/* ==============================================
   INTELLEX FABRICA — Brand Tokens
   Single source of truth for all products.
   Edit here → applies everywhere.
   ============================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Rajdhani:wght@400;600;700&display=swap');

:root {
  /* --- Backgrounds (darkest → lightest) --- */
  --bg: #0d1628;
  --bg0: #060c18;
  --bg1: #121a2e;
  --bg2: #192134;
  --bg3: #1f2840;

  /* --- Brand Blue-Purple --- */
  --p1: #6666ff;
  --p2: #4444cc;
  --p3: #2222aa;

  /* --- Accents --- */
  --acc: #a3aaff;
  --acc2: #c8aaff;
  --acc3: #a3a3ff;

  /* --- Orange (CTA / Warning) --- */
  --hab: #f98513;
  --hab-dark: #e07610;
  --hab-light: #ffaa55;
  --hab-dim: rgba(249, 133, 19, 0.12);

  /* --- Borders --- */
  --border: rgba(102, 102, 255, 0.15);
  --border2: rgba(102, 102, 255, 0.3);
  --steel: rgba(102, 102, 255, 0.22);

  /* --- Text --- */
  --text: #e8e0f5;
  --text-mid: rgba(232, 224, 245, 0.6);
  --text-dim: rgba(232, 224, 245, 0.45);
  --muted: rgba(232, 224, 245, 0.6); /* alias → --text-mid */
  --dim: rgba(232, 224, 245, 0.45); /* alias → --text-dim */

  /* --- Semantic (status / alerts) --- */
  --warn: #f98513;
  --danger: #e04040;
  --good: #1a8a50;
  --good-light: #3de080;

  /* --- Typography --- */
  --sans: 'Inter', sans-serif;
  --mono: 'Inter', sans-serif;
  --display: 'Rajdhani', sans-serif;

  /* --- Font sizes --- */
  --fs-2xs: 8px; /* badges, tiny SVG labels */
  --fs-xs: 9px; /* captions, letter-spaced uppercase */
  --fs-sm: 10px; /* dense mono labels */
  --fs-base: 11px; /* secondary UI text */
  --fs-md: 12px; /* standard labels */
  --fs-body: 13px; /* body copy */
  --fs-lg: 14px; /* comfortable reading */
  --fs-xl: 16px; /* sub-headers */
  --fs-2xl: 18px; /* card titles */
  --fs-3xl: 20px; /* panel / section titles */
  --fs-4xl: 26px; /* large headings */
  --fs-5xl: 32px; /* page titles */
  --fs-6xl: 36px; /* large display */
  --fs-7xl: 42px; /* hero / cover */
  --fs-8xl: 48px; /* oversized hero */

  /* --- RGB decompositions (for color-mix / rgba math) --- */
  --bg-rgb: 13, 22, 40;
  --p1-rgb: 102, 102, 255;
  --p2-rgb: 68, 68, 204;
  --p3-rgb: 34, 34, 170;
  --hab-rgb: 249, 133, 19;
  --acc-rgb: 163, 170, 255;
  --text-rgb: 232, 224, 245;
  --good-light-rgb: 61, 224, 128;
  --danger-rgb: 224, 64, 64;

  /* --- Data-viz palette (diagram layers) --- */
  --viz-iot: #22d3ee;
  --viz-ops: #34d399;
  --viz-qual: #fb923c;
  --viz-anly: #e879f9;
  --viz-raw: #92b1f5; /* raw material node */
  --viz-raw-rgb: 146, 177, 245;
  --viz-mach: #56d49a; /* machine parameter node */
  --viz-mach-rgb: 86, 212, 154;

