/* ============================================
   OG BE — ART PORTAL
   Monochrome, minimal design
   ============================================ */

:root {
  --bg: #000000;
  --bg2: #0a0a0a;
  --panel: #111111;
  --border: #1a1a1a;
  --border2: #222222;
  --text: #f0f0f0;
  --text-dim: #666666;
  --text-muted: #444444;
  --accent: #ffffff;
  --font: 'Courier New', Courier, monospace;
  --font2: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  min-height: 100vh;
}

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(0,0,0,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.site-logo {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  text-decoration: none;
  flex-shrink: 0;
}
.site-nav {
  display: flex;
  gap: 24px;
  align-items: center;
}
.site-nav a {
  font-family: var(--font2);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}
.site-nav a:hover, .site-nav a.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 1px;
  background: var(--text);
  transition: all 0.2s;
}

/* HERO */
.hero {
  border-bottom: 1px solid var(--border);
  padding: 80px 24px;
  text-align: center;
}
.hero-eyebrow {
  font-family: var(--font2);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(40px, 8vw, 80px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-sub {
  font-family: var(--font2);
  font-size: 14px;
  color: var(--text-dim);
  max-width: 480px;
  margin: 0 auto 32px;
  line-height: 1.7;
}
.hero-meta {
  display: flex;
  gap: 32px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-stat {
  text-align: center;
}
.hero-stat-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  display: block;
}
.hero-stat-label {
  font-family: var(--font2);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.hero-divider {
  width: 1px;
  background: var(--border2);
}

/* SECTIONS */
.section { padding: 64px 24px; }
.section + .section { border-top: 1px solid var(--border); }
.container { max-width: 1200px; margin: 0 auto; }
.section-header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 40px;
}
.section-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
}
.section-count {
  font-family: var(--font2);
  font-size: 11px;
  color: var(--text-muted);
}
.section-desc {
  font-family: var(--font2);
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: 40px;
}

/* UPCOMING / BIO LAYOUT */
.upcoming-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 48px;
  align-items: start;
}
.bio-col {
  min-width: 0;
}
.ogbe-bio {
  font-family: var(--font2);
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.75;
}
.ogbe-bio p {
  margin: 0 0 16px 0;
}
.ogbe-bio strong {
  color: var(--text);
}
.bio-links-col {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.bio-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.bio-link-x, .bio-link-email {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font2);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-decoration: none;
  padding: 10px 14px;
  border: 1px solid var(--border2);
  background: var(--panel);
  transition: color 0.2s, border-color 0.2s;
}
.bio-link-x:hover, .bio-link-email:hover {
  color: var(--accent);
  border-color: var(--accent);
}
.notify-mini {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border2);
}
.notify-mini .notify-form {
  flex-direction: column;
}

@media (max-width: 768px) {
  .upcoming-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .bio-links {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

/* COLLECTION CARDS */
.collections-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.collection-card {
  background: var(--bg2);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-decoration: none;
  transition: background 0.2s;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.collection-card:hover { background: var(--panel); }
.collection-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}
.collection-card:hover::before { transform: scaleX(1); }
.collection-card-art {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  aspect-ratio: 1/1;
  overflow: hidden;
}
.collection-card-banner .collection-card-art {
  grid-template-columns: 1fr;
  aspect-ratio: 3/1;
}
.collection-card-banner .art-thumb img {
  object-fit: cover;
  width: 100%;
  height: 100%;
}
.art-thumb {
  background: var(--panel);
  overflow: hidden;
  position: relative;
}
.art-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(100%);
  transition: filter 0.3s, transform 0.3s;
}
.collection-card:hover .art-thumb img {
  filter: grayscale(0%);
  transform: scale(1.05);
}
.art-thumb-placeholder {
  width: 100%;
  height: 100%;
  background: var(--panel);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}
.collection-card-info { display: flex; flex-direction: column; gap: 6px; }
.collection-card-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
}
.collection-card-meta {
  font-family: var(--font2);
  font-size: 11px;
  color: var(--text-dim);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.collection-card-desc {
  font-family: var(--font2);
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.collection-card-arrow {
  font-family: var(--font2);
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-top: auto;
  transition: color 0.2s;
}
.collection-card:hover .collection-card-arrow { color: var(--accent); }

