@font-face {
  font-family: "Manrope";
  src: url("fonts/Manrope-Variable.ttf") format("truetype");
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("fonts/IBMPlexMono-Medium.ttf") format("truetype");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

:root {
  --ink: #101615;
  --ink-soft: #35403d;
  --muted: #5b6663;
  --paper: #f5f7f5;
  --sheet: #ffffff;
  --line: #cdd4d1;
  --line-dark: #7e8985;
  --green: #146b55;
  --green-bright: #8ce2c0;
  --green-pale: #dff4eb;
  --red: #b54136;
  --red-pale: #f5e5e2;
  --yellow: #e2b84a;
  --dark: #0e1715;
  --dark-raised: #17211e;
  --section-pad: clamp(72px, 8vw, 116px);
  --gutter: clamp(22px, 5vw, 72px);
  --content: 1180px;
  --measure: 72ch;
}

* {
  scrollbar-color: var(--line-dark) var(--paper);
}

html {
  background: var(--paper);
  scroll-padding-top: 76px;
}

body {
  color: var(--ink);
  background: var(--paper);
  font-family: "Manrope", "Noto Sans TC", "Noto Sans SC", "PingFang TC", "PingFang SC", sans-serif;
  font-variation-settings: "wght" 470;
  line-height: 1.65;
}

::selection {
  color: var(--sheet);
  background: var(--green);
}

img {
  background-color: #e4e8e5;
}

a,
button,
input,
select,
summary {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.eyebrow {
  display: none;
}

h1,
h2,
h3,
.brand strong {
  font-family: "Manrope", "Noto Sans TC", "Noto Sans SC", sans-serif;
  font-variation-settings: "wght" 760;
  letter-spacing: -0.025em;
}

h1 {
  max-width: 12ch;
  margin: 0 0 24px;
  font-size: 72px;
  line-height: 1.03;
  text-wrap: balance;
}

h2 {
  max-width: 24ch;
  margin: 0 0 22px;
  font-size: 50px;
  line-height: 1.08;
  text-wrap: balance;
}

h3 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.25;
}

p {
  max-width: var(--measure);
  color: var(--ink-soft);
}

.site-header {
  min-height: 72px;
  padding: 0 max(var(--gutter), calc((100vw - var(--content)) / 2));
  color: var(--ink);
  background: rgba(250, 252, 250, 0.96);
  border-bottom: 1px solid var(--line-dark);
  backdrop-filter: none;
}

.site-header::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  width: 28vw;
  height: 2px;
  content: "";
  background: var(--red);
}

.brand {
  display: grid;
  gap: 0;
  min-width: 164px;
  line-height: 1.1;
}

.brand strong {
  font-size: 19px;
}

.brand small {
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.site-header nav {
  gap: clamp(17px, 2vw, 30px);
  margin-left: auto;
  font-size: 14px;
  font-weight: 650;
}

.site-header nav a {
  position: relative;
  padding: 25px 0 23px;
}

.site-header nav a::after {
  position: absolute;
  right: 0;
  bottom: 14px;
  left: 0;
  height: 1px;
  content: "";
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms cubic-bezier(0.16, 1, 0.3, 1);
}

.site-header nav a:hover::after,
.site-header nav a:focus-visible::after {
  transform: scaleX(1);
}

.header-actions {
  gap: 10px;
}

.lang-switch {
  padding: 0;
  border: 0;
  background: transparent;
}

.lang-switch select {
  min-height: 40px;
  padding: 0 34px 0 12px;
  color: var(--ink);
  background-color: var(--sheet);
  border: 1px solid var(--line-dark);
  border-radius: 4px;
  font: 600 12px/1 "Manrope", sans-serif;
}

.button {
  min-height: 44px;
  padding: 0 18px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 700;
  transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease, transform 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary,
.header-cta {
  color: #fff;
  background: var(--green) !important;
  border-color: var(--green) !important;
}

.button.primary:hover,
.header-cta:hover {
  background: #0e5745 !important;
  border-color: #0e5745 !important;
}

.button.secondary {
  color: var(--ink);
  background: transparent;
  border-color: var(--line-dark);
}

.button.secondary:hover {
  background: var(--sheet);
  border-color: var(--ink);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(260px, 0.95fr);
  grid-template-rows: 1fr auto;
  min-height: min(760px, calc(100svh - 72px));
  padding: clamp(86px, 10vh, 128px) max(var(--gutter), calc((100vw - var(--content)) / 2)) 42px;
  overflow: hidden;
  isolation: isolate;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(6, 13, 12, 0.96) 0%, rgba(6, 13, 12, 0.83) 43%, rgba(6, 13, 12, 0.24) 73%, rgba(6, 13, 12, 0.42) 100%),
    url("application-consumer-electronics.png") center 53% / cover no-repeat;
}

