:root {
  --bg: #f5f7fb;
  --paper: #ffffff;
  --paper-alt: #f8fafc;
  --ink: #162033;
  --ink-soft: #48566e;
  --ink-faint: #6b7a94;
  --line: #d7dfeb;
  --line-strong: #becadb;
  --accent: #165dff;
  --accent-soft: #e9f0ff;
  --accent-deep: #103ea8;
  --shadow: 0 24px 64px rgba(19, 32, 56, 0.08);
  --shadow-soft: 0 8px 24px rgba(19, 32, 56, 0.06);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 12px;
  --content: 760px;
  --rail: 240px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  color: var(--ink);
  font-family: "Avenir Next", "Avenir", "SF Pro Text", "Segoe UI", sans-serif;
  line-height: 1.65;
  background:
    radial-gradient(900px 420px at 10% -10%, rgba(22, 93, 255, 0.08), transparent 56%),
    linear-gradient(180deg, #f7f9fd 0%, #f2f5fa 100%);
}

a {
  color: var(--accent);
}

a:hover {
  color: var(--accent-deep);
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  background: var(--ink);
  color: #fff;
  padding: 10px 14px;
  border-radius: 10px;
  z-index: 40;
}

.skip-link:focus {
  top: 12px;
}

.stage {
  width: min(1220px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 18px 0 40px;
}

.legal-topbar {
  position: sticky;
  top: 12px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 18px;
  border: 1px solid rgba(183, 196, 216, 0.95);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-soft);
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  min-width: 160px;
  color: inherit;
  text-decoration: none;
  flex-shrink: 0;
}

.brand img {
  width: 94px;
  height: auto;
  border-radius: 0;
}

.nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.button,
button {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 9px 14px;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
  background: #eef3fb;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.button:hover,
button:hover {
  background: #e4edf9;
  border-color: var(--line-strong);
}

.button-soft {
  background: rgba(255, 255, 255, 0.92);
  border-color: var(--line);
}

.button-active {
  background: var(--accent-soft);
  border-color: rgba(22, 93, 255, 0.24);
  color: var(--accent-deep);
}

.button-primary {
  color: #fff;
  background: linear-gradient(180deg, #1864ff 0%, #124ed8 100%);
}

.button-primary:hover {
  color: #fff;
  background: linear-gradient(180deg, #1558e4 0%, #103fb0 100%);
}

.button-utility {
  background: #fff;
  border-color: var(--line);
  color: var(--ink-soft);
}

.button:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(22, 93, 255, 0.26);
  outline-offset: 2px;
}

.app-shell {
  margin-top: 18px;
  border: 1px solid rgba(203, 213, 228, 0.92);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.home-shell {
  min-height: calc(100vh - 160px);
  display: grid;
  place-items: center;
  padding: 48px 24px;
}

.home-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  text-align: center;
  width: 100%;
}

.home-mark {
  width: min(220px, 42vw);
  height: auto;
  display: block;
}

.home-title {
  margin: 0;
  font-family: "Avenir Next", "Avenir", "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: clamp(3rem, 8vw, 5.2rem);
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: #121b2d;
}

.hub-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.9fr);
  gap: 18px;
  padding: 28px;
  border-bottom: 1px solid var(--line);
}

.hub-panel,
.hub-side,
.doc-panel,
.doc-rail,
.policy-card,
.notice,
.contact-card,
.quick-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.hub-panel,
.hub-side,
.doc-panel,
.doc-rail {
  padding: 22px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-faint);
  background: var(--paper-alt);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
}

h1,
h2,
h3,
h4 {
  margin: 0;
  color: #121b2d;
}

h1 {
  margin-top: 16px;
  font-size: clamp(2rem, 4.8vw, 3.7rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.9rem;
  line-height: 1.12;
}

h3 {
  font-size: 1.1rem;
  line-height: 1.3;
}

p,
li {
  color: var(--ink-soft);
}

.lede {
  max-width: 64ch;
  font-size: 1.03rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.meta-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.meta-item {
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.meta-label {
  display: block;
  margin-bottom: 4px;
  color: var(--ink-faint);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.page-section {
  padding: 28px;
  border-top: 1px solid var(--line);
}

