/* ===========================================
   Build My Workflow — Pitch Deck
   Black on WHITE, matching live landing page
   =========================================== */

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

:root {
  --black: #000;
  --ink: #000;
  --white: #fff;
  --paper: #fafafa;
  --line: #e6e6e6;
  --line-soft: #f0f0f0;
  --line-dark: rgba(255,255,255,0.12);
  --muted: #606060;
  --accent: #28e070;
  --pad: clamp(28px, 5vw, 80px);
  --brand-h: clamp(44px, 3.8vw, 56px);
  --ui-h: clamp(38px, 3.4vw, 48px);
  --mx: 50%;
  --my: 50%;
}

html, body {
  margin: 0; padding: 0;
  height: 100%;
  background: var(--white);
  color: var(--black);
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
  overscroll-behavior: none;
}

img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: none; background: none; padding: 0; color: inherit; }
ul, ol { list-style: none; padding: 0; margin: 0; }
table { border-collapse: collapse; width: 100%; }

/* ===========================================
   AMBIENT POINTER GLOW
   =========================================== */
.ambient {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(circle 700px at var(--mx) var(--my),
    rgba(0,0,0,0.025), transparent 60%);
}

/* ===========================================
   BRAND STRIP (top)
   =========================================== */
.brand-strip {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--brand-h);
  z-index: 30;
  padding: 0 var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
  pointer-events: none;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 16px;
}
.brand__mark { width: 26px; height: auto; }
.brand__io { color: var(--muted); }
.meta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.meta__pill {
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
}

/* ===========================================
   STAGE / SLIDES
   =========================================== */
.stage {
  position: fixed;
  inset: 0;
  z-index: 1;
}
.slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--brand-h) + clamp(10px, 1.6vw, 24px)) var(--pad) calc(var(--ui-h) + clamp(10px, 1.6vw, 22px));
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity 480ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 560ms cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0s linear 480ms;
  overflow: hidden;
}
.slide.active { overflow: hidden; }
.slide.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition-delay: 0s;
}
.slide.exit-up { transform: translateY(-16px); }

.slide__inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}
.slide__inner--center {
  align-items: center;
  text-align: center;
}

/* Dense slides — tighter spacing for content-heavy slides */
.slide--dense .slide__title {
  font-size: clamp(22px, 3.2vw, 40px);
  margin-bottom: clamp(10px, 1.2vw, 16px);
}
.slide--dense .eyebrow {
  margin-bottom: clamp(8px, 1vw, 12px);
}
.slide--dense .slide__lead {
  font-size: clamp(14px, 1.2vw, 17px);
  margin-bottom: clamp(10px, 1.2vw, 16px);
}
.slide--dense .engine__line {
  padding: clamp(10px, 1.4vw, 18px) 0;
}
.slide--dense .engine__h {
  font-size: clamp(17px, 1.6vw, 22px);
  margin-bottom: 6px;
}
.slide--dense .engine__d {
  font-size: clamp(12px, 1vw, 14px);
  line-height: 1.45;
}
.slide--dense .engine__num {
  font-size: clamp(16px, 1.6vw, 22px);
}
.slide--dense .ue__row {
  padding: clamp(6px, 0.8vw, 10px) 0;
}
.slide--dense .ue__v {
  font-size: clamp(18px, 1.6vw, 24px);
}
.slide--dense .ue__n {
  font-size: clamp(10px, 0.9vw, 12px);
}
.slide--dense .ue__ltv {
  margin-top: clamp(10px, 1.3vw, 16px);
  font-size: clamp(13px, 1.1vw, 16px);
}
.slide--dense .poc__row {
  padding: clamp(7px, 0.9vw, 11px) 0;
}
.slide--dense .poc__name { font-size: clamp(14px, 1.2vw, 17px); }
.slide--dense .poc__rev  { font-size: clamp(12px, 1vw, 14px); }
.slide--dense .poc__d    { font-size: clamp(11px, 0.95vw, 13px); }
.slide--dense .ms {
  padding: clamp(8px, 1vw, 13px) 0;
}
.slide--dense .ms__h { font-size: clamp(15px, 1.3vw, 20px); }
.slide--dense .ms__d { font-size: clamp(11px, 1vw, 14px); }
.slide--dense .market__row {
  padding: clamp(8px, 1vw, 14px) 0;
}
.slide--dense .market__n { font-size: clamp(26px, 3.2vw, 44px); }
.slide--dense .market__desc { font-size: clamp(11px, 1vw, 14px); }
.slide--dense .vision__row {
  padding: clamp(10px, 1.3vw, 16px) 0;
}
.slide--dense .vision__h { font-size: clamp(16px, 1.5vw, 22px); }
.slide--dense .vision__d { font-size: clamp(12px, 1vw, 14px); }
.slide--dense .vision__y { font-size: clamp(16px, 1.6vw, 22px); }
.slide--dense .model__controls { padding: clamp(14px, 1.6vw, 18px); gap: clamp(10px, 1.2vw, 16px); }
.slide--dense .model__outputs { padding: clamp(14px, 1.6vw, 20px); }
.slide--dense .kpi__v { font-size: clamp(20px, 2vw, 30px); }
.slide--dense .chart { padding: clamp(10px, 1.2vw, 16px); }
.slide--dense .chart svg { height: clamp(100px, 13vw, 140px); }

