:root {
  --ink: #0F1B2D; --ink-2: #26324A; --muted: #4A5568; --line: #E3E7EF; --line-2: #C9D1E0;
  --bg: #F6F7FB; --card: #FFFFFF; --blue: #1F4FD1; --blue-d: #163A9E; --blue-bg: #EAF0FF;
  --green: #0F7A3D; --green-bg: #EAF7EF; --red: #B42318; --red-bg: #FDECEA; --gold: #FFC94D;
  --orange: #B4410F; --radius: 14px;
  --font: Manrope, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --hi: "Noto Sans Devanagari", var(--font);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg); font-size: 16px; line-height: 1.6; }
[lang="hi"], .hi { font-family: var(--hi); }
img { max-width: 100%; height: auto; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-d); text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.3px; margin: 0 0 12px; }
h1 { font-size: clamp(28px, 4vw, 44px); font-weight: 800; }
h2 { font-size: clamp(22px, 2.6vw, 30px); font-weight: 800; }
h3 { font-size: 20px; font-weight: 800; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }
.sr, .skip { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip:focus { position: fixed; left: 12px; top: 12px; width: auto; height: auto; clip: auto; background: #fff; padding: 10px 14px; z-index: 99; }
.wrap { max-width: 1200px; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
@media (min-width: 720px) { .wrap { padding-left: 24px; padding-right: 24px; } }
.muted { color: var(--muted); } .small { font-size: 14px; } .mono { font-family: var(--mono); }
.accent { color: var(--blue); font-weight: 700; font-size: 12px; }
.center { text-align: center; justify-content: center; }

/* language */
.hi { display: none; }
.lang-hi .hi { display: inline; }
.lang-hi div.hi, .lang-hi p.hi { display: block; }
.lang-hi .en { display: none; }
.lang-toggle { display: inline-flex; border: 1px solid var(--line-2); border-radius: 8px; overflow: hidden; }
.lang-toggle button { border: 0; background: #fff; color: var(--ink); font: inherit; font-size: 14px; font-weight: 700; padding: 8px 14px; cursor: pointer; min-height: 40px; }
.lang-toggle button[aria-pressed="true"] { background: var(--ink); color: #fff; }

/* header */
.site-header { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 12px; padding-bottom: 12px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); }
.brand:hover { text-decoration: none; color: var(--ink); }
.brand img { width: 44px; height: 44px; border-radius: 10px; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-name { font-weight: 800; font-size: 19px; }
.brand-tag { font-size: 12px; color: var(--muted); }
.menu-btn { display: none; background: none; border: 1px solid var(--line-2); border-radius: 8px; width: 44px; height: 44px; align-items: center; justify-content: center; color: var(--ink); cursor: pointer; }
.site-nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.site-nav > a:not(.btn) { padding: 10px 14px; color: var(--ink); font-weight: 600; border-radius: 8px; }
.site-nav > a:not(.btn):hover { background: var(--bg); text-decoration: none; }
@media (max-width: 860px) {
  .brand-tag { display: none; }
  .menu-btn { display: inline-flex; }
  .site-nav { display: none; width: 100%; flex-direction: column; align-items: stretch; padding-bottom: 8px; }
  .site-nav.open { display: flex; }
  .site-nav .btn { margin-top: 6px; }
}
.offer-bar { background: var(--ink); color: #fff; text-align: center; padding: 10px 16px; font-size: 14px; font-weight: 600; }
.offer-bar strong { color: var(--gold); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 18px; border-radius: 10px; font: inherit; font-weight: 700; font-size: 15px; border: 1px solid transparent; cursor: pointer; text-decoration: none; }
.btn:hover { text-decoration: none; }
.btn:disabled { opacity: .55; cursor: default; }
.btn-lg { min-height: 52px; padding: 12px 22px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--blue); color: #fff; } .btn-primary:hover { background: var(--blue-d); color: #fff; }
.btn-dark { background: var(--ink); color: #fff; } .btn-dark:hover { background: #1d2c45; color: #fff; }
.btn-outline { background: #fff; color: var(--ink); border-color: var(--line-2); } .btn-outline:hover { border-color: var(--ink); color: var(--ink); }
.btn-light { background: #fff; color: var(--ink); } .btn-light:hover { color: var(--ink); background: #EEF1F6; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* layout bits */
.section { padding-top: 40px; padding-bottom: 16px; }
.page-top { padding-top: 32px; }
.section-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 12px; margin-bottom: 20px; }
.section-lead, .lead { color: #3B475A; font-size: 17px; margin: 0 0 20px; }
.lead { font-size: 18px; max-width: 760px; }
.eyebrow { display: inline-block; font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: 1px; color: var(--blue); margin-bottom: 8px; }
.eyebrow.gold { color: var(--gold); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card + .card { margin-top: 16px; }
.card-dark { background: var(--ink); color: #fff; border-color: var(--ink); }
.card-dark .small { color: #C9D1E0; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: 14px; color: var(--muted); padding-top: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 20px; }
.grid-3 .card + .card { margin-top: 0; }
.two-col { display: flex; flex-wrap: wrap; gap: 28px; align-items: flex-start; padding-top: 20px; padding-bottom: 48px; }
.col-main { flex: 999 1 600px; min-width: 0; }
.col-side { flex: 1 1 290px; min-width: 0; }
.split { display: flex; flex-wrap: wrap; gap: 32px; padding-bottom: 56px; }
.split-main { flex: 999 1 520px; min-width: 0; } .split-side { flex: 1 1 320px; min-width: 0; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.stack .card + .card { margin-top: 0; }
.more { display: inline-block; margin-top: 14px; font-weight: 700; }
.h-sm { font-size: 18px; margin-bottom: 10px; }
.plain-list { list-style: none; margin: 0; padding: 0; }
.plain-list li { padding: 9px 0; border-bottom: 1px solid #EEF1F6; } .plain-list li:last-child { border-bottom: 0; }
.notice { background: #FFF6E0; color: #5A3B00; padding: 10px 14px; border-radius: 8px; }
.error { background: var(--red-bg); color: var(--red); padding: 10px 14px; border-radius: 8px; font-weight: 600; }

/* hero */
.hero { background: #fff; border-bottom: 1px solid var(--line); }
.hero-row { display: flex; flex-wrap: wrap; gap: 40px; align-items: center; padding-top: 56px; padding-bottom: 48px; }
.hero-main { flex: 999 1 520px; min-width: 0; }
.hero-card { flex: 1 1 320px; min-width: 0; background: var(--bg); }
.card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.check-list { margin: 8px 0 18px; padding-left: 20px; }
.search-form { display: flex; flex-wrap: wrap; gap: 10px; margin: 6px 0 18px; }
.search-form.narrow { max-width: 560px; margin-left: auto; margin-right: auto; }
.search-form input { flex: 1 1 260px; min-width: 0; height: 52px; padding: 0 16px; border: 1px solid var(--line-2); border-radius: 10px; font: inherit; font-size: 16px; color: var(--ink); background: #fff; }