.hero::before {
  position: absolute;
  z-index: -1;
  top: 0;
  right: max(var(--gutter), calc((100vw - var(--content)) / 2));
  width: min(34vw, 420px);
  height: 100%;
  content: "";
  border-right: 1px solid rgba(255, 255, 255, 0.36);
  border-left: 1px solid rgba(255, 255, 255, 0.16);
  background: linear-gradient(180deg, rgba(181, 65, 54, 0.18), transparent 34%);
  clip-path: inset(0 0 0 0);
  animation: dossier-reveal 950ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero::after {
  position: absolute;
  z-index: -1;
  top: 34px;
  right: max(var(--gutter), calc((100vw - var(--content)) / 2));
  width: min(34vw, 420px);
  height: 6px;
  content: "";
  background: linear-gradient(90deg, var(--green-bright) 0 66%, var(--red) 66% 100%);
}

@keyframes dossier-reveal {
  from {
    opacity: 0.35;
    clip-path: inset(0 100% 0 0);
    filter: blur(8px);
  }
  to {
    opacity: 1;
    clip-path: inset(0 0 0 0);
    filter: blur(0);
  }
}

.hero-copy {
  align-self: center;
  max-width: 760px;
}

.hero-copy::before {
  display: inline-flex;
  margin-bottom: 30px;
  padding: 7px 10px;
  color: var(--green-bright);
  content: "RCS / ABA / VALIDATION READY";
  border: 1px solid rgba(140, 226, 192, 0.58);
  border-radius: 2px;
  font: 500 11px/1 "IBM Plex Mono", monospace;
  letter-spacing: 0.04em;
}

.hero h1 {
  color: #fff;
}

.hero .lead {
  max-width: 62ch;
  color: #e3ebe7;
  font-size: 19px;
  line-height: 1.7;
}

.hero-actions {
  margin-top: 34px;
}

.hero .button {
  min-height: 50px;
}

.hero .button.primary {
  color: #0b2019;
  background: var(--green-bright) !important;
  border-color: var(--green-bright) !important;
}

.hero .button.primary:hover {
  color: #fff;
  background: var(--green) !important;
  border-color: var(--green) !important;
}

.hero .button.secondary {
  color: #fff;
  background: rgba(0, 0, 0, 0.18);
  border-color: rgba(255, 255, 255, 0.62);
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 38px 0 0;
  padding: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.34);
  list-style: none;
}

.hero-proof li {
  min-height: 74px;
  padding: 17px 18px 12px 0;
  color: #f3f7f5;
  font-size: 12px;
  line-height: 1.45;
}

.hero-proof li + li {
  padding-left: 18px;
  border-left: 1px solid rgba(255, 255, 255, 0.22);
}

.hero-proof li::before {
  display: block;
  width: 18px;
  height: 3px;
  margin-bottom: 10px;
  content: "";
  background: var(--green-bright);
  border-radius: 0;
}

.hero-proof li:nth-child(2)::before {
  background: var(--red);
}

.hero-caption {
  grid-column: 2;
  align-self: end;
  justify-self: end;
  max-width: 36ch;
  margin: 0;
  padding: 12px 0 0 18px;
  color: #eef3f1;
  border-top: 1px solid rgba(255, 255, 255, 0.46);
  font: 500 11px/1.55 "IBM Plex Mono", monospace;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  max-width: none;
  padding: 0 max(var(--gutter), calc((100vw - var(--content)) / 2));
  color: var(--ink);
  background: var(--sheet);
  border-bottom: 1px solid var(--line-dark);
}

.metrics > div {
  min-height: 156px;
  padding: 30px clamp(16px, 2.5vw, 34px) 28px 0;
  border: 0;
}

.metrics > div + div {
  padding-left: clamp(16px, 2.5vw, 34px);
  border-left: 1px solid var(--line);
}

.metrics strong {
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 28px;
  line-height: 1.2;
}

.metrics span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.audience-paths,
.split-section,
.energy-band,
.band,
.carbon-band,
.policy-band,
.applications,
.pilot-section,
.investor-band,
.contact {
  padding: var(--section-pad) max(var(--gutter), calc((100vw - var(--content)) / 2));
}

.section-heading {
  max-width: 880px;
  margin: 0 0 clamp(38px, 5vw, 68px);
}

.section-heading > p:not(.eyebrow),
.section-copy > p,
.pilot-intro > p,
.investor-band > p {
  max-width: var(--measure);
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.75;
}

