.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav nav { display: flex; gap: 28px; }
.nav nav a { color: var(--muted); text-decoration: none; font-size: .95rem; }
.nav nav a:hover { color: var(--text); }

/* ── hero ─────────────────────────────────────────────── */
.hero { text-align: center; padding: 96px 0 112px; }
.mark { width: 72px; height: 72px; border-radius: 18px; margin-bottom: 32px; }
.hero h1 { font-size: clamp(2.2rem, 5.5vw, 3.6rem); margin: 0 0 20px; }
.lead { color: var(--muted); font-size: 1.1rem; max-width: 520px; margin: 0 auto 40px; }

.ip {
  display: inline-flex; align-items: center; gap: 14px;
  border: 1px solid var(--line-2); border-radius: 12px; padding: 6px 6px 6px 16px; background: var(--surface);
}
.ip-label { color: var(--faint); font-size: .8rem; }
.ip-addr { font-family: var(--mono); font-size: 1.05rem; }
.ip-copy {
  height: 36px; padding: 0 14px; border-radius: 8px; border: 0;
  background: var(--accent); color: #000; font-weight: 600; font-size: .9rem;
}
.ip-copy:hover { background: var(--accent-hover); }

/* ── content rows: title left, text right ─────────────── */
.row { display: grid; grid-template-columns: 220px 1fr; gap: 40px; padding: 64px 0; border-top: 1px solid var(--line); }
.row h2 { font-size: 1.15rem; margin: 2px 0 0; }
.body { max-width: 620px; }
.intro { font-size: 1.15rem; margin: 0 0 32px; }

.facts { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 28px 40px; }
.facts dt { font-weight: 600; margin-bottom: 4px; }
.facts dd { margin: 0; color: var(--muted); font-size: .95rem; }

.steps { margin: 0 0 32px; padding: 0; list-style: none; counter-reset: step; }
.steps li { counter-increment: step; position: relative; padding: 14px 0 14px 44px; border-bottom: 1px solid var(--line); color: var(--muted); }
.steps li:first-child { border-top: 1px solid var(--line); }
.steps li::before {
  content: counter(step); position: absolute; left: 0; top: 13px;
  width: 26px; height: 26px; border-radius: 50%; border: 1px solid var(--line-2);
  display: grid; place-items: center; font-size: .8rem; color: var(--text);
}
.steps b { color: var(--text); font-weight: 500; }
.link-btn { background: none; border: 0; padding: 0 0 0 6px; color: var(--accent); font-size: .9rem; }
.link-btn:hover { text-decoration: underline; }

.faq summary { cursor: pointer; color: var(--muted); list-style: none; }
.faq summary::before { content: '+'; display: inline-block; width: 18px; color: var(--accent); }
.faq[open] summary::before { content: '−'; }
.faq summary:hover { color: var(--text); }
.faq ul { margin: 16px 0 0; padding: 0 0 0 18px; color: var(--muted); display: grid; gap: 10px; font-size: .95rem; }
.faq b { color: var(--text); font-weight: 500; }

.foot { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 32px 0 48px; border-top: 1px solid var(--line); font-size: .85rem; }

@media (max-width: 760px) {
  .hero { padding: 56px 0 72px; }
  .hero h1 br { display: none; }
  .row { grid-template-columns: 1fr; gap: 20px; padding: 48px 0; }
  .facts { grid-template-columns: 1fr; gap: 20px; }
  .ip { flex-wrap: wrap; justify-content: center; }
  .ip-label { display: none; }
}