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

body {
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

header {
    background-color: #333;
    color: white;
    padding: 1rem 0;
    text-align: center;
}

.logo {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

nav {
    background-color: #444;
    display: flex;
    justify-content: center;
}

nav ul {
    display: flex;
    list-style: none;
    padding: 1rem 0;
    width: 80%;
    max-width: 1200px;
    justify-content: space-between;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

nav a:hover {
    background-color: #555;
}

nav a.active {
    background-color: #e74c3c;
}

main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.hero {
    background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('/Obrazy/hero.jpg');
    background-size: cover;
    background-position: center;
    height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
    margin-bottom: 2rem;
    border-radius: 8px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
}

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

.discipline {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.discipline:hover {
    transform: translateY(-5px);
}

.discipline img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.discipline-content {
    padding: 1.5rem;
}

.discipline h3 {
    margin-bottom: 1rem;
    color: #e74c3c;
}

.dol {
    text-align: center;
    margin: 3rem 0;
    padding: 2rem;
    background-color: #f9f9f9;
    border-radius: 8px;
}

.dol h2 {
    margin-bottom: 1rem;
}

.btn {
    display: inline-block;
    background-color: #e74c3c;
    color: white;
    padding: 0.8rem 2rem;
    border-radius: 4px;
    text-decoration: none;
    transition: background-color 0.3s;
    margin-top: 1rem;
}

.btn:hover {
    background-color: #c0392b;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    padding: 0 2rem;
}

.footer-info {
    text-align: left;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    color: white;
    text-decoration: none;
    padding: 0.5rem;
    border-radius: 50%;
    background-color: #444;
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.3s;
}

.social-link:hover {
    background-color: #e74c3c;
}

@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .footer-info {
        text-align: center;
    }
}