:root {
  --page-bg: #ffffff;
  --muted-bg: #f6f5f1;
  --surface: #fbfaf7;
  --text: #111111;
  --muted: #625d56;
  --line: #d9d4ca;
  --line-strong: #111111;
}

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

html {
  scroll-behavior: auto;
}

body {
  margin: 0;
  background: var(--page-bg);
  color: var(--text);
  font-family: "Inter", "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic",
    system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  word-break: keep-all;
  overflow-wrap: break-word;
  font-kerning: normal;
}

.page {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
}

.page main {
  flex: 1;
}

button,
input,
textarea {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

p,
li,
input,
textarea,
label {
  letter-spacing: -0.012em;
}

.container {
  width: min(1240px, calc(100vw - 32px));
  margin: 0 auto;
}

.site-header {
  position: static;
  background: #ffffff;
  border-bottom: 1px solid rgba(17, 17, 17, 0.09);
}

.header-inner {
  min-height: 62px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-right {
  justify-content: flex-end;
}

.nav a,
.brand,
.text-link {
  font-size: 0.9rem;
  font-weight: 600;
}

.nav a,
.text-link {
  color: var(--muted);
}

.brand {
  justify-self: center;
  letter-spacing: -0.05em;
}

.text-link {
  display: inline-flex;
  align-items: center;
}

.page-hero {
  padding: 20px 0 18px;
  border-bottom: 1px solid var(--line);
}

.home-hero-stack {
  display: grid;
  gap: 12px;
}

.home-systems {
  display: grid;
}

.hero-main {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.section-note,
.row-label,
.side-system span,
.strip-item span {
  margin: 0;
  color: var(--muted);
  font-family: "DM Mono", monospace;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-main h1,
.section-head h1,
.section-head h2 {
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.058em;
  line-height: 0.98;
  text-wrap: balance;
}

.hero-main h1,
.section-head h1 {
  font-size: clamp(1.9rem, 2.8vw, 2.6rem);
  max-width: 8ch;
}

.section-head h2 {
  font-size: clamp(1.4rem, 1.8vw, 1.85rem);
  max-width: 12ch;
}

.hero-copy,
.section-copy,
.step-list p,
.ecosystem-row p,
.side-system p,
.strip-item p,
.form-status {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.hero-copy {
  max-width: 25rem;
}

.hero-side-panel,
.step-list,
.ecosystem-preview {
  border-top: 1px solid var(--line-strong);
}

.hero-side-panel .section-note {
  margin-bottom: 8px;
}

.side-system {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.side-system strong,
.strip-item strong,
.ecosystem-row h3,
.step-list h3 {
  display: block;
  margin: 0 0 4px;
  font-size: 0.96rem;
  line-height: 1.25;
  letter-spacing: -0.04em;
}

.signal-strip {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.strip-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.strip-item {
  display: block;
  padding-right: 12px;
}

.strip-item strong {
  margin-top: 6px;
  font-size: 0.94rem;
}

.strip-item.static {
  cursor: default;
}

.section-block {
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.section-grid,
.ecosystem-hero-inner {
  display: grid;
  gap: 12px;
}

.section-body {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(300px, 1fr);
  gap: 24px;
  align-items: start;
}

.step-list article,
.ecosystem-row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.ecosystem-row {
  grid-template-columns: 84px minmax(0, 1fr) auto;
  align-items: start;
}

.page-ecosystem .section-note,
.page-ecosystem .row-label {
  font-family: "Inter", "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic",
    system-ui, sans-serif;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-transform: none;
}

.page-ecosystem {
  background: #fbfaf6;
}

.page-ecosystem .container {
  width: min(1380px, calc(100vw - 40px));
}

.page-ecosystem .site-header {
  background: #fbfaf6;
  border-bottom: 1px solid rgba(17, 17, 17, 0.06);
}

