:root {
  --bg: #0a0a0f;
  --bg-card: #14141c;
  --border: #26262f;
  --text: #f2f2f5;
  --text-dim: #a3a3ad;
  --accent: #ff7a1a;
  --accent-dim: #ff7a1a33;
  --warn-bg: #2a1f0a;
  --warn-border: #a8641a;
  --warn-text: #ffcf8a;
  --max-width: 720px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

header.site-header {
  border-bottom: 1px solid var(--border);
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 960px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 1.1rem;
}

.brand .brand-accent {
  color: var(--accent);
}

nav.site-nav {
  display: flex;
  gap: 20px;
  font-size: 0.9rem;
}

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

nav.site-nav a:hover {
  color: var(--text);
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px 80px;
}

main.wide {
  max-width: 820px;
}

h1 {
  font-size: 2rem;
  line-height: 1.2;
  margin: 0 0 12px;
  text-wrap: balance;
}

h2 {
  font-size: 1.35rem;
  margin: 40px 0 12px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

h2:first-of-type {
  border-top: none;
  padding-top: 0;
}

h3 {
  font-size: 1.05rem;
  margin: 24px 0 8px;
  color: var(--text);
}

p {
  color: var(--text-dim);
  margin: 0 0 16px;
}

.lede {
  font-size: 1.1rem;
  color: var(--text);
}

ul {
  color: var(--text-dim);
  padding-left: 1.3em;
}

li {
  margin-bottom: 6px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 8px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  margin: 24px 0;
}

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

.warning-banner {
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  color: var(--warn-text);
  border-radius: 12px;
  padding: 16px 20px;
  font-size: 0.9rem;
  margin: 0 0 32px;
}

.warning-banner strong {
  color: #ffe0b3;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #14141c;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: 12px;
  text-decoration: none;
  font-size: 0.95rem;
}

.btn:hover {
  filter: brightness(1.08);
}

.btn.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin: 24px 0 8px;
}

.feature-grid .card {
  margin: 0;
}

.feature-grid h3 {
  margin-top: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.signature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-top: 8px;
}

.signature-mark {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin: 16px 0;
}

table, th, td {
  border: 1px solid var(--border);
}

th, td {
  padding: 8px 10px;
  text-align: start;
  color: var(--text-dim);
}

footer.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
}

footer.site-footer a {
  color: var(--text-dim);
  text-decoration: underline;
}

@media (max-width: 560px) {
  header.site-header {
    padding: 14px 18px;
  }
  nav.site-nav {
    gap: 14px;
  }
  main {
    padding: 32px 18px 64px;
  }
  h1 {
    font-size: 1.6rem;
  }
}