:root {
  color-scheme: dark;
  --bg: #0c1222;
  --panel: #131d30;
  --code: #0a1019;
  --ink: #E2E8F0;
  --muted: #94A3B8;
  --line: rgba(255,255,255,.08);
  --accent: #E8613A;
  --cyan: #06B6D4;
  --green: #22C55E;
  --yellow: #EAB308;
  --font-display: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, SFMono-Regular, Consolas, monospace;
}
* { box-sizing: border-box; margin: 0; }
html, body { max-width: 100%; overflow-x: hidden; }
body {
  font-family: var(--font-sans);
  background: radial-gradient(circle at 20% 8%, rgba(232,97,58,.22) 0, transparent 30rem),
              radial-gradient(circle at 82% 4%, rgba(6,182,212,.15) 0, transparent 32rem),
              linear-gradient(145deg, #0c1222, #0f172a 48%, #111827);
  color: var(--ink);
  line-height: 1.6;
}
main { max-width: 820px; margin: 0 auto; padding: 48px 20px 72px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 6vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 8px 0 16px;
}
h2 {
  font-family: var(--font-display);
  font-size: 22px;
  margin: 0 0 12px;
  color: var(--cyan);
}
.eyebrow { font: 700 12px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--cyan); }
.lede { font-size: 19px; line-height: 1.55; color: var(--muted); margin-bottom: 24px; }
.hero-price {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, rgba(232,97,58,.15), rgba(6,182,212,.12));
  border: 1px solid rgba(232,97,58,.3); border-radius: 12px;
  padding: 12px 20px; font: 600 18px var(--font-mono); color: var(--accent); margin-bottom: 32px;
}
.hero-price .chain { font-size: 13px; color: var(--muted); font-weight: 400; }
.panel {
  background: linear-gradient(180deg, rgba(19,29,48,.94), rgba(17,26,46,.9));
  border: 1px solid var(--line); border-radius: 16px; padding: 24px; margin: 20px 0;
  box-shadow: 0 20px 70px rgba(0,0,0,.28);
}
.step-number {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; background: var(--accent); color: #fff;
  font: 700 14px var(--font-mono); border-radius: 50%; margin-right: 8px; flex-shrink: 0;
}
.step-header { display: flex; align-items: center; margin-bottom: 12px; }
.step-header h2 { margin: 0; color: var(--ink); font-size: 18px; }
pre {
  max-width: 100%; overflow: auto; background: var(--code); color: #DDE7F0;
  padding: 18px; border-radius: 12px; border: 1px solid var(--line);
  white-space: pre-wrap; overflow-wrap: anywhere; font-size: 13.5px; line-height: 1.55;
  position: relative;
}
code { font-family: var(--font-mono); }
.tab-row { display: flex; gap: 0; margin-bottom: -1px; position: relative; z-index: 1; }
.tab-btn {
  background: transparent; border: 1px solid var(--line); border-bottom: none;
  color: var(--muted); font: 500 13px var(--font-mono); padding: 8px 16px;
  cursor: pointer; border-radius: 8px 8px 0 0; transition: all .15s;
}
.tab-btn.active { background: var(--code); color: var(--ink); border-color: var(--line); }
.tab-btn:hover:not(.active) { color: var(--ink); }
.tab-content { display: none; }
.tab-content.active { display: block; }
.copy-btn {
  position: absolute; top: 8px; right: 8px;
  background: rgba(255,255,255,.08); border: 1px solid var(--line);
  color: var(--muted); font: 500 11px var(--font-mono);
  padding: 4px 10px; border-radius: 6px; cursor: pointer; transition: all .15s;
}
.copy-btn:hover { background: rgba(255,255,255,.15); color: var(--ink); }
.expect-label {
  font: 600 13px var(--font-mono); color: var(--green);
  margin: 16px 0 8px; text-transform: uppercase; letter-spacing: .04em;
}
.prereqs { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin: 16px 0; }
.prereq-item { display: flex; align-items: flex-start; gap: 8px; font-size: 14px; color: var(--muted); }
.prereq-item .check { color: var(--green); font-size: 16px; flex-shrink: 0; }
.links-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.link-pill {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px;
  font: 500 13px var(--font-mono); color: var(--muted);
  background: rgba(19,29,48,.72); transition: all .15s;
}
.link-pill:hover { color: var(--ink); border-color: var(--accent); text-decoration: none; }
.warning-box {
  border: 1px solid rgba(234,179,8,.3); background: rgba(234,179,8,.06);
  border-radius: 12px; padding: 16px 20px; margin: 20px 0;
  font-size: 14px; color: var(--yellow);
}
.warning-box strong { color: var(--ink); }
.service-desc { color: var(--muted); }
.service-features { color: var(--muted); padding-left: 20px; margin-top: 12px; }
footer { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }