/* Filblad landing page + Learn articles. Same warm paper, tatreez colours and type as the workbook. */
:root {
  --paper: #f6f1e3; --paper-2: #efe8d4; --paper-3: #e8dcc0;
  --ink: #2a2a22; --muted: #6e6b58; --line: #d9d0b8;
  --clay: #b0553f; --clay-2: #c06c54; --peach: #e0a480; --olive: #5d6143; --olive-2: #707054; --khaki: #c8c098; --cream: #ece0c8;
  --f-display: "Lalezar", "Noto Naskh Arabic", serif;
  --f-ar: "Noto Naskh Arabic", "Geeza Pro", serif;
  --f-ui: "Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-serif: Georgia, "Times New Roman", serif;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 17px/1.6 var(--f-ui); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--clay); text-underline-offset: 3px; }
[lang="ar"] { font-family: var(--f-ar); }
.wrap { width: min(1120px, 100%); margin-inline: auto; padding-inline: 24px; }
.narrow { width: min(760px, 100%); margin-inline: auto; padding-inline: 24px; }
h1, h2, h3 { text-wrap: balance; }

/* nav */
.nav { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10; background: color-mix(in srgb, var(--paper) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; gap: 22px; min-height: 64px; }
.logo { font: 400 30px/1 var(--f-display); color: var(--clay); text-decoration: none; }
.nav-links { display: flex; gap: 20px; margin-inline-start: auto; }
.nav-links a { color: var(--ink); text-decoration: none; font-weight: 600; font-size: 15px; }
.nav-links a:hover { color: var(--clay); }
.nav-cta { display: flex; gap: 8px; }
@media (max-width: 760px) { .nav-links { display: none; } .nav-cta { margin-inline-start: auto; } .nav-cta .btn.ghost { display: none; } }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 22px; border-radius: 999px; border: 1.5px solid var(--olive); color: var(--olive); background: transparent; font: 700 15px var(--f-ui); text-decoration: none; cursor: pointer; }
.btn.solid { background: var(--olive); color: var(--paper); }
.btn.clay { background: var(--clay); border-color: var(--clay); color: #fff; }
.btn:hover { filter: brightness(1.06); }
.btn:focus-visible, a:focus-visible { outline: 2px solid var(--clay); outline-offset: 3px; }
.btn.sm { min-height: 38px; padding: 0 16px; font-size: 14px; }

/* hero */
.hero { padding-block: 56px 40px; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.kicker { margin: 0 0 10px; font: 700 13px var(--f-ui); letter-spacing: .12em; text-transform: uppercase; color: var(--clay); }
.hero h1 { margin: 0; font: 400 clamp(64px, 11vw, 112px)/1 var(--f-display); color: var(--clay); }
.hero .sub { margin: 14px 0 0; font: 400 clamp(22px, 3.2vw, 30px)/1.3 var(--f-serif); color: #5b5d43; }
.hero .lede { margin: 18px 0 0; max-width: 52ch; color: var(--muted); font-size: 18px; }
.hero .ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero .note { margin: 12px 0 0; font-size: 14px; color: var(--muted); }
.book { position: relative; border-radius: 18px; overflow: hidden; background: var(--paper-3); box-shadow: 0 30px 70px rgba(60, 50, 20, .22), 0 2px 0 rgba(0,0,0,.04); aspect-ratio: 3 / 4; display: grid; grid-template-rows: auto 1fr auto; transform: rotate(-1.5deg); }
.book img { width: 100%; height: auto; }
.book .book-title { display: grid; place-content: center; text-align: center; gap: 6px; padding: 8px 16px; }
.book .book-title b { font: 400 clamp(54px, 7vw, 78px)/1 var(--f-display); color: var(--olive); }
.book .book-title span { font: 400 16px/1.35 var(--f-serif); color: #5b5d43; }
@media (max-width: 860px) { .hero .wrap { grid-template-columns: 1fr; gap: 32px; } .book { max-width: 380px; margin-inline: auto; } }

/* sections */
section.block { padding-block: 64px; }
section.block.alt { background: var(--paper-2); }
.sec-h { margin: 0 0 8px; font: 700 clamp(28px, 4vw, 40px)/1.15 var(--f-ui); letter-spacing: -.01em; }
.sec-s { margin: 0 0 32px; max-width: 62ch; color: var(--muted); font-size: 18px; }
.sec-k { margin: 0 0 8px; font: 400 26px/1 var(--f-display); color: var(--clay); }

