@font-face {
  font-family: "Chillax";
  src: url("assets/chillax-500.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "Chillax";
  src: url("assets/chillax-600.woff2") format("woff2");
  font-weight: 600;
  font-display: swap;
}

:root {
  --bg: #d5d8d6;
  --surface: #c5c9c7;
  --surface-strong: #b7bcb9;
  --ink: #062b8a;
  --ink-soft: #294b9e;
  --inverse-bg: #062b8a;
  --inverse-surface: #0b3aa5;
  --inverse-ink: #f2f3f1;
  --inverse-muted: #d4d8d6;
  --focus: #f39a49;
  --font-display: "Chillax", "Microsoft YaHei UI", system-ui, sans-serif;
  --font-text: system-ui, sans-serif;
  --step-small: 14px;
  --step-body: 18px;
  --step-lead: clamp(22px, 1.5rem + 0.6vw, 34px);
  --step-head: clamp(38px, 2rem + 3vw, 72px);
  --step-display: clamp(64px, 4rem + 7vw, 138px);
  --margin: clamp(16px, 2.2vw, 32px);
  --gutter: clamp(14px, 1.35vw, 24px);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.76, 0, 0.24, 1);
  --t-press: 140ms;
  --t-hover: 180ms;
  --t-reveal: 820ms;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  color-scheme: light;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-text);
  font-size: var(--step-body);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body,
button,
input {
  font-family: var(--font-text);
}

img {
  display: block;
  max-width: 100%;
}

.image-link {
  display: block;
  cursor: zoom-in;
}

a {
  color: inherit;
}

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

p {
  max-width: 66ch;
  margin: 0;
  text-wrap: pretty;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  text-wrap: balance;
}

h2 {
  font-size: var(--step-head);
  line-height: 1;
  letter-spacing: -0.035em;
}

h3 {
  font-size: var(--step-lead);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

::selection {
  background: var(--focus);
  color: var(--ink);
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.wrap {
  width: min(100%, 1760px);
  margin-inline: auto;
  padding-inline: var(--margin);
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 12px 18px;
  background: var(--inverse-ink);
  color: var(--inverse-bg);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: none;
}

.site-head-field,
.site-footer-field {
  background: var(--inverse-bg);
  color: var(--inverse-ink);
}

.site-head {
  position: relative;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: clamp(20px, 4vw, 64px);
  min-height: 104px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  width: fit-content;
  color: inherit;
  text-decoration: none;
}

.brand img {
  width: 52px;
  height: 52px;
}

.brand-copy {
  display: flex;
  flex-direction: column;
}

.brand-copy strong {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.brand-copy span {
  margin-top: 4px;
  color: var(--inverse-muted);
  font-size: 13px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 16px;
}

.site-nav a,
.head-action {
  text-decoration: none;
  text-underline-offset: 0.22em;
  text-decoration-thickness: 0.08em;
}

.site-nav a {
  text-decoration-color: transparent;
  transition: text-decoration-color var(--t-hover) ease;
}

.head-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  background: var(--inverse-ink);
  color: var(--inverse-bg);
  font-family: var(--font-display);
  font-weight: 600;
  transition: transform var(--t-press) ease, background-color var(--t-hover) ease;
}

.head-action:active,
.button:active,
.closing-card-action:active {
  transform: scale(0.97);
}

.hero {
  min-height: calc(100svh - 104px);
  background: var(--inverse-bg);
  color: var(--inverse-ink);
}

.hero-inner {
  min-height: inherit;
}

.hero-stage {
  min-height: calc(100svh - 104px);
  padding-block: clamp(38px, 6vh, 88px) 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
}

.hero-title {
  position: relative;
  z-index: 2;
  margin-block: clamp(18px, 3vh, 32px);
  font-size: var(--step-display);
  line-height: 0.92;
  letter-spacing: -0.06em;
  text-align: center;
}

.hero-title .line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.09em;
  margin-bottom: -0.09em;
}

