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

:root {
    --primary-color: #d4af37;
    --primary-dark: #b8941f;
    --secondary-color: #8b7355;
    --accent-color: #c9a961;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #fdfbf7 0%, #f5f1e8 100%);
    color: var(--text-dark);
    min-height: 100vh;
    padding: 20px;
    line-height: 1.6;
}

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

/* Back Button */
.back-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: white;
    color: var(--primary-dark);
    text-decoration: none;
    border-radius: 10px;
    font-weight: 500;
    font-size: 0.95rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    margin-bottom: 30px;
}

.back-button:hover {
    background: var(--primary-color);
    color: white;
    transform: translateX(-3px);
    box-shadow: var(--shadow-lg);
}

.back-button svg {
    width: 20px;
    height: 20px;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 50px;
    animation: fadeInDown 0.6s ease-out;
}

.logo {
    width: 120px;
    height: 120px;
    object-fit: contain;
    margin-bottom: 20px;
    filter: drop-shadow(var(--shadow-md));
}

.header h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: 700;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    font-weight: 400;
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 50px;
}

.gallery-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

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

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

.gallery-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    padding: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-item-overlay {
    opacity: 1;
}

.download-icon {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.gallery-item:hover .download-icon {
    opacity: 1;
}

.download-icon svg {
    width: 20px;
    height: 20px;
    color: var(--primary-color);
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: var(--shadow-xl);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.lightbox-close:hover {
    background: var(--primary-color);
    transform: rotate(90deg);
}

.lightbox-close svg {
    width: 24px;
    height: 24px;
    color: var(--text-dark);
}

.lightbox-close:hover svg {
    color: white;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.lightbox-nav:hover {
    background: var(--primary-color);
}

.lightbox-nav svg {
    width: 24px;
    height: 24px;
    color: var(--text-dark);
}

.lightbox-nav:hover svg {
    color: white;
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

.lightbox-actions {
    display: flex;
    gap: 15px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.download-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.download-btn svg {
    width: 20px;
    height: 20px;
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Stagger animation for gallery items */
.gallery-item:nth-child(1) { animation-delay: 0.1s; }
.gallery-item:nth-child(2) { animation-delay: 0.15s; }
.gallery-item:nth-child(3) { animation-delay: 0.2s; }
.gallery-item:nth-child(4) { animation-delay: 0.25s; }
.gallery-item:nth-child(5) { animation-delay: 0.3s; }
.gallery-item:nth-child(6) { animation-delay: 0.35s; }
.gallery-item:nth-child(7) { animation-delay: 0.4s; }
.gallery-item:nth-child(8) { animation-delay: 0.45s; }
.gallery-item:nth-child(9) { animation-delay: 0.5s; }

/* Mobile Responsive */
@media (max-width: 768px) {
    body {
        padding: 15px;
    }

    .header h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .logo {
        width: 100px;
        height: 100px;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 15px;
    }

    .lightbox-nav {
        width: 40px;
        height: 40px;
    }

    .lightbox-nav svg {
        width: 20px;
        height: 20px;
    }

    .lightbox-prev {
        left: 10px;
    }

    .lightbox-next {
        right: 10px;
    }

    .lightbox-close {
        width: 40px;
        height: 40px;
        top: 10px;
        right: 10px;
    }

    .download-btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.7rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 10px;
    }
}