/* motif tiles */
.tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 0; padding: 0; list-style: none; }
.tile { display: flex; gap: 14px; align-items: flex-start; padding: 18px; border-radius: 16px; background: var(--paper); border: 1px solid var(--line); }
.alt .tile { background: var(--paper); }
.tile-art { flex: none; display: grid; place-items: center; width: 60px; height: 60px; border-radius: 12px; }
.tile-art img { width: 46px; height: 46px; object-fit: contain; image-rendering: pixelated; }
.tile h3 { margin: 2px 0 4px; font: 700 18px/1.25 var(--f-ui); }
.tile p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.5; }
@media (max-width: 900px) { .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .tiles { grid-template-columns: 1fr; } }

/* how it works */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.step { margin: 0; display: grid; gap: 14px; align-content: start; }
.shot { border-radius: 16px; overflow: hidden; background: var(--paper); border: 1px solid var(--line); box-shadow: 0 14px 34px rgba(60, 50, 20, .12); aspect-ratio: 4 / 5; }
.shot img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.step figcaption b { display: block; font: 700 18px/1.3 var(--f-ui); }
.step figcaption span { color: var(--muted); font-size: 15px; }
.step .num { display: inline-grid; place-items: center; width: 28px; height: 28px; margin-inline-end: 8px; border-radius: 50%; background: var(--clay); color: #fff; font: 700 14px var(--f-ui); vertical-align: 2px; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; max-width: 440px; margin-inline: auto; } }

/* units */
.units { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; margin: 0; padding: 0; list-style: none; }
.unit-card { position: relative; display: grid; align-content: end; gap: 2px; min-height: 170px; padding: 14px; border-radius: 14px; overflow: hidden; color: var(--ink); background-size: 160px auto; text-decoration: none; }
.unit-card::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 30%, color-mix(in srgb, var(--paper) 92%, transparent) 72%); }
.unit-card > * { position: relative; }
.unit-card .u-motif { position: absolute; top: 14px; inset-inline-start: 14px; width: 54px; height: 54px; object-fit: contain; image-rendering: pixelated; }
.unit-card .u-n { font: 700 12px var(--f-ui); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.unit-card .u-ar { font: 400 24px/1.2 var(--f-display); color: var(--ink); }
.unit-card .u-en { font: 600 14px/1.3 var(--f-ui); color: var(--muted); }
.unit-card .u-free { position: absolute; top: 14px; inset-inline-end: 14px; padding: 2px 10px; border-radius: 999px; background: var(--clay); color: #fff; font: 700 12px var(--f-ui); }
@media (max-width: 960px) { .units { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 560px) { .units { grid-template-columns: repeat(2, minmax(0, 1fr)); } .unit-card { min-height: 150px; } }

/* articles */
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin: 0; padding: 0; list-style: none; }
.card { display: grid; grid-template-rows: auto 1fr; border-radius: 16px; overflow: hidden; background: var(--paper); border: 1px solid var(--line); color: var(--ink); text-decoration: none; transition: transform .15s ease, box-shadow .15s ease; }
.card:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(60, 50, 20, .12); }
@media (prefers-reduced-motion: reduce) { .card { transition: none; } .card:hover { transform: none; } }
.card-art { display: grid; place-items: center; height: 120px; }
.card-art img { width: 64px; height: 64px; object-fit: contain; image-rendering: pixelated; }
.card-body { display: grid; gap: 6px; align-content: start; padding: 16px 18px 18px; }
.card-body .meta { font: 700 12px var(--f-ui); letter-spacing: .08em; text-transform: uppercase; color: var(--clay); }
.card-body h3 { margin: 0; font: 700 18px/1.3 var(--f-ui); }
.card-body p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.5; }
@media (max-width: 900px) { .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .cards { grid-template-columns: 1fr; } }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; max-width: 1080px; margin-inline: auto; align-items: stretch; }
.plan { display: grid; gap: 14px; align-content: start; padding: 28px; border-radius: 20px; background: var(--paper); border: 1px solid var(--line); }
.plan.main { border: 2px solid var(--clay); box-shadow: 0 20px 50px rgba(176, 85, 63, .14); }
.plan h3 { margin: 0; font: 700 20px var(--f-ui); }
.plan .price { margin: 0; font: 800 44px/1 var(--f-ui); }
.plan .price small { font-size: 16px; font-weight: 600; color: var(--muted); }
.plan ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.plan li { position: relative; padding-inline-start: 26px; }
.plan li::before { content: "✓"; position: absolute; inset-inline-start: 2px; color: var(--clay); font-weight: 800; }
.plan .fine { margin: 0; font-size: 13px; color: var(--muted); }
@media (max-width: 900px) { .plans { grid-template-columns: minmax(0, 1fr); max-width: 480px; } }