/* exams & units */
.exam-card { display: flex; flex-direction: column; gap: 10px; }
.exam-card.featured { border: 2px solid var(--blue); }
.exam-card h3 a { color: var(--ink); }
.exam-card .btn { margin-top: auto; }
.price { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin: 4px 0 8px; }
.price .free { font-size: 24px; font-weight: 800; color: var(--green); }
.price s { color: #6B7587; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill { padding: 9px 14px; border-radius: 999px; border: 1px solid var(--line-2); color: var(--ink); font-size: 14px; font-weight: 700; background: #fff; }
.pill.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.pill:hover { text-decoration: none; border-color: var(--ink); }
.unit-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.unit-tile { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px; color: var(--ink); display: flex; flex-direction: column; gap: 4px; }
.unit-tile:hover { border-color: var(--blue); text-decoration: none; color: var(--ink); }
.unit-name { font-weight: 700; }
.unit-list { display: flex; flex-direction: column; gap: 12px; }
.unit-list .card + .card { margin-top: 0; }
.unit-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 14px; }
.unit-info h3 { margin: 2px 0; } .unit-info h3 a { color: var(--ink); }
.paper-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 12px; }
.paper-list .card + .card { margin-top: 0; }
.link-card { display: flex; flex-direction: column; gap: 6px; color: var(--ink); }
.link-card:hover { border-color: var(--blue); text-decoration: none; color: var(--ink); }
.link-card.compact { padding: 14px 16px; font-weight: 600; }
.link-title { font-weight: 700; font-size: 17px; }
.cat { align-self: flex-start; font-size: 12px; font-weight: 800; letter-spacing: .5px; text-transform: uppercase; color: var(--blue); }
.cat-notification, .cat-result { color: var(--orange); }

/* question index */
.q-index { padding-left: 0; list-style: none; display: flex; flex-direction: column; gap: 12px; counter-reset: q; }
.q-index .card + .card { margin-top: 0; }
.q-link { font-weight: 600; color: var(--ink); font-size: 17px; }
.q-meta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 8px; }
.answer-chip { font-size: 14px; background: var(--green-bg); color: var(--green); font-weight: 700; padding: 4px 10px; border-radius: 6px; }
.pager { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 24px; }
.pager a, .pager span { min-width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; border-radius: 8px; border: 1px solid var(--line-2); background: #fff; font-weight: 700; }
.pager span { background: var(--ink); color: #fff; border-color: var(--ink); }

/* single question */
.q-card { padding: 28px; }
.q-top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 18px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { padding: 6px 10px; border-radius: 6px; background: #F1F3F7; color: #3B475A; font-size: 13px; font-weight: 700; }
.tag-blue { background: var(--blue-bg); color: var(--blue-d); }
.q-title { font-size: clamp(20px, 2.4vw, 25px); line-height: 1.45; font-weight: 800; letter-spacing: 0; }
.options { list-style: none; padding: 0; margin: 18px 0 8px; display: flex; flex-direction: column; gap: 10px; }
.opt { width: 100%; display: flex; align-items: center; gap: 14px; text-align: left; padding: 12px 16px; min-height: 52px; border: 1px solid var(--line); border-radius: 10px; background: #fff; font: inherit; font-size: 17px; color: var(--ink); cursor: pointer; }
.opt:hover { border-color: var(--blue); }
.opt-letter { flex: none; width: 30px; height: 30px; border-radius: 50%; background: #F1F3F7; display: inline-flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px; }
.is-correct { border: 2px solid var(--green) !important; background: var(--green-bg) !important; }
.is-correct .opt-letter { background: var(--green); color: #fff; }
.picked-wrong { border: 2px solid var(--red) !important; background: var(--red-bg) !important; }
.picked-wrong .opt-letter { background: var(--red); color: #fff; }
.try-hint { margin: 4px 0 16px; }
.answer-box { border-top: 1px solid var(--line); padding-top: 16px; }
.answer-box summary { cursor: pointer; font-weight: 800; color: var(--blue); min-height: 44px; display: flex; align-items: center; }
.answer-line { background: var(--green-bg); color: #0B5A2D; padding: 12px 14px; border-radius: 10px; }
.explanation h2 { font-size: 20px; margin-top: 16px; }
.explanation { font-size: 17px; line-height: 1.7; color: var(--ink-2); }
.q-nav { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; border-top: 1px solid var(--line); padding-top: 18px; margin-top: 18px; }
.passage { border-left: 4px solid var(--blue); background: var(--bg); padding: 12px 16px; border-radius: 8px; margin: 0 0 16px; overflow-x: auto; }
.passage table, .paper table, .q-card table, .mock table { border-collapse: collapse; font-size: 14px; margin: 8px 0; }
.passage td, .passage th, .paper td, .paper th, .q-card td, .q-card th, .mock td, .mock th { border: 1px solid var(--line-2); padding: 4px 8px; }

