:root {
  --black: #040404;
  --white: #ffffff;
  --paper: #f2f2f2;
  --line: 2px;
  --accent: #d8ff63;
  --deck-index: 0;
}

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

html,
body {
  width: 100%;
  height: 100%;
}

body {
  overflow: hidden;
  background: radial-gradient(circle at 10% 10%, #1c1c1c 0%, #050505 55%);
  color: var(--black);
  font-family: "Work Sans", "Arial", sans-serif;
}

body.is-mobile-block {
  overflow: hidden;
}

.mobile-block {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at top, #f0f0ef 0%, #d9d4c9 55%, #c9c1b4 100%);
  padding: clamp(20px, 6vw, 48px);
  z-index: 30;
  text-align: left;
}

.mobile-block-card {
  max-width: 540px;
  width: 100%;
  border: var(--line) solid var(--black);
  background: #fffef8;
  padding: clamp(20px, 6vw, 40px);
  border-radius: 18px;
  box-shadow: 0 18px 50px rgba(18, 18, 18, 0.18);
}

.mobile-block-eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin: 0 0 14px;
}

.mobile-block-title {
  font-family: "Bebas Neue", Impact, sans-serif;
  font-size: clamp(2.4rem, 10vw, 3.8rem);
  line-height: 0.95;
  margin: 0 0 12px;
}

.mobile-block-text {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.4;
  max-width: 30ch;
}

body.is-mobile-block .deck-wrapper,
body.is-mobile-block .hud {
  display: none;
}

body.is-mobile-block .mobile-block {
  display: flex;
}

.deck-wrapper {
  width: 100%;
  height: 100dvh;
  border: 10px solid var(--black);
  background: linear-gradient(180deg, #101010 0%, #050505 100%);
}

.deck {
  width: 100%;
  height: 100%;
  transform: translate3d(0, calc(var(--deck-index) * -100dvh), 0);
  transition: transform 720ms cubic-bezier(0.2, 0.82, 0.2, 1);
}

.slide {
  width: 100%;
  height: 100dvh;
  padding: clamp(18px, 2vw, 32px);
  position: relative;
  background: linear-gradient(145deg, #0d0d0d 0%, #050505 100%);
}

.slide::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.04) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 42px 42px;
  opacity: 0.22;
}

.slide-hero::after,
.slide-end::after,
.slide-flare::after {
  content: "";
  position: absolute;
  inset: auto 0 0 auto;
  width: min(40vw, 420px);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: radial-gradient(
    circle at 30% 30%,
    rgba(216, 255, 99, 0.24) 0%,
    rgba(216, 255, 99, 0) 68%
  );
  pointer-events: none;
}

.frame {
  width: min(1240px, 100%);
  height: 100%;
  margin: 0 auto;
  background: var(--white);
  border: var(--line) solid var(--black);
  box-shadow: 0 0 0 10px var(--black);
  padding: clamp(16px, 2.1vw, 32px);
  display: grid;
  gap: clamp(12px, 1.5vw, 20px);
}

.meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: var(--line) solid var(--black);
  font-size: clamp(12px, 1vw, 14px);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.meta-row p {
  text-align: center;
}

.meta-right {
  text-align: right !important;
}

.hero-title {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.hero-title h1 {
  font-family: "Bebas Neue", Impact, sans-serif;
  font-size: clamp(5.4rem, 15vw, 14rem);
  line-height: 0.8;
  letter-spacing: 0.01em;
}

.hero-title .mirror {
  transform: scaleY(-1) skewX(12deg);
  opacity: 0.32;
  margin-top: -8px;
}

.grid-2 {
  grid-template-columns: 1fr 1fr;
}

.grid-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

.grid-warning {
  grid-template-columns: 80px 1fr;
}

.intro-grid {
  grid-template-columns: minmax(280px, 0.9fr) 1.1fr;
  align-items: stretch;
}

.card {
  border: var(--line) solid var(--black);
  padding: clamp(16px, 1.8vw, 26px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  justify-content: space-between;
  transition: transform 260ms ease, background-color 180ms ease,
    color 180ms ease;
  background: var(--paper);
}

.card:hover {
  transform: translateY(-4px);
}

.card-dark {
  background: var(--black);
  color: var(--white);
}

.card-center {
  justify-content: center;
  align-items: center;
  text-align: center;
}

.intro-photo-wrap {
  min-height: 0;
}

.intro-card {
  gap: 18px;
}

.card-wide {
  height: 100%;
}

.section-id {
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(12px, 1vw, 15px);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.card h2,
.card h3 {
  font-family: "Bebas Neue", Impact, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 0.86;
}