.hero-title [data-line] {
  display: block;
}

.hero-controls {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: minmax(260px, 340px) minmax(260px, 340px) minmax(210px, 260px);
  gap: 14px;
  align-items: stretch;
  width: min(920px, 100%);
  margin-top: -12px;
}

[data-ui] {
  color-scheme: light;
}

.hero-control {
  min-height: 102px;
  padding: 16px 18px;
  border-radius: 7px;
  background: var(--inverse-surface);
  color: var(--inverse-ink);
}

.hero-control-cost {
  transform: rotate(-2deg);
}

.hero-control-margin {
  transform: rotate(1.4deg);
}

.hero-control-tax {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transform: rotate(-1.2deg);
}

[data-ui] .control-headline {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

[data-ui] label,
[data-ui] .control-label {
  color: var(--inverse-muted);
  font-size: 14px;
}

[data-ui] output {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

[data-ui] .hero-control-tax strong {
  display: block;
  margin-top: 6px;
  font-size: 18px;
}

[data-ui] input[type="range"] {
  width: 100%;
  height: 20px;
  margin: 14px 0 0;
  accent-color: var(--focus);
  cursor: pointer;
}

[data-ui] .range-ends {
  display: flex;
  justify-content: space-between;
  color: var(--inverse-muted);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

[data-ui] .switch {
  position: relative;
  flex: 0 0 auto;
  width: 52px;
  height: 30px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: var(--focus);
  cursor: pointer;
}

[data-ui] .switch span {
  position: absolute;
  top: 4px;
  left: 26px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--inverse-ink);
  transition: transform var(--t-hover) var(--ease-out);
}

[data-ui] .switch[aria-checked="false"] {
  background: var(--surface-strong);
}

[data-ui] .switch[aria-checked="false"] span {
  transform: translateX(-22px);
}

.hero-result {
  display: block;
  margin-top: 16px;
  color: var(--inverse-muted);
  font-size: 14px;
  text-align: center;
}

.hero-result strong {
  margin-inline: 7px;
  color: var(--inverse-ink);
  font-family: var(--font-display);
  font-size: 28px;
  font-variant-numeric: tabular-nums;
}

.hero-copy {
  display: grid;
  grid-template-columns: minmax(0, 590px) auto auto;
  gap: 20px;
  align-items: center;
  justify-content: center;
  margin-top: clamp(24px, 4vh, 48px);
}

.hero-copy p {
  color: var(--inverse-muted);
  font-size: 16px;
  text-align: right;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 0;
  border-radius: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  text-decoration: none;
  transition: transform var(--t-press) ease, background-color var(--t-hover) ease, color var(--t-hover) ease;
}

.button-primary {
  background: var(--focus);
  color: var(--ink);
}

.button-light {
  background: var(--inverse-ink);
  color: var(--inverse-bg);
}

.text-link {
  color: var(--inverse-ink);
  text-decoration-color: var(--inverse-ink);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.25em;
  white-space: nowrap;
}

.hero-facts {
  align-self: flex-start;
  color: var(--inverse-muted);
  font-size: 14px;
}

.opening {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(300px, 4fr);
  gap: clamp(40px, 8vw, 140px);
  align-items: end;
  padding-block: clamp(110px, 14vw, 220px);
}

.opening h2 {
  max-width: 8ch;
  margin-bottom: 28px;
}

.statement {
  font-family: var(--font-display);
  font-size: var(--step-lead);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.opening-aside p {
  color: var(--ink);
}

.fact-list {
  margin: 38px 0 0;
}

.fact-list div {
  display: grid;
  grid-template-columns: 102px 1fr;
  gap: 16px;
  padding-block: 14px;
  background: var(--surface);
  padding-inline: 16px;
}

.fact-list div + div {
  margin-top: 6px;
}

.fact-list dt {
  color: var(--ink-soft);
  font-size: 14px;
}

.fact-list dd {
  margin: 0;
  font-weight: 600;
}

.section {
  padding-block: clamp(104px, 12vw, 188px);
}

.import-section {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(40px, 6vw, 100px) var(--gutter);
  align-items: start;
  background: var(--surface);
  width: min(1760px, calc(100% - (var(--margin) * 2)));
  margin-inline: auto;
  padding-inline: clamp(20px, 3.2vw, 52px);
}

