:root {
  --ink: #0b1f18;
  --ink-soft: #33463f;
  --muted: #6d7d76;
  --paper: #f5f7f4;
  --white: #ffffff;
  --line: rgba(11, 31, 24, 0.16);
  --line-strong: rgba(11, 31, 24, 0.35);
  --green: #177a4c;
  --green-dark: #0c5634;
  --green-soft: #dcebe3;
  --amber: #c9852b;
  --danger: #a4473d;
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  --font-mono: "SFMono-Regular", "Roboto Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #dce2de;
  color: var(--ink);
  font-family: var(--font-sans);
}

button,
a { font: inherit; }

a { color: inherit; }

body[data-language="zh"] .lang-en,
body[data-language="en"] .lang-zh { display: none !important; }

.deck-viewport {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

.deck-stage {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 1920px;
  height: 1080px;
  overflow: hidden;
  background: var(--paper);
  transform-origin: center;
  box-shadow: 0 28px 90px rgba(0, 24, 14, 0.18);
}

.skip-link {
  position: absolute;
  z-index: 200;
  left: 24px;
  top: -60px;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--white);
}

.skip-link:focus { top: 20px; }

.utility-bar {
  position: absolute;
  z-index: 100;
  top: 0;
  left: 0;
  right: 0;
  height: 76px;
  padding: 0 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255,255,255,.22);
  color: var(--white);
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

body[data-light-header="true"] .utility-bar {
  color: var(--ink);
  background: rgba(248, 250, 247, .9);
  border-bottom-color: var(--line);
  backdrop-filter: blur(16px);
}

.brand,
.utility-actions,
.utility-button {
  display: flex;
  align-items: center;
}

.brand { gap: 20px; }

.brand-logo {
  width: 126px;
  height: auto;
  filter: brightness(0) invert(1);
}

body[data-light-header="true"] .brand-logo { filter: none; }

.brand-context {
  padding-left: 20px;
  border-left: 1px solid currentColor;
  font-size: 12px;
  font-weight: 650;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.utility-actions { gap: 10px; }

.utility-button {
  min-height: 38px;
  padding: 0 15px;
  justify-content: center;
  border: 1px solid currentColor;
  border-radius: 2px;
  background: transparent;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  font-size: 12px;
  font-weight: 650;
  letter-spacing: .04em;
}

.utility-button:hover,
.utility-button:focus-visible {
  color: var(--white);
  background: var(--green);
  border-color: var(--green);
  outline: none;
}

.progress {
  position: absolute;
  z-index: 101;
  top: 75px;
  left: 0;
  width: 100%;
  height: 2px;
  background: rgba(255,255,255,.16);
}

.progress span {
  display: block;
  width: 9.09%;
  height: 100%;
  background: #46b978;
  transition: width 520ms cubic-bezier(.22,.78,.24,1);
}

.deck {
  position: absolute;
  inset: 0;
  display: flex;
  transition: transform 640ms cubic-bezier(.22,.78,.24,1);
}

.slide {
  position: relative;
  isolation: isolate;
  flex: 0 0 1920px;
  width: 1920px;
  height: 1080px;
  overflow: hidden;
  background: var(--paper);
}

.slide-photo-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slide::after {
  content: "";
  position: absolute;
  inset: 0;
  display: none;
  pointer-events: none;
  z-index: 0;
  background: linear-gradient(90deg, rgba(244,247,244,.98) 0%, rgba(244,247,244,.92) 48%, rgba(244,247,244,.74) 100%);
}

.slide.dark::after {
  display: block;
  background: linear-gradient(90deg, rgba(5,26,18,.94) 0%, rgba(5,26,18,.85) 52%, rgba(5,26,18,.68) 100%);
}

.slide.canada::after {
  display: block;
  background: linear-gradient(90deg, rgba(249,250,247,.98) 0%, rgba(249,250,247,.93) 44%, rgba(249,250,247,.78) 72%, rgba(249,250,247,.64) 100%);
}

.slide.canada .slide-photo-bg {
  object-fit: cover;
  object-position: center;
  filter: saturate(.78) contrast(.94);
}

.slide.photo-wash::after {
  display: block;
  background: rgba(247, 249, 247, .90);
}

.slide.photo-wash .slide-photo-bg {
  object-position: center;
  filter: grayscale(.42) saturate(.58) contrast(.90);
}