.card h2 {
  font-size: clamp(2.2rem, 6vw, 5.4rem);
}

.card h3 {
  font-size: clamp(1.3rem, 4vw, 2.8rem);
}

.lead {
  font-size: clamp(1.05rem, 2vw, 1.55rem);
  max-width: 720px;
}

.metric-list {
  display: grid;
  gap: 12px;
}

.metric-list p {
  line-height: 1.35;
}

.slide-context .metric-list p {
  font-size: clamp(1.05rem, 2vw, 1.55rem);
  line-height: 1.25;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.metric-grid > div {
  border: var(--line) solid currentColor;
  padding: 14px;
  background: rgba(0, 0, 0, 0.03);
}

.metric-grid-2 {
  grid-template-columns: 1fr 1fr;
}

.metric-value {
  font-family: "Bebas Neue", Impact, sans-serif;
  font-size: clamp(2.4rem, 6vw, 5.2rem);
  line-height: 0.85;
}

.slide-mlr .card {
  font-family: "Work Sans", "Arial", sans-serif;
}

.slide-mlr .card-dark {
  font-family: "Work Sans", "Arial", sans-serif;
  font-size: 1em;
}

.bullet-list {
  display: grid;
  gap: 10px;
  list-style: none;
}

.bullet-list li {
  position: relative;
  padding-left: 20px;
  line-height: 1.3;
}

.bullet-list li::before {
  content: "■";
  position: absolute;
  left: 0;
  top: 0;
  font-size: 0.8em;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.timeline > div {
  border: var(--line) solid currentColor;
  padding: 14px;
}

.timeline-step {
  font-family: "Bebas Neue", Impact, sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 0.9;
}

.roadmap-card {
  gap: 16px;
}

.slide-choice .frame {
  padding: clamp(14px, 1.5vw, 22px);
}

.choice-card {
  gap: 12px;
  padding: clamp(14px, 1.6vw, 24px);
}

.choice-card h2 {
  font-size: clamp(2.1rem, 4.6vw, 4.4rem);
  line-height: 0.84;
}

.choice-image {
  border: var(--line) solid var(--black);
  background: #1a1a1a;
  border-radius: 12px;
  overflow: hidden;
}

.choice-image img {
  display: block;
  width: 100%;
  height: clamp(340px, 52vh, 600px);
  object-fit: cover;
}

.choice-message {
  font-size: clamp(1rem, 1.8vw, 1.5rem);
  font-weight: 600;
  line-height: 1.25;
}

.slide-meme .frame {
  padding: clamp(12px, 1.2vw, 18px);
}

.meme-card {
  gap: 10px;
  padding: clamp(10px, 1.15vw, 16px);
  justify-content: flex-start;
}

.meme-card h2 {
  font-size: clamp(2rem, 4.2vw, 3.6rem);
  line-height: 0.86;
}

.meme-image {
  border: var(--line) solid var(--black);
  background: #111;
  border-radius: 10px;
  overflow: hidden;
}

.meme-image img {
  display: block;
  width: 100%;
  height: clamp(420px, 66vh, 760px);
  object-fit: contain;
}

.slide-evolution .frame {
  padding: clamp(12px, 1.2vw, 18px);
}

.evolution-card {
  gap: 8px;
  padding: clamp(10px, 1.1vw, 16px);
  justify-content: flex-start;
}

.evolution-card h2 {
  font-size: clamp(1.9rem, 3.7vw, 3.4rem);
  line-height: 0.86;
  margin-top: 8px;
}

.evo-chart {
  position: relative;
  height: clamp(420px, 62vh, 620px);
  border: var(--line) solid var(--black);
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.03) 0%, rgba(0, 0, 0, 0.08) 100%),
    var(--paper);
  overflow: hidden;
  color: var(--black);
}

.evo-y-axis {
  position: absolute;
  left: 16px;
  bottom: 46px;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(0.76rem, 0.9vw, 0.95rem);
  letter-spacing: 0.03em;
  color: var(--black);
  z-index: 4;
}

.evo-x-axis {
  position: absolute;
  left: 80px;
  right: 26px;
  bottom: 10px;
  text-align: center;
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(0.78rem, 0.95vw, 0.98rem);
  letter-spacing: 0.03em;
  color: var(--black);
  z-index: 4;
}

.evo-solid-line,
.evo-dash-line {
  position: absolute;
  left: 80px;
  right: 30px;
  transform-origin: left center;
  z-index: 2;
}

.evo-solid-line {
  top: 67%;
  border-top: 2px solid rgba(0, 0, 0, 0.5);
  transform: rotate(-14deg);
}

.evo-dash-line {
  top: 81%;
  border-top: 2px dashed rgba(0, 0, 0, 0.35);
  transform: rotate(-14deg);
}

.evo-fill-curve {
  position: absolute;
  left: 82px;
  right: 30px;
  bottom: 40px;
  height: 50%;
  background: rgba(0, 0, 0, 0.92);
  clip-path: polygon(
    0% 88%,
    18% 86%,
    36% 84%,
    52% 82%,
    62% 80%,
    71% 72%,
    79% 54%,
    85% 31%,
    92% 14%,
    100% 5%,
    100% 100%,
    0% 100%
  );
  border-top: 2px solid rgba(0, 0, 0, 0.7);
  z-index: 1;
}

