:root {
  --bg: #0b0e14; --bg-2: #10141d; --panel: #131825; --line: #232b3d; --text: #e6eaf3; --muted: #8b95ab;
  --accent: #5ad1ff; --accent-ink: #04202c; --long: #2fd6a1; --short: #ff6b7a; --warn: #f5b84b; --focus: #9be3ff;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f3f5f9; --bg-2: #e9edf4; --panel: #ffffff; --line: #d6dce8; --text: #131a29; --muted: #5d687e;
    --accent: #0a7aa8; --accent-ink: #ffffff; --long: #0a8f6a; --short: #cf3446; --warn: #a86a00; --focus: #0a7aa8;
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #f3f5f9; --bg-2: #e9edf4; --panel: #ffffff; --line: #d6dce8; --text: #131a29; --muted: #5d687e;
  --accent: #0a7aa8; --accent-ink: #ffffff; --long: #0a8f6a; --short: #cf3446; --warn: #a86a00; --focus: #0a7aa8;
  color-scheme: light;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .sk { animation: none !important; } }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.55 var(--sans); }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
code { font-family: var(--mono); font-size: 0.9em; background: var(--bg-2); border: 1px solid var(--line); border-radius: 5px; padding: 1px 5px; overflow-wrap: anywhere; }
h1, h2, h3 { line-height: 1.15; margin: 0; letter-spacing: -0.02em; }
p { margin: 0 0 12px; }
.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.pos { color: var(--long); }
.neg { color: var(--short); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--accent-ink); padding: 8px 12px; border-radius: 6px; z-index: 10; }
.skip:focus { left: 8px; }

.nav { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav-in { display: flex; align-items: center; gap: 16px; min-height: 56px; }
.brand { display: inline-flex; align-items: center; gap: 8px; color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: -0.01em; }
.brand-mark { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 7px; background: var(--panel); border: 1px solid var(--line); color: var(--accent); font: 700 13px var(--mono); }
.brand-sub { color: var(--muted); font-weight: 500; margin-left: 4px; }
.nav-links { display: flex; gap: 18px; margin-left: 12px; flex: 1; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 14px; }
.nav-links a:hover { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 38px; padding: 0 16px; border-radius: 8px; border: 1px solid var(--line); background: var(--panel); color: var(--text); font: 600 14px var(--sans); text-decoration: none; cursor: pointer; transition: border-color 0.15s, background 0.15s, transform 0.05s; }
.btn:hover { border-color: var(--muted); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: color-mix(in srgb, var(--accent) 88%, white); border-color: transparent; }
.btn-lg { min-height: 46px; padding: 0 22px; font-size: 15px; }
.btn-sm { min-height: 30px; padding: 0 12px; font-size: 13px; }
.btn-block { width: 100%; margin-top: 12px; }
.icon-btn { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 8px; border: 1px solid var(--line); background: var(--panel); color: var(--muted); cursor: pointer; }
.icon-btn:hover { color: var(--text); border-color: var(--muted); }
.icon-btn:active { transform: translateY(1px); }

.hero { padding: 64px 0 40px; background: radial-gradient(900px 400px at 15% -10%, color-mix(in srgb, var(--accent) 16%, transparent), transparent), radial-gradient(700px 360px at 95% 10%, color-mix(in srgb, var(--long) 10%, transparent), transparent); }
.hero-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 40px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); border: 1px solid var(--line); background: var(--panel); border-radius: 999px; padding: 4px 12px; margin-bottom: 18px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.dot[data-kind="ok"] { background: var(--long); box-shadow: 0 0 0 3px color-mix(in srgb, var(--long) 25%, transparent); }
.dot[data-kind="warn"] { background: var(--warn); }
.dot[data-kind="err"] { background: var(--short); }
h1 { font-size: clamp(32px, 5.2vw, 54px); margin-bottom: 18px; }
.lede { font-size: 18px; color: var(--muted); max-width: 60ch; }
.cta { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0 18px; }
.fine { font-size: 13px; color: var(--muted); max-width: 60ch; }

