:root {
  --bg: #0a0a0a;
  --bg-2: #141414;
  --bg-3: #1a1a1a;
  --text: #f0ede8;
  --text-2: #8a8a8a;
  --accent: #e8522a;
  --border: #252525;
  --mono: "Space Mono", monospace;
  --font-display: "Space Mono", monospace;
  --font-body: "Inter", sans-serif;
  --max-w: 1200px;
  --nav-h: 64px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Nav */
body > nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 100;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
body > nav.scrolled { border-color: var(--border); }
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
}
.accent-dot { color: var(--accent); }
.nav-logo-sub {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--text-2);
  margin-left: 8px;
  font-weight: 400;
}
.nav-links {
  display: flex;
  gap: 32px;
}
.nav-links a {
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  padding-bottom: 4px;
}
.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s var(--ease);
}
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--accent); }
.burger {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
}
.burger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.burger.open .burger-line:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.burger.open .burger-line:nth-child(2) { opacity: 0; }
.burger.open .burger-line:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Hero */
#archive-hero {
  padding: calc(var(--nav-h) + 16px) 24px 40px;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--accent);
  margin-bottom: 16px;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.hero-sub {
  color: var(--text-2);
  margin-top: 12px;
  max-width: 600px;
  font-size: 1.05rem;
}
.archive-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 24px;
  align-items: center;
  margin-top: 36px;
}
.archive-intro__copy { position: relative; z-index: 2; max-width: 520px; }
.archive-intro__copy p { color: var(--text-2); font-size: 1rem; }
.archive-intro__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}
.archive-intro__link span { transition: transform 0.2s ease; }
.archive-intro__link:hover span { transform: translateY(3px); }
.archive-intro__viewer {
  position: relative;
  z-index: 1;
  height: min(54vh, 560px);
  min-height: 400px;
  margin-top: -84px;
  margin-left: -36px;
  overflow: hidden;
  background: transparent;
  -webkit-mask-image:
    linear-gradient(to bottom, transparent 0%, black 14%, black 78%, transparent 100%),
    linear-gradient(to right, transparent 0%, black 9%, black 91%, transparent 100%);
  -webkit-mask-composite: destination-in;
  mask-image:
    linear-gradient(to bottom, transparent 0%, black 14%, black 78%, transparent 100%),
    linear-gradient(to right, transparent 0%, black 9%, black 91%, transparent 100%);
  mask-composite: intersect;
}
.archive-intro__viewer #splat-canvas { width: 100%; height: 100%; }
.archive-intro__viewer--empty { display: grid; place-items: center; color: var(--text-2); font-family: var(--mono); font-size: 0.75rem; }

/* Scan grid */
#scans { max-width: 1200px; margin: 0 auto; padding: 24px; }
.scans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.scan-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.scan-card:hover { transform: translateY(-3px); border-color: var(--accent); }
.scan-card__link { display: block; color: inherit; }
.scan-card__link:hover { text-decoration: none; color: inherit; }
.scan-card__media {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--bg-3);
}
.scan-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.scan-card:hover .scan-card__media img { transform: scale(1.04); }
.scan-card__num {
  position: absolute;
  top: 12px;
  right: 12px;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text);
  background: rgba(14, 14, 14, 0.75);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 4px;
}
.scan-card__body { padding: 16px; }
.scan-card__title { font-size: 1.1rem; font-weight: 600; }
.scan-card__loc {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
  margin-top: 4px;
}
.scan-card__desc {
  color: var(--text-2);
  font-size: 0.85rem;
  margin-top: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.scan-card__tags { margin-top: 10px; }

.tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--text-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 10px;
  margin: 0 6px 6px 0;
}