/* ===========================================
   TYPOGRAPHY
   =========================================== */
.eyebrow {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 clamp(16px, 1.8vw, 24px);
}
.slide__title {
  font-size: clamp(28px, 4.2vw, 56px);
  line-height: 1.02;
  letter-spacing: -0.045em;
  font-weight: 800;
  margin: 0 0 clamp(14px, 1.6vw, 22px);
  max-width: 20ch;
}
.slide__lead {
  font-size: clamp(16px, 1.4vw, 20px);
  line-height: 1.5;
  max-width: 62ch;
  margin: 0 0 clamp(20px, 2.5vw, 32px);
  color: #2a2a2a;
}
.slide__close {
  font-size: clamp(15px, 1.3vw, 19px);
  line-height: 1.5;
  margin: clamp(24px, 3vw, 40px) 0 0;
  max-width: 62ch;
  font-weight: 600;
}
.hl {
  background: var(--black);
  color: var(--white);
  padding: 0 10px;
  border-radius: 4px;
}

/* ===========================================
   01 — COVER
   =========================================== */
.slide--cover {
  align-items: flex-start;
  justify-content: center;
}
.cover {
  width: 100%;
  max-width: 900px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.cover__mark {
  width: clamp(56px, 6vw, 80px);
  margin-bottom: clamp(20px, 3vw, 32px);
}
.cover__title {
  font-size: clamp(56px, 9vw, 128px);
  line-height: 0.92;
  letter-spacing: -0.05em;
  font-weight: 900;
  margin: 0 0 clamp(18px, 2.5vw, 32px);
}
.cover__tag {
  font-size: clamp(17px, 1.6vw, 22px);
  line-height: 1.4;
  margin: 0 0 clamp(24px, 3vw, 36px);
  max-width: 32ch;
  color: #2a2a2a;
}
.cover__meta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  color: var(--muted);
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
}
.dot {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
}
.dot--live { animation: pulse 2.2s infinite; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(40,224,112,0.55); }
  70% { box-shadow: 0 0 0 10px rgba(40,224,112,0); }
  100% { box-shadow: 0 0 0 0 rgba(40,224,112,0); }
}
.cover__footer {
  width: 100%;
  margin-top: clamp(28px, 3.5vw, 48px);
  padding-top: clamp(20px, 2vw, 28px);
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ===========================================
   02 — THE FRAME
   =========================================== */
.frame__title {
  font-size: clamp(38px, 6vw, 80px);
  line-height: 1;
  letter-spacing: -0.045em;
  font-weight: 800;
  margin: 0 0 clamp(20px, 2.5vw, 32px);
  text-align: center;
  max-width: 22ch;
}
.frame__sub {
  font-size: clamp(16px, 1.4vw, 21px);
  line-height: 1.5;
  max-width: 64ch;
  margin: 0 auto;
  color: #2a2a2a;
  text-align: center;
}

/* ===========================================
   03 — PROBLEM LIST
   =========================================== */
.prob {
  width: 100%;
  margin: clamp(18px, 2.2vw, 28px) 0 0;
}
.prob li {
  padding: clamp(14px, 1.5vw, 20px) 0 clamp(14px, 1.5vw, 20px) clamp(26px, 2.5vw, 36px);
  border-top: 1px solid var(--line);
  font-size: clamp(16px, 1.3vw, 20px);
  line-height: 1.4;
  position: relative;
}
.prob li:last-child { border-bottom: 1px solid var(--line); }
.prob li::before {
  content: '';
  position: absolute;
  left: 0;
  top: calc(50% - 1px);
  width: clamp(16px, 1.6vw, 22px);
  height: 2px;
  background: var(--black);
}

