/* Placeholder Styles */
.placeholder {
    background-color: var(--card-bg);
    position: relative;
    overflow: hidden;
}

.placeholder-image {
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.1);
}

.placeholder-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.5));
}

.placeholder-title {
    height: 1.5rem;
    width: 70%;
    margin-bottom: 0.5rem;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
}

.placeholder-tags {
    height: 1rem;
    width: 90%;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
}

/* Shimmer effect animation */
.shimmer-effect {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.1) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    animation: shimmer 1.5s infinite;
    background-size: 200% 100%;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* Fade-in animation for grid items */
.grid-item img, .grid-item video {
    transition: opacity 0.3s ease;
}

/* Loading indicators for carousel and fullscreen views */
.carousel-loading-indicator,
.fullscreen-loading-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-left-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Optional: add a subtle animation to indicate clickable items */
.has-link-in-carousel::after {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.1);
        opacity: 1;
    }
    100% {
        transform: scale(1);
        opacity: 0.8;
    }
}

/* Enhanced styling for the external link button in carousel */
.external-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--accent-color);
    color: white;
    padding: 10px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-left: auto;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.external-link-btn:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.external-link-btn svg {
    transition: transform 0.3s ease;
}

.external-link-btn:hover svg {
    transform: translateX(3px);
}

/* Optional subtle indicator for tiles that have a link in carousel */
.has-link-in-carousel {
    position: relative;
}

.has-link-in-carousel::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 10px;
    height: 10px;
    background-color: var(--accent-color);
    border-radius: 50%;
    margin: 8px;
    z-index: 5;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.has-link-in-carousel:hover::after {
    transform: scale(1.2);
    opacity: 1;
}

/* Video player styling */
.video-play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    opacity: 0.8;
    transition: opacity 0.3s, transform 0.3s;
    pointer-events: none; /* Allows clicks to pass through to the video */
}

.grid-item:hover .video-play-button {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
}

/* Root variables */
:root {
    --bg-color: #17346F;
    --text-color: #f8f8f8;
    --accent-color: #ff3b5c;
    --card-bg: #1e3c7a;
    --header-bg: rgba(23, 52, 111, 0.9);
    --shadow: rgba(0, 0, 0, 0.3);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #17346F;
        --text-color: #f8f8f8;
        --accent-color: #ff3b5c;
        --card-bg: #1e3c7a;
        --header-bg: rgba(23, 52, 111, 0.9);
        --shadow: rgba(0, 0, 0, 0.3);
    }
}

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

html, body {
    min-height: 100%;
    background-color: var(--bg-color);
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
    position: relative;
    overflow-x: hidden; /* Prevent horizontal scrolling due to z-index stacking */
}

/* Adding a pseudo-element for the dark grain texture with multiply blend mode */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('assets/grain.png');
    background-repeat: repeat;
    opacity: 0.2;
    mix-blend-mode: multiply;
    pointer-events: none;
    z-index: 0;
}

/* Adding a second pseudo-element for the light grain texture with screen blend mode */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('assets/lightGrain.png');
    background-repeat: repeat;
    opacity: 0.03;
    mix-blend-mode: screen;
    pointer-events: none;
    z-index: 1; 
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    transition: all 0.5s ease;
    position: relative;
    z-index: 10; /* Ensure this is above the grain texture */
}

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--header-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1rem;
    z-index: 1000;
    box-shadow: 0 2px 8px var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

header::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -5px; /* Extend slightly below header */
    height: 5px;
    background-color: var(--bg-color);
    z-index: 999;
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    transition: all 0.5s ease;
}

.logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.5s ease;
    margin-bottom: 2rem;
}

.logo-image {
    width: 66vw; /* Initial size - 2/3 of viewport width */
    max-width: 800px;
    transition: all 0.5s ease;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--header-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 2rem 1rem;
    z-index: 1000;
    box-shadow: 0 2px 8px var(--shadow);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.5s ease;
    height: 66vh; /* Initial height - takes up 2/3 of viewport */
}

.burger-menu {
    position: relative;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
}

.burger-icon {
    width: 26px;
    height: 20px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.burger-icon span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-color) !important; /* Force the color */
    transition: all 0.3s ease;
}

/* Specific styling for the carousel burger to ensure consistent color */
.carousel-burger .burger-icon span {
    background-color: var(--text-color) !important;
}

/* Firefox-specific fix for burger icon color */
@-moz-document url-prefix() {
    .burger-icon span {
        background-color: var(--text-color) !important;
    }
    
    .carousel-burger .burger-icon span {
        background-color: var(--text-color) !important;
    }
}

/* Burger menu when active */
.burger-menu.active .burger-icon span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.burger-menu.active .burger-icon span:nth-child(2) {
    opacity: 0;
}

