:root {
  --bg: #07101f;
  --bg-deep: #0b1428;
  --bg-soft: #101a31;
  --surface: rgba(13, 22, 41, 0.72);
  --surface-strong: rgba(10, 16, 30, 0.92);
  --surface-light: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(236, 204, 151, 0.28);
  --text: #f9f4ec;
  --muted: #bcc5d9;
  --muted-strong: #d7deed;
  --gold: #d8b078;
  --gold-strong: #f0cf9a;
  --rose: #e6c0ac;
  --cyan: #7ad3d5;
  --shadow-xl: 0 28px 90px rgba(0, 0, 0, 0.38);
  --shadow-lg: 0 20px 56px rgba(0, 0, 0, 0.28);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --container: 1200px;
  --header-height: 84px;
  --transition: 220ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 15% 15%, rgba(210, 168, 106, 0.15), transparent 30%),
    radial-gradient(circle at 85% 10%, rgba(122, 211, 213, 0.12), transparent 26%),
    radial-gradient(circle at 65% 40%, rgba(230, 192, 172, 0.14), transparent 24%),
    linear-gradient(180deg, #081120 0%, #0a1224 28%, #07101d 100%);
  min-height: 100vh;
  line-height: 1.65;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  pointer-events: none;
  z-index: -2;
}

body::before {
  top: -180px;
  right: -120px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(216, 176, 120, 0.15), transparent 65%);
  filter: blur(8px);
}

body::after {
  bottom: -220px;
  left: -140px;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(122, 211, 213, 0.1), transparent 68%);
  filter: blur(10px);
}

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

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

button {
  font: inherit;
}

::selection {
  background: rgba(216, 176, 120, 0.32);
  color: #fff;
}

.site-shell {
  position: relative;
  isolation: isolate;
}

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: linear-gradient(180deg, rgba(7, 16, 31, 0.88), rgba(7, 16, 31, 0.54));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.site-header__inner {
  position: relative;
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-height: 48px;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.28);
}

.brand__name {
  display: block;
  font-family: "Avenir Next", "SF Pro Display", "PingFang SC", sans-serif;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand__tag {
  display: block;
  margin-top: 2px;
  font-size: 0.78rem;
  color: rgba(249, 244, 236, 0.62);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.menu-toggle:hover,
.menu-toggle:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--line-strong);
}

.menu-toggle__bars,
.menu-toggle__bars::before,
.menu-toggle__bars::after {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition);
  content: "";
}

.menu-toggle__bars::before {
  transform: translateY(-6px);
}

.menu-toggle__bars::after {
  transform: translateY(4px);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bars {
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bars::before {
  transform: rotate(90deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bars::after {
  opacity: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 16px;
  border-radius: 999px;
  color: rgba(249, 244, 236, 0.74);
  transition: color var(--transition), background var(--transition), transform var(--transition);
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.07);
}

.site-nav a.is-active {
  box-shadow: inset 0 0 0 1px rgba(240, 207, 154, 0.22);
}

.page {
  padding: 32px 0 88px;
}

.section {
  padding: 38px 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--gold-strong);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 42px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(240, 207, 154, 0.75));
}

.display {
  margin: 0;
  font-family: "Avenir Next", "SF Pro Display", "PingFang SC", sans-serif;
  font-size: clamp(2.8rem, 6vw, 5.6rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.display--sm {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.04;
}

.lede {
  max-width: 700px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.55vw, 1.18rem);
}

.section-title {
  margin: 0 0 16px;
  font-family: "Avenir Next", "SF Pro Display", "PingFang SC", sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.section-copy {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.hero {
  position: relative;
  padding-top: 24px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
  gap: 36px;
  align-items: stretch;
}

.hero-copy {
  padding: 34px 0 12px;
}

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

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

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

.button--primary {
  color: #0f1423;
  background: linear-gradient(135deg, #f3d4a2, #ddb47e);
  box-shadow: 0 18px 48px rgba(216, 176, 120, 0.28);
}

.button--secondary {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.inline-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
}

