/* Phrasebar — dizayn tizimi.
   Namuna: oq fon, ingichka katta sarlavhalar, kulrang kartochkalar,
   binafsha / pushti / sariq / to‘q sariq / ko‘k-binafsha rangli bloklar. */

:root {
  --bg: #FFFFFF;
  --soft: #F4F4F7;
  --soft-2: #EBEBF0;
  --ink: #121216;
  --muted: #6B6B78;
  --line: #E4E4EA;
  --violet: #4F2BEF;
  --violet-2: #3F1FD6;
  --pink: #F2509A;
  --yellow: #FFC93C;
  --orange: #FF6A2B;
  --peri: #6470F0;
  --good: #0E9F6E;
  --bad: #E0324B;
  --warm: #D97706;

  --k-idiom: var(--orange);
  --k-phrasal: var(--pink);
  --k-phrase: var(--violet);
  --k-vocab: #E0A100;

  --font: 'Inter Tight', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --r-lg: 28px;
  --r: 20px;
  --r-sm: 14px;
  color-scheme: light;
}

/* ---------- Asos ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 80px; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--font); font-size: 16px; line-height: 1.55; font-weight: 400;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, p, ul, ol, dl, dd, figure, blockquote { margin: 0; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--violet); outline-offset: 3px; border-radius: 8px; }
.ic { flex: none; display: inline-block; vertical-align: middle; }
.tnum { font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.center { text-align: center; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 640px) { .wrap { padding: 0 28px; } }
.narrow { max-width: 860px; }

.skip { position: absolute; left: 12px; top: -60px; z-index: 60; background: var(--ink); color: #fff; padding: 10px 14px; border-radius: 12px; }
.skip:focus { top: 12px; }

/* Sarlavhalar: katta, ingichka, zich */
.display { font-weight: 400; letter-spacing: -.035em; line-height: 1.06; text-wrap: balance; }
.h2 { font-size: clamp(32px, 4.2vw, 48px); }
.lede { color: var(--muted); font-size: clamp(16px, 1.4vw, 18px); line-height: 1.6; max-width: 56ch; margin: 18px auto 0; text-align: center; }

/* ---------- Tugmalar ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 22px; border-radius: 999px; border: 1px solid transparent;
  font-size: 15px; font-weight: 500; cursor: pointer; white-space: nowrap;
  transition: background .2s, color .2s, border-color .2s, transform .15s;
}
.btn:active { transform: scale(.98); }
.btn.sm { height: 36px; padding: 0 16px; font-size: 14px; }
.btn.violet, .btn.primary { background: var(--violet); color: #fff; }
.btn.violet:hover, .btn.primary:hover { background: var(--violet-2); }
.btn.dark { background: var(--ink); color: #fff; }
.btn.dark:hover { background: #2B2B33; }
.btn.ghost, .btn.secondary { background: #fff; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover, .btn.secondary:hover { border-color: var(--ink); }
.btn.light { background: #fff; color: var(--ink); }
.btn.light:hover { background: #F0F0FF; }
.btn:disabled { opacity: .35; cursor: not-allowed; }
.link { display: inline-flex; align-items: center; gap: 6px; font-weight: 500; color: var(--violet); }
.link:hover { text-decoration: underline; }
.link-btn { display: inline-flex; align-items: center; gap: 6px; border: 0; background: none; padding: 4px 2px; cursor: pointer; font-size: 13px; font-weight: 500; color: var(--muted); }
.link-btn:hover { color: var(--violet); }
.round-arrow { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--ink); color: #fff; flex: none; transition: transform .2s; }

/* Tur bo‘yicha rang */
[data-kind="idiom"]   { --k: var(--k-idiom); }
[data-kind="phrasal"] { --k: var(--k-phrasal); }
[data-kind="phrase"]  { --k: var(--k-phrase); }
[data-kind="vocab"]   { --k: var(--k-vocab); }
.kpill { display: inline-flex; align-items: center; height: 26px; padding: 0 11px; border-radius: 999px; font-size: 12px; font-weight: 600; color: #fff; background: var(--k, var(--violet)); white-space: nowrap; }
.kpill.plain { background: var(--soft-2); color: var(--muted); font-weight: 500; }

/* Segmentli filtr */
.seg { display: inline-flex; flex-wrap: wrap; justify-content: center; gap: 4px; padding: 4px; border-radius: 999px; background: var(--soft); }
.seg button { display: inline-flex; align-items: center; gap: 7px; border: 0; background: transparent; cursor: pointer; height: 36px; padding: 0 14px; border-radius: 999px; font-size: 14px; font-weight: 500; color: var(--muted); transition: background .2s, color .2s; }
.seg button:hover { color: var(--ink); }
.seg button[aria-pressed="true"] { background: #fff; color: var(--ink); box-shadow: 0 1px 2px rgb(0 0 0 / .06), 0 2px 8px rgb(0 0 0 / .05); }
.seg .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--k); }
@media (max-width: 640px) { .seg { border-radius: 22px; } }

/* Kirib kelish animatsiyasi */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 40; background: rgb(255 255 255 / .86); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); transition: box-shadow .3s; }
.site-header.scrolled { box-shadow: 0 1px 0 var(--line); }
.header-row { display: flex; align-items: center; gap: 12px; height: 68px; }
.logo { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 19px; letter-spacing: -.04em; flex: none; }
.logo img { border-radius: 8px; }
.pill-nav { margin: 0 auto; display: none; align-items: center; gap: 2px; padding: 4px; border-radius: 999px; background: var(--soft); }
.pill-nav a { padding: 7px 14px; border-radius: 999px; font-size: 13.5px; font-weight: 500; color: var(--muted); transition: color .2s, background .2s; }
.pill-nav a:hover { color: var(--ink); }
.pill-nav a[aria-current="page"] { background: #fff; color: var(--ink); box-shadow: 0 1px 2px rgb(0 0 0 / .06); }
@media (min-width: 960px) { .pill-nav { display: flex; } }
.header-tools { margin-left: auto; display: flex; align-items: center; gap: 8px; }
@media (min-width: 960px) { .header-tools { margin-left: 0; } }
.lang { display: inline-flex; gap: 2px; }
.lang button { border: 0; background: none; cursor: pointer; height: 32px; padding: 0 8px; border-radius: 8px; font-size: 13px; font-weight: 600; color: var(--muted); }
.lang button[aria-pressed="true"] { color: var(--ink); background: var(--soft); }
.head-cta { display: none; }
@media (min-width: 640px) { .head-cta { display: inline-flex; } }
.menu-btn { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line); background: #fff; cursor: pointer; }
@media (min-width: 960px) { .menu-btn { display: none; } }
.mobile-nav { border-top: 1px solid var(--line); background: #fff; padding: 8px 16px 16px; }
.mobile-nav a { display: block; padding: 12px; border-radius: 12px; font-weight: 500; }
.mobile-nav a[aria-current="page"] { background: var(--soft); }
@media (min-width: 960px) { .mobile-nav { display: none !important; } }

