:root {
    --deep: #071219;
    --navy: #0b1d26;
    --panel: rgba(255, 255, 255, .05);
    --line: rgba(65, 225, 232, .22);
    --ink: #ffffff;
    --muted: #9dc0c8;
    --accent: #41e1e8;
    --cta: #eb8b11;
    --cta-hot: #ffa62b;
    --font-display: "Days One", "Exo 2", system-ui, sans-serif;
    --font-body: "Roboto", system-ui, -apple-system, Arial, sans-serif;
  }
  html[lang="pl"] { --font-display: "Exo 2", system-ui, sans-serif; --font-body: "Manrope", system-ui, Arial, sans-serif; }

  * { box-sizing: border-box; }
  html { background: var(--deep); overflow-x: hidden; }
  body {
    margin: 0;
    color: var(--ink);
    font: 400 16px/1.6 var(--font-body);
    background:
      radial-gradient(1100px 620px at 78% 4%, rgba(65, 225, 232, .13), transparent 62%),
      radial-gradient(900px 520px at 8% 46%, rgba(235, 139, 17, .09), transparent 58%),
      linear-gradient(180deg, #0c2230 0%, var(--navy) 30%, var(--deep) 100%);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }
  .stars { position: fixed; inset: 0; pointer-events: none; opacity: .7; }
  a { color: inherit; }
  :focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
  img { max-width: 100%; }


  .wrap { max-width: 1160px; margin: 0 auto; padding-inline: 20px; }

  header {
    display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 18px;
  }
  .logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
  .logo img { width: 52px; height: auto; display: block; }
  .logo span { font: 400 1.05rem var(--font-display); }
  .head-right { display: flex; align-items: center; gap: 14px; }
  .lang-picker { position: relative; }
  .lang-btn {
    display: flex; align-items: center; gap: 7px; padding: 8px 13px;
    background: var(--panel); border: 1px solid var(--line); border-radius: 999px;
    color: var(--ink); font: 500 .86rem var(--font-body); cursor: pointer;
  }
  .lang-btn:hover { border-color: var(--accent); }
  .lang-btn .chev { transition: transform .15s; }
  .lang-btn[aria-expanded="true"] .chev { transform: rotate(180deg); }
  .lang-menu {
    position: absolute; right: 0; top: calc(100% + 8px); z-index: 30; min-width: 190px;
    margin: 0; padding: 6px; list-style: none;
    background: #0e2a36; border: 1px solid var(--line); border-radius: 14px;
    box-shadow: 0 18px 44px rgba(0, 0, 0, .55);
  }
  .lang-menu a {
    display: flex; align-items: baseline; gap: 10px; padding: 11px 12px;
    border-radius: 9px; color: var(--ink); text-decoration: none;
    font: 400 .95rem var(--font-body);
  }
  .lang-menu a b { color: var(--muted); font: 500 .78rem var(--font-body); letter-spacing: .05em; min-width: 22px; }
  .lang-menu a:hover { background: rgba(65, 225, 232, .12); }
  .lang-menu a[aria-selected="true"] { background: rgba(65, 225, 232, .16); }
  .lang-menu a[aria-selected="true"] b { color: var(--accent); }
  /* Точка у текущего языка: цвет фона на тёмном читается плохо, нужна явная метка. */
  .lang-menu a[aria-selected="true"]::after {
    content: ""; margin-left: auto; align-self: center;
    width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
  }
  .login { color: var(--muted); font-size: .92rem; text-decoration: none; white-space: nowrap; }
  .login:hover { color: var(--accent); }

  /* Первый экран */
  .hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 48px; align-items: center; padding-block: 24px 60px; }
  .eyebrow { margin: 0 0 16px; color: var(--accent); font-size: .88rem; }
  /* Хлебные крошки страниц категорий: те же цвета, что у остального текста */
  .crumbs { margin: 0 0 12px; color: var(--muted); font-size: .84rem; }
  .crumbs a { color: var(--accent); text-decoration: none; }
  .crumbs a:hover { text-decoration: underline; }
  .crumbs span { opacity: .55; }
  h1 { margin: 0 0 18px; font: 400 clamp(2.05rem, 1.1rem + 3.4vw, 3.4rem)/1.12 var(--font-display); text-wrap: balance; }
  html[lang="pl"] h1 { font-weight: 800; letter-spacing: -.01em; }
  .sub { margin: 0 0 26px; max-width: 46ch; font-size: 1.08rem; color: #d7e9ec; }
  .facts { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 28px; padding: 0; list-style: none; }
  .facts li {
    display: flex; gap: 8px; align-items: center; color: #d7e9ec; font-size: .94rem;
    padding: 8px 13px; background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(65, 225, 232, .18); border-radius: 999px;
  }
  .facts svg { flex: none; }