.empty { color: var(--text-2); font-family: var(--mono); }

/* Viewer */
#viewer {
  position: relative;
  margin-top: var(--nav-h);
  height: 60vh;
  min-height: 420px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
#splat-canvas { width: 100%; height: 100%; overflow: hidden; }
#splat-canvas canvas { display: block; width: 100%; height: 100%; }
.supersplat-frame {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: var(--bg);
}
.viewer-status {
  position: absolute;
  bottom: 16px;
  left: 16px;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-2);
  background: rgba(14, 14, 14, 0.8);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 4px;
  z-index: 10;
  pointer-events: none;
}
.viewer-status--streamed {
  top: 16px;
  bottom: auto;
  left: 50%;
  transform: translateX(-50%);
}
.viewer-status--hidden { display: none; }
.camera-copy-toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 100;
  width: min(430px, calc(100vw - 32px));
  padding: 16px;
  color: var(--text);
  background: rgba(14, 14, 14, 0.96);
  border: 1px solid var(--accent);
  border-radius: 6px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45);
}
.camera-copy-toast__title { display: block; font-family: var(--mono); font-size: 0.75rem; color: var(--accent); }
.camera-copy-toast__hint { margin: 6px 0 10px; color: var(--text-2); font-size: 0.85rem; }
.camera-copy-toast__output {
  max-height: 180px;
  margin: 0;
  padding: 10px;
  overflow: auto;
  color: var(--text-2);
  background: rgba(255, 255, 255, 0.04);
  font: 0.7rem/1.5 var(--mono);
  white-space: pre-wrap;
}
.camera-copy-toast__actions { display: flex; gap: 8px; margin-top: 12px; }
.camera-copy-toast__actions button {
  padding: 6px 10px;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 4px;
  font: 0.7rem var(--mono);
  cursor: pointer;
}
.camera-copy-toast__actions button:hover { border-color: var(--accent); color: var(--accent); }

/* Scan content */
.scan-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 48px 24px;
}
.scan-meta {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--accent);
}
.scan-title { font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 600; margin-top: 10px; }
.scan-location { font-family: var(--mono); font-size: 0.8rem; color: var(--text-2); margin-top: 6px; }
.scan-description { color: var(--text-2); margin-top: 14px; font-size: 1.02rem; }
.scan-tags { margin-top: 14px; }

.scan-story { margin-top: 40px; border-top: 1px solid var(--border); padding-top: 32px; }
.scan-story h2 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 28px 0 12px;
  letter-spacing: -0.01em;
}
.scan-story h2:first-child { margin-top: 0; }
.scan-story p { color: var(--text-2); margin-bottom: 14px; }
.scan-story ul, .scan-story ol { color: var(--text-2); margin: 0 0 14px 20px; }
.scan-story li { margin-bottom: 6px; }
.scan-story img { max-width: 100%; border-radius: 8px; margin: 16px 0; }
.scan-story pre {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  overflow-x: auto;
  margin: 16px 0;
  font-family: var(--mono);
  font-size: 0.8rem;
}
.scan-story blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 16px;
  color: var(--text-2);
  margin: 16px 0;
  font-style: italic;
}

/* Prev/next nav */
.scan-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.scan-nav__card { min-width: 0; }
.scan-nav__card:first-child:last-child { grid-column: 1 / -1; }
.scan-nav__card .scan-card__media { aspect-ratio: 2 / 1; }
.scan-nav__card .scan-card__body { padding: 12px 14px 14px; }
.scan-nav__label {
  margin-bottom: 8px;
  color: var(--accent);
  font: 0.65rem var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 28px 24px;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-2);
}
footer a { color: var(--text-2); }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 768px) {
  #viewer { height: 50vh; }
  .archive-intro { grid-template-columns: 1fr; gap: 28px; }
  .archive-intro__viewer { height: 380px; min-height: 0; margin-top: 0; margin-left: 0; }
  .scans-grid { grid-template-columns: 1fr; }
  .scan-nav { grid-template-columns: 1fr; }
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 28px 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-links a { margin-left: 0; font-size: 0.9rem; }
  .burger { display: flex; }
}