/* PIECE GRID */
.pieces-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
}
.piece-card {
  background: var(--bg2);
  text-decoration: none;
  display: block;
  overflow: hidden;
  transition: background 0.2s;
  cursor: pointer;
}
.piece-card:hover { background: var(--panel); }
.piece-card-img {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--panel);
  position: relative;
}
.piece-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(100%);
  transition: filter 0.3s, transform 0.3s;
}
.piece-card:hover .piece-card-img img {
  filter: grayscale(0%);
  transform: scale(1.05);
}
.piece-card-info { padding: 12px 14px; }
.piece-card-name {
  font-size: 11px;
  color: var(--text);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.piece-card-id {
  font-family: var(--font2);
  font-size: 9px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}
.piece-card-sat {
  font-family: var(--font2);
  font-size: 9px;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-top: 4px;
}
.piece-card-placeholder {
  aspect-ratio: 1;
  background: var(--panel);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font2);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

/* BACK LINK */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font2);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-decoration: none;
  margin-bottom: 32px;
  transition: color 0.2s;
  cursor: pointer;
}
.back-link:hover { color: var(--accent); }

/* COLLECTION DETAIL */
.collection-detail-header {
  margin-bottom: 48px;
}
.collection-detail-title {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--accent);
  margin-bottom: 12px;
}
.collection-detail-count {
  font-family: var(--font2);
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 16px;
}
.collection-detail-desc {
  font-family: var(--font2);
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.8;
  max-width: 680px;
}

/* UPCOMING / NOTIFY */
.notify-bar {
  border-top: 1px solid var(--border);
  padding: 48px 24px;
  text-align: center;
}
.notify-bar .container {
  max-width: 600px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.notify-label {
  font-family: var(--font2);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.notify-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
}
.notify-form {
  display: flex;
  gap: 8px;
  width: 100%;
  max-width: 400px;
}
.notify-form input {
  flex: 1;
  background: var(--panel);
  border: 1px solid var(--border2);
  color: var(--text);
  padding: 12px 16px;
  font-family: var(--font);
  font-size: 13px;
  outline: none;
  border-radius: 0;
  transition: border-color 0.2s;
}
.notify-form input:focus { border-color: var(--text-dim); }
.notify-form input::placeholder { color: var(--text-muted); }
.notify-form button {
  background: var(--accent);
  color: var(--bg);
  border: none;
  padding: 12px 20px;
  font-family: var(--font);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: opacity 0.2s;
  border-radius: 0;
}
.notify-form button:hover { opacity: 0.85; }

/* FOOTER */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px 24px 32px;
}
.site-footer .container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: gap;
}
.footer-logo {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  text-decoration: none;
}
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  font-family: var(--font2);
  font-size: 11px;
  color: var(--text-dim);
  text-decoration: none;
  letter-spacing: 0.1em;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }
.footer-copy {
  font-family: var(--font2);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

#mainContent {
  opacity: 1;
  transition: opacity 0.25s ease;
}
#mainContent.fade-out {
  opacity: 0;
}
.hidden { display: none !important; }

/* PIECE VIEWER MODAL */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.modal.open {
  opacity: 1;
  pointer-events: auto;
}
.modal-inner {
  position: relative;
  width: 90vw;
  height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 0;
  transform: scale(0.96);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.modal.open .modal-inner {
  opacity: 1;
  transform: scale(1);
}
.modal-nav {
  position: absolute;
  top: -48px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 10;
  width: 100%;
}
.modal-back, .modal-close-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 22px;
  cursor: pointer;
  padding: 6px 10px;
  transition: color 0.2s;
  line-height: 1;
}
.modal-back:hover, .modal-close-btn:hover { color: var(--accent); }
#modalContent {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}
#modalContent img {
  max-width: 100%;
  max-height: calc(100% - 60px);
  object-fit: contain;
  display: block;
}
}
#modalContent .modal-piece-info {
  margin-top: 16px;
  text-align: center;
  color: var(--text-dim);
  font-family: var(--font2);
  font-size: 12px;
  letter-spacing: 0.1em;
}
#modalContent .modal-piece-info .modal-piece-name {
  font-size: 14px;
  color: var(--text);
  margin-bottom: 4px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .site-nav { display: none; }
  .nav-toggle { display: flex; }
  .site-header .container { gap: 16px; }
  .site-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    gap: 16px;
  }
  .hero { padding: 60px 24px; }
  .collections-grid { grid-template-columns: 1fr; }
  .pieces-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
  .site-footer .container { flex-direction: column; align-items: flex-start; gap: 20px; }
  .notify-form { flex-direction: column; width: 100%; }
  .hero-divider { display: none; }
}