:root {
  --bg: #0e0f10;
  --bg-raised: #16171a;
  --line: #232420;
  --text: #ece7de;
  --text-dim: #8a8478;
  --accent: #b08d57;
  --accent-soft: rgba(176, 141, 87, 0.16);

  --display: "Fraunces", Georgia, serif;
  --body: "Inter", -apple-system, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

a { color: inherit; }

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1.4rem 2rem;
  background: linear-gradient(to bottom, rgba(14,15,16,0.92), rgba(14,15,16,0));
  backdrop-filter: blur(6px);
}

.site-title {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.site-tagline {
  font-family: var(--body);
  font-weight: 400;
  font-size: 0.75rem;
  letter-spacing: 0.01em;
  color: var(--text-dim);
  margin-top: 0.15rem;
}

.site-count {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
}

/* ---------- Intro ---------- */

.intro {
  max-width: 640px;
  margin: 3rem auto 3.5rem;
  padding: 0 2rem;
  text-align: center;
}

.intro-eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.9rem;
}

.intro-text {
  font-family: var(--display);
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  font-weight: 400;
  line-height: 1.5;
  color: var(--text);
  margin: 0;
}

@media (max-width: 720px) {
  .intro { padding: 0 1.2rem; margin-bottom: 2.5rem; }
}

/* ---------- Grid ---------- */

.grid {
  columns: 4 280px;
  column-gap: 0.6rem;
  padding: 0 2rem 4rem;
}

@media (max-width: 720px) {
  .grid { columns: 2 160px; padding: 0 0.8rem 3rem; }
  .hero-caption { left: 1rem; }
}

.frame {
  break-inside: avoid;
  margin-bottom: 0.6rem;
  position: relative;
  cursor: zoom-in;
  overflow: hidden;
  background: var(--bg-raised);
}

.frame img {
  width: 100%;
  display: block;
  transition: transform 0.5s ease, filter 0.5s ease;
}

.frame:hover img {
  transform: scale(1.03);
}

.frame-label {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 0.7rem 0.8rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--text);
  background: linear-gradient(to top, rgba(10,10,11,0.85), transparent);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.frame:hover .frame-label {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Lightbox ---------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(8, 8, 9, 0.97);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 3rem 2rem;
}

.lightbox.open { display: flex; }

.lightbox-inner {
  max-width: 1100px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox img {
  max-width: 100%;
  max-height: 72vh;
  object-fit: contain;
  box-shadow: 0 30px 80px rgba(0,0,0,0.6);
}

.lightbox-meta {
  width: 100%;
  max-width: 1100px;
  margin-top: 1.1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.lightbox-title {
  font-family: var(--display);
  font-size: 1.25rem;
}

.lightbox-readout {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

.lightbox-close,
.lightbox-nav {
  position: fixed;
  background: none;
  border: none;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 0.8rem;
  transition: color 0.2s ease;
}

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

.lightbox-close { top: 1.2rem; right: 1.5rem; font-size: 1.4rem; }
.lightbox-nav.prev { left: 0.5rem; top: 50%; transform: translateY(-50%); font-size: 1.8rem; }
.lightbox-nav.next { right: 0.5rem; top: 50%; transform: translateY(-50%); font-size: 1.8rem; }

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

/* ---------- Footer ---------- */

.site-footer {
  padding: 2rem;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  border-top: 1px solid var(--line);
}