/* =============================================================
   agents_course.css
   AI Agents — One Day Course · Anthropic-inspired design
   ============================================================= */

/* ============ FONTS ============ */
/* Fraunces — variable, upright (wt 300–700, optical size) */
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('fonts/fraunces.woff2') format('woff2');
}
/* Fraunces — variable, italic */
@font-face {
  font-family: 'Fraunces';
  font-style: italic;
  font-weight: 300 700;
  font-display: swap;
  src: url('fonts/fraunces-italic.woff2') format('woff2');
}
/* Caveat — variable (wt 400–700) */
@font-face {
  font-family: 'Caveat';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('fonts/caveat.woff2') format('woff2');
}
/* IBM Plex Mono — regular */
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/ibmplexmono-400.woff2') format('woff2');
}
/* IBM Plex Mono — medium */
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('fonts/ibmplexmono-500.woff2') format('woff2');
}
/* IBM Plex Mono — italic */
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/ibmplexmono-400-italic.woff2') format('woff2');
}
/* Inter — variable (wt 400–700) */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('fonts/inter.woff2') format('woff2');
}
/* JetBrains Mono — variable (wt 400–700) */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('fonts/jetbrainsmono.woff2') format('woff2');
}

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

/* ============ DESIGN TOKENS ============ */
:root {
  /* Stage — warm, editorial neutrals */
  --paper:   #FAF9F5;
  --paper-2: #F3EFE6;
  --paper-3: #E8E3D5;
  --cream:   #F5F0E6;

  /* Ink — warm near-black */
  --ink:      #1F1D1B;
  --ink-soft: #6E675D;
  --ink-hard: #0B0A09;

  /* Primary accent — Anthropic terra cotta */
  --clay:      #CC785C;
  --clay-soft: #E0A088;
  --clay-deep: #A84E30;

  /* Muted editorial palette */
  --peach:  #EFDFD0;
  --butter: #ECE3C4;
  --blush:  #EEDFD8;
  --mint:   #D4DECC;
  --sky:    #CBD6DB;
  --sage:   #DDD8C9;

  /* Restrained accents */
  --mustard: #C9A758;
  --sand:    #E0D9C6;
  --mushroom:#B0A491;
  --forest:  #4A6A3C;
  --electric:#2F4A74;

  /* Legacy aliases (kept for JS/SVG references) */
  --ochre:      #C9A758;
  --moss:       #4A6A3C;
  --dusty-blue: #CBD6DB;
  --plum:       #B0A491;

  /* Shadows & rules */
  --shadow:      rgba(31, 29, 27, 0.08);
  --shadow-soft: 0 1px 2px rgba(31,29,27,0.04), 0 8px 24px -10px rgba(31,29,27,0.10);
  --shadow-lift: 0 1px 3px rgba(31,29,27,0.05), 0 16px 36px -14px rgba(31,29,27,0.14);
  --rule:        rgba(31, 29, 27, 0.12);
}

/* ============ BASE ============ */
html, body {
  height: 100%;
  overflow: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Fraunces', serif;
  font-weight: 400;
  cursor: default;
}

/* Subtle warm atmosphere */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(ellipse at 20% 15%, rgba(204, 120, 92, 0.035) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 85%, rgba(201, 167, 88, 0.04) 0%, transparent 60%);
  z-index: 1;
}

/* Whisper of paper grain */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.12 0 0 0 0 0.11 0 0 0 0 0.10 0 0 0 0.025 0'/></filter><rect width='240' height='240' filter='url(%23n)'/></svg>");
  opacity: 0.6;
  z-index: 2;
}

/* ============ DECK ============ */
.deck { position: relative; width: 100vw; height: 100vh; z-index: 3; }

.slide {
  position: absolute;
  inset: 0;
  padding: 5rem 6rem 4rem;
  display: none;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
}

.slide.active { display: flex; animation: fadeIn 0.6s cubic-bezier(0.2, 0.7, 0.2, 1); }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============ TYPOGRAPHY ============ */
.eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--ink-soft);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: 1.25rem;
  opacity: 0.85;
}

h1 {
  font-family: 'Fraunces', serif;
  font-size: clamp(2.4rem, 4.6vw, 4rem);
  line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin-bottom: 1.5rem;
  font-weight: 400;
  font-variation-settings: "opsz" 96;
  max-width: 22ch;
}

h2 {
  font-family: 'Fraunces', serif;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 1.2rem;
  font-weight: 400;
  font-variation-settings: "opsz" 48;
}

h3 {
  font-family: 'Fraunces', serif;
  font-size: 1.2rem;
  font-style: normal;
  font-weight: 500;
  margin-bottom: 0.8rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}

p, li {
  font-family: 'Fraunces', serif;
  font-size: 1.08rem;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 64ch;
  font-weight: 400;
}

.hand {
  font-family: 'Caveat', cursive;
  font-weight: 500;
  color: var(--clay-deep);
  font-size: 1.1em;
}

.mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88em;
  letter-spacing: -0.01em;
}

ul { list-style: none; margin-top: 1rem; }

ul li {
  padding: 0.5rem 0 0.5rem 1.6rem;
  position: relative;
}

ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1.15rem;
  width: 0.8rem;
  height: 1px;
  background: var(--clay);
  border-radius: 1px;
  opacity: 0.8;
}

em     { font-style: italic; color: var(--clay-deep); font-family: 'Fraunces', serif; }
strong { color: var(--ink); font-weight: 500; }

/* ============ SCRIBBLE / HAND-DRAWN ============ */
.scribble-underline {
  display: inline-block;
  position: relative;
  color: var(--ink);
}
.scribble-underline::after {
  content: '';
  position: absolute;
  left: -2px; right: -2px; bottom: -4px;
  height: 6px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 6' preserveAspectRatio='none'><path d='M2,3.2 Q60,1.4 120,3.2 T198,3.2' stroke='%23CC785C' stroke-width='1.6' fill='none' stroke-linecap='round' opacity='0.9'/></svg>");
  background-size: 100% 100%;
  background-repeat: no-repeat;
}

.scribble-circle {
  display: inline-block;
  position: relative;
  padding: 0.05em 0.35em;
  color: var(--ink);
}
.scribble-circle::before {
  content: '';
  position: absolute;
  inset: -4px -8px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 40' preserveAspectRatio='none'><path d='M60,4 C95,4 114,14 114,20 C114,28 92,36 60,36 C28,36 6,28 6,20 C6,14 25,4 60,4 Z' stroke='%23CC785C' stroke-width='1.4' fill='none' stroke-linecap='round' opacity='0.85'/></svg>");
  background-size: 100% 100%;
  background-repeat: no-repeat;
}

/* ============ LAYOUT HELPERS ============ */
.two-col      { display: grid; grid-template-columns: 1fr 1fr;      gap: 4.5rem; align-items: start; }
.two-col-wide { display: grid; grid-template-columns: 1.4fr 1fr;    gap: 4rem;   align-items: start; }

/* Slide numbers are set automatically by JS from DOM order.
   Never edit slide-number text by hand; just reorder <section> elements. */
.slide-number {
  position: absolute;
  bottom: 1.4rem; right: 2rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  opacity: 0.4;
}

.slide-tag {
  position: absolute;
  top: 1.8rem; right: 2.2rem;
  font-family: 'Caveat', cursive;
  font-size: 1.15rem;
  color: var(--clay-deep);
  opacity: 0.7;
}

/* ============ NAV ============ */
.nav {
  position: fixed;
  bottom: 1.5rem; left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  gap: 0.25rem;
  align-items: center;
  background: rgba(250, 249, 245, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 0.4rem 0.8rem;
  border-radius: 100px;
  border: 1px solid var(--rule);
  box-shadow: var(--shadow-soft);
  transition: opacity 400ms ease, transform 400ms ease;
}
.nav button {
  background: transparent;
  border: none;
  color: var(--ink);
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.35rem 0.85rem;
  border-radius: 100px;
  letter-spacing: -0.005em;
  transition: background 0.2s ease, color 0.2s ease;
}
.nav button:hover { background: var(--paper-2); }
.nav .counter {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--ink-soft);
  padding: 0 0.6rem;
  letter-spacing: 0.05em;
}

/* Lock nav on slide 1 until checklist is done */
body.locked .nav {
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) translateY(20px);
}

/* ============ CARDS / BOXES ============ */
.card {
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 1.8rem;
  position: relative;
  box-shadow: var(--shadow-soft);
}
.card.tilt-l { background: var(--paper-2); }
.card.tilt-r { background: var(--cream); }

.card-header {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clay-deep);
  margin-bottom: 0.8rem;
}

.tape { display: none; }

.pin {
  position: absolute;
  width: 6px; height: 6px;
  background: var(--clay);
  border-radius: 50%;
  top: -3px; left: 1.8rem;
  opacity: 0.6;
}

/* ============ TITLE SLIDE ============ */
.title-slide.active {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 5rem;
  align-items: center;
  justify-items: start;
  padding: 4rem 6rem;
}
.title-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.title-slide h1 {
  font-size: clamp(2.6rem, 5.4vw, 4.6rem);
  max-width: 13ch;
  line-height: 1.02;
  letter-spacing: -0.03em;
}
.title-slide .course-name {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 400;
  font-size: 0.74rem;
  color: var(--ink-soft);
  margin: 0 0 2rem;
  letter-spacing: 0.18em;
  line-height: 1.1;
  text-transform: uppercase;
  opacity: 0.85;
}
.title-slide .course-name::before {
  content: none;
  margin-bottom: 3px;
}
.title-slide .subtitle {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 1.2rem;
  color: var(--ink-soft);
  margin-top: 1.4rem;
  font-weight: 400;
  max-width: 42ch;
  line-height: 1.45;
}
.title-slide .eyebrow { display: none; }

/* ============ NOTEPAD ============ */
.notepad {
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 2.2rem 2.4rem 1.8rem;
  box-shadow: var(--shadow-lift);
  position: relative;
  width: 100%;
  max-width: 440px;
  justify-self: center;
}
.notepad::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(180deg, rgba(31,29,27,0.06) 0%, transparent 100%);
  border-radius: 6px 6px 0 0;
}

.notepad-header { margin-bottom: 1.8rem; }
.notepad-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-soft);
  opacity: 0.6;
}
.notepad-title {
  font-family: 'Fraunces', serif;
  font-weight: 400;
  font-size: 1.6rem;
  color: var(--ink);
  margin: 0.6rem 0 1rem;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.notepad-rule {
  height: 1px;
  background: var(--ink);
  width: 32px;
  opacity: 0.85;
}

.checklist {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.check-item {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 1.1rem;
  padding: 0.9rem 0.6rem 0.9rem 0.4rem;
  border-radius: 3px;
  cursor: pointer;
  transition: background 240ms ease;
  position: relative;
  align-items: flex-start;
}
.check-item::before { display: none; }
.check-item:hover { background: rgba(31, 29, 27, 0.03); }

.check-box {
  width: 22px; height: 22px;
  border: 1.5px solid var(--ink);
  border-radius: 3px;
  background: transparent;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
  flex-shrink: 0;
  color: transparent;
  transition:
    background 240ms ease,
    border-color 240ms ease,
    transform 200ms cubic-bezier(0.34, 1.56, 0.64, 1);
}
.check-box:hover { border-color: var(--clay); }

.check-tick {
  width: 16px; height: 16px;
  stroke-dasharray: 30;
  stroke-dashoffset: 30;
  transition: stroke-dashoffset 360ms ease 60ms;
}
.check-item.checked .check-box {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--cream);
  animation: checkBounce 380ms cubic-bezier(0.34, 1.56, 0.64, 1);
}
.check-item.checked .check-tick { stroke-dashoffset: 0; }

@keyframes checkBounce {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.18); }
  100% { transform: scale(1); }
}

.check-body {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  transition: opacity 240ms ease;
}
.check-title {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--ink);
  letter-spacing: -0.01em;
  line-height: 1.25;
  transition: color 240ms ease;
}
.check-desc {
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--ink-soft);
  line-height: 1.5;
  letter-spacing: -0.005em;
  max-width: 42ch;
  margin-top: 0.15rem;
}
.check-item.checked .check-body { opacity: 0.48; }
.check-item.checked .check-title {
  text-decoration: line-through;
  text-decoration-thickness: 1px;
  text-decoration-color: rgba(31,29,27,0.4);
}

.notepad-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.8rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(31, 29, 27, 0.08);
}
.notepad-progress {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  opacity: 0.75;
}
.notepad-unlock {
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ink-soft);
  opacity: 0.6;
  letter-spacing: -0.005em;
  transition: opacity 320ms ease, color 320ms ease;
}
.notepad.complete .notepad-unlock { color: var(--moss); opacity: 1; }

.notepad.complete { animation: notepadPulse 520ms ease; }
@keyframes notepadPulse {
  0%   { box-shadow: var(--shadow-lift); }
  40%  { box-shadow: var(--shadow-lift), 0 0 0 6px rgba(74,106,60,0.1); }
  100% { box-shadow: var(--shadow-lift); }
}

