:root {
  --bg: #fcf8fb;
  --bg-soft: #f5f3d6;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-solid: #ffffff;
  --surface-muted: #f1ede2;
  --text: #1b1b1d;
  --text-secondary: #404942;
  --text-hint: #707972;
  --line: rgba(32, 97, 64, 0.12);
  --primary: #206140;
  --primary-deep: #122117;
  --primary-soft: #496552;
  --accent: #e6e6af;
  --warm: #e59450;
  --warm-soft: #fff1e5;
  --success: #2d8c61;
  --shadow: 0 14px 32px rgba(18, 33, 23, 0.06);
  --radius-xl: 0;
  --radius-lg: 0;
  --radius-md: 0;
  --radius-sm: 0;
  --container: 1180px;
}

* {
  box-sizing: border-box;
  border-radius: 0 !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans SC", sans-serif;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(230, 230, 175, 0.18) 0, rgba(230, 230, 175, 0.18) 96px, transparent 96px),
    linear-gradient(180deg, #fefcfd 0%, #fcf8fb 40%, #f5f3d6 100%);
}

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

button,
input,
textarea {
  font: inherit;
}

.site-shell {
  width: min(100%, calc(var(--container) + 48px));
  margin: 0 auto;
  padding: 18px 24px 56px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 18px;
  margin-bottom: 22px;
  border: 1px solid rgba(32, 97, 64, 0.1);
  background: rgba(252, 248, 251, 0.96);
  backdrop-filter: none;
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 56px;
  height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #206140;
  border: 1px solid rgba(32, 97, 64, 0.12);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-copy strong {
  font-size: 18px;
  line-height: 1;
  color: var(--primary);
}

.brand-copy small {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: rgba(32, 97, 64, 0.74);
}

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

.nav a {
  font-size: 14px;
  color: var(--text-secondary);
}

.nav-cta {
  padding: 11px 18px;
  color: #fff !important;
  background: var(--primary);
  border: 1px solid var(--primary);
  box-shadow: none;
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(32, 97, 64, 0.14);
  background: var(--surface-solid);
  box-shadow: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: var(--primary);
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.96fr);
  gap: 34px;
  align-items: center;
  min-height: 0;
  padding: 6px 0 12px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(32, 97, 64, 0.72);
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: rgba(32, 97, 64, 0.3);
}

.hero h1,
.section-heading h2,
.vip-copy h2,
.download-copy h2 {
  margin: 0;
  font-size: clamp(40px, 6vw, 74px);
  line-height: 0.98;
  letter-spacing: -0.06em;
  font-weight: 700;
}

.hero-summary,
.section-heading p,
.vip-copy p,
.download-copy p {
  max-width: 620px;
  margin: 22px 0 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-secondary);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.primary-button,
.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.primary-button {
  color: #fff;
  background: var(--primary);
  border: 1px solid var(--primary);
  box-shadow: none;
}

.ghost-button {
  color: var(--primary);
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(32, 97, 64, 0.12);
}

.primary-button:hover,
.ghost-button:hover,
.nav-cta:hover {
  transform: translateY(-1px);
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.hero-points li {
  padding: 11px 14px;
  background: rgba(230, 230, 175, 0.22);
  border: 1px solid rgba(32, 97, 64, 0.08);
  color: var(--text-secondary);
  font-size: 14px;
}

.hero-stage {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orbit {
  position: absolute;
  border: 1px solid rgba(32, 97, 64, 0.12);
  transform: rotate(-8deg);
}

.orbit-large {
  width: 560px;
  height: 560px;
  top: 18px;
  right: -70px;
}

.orbit-small {
  width: 280px;
  height: 280px;
  top: 126px;
  right: 68px;
}

.hero-previews {
  position: relative;
  width: min(100%, 560px);
  min-height: 548px;
}

.preview-card {
  position: absolute;
  border: 1px solid rgba(32, 97, 64, 0.12);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 20px 44px rgba(18, 33, 23, 0.12);
}

.preview-card-primary {
  top: 12px;
  left: 0;
  width: min(100%, 360px);
}

.preview-card-secondary {
  right: 0;
  bottom: 6px;
  width: min(100%, 304px);
  background: rgba(252, 248, 251, 0.98);
}

.preview-cover {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.preview-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.preview-cover-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(18, 33, 23, 0.12), rgba(18, 33, 23, 0.7));
}

.preview-cover-copy {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  color: #fff;
}

.preview-tag,
.preview-item-tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.preview-cover-copy strong {
  display: block;
  margin-top: 10px;
  font-size: 24px;
  line-height: 1.12;
}

.preview-cover-copy p {
  margin: 8px 0 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.84);
}