.import-intro {
  grid-column: 3 / -3;
  text-align: center;
}

.import-intro h2,
.margin-heading h2,
.install-heading h2,
.faq-heading h2 {
  max-width: 9ch;
  margin-bottom: 28px;
}

.import-intro h2 {
  max-width: none;
  margin-inline: auto;
}

.import-intro > p,
.margin-heading > p,
.install-heading > p,
.faq-heading > p {
  color: var(--ink);
  font-size: 19px;
}

.import-intro > p {
  max-width: 62ch;
  margin-inline: auto;
}

.sequence {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 50px);
  margin: 52px 0 0;
  padding: clamp(24px, 3vw, 40px);
  background: var(--bg);
  list-style: none;
  counter-reset: step;
}

.sequence li {
  counter-increment: step;
  position: relative;
  padding: 0;
}

.sequence li::before {
  content: counter(step);
  display: grid;
  width: 30px;
  height: 30px;
  margin-bottom: 20px;
  place-items: center;
  background: var(--ink);
  color: var(--inverse-ink);
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
}

.sequence strong {
  display: block;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 600;
}

.sequence span {
  display: block;
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 16px;
}

.example-note {
  grid-column: 2 / -2;
  margin: 4px auto 0;
  color: var(--ink);
  font-size: 14px;
  text-align: center;
}

.shot-frame {
  margin: 0;
  background: var(--inverse-bg);
  outline: 1px solid var(--inverse-surface);
  outline-offset: -1px;
}

.shot-frame img {
  width: 100%;
  height: auto;
  display: block;
}

.shot-frame figcaption,
.wide-shot figcaption,
.mobile-shot figcaption,
.seal-figure figcaption {
  padding: 13px 16px 15px;
  background: var(--inverse-bg);
  color: var(--inverse-muted);
  font-size: 13px;
  line-height: 1.45;
}

.import-shot {
  grid-column: 1 / -1;
  position: static;
}

.import-notes {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
  margin-top: 8px;
}

.format-note {
  min-height: 200px;
  padding: 24px;
  background: var(--bg);
}

.format-note strong {
  display: block;
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 600;
}

.format-note p {
  margin-top: 46px;
  color: var(--ink);
  font-size: 15px;
}

.trace-section {
  padding-block: clamp(110px, 14vw, 210px) 0;
  background: var(--inverse-bg);
  color: var(--inverse-ink);
}

.trace-layout {
  display: grid;
  grid-template-columns: minmax(290px, 4fr) minmax(0, 8fr);
  gap: clamp(50px, 8vw, 130px);
  align-items: start;
}

.trace-copy {
  position: sticky;
  top: 36px;
  padding-top: clamp(20px, 7vw, 94px);
}

.trace-copy h2 {
  margin-bottom: 28px;
}

.trace-copy > p {
  color: var(--inverse-muted);
  font-size: 18px;
}

.trace-rule {
  margin-top: 46px;
  padding: 22px;
  background: var(--inverse-surface);
  color: var(--inverse-ink);
  font-size: 14px;
}

.trace-rule span {
  display: block;
  color: var(--inverse-muted);
}

.trace-rule strong {
  display: block;
  margin: 5px 0 18px;
  font-size: 16px;
  font-weight: 500;
}

.trace-rule strong:last-child {
  margin-bottom: 0;
}

.print-shot {
  margin: 0;
  transform: translateX(2vw);
}

.print-shot img {
  width: 100%;
  height: auto;
}

.reconcile-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
  padding-block: 54px;
}

.reconcile-strip div {
  min-height: 170px;
  padding: 24px;
  background: var(--inverse-surface);
}

.reconcile-strip span {
  color: var(--inverse-muted);
  font-size: 14px;
}

.reconcile-strip strong {
  display: block;
  margin-top: 58px;
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 500;
  line-height: 1.25;
}

