* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    background: #f5f5f5;
    color: #fff;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    background: #1a1a2e;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    z-index: 1000;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #00ffcc;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}

nav a {
    color: #fff;
    text-decoration: none;
    font-size: 18px;
    transition: color 0.3s;
}

nav a:hover {
    color: #00ffcc;
}

.hero {
    height: 100vh;
    background: linear-gradient(135deg, #16213e 0%, #0f3460 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero p {
    font-size: 24px;
    margin-bottom: 30px;
}

.cta-button {
    background: #00ffcc;
    color: #1a1a2e;
    padding: 15px 30px;
    text-decoration: none;
    font-size: 18px;
    border-radius: 5px;
    transition: background 0.3s;
}

.cta-button:hover {
    background: #00cc99;
}

.services {
    padding: 80px 50px;
    background: #1a1a2e;
    text-align: center;
}

.services h2 {
    font-size: 36px;
    margin-bottom: 40px;
    color: #00ffcc;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.service-item {
    background: #2a2a4e;
    padding: 20px;
    border-radius: 10px;
    transition: transform 0.3s;
}

.service-item:hover {
    transform: translateY(-10px);
}

.service-item h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

.service-item p {
    font-size: 16px;
    color: #ccc;
}

.gallery {
    padding: 80px 50px;
    background: #16213e;
    text-align: center;
}

.gallery h2 {
    font-size: 36px;
    margin-bottom: 40px;
    color: #00ffcc;
}

.gallery-group {
    margin-bottom: 60px;
}

.gallery-group h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #fff;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.gallery-item {
    overflow: hidden;
    border-radius: 10px;
    transition: transform 0.3s;
}

.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s;
}

.gallery-item:hover {
    transform: scale(1.05);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.contact {
    padding: 80px 50px;
    background: #16213e;
    text-align: center;
}

.contact h2 {
    font-size: 36px;
    margin-bottom: 40px;
    color: #00ffcc;
}

form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

input, textarea {
    padding: 15px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    background: #2a2a4e;
    color: #fff;
}

textarea {
    resize: vertical;
    min-height: 100px;
}

button {
    background: #00ffcc;
    color: #1a1a2e;
    padding: 15px;
    border: none;
    border-radius: 5px;
    font-size: 18px;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background: #00cc99;
}

footer {
    background: #1a1a2e;
    text-align: center;
    padding: 20px;
    color: #ccc;
}

footer p {
    font-size: 14px;
}

/* Responzivita pro menší obrazovky */
@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

#form-message {
    display: none;
    margin-top: 20px;
    color: #00ffcc;
    background: #2a2a4e;
    padding: 15px;
    border-radius: 5px;
    animation: fadeIn 0.5s ease-in;
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: #00ffcc;
    font-size: 24px;
    cursor: pointer;
}
.nav-menu {
    display: flex;
}
@media (max-width: 520px) {
    .menu-toggle {
        display: block;
        margin-right: 15px;
    }
    .nav-menu {
        display: none;
    }
    .nav-menu.active {
        display: block;
    }
    .nav-menu ul {
        flex-direction: column;
        gap: 10px;
    }
}