/* Collective Union preview — client-facing warm palette + Brand Kit v1.05 (operator) */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600&family=Montserrat:wght@300;400;500;600&display=swap');

:root {
  /* Warm palette — default (client-facing) */
  --ink: #3F2D20;
  --ink-mid: #5D4B3A;
  --taupe: #7C6F60;
  --stone-warm: #988F82;
  --stone-soft: #AEA79C;
  --stone-pale: #C2BBB1;
  --parchment: #F2ECE1;
  --cream: #FCFAF6;
  --brass: #B49E8B;
  --brass-deep: #8C7443;

  /* Applied roles */
  --bg: var(--cream);
  --surface: #FFFFFF;
  --surface-alt: var(--parchment);
  --border: rgba(63, 45, 32, 0.12);
  --border-strong: rgba(63, 45, 32, 0.22);
  --text: var(--ink);
  --text-mid: var(--ink-mid);
  --text-muted: var(--taupe);
  --accent: var(--brass);
  --accent-deep: var(--brass-deep);

  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  --shadow-soft: 0 1px 2px rgba(63, 45, 32, 0.04), 0 2px 8px rgba(63, 45, 32, 0.03);
  --shadow-lift: 0 2px 4px rgba(63, 45, 32, 0.05), 0 8px 24px rgba(63, 45, 32, 0.06);

  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

/* Operator surfaces override — Brand Kit v1.05 cool palette */
.operator {
  --ink: #444343;
  --ink-mid: #656A71;
  --taupe: #7F7B6F;
  --stone-warm: #B1AEAA;
  --stone-soft: #D8D6CD;
  --stone-pale: #E1E0DF;
  --parchment: #F4F3F0;
  --cream: #FFFFFF;
  --brass: #AB927D;
  --brass-deep: #8C7730;

  --bg: var(--parchment);
  --surface: #FFFFFF;
  --surface-alt: var(--stone-pale);
  --border: rgba(68, 67, 67, 0.14);
  --border-strong: rgba(68, 67, 67, 0.22);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 500; color: var(--text); letter-spacing: -0.01em; margin: 0; }
h1 { font-size: 44px; line-height: 1.05; font-weight: 400; }
h2 { font-size: 32px; line-height: 1.15; }
h3 { font-size: 22px; line-height: 1.2; }
h4 { font-size: 17px; line-height: 1.3; font-weight: 500; font-family: var(--sans); letter-spacing: 0.01em; }

.eyebrow {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}

p { margin: 0 0 12px; color: var(--text-mid); }

/* Layout */
.shell { min-height: 100vh; display: flex; flex-direction: column; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 32px; width: 100%; }
.grid { display: grid; gap: 16px; }
.stack { display: flex; flex-direction: column; gap: 14px; }
.row { display: flex; align-items: center; gap: 16px; }

/* Header / nav */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(180%) blur(6px);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; }
.brand { font-family: var(--serif); font-size: 22px; font-weight: 500; color: var(--text); text-decoration: none; letter-spacing: -0.005em; }
.brand span { color: var(--accent-deep); }
.nav { display: flex; gap: 24px; }
.nav a { color: var(--text-mid); text-decoration: none; font-size: 13px; font-weight: 500; letter-spacing: 0.02em; }
.nav a:hover { color: var(--text); }
.nav a.active { color: var(--accent-deep); }

/* Token gate */
.gate {
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  background: var(--surface-alt);
  padding: 40px 20px;
}
.gate-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  max-width: 460px;
  width: 100%;
  box-shadow: var(--shadow-lift);
  text-align: center;
}
.gate-card .brand { display: block; margin-bottom: 8px; }
.gate-card .eyebrow { justify-content: center; }
.gate-card h2 { font-size: 26px; margin-bottom: 12px; }
.gate-input {
  width: 100%;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-family: var(--sans);
  font-size: 14px;
  color: var(--text);
  letter-spacing: 0.08em;
  text-align: center;
  margin: 24px 0 20px;
  outline: none;
  transition: border-color 160ms ease;
}
.gate-input:focus { border-color: var(--accent-deep); }
.gate-meta { color: var(--text-muted); font-size: 12px; margin-top: 12px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--text);
  background: var(--text);
  color: var(--cream);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  cursor: pointer;
  transition: opacity 160ms ease, transform 160ms ease;
}
.btn:hover { opacity: 0.88; }
.btn-secondary {
  background: transparent; color: var(--text); border-color: var(--border-strong);
}
.btn-secondary:hover { background: var(--surface-alt); opacity: 1; }
.btn-brass { background: var(--accent-deep); border-color: var(--accent-deep); color: var(--cream); }

/* Hero */
.hero { padding: 88px 0 56px; }
.hero-eyebrow { color: var(--accent-deep); }
.hero h1 { max-width: 780px; margin-bottom: 20px; }
.hero-lede { font-size: 17px; color: var(--text-mid); max-width: 640px; line-height: 1.55; }

