/* Plus Side site styles.
   Tokens follow the brand guide (proposal v1), which takes its palette from
   arb_dashboard_V6/dashboard.html. The site is dark only, like the dashboard. */

:root {
  color-scheme: dark;

  /* Ground and text */
  --ink-950: #0b1120;  /* page background */
  --ink-900: #131e32;  /* panels, cards, alert embeds */
  --ink-850: #16243a;  /* raised blocks, hover */
  --glass: rgba(11, 17, 32, 0.86);
  --line: #293953;     /* borders between surfaces, never text */
  --line-strong: #3a5274;
  --text: #e9effc;
  --text-soft: #c1cde1; /* long-form body text */
  --muted: #9aaac7;
  --faint: #8496b3;
  --white: #ffffff;

  /* Money, action and status */
  --mint-500: #52d9a6; /* primary buttons, the mark's core, Arb */
  --mint-300: #71eebc; /* positive numbers, links */
  --mint-900: #204738;
  --on-mint: #10211c;
  --sky: #8fc8ff;      /* +EV */
  --sky-900: #1a3150;
  --amber: #f5c989;    /* check this */
  --amber-900: #3b3420;
  --coral: #ffb28d;    /* loss, failed bet */
  --coral-900: #3d2620;
  --btn-alt: #263751;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.35);

  /* Type */
  --font-display: "Bricolage Grotesque", "Instrument Sans", system-ui, sans-serif;
  --font-body: "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--ink-950);
  color: var(--text);
  font: 400 16px/1.625 var(--font-body);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--mint-300); text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--mint-300); outline-offset: 2px; border-radius: 6px; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure, blockquote { margin: 0; }
h1, h2, h3, h4 { text-wrap: balance; }
strong, b { font-weight: 700; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: var(--mint-500); color: var(--on-mint); font-weight: 700;
  padding: 10px 14px; border-radius: 9px; text-decoration: none;
}
.skip-link:focus { top: 12px; }

.container { max-width: 1180px; margin-inline: auto; padding-inline: 24px; }
@media (max-width: 500px) { .container { padding-inline: 16px; } }

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.eyebrow {
  font: 700 12px/16px var(--font-body);
  letter-spacing: 0.13em; text-transform: uppercase; color: var(--mint-300);
}
.label {
  font: 700 11px/16px var(--font-body);
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint);
}
.lede { font-size: 18px; line-height: 28px; color: var(--muted); max-width: 62ch; }
.fine { font-size: 13px; line-height: 20px; color: var(--faint); }
.muted { color: var(--muted); }

h2, .h2 { font: 800 44px/48px var(--font-display); letter-spacing: -0.02em; }
h3, .h3 { font: 700 20px/26px var(--font-display); letter-spacing: -0.01em; }
@media (max-width: 640px) { h2, .h2 { font-size: 32px; line-height: 36px; } }

/* ---------- Buttons, pills, tags ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 0; border-radius: 9px; padding: 13px 20px;
  font: 700 15px/20px var(--font-body); text-decoration: none; cursor: pointer;
  white-space: nowrap; transition: background-color 0.15s ease;
}
.btn-primary { background: var(--mint-500); color: var(--on-mint); }
.btn-primary:hover { background: var(--mint-300); }
.btn-secondary { background: var(--btn-alt); color: var(--white); }
.btn-secondary:hover { background: var(--line); }
.btn-sm { padding: 9px 14px; font-size: 14px; }
.btn-block { width: 100%; }
.text-link { color: var(--mint-300); font-weight: 700; text-decoration: none; }
.text-link:hover { text-decoration: underline; }

.pill {
  display: inline-flex; align-items: center; gap: 6px;
  border-radius: 999px; padding: 4px 10px;
  font: 700 12px/16px var(--font-body); white-space: nowrap;
}
.pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pill-live { background: var(--mint-900); color: var(--mint-300); }
.pill-free { background: var(--sky-900); color: var(--sky); }
.pill-planned { color: var(--muted); box-shadow: inset 0 0 0 1px var(--line-strong); }
.pill-planned::before { background: none; box-shadow: inset 0 0 0 1.5px currentColor; }

