/* ═══════════════════════════════════════════════════════════════
   ESARAN HEADER CSS
   Corporate Modern – Hello Elementor Child
════════════════════════════════════════════════════════════════ */

/* ─── CSS Variables ─────────────────────────────────────────── */
:root {
    --esaran-blue:         #1a56db;
    --esaran-blue-dark:    #1241a8;
    --esaran-blue-light:   #e8f0fe;
    --esaran-text:         #1e293b;
    --esaran-text-muted:   #64748b;
    --esaran-white:        #ffffff;
    --esaran-border:       #e2e8f0;
    --esaran-shadow:       0 2px 20px rgba(0, 0, 0, 0.08);
    --esaran-shadow-deep:  0 4px 30px rgba(0, 0, 0, 0.14);
    --esaran-radius:       8px;
    --esaran-header-h:     70px;
    --esaran-header-h-sm:  60px;
    --esaran-font:         'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --esaran-transition:   all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --esaran-z-header:     9999;
    --esaran-z-dropdown:   10000;
    --esaran-z-mobile:     10001;
    --esaran-z-overlay:    10000;
}

/* ─── Reset in namespace ────────────────────────────────────── */
.esaran-header *,
.esaran-header *::before,
.esaran-header *::after,
.esaran-mobile-menu *,
.esaran-mobile-menu *::before,
.esaran-mobile-menu *::after {
    box-sizing: border-box;
}

/* ─── Font Base ─────────────────────────────────────────────── */
.esaran-header,
.esaran-mobile-menu {
    font-family: var(--esaran-font);
}

/* ═══════════════════════════════════════════════════════════════
   HEADER WRAPPER
════════════════════════════════════════════════════════════════ */
.esaran-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--esaran-header-h);
    background: var(--esaran-white);
    border-bottom: 1px solid transparent;
    z-index: var(--esaran-z-header);
    transition: var(--esaran-transition);
    transition-property: height, box-shadow, border-color;
}

/* Scrolled state – shrink + shadow */
.esaran-header.is-scrolled {
    height: var(--esaran-header-h-sm);
    box-shadow: var(--esaran-shadow);
    border-bottom-color: var(--esaran-border);
}

/* ─── Container ─────────────────────────────────────────────── */
.esaran-header__container {
    max-width: 1280px;
    margin: 0 auto;
    height: 100%;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 32px;
}

/* ═══════════════════════════════════════════════════════════════
   LOGO
════════════════════════════════════════════════════════════════ */
.esaran-header__logo {
    flex-shrink: 0;
}

.esaran-header__logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.esaran-header__logo-img {
    height: 40px;
    width: auto;
    display: block;
    transition: var(--esaran-transition);
    transition-property: height;
}

.esaran-header.is-scrolled .esaran-header__logo-img {
    height: 34px;
}

.esaran-header__logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--esaran-blue);
    letter-spacing: -0.02em;
    line-height: 1;
}

/* ═══════════════════════════════════════════════════════════════
   PRIMARY NAV
════════════════════════════════════════════════════════════════ */
.esaran-header__nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

/* Menu list reset */
.esaran-header__menu,
.esaran-header__menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.esaran-header__menu {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ─── Menu Items ────────────────────────────────────────────── */
.esaran-header__menu > li {
    position: relative;
}

.esaran-header__menu > li > a {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 14px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--esaran-text);
    text-decoration: none;
    border-radius: var(--esaran-radius);
    transition: var(--esaran-transition);
    white-space: nowrap;
    line-height: 1.4;
}

.esaran-header__menu > li > a:hover,
.esaran-header__menu > li.current-menu-item > a,
.esaran-header__menu > li.current-menu-ancestor > a {
    color: var(--esaran-blue);
    background: var(--esaran-blue-light);
}

/* Arrow for parent items */
.esaran-header__menu > li.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' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-size: contain;
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.esaran-header__menu > li.menu-item-has-children:hover > a::after {
    transform: rotate(180deg);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231a56db' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
}

/* ─── Dropdown Sub-Menu ─────────────────────────────────────── */
.esaran-header__menu > li > ul.sub-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 220px;
    background: var(--esaran-white);
    border: 1px solid var(--esaran-border);
    border-radius: 12px;
    box-shadow: var(--esaran-shadow-deep);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    z-index: var(--esaran-z-dropdown);
    pointer-events: none;
}

.esaran-header__menu > li:hover > ul.sub-menu,
.esaran-header__menu > li:focus-within > ul.sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.esaran-header__menu ul.sub-menu li a {
    display: block;
    padding: 9px 12px;
    font-size: 0.8475rem;
    font-weight: 400;
    color: var(--esaran-text);
    text-decoration: none;
    border-radius: 6px;
    transition: var(--esaran-transition);
    line-height: 1.5;
}

.esaran-header__menu ul.sub-menu li a:hover {
    background: var(--esaran-blue-light);
    color: var(--esaran-blue);
    padding-left: 16px;
}

/* ═══════════════════════════════════════════════════════════════
   CTA BUTTONS
════════════════════════════════════════════════════════════════ */
.esaran-header__cta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.esaran-header__btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 18px;
    font-family: var(--esaran-font);
    font-size: 0.8125rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--esaran-radius);
    cursor: pointer;
    transition: var(--esaran-transition);
    white-space: nowrap;
    letter-spacing: 0.01em;
    line-height: 1;
    border: 2px solid transparent;
}

/* Outline button */
.esaran-header__btn--outline {
    color: var(--esaran-blue);
    border-color: var(--esaran-blue);
    background: transparent;
}

.esaran-header__btn--outline:hover {
    background: var(--esaran-blue);
    color: var(--esaran-white);
    box-shadow: 0 4px 14px rgba(26, 86, 219, 0.3);
}

/* Solid button */
.esaran-header__btn--solid {
    background: var(--esaran-blue);
    color: var(--esaran-white);
    border-color: var(--esaran-blue);
}

.esaran-header__btn--solid:hover {
    background: var(--esaran-blue-dark);
    border-color: var(--esaran-blue-dark);
    box-shadow: 0 4px 14px rgba(26, 86, 219, 0.35);
    transform: translateY(-1px);
}

.esaran-header__btn--full {
    width: 100%;
    justify-content: center;
}

.esaran-header__btn-icon {
    flex-shrink: 0;
    display: block;
}

/* ═══════════════════════════════════════════════════════════════
   HAMBURGER
════════════════════════════════════════════════════════════════ */
.esaran-header__hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--esaran-radius);
    transition: var(--esaran-transition);
    flex-shrink: 0;
    margin-left: auto;
}

.esaran-header__hamburger:hover {
    background: var(--esaran-blue-light);
}

.esaran-header__hamburger-bar {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--esaran-text);
    border-radius: 2px;
    transition: var(--esaran-transition);
    transform-origin: center;
}

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

/* ─── Header Spacer ─────────────────────────────────────────── */
.esaran-header-spacer {
    height: var(--esaran-header-h);
    transition: height 0.25s ease;
}

/* ═══════════════════════════════════════════════════════════════
   MOBILE OVERLAY
════════════════════════════════════════════════════════════════ */
.esaran-mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    z-index: var(--esaran-z-overlay);
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(2px);
}

.esaran-mobile-overlay.is-visible {
    opacity: 1;
}

/* ═══════════════════════════════════════════════════════════════
   MOBILE MENU
════════════════════════════════════════════════════════════════ */
.esaran-mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: min(360px, 90vw);
    height: 100vh;
    height: 100dvh;
    background: var(--esaran-white);
    z-index: var(--esaran-z-mobile);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.esaran-mobile-menu.is-open {
    transform: translateX(0);
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.18);
}

/* ─── Mobile Menu Header ────────────────────────────────────── */
.esaran-mobile-menu__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--esaran-border);
    flex-shrink: 0;
    min-height: var(--esaran-header-h);
}

.esaran-mobile-menu__logo {
    text-decoration: none;
}

.esaran-mobile-menu__logo-img {
    height: 36px;
    width: auto;
    display: block;
}

.esaran-mobile-menu__logo-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--esaran-blue);
}

.esaran-mobile-menu__close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    border-radius: var(--esaran-radius);
    color: var(--esaran-text);
    transition: var(--esaran-transition);
    flex-shrink: 0;
}

.esaran-mobile-menu__close:hover {
    background: var(--esaran-blue-light);
    color: var(--esaran-blue);
}

/* ─── Mobile Menu Body ──────────────────────────────────────── */
.esaran-mobile-menu__body {
    flex: 1;
    overflow-y: auto;
    padding: 12px 16px;
    -webkit-overflow-scrolling: touch;
}

.esaran-mobile-menu__list,
.esaran-mobile-menu__list ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.esaran-mobile-menu__list > li {
    border-bottom: 1px solid var(--esaran-border);
}

.esaran-mobile-menu__list > li:last-child {
    border-bottom: none;
}

.esaran-mobile-menu__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 4px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--esaran-text);
    text-decoration: none;
    transition: color 0.2s ease;
    min-height: 48px;
    gap: 8px;
}

.esaran-mobile-menu__link:hover {
    color: var(--esaran-blue);
}

.esaran-mobile-menu__link.current-menu-item {
    color: var(--esaran-blue);
}

.esaran-mobile-menu__arrow {
    display: flex;
    align-items: center;
    color: var(--esaran-text-muted);
    transition: transform 0.25s ease;
    flex-shrink: 0;
}

.esaran-mobile-menu__link--parent.is-expanded .esaran-mobile-menu__arrow {
    transform: rotate(180deg);
    color: var(--esaran-blue);
}

/* Sub menu in mobile */
.esaran-mobile-menu__list .sub-menu {
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.3s ease;
    background: #f8fafc;
    border-radius: 8px;
    margin: 0 0 8px;
}

.esaran-mobile-menu__list .sub-menu.is-open {
    max-height: 400px;
}

.esaran-mobile-menu__list .sub-menu li a {
    display: block;
    padding: 11px 16px;
    font-size: 0.875rem;
    color: var(--esaran-text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
    border-bottom: 1px solid var(--esaran-border);
    min-height: 44px;
    display: flex;
    align-items: center;
}

.esaran-mobile-menu__list .sub-menu li:last-child a {
    border-bottom: none;
}

.esaran-mobile-menu__list .sub-menu li a:hover {
    color: var(--esaran-blue);
    background: var(--esaran-blue-light);
}

/* ─── Mobile Menu Footer ────────────────────────────────────── */
.esaran-mobile-menu__footer {
    padding: 16px 20px;
    border-top: 1px solid var(--esaran-border);
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex-shrink: 0;
    background: #f8fafc;
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE – TABLET & MOBILE
════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
    .esaran-header__container {
        gap: 20px;
        padding: 0 20px;
    }

    .esaran-header__btn--solid {
        font-size: 0.75rem;
        padding: 8px 14px;
    }
}

@media (max-width: 900px) {
    /* Hide desktop nav + CTA; show hamburger */
    .esaran-header__nav,
    .esaran-header__cta {
        display: none;
    }

    .esaran-header__hamburger {
        display: flex;
    }

    /* Show mobile overlay */
    .esaran-mobile-overlay {
        display: block;
    }
}

@media (max-width: 480px) {
    .esaran-header__container {
        padding: 0 16px;
    }

    .esaran-mobile-menu {
        width: 100%;
    }
}