/* ===========================================
   03b — DUAL AVATAR (problem)
   =========================================== */
.dual {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(14px, 1.8vw, 24px);
  width: 100%;
  margin-top: clamp(16px, 2vw, 24px);
}
.dual__col {
  padding: clamp(22px, 2.5vw, 32px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
}
.dual__label {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 18px;
}
.dual__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0 0 22px;
  flex: 1;
}
.dual__list li {
  position: relative;
  padding-left: 22px;
  font-size: clamp(14px, 1.15vw, 17px);
  line-height: 1.45;
}
.dual__list li::before {
  content: '';
  position: absolute;
  left: 0; top: 10px;
  width: 14px; height: 2px;
  background: var(--black);
}
.dual__belief {
  font-size: clamp(13px, 1.05vw, 16px);
  font-style: italic;
  color: var(--muted);
  margin: 0;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
  line-height: 1.45;
}

/* ===========================================
   08b — REVENUE ENGINE
   =========================================== */
.engine {
  width: 100%;
  margin-top: clamp(16px, 2vw, 24px);
  display: flex;
  flex-direction: column;
  gap: 0;
}
.engine__line {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: clamp(20px, 2.5vw, 36px);
  align-items: flex-start;
  padding: clamp(16px, 2vw, 24px) 0;
  border-top: 1px solid var(--line);
}
.engine__line:last-child { border-bottom: 1px solid var(--line); }
.engine__line--ours {
  background: var(--paper);
  border-radius: 8px;
  padding-left: 20px;
  padding-right: 20px;
  margin-left: -20px;
  margin-right: -20px;
}
.engine__num {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 700;
  color: var(--muted);
  letter-spacing: -0.02em;
}
.engine__l {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 8px;
}
.engine__h {
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin: 0 0 10px;
  line-height: 1.2;
}
.engine__h span {
  font-weight: 400;
  color: var(--muted);
  margin: 0 6px;
}
.engine__d {
  font-size: clamp(13px, 1.1vw, 16px);
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
  max-width: 68ch;
}

/* ===========================================
   06 — PROOF OF CONCEPT
   =========================================== */
.poc {
  width: 100%;
  margin-top: clamp(14px, 1.8vw, 20px);
  display: flex;
  flex-direction: column;
}
.poc__row {
  display: grid;
  grid-template-columns: minmax(150px, 200px) minmax(120px, 160px) 1fr;
  align-items: baseline;
  gap: clamp(14px, 2vw, 28px);
  padding: clamp(10px, 1.2vw, 16px) 0;
  border-top: 1px solid var(--line);
}
.poc__row:last-child { border-bottom: 1px solid var(--line); }
.poc__row--ours {
  background: var(--paper);
  border-radius: 8px;
  padding-left: 16px;
  padding-right: 16px;
  margin-left: -16px;
  margin-right: -16px;
}
.poc__name {
  font-size: clamp(16px, 1.4vw, 20px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
}
.poc__row--ours .poc__name { font-weight: 900; }
.poc__rev {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: clamp(13px, 1.1vw, 16px);
  color: var(--black);
  margin: 0;
  font-weight: 600;
}
.poc__d {
  font-size: clamp(12px, 1vw, 14px);
  color: var(--muted);
  line-height: 1.45;
  margin: 0;
  max-width: 56ch;
}

/* ===========================================
   09 — FORENSIC AUDIT (two-col)
   =========================================== */
.audit {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(16px, 2vw, 28px);
  width: 100%;
  margin-top: clamp(14px, 1.8vw, 22px);
}
.audit__col {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: clamp(20px, 2.2vw, 28px);
}
.audit__col--right { background: var(--black); color: var(--white); border-color: var(--black); }
.audit__col--right .audit__label { color: rgba(255,255,255,0.5); }
.audit__col--right .audit__body { color: rgba(255,255,255,0.75); }
.audit__label {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 12px;
}
.audit__list {
  display: flex; flex-direction: column;
  gap: 8px;
  font-size: clamp(13px, 1.05vw, 15px);
  line-height: 1.45;
}
.audit__list li {
  position: relative;
  padding-left: 18px;
}
.audit__list li::before {
  content: '';
  position: absolute;
  left: 0; top: 9px;
  width: 10px; height: 1px;
  background: var(--black);
}
.audit__body {
  font-size: clamp(13px, 1.05vw, 15px);
  line-height: 1.5;
  margin: 0 0 14px;
}
.audit__big {
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 0.95;
  margin: 4px 0 6px;
}

/* ===========================================
   10 — CUSTOM AI BUILDS (named examples)
   =========================================== */
.custom {
  width: 100%;
  margin-top: clamp(14px, 1.8vw, 22px);
}
.custom__row {
  display: grid;
  grid-template-columns: 1fr 180px 130px;
  align-items: baseline;
  gap: clamp(14px, 2vw, 28px);
  padding: clamp(10px, 1.3vw, 16px) 0;
  border-top: 1px solid var(--line);
}
.custom__row:last-of-type { border-bottom: 1px solid var(--line); }
.custom__row--ours { background: var(--paper); border-radius: 6px; padding-left: 12px; padding-right: 12px; margin-left: -12px; margin-right: -12px; }
.custom__name { font-size: clamp(15px, 1.3vw, 19px); font-weight: 700; letter-spacing: -0.02em; margin: 0; }
.custom__client { font-size: clamp(12px, 1vw, 14px); color: var(--muted); margin: 0; }
.custom__price { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: clamp(13px, 1.1vw, 15px); font-weight: 700; text-align: right; margin: 0; }