.tag {
  display: inline-block; font: 600 11px/14px var(--font-mono);
  letter-spacing: 0.06em; padding: 3px 7px; border-radius: 6px;
}
.tag-arb { background: var(--mint-900); color: var(--mint-300); }
.tag-ev { background: var(--sky-900); color: var(--sky); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--glass);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner { position: relative; display: flex; align-items: center; gap: 20px; min-height: 66px; }
.brand {
  display: inline-flex; align-items: center; gap: 10px; flex: none;
  color: var(--text); text-decoration: none;
  font: 800 20px/1 var(--font-display); letter-spacing: -0.02em; white-space: nowrap;
}
.brand img { width: 26px; height: 26px; }
.site-nav { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.site-nav a {
  color: var(--muted); text-decoration: none; font-size: 15px; font-weight: 600;
  padding: 8px 12px; border-radius: 8px;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--text); background: var(--ink-900); }
.site-nav .nav-cta { display: none; }
.menu-toggle { display: none; }

@media (max-width: 920px) {
  .header-cta { margin-left: auto; }
  .js .menu-toggle {
    display: inline-grid; place-items: center; flex: none;
    width: 44px; height: 44px; border-radius: 10px;
    border: 1px solid var(--line); background: var(--ink-900); color: var(--text); cursor: pointer;
  }
  .js .site-nav {
    display: none; position: absolute; left: -24px; right: -24px; top: 100%;
    flex-direction: column; align-items: stretch; gap: 2px; margin: 0;
    padding: 12px 24px 24px; background: var(--ink-950); border-bottom: 1px solid var(--line);
  }
  .js.nav-open .site-nav { display: flex; }
  .js .site-nav a { font-size: 17px; padding: 12px; }
  .no-js .header-inner { flex-wrap: wrap; padding-block: 10px; }
  .no-js .site-nav { flex-wrap: wrap; margin-left: 0; width: 100%; order: 3; }
}
@media (max-width: 500px) {
  .js .site-nav { left: -16px; right: -16px; padding-inline: 16px; }
}
@media (max-width: 440px) {
  .header-cta { display: none; }
  .js .menu-toggle { margin-left: auto; }
  .site-nav .nav-cta { display: flex; margin-top: 8px; color: var(--on-mint); background: var(--mint-500); }
  .site-nav .nav-cta:hover { color: var(--on-mint); background: var(--mint-300); }
}

/* ---------- Sections ---------- */
.section { padding-block: 96px; border-top: 1px solid var(--line); }
@media (max-width: 640px) { .section { padding-block: 64px; } }
.section-head { display: grid; gap: 14px; max-width: 700px; margin-bottom: 48px; }

.panel {
  background: var(--ink-900); border: 1px solid var(--line); border-radius: 16px;
  padding: 24px; display: grid; gap: 12px; align-content: start; min-width: 0;
}
.panel p { color: var(--muted); }

/* ---------- Hero ---------- */
.hero { padding-block: 72px 96px; }
@media (max-width: 640px) { .hero { padding-block: 40px 64px; } }
.hero-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 56px; align-items: center; }
@media (max-width: 980px) { .hero-grid { grid-template-columns: 1fr; gap: 44px; } }
.hero-copy { display: grid; gap: 22px; align-content: start; }
.hero h1 { font: 800 62px/64px var(--font-display); letter-spacing: -0.035em; }
@media (max-width: 640px) { .hero h1 { font-size: 42px; line-height: 46px; } }
.hero .lede { font-size: 19px; line-height: 30px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-visual { display: grid; gap: 10px; animation: rise 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) 0.1s both; }
/* Movement only, no fade: the alert stays visible even where animations never run. */
@keyframes rise { from { transform: translateY(16px); } to { transform: none; } }