.slide.graphic-wash::after {
  background: rgba(247, 249, 247, .78);
}

.slide.graphic-wash .slide-photo-bg {
  filter: saturate(.72) contrast(.93);
}

.slide.blueprint-wash::after {
  background: rgba(247, 249, 247, .74);
}

.slide.blueprint-wash .slide-photo-bg {
  object-position: center;
  filter: saturate(.62) contrast(.94);
}

.chrome,
.slide-content {
  position: relative;
  z-index: 2;
}

.chrome {
  position: absolute;
  top: 104px;
  left: 78px;
  right: 78px;
  padding-bottom: 18px;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--line-strong);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.dark .chrome {
  color: rgba(255,255,255,.7);
  border-bottom-color: rgba(255,255,255,.34);
}

.slide-content {
  height: 100%;
  padding: 172px 82px 118px;
}

.eyebrow {
  display: block;
  margin-bottom: 18px;
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.dark .eyebrow { color: #70d59c; }

.section-title,
.hero-title {
  margin: 0;
  letter-spacing: -.055em;
  line-height: .94;
}

.hero-title.single-line {
  max-width: none;
  white-space: nowrap;
  font-size: 102px;
  letter-spacing: -.065em;
}

body[data-language="en"] .hero-title.single-line { font-size: 78px; }

.section-title {
  max-width: 1280px;
  font-size: 70px;
  font-weight: 600;
}

.section-intro {
  max-width: 1160px;
  margin: 22px 0 0;
  color: var(--ink-soft);
  font-size: 24px;
  line-height: 1.55;
}

.dark .section-title,
.dark .section-intro { color: var(--white); }

.dark .section-intro { color: rgba(255,255,255,.78); }

.hero-layout {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  align-items: center;
  gap: 94px;
}

.hero-title {
  color: var(--white);
  font-size: 128px;
  font-weight: 600;
}

.hero-subtitle {
  max-width: 750px;
  margin: 34px 0 0;
  color: rgba(255,255,255,.82);
  font-size: 25px;
  line-height: 1.62;
}

.cover-system {
  padding: 26px 30px;
  border-top: 1px solid rgba(255,255,255,.5);
  border-bottom: 1px solid rgba(255,255,255,.5);
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(8px);
}

.cover-system-label {
  display: block;
  margin-bottom: 20px;
  color: rgba(255,255,255,.65);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .13em;
}

.cover-flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}

.cover-flow-item {
  position: relative;
  min-height: 150px;
  padding: 18px 12px 14px;
  border-left: 1px solid rgba(255,255,255,.28);
  color: var(--white);
}

.cover-flow-item:first-child { border-left: 0; }

.cover-flow-item img {
  width: 52px;
  height: 52px;
  margin-bottom: 18px;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: .92;
}

.cover-flow-item b {
  display: block;
  font-size: 15px;
  line-height: 1.35;
}

.canada-layout {
  display: grid;
  grid-template-columns: .78fr 1.22fr;
  gap: 90px;
  align-items: end;
}

.canada-layout .section-title { font-size: 88px; }

.canada-reasons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.canada-reason {
  min-height: 340px;
  padding: 34px 30px;
  background: rgba(255,255,255,.88);
}

.canada-reason img {
  width: 56px;
  height: 56px;
  margin-bottom: 36px;
  object-fit: contain;
}

.canada-reason .index {
  display: block;
  margin-bottom: 12px;
  color: var(--green);
  font-family: var(--font-mono);
  font-weight: 700;
}

.canada-reason h3 {
  margin: 0;
  font-size: 27px;
  line-height: 1.2;
}

.canada-reason p {
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.58;
}

.source-note {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.source-note a { text-underline-offset: 3px; }

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 46px;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background: var(--line);
}

.summary-stat {
  min-height: 230px;
  padding: 22px 28px 20px;
  background: var(--white);
}

.summary-stat.featured {
  color: var(--ink);
  background: var(--white);
  box-shadow: inset 0 4px 0 var(--green);
}

.summary-icon {
  display: block;
  width: 98px;
  height: 86px;
  margin: -4px 0 8px;
  background-image: url("images/economics/scale-icons.png");
  background-repeat: no-repeat;
  background-size: 400% auto;
  background-position-y: 48%;
}