.notepad-reset {
  position: absolute;
  top: 0.8rem; right: 0.9rem;
  background: transparent;
  border: none;
  padding: 0.2rem 0.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  opacity: 0;
  cursor: pointer;
  border-radius: 3px;
  transition: opacity 300ms ease, background 200ms ease, color 200ms ease;
}
.notepad:hover .notepad-reset { opacity: 0.45; }
.notepad-reset:hover { opacity: 1 !important; background: rgba(31,29,27,0.05); color: var(--clay); }

/* ============ DIAL — Slide 6 (Teenage Engineering style) ============ */
.dial-layout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 3.5rem;
  align-items: start;
  margin-top: 1.6rem;
}

.dial-col {
  display: flex;
  align-items: center;
  justify-content: center;
}

.dial-svg {
  width: 256px;
  height: 256px;
  cursor: grab;
  user-select: none;
  flex-shrink: 0;
  overflow: visible;
}
.dial-svg:active { cursor: grabbing; }

/* Arc track background */
.dial-arc-track {
  stroke: var(--paper-3);
}

/* Zone arc segments */
.dial-zone-arc {
  stroke: var(--paper-3);
  transition: stroke 0.22s ease, filter 0.22s ease, opacity 0.22s ease;
}
.dial-zone-arc.dz-past {
  stroke: var(--clay-soft);
  opacity: 0.55;
}
.dial-zone-arc.dz-active {
  stroke: var(--clay);
  filter: drop-shadow(0 0 4px rgba(204,120,92,0.4));
}

/* Indicator group & line */
.dial-indicator-group {
  transform-box: fill-box;
  transform-origin: 50% 50%;
  transition: transform 0.07s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.dial-indicator {
  stroke: var(--clay);
  stroke-width: 3.5;
  stroke-linecap: round;
}

/* Zone text labels (SVG <text> elements) */
.dial-zone-text {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  fill: var(--ink-soft);
  fill-opacity: 0.32;
  transition: fill 0.22s ease, fill-opacity 0.22s ease;
}
.dial-zone-text.dz-past {
  fill: var(--clay-soft);
  fill-opacity: 0.6;
}
.dial-zone-text.dz-active {
  fill: var(--clay-deep);
  fill-opacity: 1;
}

/* Info card */
.dial-info {
  position: relative;
  padding: 2rem 2.4rem 2rem 2.8rem;
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: 12px;
  box-shadow: var(--shadow-lift);
  display: flex;
  flex-direction: column;
  gap: 1.3rem;
  overflow: hidden;
}
/* Left accent bar */
.dial-info::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3.5px;
  background: linear-gradient(180deg, var(--clay-soft) 0%, var(--clay-deep) 100%);
  border-radius: 12px 0 0 12px;
}

.dial-info-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.dial-info-badge {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.59rem;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: var(--clay-deep);
  background: rgba(168,78,48,0.09);
  border: 1px solid rgba(168,78,48,0.2);
  border-radius: 999px;
  padding: 0.3rem 0.8rem;
  white-space: nowrap;
}

/* Progress dots */
.dial-progress {
  display: flex;
  gap: 0.42rem;
  align-items: center;
  flex-shrink: 0;
}
.dp-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--paper-3);
  transition: background 0.22s ease, transform 0.22s ease;
}
.dp-dot.dp-past {
  background: var(--clay-soft);
  opacity: 0.5;
}
.dp-dot.dp-active {
  background: var(--clay);
  transform: scale(1.45);
  box-shadow: 0 0 6px rgba(204,120,92,0.4);
}

/* Description */
.dial-info-desc {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 1.2rem;
  color: var(--ink);
  line-height: 1.58;
  margin: 0;
  transition: opacity 0.14s ease;
}

/* Example pills */
.dial-info-examples {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  transition: opacity 0.14s ease;
}
.dial-info-examples li {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.63rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 0.26rem 0.72rem;
}
.dial-info-examples li::before { display: none; }

/* Zero / one-shot explainer (zone 0 only) */
.dial-shot-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  transition: opacity 0.14s ease;
}
.dial-shot-pair[hidden] { display: none; }
.dial-shot {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 0.55rem 0.7rem 0.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.dial-shot-lbl {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clay);
}
.dial-shot-txt {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.38;
  color: var(--ink);
}
.dial-shot-eg {
  margin: 0;
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 0.78rem;
  color: var(--ink-soft);
  border-left: 2px solid var(--clay);
  padding: 0.05rem 0 0.05rem 0.55rem;
  line-height: 1.4;
}

/* Industries row */
.dial-info-industries {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  flex-wrap: wrap;
  padding-top: 0.9rem;
  border-top: 1px solid var(--rule);
}
.dial-ind-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.56rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  opacity: 0.55;
  white-space: nowrap;
  flex-shrink: 0;
}
.dial-ind-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.38rem;
}
.dial-ind-list li {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--clay-deep);
  background: rgba(168,78,48,0.07);
  border: 1px solid rgba(168,78,48,0.15);
  border-radius: 999px;
  padding: 0.18rem 0.6rem;
}
.dial-ind-list li::before { display: none; }

/* Tick helper classes */
.dial-tick       { stroke-linecap: round; }
.dial-tick-major { stroke-linecap: round; }

/* Hide legacy scale-description */
.scale-description { display: none; }

/* ============ AGENT ANATOMY — REDESIGN ============ */

/* Two-column layout: definition | rule | elements */
.ana-layout {
  display: grid;
  grid-template-columns: 1fr 1px 1.25fr;
  gap: 0 3rem;
  flex: 1;
  min-height: 0;
  margin-top: 1.2rem;
  align-items: start;
}

/* ---- Left: quote + steps ---- */
.ana-left {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  opacity: 0;
}
.ana-left.ana-left-in {
  animation: anaLeftIn 0.5s cubic-bezier(0.34, 1.0, 0.64, 1) forwards;
}
@keyframes anaLeftIn {
  from { opacity: 0; transform: translateX(-20px); }
  to   { opacity: 1; transform: translateX(0); }
}

.ana-quote {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 1.1rem;
  line-height: 1.62;
  color: var(--ink);
  margin: 0;
}

.ana-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.ana-step {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  opacity: 0;
  transform: translateX(-12px);
}
.ana-step.ana-step-in {
  animation: anaStepIn 0.38s cubic-bezier(0.34, 1.2, 0.64, 1) forwards;
}
.ana-step.ana-step-in:nth-child(1) { animation-delay: 160ms; }
.ana-step.ana-step-in:nth-child(2) { animation-delay: 260ms; }
.ana-step.ana-step-in:nth-child(3) { animation-delay: 360ms; }
.ana-step.ana-step-in:nth-child(4) { animation-delay: 460ms; }
@keyframes anaStepIn {
  to { opacity: 1; transform: translateX(0); }
}
.ana-step-n {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--clay);
  background: rgba(204,120,92,0.1);
  padding: 0.14rem 0.36rem;
  border-radius: 3px;
  flex-shrink: 0;
}
.ana-step-text {
  font-family: 'Fraunces', serif;
  font-size: 0.94rem;
  color: var(--ink);
  line-height: 1.45;
}
.ana-step-text em {
  font-style: italic;
  color: var(--ink-soft);
}

/* Highlighted words in the quote that map to cycle nodes */
.ana-q-hl {
  color: var(--clay-deep);
  font-style: normal;
}

/* ---- Agent cycle diagram ---- */
.ana-cycle {
  flex: 1;
  min-height: 0;
}
.ana-cycle-svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

/* Nodes */
.cycle-node {
  fill: var(--cream);
  stroke: var(--rule);
  stroke-width: 1.5;
  transition: stroke 0.3s ease, fill 0.3s ease;
}
.cycle-node-perceive { stroke: rgba(74,106,60,0.5); }   /* forest-tinted */
.cycle-node-reason   { stroke: rgba(181,161,69,0.5);  }  /* butter-tinted */
.cycle-node-act      { stroke: rgba(204,120,92,0.55); }  /* clay */
.cycle-node-iterate  { stroke: rgba(31,29,27,0.22); }    /* neutral */

/* Verb labels */
.cycle-verb {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  fill: var(--ink);
  text-anchor: middle;
}

/* Sub-labels */
.cycle-sub {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 10.5px;
  fill: var(--ink-soft);
  text-anchor: middle;
}

/* Centre GOAL text */
.cycle-goal-text {
  font-family: 'Fraunces', serif;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.04em;
  fill: var(--clay);
  fill-opacity: 0.85;
  text-anchor: middle;
}

/* Traveling dot */
.cycle-dot {
  fill: var(--clay);
  opacity: 0.85;
  filter: drop-shadow(0 0 3px rgba(204,120,92,0.6));
}

/* ---- Vertical rule ---- */
.ana-rule {
  background: var(--rule);
  align-self: stretch;
  transform-origin: top center;
  transform: scaleY(0);
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1) 40ms;
}
.ana-rule.ana-rule-in { transform: scaleY(1); }

/* ---- Right: element rows ---- */
.ana-right {
  display: flex;
  flex-direction: column;
}
.ana-right-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  margin: 0 0 0.4rem 0.9rem;
}

/* Single element row */
.ana-el {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 0 1rem;
  align-items: start;
  padding: 0.72rem 0.9rem;
  border-left: 2.5px solid transparent;
  border-radius: 0 8px 8px 0;
  cursor: pointer;
  opacity: 0;
  transform: translateX(18px);
  transition: border-color 0.22s ease, background 0.22s ease;
}
.ana-el + .ana-el { border-top: 1px solid var(--rule); }
.ana-el.ana-el-in {
  animation: anaElIn 0.4s cubic-bezier(0.34, 1.1, 0.64, 1) forwards;
}
.ana-el.ana-el-in:nth-child(2) { animation-delay: 80ms;  }
.ana-el.ana-el-in:nth-child(3) { animation-delay: 160ms; }
.ana-el.ana-el-in:nth-child(4) { animation-delay: 240ms; }
.ana-el.ana-el-in:nth-child(5) { animation-delay: 320ms; }
.ana-el.ana-el-in:nth-child(6) { animation-delay: 400ms; }
@keyframes anaElIn {
  to { opacity: 1; transform: translateX(0); }
}
.ana-el:hover { background: rgba(31,29,27,0.025); }
.ana-el.ana-el-active {
  border-left-color: var(--clay);
  background: rgba(204,120,92,0.05);
}
.ana-el.ana-el-dim { opacity: 0.3; transition: opacity 0.2s ease; }

/* Icon cell */
.ana-el-icon {
  width: 28px;
  height: 28px;
  padding-top: 0.08rem;
  flex-shrink: 0;
  color: var(--ink-soft);
  opacity: 0.45;
  transition: color 0.22s ease, opacity 0.22s ease;
}
.ana-el-icon svg { width: 100%; height: 100%; }
.ana-el.ana-el-active .ana-el-icon { color: var(--clay); opacity: 1; }

/* Text */
.ana-el-head {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  margin-bottom: 0;
}
.ana-el-name {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.67rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink);
  transition: color 0.2s ease;
}
.ana-el.ana-el-active .ana-el-name { color: var(--clay-deep); }
.ana-el-tag {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 0.86rem;
  color: var(--ink-soft);
}

/* Expandable description */
.ana-el-desc {
  grid-column: 2;
  font-family: 'Fraunces', serif;
  font-size: 0.83rem;
  color: var(--ink-soft);
  line-height: 1.57;
  margin: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.36s ease, opacity 0.26s ease 0.06s, margin-top 0.28s ease;
}
.ana-el.ana-el-active .ana-el-desc {
  max-height: 220px;
  opacity: 1;
  margin-top: 0.42rem;
}

/* Brain: model pill list */
.ana-model-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.32rem;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.35s ease 0.08s, opacity 0.25s ease 0.12s, margin-top 0.28s ease;
}
.ana-el.ana-el-active[data-part="brain"] .ana-model-list {
  max-height: 60px;
  opacity: 1;
  margin-top: 0.55rem;
}
@keyframes pillDrop {
  from { opacity: 0; transform: translateY(5px); }
  to   { opacity: 1; transform: translateY(0); }
}
.ana-model-pill {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.58rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--clay-deep);
  background: rgba(204,120,92,0.08);
  border: 1px solid rgba(204,120,92,0.22);
  padding: 0.17rem 0.52rem;
  border-radius: 3px;
  opacity: 0;
}
.ana-el.ana-el-active[data-part="brain"] .ana-model-pill {
  animation: pillDrop 0.22s ease forwards;
}
.ana-el.ana-el-active[data-part="brain"] .ana-model-pill:nth-child(1) { animation-delay: 0.18s; }
.ana-el.ana-el-active[data-part="brain"] .ana-model-pill:nth-child(2) { animation-delay: 0.24s; }
.ana-el.ana-el-active[data-part="brain"] .ana-model-pill:nth-child(3) { animation-delay: 0.30s; }
.ana-el.ana-el-active[data-part="brain"] .ana-model-pill:nth-child(4) { animation-delay: 0.36s; }
.ana-el.ana-el-active[data-part="brain"] .ana-model-pill:nth-child(5) { animation-delay: 0.42s; }
.ana-el.ana-el-active[data-part="brain"] .ana-model-pill:nth-child(6) { animation-delay: 0.48s; }

