:root {
  --bg-0: #F0F4F8;
  --bg-1: #E8EDF4;
  --bg-2: #D8E3F0;
  --card: #FFFFFF;
  --ink: #1F2937;
  --sub: #5B6472;
  --line: #DFE6EF;
  --blue: #2D6CDF;
  --blue-dark: #1F4FB0;
  --blue-soft: #E3ECFB;
  --ok: #1D9E75;
  --bad: #D85A30;
  --radius: 14px;
  --maxw: 1080px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  font-family: 'Manrope', -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  color: var(--ink);
  background: linear-gradient(160deg, var(--bg-0) 0%, var(--bg-1) 55%, var(--bg-2) 100%);
  background-attachment: fixed;
  line-height: 1.6;
  font-size: 16px;
}

h1, h2, .brand { font-family: 'Unbounded', 'Manrope', sans-serif; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.7rem, 4.2vw, 2.7rem); line-height: 1.18; font-weight: 600; }
h2 { font-size: clamp(1.25rem, 2.6vw, 1.7rem); font-weight: 600; margin-bottom: 0.4em; }
h3 { font-size: 1.02rem; font-weight: 700; }
p  { color: var(--sub); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }
section { padding: 56px 0; }

a:focus-visible, button:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 2px;
  border-radius: 6px;
}

/* Header */
header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(240, 244, 248, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 22px; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.05rem; color: var(--ink); text-decoration: none; }
.brand-mark {
  width: 30px; height: 30px; border-radius: 9px; background: var(--blue);
  color: #fff; display: grid; place-items: center;
  font-size: 0.95rem; box-shadow: 0 6px 16px rgba(45,108,223,0.35);
}
.nav-links { display: flex; gap: 18px; margin-left: 8px; }
.nav-links a { color: var(--sub); text-decoration: none; font-size: 0.92rem; font-weight: 600; }
.nav-links a:hover { color: var(--ink); }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.lang { display: flex; border: 1px solid var(--line); border-radius: 9px; overflow: hidden; background: #fff; }
.lang button {
  border: 0; background: transparent; padding: 6px 10px; cursor: pointer;
  font: 600 0.8rem 'Manrope', sans-serif; color: var(--sub);
}
.lang button[aria-pressed="true"] { background: var(--blue); color: #fff; }

.btn {
  display: inline-block; text-decoration: none; font-weight: 700; font-size: 0.95rem;
  border-radius: 11px; padding: 11px 20px; transition: transform .12s ease, box-shadow .12s ease;
}
.btn:active { transform: scale(0.98); }
.btn-blue { background: var(--blue); color: #fff; box-shadow: 0 8px 20px rgba(45,108,223,0.30); }
.btn-blue:hover { background: var(--blue-dark); }
.btn-ghost { border: 1.5px solid var(--line); color: var(--ink); background: #fff; }
.btn-sm { padding: 8px 14px; font-size: 0.88rem; }

/* Hero */
.hero { padding: 64px 0 48px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 44px; align-items: center; }
.eyebrow {
  display: inline-block; background: var(--blue-soft); color: var(--blue-dark);
  font-size: 0.8rem; font-weight: 700; padding: 5px 13px; border-radius: 999px; margin-bottom: 16px;
}
.hero p.lead { font-size: 1.06rem; margin: 16px 0 26px; max-width: 46ch; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.hero-note { font-size: 0.82rem; color: var(--sub); margin-top: 12px; }

/* Demo task card — сигнатурный элемент */
.task-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: 0 18px 44px rgba(31, 60, 105, 0.10);
  padding: 22px; max-width: 430px; justify-self: end; width: 100%;
}
.task-tag { font-size: 0.72rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; color: var(--blue-dark); }
.task-top { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.task-count { font-size: 0.78rem; font-weight: 700; color: var(--sub); }
.task-sentence {
  background: var(--bg-0); border-radius: 10px; padding: 14px 16px;
  font-size: 1.0rem; color: var(--ink); margin: 12px 0 14px; line-height: 1.55;
}
.task-gap { font-weight: 800; color: var(--blue-dark); letter-spacing: 0.05em; }
.task-gap.filled { border-bottom: 2px solid var(--blue); letter-spacing: normal; }
.task-opts { display: flex; gap: 10px; flex-wrap: wrap; }
.task-opts button {
  flex: 1; min-width: 100px; padding: 10px 8px; border-radius: 10px; border: 1.5px solid var(--line);
  background: #fff; font: 700 0.95rem 'Manrope', sans-serif; color: var(--ink); cursor: pointer;
}
.task-opts button:hover { border-color: var(--blue); }
.task-opts button.correct { background: #E1F5EE; border-color: var(--ok); color: #085041; }
.task-opts button.wrong { background: #FAECE7; border-color: var(--bad); color: #712B13; }
.task-next {
  margin-top: 12px; width: 100%; padding: 10px 0; border-radius: 10px; border: 0;
  background: var(--blue-soft); color: var(--blue-dark);
  font: 700 0.92rem 'Manrope', sans-serif; cursor: pointer;
}
.task-next:hover { background: #D3E2F8; }
.task-fb { min-height: 40px; font-size: 0.86rem; margin-top: 12px; color: var(--sub); }
.task-fb.ok { color: #0F6E56; font-weight: 600; }
.task-fb.bad { color: #993C1D; font-weight: 600; }


/* Stats strip */
.stats { padding: 6px 0 0; }
.stats-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 18px 22px;
}
.stat b { display: block; font-family: 'Unbounded', sans-serif; font-size: 1.05rem; color: var(--ink); font-weight: 600; }
.stat span { font-size: 0.8rem; color: var(--sub); line-height: 1.4; display: block; margin-top: 2px; }
@media (max-width: 900px) { .stats-row { grid-template-columns: repeat(2, 1fr); } }

/* Sections */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px;
}
.card .ic {
  width: 40px; height: 40px; border-radius: 11px; background: var(--blue-soft);
  display: grid; place-items: center; margin-bottom: 12px; font-size: 1.1rem; color: var(--blue-dark);
}
.card h3 { margin-bottom: 6px; }
.card p { font-size: 0.9rem; }

.section-head { max-width: 60ch; margin-bottom: 26px; }
.section-head p { font-size: 0.98rem; }

.step-n {
  font-family: 'Unbounded', sans-serif; font-size: 0.85rem; font-weight: 700;
  color: var(--blue); margin-bottom: 8px;
}

/* Pricing */
.price-card { position: relative; padding: 26px; }
.price-card.featured { border: 2px solid var(--blue); }
.price-badge {
  position: absolute; top: -12px; left: 22px; background: var(--blue); color: #fff;
  font-size: 0.72rem; font-weight: 800; padding: 4px 12px; border-radius: 999px;
}
.price { font-family: 'Unbounded', sans-serif; font-size: 1.7rem; font-weight: 600; margin: 8px 0 4px; }
.price small { font-size: 0.8rem; font-weight: 500; color: var(--sub); font-family: 'Manrope', sans-serif; }
.price-card ul { list-style: none; margin: 14px 0 20px; }
.price-card li { font-size: 0.9rem; color: var(--sub); padding: 5px 0 5px 26px; position: relative; }
.price-card li::before { content: "✓"; position: absolute; left: 2px; color: var(--ok); font-weight: 800; }

/* FAQ */
details {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 15px 18px; margin-bottom: 10px;
}
summary { cursor: pointer; font-weight: 700; font-size: 0.96rem; list-style: none; position: relative; padding-right: 26px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 2px; top: 0; color: var(--blue); font-weight: 800; }
details[open] summary::after { content: "–"; }
details p { margin-top: 10px; font-size: 0.9rem; }

/* CTA band */
.cta-band {
  background: var(--blue); border-radius: 18px; padding: 40px 32px; text-align: center;
  box-shadow: 0 20px 50px rgba(45,108,223,0.35);
}
.cta-band h2 { color: #fff; }
.cta-band p { color: #DCE8FB; margin: 8px 0 22px; }
.cta-band .btn { background: #fff; color: var(--blue-dark); }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 32px 0 40px; font-size: 0.83rem; }
.foot { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; color: var(--sub); }
.foot-links { display: flex; gap: 16px; flex-wrap: wrap; }
.foot-links a { color: var(--sub); text-decoration: none; }
.foot-links a:hover { color: var(--ink); text-decoration: underline; }
.disclaimer { max-width: 62ch; margin-top: 10px; font-size: 0.78rem; }

/* Legal pages */
.legal { max-width: 760px; margin: 0 auto; padding: 48px 22px 72px; }
.legal h1 { margin-bottom: 6px; }
.legal .updated { font-size: 0.85rem; margin-bottom: 28px; }
.legal h2 { margin: 28px 0 8px; font-size: 1.2rem; }
.legal p, .legal li { font-size: 0.95rem; color: var(--ink); margin-bottom: 10px; }
.legal ul, .legal ol { padding-left: 22px; margin-bottom: 12px; }
.legal table { border-collapse: collapse; width: 100%; margin: 12px 0; font-size: 0.88rem; }
.legal th, .legal td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; }
.legal th { background: var(--bg-0); }
.legal a { color: var(--blue-dark); }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .task-card { justify-self: start; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  section { padding: 40px 0; }
}

/* Переключатель языка — ссылки на статические версии (/, /uk/, /ru/, /en/) */
.lang a {
  padding: 6px 10px; text-decoration: none;
  font: 600 0.8rem 'Manrope', sans-serif; color: var(--sub);
}
.lang a:hover { color: var(--ink); }
.lang a[aria-current="page"] { background: var(--blue); color: #fff; }

/* Кнопки сторов в hero */
.stores { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.store {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 9px 16px; border-radius: 11px; background: #111827; color: #fff;
  font-weight: 700; font-size: 0.95rem; text-decoration: none; line-height: 1.2;
}
a.store:hover { background: #000; }
.store small {
  font-size: 0.66rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em;
  padding: 3px 8px; border-radius: 999px; background: rgba(255,255,255,0.16);
}
.store.soon { background: #fff; color: var(--ink); border: 1.5px solid var(--line); }
.store.soon small { background: var(--blue-soft); color: var(--blue-dark); }

/* Иконки карточек: линейные SVG в цветах приложения */
.card .ic svg { display: block; }
.card .ic-green  { background: #E1F5EA; color: #2E9B5B; }
.card .ic-blue   { background: #E3ECFB; color: #2D6CDF; }
.card .ic-teal   { background: #DDF4F7; color: #0E9FB3; }
.card .ic-purple { background: #F0E6F8; color: #8E3FB8; }
.card .ic-orange { background: #FDEFD9; color: #DB8A1E; }
@media (max-width: 480px) { .lang a { padding: 6px 8px; } }
@media (max-width: 430px) { .nav-right .btn { display: none; } .nav { gap: 12px; } }
.price-alt { font-size: 0.85rem; color: var(--sub); margin-top: -2px; }
.card-accent { border: 1.5px solid #F3D9AE; background: linear-gradient(180deg, #FFFBF3 0%, #FFFFFF 60%); }