.scale-icon-1 { background-position-x: 0%; }
.scale-icon-2 { background-position-x: 33.333%; }
.scale-icon-3 { background-position-x: 66.667%; }
.scale-icon-4 { background-position-x: 100%; }

.metric-label {
  display: block;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  line-height: 1.45;
  text-transform: uppercase;
}

.featured .metric-label { color: var(--muted); }

.summary-stat strong {
  display: block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 46px;
  line-height: 1;
  letter-spacing: -.055em;
}

.summary-stat p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
}

.featured p { color: var(--muted); }

.phase-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 28px;
}

.phase {
  position: relative;
  padding: 20px 20px 16px 40px;
  border-top: 2px solid var(--green);
}

.phase::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 12px;
  height: 12px;
  background: var(--green);
  border-radius: 50%;
}

.phase b { font-family: var(--font-mono); font-size: 18px; }
.phase span { display: block; margin-top: 7px; color: var(--muted); font-size: 14px; }

.capex-layout {
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: 64px;
  align-items: stretch;
}

.capex-figure {
  padding-right: 48px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--line-strong);
}

.capex-number {
  display: block;
  margin-top: 32px;
  color: var(--green-dark);
  font-family: var(--font-mono);
  font-size: 78px;
  font-weight: 600;
  letter-spacing: -.07em;
  line-height: .98;
}

.capex-number .unit {
  display: block;
  margin-top: 12px;
  font-size: 52px;
  letter-spacing: -.055em;
}

.configuration {
  margin-top: 34px;
  padding: 24px 0;
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 20px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.configuration strong {
  font-family: var(--font-mono);
  font-size: 44px;
  color: var(--green);
}

.configuration p { margin: 2px 0 0; color: var(--ink-soft); font-size: 17px; line-height: 1.55; }

.product-intro {
  margin-top: 34px;
  padding: 26px 0 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.product-wordmark {
  display: block;
  color: var(--green-dark);
  font-size: 34px;
  font-weight: 600;
  letter-spacing: -.035em;
}

.product-intro p {
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.55;
}

.product-photo {
  margin: 18px 0 0;
}

.product-photo img {
  display: block;
  width: 100%;
  height: 168px;
  object-fit: cover;
  object-position: center 48%;
  border: 1px solid var(--line);
}

.product-photo figcaption {
  margin-top: 7px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.4;
}

.product-pill-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 14px;
  border: 1px solid var(--line);
  background: var(--line);
}

.product-pill-grid span {
  padding: 14px 9px;
  background: var(--white);
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 680;
  text-align: center;
}

.scope-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.scope-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(4, minmax(0, 1fr));
  gap: 1px;
  height: 604px;
  margin-top: 20px;
  background: var(--line);
  border: 1px solid var(--line);
}

.scope-item {
  min-height: 0;
  padding: 18px 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 96px;
  grid-template-rows: minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  background: var(--white);
}

.scope-icon {
  display: block;
  grid-column: 2;
  grid-row: 1;
  align-self: center;
  justify-self: end;
  width: 92px;
  height: 82px;
  background-image: url("images/economics/capex-icons.png");
  background-repeat: no-repeat;
  background-size: 400% 300%;
}

.scope-icon-1 { background-position: 0% 0%; }
.scope-icon-2 { background-position: 33.333% 0%; }
.scope-icon-3 { background-position: 66.667% 0%; }
.scope-icon-4 { background-position: 100% 0%; }
.scope-icon-5 { background-position: 0% 50%; }
.scope-icon-6 { background-position: 33.333% 50%; }
.scope-icon-7 { background-position: 66.667% 50%; }
.scope-icon-8 { background-position: 100% 50%; }
.scope-icon-9 { background-position: 0% 100%; }
.scope-icon-10 { background-position: 33.333% 100%; }
.scope-icon-11 { background-position: 66.667% 100%; }
.scope-icon-12 { background-position: 100% 100%; }

.scope-item > .lang-zh,
.scope-item > .lang-en {
  grid-column: 1;
  grid-row: 1;
  align-self: center;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -.012em;
  line-height: 1.3;
}