.burger-menu.active .burger-icon span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Menu overlay - updated for bottom animation and z-index */
.menu-overlay {
    position: fixed;
    bottom: -100%; /* Start from below the screen */
    left: 0;
    width: 100%; /* Full width */
    height: 60%; /* Take up about 60% of the screen */
    max-height: 500px;
    background-color: var(--bg-color);
    z-index: 3000; /* Increased from 2000 to be above carousel */
    transition: bottom 0.4s cubic-bezier(0.16, 1, 0.3, 1); /* Smooth slide-up animation */
    box-shadow: 0 -2px 10px var(--shadow);
    overflow-y: auto;
    border-top-left-radius: 15px;
    border-top-right-radius: 15px;
}

.menu-overlay.active {
    bottom: 0; /* Slide up to bottom: 0 */
}

.menu-container {
    padding: 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center; /* Center-align content */
    text-align: center;
}

.menu-header {
    display: flex;
    justify-content: center; /* Center the close button */
    width: 100%;
    margin-bottom: 2rem;
    position: relative;
}

.close-menu-btn {
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-color);
    position: absolute;
    right: 0;
    top: -1rem;
}

/* Pill handle at top of menu for dragging indication */
.menu-header::before {
    content: '';
    position: absolute;
    top: -1.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 5px;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

/* Social icons in menu */
.menu-overlay .social-icons {
    display: flex;
    flex-direction: row; /* Horizontal layout */
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.menu-overlay .social-icons a {
    display: flex;
    flex-direction: column; /* Stack icon and text */
    align-items: center;
    gap: 0.5rem;
    width: 80px;
    text-align: center;
}

.menu-overlay .social-icons a svg {
    margin-bottom: 8px;
    width: 24px;
    height: 24px;
}

.menu-overlay .social-icons a span {
    font-size: 0.9rem;
    white-space: nowrap;
}

/* Dark overlay behind the menu */
.menu-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2999; /* Just below the menu overlay, but above carousel */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
}

.menu-backdrop.active {
    opacity: 1;
    visibility: visible;
}

header.scrolled {
    height: 70px;
    padding: 0.5rem 1rem;
}

header.scrolled .header-content {
    flex-direction: row;
    justify-content: space-between;
}

header.scrolled .logo-container {
    margin-bottom: 0;
}

header.scrolled .logo-image {
    width: 150px;
}

.social-icons a {
    color: var(--text-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    transition: all 0.3s ease;
    position: relative;
}

.social-icons a:hover {
    color: var(--accent-color);
    transform: translateY(-3px);
}

.social-icons a::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    background-color: var(--accent-color);
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s ease;
    z-index: -1;
}

.social-icons a:hover::after {
    opacity: 0.1;
    transform: scale(1);
}

main {
    margin-top: calc(66vh + 2rem); /* Initial margin based on header height */
    padding: 1rem;
    transition: margin-top 0.5s ease;
    position: relative;
    z-index: 5;
}

body.scrolled main {
    margin-top: 90px; /* Adjusted margin when header is scrolled */
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 0.5rem;
    margin-bottom: 2rem;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 0.5rem;
}

@media (min-width: 1200px) {
    .grid-container {
        grid-template-columns: repeat(3, 1fr);
        max-width: 1200px;
    }
}

.grid-item {
    aspect-ratio: 1/1;
    background-color: var(--card-bg);
    border-radius: 0;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    box-shadow: 0 2px 6px var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.grid-item:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 10px 20px var(--shadow);
}

.grid-item img, .grid-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.grid-item .info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: #fff;
}

.grid-item .info h3 {
    margin-bottom: 0.5rem;
}

.loading, .error-message {
    grid-column: 1 / -1;
    text-align: center;
    padding: 2rem;
    font-size: 1.2rem;
    color: var(--text-color);
}

/* Carousel Styles */
.carousel-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-color);
    z-index: 2000; /* Keep this below menu overlay */
    display: none;
    flex-direction: column;
    overflow: hidden;
}

.carousel-container.active {
    display: flex;
}

.carousel-header {
    padding: 0.5rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--header-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 2001;
    height: 60px;
    box-shadow: 0 2px 8px var(--shadow);
}

.carousel-header .logo-container {
    margin-bottom: 0;
}

.carousel-header .logo-image {
    width: 120px;
    max-height: 40px;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-social-icons {
    display: flex;
    gap: 0.75rem;
}

.header-social-icons a {
    width: 32px;
    height: 32px;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
}

.carousel-wrapper {
    flex: 1;
    overflow-y: auto;
    scroll-snap-type: y mandatory;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.carousel-item {
    height: 100%;
    width: 100%;
    max-width: 800px;
    scroll-snap-align: start;
    display: flex;
    flex-direction: column;
    position: relative;
    margin: 0 auto;
}