/* faq */
.faq { display: grid; gap: 10px; max-width: 820px; margin-inline: auto; }
.faq details { padding: 16px 20px; border-radius: 14px; background: var(--paper); border: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 700; font-size: 17px; }
.faq p { margin: 10px 0 0; color: var(--muted); }

/* footer */
.foot { margin-top: 0; }
.foot-art { height: 120px; background: var(--paper-3) url(/img/covers/book-bottom.jpg) right bottom / auto 120px repeat-x; }
.foot .wrap { display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: center; justify-content: space-between; padding-block: 24px 40px; color: var(--muted); font-size: 14px; }
.foot nav { display: flex; flex-wrap: wrap; gap: 16px; }
.foot a { color: var(--ink); }

/* article page */
.crumbs { margin: 28px 0 0; font-size: 14px; color: var(--muted); }
.crumbs a { color: var(--muted); }
.art-head { display: grid; gap: 12px; padding-block: 20px 8px; }
.art-head .meta { font: 700 13px var(--f-ui); letter-spacing: .1em; text-transform: uppercase; color: var(--clay); }
.art-head h1 { margin: 0; font: 700 clamp(32px, 5vw, 48px)/1.12 var(--f-ui); letter-spacing: -.015em; }
.art-head .intro { margin: 0; font: 400 21px/1.5 var(--f-serif); color: #5b5d43; }
.art-banner { height: 10px; margin: 18px 0 8px; border-radius: 6px; background: linear-gradient(90deg, var(--clay) 0 20%, var(--olive) 20% 40%, var(--peach) 40% 60%, var(--khaki) 60% 80%, var(--olive-2) 80%); }
.prose { padding-bottom: 24px; }
.prose h2 { margin: 40px 0 10px; font: 700 26px/1.25 var(--f-ui); }
.prose p { margin: 0 0 16px; }
.prose [lang="ar"] { font-size: 1.12em; }
.ex-list { margin: 0 0 20px; padding: 0; list-style: none; display: grid; gap: 8px; }
.ex-list li { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 4px 16px; align-items: baseline; padding: 12px 16px; border-radius: 12px; background: var(--paper-2); }
.ex-list .ar { grid-row: span 2; font: 600 24px/1.5 var(--f-ar); direction: rtl; text-align: right; }
.ex-list .say { color: var(--clay); font-weight: 600; }
.ex-list .en { color: var(--muted); }
@media (max-width: 560px) { .ex-list li { grid-template-columns: 1fr; } .ex-list .ar { grid-row: auto; } }
.tbl { overflow-x: auto; margin: 0 0 22px; border-radius: 12px; border: 1px solid var(--line); }
.tbl table { width: 100%; border-collapse: collapse; font-size: 16px; }
.tbl caption { padding: 10px 14px; text-align: left; font-weight: 700; color: var(--muted); font-size: 14px; }
.tbl th, .tbl td { padding: 10px 14px; border-top: 1px solid var(--line); text-align: left; vertical-align: top; }
.tbl thead th { background: var(--paper-2); font-size: 14px; }
.tbl td [lang="ar"], .tbl td.ar { font-size: 20px; }
.tip { margin: 0 0 20px; padding: 14px 18px; border-radius: 12px; border-inline-start: 5px solid var(--clay); background: color-mix(in srgb, var(--clay) 8%, var(--paper)); }
.tip b:first-child { color: var(--clay); }
.practice { margin: 8px 0 24px; padding: 18px 20px; border-radius: 16px; background: var(--paper-2); }
.practice h2 { margin-top: 0; }
.practice ol { margin: 0; padding-inline-start: 22px; display: grid; gap: 10px; }
.practice details summary { cursor: pointer; color: var(--clay); font-weight: 600; font-size: 15px; }
.practice details p { margin: 6px 0 0; }
.cta-box { display: grid; gap: 12px; justify-items: start; margin: 32px 0; padding: 26px; border-radius: 20px; color: var(--paper); background: var(--olive) url(/img/covers/cover-33-motif.png) right 20px center / 90px auto no-repeat; }
.cta-box h2 { margin: 0; font: 700 24px/1.25 var(--f-ui); color: var(--paper); }
.cta-box p { margin: 0; max-width: 46ch; color: color-mix(in srgb, var(--paper) 85%, transparent); }
.cta-box .btn { border-color: var(--paper); color: var(--olive); background: var(--paper); }
@media (max-width: 560px) { .cta-box { background-image: none; } }
.related { padding-block: 24px 56px; }

