:root {
  --bg: #0b0812;
  --bg-card: #14101f;
  --border: #2a2138;
  --accent: #a855f7;
  --accent-dark: #7c3aed;
  --text: #9ca3af;
  --text-bright: #e5e7eb;
  --white: #ffffff;
  --green: #4ade80;
  --red: #f87171;
}

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

body {
  background: var(--bg);
  background-image: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(124, 58, 237, 0.15), transparent);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  line-height: 1.7;
  min-height: 100vh;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* nav */
nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 0;
}
.logo {
  font-size: 1.4rem; font-weight: 800; color: var(--white);
  text-decoration: none; font-variant: small-caps; letter-spacing: 0.05em;
}
.logo span { color: var(--accent); }
nav .links a {
  color: var(--text); text-decoration: none; margin-left: 28px;
  font-size: 0.95rem; font-variant: small-caps; letter-spacing: 0.06em;
}
nav .links a:hover, nav .links a.active { color: var(--accent); }

/* hero */
.hero { text-align: center; padding: 70px 0 50px; }
.hero .badge {
  display: inline-block; border: 1px solid var(--border); border-radius: 999px;
  padding: 6px 18px; font-size: 0.85rem; color: var(--accent);
  font-variant: small-caps; letter-spacing: 0.1em; margin-bottom: 24px;
  background: rgba(168, 85, 247, 0.06);
}
.hero h1 {
  color: var(--white); font-size: clamp(2.2rem, 6vw, 3.6rem);
  font-variant: small-caps; letter-spacing: 0.02em; line-height: 1.15;
}
.hero h1 span { color: var(--accent); }
.hero p.sub { max-width: 640px; margin: 18px auto 0; font-size: 1.1rem; }

/* ip box */
.ipbox {
  display: inline-flex; align-items: center; gap: 14px; margin-top: 34px;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px;
  padding: 14px 20px;
}
.ipbox code {
  font-family: 'Cascadia Code', 'Fira Code', monospace; font-size: 1.15rem;
  color: var(--white);
}
.ipbox button {
  background: var(--accent-dark); color: var(--white); border: 0; border-radius: 9px;
  padding: 10px 18px; font-size: 0.9rem; cursor: pointer; font-weight: 600;
  font-variant: small-caps; letter-spacing: 0.06em;
}
.ipbox button:hover { background: var(--accent); }
.status { margin-top: 14px; font-size: 0.95rem; }
.status .dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 7px; }
.status .on { background: var(--green); box-shadow: 0 0 8px var(--green); }
.status .off { background: var(--red); }

/* buttons */
.cta-row { margin-top: 30px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block; text-decoration: none; border-radius: 11px; padding: 13px 28px;
  font-weight: 700; font-variant: small-caps; letter-spacing: 0.06em; font-size: 1rem;
}
.btn-primary { background: var(--accent-dark); color: var(--white); }
.btn-primary:hover { background: var(--accent); }
.btn-ghost { border: 1px solid var(--border); color: var(--text-bright); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* sections */
section { padding: 56px 0; }
h2 {
  color: var(--white); font-size: 1.9rem; font-variant: small-caps;
  letter-spacing: 0.03em; margin-bottom: 10px; text-align: center;
}
.section-sub { text-align: center; max-width: 600px; margin: 0 auto 40px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px;
  padding: 26px;
}
.card .icon { font-size: 1.6rem; margin-bottom: 12px; }
.card h3 {
  color: var(--text-bright); font-variant: small-caps; letter-spacing: 0.04em;
  font-size: 1.15rem; margin-bottom: 8px;
}
.card p { font-size: 0.95rem; }

/* steps */
.step { display: flex; gap: 20px; margin-bottom: 28px; align-items: flex-start; }
.step .num {
  flex: 0 0 44px; height: 44px; border-radius: 12px; background: var(--accent-dark);
  color: var(--white); display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.2rem;
}
.step h3 { color: var(--text-bright); margin-bottom: 6px; font-variant: small-caps; }
.step code {
  background: var(--bg-card); border: 1px solid var(--border); padding: 2px 8px;
  border-radius: 6px; color: var(--accent); font-size: 0.95em;
}

/* faq */
details {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
  padding: 18px 22px; margin-bottom: 12px;
}
details summary {
  cursor: pointer; color: var(--text-bright); font-weight: 600; font-size: 1.02rem;
}
details p { margin-top: 12px; }

/* rules list */
ol.rules { list-style: none; counter-reset: r; max-width: 720px; margin: 0 auto; }
ol.rules li {
  counter-increment: r; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 18px 22px 18px 64px; margin-bottom: 12px; position: relative;
  color: var(--text-bright);
}
ol.rules li::before {
  content: counter(r); position: absolute; left: 18px; top: 50%; transform: translateY(-50%);
  width: 30px; height: 30px; background: var(--accent-dark); color: var(--white);
  border-radius: 8px; display: flex; align-items: center; justify-content: center; font-weight: 700;
}
ol.rules li small { display: block; color: var(--text); margin-top: 4px; }

footer {
  border-top: 1px solid var(--border); padding: 30px 0; margin-top: 40px;
  text-align: center; font-size: 0.9rem;
}
footer a { color: var(--accent); text-decoration: none; }

@media (max-width: 640px) {
  nav .links a { margin-left: 16px; font-size: 0.85rem; }
  .hero { padding: 44px 0 36px; }
}