* {
    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 */
header {
    background: linear-gradient(135deg, #2c3e50, #3498db);
    color: white;
    padding: 2rem 0;
    position: relative;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    text-align: center;
}

.lang-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
    padding: 8px 16px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    background: white;
    color: #2c3e50;
}

/* Navigation */
.navigation {
    background: #34495e;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navigation ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.navigation li {
    margin: 0 1rem;
}

.navigation a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.navigation a:hover {
    background-color: #2c3e50;
}

/* Main Content */
main {
    padding: 2rem 0;
}

.section {
    margin-bottom: 3rem;
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.section h2 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    border-bottom: 3px solid #3498db;
    padding-bottom: 0.5rem;
}

/* Overview */
.overview-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
}

/* Company Cards */
.company-card {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    margin-bottom: 2rem;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.company-header {
    background: linear-gradient(135deg, #34495e, #2c3e50);
    color: white;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.company-title {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.company-header h3 {
    font-size: 1.5rem;
    margin: 0;
}

.website-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    display: inline-block;
    width: fit-content;
}

.website-btn:hover {
    background: white;
    color: #2c3e50;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.website-btn:active {
    transform: translateY(0);
}

.company-flag {
    font-size: 2rem;
}

.company-content {
    padding: 1.5rem;
}

.company-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    border-left: 4px solid #3498db;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.stat-value {
    display: block;
    font-size: 1.2rem;
    font-weight: bold;
    color: #2c3e50;
}

.company-description h4 {
    color: #2c3e50;
    margin: 1.5rem 0 0.8rem 0;
    font-size: 1.2rem;
}

.company-description ul {
    list-style: none;
    padding-left: 0;
}

.company-description li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.company-description li:before {
    content: "▶";
    color: #3498db;
    position: absolute;
    left: 0;
}

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

.comparison-card {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.comparison-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    border-bottom: 2px solid #3498db;
    padding-bottom: 0.5rem;
}

.comparison-item {
    margin-bottom: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #3498db;
}

.comparison-item strong {
    color: #2c3e50;
    display: block;
    margin-bottom: 0.5rem;
}

.comparison-item p {
    margin: 0;
    color: #555;
}

/* Table Styles */
.comparison-table {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

th, td {
    padding: 0.8rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #34495e;
    color: white;
    font-weight: bold;
}

tr:hover {
    background-color: #f5f5f5;
}

/* Conclusion */
.conclusion-content {
    display: grid;
    gap: 2rem;
}

.conclusion-item {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 5px solid #3498db;
}

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

.conclusion-item p {
    color: #555;
    line-height: 1.7;
}

/* Footer */
footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

footer p {
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .lang-btn {
        position: static;
        margin-top: 1rem;
        display: block;
        width: fit-content;
        margin-left: auto;
        margin-right: auto;
    }
    
    .navigation ul {
        flex-direction: column;
        align-items: center;
    }
    
    .navigation li {
        margin: 0.5rem 0;
    }
    
    .company-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .company-stats {
        grid-template-columns: 1fr;
    }
    
    .comparison-grid {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.5rem;
    }
    
    .section h2 {
        font-size: 1.5rem;
    }
    
    .company-header h3 {
        font-size: 1.2rem;
    }
}

/* Animation for smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Sources Section */
.sources-content {
    margin-top: 1.5rem;
}

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

.source-category {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 1.5rem;
    border-left: 4px solid #3498db;
}

.source-category h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.source-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.source-item {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.source-link {
    display: block;
    padding: 1rem;
    text-decoration: none;
    color: inherit;
    transition: background-color 0.3s ease;
}

.source-link:hover {
    background-color: #f8f9fa;
}

.source-title {
    display: block;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.source-desc {
    display: block;
    color: #666;
    font-size: 0.9rem;
    line-height: 1.4;
}

.sources-disclaimer {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 8px;
    padding: 1.5rem;
    margin-top: 2rem;
}

.sources-disclaimer p {
    margin: 0;
    color: #856404;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Loading animation */
.fade-in {
    animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Language transition */
.lang-transition {
    transition: opacity 0.3s ease;
}

.lang-transition.fade-out {
    opacity: 0.5;
}