.page-ecosystem .header-inner {
  min-height: 60px;
}

.page-ecosystem .nav {
  gap: 14px;
}

.page-ecosystem .nav a,
.page-ecosystem .text-link,
.page-ecosystem .brand {
  font-size: 0.74rem;
  font-weight: 600;
}

.page-ecosystem .brand {
  letter-spacing: -0.08em;
}

.page-ecosystem main {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: 0 0 22px;
}

.page-ecosystem .section-block {
  padding: 24px 0 40px;
}

.page-ecosystem .section-copy {
  max-width: 34rem;
}

.page-ecosystem .x-home-hero {
  padding: 36px 0 38px;
}

.page-ecosystem .x-hero-copy h1 {
  max-width: 8.2ch;
  font-size: clamp(2.7rem, 5.2vw, 4.45rem);
  line-height: 0.9;
}

.page-ecosystem .x-lede {
  max-width: 28rem;
}

.ecosystem-shell-panel {
  max-width: 500px;
}

.ecosystem-shell-list {
  display: grid;
  gap: 0;
  padding: 6px 14px 0;
}

.ecosystem-shell-list div {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid rgba(17, 17, 17, 0.08);
}

.ecosystem-shell-list div:first-child {
  border-top: none;
}

.ecosystem-shell-list span {
  color: var(--muted);
  font-family: "DM Mono", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ecosystem-shell-list strong {
  font-size: 0.96rem;
  letter-spacing: -0.03em;
}

.page-ecosystem .x-hero-visual::after {
  content: "LIVE";
}

.ecosystem-summary-block {
  padding: 18px 0 16px;
}

.ecosystem-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.ecosystem-summary-item {
  padding: 0;
}

.ecosystem-summary-item span,
.ecosystem-card-type {
  margin: 0;
  color: var(--muted);
  font-family: "Inter", "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic",
    system-ui, sans-serif;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.ecosystem-summary-item strong {
  display: block;
  margin: 8px 0 4px;
  font-size: 1.85rem;
  line-height: 1;
  letter-spacing: -0.06em;
}

.ecosystem-summary-item p,
.ecosystem-card p,
.ecosystem-card-meta span {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

.ecosystem-cards-block {
  padding-top: 22px;
  border-bottom: none;
}

.ecosystem-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.ecosystem-card {
  min-height: 236px;
  padding: 24px;
  border: 1px solid rgba(17, 17, 17, 0.075);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.74),
    rgba(246, 245, 241, 0.9)
  );
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.ecosystem-card:hover {
  transform: translateY(-2px);
  border-color: rgba(17, 17, 17, 0.12);
  box-shadow: 0 10px 24px rgba(17, 17, 17, 0.025);
}

.ecosystem-card h3 {
  margin: 0;
  font-size: 1.34rem;
  line-height: 1.05;
  letter-spacing: -0.05em;
}

.ecosystem-card-meta {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid rgba(17, 17, 17, 0.07);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.ecosystem-card-meta span {
  font-size: 0.84rem;
}

.ecosystem-card-meta a {
  flex-shrink: 0;
  font-size: 0.9rem;
  font-weight: 700;
}

.ecosystem-row a {
  align-self: center;
  color: var(--text);
  font-weight: 600;
}

.preview-action {
  padding-top: 10px;
  display: flex;
  justify-content: flex-end;
}

.ecosystem-catalog {
  gap: 0;
}

.site-footer {
  background: #ffffff;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.footer-inner {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-inner p,
.footer-inner a {
  font-size: 0.88rem;
}

.footer-inner div {
  display: flex;
  gap: 18px;
}

@media (max-width: 1100px) {
  .header-inner,
  .section-body,
  .strip-grid,
  .ecosystem-summary-grid,
  .ecosystem-card-grid {
    grid-template-columns: 1fr;
  }

  .header-inner {
    padding: 14px 0;
  }

  .brand {
    order: -1;
    justify-self: start;
  }

  .nav-right {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(100vw - 20px, 1240px);
  }

