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

:root {
    /* Primary Colors - Modern Purple/Blue Gradient */
    --primary-color: #667eea;
    --primary-dark: #5a67d8;
    --primary-light: #7c3aed;
    --secondary-color: #f093fb;
    --accent-color: #4facfe;
    --success-color: #48bb78;
    --warning-color: #ed8936;
    --error-color: #f56565;
    
    /* Neutrals - Warmer grays */
    --white: #ffffff;
    --gray-50: #fafafa;
    --gray-100: #f4f4f5;
    --gray-200: #e4e4e7;
    --gray-300: #d4d4d8;
    --gray-400: #a1a1aa;
    --gray-500: #71717a;
    --gray-600: #52525b;
    --gray-700: #3f3f46;
    --gray-800: #27272a;
    --gray-900: #18181b;
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Playfair Display', serif;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 80px 0;
    --border-radius: 12px;
    --border-radius-lg: 20px;
    
    /* Shadows - Enhanced */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--primary-light));
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme Variables - Updated */
[data-theme="dark"] {
    --white: #0f0f23;
    --gray-50: #1a1a2e;
    --gray-100: #16213e;
    --gray-200: #1f2937;
    --gray-300: #374151;
    --gray-400: #6b7280;
    --gray-500: #9ca3af;
    --gray-600: #d1d5db;
    --gray-700: #e5e7eb;
    --gray-800: #f3f4f6;
    --gray-900: #ffffff;
    
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    transition: var(--transition);
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--gray-900);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 16px;
    line-height: 1;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: var(--gradient-secondary);
}

.btn-secondary {
    background: var(--white);
    color: var(--gray-800);
    border: 2px solid var(--gray-200);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    font-family: var(--font-display);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.theme-toggle,
.search-btn,
.mobile-menu-btn {
    background: none;
    border: none;
    padding: 8px;
    border-radius: var(--border-radius);
    cursor: pointer;
    color: var(--gray-600);
    transition: var(--transition);
}

.theme-toggle:hover,
.search-btn:hover,
.mobile-menu-btn:hover {
    background: var(--gray-100);
    color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
}

/* Search Overlay */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.search-overlay.active {
    opacity: 1;
    visibility: visible;
}

.search-container {
    position: relative;
    width: 100%;
    max-width: 600px;
    margin: 0 20px;
}

.search-input {
    width: 100%;
    padding: 20px 60px 20px 20px;
    font-size: 24px;
    border: none;
    border-radius: var(--border-radius-lg);
    background: var(--white);
    color: var(--gray-800);
    outline: none;
}

.search-close {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--gray-500);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    color: var(--white);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
}

.hero-shapes {
    position: relative;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    bottom: 20%;
    left: 10%;
    animation-delay: 2s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    top: 50%;
    left: 50%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-container {
    position: relative;
    z-index: 2;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.1;
}

.hero p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 32px;
    font-weight: 700;
    font-family: var(--font-display);
}

.stat-label {
    font-size: 14px;
    opacity: 0.8;
}

/* Section Styles */
section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    padding: 6px 12px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 16px;
    color: var(--gray-900);
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* Featured Section */
.featured-section {
    background: var(--gray-50);
}

.featured-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.featured-main {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.featured-main:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.featured-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.featured-main:hover .featured-image img {
    transform: scale(1.05);
}

.featured-overlay {
    position: absolute;
    top: 20px;
    left: 20px;
}

.featured-category {
    padding: 6px 12px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
}

.featured-content {
    padding: 30px;
}

.featured-content h3 {
    font-size: 24px;
    margin-bottom: 16px;
    color: var(--gray-900);
}

.featured-content p {
    color: var(--gray-600);
    margin-bottom: 24px;
    line-height: 1.6;
}

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

.author-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.author-name {
    display: block;
    font-weight: 600;
    color: var(--gray-900);
}

.publish-date {
    font-size: 14px;
    color: var(--gray-500);
}

.article-stats {
    display: flex;
    gap: 16px;
    font-size: 14px;
    color: var(--gray-500);
}

.featured-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.featured-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}

.featured-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.featured-card-image {
    height: 120px;
    overflow: hidden;
}

.featured-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.featured-card:hover .featured-card-image img {
    transform: scale(1.05);
}

.featured-card-content {
    padding: 20px;
}

.card-category {
    display: inline-block;
    padding: 4px 8px;
    background: var(--gray-100);
    color: var(--gray-600);
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    margin-bottom: 8px;
}

