* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #1c1c1c;
    color: #e0e0e0;
    line-height: 1.6;
}

.banner {
    width: 100%;
    height: 200px;
    background-color: #2a2a2a;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    border-bottom: 3px solid #ff8c00;
}

.banner img {
    max-width: 100%;
    max-height: 100%;
    object-fit: cover;
}

.banner-placeholder {
    color: #ff8c00;
    font-size: 24px;
    text-align: center;
    padding: 20px;
    display: none;
}

.categories {
    display: flex;
    justify-content: space-around;
    padding: 40px 20px;
    flex-wrap: wrap;
    gap: 20px;
}

.category-btn {
    background-color: #2a2a2a;
    border: 2px solid #ff8c00;
    border-radius: 10px;
    width: 200px;
    height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(255, 140, 0, 0.3);
}

.category-img {
    width: 100px;
    height: 100px;
    margin-bottom: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.category-img img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.fallback-text {
    color: #ff8c00;
    font-size: 14px;
    text-align: center;
    padding: 10px;
}

.category-name {
    color: #ff8c00;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
}

.section {
    display: none;
    padding: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.section.active {
    display: block;
}

.section-title {
    color: #ff8c00;
    font-size: 32px;
    margin-bottom: 20px;
    text-align: center;
    border-bottom: 2px solid #ff8c00;
    padding-bottom: 10px;
}

.section-subtitle {
    color: #e0e0e0;
    font-size: 24px;
    margin: 20px 0 10px;
}

.section-content {
    background-color: #2a2a2a;
    padding: 20px;
    border-radius: 10px;
    border-left: 4px solid #ff8c00;
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.social-item {
    background-color: #2a2a2a;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid #444;
}

.social-icon {
    width: 60px;
    height: 60px;
    background-color: #3a3a3a;
    border-radius: 50%;
    margin: 0 auto 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #ff8c00;
    font-size: 24px;
}

.contact-form {
    display: grid;
    gap: 15px;
    margin-top: 20px;
}

.contact-form input,
.contact-form textarea {
    padding: 12px;
    border-radius: 5px;
    border: 1px solid #444;
    background-color: #2a2a2a;
    color: #e0e0e0;
}

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

.highlight {
    background-color: #ff8c00;
    color: #1c1c1c;
    padding: 2px 5px;
    border-radius: 3px;
    font-weight: bold;
}

.back-btn {
    display: block;
    margin: 30px auto;
    padding: 10px 20px;
    background-color: #ff8c00;
    color: #1c1c1c;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.3s;
}

.back-btn:hover {
    background-color: #ffa94d;
}

/* CSS pro sekci Events */
.countdown {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin: 30px 0;
}

.countdown-item {
    background-color: #2a2a2a;
    border: 2px solid #ff8c00;
    border-radius: 10px;
    padding: 20px;
    min-width: 100px;
    text-align: center;
}

.countdown-number {
    font-size: 36px;
    font-weight: bold;
    color: #ff8c00;
}

.countdown-label {
    font-size: 14px;
    color: #e0e0e0;
    margin-top: 5px;
    text-transform: uppercase;
}

.event-info {
    margin-top: 30px;
    padding: 20px;
    background-color: #2a2a2a;
    border-radius: 10px;
    border-left: 4px solid #ff8c00;
}

.event-info ul {
    margin-left: 20px;
    padding-left: 20px;
}

.event-info li {
    margin-bottom: 8px;
}

@media (max-width: 768px) {
    .categories {
        flex-direction: column;
        align-items: center;
    }
    
    .category-btn {
        width: 100%;
        max-width: 250px;
    }
    
    .countdown {
        flex-wrap: wrap;
    }
    
    .countdown-item {
        min-width: 80px;
        padding: 15px;
    }
    
    .countdown-number {
        font-size: 28px;
    }
}