.scope-panel > div > .metric-label {
  font-size: 15px;
  letter-spacing: .1em;
}

body[data-language="en"] .scope-grid {
  height: 486px;
  margin-top: 16px;
}
body[data-language="en"] .scope-item {
  min-height: 0;
  padding: 16px 18px;
}
body[data-language="en"] .scope-item > .lang-en {
  font-size: 18px;
  line-height: 1.28;
}
body[data-language="en"] .compliance-band {
  margin-top: 16px;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.4;
}
body[data-language="en"] .capex-figure .section-title { font-size: 60px; }
body[data-language="en"] .capex-number {
  margin-top: 22px;
  font-size: 66px;
}
body[data-language="en"] .capex-number .unit {
  margin-top: 8px;
  font-size: 44px;
}
body[data-language="en"] .product-intro {
  margin-top: 22px;
  padding: 18px 0;
}
body[data-language="en"] .product-intro p {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.45;
}
body[data-language="en"] .product-photo { margin-top: 12px; }
body[data-language="en"] .product-photo img { height: 132px; }
body[data-language="en"] .product-pill-grid { margin-top: 10px; }
body[data-language="en"] .product-pill-grid span { padding: 10px 8px; }

.compliance-band {
  margin-top: 22px;
  padding: 18px 20px;
  border-left: 4px solid var(--green);
  background: var(--green-soft);
  color: var(--green-dark);
  font-size: 16px;
  line-height: 1.55;
}

.formula-layout {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 70px;
  align-items: start;
}

.formula-stack {
  margin-top: 40px;
  border-top: 1px solid var(--line-strong);
}

.formula-row {
  display: grid;
  grid-template-columns: 220px 1fr auto;
  gap: 26px;
  align-items: center;
  min-height: 104px;
  border-bottom: 1px solid var(--line);
}

.formula-row b { font-size: 18px; }
.formula-row code { color: var(--muted); font-family: var(--font-mono); font-size: 16px; }
.formula-row strong { color: var(--green-dark); font-family: var(--font-mono); font-size: 30px; }

.result-panel {
  min-height: 644px;
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--green-dark);
  color: var(--white);
}

.result-panel .metric-label { color: rgba(255,255,255,.62); }

.primary-result strong {
  display: block;
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 66px;
  letter-spacing: -.06em;
  line-height: 1.02;
}

.result-panel p { color: rgba(255,255,255,.7); font-size: 16px; line-height: 1.55; }

.result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(255,255,255,.22);
  border: 1px solid rgba(255,255,255,.22);
}

.result-grid > div { padding: 22px; background: rgba(255,255,255,.07); }
.result-grid strong { display: block; margin-top: 12px; font-family: var(--font-mono); font-size: 27px; }

.gas-proof {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 40px;
  border: 1px solid var(--line);
  background: var(--line);
}

.proof-cell { min-height: 184px; padding: 26px; background: var(--white); }
.proof-cell strong { display: block; margin-top: 24px; font-family: var(--font-mono); font-size: 34px; color: var(--green-dark); }
.proof-cell p { margin: 16px 0 0; color: var(--muted); font-size: 14px; line-height: 1.5; }

.precision-note {
  margin-top: 26px;
  padding: 20px 24px;
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 30px;
  border-left: 4px solid var(--amber);
  background: #f2e8d7;
}

.precision-note b { color: #8c5818; font-family: var(--font-mono); font-size: 14px; }
.precision-note p { margin: 0; color: #65461e; font-size: 16px; line-height: 1.55; }

.opex-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 42px;
}

.opex-card {
  padding: 30px;
  border-top: 3px solid var(--green);
  background: var(--white);
}

.opex-card h3 { margin: 0; font-size: 27px; }
.opex-card > p { min-height: 52px; margin: 12px 0 24px; color: var(--muted); font-size: 16px; line-height: 1.5; }

.opex-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.opex-values > div { padding: 18px; background: var(--paper); }
.opex-values strong { display: block; margin-top: 10px; font-family: var(--font-mono); font-size: 21px; }

.total-band {
  margin-top: 26px;
  padding: 22px 28px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 60px;
  align-items: center;
  background: var(--green-dark);
  color: var(--white);
}

.total-band strong { font-family: var(--font-mono); font-size: 30px; }

.economics-table {
  width: 100%;
  margin-top: 40px;
  border-collapse: collapse;
  background: var(--white);
  table-layout: fixed;
}

.economics-table th,
.economics-table td {
  padding: 17px 24px;
  border-bottom: 1px solid var(--line);
  text-align: right;
  font-family: var(--font-mono);
  font-size: 18px;
}