/* Brain: center-node pulse */
@keyframes anaBrainPulse {
  0%, 100% { opacity: 0.7; r: 4; }
  50%       { opacity: 1;   r: 5; }
}
.ana-el[data-part="brain"].ana-el-active .ana-brain-center {
  animation: anaBrainPulse 1.5s ease-in-out infinite;
}

/* ============ DECISION TREE — Slide 6 ============ */
.dectree {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  flex: 1;
  min-height: 0;
  margin-top: 0.5rem;
}

/* breadcrumb path */
.dectree-path {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  min-height: 26px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}
.dectree-path:empty::before {
  content: 'Start here ↓';
  color: var(--ink-soft);
  opacity: 0.55;
  font-style: normal;
}
.dectree-path-step {
  background: rgba(204,120,92,0.08);
  border: 1px solid rgba(204,120,92,0.3);
  padding: 0.28rem 0.65rem;
  border-radius: 99px;
  color: var(--clay-deep);
  cursor: pointer;
  font: inherit;
  text-transform: inherit;
  letter-spacing: inherit;
  transition: background 0.15s ease, transform 0.15s ease;
}
.dectree-path-step:hover {
  background: rgba(204,120,92,0.18);
  transform: translateY(-1px);
}
.dectree-path-arrow {
  color: var(--ink-soft);
  opacity: 0.55;
  font-size: 0.7rem;
}

/* node stage */
.dectree-stage {
  position: relative;
  flex: 1;
  min-height: 360px;
}

.dectree-node {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.dectree-node.dectree-node-active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.dectree-step {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--clay-deep);
}

.dectree-q {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: 1.75rem;
  line-height: 1.25;
  color: var(--ink);
  margin: 0;
}
.dectree-q em {
  font-style: normal;
  background: linear-gradient(transparent 62%, rgba(204,120,92,0.28) 62%);
  padding: 0 0.1em;
}

.dectree-hint {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 1rem;
  color: var(--ink-soft);
  margin: 0;
}

.dectree-answers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 0.4rem;
}

.dectree-ans {
  text-align: left;
  background: var(--cream);
  border: 1.5px solid var(--rule);
  border-radius: 14px;
  padding: 1.1rem 1.4rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
  font-family: inherit;
  box-shadow: var(--shadow-soft);
}
.dectree-ans:hover {
  border-color: var(--clay);
  background: rgba(204,120,92,0.06);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0,0,0,0.07);
}

.dectree-ans-key {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 1.3rem;
  color: var(--clay-deep);
  letter-spacing: -0.01em;
}
.dectree-ans-sub {
  font-family: 'Fraunces', serif;
  font-size: 0.92rem;
  color: var(--ink-soft);
  line-height: 1.45;
}

/* ===== result node ===== */
.dectree-result {
  gap: 0.85rem;
  justify-content: flex-start;
}
.dectree-verdict {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 2.3rem;
  line-height: 1.12;
  margin: 0;
  color: var(--ink);
}
.dectree-result[data-verdict="agent"] .dectree-verdict    { color: var(--forest); }
.dectree-result[data-verdict="workflow"] .dectree-verdict { color: var(--ink); }
.dectree-result[data-verdict="automation"] .dectree-verdict { color: var(--clay-deep); }
.dectree-result[data-verdict="agent"] .dectree-step { color: var(--forest); }

.dectree-reason {
  font-family: 'Fraunces', serif;
  font-size: 1.1rem;
  line-height: 1.65;
  color: var(--ink-soft);
  max-width: 60ch;
  margin: 0;
}
.dectree-reason em {
  font-style: italic;
  color: var(--ink);
}

.dectree-examples {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.5rem;
  margin: 0.25rem 0 0;
  padding: 0;
}

.dectree-example-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  opacity: 0.6;
  flex-basis: 100%;
  margin-bottom: 0.1rem;
}

.dectree-ex {
  font-family: 'Fraunces', serif;
  font-size: 0.85rem;
  font-style: italic;
  color: var(--ink-soft);
  padding: 0.38rem 0.85rem;
  border: 1px solid var(--rule);
  border-radius: 99px;
  background: var(--paper-3);
  line-height: 1.35;
  display: inline-block;
}

.dectree-restart {
  align-self: flex-start;
  margin-top: 0.5rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.63rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.55rem 1rem;
  border: 1.5px solid var(--clay);
  border-radius: 99px;
  background: transparent;
  color: var(--clay-deep);
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}
.dectree-restart:hover {
  background: var(--clay);
  color: #fff;
}

/* shared citepack placement helper for slides */
.slide-cite {
  margin-top: auto;   /* pushes to bottom inside flex-col slides */
  padding-top: 1rem;
  align-self: flex-start;
}

.dectree-cite {
  margin-top: 0.4rem;
  align-self: flex-start;
}

/* ============ CITEPACK — reusable citation component ============
   Compact pill that expands inline on click to reveal source links.
   Usage:
     <div class="citepack">
       <button class="citepack-btn" type="button" aria-expanded="false">
         <svg class="citepack-icon">…</svg>
         <span class="citepack-label">sources</span>
         <span class="citepack-count">N</span>
         <svg class="citepack-chev">…</svg>
       </button>
       <div class="citepack-list">
         <a class="citepack-src" href="…" target="_blank" rel="noopener">Label ↗</a>
         …
       </div>
     </div>
   Behavior wired in index.html (global script).
*/
.citepack {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.9rem;
}

.citepack-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--rule);
  padding: 0.28rem 0.55rem 0.28rem 0.45rem;
  border-radius: 99px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.citepack-btn:hover {
  color: var(--clay-deep);
  border-color: rgba(204,120,92,0.4);
  background: rgba(204,120,92,0.04);
}

.citepack-icon {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  color: currentColor;
}

.citepack-label {
  line-height: 1;
}

.citepack-count {
  font-size: 0.54rem;
  padding: 0.1rem 0.4rem;
  border-radius: 99px;
  background: var(--paper-3);
  color: var(--ink-soft);
  line-height: 1;
  letter-spacing: 0.05em;
  transition: background 0.2s ease, color 0.2s ease;
}

.citepack-btn:hover .citepack-count {
  background: rgba(204,120,92,0.14);
  color: var(--clay-deep);
}

.citepack-chev {
  width: 10px;
  height: 10px;
  flex-shrink: 0;
  color: currentColor;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.citepack.citepack-open .citepack-btn {
  color: var(--clay-deep);
  border-color: rgba(204,120,92,0.4);
  background: rgba(204,120,92,0.06);
}

.citepack.citepack-open .citepack-count {
  background: rgba(204,120,92,0.14);
  color: var(--clay-deep);
}

.citepack.citepack-open .citepack-chev {
  transform: rotate(180deg);
}

/* Collapsed list */
.citepack-list {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-width 0.45s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.25s ease;
}

.citepack.citepack-open .citepack-list {
  max-width: 900px;
  opacity: 1;
}

/* In-slide navigation links */
.slide-link {
  color: var(--clay-deep);
  text-decoration: underline;
  text-decoration-color: rgba(168, 78, 48, 0.35);
  text-underline-offset: 2px;
  cursor: pointer;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}
.slide-link:hover {
  color: var(--clay);
  text-decoration-color: var(--clay);
}

.citepack-src {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.58rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--clay-deep);
  background: rgba(204,120,92,0.08);
  border: 1px solid rgba(204,120,92,0.22);
  padding: 0.23rem 0.55rem;
  border-radius: 99px;
  text-decoration: none;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(-6px);
  transition: background 0.2s ease,
              border-color 0.2s ease,
              transform 0.3s cubic-bezier(0.34, 1.1, 0.64, 1),
              opacity 0.25s ease;
}

.citepack-src:hover {
  background: rgba(204,120,92,0.16);
  border-color: rgba(204,120,92,0.45);
  transform: translateY(-1px);
}

.citepack.citepack-open .citepack-src {
  opacity: 1;
  transform: translateX(0);
}

.citepack.citepack-open .citepack-src:nth-child(1) { transition-delay: 0s,      0s,      0.08s, 0.08s; }
.citepack.citepack-open .citepack-src:nth-child(2) { transition-delay: 0s,      0s,      0.16s, 0.16s; }
.citepack.citepack-open .citepack-src:nth-child(3) { transition-delay: 0s,      0s,      0.24s, 0.24s; }
.citepack.citepack-open .citepack-src:nth-child(4) { transition-delay: 0s,      0s,      0.32s, 0.32s; }
.citepack.citepack-open .citepack-src:nth-child(5) { transition-delay: 0s,      0s,      0.40s, 0.40s; }

/* Feedback: no animation — static loop icon */

/* ============ VS TOGGLE ============ */
.vs-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 1rem;
}
.vs-column {
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 1.8rem 2rem;
  min-height: 420px;
  position: relative;
  box-shadow: var(--shadow-soft);
}
.vs-column:nth-child(2) { background: var(--paper-2); }
.vs-column h3 {
  font-family: 'Fraunces', serif;
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 1rem;
}
.vs-flow {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin-top: 1rem;
}
.vs-step {
  padding: 0.7rem 1rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  color: var(--ink);
  opacity: 0;
  transform: translateX(-20px);
  animation: stepIn 0.5s forwards;
}
.vs-step.decision {
  background: var(--butter);
  font-style: italic;
  font-family: 'Fraunces', serif;
  font-size: 1rem;
}
.vs-step.loop { background: var(--peach); border-style: dashed; }
@keyframes stepIn { to { opacity: 1; transform: translateX(0); } }

.vs-column .replay {
  position: absolute;
  top: 1.2rem; right: 1.2rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 0.35rem 0.9rem;
  border-radius: 100px;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  color: var(--ink-soft);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.vs-column .replay:hover { background: var(--clay); color: var(--paper); border-color: var(--clay); }

/* ============ BROKEN AGENT DEBUG ============ */
.debug-slide { padding-top: 4rem; }
.agent-prompt-box {
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 1.8rem 2rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.86rem;
  line-height: 1.85;
  color: var(--ink);
  max-width: 620px;
  box-shadow: var(--shadow-soft);
}
.agent-prompt-box .field { color: var(--clay-deep); font-weight: 500; }
.agent-prompt-box .issue {
  background: transparent;
  position: relative;
  cursor: pointer;
  padding: 0 3px;
  border-bottom: 1.5px wavy var(--clay);
  transition: background 0.2s;
}
.agent-prompt-box .issue:hover { background: rgba(204,120,92,0.12); }
.agent-prompt-box .issue.found {
  background: rgba(74,106,60,0.14);
  border-bottom: 1.5px solid var(--forest);
}
.debug-feedback {
  margin-top: 1.5rem;
  padding: 1.2rem 1.5rem;
  background: var(--paper-2);
  border-left: 2px solid var(--clay);
  border-radius: 4px;
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 1.05rem;
  min-height: 3rem;
  color: var(--ink);
  line-height: 1.5;
}
.debug-score {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--forest);
  margin-top: 1rem;
}

/* ============ COST CALCULATOR ============ */
.cost-calc {
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 2.2rem 2.4rem;
  box-shadow: var(--shadow-soft);
  max-width: 720px;
  margin-top: 1rem;
}
.cost-row {
  display: grid;
  grid-template-columns: 180px 1fr 120px;
  gap: 1.2rem;
  align-items: center;
  margin-bottom: 1.3rem;
}
.cost-row label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.cost-row input[type=range] {
  width: 100%;
  -webkit-appearance: none; appearance: none;
  height: 4px;
  background: var(--paper-3);
  border-radius: 2px;
  outline: none;
}
.cost-row input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--clay);
  cursor: pointer;
  border: 2px solid var(--paper);
  box-shadow: var(--shadow-soft);
}
.cost-row input[type=range]::-moz-range-thumb {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--clay);
  cursor: pointer;
  border: 2px solid var(--paper);
}
.cost-row .value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  text-align: right;
  color: var(--ink);
}
.cost-total {
  margin-top: 1.8rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  display: flex;
  align-items: baseline;
  gap: 1rem;
  justify-content: space-between;
}
.cost-total .label {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--ink);
}
.cost-total .amount {
  font-family: 'Fraunces', serif;
  font-size: 2.4rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--clay-deep);
}
.cost-note {
  margin-top: 0.8rem;
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 1rem;
  color: var(--ink-soft);
}

