/* ============================================================
   Martynas — pure visual portfolio
   Masonry gallery. Filter by discipline. No body copy.
   ============================================================ */

:root {
  --bg:      #0a0b0d;
  --surface: #14171c;
  --line:    #23272e;
  --line-2:  #2c313a;
  --text:    #f4f5f6;
  --muted:   #aab0b7;
  --faint:   #767c84;
  --accent:  #6ef0ac;
  --sans:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --gap: 14px;
  --pad: clamp(14px, 3vw, 34px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font-family: var(--sans); }
a { color: inherit; text-decoration: none; }

/* ---------- toolbar (filters only) ---------- */
.toolbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; justify-content: center;
  padding: 14px var(--pad);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.toolbar.scrolled { border-bottom-color: var(--line); }
.filters { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.filter {
  background: var(--surface); border: 1px solid var(--line); color: var(--muted);
  padding: 8px 16px; border-radius: 999px; font-size: .85rem; cursor: pointer;
  font-family: var(--sans); transition: all .2s; white-space: nowrap;
}
.filter:hover { color: var(--text); border-color: var(--line-2); }
.filter.active { background: var(--accent); color: #07140d; border-color: var(--accent); font-weight: 500; }

/* ---------- masonry gallery ---------- */
.gallery {
  column-gap: var(--gap);
  padding: var(--pad);
  columns: 4 280px;
}
@media (max-width: 1100px) { .gallery { columns: 3 260px; } }
@media (max-width: 720px)  { .gallery { columns: 2 160px; } }

.tile {
  position: relative; display: block; width: 100%;
  margin: 0 0 var(--gap); break-inside: avoid;
  border-radius: 14px; overflow: hidden;
  background: var(--surface); border: 1px solid var(--line);
  cursor: zoom-in; opacity: 0; transform: translateY(14px);
  transition: opacity .5s ease, transform .5s ease, border-color .25s;
}
.tile.in { opacity: 1; transform: none; }
.tile:hover { border-color: var(--line-2); }
.tile img, .tile video { width: 100%; height: auto; display: block; transition: transform .6s ease; }
.tile:hover img, .tile:hover video { transform: scale(1.045); }
.tile.hide { display: none; }

/* label overlay */
.tile__meta {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 28px 14px 12px;
  background: linear-gradient(to top, rgba(5,6,8,.86), transparent);
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  opacity: 0; transform: translateY(6px); transition: opacity .25s, transform .25s;
  pointer-events: none;
}
.tile:hover .tile__meta { opacity: 1; transform: none; }
.tile__name { font-size: .82rem; font-weight: 500; color: #fff; letter-spacing: -.01em; }
.tile__live { font-size: .68rem; color: var(--accent); display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; }
.tile__live .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
.tile__cat {
  position: absolute; top: 10px; left: 10px;
  font-size: .64rem; letter-spacing: .08em; text-transform: uppercase;
  color: #fff; background: rgba(5,6,8,.5); backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.12); padding: 4px 9px; border-radius: 999px;
  opacity: 0; transition: opacity .25s;
}
.tile:hover .tile__cat { opacity: 1; }

/* video tiles get a small play affordance */
.tile__play {
  position: absolute; top: 10px; right: 10px; z-index: 2;
  width: 26px; height: 26px; border-radius: 50%;
  background: rgba(5,6,8,.5); backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.14);
  display: grid; place-items: center; color: #fff; font-size: .6rem;
}

/* ---------- footer ---------- */
.footer {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 26px var(--pad); border-top: 1px solid var(--line);
  color: var(--faint); font-size: .85rem;
}
.footer .mark { display: inline-flex; align-items: center; gap: 9px; color: var(--text); font-weight: 600; }
.footer .mark .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 20%, transparent); }
.footer a:hover { color: var(--accent); }

/* ---------- lightbox ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 100; display: none;
  background: rgba(5,6,8,.94); backdrop-filter: blur(10px);
  align-items: center; justify-content: center; padding: 4vw;
}
.lightbox.open { display: flex; }
.lightbox__stage { max-width: 92vw; max-height: 90vh; display: grid; place-items: center; }
.lightbox__stage img, .lightbox__stage video { max-width: 92vw; max-height: 90vh; border-radius: 12px; display: block; }
.lightbox__close {
  position: absolute; top: 20px; right: 24px; z-index: 2;
  background: none; border: 0; color: var(--muted); font-size: 1.5rem; cursor: pointer; line-height: 1;
}
.lightbox__close:hover { color: var(--text); }