.margin-section {
  width: 100%;
}

.margin-heading {
  display: grid;
  grid-template-columns: minmax(340px, 7fr) minmax(280px, 4fr);
  gap: clamp(40px, 8vw, 150px);
  align-items: end;
  margin-bottom: 54px;
}

.margin-heading h2 {
  margin-bottom: 0;
}

.margin-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 7px;
  margin-bottom: 7px;
}

.margin-metrics div {
  padding: 24px;
  background: var(--surface);
}

.margin-metrics span,
.margin-metrics small {
  display: block;
  color: var(--ink-soft);
  font-size: 14px;
}

.margin-metrics strong {
  display: block;
  margin: 30px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(25px, 2vw, 34px);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}

[data-ui].discount-story {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 7px;
  margin-top: 7px;
}

[data-ui].discount-story > div {
  padding: 20px;
  background: var(--surface-strong);
}

[data-ui].discount-story span,
[data-ui].discount-story strong {
  display: block;
}

[data-ui].discount-story span {
  color: var(--ink);
  font-size: 14px;
}

[data-ui].discount-story strong {
  margin-top: 32px;
  font-family: var(--font-display);
  font-size: clamp(22px, 2vw, 30px);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}

[data-ui].discount-story .discount-story-total {
  background: var(--ink);
  color: var(--inverse-ink);
}

[data-ui].discount-story .discount-story-total span {
  color: var(--inverse-muted);
}

.wide-shot {
  margin: 0;
  background: var(--inverse-bg);
}

.wide-shot img {
  width: 100%;
  height: auto;
}

.wide-shot figcaption {
  padding-inline: 20px;
}

.discount-print-shot {
  margin-top: 7px;
}

.margin-points {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.3fr;
  gap: clamp(28px, 6vw, 100px);
  margin-top: 50px;
}

.margin-points strong {
  display: block;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
}

.margin-points p {
  margin-top: 18px;
  color: var(--ink);
  font-size: 16px;
}

.company-section {
  padding-block: clamp(110px, 14vw, 210px) 0;
  background: var(--inverse-bg);
  color: var(--inverse-ink);
}

.company-layout {
  display: block;
}

.company-copy {
  max-width: 980px;
  margin: 0 auto 64px;
  padding-top: 0;
  text-align: center;
}

.company-copy h2 {
  max-width: none;
  margin: 0 auto 30px;
}

.company-copy > p {
  max-width: 68ch;
  margin-inline: auto;
  color: var(--inverse-muted);
}

.check-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 44px);
  margin: 44px 0 0;
  padding: 0;
  list-style: none;
  text-align: left;
}

.check-list li {
  position: relative;
  padding: 8px 0 8px 32px;
  color: var(--inverse-muted);
  font-size: 17px;
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 16px;
  left: 3px;
  width: 10px;
  height: 10px;
  background: var(--focus);
}

.company-shot {
  width: min(1080px, 100%);
  margin: 0 auto;
  overflow: hidden;
  background: var(--inverse-surface);
}

.company-shot img {
  width: 100%;
  height: auto;
}

.company-page-chrome-shot {
  width: min(1080px, 100%);
  margin: 36px auto 0;
  background: var(--inverse-surface);
}

.company-page-chrome-shot img {
  width: 100%;
  height: auto;
}

.seal-stage {
  display: grid;
  grid-template-columns: minmax(300px, 5fr) minmax(280px, 4fr) minmax(190px, 3fr);
  gap: clamp(28px, 5vw, 88px);
  align-items: center;
  padding-block: clamp(110px, 12vw, 180px);
}

.seal-copy h2 {
  margin-bottom: 28px;
}

.seal-copy p {
  color: var(--inverse-muted);
}

.seal-copy p + p {
  margin-top: 18px;
}

.seal-copy .legal-note {
  color: var(--inverse-ink);
  font-size: 14px;
}

.seal-figure {
  margin: 0;
  background: var(--surface);
}

.seal-figure img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
}

.seal-figure figcaption {
  background: var(--surface);
  color: var(--ink);
}

.seal-options {
  align-self: end;
  padding: 20px;
  background: var(--inverse-surface);
}

