/* ABAI guide site. Brand from brand/design-system/abai-solutions/MASTER.md:
   black ground, electric purple only where it matters, white text with no light purple,
   no green and no grey. Geist, as on the carousels (no Inter, no Bricolage). */

:root {
  --bg: #000000;
  --surface: #100E20;
  --surface-2: #181530;
  --fg: #FFFFFF;
  --soft: #FFFFFF;
  --muted: #FFFFFF;
  --primary: #5600FF;
  --primary-hover: #7C3AED;
  --line: rgba(255, 255, 255, 0.16);
  --line-strong: rgba(255, 255, 255, 0.34);
  --sans: "Geist", "Helvetica Neue", Arial, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --gutter: clamp(16px, 4vw, 40px);
  --read: 700px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--fg); text-decoration-color: var(--primary-hover); text-underline-offset: 3px; text-decoration-thickness: 2px; }
a:hover { text-decoration-color: var(--muted); }
:focus-visible { outline: 2px solid var(--muted); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3 { margin: 0; text-wrap: balance; letter-spacing: -0.025em; }
p { margin: 0; }
mark { background: var(--primary); color: #FFFFFF; padding: 0 0.12em; border-radius: 0.08em; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.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 { position: absolute; left: var(--gutter); top: -60px; background: var(--primary); color: #FFFFFF; padding: 8px 14px; border-radius: 6px; z-index: 10; text-decoration: none; }
.skip:focus { top: 12px; }

.wrap { width: 100%; max-width: 1080px; margin-inline: auto; padding-inline: var(--gutter); }
.wrap--read { max-width: calc(var(--read) + 2 * var(--gutter)); }
.eyebrow { font-family: var(--mono); font-size: 13px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.lede { font-size: clamp(19px, 2.2vw, 22px); line-height: 1.5; color: var(--soft); max-width: 640px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--primary); color: #FFFFFF; text-decoration: none;
  font-weight: 600; font-size: 16px; line-height: 1.2;
  padding: 14px 24px; border-radius: 8px;
  transition: background-color 160ms ease, box-shadow 160ms ease;
}
.btn:hover { background: var(--primary-hover); box-shadow: 0 0 24px rgba(86, 0, 255, 0.45); }
.btn--small { font-size: 14px; padding: 9px 14px; }

/* Header and footer */
.site-head { border-bottom: 1px solid var(--line); }
.head-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; flex-wrap: wrap; padding-block: 10px; }
.wordmark { font-weight: 700; font-size: 17px; letter-spacing: -0.01em; text-decoration: none; }
.head-nav { display: flex; align-items: center; gap: 20px; font-size: 15px; }
.head-nav a:not(.btn) { color: var(--soft); text-decoration: none; }
.head-nav a:not(.btn):hover { color: var(--fg); }
.site-foot { border-top: 1px solid var(--line); margin-top: 0; }
.foot-row { display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between; align-items: center; padding-block: 28px; font-size: 14px; color: var(--muted); }
.foot-row a { color: var(--soft); }
.foot-nav { display: flex; gap: 20px; }

/* Library */
.hero { display: grid; gap: 24px; padding-block: clamp(48px, 9vw, 104px) clamp(36px, 6vw, 64px); }
.hero h1 { font-size: clamp(40px, 7.4vw, 84px); font-weight: 800; line-height: 1.02; letter-spacing: -0.045em; max-width: 12.5em; }
.hero h1 mark { white-space: nowrap; }
.nobr { white-space: nowrap; }
.page-404 .hero h1 { max-width: none; }

.filters { position: sticky; top: 0; z-index: 5; background: rgba(0, 0, 0, 0.88); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-block: 1px solid var(--line); }
.filters__inner { display: grid; gap: 10px; padding-block: 14px; }
.filter-row { display: flex; align-items: center; gap: 14px; min-width: 0; }
.filter-label { flex: 0 0 52px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.chips { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; min-width: 0; padding-block: 2px; }
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex: 0 0 auto; font: 500 14px/1 var(--sans); color: var(--soft);
  background: transparent; border: 1px solid var(--line-strong); border-radius: 999px;
  padding: 8px 14px; cursor: pointer; transition: background-color 140ms ease, border-color 140ms ease;
}
.chip:hover { border-color: var(--muted); color: var(--fg); }
.chip[aria-pressed="true"] { background: var(--primary); border-color: var(--primary); color: #FFFFFF; }
.filter-row--find { flex-wrap: wrap; gap: 10px 12px; }
.search, .sort {
  font: 400 15px/1.2 var(--sans); color: var(--fg); background: var(--surface);
  border: 1px solid var(--line-strong); border-radius: 8px; padding: 10px 14px;
}
.search { flex: 1 1 240px; min-width: 0; }
.search::placeholder { color: var(--muted); opacity: 0.8; }
.search:focus, .sort:focus { outline: none; border-color: var(--primary-hover); box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.35); }
.sort { flex: 0 0 auto; }
.clear { margin-left: 14px; font-family: var(--sans); font-size: 14px; }
.count { margin-left: auto; font-family: var(--mono); font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }

.list { padding-block: 8px clamp(56px, 8vw, 96px); }
.guides { list-style: none; margin: 0; padding: 0; }
.row {
  display: grid; grid-template-columns: 150px minmax(0, 1fr) auto 28px; gap: 8px 28px; align-items: baseline;
  padding-block: 26px; border-bottom: 1px solid var(--line); text-decoration: none; color: var(--fg);
}
.row__tag { font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); padding-top: 4px; }
.row__main { display: grid; gap: 6px; min-width: 0; }
.row__title { font-size: clamp(21px, 2.4vw, 26px); font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
.row__promise { color: var(--soft); font-size: 16px; line-height: 1.5; max-width: 62ch; }
.row__date { font-family: var(--mono); font-size: 13px; color: var(--muted); white-space: nowrap; font-variant-numeric: tabular-nums; }
.row__arrow { color: var(--muted); font-size: 20px; transition: transform 160ms ease, color 160ms ease; }
.row:hover .row__title { text-decoration: underline; text-decoration-color: var(--primary-hover); text-decoration-thickness: 2px; text-underline-offset: 5px; }
.row:hover .row__arrow { transform: translateX(4px); color: var(--fg); }
.empty { padding-block: 40px; color: var(--soft); }
.link-btn { font: inherit; color: var(--fg); background: none; border: 0; padding: 0; text-decoration: underline; text-decoration-color: var(--primary-hover); text-underline-offset: 3px; cursor: pointer; }

@media (max-width: 720px) {
  .row { grid-template-columns: minmax(0, 1fr) 24px; gap: 8px 12px; padding-block: 22px; }
  .row__tag { grid-column: 1; padding-top: 0; }
  .row__main { grid-column: 1; }
  .row__date { grid-column: 1; }
  .row__arrow { grid-column: 2; grid-row: 1 / span 3; align-self: center; }
  .filter-label { flex-basis: 44px; }
  .count { margin-left: 0; width: 100%; }
}
@media (max-width: 480px) {
  .head-nav a:not(.btn) { display: none; }
}

/* Guide */
.article { padding-block: clamp(32px, 6vw, 64px) clamp(56px, 8vw, 96px); }
.article .wrap--read { display: grid; gap: 18px; }
.back { justify-self: start; font-size: 15px; color: var(--soft); text-decoration: none; margin-bottom: 12px; }
.back:hover { color: var(--fg); }
.article h1 { font-size: clamp(36px, 5.6vw, 58px); font-weight: 800; line-height: 1.04; letter-spacing: -0.04em; }
.byline { font-size: 14px; color: var(--muted); padding-bottom: 28px; border-bottom: 1px solid var(--line); }

.prose { display: grid; gap: 20px; padding-top: 12px; min-width: 0; }
.prose > * { min-width: 0; }
.prose h2 { font-size: clamp(26px, 3.2vw, 32px); font-weight: 700; line-height: 1.15; margin-top: 36px; scroll-margin-top: 24px; }
.prose h3 { font-size: 20px; font-weight: 650; line-height: 1.3; margin-top: 12px; scroll-margin-top: 24px; }
.prose p, .prose li { color: var(--soft); }
.prose strong { color: var(--fg); font-weight: 650; }
.prose ul, .prose ol { margin: 0; padding-left: 1.3em; display: grid; gap: 10px; }
.prose ol { list-style: none; padding-left: 0; counter-reset: step; gap: 16px; }
.prose ol > li { counter-increment: step; position: relative; padding-left: 46px; min-height: 30px; }
.prose ol > li::before { content: counter(step); position: absolute; left: 0; top: 0; font-family: var(--mono); font-size: 14px; font-weight: 500; color: #FFFFFF; background: var(--surface-2); border: 1px solid var(--line-strong); border-radius: 50%; width: 30px; height: 30px; display: grid; place-items: center; }
.prose li::marker { color: var(--muted); }
.prose code:not(pre code) { font-family: var(--mono); font-size: 0.86em; background: var(--surface-2); padding: 2px 6px; border-radius: 4px; color: var(--fg); }
.prose blockquote { margin: 0; padding-left: 18px; border-left: 2px solid var(--line-strong); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; }
.prose table { width: 100%; border-collapse: collapse; font-size: 15px; }
.prose th, .prose td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); }
.prose th { font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); background: var(--surface); }
.prose tr:last-child td { border-bottom: 0; }