/* ===========================================
   14 — GTM-READY (creative gallery)
   =========================================== */
.gtm {
  width: 100%;
  margin: clamp(8px, 1.2vw, 14px) auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(8px, 1vw, 14px);
}
.gtm__tile {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  cursor: zoom-in;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 240ms cubic-bezier(0.2,0.9,0.3,1), box-shadow 240ms ease, border-color 240ms ease;
}
.gtm__tile:hover {
  transform: scale(1.4);
  border-color: var(--black);
  box-shadow: 0 20px 48px rgba(0,0,0,0.25);
  z-index: 5;
  cursor: zoom-out;
}
.gtm__tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (max-width: 900px) {
  .gtm { grid-template-columns: repeat(2, 1fr); }
}

/* ===========================================
   16 — MARKETING STRATEGY (channels + CAC)
   =========================================== */
.mkt {
  width: 100%;
  margin-top: clamp(12px, 1.6vw, 20px);
}
.mkt__row {
  display: grid;
  grid-template-columns: 160px 1fr 170px;
  align-items: baseline;
  gap: clamp(14px, 2vw, 28px);
  padding: clamp(11px, 1.4vw, 16px) 0;
  border-top: 1px solid var(--line);
}
.mkt__row:last-of-type { border-bottom: 1px solid var(--line); }
.mkt__channel {
  font-size: clamp(15px, 1.3vw, 19px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
}
.mkt__detail {
  font-size: clamp(12px, 1.05vw, 15px);
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
}
.mkt__cac {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: clamp(11px, 1vw, 13px);
  font-weight: 700;
  text-align: right;
  margin: 0;
}
@media (max-width: 900px) { .mkt__row { grid-template-columns: 1fr; gap: 4px; } }

/* ===========================================
   18 — POD ECONOMICS
   =========================================== */
.pod {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(14px, 1.8vw, 24px);
  width: 100%;
  margin-top: clamp(12px, 1.6vw, 20px);
}
.pod__col {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: clamp(18px, 2.2vw, 26px);
  display: flex;
  flex-direction: column;
}
.pod__label {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 10px;
}
.pod__label + .pod__label { margin-top: 18px; }
.pod__list {
  display: flex; flex-direction: column; gap: 6px;
  font-size: clamp(13px, 1.05vw, 15px);
  line-height: 1.4;
  margin: 0 0 4px;
}
.pod__list li strong { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 0.9em; margin-right: 8px; }
.pod__math {
  display: flex; flex-direction: column;
  gap: 4px;
  margin-top: 4px;
}
.pod__line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: clamp(13px, 1.05vw, 15px);
  margin: 0;
  padding: 6px 0;
  border-top: 1px solid var(--line);
}
.pod__line span:last-child { font-family: 'JetBrains Mono', ui-monospace, monospace; font-weight: 700; }
.pod__line--total {
  border-top: 2px solid var(--black);
  font-weight: 700;
  padding-top: 8px;
}
.pod__line--total span:last-child { font-size: 1.05em; }
.pod__path {
  display: flex; flex-direction: column;
  gap: 0;
  margin: 0 0 4px;
}
.pod__step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 8px 0;
  border-top: 1px solid var(--line);
  font-size: clamp(13px, 1.05vw, 15px);
}
.pod__step--end { border-bottom: 1px solid var(--line); font-weight: 700; }
.pod__step span {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.08em;
}
.pod__step strong { font-weight: 700; letter-spacing: -0.01em; }
.pod__note {
  font-size: clamp(12px, 1vw, 14px);
  color: var(--muted);
  line-height: 1.55;
  margin: 0;
}
.pod__note strong { color: var(--black); font-weight: 800; }

/* ===========================================
   20 — DEFENSIBILITY & RISKS
   =========================================== */
.moat {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(14px, 1.8vw, 24px);
  width: 100%;
  margin-top: clamp(12px, 1.6vw, 20px);
}
.moat__col {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: clamp(18px, 2.2vw, 26px);
}
.moat__col:last-child { background: var(--white); }
.moat__label {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 14px;
}
.moat__list {
  display: flex; flex-direction: column;
  gap: 10px;
}
.moat__list li {
  position: relative;
  padding-left: 22px;
  font-size: clamp(13px, 1.05vw, 15px);
  line-height: 1.5;
}
.moat__list li::before {
  content: '';
  position: absolute;
  left: 0; top: 10px;
  width: 14px; height: 1px;
  background: var(--black);
}
.moat__list strong { font-weight: 800; }

