*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f0f11;
  --surface: #1a1a1f;
  --border: #2a2a32;
  --accent: #6ee7b7;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --heading: #f8fafc;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1rem;
}

header a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

header nav {
  margin-left: auto;
  display: flex;
  gap: 1.5rem;
}

header nav a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 400;
}

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

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 3rem 2rem 6rem;
}

.badge {
  display: inline-block;
  background: rgba(110,231,183,.12);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}

h1 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--heading);
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.meta {
  color: var(--muted);
  font-size: 0.875rem;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

h2 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--heading);
  margin: 2.5rem 0 0.75rem;
  padding-left: 0.75rem;
  border-left: 3px solid var(--accent);
}

p { margin-bottom: 1rem; color: var(--text); }

ul {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

ul li { margin-bottom: 0.4rem; color: var(--text); }

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

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-top: 3rem;
}

.card p { margin: 0; font-size: 0.9rem; color: var(--muted); }
.card a { color: var(--accent); }

footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}

footer a { color: var(--muted); margin: 0 0.5rem; }
footer a:hover { color: var(--text); }

@media (max-width: 600px) {
  h1 { font-size: 1.75rem; }
  .container { padding: 2rem 1.25rem 4rem; }
}