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

html, body {
    height: 100%;
    min-height: 100vh;
}

#social {
    margin-top: 30px;
    margin-left: 100px;
}
.social-icons {
    background-color: whitesmoke;
    opacity: 0.5;
    padding-right: 20px;
    padding-left: 20px;
    border-radius: 7px;
}
#container 
{
    background-image: url('/images/gallery.jpg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    min-height: 100vh;
}
a:hover {
    font-style: italic;
    text-decoration: underline;
}
h1 {
    text-align: center;
    background-color: whitesmoke;
    opacity: 0.6;
    margin: 20px;
    padding: 20px;
    border-radius: 7px;
}
h1:hover {
    opacity: 1;
}
#container {
    display: grid;
    max-width: 100%;
}
#container header {
    margin: 0 !important;
    padding: 0 !important;
    background-color: transparent;
    flex-direction: row;
}
@media (min-width: 1100px) and (max-width: 1599.9px) {
    #container header {
        margin: 120px auto 0 auto;
    }
}

@media (min-width: 1600px) {
    #container {
        min-height: 100vh;
        background-attachment: fixed;
    }
    #container header {
        margin: 120px auto 0 auto;
    }
    #contact-section {
        margin-bottom: 50px !important;
    }
}

#container header {
    margin: 0 !important;
    padding: 0 !important;
    background-color: transparent;
}

.gallery {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-evenly;
    margin-top: 20px;
    align-items: center;
}

.gallery img {
    transition: 0.7s;
    padding: 0.5rem;
    width: 350px;
    height: 300px;
    object-fit: cover;
}

.gallery img:hover {
    filter: grayscale(40%);
    transform: scale(1.1);
}
.horizontal {
    grid-column: span 2;
}
.vertical {
    grid-row: span 2;
}
.big {
    grid-column: span 2;
    grid-row: span 2;
}

#modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

#modal.show {
    display: flex;
}

#modalImage {
    max-width: 80%;
    max-height: 80%;
    object-fit: contain;
    border-radius: 8px;
}

#prevButton, #nextButton, #closeButton {
    position: absolute;
    background-color: rgba(255, 255, 255, 0.8);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 34px;
    font-weight: bold;
    cursor: pointer;
    color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s;
}

#prevButton:hover, #nextButton:hover, #closeButton:hover {
    background-color: rgba(255, 255, 255, 1);
}

#prevButton {
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
}

#nextButton {
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

#closeButton {
    top: 20px;
    right: 20px;
}

#fullscreenButton {
    position: absolute;
    top: 40px;
    right: 120px;
    background-color: rgba(255, 255, 255, 0.8);
    border: none;
    border-radius: 8px;
    padding: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#fullscreenButton:hover {
    background-color: rgba(255, 255, 255, 1);
}

#caption {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    text-align: center;
    background-color: rgba(0, 0, 0, 0.7);
    padding: 10px 20px;
    border-radius: 5px;
    max-width: 80%;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 15px;
    padding: 20px;
    margin: 20px 0;
}

.thumbnail {
    cursor: pointer;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.thumbnail:hover {
    transform: scale(1.05);
}

.thumbnail img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
}

#exitFullscreenButton {
    position: absolute;
    top: 20px;
    right: 80px;
    background-color: rgba(255, 255, 255, 0.8);
    border: none;
    border-radius: 8px;
    padding: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
    z-index: 1001;
}

#exitFullscreenButton:hover {
    background-color: rgba(255, 255, 255, 1);
}

#closeButton {
    z-index: 1002 !important;
}

:fullscreen #closeButton,
:-webkit-full-screen #closeButton,
:-moz-full-screen #closeButton {
    position: fixed !important;
    top: 20px !important;
    right: 20px !important;
    z-index: 2147483647 !important;
    background-color: rgba(255, 255, 255, 0.9) !important;
    display: block !important;
    opacity: 1 !important;
    visibility: visible;
}

@media (min-width: 1600px) {
    body {
        min-height: 100vh;
    }
    
    #container {
        display: flex;
        flex-direction: column;
        min-height: 100vh;
    }
    
    main {
        flex: 1;
    }
    
    footer {
        margin-top: auto;
        background-color: rgba(245, 245, 245, 0.9);
        padding: 20px 0;
    }
}

.scrollTopButton {
    opacity: 0.8;
}