/* brain.fightclub.pro - one stylesheet, no framework, no build step.
   Matches the product: nothing to install to read it. */

:root {
  --bg: #0b0d10;
  --panel: #12161b;
  --panel-2: #171c23;
  --line: #232a33;
  --ink: #dfe5ec;
  --dim: #8b97a6;
  --dimmer: #5f6b7a;
  --accent: #6fd3a0;
  --accent-dim: #2e6b4f;
  --warn: #e0b341;
  --red: #e06d63;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 940px; margin: 0 auto; padding: 0 24px; }

/* --- nav --- */
header.top {
  border-bottom: 1px solid var(--line);
  background: rgba(11, 13, 16, 0.9);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
header.top .wrap { display: flex; align-items: center; gap: 28px; height: 62px; }
.brand { font-family: var(--mono); font-weight: 600; color: var(--ink); font-size: 15px; letter-spacing: -0.2px; }
.brand span { color: var(--accent); }
nav.main { margin-left: auto; display: flex; gap: 24px; align-items: center; }
nav.main a { color: var(--dim); font-size: 14.5px; }
nav.main a:hover { color: var(--ink); text-decoration: none; }
nav.main a.on { color: var(--ink); }
nav.main .off {
  color: var(--dimmer);
  font-size: 14.5px;
  cursor: not-allowed;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.pill {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1px 7px;
  color: var(--dimmer);
}

/* --- type --- */
h1 { font-size: 42px; line-height: 1.15; letter-spacing: -0.9px; margin: 0 0 18px; font-weight: 650; }
h2 { font-size: 25px; letter-spacing: -0.4px; margin: 54px 0 14px; font-weight: 620; }
h3 { font-size: 17.5px; margin: 30px 0 8px; font-weight: 600; }
p { margin: 0 0 16px; }
.lede { font-size: 19.5px; color: var(--dim); line-height: 1.6; }
.dim { color: var(--dim); }
small.note { color: var(--dimmer); font-size: 13.5px; display: block; margin-top: 10px; }

section { padding: 4px 0; }
.hero { padding: 76px 0 26px; }
footer { border-top: 1px solid var(--line); margin-top: 84px; padding: 30px 0 60px; color: var(--dimmer); font-size: 14px; }
footer a { color: var(--dim); }

/* --- code --- */
pre, code { font-family: var(--mono); }
pre {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 15px 17px;
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.6;
  margin: 0 0 16px;
}
pre .c { color: var(--dimmer); }
pre .g { color: var(--accent); }
pre .y { color: var(--warn); }
p code, li code, td code {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 13px;
}

/* --- panels --- */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 22px 24px; }
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: 1fr 1fr; }
.g3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 760px) {
  .g2, .g3 { grid-template-columns: 1fr; }
  h1 { font-size: 32px; }
  nav.main { gap: 15px; }
  nav.main a, nav.main .off { font-size: 13px; }
  .brand { font-size: 13px; }
}

/* --- table --- */
table { border-collapse: collapse; width: 100%; font-size: 14.5px; margin: 8px 0 16px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--dim); font-weight: 600; font-size: 13px; letter-spacing: 0.3px; text-transform: uppercase; }
td.yes { color: var(--accent); }
td.no { color: var(--dimmer); }
/* Not in Solo, and the row says where to get it. Red because it is a limit, linked
   because a limit the reader cannot act on is just a complaint. */
td.up a { color: var(--red); font-weight: 560; border-bottom: 1px dotted rgba(224,109,99,.45); }
td.up a:hover { text-decoration: none; border-bottom-color: var(--red); }

/* --- buttons --- */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #07130d;
  font-weight: 640;
  padding: 11px 20px;
  border-radius: 7px;
  font-size: 15px;
}
.btn:hover { text-decoration: none; filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btns { display: flex; gap: 12px; flex-wrap: wrap; margin: 26px 0 0; }

/* --- price --- */
.price { font-size: 38px; font-weight: 650; letter-spacing: -1px; }
.price small { font-size: 15px; font-weight: 400; color: var(--dim); letter-spacing: 0; }

ul.tight { margin: 0 0 16px; padding-left: 20px; }
ul.tight li { margin-bottom: 7px; }

.rule { border: 0; border-top: 1px solid var(--line); margin: 46px 0; }

.dl a { font-family: var(--mono); font-size: 13.5px; }
.dl li { margin-bottom: 6px; }

.callout { border-left: 2px solid var(--accent-dim); padding-left: 16px; color: var(--dim); margin: 0 0 16px; }