/* RealMoneyLessons design system v2. Tokens from docs/edu-site-research/modern-design.md */
:root {
  --bg: #FAF8F4; --surface: #FFFFFF; --surface-2: #F2EFE8; --line: #E4E0D6;
  --ink: #14130F; --ink-2: #55524A; --ink-3: #8A867C;
  --accent: #2F4BFF; --accent-ink: #FFFFFF; --accent-soft: #E6EAFF;
  --marker: #F2F86A; --gain: #0F7B4F; --loss: #C2362B;
  --caution-bg: #FFF1DC; --caution-ink: #8A4B00;
  --radius: 20px; --radius-s: 12px; --wrap: 1120px; --read: 68ch;
  --serif: "Instrument Serif", "Source Serif 4", Georgia, serif;
  --sans: "Geist", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", "JetBrains Mono", ui-monospace, Consolas, monospace;
  --ease: cubic-bezier(.2, .8, .2, 1);
  color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #0C0D0F; --surface: #15171A; --surface-2: #1D2024; --line: #2A2D32;
  --ink: #EDEBE6; --ink-2: #A9A59C; --ink-3: #76736C;
  --accent: #8C9BFF; --accent-ink: #0C0D0F; --accent-soft: #1C2244;
  --marker: #D9E85A; --gain: #3FC488; --loss: #FF6B5E;
  --caution-bg: #2B1E0A; --caution-ink: #FFC26B;
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0C0D0F; --surface: #15171A; --surface-2: #1D2024; --line: #2A2D32;
    --ink: #EDEBE6; --ink-2: #A9A59C; --ink-3: #76736C;
    --accent: #8C9BFF; --accent-ink: #0C0D0F; --accent-soft: #1C2244;
    --marker: #D9E85A; --gain: #3FC488; --loss: #FF6B5E;
    --caution-bg: #2B1E0A; --caution-ink: #FFC26B;
    color-scheme: dark;
  }
}
:root[lang="mk"] { --serif: "Source Serif 4", Georgia, serif; --sans: "Inter", system-ui, sans-serif; }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 var(--sans); }
a { color: var(--accent); text-underline-offset: 3px; }
img, svg { max-width: 100%; }
h1, h2, h3 { line-height: 1.15; font-weight: 400; margin: 0 0 .5em; }
h1, h2 { font-family: var(--serif); letter-spacing: -.01em; }
h1 { font-size: clamp(38px, 8vw, 68px); line-height: 1.02; letter-spacing: -.02em; }
h2 { font-size: clamp(26px, 5vw, 36px); margin-top: 1.6em; }
h3 { font-size: 20px; font-weight: 600; }
p { margin: 0 0 1em; }
.num, .mono, code { font-family: var(--mono); font-variant-numeric: tabular-nums; }
mark, .marker { background: linear-gradient(transparent 55%, var(--marker) 55%); color: inherit; padding: 0 .1em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
.section { padding: 40px 16px; }
.muted { color: var(--ink-2); }
.lead { font-size: clamp(18px, 2.4vw, 21px); color: var(--ink-2); max-width: 40em; }
.kicker { font: 500 12px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); margin: 0 0 12px; }
.kicker a { color: inherit; text-decoration: none; }
.kicker a:hover { color: var(--ink); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* header */
.site-header { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.header-row { display: flex; align-items: center; gap: 16px; padding-top: 12px; padding-bottom: 12px; }
.logo { font: 22px/1 var(--serif); color: var(--ink); text-decoration: none; margin-right: auto; white-space: nowrap; }
.logo b { font-family: var(--sans); font-weight: 700; font-size: 15px; letter-spacing: -.01em; }
.nav { display: flex; gap: 18px; flex-wrap: wrap; }
.nav a { color: var(--ink-2); text-decoration: none; font-size: 15px; }
.nav a[aria-current="page"], .nav a:hover { color: var(--ink); }
.icon-btn { border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 999px; height: 34px; min-width: 34px; padding: 0 10px; font: 13px var(--mono); cursor: pointer; }
.read-progress { position: absolute; left: 0; bottom: -1px; height: 2px; width: 0; background: var(--accent); }
@media (max-width: 640px) { .nav { gap: 12px; } .nav a { font-size: 14px; } .nav .hide-s { display: none; } }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; background: var(--accent); color: var(--accent-ink); border: 1px solid var(--accent); padding: 13px 20px; border-radius: 999px; font: 600 15px var(--sans); text-decoration: none; cursor: pointer; transition: transform .12s var(--ease); }
.btn:active { transform: scale(.98); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--ink); }