/* ===========================================
   21 — FOUNDER
   =========================================== */
.founder {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(14px, 1.8vw, 24px);
  width: 100%;
  margin-top: clamp(12px, 1.6vw, 20px);
}
.founder__col {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: clamp(18px, 2.2vw, 26px);
  display: flex;
  flex-direction: column;
}
.founder__col:last-child { background: var(--white); }
.founder__label {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 14px;
}
.founder__list {
  display: flex; flex-direction: column;
  gap: 8px;
  margin: 0 0 16px;
  flex: 1;
}
.founder__list li {
  position: relative;
  padding-left: 20px;
  font-size: clamp(13px, 1.05vw, 15px);
  line-height: 1.5;
}
.founder__list li::before {
  content: '';
  position: absolute;
  left: 0; top: 10px;
  width: 12px; height: 1px;
  background: var(--black);
}
.founder__belief {
  font-size: clamp(13px, 1.05vw, 15px);
  font-style: italic;
  color: var(--muted);
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  line-height: 1.5;
}

/* ===========================================
   17 — VISION (last slide)
   =========================================== */
.vision {
  width: 100%;
  max-width: 720px;
  margin: clamp(16px, 2vw, 28px) auto clamp(20px, 2.5vw, 32px);
  text-align: left;
  display: flex;
  flex-direction: column;
}
.vision__row {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: clamp(16px, 2vw, 28px);
  align-items: baseline;
  padding: clamp(14px, 1.8vw, 22px) 0;
  border-top: 1px solid var(--line);
}
.vision__row--end { border-bottom: 1px solid var(--line); }
.vision__y {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--black);
}
.vision__h {
  font-size: clamp(18px, 1.8vw, 26px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
  line-height: 1.2;
}
.vision__d {
  font-size: clamp(13px, 1.1vw, 16px);
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
  max-width: 60ch;
}

/* ===========================================
   04 — COMPARE
   =========================================== */
.compare {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(14px, 1.6vw, 24px);
  width: 100%;
  margin-top: clamp(16px, 2vw, 28px);
}
.compare__col {
  padding: clamp(22px, 2.5vw, 36px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
}
.compare__col--ours {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}
.compare__col--ours .compare__sub { color: rgba(255,255,255,0.65); }
.compare__col--ours .compare__label { color: rgba(255,255,255,0.5); }
.compare__label {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 16px;
}
.compare__big {
  font-size: clamp(36px, 4.5vw, 64px);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 0.95;
  margin: 0 0 14px;
}
.compare__big--muted { color: rgba(0,0,0,0.32); }
.compare__per {
  font-size: 0.35em;
  font-weight: 500;
  color: rgba(255,255,255,0.65);
  margin-left: 6px;
}
.compare__sub {
  font-size: clamp(13px, 1.1vw, 16px);
  line-height: 1.45;
  color: var(--muted);
  margin: 0;
}

/* Animated strikethrough on visible reveal */
.strike-line {
  position: relative;
  display: inline-block;
}
.strike-line::after {
  content: '';
  position: absolute;
  left: -4px; right: -4px;
  top: 52%;
  height: 4px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 700ms cubic-bezier(0.2, 0.9, 0.3, 1) 320ms;
}
.slide.active .strike-line::after { transform: scaleX(1); }

/* ===========================================
   05 — WHY NOW
   =========================================== */
.now {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 2.5vw, 36px);
  width: 100%;
  margin-top: clamp(16px, 2vw, 24px);
}
.now__col {
  padding: clamp(20px, 2.2vw, 32px) 0;
  border-top: 2px solid var(--black);
}
.now__stat {
  font-size: clamp(40px, 5.5vw, 80px);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 0.95;
  margin: 0 0 14px;
}
.now__label {
  font-size: clamp(13px, 1.1vw, 16px);
  line-height: 1.45;
  color: var(--muted);
  margin: 0;
  max-width: 28ch;
}

/* ===========================================
   06 — SOLUTION PILLARS
   =========================================== */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(14px, 1.8vw, 28px);
  width: 100%;
  max-width: 900px;
  margin-top: clamp(24px, 3vw, 40px);
}
.pillar {
  text-align: center;
  padding: clamp(20px, 2.4vw, 32px);
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--paper);
}
.pillar__n {
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  margin: 0 0 12px;
}
.pillar__l {
  font-size: clamp(12px, 1vw, 14px);
  color: var(--muted);
  margin: 0;
  letter-spacing: -0.005em;
}

