/* 11plus4all — brand system
   Ink navy for text and structure, cobalt for action, a pale "blotting paper"
   blue for surfaces, and a single warm marigold accent used sparingly. */
:root {
  --ink: #0d1b3e;          /* headings, header, footer */
  --ink-2: #33415f;        /* body text */
  --ink-3: #5d6b88;        /* muted text */
  --cobalt: #2150e0;       /* primary action */
  --cobalt-deep: #1a3fb4;  /* hover */
  --cornflower: #6d8ef5;   /* secondary blue */
  --sky: #dbe6ff;          /* chips, highlights */
  --mist: #eef3ff;         /* tinted sections */
  --paper: #fbfcff;        /* page */
  --card: #ffffff;
  --line: #d9e1f2;
  --marigold: #f4b43c;     /* accent: badges, highlights */
  --marigold-soft: #fff4dc;
  --good: #16865f;
  --good-soft: #e3f5ed;
  --bad: #c9364f;
  --bad-soft: #fde8ec;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(13, 27, 62, .06), 0 8px 24px rgba(13, 27, 62, .07);
  --font-head: "Literata", Georgia, "Times New Roman", serif;
  --font-body: "Lexend", "Segoe UI", system-ui, sans-serif;
  --font-read: "Literata", Georgia, serif;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink-2);
  font: 16px/1.65 var(--font-body);
}
img, svg { max-width: 100%; }
a { color: var(--cobalt); text-underline-offset: 3px; }
a:hover { color: var(--cobalt-deep); }
h1, h2, h3 { font-family: var(--font-head); color: var(--ink); line-height: 1.2; margin: 0 0 .5em; font-weight: 700; letter-spacing: 0; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--marigold); outline-offset: 2px; border-radius: 4px; }

.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }
.narrow { width: min(720px, 100% - 32px); margin-inline: auto; }
.muted { color: var(--ink-3); }
.small { font-size: .9rem; }
.center { text-align: center; }
.hidden { display: none !important; }
.eyebrow { font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--cobalt); margin-bottom: .6rem; }

/* ---------- header / footer ---------- */
.site-header { background: var(--ink); color: #fff; position: sticky; top: 0; z-index: 20; }
.site-header .wrap { display: flex; align-items: center; gap: 20px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-family: var(--font-head); font-weight: 600; font-size: 1.25rem; }
.brand:hover { color: #fff; }
.brand img { width: 34px; height: 34px; }
.brand b { color: var(--marigold); font-weight: 600; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.nav a { color: #d6e0ff; text-decoration: none; padding: 8px 12px; border-radius: 8px; font-weight: 600; font-size: .95rem; }
.nav a:hover { color: #fff; background: rgba(255,255,255,.08); }
.nav .btn { color: #fff; }
.site-footer { background: var(--ink); color: #b9c5e6; padding: 40px 0 28px; margin-top: 80px; font-size: .92rem; }
.site-footer a { color: #e2e9ff; }
.site-footer .cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 28px; }
.site-footer h4 { color: #fff; margin: 0 0 8px; font-size: 1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: 4px 0; }
.disclaimer { border-top: 1px solid rgba(255,255,255,.12); margin-top: 28px; padding-top: 18px; font-size: .82rem; color: #93a2c8; }

/* ---------- buttons, forms, cards ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 0; border-radius: 999px; padding: 12px 22px; cursor: pointer;
  background: var(--cobalt); color: #fff; font: 700 1rem/1 var(--font-body); text-decoration: none;
  transition: background .15s, transform .15s;
}
.btn:hover { background: var(--cobalt-deep); color: #fff; }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: .55; cursor: not-allowed; }
.btn.ghost { background: transparent; color: var(--cobalt); box-shadow: inset 0 0 0 2px var(--sky); }
.btn.ghost:hover { background: var(--mist); }
.btn.gold { background: var(--marigold); color: var(--ink); }
.btn.gold:hover { background: #e9a522; color: var(--ink); }
.btn.small { padding: 8px 14px; font-size: .9rem; }
.btn.block { width: 100%; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; }
.form { display: grid; gap: 14px; }
.form label { display: grid; gap: 6px; font-weight: 700; color: var(--ink); font-size: .95rem; }
.form input {
  font: inherit; padding: 12px 14px; border-radius: var(--radius-sm); border: 1.5px solid var(--line); background: #fff; color: var(--ink);
}
.form input:focus { outline: none; border-color: var(--cobalt); box-shadow: 0 0 0 3px var(--sky); }
.alert { padding: 12px 14px; border-radius: var(--radius-sm); background: var(--bad-soft); color: var(--bad); font-weight: 600; }
.alert.info { background: var(--mist); color: var(--ink); }
.alert.good { background: var(--good-soft); color: var(--good); }
.chip { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: .78rem; font-weight: 700; background: var(--mist); color: var(--cobalt-deep); }
.chip.gold { background: var(--marigold-soft); color: #8a5a00; }
.chip.lock { background: #eef0f5; color: var(--ink-3); }
.chip.good { background: var(--good-soft); color: var(--good); }