.audience-paths {
  background: var(--paper);
}

.path-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.path-grid > a {
  display: grid;
  align-content: start;
  min-height: 276px;
  padding: 34px clamp(22px, 3vw, 40px) 30px 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-radius: 0;
  transition: background-color 180ms ease;
}

.path-grid > a + a {
  padding-left: clamp(22px, 3vw, 40px);
  border-left: 1px solid var(--line);
}

.path-grid > a > * {
  transition: transform 220ms cubic-bezier(0.16, 1, 0.3, 1);
}

.path-grid > a:hover {
  background: var(--green-pale);
}

.path-grid > a:hover > * {
  transform: translateX(10px);
}

.path-grid > a > span {
  display: none;
}

.path-grid strong {
  margin-bottom: 16px;
  font-size: 23px;
}

.path-grid p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.path-grid b {
  align-self: end;
  margin-top: 24px;
  color: var(--green);
  font-size: 13px;
}

.path-grid b::after {
  margin-left: 8px;
  content: "→";
}

.policy-spotlight {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 50px;
  align-items: end;
  padding: clamp(62px, 7vw, 92px) max(var(--gutter), calc((100vw - var(--content)) / 2));
  color: #fff;
  background: var(--dark);
  border: 0;
}

.policy-spotlight h2 {
  color: #fff;
}

.policy-spotlight p {
  color: #c9d4cf;
}

.policy-spotlight .button.primary {
  color: #0b2019;
  background: var(--green-bright) !important;
  border-color: var(--green-bright) !important;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: clamp(54px, 7vw, 100px);
  align-items: center;
  background: var(--sheet);
}

.section-copy {
  max-width: 650px;
}

.check-list {
  display: grid;
  gap: 0;
  margin: 34px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-dark);
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 16px 0 16px 32px;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.check-list li::before {
  position: absolute;
  top: 22px;
  left: 0;
  width: 16px;
  height: 6px;
  content: "";
  background: var(--green);
}

.check-list li:nth-child(2)::before {
  background: var(--red);
}

.structure-panel {
  position: relative;
  padding: clamp(24px, 4vw, 50px);
  background: #e7ebe8;
  border: 1px solid var(--line-dark);
  border-radius: 0;
}

.structure-panel::before {
  position: absolute;
  top: 14px;
  left: 14px;
  color: var(--muted);
  content: "MATERIAL SECTION / ABA";
  font: 500 10px/1 "IBM Plex Mono", monospace;
  letter-spacing: 0.04em;
}

.structure-diagram {
  width: 100%;
  border-radius: 0;
  box-shadow: 0 18px 34px rgba(22, 37, 32, 0.12);
}

.energy-band {
  background: #e9edeb;
}

.layout-visual {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(240px, 0.6fr);
  gap: 0;
  align-items: stretch;
  margin: 0 0 34px;
  background: var(--sheet);
  border: 1px solid var(--line-dark);
  border-radius: 0;
  overflow: hidden;
}

.layout-visual img {
  width: 100%;
  height: 100%;
  min-height: 380px;
  padding: 30px;
  object-fit: contain;
  background: var(--sheet);
}

.layout-visual figcaption {
  display: flex;
  align-items: flex-end;
  padding: 32px;
  color: #dce5e1;
  background: var(--dark-raised);
  font-size: 13px;
  line-height: 1.7;
}

.industrial-visual-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 0 0 34px;
}

.industrial-visual-grid figure,
.material-visual-strip figure,
.application-visuals figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--dark);
  border: 0;
  border-radius: 0;
}

.industrial-visual-grid img,
.material-visual-strip img,
.application-visuals img {
  display: block;
  width: 100%;
  height: 280px;
  object-fit: cover;
  filter: saturate(0.78) contrast(1.06);
  transition: transform 500ms cubic-bezier(0.16, 1, 0.3, 1), filter 300ms ease;
}

.industrial-visual-grid figure:hover img,
.material-visual-strip figure:hover img,
.application-visuals figure:hover img {
  filter: saturate(1) contrast(1.02);
  transform: scale(1.025);
}

.industrial-visual-grid figcaption,
.material-visual-strip figcaption,
.application-visuals figcaption {
  min-height: 82px;
  padding: 18px 20px;
  color: #dce5e1;
  background: var(--dark);
  font-size: 12px;
  line-height: 1.6;
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.comparison-grid article {
  min-height: 360px;
  padding: 30px clamp(20px, 2.5vw, 34px) 30px 0;
  background: transparent;
  border: 0;
  border-radius: 0;
}

.comparison-grid article + article {
  padding-left: clamp(20px, 2.5vw, 34px);
  border-left: 1px solid var(--line);
}