/* ===========================================
   07 — STEPS
   =========================================== */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  width: 100%;
  margin-top: clamp(18px, 2.2vw, 28px);
}
.step {
  background: var(--white);
  padding: clamp(20px, 2.4vw, 32px);
  transition: background 220ms ease;
}
.step:hover { background: var(--paper); }
.step__n {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  color: var(--muted);
  display: block;
  margin-bottom: 18px;
}
.step h3 {
  font-size: clamp(15px, 1.3vw, 19px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
  line-height: 1.2;
}
.step p {
  font-size: clamp(12px, 1vw, 14px);
  line-height: 1.5;
  color: #333;
  margin: 0;
}

/* ===========================================
   08 — TIERS
   =========================================== */
.tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(14px, 1.8vw, 24px);
  width: 100%;
  margin-top: clamp(14px, 2vw, 24px);
  align-items: stretch;
}
.tier {
  position: relative;
  padding: clamp(24px, 2.6vw, 36px) clamp(20px, 2.2vw, 28px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
}
.tier--featured {
  border: 2px solid var(--black);
  background: var(--white);
  box-shadow: 8px 8px 0 var(--black);
}
.tier__badge {
  position: absolute;
  top: -12px;
  left: 22px;
  background: var(--black);
  color: var(--white);
  padding: 4px 12px;
  border-radius: 999px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  font-weight: 600;
}
.tier__name {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
  margin: 0 0 16px;
}
.tier__strike {
  font-size: clamp(14px, 1.15vw, 17px);
  color: var(--muted);
  margin: 0 0 4px;
  font-weight: 600;
  min-height: 22px;
}
.tier__price {
  font-size: clamp(48px, 5.5vw, 76px);
  font-weight: 900;
  letter-spacing: -0.06em;
  line-height: 0.95;
  margin: 0 0 20px;
}
.tier__price span {
  display: inline-block;
  font-size: clamp(10px, 0.85vw, 12px);
  color: var(--muted);
  font-weight: 500;
  letter-spacing: 0;
  margin-left: 8px;
  vertical-align: middle;
}
.tier__price--custom {
  font-size: clamp(40px, 4.5vw, 64px);
  font-weight: 900;
  letter-spacing: -0.04em;
}
.tier__list {
  border-top: 1px solid var(--line);
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  flex: 1;
}
.tier__list li {
  font-size: clamp(12px, 1vw, 14px);
  position: relative;
  padding-left: 20px;
  line-height: 1.4;
}
.tier__list li::before {
  content: '';
  position: absolute;
  left: 0; top: 9px;
  width: 12px; height: 1px;
  background: var(--black);
}

/* ===========================================
   09 — MARKET
   =========================================== */
.market {
  width: 100%;
  margin-top: clamp(16px, 2vw, 28px);
}
.market__row {
  display: grid;
  grid-template-columns: 70px minmax(140px, 200px) minmax(140px, 200px) 1fr;
  gap: clamp(14px, 2.5vw, 32px);
  align-items: baseline;
  padding: clamp(16px, 2.2vw, 28px) 0;
  border-top: 1px solid var(--line);
}
.market__row:last-child { border-bottom: 1px solid var(--line); }
.market__row--ours {
  background: var(--paper);
  padding-left: 20px;
  padding-right: 20px;
  margin-left: -20px;
  margin-right: -20px;
  border-radius: 8px;
}
.market__label {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin: 0;
}
.market__n {
  font-size: clamp(32px, 4.2vw, 60px);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1;
  margin: 0;
  font-variant-numeric: tabular-nums;
}
.market__unit {
  font-size: clamp(13px, 1.1vw, 16px);
  color: var(--muted);
  margin: 0;
}
.market__desc {
  font-size: clamp(13px, 1.1vw, 16px);
  color: #333;
  line-height: 1.45;
  margin: 0;
  max-width: 46ch;
}

/* ===========================================
   10 — COMPETITION TABLE
   =========================================== */
.table-wrap {
  width: 100%;
  margin-top: clamp(18px, 2.2vw, 28px);
  overflow-x: auto;
}
.cmp {
  font-size: clamp(13px, 1.1vw, 15px);
  text-align: left;
  min-width: 720px;
}
.cmp th {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  padding: 12px 18px 12px 0;
  border-bottom: 2px solid var(--black);
}
.cmp td {
  padding: 16px 18px 16px 0;
  border-bottom: 1px solid var(--line);
  font-weight: 500;
}
.cmp tbody tr td:first-child { font-weight: 700; }
.cmp tbody tr:hover { background: var(--paper); }
.cmp__row--ours td { background: var(--black); color: var(--white); border-bottom-color: var(--black); }
.cmp__row--ours td:first-child { padding-left: 14px; border-radius: 8px 0 0 8px; }
.cmp__row--ours td:last-child { padding-right: 14px; border-radius: 0 8px 8px 0; }
.cmp em { font-style: normal; color: var(--muted); font-weight: 500; }