/* ---------- Discord window and alert ---------- */
.discord {
  background: var(--ink-900); border: 1px solid var(--line); border-radius: 16px;
  overflow: hidden; box-shadow: var(--shadow); min-width: 0;
}
.discord-bar {
  display: flex; align-items: center; gap: 8px; padding: 12px 16px;
  border-bottom: 1px solid var(--line); font: 600 14px/20px var(--font-mono); color: var(--text);
}
.discord-bar .hash { color: var(--faint); }
.discord-bar .pill { margin-left: auto; }
.discord-body { padding: 16px; }
.dmsg { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 12px; min-width: 0; }
.dmsg-avatar { width: 40px; height: 40px; border-radius: 50%; }
.dmsg-name { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.app-badge {
  font: 700 10px/14px var(--font-body); letter-spacing: 0.04em;
  background: var(--btn-alt); color: var(--white); padding: 1px 5px; border-radius: 4px;
}
.dmsg-time { font-size: 12px; font-weight: 400; color: var(--faint); }

.alert {
  background: var(--ink-950); border: 1px solid var(--line); border-left: 4px solid var(--mint-500);
  border-radius: 6px 12px 12px 6px; padding: 16px; display: grid; gap: 14px; min-width: 0;
}
.alert-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.alert-margin {
  margin-left: auto; display: inline-flex; align-items: center; gap: 6px;
  font: 600 20px/24px var(--font-mono); font-variant-numeric: tabular-nums; color: var(--mint-300);
}
.alert-title { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font: 700 17px/24px var(--font-body); }
.legs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.leg {
  background: var(--ink-900); border: 1px solid var(--line); border-radius: 10px;
  padding: 12px; display: grid; gap: 3px; min-width: 0;
}
.leg-book { font: 700 11px/16px var(--font-body); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.leg-pick { font-weight: 700; }
.leg-price { font: 600 24px/30px var(--font-mono); font-variant-numeric: tabular-nums; }
.leg-row { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }
.leg-row b { font: 600 14px/20px var(--font-mono); color: var(--text); }
.alert-foot {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px;
  font-size: 13px; line-height: 19px; color: var(--muted);
}
.alert-foot .k {
  display: flex; align-items: center; gap: 6px; color: var(--faint);
  font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
}
.alert-foot b { font: 600 15px/22px var(--font-mono); color: var(--text); }
@media (max-width: 420px) { .legs { grid-template-columns: 1fr; } }

.mk {
  display: inline-grid; place-items: center; flex: none; vertical-align: middle;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--mint-900); color: var(--mint-300); font: 600 11px/1 var(--font-mono);
}

/* ---------- Coverage ---------- */
.coverage { padding-block: 40px; border-top: 1px solid var(--line); }
.coverage-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
@media (max-width: 880px) { .coverage-grid { grid-template-columns: 1fr; gap: 24px; } }
.cov { display: grid; gap: 10px; align-content: start; min-width: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font: 600 13px/18px var(--font-mono); padding: 6px 10px; border-radius: 8px;
  background: var(--ink-900); border: 1px solid var(--line);
}
.chip-book { font-family: var(--font-body); }
.cov .fine { max-width: 46ch; }

/* ---------- How it works ---------- */
.steps { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; gap: 20px; } }
.step { border-top: 2px solid var(--line); padding-top: 20px; display: grid; gap: 8px; align-content: start; }
.step-num { font: 600 13px/18px var(--font-mono); color: var(--mint-300); }
.step p { color: var(--muted); }

/* ---------- Alert anatomy ---------- */
.anatomy { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 48px; align-items: start; }
@media (max-width: 900px) { .anatomy { grid-template-columns: 1fr; gap: 32px; } }
.anat-list { list-style: none; padding: 0; display: grid; gap: 18px; }
.anat-list li { display: grid; grid-template-columns: 20px minmax(0, 1fr); gap: 12px; color: var(--muted); }
.anat-list li b { color: var(--text); }
.anat-list .mk { margin-top: 2px; }

