/* ============================================================
   IBP Full Programme — Deck 14
   Same Lens design language as Ask Max, simplified for v1.
   ============================================================ */

:root {
  --ibp-forest:        #3D5D4A;
  --ibp-forest-deep:   #2A4233;
  --ibp-sage:          #7A9888;
  --ibp-cream:         #F5F3EE;
  --ibp-bg:            #ECEAE3;
  --ibp-ink:           #1A1915;
  --ibp-ink-mut:       rgba(26,25,21,0.55);
  --ibp-amber:         #C99A4A;
}

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

html {
  scroll-behavior: smooth;
  scroll-snap-type: y proximity;
}

body {
  background: var(--ibp-bg);
  color: var(--ibp-ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-feature-settings: 'ss01' on, 'cv11' on;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

/* ----- Slide container ----- */
.deck-slide {
  width: 100vw;
  min-height: 100vh;
  scroll-snap-align: start;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 80px;
  position: relative;
}
.deck-slide .stage {
  width: 100%;
  max-width: 1280px;
  position: relative;
  padding: 0;
}
.deck-slide.dark { background: var(--ibp-forest-deep); color: var(--ibp-cream); }

/* ----- Eyebrow + page no ----- */
.slide-eyebrow-mark {
  font-size: 11px;
  letter-spacing: 0.30em;
  text-transform: uppercase;
  color: var(--ibp-ink-mut);
  font-weight: 600;
  margin-bottom: 24px;
}
.slide-eyebrow-mark.dark { color: rgba(245,243,238,0.55); }
.slide-pageno {
  position: absolute;
  bottom: 0; right: 0;
  font-size: 11px;
  letter-spacing: 0.30em;
  color: var(--ibp-ink-mut);
  font-variant-numeric: tabular-nums;
}
.slide-pageno.dark { color: rgba(245,243,238,0.55); }

/* ----- Thesis block ----- */
.thesis { margin: 0 0 32px; }
.thesis .eyebrow {
  font-size: 10px;
  letter-spacing: 0.30em;
  text-transform: uppercase;
  color: var(--ibp-forest);
  font-weight: 700;
  margin-bottom: 14px;
}
.thesis-line {
  font-size: clamp(40px, 5vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.022em;
  color: var(--ibp-ink);
  font-weight: 600;
}
.thesis-line em {
  font-style: normal;
  color: var(--ibp-forest);
  font-weight: 700;
}
.dark .thesis-line { color: var(--ibp-cream); }
.dark .thesis-line em { color: var(--ibp-sage); }

.strap {
  margin-top: 32px;
  font-size: 14px;
  color: var(--ibp-ink-mut);
  line-height: 1.5;
  font-style: italic;
}
.dark .strap { color: rgba(245,243,238,0.7); }

/* ============================================================
   S1 — COVER
   ============================================================ */
.s1 { background: var(--ibp-bg); }
.s1 .cover-text {
  margin-top: 80px;
  max-width: 920px;
}
.s1 .cover-line {
  font-size: clamp(56px, 8vw, 112px);
  line-height: 1.0;
  letter-spacing: -0.030em;
  font-weight: 600;
  color: var(--ibp-ink);
}
.s1 .cover-line strong { color: var(--ibp-forest); font-weight: 700; }
.s1 .cover-subline {
  margin-top: 32px;
  font-size: 18px;
  color: var(--ibp-ink-mut);
  line-height: 1.45;
  max-width: 700px;
}
.s1 .cover-mark {
  position: absolute;
  top: 0; left: 0;
  font-size: 11px;
  letter-spacing: 0.30em;
  color: var(--ibp-forest);
  font-weight: 700;
}

/* ============================================================
   S2 — VECTOR GRID
   ============================================================ */
.vector-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 24px;
}
.vector-tile {
  background: rgba(255,255,255,0.6);
  border: 1px solid rgba(26,25,21,0.08);
  border-radius: 8px;
  padding: 24px 22px;
  position: relative;
  min-height: 180px;
}
.vector-tile .vector-num {
  position: absolute;
  top: 16px; right: 18px;
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--ibp-ink-mut);
  font-variant-numeric: tabular-nums;
}
.vector-tile .vector-icon {
  width: 36px; height: 36px;
  margin-bottom: 16px;
}
.vector-tile .vector-icon .lucide {
  width: 32px; height: 32px;
  stroke: var(--ibp-forest);
  stroke-width: 1.7;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.vector-tile .vector-label {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.005em;
}
.vector-tile .vector-quote {
  font-size: 13px;
  color: var(--ibp-ink-mut);
  font-style: italic;
  line-height: 1.45;
}

