/* ---------- Tokens ---------- */
:root {
  --bg: #1b1a18;
  --surface: #242220;
  --ink: #ede7dd;
  --ink-muted: #a69c8d;
  --accent: #5e7d74;
  --accent-hover: #79988e;
  --border: #35322e;

  --font-display: "Fraunces", serif;
  --font-body: "Inter", -apple-system, sans-serif;

  --gap: 1.25rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); }
a:hover { color: var(--accent-hover); }

/* ---------- Header ---------- */
.site-header {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4.5rem 2rem 1.5rem;
}

.site-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0 0 0.4rem;
  letter-spacing: 0.01em;
}

.site-tagline {
  font-style: italic;
  font-family: var(--font-display);
  color: var(--ink-muted);
  margin: 0;
  font-size: 1.05rem;
}

/* ---------- Filter bar ---------- */
.filter-bar {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem 2rem;
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1.5rem;
}

.filter-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--ink-muted);
  font-family: var(--font-body);
  font-size: 0.85rem;
  padding: 0.45rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.filter-btn:hover { color: var(--ink); border-color: var(--ink-muted); }

.filter-btn.is-active {
  color: var(--bg);
  background: var(--accent);
  border-color: var(--accent);
}

/* ---------- Gallery grid ---------- */
.gallery {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 2rem 4rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--gap);
}

.photo-card {
  margin: 0;
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  background: var(--surface);
  cursor: pointer;
  aspect-ratio: 4 / 5;
}

.photo-card.is-hidden { display: none; }

.photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.photo-card:hover img { transform: scale(1.04); }

.photo-card figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 1rem 1rem 0.9rem;
  background: linear-gradient(to top, rgba(0,0,0,0.75), transparent);
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  transform: translateY(60%);
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.photo-card:hover figcaption,
.photo-card:focus-within figcaption {
  transform: translateY(0);
  opacity: 1;
}

.photo-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
}

.photo-meta {
  font-size: 0.8rem;
  color: var(--ink-muted);
}

.print-link {
  margin-top: 0.35rem;
  font-size: 0.8rem;
  font-weight: 500;
  text-decoration: none;
  width: fit-content;
  border-bottom: 1px solid currentColor;
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10, 9, 8, 0.95);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 3rem;
}

.lightbox.is-open { display: flex; }

.lightbox-img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 2px;
}

.lightbox-caption {
  position: absolute;
  bottom: 2rem;
  left: 0; right: 0;
  text-align: center;
  font-family: var(--font-display);
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.lightbox-close, .lightbox-nav {
  position: absolute;
  background: none;
  border: none;
  color: var(--ink);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  padding: 0.5rem;
}

.lightbox-close { top: 1.5rem; right: 1.5rem; }
.lightbox-prev { left: 1.5rem; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 1.5rem; top: 50%; transform: translateY(-50%); }

.lightbox-close:hover,
.lightbox-nav:hover { color: var(--accent); }

/* ---------- Footer ---------- */
.site-footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 2rem 4rem;
  color: var(--ink-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}

.site-footer p { margin: 0.3rem 0; }

/* ---------- Motion & focus ---------- */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}