:root {
  --base: #15110d;
  --base-raised: #1c1712;
  --paper: #ede6da;
  --paper-dim: #b6ac9c;
  --line: #3a342c;
  --safelight: #c8432c;
  --edge-code: #c99a4a;
  --frame-radius: 2px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--base);
  color: var(--paper);
  font-family: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---------- film grain ---------- */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 60;
  opacity: 0.05;
  mix-blend-mode: overlay;
}
@media (prefers-reduced-motion: no-preference) {
  .grain { animation: grain-shift 1.1s steps(4) infinite; }
}
@keyframes grain-shift {
  0%   { transform: translate(0,0); }
  25%  { transform: translate(-1%, 1%); }
  50%  { transform: translate(1%, -1%); }
  75%  { transform: translate(-1%, -1%); }
  100% { transform: translate(0,0); }
}

/* ---------- sprocket rail ---------- */
.rail {
  position: fixed;
  top: 0; bottom: 0;
  width: 22px;
  background-color: #0d0a08;
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 10px,
    var(--base) 10px,
    var(--base) 22px
  );
  z-index: 50;
}
.rail::before,
.rail::after { content: ""; }
.rail-left { left: 0; }
.rail-right { right: 0; }
.rail .hole {
  position: absolute;
  left: 50%;
  width: 10px; height: 14px;
  background: var(--base);
  border-radius: 2px;
  transform: translateX(-50%);
}

main, header, footer { margin: 0 26px; }

/* ---------- header ---------- */
header {
  padding: 48px 4px 20px;
  border-bottom: 1px solid var(--line);
}
.wordmark {
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 700;
  font-size: clamp(44px, 9vw, 96px);
  line-height: 0.86;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin: 0;
}
.wordmark small {
  display: block;
  font-size: 0.32em;
  font-weight: 500;
  color: var(--paper-dim);
  letter-spacing: 1px;
}
.masthead-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin-top: 14px;
  color: var(--paper-dim);
  font-size: 12px;
}
.masthead-meta a { color: var(--paper-dim); }
.masthead-meta a:hover { color: var(--safelight); }

nav.reels {
  display: flex;
  gap: 4px;
  margin-top: 26px;
  flex-wrap: wrap;
}
nav.reels button {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--paper-dim);
  font-family: inherit;
  font-size: 12px;
  padding: 8px 14px;
  cursor: pointer;
  border-radius: var(--frame-radius);
  transition: border-color 0.15s, color 0.15s;
}
nav.reels button:hover { color: var(--paper); border-color: var(--paper-dim); }
nav.reels button[aria-pressed="true"] {
  color: var(--base);
  background: var(--edge-code);
  border-color: var(--edge-code);
}

/* ---------- contact sheet grid ---------- */
.sheet {
  padding: 28px 0 60px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 110px;
  gap: 3px;
}
@media (max-width: 900px) {
  .sheet { grid-template-columns: repeat(3, 1fr); grid-auto-rows: 90px; }
}
@media (max-width: 540px) {
  .sheet { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 78px; }
}

.frame {
  position: relative;
  overflow: hidden;
  background: var(--base-raised);
  cursor: zoom-in;
  border: none;
  padding: 0;
  display: block;
  width: 100%;
  height: 100%;
}
.frame img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(0.06) contrast(1.04);
  transition: transform 0.5s cubic-bezier(.2,.7,.2,1), filter 0.4s;
}
.frame:hover img { transform: scale(1.045); filter: grayscale(0) contrast(1.08); }

.frame .tag {
  position: absolute;
  left: 6px; bottom: 5px;
  font-size: 10px;
  color: var(--edge-code);
  background: linear-gradient(to top, rgba(10,8,6,0.85), transparent);
  padding: 10px 6px 3px 0;
  letter-spacing: 0.5px;
  pointer-events: none;
}
.frame .cat {
  position: absolute;
  right: 6px; top: 5px;
  font-size: 10px;
  color: var(--paper-dim);
  background: rgba(10,8,6,0.55);
  padding: 2px 6px;
  border-radius: 2px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
}
.frame:hover .cat { opacity: 1; }

.frame .pick {
  position: absolute;
  top: 50%; left: 50%;
  width: 34px; height: 34px;
  margin: -17px 0 0 -17px;
  border: 1.5px solid var(--safelight);
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.2s, transform 0.3s;
  transform: scale(0.8);
  pointer-events: none;
}
.frame:hover .pick { opacity: 0.85; transform: scale(1); }

/* varied spans for a contact-sheet rhythm, applied via nth-of-type */
.sheet .frame:nth-of-type(7n+1)  { grid-column: span 2; grid-row: span 2; }
.sheet .frame:nth-of-type(11n+4) { grid-column: span 2; }
.sheet .frame:nth-of-type(13n+6) { grid-row: span 2; }

/* ---------- empty state ---------- */
.empty {
  padding: 80px 4px 120px;
  max-width: 520px;
}
.empty h2 {
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 30px;
  margin: 0 0 10px;
}
.empty p { color: var(--paper-dim); margin: 0 0 6px; }
.empty code {
  background: var(--base-raised);
  padding: 2px 6px;
  border-radius: 2px;
  color: var(--edge-code);
}

/* ---------- lightbox ---------- */
.viewer {
  position: fixed;
  inset: 0;
  background: rgba(9,7,5,0.96);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 60px 60px 90px;
}
.viewer.open { display: flex; }
.viewer figure {
  margin: 0;
  max-width: 92vw;
  max-height: 78vh;
  text-align: center;
}
.viewer img {
  max-width: 92vw;
  max-height: 78vh;
  object-fit: contain;
  border: 1px solid var(--line);
}
.viewer figcaption {
  margin-top: 14px;
  color: var(--paper-dim);
  font-size: 12px;
  letter-spacing: 0.3px;
}
.viewer figcaption b { color: var(--edge-code); font-weight: 500; }

.viewer .close,
.viewer .nav {
  position: absolute;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--paper);
  font-family: inherit;
  cursor: pointer;
  border-radius: var(--frame-radius);
}
.viewer .close { top: 22px; right: 26px; padding: 8px 12px; font-size: 12px; }
.viewer .nav { top: 50%; transform: translateY(-50%); padding: 14px 10px; font-size: 18px; }
.viewer .prev { left: 20px; }
.viewer .next { right: 20px; }
.viewer .close:hover,
.viewer .nav:hover { border-color: var(--safelight); color: var(--safelight); }

footer {
  padding: 26px 4px 60px;
  color: var(--paper-dim);
  font-size: 11px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
footer a { color: var(--paper-dim); }
footer a:hover { color: var(--safelight); }

:focus-visible {
  outline: 2px solid var(--safelight);
  outline-offset: 2px;
}