/* ---------- grammar reference + practice pages ---------- */
.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.g-head { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 28px; align-items: center; padding-block: 18px 22px; }
.g-head .meta { margin: 0 0 8px; font: 700 13px var(--f-ui); letter-spacing: .1em; text-transform: uppercase; color: var(--clay); }
.g-head h1 { margin: 0; font: 700 clamp(30px, 4.6vw, 46px)/1.12 var(--f-ui); letter-spacing: -.015em; }
.g-head .intro { margin: 12px 0 0; max-width: 62ch; font: 400 20px/1.5 var(--f-serif); color: #5b5d43; }
.g-badge { display: grid; justify-items: center; gap: 6px; width: 170px; padding: 18px 12px 14px; border-radius: 18px; background: var(--g-bg); box-shadow: 0 16px 36px rgba(60, 50, 20, .16); }
.g-badge img { width: 92px; height: 92px; object-fit: contain; image-rendering: pixelated; }
.g-badge b { font: 400 28px/1.2 var(--f-display); color: var(--ink); text-align: center; }
@media (max-width: 700px) { .g-head { grid-template-columns: minmax(0, 1fr); } .g-badge { display: none; } }
.g-chips { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 6px; margin-bottom: 18px; scrollbar-width: thin; }
.g-chip { flex: none; display: inline-flex; gap: 6px; align-items: baseline; padding: 7px 14px; border-radius: 999px; border: 1.5px solid var(--line); background: var(--paper); color: var(--ink); font-weight: 600; font-size: 14px; text-decoration: none; white-space: nowrap; }
.g-chip:hover { border-color: var(--olive); }
.g-chip.on { background: var(--olive); border-color: var(--olive); color: var(--paper); }
.g-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 36px; align-items: start; }
.g-side { position: sticky; top: 84px; display: grid; gap: 16px; }
@media (max-width: 960px) { .g-grid { grid-template-columns: minmax(0, 1fr); } .g-side { position: static; } }
.g-h { margin: 26px 0 8px; font: 700 26px/1.25 var(--f-ui); }
.g-main > p { max-width: 68ch; }
.g-marks { max-width: 420px; }
.g-marks td.mk { font: 700 22px/1.4 var(--f-ar); color: var(--clay); direction: rtl; }
.g-legend { font-size: 14px; color: var(--muted); }
.gp { color: #2f6db5; font-weight: 700; }
.gs { color: var(--clay); font-weight: 700; }
.gf { font: 600 22px/1.5 var(--f-ar); direction: rtl; unicode-bidi: isolate; white-space: nowrap; }
.g-jump { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 8px; }
.g-jump a { padding: 4px 10px; border-radius: 8px; background: var(--paper-2); color: var(--ink); font-size: 14px; text-decoration: none; }
.g-jump a:hover { background: var(--paper-3); }
.verb { padding-top: 18px; scroll-margin-top: 80px; }
.verb h2 { margin: 6px 0 10px; font: 700 22px/1.3 var(--f-ui); }
.verb h2 [lang="ar"] { font: 600 26px/1.3 var(--f-ar); }
table.conj th[scope="row"] { white-space: nowrap; }
table.conj th[scope="row"] [lang="ar"] { font: 600 18px var(--f-ar); }
table.conj th[scope="row"] small { display: block; color: var(--muted); font-weight: 500; font-size: 12.5px; }
table.conj td { vertical-align: middle; }
table.conj td.sy { color: var(--clay); font-weight: 600; }
table.conj td.en { color: var(--muted); font-size: 15px; }
table.conj td.pl { width: 48px; text-align: center; }
button.play { width: 36px; height: 36px; border: 0; border-radius: 50%; background: color-mix(in srgb, var(--clay) 13%, transparent); color: var(--clay); font-size: 13px; cursor: pointer; }
button.play:hover { background: color-mix(in srgb, var(--clay) 22%, transparent); }
.sents { margin: 4px 0 8px; padding: 10px 14px; border-radius: 12px; background: var(--paper-2); }
.sents summary { cursor: pointer; font-weight: 700; color: var(--olive); }
.sents ul { margin: 10px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.sents li { position: relative; padding: 10px 52px 10px 14px; border-radius: 10px; background: var(--paper); }
.sents li p { margin: 0; }
.sents .s-ar { font: 500 20px/1.6 var(--f-ar); direction: rtl; text-align: right; }
.sents .s-ar mark { background: none; color: var(--clay); font-weight: 700; }
.sents .s-say { color: var(--clay); font-size: 14px; font-weight: 600; }
.sents .s-en { color: var(--muted); font-size: 14px; }
.sents li .play { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); }
.g-read { padding-block: 28px 56px; }
.g-practice-link { display: grid; gap: 4px; padding: 18px 20px; border-radius: 18px; background: var(--clay); color: #fff; text-decoration: none; box-shadow: 0 14px 30px rgba(176, 85, 63, .22); }