.evo-step {
  position: absolute;
  z-index: 3;
}

.evo-dot {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--black);
  left: 50%;
  transform: translateX(-50%);
  bottom: -6px;
}

.evo-pill {
  border: var(--line) solid var(--black);
  background: var(--white);
  padding: 6px 10px;
  font-family: "Bebas Neue", Impact, sans-serif;
  font-size: clamp(0.95rem, 1.35vw, 1.45rem);
  line-height: 0.95;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.evo-step-1 {
  left: 18%;
  bottom: 39%;
}

.evo-step-2 {
  left: 34%;
  bottom: 48%;
}

.evo-step-3 {
  left: 50%;
  bottom: 57%;
}

.evo-step-4 {
  left: 66%;
  bottom: 66%;
}

.evo-step-5 {
  left: 82%;
  bottom: 75%;
}

.evo-gap {
  position: absolute;
  left: 49%;
  bottom: 20%;
  display: grid;
  gap: 6px;
  justify-items: center;
  z-index: 5;
}

.evo-gap-label {
  border: var(--line) solid var(--black);
  background: var(--white);
  padding: 4px 8px;
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(0.68rem, 0.82vw, 0.86rem);
}

.evo-gap-arrow {
  width: 0;
  height: 60px;
  border-left: 2px solid var(--black);
  position: relative;
}

.evo-gap-arrow::before,
.evo-gap-arrow::after {
  content: "";
  position: absolute;
  left: -5px;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
}

.evo-gap-arrow::before {
  top: -1px;
  border-bottom: 8px solid var(--black);
}

.evo-gap-arrow::after {
  bottom: -1px;
  border-top: 8px solid var(--black);
}

.slide-figure2 .frame {
  padding: clamp(14px, 1.5vw, 22px);
}

.figure2-card {
  gap: 10px;
  padding: clamp(14px, 1.6vw, 24px);
}

.figure2-card h2 {
  font-size: clamp(1.8rem, 3.9vw, 3.4rem);
  line-height: 0.88;
}

.figure2-image {
  border: var(--line) solid var(--black);
  background: #f7f7f7;
  overflow: hidden;
}

.figure2-image img {
  display: block;
  width: 100%;
  height: clamp(300px, 44vh, 480px);
  object-fit: contain;
}

.slide-scale .frame {
  padding: clamp(10px, 1.15vw, 16px);
}

.scale-sheet {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 0;
  padding: 0;
  justify-content: stretch;
  overflow: hidden;
  background: var(--white);
}

.slide-scale .scale-sheet h2,
.slide-scale .scale-sheet h3,
.slide-scale .scale-sheet h4,
.slide-scale .scale-sheet p,
.slide-scale .scale-sheet span {
  margin: 0;
}

.scale-sheet:hover {
  transform: none;
}

.scale-header {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: var(--line) solid var(--black);
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(0.72rem, 0.9vw, 0.9rem);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.scale-header-center,
.scale-header-right {
  white-space: nowrap;
}

.scale-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.35fr) minmax(0, 0.65fr);
  min-height: 0;
  height: 100%;
}

.scale-left-col {
  border-right: var(--line) solid var(--black);
  padding: 14px 12px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 10px;
}

.scale-left-top {
  display: grid;
  gap: 12px;
}

.scale-left-mid {
  display: grid;
  align-content: space-evenly;
  gap: 12px;
}

.scale-left-bottom {
  display: flex;
  align-items: flex-end;
}

.scale-mono {
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(0.7rem, 0.88vw, 0.88rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.scale-left-col h2 {
  font-size: clamp(2rem, 4.2vw, 4.2rem);
  line-height: 0.86;
  margin-top: 10px;
}

.scale-progress-wrap {
  display: grid;
  gap: 6px;
}

.scale-progress {
  border: var(--line) solid var(--black);
  display: flex;
  min-height: 48px;
}

.scale-progress-20,
.scale-progress-80 {
  display: flex;
  align-items: center;
  font-family: "Bebas Neue", Impact, sans-serif;
  font-size: clamp(1rem, 1.6vw, 1.45rem);
  line-height: 0.9;
  white-space: nowrap;
}

.scale-progress-20 {
  width: 20%;
  background: var(--black);
  color: var(--white);
  justify-content: center;
  border-right: var(--line) solid var(--white);
}

.scale-progress-80 {
  width: 80%;
  background: repeating-linear-gradient(
    45deg,
    #ffffff 0,
    #ffffff 10px,
    #ececec 10px,
    #ececec 20px
  );
  color: var(--black);
  padding-left: 10px;
  overflow: hidden;
}

