/* ============================================
   IRRI-Style Header CSS
   Clean, professional header inspired by IRRI.org
   ============================================ */

/* Main Header Wrapper */
.irri-style-header {
    position: relative;
    z-index: 999;
    width: 100%;
    background: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.irri-header-wrapper {
    background: #ffffff;
    padding: 20px 0;
    border-bottom: 1px solid #e0e0e0;
}

.irri-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

/* Logo Section */
.irri-logo-section {
    flex-shrink: 0;
}

.irri-logo-link {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.irri-logo-link:hover {
    opacity: 0.85;
}

/* IRIA Brand Box - Green Rectangle */
.iria-brand-box {
    background: linear-gradient(135deg, #2e7d32 0%, #388e3c 100%);
    padding: 12px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(46, 125, 50, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 90px;
}

.iria-acronym {
    font-size: 32px;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: 2px;
    font-family: 'Libre Baskerville', serif;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Institute Name - Two Lines */
.irri-institute-name {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.irri-institute-name p {
    margin: 0;
    padding: 0;
    line-height: 1.3;
    font-family: 'Libre Baskerville', serif;
}

.institute-line-1,
.institute-line-2 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

/* GOK Logo */
.irri-logo-img {
    height: 70px;
    width: auto;
    margin-left: 5px;
}

/* Navigation Section */
.irri-nav-section {
    flex-grow: 1;
    display: flex;
    justify-content: flex-end;
}

.irri-main-menu {
    display: flex;
    align-items: center;
}

.irri-navigation {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 15px;
}

.irri-navigation>li {
    position: relative;
}

.irri-navigation>li>a {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    /* Push icon to right if width allows, or just separate */
    padding: 10px 12px;
    font-size: 15px;
    font-weight: 600;
    color: #333;
    text-decoration: none;
    font-family: 'Libre Baskerville', serif;
    transition: all 0.3s ease;
    border-radius: 4px;
    white-space: nowrap;
}

.irri-navigation>li>a:hover,
.irri-navigation>li.current>a {
    color: #2e7d32;
    background: rgba(46, 125, 50, 0.05);
}

/* Dropdown Icon */
/* Dropdown Icon - Hide JS injected button on desktop */
.irri-navigation .dropdown-btn {
    display: none;
}

/* Add icon via CSS */
.irri-navigation>li.dropdown>a::after {
    content: "\f10c";
    /* flaticon-down-chevron */
    font-family: "flaticon_liggett";
    margin-left: 8px;
    font-size: 12px;
    font-weight: normal;
    display: inline-block;
    transition: transform 0.3s ease;
}

.irri-navigation>li.dropdown:hover>a::after {
    transform: rotate(180deg);
}

/* Dropdown Menu */
.irri-navigation>li .dropdown-menu {
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    min-width: 280px;
    background: #ffffff !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15) !important;
    border-radius: 6px;
    padding: 8px 0;
    margin-top: 5px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 99999 !important;
    border: 1px solid #e0e0e0;
    display: block !important;
}

.irri-navigation>li.dropdown:hover .dropdown-menu {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
}

.irri-navigation>li .dropdown-menu li {
    list-style: none;
    margin: 0;
    padding: 0;
}

.irri-navigation>li .dropdown-menu li a {
    display: block;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 500;
    color: #444;
    text-decoration: none;
    font-family: 'Libre Baskerville', serif;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    white-space: nowrap;
}

.irri-navigation>li .dropdown-menu li a:hover {
    background: rgba(46, 125, 50, 0.05);
    color: #2e7d32;
    border-left-color: #2e7d32;
    padding-left: 24px;
}

/* Sticky Header */
.irri-sticky {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-100%);
    transition: all 0.4s ease;
    z-index: 9999;
}

.fixed_header .irri-sticky {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.irri-sticky .irri-logo-img {
    height: 50px;
}

.irri-sticky .iria-brand-box {
    padding: 8px 15px;
    min-width: 70px;
}

.irri-sticky .iria-acronym {
    font-size: 24px;
    letter-spacing: 1px;
}

.irri-sticky .institute-line-1 {
    font-size: 13px;
}

.irri-sticky .institute-line-2 {
    display: block;
    font-size: 13px;
}

/* Mobile Navigation Toggler */
.mobile-nav-toggler {
    display: none;
    cursor: pointer;
    padding: 10px;
}

.mobile-nav-toggler .icon-bar {
    display: block;
    width: 28px;
    height: 3px;
    background: #2e7d32;
    margin: 5px 0;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Mobile Menu Styles */
.mobile-menu {
    position: fixed;
    right: 0;
    top: 0;
    width: 320px;
    max-width: 85%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    z-index: 999999;
    transition: all 0.5s ease;
}

.mobile-menu-visible {
    overflow: hidden;
}

.mobile-menu-visible .mobile-menu {
    opacity: 1;
    visibility: visible;
}

.mobile-menu .menu-backdrop {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.mobile-menu-visible .mobile-menu .menu-backdrop {
    opacity: 1;
}

.mobile-menu .menu-box {
    position: absolute;
    right: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    padding: 20px;
    z-index: 5;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.5s ease;
}