.economics-table th {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.economics-table th:nth-child(2) { background: rgba(220, 235, 227, .72); }
.economics-table th:nth-child(3) { background: rgba(237, 240, 237, .88); }

.economics-table .scenario-title {
  display: block;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.3;
  text-transform: none;
}

.economics-table th:first-child,
.economics-table td:first-child {
  width: 42%;
  text-align: left;
  font-family: var(--font-sans);
}

.economics-table tr.key-row td {
  color: var(--white);
  background: var(--green-dark);
  border-bottom-color: rgba(255,255,255,.16);
  font-weight: 700;
}

.economics-table .sub {
  display: block;
  margin-top: 6px;
  color: var(--green-dark);
  font-size: 15px;
  letter-spacing: 0;
}

.scenario-note {
  margin: 16px 0 0;
  padding: 14px 18px;
  border-left: 3px solid var(--green);
  background: rgba(255, 255, 255, .86);
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.55;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 42px;
  background: var(--line);
  border: 1px solid var(--line);
}

.kpi {
  min-height: 390px;
  padding: 24px 30px 26px;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--white);
  text-align: center;
}

.kpi-icon {
  display: block;
  width: 100px;
  height: 84px;
  margin: -6px auto 18px;
  background-image: url("images/economics/kpi-icons.png");
  background-repeat: no-repeat;
  background-size: 800% auto;
  background-position-y: -62px;
}

.kpi-icon-1 { background-position-x: -52px; }
.kpi-icon-2 { background-position-x: -244px; }
.kpi-icon-3 { background-position-x: -425px; }
.kpi-icon-4 { background-position-x: -621px; }

.kpi.primary { color: var(--white); background: var(--green-dark); }
.kpi.primary .metric-label { color: rgba(255,255,255,.62); }
.kpi .metric-label { width: 100%; text-align: center; }
.kpi strong {
  width: 100%;
  min-height: 86px;
  margin-top: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .3em;
  font-family: var(--font-mono);
  font-size: 38px;
  line-height: 1.06;
  letter-spacing: -.055em;
  text-align: center;
}
.kpi p {
  width: 100%;
  min-height: 48px;
  margin: auto 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .35em;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
  text-align: center;
}
.kpi.primary p { color: rgba(255,255,255,.7); }

.project-layout {
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: 68px;
  align-items: start;
}

.project-hero-number {
  margin-top: 52px;
  padding: 34px 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.project-hero-number strong {
  display: block;
  margin-top: 18px;
  color: var(--green-dark);
  font-family: var(--font-mono);
  font-size: 62px;
  letter-spacing: -.06em;
}

.project-ledger { border-top: 1px solid var(--line-strong); }

.ledger-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  min-height: 91px;
  border-bottom: 1px solid var(--line);
}

.ledger-row > span { color: var(--ink-soft); font-size: 17px; }
.ledger-row strong {
  font-family: var(--font-mono);
  font-size: 27px;
  font-variant-numeric: tabular-nums;
}
.ledger-row strong [data-output] {
  color: inherit;
  font: inherit;
  letter-spacing: inherit;
}
.ledger-row.key { padding: 0 22px; color: var(--white); background: var(--green-dark); }
.ledger-row.key > span { color: rgba(255,255,255,.72); }

.boundary-layout {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 86px;
}

.definition-stack { margin-top: 46px; }

.definition-row {
  display: grid;
  grid-template-columns: 1fr 48px 1fr;
  align-items: center;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 21px;
}

.definition-row b { color: var(--green); text-align: center; }

.boundary-panel {
  padding: 38px;
  background: var(--white);
  border-top: 3px solid var(--green);
}

.boundary-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 34px;
  margin-top: 20px;
}

.boundary-list span {
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 16px;
}

.boundary-callout {
  margin-top: 28px;
  padding: 20px 22px;
  border-left: 4px solid var(--green);
  background: var(--green-soft);
  color: var(--green-dark);
  font-size: 16px;
  line-height: 1.55;
}

.closing-slide {
  color: var(--ink);
  background: #f7f8f6;
}

.closing-slide::after { display: none; }

.closing-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #2f6c43 0 58.333%, #f7f8f6 58.333% 100%);
}

.closing-left,
.closing-right {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  padding: 104px 78px 118px;
}

