:root {
  color-scheme: light dark;
  --background: #fffaf2;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: #ffffff;
  --border: rgba(25, 35, 29, 0.11);
  --text: #171b18;
  --muted: #626a65;
  --body-text: #424944;
  --accent: #008f4d;
  --focus: rgba(0, 143, 77, 0.28);
  --glow: rgba(0, 143, 77, 0.10);
  --shadow: rgba(42, 57, 48, 0.10);
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #0e100e;
    --surface: rgba(27, 30, 28, 0.82);
    --surface-strong: #1d211e;
    --border: rgba(255, 255, 255, 0.11);
    --text: #f4f7f4;
    --muted: #a4ada7;
    --body-text: #c7cec9;
    --accent: #00c76e;
    --focus: rgba(0, 199, 110, 0.30);
    --glow: rgba(0, 199, 110, 0.12);
    --shadow: rgba(0, 0, 0, 0.42);
  }
}

* {
  box-sizing: border-box;
}

html {
  background: var(--background);
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 50% -10%, var(--glow), transparent 34rem),
    var(--background);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans", sans-serif;
  min-height: 100vh;
}

a {
  color: inherit;
}

.site-shell,
.document-shell {
  width: min(100% - 32px, 760px);
  margin: 0 auto;
  padding: 64px 0 80px;
}

.hero {
  display: grid;
  justify-items: center;
  text-align: center;
  padding: 40px 0 44px;
}

.app-icon {
  border-radius: 24%;
  box-shadow: 0 18px 52px var(--shadow);
}

.hero > h1 {
  margin-top: 40px;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  margin: 24px 0 8px;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(2.3rem, 8vw, 4.5rem);
  letter-spacing: -0.045em;
  line-height: 1;
  margin-bottom: 20px;
}

.lede {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.75;
  max-width: 580px;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.link-card {
  align-content: center;
  background: linear-gradient(145deg, var(--surface-strong), var(--surface));
  border: 1px solid var(--border);
  border-radius: 24px;
  display: grid;
  gap: 14px;
  min-height: 138px;
  padding: 26px;
  text-decoration: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.link-card:hover,
.link-card:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 14px 32px var(--shadow);
  transform: translateY(-2px);
}

.link-card:focus-visible,
.text-link:focus-visible,
.back-link:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.link-card strong {
  color: var(--accent);
  font-size: 1.18rem;
}

.link-card > span:last-child {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.document-header {
  border-bottom: 1px solid var(--border);
  margin-bottom: 36px;
  padding-bottom: 28px;
}

.back-link,
.text-link {
  color: var(--accent);
  font-weight: 650;
  text-decoration: none;
}

.back-link {
  display: inline-block;
  margin-bottom: 42px;
}

.document-header h1 {
  font-size: clamp(2.2rem, 7vw, 3.7rem);
}

.support-header h1 {
  font-size: clamp(1.9rem, 5.5vw, 2.8rem);
}

.updated {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 0;
}

.document-section {
  border-bottom: 1px solid var(--border);
  padding: 8px 0 30px;
  margin-bottom: 30px;
}

.document-section h2 {
  font-size: 1.18rem;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.document-section p,
.document-section li {
  color: var(--body-text);
  line-height: 1.8;
}

.document-section ul {
  padding-left: 1.4rem;
}

.document-footer {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.7;
  padding-top: 12px;
}

@media (max-width: 620px) {
  .site-shell,
  .document-shell {
    padding-top: 34px;
  }

  .hero {
    padding-top: 26px;
  }

  .hero > h1 {
    margin-top: 32px;
  }

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

  .link-card {
    min-height: 124px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .link-card {
    transition: none;
  }
}

.portal-nav{max-width:900px;margin:auto;padding:20px 24px;font-size:14px}.portal-nav a{color:inherit}