/* Exam prep engine — one stylesheet for every exam.
   Palette: ink, chalk, signal red (barber-pole), brass, slate. */
:root {
  --ink: #1b1f3b;
  --ink-2: #3a3f5c;
  --chalk: #ffffff;
  --paper: #f3f4f7;
  --line: #d9dbe3;
  --slate: #5a6472;
  --signal: #c8102e;
  --signal-ink: #8f0b21;
  --brass: #b98a2a;
  --pass: #1e8e5a;
  --pass-bg: #e6f4ec;
  --fail-bg: #fbe9ec;
  --radius: 6px;
  --maxw: 680px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--chalk);
  line-height: 1.5;
  font-size: 17px;
}
a { color: var(--ink); }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 16px; }

/* Header */
.top { border-bottom: 3px solid var(--ink); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.brand { font-weight: 800; letter-spacing: -0.01em; text-decoration: none; font-size: 18px; }
.brand span { color: var(--signal); }
.top nav a { font-size: 14px; margin-left: 18px; text-decoration: none; color: var(--slate); }

/* Hero */
.hero { padding: 40px 0 24px; }
.hero h1 { font-size: clamp(30px, 6vw, 44px); line-height: 1.05; letter-spacing: -0.02em; margin: 0 0 14px; font-weight: 800; max-width: 14ch; }
.hero p { font-size: 18px; color: var(--ink-2); max-width: 54ch; margin: 0 0 20px; }
.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 22px 0 0; padding: 0; list-style: none; }
.facts li { background: var(--paper); border-left: 4px solid var(--signal); padding: 10px 12px; font-size: 14px; color: var(--ink-2); }
.facts b { display: block; font-size: 22px; color: var(--ink); line-height: 1.1; }
@media (max-width: 520px) { .facts { grid-template-columns: 1fr 1fr; } }

/* Buttons */
.btn {
  display: inline-block; border: 0; cursor: pointer; text-decoration: none;
  font: inherit; font-weight: 700; font-size: 17px;
  padding: 14px 22px; border-radius: var(--radius);
  background: var(--signal); color: var(--chalk);
  transition: background .15s;
}
.btn:hover { background: var(--signal-ink); }
.btn.secondary { background: var(--ink); }
.btn.secondary:hover { background: var(--ink-2); }
.btn.ghost { background: transparent; color: var(--ink); border: 2px solid var(--ink); padding: 12px 20px; }
.btn.block { display: block; width: 100%; text-align: center; }
.btn:disabled { opacity: .5; cursor: default; }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid var(--brass); outline-offset: 2px; }

/* Quiz */
.quiz { padding: 20px 0 60px; }
.progress { height: 6px; background: var(--paper); margin: 0 0 18px; }
.progress i { display: block; height: 100%; background: var(--ink); transition: width .25s; }
.qmeta { display: flex; justify-content: space-between; font-size: 14px; color: var(--slate); margin-bottom: 10px; }
.stem { font-size: 21px; font-weight: 600; line-height: 1.35; margin: 0 0 18px; }
.opts { list-style: none; padding: 0; margin: 0 0 20px; display: grid; gap: 10px; }
.opt {
  display: block; width: 100%; text-align: left; font: inherit; cursor: pointer;
  background: var(--chalk); border: 2px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; color: var(--ink); line-height: 1.4;
}
.opt:hover { border-color: var(--ink); }
.opt.picked { border-color: var(--ink); background: var(--paper); }
.opt.right { border-color: var(--pass); background: var(--pass-bg); }
.opt.wrong { border-color: var(--signal); background: var(--fail-bg); }
.opt .k { display: inline-block; width: 22px; font-weight: 700; color: var(--slate); }
.explain { background: var(--paper); border-left: 4px solid var(--brass); padding: 12px 14px; margin: 0 0 18px; font-size: 15px; color: var(--ink-2); }
.explain b { color: var(--ink); }
.actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* Score page — the memorable moment */
.score { padding: 24px 0 40px; }
.dial { position: relative; padding: 26px 0 10px; border-top: 3px solid var(--ink); }
.dial .big { font-size: clamp(84px, 22vw, 150px); font-weight: 800; line-height: .9; letter-spacing: -0.04em; }
.dial .big small { font-size: .32em; font-weight: 700; letter-spacing: 0; vertical-align: top; margin-left: 4px; color: var(--slate); }
.dial.pass .big { color: var(--pass); }
.dial.fail .big { color: var(--signal); }
.passline { position: relative; height: 18px; background: var(--paper); margin: 18px 0 8px; }
.passline .you { position: absolute; top: 0; bottom: 0; left: 0; background: var(--ink); }
.passline .cut { position: absolute; top: -8px; bottom: -8px; width: 3px; background: var(--brass); }
.passline .cut::after { content: attr(data-label); position: absolute; top: -22px; left: 50%; transform: translateX(-50%); font-size: 12px; white-space: nowrap; color: var(--brass); font-weight: 700; }
.verdict { font-size: 20px; font-weight: 600; margin: 24px 0 8px; }
.verdict + p { color: var(--ink-2); margin: 0 0 20px; }
.weak { margin: 24px 0; }
.weak h3 { margin: 0 0 10px; font-size: 16px; }
.weak table { width: 100%; border-collapse: collapse; font-size: 15px; }
.weak td { padding: 8px 0; border-bottom: 1px solid var(--line); }
.weak td:last-child { text-align: right; font-weight: 700; }
.weak tr.bad td { color: var(--signal); }

