/* RupeeCase Carousel | shared design tokens
 * 1080 x 1350 portrait. Navy + paper white only. Inter + JetBrains Mono.
 * Locked rules: no emoji . no comma in numbers . no dashes . source footer.
 */
:root {
  --navy: #0D1F3C;
  --paper: #FFFFFF;
  --navy-06: rgba(13,31,60,0.06);
  --navy-20: rgba(13,31,60,0.20);
  --navy-40: rgba(13,31,60,0.40);
  --navy-55: rgba(13,31,60,0.55);
  --navy-70: rgba(13,31,60,0.70);
  --rule: #E2E5EC;
}
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700&display=swap');

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: #2A2A2E; }
body {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 40px;
  font-family: 'Inter', sans-serif; -webkit-font-smoothing: antialiased;
}
.card {
  width: 1080px; height: 1350px;
  background: var(--paper); color: var(--navy);
  padding: 60px 60px 52px 60px;
  display: flex; flex-direction: column; justify-content: space-between;
  position: relative;
}

/* top strip */
.top { display: flex; justify-content: space-between; align-items: flex-start; }
.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 15px; color: var(--navy-55);
  letter-spacing: 0.12em; text-transform: uppercase;
}

/* headlines */
.headline {
  font-size: 56px; font-weight: 800; line-height: 1.08;
  letter-spacing: -0.025em; margin-top: 30px;
}
.u { border-bottom: 5px solid var(--navy); padding-bottom: 3px; }
.h2 { font-size: 46px; font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; }

/* hook flip */
.flip { display: flex; align-items: flex-end; gap: 40px; margin-top: 56px; }
.flip .a, .flip .b { display: flex; flex-direction: column; }
.flip .big {
  font-family: 'JetBrains Mono', monospace;
  font-size: 156px; font-weight: 700; line-height: 0.82; letter-spacing: -0.03em;
}
.flip .a .big { color: var(--navy-40); }
.flip .b .big { color: var(--navy); }
.flip .lab {
  font-family: 'JetBrains Mono', monospace;
  font-size: 19px; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--navy-55); margin-top: 20px; max-width: 320px; line-height: 1.45;
}
.arrow {
  font-family: 'JetBrains Mono', monospace; font-size: 56px; font-weight: 400;
  color: var(--navy-20); align-self: center; padding-bottom: 50px;
}
.kicker { margin-top: 52px; font-size: 25px; line-height: 1.5; color: var(--navy-70); max-width: 940px; }

/* ledger table */
.ledger { margin-top: 38px; width: 100%; border-collapse: collapse; }
.ledger th {
  font-family: 'JetBrains Mono', monospace; font-size: 17px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.06em; color: var(--navy-55);
  text-align: right; padding: 0 0 16px 0; border-bottom: 1px solid var(--rule);
}
.ledger th.name { text-align: left; }
.ledger td {
  font-family: 'JetBrains Mono', monospace; font-size: 30px;
  text-align: right; padding: 22px 0; border-bottom: 1px solid var(--rule);
}
.ledger td.name { text-align: left; font-size: 26px; font-family: 'Inter', sans-serif; font-weight: 500; }
.ledger tr.total td { font-weight: 700; border-bottom: none; border-top: 3px solid var(--navy); padding-top: 22px; }
.pos { color: var(--navy); }

/* note block */
.note {
  margin-top: 36px; padding: 28px 34px; background: var(--navy-06);
  border-left: 6px solid var(--navy);
  font-size: 26px; font-weight: 500; line-height: 1.5;
}
.note .mono { font-family: 'JetBrains Mono', monospace; font-weight: 700; }
.study {
  margin-top: 26px; font-family: 'JetBrains Mono', monospace; font-size: 20px;
  color: var(--navy-70); line-height: 1.55;
}

/* lesson rules */
.rules { display: flex; flex-direction: column; gap: 26px; margin-top: 40px; }
.rule { display: flex; gap: 26px; align-items: flex-start; }
.rule .n {
  font-family: 'JetBrains Mono', monospace; font-size: 30px; font-weight: 700;
  color: var(--navy-40); min-width: 56px; line-height: 1.1;
}
.rule .t { font-size: 25px; line-height: 1.45; font-weight: 400; }
.rule .t b { font-weight: 700; }
.closer { font-size: 28px; font-weight: 600; line-height: 1.38; margin-top: 40px; }

/* cta */
.cta-bar {
  background: var(--navy); color: var(--paper);
  padding: 26px 32px; display: flex; justify-content: space-between; align-items: center;
}
.cta-bar .label { font-size: 22px; font-weight: 600; }
.cta-bar .url {
  font-family: 'JetBrains Mono', monospace; font-size: 18px; font-weight: 500;
  border: 1px solid rgba(255,255,255,0.4); padding: 11px 18px; letter-spacing: 0.03em;
}

/* footer */
.footer-row { display: flex; justify-content: space-between; align-items: flex-end; }
.source-line {
  font-family: 'JetBrains Mono', monospace; font-size: 14px;
  color: var(--navy-55); letter-spacing: 0.04em;
}
.disclaimer {
  font-family: 'JetBrains Mono', monospace; font-size: 13px;
  color: var(--navy-40); letter-spacing: 0.02em; margin-top: 6px; max-width: 760px;
}
.author-footer {
  font-family: 'JetBrains Mono', monospace; font-size: 14px; font-weight: 500;
  color: var(--navy); letter-spacing: 0.04em; margin-top: 6px;
}
.pagination { display: flex; gap: 7px; align-items: center; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--rule); }
.dot.active { background: var(--navy); width: 24px; border-radius: 4px; }