  .header-inner,
  .nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 14px;
  }

  .page-hero,
  .section-block {
    padding: 34px 0;
  }

  .hero-main h1,
  .section-head h1,
  .section-head h2 {
    font-size: clamp(1.6rem, 9vw, 2.15rem);
    line-height: 0.99;
  }

  .side-system,
  .step-list article,
  .ecosystem-row {
    grid-template-columns: 1fr;
  }

  .preview-action {
    justify-content: flex-start;
  }

  .footer-inner,
  .footer-inner div {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
  }

  .ecosystem-card {
    min-height: 0;
    padding: 18px;
  }

  .ecosystem-card-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-ecosystem .container {
    width: min(100vw - 24px, 1380px);
  }

  .page-ecosystem .footer-inner {
    min-height: 112px;
  }
}

.page-home-x402 .site-header {
  border-bottom: 1px solid rgba(17, 17, 17, 0.07);
}

.page-home-x402 .header-inner {
  min-height: 64px;
  grid-template-columns: 1fr auto 1fr;
}

.page-home-x402 .nav {
  gap: 16px;
}

.page-home-x402 .nav a,
.page-home-x402 .text-link,
.page-home-x402 .brand {
  font-size: 0.78rem;
}

.x-home-hero {
  padding: 28px 0 22px;
}

.x-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(300px, 0.72fr);
  gap: 48px;
  align-items: start;
}

.x-hero-copy {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.x-kicker,
.x-section-kicker,
.x-metric-item span,
.x-adopted-inner span,
.x-device-label,
.x-device-list span {
  margin: 0;
  color: var(--muted);
  font-family: "DM Mono", monospace;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.x-hero-copy h1,
.x-overview h2,
.x-detail-copy h2,
.x-flow-column h2 {
  margin: 0;
  letter-spacing: -0.06em;
  line-height: 0.94;
  font-weight: 700;
}

.x-hero-copy h1 {
  font-size: clamp(2.6rem, 6vw, 4.7rem);
}

.x-lede,
.x-overview p,
.x-detail-step p,
.x-principles p,
.x-flow-column p,
.x-metric-item p,
.x-code-caption {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.65;
}

.x-lede {
  max-width: 35rem;
}

.x-code-title {
  margin: 18px 0 0;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.x-code-panel {
  border: 1px solid var(--line-strong);
  background: #ffffff;
}

.x-code-top {
  display: flex;
  gap: 8px;
  padding: 12px 14px 0;
}

.x-code-top span {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: rgba(17, 17, 17, 0.16);
}

.x-code-panel pre {
  margin: 0;
  padding: 12px 14px 10px;
  font-family: "DM Mono", monospace;
  font-size: 0.81rem;
  line-height: 1.7;
  white-space: pre-wrap;
}

.x-code-caption {
  padding: 0 14px 14px;
}

.x-hero-visual {
  position: relative;
  min-height: 320px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.x-hero-visual::before {
  content: "";
  position: absolute;
  inset: 32px -10px 0 40px;
  background:
    radial-gradient(circle at 1px 1px, rgba(17, 17, 17, 0.08) 1px, transparent 0),
    linear-gradient(135deg, rgba(17, 17, 17, 0.02), rgba(17, 17, 17, 0));
  background-size: 18px 18px, auto;
  opacity: 0.9;
}

.x-device {
  position: relative;
  width: 212px;
  min-height: 390px;
  border: 1px solid rgba(17, 17, 17, 0.14);
  border-radius: 28px;
  background: linear-gradient(180deg, #ffffff, #f6f5f1);
  box-shadow: 0 24px 50px rgba(17, 17, 17, 0.06);
  z-index: 1;
}

.x-device-screen {
  padding: 22px 18px 70px;
}

.x-device-label {
  margin-bottom: 18px;
}

.x-device-list {
  display: grid;
  gap: 18px;
}

.x-device-list strong {
  display: block;
  margin-top: 4px;
  font-size: 0.96rem;
  letter-spacing: -0.03em;
}

