/* --- Modern CSS with Variables, Flexbox, and Grid --- */
:root {
    /* Color Palette - Modern Islamic-inspired colors */
    --primary-color: #1e4258; /* Deep Teal Blue */
    --secondary-color: #3498db; /* Bright Blue */
    --accent-color: #27ae60; /* Emerald Green */
    --light-color: #f8f9fa;
    --dark-color: #2c3e50;
    --text-color: #333333;
    --text-light: #6c757d;
    --card-bg: #ffffff;
    --section-bg: #f8f9fa;
    
    /* Typography */
    --heading-font: 'Playfair Display', serif;
    --body-font: 'Poppins', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
    
    /* Effects */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --box-shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
    --box-shadow-md: 0 5px 15px rgba(0, 0, 0, 0.08);
    --box-shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--light-color);
    font-size: 16px;
    overflow-x: hidden;
}

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

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    color: var(--dark-color);
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-color);
}

ul, ol {
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

li {
    margin-bottom: var(--spacing-xs);
}

.numbered-list {
    counter-reset: item;
    list-style-type: none;
    padding-left: 0;
}

.numbered-list li {
    position: relative;
    padding-left: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.numbered-list li:before {
    content: counter(item);
    counter-increment: item;
    position: absolute;
    left: 0;
    top: 0;
    background-color: var(--accent-color);
    color: white;
    width: 1.8rem;
    height: 1.8rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.note {
    background-color: rgba(39, 174, 96, 0.1);
    border-left: 4px solid var(--accent-color);
    padding: var(--spacing-sm) var(--spacing-md);
    margin: var(--spacing-md) 0;
    border-radius: var(--border-radius-sm);
}

/* --- Header & Navigation --- */
header {
    background-color: var(--primary-color);
    color: var(--light-color);
    box-shadow: var(--box-shadow-md);
    position: relative;
}

.navbar {
    padding: var(--spacing-sm) 0;
}

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

.navbar-brand {
    display: flex;
    align-items: center;
    font-family: var(--heading-font);
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--light-color);
}

.navbar-brand i {
    margin-right: var(--spacing-xs);
    font-size: 1.5rem;
    color: var(--accent-color);
}

.navbar-brand:hover {
    color: var(--light-color);
    text-decoration: none;
}

.navbar-toggler {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.navbar-toggler span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--light-color);
    margin: 5px 0;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.navbar-menu ul {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
}

.navbar-menu li {
    margin: 0 var(--spacing-sm);
    margin-bottom: 0;
}

.navbar-menu a {
    color: var(--light-color);
    padding: var(--spacing-xs) 0;
    position: relative;
    font-weight: 500;
    display: flex;
    align-items: center;
}

.navbar-menu a i {
    margin-right: 6px;
    font-size: 0.9rem;
}

.navbar-menu a:hover {
    color: var(--accent-color);
    text-decoration: none;
}

.navbar-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width var(--transition-normal);
}

.navbar-menu a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(30, 66, 88, 0.85), rgba(30, 66, 88, 0.85)), url('images/card-img.png') no-repeat center center/cover;
    color: var(--light-color);
    padding: var(--spacing-xl) 0;
    text-align: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: linear-gradient(to top right, var(--light-color) 49%, transparent 51%);
}

.hero h1 {
    color: var(--light-color);
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    animation: fadeInDown 1s ease-out;
}

.hero p {
    font-size: 1.25rem;
    font-weight: 300;
    max-width: 700px;
    margin: 0 auto;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Main Content --- */
main {
    padding: var(--spacing-xl) 0;
}

.content-section {
    margin-bottom: var(--spacing-xl);
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.content-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.section-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.section-icon {
    font-size: 2rem;
    color: var(--accent-color);
    margin-right: var(--spacing-sm);
}

.section-header h2 {
    margin-bottom: 0;
    position: relative;
}

.section-header::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.resource-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow-sm);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-md);
}

.card-header {
    background-color: var(--primary-color);
    color: var(--light-color);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
}

.card-header i {
    font-size: 1.5rem;
    margin-right: var(--spacing-sm);
    color: var(--accent-color);
}

.card-header h3 {
    color: var(--light-color);
    margin-bottom: 0;
    font-size: 1.4rem;
}

.card-content {
    padding: var(--spacing-md);
}

.card-content h4 {
    color: var(--primary-color);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.card-content ul {
    list-style-type: disc;
}

.resource-card.full-width {
    grid-column: 1 / -1;
}

/* --- Footer --- */
footer {
    background-color: var(--primary-color);
    color: var(--light-color);
    padding: var(--spacing-lg) 0;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: linear-gradient(to bottom right, var(--light-color) 49%, transparent 51%);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding-top: var(--spacing-md);
}

.footer-logo {
    display: flex;
    align-items: center;
    font-family: var(--heading-font);
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: var(--spacing-md);
}

.footer-logo i {
    font-size: 1.8rem;
    margin-right: var(--spacing-xs);
    color: var(--accent-color);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.footer-links a {
    color: var(--light-color);
    margin: 0 var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    position: relative;
}

.footer-links a:hover {
    color: var(--accent-color);
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--accent-color);
    transition: width var(--transition-normal);
}

.footer-links a:hover::after {
    width: 100%;
}

.copyright {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* --- Responsive Design --- */
@media (max-width: 992px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
    
    .hero h1 { font-size: 2.8rem; }
    .hero p { font-size: 1.1rem; }
    
    .section-icon { font-size: 1.8rem; }
}

@media (max-width: 768px) {
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.3rem; }
    
    .hero h1 { font-size: 2.5rem; }
    .hero p { font-size: 1rem; }
    
    .navbar-toggler {
        display: block;
    }
    
    .navbar-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--primary-color);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-normal);
        z-index: 100;
        box-shadow: var(--box-shadow-md);
    }
    
    .navbar-menu.active {
        max-height: 500px;
    }
    
    .navbar-menu ul {
        flex-direction: column;
        padding: var(--spacing-sm) 0;
    }
    
    .navbar-menu li {
        margin: 0;
        text-align: center;
    }
    
    .navbar-menu a {
        padding: var(--spacing-sm);
        display: flex;
        justify-content: center;
    }
    
    .navbar-menu a::after {
        display: none;
    }
    
    .resource-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
    }
    
    .footer-links a {
        margin: var(--spacing-xs) 0;
    }
}

@media (max-width: 576px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.6rem; }
    h3 { font-size: 1.2rem; }
    
    .hero h1 { font-size: 2.2rem; }
    .hero::before, footer::before {
        height: 40px;
    }
    
    .section-header {
        flex-direction: column;
        text-align: center;
    }
    
    .section-icon {
        margin-right: 0;
        margin-bottom: var(--spacing-xs);
    }
    
    .section-header::after {
        left: 50%;
        transform: translateX(-50%);
    }
}

/* --- Mobile Nav Toggler Animation --- */
.navbar-toggler.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.navbar-toggler.active span:nth-child(2) {
    opacity: 0;
}
.navbar-toggler.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}