/* ============================================================
   AR2EB — design system
   Document mode. Stripe Press gravitas + Linear restraint.
   ============================================================ */

:root {
  --paper:   #faf9f6;
  --paper-2: #f3f1eb;   /* category card hover, table band */
  --ink:     #0e0e0e;
  --ink-2:   #2a2a2a;
  --muted:   #6b6b66;
  --muted-2: #9a9a93;
  --rule:    #e3e0d8;
  --rule-2:  #d3cfc4;
  --accent:  #3d46b8;    /* desaturated dark indigo */
  --accent-ink: #2d3499;
  --neg:     #b8403f;    /* muted red */
  --pos:     #2f8f4f;    /* muted green */
  --ultra:   #7629a6;    /* deep purple — ULTRA BULL only */

  --r-sm: 4px;
  --r-md: 6px;

  --gutter: 96px;
  --gutter-sm: 24px;

  --type-display: 'Inter', system-ui, sans-serif;
  --type-mono:    'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; background: var(--paper); }
body {
  font-family: var(--type-display);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.55;
  font-feature-settings: 'ss01', 'cv11';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

button { font: inherit; cursor: pointer; }

::selection { background: var(--ink); color: var(--paper); }

/* ---- type ---- */
.mono { font-family: var(--type-mono); font-feature-settings: 'tnum'; }
.tnum { font-variant-numeric: tabular-nums; }
.eyebrow {
  font-family: var(--type-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-ink);
  font-weight: 500;
}
.muted { color: var(--muted); }

h1, h2, h3, h4 { font-weight: 600; letter-spacing: -0.01em; margin: 0; }
h1 { font-size: 44px; line-height: 1.1; letter-spacing: -0.02em; }
h2 { font-size: 30px; line-height: 1.2; letter-spacing: -0.015em; }
h3 { font-size: 20px; line-height: 1.3; }
h4 { font-size: 15px; line-height: 1.35; }

p { margin: 0 0 1em 0; text-wrap: pretty; }

/* ---- layout ---- */
.page  { min-height: 100vh; display: flex; flex-direction: column; }
.shell { flex: 1; }
.wrap  { max-width: 1180px; margin: 0 auto; padding: 0 var(--gutter); }
.wrap-narrow { max-width: 780px; margin: 0 auto; padding: 0 var(--gutter); }

/* ---- top header (every page) ---- */
.topbar {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(8px);
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.topbar-logo { display: flex; align-items: center; }
.topbar-logo img { height: 28px; display: block; }
.topbar-nav { display: flex; gap: 32px; align-items: center; }
.topbar-nav a {
  font-size: 14px;
  color: var(--ink-2);
  transition: color 160ms ease;
}
.topbar-nav a.active { color: var(--accent-ink); }
.topbar-nav a:hover  { color: var(--accent-ink); }

/* ---- footer ---- */
.footer {
  border-top: 1px solid var(--rule);
  padding: 40px 0 56px;
  margin-top: 96px;
  color: var(--muted);
  font-size: 12px;
}
.footer-strip {
  font-family: var(--type-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex; flex-wrap: wrap; gap: 8px 14px;
  align-items: baseline;
}
.footer-strip .dot { color: var(--muted-2); }
.footer-strip a { color: var(--accent-ink); }
.footer-strip a:hover { text-decoration: underline; }
.footer-bottom {
  margin-top: 24px;
  display: flex; justify-content: space-between; flex-wrap: wrap;
  gap: 16px;
  font-size: 12px;
}
.footer-bottom a { color: var(--ink-2); }
.footer-bottom a:hover { color: var(--accent-ink); }

/* ---- hero (home) ---- */
.hero {
  padding: 120px 0 96px;
  border-bottom: 1px solid var(--rule);
}
.hero-logo {
  display: block;
  width: 420px; max-width: 100%;
  margin-bottom: 56px;
}
.hero-tagline {
  font-size: 36px;
  line-height: 1.15;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 920px;
  margin: 0 0 28px 0;
}
.hero-sub {
  font-size: 18px;
  color: var(--muted);
  max-width: 720px;
  margin: 0;
  line-height: 1.55;
}

