/* Reset a základní styly */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header styly */
.header {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.header-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.header-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Logo v levém horním rohu */
.logo-link {
    position: absolute;
    top: 5px;
    left: 10px;
    display: block;
    width: 200px; /* velikost loga, lze upravit */
    z-index: 1100; /* nad navigací */
    transition: transform 0.3s ease;
}

.logo-link:hover {
    transform: scale(1.1);
}

.logo-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
    /*box-shadow: 0 2px 4px rgba(0,0,0,0.1);*/
}

/* Responzivní úpravy pro logo */
@media screen and (max-width: 768px) {
    .logo-link {
        width: 40px;
        top: 8px;
        left: 8px;
    }
}


/* Navigace */
.navbar {
    background-color: #2d5016;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    margin-left: 2rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

.nav-link:hover,
.nav-link.active {
    background-color: #4a7c59;
    color: #fff;
}

/* Hamburger menu */
.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    justify-content: space-around;
}

.hamburger span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: white;
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* Hlavní obsah */
.main {
    min-height: calc(100vh - 400px);
}

/* Sekce O nás */
.about-section {
    padding: 4rem 0;
    background-color: #f8f9fa;
}

.about-section h1 {
    text-align: center;
    margin-bottom: 3rem;
    color: #2d5016;
    font-size: 2.5rem;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    text-align: justify;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* Fotogalerie */
.gallery-section {
    padding: 4rem 0;
    background-color: white;
}

.gallery-section h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #2d5016;
    font-size: 2rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.gallery-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

/* Patička */
.footer {
    background-color: #2d5016;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: #a8d5ba;
}

.footer-section p {
    margin-bottom: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #4a7c59;
    color: #a8d5ba;
}

/* Responzivní design */
@media screen and (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 60px;
        flex-direction: column;
        background-color: #2d5016;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-item {
        margin: 1rem 0;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-section h1 {
        font-size: 2rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1rem;
    }

    .header-image {
        height: 200px;
    }
}

@media screen and (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .about-section,
    .gallery-section {
        padding: 2rem 0;
    }

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

/* Modal styly pro rozklikávací obrázky*/
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 1600px;
    max-height: 80vh;
    object-fit: contain;
    animation: modalZoom 0.3s ease;
}

@keyframes modalZoom {
    from { transform: scale(0.8); }
    to { transform: scale(1); }
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
    z-index: 2001;
}

.modal-close:hover,
.modal-close:focus {
    color: #bbb;
    text-decoration: none;
}

#caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: #ccc;
    padding: 10px 0;
    height: auto;
    font-size: 16px;
}

/* Navigační šipky */
.modal-prev,
.modal-next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: auto;
    padding: 16px;
    margin-top: -50px;
    color: white;
    font-weight: bold;
    font-size: 20px;
    transition: 0.3s ease;
    border-radius: 0 3px 3px 0;
    user-select: none;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-next {
    right: 0;
    border-radius: 3px 0 0 3px;
}

.modal-prev:hover,
.modal-next:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

/* Cursor pointer pro obrázky v galerii */
.gallery-item img {
    cursor: pointer;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.gallery-item img:hover {
    opacity: 0.8;
}

/* Responzivní úpravy */
@media only screen and (max-width: 700px) {
    .modal-content {
        width: 95%;
    }

    .modal-prev,
    .modal-next {
        padding: 12px;
        font-size: 16px;
    }

    .modal-close {
        top: 10px;
        right: 20px;
        font-size: 30px;
    }
}