:root {
  color-scheme: dark light;
  --bg: #0b0d10;
  --surface: #14181d;
  --surface-2: #1b2027;
  --line: #2a323b;
  --text: #e8ecf1;
  --muted: #8a939d;
  --accent: #4ade80;
  --live: #ff3b3b;
  --link: #6fa8ff;
  --max-w: 760px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7f9;
    --surface: #ffffff;
    --surface-2: #f1f3f6;
    --line: #d8dde3;
    --text: #11161c;
    --muted: #5e6772;
    --accent: #16a34a;
    --live: #d6233a;
    --link: #2f6fe0;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

a { color: var(--link); }
a:hover { text-decoration: underline; }

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  text-decoration: none;
  color: var(--text);
  font-size: 15px;
}
.brand-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--live);
  animation: pulse 1.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.55; }
}
.nav {
  display: flex;
  gap: 18px;
  font-size: 14px;
}
.nav a {
  color: var(--muted);
  text-decoration: none;
}
.nav a:hover, .nav a.active {
  color: var(--text);
}

main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 36px 20px 64px;
}

.hero {
  padding: 28px 0 24px;
}
.hero h1 {
  font-size: clamp(28px, 4vw, 40px);
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}
.hero p.lede {
  font-size: 17px;
  color: var(--muted);
  margin: 0 0 22px;
  max-width: 60ch;
}
.cta-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: 9999px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background-color 120ms ease, border-color 120ms ease;
}
.btn-primary {
  background: var(--text);
  color: var(--bg);
}
.btn-primary:hover { opacity: 0.92; }
.btn-ghost {
  border-color: var(--line);
  color: var(--text);
}
.btn-ghost:hover { background: var(--surface-2); text-decoration: none; }

section.block {
  margin: 36px 0 0;
}
section.block h2 {
  font-size: 20px;
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}
section.block h3 {
  font-size: 15px;
  margin: 18px 0 6px;
  color: var(--text);
}
section.block p, section.block li {
  color: var(--text);
  font-size: 15px;
}
section.block p.muted, .muted {
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
}
.card h3 {
  margin: 0 0 4px;
  font-size: 14px;
}
.card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

ul.bullet {
  padding-left: 18px;
}
ul.bullet li { margin: 4px 0; }

.steps {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}
.steps li {
  position: relative;
  padding: 10px 14px 10px 42px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 14px;
}
.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
}

.legal h2 {
  font-size: 18px;
  margin: 22px 0 6px;
}
.legal p, .legal li { font-size: 15px; }
.legal .updated {
  color: var(--muted);
  font-size: 13px;
}

footer.footer {
  border-top: 1px solid var(--line);
  margin-top: 64px;
  padding: 22px 20px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}
footer.footer a { color: var(--muted); }

.code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
  font-size: 13px;
  background: var(--surface-2);
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid var(--line);
}