/* Offer */
.offer { background: var(--ink); color: var(--chalk); padding: 28px 0 32px; margin-top: 10px; }
.offer h2 { margin: 0 0 8px; font-size: 26px; letter-spacing: -0.01em; }
.offer p { color: #c9cce0; margin: 0 0 18px; max-width: 54ch; }
.tiers { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 18px 0; }
@media (max-width: 520px) { .tiers { grid-template-columns: 1fr; } }
.tier { background: #262b4f; border: 2px solid #3a4070; border-radius: var(--radius); padding: 16px; }
.tier.best { border-color: var(--brass); }
.tier h3 { margin: 0 0 4px; font-size: 17px; }
.tier .price { font-size: 32px; font-weight: 800; margin: 4px 0 10px; }
.tier .price s { font-size: 16px; color: #9ba0c4; margin-left: 6px; }
.tier ul { padding-left: 18px; margin: 0 0 14px; font-size: 14px; color: #d6d8ea; }
.guarantee { font-size: 14px; color: #c9cce0; margin-top: 14px; }
.guarantee b { color: var(--chalk); }

/* Email capture */
.capture { background: var(--paper); border: 2px solid var(--line); padding: 18px; margin: 22px 0; }
.capture h3 { margin: 0 0 6px; font-size: 17px; }
.capture p { margin: 0 0 12px; font-size: 15px; color: var(--ink-2); }
.capture form { display: flex; gap: 8px; }
.capture input { flex: 1; font: inherit; padding: 12px; border: 2px solid var(--line); border-radius: var(--radius); min-width: 0; }
@media (max-width: 520px) { .capture form { flex-direction: column; } }

/* Exit intent modal */
.modal { position: fixed; inset: 0; background: rgba(27,31,59,.8); display: none; align-items: center; justify-content: center; padding: 16px; z-index: 50; }
.modal.on { display: flex; }
.modal .card { background: var(--chalk); max-width: 420px; width: 100%; padding: 24px; border-top: 6px solid var(--signal); }
.modal h3 { margin: 0 0 8px; font-size: 22px; }
.modal code { font-size: 22px; font-weight: 800; letter-spacing: .08em; background: var(--paper); padding: 4px 10px; display: inline-block; margin: 8px 0 14px; }

/* App (full bank) */
.modes { display: grid; gap: 12px; margin: 20px 0; }
.mode { display: block; text-align: left; font: inherit; cursor: pointer; background: var(--chalk); border: 2px solid var(--line); border-radius: var(--radius); padding: 16px; }
.mode:hover { border-color: var(--ink); }
.mode b { display: block; font-size: 18px; margin-bottom: 2px; }
.mode span { color: var(--slate); font-size: 15px; }
.timer { font-variant-numeric: tabular-nums; font-weight: 700; }
.timer.low { color: var(--signal); }
.topics { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.topics button { width: 100%; display: flex; justify-content: space-between; font: inherit; background: var(--chalk); border: 2px solid var(--line); border-radius: var(--radius); padding: 12px 14px; cursor: pointer; }
.topics button:hover { border-color: var(--ink); }
.topics .pct { color: var(--slate); font-size: 14px; }
.bar { height: 8px; background: var(--paper); border-radius: 4px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--pass); }
.bar i.low { background: var(--signal); }

/* Misc */
.muted { color: var(--slate); font-size: 14px; }
.notice { border: 2px solid var(--line); padding: 14px; font-size: 14px; color: var(--ink-2); margin: 20px 0; }
footer { border-top: 1px solid var(--line); margin-top: 40px; padding: 20px 0 40px; font-size: 13px; color: var(--slate); }
footer p { margin: 0 0 8px; max-width: 70ch; }
.faq h3 { font-size: 17px; margin: 22px 0 6px; }
.faq p { margin: 0; color: var(--ink-2); }
section.body { padding: 30px 0 10px; }
section.body h2 { font-size: 24px; letter-spacing: -0.01em; margin: 0 0 10px; }
section.body p { color: var(--ink-2); max-width: 60ch; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }