/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

/* Navigation */
nav {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

nav .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #667eea;
    text-decoration: none;
    background: linear-gradient(45deg, #667eea, #764ba2);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #667eea;
}

/* Main Content */
main {
    margin-top: 80px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9), rgba(118, 75, 162, 0.9));
    color: white;
    padding: 4rem 0;
    text-align: center;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(45deg, #ff6b6b, #ee5a52);
    color: white;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.6);
}

/* Content Sections */
.content-section {
    padding: 4rem 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    margin: 2rem 0;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 3rem;
    margin: 3rem 0;
}

.article-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.article-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.card-content {
    padding: 2rem;
}

.card-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.card-content p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.read-more {
    color: #667eea;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: #764ba2;
}

/* Article Page Styles */
.article-hero {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9), rgba(118, 75, 162, 0.9));
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.article-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.article-meta {
    opacity: 0.9;
    font-size: 1.1rem;
}

.article-content {
    background: white;
    padding: 4rem 0;
    line-height: 1.8;
}

.article-content h2 {
    color: #333;
    font-size: 2rem;
    margin: 2rem 0 1rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid #667eea;
}

.article-content h3 {
    color: #444;
    font-size: 1.5rem;
    margin: 1.5rem 0 1rem 0;
}

.article-content p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: #555;
}

.article-content ul, .article-content ol {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.article-content li {
    margin-bottom: 0.5rem;
    color: #555;
}

.article-content blockquote {
    background: #f8f9fa;
    border-left: 5px solid #667eea;
    padding: 1rem 2rem;
    margin: 2rem 0;
    font-style: italic;
    color: #666;
}

.highlight-box {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 2rem;
    border-radius: 15px;
    margin: 2rem 0;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.stat-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: #667eea;
    display: block;
}

.stat-label {
    color: #666;
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

/* Footer */
footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem;
}

footer p {
    opacity: 0.8;
}

footer a {
    color: #667eea;
    text-decoration: none;
}

footer a:hover {
    color: #764ba2;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .articles-grid {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
    }

    .container {
        padding: 0 1rem;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

/* Custom link styles */
.external-link {
    color: #667eea;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-bottom 0.3s ease;
}

.external-link:hover {
    border-bottom: 1px solid #667eea;
}