.preview-section,
.preview-list,
.preview-panel-head,
.preview-checklist {
  padding: 18px;
}

.preview-section {
  border-top: 1px solid rgba(32, 97, 64, 0.08);
}

.preview-section-head,
.preview-panel-head,
.preview-item-top,
.preview-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.preview-section-head h3,
.preview-panel-head h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.2;
  color: var(--primary);
}

.preview-section-head span,
.preview-outline-button,
.preview-panel-head .preview-kicker,
.preview-item em,
.preview-row em {
  font-family: "IBM Plex Mono", monospace;
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.preview-section-head span {
  color: var(--primary);
  background: rgba(230, 230, 175, 0.34);
  padding: 4px 8px;
}

.preview-progress {
  width: 100%;
  height: 8px;
  margin-top: 14px;
  background: rgba(32, 97, 64, 0.08);
}

.preview-progress-bar {
  height: 100%;
  background: var(--primary);
}

.preview-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.preview-metric {
  padding: 12px;
  border: 1px solid rgba(32, 97, 64, 0.08);
  background: rgba(246, 243, 245, 0.72);
}

.preview-metric small,
.preview-kicker {
  display: block;
  color: rgba(32, 97, 64, 0.62);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.preview-metric strong {
  display: block;
  margin-top: 8px;
  font-size: 18px;
  line-height: 1.1;
}

.preview-list {
  border-top: 1px solid rgba(32, 97, 64, 0.08);
}

.preview-row + .preview-row {
  margin-top: 14px;
}

.preview-row span {
  font-size: 15px;
  color: var(--text);
}

.preview-row em {
  color: var(--primary);
}

.preview-row-muted span,
.preview-row-muted em {
  color: var(--text-hint);
}

.preview-panel-head {
  border-bottom: 1px solid rgba(32, 97, 64, 0.08);
}

.preview-outline-button {
  color: var(--primary);
  border: 1px solid rgba(32, 97, 64, 0.14);
  padding: 8px 10px;
}

.preview-checklist {
  display: grid;
  gap: 12px;
}

.preview-item {
  padding: 14px;
  border: 1px solid rgba(32, 97, 64, 0.08);
  background: rgba(255, 255, 255, 0.82);
}

.preview-item-tag {
  color: var(--primary);
  border-color: rgba(32, 97, 64, 0.14);
  background: rgba(230, 230, 175, 0.26);
}

.preview-item em {
  color: var(--primary);
}

.preview-item em.is-pending {
  color: var(--warm);
}

.preview-item strong {
  display: block;
  margin-top: 10px;
  font-size: 17px;
  line-height: 1.25;
}

.preview-item p {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 14px 0 18px;
}

.trust-strip article,
.feature-card,
.journey-step,
.scenario-card,
.vip-card,
.download-card {
  border: 1px solid rgba(32, 97, 64, 0.08);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: none;
  box-shadow: var(--shadow);
}

.trust-strip article {
  padding: 24px;
}

.trust-strip span,
.feature-card span {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  color: rgba(32, 97, 64, 0.64);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.trust-strip strong {
  display: block;
  margin-top: 10px;
  font-size: 24px;
  line-height: 1.15;
}

.trust-strip p {
  margin: 12px 0 0;
  color: var(--text-secondary);
  line-height: 1.72;
}

.section {
  padding: 92px 0 0;
}

.section-heading {
  max-width: 880px;
}

.section-heading.narrow {
  max-width: 760px;
}

.feature-grid,
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.feature-card,
.scenario-card {
  padding: 26px;
}

.feature-card h3,
.journey-step h3,
.scenario-card h3,
.vip-card h3 {
  margin: 14px 0 0;
  font-size: 24px;
  line-height: 1.2;
}

.feature-card p,
.journey-step p,
.scenario-card p,
.vip-card p,
.download-aside p {
  margin: 12px 0 0;
  color: var(--text-secondary);
  line-height: 1.75;
}

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

.journey-step {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 18px;
  align-items: start;
  padding: 24px;
}

.journey-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  background: linear-gradient(180deg, rgba(230, 230, 175, 0.92), rgba(245, 243, 214, 0.5));
  border: 1px solid rgba(32, 97, 64, 0.1);
  color: var(--primary);
  font-family: "IBM Plex Mono", monospace;
  font-size: 26px;
  font-weight: 600;
}

.vip-panel {
  padding: 34px;
  background: linear-gradient(180deg, rgba(18, 33, 23, 0.98), rgba(46, 69, 55, 0.94));
  color: #fff;
  box-shadow: 0 36px 80px rgba(18, 33, 23, 0.24);
}

