@font-face { font-family: "Manrope"; src: url(manrope-latin.woff2) format("woff2"); font-weight: 200 800; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Manrope"; src: url(manrope-latin-ext.woff2) format("woff2"); font-weight: 200 800; font-display: swap;
  unicode-range: U+0100-02AF, U+0304, U+0308, U+0329, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Manrope"; src: url(manrope-cyrillic.woff2) format("woff2"); font-weight: 200 800; font-display: swap;
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "Zakon"; src: url(Zakon-Regular.woff2) format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Zakon"; src: url(Zakon-Bold.woff2) format("woff2"); font-weight: 700; font-display: swap; }

:root {
  --bg: #f6f4ef; --surface: #fff; --surface-2: #f1eee7; --ink: #1b1d22; --muted: #646a73; --line: #e6e2d9;
  --accent: #1652b8; --accent-strong: #0f3f91; --accent-soft: #e8effb; --sun: #f5c33b; --sun-soft: #fff3cc; --good: #1d8556;
  --sans: "Manrope", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --uk: "Zakon", Georgia, "Times New Roman", serif;
  --r: 18px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #121419; --surface: #1b1e25; --surface-2: #171a20; --ink: #eceef2; --muted: #a2a8b3; --line: #2b2f38;
    --accent: #7aa7ff; --accent-strong: #a9c6ff; --accent-soft: #1d2a44; --sun-soft: #3a3115; --good: #4cc38a; }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 var(--sans); }
a { color: var(--accent); }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.2rem, 5.4vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 750; }
p { margin: 0 0 1em; }
.uk { font-family: var(--uk); }
.wrap { max-width: 1140px; margin: 0 auto; padding: 0 20px; }
.block { padding: 72px 20px; }
.tint { background: var(--surface-2); }
.tight { padding-top: 8px; padding-bottom: 32px; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 46rem; }
.eyebrow { font-size: .8rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: .8em; }
.small { font-size: .9rem; color: var(--muted); }

/* header */
.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.bar { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; color: var(--ink); text-decoration: none; }
.mark { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 9px; background: #1652b8; color: var(--sun);
  font: 700 1.2rem var(--uk); }
.nav { display: flex; gap: 22px; margin-right: auto; }
.nav a, .login { color: var(--ink); text-decoration: none; font-weight: 600; font-size: .95rem; }
.nav a:hover, .login:hover, .nav a[aria-current] { color: var(--accent); }
.actions { display: flex; align-items: center; gap: 16px; }
.langs { position: relative; }
.langs summary { list-style: none; cursor: pointer; font-weight: 700; font-size: .85rem; padding: 6px 10px; border: 1px solid var(--line); border-radius: 999px; }
.langs summary::-webkit-details-marker { display: none; }
.langs .menu { position: absolute; right: 0; top: 40px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  padding: 6px; min-width: 150px; box-shadow: 0 10px 30px rgb(0 0 0 / .12); }
.langs .menu a { display: block; padding: 8px 12px; border-radius: 8px; color: var(--ink); text-decoration: none; font-weight: 600; }
.langs .menu a:hover, .langs .menu a[aria-current] { background: var(--accent-soft); color: var(--accent); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--accent); color: #fff;
  font-weight: 750; text-decoration: none; padding: 14px 24px; border-radius: 999px; border: 2px solid var(--accent); transition: .15s; }
@media (prefers-color-scheme: dark) { .btn { color: #0d1526; } }
.btn:hover { background: var(--accent-strong); border-color: var(--accent-strong); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--accent); }
.btn-ghost:hover { background: var(--accent-soft); color: var(--accent); }
.btn-sm { padding: 8px 16px; font-size: .9rem; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 14px; }
.free { font-size: .95rem; color: var(--good); font-weight: 650; }

/* hero */
.hero { padding: 64px 0 40px; background: radial-gradient(1200px 500px at 85% -10%, var(--sun-soft), transparent 60%),
  radial-gradient(900px 500px at -10% 110%, var(--accent-soft), transparent 60%); }
.hero-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 48px; align-items: center; }
.hero h1 { max-width: 15ch; }
.hero-art { position: relative; margin: 0; }
.hero-art picture img { display: block; width: 100%; height: auto; aspect-ratio: 1100 / 832; object-fit: cover; border-radius: 28px;
  box-shadow: 0 30px 60px -24px rgb(15 40 90 / .45); }
.hero-art figcaption { position: absolute; right: 16px; top: 16px; background: rgb(0 0 0 / .45); color: #fff; font-size: .85rem;
  padding: 4px 12px; border-radius: 999px; backdrop-filter: blur(4px); }
.card-uk { position: absolute; left: -36px; bottom: -32px; background: var(--surface); border-radius: 22px; padding: 18px 24px 16px;
  box-shadow: 0 24px 48px -18px rgb(22 82 184 / .45); border: 1px solid var(--line); transform: rotate(-3deg); max-width: 250px; overflow: hidden; }
.card-uk::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 7px; background: linear-gradient(90deg, #1652b8 50%, #f5c33b 50%); }
.card-uk .big { display: block; font-size: 2.4rem; font-weight: 700; color: var(--accent); line-height: 1.1; margin: 6px 0 6px; }
.card-uk .letters { display: block; font-size: 1.05rem; line-height: 1.5; color: var(--muted); word-spacing: .2em; }
.stats { list-style: none; margin: 48px auto 0; padding: 0 20px; max-width: 1140px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.stats li { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 18px 20px; }
.stats strong { display: block; font-size: 1.8rem; font-weight: 800; color: var(--accent); letter-spacing: -.02em; }
.stats span { color: var(--muted); font-weight: 600; font-size: .95rem; }