/* paper */
.paper-bar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; }
.paper { padding-bottom: 48px; }
.paper-q .q-num, .mock-q .q-num { font-weight: 700; color: var(--blue); }
.paper-q-text { font-weight: 600; }
.paper-opts { margin: 10px 0; padding-left: 26px; }
.paper-opts li { margin: 4px 0; }
.key-grid { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(84px, 1fr)); gap: 8px; }
.key-grid a { display: block; text-align: center; padding: 8px; border: 1px solid var(--line); border-radius: 8px; font-family: var(--mono); font-size: 14px; color: var(--ink); }

/* mock */
.mock { padding-bottom: 56px; }
.mock-bar { position: sticky; top: 69px; z-index: 10; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px; margin-bottom: 16px; box-shadow: 0 4px 14px rgba(15, 27, 45, .06); }
@media (max-width: 860px) { .mock-bar { top: 69px; } }
.mock-q { margin: 0 0 14px; }
.mock-q-text { font-weight: 600; font-size: 17px; padding: 0; margin-bottom: 12px; float: left; width: 100%; }
.mock-opts { clear: both; display: flex; flex-direction: column; gap: 8px; }
.mock-opt { display: flex; align-items: center; gap: 12px; padding: 10px 14px; min-height: 48px; border: 1px solid var(--line); border-radius: 10px; cursor: pointer; }
.mock-opt:hover { border-color: var(--blue); }
.mock-opt input { width: 18px; height: 18px; accent-color: var(--blue); }
.mock-review { margin-top: 12px; }
.mock-q.skipped { border-color: #E8C26A; }
.result-card { border: 2px solid var(--blue); margin-bottom: 16px; }

/* posts */
.post h1 { margin-top: 6px; }
.byline { display: flex; gap: 12px; align-items: center; margin: 10px 0 20px; }
.avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--blue-bg); color: var(--blue-d); display: inline-flex; align-items: center; justify-content: center; font-weight: 800; }
.post-image { width: 100%; border-radius: 12px; margin-bottom: 20px; }
.prose { font-size: 18px; line-height: 1.75; color: var(--ink-2); }
.prose h2 { margin-top: 28px; color: var(--ink); } .prose h3 { margin-top: 22px; color: var(--ink); }
.prose table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; font-size: 16px; }
.prose td, .prose th { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
.prose blockquote { border-left: 4px solid var(--blue); margin: 16px 0; padding: 4px 16px; background: var(--bg); border-radius: 6px; }
.cta { background: var(--ink); color: #fff; border-radius: 12px; padding: 22px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 14px; margin-top: 28px; }
.post-card { display: flex; flex-direction: column; gap: 8px; color: var(--ink); }
.post-card img { border-radius: 10px; aspect-ratio: 16/9; object-fit: cover; }
.post-card:hover { border-color: var(--blue); text-decoration: none; color: var(--ink); }

/* auth & dashboard */
.auth-card { max-width: 480px; margin: 0 auto; }
.form { display: flex; flex-direction: column; gap: 14px; margin: 18px 0; }
.form label { display: flex; flex-direction: column; gap: 6px; font-weight: 700; font-size: 15px; }
.form input, .form select, .form textarea { font: inherit; font-weight: 400; padding: 12px 14px; border: 1px solid var(--line-2); border-radius: 10px; min-height: 48px; color: var(--ink); background: #fff; }
.progress-list { display: flex; flex-direction: column; gap: 10px; }
.progress-list .card + .card { margin-top: 0; }
.progress-row { padding: 16px 18px; }
.progress-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; font-weight: 700; }
.weak { color: var(--orange); }
.bar { height: 8px; border-radius: 4px; background: var(--line); margin-top: 10px; }
.bar-fill { height: 8px; border-radius: 4px; background: var(--blue); }
.bar-fill.weak { background: #D9622B; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.table { width: 100%; border-collapse: collapse; font-size: 15px; }
.table th, .table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); }