.seal-options span,
.seal-options strong {
  display: block;
  padding: 12px 13px;
  font-size: 14px;
  font-weight: 500;
}

.seal-options span {
  background: var(--inverse-ink);
  color: var(--inverse-bg);
}

.seal-options span + span {
  margin-top: 5px;
}

.seal-options strong {
  margin-top: 14px;
  color: var(--inverse-muted);
}

.local-section {
  background: var(--surface);
  padding-block: clamp(110px, 14vw, 210px);
}

.local-layout {
  display: block;
}

.local-copy {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(28px, 6vw, 110px);
  align-items: end;
}

.local-copy h2 {
  max-width: 8ch;
  margin-bottom: 30px;
}

.local-copy > p {
  color: var(--ink);
}

.local-facts {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 7px;
  margin: 44px 0 0;
}

.local-facts div {
  display: block;
  padding: 16px;
  background: var(--bg);
}

.local-facts div + div {
  margin-top: 0;
}

.local-facts dt {
  color: var(--ink-soft);
  font-size: 14px;
}

.local-facts dd {
  margin: 0;
  margin-top: 20px;
  font-size: 16px;
  font-weight: 600;
}

.local-shot {
  width: min(1180px, 100%);
  margin: 48px auto 0;
  background: var(--inverse-bg);
}

.local-shot img {
  width: 100%;
  height: auto;
}

.install-heading {
  display: grid;
  grid-template-columns: minmax(320px, 5fr) minmax(300px, 6fr);
  gap: clamp(40px, 8vw, 150px);
  align-items: end;
  margin-bottom: 64px;
}

.install-heading h2 {
  margin-bottom: 0;
}

.download-panel {
  padding: clamp(24px, 4vw, 54px);
  background: var(--inverse-bg);
  color: var(--inverse-ink);
}

.download-main {
  display: grid;
  grid-template-columns: 96px 1fr auto;
  gap: 28px;
  align-items: center;
}

.download-main img {
  width: 96px;
  height: 96px;
}

.download-main h3 {
  font-size: clamp(29px, 3vw, 44px);
  font-weight: 600;
}

.download-main p {
  margin-top: 8px;
  color: var(--inverse-muted);
  font-size: 15px;
}

.download-button {
  min-width: 176px;
}

.install-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 7px;
  margin: 46px 0 0;
}

.install-facts div {
  padding: 20px;
  background: var(--inverse-surface);
}

.install-facts dt {
  color: var(--inverse-muted);
  font-size: 14px;
}

.install-facts dd {
  margin: 28px 0 0;
  font-size: 16px;
  line-height: 1.35;
}

.download-note {
  max-width: 78ch;
  margin-top: 32px;
  color: var(--inverse-muted);
  font-size: 14px;
}

.upgrade-story {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: clamp(28px, 5vw, 84px);
  margin-top: 82px;
}

.upgrade-story h3 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
}

.upgrade-story p {
  margin-top: 18px;
  color: var(--ink);
  font-size: 16px;
}

.mobile-shot {
  width: min(390px, 100%);
  margin: 90px 0 0 auto;
  background: var(--inverse-bg);
}

.mobile-shot img {
  width: 100%;
  height: auto;
}

.faq-section {
  display: grid;
  grid-template-columns: minmax(300px, 4fr) minmax(0, 8fr);
  gap: clamp(50px, 9vw, 170px);
  padding-block: clamp(120px, 14vw, 220px);
}

.faq-heading {
  align-self: start;
  position: sticky;
  top: 30px;
}

.faq-heading h2 {
  margin-bottom: 28px;
}

.faq-heading p {
  color: var(--ink);
}

.faq-list details {
  background: var(--surface);
}

.faq-list details:nth-child(even) {
  background: var(--surface-strong);
}

.faq-list details + details {
  margin-top: 7px;
}

.faq-list summary {
  position: relative;
  padding: 24px 72px 24px 24px;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 500;
  line-height: 1.25;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 24px;
  translate: 0 -50%;
  font-family: var(--font-text);
  font-size: 28px;
  font-weight: 300;
  transition: transform var(--t-hover) var(--ease-out);
}