.x-device-bar {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 16px;
  height: 18px;
  border-radius: 999px;
  background: #111111;
}

.x-metrics {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}

.x-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.x-metric-item strong {
  display: block;
  margin: 6px 0 2px;
  font-size: 1.85rem;
  letter-spacing: -0.06em;
  line-height: 1;
}

.x-adopted-row {
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
}

.x-adopted-inner {
  display: flex;
  align-items: center;
  gap: 22px;
}

.x-adopted-inner div {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.x-adopted-inner a {
  font-size: 0.84rem;
  color: var(--muted);
}

.x-overview,
.x-detail-callout,
.x-principles,
.x-flow-compare,
.x-home-cta {
  border-bottom: 1px solid var(--line);
}

.x-overview,
.x-detail-callout,
.x-principles,
.x-flow-compare {
  padding: 36px 0;
}

.x-section-grid,
.x-detail-grid,
.x-flow-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  align-items: start;
}

.x-overview h2,
.x-detail-copy h2,
.x-flow-column h2 {
  font-size: clamp(1.55rem, 2.6vw, 2.6rem);
  max-width: 12ch;
}

.x-detail-card {
  border-top: 1px solid var(--line-strong);
}

.x-detail-step {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.x-detail-step span {
  font-family: "DM Mono", monospace;
  font-size: 0.8rem;
  color: var(--muted);
}

.x-detail-step h3,
.x-principles h3,
.x-flow-column strong {
  margin: 0 0 4px;
  font-size: 1rem;
  letter-spacing: -0.03em;
}

.x-principles-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.x-principles article {
  padding-top: 8px;
}

.x-flow-column ol {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.x-flow-column li {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.x-flow-good {
  color: #0b8f4d;
}

.x-flow-good p,
.x-flow-good .x-section-kicker {
  color: rgba(11, 143, 77, 0.86);
}

.x-home-cta {
  padding: 34px 0;
}

.x-cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
}

.x-cta-inner p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted);
}

.x-cta-inner a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  background: #111111;
  color: #ffffff;
  font-size: 0.88rem;
}

.page-home-x402 .site-footer {
  position: relative;
  overflow: hidden;
  background: #0c0c0c;
  color: rgba(255, 255, 255, 0.84);
  border-top: none;
}

.page-home-x402 .site-footer::after {
  content: "DNC-ai";
  position: absolute;
  left: -20px;
  bottom: -56px;
  font-size: clamp(7rem, 18vw, 14rem);
  letter-spacing: -0.08em;
  color: rgba(255, 255, 255, 0.05);
  font-weight: 800;
  pointer-events: none;
}

.page-home-x402 .footer-inner {
  min-height: 132px;
  position: relative;
  z-index: 1;
}

.page-home-x402 .footer-inner a,
.page-home-x402 .footer-inner p {
  color: rgba(255, 255, 255, 0.78);
}

@media (max-width: 1100px) {
  .x-hero-grid,
  .x-section-grid,
  .x-detail-grid,
  .x-flow-grid,
  .x-metrics-grid,
  .x-principles-grid {
    grid-template-columns: 1fr;
  }

  .x-hero-visual {
    min-height: 240px;
    justify-content: flex-start;
  }

  .x-adopted-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .x-home-hero,
  .x-overview,
  .x-detail-callout,
  .x-principles,
  .x-flow-compare,
  .x-home-cta {
    padding: 28px 0;
  }

  .x-hero-copy h1 {
    font-size: clamp(2.2rem, 14vw, 3.6rem);
  }

  .x-overview h2,
  .x-detail-copy h2,
  .x-flow-column h2 {
    font-size: clamp(1.45rem, 9vw, 2rem);
  }