/* ============ MULTI-AGENT PATTERNS ============ */
.patterns-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 1rem;
}
/* 4-topology layout: 2x2 grid */
.patterns-grid-4 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
  margin-top: 0.75rem;
}
.pattern-card {
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 1rem 1.1rem 1.1rem;
  position: relative;
  box-shadow: var(--shadow-soft);
}
.pattern-card.t1 { background: var(--cream); }
.pattern-card.t2 { background: var(--paper-2); }
.pattern-card.t3 { background: var(--cream); }
.pattern-card.t4 { background: var(--paper-2); }
.pattern-card h3 {
  font-family: 'Fraunces', serif;
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 0.35rem;
}
.pattern-card p { font-size: 0.8rem; color: var(--ink-soft); line-height: 1.5; margin: 0; }
.pattern-card svg { width: 100%; height: 90px; margin: 0.3rem 0 0.5rem; }

/* Extra text styles inside 4-topology cards */
.pc-desc { color: var(--ink) !important; }
.pc-when {
  font-size: 0.72rem !important;
  border-left: 2px solid var(--rule);
  padding-left: 0.45rem;
  margin-top: 0.4rem !important;
}
.pc-eg {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem !important;
  border-left: 2px solid var(--clay);
  padding-left: 0.45rem;
  margin-top: 0.3rem !important;
  color: var(--ink-soft) !important;
}
.pc-lbl {
  font-weight: 500;
  color: var(--clay);
  margin-right: 0.35em;
}

/* ============ TOPOLOGY EXPLORER — Slide 11 ============ */
.topo-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
  margin-top: 1.25rem;
  align-items: stretch;
}

.topo-stage {
  position: relative;
  background: linear-gradient(140deg, var(--cream) 0%, var(--paper-2) 100%);
  border: 1px solid var(--rule);
  border-radius: 16px;
  box-shadow: var(--shadow-lift);
  overflow: hidden;
  min-height: 304px;
  width: 100%;
  align-self: stretch;
}
.topo-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(31,29,27,0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(31,29,27,0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(ellipse at center, black 45%, transparent 88%);
  mask-image: radial-gradient(ellipse at center, black 45%, transparent 88%);
  pointer-events: none;
}
#topoSVG, #patSVG {
  display: block;
  width: 100%; height: auto;
  transition: opacity 280ms cubic-bezier(.2,.8,.3,1);
}
#topoSVG.swapping, #patSVG.swapping { opacity: 0; }

.topo-stage-meta {
  position: absolute; top: 1.15rem; left: 1.5rem;
  display: flex; align-items: baseline; gap: 0.45rem;
  pointer-events: none;
}
.topo-idx {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: 3.25rem;
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: var(--clay-deep);
  font-variation-settings: "opsz" 96;
  transition: opacity 280ms, transform 280ms;
}
.topo-idx-total {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}
.topo-flow-chip {
  position: absolute; top: 1.6rem; right: 1.5rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: rgba(204,120,92,0.12);
  color: var(--clay-deep);
  padding: 0.38rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(204,120,92,0.3);
  transition: opacity 280ms;
}

/* Info panel */
.topo-info {
  display: flex; flex-direction: column;
  justify-content: center;
  padding: 0.25rem 0;
}
.topo-title {
  font-family: 'Fraunces', serif;
  font-size: 3rem;
  line-height: 1;
  letter-spacing: -0.025em;
  font-weight: 400;
  color: var(--ink);
  margin: 0 0 0.45rem;
  font-variation-settings: "opsz" 96;
}
.topo-tagline {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 1.2rem;
  color: var(--clay-deep);
  margin: 0 0 1rem;
  line-height: 1.3;
}
.topo-desc {
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--ink);
  margin: 0 0 1.15rem;
  max-width: 42ch;
}
.topo-callout {
  padding: 0.45rem 0 0.45rem 0.9rem;
  border-left: 2px solid var(--rule);
  margin-bottom: 0.65rem;
}
.topo-callout.topo-eg { border-left-color: var(--clay); }
.topo-callout-lbl {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.25rem;
}
.topo-callout.topo-eg .topo-callout-lbl { color: var(--clay); }
.topo-callout p { font-size: 0.92rem; line-height: 1.45; color: var(--ink); margin: 0; }

/* Animated swap */
.topo-info .topo-title,
.topo-info .topo-tagline,
.topo-info .topo-desc,
.topo-info .topo-callout {
  transition: opacity 300ms cubic-bezier(.2,.8,.3,1), transform 300ms cubic-bezier(.2,.8,.3,1);
}
.topo-info.swapping .topo-title,
.topo-info.swapping .topo-tagline,
.topo-info.swapping .topo-desc,
.topo-info.swapping .topo-callout {
  opacity: 0;
  transform: translateY(8px);
}
.topo-info .topo-tagline { transition-delay: 30ms; }
.topo-info .topo-desc { transition-delay: 60ms; }
.topo-info .topo-callout.topo-when { transition-delay: 90ms; }
.topo-info .topo-callout.topo-eg { transition-delay: 120ms; }

/* Tab selector */
.topo-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.55rem;
  margin-top: 1.4rem;
}
.topo-tab {
  display: flex; align-items: center; gap: 0.65rem;
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 0.7rem 0.95rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
  cursor: pointer;
  transition: transform 240ms cubic-bezier(.2,.8,.3,1),
              background 240ms, color 240ms,
              border-color 240ms, box-shadow 240ms;
  position: relative;
  overflow: hidden;
}
.topo-tab-icon {
  width: 34px; height: 20px; flex-shrink: 0;
}
.topo-tab-icon circle { fill: var(--ink-soft); transition: fill 240ms; }
.topo-tab-icon line { stroke: var(--ink-soft); stroke-width: 1.3; transition: stroke 240ms; }
.topo-tab:hover {
  border-color: var(--clay-soft);
  color: var(--ink);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}
.topo-tab:hover .topo-tab-icon circle { fill: var(--clay); }
.topo-tab.active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
  box-shadow: 0 10px 24px -14px rgba(31,29,27,0.55);
}
.topo-tab.active .topo-tab-icon circle { fill: var(--clay-soft); }
.topo-tab.active .topo-tab-icon line { stroke: rgba(245,240,230,0.55); }
.topo-tab.active::after {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--clay);
}

/* SVG inside stage (shared by #topoSVG, #patSVG, and #evalSVG) */
.topo-stage svg .t-edge,
.eval-stage svg .t-edge {
  stroke: rgba(31,29,27,0.32);
  stroke-width: 1.5;
  stroke-dasharray: 3 4;
  fill: none;
}
.topo-stage svg .t-node,
.eval-stage svg .t-node {
  stroke: #3E271E;
  stroke-width: 2;
}
.topo-stage svg .t-ring,
.eval-stage svg .t-ring {
  fill: none;
  stroke: var(--clay);
  stroke-width: 1;
  opacity: 0.22;
  animation: topoRingPulse 3.2s ease-in-out infinite;
  transform-origin: center;
  transform-box: fill-box;
}
.topo-stage svg .t-packet,
.eval-stage svg .t-packet {
  fill: var(--clay);
  filter: drop-shadow(0 0 4px rgba(204,120,92,0.65));
}
.topo-stage svg .t-label,
.eval-stage svg .t-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.12em;
  fill: rgba(31,29,27,0.38);
  text-anchor: middle;
}
@keyframes topoRingPulse {
  0%, 100% { opacity: 0.15; transform: scale(1); }
  50%      { opacity: 0.32; transform: scale(1.06); }
}

@media (max-width: 960px) {
  .topo-layout { grid-template-columns: 1fr; gap: 1.5rem; }
  .topo-stage { min-height: 300px; }
  .topo-title { font-size: 2.25rem; }
  .topo-tabs { grid-template-columns: repeat(2, 1fr); }
}

/* ============ SCHEDULE ============ */
.schedule {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1rem 2.4rem;
  margin-top: 1rem;
  max-width: 900px;
}
.sched-time {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  color: var(--clay-deep);
  padding-top: 0.5rem;
}
.sched-item {
  padding: 0.6rem 0 1.2rem;
  border-bottom: 1px solid var(--rule);
}
.sched-item:last-child { border: none; }
.sched-item h4 {
  font-family: 'Fraunces', serif;
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 0.3rem;
}
.sched-item p { font-size: 0.98rem; color: var(--ink-soft); max-width: 58ch; line-height: 1.55; }

/* ============ WHY N8N ============ */
.reasons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 1rem;
}
.reason {
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 1.6rem 1.8rem;
  position: relative;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.reason:hover { transform: translateY(-2px); box-shadow: var(--shadow-lift); }
.reason:nth-child(odd)  { background: var(--cream); }
.reason:nth-child(even) { background: var(--paper-2); }
.reason::before {
  content: attr(data-num);
  position: absolute;
  top: 1.4rem; right: 1.6rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--clay-deep);
  opacity: 0.6;
}
.reason::after {
  content: '';
  position: absolute;
  top: 1.4rem; left: 1.8rem;
  width: 20px; height: 1px;
  background: var(--clay);
  opacity: 0.7;
}
.reason h4 {
  font-family: 'Fraunces', serif;
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 1rem 0 0.4rem;
}
.reason p { font-size: 0.95rem; line-height: 1.55; }

/* ============ SLIDE 15: BUILDING ON N8N ============ */
.n8nbuild-slide h1 { margin-bottom: 0.8rem; }

.n8nbuild-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start;
  margin-top: 0.4rem;
  flex: 1 1 auto;
}

.n8nbuild-stack-label,
.n8nbuild-task-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  margin-bottom: 0.85rem;
}

/* Mini stack */
.nbstack {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.nbstack-row {
  padding: 0.9rem 1.2rem;
  border-radius: 8px;
  border: 1px solid var(--rule);
  background: var(--paper-2);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  transition: transform 0.18s ease;
}
.nbstack-row:hover { transform: translateX(3px); }

.nbstack-row--here {
  background: var(--ink);
  border-color: transparent;
}
.nbstack-row--here strong { color: var(--paper); }
.nbstack-row--here .nbstack-tools { color: rgba(250,249,245,0.55); }
.nbstack-row--here .nbstack-tag { color: var(--clay-soft); }

.nbstack-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--clay-deep);
  margin-bottom: 0.1rem;
}

.nbstack-row strong {
  font-family: 'Fraunces', serif;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.nbstack-tools {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.63rem;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

.nbwhy-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.nbwhy-chip {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.63rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--ink-soft);
  box-shadow: var(--shadow-soft);
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.nbwhy-chip:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.nbstack-note {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 0.88rem;
  color: var(--ink-soft);
  margin-top: 0.85rem;
  line-height: 1.5;
}

/* Build task + checklist */
.n8nbuild-task { display: flex; flex-direction: column; gap: 1.2rem; }

.nbuild-checklist {
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 1rem 1.2rem;
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}
.nbuild-checklist-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  margin-bottom: 0.65rem;
}
.nbuild-checklist ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.nbuild-checklist ul li::before { display: none; }
.nbuild-checklist li {
  font-size: 0.9rem;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}
.nbuild-check {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  color: var(--clay);
  flex-shrink: 0;
}
.nbuild-aside {
  font-size: 0.78rem;
  color: var(--ink-soft);
}
.nbuild-tip {
  margin-top: 0.75rem;
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 0.88rem;
  color: var(--ink-soft);
  line-height: 1.4;
}

/* ============ STACK SLIDE ============ */
.stack {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1rem;
  max-width: 780px;
}
.stack-layer {
  padding: 1.2rem 1.8rem;
  border-radius: 8px;
  border: 1px solid var(--rule);
  box-shadow: var(--shadow-soft);
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2.2rem;
  align-items: center;
  transition: transform 0.25s ease;
}
.stack-layer:hover { transform: translateX(3px); }
.stack-layer.l1 { background: var(--cream); }
.stack-layer.l2 { background: var(--paper-2); }
.stack-layer.l3 { background: var(--cream); }
.stack-layer.l4 { background: var(--paper-2); }
.stack-layer strong {
  font-family: 'Fraunces', serif;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.stack-layer .tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clay-deep);
  display: block;
  margin-bottom: 0.3rem;
}
.stack-layer p { font-size: 0.95rem; margin: 0; line-height: 1.55; }

/* ============ AGENT DESIGN CANVAS (interactive flip cards) ============ */

/* Intro text */
.canvas-intro {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 1rem;
  color: var(--ink-soft);
  line-height: 1.6;
  max-width: 62ch;
  margin: 0.4rem 0 0;
}

/* ---- Progress tracker ---- */
.canvas-tracker {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin: 0.9rem 0 0.75rem;
}
.canvas-tracker-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  opacity: 0.7;
  white-space: nowrap;
}
.canvas-tracker-dots {
  display: flex;
  gap: 0.35rem;
}
.canvas-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1.5px solid rgba(31,29,27,0.25);
  background: transparent;
  transition: background 0.35s ease, border-color 0.35s ease, transform 0.35s cubic-bezier(0.34,1.56,0.64,1);
}
.canvas-dot.filled {
  background: var(--clay);
  border-color: var(--clay);
  transform: scale(1.25);
}
.canvas-reset-btn {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  opacity: 0;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  transition: opacity 0.3s ease, background 0.2s ease;
  pointer-events: none;
}
.canvas-reset-btn.visible {
  opacity: 0.55;
  pointer-events: auto;
}
.canvas-reset-btn:hover { opacity: 1; background: var(--paper-2); }