/* ---- category cards (home) ---- */
.cat-section { padding: 80px 0; }
.cat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--rule);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.cat-card {
  background: var(--paper);
  padding: 56px 48px;
  display: flex; flex-direction: column;
  cursor: pointer;
  transition: background 160ms ease;
}
.cat-card:hover { background: var(--paper-2); }
.cat-card .cat-eyebrow {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 24px;
}
.cat-card h2 { margin-bottom: 6px; }
.cat-card .cat-sub {
  font-size: 16px; color: var(--muted);
  margin-bottom: 24px;
  font-style: italic;
}
.cat-card .cat-desc {
  font-size: 15px; color: var(--ink-2);
  line-height: 1.6;
  margin-bottom: 32px;
  flex: 1;
}
.cat-card .cat-go {
  display: inline-flex; gap: 8px; align-items: center;
  font-family: var(--type-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-ink);
}
.cat-card .cat-go .arrow { transition: transform 200ms ease; }
.cat-card:hover .cat-go .arrow { transform: translateX(4px); }

.badge-count {
  font-family: var(--type-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  border: 1px solid var(--rule);
  padding: 4px 8px;
  border-radius: var(--r-sm);
}

/* ---- recent memos ---- */
.recent { padding: 24px 0 0; }
.recent h3 { margin-bottom: 24px; }
.recent-list { border-top: 1px solid var(--rule); }
.recent-row {
  display: grid;
  grid-template-columns: 90px 1fr 200px 100px;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
  cursor: pointer;
  transition: background 160ms ease;
  margin: 0 -16px;
  padding-left: 16px; padding-right: 16px;
}
.recent-row:hover { background: var(--paper-2); }
.recent-row .ticker {
  font-family: var(--type-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-2);
}
.recent-row .title {
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
}
.recent-row .head {
  font-size: 14px;
  color: var(--muted);
}
.recent-row .date {
  font-family: var(--type-mono);
  font-size: 12px;
  color: var(--muted);
  text-align: right;
}

/* ---- category index page ---- */
.cat-header { padding: 96px 0 64px; border-bottom: 1px solid var(--rule); }
.cat-header h1 { margin-bottom: 24px; max-width: 720px; }
.cat-header p { font-size: 18px; color: var(--ink-2); max-width: 780px; }

.cat-controls {
  display: flex; justify-content: space-between; align-items: center;
  padding: 32px 0 0;
  font-family: var(--type-mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.cat-controls .sort {
  display: inline-flex; gap: 6px; align-items: center;
  border: 1px solid var(--rule);
  background: var(--paper);
  border-radius: var(--r-sm);
  padding: 6px 12px;
  color: var(--ink-2);
}

.memo-list { margin-top: 48px; }
.memo-card {
  display: grid;
  grid-template-columns: 64px 1fr 220px;
  gap: 36px;
  align-items: start;
  padding: 32px 16px;
  margin: 0 -16px;
  border-top: 1px solid var(--rule);
  cursor: pointer;
  transition: background 160ms ease;
}
.memo-card:last-child { border-bottom: 1px solid var(--rule); }
.memo-card:hover { background: var(--paper-2); }

.ticker-badge {
  width: 64px; height: 64px;
  border: 1px solid var(--rule-2);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--type-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink);
  border-radius: var(--r-sm);
}

.memo-card .name {
  font-size: 18px; font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}
.memo-card .name .ex {
  font-family: var(--type-mono);
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0.04em;
  margin-left: 8px;
}
.memo-card .dcf {
  font-family: var(--type-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}
.memo-card .q {
  font-size: 16px;
  color: var(--ink-2);
  line-height: 1.55;
  max-width: 620px;
}