.closing-left {
  justify-content: space-between;
  color: #fdfefd;
}

.closing-right {
  background: transparent;
}

.closing-slide .chrome {
  position: relative;
  top: auto;
  left: auto;
  right: auto;
  padding-bottom: 24px;
  border-bottom: 1px solid currentColor;
  color: rgba(255,255,255,.62);
}

.closing-logo-watermark {
  position: absolute;
  z-index: 1;
  left: -134px;
  top: -65px;
  width: auto;
  height: 1274px;
  max-width: none;
  max-height: none;
  filter: grayscale(1) brightness(0);
  opacity: .055;
  mix-blend-mode: multiply;
  pointer-events: none;
  user-select: none;
}

.closing-slogan {
  position: relative;
  z-index: 2;
  max-width: none;
  margin: auto 0;
  font-size: 106px;
  font-weight: 380;
  line-height: 1.02;
  letter-spacing: .04em;
}

.closing-slogan span { display: block; white-space: nowrap; }

body[data-language="en"] .closing-slogan {
  font-size: 58px;
  letter-spacing: -.025em;
  line-height: 1.06;
}

.closing-meta {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,.28);
  color: rgba(255,255,255,.66);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  line-height: 1.4;
  text-transform: uppercase;
}

.closing-right .eyebrow { color: #2f6c43; }

.closing-contact {
  position: relative;
  z-index: 2;
  margin-top: auto;
  margin-bottom: 34px;
  padding-top: 18px;
  border-top: 2px solid #2f6c43;
}

.closing-contact-label {
  margin: 0 0 12px;
  color: #2f6c43;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: .13em;
  line-height: 1.4;
  text-transform: uppercase;
}

.closing-contact a {
  display: inline-block;
  color: var(--ink);
  font-size: 34px;
  font-weight: 520;
  letter-spacing: -.025em;
  line-height: 1.15;
  text-decoration: none;
}

.closing-contact-note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.footer-nav {
  margin-top: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
}

.footer-nav span {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.footer-nav span:nth-child(even) {
  padding-left: 16px;
  border-left: 1px solid var(--line);
}

.closing-right .copyright {
  margin-top: 24px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
}

.deck-nav {
  position: absolute;
  z-index: 100;
  left: 54px;
  right: 54px;
  bottom: 28px;
  display: grid;
  grid-template-columns: 48px 1fr auto 48px;
  align-items: center;
  gap: 20px;
}

.nav-button {
  width: 48px;
  height: 44px;
  border: 1px solid var(--line-strong);
  background: rgba(255,255,255,.9);
  color: var(--ink);
  cursor: pointer;
  font-size: 20px;
}

.nav-button:disabled { opacity: .34; cursor: default; }

.dots { display: flex; justify-content: center; gap: 8px; }

.dot {
  width: 26px;
  height: 4px;
  padding: 0;
  border: 0;
  background: rgba(11,31,24,.2);
  cursor: pointer;
  transition: width 180ms ease, background 180ms ease;
}

.dot.is-active { width: 46px; background: var(--green); }

.page-counter {
  min-width: 62px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

[data-anim] { opacity: 0; transform: translateY(18px); }

.slide.is-active [data-anim] {
  animation: reveal 520ms cubic-bezier(.22,.78,.24,1) forwards;
  animation-delay: calc(var(--i, 0) * 70ms + 80ms);
}

@keyframes reveal { to { opacity: 1; transform: translateY(0); } }

@media (prefers-reduced-motion: reduce) {
  .deck,
  .progress span { transition: none; }
  .slide.is-active [data-anim] { animation: none; opacity: 1; transform: none; }
}

@media print {
  @page { size: 13.333in 7.5in; margin: 0; }
  html, body { width: auto; height: auto; overflow: visible; background: var(--paper); }
  .deck-viewport { position: static; width: 1920px; height: auto; overflow: visible; }
  .deck-stage { position: static; width: 1920px; height: 1080px; overflow: visible; transform: none !important; box-shadow: none; }
  .utility-bar, .progress, .deck-nav, .skip-link { display: none !important; }
  .deck { position: static; display: block; transform: none !important; }
  .slide { width: 13.333in; height: 7.5in; break-after: page; page-break-after: always; }
  .slide [data-anim] { opacity: 1 !important; transform: none !important; animation: none !important; }
}