/* Module tiles */
.modules { padding: 40px 0 96px; }
.modules-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
.module-tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 22px 22px;
  text-decoration: none;
  color: var(--text);
  transition: border-color 200ms ease, transform 200ms ease, box-shadow 200ms ease;
  display: flex;
  flex-direction: column;
  min-height: 148px;
}
.module-tile:hover { border-color: var(--border-strong); transform: translateY(-1px); box-shadow: var(--shadow-lift); }
.module-tile .route {
  font-family: 'SF Mono', Menlo, Consolas, monospace;
  font-size: 11px;
  color: var(--accent-deep);
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}
.module-tile h3 { font-size: 20px; margin-bottom: 6px; font-weight: 500; }
.module-tile p { font-size: 12.5px; color: var(--text-muted); margin: 0; line-height: 1.5; }
.module-tile .audience {
  margin-top: auto;
  padding-top: 14px;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Product cards */
.catalogue-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px 0;
  gap: 20px;
}
.filters { display: flex; gap: 10px; flex-wrap: wrap; }
.filter-chip {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-mid);
  cursor: pointer;
  transition: all 160ms ease;
}
.filter-chip:hover, .filter-chip.active { background: var(--text); color: var(--cream); border-color: var(--text); }

.product-grid { grid-template-columns: repeat(4, 1fr); gap: 20px; }
.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 200ms ease;
}
.product-card:hover { box-shadow: var(--shadow-lift); }
.product-thumb {
  aspect-ratio: 1 / 1;
  background: var(--surface-alt);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  font-family: var(--serif);
  font-size: 30px;
  border-bottom: 1px solid var(--border);
}
.product-body { padding: 16px 16px 18px; }
.product-body .supplier {
  font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 6px;
}
.product-body h4 { margin-bottom: 6px; font-size: 15px; font-family: var(--serif); font-weight: 500; letter-spacing: -0.005em; }
.product-body .sku { font-family: 'SF Mono', Menlo, Consolas, monospace; font-size: 11px; color: var(--text-muted); margin-bottom: 10px; }
.product-body .rrp { font-size: 13px; color: var(--text); font-weight: 500; }
.product-body .rrp .label { color: var(--text-muted); font-weight: 400; font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; }

/* Status badges — tonal, never bright */
.status {
  display: inline-flex; align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid transparent;
}
.status.approved { background: rgba(140, 116, 67, 0.08); color: var(--brass-deep); border-color: rgba(140, 116, 67, 0.2); }
.status.pending { background: rgba(124, 111, 96, 0.08); color: var(--taupe); border-color: rgba(124, 111, 96, 0.22); }
.status.review { background: rgba(93, 75, 58, 0.08); color: var(--ink-mid); border-color: rgba(93, 75, 58, 0.2); }
.status.blocked { background: rgba(63, 45, 32, 0.08); color: var(--ink); border-color: rgba(63, 45, 32, 0.25); }
.status.poa { background: transparent; color: var(--text-muted); border-color: var(--border-strong); }

/* Operator panels */
.operator .site-header { background: var(--surface); border-bottom: 1px solid var(--border); }
.operator .container { max-width: 1360px; }
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 22px;
}
.panel-title {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px;
}
.panel-title h3 { font-family: var(--sans); font-weight: 600; font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-mid); }

.stat {
  display: flex; flex-direction: column; gap: 4px;
}
.stat .value { font-family: var(--serif); font-size: 34px; font-weight: 500; color: var(--text); line-height: 1; }
.stat .label { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-muted); }
.stat .delta { font-size: 11px; color: var(--brass-deep); font-weight: 500; }

.register-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.register-table th {
  text-align: left; font-family: var(--sans); font-weight: 600; font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-muted); padding: 10px 12px; border-bottom: 1px solid var(--border);
}
.register-table td { padding: 12px; border-bottom: 1px solid var(--border); color: var(--text-mid); }
.register-table td:first-child, .register-table th:first-child { padding-left: 4px; }
.register-table tr:last-child td { border-bottom: none; }
.register-table .num { text-align: right; font-variant-numeric: tabular-nums; color: var(--text); font-weight: 500; }
.register-table .pct { text-align: right; font-variant-numeric: tabular-nums; color: var(--text-muted); font-size: 11.5px; }

/* Progress bar */
.progress { height: 4px; background: var(--surface-alt); border-radius: 2px; overflow: hidden; }
.progress > div { height: 100%; background: var(--accent-deep); }

/* Studio spine */
.spine { display: grid; grid-template-columns: 260px 1fr; gap: 24px; padding: 24px 0 96px; }
.spine-nav { position: sticky; top: 88px; align-self: start; }
.spine-nav h4 { font-family: var(--sans); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 12px; }
.spine-item {
  display: block;
  padding: 10px 14px;
  border-radius: var(--radius);
  color: var(--text-mid);
  text-decoration: none;
  font-size: 13px;
  margin-bottom: 2px;
  border-left: 2px solid transparent;
  transition: all 160ms ease;
}
.spine-item:hover { background: var(--surface); color: var(--text); }
.spine-item.active { background: var(--surface); color: var(--text); border-left-color: var(--accent-deep); font-weight: 500; }
.spine-item .sub { display: block; font-size: 10.5px; color: var(--text-muted); letter-spacing: 0.06em; text-transform: uppercase; margin-top: 2px; }

