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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #334155;
    background-color: #ffffff;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 16px;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
    margin-bottom: 16px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: #1e3a8a;
    color: white;
}

.btn-primary:hover {
    background-color: #1e40af;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: #1e3a8a;
    border: 2px solid #1e3a8a;
}

.btn-secondary:hover {
    background-color: #1e3a8a;
    color: white;
}

.btn-outline {
    background-color: transparent;
    color: #64748b;
    border: 1px solid #e2e8f0;
}

.btn-outline:hover {
    background-color: #f8fafc;
    border-color: #cbd5e1;
}

.btn-link {
    background: none;
    border: none;
    color: #1e3a8a;
    font-size: 14px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.btn-link:hover {
    background-color: #f1f5f9;
}

/* Header */
.header {
    background-color: white;
    border-bottom: 1px solid #e2e8f0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    max-width: 1400px;
    margin: 0 auto;
}

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

.logo {
    width: 48px;
    height: 48px;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.journal-title {
    font-size: 20px;
    font-weight: 700;
    color: #1e3a8a;
    margin: 0;
}

.publisher {
    font-size: 14px;
    color: #64748b;
    margin: 0;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: #334155;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 0;
    position: relative;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #1e3a8a;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -16px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: #1e3a8a;
}

.nav-dropdown {
    position: relative;
}

.dropdown-content {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: white;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 8px 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s ease;
    z-index: 50;
}

.nav-dropdown:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-content a {
    display: block;
    padding: 8px 16px;
    color: #334155;
    text-decoration: none;
    font-size: 14px;
    transition: background-color 0.2s ease;
}

.dropdown-content a:hover {
    background-color: #f8fafc;
    color: #1e3a8a;
}

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

.language-switch {
    display: flex;
    background-color: #f1f5f9;
    border-radius: 6px;
    padding: 2px;
}

.lang-btn {
    padding: 6px 12px;
    border: none;
    background: none;
    font-size: 14px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.lang-btn.active {
    background-color: white;
    color: #1e3a8a;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.search-btn,
.mobile-menu-btn {
    padding: 8px;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

.search-btn:hover,
.mobile-menu-btn:hover {
    background-color: #f1f5f9;
}

.login-btn {
    padding: 8px 16px;
    border: 1px solid #e2e8f0;
    background: white;
    color: #334155;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
}

.login-btn:hover {
    border-color: #cbd5e1;
    background-color: #f8fafc;
}

.submit-btn {
    padding: 8px 16px;
    background-color: #f97316;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.submit-btn:hover {
    background-color: #ea580c;
    transform: translateY(-1px);
}

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

/* Hero Section */
.hero {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -2;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.8) 0%, rgba(30, 64, 175, 0.6) 100%);
    z-index: -1;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    color: white;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 32px;
    opacity: 0.9;
    max-width: 600px;
}

.hero-stats {
    display: flex;
    gap: 48px;
    margin-bottom: 32px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: #f97316;
}

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

.hero-actions {
    display: flex;
    gap: 16px;
}

/* Quick Navigation */
.quick-nav {
    padding: 80px 0;
    background-color: #f8fafc;
}

.quick-nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.quick-nav-item {
    background: white;
    padding: 32px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.quick-nav-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.quick-nav-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: white;
    font-size: 24px;
}

.quick-nav-item h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: #1e293b;
}

.quick-nav-item p {
    color: #64748b;
    margin-bottom: 20px;
}

.quick-nav-link {
    color: #1e3a8a;
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: color 0.2s ease;
}

.quick-nav-link:hover {
    color: #f97316;
}

/* Latest Articles */
.latest-articles {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    color: #1e293b;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: #64748b;
    margin-bottom: 24px;
}

.view-all-btn {
    color: #1e3a8a;
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: color 0.2s ease;
}

.view-all-btn:hover {
    color: #f97316;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.article-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.article-card.featured {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.article-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.article-card.featured .article-image {
    height: auto;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.article-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: linear-gradient(135deg, #f97316, #ea580c);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.article-content {
    padding: 24px;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.article-category {
    background-color: #e0f2fe;
    color: #0369a1;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.article-date {
    color: #64748b;
    font-size: 14px;
}

.article-title {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: #1e293b;
    line-height: 1.4;
}

.article-excerpt {
    color: #64748b;
    margin-bottom: 16px;
    line-height: 1.6;
}