/* ---- Grid & perspective ---- */
.canvas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem;
  perspective: 1400px;
}

/* ---- Card container ---- */
.canvas-card {
  height: 172px;
  cursor: pointer;
  /* Staggered entrance animation fires when parent slide gets .active */
}
.canvas-card:nth-child(1) { --card-delay: 0.04s; }
.canvas-card:nth-child(2) { --card-delay: 0.11s; }
.canvas-card:nth-child(3) { --card-delay: 0.18s; }
.canvas-card:nth-child(4) { --card-delay: 0.25s; }
.canvas-card:nth-child(5) { --card-delay: 0.32s; }
.canvas-card:nth-child(6) { --card-delay: 0.39s; }
.slide.active .canvas-card {
  animation: cvCardIn 0.52s cubic-bezier(0.22, 0.8, 0.36, 1) var(--card-delay, 0s) both;
}
@keyframes cvCardIn {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ---- Flip wrapper — scaleX technique (works inside overflow containers) ---- */
/* preserve-3d is blocked by ancestor overflow:hidden on .slide, so we use a
   two-phase scaleX animation driven by JS instead of CSS rotateY.             */
.canvas-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 10px;
  will-change: transform;
}

/* ---- Shared face styles ---- */
.canvas-card-front,
.canvas-card-back {
  position: absolute;
  inset: 0;
  border-radius: 10px;
  border: 1px solid var(--rule);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  padding: 0.95rem 1.1rem 0.8rem;
  gap: 0.3rem;
  overflow: hidden;
  transition: opacity 0.05s ease;
}
/* Front visible by default; back hidden */
.canvas-card-front { background: var(--cream); opacity: 1; }
.canvas-card-back  { background: var(--paper); gap: 0.22rem; padding: 0.75rem 1rem 0.65rem; opacity: 0; pointer-events: none; }
/* After flip: swap visibility */
.canvas-card.flipped .canvas-card-front { opacity: 0; pointer-events: none; }
.canvas-card.flipped .canvas-card-back  { opacity: 1; pointer-events: auto; }

/* Coloured top accent strip per card — front */
.canvas-card[data-color="clay"]     .canvas-card-front { border-top: 3px solid var(--clay); }
.canvas-card[data-color="forest"]   .canvas-card-front { border-top: 3px solid var(--forest); }
.canvas-card[data-color="electric"] .canvas-card-front { border-top: 3px solid var(--electric); }
.canvas-card[data-color="mustard"]  .canvas-card-front { border-top: 3px solid var(--mustard); }
.canvas-card[data-color="coral"]    .canvas-card-front { border-top: 3px solid var(--clay-deep); }
.canvas-card[data-color="mushroom"] .canvas-card-front { border-top: 3px solid var(--mushroom); }
/* back matching strip */
.canvas-card[data-color="clay"]     .canvas-card-back { border-top: 3px solid var(--clay); }
.canvas-card[data-color="forest"]   .canvas-card-back { border-top: 3px solid var(--forest); }
.canvas-card[data-color="electric"] .canvas-card-back { border-top: 3px solid var(--electric); }
.canvas-card[data-color="mustard"]  .canvas-card-back { border-top: 3px solid var(--mustard); }
.canvas-card[data-color="coral"]    .canvas-card-back { border-top: 3px solid var(--clay-deep); }
.canvas-card[data-color="mushroom"] .canvas-card-back { border-top: 3px solid var(--mushroom); }

/* Hover lift on unflipped cards */
.canvas-card:not(.flipped):hover .canvas-card-front {
  box-shadow: var(--shadow-lift);
  background: var(--paper-2);
}

/* ---- Front face content ---- */
.canvas-card-meta {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.05rem;
}
.canvas-card-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  color: var(--ink-soft);
  opacity: 0.45;
  letter-spacing: 0.05em;
}
.canvas-card-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.canvas-card[data-color="clay"]     .canvas-card-label { color: var(--clay-deep); }
.canvas-card[data-color="forest"]   .canvas-card-label { color: var(--forest); }
.canvas-card[data-color="electric"] .canvas-card-label { color: var(--electric); }
.canvas-card[data-color="mustard"]  .canvas-card-label { color: #8A6E1A; }
.canvas-card[data-color="coral"]    .canvas-card-label { color: var(--clay-deep); }
.canvas-card[data-color="mushroom"] .canvas-card-label { color: var(--mushroom); }

.canvas-card-q {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 0.97rem;
  color: var(--ink);
  line-height: 1.42;
  flex: 1;
}
.canvas-card-cta {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  opacity: 0.38;
  align-self: flex-end;
  transition: opacity 0.2s ease;
}
.canvas-card:not(.flipped):hover .canvas-card-cta { opacity: 0.9; }

/* ---- Back face content ---- */
.canvas-back-def {
  font-family: 'Fraunces', serif;
  font-size: 0.8rem;
  color: var(--ink);
  line-height: 1.38;
  flex: 1;
}
.canvas-back-def em { font-style: italic; color: var(--ink-soft); }
.canvas-back-eg {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem;
  color: var(--ink-soft);
  line-height: 1.45;
  background: var(--paper-2);
  padding: 0.3rem 0.55rem;
  border-radius: 5px;
  border-left: 2px solid var(--rule);
}
.canvas-eg-label {
  font-weight: 500;
  color: var(--clay);
  margin-right: 0.35em;
}
.canvas-back-skip {
  font-family: 'Inter', sans-serif;
  font-size: 0.62rem;
  line-height: 1.3;
  color: var(--clay-deep);
  display: flex;
  gap: 0.35rem;
  align-items: flex-start;
  opacity: 0.8;
}
.canvas-skip-icon {
  flex-shrink: 0;
  font-size: 0.68rem;
  opacity: 0.7;
}

/* ---- Completion toast ---- */
.canvas-toast {
  position: fixed;
  bottom: calc(4rem + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  background: var(--clay-deep);
  color: #fff;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.65rem 1.5rem;
  border-radius: 40px;
  box-shadow: 0 6px 28px rgba(168,78,48,0.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.45s cubic-bezier(0.34,1.56,0.64,1);
  z-index: 100;
  white-space: nowrap;
}
.canvas-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.canvas-toast-icon { margin-right: 0.5em; }

/* ============ AGENT DESIGN CANVAS — WORKSHOP (editable) ============ */
.canvas-grid-ws {
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  perspective: none;
}
.canvas-ws-card {
  min-height: 230px;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: 10px;
  box-shadow: var(--shadow-soft);
  padding: 0.95rem 1.1rem 0.9rem;
  transition: box-shadow 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.canvas-ws-card:hover {
  box-shadow: var(--shadow-lift);
}
.canvas-ws-card:focus-within {
  background: var(--paper-2);
  box-shadow: var(--shadow-lift);
}
/* Coloured top accent strip per card */
.canvas-ws-card[data-color="clay"]     { border-top: 3px solid var(--clay); }
.canvas-ws-card[data-color="forest"]   { border-top: 3px solid var(--forest); }
.canvas-ws-card[data-color="electric"] { border-top: 3px solid var(--electric); }
.canvas-ws-card[data-color="mustard"]  { border-top: 3px solid var(--mustard); }
.canvas-ws-card[data-color="coral"]    { border-top: 3px solid var(--clay-deep); }
.canvas-ws-card[data-color="mushroom"] { border-top: 3px solid var(--mushroom); }

/* Italic question prompt */
.canvas-ws-q {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 0.92rem;
  color: var(--ink);
  line-height: 1.38;
}

/* Editable textarea */
.canvas-ws-input {
  flex: 1;
  min-height: 120px;
  width: 100%;
  resize: none;
  background: transparent;
  border: none;
  border-top: 1px dashed rgba(31, 29, 27, 0.18);
  padding: 0.55rem 0 0;
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem;
  color: var(--ink);
  line-height: 1.45;
  outline: none;
  box-sizing: border-box;
}
.canvas-ws-input::placeholder {
  color: rgba(31, 29, 27, 0.35);
  font-style: italic;
}
.canvas-ws-input:focus::placeholder {
  color: rgba(31, 29, 27, 0.25);
}

/* Dot "filled" state reused from canvas-tracker, scoped to workshop dots */
.canvas-tracker-dots .canvas-dot.filled {
  background: var(--clay);
  border-color: var(--clay);
}

/* ============ DESIGN PATTERNS EXPLORER — Slide 10 (reuses .topo-* layout) ============ */
.pat-layout { margin-top: 1rem; }

/* Numbered steps list */
.pat-steps {
  list-style: none;
  counter-reset: pat;
  padding: 0;
  margin: 0 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  max-width: 44ch;
}
.pat-steps li {
  counter-increment: pat;
  position: relative;
  padding-left: 2.1rem;
  font-size: 0.96rem;
  line-height: 1.5;
  color: var(--ink);
}
.pat-steps li::before {
  content: counter(pat, decimal-leading-zero);
  position: absolute;
  left: 0; top: 0.24rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--clay);
  font-weight: 500;
}

.pat-tabs {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  grid-template-columns: unset;
}
.pat-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.42rem 0.85rem 0.42rem 0.7rem;
  background: transparent;
  border: 1px solid rgba(31,29,27,0.14);
  border-radius: 999px;
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ink-soft);
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
  position: relative;
  overflow: hidden;
  transform: none;
  box-shadow: none;
}
.pat-tab:hover { color: var(--ink); border-color: rgba(31,29,27,0.28); transform: none; box-shadow: none; }
.pat-tab.active {
  background: rgba(204,120,92,0.13);
  color: var(--ink);
  border: 1.5px solid var(--clay);
  box-shadow: 0 1px 3px rgba(31,29,27,0.06);
}
.pat-tab.active::after { display: none; }
.pat-tab .pat-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: var(--clay);
  opacity: 0.7;
  padding: 0;
  border-radius: 0;
  background: none;
  transition: opacity 0.2s ease;
}
.pat-tab.active .pat-num { opacity: 1; }

/* Tighter info panel for slide 10 (more content than slide 11) */
.pat-info .topo-title { font-size: 2.4rem; margin-bottom: 0.3rem; }
.pat-info .topo-tagline { font-size: 1.1rem; margin-bottom: 0.85rem; }
.pat-info .topo-callout p { font-size: 0.9rem; }

/* Staggered fade for the steps list during swap */
.pat-info .pat-steps li {
  transition: opacity 300ms cubic-bezier(.2,.8,.3,1), transform 300ms cubic-bezier(.2,.8,.3,1);
}
.pat-info.swapping .pat-steps li {
  opacity: 0;
  transform: translateY(8px);
}
.pat-info .pat-steps li:nth-child(1) { transition-delay: 40ms; }
.pat-info .pat-steps li:nth-child(2) { transition-delay: 70ms; }
.pat-info .pat-steps li:nth-child(3) { transition-delay: 100ms; }
.pat-info .pat-steps li:nth-child(4) { transition-delay: 130ms; }

/* Tabs placed above the stage */
.pat-tabs-top {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

/* Examples: 3 per pattern, compact card list */
.pat-examples-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: auto;
}
.pat-examples-lbl {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.pat-examples {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.pat-eg {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.5rem 0.7rem 0.55rem;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: 7px;
  transition: opacity 260ms cubic-bezier(.2,.8,.3,1), transform 260ms cubic-bezier(.2,.8,.3,1);
}
.pat-eg-lbl {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clay);
}
.pat-eg-txt {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.4;
  color: var(--ink);
}
.pat-info.swapping .pat-eg {
  opacity: 0;
  transform: translateY(8px);
}
.pat-info .pat-eg:nth-child(1) { transition-delay: 60ms; }
.pat-info .pat-eg:nth-child(2) { transition-delay: 100ms; }
.pat-info .pat-eg:nth-child(3) { transition-delay: 140ms; }

/* ============ CLOSING ============ */
.closing {
  justify-content: center;
  align-items: center;
  text-align: center;
  padding-top: 5rem;
}
.closing h1 { font-size: clamp(2.4rem, 4.8vw, 3.8rem); max-width: 22ch; }
.closing .signature {
  font-family: 'Caveat', cursive;
  font-size: 1.8rem;
  color: var(--clay-deep);
  margin-top: 2.5rem;
  opacity: 0.9;
}

/* ============ INTRO HOOK ============ */
.intro-hook {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-top: 1.5rem;
  align-items: start;
}
.hook-item {
  padding: 1.8rem 2rem;
  border: 1px solid var(--rule);
  border-radius: 10px;
  box-shadow: var(--shadow-soft);
  position: relative;
}
.hook-item.t-l { background: var(--cream); }
.hook-item.t-r { background: var(--paper-2); }
.hook-item .label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clay-deep);
}
.hook-item .stat {
  font-family: 'Fraunces', serif;
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.1;
  margin: 0.7rem 0 0.8rem;
}
.hook-item p { font-size: 0.95rem; line-height: 1.55; }