/* footer */
.site-footer { background: var(--ink); color: #C9D1E0; margin-top: 40px; }
.footer-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; padding-top: 36px; padding-bottom: 36px; font-size: 14px; }
.footer-name { color: #fff; font-weight: 800; font-size: 17px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-nav a { color: #C9D1E0; }

/* ===== polish v2 ===== */
.hero { position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(var(--line) 1px, transparent 1px); background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(90deg, transparent 35%, #000 100%); mask-image: linear-gradient(90deg, transparent 35%, #000 100%); }
.hero > .wrap { position: relative; }
.hero h1 { font-size: clamp(32px, 4.6vw, 54px); letter-spacing: -1.2px; }
.hero h1 .hl { color: var(--blue); }
.hero-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 24px; box-shadow: 0 18px 40px -18px rgba(15, 27, 45, .25); }
.mini-progress { display: grid; gap: 6px; margin: 14px 0 16px; font-size: 14px; font-weight: 600; }
.mini-progress > div:not(.bar) { display: flex; justify-content: space-between; margin-top: 6px; }
.mini-progress .bar { margin-top: 0; }
.search-box { flex: 1 1 260px; min-width: 0; position: relative; display: flex; align-items: center; }
.search-box svg { position: absolute; left: 14px; color: var(--muted); }
.search-box input { padding-left: 44px !important; width: 100%; }
.search-form input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px var(--blue-bg); }
.stat-band { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; margin: 0 0 40px; }
.stat-band > div { background: #fff; padding: 16px 20px; }
.stat-band dt { font-size: 13px; color: var(--muted); font-weight: 600; }
.stat-band dd { margin: 2px 0 0; font-size: 26px; font-weight: 800; letter-spacing: -.5px; }
.card { transition: border-color .15s, box-shadow .15s, transform .15s; }
a.card:hover, .unit-tile:hover, .exam-card:hover { box-shadow: 0 10px 24px -14px rgba(15, 27, 45, .35); transform: translateY(-1px); }
.exam-card { padding: 26px; }
.exam-meta { display: flex; gap: 14px; font-size: 14px; font-weight: 700; color: var(--ink-2); margin: 0; }
.exam-meta span::before { content: "•"; color: var(--blue); margin-right: 6px; }
.unit-tile { flex-direction: row; align-items: flex-start; gap: 12px; flex-wrap: wrap; }
.unit-tile .unit-name { flex: 1 1 120px; }
.unit-tile .muted { flex-basis: 100%; padding-left: 50px; margin-top: -6px; }
.unit-num { flex: none; width: 38px; height: 38px; border-radius: 10px; background: var(--blue-bg); color: var(--blue-d); font-family: var(--mono); font-weight: 700; font-size: 14px; display: inline-flex; align-items: center; justify-content: center; }
.unit-row { justify-content: flex-start; }
.unit-row .unit-info { flex: 1 1 260px; }
.unit-row .unit-info .mono { display: none; }
.q-card { box-shadow: 0 14px 34px -24px rgba(15, 27, 45, .35); }
.opt { transition: border-color .12s, background .12s; }
.answer-box summary::marker { color: var(--blue); }
.explanation { background: var(--bg); border-radius: 12px; padding: 4px 18px 14px; margin-top: 14px; }
.section h2 { position: relative; }
.paper-q { padding: 18px 20px; }
.site-footer { margin-top: 64px; }

