/* CSS Variables with IE fallback */
:root {
    --primary: #1a3a5f;
    --secondary: #d4af37;
    --accent: #2c5f2d;
    --light: #f8f9fa;
    --dark: #212529;
    --gray: #6c757d;
    --transition: all 0.3s ease;
}

/* Global Styles */
* {
    margin: 0;
    padding: 0;
    /* IE-safe box-sizing */
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #212529; /* IE fallback for var(--dark) */
    background-color: #f8f9fa; /* IE fallback for var(--light) */
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

section {
    padding: 80px 0;
}

h1, h2, h3, h4 {
    margin-bottom: 1rem;
    color: #1a3a5f; /* IE fallback for var(--primary) */
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    -webkit-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: #d4af37; /* IE fallback for var(--secondary) */
}

p {
    margin-bottom: 1rem;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #d4af37; /* IE fallback for var(--secondary) */
    color: #1a3a5f; /* IE fallback for var(--primary) */
    border: none;
    border-radius: 4px;
    font-weight: 600;
    text-decoration: none;
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn:hover {
    background-color: #1a3a5f; /* IE fallback for var(--primary) */
    color: white;
    -webkit-transform: translateY(-3px);
    -ms-transform: translateY(-3px);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid #d4af37; /* IE fallback for var(--secondary) */
    color: #d4af37; /* IE fallback for var(--secondary) */
}

.btn-outline:hover {
    background-color: #d4af37; /* IE fallback for var(--secondary) */
    color: #1a3a5f; /* IE fallback for var(--primary) */
}

/* Header Styles */
header {
    background: white;
    padding: 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}

.logo-img {
    height: 60px;
    width: auto;
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
    /* Remove the white filter for dark header since we have white background */
    filter: none;
}

.logo:hover .logo-img {
    -webkit-transform: scale(1.05);
    -ms-transform: scale(1.05);
    transform: scale(1.05);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.logo-text {
    margin-left: 10px;
    font-size: 1.8rem;
    font-weight: 700;
    color: #1a3a5f; /* IE fallback for var(--primary) */
}

.logo-text span {
    color: #d4af37; /* IE fallback for var(--secondary) */
}

/* Navigation styles */
nav {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}

nav ul {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

/* IE fallback for gap property */
nav ul li {
    margin-right: 30px;
}

nav ul li:last-child {
    margin-right: 0;
}

nav ul li a {
    color: #1a3a5f; /* IE fallback for var(--primary) */
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    padding: 8px 16px;
    border-radius: 5px;
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
    position: relative;
}

/* Hover state */
nav ul li a:hover {
    background: #d4af37; /* IE fallback for var(--secondary) */
    color: #1a3a5f; /* IE fallback for var(--primary) */
    -webkit-transform: translateY(-2px);
    -ms-transform: translateY(-2px);
    transform: translateY(-2px);
}

/* Active state */
nav ul li a.active {
    background: #d4af37; /* IE fallback for var(--secondary) */
    color: #1a3a5f; /* IE fallback for var(--primary) */
}

nav ul li a.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    -webkit-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: #1a3a5f; /* IE fallback for var(--primary) */
    border-radius: 50%;
}

.mobile-menu {
    display: none;
    color: #1a3a5f; /* IE fallback for var(--primary) */
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: #1a3a5f; /* Fallback for IE */
    background: linear-gradient(rgba(26, 58, 95, 0.8), rgba(26, 58, 95, 0.8)), url('https://images.unsplash.com/photo-1497366754035-f200968a6e72?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 180px 0 100px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: white;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
}

/* About Section */
.about-content {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}

.about-text {
    -webkit-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    margin-right: 50px;
}

.about-image {
    -webkit-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Sectors Section */
.sectors-grid {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.sector-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: block;
    width: calc(33.333% - 30px);
    margin: 0 15px 30px;
}

.sector-card:hover {
    -webkit-transform: translateY(-10px);
    -ms-transform: translateY(-10px);
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    text-decoration: none;
    color: inherit;
}

.sector-icon {
    height: 200px;
    background-color: #1a3a5f; /* IE fallback for var(--primary) */
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.sector-content {
    padding: 25px;
}

.sector-content h3 {
    margin-bottom: 15px;
    color: #1a3a5f; /* IE fallback for var(--primary) */
}

/* Vision Section */
.vision {
    background-color: #1a3a5f; /* IE fallback for var(--primary) */
    color: white;
    text-align: center;
}