/* ============ NOT-AGENT ============ */
/* ============ AUTOMATION VS AGENT (Slide 5) ============ */
.vs-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  margin-top: 1.8rem;
  align-items: stretch;
}

/* Panel base */
.vs-panel {
  padding: 1.8rem 2rem;
  border-radius: 10px;
  border: 1px solid var(--rule);
  box-shadow: var(--shadow-soft);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.vs-panel:hover { box-shadow: var(--shadow-lift); }

/* Automation panel — muted, greyed, "old world" */
.vs-panel--auto {
  background: var(--paper-3);
  border-color: rgba(31,29,27,0.14);
  filter: saturate(0.7);
}

/* Agentic panel — warm, alive, distinct */
.vs-panel--agent {
  background: var(--ink);
  border-color: transparent;
  color: var(--paper);
  box-shadow: 0 2px 4px rgba(31,29,27,0.08), 0 20px 48px -14px rgba(31,29,27,0.28);
}
.vs-panel--agent:hover {
  box-shadow: 0 2px 4px rgba(31,29,27,0.1), 0 28px 56px -14px rgba(31,29,27,0.38);
}

/* Panel header */
.vs-panel-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.4rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--rule);
}
.vs-panel--agent .vs-panel-header { border-color: rgba(250,249,245,0.12); }

.vs-panel-icon {
  font-size: 0.7rem;
  opacity: 0.4;
}
.vs-panel--agent .vs-panel-icon { opacity: 0.5; }

.vs-panel-title {
  font-family: 'Fraunces', serif;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
  flex: 1;
}
.vs-panel--agent .vs-panel-title { color: var(--paper); }

.vs-panel-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  background: rgba(31,29,27,0.08);
  color: var(--ink-soft);
}
.vs-panel--agent .vs-panel-tag {
  background: rgba(250,249,245,0.12);
  color: rgba(250,249,245,0.6);
}

/* List items */
.vs-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.vs-list li::before { display: none; }
.vs-list .hand { font-size: 1.5rem; }

.vs-label {
  display: inline-block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: rgba(250,249,245,0.12);
  color: rgba(250,249,245,0.65);
  margin-right: 0.6rem;
  vertical-align: middle;
  white-space: nowrap;
}

.vs-item {
  padding: 0.65rem 0.5rem;
  border-radius: 6px;
  font-family: 'Fraunces', serif;
  font-size: 1rem;
  color: var(--ink);
  line-height: 1.4;
  border-left: 2px solid transparent;
  transition: opacity 0.2s ease, background-size 0.35s ease,
              transform 0.25s ease, color 0.2s ease, border-left-color 0.2s ease;
  cursor: default;
  opacity: 0;
  transform: translateX(-10px);
}
.vs-panel--agent .vs-item { color: rgba(250,249,245,0.85); }

.vs-item--hand {
  margin-top: 0.2rem;
  opacity: 0; /* overridden by visible class */
}

.vs-item--visible { opacity: 1; transform: translateX(0); }

/* ---- Sibling dimming when any item is hovered ---- */
.vs-panel--auto:hover .vs-item,
.vs-panel--agent:hover .vs-item {
  opacity: 0.45;
  transition: opacity 0.2s ease, background-size 0.35s ease,
              transform 0.25s ease, color 0.2s ease, border-left-color 0.2s ease;
}
.vs-panel--auto:hover .vs-item:hover,
.vs-panel--agent:hover .vs-item:hover {
  opacity: 1;
}

/* Automation: clean shift with ink left bar */
.vs-panel--auto .vs-item:not(.vs-item--hand) {
  background-image: linear-gradient(90deg, rgba(31,29,27,0.07) 0%, transparent 100%);
  background-size: 0% 100%;
  background-repeat: no-repeat;
}
.vs-panel--auto .vs-item:not(.vs-item--hand):hover {
  background-size: 100% 100%;
  border-left-color: var(--ink-soft);
  transform: translateX(5px);
}

/* Agentic: clay gradient sweep + lift */
.vs-panel--agent .vs-item:not(.vs-item--hand) {
  background-image: linear-gradient(90deg, rgba(204,120,92,0.25) 0%, transparent 70%);
  background-size: 0% 100%;
  background-repeat: no-repeat;
}
.vs-panel--agent .vs-item:not(.vs-item--hand):hover {
  background-size: 100% 100%;
  border-left-color: var(--clay-soft);
  transform: translateX(7px);
  color: var(--paper);
}
.vs-panel--agent .vs-item:not(.vs-item--hand):hover .vs-label {
  background: rgba(204,120,92,0.35);
  color: rgba(250,249,245,0.9);
}

/* VS divider */
.vs-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
}

.vs-vs {
  font-family: 'Fraunces', serif;
  font-size: 0.9rem;
  font-style: italic;
  color: var(--ink-soft);
  opacity: 0.4;
  writing-mode: vertical-rl;
  letter-spacing: 0.1em;
}

/* ============ SCROLLBAR ============ */
.slide::-webkit-scrollbar { width: 6px; }
.slide::-webkit-scrollbar-track { background: transparent; }
.slide::-webkit-scrollbar-thumb { background: rgba(31,29,27,0.14); border-radius: 3px; }

/* ============ SQUIGGLE DECORATIONS ============ */
.squiggle { position: absolute; opacity: 0.5; pointer-events: none; }
.squiggle.top-right  { top: 2rem;  right: 3rem; }
.squiggle.bottom-left{ bottom: 4rem; left: 2rem; }

/* ============ NAV: JUMP DROPUP ============ */
.nav-divider {
  width: 1px; height: 16px;
  background: var(--ink-soft);
  opacity: 0.2;
  margin: 0 0.3rem;
}

.jump-wrap { position: relative; }

.jump-btn {
  background: transparent;
  border: none;
  color: var(--ink);
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.35rem 0.85rem;
  border-radius: 100px;
  letter-spacing: -0.005em;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.jump-btn:hover { background: var(--paper-2); }
.jump-btn .caret {
  display: inline-block;
  font-size: 0.7rem;
  opacity: 0.6;
  transition: transform 0.2s;
}
.jump-btn.open .caret { transform: rotate(180deg); }

.jump-menu {
  position: absolute;
  bottom: calc(100% + 0.7rem);
  left: 0;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 10px;
  box-shadow: var(--shadow-lift);
  width: 320px;
  max-height: 60vh;
  overflow-y: auto;
  display: none;
  padding: 0.4rem;
  z-index: 200;
}
.jump-menu.open { display: block; animation: dropUp 0.22s ease; }
@keyframes dropUp {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.jump-item {
  display: flex;
  gap: 0.8rem;
  padding: 0.6rem 0.9rem;
  border-radius: 6px;
  cursor: pointer;
  align-items: baseline;
  font-family: 'Fraunces', serif;
  font-size: 0.92rem;
  color: var(--ink);
  line-height: 1.3;
  transition: background 0.15s;
}
.jump-item:hover { background: var(--paper-2); }
.jump-item.current { background: var(--cream); }
.jump-item.current::after {
  content: '';
  font-family: 'Inter', sans-serif;
  color: var(--clay-deep);
  margin-left: auto;
  font-size: 1.6rem;
  line-height: 0.5;
  white-space: nowrap;
}
.jump-item .num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
  min-width: 1.8rem;
  opacity: 0.6;
}
.jump-item .title { flex: 1; overflow: hidden; text-overflow: ellipsis; }

.jump-menu::-webkit-scrollbar { width: 6px; }
.jump-menu::-webkit-scrollbar-thumb { background: rgba(31,29,27,0.2); border-radius: 3px; }

/* ============ DOODLE BUTTONS ============ */
.nav button.doodle-btn.active { background: var(--clay); color: var(--cream); }
.nav button.doodle-btn.active:hover { background: var(--clay-soft); }
.clear-btn { color: var(--ink-soft); }

/* ============ DOODLE CANVAS ============ */
.doodle-canvas {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  touch-action: none;
}
.doodle-canvas.active { pointer-events: auto; cursor: crosshair; }
body.doodling { cursor: crosshair; }

.doodle-hint {
  position: fixed;
  bottom: 5rem; left: 50%;
  transform: translateX(-50%);
  background: var(--clay);
  color: var(--cream);
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 0.4rem 1.2rem;
  border-radius: 100px;
  z-index: 99;
  display: none;
  box-shadow: var(--shadow-soft);
}
.doodle-hint.show { display: block; animation: hintIn 0.3s ease; }
@keyframes hintIn {
  from { opacity: 0; transform: translate(-50%, 8px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .slide { padding: 2rem 1.5rem 3rem; }
  .two-col, .two-col-wide, .anatomy, .vs-container,
  .intro-hook, .not-agent, .reasons { grid-template-columns: 1fr; gap: 2rem; }
  .patterns-grid { grid-template-columns: 1fr; }
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.6rem; }
  .title-slide.active {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 2rem 1.5rem;
    align-items: start;
  }
  .notepad { max-width: 100%; padding: 1.6rem 1.4rem 1.4rem; }
}

/* ============ OPPORTUNITY QUOTES / FLIP CARDS (Slide 3) ============ */
.opp-quotes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-top: 2.5rem;
}

/* ---- Flip card shell ---- */
.flip-card {
  perspective: 1400px;
  cursor: pointer;
  height: 290px;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.75s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.flip-card.flipped .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 4px;
  /* overflow:hidden omitted — it flattens the preserve-3d context */
}

.flip-card-back {
  transform: rotateY(180deg);
}

/* ---- Front face ---- */
.opp-quote-card {
  background: var(--cream);
  border: 1px solid var(--rule);
  padding: 2.2rem 2rem 2rem;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  transition: box-shadow 0.25s ease;
}

.flip-card:not(.flipped):hover .flip-card-front {
  box-shadow: var(--shadow-lift);
}

/* ---- Back face ---- */
.opp-quote-card--back {
  background: var(--clay-deep) !important;
  border-color: transparent !important;
  justify-content: center;
  box-shadow: none !important;
}

.opp-back-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.35s ease 0.42s, transform 0.35s ease 0.42s;
}

.flip-card.flipped .opp-back-content {
  opacity: 1;
  transform: translateY(0);
}

.opp-back-mark {
  font-family: 'Fraunces', serif;
  font-size: 3.5rem;
  line-height: 0.65;
  color: rgba(250,249,245,0.25);
  font-style: italic;
}

.opp-back-text {
  font-family: 'Fraunces', serif;
  font-size: 1.45rem;
  font-style: italic;
  color: var(--paper);
  line-height: 1.45;
}

.opp-back-rule {
  width: 2rem;
  height: 1px;
  background: rgba(250,249,245,0.25);
  margin: 0.25rem 0;
}

.opp-back-attr {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(250,249,245,0.4);
}

.opp-quote-mark {
  font-family: 'Fraunces', serif;
  font-size: 4rem;
  line-height: 0.7;
  color: var(--clay);
  font-style: italic;
  opacity: 0.6;
}

.opp-quote-text {
  font-family: 'Fraunces', serif;
  font-size: 1.65rem;
  font-style: italic;
  color: var(--ink);
  line-height: 1.45;
}

.opp-quote-attr {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--clay-deep);
}

/* ---- Flip hint ---- */
.flip-hint {
  margin-top: auto;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clay);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.flip-card:not(.flipped):hover .flip-hint {
  opacity: 1;
}

/* ============ SINGTEL CASE STUDY (Slide 4) ============ */
.cs-stats {
  margin-top: 1.8rem;
  width: 100%;
}

.cs-stat {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  align-items: center;
  gap: 2.5rem;
  padding: 0.9rem 0.75rem 0.9rem 0.5rem;
  border-top: 1px solid var(--rule);
  border-left: 3px solid transparent;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease,
              background 0.22s ease, border-left-color 0.22s ease,
              padding-left 0.22s ease;
  cursor: default;
}

.cs-stat:last-child { border-bottom: 1px solid var(--rule); }

.cs-stat--visible {
  opacity: 1;
  transform: translateY(0);
}

.cs-stat:hover {
  background: var(--cream);
  border-left-color: var(--clay);
  padding-left: 1.2rem;
}

.cs-stat-value {
  font-family: 'Fraunces', serif;
  font-size: 2.1rem;
  font-weight: 600;
  font-style: italic;
  color: var(--clay-deep);
  line-height: 1;
  letter-spacing: -0.02em;
}

.cs-stat-value--tag {
  font-size: 1.2rem;
  font-style: normal;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  line-height: 1.25;
  color: var(--clay);
}

.cs-stat-text {
  font-family: 'Fraunces', serif;
  font-size: 1.05rem;
  color: var(--ink-soft);
  line-height: 1.5;
}

.cs-stat-text strong {
  color: var(--ink);
  font-weight: 600;
}

.cs-link {
  display: inline-block;
  margin-top: calc(1.2rem + 100px);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--clay);
  text-decoration: none;
  border-bottom: 1px solid var(--clay-soft);
  padding-bottom: 1px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.cs-link:hover {
  color: var(--clay-deep);
  border-color: var(--clay-deep);
}

