:root {
  --ink: #0b0e14;
  --panel: #121724;
  --panel-2: #171d2c;
  --line: #263049;
  --text: #e7ecf5;
  --muted: #93a0b8;
  --accent: #4fe3a6;
  --accent-2: #6ea8ff;
  --warn: #ffb454;
  --danger: #ff6b6b;
  --radius: 12px;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--ink); color: var(--text);
  font-family: var(--sans); line-height: 1.55; font-size: 16px;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .5em; letter-spacing: -0.02em; }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2.1rem); }
p { color: var(--muted); }
code, pre { font-family: var(--mono); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
header.top {
  position: sticky; top: 0; z-index: 20; backdrop-filter: blur(10px);
  background: rgba(11,14,20,.82); border-bottom: 1px solid var(--line);
}
header.top .wrap { display: flex; align-items: center; gap: 24px; height: 62px; }
.brand { font-weight: 800; letter-spacing: .04em; color: var(--text); font-size: 1.05rem; }
.brand span { color: var(--accent); }
nav.main { display: flex; gap: 18px; margin-left: auto; flex-wrap: wrap; }
nav.main a { color: var(--muted); font-size: .92rem; }
nav.main a:hover, nav.main a.active { color: var(--text); text-decoration: none; }
.btn {
  display: inline-block; padding: 10px 18px; border-radius: 9px; font-weight: 600;
  border: 1px solid var(--line); background: var(--panel-2); color: var(--text);
  cursor: pointer; font-size: .95rem;
}
.btn.primary { background: var(--accent); color: #06210f; border-color: transparent; }
.btn.primary:hover { background: #46d299; text-decoration: none; }
.btn.ghost { background: transparent; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.hero { padding: 72px 0 40px; }
.hero .kicker {
  font-family: var(--mono); color: var(--accent); font-size: .82rem;
  letter-spacing: .16em; text-transform: uppercase; margin-bottom: 12px;
}
.hero p.lead { font-size: 1.15rem; max-width: 62ch; }
.cta { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }
.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px;
}
.card h3 { font-size: 1.1rem; }
.card .price { font-family: var(--mono); color: var(--accent); font-size: 1.5rem; }
section { padding: 44px 0; border-top: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; }
pre {
  background: #05070c; border: 1px solid var(--line); border-radius: 10px;
  padding: 16px; overflow-x: auto; font-size: .85rem; color: #d7e0ee;
}
label { display: block; font-size: .85rem; color: var(--muted); margin: 12px 0 4px; }
input, select {
  width: 100%; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--panel-2); color: var(--text); font-size: .95rem; font-family: var(--sans);
}
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 140px; }
.notice {
  margin: 12px 0; padding: 10px 14px; border-radius: 8px; font-size: .9rem;
  background: rgba(79,227,166,.08); border: 1px solid rgba(79,227,166,.35); color: var(--accent);
}
.notice.error { background: rgba(255,107,107,.08); border-color: rgba(255,107,107,.4); color: var(--danger); }
.notice.info { background: rgba(110,168,255,.08); border-color: rgba(110,168,255,.35); color: var(--accent-2); }
.hidden { display: none !important; }
.stat { font-family: var(--mono); font-size: 1.6rem; color: var(--text); }
.stat-label { font-size: .78rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.pill { font-family: var(--mono); font-size: .75rem; padding: 2px 8px; border-radius: 20px; border: 1px solid var(--line); color: var(--muted); }
.pill.ok { color: var(--accent); border-color: rgba(79,227,166,.4); }
.pill.warn { color: var(--warn); border-color: rgba(255,180,84,.4); }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 18px; }
.tabs button {
  background: transparent; border: 1px solid var(--line); color: var(--muted);
  padding: 8px 14px; border-radius: 8px; cursor: pointer; font-size: .9rem;
}
.tabs button.active { color: var(--text); border-color: var(--accent); }
footer { border-top: 1px solid var(--line); padding: 28px 0 60px; color: var(--muted); font-size: .88rem; }
footer a { color: var(--muted); }
.small { font-size: .84rem; color: var(--muted); }
.mono { font-family: var(--mono); font-size: .84rem; }
.copybox { display: flex; gap: 8px; align-items: center; }
.copybox input { font-family: var(--mono); font-size: .8rem; }