  /* --- Layout --- */
  --sidebar: 200px;
}

/* --- Global base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  background-color: var(--bg);
  background-image: radial-gradient(ellipse at 100% 0%, color-mix(in srgb, var(--hab) 14%, transparent) 0%, transparent 50%), radial-gradient(ellipse at 0% 100%, color-mix(in srgb, var(--p3) 42%, transparent) 0%, transparent 55%), linear-gradient(color-mix(in srgb, var(--p1) 10%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--p1) 4%, transparent) 1px, transparent 1px);
  background-size:
    100% 100%,
    100% 100%,
    48px 48px,
    48px 48px;
  color: var(--text);
  font-family: var(--sans);
  margin: 0;
}

/* --- Presentation deck (1280×720 slide canvas) --- */
.deck {
  width: 1280px;
  height: 720px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform-origin: center center;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--p1) 20%, transparent);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--p1) 8%, transparent),
    0 32px 80px rgba(0, 0, 0, 0.85);
  background-color: var(--bg);
  background-image: radial-gradient(ellipse at 100% 0%, color-mix(in srgb, var(--hab) 10%, transparent) 0%, transparent 50%), radial-gradient(ellipse at 0% 100%, color-mix(in srgb, var(--p3) 40%, transparent) 0%, transparent 55%), linear-gradient(color-mix(in srgb, var(--p1) 4%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--p1) 3%, transparent) 1px, transparent 1px);
  background-size:
    100% 100%,
    100% 100%,
    48px 48px,
    48px 48px;
}

/* --- Presentation shell (llmcontext.html, playbook.html) --- */
.header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 46px;
  background: rgba(var(--bg-rgb), 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 14px;
}
.logo {
  font-family: var(--display);
  font-size: var(--fs-3xl);
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text);
}
.logo span {
  color: var(--p1);
}
.hdiv {
  width: 1px;
  height: 20px;
  background: rgba(var(--p1-rgb), 0.25);
}
.htitle {
  font-size: var(--fs-sm);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--text-dim);
  font-family: var(--mono);
}
.hbadge {
  margin-left: auto;
  font-family: var(--mono);
  font-size: var(--fs-sm);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--hab);
  border: 1px solid rgba(var(--hab-rgb), 0.35);
  padding: 3px 10px;
  border-radius: 3px;
}
.main {
  position: absolute;
  top: 46px;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(var(--bg-rgb), 0.95);
  border-bottom: 1px solid var(--border);
  padding: 6px 16px;
  gap: 6px;
  flex-shrink: 0;
  overflow-x: auto;
  scrollbar-width: none; /* Firefox */
}
.tabs::-webkit-scrollbar {
  display: none; /* Chrome/Safari */
}
.tab {
  font-family: var(--mono);
  font-size: var(--fs-md);
  letter-spacing: 0.4px;
  text-transform: uppercase;
  padding: 5px 12px;
  cursor: pointer;
  color: var(--text-dim);
  border: 1px solid transparent;
  background: transparent;
  border-radius: 20px;
  transition:
    color 0.15s,
    background 0.15s,
    border-color 0.15s;
  white-space: nowrap;
  flex-shrink: 0;
}
.tab:hover {
  color: var(--text-mid);
  background: rgba(255, 255, 255, 0.06);
}
.tab.active {
  color: var(--hab);
  border-color: rgba(var(--hab-rgb), 0.5);
  background: rgba(var(--hab-rgb), 0.06);
}

/* --- Sidebar layout (shell → sidebar + content) --- */
.shell {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}
.sidebar {
  width: var(--sidebar);
  background: rgba(6, 12, 24, 0.85);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}
.sb-head {
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  font-family: var(--mono);
  font-size: var(--fs-xs);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
}
.sb-label {
  font-family: var(--mono);
  font-size: var(--fs-xs);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 12px 16px 4px;
  display: block;
}
.nav-list {
  flex: 1;
  overflow-y: auto;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  cursor: pointer;
  font-size: var(--fs-md);
  color: var(--text-dim);
  transition: all 0.15s;
  border-left: 2px solid transparent;
}
.nav-item:hover {
  color: var(--text-mid);
  background: rgba(var(--p1-rgb), 0.05);
}
.nav-item.active {
  color: var(--hab);
  border-left-color: var(--hab);
  background: rgba(var(--hab-rgb), 0.05);
}
.nav-num {
  font-family: var(--mono);
  font-size: var(--fs-xs);
  width: 18px;
  flex-shrink: 0;
  opacity: 0.6;
}
.nav-item.active .nav-num {
  opacity: 1;
  color: var(--hab);
}
.section { display: none; }
.section.active { display: block; }

