/* Сайт MotionAI. Цвета и шрифты — как в мини-студии (studio/client/client.css): тёмный фон, оранжевый акцент. */
:root {
  --bg: #0b0c10;
  --bg-2: #101217;
  --panel: #16181e;
  --panel-2: #1b1e25;
  --text: #f2f3f6;
  --muted: #a3a8b5;
  --dim: #7a8090;
  --acc-1: #ffb35c;
  --acc-2: #ff8a2a;
  --acc-3: #f07a18;
  --acc-ink: #1d0f02;
  --acc-grad: linear-gradient(180deg, var(--acc-1) 0%, var(--acc-2) 55%, var(--acc-3) 100%);
  --line: rgba(255, 138, 42, 0.36);
  --line-soft: rgba(255, 255, 255, 0.08);
  --r: 14px;
  --r-lg: 22px;
  --wrap: 1180px;
  --gut: 32px;
  --display: 'Unbounded', 'Arial Black', sans-serif;
  --sans: 'Onest', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
img, video { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 600; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--acc-1); outline-offset: 3px; border-radius: 6px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gut); }

/* Кнопки */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 52px; padding: 0 26px; border-radius: 999px;
  font: 600 16px/1 var(--sans); text-decoration: none; white-space: nowrap;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background-color .2s ease;
}
.btn--acc {
  background: var(--acc-grad); color: var(--acc-ink);
  box-shadow: 0 8px 28px -10px rgba(255, 138, 42, .55), inset 0 1px 0 rgba(255, 255, 255, .35);
}
.btn--acc:hover { transform: translateY(-1px); box-shadow: 0 12px 32px -10px rgba(255, 138, 42, .7), inset 0 1px 0 rgba(255,255,255,.35); }
.btn--line { border-color: var(--line); color: var(--acc-1); background: rgba(255, 138, 42, .04); }
.btn--line:hover { background: rgba(255, 138, 42, .1); }
.btn--sm { height: 42px; padding: 0 20px; font-size: 15px; }
.linkbtn {
  background: none; border: 0; padding: 4px 0; cursor: pointer;
  color: var(--acc-2); font: 500 15px/1.4 var(--sans);
  text-decoration: underline; text-underline-offset: 4px; text-decoration-color: var(--line);
}

/* Шапка */
.top {
  position: sticky; top: 0; z-index: 20;
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease;
}
.top.is-scrolled { border-bottom-color: var(--line-soft); }
/* размытие фона — отдельным слоем: иначе меню телефона (position: fixed) оказалось бы заперто внутри шапки */
.top::before { content: ''; position: absolute; inset: 0; z-index: -1; background: rgba(13, 12, 10, .82);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.nav-open .dock { display: none !important; }
.top__in { display: flex; align-items: center; gap: 32px; height: 72px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font: 600 19px/1 var(--display); letter-spacing: -.01em; }
.logo__mark { width: 52px; height: 52px; margin: -6px -2px -6px -8px; filter: drop-shadow(0 0 10px rgba(255, 138, 42, .25)); }
.foot__logo { display: inline-block; margin: -16px 0 0 -14px; }
.foot__logo img { width: 140px; height: 140px; }

/* Первый экран */
.hero { padding: 56px 0 24px; overflow: hidden; }
.hero__in { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: 56px; align-items: center; }
.hero h1 {
  font-family: var(--display);
  font-size: clamp(32px, 4.6vw, 62px);
  line-height: 1.08; letter-spacing: -.025em; font-weight: 600;
  max-width: 15ch;
}
.hero__lead { margin-top: 24px; color: var(--muted); font-size: 19px; max-width: 34em; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero__note { margin-top: 16px; color: var(--dim); font-size: 15px; }
.hero__phone { justify-self: center; position: relative; }
.hero__phone::before {
  content: ""; position: absolute; inset: -18% -40%; z-index: -1;
  background: radial-gradient(closest-side, rgba(255, 138, 42, .22), transparent 70%);
}
.phone {
  width: min(300px, 70vw); aspect-ratio: 9 / 16;
  border-radius: 34px; padding: 8px;
  background: linear-gradient(160deg, #23262f, #14161b 40%, #0e0f13);
  border: 1px solid var(--line);
  box-shadow: 0 40px 80px -30px rgba(0,0,0,.9), 0 0 0 6px rgba(255, 138, 42,.05);
}
.phone video { width: 100%; height: 100%; object-fit: cover; border-radius: 27px; background: #000; }
.hero__caption { margin-top: 14px; text-align: center; color: var(--dim); font-size: 14px; }