main:focus { outline: none; }
.section { padding-top: clamp(80px, 11vw, 150px); }
.page { padding-top: clamp(36px, 6vw, 72px); padding-bottom: 40px; }
.page-head { text-align: center; margin-bottom: 36px; }
.page-head .display { font-size: clamp(38px, 6vw, 64px); }
.filters-row { margin: 28px 0 24px; }

/* ---------- Hero ---------- */
.hero { text-align: center; padding-top: clamp(48px, 8vw, 96px); }
.hero-title { font-size: clamp(40px, 6.2vw, 72px); max-width: 17ch; margin: 0 auto; }
.hero-actions { margin-top: 28px; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.hero .reveal:nth-child(2) { transition-delay: .08s; }
.hero .reveal:nth-child(3) { transition-delay: .16s; }

/* Kartochkalar to‘plami (scroll bilan ochiladi) */
.stack-wrap { --p: 0; padding: clamp(48px, 7vw, 80px) 16px 0; }
.stack { position: relative; margin: 0 auto; max-width: calc(1080px + (100vw - 1080px) * var(--p) * .9); transition: max-width .1s linear; }
.layer { border-radius: calc(var(--r-lg) + 8px - var(--p) * 10px); }
.layer.y, .layer.p { position: absolute; inset: 0; transform-origin: 50% 100%; }
.layer.y { background: var(--yellow); transform: translateY(calc(-44px + var(--p) * 44px)) rotate(calc(-3.2deg + var(--p) * 3.2deg)) scale(calc(.95 + var(--p) * .05)); opacity: calc(1 - var(--p)); }
.layer.p { background: var(--pink); transform: translateY(calc(-22px + var(--p) * 22px)) rotate(calc(-1.6deg + var(--p) * 1.6deg)) scale(calc(.975 + var(--p) * .025)); opacity: calc(1 - var(--p) * .9); }
.layer.v { position: relative; overflow: hidden; background: var(--violet); aspect-ratio: 1200 / 640; box-shadow: 0 30px 80px -30px rgb(79 43 239 / .55); }
.art-svg { width: 100%; height: 100%; display: block; }

/* ---------- Ikki panel: ibora + statistika ---------- */
.duo { margin-top: 48px; display: grid; gap: 16px; }
@media (min-width: 900px) { .duo { grid-template-columns: 1fr 1fr; } }
.panel { background: var(--soft); border-radius: var(--r-lg); padding: 22px; }
@media (min-width: 640px) { .panel { padding: 28px; } }
.panel-title { font-size: 15px; font-weight: 500; margin-bottom: 18px; }
.panel-h { font-size: 22px; font-weight: 500; letter-spacing: -.02em; margin-bottom: 16px; }

.flash { background: #fff; border-radius: var(--r); padding: 20px; }
.flash-top { display: flex; justify-content: space-between; align-items: center; font-size: 13px; }
.flash-idiom { margin-top: 18px; font-size: clamp(30px, 3.6vw, 42px); letter-spacing: -.035em; line-height: 1.05; }
.flash-literal { margin-top: 8px; font-size: 14px; color: var(--muted); }
.flash-literal i { font-style: normal; font-weight: 600; color: var(--ink); text-decoration: line-through 2px transparent; transition: text-decoration-color .3s; }
.flash[data-open="true"] .flash-literal i { text-decoration-color: var(--pink); }
.flash-meaning { margin-top: 16px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.flash-foot { margin-top: 16px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.flash-foot .link { margin-left: auto; font-size: 14px; }
.reveal-in { animation: pop .4s cubic-bezier(.2,.7,.2,1) both; }
@keyframes pop { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.tile-y, .tile-p { border-radius: var(--r-sm); padding: 14px; min-height: 96px; display: flex; flex-direction: column; justify-content: space-between; }
.tile-y { background: var(--yellow); color: var(--ink); }
.tile-p { background: var(--pink); color: #fff; }
.tile-y small, .tile-p small { font-size: 11px; font-weight: 500; opacity: .8; }
.tile-y b, .tile-p b { font-size: 34px; font-weight: 400; letter-spacing: -.04em; line-height: 1; margin-top: 8px; }
.tile-y.small b, .tile-p.small b { font-size: 15px; font-weight: 500; letter-spacing: -.01em; line-height: 1.3; }

.mix { display: grid; gap: 14px; }
.mix-tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.bars { list-style: none; padding: 16px; margin: 0; background: #fff; border-radius: var(--r); display: grid; gap: 10px; }
.bars li { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 12px; font-size: 13px; }
.bar-fill { position: relative; height: 30px; border-radius: 8px; background: var(--soft); overflow: hidden; }
.bar-fill::before { content: ''; position: absolute; inset: 0 auto 0 0; width: var(--w); background: var(--k); border-radius: 8px; opacity: .9; transform-origin: left; animation: grow 1.1s cubic-bezier(.2,.7,.2,1) both; }
.bar-fill b { position: relative; padding-left: 10px; line-height: 30px; font-weight: 600; color: #fff; font-size: 13px; }
.bar-label { color: var(--muted); min-width: 120px; }
@keyframes grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* ---------- Aylanuvchi sariq chip ---------- */
.learn-line { font-size: clamp(36px, 6.4vw, 80px); text-align: center; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 4px 18px; }
.chip-roll { display: inline-flex; overflow: hidden; height: 1.2em; padding: 0 .3em; border-radius: .22em; background: var(--yellow); color: #fff; font-weight: 500; letter-spacing: -.04em; }
.chip-roll span { display: block; line-height: 1.2em; }
.roll-in { animation: rollIn .5s cubic-bezier(.2,.7,.2,1) both; }
@keyframes rollIn { from { transform: translateY(100%); opacity: 0; } to { transform: none; opacity: 1; } }
.learn .center { margin-top: 28px; }