/* sample dialogue */
.sample { margin: 56px 0 0; display: grid; grid-template-columns: 1fr 1.4fr; gap: 40px; background: var(--surface);
  border: 1px solid var(--line); border-radius: 28px; padding: 40px; }
.player { min-width: 0; }
.play { display: inline-flex; align-items: center; gap: 12px; border: 0; cursor: pointer; background: var(--sun); color: #1b1d22;
  font: 800 1rem var(--sans); padding: 12px 22px 12px 14px; border-radius: 999px; margin-bottom: 16px; }
.play .pi { width: 30px; height: 30px; border-radius: 50%; background: #1b1d22; position: relative; }
.play .pi::after { content: ""; position: absolute; left: 11px; top: 8px; border: 7px solid transparent; border-left: 11px solid var(--sun); border-right: 0; }
.play.on .pi::after { left: 10px; top: 10px; width: 10px; height: 10px; border: 0; background: var(--sun); }
.dialogue { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.line { all: unset; box-sizing: border-box; cursor: pointer; display: grid; grid-template-columns: 96px 1fr; column-gap: 14px; width: 100%;
  padding: 10px 14px; border-radius: 12px; }
.line:hover { background: var(--surface-2); }
.line:focus-visible { outline: 2px solid var(--accent); }
.dialogue li.on .line { background: var(--accent-soft); }
.who { grid-row: span 2; font: 700 .9rem var(--uk); color: var(--accent); padding-top: 3px; }
.say { font-size: 1.2rem; }
.line .tr { color: var(--muted); font-size: .92rem; }

/* level path */
.path { list-style: none; padding: 0; margin: 32px 0 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; counter-reset: lv; }
.level { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 22px; position: relative; }
.level:nth-child(1) { border-top: 5px solid #9bb6e6; } .level:nth-child(2) { border-top: 5px solid #5d8ad6; }
.level:nth-child(3) { border-top: 5px solid #1652b8; } .level:nth-child(4) { border-top: 5px solid #e7b52c; }
.level:nth-child(5) { border-top: 5px solid #c98f00; }
.lv-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.cefr { font-weight: 800; font-size: 1.5rem; letter-spacing: -.02em; white-space: nowrap; }
.lv-top { gap: 8px; flex-wrap: wrap; }
.tag { font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; background: var(--accent); color: #fff;
  padding: 4px 10px; border-radius: 999px; }
.tag-free { background: var(--good); }
.level h3 { font-size: 1rem; }
.count { color: var(--muted); font-size: .85rem; font-weight: 700; margin-bottom: .6em; }
.goals { margin: 0; padding-left: 18px; font-size: .92rem; }
.goals li { margin-bottom: .45em; }
.more { margin-top: 24px; font-weight: 750; }
.more a { text-decoration: none; }

/* steps */
.steps { list-style: none; padding: 0; margin: 32px 0 0; display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; }
.steps li { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 18px 16px; display: grid; gap: 6px; align-content: start; }
.steps .n { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: var(--accent-soft);
  color: var(--accent); font-weight: 800; font-size: .9rem; }
.steps strong { font-size: 1rem; }
.steps li span:last-child { color: var(--muted); font-size: .88rem; line-height: 1.45; }

/* features */
.features { list-style: none; padding: 0; margin: 32px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.features li { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 26px; }
.features svg { width: 40px; height: 40px; padding: 8px; border-radius: 12px; background: var(--sun-soft); fill: none; stroke: var(--accent);
  stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 14px; }
.features p { color: var(--muted); margin: 0; }

/* grammar rules */
.rules { list-style: none; padding: 0; margin: 32px 0 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.rules li { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 26px; border-left: 5px solid var(--sun); }
.rules .uk { font-size: 1.1em; }
.ex { margin: 0; padding: 12px 16px; background: var(--surface-2); border-radius: 12px; display: grid; }
.ex .tr { color: var(--muted); font-size: .92rem; }

