:root {
  --bg: #0f1419;
  --bg-elevated: #171d25;
  --bg-soft: #1c2430;
  --text: #e8eef5;
  --muted: #9aa8b8;
  --accent: #f0a020;
  --accent-soft: rgba(240, 160, 32, 0.14);
  --border: rgba(148, 163, 184, 0.18);
  --ok: #34d399;
  --warn: #fbbf24;
  --radius: 14px;
  --font: "DM Sans", system-ui, sans-serif;
  --display: "Fraunces", Georgia, serif;
  --sidebar: 260px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(1100px 500px at 10% -10%, rgba(240, 160, 32, 0.1), transparent 55%),
    radial-gradient(900px 420px at 100% 0%, rgba(56, 120, 180, 0.08), transparent 50%),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.65;
}

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

.layout {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 100vh;
}

@media (min-width: 960px) {
  .layout { grid-template-columns: var(--sidebar) 1fr; }
}

.sidebar {
  border-bottom: 1px solid var(--border);
  background: rgba(15, 20, 25, 0.92);
  padding: 1rem 1rem 1.25rem;
}

@media (min-width: 960px) {
  .sidebar {
    border-bottom: none;
    border-right: 1px solid var(--border);
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
  }
}

.brand {
  display: inline-block;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
  margin-bottom: 1rem;
}
.brand span { color: var(--accent); }

.nav-group {
  margin: 1rem 0 0.35rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.sidebar nav a {
  display: block;
  padding: 0.4rem 0.55rem;
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
}
.sidebar nav a:hover,
.sidebar nav a[aria-current="page"] {
  color: var(--text);
  background: var(--accent-soft);
  text-decoration: none;
}

.content {
  width: min(760px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3.5rem;
}

.eyebrow {
  margin: 0 0 0.45rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 0.75rem;
  font-family: var(--display);
  font-size: clamp(1.85rem, 3.5vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h2 {
  margin: 2rem 0 0.65rem;
  font-family: var(--display);
  font-size: 1.25rem;
}

h3 {
  margin: 1.25rem 0 0.4rem;
  font-size: 1.02rem;
}

.lede {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.steps {
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 0.75rem;
}

.steps li {
  counter-increment: step;
  position: relative;
  padding: 1rem 1rem 1rem 3.3rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0.95rem;
  top: 1rem;
  width: 1.65rem;
  height: 1.65rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
}
.steps strong {
  display: block;
  margin-bottom: 0.15rem;
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  padding: 1.15rem 1.25rem;
  margin: 1rem 0;
}
.card.muted { background: rgba(23, 29, 37, 0.65); }

.note {
  border-left: 3px solid var(--accent);
  padding: 0.75rem 1rem;
  margin: 1rem 0;
  background: var(--accent-soft);
  border-radius: 0 10px 10px 0;
  color: var(--text);
  font-size: 0.95rem;
}

.tip {
  border-left: 3px solid var(--ok);
  padding: 0.75rem 1rem;
  margin: 1rem 0;
  background: rgba(52, 211, 153, 0.08);
  border-radius: 0 10px 10px 0;
  font-size: 0.95rem;
}

.warn {
  border-left: 3px solid var(--warn);
  padding: 0.75rem 1rem;
  margin: 1rem 0;
  background: rgba(251, 191, 36, 0.08);
  border-radius: 0 10px 10px 0;
  font-size: 0.95rem;
}

ul.clean {
  margin: 0.4rem 0 1rem;
  padding-left: 1.15rem;
  color: var(--muted);
}
ul.clean li { margin: 0.35rem 0; }
ul.clean strong { color: var(--text); }

.path {
  display: inline-block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.86rem;
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: #dbe7f3;
}

.grid-links {
  display: grid;
  gap: 0.65rem;
  grid-template-columns: 1fr;
  margin: 1rem 0 0;
}
@media (min-width: 640px) {
  .grid-links { grid-template-columns: 1fr 1fr; }
}
.grid-links a {
  display: block;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}
.grid-links a:hover {
  border-color: rgba(240, 160, 32, 0.45);
  text-decoration: none;
}
.grid-links a span {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
  font-weight: 400;
  font-size: 0.86rem;
}

.site-footer {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  color: var(--muted);
}
.badge.soon {
  color: var(--warn);
  border-color: rgba(251, 191, 36, 0.35);
  background: rgba(251, 191, 36, 0.08);
}