.faq-list details[open] summary::after {
  transform: rotate(45deg);
}

.faq-list details p {
  max-width: 62ch;
  padding: 0 72px 26px 24px;
  color: var(--ink);
  font-size: 16px;
}

.closing-section {
  background: var(--inverse-bg);
  color: var(--inverse-ink);
}

.closing-layout {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: clamp(40px, 8vw, 150px);
  align-items: end;
  min-height: 90svh;
  padding-block: 90px 44px;
}

.closing-copy {
  align-self: end;
}

.closing-copy h2 {
  font-size: clamp(56px, 7vw, 112px);
  line-height: 0.92;
  letter-spacing: -0.06em;
}

.closing-copy h2 span {
  display: block;
}

.closing-copy > p {
  margin: 32px 0 30px;
  color: var(--inverse-muted);
}

[data-ui].closing-card {
  align-self: end;
  width: min(440px, 100%);
  margin-left: auto;
  background: var(--inverse-ink);
  color: var(--ink);
  box-shadow: 0 20px 44px rgb(0 0 0 / 0.24);
}

.closing-card-head,
.closing-card-body {
  padding: 20px;
}

.closing-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: var(--surface);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
}

.closing-card-head strong {
  font-size: 14px;
  font-weight: 500;
}

.closing-card-body > p {
  color: var(--ink-soft);
  font-size: 13px;
}

.closing-card-body > strong {
  display: block;
  margin: 7px 0 18px;
  padding: 12px;
  background: var(--bg);
  font-size: 14px;
  font-weight: 500;
  overflow-wrap: anywhere;
}

.shortcut-choices {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 7px 0 18px;
}

.shortcut-choices span {
  padding: 9px 12px;
  background: var(--focus);
  font-size: 13px;
}

.closing-card-action {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  margin: 0 20px 20px;
  background: var(--ink);
  color: var(--inverse-ink);
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  text-decoration: none;
  transition: transform var(--t-press) ease, background-color var(--t-hover) ease;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
  min-height: 98px;
  color: var(--inverse-muted);
  font-size: 14px;
}

.site-footer > p:last-child {
  text-align: right;
}

.site-footer nav {
  display: flex;
  gap: 22px;
}

.site-footer a {
  color: var(--inverse-ink);
  text-decoration-color: transparent;
  text-underline-offset: 0.22em;
  transition: text-decoration-color var(--t-hover) ease;
}

@media (hover: hover) and (pointer: fine) {
  .site-nav a:hover,
  .site-footer a:hover {
    text-decoration-color: currentColor;
  }

  .head-action:hover,
  .button-light:hover {
    background: var(--focus);
    color: var(--ink);
  }

  .button-primary:hover {
    background: var(--inverse-ink);
    color: var(--inverse-bg);
  }

  .closing-card-action:hover {
    background: var(--ink-soft);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .js .hero-title [data-line] {
    transform: translateY(108%);
    animation: line-up 900ms var(--ease-out) forwards;
    animation-delay: calc(var(--i) * 110ms + 120ms);
  }

  .js .hero-result,
  .js .hero-copy,
  .js .hero-facts {
    opacity: 0;
    transform: translateY(18px);
    animation: rise var(--t-reveal) var(--ease-out) forwards;
  }

  .js .hero-control {
    opacity: 0;
    animation: rise var(--t-reveal) var(--ease-out) forwards;
  }

  .js .hero-control:nth-child(1) {
    animation-delay: 380ms;
  }

  .js .hero-control:nth-child(2) {
    animation-delay: 480ms;
  }

  .js .hero-control:nth-child(3) {
    animation-delay: 580ms;
  }

  .js .hero-result {
    animation-delay: 640ms;
  }

  .js .hero-copy {
    animation-delay: 720ms;
  }

  .js .hero-facts {
    animation-delay: 800ms;
  }

  .js [data-reveal] {
    opacity: 0;
    transform: translateY(26px);
    transition:
      opacity 700ms var(--ease-out),
      transform 900ms var(--ease-out);
    transition-delay: calc(var(--d, 0) * 90ms);
  }