/* ---------- landing ---------- */
.hero { background: linear-gradient(180deg, var(--mist), var(--paper)); padding: 64px 0 56px; overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero p.lead { font-size: 1.2rem; color: var(--ink-2); max-width: 34em; }
.hero .cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 26px 0 14px; }
.hero h1 em { font-style: normal; color: var(--cobalt); background: linear-gradient(transparent 68%, var(--marigold-soft) 68%); }
.preview { background: var(--card); border-radius: 18px; box-shadow: 0 30px 60px -20px rgba(13,27,62,.3); border: 1px solid var(--line); overflow: hidden; }
.preview-bar { background: var(--ink); color: #fff; display: flex; justify-content: space-between; align-items: center; padding: 10px 16px; font-size: .85rem; font-weight: 700; }
.preview-bar .timer { background: rgba(255,255,255,.12); padding: 3px 10px; border-radius: 999px; }
.preview-body { padding: 18px 20px 22px; }
.preview-q { font-weight: 700; color: var(--ink); margin-bottom: 12px; }
.preview .opt { display: flex; gap: 10px; align-items: center; padding: 9px 12px; border: 1.5px solid var(--line); border-radius: 10px; margin-bottom: 8px; font-size: .95rem; }
.preview .opt b { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--mist); color: var(--cobalt); flex: none; font-size: .85rem; }
.preview .opt.sel { border-color: var(--cobalt); background: var(--mist); }
.preview .opt.sel b { background: var(--cobalt); color: #fff; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: -28px; position: relative; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.stat strong { display: block; font-family: var(--font-head); font-size: 2rem; color: var(--cobalt); line-height: 1.1; }
section.block { padding: 72px 0 0; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.feature .icon { width: 44px; height: 44px; border-radius: 12px; background: var(--mist); display: grid; place-items: center; margin-bottom: 12px; color: var(--cobalt); }
.steps { counter-reset: s; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step { position: relative; padding-top: 58px; }
.step::before { counter-increment: s; content: counter(s); position: absolute; top: 20px; left: 24px; width: 30px; height: 30px; border-radius: 50%; background: var(--marigold); color: var(--ink); font-weight: 800; display: grid; place-items: center; }
.band { background: var(--ink); color: #d4ddf6; border-radius: 22px; padding: 40px; display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; align-items: center; }
.band h2 { color: #fff; }
.price-card { background: #fff; color: var(--ink-2); border-radius: 18px; padding: 28px; }
.price { font-family: var(--font-head); font-size: 3rem; color: var(--ink); line-height: 1; }
.price small { font-family: var(--font-body); font-size: 1rem; color: var(--ink-3); }
.ticks { list-style: none; padding: 0; margin: 16px 0 22px; }
.ticks li { padding-left: 30px; position: relative; margin: 8px 0; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .3em; width: 18px; height: 18px; border-radius: 50%; background: var(--good-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' fill='none' stroke='%2316865f' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat; }
.secure { display: flex; align-items: center; gap: 8px; font-size: .85rem; color: var(--ink-3); margin-top: 12px; justify-content: center; }
details.faq { border-bottom: 1px solid var(--line); padding: 16px 0; }
details.faq summary { cursor: pointer; font-weight: 700; color: var(--ink); list-style: none; display: flex; justify-content: space-between; gap: 16px; }
details.faq summary::after { content: "+"; color: var(--cobalt); font-size: 1.4rem; line-height: 1; }
details.faq[open] summary::after { content: "–"; }
details.faq p { margin: 10px 0 0; }

/* ---------- auth ---------- */
.auth-page { min-height: calc(100vh - 64px); display: grid; place-items: center; padding: 48px 16px; background: linear-gradient(160deg, var(--mist), var(--paper)); }
.auth-page .card { width: min(440px, 100%); }

