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

:root {
  --bg:      #0d1117;
  --surface: #161b22;
  --border:  #30363d;
  --text:    #e6edf3;
  --muted:   #8b949e;
  --accent:  #38bdf8;      /* override per site */
  --accent-dim: #0ea5e9;   /* override per site */
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* nav */

nav {
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}

nav .site-name {
  font-weight: 700;
  color: var(--accent);
  font-size: 1rem;
}

nav .siblings {
  display: flex;
  gap: 20px;
}

nav .siblings a {
  color: var(--muted);
}

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

/* header / hero */

header {
  max-width: 760px;
  margin: 0 auto;
  padding: 72px 24px 48px;
}

header h1 {
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--accent);
}

header p.tagline {
  font-size: 1.2rem;
  color: var(--muted);
  margin-top: 12px;
  max-width: 520px;
}

/* cta button */

.cta {
  margin-top: 28px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 0.9rem;
  color: var(--text);
  transition: border-color 0.15s;
}

.cta:hover { border-color: var(--accent); text-decoration: none; }
.cta svg { width: 18px; height: 18px; fill: var(--muted); }

/* screenshot */

.screenshot-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px 64px;
}

.screenshot-wrap img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}

/* content sections */

.sections {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px 96px;
  display: grid;
  gap: 48px;
}

.section h2 {
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.8rem;
}

.section p {
  color: var(--muted);
  max-width: 580px;
}

.section p + p { margin-top: 10px; }

/* numbered steps */

ol.steps {
  list-style: none;
  counter-reset: steps;
  display: grid;
  gap: 16px;
  margin-top: 4px;
}

ol.steps li {
  counter-increment: steps;
  display: flex;
  gap: 14px;
  color: var(--muted);
}

ol.steps li::before {
  content: counter(steps);
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}

/* blockquote */

blockquote {
  border-left: 2px solid var(--border);
  padding-left: 16px;
  margin: 0 0 16px;
  color: var(--muted);
  font-style: italic;
}

/* footer */

footer {
  border-top: 1px solid var(--border);
  padding: 24px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--border);
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

footer a { color: var(--border); }
footer a:hover { color: var(--muted); text-decoration: none; }