.scene {
  display: none;
  flex: 1;
  padding: 18px 24px;
  overflow-y: auto;
  min-height: 0;
}
.scene.active {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.panel {
  background: var(--bg1);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}
.ph {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 2px solid var(--hab);
  font-family: var(--sans);
  font-size: var(--fs-body);
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--hab);
  padding: 10px 14px 8px;
  background: rgba(var(--hab-rgb), 0.04);
}
.pb {
  padding: 16px;
}
.btn {
  font-family: var(--mono);
  font-size: var(--fs-body);
  letter-spacing: 1px;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--text-mid);
  padding: 7px 16px;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s;
}
.btn:hover {
  background: var(--bg3);
  color: var(--text);
  border-color: var(--p1);
}
.btn-primary {
  font-family: var(--mono);
  font-size: var(--fs-body);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
  background: none;
  padding: 14px 20px;
  border: 1px solid rgba(var(--hab-rgb), 0.35);
  border-radius: 4px;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.btn-primary:hover {
  border-color: var(--hab);
  color: var(--hab);
}
.btn-secondary {
  background: var(--p1);
  color: #fff;
  border-color: var(--p1);
}
.btn-secondary:hover {
  background: var(--hab);
  border-color: var(--hab);
}
.btn.amber {
  background: var(--hab-dim);
  border-color: var(--hab);
  color: var(--hab);
}
.scene-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 24px;
  border-top: 1px solid var(--border);
  background: rgba(var(--bg-rgb), 0.6);
  flex-shrink: 0;
}
.dots {
  display: flex;
  gap: 6px;
  align-items: center;
}
.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border2);
  cursor: pointer;
  transition: all 0.2s;
}
.dot.on {
  background: var(--hab);
  width: 18px;
  border-radius: 3px;
}

/* --- .ph color variants --- */
.ph.purple {
  border-top-color: var(--p1);
  color: var(--p1);
  background: rgba(var(--p1-rgb), 0.04);
}
.ph.green {
  border-top-color: var(--good-light);
  color: var(--good-light);
  background: rgba(var(--good-light-rgb), 0.04);
}
.ph.red {
  border-top-color: var(--danger);
  color: var(--danger);
  background: rgba(var(--danger-rgb), 0.04);
}
.ph.acc {
  border-top-color: var(--acc);
  color: var(--acc);
  background: rgba(var(--acc-rgb), 0.04);
}

/* --- Underline tab (process views, sidebars) --- */
.tab-underline {
  font-family: var(--mono);
  font-size: var(--fs-base);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 9px 18px;
  cursor: pointer;
  color: rgba(var(--text-rgb), 0.35);
  border: none;
  background: transparent;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
  margin-bottom: -1px;
  display: flex;
  align-items: center;
  gap: 7px;
}
.tab-underline:hover  { color: rgba(var(--text-rgb), 0.7); }
.tab-underline.active { color: var(--hab); border-bottom-color: var(--hab); }

/* --- Pill / toggle button --- */
.pill {
  font-family: var(--mono);
  font-size: var(--fs-sm);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 3px;
  border: 1px solid var(--border2);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.15s;
}
.pill:hover  { color: var(--text-mid); border-color: var(--p1); }
.pill.active { color: var(--hab); border-color: var(--hab); background: rgba(var(--hab-rgb), 0.06); }