.memo-card .pricing {
  text-align: right;
  font-family: var(--type-mono);
  font-variant-numeric: tabular-nums;
}
.pricing .row {
  display: flex; justify-content: flex-end; gap: 10px;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.pricing .v { font-size: 18px; color: var(--ink); font-weight: 500; letter-spacing: 0; }
.pricing .delta-pos { color: var(--pos); }
.pricing .delta-neg { color: var(--neg); }
.pricing .lbl { font-size: 10px; color: var(--muted-2); letter-spacing: 0.08em; text-transform: uppercase; margin-top: 14px;}

/* ---- memo detail page ---- */
.memo-head { padding: 80px 0 56px; border-bottom: 1px solid var(--rule); }
.memo-head .eyebrow { margin-bottom: 32px; }
.memo-head .row1 {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: end;
}
.memo-head h1 { font-size: 56px; letter-spacing: -0.025em; line-height: 1.05; margin-bottom: 18px; }
.memo-head .meta {
  font-family: var(--type-mono);
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.02em;
  display: flex; flex-wrap: wrap; gap: 6px 14px;
  align-items: baseline;
}
.memo-head .meta .dot { color: var(--muted-2); }
.memo-head .meta b { color: var(--ink-2); font-weight: 500; }
.memo-head .spot {
  text-align: right;
  font-family: var(--type-mono);
  font-variant-numeric: tabular-nums;
}
.memo-head .spot .label {
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 6px;
}
.memo-head .spot .price { font-size: 44px; color: var(--ink); letter-spacing: -0.01em; line-height: 1; }
.memo-head .spot .as-of { font-size: 11px; color: var(--muted-2); margin-top: 6px; letter-spacing: 0.06em; }

.central-q {
  padding: 80px 0;
  border-bottom: 1px solid var(--rule);
}
.central-q .eyebrow { margin-bottom: 28px; }
.central-q blockquote {
  margin: 0;
  font-size: 26px;
  line-height: 1.4;
  letter-spacing: -0.012em;
  font-weight: 500;
  color: var(--ink);
  max-width: 920px;
}

.pwev {
  padding: 64px 0;
  border-bottom: 1px solid var(--rule);
}
.pwev .eyebrow { margin-bottom: 28px; }
.pwev-grid {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) 2fr;
  gap: 64px;
  align-items: start;
}
.pwev-headline {
  font-family: var(--type-mono);
  font-variant-numeric: tabular-nums;
}
.pwev-headline .label { font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.pwev-headline .big   { font-size: 52px; color: var(--ink); letter-spacing: -0.015em; line-height: 1; }
.pwev-headline .delta { font-size: 18px; margin-top: 8px; }
.pwev-headline .vs    { font-size: 13px; color: var(--muted); margin-top: 4px; }

.compound-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--type-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
}
.compound-table thead th {
  text-align: right;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  padding: 0 0 10px;
  border-bottom: 1px solid var(--rule-2);
}
.compound-table thead th:first-child { text-align: left; }
.compound-table tbody td { padding: 12px 0; border-bottom: 1px solid var(--rule); text-align: right; color: var(--ink); }
.compound-table tbody td:first-child { text-align: left; color: var(--muted); }
.compound-table tbody tr:last-child td { border-bottom: none; }

