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

body {
    font-family: 'Space Grotesk', sans-serif;
    color: #1a1a1a;
    background-color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navigace */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 40px;
    background: rgba(255, 255, 255, 0.98);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #1a1a1a;
}

.navbar-brand {
    font-size: 1.2rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #1a1a1a;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: #1a1a1a;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: #1a1a1a;
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

/* Uvod */
.uvod {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: #1a1a1a;
    color: #ffffff;
    padding: 0 40px;
}

.uvod-content {
    text-align: center;
    max-width: 900px;
}

.uvod h1 {
    font-size: 5vw;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.uvod p {
    font-size: 1.2rem;
    opacity: 0.8;
}

.section {
    padding: 120px 40px;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 60px;
    text-align: center;
}

/* Program */
.program {
    background: #1a1a1a;
    color: #ffffff;
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.time {
    width: 120px;
    font-size: 1.2rem;
    font-weight: 500;
}

.event {
    flex: 1;
    padding-left: 40px;
    border-left: 1px solid #ffffff;
}

.event h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
}

/* Interpreti */
.performers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    padding: 0 40px;
}

.performer-card {
    background: #f5f5f5;
    padding: 30px;
    transition: transform 0.3s ease;
}

.performer-card:hover {
    transform: translateY(-10px);
}

.performer-card h3 {
    font-size: 1.6rem;
    margin-bottom: 15px;
}

/* Sponzoři */
.sponsors {
    background: #1a1a1a;
    color: #ffffff;
    text-align: center;
    padding: 40px 0;
}

.sponsor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.sponsor-logo {
    width: 100%;
    max-width: 200px;
    height: auto;
    opacity: 0.7;
    transition: opacity 0.3s ease, filter 0.3s ease;
}

.sponsor-logo:hover {
    opacity: 1;
}


/* Kontakt */
.contact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.contact-info p {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.map iframe {
    width: 100%;
    height: 400px;
    border: 0;
}

@media (max-width: 768px) {
    .contact {
        grid-template-columns: 1fr;
    }

    .map iframe {
        height: 300px;
    }

    .hero h1 {
        font-size: 6vw;
    }

    .section-title {
        font-size: 2rem;
    }

    .performers {
        grid-template-columns: 1fr;
    }

    .navbar {
        padding: 15px;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        align-items: center;
        width: 100%;
        background-color: #fff;
        position: absolute;
        top: 70px;
        left: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }

    .nav-links a {
        padding: 15px 0;
        width: 100%;
        text-align: center;
        font-size: 1rem;
    }

    .nav-links.active {
        display: flex;
    }

    .menu-button {
        display: block;
    }

    .menu-button span {
        background: #1a1a1a;
        height: 3px;
        width: 25px;
        margin: 5px;
    }
}