:root {
    --background: #111;
    --surface: #181818;
    --text: #f5f5f5;
    --muted: #999;
    --gap: 12px;
    --max-width: 1400px;
}

* {
    box-sizing: border-box;
}

html {
    background: var(--background);
    color: var(--text);

    font-family:
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--background);
}

img {
    display: block;
    max-width: 100%;
}

.container {
    width: min(
        calc(100% - 32px),
        var(--max-width)
    );
    margin-inline: auto;
}


/* Header */
.site-header {
    padding: 72px 0 48px;
}

.eyebrow {
    margin: 0 0 8px;
    color: var(--muted);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

h1 {
    margin: 0;
    font-size: clamp(
        2.5rem,
        7vw,
        5rem
    );
    line-height: 0.95;
    letter-spacing: -0.04em;
}

.intro {
    max-width: 550px;
    margin: 24px 0 0;
    color: var(--muted);
    font-size: 1.1rem;
    line-height: 1.6;
}


/* Masonry gallery */
.gallery {
    column-count: 3;
    column-gap: var(--gap);
}

.gallery__item {
    display: block;
    width: 100%;
    margin: 0 0 var(--gap);
    overflow: hidden;
    background: var(--surface);
    border-radius: 4px;
    break-inside: avoid;
    page-break-inside: avoid;
}

.gallery__item img {
    display: block;
    width: 100%;
    height: auto;
    transition:
        transform 300ms ease,
        opacity 300ms ease;
}

.gallery__item:hover img {
    transform: scale(1.025);
    opacity: 0.88;
}

/* Empty gallery */
.gallery-empty {
    margin: 40px 0;
    color: var(--muted);
}

/* Footer */
.site-footer {
    padding: 64px 0 32px;
    color: var(--muted);
    font-size: 0.85rem;
}

/* Tablet */
@media (max-width: 1100px) {
    .gallery {
        column-count: 3;
    }
}

/* Mobile */
@media (max-width: 700px) {
    .container {
        width: min(
            calc(100% - 20px),
            var(--max-width)
        );
    }

    .site-header {
        padding: 48px 0 32px;
    }

    .gallery {
        column-count: 2;
        column-gap: 8px;
    }

    .gallery__item {
        margin-bottom: 8px;
    }
}

/* Small phones */
@media (max-width: 450px) {
    .gallery {
        column-count: 1;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .gallery__item img {
        transition: none;
    }
}