav__links li.nav-cta a:hover { background: var(--color-bg-alt); color: var(--color-primary-deep) !important; }

/* Mobile Menu */
.nav__hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--color-white);
    cursor: pointer;
    padding: var(--space-2);
}
.nav__hamburger[aria-expanded="true"] .icon-hamburger { display: none; }
.nav__hamburger[aria-expanded="true"] .icon-close { display: block !important; }

.nav__mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: none;
    box-sizing: border-box;
    height: 100vh;
    background: var(--color-bg);
    z-index: 99;
    padding: calc(var(--space-24) + var(--space-8)) var(--space-8) var(--space-8);
    box-shadow: var(--shadow-lg);
    transition: right 0.4s ease;
    overflow-y: auto;
    overflow-x: hidden;
}

.nav__mobile-menu.is-open {
    right: 0;
}

body.nav-open {
    overflow: hidden;
}

.mobile-nav__links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.mobile-nav__links a {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    color: var(--color-dark);
    text-decoration: none;
    display: block;
}

.mobile-nav__links li.nav-cta a {
    background: var(--color-primary);
    color: var(--color-white) !important;
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-full);
    text-align: center;
    font-family: var(--font-body);
    font-size: var(--text-md);
    margin-top: var(--space-4);
}

/* Mobile dropdown accordion support */
.mobile-nav__links .sub-menu {
    padding-left: var(--space-4);
    list-style: none;
    margin-top: var(--space-4);
    display: none;
    flex-direction: column;
    gap: var(--space-4);
}
.mobile-nav__links .menu-item-has-children.is-expanded > .sub-menu {
    display: flex;
}
.mobile-nav__links .sub-menu a {
    font-size: var(--text-md);
    font-family: var(--font-body);
    color: var(--color-muted);
}
.mobile-nav__links .menu-item-has-children > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.mobile-toggle-arrow {
    display: inline-block;
    width: 24px;
    height: 24px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%232D3A3A'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-size: 20px;
    background-repeat: no-repeat;
    background-position: center;
    transition: transform 0.3s ease;
}
.mobile-nav__links .menu-item-has-children.is-expanded > a .mobile-toggle-arrow {
    transform: rotate(180deg);
}

@media (max-width: 1024px) {
    .nav__primary {
        display: none;
    }
    .nav__hamburger {
        display: block;
    }
}
/* Search Toggle */
.nav__search-toggle {
    background: none;
    border: none;
    color: var(--color-dark);
    cursor: pointer;
    padding: var(--space-2);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s ease, transform 0.3s ease;
}

.nav__search-toggle:hover {
    color: var(--color-primary);
    transform: scale(1.1);
}

/* Search Overlay */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
}

.search-overlay.is-active {
    opacity: 1;
    visibility: visible;
}

.search-overlay__close {
    position: absolute;
    top: var(--space-8);
    right: var(--space-8);
    background: none;
    border: none;
    color: var(--color-dark);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.search-overlay__close:hover {
    transform: rotate(90deg);
    color: var(--color-primary);
}

.search-overlay__label {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    color: var(--color-primary);
    margin-bottom: var(--space-4);
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease 0.2s;
}

.search-overlay.is-active .search-overlay__label {
    opacity: 1;
    transform: translateY(0);
}

.search-overlay__input-wrapper {
    display: flex;
    align-items: center;
    border-bottom: 2px solid var(--color-primary-soft);
    padding-bottom: var(--space-2);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease 0.3s;
}

.search-overlay.is-active .search-overlay__input-wrapper {
    opacity: 1;
    transform: translateY(0);
}

.search-overlay__input {
    flex: 1;
    background: none;
    border: none;
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 4rem);
    color: var(--color-dark);
    outline: none;
    padding: var(--space-4) 0;
}

.search-overlay__input::placeholder {
    color: var(--color-border);
}

.search-overlay__submit {
    background: none;
    border: none;
    color: var(--color-primary);
    cursor: pointer;
    padding: var(--space-4);
    transition: transform 0.3s ease;
}

.search-overlay__submit:hover {
    transform: scale(1.1);
}

@media (max-width: 768px) {
    .search-overlay__close {
        top: var(--space-4);
        right: var(--space-4);
    }
    .search-overlay__input {
        font-size: 2rem;
    }
}

/* ── Premium Language Selector Dropdown ── */
.lang-selector {
    position: relative;
    display: inline-block;
    z-index: 120;
}

.lang-selector__btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
    padding: 6px 14px;
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    outline: none;
}

.lang-selector__btn:hover,
.lang-selector:hover .lang-selector__btn {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--color-border);
    color: var(--color-border);
    box-shadow: 0 0 15px rgba(231, 205, 171, 0.25);
}

body.home .site-header:not(.scrolled) .lang-selector__btn,
body.front-page .site-header:not(.scrolled) .lang-selector__btn {
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.25);
}

body.home .site-header:not(.scrolled) .lang-selector:hover .lang-selector__btn,
body.front-page .site-header:not(.scrolled) .lang-selector:hover .lang-selector__btn {
    color: var(--color-primary-soft);
    border-color: var(--color-primary-soft);
}

.lang-selector__globe {
    display: flex;
    align-items: center;
    opacity: 0.85;
}

.lang-selector__current {
    font-weight: 600;
    letter-spacing: 0.05em;
}

.lang-selector__arrow {
    display: flex;
    align-items: center;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.7;
}

.lang-selector:hover .lang-selector__arrow {
    transform: rotate(180deg);
}

/* Dropdown Card Styling */
.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 12px;
    width: 230px;
    background: rgba(45, 27, 27, 0.98); /* Deep Red-Black to match theme */
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    overflow: hidden;
    padding: 6px 0;
}

.lang-selector:hover .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.lang-dropdown__item {
    margin: 0;
    list-style: none;
}

.lang-dropdown__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 11px 16px;
    color: var(--color-primary-pale);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    white-space: nowrap;
}

.lang-dropdown__item:not(.disabled) .lang-dropdown__link:hover {
    background: rgba(231, 205, 171, 0.12);
    color: var(--color-white);
    padding-left: 22px; /* Smooth micro-interaction indent */
}

.lang-dropdown__item.active .lang-dropdown__link {
    color: var(--color-gold);
    font-weight: 600;
    background: rgba(201, 168, 76, 0.08);
}

.lang-check {
    color: var(--color-gold);
    font-size: 14px;
    font-weight: bold;
}

/* Disabled & Coming Soon Styles */
.lang-dropdown__item.disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.lang-dropdown__item.disabled .lang-dropdown__link {
    cursor: not-allowed;
    background: transparent;
    pointer-events: none;
}

.lang-badge {
    font-size: 9px;
    padding: 2px 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--color-white);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.05em;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.lang-dropdown__item.disabled:hover {
    opacity: 0.6;
}

/* Make sure lang switcher matches body fonts in Tamil */
.lang-ta .lang-selector__btn,
.lang-ta .lang-dropdown__link {
    font-family: var(--font-tamil);
    text-transform: none; /* Keep Tamil glyphs natural */
}