.article-authors {
    color: #64748b;
    font-size: 14px;
    margin-bottom: 16px;
}

.article-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.article-stats {
    display: flex;
    gap: 16px;
    color: #64748b;
    font-size: 14px;
}

.article-stats span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Journal Info */
.journal-info {
    padding: 80px 0;
    background-color: #f8fafc;
}

.journal-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.journal-description {
    font-size: 1.125rem;
    color: #64748b;
    margin-bottom: 32px;
    line-height: 1.7;
}

.journal-features {
    display: grid;
    gap: 24px;
    margin-bottom: 32px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.feature-item i {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    flex-shrink: 0;
}

.feature-item h4 {
    font-size: 1.125rem;
    margin-bottom: 4px;
    color: #1e293b;
}

.feature-item p {
    color: #64748b;
    margin: 0;
}

.journal-actions {
    display: flex;
    gap: 16px;
}

.journal-image {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

/* Statistics */
.statistics {
    padding: 80px 0;
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.stat-card {
    text-align: center;
    padding: 32px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-icon {
    width: 64px;
    height: 64px;
    background: rgba(249, 115, 22, 0.2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: #f97316;
    font-size: 24px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    display: block;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 8px;
}

.stat-growth {
    font-size: 14px;
    color: #10b981;
    background: rgba(16, 185, 129, 0.2);
    padding: 4px 12px;
    border-radius: 20px;
    display: inline-block;
}

/* News & Events */
.news-events {
    padding: 80px 0;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 48px;
}

.news-category-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    color: #1e293b;
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 2px solid #e2e8f0;
}

.news-category-title i {
    color: #1e3a8a;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.news-item {
    padding: 20px;
    background: white;
    border-radius: 8px;
    border-left: 4px solid #1e3a8a;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
}

.news-item:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.news-date {
    color: #64748b;
    font-size: 14px;
    margin-bottom: 8px;
}

.news-title {
    font-size: 1rem;
    color: #1e293b;
    margin-bottom: 8px;
    line-height: 1.4;
}

.news-excerpt {
    color: #64748b;
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
}

/* Partners */
.partners {
    padding: 80px 0;
    background-color: #f8fafc;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.partner-item {
    text-align: center;
    padding: 24px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
}

.partner-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.partner-logo {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: white;
    font-weight: 600;
    font-size: 14px;
}

.partner-item p {
    color: #64748b;
    font-size: 14px;
    margin: 0;
}

/* Footer */
.footer {
    background-color: #1e293b;
    color: white;
    padding: 64px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.footer-brand p {
    color: #94a3b8;
    margin-bottom: 8px;
}

.footer-description {
    line-height: 1.6;
}

.footer-section h4 {
    font-size: 1.125rem;
    margin-bottom: 24px;
    color: white;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: #f97316;
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #94a3b8;
    margin-bottom: 12px;
}

.contact-info i {
    color: #1e3a8a;
}

.social-links {
    display: flex;
    gap: 16px;
    margin-top: 24px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(249, 115, 22, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #f97316;
    transition: all 0.2s ease;
}

.social-links a:hover {
    background: #f97316;
    color: white;
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 24px;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

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

.footer-bottom-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

.footer-bottom-links a:hover {
    color: #f97316;
}

.icp {
    color: #64748b;
    font-size: 14px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    border-bottom: 1px solid #e2e8f0;
}

.modal-header h3 {
    margin: 0;
    color: #1e293b;
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

.modal-close:hover {
    background-color: #f1f5f9;
}

.modal-body {
    padding: 24px;
}

.search-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.search-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.search-field label {
    font-weight: 500;
    color: #374151;
}

.search-field input,
.search-field select {
    padding: 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 16px;
    transition: border-color 0.2s ease;
}

.search-field input:focus,
.search-field select:focus {
    outline: none;
    border-color: #1e3a8a;
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.search-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        gap: 24px;
    }
    
    .article-card.featured {
        grid-column: span 1;
        display: block;
    }
    
    .journal-info-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .nav-container {
        padding: 12px 16px;
    }
    
    .nav-brand {
        gap: 12px;
    }
    
    .journal-title {
        font-size: 18px;
    }
    
    .hero {
        height: 500px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 16px;
        text-align: left;
    }
    
    .stat-item {
        text-align: left;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .quick-nav-grid {
        grid-template-columns: 1fr;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .partners-grid {
        grid-template-columns: 1fr;
    }
}