  .x-device {
    width: 190px;
    min-height: 330px;
  }

  .x-principles-grid {
    gap: 12px;
  }
}

.page-home-x402 {
  background: #fbfaf6;
}

.page-home-x402 .container {
  width: min(1380px, calc(100vw - 40px));
}

.page-home-x402 .site-header {
  background: #fbfaf6;
  border-bottom: 1px solid rgba(17, 17, 17, 0.06);
}

.page-home-x402 .nav a,
.page-home-x402 .text-link,
.page-home-x402 .brand {
  font-size: 0.74rem;
  font-weight: 600;
}

.page-home-x402 .header-inner {
  min-height: 60px;
}

.page-home-x402 .nav {
  gap: 14px;
}

.page-home-x402 .brand {
  letter-spacing: -0.08em;
}

.page-home-x402 .site-footer {
  background: #0b0b0b;
}

.x-home-hero {
  padding: 36px 0 52px;
}

.x-hero-grid {
  grid-template-columns: minmax(0, 0.74fr) minmax(360px, 0.78fr);
  gap: 48px;
  align-items: start;
}

.x-hero-copy {
  gap: 12px;
  max-width: 560px;
}

.x-hero-copy h1 {
  font-size: clamp(3rem, 6vw, 5.2rem);
  line-height: 0.88;
}

.x-lede {
  max-width: 31rem;
  font-size: 0.88rem;
  line-height: 1.55;
}

.x-code-title {
  margin-top: 18px;
  font-size: 0.96rem;
}

.x-code-panel {
  max-width: 500px;
  background: #ffffff;
}

.x-code-panel pre {
  font-size: 0.76rem;
  line-height: 1.68;
}

.x-code-caption {
  font-size: 0.81rem;
  line-height: 1.55;
}

.x-hero-visual {
  min-height: 440px;
  justify-content: flex-end;
  padding-right: 42px;
}

.x-hero-visual::before {
  inset: 16px 0 0 100px;
  opacity: 0.68;
}

.x-hero-visual::after {
  content: "FLOW";
  position: absolute;
  right: -28px;
  top: 86px;
  font-size: clamp(5rem, 12vw, 8rem);
  letter-spacing: -0.08em;
  color: rgba(17, 17, 17, 0.03);
  font-weight: 800;
}

.x-device {
  width: 230px;
  min-height: 430px;
  border-radius: 30px;
  box-shadow: 0 26px 56px rgba(17, 17, 17, 0.06);
}

.x-device-screen {
  padding: 22px 18px 74px;
}

.x-device-list {
  gap: 22px;
}

.x-device-list strong {
  font-size: 0.92rem;
}

.x-metrics {
  padding: 22px 0 20px;
  background: #fbfaf6;
}

.x-metrics-grid {
  gap: 22px;
}

.x-metric-item strong {
  margin: 8px 0 4px;
  font-size: 1.72rem;
}

.x-metric-item p {
  font-size: 0.8rem;
}

.x-adopted-row {
  padding: 14px 0;
  background: #fbfaf6;
}

.x-adopted-inner a {
  font-size: 0.78rem;
}

.x-overview,
.x-detail-callout,
.x-principles,
.x-flow-compare,
.x-scenes,
.x-home-cta,
.x-faq {
  background: #fbfaf6;
}

.x-overview {
  padding: 112px 0 88px;
}

.x-section-grid {
  gap: 72px;
}

.x-overview h2,
.x-detail-copy h2,
.x-flow-column h2,
.x-principles-head h2,
.x-compare-intro h2 {
  font-size: clamp(1.9rem, 3.4vw, 3rem);
  line-height: 0.97;
  letter-spacing: -0.06em;
  margin: 0;
  max-width: 11ch;
}

.x-overview p,
.x-compare-intro p,
.x-faq details p {
  font-size: 0.92rem;
  line-height: 1.7;
}