  .js [data-reveal].is-in {
    opacity: 1;
    transform: none;
  }

  .js .print-shot img {
    animation: drift-image linear both;
    animation-timeline: view();
    animation-range: entry 0% exit 100%;
  }
}

@keyframes line-up {
  to {
    transform: none;
  }
}

@keyframes rise {
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes drift-image {
  from {
    transform: translateY(-1.5%);
  }
  to {
    transform: translateY(1.5%);
  }
}

@media (max-width: 1100px) {
  .site-head {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    display: none;
  }

  .hero-controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: min(720px, 100%);
  }

  .hero-control-tax {
    grid-column: 1 / -1;
    min-height: 82px;
  }

  .hero-copy {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .hero-copy p {
    grid-column: 1 / -1;
    text-align: center;
  }

  .opening {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }

  .faq-section {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }

  .import-section {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 48px;
  }

  .import-intro,
  .sequence,
  .import-shot,
  .import-notes,
  .example-note {
    grid-column: 1 / -1;
  }

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

  .company-layout,
  .local-layout {
    gap: 48px;
  }

  .margin-heading,
  .install-heading {
    grid-template-columns: 1fr 1fr;
  }

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

  .seal-options {
    grid-column: 1 / -1;
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
  }

  .seal-options span,
  .seal-options strong {
    margin: 0;
  }

  .download-main {
    grid-template-columns: 72px 1fr;
  }

  .download-main img {
    width: 72px;
    height: 72px;
  }

  .download-button {
    grid-column: 1 / -1;
    width: 100%;
  }
}

@media (max-width: 760px) {
  :root {
    --step-body: 17px;
    --step-head: 43px;
    --step-display: clamp(50px, 14vw, 62px);
    --margin: 16px;
  }

  .site-head {
    min-height: 82px;
    gap: 12px;
  }

  .brand img {
    width: 44px;
    height: 44px;
  }

  .brand-copy strong {
    font-size: 20px;
  }

  .brand-copy span {
    display: none;
  }

  .head-action {
    min-height: 44px;
    padding: 0 14px;
    font-size: 15px;
  }

  .hero,
  .hero-inner,
  .hero-stage {
    min-height: auto;
  }

  .hero-stage {
    padding-top: 34px;
    padding-bottom: 26px;
  }

  .hero-kicker {
    font-size: 13px;
  }

  .hero-title {
    margin-block: 30px 26px;
    letter-spacing: -0.055em;
  }

  .hero-controls {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    width: 100%;
    margin-top: 0;
  }

  .hero-control,
  .hero-control-cost,
  .hero-control-margin,
  .hero-control-tax {
    min-height: 88px;
    transform: none;
  }

  .hero-control-tax {
    grid-column: auto;
  }

  .hero-result {
    margin-top: 22px;
  }

  .hero-result strong {
    display: inline;
    margin-inline: 6px;
    font-size: 30px;
  }

  .hero-copy {
    display: flex;
    flex-direction: column;
    gap: 14px;
    width: 100%;
    margin-top: 28px;
  }

  .hero-copy p {
    font-size: 16px;
    text-align: left;
  }

  .hero-copy .button {
    width: 100%;
  }

  .text-link {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }

  .hero-facts {
    align-self: stretch;
    margin-top: 28px;
    font-size: 13px;
    text-align: left;
  }

  .opening,
  .trace-layout,
  .margin-heading,
  .install-heading,
  .faq-section,
  .closing-layout {
    grid-template-columns: 1fr;
  }

  .opening {
    gap: 42px;
    padding-block: 82px;
  }

  .statement {
    font-size: 24px;
  }

  .fact-list div {
    grid-template-columns: 82px 1fr;
  }

  .section {
    padding-block: 82px;
  }

  .import-section {
    grid-template-columns: 1fr;
    width: auto;
    margin-inline: 8px;
    padding-inline: 20px;
    padding-block: 82px;
    gap: 40px;
  }