/* ---------- 01 / 02 / 03 kartochkalar ---------- */
.types { margin-top: 56px; display: grid; gap: 22px; }
@media (min-width: 860px) { .types { grid-template-columns: repeat(3, 1fr); align-items: start; gap: 18px; } }
.type { display: grid; gap: 14px; }
@media (min-width: 860px) {
  .type:nth-child(1) { margin-top: 70px; }
  .type:nth-child(3) { margin-top: 40px; }
}
.type-label { font-size: 14px; font-weight: 500; line-height: 1.4; padding: 0 6px; }
.type-label .muted { font-weight: 400; }
.type-card { position: relative; display: block; aspect-ratio: 1 / .92; border-radius: var(--r-lg); overflow: hidden; color: #fff; transition: transform .35s cubic-bezier(.2,.7,.2,1); }
.type:nth-child(1) .type-card { transform: rotate(-3deg); }
.type:nth-child(3) .type-card { transform: rotate(3deg); }
.type:hover .type-card { transform: rotate(0) translateY(-6px); }
.c-orange { background: var(--orange); }
.c-pink { background: var(--pink); }
.c-violet { background: var(--violet); }
.type-pill { position: absolute; left: 18px; top: 18px; z-index: 1; padding: 4px 10px; border-radius: 999px; background: rgb(255 255 255 / .22); font-size: 12px; font-weight: 500; }
.type-art { position: absolute; right: -6%; top: 2%; width: 74%; }
.type-art svg { width: 100%; height: auto; }
.type-num { position: absolute; left: 18px; bottom: 6px; font-size: clamp(64px, 8vw, 104px); font-weight: 300; letter-spacing: -.05em; line-height: 1; }
.type-ex { position: absolute; left: 16px; top: 54px; z-index: 2; display: flex; flex-direction: column; align-items: flex-start; gap: 6px; max-width: 62%; }
.type-ex span { padding: 5px 11px; border-radius: 999px; background: #fff; color: var(--ink); font-size: 13px; font-weight: 500; line-height: 1.25; white-space: nowrap; box-shadow: 0 4px 12px rgb(0 0 0 / .12); }
.type-ex span:nth-child(odd) { transform: rotate(-2deg); }
.type-ex span:nth-child(even) { transform: rotate(2deg) translateX(8px); }
.type-go { position: absolute; right: 16px; bottom: 16px; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: rgb(255 255 255 / .25); }

/* ---------- Katta jumla ---------- */
.statement { max-width: 980px; margin: 0 auto; text-align: center; font-size: clamp(26px, 3.6vw, 46px); line-height: 1.22; letter-spacing: -.03em; }
.statement .w { color: #CFCFD8; transition: color .35s; }
.statement .w.lit { color: var(--ink); }
.inline-sticker { display: inline-block; width: 1.1em; height: 1.1em; vertical-align: -.18em; margin: 0 .05em; opacity: .25; transition: opacity .35s, transform .35s; transform: scale(.85); }
.inline-sticker.lit { opacity: 1; transform: none; }
.inline-sticker svg { width: 100%; height: 100%; }

/* ---------- Katta raqamlar ---------- */
.stats { list-style: none; padding: 0; margin: 0; }
.stat { display: grid; grid-template-columns: auto 1fr; gap: 12px 20px; align-items: center; padding: 26px 0; border-bottom: 1px solid var(--line); }
.stat:first-child { border-top: 1px solid var(--line); }
@media (min-width: 860px) { .stat { grid-template-columns: 150px 1fr 300px; gap: 32px; } }
.stat-thumb { width: 92px; height: 92px; border-radius: var(--r); display: grid; place-items: center; overflow: hidden; }
@media (min-width: 860px) { .stat-thumb { width: 150px; height: 120px; } }
.stat-thumb svg { width: 78%; height: 78%; }
.stat-num { position: relative; font-size: clamp(64px, 10vw, 128px); font-weight: 300; letter-spacing: -.06em; line-height: .9; }
.stat-pill { position: absolute; top: -.25em; left: 1.1em; transform: rotate(-8deg); font-size: 13px; font-weight: 600; letter-spacing: 0; padding: 4px 10px; border-radius: 8px; color: #fff; white-space: nowrap; }
.stat-pill.p1 { background: var(--orange); }
.stat-pill.p2 { background: var(--pink); }
.stat-pill.p3 { background: var(--violet); }
.stat-pill.p4 { background: var(--yellow); color: var(--ink); }
.stat-desc { grid-column: 1 / -1; color: var(--muted); font-size: 14px; line-height: 1.55; }
@media (min-width: 860px) { .stat-desc { grid-column: auto; } }

/* ---------- Dars kartochkalari ---------- */
.grid-cards { display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .grid-cards { grid-template-columns: repeat(3, 1fr); } }
.lcard { display: flex; flex-direction: column; gap: 12px; padding: 22px; border-radius: var(--r-lg); background: var(--soft); transition: background .25s, transform .25s; }
.lcard:hover { background: var(--soft-2); transform: translateY(-3px); }
.lcard:hover .round-arrow { transform: translateX(3px); background: var(--k); }
.lcard-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.lnum { font-size: 40px; font-weight: 300; letter-spacing: -.05em; line-height: 1; }
.lcard h3 { font-size: 21px; font-weight: 500; letter-spacing: -.025em; line-height: 1.2; }
.lcard .desc { font-size: 14.5px; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.lcard-foot { margin-top: auto; padding-top: 8px; display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 13px; }
.cprog { display: grid; gap: 6px; font-size: 12px; font-weight: 500; color: var(--muted); }
.cprog-row { display: flex; justify-content: space-between; gap: 8px; }
.cprog .live { display: inline-flex; align-items: center; gap: 4px; color: var(--good); }
.bar { height: 8px; border-radius: 999px; background: var(--soft-2); overflow: hidden; }
.lcard .bar { background: #fff; }
.bar.big { height: 10px; background: #fff; }
.bar > span { display: block; height: 100%; width: 0; border-radius: 999px; background: var(--violet); transition: width .7s ease-out; }
.bar > span.ok { background: var(--good); }
.bar > span.over { background: var(--warm); }
.empty-card { grid-column: 1 / -1; padding: 32px; text-align: center; color: var(--muted); background: var(--soft); border-radius: var(--r-lg); }

