/* Reset and Base 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-color: #f8f9fa;
}

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

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

.navbar {
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(45deg, #fff, #a8d0ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

.nav-menu a:hover {
    color: #a8d0ff;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 100px 0;
    text-align: center;
}

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

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-align: center;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(45deg, #007bff, #0056b3);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(45deg, #0056b3, #003d82);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,123,255,0.3);
}

.btn-secondary {
    background: linear-gradient(45deg, #6c757d, #495057);
    color: white;
}

.btn-secondary:hover {
    background: linear-gradient(45deg, #495057, #343a40);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(108,117,125,0.3);
}

.btn-outline {
    background: transparent;
    border: 2px solid #007bff;
    color: #007bff;
}

.btn-outline:hover {
    background: #007bff;
    color: white;
    transform: translateY(-2px);
}

/* Section Styles */
section {
    padding: 80px 0;
}

section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
    position: relative;
}

section h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(45deg, #007bff, #0056b3);
    margin: 1rem auto;
    border-radius: 2px;
}

/* News Section */
.featured-news {
    background: white;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.news-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-left: 4px solid #007bff;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.news-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.news-card p {
    color: #6c757d;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.read-more {
    color: #007bff;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: #0056b3;
}

/* Education Section */
.education-section {
    background: #f8f9fa;
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.education-card {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.education-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.education-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.education-card p {
    color: #6c757d;
    margin-bottom: 2rem;
    line-height: 1.6;
}

/* Exchange Partners Section */
.exchange-partners {
    background: white;
}

.disclaimer {
    text-align: center;
    color: #6c757d;
    font-style: italic;
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.partner-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 3rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #dee2e6;
}

.partner-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.partner-card h3 {
    color: #2c3e50;
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.partner-card p {
    color: #6c757d;
    margin-bottom: 2rem;
    line-height: 1.6;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-section h4 {
    color: #ecf0f1;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-section p {
    color: #bdc3c7;
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #ecf0f1;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 1rem;
    text-align: center;
    color: #bdc3c7;
}

/* Page Header Styles */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0 60px;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* News Articles Styles */
.news-articles {
    padding: 80px 0;
    background: #f8f9fa;
}

.articles-grid {
    display: grid;
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.article-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px 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 10px 30px rgba(0,0,0,0.15);
}

.article-card.featured {
    border-left: 5px solid #007bff;
}

.article-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem 0;
    margin-bottom: 1rem;
}

.article-category {
    background: linear-gradient(45deg, #007bff, #0056b3);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-date {
    color: #6c757d;
    font-size: 0.9rem;
    font-weight: 500;
}

.article-card h2 {
    color: #2c3e50;
    font-size: 1.8rem;
    margin: 0 2rem 1.5rem;
    line-height: 1.3;
}

.article-content {
    padding: 0 2rem 2rem;
    color: #333;
    line-height: 1.7;
}

.article-content h3 {
    color: #2c3e50;
    font-size: 1.3rem;
    margin: 2rem 0 1rem;
    border-bottom: 2px solid #e9ecef;
    padding-bottom: 0.5rem;
}

.article-content h4 {
    color: #495057;
    font-size: 1.1rem;
    margin: 1.5rem 0 0.5rem;
}

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

.article-content ul {
    margin: 1rem 0 1.5rem 1.5rem;
}

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

.article-content strong {
    color: #2c3e50;
}

/* Education Page Styles */
.education-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 100px 0;
    text-align: center;
}

.education-content {
    padding: 80px 0;
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.course-card {
    background: white;
    border-radius: 15px;
    padding: 2.5rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.course-level {
    display: inline-block;
    background: linear-gradient(45deg, #28a745, #20c997);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.course-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.course-topics {
    margin: 1.5rem 0;
}

.course-topics h4 {
    color: #495057;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.course-topics ul {
    list-style: none;
    padding: 0;
}

.course-topics li {
    padding: 0.3rem 0;
    color: #6c757d;
    position: relative;
    padding-left: 1.5rem;
}

.course-topics li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #28a745;
    font-weight: bold;
}

/* Disclaimer Section */
.disclaimer-section {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 2px solid #e9ecef;
}

.disclaimer-card {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    border: 2px solid #ffc107;
    border-radius: 15px;
    padding: 2.5rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.disclaimer-card h3 {
    color: #856404;
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
}

.disclaimer-card p {
    color: #856404;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.disclaimer-card strong {
    color: #495057;
}

/* Contact Form Styles */
.contact-form {
    background: white;
    border-radius: 15px;
    padding: 3rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #2c3e50;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #007bff;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Content Page Styles */
.content-section {
    padding: 80px 0;
    background: white;
}

.content-section:nth-child(even) {
    background: #f8f9fa;
}

.content-container {
    max-width: 800px;
    margin: 0 auto;
}

.content-container h2 {
    color: #2c3e50;
    margin-bottom: 2rem;
    font-size: 2rem;
    border-bottom: 3px solid #007bff;
    padding-bottom: 1rem;
}

.content-container h3 {
    color: #495057;
    margin: 2rem 0 1rem;
    font-size: 1.4rem;
}

.content-container p {
    color: #6c757d;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.content-container ul {
    margin: 1rem 0 1.5rem 2rem;
}

.content-container li {
    color: #6c757d;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

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

.contact-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.contact-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.contact-card p {
    color: #6c757d;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

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

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .news-grid,
    .education-grid {
        grid-template-columns: 1fr;
    }

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

    section {
        padding: 60px 0;
    }

    section h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 60px 0;
    }

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

    .news-card,
    .education-card,
    .partner-card {
        padding: 1.5rem;
    }
}