/* ============================================================
   S3 — WORKSTREAMS WHEEL (dark)
   ============================================================ */
.ws-wheel { max-width: 1080px; }
.ws-wheel h2 {
  font-size: clamp(40px, 5vw, 56px);
  line-height: 1.05;
  font-weight: 600;
  letter-spacing: -0.022em;
  margin-bottom: 40px;
}
.ws-wheel h2 em { font-style: normal; color: var(--ibp-sage); font-weight: 700; }
.ws-list { display: flex; flex-direction: column; gap: 12px; }
.ws-row {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 18px 24px;
  background: rgba(245,243,238,0.06);
  border: 1px solid rgba(245,243,238,0.10);
  border-radius: 8px;
}
.ws-row.hot {
  background: rgba(122,152,136,0.18);
  border-color: rgba(122,152,136,0.30);
}
.ws-num {
  font-size: 14px;
  letter-spacing: 0.20em;
  color: var(--ibp-sage);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.ws-name {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--ibp-cream);
}
.ws-state {
  font-size: 13px;
  color: rgba(245,243,238,0.6);
  font-style: italic;
}
.ws-foot {
  margin-top: 32px;
  font-size: 12px;
  color: rgba(245,243,238,0.5);
}
.ws-foot code {
  background: rgba(245,243,238,0.08);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 11px;
}

/* ============================================================
   S4 — ECONOMICS
   ============================================================ */
.econ-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 32px;
}
.econ-tile {
  background: rgba(255,255,255,0.65);
  border: 1px solid rgba(26,25,21,0.08);
  border-radius: 10px;
  padding: 32px 28px;
  text-align: left;
}
.econ-tile.total {
  background: var(--ibp-forest);
  border-color: var(--ibp-forest);
}
.econ-tile.total .econ-figure,
.econ-tile.total .econ-label,
.econ-tile.total .econ-note { color: var(--ibp-cream); }
.econ-tile.total .econ-note { color: rgba(245,243,238,0.75); }
.econ-figure {
  font-size: 56px;
  font-weight: 700;
  letter-spacing: -0.022em;
  color: var(--ibp-ink);
  line-height: 1;
}
.econ-label {
  font-size: 14px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--ibp-forest);
  margin-top: 16px;
}
.econ-note {
  font-size: 13px;
  color: var(--ibp-ink-mut);
  margin-top: 12px;
  line-height: 1.45;
}

.outcome-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 24px;
}
.outcome-tile {
  background: transparent;
  border: 1px dashed rgba(26,25,21,0.18);
  border-radius: 6px;
  padding: 16px 14px;
}
.outcome-num {
  font-size: 24px;
  font-weight: 700;
  color: var(--ibp-forest);
  letter-spacing: -0.012em;
}
.outcome-label {
  font-size: 11px;
  color: var(--ibp-ink-mut);
  letter-spacing: 0.05em;
  margin-top: 4px;
}

/* ============================================================
   S5 — MONTHLY CYCLE
   ============================================================ */
.cycle-row {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 8px;
  align-items: stretch;
  margin-top: 32px;
}
.cycle-step {
  grid-column: span 1;
  background: rgba(255,255,255,0.65);
  border: 1px solid rgba(26,25,21,0.08);
  border-radius: 6px;
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.cycle-row .cycle-step:nth-child(odd) { grid-column: span 1.6; }
.cycle-arrow {
  grid-column: span 0.4;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--ibp-forest);
  font-weight: 600;
}
/* simpler 5-step + 4-arrow layout */
.cycle-row {
  grid-template-columns: 1fr 30px 1fr 30px 1fr 30px 1fr 30px 1fr;
}
.cycle-step.mbr {
  background: var(--ibp-forest);
}
.cycle-step.mbr .cycle-week,
.cycle-step.mbr .cycle-name,
.cycle-step.mbr .cycle-owner,
.cycle-step.mbr .cycle-out { color: var(--ibp-cream); }
.cycle-step.mbr .cycle-out { color: rgba(245,243,238,0.8); }
.cycle-week {
  font-size: 10px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--ibp-forest);
  font-weight: 700;
}
.cycle-name {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.005em;
}
.cycle-owner {
  font-size: 11px;
  color: var(--ibp-ink-mut);
  font-style: italic;
}
.cycle-out {
  font-size: 11px;
  color: var(--ibp-ink-mut);
  line-height: 1.4;
  margin-top: 6px;
}

/* ============================================================
   S6 — ARCHITECTURE
   ============================================================ */
.arch-pipeline {
  display: grid;
  grid-template-columns: 1fr 60px 1.2fr 60px 1fr;
  gap: 12px;
  align-items: start;
  margin-top: 32px;
}
.arch-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.arch-col-label {
  font-size: 10px;
  letter-spacing: 0.30em;
  text-transform: uppercase;
  color: var(--ibp-forest);
  font-weight: 700;
  margin-bottom: 6px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(26,25,21,0.10);
}
.arch-tile {
  background: rgba(255,255,255,0.65);
  border: 1px solid rgba(26,25,21,0.08);
  border-radius: 6px;
  padding: 14px 16px;
  font-size: 14px;
  font-weight: 500;
}
.arch-tile.big {
  background: var(--ibp-forest);
  color: var(--ibp-cream);
  font-size: 18px;
  font-weight: 700;
  padding: 18px 20px;
}
.arch-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--ibp-forest);
  margin-top: 18px;
}