/* ---------- Kitob haqida (masonry) ---------- */
.masonry { margin-top: 48px; display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 760px) { .masonry { grid-template-columns: repeat(3, 1fr); } .quote.big { grid-column: span 2; grid-row: span 2; } .quote.cover { grid-row: span 2; } }
.quote { background: var(--soft); border-radius: var(--r-lg); padding: 22px; display: flex; flex-direction: column; gap: 14px; }
.qmark { font-size: 54px; line-height: .6; color: var(--violet); font-weight: 600; height: 22px; }
.quote blockquote { font-size: clamp(17px, 1.7vw, 21px); line-height: 1.5; letter-spacing: -.01em; }
.quote figcaption { display: grid; gap: 2px; font-size: 14px; margin-top: auto; }
.quote figcaption small { color: var(--muted); }
.quote figcaption span { color: var(--muted); }
.quote.cover { padding: 18px; align-items: center; justify-content: center; background: #FFF4D1; }
.quote.cover img { width: min(240px, 80%); border-radius: 12px; box-shadow: 0 24px 50px -20px rgb(0 0 0 / .35); transform: rotate(-3deg); transition: transform .3s; }
.quote.cover:hover img { transform: rotate(0); }

/* ---------- FAQ ---------- */
.faq { margin-top: 40px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 4px; cursor: pointer; font-size: 17px; font-weight: 500; }
.faq summary::-webkit-details-marker { display: none; }
.faq p { padding: 0 4px 22px; color: var(--muted); max-width: 70ch; }
.plus { position: relative; width: 14px; height: 14px; flex: none; }
.plus::before, .plus::after { content: ''; position: absolute; left: 0; top: 6px; width: 14px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .25s; }
.plus::after { transform: rotate(90deg); }
.faq details[open] .plus::after { transform: rotate(0); }

/* ---------- CTA ---------- */
.cta { position: relative; overflow: hidden; display: grid; align-items: center; gap: 12px; border-radius: 36px; background: var(--peri); color: #fff; padding: clamp(32px, 6vw, 72px); }
@media (min-width: 860px) { .cta { grid-template-columns: 1.1fr .9fr; } }
.cta-text { display: grid; gap: 26px; justify-items: center; text-align: center; }
.cta-text .display { font-size: clamp(30px, 4vw, 48px); max-width: 16ch; }
.cta-art svg { width: 100%; max-width: 380px; margin: 0 auto; display: block; }

/* ---------- Footer ---------- */
.site-footer { margin-top: clamp(80px, 10vw, 140px); padding: 36px 0 44px; border-top: 1px solid var(--line); }
.footer-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 6px 26px; font-size: 14px; color: var(--muted); }
.footer-nav a:hover { color: var(--ink); }
.footer-bottom { margin-top: 24px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 20px; font-size: 13px; color: var(--muted); }

/* ---------- Dars sahifasi ---------- */
.crumbs { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); }
.crumbs a:hover { color: var(--ink); }
.lesson-head { text-align: center; margin: 24px auto 44px; max-width: 900px; }
.lesson-head .pills { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-bottom: 18px; }
.lesson-head .display { font-size: clamp(36px, 5.6vw, 64px); }
.lnum-big { color: var(--k); font-weight: 300; }
.lesson-meta { margin-top: 14px; font-size: 14px; }
.lesson-layout { display: grid; gap: 16px; align-items: start; }
@media (min-width: 1000px) { .lesson-layout { grid-template-columns: minmax(0, 1fr) 340px; } }
.lesson-main { display: grid; gap: 16px; min-width: 0; }
.note { font-size: 14px; color: var(--muted); margin-bottom: 14px; }
.checks { list-style: none; padding: 0; display: grid; gap: 10px; }
.checks li { display: flex; gap: 10px; align-items: flex-start; }
.checks .ok { display: grid; place-items: center; flex: none; width: 22px; height: 22px; margin-top: 1px; border-radius: 50%; background: #fff; color: var(--good); }
.poster { position: relative; display: block; width: 100%; padding: 0; border: 0; border-radius: var(--r); overflow: hidden; background: #fff; cursor: zoom-in; margin-bottom: 12px; }
.poster img { width: 100%; }
.poster .enlarge { position: absolute; right: 12px; bottom: 12px; display: inline-flex; align-items: center; gap: 6px; height: 36px; padding: 0 14px; border-radius: 999px; background: var(--ink); color: #fff; font-size: 13px; font-weight: 500; }
.warmup-img { border-radius: var(--r); margin-bottom: 18px; }
.story-text { font-size: 17px; line-height: 1.8; max-width: 68ch; }
.story-text p + p { margin-top: .85em; }
.story-text .verse { font-style: italic; white-space: pre-line; padding: 12px 16px; border-radius: 14px; background: #fff; }
mark.hl { background: color-mix(in srgb, var(--k) 18%, transparent); color: inherit; font-weight: 600; padding: 0 .2em; border-radius: .3em; }
.acts { list-style: none; padding: 0; display: grid; gap: 8px; }
.acts li { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: var(--r-sm); background: #fff; }
.act-ic { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; background: var(--soft); color: var(--violet); flex: none; }
.acts .txt { flex: 1; min-width: 0; }
.acts b { display: block; font-weight: 500; }
.acts small { display: block; font-size: 13px; color: var(--muted); }
.soon { font-size: 12px; font-weight: 500; padding: 4px 10px; border-radius: 999px; background: var(--soft); color: var(--muted); white-space: nowrap; }
@media (max-width: 480px) { .acts .soon { display: none; } }
.video { position: relative; aspect-ratio: 16 / 9; border-radius: var(--r); overflow: hidden; background: var(--violet); }
.video.short { aspect-ratio: 9 / 16; max-width: 320px; }
.video > button { position: absolute; inset: 0; width: 100%; padding: 0; border: 0; cursor: pointer; background: var(--violet); }
.video > button img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .8; }
.video .playbtn { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: inline-flex; align-items: center; gap: 10px; height: 50px; padding: 0 20px 0 7px; border-radius: 999px; background: #fff; color: var(--ink); font-weight: 500; }
.video .playbtn .c { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--violet); color: #fff; }
.video iframe { width: 100%; height: 100%; border: 0; }
.video + .link { margin-top: 12px; font-size: 14px; }
.hw { padding-left: 1.2em; display: grid; gap: 6px; }

.aside { position: sticky; top: 84px; max-height: calc(100vh - 100px); overflow: auto; padding: 0; }
@media (max-width: 999px) { .aside { position: static; max-height: none; order: -1; } }
.gloss summary { list-style: none; display: flex; align-items: center; gap: 10px; padding: 22px 22px 6px; cursor: pointer; }
.gloss summary::-webkit-details-marker { display: none; }
.gloss summary .panel-h { flex: 1; margin: 0; font-size: 19px; }
.gloss .cnt { font-size: 12px; font-weight: 600; padding: 3px 9px; border-radius: 999px; background: #fff; color: var(--muted); }
.gloss .chev { color: var(--muted); transition: transform .2s; }
.gloss[open] .chev { transform: rotate(180deg); }
@media (min-width: 1000px) { .gloss summary { cursor: default; pointer-events: none; } .gloss .chev { display: none; } }
@media (max-width: 999px) { .gloss summary { padding-bottom: 22px; } .gloss[open] summary { padding-bottom: 6px; } }
.gloss dl { padding: 12px 14px 14px; display: grid; gap: 6px; }
.gloss .entry { padding: 11px 13px; border-radius: var(--r-sm); background: #fff; }
.gloss dt { font-weight: 600; display: flex; align-items: baseline; gap: 8px; font-size: 15px; }
.gloss dt::before { content: ''; flex: none; width: 7px; height: 7px; border-radius: 50%; background: var(--k); transform: translateY(-2px); }
.gloss dd { margin-top: 2px; padding-left: 15px; font-size: 13.5px; color: var(--muted); line-height: 1.5; }

.pager { margin-top: 28px; display: grid; gap: 12px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .pager { grid-template-columns: 1fr 1fr; } }
.pg { display: flex; align-items: center; gap: 14px; padding: 18px 20px; border-radius: var(--r-lg); background: var(--soft); transition: background .2s; }
.pg:hover { background: var(--soft-2); }
.pg.next { flex-direction: row-reverse; text-align: right; }
.pg small { display: block; font-size: 12px; color: var(--muted); }
.pg b { display: block; font-size: 16px; font-weight: 500; letter-spacing: -.01em; }

/* ---------- Lug‘at ---------- */
.gl-tools { display: grid; gap: 10px; grid-template-columns: 1fr; max-width: 860px; margin: 0 auto; }
@media (min-width: 760px) { .gl-tools { grid-template-columns: 1fr 260px; } }
.search-box { display: flex; align-items: center; gap: 10px; height: 54px; padding: 0 18px; border-radius: 999px; background: var(--soft); border: 1px solid transparent; transition: border-color .2s, background .2s; }
.search-box:focus-within { background: #fff; border-color: var(--ink); }
.search-box .ic { color: var(--muted); }
.search-box input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; font-size: 16px; }
.select { height: 54px; padding: 0 18px; border-radius: 999px; border: 1px solid transparent; background: var(--soft); font-weight: 500; cursor: pointer; }
.select:focus { outline: none; border-color: var(--ink); }
.gl-status { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin: 8px 0; font-size: 14px; color: var(--muted); }
.gl-group { margin-top: 26px; }
.gl-letter { font-size: 44px; font-weight: 300; letter-spacing: -.04em; line-height: 1; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.gl-list { list-style: none; padding: 0; }
.gl-item { display: grid; gap: 4px 24px; grid-template-columns: 1fr; padding: 16px 4px; border-bottom: 1px solid var(--line); }
@media (min-width: 860px) { .gl-item { grid-template-columns: 18rem 1fr auto; align-items: baseline; } }
.gl-term { font-weight: 600; display: flex; align-items: baseline; gap: 9px; font-size: 16px; }
.gl-term::before { content: ''; flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--k); transform: translateY(-1px); }
.gl-meaning { color: var(--muted); font-size: 15px; }
.gl-meaning p + p { margin-top: 3px; }
.gl-lessons { display: flex; flex-wrap: wrap; gap: 6px; }
.gl-lessons a { font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 999px; background: var(--soft); transition: background .2s, color .2s; }
.gl-lessons a:hover { background: var(--ink); color: #fff; }

/* ---------- Kitob haqida sahifasi ---------- */
.about-grid { display: grid; gap: 16px; align-items: start; }
@media (min-width: 960px) { .about-grid { grid-template-columns: 300px minmax(0, 1fr); } }
.about-side { display: grid; gap: 16px; }
@media (min-width: 960px) { .about-side { position: sticky; top: 84px; } }
@media (min-width: 560px) and (max-width: 959px) { .about-side { grid-template-columns: 220px 1fr; align-items: start; } }
.cover-img { border-radius: var(--r); box-shadow: 0 24px 50px -24px rgb(0 0 0 / .35); }
.about-side dl { display: grid; gap: 14px; font-size: 14px; }
.about-side dt { font-size: 12px; font-weight: 500; color: var(--muted); }
.about-side dd { margin-top: 3px; font-weight: 500; }
.about-side dd span { display: block; font-weight: 400; color: var(--muted); }
.about-main { display: grid; gap: 16px; min-width: 0; }
.prose { line-height: 1.7; max-width: 70ch; }
.prose p + p { margin-top: .9em; }
.feat { display: grid; gap: 8px; }
.feat div { padding: 14px 16px; border-radius: var(--r-sm); background: #fff; }
.feat b { display: block; font-weight: 600; }
.feat span { font-size: 15px; color: var(--muted); }
.numlist { list-style: none; padding: 0; counter-reset: n; display: grid; gap: 10px; }
.numlist li { counter-increment: n; display: flex; gap: 12px; align-items: flex-start; }
.numlist li::before { content: counter(n, decimal-leading-zero); flex: none; min-width: 28px; font-size: 13px; font-weight: 600; color: var(--violet); padding-top: 2px; }
.tabs { margin-bottom: 16px; }
.tabs button[aria-pressed="true"] { background: #fff; }

/* ---------- Rasm ko‘rish oynasi ---------- */
.viewer { width: min(980px, 100vw); max-height: 100vh; padding: 0; border: 0; border-radius: 22px; background: #fff; }
.viewer::backdrop { background: rgb(18 18 22 / .78); backdrop-filter: blur(4px); }
.viewer form { position: sticky; top: 0; z-index: 1; display: flex; justify-content: flex-end; padding: 10px; background: #fff; }
.notfound { text-align: center; display: grid; gap: 20px; justify-items: center; }

/* ======================================================================
   Interaktiv mashqlar
   ====================================================================== */
.practice-top .panel-h { margin-bottom: 8px; }
.lprog { display: grid; gap: 8px; }
.lprog-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; font-size: 15px; }
.lprog-row b { font-weight: 500; }

.card.ex, .ex { background: var(--soft); border-radius: var(--r-lg); padding: 22px; }
@media (min-width: 640px) { .ex { padding: 28px; } }
.ex-head { display: flex; align-items: center; gap: 12px; }
.ex .tile { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: #fff; color: var(--k, var(--violet)); flex: none; }
.ex-title { flex: 1; min-width: 0; }
.ex-eyebrow { font-size: 12px; font-weight: 500; color: var(--muted); }
.ex-title h3 { font-size: 21px; font-weight: 500; letter-spacing: -.02em; line-height: 1.25; }
.ex-badge { display: none; align-items: center; gap: 4px; padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; background: #fff; color: var(--good); }
.ex-badge.on { display: inline-flex; }
.ex-instr { margin-top: 10px; font-size: 14px; color: var(--muted); }
.ex-body { margin-top: 18px; }
.ex-foot { margin-top: 20px; display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.fb { display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; border-radius: 14px; font-size: 14px; font-weight: 500; animation: pop .35s cubic-bezier(.2,.7,.2,1) both; }
.fb.good { background: #DDF5EC; color: var(--good); }
.fb.ok { background: #FFF1D6; color: #9A5B00; }
.fb.bad { background: #FDE3E7; color: var(--bad); }

.ex-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; counter-reset: q; }
.ex-list.numbered > li { counter-increment: q; position: relative; padding: 14px 16px 14px 46px; border-radius: var(--r-sm); background: #fff; }
.ex-list.numbered > li::before { content: counter(q); position: absolute; left: 16px; top: 14px; font-weight: 600; color: var(--muted); font-variant-numeric: tabular-nums; }

.ex-select { height: 42px; max-width: 100%; padding: 0 12px; border-radius: 12px; border: 1px solid var(--line); background: #fff; font-weight: 500; font-size: 15px; cursor: pointer; transition: border-color .2s; }
.ex-select:focus { outline: none; border-color: var(--violet); }
.is-ok .ex-select { border-color: var(--good); color: var(--good); background: #F1FBF7; }
.is-bad .ex-select { border-color: var(--bad); color: var(--bad); background: #FFF5F6; }
.ex-select:disabled { cursor: default; opacity: 1; }

.mk { display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; flex: none; color: #fff; vertical-align: middle; }
.mk.ok { background: var(--good); }
.mk.no { background: var(--bad); }
.fix { display: block; width: 100%; font-size: 14px; color: var(--muted); }
.fix b { color: var(--good); font-weight: 600; }

.match-row { display: grid; gap: 8px; align-items: center; padding: 10px 12px; border-radius: var(--r-sm); background: #fff; }
@media (min-width: 640px) { .match-row { grid-template-columns: 1fr auto 1.4fr; } }
.match-left { font-weight: 600; padding: 0 4px; }
.match-arrow { display: none; color: var(--muted); }
@media (min-width: 640px) { .match-arrow { display: inline-flex; } }
.match-pick { display: flex; align-items: center; gap: 8px; min-width: 0; }
.match-pick .ex-select { flex: 1; min-width: 0; width: 100%; background: var(--soft); border-color: transparent; }
.match-row .fix { grid-column: 1 / -1; padding: 0 4px; }

.bank { display: flex; flex-wrap: wrap; gap: 6px; padding: 14px; margin-bottom: 14px; border-radius: var(--r-sm); background: var(--yellow); }
.bank-chip { padding: 5px 11px; border-radius: 10px; background: #fff; font-size: 14px; font-weight: 500; }
.gap-row { display: block; line-height: 2.3; font-size: 16px; }
.gap-row .ex-select.gap { display: inline-block; vertical-align: middle; margin: 2px 4px; background: var(--soft); border-color: transparent; }
.gap-row .mk { margin-left: 4px; }
.gap-row .fix { line-height: 1.5; margin-top: 2px; }

.opt { min-height: 40px; padding: 8px 16px; border-radius: 999px; border: 1px solid var(--line); background: #fff; font-weight: 500; font-size: 15px; text-align: left; cursor: pointer; transition: border-color .2s, background .2s, color .2s; }
.opt:hover:not(:disabled) { border-color: var(--ink); }
.opt[aria-checked="true"] { border-color: var(--violet); background: var(--violet); color: #fff; }
.opt b { font-size: 12px; margin-right: 6px; opacity: .7; }
.opt.right { border-color: var(--good); background: #DDF5EC; color: var(--good); }
.opt.wrong { border-color: var(--bad); background: #FDE3E7; color: var(--bad); text-decoration: line-through; }
.opt:disabled { cursor: default; }
.tf-row { display: grid; gap: 8px; }
@media (min-width: 760px) { .tf-row { grid-template-columns: 1fr auto; align-items: center; } .tf-row .fix { grid-column: 1 / -1; } }
.tf-btns { display: flex; align-items: center; gap: 8px; }
.mcq-row .q { font-weight: 500; }
.mcq-row .opts { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 8px; }

.tokens { display: block; line-height: 2.1; }
.tok { border: 0; padding: 2px 4px; margin: 0; border-radius: 8px; background: transparent; font-size: 16px; cursor: pointer; transition: background .15s; }
.tok:hover:not(:disabled) { background: var(--soft); }
.tok[aria-pressed="true"] { background: var(--violet); color: #fff; }
.tok.right { background: #DDF5EC; color: var(--good); font-weight: 600; }
.tok.wrong { background: #FDE3E7; color: var(--bad); text-decoration: line-through; }
.tok:disabled { cursor: default; }
.hunt-meaning { margin-top: 10px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 14px; font-weight: 500; color: var(--muted); }
.hunt-meaning .ex-select { flex: 1; min-width: 220px; color: var(--ink); background: var(--soft); border-color: transparent; }
.hunt-row .fix { margin-top: 6px; }

/* Yozma ishlar (dvigatelda qolgan, hozir ishlatilmaydi) */
.sent-row { padding: 12px; border-radius: var(--r-sm); background: #fff; }
.sent-top { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.sent-top .link-btn { margin-left: auto; }
.ex-text { width: 100%; resize: vertical; padding: 10px 14px; border-radius: 14px; border: 1px solid var(--line); background: #fff; font-size: 16px; line-height: 1.55; }
.ex-text:focus { outline: none; border-color: var(--violet); }
.example { margin-top: 8px; padding: 8px 12px; border-radius: 12px; background: #FFF4D1; font-size: 14px; }
.write-foot { margin-top: 14px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 14px; }
.spacer { flex: 1; }
.hint { margin-top: 8px; font-size: 12px; color: var(--muted); }
.ex-img { width: 100%; border-radius: var(--r); margin-bottom: 16px; }
.prompt { margin: 0 0 14px; display: flex; gap: 10px; align-items: flex-start; padding: 14px 16px; border-radius: 16px; background: #fff; font-size: 18px; font-weight: 500; }
.meter { margin-top: 12px; display: grid; gap: 6px; }
.meter-row { display: flex; justify-content: space-between; gap: 8px; font-size: 14px; }
.found { margin-top: 12px; display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 14px; }
.found-list { display: inline-flex; flex-wrap: wrap; gap: 6px; }
.pill { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 500; background: #DDF5EC; color: var(--good); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ======================================================================
   Kitob — bosh sahifadagi asosiy element
   ====================================================================== */
.hero-badge { display: inline-flex; align-items: center; gap: 10px; padding: 5px 14px 5px 5px; margin-bottom: 22px; border-radius: 999px; background: var(--soft); font-size: 13.5px; font-weight: 500; }
.hero-badge img { width: 26px; height: 36px; object-fit: cover; border-radius: 4px; box-shadow: 0 4px 10px -4px rgb(0 0 0 / .4); }
.hero .reveal:nth-child(4) { transition-delay: .24s; }

.layer.v.book-stage { aspect-ratio: auto; display: grid; place-items: center; padding: clamp(44px, 6vw, 76px) 20px clamp(64px, 7vw, 92px); perspective: 2400px; }
.stage-hint { position: absolute; left: 0; right: 0; bottom: 22px; text-align: center; font-size: 13px; color: rgb(255 255 255 / .7); transition: opacity .3s; }
.book[data-open="true"] ~ .stage-hint { opacity: 0; }

.book { --o: 0; position: relative; z-index: 2; width: min(940px, 100%); aspect-ratio: 1.4128;
  transform: translateX(calc(-25% * (1 - var(--o)))) rotateX(calc(10deg * (1 - var(--o)))) rotateZ(calc(-2deg * (1 - var(--o))));
  transform-style: preserve-3d; }
.book-page.right { position: absolute; left: 50%; top: 0; width: 50%; height: 100%; background: #fff; border-radius: 3px 16px 16px 3px; overflow: hidden;
  box-shadow: 3px 0 0 #EEEBFA, 6px 0 0 #E1DCF6, 9px 1px 0 #D3CCF0, 0 40px 70px -30px rgb(20 6 90 / .65); }
.book-page.right::before { content: ''; position: absolute; inset: 0 auto 0 0; width: 40px; background: linear-gradient(90deg, rgb(30 10 120 / .14), transparent); pointer-events: none; z-index: 1; }
.book-cover { position: absolute; left: 50%; top: 0; width: 50%; height: 100%; transform-origin: left center; transform: rotateY(calc(-178deg * var(--o))); transform-style: preserve-3d; cursor: pointer; z-index: 3; }
.book-cover:focus-visible { outline: 3px solid var(--yellow); outline-offset: 4px; }
.book.animating { transition: transform .85s cubic-bezier(.3,.7,.2,1); }
.book.animating .book-cover { transition: transform .85s cubic-bezier(.3,.7,.2,1); }
.face { position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; overflow: hidden; }
.face.front { border-radius: 3px 16px 16px 3px; box-shadow: 0 40px 70px -30px rgb(20 6 90 / .7); }
.face.front img { width: 100%; height: 100%; object-fit: cover; }
.face.front::after { content: ''; position: absolute; inset: 0 auto 0 0; width: 18px; background: linear-gradient(90deg, rgb(0 0 0 / .22), rgb(255 255 255 / .18) 40%, transparent); }
.open-hint { position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%); display: inline-flex; align-items: center; gap: 7px; height: 38px; padding: 0 16px; border-radius: 999px; background: var(--ink); color: #fff; font-size: 13.5px; font-weight: 500; white-space: nowrap; box-shadow: 0 10px 24px -8px rgb(0 0 0 / .5); transition: opacity .3s; }
.book[data-open="true"] .open-hint { opacity: 0; }
.face.back { transform: rotateY(180deg); background: #fff; border-radius: 16px 3px 3px 16px; box-shadow: -3px 0 0 #EEEBFA, -6px 0 0 #E1DCF6, -9px 1px 0 #D3CCF0; }
.face.back::after { content: ''; position: absolute; inset: 0 0 0 auto; width: 40px; background: linear-gradient(270deg, rgb(30 10 120 / .14), transparent); pointer-events: none; }
.page-inner { position: relative; height: 100%; overflow: auto; padding: clamp(18px, 3vw, 34px) clamp(16px, 3vw, 34px); color: var(--ink); text-align: left; cursor: default; }
.page-kicker { font-size: 12.5px; font-weight: 500; color: var(--muted); padding-bottom: 10px; margin-bottom: 10px; border-bottom: 1px solid var(--line); }
.inner-title { font-size: clamp(24px, 3vw, 36px); font-weight: 400; letter-spacing: -.035em; line-height: 1.05; }
.inner-sub { margin-top: 8px; font-size: 13.5px; color: var(--muted); }
.inner-facts { margin: 18px 0; display: grid; gap: 12px; }
.inner-facts dt { font-size: 11.5px; color: var(--muted); }
.inner-facts dd { font-size: 14px; font-weight: 500; line-height: 1.35; }
.toc { list-style: none; padding: 0; margin: 0; display: grid; gap: 1px; }
.toc a { display: flex; align-items: baseline; gap: 8px; padding: 4px 6px; border-radius: 8px; font-size: clamp(11.5px, 1.25vw, 14px); transition: background .2s; }
.toc a:hover { background: var(--soft); }
.toc a:hover .toc-t { color: var(--k); }
.toc-n { font-weight: 600; color: var(--k); min-width: 1.6em; }
.toc-t { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 75%; transition: color .2s; }
.toc-dots { flex: 1; border-bottom: 1.5px dotted #C9C9D6; transform: translateY(-3px); min-width: 12px; }
.toc-p { color: var(--muted); }

/* Kitob atrofidagi stikerlar */
.float { position: absolute; z-index: 1; animation: floaty 7s ease-in-out infinite; pointer-events: none; }
.float svg { width: 100%; height: 100%; overflow: visible; }
.f1 { left: 3%; top: 7%; width: 120px; height: 120px; }
.f2 { right: 4%; top: 9%; width: 104px; height: 96px; animation-delay: -2s; }
.f3 { right: 3%; bottom: 10%; width: 130px; height: 130px; animation-delay: -4s; }
.f4 { left: 5%; bottom: 12%; width: 96px; height: 96px; animation-delay: -1s; }
.f5 { left: 42%; top: 1.5%; width: 120px; height: 90px; animation-delay: -3s; z-index: 4; }
@keyframes floaty { 0%, 100% { transform: translateY(0) rotate(0); } 50% { transform: translateY(-10px) rotate(3deg); } }

/* Dars turlari endi tugma — filtr vazifasini bajaradi */
button.type { border: 0; background: none; padding: 0; margin: 0; font: inherit; color: inherit; text-align: left; cursor: pointer; }
button.type[aria-pressed="true"] .type-card { box-shadow: 0 0 0 4px #fff, 0 0 0 7px var(--ink); transform: rotate(0); }
#lessons .lede { margin-bottom: 0; }
#lessons .types { margin-top: 40px; }

@media (max-width: 760px) {
  .layer.y, .layer.p { display: none; }
  .type-card { aspect-ratio: 1 / .74; }
  .type-art { width: 52%; top: 4%; right: 2%; }
  .type-num { font-size: 64px; }
  .type-ex { top: 50px; gap: 5px; }
  .type-ex span { font-size: 12.5px; padding: 4px 10px; }
  .hero-title { font-size: clamp(36px, 10vw, 44px); }
}

/* Faqat telefonda ko‘rinadigan qismlar */
.info-leaf, .book-nav { display: none; }

/* Sahifalar bir tekislikda "miltillab" yo‘qolmasligi uchun har biriga alohida chuqurlik (translateZ) */
.book-page.right { transform: translateZ(0); }
.book-cover { transform: translateZ(2px) rotateY(calc(-178deg * var(--o))); }
.leaf-back { display: none; }
/* Telefon: xuddi kompyuterdagi kabi ikki betli 3D kitob, faqat kichraytirilgan.
   Kitob 600px kenglikda chiziladi va ekranga sig‘ishi uchun --bk marta kichraytiriladi. */
.book-fit { width: 100%; display: flex; justify-content: center; }
@media (max-width: 760px) {
  .layer.v.book-stage { padding: 30px 10px 44px; perspective: 1600px; }
  .book-fit { width: calc(600px * var(--bk, .6)); height: calc(425px * var(--bk, .6)); display: block; position: relative; z-index: 2; }
  .book { width: 600px; aspect-ratio: auto; height: 425px; transform-origin: 0 0;
    transform: scale(var(--bk, .6)) translateX(calc(-25% * (1 - var(--o)))) rotateX(calc(10deg * (1 - var(--o)))) rotateZ(calc(-2deg * (1 - var(--o)))); }
  .page-inner { padding: 16px 16px; }
  .page-kicker { font-size: 12px; padding-bottom: 6px; margin-bottom: 6px; }
  .inner-title { font-size: 26px; }
  .inner-sub { font-size: 12.5px; margin-top: 4px; }
  .inner-facts { margin: 12px 0; gap: 8px; }
  .inner-facts dt { font-size: 11px; }
  .inner-facts dd { font-size: 13px; line-height: 1.3; }
  .toc { gap: 0; }
  .toc a { font-size: 12px; line-height: 1.3; padding: 1.5px 4px; gap: 6px; }
  .toc-t { max-width: 74%; }
  .open-hint { bottom: 14px; }
  .stage-hint { bottom: 14px; font-size: 12px; }
  .float { display: block; }
  .f1 { left: 4px; top: 6px; width: 54px; height: 54px; }
  .f2 { right: 6px; top: 8px; width: 46px; height: 42px; }
  .f3 { right: 4px; bottom: 6px; width: 52px; height: 52px; }
  .f4 { left: 6px; bottom: 8px; width: 40px; height: 40px; }
  .f5 { display: none; }
}
.book-stage:has(.book[data-open="true"]) .stage-hint { opacity: 0; }

/* Gap tuzish (so‘zlarni tartiblash) */
.ro-row { display: grid; gap: 10px; }
.ro-built { min-height: 48px; display: flex; flex-wrap: wrap; align-items: center; gap: 6px; padding: 8px 10px; border-radius: 12px; border: 1.5px dashed var(--line); background: var(--soft); }
.is-ok .ro-built { border-color: var(--good); background: #F1FBF7; }
.is-bad .ro-built { border-color: var(--bad); background: #FFF5F6; }
.ro-ph { font-size: 14px; color: var(--muted); }
.ro-pool { display: flex; flex-wrap: wrap; gap: 6px; }
.ro-w, .ro-b { border: 1px solid var(--line); background: #fff; padding: 6px 12px; border-radius: 10px; font-size: 15px; font-weight: 500; cursor: pointer; transition: opacity .15s, border-color .15s; }
.ro-w:hover:not(:disabled) { border-color: var(--ink); }
.ro-w:disabled { opacity: .25; cursor: default; }
.ro-b { background: var(--violet); color: #fff; border-color: var(--violet); }
.ro-b:disabled { cursor: default; }
.ro-row [data-mk] { justify-self: start; }
.gap-note { display: block; line-height: 1.5; margin-bottom: 2px; font-size: 14px; color: var(--muted); font-style: italic; }