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

:root {
    --color-bg: #f8f8f8;
    --color-text: #2a2a2a;
    --color-border: #e0e0e0;
    --color-accent: #555;
    --color-hover: #333;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    overflow-x: hidden;
}

header {
    padding: 3rem 2rem;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
    background: linear-gradient(180deg, #ffffff 0%, var(--color-bg) 100%);
}

header h1 {
    font-size: 2.2rem;
    font-weight: 300;
    letter-spacing: -0.5px;
    margin-bottom: 0.5rem;
}

header p {
    font-size: 0.95rem;
    color: #888;
    font-weight: 300;
}

.gallery-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.masonry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    auto-rows: 200px;
    gap: 1.5rem;
    padding: 0;
}

.masonry-item {
    position: relative;
    overflow: hidden;
    border-radius: 6px;
    background: var(--color-border);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid #d5d5d5;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.masonry-item:nth-child(3n) {
    grid-row: span 2;
}

.masonry-item:nth-child(5n) {
    grid-column: span 2;
}

.masonry-item:hover {
    border-color: var(--color-accent);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.masonry-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.masonry-item:hover img {
    transform: scale(1.08);
}

.masonry-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(42, 42, 42, 0.7) 0%, rgba(85, 85, 85, 0.8) 100%);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    padding: 1.5rem;
    gap: 0.8rem;
}

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

.overlay-icon {
    font-size: 2rem;
    opacity: 0.9;
}

.overlay-title {
    font-weight: 600;
    font-size: 1rem;
}

.overlay-description {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.85);
}

.filter-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.6rem 1.5rem;
    background: white;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

.gallery-stats {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 0.85rem;
    color: #888;
}

footer {
    background: #ffffff;
    border-top: 1px solid var(--color-border);
    padding: 2.5rem 2rem;
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

footer p {
    margin: 0.5rem 0;
}

/* Адаптивный дизайн */
@media (max-width: 1024px) {
    .gallery-wrapper {
        padding: 2rem 1.5rem;
    }

    .masonry-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        auto-rows: 180px;
        gap: 1.2rem;
    }

    .masonry-item:nth-child(5n) {
        grid-column: span 1;
    }

    header h1 {
        font-size: 1.8rem;
    }
}

@media (max-width: 768px) {
    header {
        padding: 2rem 1rem;
    }

    header h1 {
        font-size: 1.5rem;
    }

    header p {
        font-size: 0.9rem;
    }

    .gallery-wrapper {
        padding: 1.5rem 1rem;
    }

    .masonry-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        auto-rows: 160px;
        gap: 1rem;
    }

    .masonry-item:nth-child(3n) {
        grid-row: span 1;
    }

    .filter-controls {
        gap: 0.6rem;
        margin-bottom: 1.5rem;
    }

    .filter-btn {
        padding: 0.5rem 1.2rem;
        font-size: 0.8rem;
    }

    .overlay-title {
        font-size: 0.9rem;
    }

    .overlay-description {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    header {
        padding: 1.5rem 1rem;
    }

    header h1 {
        font-size: 1.2rem;
        margin-bottom: 0.3rem;
    }

    header p {
        font-size: 0.85rem;
    }

    .gallery-wrapper {
        padding: 1rem 0.8rem;
    }

    .masonry-grid {
        grid-template-columns: repeat(2, 1fr);
        auto-rows: 140px;
        gap: 0.8rem;
    }

    .filter-controls {
        gap: 0.5rem;
        margin-bottom: 1rem;
    }

    .filter-btn {
        padding: 0.4rem 1rem;
        font-size: 0.75rem;
    }

    .overlay-icon {
        font-size: 1.5rem;
    }

    .overlay-title {
        font-size: 0.8rem;
    }

    .overlay-description {
        font-size: 0.7rem;
        display: none;
    }

    footer {
        padding: 1.5rem 1rem;
    }

    footer p {
        font-size: 0.8rem;
    }
}