* {
    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-color: #f8f9fa;
}

/* Header Styles */
header {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo h1 {
    font-size: 2rem;
    margin-bottom: 0.2rem;
}

.logo p {
    font-size: 0.9rem;
    opacity: 0.9;
}

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

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

nav a:hover {
    opacity: 0.8;
}

/* Main Content */
main {
    margin-top: 120px;
    padding: 2rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

/* Hero Section */
#hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 2rem;
    text-align: center;
    border-radius: 15px;
    margin-bottom: 3rem;
}

.hero-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Articles Grid */
.articles-grid {
    margin-bottom: 3rem;
}

.articles-grid h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
    color: #2a5298;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.article-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.article-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.article-content {
    padding: 1.5rem;
}

.article-content h3 {
    margin-bottom: 1rem;
    color: #2a5298;
    font-size: 1.3rem;
}

.article-content p {
    margin-bottom: 1rem;
    color: #666;
}

.read-more {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.7rem 1.5rem;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 500;
    transition: opacity 0.3s;
}

.read-more:hover {
    opacity: 0.9;
}

/* Expert Section */
.expert-section {
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    margin-bottom: 3rem;
}

.expert-content {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.expert-content img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
}

.expert-info h3 {
    font-size: 2rem;
    color: #2a5298;
    margin-bottom: 0.5rem;
}

.title {
    font-size: 1.2rem;
    color: #667eea;
    font-weight: 600;
    margin-bottom: 1rem;
}

.expert-info p {
    margin-bottom: 1rem;
    color: #666;
    line-height: 1.8;
}

.contact-info {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 10px;
    border-left: 4px solid #667eea;
}

.contact-info p {
    margin-bottom: 0.5rem;
}

.contact-info strong {
    color: #2a5298;
}

/* Footer */
footer {
    background: #2a5298;
    color: white;
    padding: 3rem 2rem 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

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

.footer-section a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-section a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    opacity: 0.8;
}

/* Article Page Styles */
.article-header {
    text-align: center;
    margin-bottom: 3rem;
}

.article-header h1 {
    font-size: 2.5rem;
    color: #2a5298;
    margin-bottom: 1rem;
}

.article-meta {
    color: #666;
    font-size: 0.9rem;
}

.article-body {
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    line-height: 1.8;
}

.article-body h2 {
    color: #2a5298;
    margin: 2rem 0 1rem;
    font-size: 1.5rem;
}

.article-body h3 {
    color: #667eea;
    margin: 1.5rem 0 1rem;
    font-size: 1.3rem;
}

.article-body p {
    margin-bottom: 1.5rem;
    color: #444;
}

.highlight-box {
    background: linear-gradient(135deg, #667eea20 0%, #764ba220 100%);
    padding: 2rem;
    border-radius: 10px;
    border-left: 4px solid #667eea;
    margin: 2rem 0;
}

.expert-quote {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    font-style: italic;
    border-left: 4px solid #2a5298;
    margin: 2rem 0;
}

.contact-cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    margin: 3rem 0;
}

.contact-cta h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.contact-cta .phone {
    font-size: 1.3rem;
    font-weight: bold;
    margin-top: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 1rem;
    }
    
    nav ul {
        gap: 1rem;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .expert-content {
        flex-direction: column;
        text-align: center;
    }
    
    .expert-content img {
        width: 150px;
        height: 150px;
    }
    
    .article-body {
        padding: 2rem;
    }
    
    main {
        padding: 1rem;
        margin-top: 140px;
    }
}