.comparison-grid .highlight-card {
  background: var(--green-pale);
}

.comparison-grid .saving-card {
  background: var(--red-pale);
}

.tag,
.policy-region,
.resource-kicker,
.saving {
  display: inline-block;
  margin-bottom: 16px;
  padding: 5px 8px;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--line-dark);
  border-radius: 2px;
  font: 500 10px/1.2 "IBM Plex Mono", monospace;
  letter-spacing: 0.03em;
}

.saving {
  color: var(--red);
  border-color: var(--red);
  font-size: 20px;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line-dark);
}

.value-grid article {
  min-height: 210px;
  padding: 28px clamp(24px, 4vw, 56px) 28px 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
}

.value-grid article:nth-child(even) {
  padding-right: 0;
  padding-left: clamp(24px, 4vw, 56px);
  border-left: 1px solid var(--line);
}

.value-grid p {
  color: var(--muted);
  font-size: 14px;
}

.carbon-band {
  background: var(--dark);
}

.carbon-evidence-content > .section-heading,
.carbon-evidence-content > .material-visual-strip,
.carbon-evidence-content > .carbon-formula,
.carbon-evidence-content > .factor-caption,
.carbon-evidence-content > .factor-table,
.carbon-evidence-content > .carbon-table,
.carbon-evidence-content > .equipment-table,
.carbon-evidence-content > .carbon-note {
  max-width: var(--content);
  margin-right: auto;
  margin-left: auto;
}

.savings-calculator {
  max-width: var(--content);
  margin: 0 auto var(--section-pad);
  padding: 0;
  overflow: hidden;
  color: var(--ink);
  background: var(--sheet);
  border: 1px solid #68736f;
  border-radius: 0;
  box-shadow: 0 28px 58px rgba(0, 0, 0, 0.22);
}

.calculator-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 40px;
  align-items: end;
  padding: clamp(32px, 5vw, 58px);
  color: #fff;
  background: #16221f;
  border-bottom: 1px solid #68736f;
}

.calculator-heading h2 {
  max-width: 18ch;
  color: #fff;
}

.calculator-heading p:not(.eyebrow) {
  color: #c8d4cf;
}

.calculator-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(130px, 1fr));
  gap: 8px;
  align-items: stretch;
}

.calculator-actions .calculator-action:last-child {
  grid-column: 1 / -1;
}

.calculator-actions .button.secondary {
  color: #fff;
  border-color: #73817b;
}

.calculator-summary {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0;
  padding: 0;
  background: #f0f4f1;
  border-bottom: 1px solid var(--line-dark);
}

.calculator-summary > div,
.calculator-summary > div:last-child,
.calculator-summary .summary-total {
  min-height: 126px;
  padding: 24px 20px;
  background: transparent;
  border: 0;
  border-right: 1px solid var(--line);
  border-radius: 0;
}

.calculator-summary > div:last-child {
  border-right: 0;
}

.calculator-summary span,
.calculator-summary .summary-total span {
  display: block;
  min-height: 34px;
  color: var(--muted);
  font: 500 10px/1.45 "IBM Plex Mono", monospace;
}

.calculator-summary strong,
.calculator-summary .summary-total strong {
  display: block;
  margin-top: 14px;
  color: var(--ink);
  font-size: 26px;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.calculator-summary > div.summary-total {
  color: #fff;
  background: var(--green);
}

.calculator-summary > div.summary-total span,
.calculator-summary > div.summary-total strong {
  color: #fff;
}

.calculator-status {
  margin: 0;
  padding: 13px clamp(24px, 4vw, 48px);
  color: #7c2019;
  background: var(--red-pale);
  border-bottom: 1px solid #d6a59f;
  font-size: 13px;
}

.calculator-status:empty {
  display: none;
}

.calculator-block {
  margin: 0;
  padding: clamp(34px, 5vw, 56px);
  border: 0;
  border-bottom: 1px solid var(--line-dark);
  border-radius: 0;
}

.calculator-block-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.65fr);
  gap: 34px;
  align-items: end;
  margin-bottom: 28px;
}

.calculator-block-heading > div {
  align-items: center;
}

.calculator-block-heading h3 {
  margin: 0;
}

.calculator-step {
  min-width: 42px;
  color: var(--green);
  font: 500 12px/1 "IBM Plex Mono", monospace;
}

.calculator-block-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.global-assumptions {
  display: grid;
  grid-template-columns: minmax(210px, 0.7fr) minmax(210px, 0.7fr) minmax(300px, 1.6fr);
  gap: 0;
  margin-bottom: 26px;
  border: 1px solid var(--line-dark);
}