/* Room/concept cards */
.concept-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
.concept-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.concept-thumb {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--stone-pale), var(--parchment));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif);
  color: var(--taupe);
  font-size: 24px;
  position: relative;
}
.concept-thumb .version { position: absolute; top: 12px; left: 12px; font-family: 'SF Mono', Menlo, monospace; font-size: 10px; color: var(--text-muted); letter-spacing: 0.08em; }
.concept-body { padding: 14px 16px 16px; }
.concept-body h4 { font-family: var(--serif); font-size: 17px; font-weight: 500; margin-bottom: 4px; letter-spacing: -0.005em; }
.concept-body .meta { font-size: 11.5px; color: var(--text-muted); }

/* In-Situ split view */
.situ-canvas {
  aspect-ratio: 16 / 10;
  border-radius: 12px;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 40px 44px;
  color: #FCFAF6;
  margin: 0;
}
.situ-canvas-image {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.situ-canvas::before {
  content: ''; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(63,45,32,0.08) 0%, transparent 45%, rgba(63,45,32,0.55) 100%);
  pointer-events: none;
}
.situ-canvas-title { z-index: 1; max-width: 620px; }
.situ-canvas h2 { color: #FCFAF6; font-size: 44px; margin: 0 0 6px; text-shadow: 0 2px 16px rgba(63,45,32,0.35); letter-spacing: -0.01em; }
.situ-canvas-caption {
  font-family: var(--sans); font-size: 12.5px; color: rgba(252,250,246,0.88);
  letter-spacing: 0.02em; text-shadow: 0 1px 8px rgba(63,45,32,0.4);
}
.situ-canvas-eyebrow {
  position: absolute; top: 32px; left: 44px;
  font-family: var(--sans); font-size: 10.5px; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(252,250,246,0.9); z-index: 1;
  text-shadow: 0 1px 6px rgba(63,45,32,0.5);
}
.situ-swatch-strip { position: absolute; right: 44px; bottom: 44px; display: flex; gap: 8px; z-index: 1; }
.situ-swatch {
  width: 44px; height: 44px; border-radius: 6px;
  border: 1.5px solid rgba(252,250,246,0.7);
  box-shadow: 0 2px 10px rgba(63,45,32,0.3);
}

/* Alternate-zone thumbnail grid */
.situ-thumbs { margin: 28px 0 12px; }
.situ-thumbs-eyebrow {
  font-family: var(--sans); font-size: 10.5px; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 14px;
}
.situ-thumbs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.situ-thumb {
  aspect-ratio: 4 / 3; border-radius: 10px; overflow: hidden;
  background-size: cover; background-position: center;
  border: 1px solid var(--border);
  position: relative; margin: 0; cursor: pointer;
  transition: transform 220ms ease, box-shadow 220ms ease;
}
.situ-thumb:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(63,45,32,0.18); }
.situ-thumb::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(63,45,32,0.65) 100%);
  pointer-events: none;
}
.situ-thumb figcaption {
  position: absolute; left: 16px; right: 16px; bottom: 14px; z-index: 1;
  color: #FCFAF6; display: flex; flex-direction: column; gap: 2px;
}
.situ-thumb-label {
  font-family: var(--serif); font-size: 22px; font-weight: 400;
  text-shadow: 0 2px 10px rgba(63,45,32,0.45);
}
.situ-thumb-meta {
  font-family: var(--sans); font-size: 11px; letter-spacing: 0.04em;
  color: rgba(252,250,246,0.85); text-shadow: 0 1px 6px rgba(63,45,32,0.5);
}

.selection-pane { display: grid; grid-template-columns: 220px 1fr; gap: 20px; padding: 20px 0; }
.selection-list { list-style: none; padding: 0; margin: 0; }
.selection-list li {
  padding: 10px 12px;
  border-radius: var(--radius);
  font-size: 12.5px;
  color: var(--text-mid);
  cursor: pointer;
  transition: background 140ms ease;
}
.selection-list li:hover { background: var(--surface-alt); color: var(--text); }
.selection-list li.active { background: var(--text); color: var(--cream); font-weight: 500; }

/* Footer */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  margin-top: auto;
}
.footer .container { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }

/* Meta / breadcrumb */
.breadcrumb {
  padding: 20px 0 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb .sep { margin: 0 10px; opacity: 0.5; }

/* Section headers */
.section-head { padding: 40px 0 20px; }
.section-head h2 { margin-bottom: 4px; }
.section-head .sub { font-size: 13px; color: var(--text-muted); }

@media (max-width: 960px) {
  .modules-grid, .product-grid, .concept-grid { grid-template-columns: repeat(2, 1fr); }
  .spine { grid-template-columns: 1fr; }
  .spine-nav { position: static; }
  .container { padding: 0 20px; }
  h1 { font-size: 34px; }
  h2 { font-size: 26px; }
}