.ticket { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 16px; box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25); }
.ticket-head { display: flex; justify-content: space-between; font-weight: 700; margin-bottom: 10px; font-size: 14px; }
.ticket dl { display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; margin: 0 0 10px; }
.ticket dt { color: var(--muted); }
.ticket dd { margin: 0; font-family: var(--mono); text-align: right; }

section { padding: 36px 0; }
.sec-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 16px; margin-bottom: 18px; }
h2 { font-size: clamp(22px, 3vw, 30px); }
.market-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.market { display: block; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px; color: var(--text); text-decoration: none; transition: border-color 0.15s, transform 0.1s; }
.market:hover { border-color: var(--accent); transform: translateY(-1px); }
.market:active { transform: translateY(0); }
.market-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.market-price { font: 700 22px var(--mono); margin: 8px 0 4px; overflow-wrap: anywhere; }
.tag { font-size: 11px; padding: 2px 8px; border-radius: 999px; background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--accent); white-space: nowrap; }
.tag-off { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.state { border: 1px dashed var(--line); border-radius: 12px; padding: 22px; text-align: center; background: var(--bg-2); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.card h3 { font-size: 17px; margin-bottom: 8px; }
.card p { color: var(--muted); margin: 0; font-size: 15px; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.steps li { display: flex; gap: 12px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.steps h3 { font-size: 16px; margin-bottom: 4px; }
.steps p { margin: 0; color: var(--muted); font-size: 14px; }
.n { flex: none; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--accent); color: var(--accent-ink); font-weight: 700; }

.works { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 16px; }
.works span { color: var(--muted); margin-right: 4px; font-size: 14px; }
.works b { border: 1px solid var(--line); background: var(--panel); border-radius: 999px; padding: 4px 14px; font-size: 14px; font-weight: 600; }
.tabs { display: flex; flex-wrap: wrap; gap: 6px; border-bottom: 1px solid var(--line); margin-bottom: 14px; }
.tab { background: none; border: 0; border-bottom: 2px solid transparent; color: var(--muted); padding: 10px 12px; font: 600 14px var(--sans); cursor: pointer; }
.tab:hover { color: var(--text); }
.tab[aria-selected="true"] { color: var(--text); border-bottom-color: var(--accent); }
.code { position: relative; background: var(--bg-2); border: 1px solid var(--line); border-radius: 10px; }
.code pre { margin: 0; padding: 14px 76px 14px 14px; overflow-x: auto; }
.code code { background: none; border: 0; padding: 0; font-size: 13.5px; overflow-wrap: normal; }
.copy { position: absolute; top: 8px; right: 8px; min-height: 28px; padding: 0 10px; border-radius: 6px; border: 1px solid var(--line); background: var(--panel); color: var(--muted); font: 600 12px var(--sans); cursor: pointer; }
.copy:hover { color: var(--text); border-color: var(--muted); }
.copy:active { transform: translateY(1px); }
.more { margin-top: 12px; }
.os { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 18px; }

.sk { background: linear-gradient(90deg, var(--bg-2), color-mix(in srgb, var(--line) 70%, var(--bg-2)), var(--bg-2)); background-size: 200% 100%; animation: shimmer 1.4s linear infinite; border-radius: 8px; }
.sk-line { height: 18px; margin-bottom: 10px; }
.sk-card { height: 104px; border-radius: 12px; }
@keyframes shimmer { to { background-position: -200% 0; } }

.foot { border-top: 1px solid var(--line); margin-top: 24px; padding: 28px 0 40px; background: var(--bg-2); }
.risk { font-size: 14px; color: var(--muted); max-width: 80ch; }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 14px 0; }
.foot-links a { color: var(--text); font-size: 14px; }

@media (max-width: 900px) {
  .hero { padding-top: 40px; }
  .hero-grid, .grid, .steps { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 420px) {
  .nav-actions .btn { padding: 0 12px; }
  .brand-sub { display: none; }
  .code pre { padding-right: 14px; padding-top: 44px; }
}