/* --- Tags --- */
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 9px;
}
.tag {
  font-family: var(--mono);
  font-size: var(--fs-sm);
  padding: 2px 8px;
  border-radius: 3px;
  border: 1px solid var(--border2);
  color: var(--text-mid);
  background: var(--bg2);
  text-decoration: none;
}
.tag.purple {
  background: rgba(var(--p1-rgb), 0.1);
  border-color: rgba(var(--p1-rgb), 0.3);
  color: var(--acc);
}
.tag.green {
  background: rgba(var(--good-light-rgb), 0.08);
  border-color: rgba(var(--good-light-rgb), 0.3);
  color: var(--good-light);
}
.tag.amber {
  background: rgba(var(--hab-rgb), 0.08);
  border-color: rgba(var(--hab-rgb), 0.3);
  color: var(--hab);
}
.tag.red {
  background: rgba(var(--danger-rgb), 0.08);
  border-color: rgba(var(--danger-rgb), 0.3);
  color: var(--danger);
}
.tag.blue {
  background: rgba(var(--acc-rgb), 0.08);
  border-color: rgba(var(--acc-rgb), 0.3);
  color: var(--acc);
}

/* --- Callouts --- */
.callout {
  border-radius: 4px;
  padding: 11px 13px;
  border-left: 3px solid;
  font-size: var(--fs-body);
  color: var(--text-mid);
  line-height: 1.65;
}
.callout.green {
  background: rgba(var(--good-light-rgb), 0.05);
  border-color: var(--good-light);
}
.callout.amber {
  background: rgba(var(--hab-rgb), 0.06);
  border-color: var(--hab);
}
.callout.red {
  background: rgba(var(--danger-rgb), 0.06);
  border-color: var(--danger);
}
.callout.purple {
  background: rgba(var(--p1-rgb), 0.06);
  border-color: var(--p1);
}
.callout.blue {
  background: rgba(var(--p1-rgb), 0.06);
  border-color: var(--p1);
}
.callout strong {
  color: var(--text);
  font-weight: 600;
}
.callout em {
  color: var(--acc);
  font-style: italic;
}

/* --- Section headings (website + portal) --- */
.section-eyebrow {
  font-family: var(--mono);
  font-size: var(--fs-base);
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--hab);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-eyebrow::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--hab);
}
.section-h2 {
  font-family: var(--display);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: 16px;
  max-width: 700px;
}
.section-h2 em {
  font-style: normal;
  color: var(--p1);
}
.section-sub {
  font-size: var(--fs-xl);
  line-height: 1.75;
  color: var(--muted);
  max-width: 580px;
  margin-bottom: 40px;
}

/* --- Tooltip --- */
.tooltip {
  position: fixed;
  pointer-events: none;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  max-width: 260px;
  z-index: 300;
  opacity: 0;
  transition: opacity 0.12s;
  font-size: var(--fs-lg);
  line-height: 1.5;
}
.tooltip.show {
  opacity: 0.95;
}
.tt-title {
  font-family: var(--display);
  font-size: var(--fs-xl);
  font-weight: 600;
  margin-bottom: 4px;
}
.tt-body {
  color: var(--text);
  font-size: var(--fs-body);
}

/* --- Scrollbar --- */
::-webkit-scrollbar       { width: 3px; height: 3px; }
::-webkit-scrollbar-track { background: var(--bg1); }
::-webkit-scrollbar-thumb { background: var(--steel); border-radius: 2px; }

/* --- Header spacer (companion to fixed .header) --- */
.header-spacer { height: 48px; flex-shrink: 0; pointer-events: none; }

/* --- Pulse animation --- */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

/* --- Fade-up entrance animation --- */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up {
  opacity: 0;
  animation: fade-up 0.7s ease forwards;
}
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.35s; }
@media (prefers-reduced-motion: reduce) {
  .fade-up { animation: none; opacity: 1; }
}

/* --- Modal overlay (base — components add sizing/color overrides) --- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(6, 12, 24, 0.85);
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal-box {
  background: var(--bg1);
  border: 1px solid var(--border2);
  border-radius: 4px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
  display: flex;
  flex-direction: column;
}