  .actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 18px; }
  .cta {
    display: inline-flex; align-items: baseline; gap: 10px; padding: 16px 26px;
    background: var(--cta); color: #17120a; border: 0; border-radius: 12px;
    font: 700 1.06rem var(--font-body); text-decoration: none; cursor: pointer;
    box-shadow: 0 12px 30px rgba(235, 139, 17, .28); transition: background-color .15s, transform .15s;
  }
  .cta:hover { background: var(--cta-hot); transform: translateY(-1px); }
  .cta .old { font-weight: 500; font-size: .92rem; text-decoration: line-through; opacity: .62; }
  .ghost { color: var(--accent); font-size: 1rem; text-decoration: none; border-bottom: 1px solid rgba(65, 225, 232, .4); padding-bottom: 2px; }
  .cta-note { margin: 14px 0 0; color: var(--muted); font-size: .92rem; }
  .trust { display: flex; flex-wrap: wrap; gap: 10px 22px; margin: 32px 0 0; padding: 18px 0 0; border-top: 1px solid rgba(255, 255, 255, .08); }
  .trust li { list-style: none; color: #b9d5da; font-size: .92rem; display: flex; gap: 8px; align-items: baseline; }
  .trust li::before { content: ""; flex: none; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }

  /* Снимок в рамке телефона */
  .shot { position: relative; display: grid; justify-items: center; margin: 0; }
  .orbit { position: absolute; width: 130%; top: 8%; left: -15%; z-index: 0; opacity: .45; }
  .phone {
    position: relative; z-index: 1; width: min(290px, 74vw); padding: 10px; border-radius: 38px;
    background: linear-gradient(160deg, #1b3b47, #0a1a22);
    box-shadow: 0 30px 70px rgba(0, 0, 0, .55), 0 0 0 1px rgba(65, 225, 232, .18);
  }
  .phone picture { display: block; }
  .phone img { display: block; width: 100%; height: auto; border-radius: 28px; }
  .shot figcaption { position: relative; z-index: 1; margin-top: 18px; max-width: 32ch; text-align: center; color: var(--muted); font-size: .9rem; }

  /* Обычные разделы */
  section { position: relative; padding-block: 56px; }
  section::before {
    content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, rgba(65, 225, 232, .28), rgba(255, 255, 255, .05) 60%, transparent);
  }
  h2 { position: relative; margin: 0 0 14px; font: 400 clamp(1.5rem, 1.1rem + 1.6vw, 2.2rem)/1.2 var(--font-display); text-wrap: balance; }
  h2::before {
    content: ""; display: block; width: 34px; height: 3px; margin-bottom: 14px;
    border-radius: 2px; background: linear-gradient(90deg, var(--accent), rgba(65, 225, 232, 0));
  }
  html[lang="pl"] h2 { font-weight: 800; }
  .lead { margin: 0 0 8px; max-width: 58ch; font-size: 1.06rem; color: #d7e9ec; }
  .split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .8fr); gap: 46px; align-items: center; }
  .split.flip > .shot { order: -1; }

  .cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 28px; }
  .card { padding: 20px 22px; background: var(--panel); border: 1px solid rgba(255, 255, 255, .08); border-radius: 14px; }
  .card h3 { display: flex; align-items: center; gap: 9px; margin: 0 0 8px; font-size: 1.06rem; }
  .card p { margin: 0; color: #c7dde2; font-size: .96rem; }
  .card .mark { flex: none; display: inline-flex; }

  .rows { display: grid; gap: 14px; margin-top: 26px; padding: 0; list-style: none; }
  .rows li { display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 14px; align-items: start; }
  .rows b { display: block; }
  .rows span { color: #c7dde2; }
  .rows .n {
    display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%;
    border: 1.5px solid var(--accent); color: var(--accent); font: 500 .85rem var(--font-body);
  }

