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

:root {
    --primary-color: #2c5aa0;
    --secondary-color: #ffa500;
    --accent-color: #ff6b6b;
    --light-bg: #f8f9fa;
    --dark-text: #333333;
    --border-color: #e0e0e0;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
    background-color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 1rem;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--secondary-color);
    border-bottom: 2px solid var(--secondary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e3c72 100%);
    color: white;
    padding: 100px 20px;
    text-align: center;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: fadeInDown 0.8s ease;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e3c72 100%);
    color: white;
    padding: 60px 20px;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
    font-weight: 600;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: #ff8c00;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 165, 0, 0.4);
}

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

.btn-secondary:hover {
    background-color: #1e3c72;
    transform: translateY(-2px);
}

/* Featured Section */
.featured {
    padding: 80px 20px;
    background-color: var(--light-bg);
}

.featured h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

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

.article-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    padding: 2rem;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.article-image {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 1.5rem;
}

.article-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.article-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.read-more {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.read-more:hover {
    color: var(--primary-color);
    margin-left: 0.5rem;
}

/* Stats Section */
.stats {
    padding: 80px 20px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e3c72 100%);
    color: white;
}

.stats .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat h3 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.stat p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Articles Section */
.articles-section {
    padding: 60px 20px;
}

.articles-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.article-item {
    display: flex;
    gap: 2rem;
    background: white;
    padding: 2rem;
    border-radius: 10px;
    border-left: 4px solid var(--secondary-color);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.article-item:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    transform: translateX(5px);
}

.article-icon {
    font-size: 3rem;
    min-width: 100px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.article-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.6rem;
}

.article-date {
    color: #999;
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.article-content p {
    color: #333;
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-size: 1.05rem;
}

/* About Section */
.about-section {
    padding: 60px 20px;
}

.about-content h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin: 2rem 0 1rem 0;
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: #555;
}

.features-list,
.importance-list {
    list-style: none;
    margin: 1.5rem 0;
    padding-left: 0;
}

.features-list li,
.importance-list li {
    padding: 0.8rem 0;
    padding-left: 30px;
    position: relative;
    color: #555;
}

.features-list li:before,
.importance-list li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

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

.team-member {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
}

.member-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.team-member h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.team-member p {
    color: #666;
    font-size: 0.95rem;
}

.contact-info {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 10px;
    border-left: 4px solid var(--secondary-color);
}

.contact-info p {
    margin: 0.8rem 0;
}

/* Article Detail Page */
.article-detail {
    padding: 60px 20px;
}

.article-detail h1 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.article-detail .article-meta {
    color: #999;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.article-detail .article-body {
    max-width: 100%;
    line-height: 1.9;
    color: #222;
    font-size: 1.1rem;
}

.article-detail .article-body p {
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    color: #333;
}

.article-detail .article-body h2 {
    color: var(--primary-color);
    margin: 2rem 0 1rem 0;
    font-size: 1.8rem;
}

.article-detail .article-body ul {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.article-detail .article-body li {
    margin-bottom: 0.8rem;
    color: #333;
    font-size: 1rem;
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: white;
    padding: 2rem;
    text-align: center;
    margin-top: 4rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .featured h2 {
        font-size: 1.8rem;
    }

    .article-item {
        flex-direction: column;
        gap: 1rem;
    }

    .article-icon {
        min-width: auto;
    }

    .stats .container {
        grid-template-columns: 1fr;
    }

    .page-header h1 {
        font-size: 1.8rem;
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}