:root {
  --bg: #F4F6F8;
  --text: #0A0D12;
  --muted: #55606E;
  --accent: #007F6B;
  --line: rgba(10, 13, 18, 0.14);
  --card: rgba(10, 13, 18, 0.04);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", Inter, "Segoe UI", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #06080B;
    --text: #EEF2F6;
    --muted: #93A0AF;
    --accent: #3CF0D0;
    --line: rgba(238, 242, 246, 0.16);
    --card: rgba(238, 242, 246, 0.04);
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px;
}

a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--bg);
  color: var(--text);
  padding: 8px 12px;
  border: 1px solid var(--accent);
}
.skip:focus { left: 16px; z-index: 10; }

/* Header and nav */
.site-header { border-bottom: 1px solid var(--line); }
.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.brand svg { width: 28px; height: 28px; flex: none; }
nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}
nav a {
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-decoration: none;
  padding: 6px 0;
  display: inline-block;
}
nav a:hover { color: var(--text); }
nav a[aria-current="page"] {
  color: var(--accent);
  box-shadow: 0 1px 0 var(--accent);
}

/* Type */
main { padding: 48px 0 64px; }
h1 {
  font-size: clamp(2rem, 8vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  font-weight: 650;
}
h2 {
  font-size: 1.35rem;
  line-height: 1.3;
  margin: 2.5rem 0 0.75rem;
  letter-spacing: -0.01em;
}
h3 { font-size: 1.05rem; margin: 1.5rem 0 0.5rem; }
p, ul, ol { margin: 0 0 1rem; }
ul, ol { padding-left: 1.25rem; }
li { margin-bottom: 0.4rem; }
li::marker { color: var(--accent); }
strong { font-weight: 650; }

.label {
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin: 0 0 12px;
}
.lede { font-size: 1.15rem; color: var(--muted); max-width: 34em; }
.meta {
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

/* Hero */
.hero { padding: 16px 0 8px; }
.mark { width: 112px; height: 112px; margin-bottom: 24px; display: block; }
.mark .ring { fill: none; stroke: var(--accent); }
.mark .dot { fill: var(--accent); }
.mark .glow { fill: var(--accent); opacity: 0.18; }
.soon {
  display: inline-block;
  margin-top: 8px;
  padding: 8px 14px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
}

/* Cards */
.grid { display: grid; gap: 12px; margin: 32px 0; }
.card {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 12px;
  padding: 18px;
}
.card h2, .card h3 { margin: 0 0 6px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); }
.card .label { color: var(--accent); margin-bottom: 8px; }

.note {
  border-left: 2px solid var(--accent);
  padding: 4px 0 4px 14px;
  color: var(--muted);
  margin: 1.25rem 0;
}

.note p { margin: 0; }

/* FAQ */
details {
  border-top: 1px solid var(--line);
  padding: 4px 0;
}
details:last-of-type { border-bottom: 1px solid var(--line); }
summary {
  cursor: pointer;
  font-weight: 600;
  padding: 12px 0;
  list-style-position: outside;
}
summary::marker { color: var(--accent); }
details > :not(summary) { color: var(--muted); }
details ul { margin-top: 0; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.875rem;
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  padding-top: 20px;
  padding-bottom: 32px;
}
.site-footer ul {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-footer li { margin: 0; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--text); }

@media (min-width: 640px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
  main { padding-top: 72px; }
}

@media (prefers-reduced-motion: no-preference) {
  .mark .glow { animation: pulse 4s ease-in-out infinite; transform-origin: center; }
  @keyframes pulse { 50% { opacity: 0.32; } }
}