.media-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0.05);
    border-radius: 0;
    margin: 0.5rem;
    position: relative; /* For loading indicator positioning */
    min-height: 200px; /* Ensure space for loading indicator */
}

@media (prefers-color-scheme: dark) {
    .media-container {
        background-color: rgba(255, 255, 255, 0.05);
    }
}

.carousel-item img, .carousel-item video {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    position: relative; /* For z-index stacking */
    z-index: 1; /* Above loading indicator */
}

.carousel-info {
    padding: 1rem;
    background-color: var(--card-bg);
    max-width: 800px;
    margin: 0 auto 1rem auto;
    border-radius: 0;
    box-shadow: 0 2px 6px var(--shadow);
    width: calc(100% - 1rem);
}

.carousel-header-info {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.carousel-header-info h2 {
    margin: 0;
    margin-right: 1rem;
    font-size: 1.6rem;
    color: var(--accent-color);
    flex: 1;
}

.carousel-info .description {
    margin-bottom: 1rem;
    line-height: 1.5;
}

.carousel-info .description p {
    margin-bottom: 0.75rem;
}

.carousel-info .description p:last-child {
    margin-bottom: 0;
}

.carousel-info .tags {
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.7;
    margin-top: 0.75rem;
    border-top: 1px solid rgba(125, 125, 125, 0.2);
    padding-top: 0.5rem;
}

.carousel-nav {
    position: fixed;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 2002;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(125, 125, 125, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-dot.active {
    background-color: var(--accent-color);
    width: 10px;
    height: 10px;
    box-shadow: 0 0 8px rgba(255, 59, 92, 0.4);
}

/* Gallery Styles */
.gallery-container {
    display: flex;
    width: 100%;
    height: 100%;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

.gallery-container::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.gallery-item {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    scroll-snap-align: start;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-item img {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
}

.gallery-nav {
    position: absolute;
    background-color: rgba(0, 0, 0, 0.3);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.gallery-nav:hover {
    opacity: 1;
}

.gallery-prev {
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.gallery-next {
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

/* Fullscreen media view */
.fullscreen-media-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 3100; /* Highest z-index to appear above everything */
    display: flex;
    align-items: center;
    justify-content: center;
}

.fullscreen-media {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    z-index: 1; /* Above loading indicator */
}

.fullscreen-close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    z-index: 3101;
}

@media (max-width: 1200px) {
    .carousel-item {
        max-width: 90%;
    }
}

@media (max-width: 768px) {
    .grid-container {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 0.5rem;
        padding: 0 0.25rem;
    }
    
    .logo-image {
        width: 85vw; /* Wider on mobile to maintain proportions */
    }
    
    header {
        height: 50vh; /* Not as tall on mobile */
        padding: 1.5rem 0.75rem;
    }
    
    header.scrolled .logo-image {
        width: 120px;
    }
    
    .social-icons {
        gap: 0.75rem;
    }
    
    .social-icons a {
        width: 32px;
        height: 32px;
    }
    
    .social-icons svg {
        width: 18px;
        height: 18px;
    }
    
    .carousel-item {
        max-width: 100%;
    }
    
    .carousel-info {
        width: calc(100% - 1rem);
        padding: 1rem;
    }
    
    .carousel-nav {
        right: 0.5rem;
    }
    
    .video-play-button {
        width: 40px;
        height: 40px;
    }
    
    .video-play-button svg {
        width: 25px;
        height: 25px;
    }
    
    main {
        margin-top: calc(50vh + 1.5rem); /* Adjusted for mobile header height */
    }
    
    body.scrolled main {
        margin-top: 70px;
    }
    
    /* Mobile menu adjustments */
    .menu-overlay {
        height: 70%; /* Take up more space on mobile */
    }
    
    .menu-overlay .social-icons a {
        width: 70px;
        font-size: 0.8rem;
    }
    
    .placeholder-title {
        height: 1rem;
    }
    
    .placeholder-tags {
        height: 0.7rem;
    }
}

/* Firefox-specific fix for the header gap */
@-moz-document url-prefix() {
    header {
        /* Ensure no gap exists below the header */
        margin-bottom: 0;
        /* Add a slightly larger shadow to cover any potential gap */
        box-shadow: 0 4px 12px var(--shadow);
    }
    
    body::before, body::after {
        /* Ensure grain textures extend fully */
        height: 200%; 
    }
    
    main {
        /* Adjust margin to ensure it meets the header perfectly */
        position: relative;
        z-index: 5;
        margin-top: calc(66vh); /* Remove the extra 2rem that might cause a gap */
    }
    
    body.scrolled main {
        margin-top: 70px; /* Keep this the same */
    }
}