/* ---------- dashboard ---------- */
.dash-head { background: linear-gradient(180deg, var(--mist), var(--paper)); padding: 40px 0 24px; }
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 20px; }
.kpi { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.kpi span { display: block; font-size: .82rem; color: var(--ink-3); font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
.kpi strong { font-family: var(--font-head); font-size: 1.8rem; color: var(--ink); }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0 18px; }
.filters button { font: 700 .9rem var(--font-body); border: 1.5px solid var(--line); background: #fff; color: var(--ink-2); padding: 7px 14px; border-radius: 999px; cursor: pointer; }
.filters button[aria-pressed="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }
.tests { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; }
.test-card { display: flex; flex-direction: column; gap: 8px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; text-decoration: none; color: inherit; transition: border-color .15s, transform .15s, box-shadow .15s; }
a.test-card:hover { border-color: var(--cornflower); transform: translateY(-2px); box-shadow: var(--shadow); color: inherit; }
.test-card .num { font: 700 .8rem var(--font-body); color: var(--cobalt); letter-spacing: .08em; }
.test-card h3 { margin: 0; font-size: 1.1rem; }
.test-card .meta { display: flex; gap: 6px; flex-wrap: wrap; margin-top: auto; padding-top: 6px; }
.test-card.locked { opacity: .78; background: #f7f8fb; }
.bar { height: 6px; background: var(--mist); border-radius: 99px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--cobalt); border-radius: 99px; }
.unlock { display: flex; gap: 20px; align-items: center; justify-content: space-between; flex-wrap: wrap; background: var(--ink); color: #d4ddf6; border-radius: var(--radius); padding: 20px 24px; margin-top: 24px; }
.unlock strong { color: #fff; font-size: 1.1rem; }
table.history { width: 100%; border-collapse: collapse; font-size: .95rem; }
table.history th, table.history td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); }
table.history th { color: var(--ink-3); font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; }