/* ===========================================
   11 — WEDGE
   =========================================== */
.wedge {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(14px, 1.8vw, 24px);
  width: 100%;
  max-width: 920px;
  margin-top: clamp(24px, 3vw, 40px);
  text-align: left;
}
.wedge__item {
  padding: clamp(22px, 2.4vw, 32px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
}
.wedge__n {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 14px;
  letter-spacing: 0.12em;
}
.wedge__t {
  font-size: clamp(18px, 1.6vw, 24px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
  line-height: 1.2;
}
.wedge__d {
  font-size: clamp(12px, 1vw, 14px);
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
}

/* ===========================================
   12 — UNIT ECONOMICS
   =========================================== */
.ue {
  width: 100%;
  margin-top: clamp(14px, 2vw, 22px);
}
.ue__row {
  display: grid;
  grid-template-columns: minmax(160px, 220px) minmax(120px, 200px) 1fr;
  align-items: baseline;
  gap: clamp(14px, 2vw, 28px);
  padding: clamp(13px, 1.5vw, 18px) 0;
  border-top: 1px solid var(--line);
}
.ue__row:last-of-type { border-bottom: 1px solid var(--line); }
.ue__l {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}
.ue__v {
  font-size: clamp(24px, 2.2vw, 34px);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0;
  font-variant-numeric: tabular-nums;
}
.ue__v span {
  font-size: clamp(11px, 0.9vw, 13px);
  font-weight: 500;
  color: var(--muted);
  margin-left: 6px;
  letter-spacing: 0;
}
.ue__n {
  font-size: clamp(12px, 1vw, 14px);
  color: var(--muted);
  margin: 0;
  line-height: 1.45;
}
.ue__ltv {
  margin: clamp(20px, 2.5vw, 32px) 0 0;
  font-size: clamp(16px, 1.4vw, 21px);
  text-align: center;
  width: 100%;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  letter-spacing: 0.06em;
}
.ue__ltv strong { font-family: 'Inter', sans-serif; font-weight: 800; }

/* ===========================================
   13 — INTERACTIVE MODEL
   =========================================== */
.model {
  width: 100%;
  margin-top: clamp(14px, 2vw, 20px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2vw, 24px);
}
.model__controls {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: clamp(20px, 2.4vw, 28px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(14px, 1.8vw, 22px);
  align-items: start;
}
.presets {
  grid-column: 1 / -1;
  display: inline-flex;
  gap: 6px;
  padding: 4px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  justify-self: start;
}
.preset {
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--muted);
  transition: background 200ms ease, color 200ms ease;
}
.preset:hover { color: var(--black); }
.preset.is-active {
  background: var(--black);
  color: var(--white);
}
.ctrl {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.ctrl label {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}
.ctrl__val {
  color: var(--black);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0;
  font-family: 'Inter', sans-serif;
}
.ctrl input[type="range"] {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--line);
  border-radius: 999px;
  outline: none;
}
.ctrl input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px; height: 18px;
  background: var(--black);
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid var(--white);
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
.ctrl input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px;
  background: var(--black);
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid var(--white);
}

.model__outputs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(10px, 1.5vw, 18px);
  background: var(--black);
  color: var(--white);
  padding: clamp(18px, 2.2vw, 28px);
  border-radius: 16px;
}
.kpi { display: flex; flex-direction: column; gap: 6px; }
.kpi__l {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin: 0;
}
.kpi__v {
  font-size: clamp(24px, 2.6vw, 36px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  margin: 0;
  font-variant-numeric: tabular-nums;
  transition: opacity 240ms ease;
}

.chart {
  width: 100%;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: clamp(16px, 2vw, 24px);
}
.chart svg {
  width: 100%;
  height: clamp(140px, 18vw, 180px);
}
.chart__axis {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  margin-top: 8px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-align: center;
}

/* ===========================================
   14 — MILESTONES
   =========================================== */
.milestones {
  display: flex;
  flex-direction: column;
  width: 100%;
  margin-top: clamp(14px, 2vw, 22px);
  gap: 0;
}
.ms {
  display: grid;
  grid-template-columns: 100px minmax(220px, 320px) 1fr;
  gap: clamp(14px, 2.5vw, 32px);
  align-items: baseline;
  padding: clamp(14px, 1.8vw, 22px) 0;
  border-top: 1px solid var(--line);
}
.ms--end { border-bottom: 1px solid var(--line); }
.ms__t {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.ms__h {
  font-size: clamp(18px, 1.6vw, 24px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
}
.ms__d {
  font-size: clamp(13px, 1.1vw, 16px);
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
  max-width: 52ch;
}