/* ---------- Two kinds of alert ---------- */
.kinds { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
@media (max-width: 760px) { .kinds { grid-template-columns: 1fr; } }
.kind { gap: 16px; padding: 28px; }
.kind-arb { border-top: 3px solid var(--mint-500); }
.kind-ev { border-top: 3px solid var(--sky); }
.kind-head { display: flex; align-items: center; gap: 10px; }
.kind dl { display: grid; gap: 12px; border-top: 1px solid var(--line); padding-top: 16px; }
.kind dt { font: 700 11px/16px var(--font-body); letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint); }
.kind dd { color: var(--text-soft); font-size: 15px; line-height: 23px; }

/* ---------- Discord channels ---------- */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 56px; align-items: start; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 32px; } }
.split-copy { display: grid; gap: 16px; align-content: start; }
.channels { display: grid; gap: 8px; }
.chan {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px;
  padding: 14px 16px; background: var(--ink-900); border: 1px solid var(--line); border-radius: 12px;
}
.chan-name { font: 600 14px/20px var(--font-mono); min-width: 120px; }
.chan-desc { flex: 1 1 220px; min-width: 0; font-size: 14px; line-height: 21px; color: var(--muted); }
.chan-later { background: transparent; border-style: dashed; }

/* ---------- Track record ---------- */
.record {
  background: var(--ink-900); border: 1px solid var(--line); border-radius: 20px; padding: 40px;
  display: grid; grid-template-columns: minmax(0, 1.5fr) auto; gap: 24px 48px; align-items: center;
}
@media (max-width: 820px) { .record { grid-template-columns: 1fr; padding: 28px; } }
.record-copy { display: grid; gap: 12px; }

/* ---------- Pricing ---------- */
.pricing { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 420px); gap: 56px; align-items: center; }
@media (max-width: 900px) { .pricing { grid-template-columns: 1fr; gap: 32px; } }
.pricing-copy { display: grid; gap: 16px; }
.pricing-copy p:not(.eyebrow) { color: var(--muted); max-width: 56ch; }
.plan {
  background: var(--ink-900); border: 1px solid var(--mint-500); border-radius: 18px;
  padding: 28px; display: grid; gap: 18px; width: 100%;
}
.plan-top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
.plan-price { display: flex; align-items: baseline; gap: 8px; }
.plan-price .mono { font-size: 48px; line-height: 52px; font-weight: 600; }
.plan ul { list-style: none; padding: 0; display: grid; gap: 10px; font-size: 15px; }
.plan li { display: flex; align-items: center; gap: 12px; }
.plan li::before {
  content: ""; flex: none; width: 13px; height: 7px;
  border-left: 2px solid var(--mint-300); border-bottom: 2px solid var(--mint-300);
  transform: rotate(-45deg) translateY(-3px);
}

/* ---------- Risks ---------- */
.risks { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
@media (max-width: 860px) { .risks { grid-template-columns: 1fr; } }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 10px; max-width: 820px; }
.faq details { background: var(--ink-900); border: 1px solid var(--line); border-radius: 12px; }
.faq summary {
  list-style: none; cursor: pointer; padding: 16px 20px;
  display: flex; justify-content: space-between; gap: 16px; font-weight: 700; font-size: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 600 18px/24px var(--font-mono); color: var(--mint-300); }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { padding: 0 20px 18px; color: var(--muted); max-width: 70ch; }

/* ---------- Closing ---------- */
.closing { display: grid; justify-items: center; gap: 20px; text-align: center; }
.closing .cta-row { justify-content: center; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding-block: 48px 56px; }
.footer-top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px 32px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.footer-links a { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 600; }
.footer-links a:hover { color: var(--text); }
.legal { margin-top: 28px; display: grid; gap: 10px; font-size: 13px; line-height: 21px; color: var(--faint); max-width: 92ch; }