.vision h2 {
    color: white;
}

.vision h2::after {
    background-color: #d4af37; /* IE fallback for var(--secondary) */
}

.vision-content {
    max-width: 800px;
    margin: 0 auto;
}

/* CSR Section */
.csr {
    background-color: #f8f9fa; /* IE fallback for var(--light) */
}

.csr-stats {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    justify-content: center
    align-items: center;
    margin: 0 -15px 60px;
}

.stat-card {
    text-align: center;
    padding: 30px 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    width: calc(25% - 30px);
    margin: 0 15px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a3a5f; /* IE fallback for var(--primary) */
    margin-bottom: 10px;
}

.stat-label {
    color: #6c757d; /* IE fallback for var(--gray) */
    font-weight: 500;
}

.focus-areas {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    margin: 0 -15px 60px;
}

.focus-card {
    text-align: center;
    padding: 40px 30px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
    width: calc(33.333% - 30px);
    margin: 0 15px 30px;
}

.focus-card:hover {
    -webkit-transform: translateY(-5px);
    -ms-transform: translateY(-5px);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.focus-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
}

.focus-icon.education {
    background-color: rgba(34, 197, 94, 0.1);
    color: #22c55e;
}

.focus-icon.environment {
    background-color: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

.focus-icon.community {
    background-color: rgba(234, 179, 8, 0.1);
    color: #eab308;
}

.csr-projects-header {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    margin-bottom: 40px;
}

.csr-filters {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 20px;
    background-color: #e9ecef;
    color: #212529; /* IE fallback for var(--dark) */
    font-weight: 500;
    cursor: pointer;
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
    margin-right: 10px;
    margin-bottom: 10px;
}

.filter-btn:last-child {
    margin-right: 0;
}

.filter-btn.active,
.filter-btn:hover {
    background-color: #1a3a5f; /* IE fallback for var(--primary) */
    color: white;
}

.projects-grid {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    margin: 0 -15px 60px;
}

.project-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
    width: calc(33.333% - 30px);
    margin: 0 15px 30px;
}

.project-card:hover {
    -webkit-transform: translateY(-10px);
    -ms-transform: translateY(-10px);
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.project-image {
    height: 200px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    -webkit-transition: -webkit-transform 0.5s ease;
    transition: -webkit-transform 0.5s ease;
    transition: transform 0.5s ease;
    transition: transform 0.5s ease, -webkit-transform 0.5s ease;
}

.project-card:hover .project-image img {
    -webkit-transform: scale(1.05);
    -ms-transform: scale(1.05);
    transform: scale(1.05);
}

.project-content {
    padding: 25px;
}

.project-content h3 {
    margin-bottom: 15px;
    color: #1a3a5f; /* IE fallback for var(--primary) */
}

.project-impact {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    color: #22c55e;
    margin-top: 15px;
    font-weight: 500;
}

.project-impact i {
    margin-right: 8px;
}

.csr-commitment {
    background-color: #1a3a5f; /* IE fallback for var(--primary) */
    color: white;
    padding: 60px 40px;
    border-radius: 12px;
    text-align: center;
}

.csr-commitment h3 {
    color: white;
    margin-bottom: 20px;
}

.commitment-icon {
    font-size: 3rem;
    color: #d4af37; /* IE fallback for var(--secondary) */
    margin-bottom: 20px;
}

/* Contact Section */
.contact-container {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}

.contact-info {
    -webkit-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    margin-right: 50px;
}

.contact-details {
    margin-top: 30px;
}

.contact-item {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: start;
    -ms-flex-align: start;
    align-items: flex-start;
    margin-bottom: 20px;
}

.contact-icon {
    margin-right: 15px;
    color: #d4af37; /* IE fallback for var(--secondary) */
    font-size: 1.2rem;
}

.contact-form {
    -webkit-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: #d4af37; /* IE fallback for var(--secondary) */
    outline: none;
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

/* Footer */
footer {
    background-color: #212529; /* IE fallback for var(--dark) */
    color: white;
    padding: 60px 0 30px;
}

.footer-container {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    margin: 0 -20px 40px;
}

.footer-col {
    width: calc(25% - 40px);
    margin: 0 20px;
}

.footer-col h3 {
    color: white;
    margin-bottom: 25px;
    font-size: 1.2rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: #ccc;
    text-decoration: none;
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.footer-col ul li a:hover {
    color: #d4af37; /* IE fallback for var(--secondary) */
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #ccc;
    font-size: 0.9rem;
}