.g-practice-link b { font-size: 19px; }
.g-practice-link span { font-size: 14px; opacity: .9; }
.g-practice-link:hover { filter: brightness(1.05); }
.g-card { display: grid; gap: 8px; }
.g-sub { justify-self: start; font-weight: 700; font-size: 15px; }
/* quick quiz (multiple choice) */
.quiz-card { padding: 18px 20px; border-radius: 18px; background: var(--paper-2); }
.quiz-card h2 { margin: 0 0 6px; font: 700 20px var(--f-ui); }
.qz-q { margin: 0 0 12px; }
.qz-q b { color: var(--clay); }
.qz-opts { display: grid; gap: 8px; }
.qz-opts button { min-height: 50px; border: 1.5px solid var(--line); border-radius: 12px; background: var(--paper); color: var(--ink); font: 600 22px var(--f-ar); cursor: pointer; }
.qz-opts button:hover:not(:disabled) { border-color: var(--olive); }
.qz-opts button.ok { border-color: #3f7a45; background: #e4efe3; }
.qz-opts button.no { border-color: #b23a3a; background: #f6e2df; }
.qz-score { margin: 10px 0; min-height: 1.2em; font-weight: 700; color: var(--olive); }
/* practice drill (the workbook's widget) */
.dr-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 36px; align-items: start; padding-bottom: 56px; }
@media (max-width: 960px) { .dr-wrap { grid-template-columns: minmax(0, 1fr); } }
.drill { display: grid; gap: 14px; padding: 22px; border-radius: 22px; background: var(--paper-2); box-shadow: inset 0 0 0 1px var(--line); }
.dr-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.dr-pick { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14px; color: var(--muted); }
.dr-select { height: 38px; padding: 0 34px 0 14px; border: 1.5px solid color-mix(in srgb, var(--ink) 45%, transparent); border-radius: 999px; background: var(--paper) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6' fill='none' stroke='%232a2a22' stroke-width='2.4' stroke-linecap='round'/%3E%3C/svg%3E") right 12px center / 13px no-repeat; color: var(--ink); font: 600 15px var(--f-ui); appearance: none; cursor: pointer; }
.dr-streak { margin: 0; font-weight: 700; font-size: 14px; color: var(--olive); }
.dr-prompt { display: grid; gap: 12px; padding: 18px; border-radius: 16px; background: var(--paper); text-align: center; }
.dr-q { margin: 0; font: 600 22px/1.35 var(--f-ui); }
.dr-q b { color: var(--clay); }
.dr-parts { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 8px; }
.dr-parts > span { display: grid; gap: 2px; padding: 10px 8px; border-radius: 12px; background: var(--paper-2); }
.dr-parts small { font: 700 11px var(--f-ui); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.dr-parts b { font: 700 22px/1.3 var(--f-ar); }
.dr-parts b:not([lang]) { font: 700 17px/1.4 var(--f-ui); }
.dr-parts em { font-style: normal; font-size: 13px; color: var(--muted); }
.dr-answer { display: grid; gap: 6px; }
.dr-live { min-height: 40px; font: 700 28px/1.4 var(--f-ar); color: var(--clay); text-align: center; opacity: 0; transition: opacity .15s; }
.dr-live.on { opacity: 1; }
.dr-live::before { content: "≈ "; color: var(--muted); font-size: .7em; }
@media (prefers-reduced-motion: reduce) { .dr-live { transition: none; } }
.dr-input { width: 100%; min-height: 58px; padding: 0 18px; border: 2px solid var(--line); border-radius: 14px; background: #fffdf6; color: var(--ink); font: 500 22px var(--f-serif); text-align: center; }
.dr-input:focus { outline: none; border-color: var(--olive); }
.dr-input.ok { border-color: #3f7a45; background: #eef6ec; }
.dr-input.no { border-color: #b23a3a; background: #fbefed; }
.dr-res { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px 14px; padding: 12px 16px; border-radius: 14px; }
.dr-res.good { background: #e4efe3; }
.dr-res.bad { background: #f6e2df; }
.dr-verdict { font-weight: 700; }
.dr-res.good .dr-verdict { color: #3f7a45; }
.dr-res.bad .dr-verdict { color: #a3341f; }
.dr-say { color: var(--clay); font-weight: 600; }
.dr-en { color: var(--muted); }
.dr-actions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.dr-tip { margin: 0; text-align: center; font-size: 14px; color: var(--muted); }
.dr-help { display: grid; gap: 14px; align-content: start; }
.dr-help h2 { margin: 0; font: 700 20px var(--f-ui); }
.dr-help > p { margin: 0; color: var(--muted); }
@media (max-width: 480px) { .drill { padding: 14px; } .dr-q { font-size: 19px; } .dr-actions { grid-template-columns: 1fr 1fr; } .dr-actions .solid { grid-column: 1 / -1; } }