/* ---------- test player ---------- */
body.player { background: var(--mist); }
.player-bar { background: var(--ink); color: #fff; position: sticky; top: 0; z-index: 30; }
.player-bar .wrap { display: flex; align-items: center; gap: 14px; min-height: 58px; width: min(1400px, 100% - 32px); }
.player-bar .title { font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.player-bar .spacer { flex: 1; }
.timer { font-variant-numeric: tabular-nums; font-weight: 800; background: rgba(255,255,255,.1); padding: 6px 12px; border-radius: 999px; white-space: nowrap; }
.timer.warn { background: var(--marigold); color: var(--ink); }
.timer button { background: none; border: 0; color: inherit; font: inherit; cursor: pointer; padding: 0 0 0 6px; }
.tabs { display: none; }
.layout { width: min(1400px, 100% - 32px); margin: 18px auto; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; align-items: start; }
.pane { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); position: relative; }
.pane.passage { position: sticky; top: 76px; max-height: calc(100vh - 94px); overflow: auto; padding: 26px 26px 26px 18px; }
.pane.questions { padding: 22px; }
.passage h2 { font-size: 1.6rem; margin-bottom: 2px; padding-left: 44px; }
.passage .by { padding-left: 44px; color: var(--ink-3); font-weight: 700; margin-bottom: 14px; }
.passage .intro { margin: 0 0 18px 44px; background: var(--mist); border-left: 4px solid var(--cornflower); padding: 12px 14px; border-radius: 0 10px 10px 0; font-style: italic; font-size: .95rem; }
.lines { font-family: var(--font-read); font-size: 1.02rem; line-height: 1.75; color: #1c2742; }
.ln { display: grid; grid-template-columns: 40px 1fr; gap: 4px; }
.ln .no { text-align: right; padding-right: 10px; color: var(--cornflower); font: 700 .72rem/2.45 var(--font-body); user-select: none; }
.ln.gap { margin-top: .8em; }
.ln.indent .tx { padding-left: 1.4em; }
.ln.head .tx { font-family: var(--font-head); font-weight: 700; color: var(--ink); font-size: 1.1rem; margin-top: .6em; }
.watermark { position: absolute; inset: 0; pointer-events: none; overflow: hidden; border-radius: inherit; }
.watermark span { position: absolute; white-space: nowrap; transform: rotate(-24deg); color: rgba(33, 80, 224, .06); font: 700 14px var(--font-body); }
.section-head { margin: 8px 0 16px; padding: 14px 16px; background: var(--mist); border-radius: 12px; }
.section-head h3 { margin: 0 0 4px; }
.section-head p { margin: 0; font-size: .92rem; }
.q { padding: 18px 0; border-bottom: 1px dashed var(--line); scroll-margin-top: 80px; }
.q:last-child { border-bottom: 0; }
.q-top { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 12px; }
.q-no { flex: none; width: 34px; height: 34px; border-radius: 10px; background: var(--ink); color: #fff; display: grid; place-items: center; font-weight: 800; font-size: .95rem; }
.q-stem { font-weight: 700; color: var(--ink); padding-top: 4px; }
.opts { display: grid; gap: 8px; }
.opt { display: flex; gap: 12px; align-items: center; width: 100%; text-align: left; padding: 10px 12px; border: 1.5px solid var(--line); border-radius: 11px; background: #fff; cursor: pointer; font: inherit; color: var(--ink-2); transition: border-color .12s, background .12s; }
.opt:hover { border-color: var(--cornflower); }
.opt .l { flex: none; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--mist); color: var(--cobalt); font-weight: 800; font-size: .9rem; }
.opt[aria-checked="true"] { border-color: var(--cobalt); background: var(--mist); color: var(--ink); }
.opt[aria-checked="true"] .l { background: var(--cobalt); color: #fff; }
.segs { display: flex; flex-wrap: wrap; gap: 8px; }
.segs .seg { flex: 1 1 auto; }
.seg { display: flex; flex-direction: column; gap: 4px; align-items: stretch; padding: 8px 12px; border: 1.5px solid var(--line); border-radius: 11px; background: #fff; cursor: pointer; font: inherit; font-family: var(--font-read); color: var(--ink); text-align: left; }
.seg .l { font: 800 .8rem var(--font-body); color: var(--cobalt); }
.seg:hover { border-color: var(--cornflower); }
.seg[aria-checked="true"] { border-color: var(--cobalt); background: var(--mist); }
.seg.none { font-family: var(--font-body); justify-content: center; align-items: center; text-align: center; min-width: 88px; }
.cloze-line { font-family: var(--font-read); font-size: 1.05rem; color: var(--ink); margin-bottom: 10px; }
.cloze-line .blank { display: inline-block; min-width: 90px; border-bottom: 2px solid var(--cobalt); text-align: center; color: var(--cobalt); font-weight: 700; padding: 0 6px; }
.opts.row { grid-template-columns: repeat(auto-fit, minmax(118px, 1fr)); }
.opts.row .opt { flex-direction: column; gap: 4px; text-align: center; padding: 8px 6px; }
.navigator { display: grid; grid-template-columns: repeat(10, 1fr); gap: 5px; }
.navigator a { display: grid; place-items: center; height: 30px; border-radius: 7px; background: var(--mist); color: var(--ink-3); text-decoration: none; font-size: .8rem; font-weight: 700; }
.navigator a.done { background: var(--cobalt); color: #fff; }
.submit-box { margin-top: 20px; padding: 18px; background: var(--mist); border-radius: 12px; display: grid; gap: 12px; }
dialog { border: 0; border-radius: 16px; padding: 24px; width: min(440px, 100% - 32px); box-shadow: 0 30px 80px rgba(13,27,62,.35); }
dialog::backdrop { background: rgba(13, 27, 62, .5); }
dialog .actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; flex-wrap: wrap; }

/* ---------- results ---------- */
.score-hero { display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: center; }
.ring { --p: 0; width: 150px; height: 150px; border-radius: 50%; display: grid; place-items: center; background: conic-gradient(var(--cobalt) calc(var(--p) * 1%), var(--sky) 0); }
.ring > div { width: 118px; height: 118px; border-radius: 50%; background: #fff; display: grid; place-items: center; text-align: center; }
.ring strong { font-family: var(--font-head); font-size: 2.2rem; color: var(--ink); line-height: 1; }
.sec-bars { display: grid; gap: 10px; }
.sec-bar { display: grid; grid-template-columns: 150px 1fr 56px; gap: 12px; align-items: center; font-size: .95rem; }
.sec-bar .bar { height: 10px; }
.review .q.right .q-no { background: var(--good); }
.review .q.wrong .q-no { background: var(--bad); }
.review .opt, .review .seg { cursor: default; }
.opt.is-answer, .seg.is-answer { border-color: var(--good); background: var(--good-soft); }
.opt.is-answer .l { background: var(--good); color: #fff; }
.opt.is-wrong, .seg.is-wrong { border-color: var(--bad); background: var(--bad-soft); }
.opt.is-wrong .l { background: var(--bad); color: #fff; }
.explain { margin-top: 10px; padding: 10px 14px; border-radius: 10px; background: var(--marigold-soft); color: #4a3a12; font-size: .95rem; }
.explain b { color: #7a5200; }

