:root {
    --primary-color: #1a6aa2;
    --bg-dark: #121212;
    --card-bg: rgba(255, 255, 255, 0.05);
    --glass-bg: rgba(0, 0, 0, 0.7);
    --text-light: #f0f0f0;
    --transition-smooth: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

.gallery-container {
    max-width: 1400px;
    margin: 40px auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-smooth);
}

.gallery-container.loaded {
    opacity: 1;
    transform: translateY(0);
}

.gallery-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
    background: var(--card-bg);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: var(--transition-smooth);
}

.gallery-item:hover {
    transform: scale(1.03);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 2;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
    filter: brightness(0.8);
}

.gallery-item:hover img {
    filter: brightness(1.1);
}

/* Skeleton Loading Effect */
.skeleton {
    background: linear-gradient(90deg, #222 25%, #333 50%, #222 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

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

/* Modal Styling */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-container {
    position: relative;
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.modal-image {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
    transform: scale(0.9);
    transition: var(--transition-smooth);
}

.modal-overlay.active .modal-image {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: -50px;
    right: 0;
    color: #fff;
    font-size: 35px;
    cursor: pointer;
    transition: color 0.3s;
}

.modal-close:hover {
    color: var(--primary-color);
}

.modal-nav {
    position: absolute;
    top: 50%;
    width: 110%;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
    pointer-events: none;
}

.nav-btn {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    pointer-events: auto;
    transition: var(--transition-smooth);
}

.nav-btn:hover {
    background: var(--primary-color);
    transform: scale(1.1);
}

.modal-info {
    margin-top: 15px;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

@media (max-width: 768px) {
    .gallery-container {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 15px;
    }
    
    .modal-nav {
        width: 100%;
        bottom: -60px;
        top: auto;
        transform: none;
    }
}

/* Navbar Enhancements */
.site-nav {
    position: fixed !important;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(18, 18, 18, 0.9) !important;
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0 !important;
    transition: var(--transition-smooth);
}

.site-nav .logo {
    color: #fff !important;
    font-size: 22px;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: -0.5px;
}

.site-nav .site-menu > li > a {
    color: rgba(255, 255, 255, 0.8) !important;
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition-smooth);
    padding: 10px 20px !important;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.site-nav .site-menu > li > a:hover,
.site-nav .site-menu > li.active > a {
    color: var(--primary-color) !important;
}

/* Fix burger menu for dark background */
.burger:before, .burger span, .burger:after {
    background: #fff !important;
}

.site-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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