.plan { position: relative; }
.plan .btn { margin-top: auto; }
.plan.life { border: 2px solid var(--olive); }
.plan-tag { position: absolute; top: -12px; left: 24px; padding: 2px 12px; border-radius: 999px; background: var(--clay); color: #fff; font: 700 12px var(--f-ui); }
.plan.life .plan-tag { background: var(--olive); }

/* ---------- motion: reveal on scroll (only when JS runs and motion is allowed) ---------- */
.js .rv { opacity: 0; transform: translateY(26px); transition: opacity .7s ease var(--d, 0ms), transform .8s cubic-bezier(.2, .7, .2, 1) var(--d, 0ms); }
.js .rv.in { opacity: 1; transform: none; }
.js .units > li.rv { transform: translateY(26px) scale(.96); }
.js .units > li.rv.in { transform: none; }
.hero .wrap > div:first-child > * { animation: rise .8s cubic-bezier(.2, .7, .2, 1) both; }
.hero .wrap > div:first-child > :nth-child(2) { animation-delay: .08s; }
.hero .wrap > div:first-child > :nth-child(3) { animation-delay: .16s; }
.hero .wrap > div:first-child > :nth-child(4) { animation-delay: .24s; }
.hero .wrap > div:first-child > :nth-child(5) { animation-delay: .32s; }
.book-stage { animation: rise 1s cubic-bezier(.2, .7, .2, 1) .2s both; }
@keyframes rise { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .js .rv, .js .units > li.rv { opacity: 1; transform: none; transition: none; } .hero .wrap > div:first-child > *, .book-stage { animation: none; } }

/* ---------- the book: straight, lifts on hover, opens from the right-hand spine like an Arabic book ---------- */
.book { display: none; }
.book-stage { display: grid; justify-items: center; gap: 14px; }
.book3d { position: relative; display: block; width: min(100%, 440px); aspect-ratio: 3 / 4; perspective: 2200px; text-decoration: none; color: inherit; border-radius: 6px 18px 18px 6px; }
.book3d:focus-visible { outline: 3px solid var(--clay); outline-offset: 6px; }
.b-pages, .b-cover { position: absolute; inset: 0; border-radius: 18px 6px 6px 18px; }
.b-pages { display: grid; place-items: center; background: #fbf7ec; box-shadow: -3px 3px 0 #efe6cf, -6px 6px 0 #e6dbbf, 0 30px 60px rgba(60, 50, 20, .22); }
.b-inner { display: grid; justify-items: center; gap: 10px; text-align: center; padding: 24px; }
.b-inner b { font: 400 clamp(48px, 7vw, 72px)/1 var(--f-display); color: var(--clay); }
.b-inner .b-u { font: 700 14px var(--f-ui); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.b-inner .b-go { margin-top: 10px; font: 400 16px var(--f-serif); color: #5b5d43; opacity: 0; transition: opacity .3s ease .7s; }
.b-cover { transform-origin: right center; transform-style: preserve-3d; transition: transform 1s cubic-bezier(.65, .05, .3, 1); }
.b-front, .b-back { position: absolute; inset: 0; border-radius: 18px 6px 6px 18px; overflow: hidden; backface-visibility: hidden; -webkit-backface-visibility: hidden; }
.b-front { display: grid; grid-template-rows: auto 1fr auto; background: var(--paper-3); box-shadow: 0 30px 70px rgba(60, 50, 20, .24), inset -10px 0 14px -10px rgba(0, 0, 0, .25); }
.b-front img { width: 100%; height: auto; }
.b-front .book-title { display: grid; place-content: center; text-align: center; gap: 6px; padding: 8px 16px; }
.b-front .book-title b { font: 400 clamp(54px, 7vw, 78px)/1 var(--f-display); color: var(--olive); }
.b-front .book-title span { font: 400 16px/1.35 var(--f-serif); color: #5b5d43; }
.b-back { transform: rotateY(180deg); background: var(--paper-3) url(/img/covers/cover-12-tile.png) center / 180px auto; }
.book3d:hover .b-cover, .book3d:focus-visible .b-cover { transform: rotateY(16deg); }
.book3d.open .b-cover { transform: rotateY(168deg); }
.book3d.open .b-go { opacity: 1; }
.book-hint { margin: 0; font-size: 14px; color: var(--muted); }
.book-hint::before { content: "↗ "; color: var(--clay); }
@media (prefers-reduced-motion: reduce) { .b-cover { transition: none; } .book3d:hover .b-cover { transform: none; } }
@media (max-width: 860px) { .book3d { width: min(100%, 340px); } }