/* ---------- legal pages ---------- */
.legal { padding: 48px 0; }
.legal h2 { font-size: 1.4rem; margin-top: 1.6em; }
.legal .note { background: var(--marigold-soft); padding: 12px 14px; border-radius: 10px; font-size: .92rem; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero .wrap, .band, .grid-2 { grid-template-columns: 1fr; }
  .grid-3, .steps { grid-template-columns: 1fr; }
  .stats, .kpis { grid-template-columns: repeat(2, 1fr); }
  .site-footer .cols { grid-template-columns: 1fr; }
  .layout { grid-template-columns: 1fr; margin-top: 0; }
  .tabs { display: flex; position: sticky; top: 58px; z-index: 25; background: var(--ink); padding: 0 16px 10px; gap: 8px; }
  .tabs button { flex: 1; font: 700 .95rem var(--font-body); padding: 9px; border-radius: 999px; border: 0; background: rgba(255,255,255,.1); color: #fff; cursor: pointer; }
  .tabs button[aria-selected="true"] { background: #fff; color: var(--ink); }
  .pane.passage { position: static; max-height: none; }
  .layout[data-show="passage"] .pane.questions, .layout[data-show="questions"] .pane.passage { display: none; }
  .layout { padding-top: 14px; }
  .score-hero { grid-template-columns: 1fr; justify-items: center; text-align: center; }
  .sec-bar { grid-template-columns: 110px 1fr 48px; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .nav a:not(.btn) { display: none; }
  .nav a.keep { display: inline-block; }

  .pane.passage, .pane.questions { padding: 18px 14px; }
  .passage h2, .passage .by { padding-left: 0; }
  .passage .intro { margin-left: 0; }
  .ln { grid-template-columns: 30px 1fr; }
  .band { padding: 26px 20px; }
  .player-bar .title { font-size: .9rem; }
}
@media print {
  .site-header, .player-bar, .tabs, .site-footer, .submit-box { display: none !important; }
  .watermark span { color: rgba(0,0,0,.12); }
}

/* helpers (inline styles are blocked by the Content-Security-Policy) */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.eyebrow.gold { color: var(--marigold); }
.plan { padding-left: 1.2em; margin: 0; }
.plan li { margin: 6px 0; }
.footer-blurb { margin-top: 10px; max-width: 34em; }
.mt { margin-top: 24px; }
.mt-s { margin-top: 12px; }
@media (max-width: 900px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid-4 { grid-template-columns: 1fr; } }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: .9rem; color: var(--ink-2); margin-top: 8px; }
.consent input { margin-top: 4px; width: 18px; height: 18px; flex: none; accent-color: var(--cobalt); }
/* reflowed prose with line markers */
.lines.prose { padding-left: 44px; }
.lines.prose p { margin: 0 0 .9em; }
.lines .sub { font-size: 1.1rem; margin: 1em 0 .4em; }
.lm { display: inline-block; font: 700 .68rem/1 var(--font-body); color: #fff; background: var(--cornflower); border-radius: 5px; padding: 3px 5px; margin: 0 4px 0 2px; vertical-align: 2px; user-select: none; }
.line-help { padding-left: 44px; margin-top: 14px; }
@media (max-width: 560px) { .lines.prose, .line-help { padding-left: 0; } }