/* ---------- Long-form pages ---------- */
.page-head { padding-block: 64px 48px; display: grid; gap: 16px; }
.page-head h1 { font: 800 52px/56px var(--font-display); letter-spacing: -0.03em; }
@media (max-width: 640px) { .page-head h1 { font-size: 38px; line-height: 42px; } }
.article { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 64px; align-items: start; padding-bottom: 96px; }
@media (max-width: 900px) { .article { grid-template-columns: 1fr; gap: 32px; } }
.toc { position: sticky; top: 96px; display: grid; gap: 2px; }
.toc .label { padding: 0 10px 8px; }
.toc a { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 600; padding: 6px 10px; border-radius: 8px; }
.toc a:hover { color: var(--text); background: var(--ink-900); }
@media (max-width: 900px) {
  .toc { position: static; display: flex; flex-wrap: wrap; gap: 6px; }
  .toc .label { width: 100%; padding: 0 0 4px; }
  .toc a { border: 1px solid var(--line); }
}
.prose { display: grid; gap: 18px; max-width: 70ch; min-width: 0; color: var(--text-soft); font-size: 17px; line-height: 28px; }
.prose h2 { font: 800 32px/38px var(--font-display); letter-spacing: -0.02em; color: var(--text); margin-top: 36px; scroll-margin-top: 96px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { color: var(--text); margin-top: 12px; }
.prose strong { color: var(--text); }
.prose ul, .prose ol { padding-left: 22px; display: grid; gap: 8px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; }
.data-table { width: 100%; min-width: 460px; border-collapse: collapse; font-size: 15px; }
.data-table th, .data-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--line); }
.data-table thead th { font: 700 11px/16px var(--font-body); letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint); background: var(--ink-900); }
.data-table tbody th { font-weight: 600; color: var(--muted); }
.data-table td { font-family: var(--font-mono); font-variant-numeric: tabular-nums; color: var(--text); }
.data-table tr:last-child th, .data-table tr:last-child td { border-bottom: 0; }
.data-table .total td, .data-table .total th { color: var(--text); font-weight: 600; background: var(--ink-900); }
.data-table .pos { color: var(--mint-300); }
.formula {
  background: var(--ink-900); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px;
  font: 500 15px/26px var(--font-mono); color: var(--text); overflow-x: auto; white-space: pre;
}
.callout { border-radius: 12px; padding: 16px 18px; display: grid; gap: 4px; font-size: 15px; line-height: 24px; }
.callout b { font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; }
.callout-warn { background: var(--amber-900); color: var(--text); }
.callout-warn b { color: var(--amber); }
.callout-note { background: var(--ink-900); border: 1px solid var(--line); color: var(--text-soft); }
.callout-note b { color: var(--mint-300); }
.glossary { display: grid; gap: 4px; }
.glossary div { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.glossary div:last-child { border-bottom: 0; }
@media (max-width: 600px) { .glossary div { grid-template-columns: 1fr; gap: 4px; } }
.glossary dt { color: var(--text); font-weight: 700; }
.glossary dd { color: var(--muted); }

.draft-banner { background: var(--amber-900); border-radius: 12px; padding: 16px 18px; color: var(--text); display: grid; gap: 4px; }
.draft-banner b { color: var(--amber); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; }

.not-found { min-height: 60vh; display: grid; align-content: center; gap: 20px; padding-block: 96px; }
.not-found h1 { font: 800 52px/56px var(--font-display); letter-spacing: -0.03em; }

/* Printed pages (Terms, Privacy, the guide) use the light surface palette. */
@media print {
  :root { color-scheme: light; }
  body { background: #ffffff; color: #0b1120; }
  .site-header, .site-footer .footer-links, .toc, .skip-link, .menu-toggle { display: none !important; }
  .prose, .prose strong, .prose h2, .prose h3, .page-head h1 { color: #0b1120; }
  a { color: #0e7352; }
}