.global-assumptions label,
.global-assumptions > p {
  min-height: 104px;
  padding: 18px;
  background: #f3f6f4;
  border: 0;
  border-right: 1px solid var(--line);
  border-radius: 0;
}

.global-assumptions > p {
  margin: 0;
  color: var(--muted);
  border-right: 0;
  font-size: 11px;
  line-height: 1.55;
}

.global-assumptions label span {
  color: var(--muted);
  font: 500 10px/1.4 "IBM Plex Mono", monospace;
}

.global-assumptions input,
.calculator-table input,
.calculator-table select {
  width: 100%;
  min-height: 39px;
  padding: 8px 9px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line-dark);
  border-radius: 2px;
  font: 600 13px/1.2 "Manrope", sans-serif;
  font-variant-numeric: tabular-nums;
}

.global-assumptions input:focus,
.calculator-table input:focus,
.calculator-table select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 2px rgba(20, 107, 85, 0.18);
  outline: 0;
}

.calculator-table-wrap {
  overflow: auto;
  border: 1px solid var(--line-dark);
  border-radius: 0;
  scrollbar-gutter: stable;
}

.calculator-table {
  width: 100%;
  min-width: 760px;
  border-spacing: 0;
  border-collapse: separate;
  background: #fff;
}

.product-table {
  min-width: 1180px;
}

.calculator-table th {
  position: sticky;
  z-index: 2;
  top: 0;
  padding: 14px 10px;
  color: #dce6e2;
  background: #1c2925;
  border: 0;
  border-right: 1px solid #47544f;
  font: 500 10px/1.45 "IBM Plex Mono", monospace;
  text-align: left;
  white-space: normal;
}

.calculator-table td {
  padding: 10px;
  background: #fff;
  border: 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.calculator-table tbody tr:nth-child(even) td {
  background: #f4f6f5;
}

.calculator-table tbody tr:hover td {
  background: var(--green-pale);
}

.calculator-table tr.is-invalid td {
  background: var(--red-pale);
}

.calculator-output {
  display: block;
  min-width: 82px;
  padding: 8px 4px;
  color: var(--green);
  font: 500 13px/1.2 "IBM Plex Mono", monospace;
  font-variant-numeric: tabular-nums;
}

.calculator-delete {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line-dark);
  border-radius: 2px;
  font-size: 19px;
}

.calculator-delete:hover,
.calculator-delete:focus-visible {
  color: #fff;
  background: var(--red);
  border-color: var(--red);
}

.calculator-delete:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.calculator-add {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  min-height: 40px;
  margin-top: 14px;
  padding: 0 14px;
  color: var(--green);
  background: transparent;
  border: 1px solid var(--green);
  border-radius: 2px;
  font-weight: 700;
}

.calculator-add:hover {
  color: #fff;
  background: var(--green);
}

.calculator-method {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 12px 28px;
  padding: 28px clamp(34px, 5vw, 56px);
  color: #dce6e2;
  background: #15201d;
  border: 0;
  border-radius: 0;
}

.calculator-method strong {
  grid-row: 1 / span 2;
  color: var(--green-bright);
  font: 500 11px/1.4 "IBM Plex Mono", monospace;
}

.calculator-method p,
.calculator-method small {
  margin: 0;
  color: #c0ccc7;
  font-size: 11px;
  line-height: 1.6;
}

.carbon-evidence-content > .section-heading h2 {
  color: #fff;
}

.carbon-evidence-content > .section-heading p {
  color: #c7d1cd;
}

.carbon-evidence {
  max-width: var(--content);
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid #68736f;
  border-radius: 0;
}

.carbon-evidence > summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto 36px;
  gap: 24px;
  align-items: center;
  min-height: 92px;
  padding: 24px 28px;
  color: #fff;
  background: #17231f;
  cursor: pointer;
}

.carbon-evidence > summary span {
  font-size: 17px;
  font-weight: 750;
}

.carbon-evidence > summary small {
  color: #b9c6c1;
  font-size: 11px;
}

.carbon-evidence > summary::after {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--dark);
  content: "+";
  background: var(--green-bright);
  border-radius: 2px;
  font-size: 20px;
}

.carbon-evidence[open] > summary::after {
  content: "−";
}

.carbon-evidence-content {
  padding: clamp(42px, 6vw, 72px) clamp(22px, 4vw, 48px);
  border-top: 1px solid #68736f;
}

.material-visual-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 34px;
}

.carbon-formula {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin-bottom: 30px;
  border-top: 1px solid #65716c;
  border-bottom: 1px solid #65716c;
}