.policy-grid,
.contact-grid,
.quick-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.policy-card,
.contact-card,
.quick-card,
.notice {
  padding: 18px;
  box-shadow: 0 3px 12px rgba(19, 32, 56, 0.03);
}

.policy-card p,
.contact-card p,
.quick-card p {
  margin-bottom: 0;
}

.section-kicker {
  margin-bottom: 12px;
  color: var(--ink-faint);
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hub-list {
  margin: 14px 0 0;
  padding-left: 20px;
}

.hub-list li + li {
  margin-top: 8px;
}

.policy-links {
  margin-top: 20px;
  display: grid;
  gap: 10px;
}

.policy-link {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper);
  text-decoration: none;
  color: inherit;
}

.policy-link:hover {
  border-color: rgba(22, 93, 255, 0.26);
  background: #fbfcff;
}

.policy-link strong {
  display: block;
  margin-bottom: 4px;
}

.policy-link span {
  color: var(--ink-faint);
  font-size: 0.92rem;
}

.policy-link code {
  color: var(--ink-faint);
  white-space: nowrap;
  font-size: 0.87rem;
}

.doc-layout {
  display: grid;
  grid-template-columns: minmax(0, var(--content)) minmax(220px, var(--rail));
  gap: 22px;
  align-items: start;
  padding: 28px;
}

.doc-panel {
  min-width: 0;
}

.doc-header {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.doc-summary {
  margin-top: 16px;
  padding: 16px 18px;
  border: 1px solid #dbe5f3;
  border-radius: var(--radius-md);
  background: #f8fbff;
}

.doc-summary ul {
  margin: 10px 0 0;
  padding-left: 20px;
}

.doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 18px;
  color: var(--ink-faint);
  font-size: 0.9rem;
}

.utility-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.article {
  margin-top: 26px;
}

.article section + section {
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.article h2,
.article h3 {
  scroll-margin-top: 88px;
}

.article p {
  margin: 12px 0 0;
}

.article ul,
.article ol {
  margin: 14px 0 0;
  padding-left: 22px;
}

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

.article strong {
  color: var(--ink);
}

.doc-rail {
  position: sticky;
  top: 92px;
}

.rail-label {
  margin-bottom: 10px;
  color: var(--ink-faint);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.toc {
  display: grid;
  gap: 8px;
}

.toc a {
  color: var(--ink-soft);
  text-decoration: none;
  padding: 8px 0;
  border-top: 1px solid var(--line);
  font-size: 0.94rem;
}

.toc a:hover {
  color: var(--accent-deep);
}

.rail-actions {
  margin-top: 18px;
  display: grid;
  gap: 10px;
}

.related-docs {
  margin-top: 32px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.compact-doc {
  padding: 28px;
}

.footer-note {
  margin-top: 14px;
  color: var(--ink-faint);
  font-size: 0.9rem;
}

.reveal {
  animation: reveal 0.28s ease both;
}

@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1080px) {
  .hub-hero,
  .doc-layout {
    grid-template-columns: 1fr;
  }

  .doc-rail {
    position: static;
  }
}

@media (max-width: 760px) {
  .stage {
    width: min(100vw - 20px, 100%);
    padding-top: 10px;
  }

  .legal-topbar {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .hub-hero,
  .page-section,
  .doc-layout,
  .compact-doc {
    padding: 18px;
  }

  .home-shell {
    min-height: auto;
    padding: 40px 20px;
  }

  h1 {
    font-size: clamp(1.8rem, 8vw, 2.6rem);
  }

  .doc-meta {
    flex-direction: column;
    gap: 8px;
  }
}

@media print {
  body {
    background: #fff;
  }

  .stage {
    width: auto;
    padding: 0;
  }

  .legal-topbar,
  .doc-rail,
  .utility-row,
  .related-docs .button-row {
    display: none;
  }

  .app-shell,
  .doc-panel,
  .hub-panel,
  .hub-side {
    box-shadow: none;
    border: 0;
    background: #fff;
  }
}

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

  .reveal,
  .button,
  button {
    animation: none;
    transition: none;
  }
}