/* ===========================================
   15 — THE ASK
   =========================================== */
.ask {
  width: 100%;
  max-width: 680px;
  margin: clamp(16px, 2vw, 28px) 0 0;
}
.ask__row, .ask__total {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  padding: clamp(12px, 1.4vw, 16px) 0;
  border-top: 1px solid var(--line);
}
.ask__total {
  border-top: 2px solid var(--black);
  border-bottom: 2px solid var(--black);
  margin-top: 6px;
}
.ask__row .ask__l, .ask__total .ask__l {
  font-size: clamp(14px, 1.2vw, 17px);
  color: #2a2a2a;
  margin: 0;
}
.ask__total .ask__l { font-weight: 800; color: var(--black); }
.ask__v {
  font-size: clamp(16px, 1.5vw, 22px);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  margin: 0;
}
.ask__total .ask__v {
  font-size: clamp(24px, 2.4vw, 34px);
}
.ask__close {
  margin: clamp(20px, 2.2vw, 30px) 0 clamp(18px, 2vw, 24px);
  font-size: clamp(14px, 1.2vw, 17px);
  color: var(--muted);
  max-width: 56ch;
  text-align: center;
  line-height: 1.5;
}
.ask__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  background: var(--black);
  color: var(--white);
  font-weight: 700;
  border-radius: 999px;
  font-size: 15px;
  letter-spacing: -0.01em;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 200ms ease;
}
.ask__cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.18); }

/* ===========================================
   BOTTOM UI: PROGRESS + COUNTER + HINT
   =========================================== */
.ui-bottom {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: var(--ui-h);
  z-index: 25;
  padding: 0 var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-top: 1px solid var(--line);
  pointer-events: none;
}
.progress {
  flex: 1;
  height: 2px;
  background: var(--line);
  border-radius: 999px;
  overflow: hidden;
  max-width: 60%;
}
.progress__bar {
  height: 100%;
  background: var(--black);
  width: 0%;
  transition: width 480ms cubic-bezier(0.16, 1, 0.3, 1);
}
.counter {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  min-width: 60px;
  text-align: right;
}
.hint-toggle {
  pointer-events: auto;
  width: 30px; height: 30px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 14px;
  color: var(--muted);
  background: var(--white);
  transition: color 160ms ease, border-color 160ms ease;
}
.hint-toggle:hover { color: var(--black); border-color: var(--black); }

/* ===========================================
   HINT OVERLAY
   =========================================== */
.hint-overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: hintFadeIn 220ms ease;
}
.hint-overlay[hidden] { display: none; }
@keyframes hintFadeIn { from { opacity: 0; } to { opacity: 1; } }
.hint-overlay__inner {
  text-align: left;
  padding: 40px;
}
.hint-overlay__title {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 20px;
}
.hint {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px 32px;
  margin: 0 0 28px;
}
.hint dt {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 14px;
  color: var(--black);
  font-weight: 600;
}
.hint dd {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}
.hint-overlay__close {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}
.hint-overlay__close kbd {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  background: var(--paper);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  border: 1px solid var(--line);
}

/* ===========================================
   RESPONSIVE — mobile / narrow
   =========================================== */
@media (max-width: 900px) {
  :root { --pad: 20px; }
  .compare, .now, .pillars, .tiers, .wedge, .dual {
    grid-template-columns: 1fr;
  }
  .engine__line { grid-template-columns: 1fr; gap: 8px; }
  .engine__num { font-size: 18px; }
  .poc__row { grid-template-columns: 1fr; gap: 6px; }
  .vision__row { grid-template-columns: 1fr; gap: 8px; }
  .audit, .moat, .founder, .pod { grid-template-columns: 1fr; }
  .custom__row, .gtmd__row { grid-template-columns: 1fr; gap: 6px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .model__controls { grid-template-columns: 1fr; }
  .model__outputs { grid-template-columns: 1fr 1fr; }
  .market__row { grid-template-columns: 60px 1fr; gap: 12px; }
  .market__row .market__unit, .market__row .market__desc { grid-column: 2; }
  .ue__row { grid-template-columns: 1fr; gap: 6px; }
  .ms { grid-template-columns: 1fr; gap: 6px; }
  .cover__title { font-size: clamp(44px, 12vw, 80px); }
  .frame__title { font-size: clamp(30px, 8vw, 56px); }
  .slide__title { font-size: clamp(28px, 7.5vw, 48px); }
  .cover__footer { flex-direction: column; gap: 8px; }
}

@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  .model__outputs { grid-template-columns: 1fr; }
  .meta__pill { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}