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

body {
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    overflow: hidden; 
    background-color: #000;
    font-family: Arial, sans-serif;
}

.gallery-container {
    position: relative;
    width: 100%;
    height: 100vh;
    height: 100dvh; 
}

.image-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    width: 100%;
    height: 100%;
}

.grid-item {
    position: relative;
    width: 100%;
    height: 100%;
    cursor: pointer;
    overflow: hidden;
    outline: none; 
}

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

.grid-item::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.15); 
    backdrop-filter: blur(5px); 
    -webkit-backdrop-filter: blur(5px);
    transition: opacity 0.4s ease-in-out;
    z-index: 1; 
}

.overlay-content {
    position: absolute;
    top: 0; 
    left: 0;
    width: 100%;
    height: 100%; 
    z-index: 2; 
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: transparent;
    transition: background 0.4s ease-in-out;
}

.title {
    color: #fff;
    font-size: 2.5rem;
    letter-spacing: 2px;
    text-shadow: 1px 1px 5px rgba(0,0,0,0.5);
    margin: 0;
    transition: transform 0.4s ease-in-out;
}

.details {
    position: absolute;
    top: 50%; 
    margin-top: 15px; 
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 20px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px); 
    transition: opacity 0.4s ease-in-out, visibility 0.4s ease-in-out, transform 0.4s ease-in-out;
}

.details p {
    color: #fff;
    margin-bottom: 15px;
    font-size: 1.1rem;
    line-height: 1.4;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.8); 
}

.btn {
    background-color: #ffffff;
    color: #333;
    padding: 10px 24px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 4px;
    transition: background-color 0.2s, transform 0.2s;
    pointer-events: auto; 
    border: none;
    cursor: pointer;
    position: relative;
    z-index: 10;
}

.btn:hover {
    background-color: #ddd;
    transform: scale(1.05); 
}

.grid-item:hover::before,
.grid-item:focus-within::before {
    opacity: 0; 
}

.grid-item:hover .overlay-content,
.grid-item:focus-within .overlay-content {
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.7) 100%);
    opacity: 1; 
    visibility: visible;
}

.grid-item:hover .title,
.grid-item:focus-within .title {
    transform: translateY(-45px); 
}

.grid-item:hover .details,
.grid-item:focus-within .details {
    opacity: 1; 
    visibility: visible;
    transform: translateY(0); 
}

.center-logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10; 
    width: 18vw; 
    max-width: 150px; 
    min-width: 90px;  
    aspect-ratio: 1 / 1;
    object-fit: contain;
    background-color: #ffffff;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.5);
    pointer-events: none; 
}

.hidden-checkbox {
    display: none;
}

.taskbar {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%); 
    width: calc(100% - 40px); 
    max-width: 500px; 
    height: 40px;
    background-color: #1e293b; 
    color: #cbd5e1;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 0.9rem;
    font-weight: bold;
    letter-spacing: 1px;
    cursor: pointer;
    z-index: 100; 
    border-top-left-radius: 12px;
    border-top-right-radius: 12px;
    box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.5);
    transition: background-color 0.3s, color 0.3s, transform 0.2s;
}

.taskbar:hover {
    background-color: #334155;
    color: #ffffff;
}

.imprint-panel,
.privacy-panel {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%; 
    background-color: rgba(15, 23, 42, 0.96); 
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    transform: translateY(100%); 
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.imprint-panel {
    z-index: 99;
}
.privacy-panel {
    z-index: 105; 
}

#imprint-toggle:checked ~ .imprint-panel {
    transform: translateY(0);
}
#privacy-toggle:checked ~ .privacy-panel {
    transform: translateY(0);
}

.panel-content {
    max-width: 800px;
    width: 100%;
    max-height: 85vh; 
    color: #ffffff;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 15px;
    overflow-y: auto; 
    padding-right: 5px;
}

.panel-content::-webkit-scrollbar {
    width: 6px;
}
.panel-content::-webkit-scrollbar-thumb {
    background-color: #475569;
    border-radius: 3px;
}

.panel-content h2 {
    font-size: 2rem;
    margin-bottom: 5px;
    letter-spacing: 1px;
}

.panel-content p {
    font-size: 1rem;
    line-height: 1.5;
    color: #94a3b8;
}

.scroll-text {
    text-align: left;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 15px;
    border-radius: 8px;
    margin: 5px 0;
}

.btn-wrapper {
    margin-top: 10px;
}

.btn-action {
    display: inline-block;
    background-color: #ffffff;
    color: #0f172a;
    padding: 12px 28px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.2s;
    border: none;
}

.btn-action:hover {
    background-color: #e2e8f0;
    transform: scale(1.05);
}

.contact-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.96);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.contact-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.contact-modal-content {
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    color: #ffffff;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 15px;
    overflow-y: auto;
    padding: 30px;
    background-color: #0f172a;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 30px rgba(0,0,0,0.8);
    position: relative;
}

.contact-close-btn {
    position: absolute;
    top: 20px;
    right: 25px;
    font-size: 2rem;
    color: #94a3b8;
    cursor: pointer;
    transition: color 0.2s;
}

.contact-close-btn:hover {
    color: #ffffff;
}

.contact-modal-content h2 {
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: 10px;
    color: #ffffff;
    letter-spacing: 1px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.form-group label {
    font-size: 0.9rem;
    color: #cbd5e1;
    font-weight: 600;
}

#modal-title-label {
    font-size: 1.1rem;
    color: #3b82f6;
    margin-bottom: 5px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    color: #ffffff;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3b82f6;
}

.contact-modal-content .btn-wrapper {
    text-align: center;
    margin-top: 10px;
}

@media (max-width: 768px) {
    .center-logo {
        min-width: 45px; 
        max-width: 75px;
        padding: 8px;
        border-radius: 4px;
    }

    .title {
        font-size: 1.25rem;
    }

    .overlay-content {
        justify-content: center;
        align-items: center;
    }

    .title {
        transform: translateY(0) !important;
    }

    .grid-item:hover .title,
    .grid-item:focus-within .title {
        transform: translateY(-60px) !important; 
    }

    .details {
        position: absolute;
        top: 50%;
        margin-top: -15px; 
        width: 100%;
        transform: translateY(0);
    }

    .details p {
        font-size: 0.75rem;
        margin-bottom: 8px;
        line-height: 1.2;
    }

    .btn {
        padding: 6px 14px;
        font-size: 0.8rem;
    }

    .grid-item:hover .details,
    .grid-item:focus-within .details {
        opacity: 1; 
        visibility: visible;
        transform: translateY(-15px); 
    }

    .taskbar {
        font-size: 0.8rem;
        height: 38px;
        width: calc(100% - 20px);
    }

    .panel-content h2 {
        font-size: 1.4rem;
    }
    
    .panel-content p, .scroll-text {
        font-size: 0.8rem;
    }
    
    .scroll-text {
        padding: 10px;
    }
    
    .btn-action {
        padding: 8px 20px;
        font-size: 0.85rem;
    }
}