  .import-intro h2,
  .margin-heading h2,
  .install-heading h2,
  .faq-heading h2 {
    max-width: 12ch;
    margin-bottom: 22px;
  }

  .import-intro > p,
  .margin-heading > p,
  .install-heading > p,
  .faq-heading > p {
    font-size: 17px;
  }

  .sequence {
    grid-template-columns: 1fr;
    margin-top: 34px;
  }

  .import-intro,
  .sequence,
  .import-shot,
  .import-notes,
  .example-note {
    grid-column: 1 / -1;
  }

  .import-shot {
    position: static;
  }

  .shot-frame figcaption,
  .wide-shot figcaption,
  .mobile-shot figcaption,
  .seal-figure figcaption {
    font-size: 13px;
  }

  .import-notes {
    grid-template-columns: 1fr;
  }

  .format-note {
    min-height: auto;
  }

  .format-note p {
    margin-top: 22px;
  }

  .trace-section {
    padding-top: 82px;
  }

  .trace-layout {
    gap: 42px;
  }

  .trace-copy {
    position: static;
    padding-top: 0;
  }

  .print-shot {
    transform: none;
  }

  .reconcile-strip {
    grid-template-columns: 1fr;
    padding-block: 38px;
  }

  .reconcile-strip div {
    min-height: 140px;
  }

  .reconcile-strip strong {
    margin-top: 34px;
  }

  .margin-heading {
    gap: 28px;
    margin-bottom: 36px;
  }

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

  [data-ui].discount-story {
    grid-template-columns: 1fr 1fr;
  }

  [data-ui].discount-story > div {
    padding: 18px;
  }

  .margin-metrics div {
    padding: 18px;
  }

  .margin-metrics strong {
    margin-top: 24px;
    font-size: 24px;
  }

  .margin-points {
    grid-template-columns: 1fr;
    gap: 28px;
    margin-top: 38px;
  }

  .margin-points div {
    padding-left: 20px;
  }

  .company-section {
    padding-top: 82px;
  }

  .company-copy {
    padding-top: 0;
  }

  .check-list {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .check-list li {
    padding-left: 28px;
  }

  .seal-stage {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-block: 82px;
  }

  .seal-figure {
    width: min(430px, 100%);
  }

  .local-section {
    padding-block: 82px;
  }

  .local-layout {
    gap: 38px;
  }

  .local-copy {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .local-facts {
    grid-template-columns: 1fr 1fr;
  }

  .local-facts div {
    display: block;
  }

  .download-panel {
    padding: 20px;
  }

  .download-main {
    grid-template-columns: 64px 1fr;
    gap: 16px;
  }

  .download-main img {
    width: 64px;
    height: 64px;
  }

  .download-main h3 {
    font-size: 28px;
  }

  .install-facts {
    grid-template-columns: 1fr 1fr;
    margin-top: 28px;
  }

  .upgrade-story {
    grid-template-columns: 1fr;
    gap: 28px;
    margin-top: 58px;
  }

  .mobile-shot {
    margin-top: 64px;
  }

  .faq-section {
    gap: 40px;
    padding-block: 92px;
  }

  .faq-heading {
    position: static;
  }

  .faq-list summary {
    padding: 20px 58px 20px 18px;
    font-size: 19px;
  }

  .faq-list details p {
    padding: 0 58px 22px 18px;
  }

  .closing-layout {
    gap: 54px;
    min-height: auto;
    padding-block: 84px 34px;
  }

  .closing-copy h2 {
    font-size: clamp(50px, 14vw, 62px);
  }

  .closing-card {
    margin-left: 0;
  }

  .site-footer {
    grid-template-columns: 1fr;
    gap: 10px;
    padding-block: 30px;
  }

  .site-footer nav {
    flex-wrap: wrap;
  }

  .site-footer > p:last-child {
    text-align: left;
  }
}