/* ---------- focus areas (skill donut) ---------- */
.focus { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; margin-top: 20px; }
.focus-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 8px; }
.focus-head h2 { font-size: 1.5rem; margin: 0 0 2px; }
.focus-head p { margin: 0; }
.focus-controls { display: flex; gap: 8px; flex-wrap: wrap; }
.seg-toggle { display: inline-flex; background: var(--mist); border-radius: 999px; padding: 3px; }
.seg-toggle button { border: 0; background: transparent; font: 700 .85rem var(--font-body); color: var(--ink-3); padding: 7px 13px; border-radius: 999px; cursor: pointer; }
.seg-toggle button[aria-pressed="true"] { background: #fff; color: var(--ink); box-shadow: 0 1px 3px rgba(13,27,62,.15); }
.focus-body { display: grid; grid-template-columns: 260px 1fr; gap: 28px; align-items: center; }
.donut { position: relative; margin: 0; width: 100%; max-width: 260px; justify-self: center; }
.donut svg { display: block; width: 100%; height: auto; overflow: visible; }
.slice { cursor: pointer; transition: opacity .15s; outline: none; }
.slice.dim { opacity: .3; }
.slice:focus-visible { stroke: var(--ink); stroke-width: 3; }
.donut-center { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; pointer-events: none; }
.donut-center strong { font-family: var(--font-head); font-size: 2.2rem; color: var(--ink); line-height: 1; }
.donut-center span { font-size: .8rem; color: var(--ink-3); font-weight: 700; max-width: 110px; margin-top: 4px; }
.viz-tip { position: absolute; transform: translate(-50%, -100%); background: var(--ink); color: #fff; font-size: .82rem; line-height: 1.45; padding: 8px 10px; border-radius: 8px; pointer-events: none; white-space: nowrap; z-index: 5; box-shadow: 0 6px 18px rgba(13,27,62,.25); }
.legend { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.legend button { width: 100%; display: grid; grid-template-columns: 14px 1fr auto; gap: 12px; align-items: center; text-align: left; font: inherit; color: var(--ink-2); background: #fff; border: 1.5px solid var(--line); border-radius: 11px; padding: 9px 12px; cursor: pointer; }
.legend button:hover { border-color: var(--cornflower); }
.legend button[aria-pressed="true"] { border-color: var(--ink); background: var(--mist); }
.legend button[disabled] { opacity: .45; cursor: default; }
.sw { width: 14px; height: 14px; border-radius: 4px; display: inline-block; flex: none; }
.lg-name { font-weight: 700; color: var(--ink); }
.lg-name small, .lg-val small { display: block; font-weight: 400; color: var(--ink-3); font-size: .8rem; }
.lg-val { text-align: right; font-size: .9rem; white-space: nowrap; }
.lg-val b { font-size: 1.1rem; color: var(--ink); }
.focus-detail { margin-top: 18px; }
.detail-card { border-top: 1px solid var(--line); padding-top: 18px; }
.detail-top { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.detail-top h3 { margin: 0; }
.acc { display: grid; gap: 8px; margin-bottom: 12px; max-width: 560px; }
.acc-row { display: grid; grid-template-columns: 200px 1fr 50px; gap: 12px; align-items: center; font-size: .92rem; }
.acc-row b { text-align: right; color: var(--ink); }
.acc-bar { height: 10px; background: var(--mist); border-radius: 99px; overflow: hidden; }
.acc-bar i { display: block; height: 100%; border-radius: 99px; }
.tip { background: var(--marigold-soft); color: #4a3a12; padding: 10px 14px; border-radius: 10px; font-size: .95rem; }
.skill-chip { margin-left: auto; flex: none; align-self: center; }
@media (max-width: 760px) {
  .focus-body { grid-template-columns: 1fr; }
  .acc-row { grid-template-columns: 1fr 70px 44px; }
}
@media (max-width: 560px) {
  .focus { padding: 16px; }
  .legend button { grid-template-columns: 14px minmax(0, 1fr); }
  .lg-val { grid-column: 2; text-align: left; white-space: normal; }
  .donut { max-width: 220px; }
  .viz-tip { white-space: normal; width: 180px; }
}

/* ---------- subjects & maths ---------- */
.subject-tabs { display: inline-flex; gap: 6px; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 5px; margin-top: 4px; }
.subject-tabs button { border: 0; background: transparent; font: 700 1rem var(--font-body); color: var(--ink-3); padding: 9px 18px; border-radius: 10px; cursor: pointer; }
.subject-tabs button span { display: block; font-size: .75rem; font-weight: 400; }
.subject-tabs button[aria-selected="true"] { background: var(--ink); color: #fff; }
.subject-tabs button[aria-selected="true"] span { color: #c9d4f2; }
.layout.solo { grid-template-columns: minmax(0, 860px); justify-content: center; }
.layout.solo .pane.passage { display: none; }
.q-stem.maths { font-weight: 400; color: var(--ink); line-height: 1.7; }
.q-stem.maths b { font-weight: 700; }
.figure { margin: 4px 0 16px 46px; max-width: 460px; }
.figure svg { display: block; width: 100%; height: auto; max-height: 300px; }
.qtable { margin: 4px 0 16px 46px; overflow-x: auto; }
.qtable table { border-collapse: collapse; font-size: .95rem; min-width: 260px; }
.qtable th, .qtable td { border: 1px solid var(--line); padding: 6px 12px; text-align: center; }
.qtable th { background: var(--mist); color: var(--ink); }
.frac { display: inline-flex; flex-direction: column; vertical-align: middle; text-align: center; font-size: .88em; line-height: 1.1; margin: 0 2px; }
.frac span:first-child { border-bottom: 1.5px solid currentColor; padding: 0 2px; }
.opts.row .opt .frac { font-size: .95em; }
@media (max-width: 560px) { .figure, .qtable { margin-left: 0; } }
@media (max-width: 560px) {
  .opts.row { grid-template-columns: 1fr 1fr; }
  .opts.row .opt { flex-direction: row; justify-content: flex-start; text-align: left; padding: 8px 10px; gap: 10px; }
}
/* Non-verbal: the diagram is the question, so give it the full width. */
.figure.fig-nonverbal { max-width: 620px; margin-left: 46px; }
.figure.fig-nonverbal svg { max-height: none; }
@media (max-width: 560px) { .figure.fig-nonverbal { margin-left: -4px; margin-right: -4px; } }