/* ============ PULLQUOTE ============ */
/* Short closing notes / pithy observations on slides */
.pullquote {
  margin-top: 2rem;
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 1.2rem;
  color: var(--clay-deep);
  max-width: 62ch;
  line-height: 1.5;
}
.pullquote-soft {
  margin-top: 1.2rem;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

/* ============ AGENDA SLIDE ============ */
.agenda-slide {
  flex-direction: column;
  justify-content: center;
}

.agenda-track-wrap {
  margin-top: 3rem;
  width: 100%;
  overflow: visible;
  padding: 0 4rem;
  box-sizing: border-box;
}

/* Left / right labels above the bar */
.agenda-labels {
  position: relative;
  height: 2.8rem;
  margin-bottom: 0.6rem;
}

.agenda-label-left,
.agenda-label-right {
  font-family: 'Caveat', cursive;
  font-size: 2.7rem;
  color: var(--clay-deep);
  line-height: 1;
  position: absolute;
  bottom: 0;
}

/* Centered above the first milestone dot (0% of bar) */
.agenda-label-left {
  left: 0;
  transform: translateX(-50%);
}

/* Flush above bar end, shifted 70px further right */
.agenda-label-right {
  right: -70px;
}

/* Progress bar track */
.agenda-bar-bg {
  position: relative;
  width: 100%;
  height: 12px;
  background: var(--paper-3);
  border-radius: 999px;
  overflow: hidden;
  box-shadow: inset 0 1px 3px rgba(31,29,27,0.10);
}

/* Animated fill */
.agenda-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--clay-soft) 0%, var(--clay) 55%, var(--clay-deep) 100%);
  border-radius: 999px;
  position: relative;
  /* Sheen sweep */
  overflow: hidden;
}
.agenda-bar-fill::after {
  content: '';
  position: absolute;
  top: 0; left: -60%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
  animation: bar-sheen 30s ease-in-out forwards;
}
@keyframes bar-sheen {
  0%   { left: -60%; opacity: 0; }
  5%   { opacity: 1; }
  100% { left: 120%; opacity: 0; }
}

/* Milestone row sits below the bar */
.agenda-milestones {
  position: relative;
  width: 100%;
  height: 90px;
  margin-top: 0;
  overflow: visible;
}

.agenda-milestone {
  position: absolute;
  left: var(--ms-pos);
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 0;
  translate: -50% 6px;
  transition: opacity 0.4s ease, translate 0.4s ease;
}
.agenda-milestone.ms-visible {
  opacity: 1;
  translate: -50% 0;
}
/* First and last use the same centering as all other milestones */

/* Dot connector */
.ms-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--clay);
  border: 2px solid var(--paper);
  box-shadow: 0 0 0 2px var(--clay);
  margin-top: -11px; /* pull up to vertically center 10px dot on 12px bar */
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}
.ms-dot--end {
  background: var(--clay-deep);
  box-shadow: 0 0 0 2px var(--clay-deep);
}

/* Milestone text */
.ms-label {
  margin-top: 0.55rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.845rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink);
  text-align: center;
  line-height: 1.4;
  white-space: nowrap;
}
.ms-sub {
  display: block;
  font-family: 'Fraunces', serif;
  font-size: 0.936rem;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink-soft);
  font-style: italic;
}

/* ============ N8N TUTORIAL SLIDE (after First Agent Build) ============ */

/* ---- Tab bar ---- */
.n8n-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1.5px solid var(--rule);
  margin-top: 1.2rem;
  flex-shrink: 0;
}

.n8n-tab {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--ink-soft);
  background: none;
  border: none;
  border-bottom: 2.5px solid transparent;
  padding: 0.52rem 1.05rem;
  cursor: pointer;
  margin-bottom: -1.5px;
  transition: color 0.16s, border-color 0.16s;
  white-space: nowrap;
}
.n8n-tab:hover { color: var(--ink); }
.n8n-tab.n8n-tab--active {
  color: var(--clay-deep);
  border-bottom-color: var(--clay);
}

/* ---- Content wrapper ---- */
.n8n-content {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  position: relative;
}

.n8n-panel {
  display: none;
  padding-top: 1.3rem;
  height: 100%;
  overflow-y: auto;
  flex-direction: column;
}
.n8n-panel.n8n-panel--active {
  display: flex;
  animation: n8nFadeIn 0.22s ease;
}
@keyframes n8nFadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---- Shared two-col ---- */
.n8n-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.4rem;
  flex: 1;
  min-height: 0;
}

/* ---- Shared section label ---- */
.n8n-section-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clay-deep);
  margin: 0 0 0.75rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--rule);
}

/* ---- Shared code ---- */
.n8n-panel code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74em;
  background: rgba(31,29,27,0.07);
  padding: 0.08em 0.32em;
  border-radius: 3px;
  color: var(--clay-deep);
  word-break: break-all;
}

/* ---- Panel 0: Overview / mode cards ---- */
.n8n-modes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.6rem;
  margin-bottom: 1.2rem;
}
.n8n-mode-card {
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 1.2rem 1.4rem;
  box-shadow: var(--shadow-soft);
}
.n8n-mode-card:first-child { border-top: 3px solid var(--clay); }
.n8n-mode-card:last-child  { border-top: 3px solid var(--clay-soft); }
.n8n-mode-header {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  margin-bottom: 0.5rem;
}
.n8n-mode-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clay);
}
.n8n-mode-title {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
}
.n8n-mode-trigger {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  color: var(--ink-soft);
  margin: 0 0 0.5rem;
}
.n8n-mode-card > p { font-size: 0.88rem; color: var(--ink-soft); margin: 0; line-height: 1.55; }

/* ---- Panel 1: Email trigger / IMAP table ---- */
.n8n-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}
.n8n-table td {
  padding: 0.36rem 0.55rem;
  border-bottom: 1px solid var(--rule);
  vertical-align: middle;
}
.n8n-table tr:last-child td { border-bottom: none; }
.n8n-table td:first-child {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-soft);
  width: 28%;
  white-space: nowrap;
}
.n8n-ol {
  padding-left: 1.2rem;
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--ink);
}
.n8n-note {
  background: rgba(204,120,92,0.08);
  border-left: 3px solid var(--clay);
  padding: 0.5rem 0.75rem;
  font-size: 0.76rem;
  color: var(--ink-soft);
  border-radius: 0 5px 5px 0;
  margin-top: 1rem;
  font-style: italic;
}

/* ---- Panel 2: Flow diagram ---- */
.n8n-flow {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  overflow-x: auto;
  padding: 0.5rem 0 1rem;
  flex: 1;
}
.n8n-fnode {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--cream);
  border: 1.5px solid var(--rule);
  border-radius: 9px;
  padding: 0.55rem 0.75rem;
  min-width: 68px;
  text-align: center;
  box-shadow: var(--shadow-soft);
  flex-shrink: 0;
}
.n8n-fnode--trigger { border-top: 3px solid var(--forest); }
.n8n-fnode--logic   { border-top: 3px solid #B5A145; background: var(--butter); }
.n8n-fnode--ai      { border-top: 3px solid var(--clay); }
.n8n-fnode--output  { border-top: 3px solid var(--sky); }
.n8n-fnode-icon {
  font-size: 1.05rem;
  line-height: 1;
  margin-bottom: 0.22rem;
}
.n8n-fnode-name {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink);
  line-height: 1.35;
}
.n8n-fnode-sub {
  display: block;
  color: var(--clay);
  font-size: 0.56rem;
  margin-top: 0.1rem;
}
.n8n-farrow {
  font-size: 1rem;
  color: var(--ink-soft);
  opacity: 0.45;
  flex-shrink: 0;
}
.n8n-fsplit {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.n8n-fbranch {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}
.n8n-fbranch-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.18rem 0.38rem;
  border-radius: 3px;
  flex-shrink: 0;
}
.n8n-fbranch-label--true  { background: rgba(74,106,60,0.12); color: var(--forest); }
.n8n-fbranch-label--false { background: rgba(204,120,92,0.1); color: var(--clay-deep); }
.n8n-flow-caption {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  color: var(--ink-soft);
  margin-top: auto;
  padding-top: 0.6rem;
  border-top: 1px solid var(--rule);
}

/* ---- Panel 3: Build steps ---- */
.n8n-steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem 2.2rem;
  align-content: start;
}
.n8n-step {
  display: flex;
  gap: 0.75rem;
  align-items: start;
}
.n8n-step-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem;
  font-weight: 600;
  color: var(--clay);
  background: rgba(204,120,92,0.1);
  padding: 0.18rem 0.38rem;
  border-radius: 4px;
  flex-shrink: 0;
  margin-top: 0.12rem;
  letter-spacing: 0.04em;
}
.n8n-step-title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.69rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink);
  margin-bottom: 0.22rem;
}
.n8n-step-body p {
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.52;
}

/* ---- Panel 4: Test it ---- */
.n8n-test-email {
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 0.65rem 0.9rem;
  margin-bottom: 0.55rem;
}
.n8n-te-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--clay);
  margin-bottom: 0.18rem;
}
.n8n-te-subject { font-size: 0.8rem; color: var(--ink); margin-bottom: 0.1rem; }
.n8n-te-body    { font-size: 0.73rem; color: var(--ink-soft); }

/* ---- Panel 5: Extensions ---- */
.n8n-extensions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.1rem;
  margin-bottom: 1.1rem;
}
.n8n-ext-card {
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow-soft);
  transition: box-shadow 0.2s, transform 0.18s;
}
.n8n-ext-card:hover {
  box-shadow: var(--shadow-lift);
  transform: translateY(-2px);
}
.n8n-ext-icon  { font-size: 1.35rem; margin-bottom: 0.45rem; }
.n8n-ext-title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.67rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink);
  margin-bottom: 0.38rem;
}
.n8n-ext-card > p {
  font-size: 0.79rem;
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.52;
}

/* ======== SLIDE 12 - EVALUATIONS ======== */
.eval-lede {
  display: none;
}
.slide:has(.eval-layout) h1 {
  font-size: clamp(1.4rem, 2.4vw, 2.1rem);
  margin-bottom: 0.35rem;
  white-space: nowrap;
}
.eval-lede {
  max-width: 60rem;
  margin-top: 0.5rem;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* 2-col grid: stage | sections */
.eval-layout {
  display: grid;
  grid-template-columns: 1fr 1.12fr;
  gap: 0 2.6rem;
  margin-top: 0.7rem;
  flex: 1;
  min-height: 0;
  align-items: start;
}
.eval-rule { display: none; }

/* Left column: stage + handwritten note */
.eval-left {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  min-width: 0;
  padding-top: 55px;
}
.eval-stage {
  min-height: 320px;
}
.eval-stage svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
.eval-chip-row {
  display: flex;
  justify-content: center;
  margin-top: 0.6rem;
}
.eval-flow-chip {
  position: static !important;
  transform: none !important;
  background: var(--paper-2);
  color: var(--ink);
  border-color: rgba(31,29,27,0.18);
  font-size: 0.6rem;
  padding: 0.3rem 0.65rem;
}
.eval-hand {
  margin: 0;
  padding-left: 0.3rem;
  font-size: 1.2rem;
  color: var(--clay-deep);
  line-height: 1.2;
}

/* Vertical rule divider */
.eval-rule {
  width: 1px;
  background: var(--rule);
  align-self: stretch;
}

/* Right column: stacked sections */
.eval-right {
  display: flex;
  flex-direction: column;
  gap: 0;
  min-width: 0;
}

/* Eval tab bar */
.eval-tabs {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  margin-bottom: 0.75rem;
  background: var(--paper-2);
  border-radius: 999px;
  padding: 0.25rem;
  align-self: flex-start;
}
.eval-tab {
  display: inline-flex;
  align-items: center;
  padding: 0.38rem 0.9rem;
  background: transparent;
  border: none;
  border-radius: 999px;
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ink-soft);
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}
.eval-tab:hover { color: var(--ink); }
.eval-tab.active {
  background: rgba(204,120,92,0.13);
  color: var(--ink);
  border: 1.5px solid var(--clay);
  box-shadow: 0 1px 3px rgba(31,29,27,0.06);
}

/* Eval panels */
.eval-panel { display: none; }
.eval-panel.active { display: flex; flex-direction: column; gap: 0.7rem; }

/* Section header — title + mono tag pill, with rule under */
.eval-section {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}
.eval-section-header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding-bottom: 0.32rem;
  border-bottom: 1px solid var(--rule);
}
.eval-section-title {
  margin: 0;
  font-family: 'Fraunces', serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.005em;
  flex: 1;
}
.eval-section-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(31,29,27,0.06);
  color: var(--ink-soft);
}