.carbon-formula article {
  padding: 30px 40px 30px 0;
  background: transparent;
  border: 0;
  border-radius: 0;
}

.carbon-formula article + article {
  padding-right: 0;
  padding-left: 40px;
  border-left: 1px solid #65716c;
}

.carbon-formula h3,
.carbon-formula p,
.factor-caption,
.carbon-note {
  color: #e2e9e6;
}

.carbon-formula p,
.factor-caption,
.carbon-note {
  font-size: 12px;
}

.factor-caption,
.carbon-note {
  padding: 18px 20px;
  background: #18231f;
  border: 1px solid #58645f;
}

.factor-table,
.carbon-table,
.equipment-table,
.timeline-summary,
.policy-dates,
.app-table {
  overflow: auto;
  border: 1px solid var(--line-dark);
  border-radius: 0;
}

.factor-row,
.carbon-row,
.equipment-row,
.timeline-row,
.date-row,
.app-table .row {
  min-width: 940px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.factor-row:nth-child(even),
.carbon-row:nth-child(even),
.equipment-row:nth-child(even),
.timeline-row:nth-child(even),
.date-row:nth-child(even),
.app-table .row:nth-child(even) {
  background: #f0f3f1;
}

.factor-row.head,
.carbon-row.head,
.equipment-row.head,
.timeline-row.head,
.date-row.head,
.app-table .row.head {
  color: #dce6e2;
  background: #1c2925;
}

.factor-row span,
.carbon-row span,
.equipment-row span,
.timeline-row span,
.date-row span,
.app-table .row span {
  padding: 14px 12px;
  color: var(--ink-soft);
  border-right: 1px solid var(--line);
  font-size: 11px;
  line-height: 1.55;
}

.factor-row.head span,
.carbon-row.head span,
.equipment-row.head span,
.timeline-row.head span,
.date-row.head span,
.app-table .row.head span {
  color: #dce6e2;
  font-family: "IBM Plex Mono", monospace;
}

.policy-band {
  background: var(--paper);
}

.evidence-disclosure {
  overflow: hidden;
  background: var(--sheet);
  border: 1px solid var(--line-dark);
  border-radius: 0;
}

.evidence-disclosure summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
  min-height: 92px;
  padding: 24px 28px;
  color: #fff;
  background: var(--dark-raised);
  border: 0;
  border-radius: 0;
  cursor: pointer;
}

.evidence-disclosure summary span {
  font-size: 17px;
  font-weight: 700;
}

.evidence-disclosure summary small {
  color: #b9c6c1;
  font-size: 11px;
}

.evidence-disclosure summary::after {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--dark);
  content: "+";
  background: var(--green-bright);
  border-radius: 2px;
  font-size: 20px;
}

.evidence-disclosure[open] summary::after {
  content: "−";
}

.evidence-disclosure[open] > :not(summary) {
  margin-right: 28px;
  margin-left: 28px;
}

.policy-visual {
  margin-top: 28px;
  border-radius: 0;
}

.policy-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
}

.policy-grid article {
  padding: 24px 28px 24px 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
}

.policy-grid article:nth-child(even) {
  padding-right: 0;
  padding-left: 28px;
  border-left: 1px solid var(--line);
}

.policy-grid p,
.policy-note p,
.policy-note li {
  color: var(--muted);
  font-size: 12px;
}

.applications {
  background: var(--sheet);
}

.application-visuals {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 40px;
}

.application-visuals figure:first-child {
  grid-column: span 2;
}

.application-visuals figure:first-child img {
  height: 360px;
}

.application-visuals img {
  height: 250px;
}

.licensing {
  background: #e8ece9;
}

.licensing-steps {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-dark);
}

.licensing-steps > div {
  display: grid;
  grid-template-columns: 54px minmax(150px, 0.6fr) minmax(0, 1.4fr);
  gap: 18px;
  align-items: baseline;
  min-height: 112px;
  padding: 22px 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
}

.licensing-steps span,
.pilot-steps > li > span {
  color: var(--green);
  font: 500 11px/1 "IBM Plex Mono", monospace;
}

.licensing-steps strong {
  font-size: 16px;
}

.licensing-steps p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.pilot-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: clamp(50px, 8vw, 110px);
  color: #fff;
  background: var(--red);
}

.pilot-section h2,
.pilot-section p {
  color: #fff;
}

.pilot-section .button.primary {
  color: var(--ink);
  background: #fff !important;
  border-color: #fff !important;
}

.pilot-steps {
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.55);
  list-style: none;
}