.scale-progress-foot {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(0.62rem, 0.78vw, 0.78rem);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.scale-progress-foot span:last-child {
  text-align: right;
}

.scale-challenge {
  border-left: 4px solid var(--black);
  padding-left: 8px;
  font-size: clamp(0.8rem, 0.95vw, 0.96rem);
  line-height: 1.15;
  max-width: 360px;
  margin-top: 4px;
}

.scale-priority-pill {
  width: fit-content;
  border: var(--line) solid var(--black);
  border-radius: 999px;
  background: var(--black);
  color: var(--white);
  padding: 5px 10px;
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(0.66rem, 0.8vw, 0.8rem);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.scale-right-col {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 0;
}

.scale-right-col::before {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 12px;
  padding: 2px;
  background: linear-gradient(
    120deg,
    #47e6ff 0%,
    #7dffb3 25%,
    #fff08a 50%,
    #ff8ad8 75%,
    #47e6ff 100%
  );
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.9;
}

.scale-right-head {
  border-bottom: var(--line) solid var(--black);
  padding: 14px 12px 16px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.scale-right-head h3 {
  font-size: clamp(1.7rem, 3vw, 2.8rem);
  line-height: 0.86;
  margin-top: 18px;
}

.scale-illustration {
  width: clamp(62px, 7vw, 88px);
  height: clamp(62px, 7vw, 88px);
  border-radius: 50%;
  border: var(--line) solid var(--black);
  background:
    radial-gradient(circle at 30% 30%, #ffffff 0%, #ededed 55%, #dcdcdc 100%);
  display: grid;
  place-items: center;
}

.scale-illustration-core {
  width: 62%;
  height: 62%;
  border-radius: 50%;
  border: var(--line) solid var(--black);
  display: grid;
  place-items: center;
  font-family: "Bebas Neue", Impact, sans-serif;
  font-size: clamp(1rem, 1.35vw, 1.3rem);
  line-height: 1;
}

.scale-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  min-height: 0;
}

.scale-use-card {
  border-right: var(--line) solid var(--black);
  border-bottom: var(--line) solid var(--black);
  padding: 12px 10px 10px;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 10px;
  background: var(--white);
  min-height: 0;
}

.scale-use-top {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: flex-start;
  margin-bottom: 2px;
}

.scale-use-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(0.64rem, 0.78vw, 0.78rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.scale-icon-box {
  width: 30px;
  height: 30px;
  border: var(--line) solid var(--black);
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.scale-icon {
  width: 16px;
  height: 16px;
  stroke: var(--black);
  fill: none;
  stroke-width: 2;
}

.scale-use-card h4 {
  font-size: clamp(0.95rem, 1.25vw, 1.25rem);
  line-height: 0.95;
}

.scale-card-metric {
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(0.62rem, 0.76vw, 0.8rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.scale-use-card p {
  font-size: clamp(0.76rem, 0.92vw, 0.9rem);
  line-height: 1.12;
}

.scale-use-body {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  align-content: stretch;
  gap: 8px;
  min-height: 0;
}

.slide-xshot .frame {
  padding: clamp(10px, 1.1vw, 16px);
}

.split-layout {
  grid-template-columns: minmax(280px, 0.85fr) minmax(0, 1.55fr);
  gap: 12px;
}

.xshot-layout {
  grid-template-columns: minmax(260px, 0.76fr) minmax(0, 1.68fr);
}

.figure2-layout {
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.65fr);
}

.split-text {
  gap: 10px;
}

.split-text h2 {
  font-size: clamp(1.9rem, 4.2vw, 3.8rem);
  line-height: 0.86;
}

.slide-xshot .split-text {
  padding: clamp(10px, 1.1vw, 14px);
  gap: 7px;
}

.slide-xshot .split-text h2 {
  font-size: clamp(2rem, 4.2vw, 3.6rem);
  line-height: 0.9;
}

.slide-xshot .split-text .lead {
  font-size: clamp(0.84rem, 1vw, 1rem);
  line-height: 1.2;
}

.split-visual {
  padding: clamp(10px, 1.2vw, 16px);
  justify-content: center;
}

.split-image {
  border: var(--line) solid var(--black);
  overflow: hidden;
  border-radius: 8px;
  width: 100%;
}

.xshot-image {
  background: #0f0f12;
}

.xshot-image img {
  display: block;
  width: 100%;
  height: clamp(330px, 60vh, 700px);
  object-fit: contain;
}

.xshot-highlights {
  display: grid;
  gap: 6px;
}

.xshot-highlight {
  background: var(--black);
  color: var(--white);
  border: var(--line) solid var(--black);
  padding: 8px 10px;
  font-family: "Bebas Neue", Impact, sans-serif;
  font-size: clamp(1rem, 1.55vw, 1.5rem);
  line-height: 0.95;
  letter-spacing: 0.01em;
}

