/* wordwoodkids.com — светлый «тетрадный» сайт Wordwood: бумага в линейку, плитки слогов, оранжевый Рыжик,
   небесный и луговой акценты. Шрифты свои: Unbounded — заголовки, Nunito — текст, Fredoka — название. */
@font-face { font-family: 'Fredoka'; src: url('fonts/fredoka-latin-700-normal.woff2') format('woff2'); font-weight: 700; font-display: swap; }
@font-face { font-family: 'Unbounded'; src: url('fonts/unbounded-cyrillic-800-normal.woff2') format('woff2'); font-weight: 800; font-display: swap; unicode-range: U+0400-04FF; }
@font-face { font-family: 'Unbounded'; src: url('fonts/unbounded-latin-800-normal.woff2') format('woff2'); font-weight: 800; font-display: swap; unicode-range: U+0000-00FF, U+2013-2014, U+00AB, U+00BB; }
@font-face { font-family: 'Nunito'; src: url('fonts/nunito-cyrillic-600-normal.woff2') format('woff2'); font-weight: 600; font-display: swap; unicode-range: U+0400-04FF; }
@font-face { font-family: 'Nunito'; src: url('fonts/nunito-latin-600-normal.woff2') format('woff2'); font-weight: 600; font-display: swap; unicode-range: U+0000-00FF, U+2013-2014, U+00AB, U+00BB, U+2026; }
@font-face { font-family: 'Nunito'; src: url('fonts/nunito-cyrillic-800-normal.woff2') format('woff2'); font-weight: 800; font-display: swap; unicode-range: U+0400-04FF; }
@font-face { font-family: 'Nunito'; src: url('fonts/nunito-latin-800-normal.woff2') format('woff2'); font-weight: 800; font-display: swap; unicode-range: U+0000-00FF, U+2013-2014, U+00AB, U+00BB, U+2026; }

:root {
  --paper: #fdf8ef; --paper-2: #f6eedd; --card: #ffffff; --rule: #dfe8f3; --margin: #f3b9a6;
  --ink: #26323a; --ink-soft: #55636b; --line: #e6dcc8;
  --fox: #e8692f; --fox-dark: #b74a17; --sky: #3e7fc9; --sky-soft: #e4eefa; --leaf: #4f9a45; --leaf-soft: #e5f2e1; --sun: #f5c84c;
  --radius: 22px; --radius-s: 14px;
  --shadow: 0 1px 0 rgba(38, 50, 58, .06), 0 10px 28px rgba(38, 50, 58, .10);
  --gutter: clamp(16px, 4vw, 40px);
  --font: 'Nunito', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-display: 'Unbounded', 'Nunito', system-ui, sans-serif;
  --font-brand: 'Fredoka', 'Nunito', system-ui, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 600 18px/1.6 var(--font); overflow-x: hidden; }
img, video, iframe { display: block; max-width: 100%; }
a { color: var(--sky); }
h1, h2, h3, p { margin: 0; }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; border-radius: 8px; }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; padding: 10px 16px; background: var(--card); border-radius: 10px; }
.skip:focus { left: 16px; }
.wrap { width: min(1160px, 100%); margin: 0 auto; padding: 0 var(--gutter); }
.wrap--narrow { width: min(840px, 100%); }

/* кнопки: плоские, с нижней кромкой */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 24px; border-radius: 14px; border: 2px solid transparent; font: 800 18px/1.1 var(--font); text-decoration: none; cursor: pointer; transition: transform .12s ease, box-shadow .12s ease; -webkit-tap-highlight-color: transparent; }
.btn svg { width: 22px; height: 22px; flex: none; fill: currentColor; }
.btn--fox { color: #fff; background: var(--fox); box-shadow: 0 4px 0 var(--fox-dark); }
.btn--line { color: var(--ink); background: var(--card); border-color: var(--ink); box-shadow: 0 4px 0 var(--ink); }
.btn--big { min-height: 62px; padding: 0 30px; font-size: 20px; }
.btn--small { min-height: 44px; padding: 0 16px; font-size: 16px; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--fox-dark); }
.btn--line:active { box-shadow: 0 1px 0 var(--ink); }
.btn[aria-disabled='true'] { opacity: .55; cursor: default; transform: none; }

/* шапка */
.bar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 16px; padding: 10px var(--gutter); padding-top: calc(10px + env(safe-area-inset-top, 0px)); background: rgba(253, 248, 239, .92); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.bar__brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font: 700 25px/1 var(--font-brand); }
.bar__brand img { border-radius: 11px; }
.bar__nav { display: flex; gap: 4px; margin-left: auto; }
.bar__nav a { color: var(--ink); text-decoration: none; font-weight: 800; font-size: 16px; padding: 8px 12px; border-radius: 10px; }
.bar__nav a:hover { background: var(--paper-2); }
.bar__cta { margin-left: 6px; }
.bar__lang { display: inline-grid; place-items: center; min-width: 44px; min-height: 44px; padding: 0 10px; border-radius: 10px; border: 2px solid var(--line); color: var(--ink); text-decoration: none; font-weight: 800; font-size: 15px; }
.bar__lang:hover { background: var(--paper-2); }
@media (max-width: 920px) { .bar__nav:not(.bar__nav--doc) { display: none; } .bar__lang { margin-left: auto; } }

/* первый экран: лист в линейку с полем */
.intro { padding: clamp(28px, 5vw, 64px) 0 clamp(40px, 6vw, 80px); background-color: var(--paper); background-image: repeating-linear-gradient(180deg, transparent 0 35px, var(--rule) 35px 36px); }
/* поле тетради — только там, где слева от текста есть место */
@media (min-width: 1300px) { .intro { background-image: linear-gradient(90deg, transparent 56px, var(--margin) 56px, var(--margin) 58px, transparent 58px), repeating-linear-gradient(180deg, transparent 0 35px, var(--rule) 35px 36px); } }
.intro__in { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
.intro__for { display: inline-block; padding: 4px 12px; border-radius: 8px; background: var(--leaf-soft); color: #2f6b28; font-weight: 800; font-size: 15px; }
.intro h1 { margin-top: 14px; font: 800 clamp(30px, 4vw, 48px)/1.14 var(--font-display); letter-spacing: -.01em; overflow-wrap: anywhere; }
.intro__lead { margin-top: 18px; max-width: 34em; color: var(--ink-soft); font-size: clamp(17px, 1.6vw, 20px); }
.intro__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 26px; }
.tiles { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 30px; }
.tile { display: inline-grid; place-items: center; min-width: 64px; height: 64px; padding: 0 12px; border-radius: 14px; background: #fde6d8; color: var(--fox-dark); font: 800 28px/1 var(--font-display); box-shadow: 0 4px 0 #f0b896; }
.tile--sky { background: var(--sky-soft); color: #245c9c; box-shadow: 0 4px 0 #b9d0ec; }
.tile--leaf { background: var(--leaf-soft); color: #2f6b28; box-shadow: 0 4px 0 #bcdcb4; }
.tiles__eq { font: 800 30px/1 var(--font-display); color: var(--ink-soft); }
.tiles__word { font: 800 clamp(26px, 3vw, 34px)/1 var(--font-display); color: var(--ink); letter-spacing: .04em; }
.intro__media { position: relative; padding-bottom: 8%; }
.intro__scene { width: 88%; height: auto; border-radius: var(--radius); box-shadow: var(--shadow); border: 6px solid var(--card); }
.intro__phone { position: absolute; right: 0; bottom: 0; width: 38%; height: auto; border-radius: 26px; border: 7px solid #1f2a30; box-shadow: 0 18px 40px rgba(20, 30, 36, .28); background: #1f2a30; }
@media (max-width: 860px) {
  .intro__in { grid-template-columns: minmax(0, 1fr); }
  .intro__media { max-width: 560px; }
}
@media (max-width: 480px) { .tiles { gap: 8px; } .tile { min-width: 46px; height: 46px; padding: 0 8px; font-size: 19px; } .tiles__eq { font-size: 22px; } .tiles__word { font-size: 21px; } .intro__actions .btn { flex: 1 1 100%; } }

/* секции */
.block { padding: clamp(48px, 7vw, 96px) 0; }
.block--tint { background: var(--paper-2); }
.h2 { font: 800 clamp(25px, 3.4vw, 40px)/1.18 var(--font-display); overflow-wrap: anywhere; }
.sub { margin-top: 14px; max-width: 46em; color: var(--ink-soft); }

/* путь по главам */
.path { counter-reset: ch; list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin: 34px 0 0; padding: 0; }
.path li { counter-increment: ch; position: relative; display: flex; flex-direction: column; gap: 4px; padding: 18px 18px 18px 18px; border-radius: var(--radius-s); background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); }
.path li::before { content: 'Глава ' counter(ch); color: var(--fox-dark); font-weight: 800; font-size: 14px; }
.path b { font: 800 19px/1.25 var(--font-display); }
.path span { color: var(--ink-soft); font-size: 16px; }
.path--en li::before { content: 'Chapter ' counter(ch); }
.path--en span[lang] { color: var(--fox-dark); font-weight: 800; letter-spacing: .04em; }
.tiles__note { margin-top: 10px; color: var(--ink-soft); font-size: 15px; }
@media (max-width: 960px) { .path { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 460px) { .path { grid-template-columns: minmax(0, 1fr); } }

/* занятие */
.lesson { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; margin-top: 34px; }
.lesson__item { display: grid; grid-template-columns: 180px minmax(0, 1fr); grid-template-rows: auto 1fr; column-gap: 18px; row-gap: 6px; padding: 16px; border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow); }
.lesson__item img { grid-row: 1 / 3; width: 180px; height: 100%; min-height: 140px; object-fit: cover; border-radius: var(--radius-s); }
.lesson__item h3 { font: 800 20px/1.25 var(--font-display); align-self: end; }
.lesson__item p { color: var(--ink-soft); font-size: 16px; }
@media (max-width: 960px) { .lesson { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 520px) { .lesson__item { grid-template-columns: minmax(0, 1fr); } .lesson__item img { grid-row: auto; width: 100%; height: auto; aspect-ratio: 16 / 10; } }

/* игра на странице */
.block--play { background: var(--sky-soft); }
.player { margin-top: 28px; }
.player__frame { position: relative; aspect-ratio: 16 / 9; width: 100%; border-radius: var(--radius); overflow: hidden; background: #1f2a30; border: 6px solid var(--card); box-shadow: var(--shadow); }
.player__frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.player__start { position: absolute; inset: 0; padding: 0; border: 0; cursor: pointer; background: #1f2a30; }
.player__start picture { position: absolute; inset: 0; }
.player__start img { width: 100%; height: 100%; object-fit: cover; filter: brightness(.8); }
.player__go { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: inline-flex; align-items: center; gap: 12px; min-height: 68px; padding: 0 32px; border-radius: 16px; color: #fff; font: 800 clamp(19px, 2.2vw, 24px)/1 var(--font); background: var(--fox); box-shadow: 0 5px 0 var(--fox-dark); white-space: nowrap; }
.player__go svg { width: 26px; height: 26px; fill: currentColor; }
.player__bar { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 18px; }
.player.is-on .player__start { display: none; }
.player__frame:fullscreen { border: 0; border-radius: 0; }
.hint { margin-top: 12px; text-align: center; color: var(--ink-soft); font-size: 15px; }
@media (orientation: portrait) and (max-width: 760px) { .player__frame { aspect-ratio: 9 / 15; max-height: 78vh; margin: 0 auto; } }

/* что внутри */
.inside { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 28px; margin-top: 30px; align-items: start; }
.facts { width: 100%; border-collapse: collapse; background: var(--card); border-radius: var(--radius-s); overflow: hidden; box-shadow: var(--shadow); }
.facts caption { text-align: left; padding: 0 0 10px; font-weight: 800; color: var(--ink-soft); font-size: 15px; }
.facts th, .facts td { padding: 13px 16px; text-align: left; border-bottom: 1px solid var(--line); font-size: 17px; }
.facts tr:last-child th, .facts tr:last-child td { border-bottom: 0; }
.facts th { width: 36%; color: var(--fox-dark); font-weight: 800; }
.inside__games h3 { font: 800 20px/1.25 var(--font-display); }
.inside__games p { margin-top: 14px; color: var(--ink-soft); font-size: 16px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 0; padding: 0; list-style: none; }
.chips li { padding: 6px 12px; border-radius: 10px; background: var(--card); border: 1px solid var(--line); font-size: 16px; font-weight: 800; }
@media (max-width: 860px) { .inside { grid-template-columns: minmax(0, 1fr); } }

.gallery { display: flex; gap: 18px; margin-top: 36px; padding: 6px var(--gutter) 22px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: thin; }
.gallery figure { flex: none; margin: 0; scroll-snap-align: center; width: clamp(190px, 20vw, 250px); }
.gallery figure.is-wide { width: clamp(290px, 44vw, 520px); }
.gallery img { width: 100%; height: auto; border-radius: 18px; border: 5px solid var(--card); box-shadow: var(--shadow); }

/* родителям */
.parents { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 30px; }
.note-card { padding: 22px 24px; border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow); border-top: 5px solid var(--sky); }
.note-card:nth-child(2) { border-top-color: var(--leaf); }
.note-card:nth-child(3) { border-top-color: var(--sun); }
.note-card:nth-child(4) { border-top-color: var(--fox); }
.note-card h3 { font: 800 20px/1.25 var(--font-display); }
.note-card p, .note-card li { margin-top: 10px; color: var(--ink-soft); font-size: 16px; }
.note-card ul { margin: 0; padding-left: 20px; }
.note-card li { margin-top: 4px; }
@media (max-width: 760px) { .parents { grid-template-columns: minmax(0, 1fr); } }

/* установка */
.install { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 30px; }
.install__card { display: flex; flex-direction: column; gap: 12px; padding: 24px; border-radius: var(--radius); background: var(--card); border: 2px solid var(--ink); box-shadow: 0 5px 0 var(--ink); }
.install__card h3 { font: 800 24px/1.2 var(--font-display); }
.install__card p, .install__card li { color: var(--ink-soft); font-size: 16px; }
.install__card ol { margin: 0; padding-left: 22px; }
.install__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: auto; padding-top: 6px; }
.install__meta { font-size: 14px !important; }
@media (max-width: 760px) { .install { grid-template-columns: minmax(0, 1fr); } .install__actions .btn { flex: 1 1 100%; } }

/* вопросы */
.faq { margin-top: 26px; display: grid; gap: 12px; }
.faq details { border-radius: var(--radius-s); background: var(--card); box-shadow: var(--shadow); }
.faq summary { display: flex; align-items: center; justify-content: space-between; gap: 14px; min-height: 56px; padding: 14px 20px; cursor: pointer; font-weight: 800; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; flex: none; display: grid; place-items: center; width: 32px; height: 32px; border-radius: 9px; background: var(--paper-2); color: var(--fox-dark); font: 800 22px/1 var(--font); }
.faq details[open] summary::after { content: '−'; }
.faq p { padding: 0 20px 18px; color: var(--ink-soft); font-size: 17px; }

/* подвал */
.foot { padding: 30px 0 calc(30px + env(safe-area-inset-bottom, 0px)); background: var(--ink); color: #cfd7dc; font-size: 15px; }
.foot__in { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 28px; }
.foot__brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font: 700 22px/1 var(--font-brand); }
.foot__brand img { border-radius: 9px; }
.foot nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.foot a { color: #ffd2b8; font-weight: 800; }
.foot p { margin-left: auto; }
@media (max-width: 700px) { .foot p { margin-left: 0; } }

.up { position: fixed; right: calc(16px + env(safe-area-inset-right, 0px)); bottom: calc(18px + env(safe-area-inset-bottom, 0px)); z-index: 30; display: grid; place-items: center; width: 52px; height: 52px; border-radius: 14px; color: var(--ink); background: var(--card); border: 2px solid var(--ink); box-shadow: 0 4px 0 var(--ink); opacity: 0; visibility: hidden; transform: translateY(10px); transition: opacity .2s ease, transform .2s ease, visibility .2s; }
.up svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
.up.is-on { opacity: 1; visibility: visible; transform: none; }

/* политика и 404 */
.page { background: var(--paper); }
.policy { width: min(860px, 100%); margin: 0 auto; padding: 32px var(--gutter) 64px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; }
.policy__card { padding: clamp(20px, 4vw, 40px); border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow); }
.policy h1, .policy .policy__title { margin: 0; font: 800 clamp(24px, 4vw, 34px)/1.2 var(--font-display); overflow-wrap: anywhere; hyphens: auto; }
.policy h2 { margin: 24px 0 6px; font: 800 19px/1.3 var(--font-display); overflow-wrap: anywhere; }
.policy p, .policy li { font-size: 17px; overflow-wrap: anywhere; }
.policy p + p { margin-top: 10px; }
.policy ul { margin: 0; padding-left: 22px; }
.policy .btn { margin: 14px 10px 0 0; }
.muted { margin-top: 8px !important; color: var(--ink-soft) !important; font-size: 15px !important; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .up { transition: none; }
}