.vip-copy p {
  color: rgba(255, 255, 255, 0.76);
}

.vip-copy .eyebrow {
  color: rgba(230, 230, 175, 0.84);
}

.vip-copy .eyebrow::before {
  background: rgba(230, 230, 175, 0.38);
}

.vip-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 30px;
}

.vip-card {
  min-height: 100%;
  padding: 28px;
}

.vip-card small,
.download-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 12px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.vip-card-free {
  color: var(--text);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(246, 243, 245, 0.94));
}

.vip-card-free small {
  background: rgba(32, 97, 64, 0.08);
  color: var(--primary);
}

.vip-card-pro {
  color: #fff;
  background: linear-gradient(180deg, rgba(230, 230, 175, 0.16), rgba(229, 148, 80, 0.14));
  border-color: rgba(230, 230, 175, 0.16);
}

.vip-card-pro small {
  background: rgba(230, 230, 175, 0.14);
  color: var(--accent);
}

.vip-card ul {
  margin: 18px 0 0;
  padding-left: 18px;
}

.vip-card li {
  margin-top: 12px;
  line-height: 1.72;
}

.download-card {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  gap: 20px;
  padding: 32px;
}

.download-aside {
  padding: 28px;
  background:
    radial-gradient(circle at top right, rgba(230, 230, 175, 0.26), transparent 34%),
    linear-gradient(180deg, rgba(32, 97, 64, 0.96), rgba(42, 89, 64, 0.96));
  color: #fff;
}

.download-badge {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}

.download-aside p {
  color: rgba(255, 255, 255, 0.78);
}

.info-page {
  min-height: calc(100vh - 180px);
  padding: 24px 0 84px;
}

.info-hero {
  padding: 20px 0 10px;
  border-bottom: 1px solid rgba(32, 97, 64, 0.1);
}

.info-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(34px, 6vw, 56px);
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.info-hero p {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--text-secondary);
  line-height: 1.8;
}

.info-sections {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.info-card {
  padding: 24px;
  border: 1px solid rgba(32, 97, 64, 0.08);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
}

.info-card h2 {
  margin: 0;
  font-size: 24px;
  line-height: 1.2;
}

.info-card p,
.info-card li {
  color: var(--text-secondary);
  line-height: 1.78;
}

.info-card ul {
  margin: 16px 0 0;
  padding-left: 18px;
}

.info-card p + p,
.info-card p + ul,
.info-card ul + p {
  margin-top: 12px;
}

.legal-page .info-hero {
  padding-bottom: 24px;
}

.legal-updated {
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--primary) !important;
}

.legal-layout {
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  margin-top: 28px;
}

.legal-toc {
  position: sticky;
  top: 120px;
  display: grid;
  gap: 10px;
  padding: 18px;
  border: 1px solid rgba(32, 97, 64, 0.08);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
}

.legal-toc strong {
  color: var(--primary);
  font-size: 16px;
}

.legal-toc a {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.45;
}

.legal-toc a:hover {
  color: var(--primary);
}

.legal-article {
  display: grid;
  gap: 18px;
}

.legal-article section,
.sdk-card {
  padding: 26px;
  border: 1px solid rgba(32, 97, 64, 0.08);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
  scroll-margin-top: 112px;
}

.legal-article h2 {
  margin: 0;
  color: var(--primary);
  font-size: 25px;
  line-height: 1.25;
}

.legal-article h3,
.sdk-card h3 {
  margin: 22px 0 0;
  font-size: 18px;
  line-height: 1.35;
  color: var(--primary-deep);
}

.sdk-card h3 {
  margin-top: 0;
  color: var(--primary);
}

.legal-article p,
.legal-article li,
.sdk-card p {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.9;
}

.legal-article p {
  margin: 14px 0 0;
}

.legal-article ul {
  margin: 14px 0 0;
  padding-left: 20px;
}

.legal-article li + li {
  margin-top: 8px;
}

.legal-article a,
.sdk-card a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.legal-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin-top: 16px;
  border: 1px solid rgba(32, 97, 64, 0.08);
}

.legal-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  background: rgba(255, 255, 255, 0.78);
}

.legal-table th,
.legal-table td {
  padding: 14px;
  border-right: 1px solid rgba(32, 97, 64, 0.08);
  border-bottom: 1px solid rgba(32, 97, 64, 0.08);
  text-align: left;
  vertical-align: top;
  line-height: 1.75;
}

.legal-table th {
  color: var(--primary);
  background: rgba(230, 230, 175, 0.28);
  font-weight: 700;
}