.split-list li {
  border: var(--line) solid currentColor;
  padding: 6px 8px 6px 24px;
}

.xshot-list li {
  font-size: clamp(0.74rem, 0.84vw, 0.88rem);
  line-height: 1.15;
}

.media-slider {
  width: 100%;
  display: grid;
  gap: 8px;
}

.media-stage {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  align-items: stretch;
}

.media-viewport {
  overflow: hidden;
  border: var(--line) solid var(--black);
  border-radius: 8px;
  background: #0f0f12;
}

.media-track {
  display: flex;
  width: 100%;
  transform: translate3d(0, 0, 0);
  transition: transform 360ms ease;
}

.media-slide {
  display: block;
  position: relative;
  min-width: 100%;
  flex: 0 0 100%;
  border: none;
  border-radius: 0;
  margin: 0;
}

.media-slide.is-active {
  display: block;
}

.media-arrow {
  display: none;
}

.media-arrow:active {
  transform: translateY(1px);
}

.media-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.media-btn {
  border: var(--line) solid var(--black);
  background: var(--white);
  color: var(--black);
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(0.72rem, 0.88vw, 0.9rem);
  padding: 6px 8px;
  cursor: pointer;
}

.media-btn.is-active {
  background: var(--black);
  color: var(--white);
}

.growth-focus {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.focus-label {
  position: absolute;
  top: 7%;
  right: 10%;
  background: var(--black);
  color: var(--white);
  padding: 5px 8px;
  border: 1px solid var(--white);
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(0.66rem, 0.82vw, 0.86rem);
  white-space: nowrap;
}

.focus-arrow {
  position: absolute;
  top: 27%;
  right: 6%;
  width: 24%;
  height: 0;
  border-top: 4px solid #d8ff63;
  transform: rotate(20deg);
  transform-origin: right center;
}

.focus-arrow::after {
  content: "";
  position: absolute;
  left: -10px;
  top: -7px;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
  border-right: 12px solid #d8ff63;
}

.figure2-image {
  background: #f7f7f7;
}

.figure2-image img {
  display: block;
  width: 100%;
  height: clamp(460px, 74vh, 900px);
  object-fit: contain;
}

.slide-roadmap .frame {
  padding: clamp(12px, 1.3vw, 18px);
}

.slide-roadmap .roadmap-card {
  padding: clamp(12px, 1.3vw, 18px);
  gap: 10px;
}

.slide-roadmap .roadmap-card h2 {
  font-size: clamp(2.1rem, 4.4vw, 4rem);
  line-height: 0.82;
}

.value-timeline {
  display: grid;
  gap: 10px;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.85rem;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.legend-item i {
  width: 18px;
  height: 3px;
  display: block;
}

.legend-value i {
  background: var(--black);
}

.legend-activity i {
  background: #767676;
  border-top: 1px dashed #767676;
}

.chart-stage {
  border: var(--line) solid currentColor;
  padding: 10px;
  background: rgba(0, 0, 0, 0.03);
  display: grid;
  gap: 8px;
}

.chart-stage svg {
  width: 100%;
  height: clamp(200px, 30vh, 260px);
  display: block;
}

.slide-roadmap .chart-stage svg {
  height: clamp(145px, 22vh, 200px);
}

.grid-line {
  stroke: rgba(0, 0, 0, 0.2);
  stroke-width: 1;
}

.axis-line {
  stroke: rgba(0, 0, 0, 0.8);
  stroke-width: 2;
}

.value-line {
  fill: none;
  stroke: var(--black);
  stroke-width: 5;
}

.activity-line {
  fill: none;
  stroke: #7a7a7a;
  stroke-width: 4;
  stroke-dasharray: 10 8;
}

.value-point {
  fill: var(--black);
}

.activity-point {
  fill: #7a7a7a;
}

.x-labels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.x-labels > div {
  border: var(--line) solid currentColor;
  padding: 8px;
  text-align: center;
  background: var(--white);
}

.slide-roadmap .x-labels > div {
  padding: 6px;
}

.x-labels p:last-child {
  line-height: 1.2;
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(0.72rem, 1.3vw, 0.95rem);
}

.x-labels .timeline-step {
  font-size: clamp(1.5rem, 2.6vw, 2.2rem);
}

.slide-roadmap .x-labels .timeline-step {
  font-size: clamp(1.2rem, 2vw, 1.8rem);
}

.year-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.year-strip > div {
  border: var(--line) solid currentColor;
  padding: 12px;
  background: rgba(0, 0, 0, 0.03);
}

.year-strip p {
  line-height: 1.25;
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.focus-grid > div {
  border: var(--line) solid currentColor;
  padding: 12px;
}

.focus-grid h3 {
  margin-bottom: 8px;
  font-size: clamp(1.3rem, 2.5vw, 2rem);
}