/* ---------- landing: four subjects ---------- */
.subject-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 4px; }
.subject-chips span { background: #fff; border: 1.5px solid var(--sky); color: var(--cobalt-deep); font-weight: 700; font-size: .9rem; padding: 6px 12px; border-radius: 999px; }
.preview-wrap { min-width: 0; }
.preview-tabs { display: flex; gap: 6px; margin-bottom: 10px; flex-wrap: wrap; }
.preview-tabs button { flex: 1; min-width: 80px; border: 1.5px solid var(--line); background: #fff; color: var(--ink-3); font: 700 .9rem var(--font-body); padding: 8px 10px; border-radius: 999px; cursor: pointer; }
.preview-tabs button[aria-selected="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.preview-pane .preview-body { min-height: 300px; }
.preview-q.big { font-family: var(--font-read); font-size: 1.15rem; margin: 6px 0 14px; }
.preview-note { font-size: .88rem; color: var(--ink-3); margin: 6px 0 10px; }
.preview-fig { margin: 6px 0 12px; }
.preview-fig svg { display: block; width: 100%; height: auto; max-height: 190px; }
.preview-fig.wide svg { max-height: none; }
.opt-row { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; }
.opt-row .opt { flex-direction: column; justify-content: center; text-align: center; gap: 4px; padding: 8px 4px; margin: 0; font-size: .9rem; }
.preview-caption { margin-top: 8px; }
.section-lead { max-width: 46em; margin-bottom: 24px; }
.subject-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.subject-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; display: flex; flex-direction: column; border-top: 5px solid var(--cobalt); }
.subject-card[data-subject="maths"] { border-top-color: var(--cornflower); }
.subject-card[data-subject="verbal"] { border-top-color: var(--marigold); }
.subject-card[data-subject="nonverbal"] { border-top-color: var(--ink); }
.subject-card .subject-top { display: flex; gap: 14px; align-items: center; margin-bottom: 12px; }
.subject-card .icon { width: 48px; height: 48px; border-radius: 12px; background: var(--mist); color: var(--cobalt); display: grid; place-items: center; flex: none; }
.subject-card h3 { margin: 0 0 2px; font-size: 1.35rem; }
.subject-card .ticks { margin: 4px 0 18px; }
.subject-card .btn { margin-top: auto; align-self: flex-start; }
@media (max-width: 900px) { .subject-grid { grid-template-columns: 1fr; } }
@media (max-width: 560px) {
  .opt-row { grid-template-columns: repeat(3, 1fr); }
  .preview-tabs button { min-width: 0; font-size: .82rem; padding: 7px 6px; }
}
@media (max-width: 560px) {
  .brand span { white-space: nowrap; }
  .site-header .wrap { gap: 10px; }
  .nav { flex-wrap: nowrap; gap: 2px; }
  .nav a { padding: 8px; white-space: nowrap; }
  .nav .btn { padding: 8px 12px; }
  .preview-tabs { display: grid; grid-template-columns: 1fr 1fr; }
  .preview-tabs button { white-space: nowrap; }
}
@media (max-width: 560px) {
  .site-header .brand { font-size: 1.05rem; gap: 7px; }
  .site-header .brand img { width: 28px; height: 28px; }
  .nav { margin-left: auto; }
}
@media (max-width: 360px) { .nav a.keep:not(.btn) { display: none; } }