.mobile-menu-visible .mobile-menu .menu-box {
    transform: translateX(0);
}

.mobile-menu .close-btn {
    position: absolute;
    right: 20px;
    top: 15px;
    width: 30px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    font-size: 20px;
    color: #2e7d32;
    cursor: pointer;
    font-weight: 700;
    transition: all 0.3s ease;
}

.mobile-menu .close-btn:hover {
    transform: rotate(90deg);
    color: #1b5e20;
}

.mobile-menu .nav-logo {
    padding: 30px 0 40px;
    text-align: center;
    border-bottom: 1px solid #e0e0e0;
}

.mobile-menu .nav-logo img {
    max-height: 60px;
}

.mobile-menu .menu-outer {
    padding: 20px 0;
}

.mobile-menu .irri-navigation {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
}

.mobile-menu .irri-navigation>li {
    border-bottom: 1px solid #f0f0f0;
}

.mobile-menu .irri-navigation>li>a {
    padding: 15px 20px;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: auto;
    line-height: 1.5;
    white-space: normal;
    /* Allow wrapping */
}

.mobile-menu .irri-navigation>li .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    margin: 0;
    padding: 0;
    background: #f8f8f8;
    display: none;
}

.mobile-menu .irri-navigation>li.dropdown.active .dropdown-menu {
    display: block;
}

.mobile-menu .irri-navigation>li .dropdown-menu li a {
    padding: 12px 30px;
    font-size: 14px;
    display: block;
    line-height: 1.4;
    height: auto;
    white-space: normal;
}

.mobile-menu .contact-info {
    padding: 30px 0;
    border-top: 1px solid #e0e0e0;
}

.mobile-menu .contact-info h4 {
    font-size: 18px;
    font-weight: 700;
    color: #2e7d32;
    margin-bottom: 15px;
}

.mobile-menu .contact-info ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-menu .contact-info ul li {
    padding: 8px 0;
    font-size: 14px;
    color: #555;
}

.mobile-menu .contact-info ul li a {
    color: #2e7d32;
    text-decoration: none;
    transition: color 0.3s ease;
}

.mobile-menu .contact-info ul li a:hover {
    color: #1b5e20;
}

.mobile-menu .social-links {
    display: flex;
    justify-content: center;
    gap: 15px;
    padding: 20px 0;
    list-style: none;
    margin: 0;
}

.mobile-menu .social-links li a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #f0f0f0;
    border-radius: 50%;
    color: #2e7d32;
    font-size: 18px;
    transition: all 0.3s ease;
}

.mobile-menu .social-links li a:hover {
    background: #2e7d32;
    color: #ffffff;
}

/* Responsive Design */
@media (max-width: 1199px) {
    .irri-main-menu {
        display: none;
    }

    .mobile-nav-toggler {
        display: block;
    }

    .irri-logo-img {
        height: 50px;
    }

    .iria-brand-box {
        padding: 8px 15px;
        min-width: 70px;
    }

    .iria-acronym {
        font-size: 24px;
        letter-spacing: 1px;
    }

    .institute-line-1,
    .institute-line-2 {
        font-size: 13px;
    }
}

@media (max-width: 768px) {
    .irri-header-wrapper {
        padding: 15px 0;
    }

    .irri-logo-img {
        height: 45px;
    }

    .iria-brand-box {
        padding: 6px 12px;
        min-width: 60px;
    }

    .iria-acronym {
        font-size: 20px;
        letter-spacing: 1px;
    }

    .institute-line-1,
    .institute-line-2 {
        font-size: 11px;
    }

    .irri-header-inner {
        gap: 10px;
    }

    .irri-logo-link {
        gap: 10px;
    }
}

@media (max-width: 576px) {
    .irri-logo-img {
        height: 40px;
    }

    .iria-brand-box {
        padding: 5px 10px;
        min-width: 50px;
    }

    .iria-acronym {
        font-size: 18px;
        letter-spacing: 0.5px;
    }

    .institute-line-1 {
        font-size: 10px;
    }

    .institute-line-2 {
        display: none;
    }

    .irri-logo-link {
        gap: 8px;
    }

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

/* Animation for dropdown arrow */
@keyframes rotateArrow {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(180deg);
    }
}

/* Smooth scrolling for anchor links */
html {
    scroll-behavior: smooth;
}

/* Override any conflicting styles from old header.css */
.irri-style-header .irri-navigation>li {
    position: relative !important;
}

.irri-style-header .irri-navigation>li.dropdown {
    position: relative !important;
}

.irri-style-header .irri-navigation>li.dropdown>.dropdown-menu {
    position: absolute !important;
    display: block !important;
}

/* Ensure dropdowns are visible on hover */
.irri-style-header .irri-navigation>li.dropdown:hover>.dropdown-menu,
.irri-style-header .irri-navigation>li.dropdown:focus-within>.dropdown-menu {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
    pointer-events: auto !important;
}

/* Fix for any overflow hidden issues */
.irri-header-wrapper,
.irri-header-inner,
.irri-nav-section,
.irri-main-menu {
    overflow: visible !important;
}