.focus-grid p {
  line-height: 1.25;
}

.slide-roadmap .focus-grid h3 {
  margin-bottom: 6px;
  font-size: clamp(1.05rem, 1.9vw, 1.5rem);
}

.slide-roadmap .focus-grid p {
  font-size: clamp(0.82rem, 1.05vw, 0.95rem);
  line-height: 1.15;
}

.slide-roadmap .focus-grid > div {
  padding: 10px;
}

.slide-roadmap .note {
  font-size: clamp(0.82rem, 1.02vw, 0.95rem);
  padding-left: 8px;
}

.note {
  font-size: clamp(0.95rem, 1.4vw, 1.12rem);
  font-weight: 500;
  border-left: 4px solid currentColor;
  padding-left: 10px;
}

.slide-evolution .evo-note {
  margin-top: clamp(10px, 1.2vw, 16px);
  max-width: 880px;
}

.source-note {
  margin-top: clamp(12px, 1.2vw, 16px);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(0.72rem, 0.9vw, 0.9rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.source-link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.source-link:hover {
  opacity: 0.75;
}

.source-icon {
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
}

.source-icon svg {
  width: 12px;
  height: 12px;
  stroke: var(--black);
  fill: none;
  stroke-width: 2;
}

.slide-context .source-icon svg {
  stroke: var(--white);
}

.figure2-source {
  margin-top: clamp(10px, 1vw, 14px);
  align-self: flex-start;
}

.scale-source {
  margin-top: 6px;
  text-transform: none;
  letter-spacing: 0.02em;
  font-size: clamp(0.62rem, 0.78vw, 0.78rem);
}

.huge {
  font-size: clamp(4.5rem, 12vw, 10rem) !important;
}

.big-num {
  font-family: "Bebas Neue", Impact, sans-serif;
  font-size: clamp(4rem, 12vw, 8rem);
  line-height: 0.8;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: fit-content;
}

.pill {
  display: inline-block;
  border: var(--line) solid currentColor;
  border-radius: 999px;
  padding: 6px 14px;
  font-weight: 700;
  font-size: clamp(12px, 0.95vw, 15px);
  background: transparent;
  width: fit-content;
}

.square {
  border-radius: 5px;
}

.tilt {
  transform: rotate(-12deg);
  margin-left: auto;
  background: var(--black);
  color: var(--white);
}

.split-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.warning-rail {
  border: var(--line) solid var(--black);
  background: var(--paper);
  display: grid;
  place-items: center;
  font-family: "Bebas Neue", Impact, sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.8rem);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.slide-warning .warning-rail {
  padding: clamp(12px, 1.8vw, 22px);
}

.slide-warning .card {
  padding: clamp(20px, 2.2vw, 34px);
}

.slide-mlr .frame {
  padding: clamp(10px, 1.2vw, 18px);
}

.mlr-card {
  gap: 10px;
  padding: clamp(10px, 1.2vw, 16px);
  justify-content: flex-start;
}

.mlr-card h2 {
  font-size: clamp(1.7rem, 3.3vw, 3rem);
  line-height: 0.88;
}

.mlr-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.86fr) minmax(0, 1.14fr);
  gap: 10px;
}

.mlr-column {
  border: var(--line) solid var(--black);
  background: var(--paper);
  padding: clamp(10px, 1.05vw, 14px);
  display: grid;
  gap: 8px;
}

.mlr-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(0.72rem, 0.9vw, 0.92rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mlr-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.mlr-metric {
  border: var(--line) solid var(--black);
  background: var(--white);
  padding: 8px;
  display: grid;
  gap: 4px;
}

.mlr-num {
  font-family: "Bebas Neue", Impact, sans-serif;
  font-size: clamp(1.9rem, 3vw, 2.8rem);
  line-height: 0.8;
}

.mlr-metric p:last-child {
  font-size: clamp(0.78rem, 0.95vw, 0.92rem);
  line-height: 1.15;
}

.mlr-points {
  list-style: none;
  display: grid;
  gap: 6px;
}

.mlr-points li {
  border-left: 4px solid var(--black);
  padding-left: 8px;
  font-size: clamp(0.84rem, 1vw, 0.98rem);
  line-height: 1.2;
}

.mlr-solution-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.mlr-solution-card {
  border: var(--line) solid var(--black);
  background: var(--white);
  padding: 8px;
  display: grid;
  gap: 4px;
}

.mlr-solution-card h3 {
  font-size: clamp(1.05rem, 1.45vw, 1.4rem);
  line-height: 0.95;
}

.mlr-solution-card p {
  font-size: clamp(0.78rem, 0.98vw, 0.94rem);
  line-height: 1.18;
}

.mlr-foundation {
  border-top: var(--line) solid var(--black);
  padding-top: 8px;
  display: grid;
  gap: 6px;
}