.metric-card,
.glass-card,
.stat-card,
.feature-card,
.phone-mockup,
.legal-card,
.toc-card,
.article-card,
.highlight-card,
.faq-card,
.contact-card,
.value-card,
.role-card,
.cta-band {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(16, 26, 49, 0.88), rgba(10, 16, 30, 0.82));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.metric-card {
  padding: 20px;
}

.metric-card strong {
  display: block;
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--gold-strong);
}

.metric-card span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-visual {
  position: relative;
  min-height: 560px;
}

.hero-orbit {
  position: absolute;
  inset: 0;
  border-radius: calc(var(--radius-xl) + 6px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at top left, rgba(230, 192, 172, 0.2), transparent 42%),
    radial-gradient(circle at bottom right, rgba(122, 211, 213, 0.18), transparent 40%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
}

.hero-orbit::before,
.hero-orbit::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-orbit::before {
  inset: 15% 10%;
}

.hero-orbit::after {
  inset: 28% 18%;
}

.hero-float {
  position: absolute;
  padding: 18px 20px;
  max-width: 240px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-xl);
  animation: floatY 8s ease-in-out infinite;
}

.hero-float:nth-child(2) {
  top: 10%;
  left: 8%;
}

.hero-float:nth-child(3) {
  top: 34%;
  right: 4%;
  animation-delay: -2.6s;
}

.hero-float:nth-child(4) {
  bottom: 14%;
  left: 16%;
  animation-delay: -5.1s;
}

.hero-float__label {
  display: inline-flex;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--gold-strong);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-float p {
  margin: 12px 0 0;
  color: var(--muted-strong);
  font-size: 0.96rem;
}

.hero-centerpiece {
  position: absolute;
  inset: 22% 18% 18%;
  display: grid;
  place-items: center;
  border-radius: 28px;
  border: 1px solid rgba(240, 207, 154, 0.22);
  background:
    radial-gradient(circle at top, rgba(240, 207, 154, 0.18), transparent 36%),
    linear-gradient(180deg, rgba(11, 20, 40, 0.9), rgba(11, 20, 40, 0.55));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), var(--shadow-xl);
}

.hero-centerpiece__ring {
  position: absolute;
  inset: 18%;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-centerpiece__core {
  position: relative;
  width: min(280px, 70%);
  aspect-ratio: 1;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 30% 30%, rgba(240, 207, 154, 0.32), transparent 42%),
    linear-gradient(135deg, rgba(216, 176, 120, 0.24), rgba(122, 211, 213, 0.12));
  border: 1px solid rgba(255, 255, 255, 0.12);
  text-align: center;
}

.hero-centerpiece__core strong {
  display: block;
  margin-bottom: 8px;
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  line-height: 1;
  letter-spacing: -0.06em;
}

.hero-centerpiece__core span {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
}

.grid-3,
.grid-4,
.grid-auto {
  display: grid;
  gap: 18px;
}

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

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid-auto {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.highlight-card,
.feature-card,
.legal-card,
.contact-card,
.value-card,
.role-card {
  padding: 22px;
}

.card-kicker {
  display: inline-flex;
  padding: 6px 11px;
  border-radius: 999px;
  color: var(--gold-strong);
  background: rgba(240, 207, 154, 0.08);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card-title {
  margin: 14px 0 10px;
  font-size: 1.2rem;
  line-height: 1.2;
}

.card-copy,
.feature-card p,
.legal-card p,
.contact-card p,
.value-card p,
.role-card p,
.article-card p,
.article-card li,
.toc-card p,
.faq-card p,
.cta-band p {
  color: var(--muted);
}

.loop-timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.loop-step {
  padding: 20px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.loop-step strong {
  display: block;
  margin-bottom: 10px;
  color: var(--gold-strong);
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.loop-step span {
  display: block;
  font-size: 1.08rem;
  font-weight: 700;
}

.loop-step p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.preview-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: end;
  margin-bottom: 24px;
}