.plan { display: flex; flex-direction: column; }

/* the book shifts left as it opens, so the open cover stays on screen */
.book3d { transition: transform 1s cubic-bezier(.65, .05, .3, 1); }
.book3d.open { transform: translateX(-38%) scale(.94); }
@media (max-width: 860px) { .book3d.open { transform: translateX(-30%) scale(.9); } }

/* ---------- start learning: Balatro paint swirl behind the last call to action ---------- */
.start { position: relative; isolation: isolate; overflow: hidden; padding-block: 96px; background: #3d3f2c; color: var(--paper); text-align: center; }
.rb-balatro { position: absolute; inset: 0; z-index: -2; }
.rb-balatro > * { width: 100%; height: 100%; }
.start::after { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(ellipse at center, rgba(30, 28, 20, .45), rgba(30, 28, 20, .15) 70%); }
.start-in { display: grid; justify-items: center; gap: 14px; }
.start-k { margin: 0; font: 400 clamp(34px, 5vw, 52px)/1.1 var(--f-display); color: #f2c4a8; }
.start h2 { margin: 0; font: 800 clamp(34px, 5.5vw, 60px)/1.05 var(--f-ui); letter-spacing: -.02em; color: #fffaf0; text-shadow: 0 2px 24px rgba(0, 0, 0, .35); }
.start-s { margin: 0; max-width: 52ch; font-size: 18px; color: color-mix(in srgb, #fffaf0 88%, transparent); }
.start-ctas { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 10px; }
.start .btn.start-main { background: #fffaf0; border-color: #fffaf0; color: var(--olive); min-height: 52px; padding: 0 28px; font-size: 16px; }
.start .btn.start-alt { border-color: color-mix(in srgb, #fffaf0 70%, transparent); color: #fffaf0; min-height: 52px; padding: 0 24px; }
.start .btn:hover { filter: brightness(1.06); }
.foot-art { margin-top: 0; }

/* ---------- React Bits mounts ---------- */
.rb-mount > script { display: none; }
.rb-fallback { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; padding: 0; list-style: none; }
.rb-car { display: grid; justify-items: center; min-height: 460px; }
.rbc-card { display: grid; gap: 10px; align-content: start; height: 100%; padding: 24px; text-align: left; color: var(--ink); background: var(--paper); }
.rbc-icon { display: grid; place-items: center; width: 72px; height: 72px; border-radius: 18px; }
.rbc-icon img { width: 54px; height: 54px; object-fit: contain; image-rendering: pixelated; pointer-events: none; }
.rbc-ar { margin: 6px 0 0; font: 400 26px/1.2 var(--f-display); color: var(--clay); }
.rbc-title { margin: 0; font: 700 22px/1.25 var(--f-ui); }
.rbc-desc { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.55; }
.rbc-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; padding-top: 6px; }
.fx { padding-block: 10px 30px; }
.rb-flex { height: clamp(320px, 42vw, 520px); }
.rb-flex > * { height: 100%; }
[data-rb="fold"] .fold-text { line-height: inherit; letter-spacing: inherit; }