.mlr-foundation-title {
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(0.74rem, 0.9vw, 0.92rem);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.mlr-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.mlr-chip {
  border: var(--line) solid var(--black);
  background: var(--white);
  padding: 4px 8px;
  font-size: clamp(0.72rem, 0.88vw, 0.86rem);
  line-height: 1.15;
}

.oval {
  width: min(320px, 100%);
  height: clamp(210px, 30vh, 300px);
  border-radius: 50%;
  overflow: hidden;
  border: var(--line) solid currentColor;
}

.oval.tall {
  width: min(220px, 92%);
  height: clamp(250px, 34vh, 340px);
}

.oval.portrait {
  width: min(280px, 95%);
  height: clamp(320px, 50vh, 450px);
}

.speaker-photo {
  width: min(330px, 100%);
  height: clamp(320px, 54vh, 500px);
}

.ios-photo {
  border-radius: 28px;
  overflow: hidden;
  border: var(--line) solid var(--black);
}

.oval img,
.ios-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.statement {
  font-family: "Bebas Neue", Impact, sans-serif;
  font-size: clamp(2.6rem, 8vw, 6rem);
  line-height: 0.88;
  word-break: break-word;
}

.slide-contrast .card h2 {
  margin-top: auto;
}

.slide-end .frame {
  align-content: end;
}

.slide-final-ide .frame {
  align-content: stretch;
  gap: 0;
}

.final-image-card {
  gap: clamp(12px, 1.4vw, 20px);
  padding: clamp(16px, 2vw, 28px);
  display: grid;
  grid-template-columns: minmax(240px, 0.38fr) minmax(0, 0.62fr);
  align-items: stretch;
}

.final-image-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
  padding-right: clamp(8px, 1.2vw, 18px);
}

.final-image-card h2 {
  font-size: clamp(1.7rem, 3.4vw, 3.3rem);
  line-height: 0.9;
  max-width: 100%;
  text-wrap: balance;
}

.final-image {
  border: var(--line) solid var(--black);
  background: #111;
  overflow: hidden;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.final-image img {
  width: 100%;
  height: 100%;
  max-height: 72vh;
  object-fit: contain;
  display: block;
}

.end-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: var(--line) solid var(--black);
  background: var(--paper);
  font-family: "IBM Plex Mono", monospace;
  text-align: center;
}

.end-row span {
  padding: 14px 6px;
  border-right: var(--line) solid var(--black);
  font-weight: 600;
}

.end-row span:last-child {
  border-right: none;
}

.end-row .year {
  font-family: "Bebas Neue", Impact, sans-serif;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  line-height: 1;
}

.hud {
  position: fixed;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 30;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  color: #f4f4f4;
  font-family: "IBM Plex Mono", monospace;
}

#counter {
  font-size: 13px;
  letter-spacing: 0.08em;
}

.hint {
  font-size: 11px;
  opacity: 0.75;
}

#dots {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1px solid #f5f5f5;
  background: transparent;
  cursor: pointer;
}

.dot.active {
  background: var(--accent);
  border-color: var(--accent);
}

@media (max-width: 1080px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-warning {
    grid-template-columns: 1fr;
  }

  .warning-rail {
    writing-mode: horizontal-tb;
    transform: none;
    min-height: 64px;
  }

  .metric-grid {
    grid-template-columns: 1fr;
  }

  .metric-grid-2 {
    grid-template-columns: 1fr;
  }

  .timeline {
    grid-template-columns: 1fr;
  }

  .x-labels {
    grid-template-columns: 1fr;
  }

  .year-strip {
    grid-template-columns: 1fr;
  }

  .focus-grid {
    grid-template-columns: 1fr;
  }

  .split-layout,
  .xshot-layout,
  .figure2-layout {
    grid-template-columns: 1fr;
  }

  .slide-scale .scale-layout {
    grid-template-columns: 1fr;
  }

  .slide-scale .scale-left-col {
    border-right: none;
    border-bottom: var(--line) solid var(--black);
  }

  .slide-scale .scale-right-head h3 {
    font-size: clamp(1.5rem, 4vw, 2.4rem);
  }

  .slide-meme .meme-image img {
    height: clamp(320px, 55vh, 620px);
  }

  .slide-mlr .mlr-grid {
    grid-template-columns: 1fr;
  }

  .evo-chart {
    height: clamp(360px, 58vh, 540px);
  }

  .evo-step {
    position: static;
  }

  .evo-pill {
    white-space: normal;
    text-align: center;
  }

  .slide-evolution .evolution-card {
    gap: 10px;
  }

  .slide-evolution .evo-chart {
    height: auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 12px;
  }

  .slide-evolution .evo-solid-line,
  .slide-evolution .evo-dash-line,
  .slide-evolution .evo-fill-curve,
  .slide-evolution .evo-dot {
    display: none;
  }