.preview-note {
  max-width: 420px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(240, 207, 154, 0.15);
  background: rgba(240, 207, 154, 0.06);
  color: var(--muted-strong);
  font-size: 0.92rem;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.phone-mockup {
  padding: 18px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.phone-mockup:hover,
.phone-mockup:focus-within {
  transform: translateY(-6px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-xl);
}

.phone-shell {
  position: relative;
  padding: 14px;
  border-radius: 30px;
  background: linear-gradient(180deg, #1d2742, #0e1528);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.phone-notch {
  width: 42%;
  height: 16px;
  margin: 0 auto 12px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.38);
}

.phone-screen {
  border-radius: 24px;
  min-height: 410px;
  padding: 16px;
  background: linear-gradient(180deg, rgba(247, 239, 227, 0.96), rgba(229, 233, 243, 0.88));
  color: #101827;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.screen-row,
.screen-pill,
.screen-card,
.screen-line,
.screen-chart,
.screen-badge {
  border-radius: 999px;
}

.screen-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.screen-pill {
  height: 18px;
  width: 110px;
  background: linear-gradient(90deg, #d0d8ee, #edf0f9);
}

.screen-pill--short {
  width: 64px;
}

.screen-badge {
  height: 22px;
  width: 86px;
  background: linear-gradient(90deg, #f4d0b6, #f8e8cf);
}

.screen-card {
  border-radius: 22px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 12px 30px rgba(16, 24, 39, 0.08);
}

.screen-line {
  height: 10px;
  background: linear-gradient(90deg, #cad5e8, #e7edf9);
}

.screen-line + .screen-line {
  margin-top: 10px;
}

.screen-line--w80 {
  width: 80%;
}

.screen-line--w62 {
  width: 62%;
}

.screen-line--gold {
  background: linear-gradient(90deg, #e1b87c, #f0dbba);
}

.screen-feed {
  display: grid;
  gap: 12px;
}

.screen-avatar-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.screen-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, #d69b7f, #f4d7b5);
}

.screen-chart {
  border-radius: 22px;
  padding: 18px;
  background: linear-gradient(180deg, #121b30, #26355c);
  color: #fff;
}

.screen-chart__bars {
  display: flex;
  align-items: end;
  gap: 10px;
  margin-top: 18px;
  height: 92px;
}

.screen-chart__bars span {
  flex: 1;
  border-radius: 16px 16px 8px 8px;
  background: linear-gradient(180deg, #f1d0a1, #c7925b);
}

.screen-chart__bars span:nth-child(1) { height: 42%; }
.screen-chart__bars span:nth-child(2) { height: 78%; }
.screen-chart__bars span:nth-child(3) { height: 56%; }
.screen-chart__bars span:nth-child(4) { height: 88%; }

.screen-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.screen-grid .screen-card {
  min-height: 94px;
}

.screen-stacks {
  display: grid;
  gap: 10px;
}

.screen-stack {
  padding: 12px;
  border-radius: 18px;
  background: rgba(17, 25, 42, 0.06);
}

.phone-label {
  margin: 16px 4px 0;
}

.phone-label strong {
  display: block;
  font-size: 1rem;
}

.phone-label span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.92rem;
}

.legal-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.legal-card:hover,
.contact-card:hover,
.role-card:hover,
.value-card:hover,
.feature-card:hover,
.highlight-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}

.page-hero {
  padding-top: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(280px, 0.94fr);
  gap: 28px;
  align-items: stretch;
}

.page-hero__panel,
.page-hero__side {
  padding: 28px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(16, 26, 49, 0.9), rgba(10, 16, 30, 0.84));
  box-shadow: var(--shadow-lg);
}

.page-hero__meta {
  display: grid;
  gap: 12px;
}

.meta-chip-list,
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.meta-chip,
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted-strong);
  font-size: 0.9rem;
}

.content-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 22px;
  margin-top: 28px;
}

.toc-card {
  position: sticky;
  top: calc(var(--header-height) + 16px);
  align-self: start;
  padding: 22px;
}

.toc-card h2,
.article-card h2,
.faq-card h3,
.contact-card h3,
.role-card h3,
.value-card h3 {
  margin-top: 0;
}