/* ---- scenarios grid ---- */
.scenarios { padding: 80px 0; border-bottom: 1px solid var(--rule); }
.scenarios .eyebrow { margin-bottom: 28px; }
.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.scn {
  background: var(--paper);
  padding: 32px 28px;
  border-top: 3px solid var(--rule-2);
  display: flex; flex-direction: column;
}
.scn.bear  { border-top-color: var(--neg);  }
.scn.base  { border-top-color: var(--muted); }
.scn.bull  { border-top-color: var(--pos);  }
.scn.ultra { border-top-color: var(--ultra); }
.scn .label {
  font-family: var(--type-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}
.scn.bear  .label { color: var(--neg); }
.scn.bull  .label { color: var(--pos); }
.scn.ultra .label { color: var(--ultra); }
.scn .price {
  font-family: var(--type-mono);
  font-variant-numeric: tabular-nums;
  font-size: 28px; color: var(--ink);
  letter-spacing: -0.01em;
  line-height: 1; margin-bottom: 6px;
}
.scn .delta {
  font-family: var(--type-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  margin-bottom: 24px;
}
.scn .prob {
  font-family: var(--type-mono);
  font-size: 11px; letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 20px;
}
.scn .prob b { color: var(--ink-2); font-weight: 500; }
.scn .head {
  font-size: 14px;
  color: var(--ink);
  line-height: 1.45;
  font-weight: 500;
  text-wrap: pretty;
}

/* ---- pdf cta ---- */
.pdf-cta-wrap { padding: 64px 0; border-bottom: 1px solid var(--rule); }
.pdf-cta {
  display: flex; justify-content: space-between; align-items: center;
  border: 1px solid var(--ink);
  padding: 28px 32px;
  border-radius: var(--r-md);
  background: var(--paper);
  transition: background 160ms ease;
}
.pdf-cta:hover { background: var(--ink); color: var(--paper); }
.pdf-cta .left .ttl { font-size: 19px; font-weight: 500; margin-bottom: 4px; }
.pdf-cta .left .meta {
  font-family: var(--type-mono); font-size: 11px;
  letter-spacing: 0.06em; color: var(--muted);
}
.pdf-cta:hover .left .meta { color: var(--muted-2); }
.pdf-cta .right {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--type-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---- scenario narratives ---- */
.narr { padding: 80px 0; border-bottom: 1px solid var(--rule); }
.narr .eyebrow { margin-bottom: 36px; }
.narr-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.narr-col { background: var(--paper); padding: 32px 24px; }
.narr-col .lbl {
  font-family: var(--type-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: var(--muted);
}
.narr-col.bear  .lbl { color: var(--neg); }
.narr-col.bull  .lbl { color: var(--pos); }
.narr-col.ultra .lbl { color: var(--ultra); }
.narr-col .top {
  display: flex; align-items: baseline; gap: 12px;
  margin-bottom: 6px;
}
.narr-col .top .price {
  font-family: var(--type-mono); font-variant-numeric: tabular-nums;
  font-size: 22px; color: var(--ink);
}
.narr-col .top .prob {
  font-family: var(--type-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.narr-col .head {
  font-size: 14px; font-weight: 500;
  color: var(--ink);
  margin: 16px 0 20px;
  line-height: 1.45;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
}
.narr-col h5 {
  font-family: var(--type-mono);
  font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 16px 0 8px;
  font-weight: 600;
}
.narr-col p {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink-2);
  margin: 0 0 12px;
}

/* ---- methodology ---- */
.methodology {
  padding: 56px 0 80px;
  border-bottom: 1px solid var(--rule);
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 800px;
}
.methodology .eyebrow { margin-bottom: 16px; }

/* ---- disclaimer block ---- */
.disclaim {
  padding: 56px 0 24px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.65;
}
.disclaim h6 {
  font-family: var(--type-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
  font-weight: 600;
  margin: 0 0 10px;
}
.disclaim p { margin: 0 0 18px; max-width: 780px; }

/* ---- about page ---- */
.about-page { padding: 96px 0; }
.about-page h1 { margin-bottom: 40px; }
.about-page h3 { margin: 48px 0 14px; }
.about-page p { font-size: 17px; color: var(--ink-2); line-height: 1.7; max-width: 720px; }
.about-page .kv {
  margin: 56px 0 0;
  display: grid;
  grid-template-columns: 140px 1fr;
  border-top: 1px solid var(--rule);
}
.about-page .kv > * {
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 15px;
}
.about-page .kv .k {
  font-family: var(--type-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  align-self: center;
}
.about-page .kv .v { color: var(--ink); }
.about-page .kv .v a { color: var(--accent-ink); }
.about-page .kv .v a:hover { text-decoration: underline; }

