/* CSS Variables (Root Colors) - Matching Other Pages */
:root {
    /* Primary Colors */
    --primary-blue: #1a4a7a;
    --primary-blue2: #53729160;
    --primary-blue-dark: #0d2c4a;
    --primary-blue-light: #2a6ab0;
    --primary-blue-lighter: #4a8bd6;
    
    /* Secondary Colors */
    --secondary-gold: #d4af37;
    --secondary-gold-dark: #b8941f;
    --secondary-gold-light: #f0d992;
    --secondary-gold-lighter: #f8ecc9;
    
    /* Timeline Colors */
    --timeline-blue: #1a4a7a;
    --timeline-gold: #d4af37;
    --timeline-bg: #f8f9fa;
    
    /* Background Colors */
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --bg-gray: #f0f2f5;
    --bg-section: #fafcff;
    --bg-timeline: #f5f8ff;
    
    /* Text Colors */
    --text-dark: #333333;
    --text-light: #666666;
    --text-lighter: #888888;
    --text-white: #ffffff;
    
    /* Border Colors */
    --border-light: #e0e0e0;
    --border-medium: #cccccc;
    --border-gold: rgba(212, 175, 55, 0.3);
    --border-blue: rgba(26, 74, 122, 0.2);
    
    /* Shadow Colors */
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    --shadow-dark: rgba(0, 0, 0, 0.2);
    --shadow-blue: rgba(26, 74, 122, 0.1);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-circle: 50%;
    --radius-pill: 50px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background: linear-gradient(135deg, #f0f5ff 0%, #f8f9fa 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header Styles - Matching Other Pages */
.header {
    background: linear-gradient(135deg, var(--primary-blue2) 0%, var(--primary-blue-dark) 100%);
    backdrop-filter: blur(10px);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 15px var(--shadow-medium);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 50px;
    width: auto;
    transition: transform var(--transition-normal);
    animation: roll 10s infinite;
}
@keyframes roll{
    20%{
        transform: rotate(360deg);
        scale: 0.75;
    }
    40%{
        transform: rotate(360deg);
        scale: 1;
    }
    60%{
        transform: rotate(360deg);
        scale: 1;
    }
    80%{
        transform: rotate(360deg);
        scale: 1.05;
    }
    100%{
        transform: rotate(360deg);
        scale: 1;
    }
}

.logo img:hover {
    transform: scale(1.05);
}

/* Desktop Navigation - Matching Other Pages */
.desktop-nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.desktop-nav a {
    color: var(--text-white);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
    position: relative;
}

.desktop-nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.desktop-nav a.active {
    /* background-color: var(--secondary-gold); */
    color: var(--text-white);
    font-weight: 600;
}

.desktop-nav a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background-color: var(--secondary-gold);
    border-radius: var(--radius-sm);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    transition: color var(--transition-normal);
}

.mobile-menu-toggle:hover {
    color: var(--secondary-gold);
}

/* Mobile Navigation */
.mobile-nav {
    display: none;
    background: linear-gradient(135deg, var(--primary-blue-dark) 0%, #0a1e33 100%);
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    z-index: 999;
    box-shadow: 0 4px 20px var(--shadow-dark);
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.mobile-nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-nav ul {
    list-style: none;
    padding: var(--spacing-md);
}

.mobile-nav li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-nav li:last-child {
    border-bottom: none;
}

.mobile-nav a {
    display: block;
    color: var(--text-white);
    text-decoration: none;
    padding: var(--spacing-sm);
    font-size: 1rem;
    transition: all var(--transition-normal);
}

.mobile-nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    padding-left: var(--spacing-lg);
}

.mobile-nav a.active {
    background-color: var(--secondary-gold);
    color: var(--text-dark);
    font-weight: 600;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: var(--spacing-xl) 0 var(--spacing-xxl);
}

.page-title {
    text-align: center;
    color: var(--primary-blue);
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    position: relative;
    font-weight: 700;
    letter-spacing: 1px;
}

.page-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-gold));
    border-radius: var(--radius-pill);
}