/* hero */
.hero { padding: 56px 0 24px; }
.hero h1 { max-width: 13em; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: start; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; gap: 24px; } }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 22px; }
.trust-strip { font: 12px/1.6 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); margin-top: 22px; }

/* cards */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; }
.card { position: relative; display: block; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; color: var(--ink); text-decoration: none; transition: transform .12s var(--ease), border-color .12s; overflow: hidden; }
a.card:hover { border-color: var(--ink); transform: translateY(-2px); }
.card h3 { font: 26px/1.1 var(--serif); margin: 0 0 6px; }
.card p { color: var(--ink-2); margin: 0 0 10px; font-size: 15px; }
.card.soon { opacity: .6; border-style: dashed; }
.card .bar { position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--line); }
.card .bar i { display: block; height: 100%; width: 0; background: var(--accent); }
.tag { font: 11px var(--mono); text-transform: uppercase; letter-spacing: .06em; border: 1px solid var(--line); color: var(--ink-3); padding: 2px 7px; border-radius: 999px; vertical-align: middle; }

/* split + notes */
.split { display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; align-items: start; }
@media (max-width: 760px) { .split { grid-template-columns: 1fr; } }
.note { background: var(--surface-2); border-radius: var(--radius); padding: 22px 24px; }
.note ol { margin: 0; padding-left: 1.2em; }
.steps { counter-reset: s; list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.steps li { counter-increment: s; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-s); padding: 16px; font-size: 15px; }
.steps li::before { content: "0" counter(s); display: block; font: 12px var(--mono); color: var(--accent); margin-bottom: 6px; }

/* metro map */
.metro { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; overflow-x: auto; }
.metro svg { display: block; min-width: 640px; }
.metro text { font-family: var(--mono); font-size: 11px; fill: var(--ink-2); }
.metro .line-label { font-family: var(--sans); font-weight: 700; font-size: 13px; fill: var(--ink); }
.metro a:hover circle { stroke-width: 4; }
.metro .done { fill: var(--accent); }

/* lesson */
.lesson-head { padding-top: 36px; max-width: var(--read); }
.lesson-meta { font: 13px var(--mono); color: var(--ink-3); display: flex; gap: 14px; flex-wrap: wrap; margin-top: 10px; }
.lesson-dots { display: flex; gap: 4px; margin: 14px 0 0; }
.lesson-dots a { flex: 1; height: 4px; border-radius: 2px; background: var(--line); }
.lesson-dots a.done { background: var(--accent); }
.lesson-dots a.current { background: var(--ink); }
.article { max-width: var(--read); padding-top: 8px; padding-bottom: 20px; }
.article h2 { font-size: clamp(24px, 4vw, 30px); }
.article ul, .article ol { padding-left: 1.2em; }
.article li { margin-bottom: .4em; }
.article table { border-collapse: collapse; width: 100%; margin: 1em 0; font-size: 15px; }
.article th, .article td { border-bottom: 1px solid var(--line); padding: 8px 6px; text-align: left; }
.article td { font-variant-numeric: tabular-nums; }
.takeaways { background: var(--surface-2); border-left: 4px solid var(--accent); border-radius: 0 var(--radius-s) var(--radius-s) 0; padding: 16px 20px; margin: 2em 0; }
.takeaways h2 { font: 500 12px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); margin: 0 0 8px; }
.try-this { border: 1px dashed var(--accent); border-radius: var(--radius-s); padding: 16px 20px; margin: 1.5em 0; }
.try-this h2 { font: 500 12px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--accent); margin: 0 0 8px; }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 40px 0 10px; }
.pager a { display: block; min-height: 64px; border: 1px solid var(--line); border-radius: var(--radius-s); padding: 14px 16px; text-decoration: none; color: var(--ink); background: var(--surface); }
.pager a:hover { border-color: var(--ink); }
.pager small { display: block; font: 11px var(--mono); color: var(--ink-3); text-transform: uppercase; letter-spacing: .06em; }
.pager .next { text-align: right; grid-column: 2; }
.done-btn { margin-top: 24px; }