/* Steps list */
.eval-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.eval-step {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0 0.7rem;
  align-items: baseline;
  padding: 0.3rem 0.2rem;
}
.eval-step + .eval-step {
  border-top: 1px solid var(--rule);
}
.eval-step-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--clay);
}
.eval-step-body {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
  min-width: 0;
}
.eval-step-body strong {
  font-family: 'Fraunces', serif;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.28;
}
.eval-step-body span {
  font-family: 'Fraunces', serif;
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--ink-soft);
}

/* Metrics list — .ana-el-style: icon + mono caps name + formula + italic eg */
.eval-metrics {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.eval-metrics li::before { display: none; }
.eval-metric {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 0 0.75rem;
  align-items: start;
  padding: 0.32rem 0.2rem;
}
.eval-metric + .eval-metric {
  border-top: 1px solid var(--rule);
}
.eval-metric-icon {
  width: 22px;
  height: 22px;
  color: var(--clay);
  opacity: 0.85;
  padding-top: 0.12rem;
}
.eval-metric-icon svg {
  width: 100%;
  height: 100%;
}
.eval-metric-body {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}
.eval-metric-head {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  flex-wrap: wrap;
}
.eval-metric-name {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink);
}
.eval-metric-formula {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem;
  color: var(--clay);
  background: rgba(204,120,92,0.08);
  border: 1px solid rgba(204,120,92,0.18);
  padding: 0.1rem 0.42rem;
  border-radius: 3px;
  letter-spacing: 0.01em;
}
.eval-metric-eg {
  margin: 0;
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 0.82rem;
  line-height: 1.4;
  color: var(--ink-soft);
}

/* SVG verdict glyphs + labels */
.eval-tick {
  fill: none;
  stroke: var(--clay);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.eval-cross {
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.7;
}
.eval-score-label {
  font-size: 10px;
}
.eval-col-lbl {
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.eval-agent-lbl {
  font-size: 11px;
  font-family: 'Fraunces', serif;
  font-style: italic;
  fill: var(--ink);
  letter-spacing: 0.02em;
  text-transform: none;
}

/* ====== TE-style diagram ====== */
.te-bracket path {
  stroke: var(--ink-soft);
  stroke-width: 1.2;
  stroke-linecap: square;
  fill: none;
  opacity: 0.55;
}
.te-head {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 8.5px;
  letter-spacing: 0.14em;
  fill: var(--ink-soft);
  text-transform: uppercase;
}
.te-bus {
  stroke: var(--rule);
  stroke-width: 1;
  opacity: 0.55;
}
.te-wire {
  stroke: var(--ink);
  stroke-width: 0.9;
  fill: none;
  opacity: 0.55;
  stroke-linecap: square;
  stroke-linejoin: miter;
}
.te-packet {
  fill: var(--clay);
  opacity: 0.95;
}
.te-pad {
  fill: var(--paper);
  stroke: var(--ink);
  stroke-width: 1.1;
}
.te-pad-pass {
  fill: #F3E5DE;
  stroke: var(--clay);
}
.te-pad-fail {
  fill: var(--paper);
  stroke: var(--ink);
  stroke-width: 1.4;
}
.te-idx {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 8px;
  fill: var(--ink);
  font-weight: 600;
  letter-spacing: 0.06em;
}
.te-pad-pass ~ .te-idx,
.te-pad-fail ~ .te-idx { fill: var(--ink); }
.te-unit {
  fill: var(--ink);
  stroke: var(--ink);
  stroke-width: 1;
}
.te-unit-inner {
  fill: none;
  stroke: rgba(250,249,245,0.22);
  stroke-width: 0.8;
}
.te-unit-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  fill: var(--paper);
}
.te-unit-sub {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 7.5px;
  letter-spacing: 0.12em;
  fill: rgba(250,249,245,0.55);
  text-transform: uppercase;
}
.te-pulse { fill: var(--clay); }

.te-meter-lbl,
.te-meter-val {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 8.5px;
  letter-spacing: 0.14em;
  fill: var(--ink);
  text-transform: uppercase;
  font-weight: 600;
}
.te-meter-track {
  fill: none;
  stroke: var(--ink);
  stroke-width: 0.9;
  opacity: 0.6;
}
.te-meter-ticks line {
  stroke: var(--ink);
  stroke-width: 0.8;
  opacity: 0.45;
}
.te-meter-fill {
  fill: var(--clay);
  opacity: 0.9;
}
.te-caption {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 8.5px;
  letter-spacing: 0.12em;
  fill: var(--ink-soft);
  text-transform: uppercase;
}

/* ============ SLIDE 13: TOOLS FOR BUILDING AGENTS ============ */
.tools-slide h1 { margin-bottom: 1.1rem; }

/* Controls row: search + filter pills */
.tools-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 0.4rem 0 1rem;
  flex-wrap: wrap;
}

.tools-search-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  width: 280px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 0.45rem 0.9rem 0.45rem 2rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.tools-search-wrap:focus-within {
  border-color: var(--clay);
  box-shadow: 0 0 0 3px rgba(204,120,92,0.14);
}
.tools-search-icon {
  position: absolute;
  left: 0.8rem;
  width: 14px;
  height: 14px;
  color: var(--ink-soft);
  opacity: 0.7;
}
.tools-search {
  border: none;
  outline: none;
  background: transparent;
  font-family: 'Inter', sans-serif;
  font-size: 0.84rem;
  color: var(--ink);
  width: 100%;
  letter-spacing: -0.005em;
}
.tools-search::placeholder { color: var(--ink-soft); opacity: 0.7; }

/* ---- Filters: All button + labeled groups ---- */
.tools-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.75rem;
  align-items: stretch;
  flex: 1 1 auto;
}

/* Base chip */
.tools-filter {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 0.38rem 0.75rem;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease,
              border-color 0.18s ease, transform 0.18s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  line-height: 1;
  white-space: nowrap;
}
.tools-filter span {
  font-size: 0.6rem;
  opacity: 0.6;
  font-weight: 500;
}
.tools-filter:hover {
  color: var(--ink);
  border-color: rgba(31,29,27,0.28);
  background: var(--paper-2);
}
.tools-filter.active {
  color: var(--paper);
  background: var(--ink);
  border-color: var(--ink);
}
.tools-filter.active span { opacity: 0.55; }

/* "All" chip — visually separated, slightly stronger */
.tools-filter-all {
  padding: 0.42rem 0.85rem 0.42rem 0.7rem;
  gap: 0.45rem;
  color: var(--ink);
  border-color: rgba(31,29,27,0.22);
  background: var(--paper-2);
  font-weight: 600;
}
.tools-filter-all::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--clay);
  margin-right: 0.1rem;
  opacity: 0.9;
}
.tools-filter-all.active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}
.tools-filter-all.active::before { background: var(--clay); opacity: 1; }
.tf-all-label { font-size: 0.68rem; letter-spacing: 0.12em; }
.tf-all-count {
  font-size: 0.58rem;
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  background: rgba(31,29,27,0.08);
  color: var(--ink);
  opacity: 0.7;
}
.tools-filter-all.active .tf-all-count {
  background: rgba(255,255,255,0.18);
  color: var(--paper);
  opacity: 0.95;
}

/* Labeled filter group — keeps label + chips visually bound as one unit */
.tools-filter-group {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.45rem 0.25rem 0.65rem;
  border-radius: 10px;
  background: rgba(31,29,27,0.035);
  border: 1px solid rgba(31,29,27,0.08);
}
.tfg-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  opacity: 0.6;
  margin-right: 0.3rem;
  user-select: none;
  white-space: nowrap;
}
/* Slight distinction — chips inside a group sit on the group's tinted bg */
.tools-filter-group .tools-filter {
  background: var(--paper);
}
.tools-filter-group .tools-filter:hover {
  background: var(--paper-2);
}
.tools-filter-group .tools-filter.active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

/* Table container */
.tools-table-wrap {
  flex: 1 1 auto;
  overflow: auto;
  border: 1px solid var(--rule);
  border-radius: 10px;
  background: var(--paper);
  box-shadow: var(--shadow-soft);
  position: relative;
}

.tools-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  color: var(--ink);
  table-layout: fixed;
}

/* Header */
.tools-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--paper-2);
  border-bottom: 1px solid var(--rule);
  padding: 0.8rem 0.9rem;
  text-align: left;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 500;
  cursor: grab;
  user-select: none;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease;
}
.tools-table thead th:hover { background: var(--paper-3); color: var(--ink); }
.tools-table thead th.tt-center { text-align: center; }
.tools-table thead th .tt-hlabel { vertical-align: middle; }
.tools-table thead th .tt-sort {
  width: 8px;
  height: 12px;
  color: var(--ink-soft);
  opacity: 0.4;
  margin-left: 0.4rem;
  vertical-align: middle;
  transition: opacity 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.tools-table thead th:hover .tt-sort { opacity: 0.75; }

/* Sort indicator: highlight the active arrow */
.tools-table thead th.tt-sorted-asc .tt-sort path:first-child { stroke: var(--clay-deep); opacity: 1; }
.tools-table thead th.tt-sorted-asc .tt-sort { color: var(--clay-deep); opacity: 1; }
.tools-table thead th.tt-sorted-desc .tt-sort path:last-child { stroke: var(--clay-deep); opacity: 1; }
.tools-table thead th.tt-sorted-desc .tt-sort { color: var(--clay-deep); opacity: 1; }

/* Drag-reorder affordance */
.tools-table thead th.tt-dragging {
  opacity: 0.35;
  background: var(--paper-3);
}
.tools-table thead th.tt-drop-target {
  box-shadow: inset 3px 0 0 0 var(--clay);
}

/* Rows */
.tools-table tbody td {
  padding: 0.85rem 0.9rem;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
  line-height: 1.45;
  transition: background 0.18s ease, color 0.18s ease;
}
.tools-table tbody tr:last-child td { border-bottom: none; }
.tools-table tbody tr {
  transition: background 0.18s ease, transform 0.2s ease;
}
.tools-table tbody tr:hover td {
  background: linear-gradient(90deg, rgba(204,120,92,0.07) 0%, rgba(204,120,92,0.02) 100%);
}
.tools-table tbody tr:hover .tt-name a { color: var(--clay-deep); }
.tools-table tbody tr.tt-hidden { display: none; }

/* Tool name cell */
.tt-name a {
  font-family: 'Fraunces', serif;
  font-size: 0.96rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: baseline;
  gap: 0.2rem;
  line-height: 1.2;
  transition: color 0.2s ease;
}
.tt-name .tt-ext {
  font-size: 0.7rem;
  opacity: 0.4;
  font-family: 'Inter', sans-serif;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.tt-name a:hover .tt-ext { opacity: 0.85; transform: translate(1px, -1px); }
.tt-name .tt-cat {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.56rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  opacity: 0.7;
  margin-top: 0.25rem;
}

.tt-desc, .tt-use {
  color: var(--ink);
  font-size: 0.78rem;
  line-height: 1.45;
}
.tt-use { color: var(--ink-soft); }

.tools-table td.tt-center { text-align: center; vertical-align: middle; }

/* No-code pill */
.tt-pill {
  display: inline-block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.22rem 0.55rem;
  border-radius: 999px;
  line-height: 1;
  white-space: nowrap;
  border: 1px solid transparent;
}
.tt-pill-yes {
  background: rgba(74,106,60,0.14);
  color: #4A6A3C;
}
.tt-pill-no {
  background: rgba(31,29,27,0.08);
  color: var(--ink-soft);
}
.tt-pill-mixed {
  background: rgba(201,167,88,0.18);
  color: #8A6F25;
}

/* Lift indicator: dots + label */
.tt-lift {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  white-space: nowrap;
}
.tt-lift i {
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(31,29,27,0.14);
}
.tt-lift-1 i:nth-child(1) { background: var(--clay); }
.tt-lift-2 i:nth-child(1),
.tt-lift-2 i:nth-child(2) { background: var(--clay); }
.tt-lift-3 i { background: var(--clay); }
.tt-lift-3 { color: var(--clay-deep); }

/* Empty state */
.tools-empty {
  display: none;
  padding: 2.4rem 1.5rem;
  text-align: center;
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 1rem;
  color: var(--ink-soft);
}
.tools-table-wrap.tt-empty .tools-table { display: none; }
.tools-table-wrap.tt-empty .tools-empty { display: block; }

/* Scrollbar inside the table wrap */
.tools-table-wrap::-webkit-scrollbar { width: 6px; height: 6px; }
.tools-table-wrap::-webkit-scrollbar-track { background: transparent; }
.tools-table-wrap::-webkit-scrollbar-thumb { background: rgba(31,29,27,0.14); border-radius: 3px; }

/* Slight reveal animation when the slide becomes active */
.tools-slide.active .tools-table tbody tr {
  animation: ttRowIn 0.5s cubic-bezier(0.22, 0.8, 0.36, 1) both;
  animation-delay: calc(var(--tt-i, 0) * 24ms + 80ms);
}
@keyframes ttRowIn {
  from { opacity: 0; transform: translateY(5px); }
  to   { opacity: 1; transform: translateY(0); }
}