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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background-color: #f8f9fa;
}

.main-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 2rem;
}

.logo-link {
    display: flex;
    align-items: center;
}

.site-logo {
    height: 55px;
    width: auto;
    border-radius: 8px;
}

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

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.05rem;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 6px;
}

.nav-link:hover,
.nav-link.active {
    background-color: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

.hero-section {
    position: relative;
    min-height: 650px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.5);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #ffffff;
    max-width: 800px;
    padding: 2rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.3);
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(102,126,234,0.4);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102,126,234,0.6);
}

.section-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 5rem 2rem;
}

.concept-section {
    background-color: #ffffff;
}

.concept-section h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 3rem;
    color: #667eea;
}

.concept-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
}

.concept-item {
    text-align: center;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.concept-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.15);
}

.concept-img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

.concept-item h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #764ba2;
}

.stats-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
}

.stats-section h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 3rem;
}

.stats-container {
    max-width: 900px;
    margin: 0 auto;
    background-color: rgba(255,255,255,0.1);
    padding: 2rem;
    border-radius: 15px;
}

#statsChart {
    max-width: 100%;
    height: 400px;
}

.highlights-section {
    background-color: #f8f9fa;
}

.highlights-section h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 3rem;
    color: #667eea;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.highlight-card {
    background: #ffffff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.highlight-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.2);
}

.highlight-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.highlight-card h3 {
    font-size: 1.5rem;
    padding: 1.5rem 1.5rem 0.5rem;
    color: #764ba2;
}

.highlight-card p {
    padding: 0 1.5rem 1.5rem;
    color: #555;
}

.cta-section {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    color: #ffffff;
    text-align: center;
    padding: 5rem 2rem;
}

.cta-content h2 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
}

.cta-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button-secondary {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: #ffffff;
    color: #667eea;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.cta-button-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255,255,255,0.3);
}

.site-footer {
    background-color: #2c3e50;
    color: #ffffff;
    padding: 3rem 2rem 1.5rem;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.4rem;
    margin-bottom: 1.2rem;
    color: #667eea;
}

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

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: #ecf0f1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #667eea;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #ffffff;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
    padding: 2rem;
    z-index: 10000;
    display: none;
}

.cookie-banner.show {
    display: block;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
}

.cookie-content h3 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: #667eea;
}

.cookie-content p {
    margin-bottom: 1.5rem;
    color: #555;
}

.cookie-buttons {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.cookie-btn {
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cookie-btn.accept {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
}

.cookie-btn.reject {
    background-color: #95a5a6;
    color: #ffffff;
}

.cookie-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.cookie-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.cookie-link:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .concept-grid,
    .highlights-grid {
        grid-template-columns: 1fr;
    }
}