.legal-table tr:last-child td {
  border-bottom: 0;
}

.legal-table th:last-child,
.legal-table td:last-child {
  border-right: 0;
}

.sdk-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.sdk-card {
  box-shadow: none;
  background: rgba(252, 248, 251, 0.92);
}

.sdk-card p {
  margin: 10px 0 0;
  font-size: 15px;
}

.download-platforms {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.platform-card {
  padding: 24px;
  border: 1px solid rgba(32, 97, 64, 0.08);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.platform-head h2 {
  margin: 12px 0 0;
  font-size: 26px;
  line-height: 1.15;
}

.platform-badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  background: rgba(230, 230, 175, 0.26);
  border: 1px solid rgba(32, 97, 64, 0.12);
  color: var(--primary);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.qr-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1 / 1;
  width: min(100%, 280px);
  margin-top: 20px;
  border: 1px dashed rgba(32, 97, 64, 0.22);
  background:
    linear-gradient(90deg, rgba(32, 97, 64, 0.04) 1px, transparent 1px) 0 0 / 24px 24px,
    linear-gradient(rgba(32, 97, 64, 0.04) 1px, transparent 1px) 0 0 / 24px 24px,
    rgba(245, 243, 214, 0.26);
}

.qr-placeholder span {
  text-align: center;
  color: var(--primary);
  font-family: "IBM Plex Mono", monospace;
  font-size: 14px;
  line-height: 1.7;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.platform-note {
  margin: 16px 0 0;
  color: var(--text-secondary);
  line-height: 1.78;
}

.footer {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 20px;
  align-items: start;
  margin-top: 100px;
  padding: 34px 0 0;
  border-top: 1px solid rgba(32, 97, 64, 0.1);
}

.footer-brand strong {
  font-size: 22px;
  color: var(--primary);
}

.footer-brand p,
.footer-note,
.footer-icp {
  margin: 12px 0 0;
  color: var(--text-secondary);
  line-height: 1.72;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 18px;
}

.footer-links a {
  color: var(--text-secondary);
}

.footer-icp a,
.info-card a {
  color: var(--primary);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.72s ease, transform 0.72s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .hero,
  .download-card,
  .legal-layout,
  .footer {
    grid-template-columns: 1fr;
  }

  .legal-toc {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .legal-toc strong {
    grid-column: 1 / -1;
  }

  .feature-grid,
  .scenario-grid,
  .journey-list,
  .trust-strip,
  .vip-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .hero-previews {
    min-height: 648px;
  }
}

@media (max-width: 820px) {
  .site-shell {
    padding: 14px 16px 42px;
  }

  .topbar {
    align-items: flex-start;
    padding: 14px 14px 12px;
  }

  .nav-toggle {
    display: inline-block;
    margin-left: auto;
    flex-shrink: 0;
  }

  .nav {
    position: absolute;
    left: 12px;
    right: 12px;
    top: calc(100% + 10px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 14px;
    background: rgba(252, 248, 251, 0.96);
    border: 1px solid rgba(32, 97, 64, 0.08);
    box-shadow: var(--shadow);
  }

  .nav.is-open {
    display: flex;
  }

  .nav a {
    min-height: 48px;
    display: flex;
    align-items: center;
    padding: 0 14px;
    background: rgba(255, 255, 255, 0.8);
  }

  .nav-cta {
    justify-content: center;
  }

  .hero {
    gap: 28px;
    padding-top: 4px;
  }

  .hero h1,
  .section-heading h2,
  .vip-copy h2,
  .download-copy h2 {
    font-size: clamp(34px, 10vw, 52px);
    line-height: 1.04;
  }

  .feature-grid,
  .scenario-grid,
  .journey-list,
  .trust-strip,
  .vip-columns,
  .sdk-list,
  .download-platforms {
    grid-template-columns: 1fr;
  }

  .hero-previews {
    width: 100%;
    min-height: 0;
  }

  .preview-card {
    position: relative;
  }

  .preview-card-primary,
  .preview-card-secondary {
    top: auto;
    right: auto;
    bottom: auto;
    left: auto;
    width: 100%;
  }

  .preview-card-secondary {
    margin-top: 16px;
  }

  .journey-step {
    grid-template-columns: 56px 1fr;
  }

  .journey-index {
    width: 56px;
    height: 56px;
    font-size: 22px;
  }

  .download-card,
  .vip-panel {
    padding: 22px;
  }

  .legal-toc {
    grid-template-columns: 1fr;
  }

  .legal-article section,
  .sdk-card {
    padding: 20px;
  }

  .legal-article h2 {
    font-size: 22px;
  }

  .footer {
    margin-top: 72px;
  }

  .footer-links {
    justify-content: flex-start;
  }
}