/* blocks */
.block { margin: 1.8em 0; border-radius: var(--radius); }
.block-label { font: 500 12px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); margin: 0 0 10px; display: flex; justify-content: space-between; gap: 10px; }
.quiz { background: var(--surface); border: 1px solid var(--line); padding: 20px; }
.quiz .q { font: 22px/1.25 var(--serif); margin: 0 0 14px; }
.quiz .opts { display: grid; gap: 8px; }
.quiz button.opt { text-align: left; width: 100%; min-height: 52px; border: 1px solid var(--line); background: var(--surface-2); color: var(--ink); border-radius: var(--radius-s); padding: 12px 14px; font: 16px var(--sans); cursor: pointer; transition: transform .12s var(--ease), border-color .12s; }
.quiz button.opt:hover:not([disabled]) { border-color: var(--ink); }
.quiz button.opt.right { border-color: var(--gain); box-shadow: inset 4px 0 0 var(--gain); }
.quiz button.opt.wrong { border-color: var(--loss); box-shadow: inset 4px 0 0 var(--loss); }
.quiz button.opt[disabled] { cursor: default; }
.quiz .why { display: none; font-size: 15px; color: var(--ink-2); margin-top: 6px; }
.quiz .answered .why { display: block; }
.quiz .verdict { font: 13px var(--mono); margin-top: 12px; min-height: 1.4em; }
.quiz .verdict.ok { color: var(--gain); }
.quiz .verdict.no { color: var(--loss); }
.shake { animation: shake .3s; }
@keyframes shake { 25% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }
.recall { background: var(--accent-soft); padding: 16px 18px; border-radius: var(--radius-s); }
.recall .q { font-weight: 600; margin: 0 0 10px; }
.recall .a { display: none; margin: 10px 0 0; }
.recall.open .a { display: block; }
.recall .row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.recall .row button, .chip { border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 999px; padding: 7px 13px; font: 13px var(--mono); cursor: pointer; }
.recall .row .hidden { display: none; }
.example { background: var(--surface); border: 1px solid var(--line); padding: 18px 20px; }
.example > :last-child { margin-bottom: 0; }
.receipt { max-width: 420px; margin-left: auto; margin-right: auto; background: var(--surface); color: var(--ink); border: 1px solid var(--line); border-radius: 6px; padding: 20px 22px 26px; font: 14px/1.7 var(--mono); position: relative; box-shadow: 0 1px 0 var(--line); }
.receipt::after { content: ""; position: absolute; left: 0; right: 0; bottom: -8px; height: 8px; background: radial-gradient(circle at 6px 0, transparent 6px, var(--surface) 6.5px) repeat-x; background-size: 12px 8px; }
.receipt .r-title { text-align: center; text-transform: uppercase; letter-spacing: .1em; font-size: 12px; border-bottom: 1px dashed var(--line); padding-bottom: 10px; margin-bottom: 10px; }
.receipt .r-row { display: flex; justify-content: space-between; gap: 14px; }
.receipt .r-row span:first-child { color: var(--ink-3); }
.receipt .r-row span:last-child { text-align: right; }
.receipt .pos { color: var(--gain); } .receipt .neg { color: var(--loss); }
.receipt .r-foot { border-top: 1px dashed var(--line); margin-top: 12px; padding-top: 10px; text-align: center; font-size: 11px; color: var(--ink-3); text-transform: uppercase; letter-spacing: .08em; }
.risk-note { background: var(--caution-bg); color: var(--caution-ink); border-radius: var(--radius-s); padding: 12px 16px; font-size: 15px; }

/* sims */
.sim { background: var(--surface); border: 1px solid var(--line); padding: 20px; }
.sim label { display: block; font: 13px var(--mono); color: var(--ink-2); margin: 12px 0 6px; }
.sim input[type="range"] { width: 100%; accent-color: var(--accent); }
.sim .out { font: 600 18px var(--mono); }
.sim .row { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; flex-wrap: wrap; }
.acct { height: 16px; border-radius: 8px; background: var(--surface-2); overflow: hidden; margin: 12px 0 4px; position: relative; }
.acct i { display: block; height: 100%; background: var(--accent); transition: width .2s var(--ease); }
.acct i.bad { background: var(--loss); }
.bars3 { display: grid; gap: 10px; margin-top: 12px; }
.bars3 .acct { margin: 2px 0 0; }
.sim .caption { font-size: 14px; color: var(--ink-2); margin: 12px 0 0; }
.sim .foot { font: 11px var(--mono); color: var(--ink-3); margin-top: 10px; }
.chart svg { display: block; width: 100%; height: auto; }
.chart .ln { fill: none; stroke: var(--ink); stroke-width: 1.5; }
.chart .area { fill: var(--accent); opacity: .08; }
.chart .grid-l { stroke: var(--line); }
.chart text { font: 11px var(--mono); fill: var(--ink-3); }
.chart .crop { fill: var(--accent); opacity: .06; }