.asset { margin: 8px 0; background: var(--surface); border: 1px solid var(--line-strong); border-radius: 12px; overflow: hidden; }
.asset__bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 10px 10px 16px; border-bottom: 1px solid var(--line); }
.asset__name { font-family: var(--mono); font-size: 13px; color: var(--muted); min-width: 0; overflow-wrap: anywhere; }
.copy {
  flex: 0 0 auto; font: 600 14px/1 var(--sans); color: #FFFFFF; background: var(--primary);
  border: 0; border-radius: 6px; padding: 9px 16px; cursor: pointer; min-width: 78px;
  transition: background-color 140ms ease;
}
.copy:hover { background: var(--primary-hover); }
.copy[data-state="done"] { background: var(--surface-2); color: var(--muted); }
.asset__code { margin: 0; padding: 18px 18px 22px; font-family: var(--mono); font-size: 14px; line-height: 1.6; color: var(--fg); white-space: pre-wrap; overflow-wrap: anywhere; tab-size: 2; }
.asset__code.nowrap { white-space: pre; overflow-wrap: normal; overflow-x: auto; }

.maths { display: grid; gap: 6px; padding: 20px 22px; border: 1px solid var(--line-strong); border-radius: 12px; background: linear-gradient(180deg, var(--surface), var(--bg)); }
.maths__label { font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.maths__line { font-family: var(--mono); font-size: 15px; line-height: 1.6; color: var(--soft); font-variant-numeric: tabular-nums; }
.maths__result { color: #FFFFFF; font-weight: 500; }
.maths__result::before { content: ""; display: inline-block; width: 10px; height: 10px; background: var(--primary); border-radius: 2px; margin-right: 10px; vertical-align: 1px; }
.maths__note { font-size: 13px; color: var(--muted); margin-top: 6px; }

/* Three routes: do it yourself, done with you, done for you (guides/OFFERS.md) */
.routes { border-top: 1px solid var(--line); background: radial-gradient(110% 130% at 0% 100%, rgba(86, 0, 255, 0.3), transparent 55%), var(--surface); padding-block: clamp(48px, 8vw, 88px); }
.routes h2 { font-size: clamp(30px, 4.4vw, 44px); font-weight: 800; line-height: 1.05; letter-spacing: -0.035em; margin-top: 12px; }
.routes-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 32px; }
.routes-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 760px; }
.route { display: grid; grid-template-rows: auto auto 1fr auto; gap: 10px; padding: 24px; border: 1px solid var(--line-strong); border-radius: 14px; background: rgba(0, 0, 0, 0.35); min-width: 0; }
.route--dfy { border-color: var(--primary); background: rgba(86, 0, 255, 0.14); }
.route h3 { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; }
.route__price { font-family: var(--mono); font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.route__body { color: var(--soft); font-size: 16px; line-height: 1.55; }
.route .btn { justify-self: start; margin-top: 8px; }
.btn--ghost { background: transparent; border: 1px solid var(--line-strong); color: var(--fg); }
.btn--ghost:hover { background: rgba(124, 58, 237, 0.18); border-color: var(--muted); box-shadow: none; }
@media (max-width: 860px) {
  .routes-grid, .routes-grid--2 { grid-template-columns: 1fr; }
}
.pending { padding: 16px 18px; border: 1px dashed var(--line-strong); border-radius: 10px; color: var(--soft); }

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

/* The paper scorecard has to fit a phone without sideways scrolling. */
@media (max-width: 480px) {
  .asset__code { padding: 16px 14px 18px; font-size: 13.5px; }
  .asset__code.nowrap { font-size: 12.5px; }
}