/* grammar page: endings table with the quiz beside it; workbook banner after the tables */
.g-main { max-width: 980px; }
.g-learn { display: grid; grid-template-columns: minmax(0, 420px) minmax(0, 1fr); gap: 24px; align-items: start; margin: 8px 0 6px; }
.g-learn .g-marks { max-width: none; margin: 0; }
.g-try { display: grid; gap: 14px; }
@media (max-width: 820px) { .g-learn { grid-template-columns: minmax(0, 1fr); } }
.wb-banner { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 24px; align-items: center; margin: 40px 0 8px; padding: 26px 30px; border-radius: 24px; color: var(--paper); background: var(--olive); box-shadow: 0 20px 44px rgba(60, 50, 20, .18); }
.wb-banner > img { width: 84px; height: 84px; padding: 10px; border-radius: 18px; background: var(--g-bg); object-fit: contain; image-rendering: pixelated; }
.wb-banner .wb-k { margin: 0 0 4px; font: 700 12px var(--f-ui); letter-spacing: .12em; text-transform: uppercase; color: #f2c4a8; }
.wb-banner h2 { margin: 0 0 6px; font: 700 26px/1.2 var(--f-ui); color: var(--paper); }
.wb-banner p { margin: 0; color: color-mix(in srgb, var(--paper) 85%, transparent); }
.wb-banner .btn { border-color: var(--paper); background: var(--paper); color: var(--olive); min-height: 50px; padding: 0 26px; white-space: nowrap; }
@media (max-width: 720px) { .wb-banner { grid-template-columns: minmax(0, 1fr); padding: 22px; } .wb-banner > img { width: 64px; height: 64px; } .wb-banner .btn { justify-self: start; } }
.tbl { position: relative; }
/* picture row (React Bits LogoLoop): small framed pictures with captions */
.fx { padding-block: 26px 34px; }
.rb-loop { min-height: 150px; }
.rb-loop .logoloop img { padding: 8px; border-radius: 14px; background: #fffdf6; border: 1px solid var(--line); }
.rb-loop .logoloop__label { font-size: 13px; color: var(--muted); }
/* grammar index cards: the practise button lives inside the card */
.g-card2 { grid-template-rows: auto 1fr; }
.g-card2 h3 a { color: inherit; text-decoration: none; }
.g-card2 h3 a:hover { color: var(--clay); }
.card-btns { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
/* "Practise typing it": a full-width banner under the table and quiz */
.g-practice-link.wide { display: flex; align-items: center; justify-content: space-between; gap: 16px 24px; flex-wrap: wrap; margin: 18px 0 8px; padding: 22px 26px; border-radius: 20px; }
.g-practice-link.wide .gpl-txt { display: grid; gap: 4px; }
.g-practice-link.wide .gpl-txt b { font-size: 22px; }
.g-practice-link.wide .gpl-go { flex: none; padding: 12px 22px; border-radius: 999px; background: #fffaf0; color: var(--clay); font-weight: 700; }
/* endings table full width, quiz underneath it */
.g-learn { grid-template-columns: minmax(0, 1fr); }
.g-learn .quiz-card .qz-opts { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 560px) { .g-learn .quiz-card .qz-opts { grid-template-columns: minmax(0, 1fr); } }
/* picture row: each picture with the unit it comes from */
.ll-pic { display: grid; gap: 8px; justify-items: center; text-decoration: none; color: var(--ink); }
.ll-pic img { height: clamp(96px, 10vw, 130px); width: auto; padding: 8px; border-radius: 14px; background: #fffdf6; border: 1px solid var(--line); }
.ll-unit { display: inline-flex; align-items: baseline; gap: 6px; padding: 3px 10px; border-radius: 999px; background: var(--paper-2); font-size: 12.5px; white-space: nowrap; }
.ll-unit b { font: 700 11px var(--f-ui); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.ll-unit [lang="ar"] { font: 400 15px var(--f-display); color: var(--clay); }
.ll-pic:hover .ll-unit { background: var(--paper-3); }
.rb-loop { min-height: 190px; }
/* the grammar carousel's links sit under it and follow the card on show */
.rb-car .rbc-links { justify-content: center; margin-top: 18px; padding-top: 0; }
.rb-car .rbc-links .btn { min-height: 44px; }
.rbc-card { overflow: hidden; }
.dr-note { display: block; margin-top: 4px; font: 600 14px var(--f-ui); color: var(--muted); }