/* Timeline Navigation */
.timeline-nav {
    display: flex;
    overflow-x: auto;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-sm);
    scrollbar-width: thin;
    scrollbar-color: var(--secondary-gold) var(--bg-gray);
}

.timeline-nav::-webkit-scrollbar {
    height: 6px;
}

.timeline-nav::-webkit-scrollbar-track {
    background: var(--bg-gray);
    border-radius: var(--radius-pill);
}

.timeline-nav::-webkit-scrollbar-thumb {
    background: var(--secondary-gold);
    border-radius: var(--radius-pill);
}

.timeline-btn {
    flex-shrink: 0;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-white);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-pill);
    color: var(--text-light);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.timeline-btn:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    transform: translateY(-2px);
}

.timeline-btn.active {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    color: var(--text-white);
    border-color: transparent;
    box-shadow: 0 4px 12px var(--shadow-blue);
}

/* History Content */
.history-content {
    max-width: 1100px;
    margin: 0 auto;
}

/* Timeline */
.timeline {
    position: relative;
    padding: var(--spacing-xl) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 4px;
    background: linear-gradient(to bottom, var(--primary-blue), var(--secondary-gold));
    transform: translateX(-50%);
    border-radius: var(--radius-pill);
}

.timeline-item {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    margin-bottom: var(--spacing-xl);
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-normal);
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.marker-circle {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-gold) 100%);
    border-radius: var(--radius-circle);
    border: 4px solid var(--bg-white);
    box-shadow: 0 0 0 4px rgba(26, 74, 122, 0.1);
    transition: all var(--transition-normal);
}

.timeline-item:hover .marker-circle {
    transform: scale(1.2);
    box-shadow: 0 0 0 6px rgba(212, 175, 55, 0.2);
}

.marker-line {
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, rgba(26, 74, 122, 0.2), rgba(212, 175, 55, 0.2));
    position: absolute;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
}

.timeline-item:last-child .marker-line {
    display: none;
}

.timeline-content {
    width: 45%;
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: 0 5px 20px var(--shadow-light);
    position: relative;
    transition: all var(--transition-normal);
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: 55%;
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 55%;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 24px;
    width: 20px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-gold));
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: -20px;
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: -20px;
}

.timeline-year {
    color: var(--secondary-gold);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.timeline-title {
    color: var(--primary-blue);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.timeline-text {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 1.05rem;
}

/* Historical Details */
.historical-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.detail-section {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: 0 5px 20px var(--shadow-light);
    transition: all var(--transition-normal);
    border-top: 4px solid var(--secondary-gold);
}

.detail-section:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-medium);
}

.detail-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.detail-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    border-radius: var(--radius-circle);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.3rem;
}

.detail-title {
    color: var(--primary-blue);
    font-size: 1.4rem;
    font-weight: 600;
}

.detail-content p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 1.05rem;
}

/* History Quote */
.history-quote {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
    color: var(--text-white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.history-quote::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 Q50,100 100,0 L100,100 L0,100 Z" fill="rgba(255,255,255,0.1)"/></svg>');
    background-size: cover;
}

.history-quote blockquote {
    position: relative;
    z-index: 1;
}

.history-quote p {
    font-size: 1.8rem;
    font-style: italic;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    line-height: 1.6;
}

.history-quote cite {
    font-size: 1.1rem;
    opacity: 0.9;
    font-style: normal;
}

.fa-quote-left {
    font-size: 2rem;
    color: var(--secondary-gold);
    opacity: 0.5;
    margin-bottom: var(--spacing-sm);
}

/* Statistics */
.statistics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.stat-item {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: 0 5px 20px var(--shadow-light);
    transition: all var(--transition-normal);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-medium);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
    font-family: 'Arial', sans-serif;
}

.stat-label {
    color: var(--text-light);
    font-size: 1.1rem;
    font-weight: 500;
}