/* ---- disclaimers page ---- */
.disclaimers-page { padding: 96px 0; }
.disclaimers-page h1 { margin-bottom: 24px; }
.disclaimers-page .lead { font-size: 18px; color: var(--muted); margin-bottom: 56px; max-width: 720px; }
.disclaimers-page section { padding: 32px 0; border-top: 1px solid var(--rule); max-width: 800px; }
.disclaimers-page section:last-child { border-bottom: 1px solid var(--rule); }
.disclaimers-page h3 { margin-bottom: 14px; font-size: 18px; }
.disclaimers-page p { font-size: 15px; color: var(--ink-2); line-height: 1.7; }

/* ---- responsive ---- */
@media (max-width: 1024px) {
  :root { --gutter: 56px; }
  .scenarios-grid { grid-template-columns: 1fr 1fr; }
  .narr-grid { grid-template-columns: 1fr 1fr; }
  .pwev-grid { grid-template-columns: 1fr; gap: 40px; }
  h1 { font-size: 36px; }
  .memo-head h1 { font-size: 44px; }
}
@media (max-width: 760px) {
  :root { --gutter: 24px; }
  body { font-size: 16px; }
  .topbar-nav { gap: 18px; }
  .topbar-nav a { font-size: 13px; }
  .hero { padding: 72px 0 64px; }
  .hero-logo { width: 280px; margin-bottom: 36px; }
  .hero-tagline { font-size: 24px; }
  .hero-sub { font-size: 16px; }
  .cat-grid { grid-template-columns: 1fr; }
  .cat-card { padding: 36px 28px; }
  .recent-row {
    grid-template-columns: 60px 1fr;
    grid-template-areas:
      "tk title"
      "tk head"
      ".  date";
    row-gap: 4px;
  }
  .recent-row .ticker { grid-area: tk; }
  .recent-row .title  { grid-area: title; }
  .recent-row .head   { grid-area: head; }
  .recent-row .date   { grid-area: date; text-align: left; }

  .memo-card { grid-template-columns: 56px 1fr; gap: 20px; }
  .memo-card .pricing { grid-column: 1 / -1; text-align: left; padding-top: 4px; }
  .pricing .row { justify-content: flex-start; }

  .scenarios-grid { grid-template-columns: 1fr; }
  .narr-grid { grid-template-columns: 1fr; }
  .memo-head .row1 { grid-template-columns: 1fr; }
  .memo-head .spot { text-align: left; }
  .memo-head h1 { font-size: 32px; }
  .central-q blockquote { font-size: 20px; }

  .pdf-cta { flex-direction: column; gap: 18px; align-items: flex-start; }

  h1 { font-size: 30px; }
  h2 { font-size: 24px; }
}

/* ---- focus styles ---- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ── Embedded memo viewer ─────────────────────────────────────────────
   MemoPage embeds the full 5-page JSX memo (same components as the PDF
   print harness). Each .memo-page is 14"×8.5" native; the JS in
   <EmbeddedMemo> scales the inner wrapper to fit the container. The
   memo-page footer is print-only (absolute positioned overlapping
   content); the site uses normal flow so we re-flow the page chrome. */
.memo-embed-section .memo-embed-wrap {
  overflow: hidden;
  /* Reserve vertical space so the scaled content stays in flow.
     Computed via aspect-ratio: 14×8.5 per page × 5 pages = ratio 14:42.5 */
  aspect-ratio: 14 / 42.5;
  background: #fafafa;
  border: 0.5pt solid #e4e4e7;
}
.memo-embed-section .memo-embed-inner {
  /* JS sets transform: scale(); the page components retain their native
     pt sizing for layout fidelity with the PDF. */
}
.memo-embed-section .memo-page {
  page-break-after: auto;
  break-after: auto;
}