/* glossary */
.term { border: 0; background: none; padding: 0; font: inherit; color: inherit; border-bottom: 1px dotted var(--ink-2); cursor: help; }
.pop { position: absolute; z-index: 40; max-width: 300px; background: var(--surface); color: var(--ink); border: 1px solid var(--line); border-radius: var(--radius-s); padding: 12px 14px; font-size: 15px; box-shadow: 0 10px 30px rgba(0,0,0,.12); }
.pop strong { font: 20px var(--serif); display: block; margin-bottom: 4px; }
.pop a { font-size: 13px; }
@media (max-width: 640px) { .pop { position: fixed; left: 8px !important; right: 8px; bottom: 8px; top: auto !important; max-width: none; } }
.gloss-list { columns: 2 260px; column-gap: 32px; }
.gloss-list li { break-inside: avoid; margin-bottom: 10px; }

/* learn lists */
.topic-block { border-top: 1px solid var(--line); padding-top: 8px; margin-top: 24px; }
.topic-block h2 a, .topic-block h3 a { color: var(--ink); text-decoration: none; }
.lesson-list { padding-left: 1.3em; }
.lesson-list li { margin-bottom: 6px; }
.lesson-list .chk { font: 12px var(--mono); color: var(--gain); margin-left: 6px; }
.lesson-list.big { list-style: none; padding: 0; counter-reset: l; }
.lesson-list.big li { counter-increment: l; }
.lesson-list.big a { display: grid; grid-template-columns: 44px 1fr auto; gap: 10px; align-items: baseline; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-s); padding: 14px 16px; text-decoration: none; color: var(--ink); margin-bottom: 10px; }
.lesson-list.big a::before { content: counter(l, decimal-leading-zero); font: 13px var(--mono); color: var(--accent); }
.lesson-list.big a:hover { border-color: var(--ink); }
.lesson-list.big span { display: block; color: var(--ink-2); font-size: 15px; }
.lesson-list.big em { font: normal 12px var(--mono); color: var(--ink-3); }

/* cta band, forms, footer */
.cta-band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); margin-top: 32px; }
.cta-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 22px; padding-bottom: 22px; }
.cta-row h2 { margin: 0 0 4px; font-size: 26px; }
.cta-row p { margin: 0; color: var(--ink-2); }
.form { display: grid; gap: 12px; max-width: 520px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.form label { display: grid; gap: 4px; font-weight: 600; font-size: 15px; }
.form input, .form select, .form textarea { font: inherit; padding: 11px 12px; border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--bg); color: var(--ink); }
.form .msg { font-size: 15px; }
.result { background: var(--bg); border: 1px dashed var(--line); border-radius: var(--radius-s); padding: 12px 14px; }
.result strong { font: 600 20px var(--mono); }
.disclosure { font-size: 14px; color: var(--ink-2); border-left: 3px solid var(--line); padding-left: 12px; }
.feedback { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; font-size: 15px; color: var(--ink-2); border-top: 1px solid var(--line); padding-top: 16px; margin-top: 28px; }
.qa { margin-top: 28px; }
.qa .item { border-top: 1px solid var(--line); padding: 12px 0; }
.qa .item p { margin: 4px 0; }
.site-footer { border-top: 1px solid var(--line); margin-top: 56px; padding: 32px 0; font-size: 14px; color: var(--ink-2); }
.site-footer .risk { background: var(--caution-bg); color: var(--caution-ink); padding: 12px 14px; border-radius: var(--radius-s); }
.site-footer a { color: var(--ink-2); }
.lang-switch a { font: 12px var(--mono); margin-right: 8px; }

/* game */
.game { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; max-width: 720px; }
.game .stats { display: flex; gap: 16px; flex-wrap: wrap; font: 13px var(--mono); color: var(--ink-2); border-bottom: 1px dashed var(--line); padding-bottom: 10px; margin-bottom: 14px; }
.game .stats b { color: var(--ink); }
.game .lesson-pop { background: var(--accent-soft); border-radius: var(--radius-s); padding: 12px 14px; margin: 12px 0; font-size: 15px; }
.game .choices { display: grid; gap: 8px; margin-top: 12px; }

/* replay */
.replay .controls { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0; }
.replay .log { font: 13px var(--mono); max-height: 180px; overflow: auto; background: var(--surface-2); border-radius: var(--radius-s); padding: 10px; }

/* reveal */
/* hidden only once JS has confirmed it can reveal (html.rv), so content never stays invisible */
.rv .reveal { opacity: 0; transform: translateY(8px); transition: opacity .32s var(--ease), transform .32s var(--ease); }
.rv .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .rv .reveal { opacity: 1; transform: none; }
}