/* Footer - Matching Other Pages */
.footer {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: var(--text-white);
    padding: var(--spacing-xl) 0;
    margin-top: auto;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-gold), var(--primary-blue-light));
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.footer-logo img {
    height: 80px;
    width: auto;
    opacity: 0.9;
    transition: opacity var(--transition-normal);
    /* filter: brightness(0) invert(1); */
}

.footer-logo img:hover {
    opacity: 1;
}

.footer-info {
    text-align: center;
}

.footer-info p {
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
    opacity: 0.9;
}

.footer-info p:last-child {
    margin-bottom: 0;
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-circle);
    color: var(--text-white);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.social-link:hover {
    background-color: var(--secondary-gold);
    transform: translateY(-3px) scale(1.1);
    color: var(--text-dark);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-title {
        font-size: 2.5rem;
    }
    
    .timeline-content {
        width: 48%;
    }
    
    .timeline-item:nth-child(odd) .timeline-content {
        margin-right: 52%;
    }
    
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 52%;
    }
    
    .timeline-year {
        font-size: 1.2rem;
    }
    
    .timeline-title {
        font-size: 1.3rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .desktop-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .mobile-nav {
        display: block;
    }
    
    .page-title {
        font-size: 2.2rem;
        margin-bottom: var(--spacing-md);
    }
    
    .timeline-nav {
        margin-bottom: var(--spacing-lg);
    }
    
    .timeline-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.85rem;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-marker {
        left: 30px;
    }
    
    .timeline-content {
        width: calc(100% - 70px);
        margin-left: 70px !important;
        text-align: left !important;
    }
    
    .timeline-item:nth-child(odd) .timeline-content::before,
    .timeline-item:nth-child(even) .timeline-content::before {
        left: -20px;
        right: auto;
    }
    
    .historical-details {
        grid-template-columns: 1fr;
    }
    
    .history-quote p {
        font-size: 1.5rem;
    }
    
    .statistics {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 1.8rem;
    }
    
    .timeline-btn {
        font-size: 0.8rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .timeline-content {
        padding: var(--spacing-md);
    }
    
    .timeline-year {
        font-size: 1.1rem;
    }
    
    .timeline-title {
        font-size: 1.2rem;
    }
    
    .timeline-text {
        font-size: 1rem;
    }
    
    .history-quote p {
        font-size: 1.3rem;
    }
    
    .statistics {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2.2rem;
    }
    
    .footer {
        padding: var(--spacing-lg) 0;
    }
    
    .footer-logo img {
        height: 60px;
    }
}

/* Animations */
@keyframes countUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.timeline-item {
    animation: countUp 0.6s ease forwards;
    opacity: 0;
}

.timeline-item:nth-child(1) { animation-delay: 0.1s; }
.timeline-item:nth-child(2) { animation-delay: 0.2s; }
.timeline-item:nth-child(3) { animation-delay: 0.3s; }
.timeline-item:nth-child(4) { animation-delay: 0.4s; }
.timeline-item:nth-child(5) { animation-delay: 0.5s; }
.timeline-item:nth-child(6) { animation-delay: 0.6s; }
.timeline-item:nth-child(7) { animation-delay: 0.7s; }
.timeline-item:nth-child(8) { animation-delay: 0.8s; }
.timeline-item:nth-child(9) { animation-delay: 0.9s; }
.timeline-item:nth-child(10) { animation-delay: 1.0s; }

.detail-section {
    animation: countUp 0.6s ease forwards;
    opacity: 0;
}

.detail-section:nth-child(1) { animation-delay: 1.1s; }
.detail-section:nth-child(2) { animation-delay: 1.2s; }
.detail-section:nth-child(3) { animation-delay: 1.3s; }

.history-quote {
    animation: countUp 0.8s ease 1.4s forwards;
    opacity: 0;
}

.stat-item {
    animation: countUp 0.6s ease forwards;
    opacity: 0;
}

.stat-item:nth-child(1) { animation-delay: 1.5s; }
.stat-item:nth-child(2) { animation-delay: 1.6s; }
.stat-item:nth-child(3) { animation-delay: 1.7s; }
.stat-item:nth-child(4) { animation-delay: 1.8s; }