/* ===== dark mode ===== */
@media (prefers-color-scheme: dark) {
  :root { --ink: #E8ECF4; --ink-2: #C9D1E0; --muted: #9AA6BA; --line: #26324A; --line-2: #34425E;
    --bg: #0B1220; --card: #111A2C; --blue: #6E9BFF; --blue-d: #9BBBFF; --blue-bg: #18264A;
    --green: #4ADE80; --green-bg: #0F2E1D; --red: #F87171; --red-bg: #3A1414; --orange: #F59E5B; }
  body { background: var(--bg); }
  .site-header, .hero, .hero-card, .stat-band > div, .search-form input, .unit-tile, .pill, .opt, .btn-outline, .lang-toggle button,
  .table-wrap, .form input, .form select, .form textarea, .mock-bar, .key-grid a, .pager a, .mock-opt { background: var(--card); color: var(--ink); }
  .btn-primary { background: #2F5FE0; color: #fff; } .btn-primary:hover { background: #4A74EA; color: #fff; }
  .btn-dark, .offer-bar, .card-dark, .cta, .site-footer { background: #1B2740; color: #fff; }
  .btn-light { background: #E8ECF4; color: #0F1B2D; }
  .pill.on, .lang-toggle button[aria-pressed="true"], .pager span { background: #E8ECF4; color: #0F1B2D; }
  .tag, .opt-letter { background: #1D2942; color: var(--ink-2); }
  .answer-line { color: #B9F5CF; } .notice { background: #3A2E10; color: #F8DFA0; }
  .site-nav > a:not(.btn):hover { background: #1B2740; }
  img[src*="binary-brothers-mark"] { background: #fff; }
}
.live-dot { font-size: 12px; font-weight: 700; color: var(--green); display: inline-flex; align-items: center; gap: 6px; }
.live-dot::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px var(--green-bg); }
.mini-progress a { color: var(--ink); }
.hero-card .btn-row .btn { flex: 1 1 120px; }
.social-chip { display: inline-flex; align-items: center; gap: 6px; padding: 8px 12px; border-radius: 999px; color: var(--brand); font-weight: 700; font-size: 14px; border: 1px solid var(--line-2); min-height: 40px; }
.social-chip:hover { text-decoration: none; border-color: var(--brand); color: var(--brand); }
.footer-end { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.footer-social { display: flex; flex-wrap: wrap; gap: 10px; }
.footer-social a { display: inline-flex; align-items: center; gap: 6px; color: #fff; background: rgba(255,255,255,.08); padding: 8px 12px; border-radius: 10px; font-weight: 600; }
.footer-social a svg { color: var(--brand); }
.footer-social a:hover { background: rgba(255,255,255,.16); text-decoration: none; color: #fff; }
.join-band { margin-top: 28px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px 22px; }
.btn-brand { background: var(--brand); color: #fff; } .btn-brand:hover { color: #fff; filter: brightness(.95); }
.btn-brand svg { color: #fff; } .btn-brand svg path[fill="#fff"], .btn-brand svg path[stroke="#fff"] { fill: var(--brand); stroke: var(--brand); }
.site-nav > a.social-chip { color: var(--brand); padding: 8px 12px; }
.site-nav > a.social-chip span { color: var(--ink); }
.hero-card .btn-row .btn { flex: 1 1 140px; white-space: nowrap; }
/* multi-part question stems (booklet imports) */
.q-title p { margin: 0 0 10px; }
.q-title p:not(:first-child), .q-title ol, .q-title table { font-size: 17px; font-weight: 600; line-height: 1.55; }
.q-title table, .mock-q-text table, .paper-q-text table { font-weight: 400; width: 100%; max-width: 680px; display: block; overflow-x: auto; }
.q-title th, .mock-q-text th, .paper-q-text th { background: var(--bg); text-align: left; }
.q-title figure, .mock-q-text figure, .paper-q-text figure, .explanation figure { margin: 10px 0; }
.q-title figure img, .mock-q-text figure img, .paper-q-text figure img, .opt figure img { background: #fff; border-radius: 8px; border: 1px solid var(--line); max-width: 100%; }
.stmt-list { list-style: none; padding: 0; margin: 6px 0 10px; display: grid; gap: 4px; }
.q-title pre, .mock-q-text pre, .paper-q-text pre { font-size: 14px; background: var(--bg); padding: 10px 12px; border-radius: 8px; overflow-x: auto; font-weight: 400; }
.mock-q-text p, .paper-q-text p { margin: 0 0 6px; }
.opt figure, .mock-opt figure { margin: 0; }