  /* Опыт с 10 словами */
  /* Люди: фото, имя, роль — ряд карточек без рамок */
  .people { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 30px 22px; margin-top: 32px; }
  .person { text-align: center; }
  .person img, .person .ph {
    display: block; width: 100%; max-width: 200px; aspect-ratio: 1; height: auto;
    margin: 0 auto 14px; border-radius: 20px; object-fit: cover;
    box-shadow: 0 14px 34px rgba(0, 0, 0, .4);
  }
  .person .ph {
    display: grid; place-items: center; padding: 10px;
    border: 1.5px dashed rgba(235, 139, 17, .5); background: rgba(235, 139, 17, .05);
    color: #ffd8a1; font-size: .72rem; line-height: 1.3; box-shadow: none;
  }
  .person h3 { margin: 0 0 4px; font-size: 1.02rem; }
  .person h3 .li {
    display: inline-flex; align-items: center; gap: 7px;
    color: var(--ink); text-decoration: none; transition: color .15s;
  }
  .person h3 .li .li-i { flex: none; color: var(--muted); transition: color .15s, transform .15s; }
  .person h3 .li:hover { color: var(--accent); }
  .person h3 .li:hover .li-i { color: var(--accent); transform: translateY(-1px); }
  .person:hover img { box-shadow: 0 16px 38px rgba(0, 0, 0, .5), 0 0 0 1px rgba(65, 225, 232, .35); }
  .person .role { margin: 0; color: var(--accent); font-size: .92rem; }

  .demo { margin-top: 28px; padding: 22px; background: rgba(65, 225, 232, .06); border: 1px solid var(--line); border-radius: 16px; }
  .demo h3 { margin: 0 0 6px; font-size: 1.06rem; }
  .demo p { margin: 0; color: #c7dde2; font-size: .95rem; }
  .demo-words { display: none; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
  .demo-words.on { display: flex; }
  .demo-words span { padding: 7px 13px; background: rgba(255, 255, 255, .07); border-radius: 9px; font-size: 1rem; }
  .demo-bar { height: 4px; margin-top: 14px; background: rgba(255, 255, 255, .12); border-radius: 4px; overflow: hidden; display: none; }
  .demo-bar.on { display: block; }
  .demo-bar i { display: block; height: 100%; background: var(--accent); width: 100%; }
  .demo-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 16px; }
  .btn-line {
    appearance: none; padding: 11px 20px; background: transparent; color: var(--accent);
    border: 1px solid var(--accent); border-radius: 10px; font: 500 .95rem var(--font-body); cursor: pointer;
  }
  .btn-line:hover { background: rgba(65, 225, 232, .12); }
  .demo-result { margin-top: 14px; color: #d7e9ec; display: none; }
  .demo-result.on { display: block; }

  /* Кнопка снизу на телефоне */
  .sticky {
    position: fixed; left: 0; right: 0; bottom: 0; display: none; gap: 12px;
    align-items: center; justify-content: space-between;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
    background: rgba(7, 18, 25, .93); border-top: 1px solid var(--line); backdrop-filter: blur(8px); z-index: 20;
    /* Панель выезжает только тогда, когда кнопка первого экрана уехала вверх */
    transform: translateY(120%); transition: transform .2s ease;
  }
  .sticky.on { transform: none; }
  .sticky .cta { padding: 13px 20px; font-size: 1rem; box-shadow: none; }
  .sticky .price { color: var(--muted); font-size: .86rem; line-height: 1.35; }
  .sticky .price b { display: block; color: var(--ink); font-size: 1rem; }
  .sticky .price s { opacity: .6; font-size: .82rem; margin-left: 4px; }


  /* Видео */
  .videos { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 26px; }
  .video {
    display: grid; gap: 10px; width: 100%; text-align: left; cursor: pointer;
    appearance: none; margin: 0; padding: 0; border: 0; background: transparent;
    color: inherit; font: inherit;
  }
  .video .thumb {
    position: relative; display: block; aspect-ratio: 16 / 9; overflow: hidden;
    border-radius: 14px; border: 1px solid rgba(255, 255, 255, .1); background: #0a1a22;
  }
  .video .thumb picture { display: block; width: 100%; height: 100%; }
  .video .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
  .video .play {
    position: absolute; inset: 0; display: grid; place-items: center;
  }
  .video .play::before {
    content: ""; width: 54px; height: 54px; border-radius: 50%;
    background: rgba(7, 18, 25, .72); border: 1.5px solid rgba(255, 255, 255, .55);
    box-shadow: 0 8px 24px rgba(0, 0, 0, .4);
  }
  .video .play::after {
    content: ""; position: absolute; width: 0; height: 0;
    border-left: 15px solid #fff; border-top: 9px solid transparent; border-bottom: 9px solid transparent;
    margin-left: 5px;
  }
  .video .thumb iframe {
    position: absolute; inset: 0; width: 100%; height: 100%; border: 0; display: block;
  }
  .video:hover .thumb { border-color: var(--accent); }
  .video.playing .thumb { border-color: var(--accent); }
  .video.playing .play { display: none; }
  .video.playing { cursor: default; }
  .video .vtitle { font-size: .98rem; line-height: 1.4; }
  .video .vtag { font: 500 .7rem var(--font-mono, var(--font-body)); color: var(--muted); letter-spacing: .06em; }

  /* Когнитивные тесты */
  .psy-cta {
    display: inline-flex; align-items: center; gap: 10px; margin-top: 24px; padding: 14px 22px;
    background: transparent; color: var(--accent); border: 1.5px solid var(--accent);
    border-radius: 12px; font: 500 1rem var(--font-body); text-decoration: none;
  }
  .psy-cta:hover { background: rgba(65, 225, 232, .12); }
  .psy-note { margin: 12px 0 0; color: var(--muted); font-size: .88rem; }

  /* Финальный блок по центру: у .lead ограничена ширина, поэтому его коробку
     тоже нужно центрировать — одного text-align мало. Полоска под h2 при
     центрированном заголовке смотрится косо, поэтому в .end её центрируем. */
  .end { text-align: center; }
  .end .actions { justify-content: center; }
  .end .lead { margin-inline: auto; }
  .end h2::before { margin-inline: auto; }

  /* Галерея кадров: занятия, олимпиады, тренеры */
  .shots { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 24px; }
  .shots figure { margin: 0; }
  .shots img {
    display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover;
    border-radius: 14px; border: 1px solid rgba(255, 255, 255, .08);
  }
  .shots figcaption { margin-top: 8px; color: var(--muted); font-size: .86rem; }

  /* Заглушки под материалы владельца */
  .slots { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; margin-top: 18px; }
  .slot {
    display: grid; align-content: center; gap: 6px; min-height: 130px; padding: 18px 20px;
    border: 1.5px dashed rgba(235, 139, 17, .5); border-radius: 14px; background: rgba(235, 139, 17, .05);
    color: #ffd8a1; font-size: .95rem;
  }
  .slot em { font-style: normal; font-size: .78rem; color: rgba(255, 216, 161, .7); letter-spacing: .03em; }

  /* Цена */
  .plan { max-width: 520px; padding: 26px 28px; background: var(--panel); border: 1px solid var(--line); border-radius: 18px; }
  .plan .sum { display: flex; align-items: baseline; gap: 12px; margin-bottom: 4px; }
  .plan .sum b { font: 400 2.4rem var(--font-display); }
  html[lang="pl"] .plan .sum b { font-weight: 800; }
  .plan .sum s { color: var(--muted); font-size: 1.1rem; }
  .plan .sum-note { margin: 0 0 18px; color: var(--muted); font-size: .92rem; }
  .plan ul { margin: 0 0 22px; padding: 0; list-style: none; display: grid; gap: 9px; }
  .plan li { display: flex; gap: 10px; align-items: flex-start; color: #c7dde2; font-size: .96rem; }
  .plan svg { flex: none; margin-top: 5px; }

  /* Вопросы и ответы */
  .faq { display: grid; gap: 10px; margin-top: 24px; max-width: 760px; }
  .faq details { background: var(--panel); border: 1px solid rgba(255, 255, 255, .08); border-radius: 12px; }
  .faq summary {
    cursor: pointer; padding: 15px 18px; font-weight: 500; list-style: none;
    display: flex; justify-content: space-between; gap: 14px; align-items: center;
  }
  .faq summary::-webkit-details-marker { display: none; }
  .faq summary::after { content: "+"; color: var(--accent); font-size: 1.3rem; line-height: 1; }
  .faq details[open] summary::after { content: "–"; }
  .faq p { margin: 0; padding: 0 18px 16px; color: #c7dde2; font-size: .96rem; }

  /* Форма */
  .form-wrap { max-width: 520px; padding: 26px 28px; background: var(--panel); border: 1px solid var(--line); border-radius: 18px; }
  .field { display: grid; gap: 6px; margin-bottom: 14px; }
  .field label { font-size: .88rem; color: var(--muted); }
  .field input {
    padding: 13px 15px; background: rgba(255, 255, 255, .06); color: var(--ink);
    border: 1px solid rgba(255, 255, 255, .16); border-radius: 10px; font: 400 1rem var(--font-body);
  }
  .field input::placeholder { color: rgba(157, 192, 200, .6); }
  .consent { display: flex; gap: 10px; align-items: flex-start; margin: 4px 0 18px; font-size: .88rem; color: #c7dde2; }
  .consent input { margin-top: 2px; width: 20px; height: 20px; accent-color: var(--accent); flex: none; }
  .form-msg { margin: 14px 0 0; color: var(--accent); font-size: .92rem; display: none; }
  .form-msg.on { display: block; }

  /* Блок «коротко»: два-три предложения, которыми страница отвечает целиком.
     Его же цитируют нейросети, поэтому он стоит сразу под первым экраном. */
  .tldr { padding-block: 34px 10px; }
  .tldr::before { display: none; }
  .tldr h2 {
    margin: 0 0 10px; font: 500 .8rem/1.2 var(--font-body);
    letter-spacing: .14em; text-transform: uppercase; color: var(--accent);
  }
  .tldr p {
    margin: 0; max-width: 72ch; padding-left: 16px;
    border-left: 2px solid var(--line); font-size: 1.08rem; color: #e4f1f3;
  }

  /* Оглавление в подвале: якоря на разделы страницы. */
  .page-nav { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: .86rem; }
  .page-nav a { text-decoration: none; }
  .page-nav a:hover { color: var(--accent); }
  .updated { margin: 12px 0 0; font-size: .8rem; color: rgba(157, 192, 200, .75); }

  footer {
    padding-block: 40px 60px; border-top: 1px solid rgba(255, 255, 255, .08);
    display: grid; gap: 18px; color: var(--muted); font-size: .9rem;
  }
  footer .cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 22px; }
  footer a { color: var(--muted); }
  footer a:hover { color: var(--accent); }
  footer .stack { display: grid; gap: 5px; margin: 0; }
  /* Документы тоже в столбик: это список, а не перечисление через запятую */
  footer .docs { display: grid; gap: 7px; }
  footer .pending { color: rgba(255, 216, 161, .8); font-size: .8rem; }

  @media (max-width: 900px) {
    .hero, .split { grid-template-columns: 1fr; gap: 34px; }
    .split.flip > .shot { order: 0; }
    .split { gap: 22px; }
    .orbit { display: none; }
    .shot { position: relative; }
    .shot::before {
      content: ""; position: absolute; z-index: 0; top: 4%; left: 50%; transform: translateX(-50%);
      width: 108%; height: 78%; border-radius: 50%;
      background: radial-gradient(ellipse at center, rgba(65, 225, 232, .14), transparent 68%);
    }
    .sticky { display: flex; }
    .login { display: none; }
    #form { padding-bottom: 20px; }
  }

  @media (max-width: 640px) {
    .wrap { padding-inline: 16px; }
    header { padding-block: 12px; }
    .logo span { display: none; }
    .logo img { width: 44px; }
    .hero { padding-block: 4px 26px; gap: 22px; }
    .eyebrow { margin-bottom: 10px; font-size: .8rem; }
    h1 { font-size: 1.74rem; line-height: 1.16; margin-bottom: 14px; }
    .sub { font-size: 1rem; margin-bottom: 20px; }
    .facts { gap: 8px; margin-bottom: 22px; }
    .facts li { font-size: .95rem; }
    .actions { gap: 12px; }
    .cta { width: 100%; justify-content: center; padding: 15px 20px; }
    .cta-note { margin-top: 10px; font-size: .86rem; }
    .trust { margin-top: 20px; padding-top: 14px; gap: 7px 16px; font-size: .86rem; }
    .phone { width: min(212px, 58vw); padding: 7px; border-radius: 28px; }
    .phone img { border-radius: 22px; }
    .shot figcaption { margin-top: 14px; font-size: .86rem; }
    section { padding-block: 32px; }
    .tldr { padding-block: 22px 6px; }
    .tldr p { font-size: 1rem; }
    h2 { font-size: 1.44rem; }
    h2::before { width: 28px; margin-bottom: 11px; }
    .lead { font-size: 1rem; }
    .cards, .videos, .slots { gap: 10px; margin-top: 18px; }
    .card, .slot { padding: 15px 17px; }
    .people { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 22px 16px; }
    .person img, .person .ph { max-width: 150px; border-radius: 16px; }
    .slot { min-height: 96px; }
    .demo { margin-top: 20px; padding: 18px; }
    .plan, .form-wrap { padding: 20px 18px; }
    .plan .sum b { font-size: 2rem; }
    .rows { margin-top: 18px; gap: 12px; }
    .faq summary { padding: 13px 15px; }
    .faq p { padding: 0 15px 14px; }
    footer { padding-block: 28px 104px; }
    .sticky { flex-direction: column; align-items: stretch; gap: 7px; padding-top: 10px; }
    .sticky .price { text-align: center; font-size: .8rem; }
    .sticky .price b { display: inline; font-size: .95rem; margin-right: 6px; }
    .sticky .cta { width: 100%; }
  }
  @media (prefers-reduced-motion: reduce) { .sticky { transition: none; } }
  @media (prefers-reduced-motion: reduce) { .cta { transition: none; } }