.pilot-steps li {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
}

.pilot-steps > li > span {
  color: #fff;
}

.pilot-steps strong {
  color: #fff;
  font-size: 17px;
}

.pilot-steps p {
  margin: 6px 0 0;
  font-size: 12px;
  opacity: 0.84;
}

.investor-band {
  color: #fff;
  background: var(--dark);
}

.investor-band h2,
.investor-band > p {
  color: #fff;
}

.investor-resource {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 30px;
  align-items: end;
  margin: 44px 0 28px;
  padding: 30px;
  background: var(--dark-raised);
  border: 1px solid #53605a;
  border-radius: 0;
}

.investor-resource h3 {
  color: #fff;
}

.investor-resource p {
  color: #bfcac5;
}

.investor-calculation {
  margin: 0;
  background: #fff;
  border-radius: 0;
  overflow: hidden;
}

.investor-calculation img {
  display: block;
  width: 100%;
  height: auto;
}

.investor-calculation figcaption {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 22px;
  color: var(--ink);
  background: #fff;
  font-size: 12px;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 50px;
  align-items: end;
  background: var(--sheet);
  border: 0;
}

.contact h2 {
  max-width: 18ch;
}

.contact-details {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 28px;
  color: var(--green);
  font: 500 12px/1.5 "IBM Plex Mono", monospace;
}

footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  padding: 26px max(var(--gutter), calc((100vw - var(--content)) / 2));
  color: #b7c3be;
  background: #0a100f;
  border-top: 1px solid #46514d;
  font: 500 10px/1.5 "IBM Plex Mono", monospace;
}

footer span:last-child {
  text-align: right;
}

@media (max-width: 1100px) {
  h1 {
    font-size: 60px;
  }

  h2 {
    font-size: 42px;
  }

  .site-header nav {
    gap: 16px;
  }

  .header-cta {
    display: none;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(180px, 0.42fr);
  }

  .calculator-summary {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .calculator-summary > div:nth-child(3) {
    border-right: 0;
  }

  .calculator-summary > div:nth-child(-n+3) {
    border-bottom: 1px solid var(--line);
  }

  .global-assumptions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .global-assumptions > p {
    grid-column: 1 / -1;
    min-height: auto;
    border-top: 1px solid var(--line);
  }

  .global-assumptions label:nth-child(2) {
    border-right: 0;
  }
}

@media (max-width: 860px) {
  .site-header {
    min-height: 64px;
    padding: 0 20px;
  }

  .site-header::after {
    width: 44vw;
  }

  .brand {
    min-width: 0;
  }

  .menu-toggle {
    display: grid;
    width: 42px;
    height: 42px;
    place-content: center;
    gap: 4px;
    margin-left: auto;
    padding: 0;
    background: transparent;
    border: 1px solid var(--line-dark);
    border-radius: 3px;
  }

  .menu-toggle > span:not(.sr-only) {
    display: block;
    width: 18px;
    height: 1px;
    background: var(--ink);
  }

  .site-header nav {
    position: absolute;
    top: 64px;
    right: 0;
    left: 0;
    display: none;
    padding: 10px 20px 20px;
    background: var(--sheet);
    border-bottom: 1px solid var(--line-dark);
  }

  .site-header.menu-open nav {
    display: grid;
  }

  .site-header nav a {
    padding: 13px 0;
    border-bottom: 1px solid var(--line);
  }

  .header-actions {
    order: initial;
    margin-left: 0;
  }

  .lang-switch select {
    width: 116px;
  }

  .hero {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto;
    min-height: 760px;
    padding: 96px 24px 30px;
    background-position: 58% center;
  }

  .hero::before,
  .hero::after {
    right: 24px;
    width: 22vw;
  }

  .hero-caption {
    grid-column: 1;
    max-width: 48ch;
    justify-self: start;
    padding-left: 0;
  }

  .metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 0 24px;
  }

  .metrics > div:nth-child(3) {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .metrics > div:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .path-grid,
  .comparison-grid,
  .value-grid,
  .policy-grid {
    grid-template-columns: 1fr;
  }

  .path-grid > a,
  .path-grid > a + a,
  .comparison-grid article,
  .comparison-grid article + article,
  .value-grid article,
  .value-grid article:nth-child(even),
  .policy-grid article,
  .policy-grid article:nth-child(even) {
    min-height: 0;
    padding: 26px 0;
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }

  .policy-spotlight,
  .split-section,
  .pilot-section,
  .contact {
    grid-template-columns: 1fr;
  }

  .policy-spotlight {
    align-items: start;
  }

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

  .layout-visual img {
    min-height: 300px;
  }

  .industrial-visual-grid,
  .material-visual-strip,
  .carbon-formula {
    grid-template-columns: 1fr;
  }