.x-detail-callout {
  padding: 0 0 98px;
}

.x-detail-grid {
  gap: 72px;
}

.x-detail-card {
  border-top: 1px solid rgba(17, 17, 17, 0.4);
}

.x-detail-step {
  padding: 16px 0;
}

.x-principles {
  padding: 0 0 92px;
}

.x-principles-head {
  padding-bottom: 26px;
}

.x-principles-grid {
  gap: 24px;
}

.x-principles article {
  min-height: 96px;
}

.x-principles p,
.x-flow-column p,
.x-detail-step p,
.x-scene-tile p {
  font-size: 0.84rem;
  line-height: 1.6;
}

.x-flow-compare {
  padding: 0 0 72px;
}

.x-compare-intro {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 72px;
  padding: 0 0 46px;
}

.x-compare-intro h2 {
  max-width: 13ch;
}

.x-flow-grid {
  gap: 46px;
}

.x-flow-column ol {
  margin-top: 14px;
}

.x-flow-column li {
  padding: 16px 0;
}

.x-scenes {
  padding: 0 0 64px;
}

.x-scenes-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.x-scene-tile {
  min-height: 180px;
  padding: 18px;
  border: 1px solid rgba(17, 17, 17, 0.1);
  background: linear-gradient(180deg, rgba(255,255,255,0.72), rgba(244,242,236,0.92));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.x-scene-tile span {
  margin-bottom: auto;
  color: var(--muted);
  font-family: "DM Mono", monospace;
  font-size: 0.72rem;
}

.x-scene-tile strong {
  font-size: 1rem;
  letter-spacing: -0.04em;
}

.x-home-cta {
  padding: 18px 0 80px;
}

.x-cta-inner {
  gap: 12px;
}

.x-cta-inner p {
  font-size: 0.84rem;
}

.x-cta-inner a {
  min-height: 36px;
  padding: 0 14px;
  font-size: 0.76rem;
}

.x-faq {
  padding: 0 0 36px;
}

.x-faq-inner {
  border-top: 1px solid rgba(17, 17, 17, 0.12);
}

.x-faq details {
  border-bottom: 1px solid rgba(17, 17, 17, 0.12);
}

.x-faq .x-section-kicker {
  padding: 18px 0 10px;
}

.x-faq summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 18px 32px 18px 0;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

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

.x-faq summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
}

.x-faq details[open] summary::after {
  content: "−";
}

.x-faq details p {
  margin: 0;
  padding: 0 0 18px;
  max-width: 52rem;
  color: var(--muted);
}

.page-home-x402 .site-footer::after {
  left: -24px;
  bottom: -48px;
  font-size: clamp(8rem, 18vw, 15rem);
}

.page-home-x402 .footer-inner {
  min-height: 180px;
}

@media (max-width: 1100px) {
  .x-compare-intro,
  .x-scenes-grid {
    grid-template-columns: 1fr;
  }

  .x-home-hero {
    padding-bottom: 38px;
  }

  .x-hero-grid,
  .x-section-grid,
  .x-detail-grid,
  .x-flow-grid,
  .x-principles-grid {
    gap: 28px;
  }

  .x-hero-visual {
    justify-content: flex-start;
    padding-right: 0;
  }

  .x-hero-visual::after {
    right: 16px;
  }

  .x-overview {
    padding-top: 72px;
  }
}

@media (max-width: 720px) {
  .page-home-x402 .container {
    width: min(100vw - 24px, 1380px);
  }

  .x-home-hero,
  .x-overview,
  .x-detail-callout,
  .x-principles,
  .x-flow-compare,
  .x-scenes,
  .x-home-cta,
  .x-faq {
    padding-bottom: 28px;
  }

  .x-overview {
    padding-top: 56px;
  }

  .x-device {
    width: 196px;
    min-height: 360px;
  }

  .x-scene-tile {
    min-height: 120px;
  }

  .page-home-x402 .footer-inner {
    min-height: 132px;
  }
}