@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap');

:root {
    --bg-color: #0a0a0a;
    --text-color: #ffffff;
    --accent-color: #888;
    --grid-gap: 20px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* Header */
header {
    padding: 4rem 2rem;
    text-align: center;
}

h1 {
    font-weight: 300;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
    text-transform: uppercase;
}

.subtitle {
    font-size: 0.8rem;
    letter-spacing: 3px;
    color: var(--accent-color);
    margin-bottom: 2rem;
    text-transform: uppercase;
}

/* Filter Navigation */
.filter-nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: nowrap;
    /* Force single line */
    overflow-x: auto;
    /* Allow scroll on small screens */
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 5px;
    /* Space for scrollbar if visible */

    /* Hide scrollbar for cleaner look */
    scrollbar-width: none;
    /* Firefox */
    -ms-overflow-style: none;
    /* IE 10+ */
}

.filter-nav::-webkit-scrollbar {
    display: none;
    /* Chrome Safari */
}

.filter-btn {
    background: none;
    border: 1px solid transparent;
    color: var(--accent-color);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    color: var(--text-color);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Gallery Grid */
/* Gallery Grid */
.gallery-grid {
    column-count: 3;
    column-gap: var(--grid-gap);
    padding: 0 2rem 4rem;
    max-width: 1600px;
    margin: 0 auto;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    break-inside: avoid;
    margin-bottom: var(--grid-gap);
    background: #1a1a1a;
    cursor: pointer;
    /* Removed aspect-ratio to allow natural height (masonry effect) */
}

.gallery-item img {
    width: 100%;
    height: auto;
    /* Natural height */
    display: block;
    /* Removes bottom space */
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.gallery-item .overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* Responsive */
@media (max-width: 768px) {
    .filter-nav {
        gap: 1rem;
        justify-content: flex-start;
        padding: 0 1rem;
    }

    .filter-btn {
        font-size: 0.7rem;
        padding: 0.4rem 0.8rem;
    }

    .gallery-grid {
        /* Keep 3 columns even on mobile as requested */
        column-count: 3;
        column-gap: 10px;
        padding: 0 0.5rem 2rem;
        /* Reduce padding to give more space to images */
    }

    .gallery-item {
        margin-bottom: 10px;
    }
}

/* Contact Button */
.contact-btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    background-color: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--text-color);
    text-decoration: none;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 2px;
    transition: all 0.3s ease;
    border-radius: 50px;
    /* Pillow shape for elegant look */
    position: relative;
    overflow: hidden;
}

.contact-btn:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
    border-color: var(--text-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.1);
}