  .carbon-formula article,
  .carbon-formula article + article {
    padding: 28px 0;
    border-left: 0;
    border-bottom: 1px solid #65716c;
  }

  .calculator-heading,
  .calculator-block-heading,
  .investor-resource {
    grid-template-columns: 1fr;
  }

  .calculator-actions {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .calculator-actions .calculator-action:last-child {
    grid-column: auto;
  }

  .application-visuals {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .application-visuals figure:first-child {
    grid-column: 1 / -1;
  }

  .licensing-steps > div {
    grid-template-columns: 44px 1fr;
  }

  .licensing-steps p {
    grid-column: 2;
  }

  footer {
    grid-template-columns: 1fr;
  }

  footer span:last-child {
    text-align: left;
  }
}

@media (max-width: 620px) {
  :root {
    --section-pad: 62px;
    --gutter: 20px;
  }

  h1 {
    font-size: 43px;
  }

  h2 {
    font-size: 32px;
  }

  .brand small {
    display: none;
  }

  .lang-switch select {
    width: 94px;
    padding-right: 26px;
    font-size: 11px;
  }

  .hero {
    min-height: 720px;
    padding-top: 78px;
  }

  .hero-copy::before {
    margin-bottom: 24px;
    font-size: 9px;
  }

  .hero .lead {
    font-size: 16px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero-proof {
    grid-template-columns: 1fr;
    margin-top: 28px;
  }

  .hero-proof li {
    min-height: 0;
    padding: 11px 0;
  }

  .hero-proof li + li {
    padding-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    border-left: 0;
  }

  .hero-proof li::before {
    display: inline-block;
    margin: 0 10px 2px 0;
  }

  .hero-caption {
    display: none;
  }

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

  .metrics > div,
  .metrics > div + div,
  .metrics > div:nth-child(3) {
    min-height: 0;
    padding: 24px 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .metrics > div:first-child {
    border-top: 0;
  }

  .industrial-visual-grid,
  .material-visual-strip,
  .application-visuals {
    grid-template-columns: 1fr;
  }

  .application-visuals figure:first-child {
    grid-column: auto;
  }

  .industrial-visual-grid img,
  .material-visual-strip img,
  .application-visuals img,
  .application-visuals figure:first-child img {
    height: 240px;
  }

  .savings-calculator {
    margin-right: calc(var(--gutter) * -1);
    margin-left: calc(var(--gutter) * -1);
    border-right: 0;
    border-left: 0;
  }

  .calculator-heading,
  .calculator-block {
    padding: 28px 20px;
  }

  .calculator-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .calculator-actions .calculator-action:last-child {
    grid-column: 1 / -1;
  }

  .calculator-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .calculator-summary > div,
  .calculator-summary > div:last-child,
  .calculator-summary .summary-total {
    min-height: 112px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .calculator-summary > div:nth-child(even) {
    border-right: 0;
  }

  .calculator-summary strong,
  .calculator-summary .summary-total strong {
    font-size: 20px;
  }

  .global-assumptions {
    grid-template-columns: 1fr;
  }

  .global-assumptions label,
  .global-assumptions label:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .calculator-table-wrap {
    margin-right: -20px;
    border-right: 0;
  }

  .calculator-method {
    grid-template-columns: 1fr;
    padding: 28px 20px;
  }

  .calculator-method strong {
    grid-row: auto;
  }

  .carbon-evidence > summary {
    grid-template-columns: 1fr 36px;
    gap: 8px 18px;
    padding: 20px;
  }

  .carbon-evidence > summary small {
    grid-column: 1;
  }

  .carbon-evidence > summary::after {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .carbon-evidence-content {
    padding: 42px 0;
  }

  .carbon-evidence-content > .section-heading,
  .carbon-evidence-content > .material-visual-strip,
  .carbon-evidence-content > .carbon-formula,
  .carbon-evidence-content > .factor-caption,
  .carbon-evidence-content > .factor-table,
  .carbon-evidence-content > .carbon-table,
  .carbon-evidence-content > .equipment-table,
  .carbon-evidence-content > .carbon-note {
    width: auto;
    margin-right: 20px !important;
    margin-left: 20px !important;
  }

  .evidence-disclosure summary {
    grid-template-columns: 1fr auto;
    padding: 20px;
  }

  .evidence-disclosure summary small {
    grid-column: 1;
  }

  .evidence-disclosure summary::after {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .evidence-disclosure[open] > :not(summary) {
    margin-right: 18px;
    margin-left: 18px;
  }

  .investor-resource-actions,
  .contact > .button {
    display: grid;
    width: 100%;
  }

  .investor-calculation figcaption {
    display: grid;
  }
}

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