.featured-card h4 {
    font-size: 16px;
    margin-bottom: 12px;
    color: var(--gray-900);
    line-height: 1.4;
}

.card-meta {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--gray-500);
}

/* Categories Section */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.category-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.category-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--white);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.category-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--gray-900);
}

.category-card p {
    color: var(--gray-600);
    margin-bottom: 16px;
}

.category-count {
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 600;
}

/* Articles Section */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
    margin-bottom: 60px;
}

.article-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
}

.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    opacity: 0;
    transition: var(--transition);
    z-index: 1;
}

.article-card:hover::before {
    opacity: 0.05;
}

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

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

.article-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 48px;
    position: relative;
    overflow: hidden;
}

.article-content {
    padding: 24px;
}

.article-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    font-size: 14px;
    color: var(--gray-500);
}

.article-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--gray-900);
    line-height: 1.4;
}

.article-excerpt {
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 20px;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.read-more:hover {
    gap: 12px;
}

.load-more-container {
    text-align: center;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-features {
    margin: 40px 0;
}

.feature {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius);
    background: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-content h4 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--gray-900);
}

.feature-content p {
    color: var(--gray-600);
}

.about-visual {
    position: relative;
}

.about-image {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

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

.about-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.decoration-item {
    position: absolute;
    border-radius: 50%;
    background: var(--primary-color);
    opacity: 0.1;
}

.decoration-1 {
    width: 100px;
    height: 100px;
    top: -50px;
    right: -50px;
}

.decoration-2 {
    width: 60px;
    height: 60px;
    bottom: -30px;
    left: -30px;
}

.decoration-3 {
    width: 80px;
    height: 80px;
    top: 50%;
    right: -40px;
}

/* Testimonials Section */
.testimonials-section {
    background: var(--gray-50);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.testimonial-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.testimonial-content {
    margin-bottom: 24px;
}

.stars {
    color: var(--secondary-color);
    margin-bottom: 16px;
}

.testimonial-content p {
    color: var(--gray-600);
    line-height: 1.6;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.testimonial-author .author-avatar {
    width: 50px;
    height: 50px;
}

.testimonial-author h5 {
    font-size: 16px;
    margin-bottom: 4px;
    color: var(--gray-900);
}

.testimonial-author span {
    font-size: 14px;
    color: var(--gray-500);
}

/* Newsletter Section */
.newsletter-section {
    background: var(--gradient-primary);
    color: var(--white);
}

.newsletter-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-text h2 {
    font-size: 36px;
    margin-bottom: 16px;
    color: var(--white);
}

.newsletter-text p {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.newsletter-form .form-group {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.newsletter-input {
    flex: 1;
    padding: 16px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    outline: none;
    background: var(--white);
    color: var(--gray-800);
}

.newsletter-btn {
    padding: 16px 24px;
    background: var(--accent-color);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.newsletter-btn:hover {
    background: #d946ef;
    transform: translateY(-2px);
}

.newsletter-privacy {
    font-size: 14px;
    opacity: 0.8;
}

.newsletter-privacy a {
    color: var(--white);
    text-decoration: underline;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    font-family: var(--font-display);
    margin-bottom: 16px;
}

.footer-brand p {
    margin-bottom: 24px;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gray-800);
    color: var(--gray-400);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 18px;
}

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

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: 20px;
}

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

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

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

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .featured-grid {
        grid-template-columns: 1fr;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-10px);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        gap: 20px;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .categories-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .newsletter-form .form-group {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .featured-card-content,
    .article-content {
        padding: 20px;
    }
    
    .testimonial-card {
        padding: 24px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

/* Blog Details Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    padding: 20px;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: var(--transition);
    box-shadow: var(--shadow-2xl);
}

.modal-overlay.active .modal-container {
    transform: scale(1) translateY(0);
}

.modal-header {
    position: sticky;
    top: 0;
    background: var(--white);
    padding: 20px 30px 0;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    z-index: 10;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: var(--gray-100);
    border: none;
    border-radius: 50%;
    color: var(--gray-600);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 20;
}

.modal-close:hover {
    background: var(--gray-200);
    color: var(--gray-800);
    transform: rotate(90deg);
}

.modal-content {
    padding: 0 30px 30px;
}

.blog-details {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.blog-hero {
    text-align: center;
    padding: 40px 0 20px;
}

.blog-category {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.blog-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 20px;
    line-height: 1.2;
}

.blog-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    color: var(--gray-600);
    font-size: 14px;
}

