/* CSS Variables (Root Colors) */
:root {
    /* Primary Colors */
    --primary-blue: #1a4a7a;
    --primary-blue2: #53729160;
    --primary-blue-dark: #0d2c4a;
    --primary-blue-light: #2a6ab0;
    
    /* Secondary Colors */
    --secondary-gold: #d4af37;
    --secondary-gold-dark: #b8941f;
    
    /* Background Colors */
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --bg-gray: #f0f2f5;
    
    /* Text Colors */
    --text-dark: #333333;
    --text-light: #666666;
    --text-white: #ffffff;
    
    /* Border Colors */
    --border-light: #e0e0e0;
    --border-medium: #cccccc;
    
    /* 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);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* 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: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

/* Header Styles */
.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 */
.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-color: var(--primary-blue-dark);
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    z-index: 999;
    box-shadow: 0 4px 12px 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;
    background-color: var(--bg-white);
}

.page-title {
    text-align: center;
    color: var(--primary-blue);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-sm);
    position: relative;
}

.page-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background-color: var(--secondary-gold);
    border-radius: var(--radius-sm);
}

/* Reading Grid */
.reading-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.reading-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.reading-card {
    background-color: var(--bg-gray);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-decoration: none;
    color: var(--text-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 180px;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.reading-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-gold));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.reading-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px var(--shadow-medium);
    border-color: var(--primary-blue-light);
    background-color: var(--bg-white);
}

.reading-card:hover::before {
    transform: scaleX(1);
}

.reading-card h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
    color: var(--primary-blue);
    font-weight: 600;
}

.reading-card i {
    font-size: 2.5rem;
    color: var(--secondary-gold);
    margin-bottom: var(--spacing-sm);
    transition: transform var(--transition-normal);
}

.reading-card:hover i {
    transform: scale(1.2) rotate(5deg);
}

.empty-card {
    background: linear-gradient(135deg, var(--bg-gray), #e8f4ff);
    border: 2px dashed var(--border-medium);
    cursor: default;
}

.empty-card:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--border-medium);
    background: linear-gradient(135deg, var(--bg-gray), #e8f4ff);
}

/* Description */
.description {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    background-color: var(--bg-gray);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--secondary-gold);
}

.description p {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* Footer */
.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);
}

.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: 50%;
    color: var(--text-white);
    text-decoration: none;
    transition: all var(--transition-normal);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .reading-grid {
        gap: var(--spacing-md);
    }
    
    .reading-card {
        min-height: 160px;
        padding: var(--spacing-md);
    }
    
    .reading-card h3 {
        font-size: 1.1rem;
    }
}

@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: 2rem;
        margin-bottom: var(--spacing-lg);
    }
    
    .reading-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .reading-card {
        min-height: 140px;
        padding: var(--spacing-md);
    }
    
    .reading-card h3 {
        font-size: 1rem;
    }
    
    .reading-card i {
        font-size: 2rem;
    }
    
    .description {
        padding: var(--spacing-md);
    }
    
    .description p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 1.8rem;
    }
    
    .reading-card {
        min-height: 120px;
        padding: var(--spacing-sm);
    }
    
    .reading-card h3 {
        font-size: 0.95rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .reading-card i {
        font-size: 1.8rem;
    }
    
    .footer {
        padding: var(--spacing-lg) 0;
    }
    
    .footer-logo img {
        height: 60px;
    }
}

/* Animation for page load */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reading-card {
    animation: fadeInUp 0.6s ease forwards;
}

.reading-card:nth-child(1) { animation-delay: 0.1s; }
.reading-card:nth-child(2) { animation-delay: 0.2s; }
.reading-card:nth-child(3) { animation-delay: 0.3s; }
.reading-card:nth-child(4) { animation-delay: 0.4s; }
.reading-card:nth-child(5) { animation-delay: 0.5s; }
.reading-card:nth-child(6) { animation-delay: 0.6s; }
.reading-card:nth-child(7) { animation-delay: 0.7s; }
.reading-card:nth-child(8) { animation-delay: 0.8s; }