/* ---------- pricing extras & free places ---------- */
.price s.was { font-size: .5em; color: var(--ink-3); margin-right: 4px; }
.founding { color: #8a5a00; background: var(--marigold-soft); display: inline-block; padding: 5px 10px; border-radius: 8px; font-weight: 700; font-size: .9rem; margin: 10px 0 0; }
.redeem { display: flex; gap: 8px; flex-wrap: wrap; }
.redeem input { flex: 1; min-width: 180px; font: 700 1rem var(--font-body); letter-spacing: .06em; text-transform: uppercase; padding: 11px 14px; border: 1.5px solid var(--line); border-radius: var(--radius-sm); }
.redeem input:focus { outline: none; border-color: var(--cobalt); box-shadow: 0 0 0 3px var(--sky); }
#redeem-msg { margin-top: 10px; }
.free-note { background: rgba(255,255,255,.08); border-left: 4px solid var(--marigold); padding: 10px 14px; border-radius: 0 10px 10px 0; }
.free-note a { color: #fff; }
.unlock-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.unlock-code { color: #d6e0ff; font-weight: 700; font-size: .95rem; }
.lead-p { font-size: 1.15rem; }

/* ---------- landing: free places / fair access ---------- */
.fair { background: linear-gradient(135deg, var(--ink), #1a3fb4); color: #d6e0ff; border-radius: 22px; padding: 40px; display: grid; grid-template-columns: 1.2fr 1fr; gap: 36px; align-items: center; }
.fair h2 { color: #fff; }
.fair p b { color: #fff; }
.fair-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.fair-list li { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); border-left: 4px solid var(--marigold); border-radius: 12px; padding: 14px 16px; }
.fair-list b { display: block; color: #fff; }
.fair-list span { font-size: .9rem; color: #b9c5e6; }
.btn.ghost-light { background: transparent; color: #fff; box-shadow: inset 0 0 0 2px rgba(255,255,255,.4); }
.btn.ghost-light:hover { background: rgba(255,255,255,.1); color: #fff; }
@media (max-width: 900px) { .fair { grid-template-columns: 1fr; padding: 28px 22px; } }

/* ---------- plainer, more personal look ---------- */
.btn { border-radius: 10px; }
.hero.plain { background: var(--paper); border-bottom: 1px solid var(--line); padding: 56px 0 48px; }
.hero.plain h1 { font-size: clamp(2rem, 4.4vw, 3rem); }
.lead-note { font-size: 1rem; color: var(--ink-2); border-left: 3px solid var(--marigold); padding-left: 12px; margin: 14px 0 6px; }
.letter { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 32px 36px; font-size: 1.05rem; }
.letter p { max-width: 38em; }
.letter-head { display: flex; gap: 14px; align-items: center; margin-bottom: 14px; }
.letter-head h2 { margin: 0; font-size: 1.6rem; }
.letter-head p { margin: 0; }
.avatar { width: 52px; height: 52px; border-radius: 50%; background: var(--sky); color: var(--cobalt-deep); display: grid; place-items: center; font: 600 1.4rem var(--font-head); flex: none; }
.signoff { font-family: var(--font-head); font-style: italic; color: var(--ink); margin-top: 18px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
table.included { width: 100%; border-collapse: collapse; font-size: .96rem; }
table.included th, table.included td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.included thead th { background: var(--mist); color: var(--ink); font-size: .85rem; }
table.included tbody th { color: var(--ink); white-space: nowrap; }
table.included td:nth-child(2), table.included td:nth-child(3), table.included td:nth-child(4) { white-space: nowrap; }
table.included tr:last-child th, table.included tr:last-child td { border-bottom: 0; }
.how-list { max-width: 46em; padding-left: 1.3em; margin: 0; }
.how-list li { margin: 0 0 14px; padding-left: 6px; }
.fair.plain { background: #fff; color: var(--ink-2); border: 1px solid var(--line); border-left: 6px solid var(--marigold); display: block; padding: 30px 34px; }
.fair.plain h2 { color: var(--ink); }
.fair.plain p b { color: var(--ink); }
.fair.plain p { max-width: 46em; }
.price-plain { display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; align-items: center; }
.price-plain p { max-width: 36em; }
@media (max-width: 900px) { .price-plain { grid-template-columns: 1fr; } .letter { padding: 24px 20px; } }
table.included td:last-child { white-space: nowrap; }

/* Normal (not slashed) zeros and lining figures in prices and scores. */
body { font-variant-numeric: lining-nums; }

/* ---------- email sign-in ---------- */
.h-check { font-size: 1.5rem; }
.code-form input { font: 700 1.6rem var(--font-body); letter-spacing: .35em; text-align: center; }
.dev-note { background: var(--marigold-soft); color: #6b4a00; padding: 8px 10px; border-radius: 8px; }