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

:root {
  --bg: #0f1117;
  --bg-soft: #161923;
  --card: #1b1f2b;
  --border: #2a3040;
  --text: #e8eaf0;
  --muted: #a2a9bd;
  --accent: #6c8cff;
  --accent-2: #b06cff;
  --radius: 14px;
  --maxw: 780px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f8fc;
    --bg-soft: #ffffff;
    --card: #ffffff;
    --border: #e2e6f0;
    --text: #1a1d26;
    --muted: #5b6377;
    --accent: #3f5fd8;
    --accent-2: #8a3fd8;
  }
}

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  padding-bottom: 16px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: inherit;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.brand svg { display: block; flex: none; }

.site-header nav {
  margin-left: auto;
  display: flex;
  gap: 20px;
  font-size: 15px;
}

.site-header nav a { color: var(--muted); text-decoration: none; }
.site-header nav a:hover { color: var(--text); }

/* Hero */
.hero {
  padding: 64px 0 8px;
  text-align: center;
}

.hero .icon-lg { margin-bottom: 24px; }

h1 {
  font-size: clamp(1.9rem, 6vw, 2.7rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin: 0 0 14px;
}

.tagline {
  color: var(--muted);
  font-size: clamp(1.02rem, 3vw, 1.15rem);
  margin: 0 auto;
  max-width: 46ch;
}

.pill {
  display: inline-block;
  margin-top: 22px;
  padding: 5px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13.5px;
  color: var(--muted);
  background: var(--bg-soft);
}

/* Content */
main { padding-bottom: 40px; }

section { margin-top: 44px; }

h2 {
  font-size: 1.28rem;
  letter-spacing: -0.015em;
  margin: 0 0 12px;
}

h3 {
  font-size: 1.03rem;
  margin: 26px 0 6px;
}

p { margin: 0 0 14px; }

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

ul { margin: 0 0 14px; padding-left: 22px; }
li { margin-bottom: 7px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.grid .card p:last-child { margin-bottom: 0; }
.grid .card h3 { margin-top: 0; }

.scopes {
  list-style: none;
  padding: 0;
  margin: 0;
}

.scopes li {
  display: flex;
  gap: 10px;
  align-items: baseline;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88em;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 6px;
}

.notice {
  border-left: 3px solid var(--accent);
  padding: 2px 0 2px 16px;
  color: var(--muted);
}

.cta {
  display: inline-block;
  margin-top: 6px;
  padding: 11px 20px;
  border-radius: 10px;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 600;
  text-decoration: none;
}

.meta {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 30px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
  margin-top: 56px;
  padding: 26px 0 34px;
  color: var(--muted);
  font-size: 14.5px;
}

.site-footer .wrap {
  display: flex;
  gap: 10px 22px;
  flex-wrap: wrap;
  align-items: center;
}

.site-footer a { color: var(--muted); }
.site-footer .sep { margin-left: auto; }

@media (max-width: 560px) {
  body { font-size: 16px; }
  .hero { padding-top: 44px; }
  section { margin-top: 34px; }
  .card { padding: 18px 18px; }
  .site-footer .sep { margin-left: 0; width: 100%; }
}