/* Page Header */
.page-header {
    background: #1a3a5f; /* Fallback for IE */
    background: linear-gradient(rgba(26, 58, 95, 0.9), rgba(26, 58, 95, 0.9)), url('https://images.unsplash.com/photo-1497366754035-f200968a6e72?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 150px 0 80px;
    margin-top: 80px;
}

.page-header h1 {
    color: white;
    font-size: 3rem;
    margin-bottom: 1rem;
}

.breadcrumb {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    list-style: none;
    padding: 0;
}

.breadcrumb li {
    margin: 0 10px;
}

.breadcrumb li a {
    color: #d4af37; /* IE fallback for var(--secondary) */
    text-decoration: none;
}

.breadcrumb li:not(:last-child)::after {
    content: ">";
    margin-left: 10px;
    color: white;
}

/* Clickable card styles */
.clickable-card {
    text-decoration: none;
    color: inherit;
    display: block;
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
    position: relative;
    cursor: pointer;
}

.clickable-card:hover {
    -webkit-transform: translateY(-5px);
    -ms-transform: translateY(-5px);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    text-decoration: none;
    color: inherit;
}

.card-click-indicator {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #eee;
    text-align: center;
    color: #1a3a5f; /* IE fallback for var(--primary) */
    font-weight: 600;
    font-size: 0.9rem;
}

.clickable-card:hover .card-click-indicator {
    color: #2c5f2d; /* IE fallback for var(--accent) */
}

/* Enhanced Footer Styles */
footer {
    background: #2c3e50; /* Fallback for gradient */
    background: linear-gradient(135deg, #2c3e50, #34495e);
    color: white;
    padding: 50px 0 20px;
    margin-top: 50px;
}

.footer-container {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    margin: 0 -20px 30px;
}

.footer-col:first-child {
    width: calc(40% - 40px);
}

.footer-col {
    width: calc(20% - 40px);
}

.footer-col:last-child {
    width: calc(30% - 40px);
}

.footer-col h3 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.footer-col h4 {
    color: #ecf0f1;
    margin: 20px 0 10px;
    font-size: 1.1rem;
}

.footer-col p {
    line-height: 1.6;
    color: #bdc3c7;
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: #bdc3c7;
    text-decoration: none;
    -webkit-transition: color 0.3s ease;
    transition: color 0.3s ease;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}

.footer-col ul li a i {
    margin-right: 8px;
}

.footer-col ul li a:hover {
    color: #1a3a5f; /* IE fallback for var(--primary) */
}

/* Contact Info Styles */
.contact-info {
    margin-top: 20px;
}

.contact-item {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: start;
    -ms-flex-align: start;
    align-items: flex-start;
    margin-bottom: 15px;
    color: #bdc3c7;
}

.contact-item .fas{
 color:  white;
}
.contact-item i {
    color: #1a3a5f; /* IE fallback for var(--primary) */
    margin-right: 12px;
    margin-top: 2px;
    min-width: 16px;
}

.phone-numbers {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
}

.phone-numbers a {
    color: #bdc3c7;
    text-decoration: none;
    -webkit-transition: color 0.3s ease;
    transition: color 0.3s ease;
    margin-bottom: 5px;
}

.phone-numbers a:hover {
    color: #1a3a5f; /* IE fallback for var(--primary) */
}

.contact-item a[href^="mailto"] {
    color: #bdc3c7;
    text-decoration: none;
    -webkit-transition: color 0.3s ease;
    transition: color 0.3s ease;
}

.contact-item a[href^="mailto"]:hover {
    color: #1a3a5f; /* IE fallback for var(--primary) */
}

/* Social Links Styles */
.social-links {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
}

.social-link {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: #bdc3c7;
    text-decoration: none;
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
    margin-bottom: 12px;
}

.social-link i {
    margin-right: 12px;
    font-size: 1.2rem;
    width: 20px;
    text-align: center;
}

.social-link:hover {
    background: rgba(52, 152, 219, 0.2);
    color: white;
    -webkit-transform: translateX(5px);
    -ms-transform: translateX(5px);
    transform: translateX(5px);
}

/* Business Hours */
.business-hours {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.business-hours p {
    margin: 5px 0;
    font-size: 0.9rem;
    color: #95a5a6;
}