.toc-card nav {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.toc-card nav a {
  min-height: 42px;
  display: flex;
  align-items: center;
  padding: 0 14px;
  border-radius: 14px;
  color: var(--muted-strong);
  background: rgba(255, 255, 255, 0.03);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.toc-card nav a:hover,
.toc-card nav a:focus-visible {
  transform: translateX(4px);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.article-card {
  padding: 28px;
}

.policy-block + .policy-block,
.content-block + .content-block {
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.policy-block h3,
.content-block h3 {
  margin: 0 0 10px;
  font-size: 1.22rem;
}

.policy-block p,
.content-block p {
  margin: 0;
}

.policy-block p + p,
.content-block p + p,
.content-block ul,
.content-block ol {
  margin-top: 12px;
}

.content-block ul,
.content-block ol {
  padding-left: 1.2rem;
}

.info-banner {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 20px;
  border: 1px solid rgba(240, 207, 154, 0.16);
  background: rgba(240, 207, 154, 0.07);
  color: var(--muted-strong);
}

.faq-list {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.faq-card {
  padding: 18px 20px;
}

.faq-card summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
}

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

.faq-card[open] {
  border-color: var(--line-strong);
}

.faq-card p {
  margin: 12px 0 0;
}

.contact-grid,
.roles-grid,
.values-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 700;
}

.status-pill--ready {
  background: rgba(122, 211, 213, 0.1);
  color: var(--cyan);
}

.status-pill--pending {
  background: rgba(230, 192, 172, 0.12);
  color: var(--rose);
}

.cta-band {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  margin-top: 32px;
  padding: 26px 28px;
}

.site-footer {
  padding: 26px 0 34px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(5, 11, 21, 0.34);
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  align-items: center;
}

.site-footer__meta {
  display: grid;
  gap: 6px;
}

.site-footer__meta p {
  margin: 0;
  color: var(--muted);
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: end;
}

.site-footer__links a {
  color: var(--muted);
}

.site-footer__links a:hover,
.site-footer__links a:focus-visible {
  color: var(--text);
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 600ms ease, transform 600ms ease;
}

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

.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;
}

@keyframes floatY {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@media (max-width: 1120px) {
  .hero-grid,
  .page-hero,
  .content-layout {
    grid-template-columns: 1fr;
  }

  .preview-grid,
  .legal-grid,
  .grid-4,
  .grid-3,
  .loop-timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-visual {
    min-height: 480px;
  }

  .toc-card {
    position: static;
  }
}

@media (max-width: 820px) {
  .page {
    padding-top: 18px;
  }

  .container {
    width: min(var(--container), calc(100% - 28px));
  }

  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 14px;
    right: 14px;
    display: grid;
    gap: 8px;
    padding: 14px;
    border-radius: 22px;
    border: 1px solid var(--line);
    background: rgba(9, 16, 30, 0.94);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity var(--transition), transform var(--transition);
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav a {
    justify-content: center;
  }

  .inline-metrics,
  .preview-grid,
  .legal-grid,
  .grid-4,
  .grid-3,
  .grid-auto,
  .loop-timeline,
  .contact-grid,
  .roles-grid,
  .values-grid {
    grid-template-columns: 1fr;
  }

  .preview-header,
  .cta-band,
  .site-footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-visual {
    min-height: 540px;
  }

  .hero-centerpiece {
    inset: 26% 10% 16%;
  }

  .hero-float:nth-child(2) {
    top: 6%;
    left: 4%;
  }

  .hero-float:nth-child(3) {
    top: 36%;
    right: 2%;
  }

  .hero-float:nth-child(4) {
    left: 8%;
    bottom: 10%;
  }
}

@media (max-width: 560px) {
  .display {
    font-size: clamp(2.35rem, 12vw, 3.45rem);
  }

  .page-hero__panel,
  .page-hero__side,
  .article-card,
  .toc-card,
  .cta-band {
    padding: 22px;
  }

  .hero-visual {
    min-height: 580px;
  }

  .hero-float {
    max-width: 190px;
    padding: 15px 16px;
  }

  .phone-screen {
    min-height: 360px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}