:root {
  --paper: #F3F0EA; --card: #FBFAF7; --ink: #141414; --muted: #4A4A4A; --line: #DDD7CC;
  --sleep: #2F3E6E; --movement: #B4532A; --fuel: #4F6B33; --mindset: #6B4E8C; --studio: #1F4FA0;
  --ok: #2E6B3A; --bad: #A33A2A; --radius: 10px; --brand: #20147C;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.55 Inter, system-ui, -apple-system, Segoe UI, sans-serif; }
a { color: var(--studio); }
h1, h2, h3 { line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(30px, 6vw, 48px); font-weight: 800; }
h2 { font-size: 26px; font-weight: 800; margin-top: 1.4em; }
h3 { font-size: 19px; font-weight: 600; margin-top: 1.2em; }
p, ul, ol { margin: 0 0 1em; }
li { margin-bottom: .35em; }
.top { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 20px; border-bottom: 1px solid var(--line); background: var(--paper); position: sticky; top: 0; z-index: 5; flex-wrap: wrap; }
.brand { text-decoration: none; color: var(--brand); font-size: 15px; display: inline-flex; align-items: center; gap: 10px; }
.brand .wordmark { height: 24px; width: auto; display: block; }
.cert .logo { height: 72px; width: auto; max-width: 70%; display: block; margin: 0 auto 18px; }
#nav { display: flex; gap: 14px; flex-wrap: wrap; font-size: 15px; }
#nav a { color: var(--ink); text-decoration: none; }
#nav a:hover { text-decoration: underline; }
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
.foot { max-width: 760px; margin: 0 auto; padding: 24px 16px 48px; color: var(--muted); font-size: 13px; border-top: 1px solid var(--line); }
.loading { color: var(--muted); }
.eyebrow { font-size: 12px; letter-spacing: .18em; font-weight: 600; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.lede { font-size: 20px; color: var(--muted); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin: 0 0 16px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.btn { display: inline-block; border: 0; border-radius: 999px; padding: 12px 22px; font: 600 16px Inter, sans-serif; background: var(--brand); color: #fff; cursor: pointer; text-decoration: none; }
.btn.ghost { background: transparent; color: var(--brand); border: 1.5px solid var(--brand); }
.btn.small { padding: 8px 14px; font-size: 14px; }
.btn:disabled { opacity: .45; cursor: default; }
label { display: block; font-weight: 600; font-size: 15px; margin: 12px 0 6px; }
input[type=text], input[type=email], input[type=password], input[type=number], textarea, select {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 8px; font: 16px Inter, sans-serif; background: #fff; color: var(--ink);
}
textarea { min-height: 120px; resize: vertical; }
.msg { padding: 12px 14px; border-radius: 8px; margin: 12px 0; font-size: 15px; }
.msg.err { background: #F7E3DF; color: var(--bad); }
.msg.ok { background: #E1EEDF; color: var(--ok); }
.tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.tabs button { flex: 1; padding: 10px; border: 1.5px solid var(--ink); background: transparent; border-radius: 999px; font: 600 15px Inter, sans-serif; cursor: pointer; }
.tabs button.on { background: var(--ink); color: var(--paper); }
.modules { list-style: none; padding: 0; }
.module { display: flex; gap: 16px; align-items: center; padding: 18px; background: var(--card); border: 1px solid var(--line); border-left: 8px solid var(--c, var(--ink)); border-radius: var(--radius); margin-bottom: 12px; text-decoration: none; color: var(--ink); }
.module .n { font-size: 34px; font-weight: 800; color: var(--c); min-width: 46px; }
.module .t { flex: 1; }
.module .t b { display: block; font-size: 18px; line-height: 1.25; }
.module .t small { color: var(--muted); }
.pill { font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 999px; background: var(--line); white-space: nowrap; }
.pill.done { background: var(--ok); color: #fff; }
.pill.going { background: #EDE2C8; }
.bar { height: 8px; background: var(--line); border-radius: 99px; overflow: hidden; margin: 10px 0 4px; }
.bar i { display: block; height: 100%; background: var(--ok); }
.steps { display: flex; gap: 6px; margin: 16px 0 24px; flex-wrap: wrap; }
.steps a, .steps span { flex: 1 1 40px; height: 6px; border-radius: 99px; background: var(--line); }
.steps .done { background: var(--c, var(--ink)); }
.steps .here { background: var(--ink); }
.lesson .pull { font-size: 24px; font-weight: 800; line-height: 1.2; letter-spacing: -.01em; border-left: 6px solid var(--c, var(--ink)); padding: 4px 0 4px 16px; margin: 24px 0; }
.lesson blockquote { margin: 16px 0; padding: 14px 18px; background: var(--card); border-left: 4px solid var(--c); border-radius: 6px; font-weight: 600; }
.callout { background: #EAE4D8; border-radius: 8px; padding: 14px 16px; margin: 20px 0; font-size: 15px; }
.tablewrap { overflow-x: auto; margin: 0 0 1em; }
table { border-collapse: collapse; width: 100%; font-size: 15px; background: var(--card); }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 600; }
.q { margin-bottom: 22px; }
.q p { font-weight: 600; margin-bottom: 8px; }
.opt { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border: 1.5px solid var(--line); border-radius: 8px; margin-bottom: 8px; background: #fff; cursor: pointer; font-weight: 400; font-size: 16px; }
.opt input { margin-top: 5px; }
.opt.right { border-color: var(--ok); background: #E9F3E7; }
.opt.wrong { border-color: var(--bad); background: #F8E9E6; }
.scale { display: flex; gap: 6px; margin: 6px 0 16px; }
.scale label { flex: 1; margin: 0; text-align: center; border: 1.5px solid var(--line); border-radius: 8px; padding: 8px 0; cursor: pointer; background: #fff; font-weight: 600; }
.scale input { display: none; }
.scale input:checked + span { color: var(--paper); }
.scale label:has(input:checked) { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.sources { font-size: 14px; color: var(--muted); }
.sources li { margin-bottom: 6px; }
.cert { background: #fff; border: 10px solid var(--brand); padding: 40px 32px; text-align: center; margin: 0 auto 20px; max-width: 720px; }
.cert .who { font-size: clamp(28px, 6vw, 44px); font-weight: 800; letter-spacing: -.02em; margin: 10px 0; }
.cert .what { font-size: 20px; font-weight: 600; }
.cert .meta { color: var(--muted); font-size: 14px; margin-top: 24px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 20px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.stat b { display: block; font-size: 30px; font-weight: 800; }
.stat small { color: var(--muted); }
.code { font: 600 20px ui-monospace, Menlo, monospace; letter-spacing: .08em; background: #fff; border: 1.5px dashed var(--muted); padding: 6px 12px; border-radius: 8px; display: inline-block; }
@media print {
  .top, .foot, .noprint { display: none !important; }
  body { background: #fff; }
  main { padding: 0; }
}