/* readers */
.books { list-style: none; padding: 0; margin: 32px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.book { border-radius: 6px 18px 18px 6px; padding: 26px 22px 22px 30px; color: #fff; position: relative; min-height: 260px;
  box-shadow: 0 18px 30px -18px rgb(0 0 0 / .45); }
.book::before { content: ""; position: absolute; left: 10px; top: 0; bottom: 0; width: 2px; background: rgb(255 255 255 / .35); }
.book-a1 { background: #5d8ad6; } .book-a2 { background: #1652b8; } .book-b1 { background: #b8860b; } .book-b2 { background: #0f2f6b; }
.book .spine { font-weight: 800; font-size: .8rem; letter-spacing: .1em; opacity: .85; }
.book h3 { font: 700 1.35rem var(--uk); margin: 10px 0 12px; }
.book p { font-size: .9rem; opacity: .92; margin: 0; }

/* pricing */
.plans { list-style: none; padding: 0; margin: 32px 0 0; display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; align-items: stretch; }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 22px; display: flex; flex-direction: column; position: relative; }
.plan p { font-size: .92rem; }
.plan .btn { margin-top: auto; padding: 10px 16px; font-size: .92rem; }
.price { display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; }
.price strong { font-size: 2rem; font-weight: 800; letter-spacing: -.02em; }
.price span { color: var(--muted); font-size: .8rem; }
.plan-best { grid-column: span 1; border: 2px solid var(--accent); box-shadow: 0 20px 40px -24px rgb(22 82 184 / .6); }
.plan-best .tag { position: absolute; top: -12px; left: 18px; }
.save { color: var(--good); font-weight: 750; }
.tutor { margin-top: 22px; color: var(--muted); }
.fine-print { color: var(--muted); font-size: .85rem; }

/* faq */
.faq { max-width: 52rem; margin-top: 24px; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; margin-bottom: 10px; }
.faq summary { cursor: pointer; padding: 18px 22px; font-weight: 750; list-style: none; position: relative; padding-right: 50px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 22px; top: 14px; font-size: 1.4rem; color: var(--accent); }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 22px 18px; margin: 0; color: var(--muted); }

/* final call */
.final { background: #1652b8; color: #fff; text-align: center; padding: 80px 0; }
.final h2 { color: #fff; } .final p { opacity: .85; font-size: 1.1rem; }
.final .ctas { justify-content: center; }
.final .btn { background: var(--sun); border-color: var(--sun); color: #1b1d22; }
.final .btn-ghost { background: transparent; border-color: rgb(255 255 255 / .6); color: #fff; }
.final .btn-ghost:hover { background: rgb(255 255 255 / .12); }

/* levels page */
.page-head { padding-top: 56px; padding-bottom: 8px; }
.jump { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.jump a { padding: 6px 14px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); font-weight: 750; text-decoration: none; }
.levels { padding-bottom: 64px; }
.band { margin-top: 40px; }
.band > h2 .cefr { font-size: inherit; color: var(--accent); }
.exam { color: var(--muted); font-weight: 650; }
.sub { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 24px; margin-top: 16px; }
.mods { list-style: none; padding: 0; margin: 12px 0 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px 28px; }
.mods > li { display: grid; grid-template-columns: 34px 1fr; gap: 10px; padding: 12px 0; border-top: 1px solid var(--line); }
.mn { font-weight: 800; color: var(--accent); }
.mods ul { margin: 4px 0 0; padding-left: 18px; font-size: .9rem; color: var(--muted); }

/* footer */
.foot { border-top: 1px solid var(--line); padding: 40px 0 24px; font-size: .95rem; }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 24px; }
.foot nav { display: grid; gap: 6px; align-content: start; }
.foot nav a { color: var(--ink); text-decoration: none; }
.foot nav a:hover { color: var(--accent); }
.foot p { color: var(--muted); margin-top: 10px; }
.fine { color: var(--muted); font-size: .85rem; margin-top: 24px; }

@media (max-width: 1000px) {
  .path { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(4, 1fr); }
  .plans { grid-template-columns: repeat(3, 1fr); }
  .books { grid-template-columns: repeat(2, 1fr); }
  .features { grid-template-columns: repeat(2, 1fr); }
  .nav { display: none; }
  .actions { margin-left: auto; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .block { padding: 52px 16px; }
  .hero { padding-top: 36px; }
  .hero-grid, .sample { grid-template-columns: 1fr; }
  .hero-art { margin-top: 8px; }
  .hero-art picture img { border-radius: 20px; aspect-ratio: 16 / 10; }
  .card-uk { display: none; }
  .sample { padding: 24px 18px; gap: 8px; border-radius: 20px; margin-top: 40px; }
  .line { grid-template-columns: 1fr; padding: 10px; }
  .who { grid-row: auto; }
  .stats { grid-template-columns: repeat(2, 1fr); padding: 0 16px; }
  .path, .rules, .features, .mods, .foot-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .plans { grid-template-columns: 1fr 1fr; }
  .plan-best { grid-column: 1 / -1; }
  .books { grid-template-columns: 1fr 1fr; }
  .book { min-height: 0; }
  .login { display: none; }
  .bar { gap: 12px; }
}
@media (max-width: 400px) { .brand span:last-child { display: none; } .plans, .books { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn { transition: none; } }