  .slide-evolution .evo-y-axis {
    display: none;
  }

  .slide-evolution .evo-x-axis {
    position: static;
    text-align: left;
    margin-bottom: 4px;
  }

  .slide-evolution .evo-step {
    position: static;
  }

  .slide-evolution .evo-pill {
    width: 100%;
  }

  .slide-evolution .evo-gap {
    position: static;
    display: flex;
    justify-content: flex-start;
  }

  .slide-evolution .evo-gap-arrow {
    display: none;
  }

  .split-visual {
    order: -1;
  }

  .xshot-image img,
  .figure2-image img {
    height: clamp(280px, 45vh, 520px);
  }

  .split-list {
    grid-template-columns: 1fr;
  }

  .media-nav {
    grid-template-columns: 1fr;
  }

  .media-stage {
    grid-template-columns: 1fr;
  }

  .media-arrow {
    min-height: 34px;
  }

  .focus-label {
    top: 6%;
    right: 5%;
  }
}

@media (max-width: 820px) {
  .deck-wrapper {
    border-width: 6px;
  }

  .frame {
    box-shadow: 0 0 0 6px var(--black);
  }

  .slide-evolution .evolution-card h2 {
    font-size: clamp(1.6rem, 8vw, 2.25rem);
  }

  .slide-scale .scale-header {
    grid-template-columns: 1fr auto;
    padding: 8px;
    gap: 6px;
  }

  .slide-scale .scale-header-center {
    display: none;
  }

  .slide-scale .scale-left-col,
  .slide-scale .scale-right-head,
  .slide-scale .scale-use-card {
    padding: 8px;
  }

  .slide-scale .scale-left-col h2 {
    font-size: clamp(1.6rem, 8vw, 2.45rem);
  }

  .slide-scale .scale-progress-20,
  .slide-scale .scale-progress-80 {
    font-size: clamp(0.95rem, 4.4vw, 1.35rem);
  }

  .slide-scale .scale-progress-80 {
    white-space: normal;
    line-height: 0.95;
    padding-left: 6px;
  }

  .slide-scale .scale-progress-foot {
    font-size: clamp(0.56rem, 2.2vw, 0.66rem);
    gap: 6px;
  }

  .slide-scale .scale-challenge {
    display: none;
  }

  .slide-scale .scale-priority-pill {
    font-size: clamp(0.56rem, 2.3vw, 0.7rem);
    padding: 4px 7px;
  }

  .slide-scale .scale-right-head h3 {
    font-size: clamp(1.25rem, 5.8vw, 1.8rem);
  }

  .slide-scale .scale-illustration {
    width: 54px;
    height: 54px;
  }

  .slide-scale .scale-cards-grid {
    grid-template-columns: 1fr 1fr;
  }

  .slide-scale .scale-use-label {
    font-size: clamp(0.54rem, 2vw, 0.62rem);
  }

  .slide-scale .scale-use-card h4 {
    font-size: clamp(0.72rem, 2.95vw, 0.9rem);
  }

  .slide-scale .scale-card-metric,
  .slide-scale .scale-use-card p {
    font-size: clamp(0.58rem, 2.35vw, 0.72rem);
    line-height: 1.06;
  }

  .slide-scale .scale-icon-box {
    width: 24px;
    height: 24px;
  }

  .slide-scale .scale-icon {
    width: 13px;
    height: 13px;
  }

  .slide-meme .meme-card h2 {
    font-size: clamp(1.4rem, 7vw, 2.1rem);
  }

  .slide-meme .meme-image img {
    height: clamp(280px, 46vh, 520px);
  }

  .slide-mlr .mlr-card h2 {
    font-size: clamp(1.45rem, 7vw, 2.2rem);
  }

  .slide-mlr .mlr-metrics {
    grid-template-columns: 1fr;
  }

  .slide-mlr .mlr-solution-grid {
    grid-template-columns: 1fr 1fr;
  }

  .slide-mlr .mlr-foundation {
    display: none;
  }

  .slide-mlr .mlr-card {
    gap: 6px;
    padding: 8px;
  }

  .slide-mlr .mlr-column {
    padding: 8px;
    gap: 6px;
  }

  .slide-mlr .mlr-num {
    font-size: clamp(1.7rem, 6.4vw, 2.2rem);
  }

  .slide-mlr .mlr-metric p:last-child,
  .slide-mlr .mlr-points li,
  .slide-mlr .mlr-solution-card p {
    font-size: clamp(0.7rem, 2.5vw, 0.82rem);
    line-height: 1.12;
  }

  .slide-mlr .mlr-solution-card h3 {
    font-size: clamp(0.88rem, 3.2vw, 1.06rem);
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .intro-grid {
    grid-template-columns: 1fr;
  }

  .hud {
    right: 10px;
    gap: 8px;
  }

  .hint {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .deck {
    transition: none;
  }

  .card {
    transition: none;
  }
}