/* ============================================================
   S7 — ROADMAP
   ============================================================ */
.roadmap {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-top: 32px;
}
.rm-stage {
  background: rgba(255,255,255,0.65);
  border: 1px solid rgba(26,25,21,0.08);
  border-radius: 8px;
  padding: 18px 18px;
}
.rm-stage.hero {
  background: var(--ibp-forest);
  border-color: var(--ibp-forest);
}
.rm-stage.hero .rm-phase,
.rm-stage.hero .rm-title,
.rm-stage.hero .rm-note { color: var(--ibp-cream); }
.rm-stage.hero .rm-note { color: rgba(245,243,238,0.85); }
.rm-phase {
  font-size: 10px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--ibp-forest);
  font-weight: 700;
  margin-bottom: 8px;
}
.rm-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.005em;
}
.rm-note {
  font-size: 12px;
  color: var(--ibp-ink-mut);
  line-height: 1.45;
}

/* ============================================================
   S8 — THE ASK
   ============================================================ */
.ask-block { max-width: 940px; }
.ask-block h2 {
  font-size: clamp(40px, 5vw, 56px);
  line-height: 1.05;
  font-weight: 600;
  letter-spacing: -0.022em;
  margin-bottom: 40px;
}
.ask-block h2 em { font-style: normal; color: var(--ibp-sage); font-weight: 700; }
.ask-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 40px;
}
.ask-list li {
  font-size: 17px;
  line-height: 1.5;
  padding-left: 28px;
  position: relative;
  color: rgba(245,243,238,0.95);
}
.ask-list li::before {
  content: '→';
  position: absolute;
  left: 0; top: 0;
  color: var(--ibp-sage);
  font-weight: 700;
}
.ask-list li strong { color: var(--ibp-cream); }
.ask-list li code {
  background: rgba(245,243,238,0.10);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 13px;
}
.ask-foot {
  font-size: 13px;
  color: rgba(245,243,238,0.6);
  font-style: italic;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(245,243,238,0.10);
}

/* ============================================================
   SIDE NAV
   ============================================================ */
.deck-nav {
  position: fixed;
  right: 24px; top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 100;
  background: rgba(14,16,16,0.7);
  backdrop-filter: blur(10px);
  padding: 14px 10px;
  border-radius: 24px;
  border: 1px solid rgba(245,243,238,0.06);
}
.deck-nav a {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(245,243,238,0.18);
  display: block;
  position: relative;
  transition: all 200ms ease;
}
.deck-nav a:hover { background: var(--ibp-sage); transform: scale(1.25); }
.deck-nav a.is-current {
  background: var(--ibp-sage);
  box-shadow: 0 0 0 3px rgba(122,152,136,0.25);
  transform: scale(1.4);
}
.deck-nav a::after {
  content: attr(data-title);
  position: absolute;
  right: 22px; top: 50%;
  transform: translateY(-50%);
  background: rgba(14,16,16,0.92);
  color: var(--ibp-cream);
  padding: 4px 10px;
  font-size: 11px;
  letter-spacing: 0.08em;
  border-radius: 4px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms;
}
.deck-nav a:hover::after { opacity: 1; }

.deck-progress {
  position: fixed;
  left: 0; top: 0;
  height: 3px;
  width: 100%;
  background: rgba(245,243,238,0.04);
  z-index: 99;
}
.deck-progress > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--ibp-sage), var(--ibp-forest));
  width: 0;
  transition: width 240ms ease;
}

/* ============================================================
   MOBILE
   ============================================================ */
@media (max-width: 980px) {
  html { scroll-snap-type: none; }
  .deck-slide {
    min-height: 0;
    padding: 40px 20px;
    display: block;
  }
  .deck-nav { display: none; }
  .vector-grid { grid-template-columns: 1fr; }
  .econ-grid { grid-template-columns: 1fr; }
  .outcome-grid { grid-template-columns: repeat(2, 1fr); }
  .cycle-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .cycle-arrow {
    transform: rotate(90deg);
    margin: 0 auto;
  }
  .arch-pipeline {
    grid-template-columns: 1fr;
  }
  .arch-arrow {
    transform: rotate(90deg);
    margin: 0 auto;
  }
  .roadmap { grid-template-columns: 1fr; }
  .ws-row { grid-template-columns: 60px 1fr; }
  .ws-state { grid-column: 1 / -1; padding-left: 84px; }
}