/* Copyright */
.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #95a5a6;
    font-size: 0.9rem;
}

/* Responsive Styles */
@media (max-width: 1200px) {
    .sector-card,
    .focus-card,
    .project-card {
        width: calc(50% - 30px);
    }
    
    .stat-card {
        width: calc(50% - 30px);
        margin-bottom: 30px;
    }
}

@media (max-width: 992px) {
    .about-content {
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
        -ms-flex-direction: column;
        flex-direction: column;
    }
    
    .about-text {
        margin-right: 0;
        margin-bottom: 30px;
    }
    
    .contact-container {
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
        -ms-flex-direction: column;
        flex-direction: column;
    }

    .contact-info {
        margin-right: 0;
        margin-bottom: 50px;
    }

    .csr-projects-header {
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
        -ms-flex-direction: column;
        flex-direction: column;
        -webkit-box-align: start;
        -ms-flex-align: start;
        align-items: flex-start;
    }
    
    .csr-filters {
        margin-top: 20px;
    }
    
    .footer-col:first-child,
    .footer-col,
    .footer-col:last-child {
        width: calc(50% - 40px);
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    nav ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
        -ms-flex-direction: column;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    }

    nav ul.show {
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
    }

    nav ul li {
        margin: 0;
        text-align: center;
        margin-bottom: 15px;
    }
    
    nav ul li:last-child {
        margin-bottom: 0;
    }

    nav ul li a {
        display: block;
        padding: 12px 20px;
        border-radius: 8px;
        color: #1a3a5f; /* IE fallback for var(--primary) */
    }

    /* Mobile menu hover and active states */
    nav ul li a:hover,
    nav ul li a.active {
        background: #d4af37; /* IE fallback for var(--secondary) */
        color: #1a3a5f; /* IE fallback for var(--primary) */
    }

    .mobile-menu {
        display: block;
    }

    .hero h1,
    .page-header h1 {
        font-size: 2.5rem;
    }

    .sector-card,
    .focus-card,
    .project-card,
    .stat-card {
        width: calc(100% - 30px);
    }
    
    .header-container {
        padding: 12px 0;
    }
    
    .logo-img {
        height: 50px;
    }
    
    .footer-col:first-child,
    .footer-col,
    .footer-col:last-child {
        width: calc(100% - 40px);
    }
}

@media (max-width: 576px) {
    section {
        padding: 60px 0;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .hero {
        padding: 150px 0 80px;
    }

    .hero h1,
    .page-header h1 {
        font-size: 2rem;
    }

    .csr-filters {
        -webkit-box-pack: center;
        -ms-flex-pack: center;
        justify-content: center;
    }
    
    .logo-img {
        height: 45px;
    }
    
    .header-container {
        padding: 10px 0;
    }
    
    .footer-col {
        text-align: center;
    }
    
    .contact-item {
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
        -ms-flex-direction: column;
        flex-direction: column;
        -webkit-box-align: center;
        -ms-flex-align: center;
        align-items: center;
        text-align: center;
    }
    
    .contact-item i {
        margin-right: 0;
        margin-bottom: 8px;
    }
    
    .social-links {
        -webkit-box-align: center;
        -ms-flex-align: center;
        align-items: center;
    }
    
    .social-link {
        -webkit-box-pack: center;
        -ms-flex-pack: center;
        justify-content: center;
        min-width: 200px;
    }
}

/* IE-specific fixes */
@media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
    /* IE 10+ specific styles */
    .hero {
        background: #1a3a5f;
    }
    
    .page-header {
        background: #1a3a5f;
    }
    
    /* Fix for flexbox issues in IE */
    .sectors-grid,
    .csr-stats,
    .focus-areas,
    .projects-grid,
    .footer-container {
        display: block;
    }
    
    .sector-card,
    .stat-card,
    .focus-card,
    .project-card,
    .footer-col {
        display: inline-block;
        vertical-align: top;
        margin-right: 20px;
        margin-bottom: 20px;
    }
    
    /* Clear CSS variables for IE */
    body {
        color: #212529 !important;
        background-color: #f8f9fa !important;
    }
    
    h1, h2, h3, h4 {
        color: #1a3a5f !important;
    }
    
    .btn {
        background-color: #d4af37 !important;
        color: #1a3a5f !important;
    }
    
    .vision {
        background-color: #1a3a5f !important;
    }
}