.blog-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.blog-meta-item i {
    color: var(--primary-color);
}

.blog-image {
    width: 100%;
    height: 300px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 4rem;
    margin: 20px 0;
    position: relative;
    overflow: hidden;
}

.blog-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-container {
    animation: modalFadeIn 0.3s ease-out;
}

.blog-content {
    line-height: 1.8;
    color: var(--gray-700);
    font-size: 16px;
    max-width: 800px;
    margin: 0 auto;
}

.blog-content p {
    margin-bottom: 24px;
    font-size: 16px;
    line-height: 1.8;
}

.blog-content h3 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 40px 0 20px;
    font-family: var(--font-display);
    position: relative;
    padding-left: 20px;
}

.blog-content h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.blog-content ul, .blog-content ol {
    margin: 24px 0;
    padding-left: 24px;
}

.blog-content li {
    margin-bottom: 12px;
    line-height: 1.7;
}

.blog-content strong {
    color: var(--gray-900);
    font-weight: 600;
}

.blog-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 20px;
    margin: 24px 0;
    font-style: italic;
    color: var(--gray-600);
    background: var(--gray-50);
    padding: 20px;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.blog-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 30px 0;
    border-top: 1px solid var(--gray-200);
    margin-top: 30px;
}

.blog-stats {
    display: flex;
    gap: 20px;
}

.blog-stat {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-600);
    font-size: 14px;
}

.blog-stat i {
    color: var(--primary-color);
}

.blog-actions {
    display: flex;
    gap: 15px;
}

.blog-action-btn {
    padding: 10px 20px;
    border: 2px solid var(--gray-200);
    background: var(--white);
    color: var(--gray-700);
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.blog-action-btn.primary {
    background: var(--gradient-primary);
    color: var(--white);
    border-color: transparent;
}

.blog-action-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.knowledge-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #f9fafb, #f3f4f6);
  position: relative;
}

.knowledge-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 40px;
}

.knowledge-text {
  max-width: 600px;
}

.knowledge-list {
  margin: 20px 0;
}

.knowledge-item {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
  font-size: 1.1rem;
  color: #333;
}

.knowledge-item i {
  color: #6366f1;
  margin-right: 10px;
  font-size: 1.2rem;
}

.knowledge-footer {
  margin: 20px 0;
  font-weight: 500;
  color: #444;
}

.knowledge-visual img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 📱 Responsive Fix */
@media (max-width: 992px) {
  .knowledge-container {
    grid-template-columns: 1fr; /* stack text & image */
    text-align: center;
  }

  .knowledge-text {
    max-width: 100%;
    margin: 0 auto;
  }

  .knowledge-list {
    text-align: left;
    max-width: 500px;
    margin: 20px auto;
  }

  .knowledge-visual {
    order: -1; /* show image above text on small screens */
    margin-bottom: 20px;
  }

  .knowledge-visual img {
    max-width: 300px;
    margin: 0 auto;
  }
}


.impact-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f9fafb, #eef2ff);
    text-align: center;
}

.impact-section-bg {
    background: linear-gradient(135deg, #f9fafb, #eef2ff);
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.impact-card {
    background: #fff;
    padding: 30px 20px;
    border-radius: 20px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.impact-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px rgba(0,0,0,0.12);
}

.impact-card i {
    font-size: 2.5rem;
    color: #6366f1;
    margin-bottom: 15px;
}

.impact-card h3 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    color: #111827;
}

.impact-card p {
    margin-top: 8px;
    color: #6b7280;
    font-size: 1rem;
}

/* 📱 Responsive Fixes */
@media (max-width: 1024px) {
    .impact-grid {
        grid-template-columns: repeat(2, 1fr); /* 2 per row on tablets */
    }
}

@media (max-width: 600px) {
    .impact-grid {
        grid-template-columns: 1fr; /* stack cards on mobiles */
    }

    .impact-card {
        max-width: 320px;
        margin: 0 auto; /* center cards */
    }
}



/* Responsive Modal */
@media (max-width: 768px) {
    .modal-container {
        max-width: 95%;
        margin: 10px;
    }
    
    .modal-content {
        padding: 0 20px 20px;
    }
    
    .blog-title {
        font-size: 2rem;
    }
    
    .blog-meta {
        gap: 15px;
    }
    
    .blog-footer {
        flex-direction: column;
        gap: 20px;
        align-items: flex-start;
    }
    
    .blog-actions {
        width: 100%;
        justify-content: space-between;
    }
}