/* Монтажная дорожка — главный образ страницы */
.cut {
  margin: 56px 0 0; padding: 24px 28px 20px;
  background: var(--panel); border: 1px solid var(--line-soft); border-radius: var(--r-lg);
}
.cut__head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.cut__title { font: 600 17px/1.3 var(--display); letter-spacing: -.01em; }
.cut__len { display: grid; justify-items: end; font-variant-numeric: tabular-nums; color: var(--muted); font-size: 15px; }
.cut__len span { grid-area: 1 / 1; white-space: nowrap; }
.cut__to { color: var(--acc-1); opacity: 0; transition: opacity .4s ease .9s; }
.cut__from { transition: opacity .3s ease; }
.cut.is-cut .cut__from { opacity: 0; }
.cut.is-cut .cut__to { opacity: 1; }

.cut__track { display: flex; gap: 3px; height: 84px; margin-top: 20px; }
.seg {
  position: relative; overflow: hidden; min-width: 0;
  border-radius: 8px;
  transition: flex-grow .9s cubic-bezier(.6, 0, .2, 1), opacity .5s ease, margin .9s cubic-bezier(.6, 0, .2, 1);
}
.seg--keep { background: var(--panel-2); border: 1px solid rgba(255, 138, 42, .22); display: flex; align-items: center; gap: 2px; padding: 0 6px; }
.seg--keep i { flex: 1 1 0; min-width: 1px; max-width: 4px; border-radius: 2px; background: var(--acc-grad); opacity: .85; }
.seg--drop {
  border: 1px dashed rgba(240, 106, 106, .45);
  background: repeating-linear-gradient(135deg, rgba(240,106,106,.10) 0 6px, transparent 6px 12px);
}
.seg--drop span {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  font-size: 12px; color: #e9a59a; white-space: nowrap;
}
.cut.is-cut .seg--drop { flex-grow: 0 !important; opacity: 0; margin: 0 -1.5px; border-width: 0; }

.cut__foot { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 16px; }
.cut__legend { color: var(--dim); font-size: 14px; display: flex; flex-wrap: wrap; gap: 6px 20px; }
.cut__legend > span { display: inline-flex; align-items: center; gap: 8px; }
.sw { display: inline-block; flex: none; width: 14px; height: 10px; border-radius: 3px; }
.sw--keep { background: var(--acc-grad); }
.sw--drop { border: 1px dashed rgba(240,106,106,.6); background: repeating-linear-gradient(135deg, rgba(240,106,106,.2) 0 3px, transparent 3px 6px); }

/* Секции */
.sec { padding: 104px 0 0; }
.sec__title { font: 600 clamp(26px, 3.2vw, 40px)/1.15 var(--display); letter-spacing: -.02em; }
.sec__lead { margin-top: 14px; color: var(--muted); max-width: 36em; }
.sec__row { display: flex; justify-content: space-between; align-items: end; gap: 20px; flex-wrap: wrap; }

/* Шаги — это действительно последовательность, поэтому номера */
.steps { list-style: none; counter-reset: s; margin: 40px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); }
.steps li { counter-increment: s; padding: 28px 28px 0 0; position: relative; }
.steps li + li { padding-left: 28px; border-left: 1px solid var(--line-soft); }
.steps li::before {
  content: counter(s);
  display: block; margin-bottom: 18px;
  font: 600 44px/1 var(--display);
  background: var(--acc-grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.steps h3 { font-size: 20px; line-height: 1.3; }
.steps p { margin-top: 10px; color: var(--muted); font-size: 16px; }

.does { margin-top: 72px; display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 48px; padding: 36px; border-radius: var(--r-lg); background: var(--panel); border: 1px solid var(--line-soft); }
.does h3 { font: 600 22px/1.25 var(--display); letter-spacing: -.01em; }
.does__intro p { margin-top: 14px; color: var(--muted); }
.does__list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 28px; align-content: center; }
.does__list li { position: relative; padding-left: 26px; font-size: 16px; line-height: 1.45; }
.does__list li::before { content: ""; position: absolute; left: 0; top: .45em; width: 12px; height: 7px; border-left: 2px solid var(--acc-2); border-bottom: 2px solid var(--acc-2); transform: rotate(-45deg); }

/* Стили */
.tabs { display: inline-flex; padding: 4px; border-radius: 999px; background: var(--panel); border: 1px solid var(--line-soft); }
.tabs button {
  border: 0; background: none; color: var(--muted); cursor: pointer;
  font: 500 15px/1 var(--sans); padding: 11px 18px; border-radius: 999px;
  transition: background-color .2s, color .2s;
}
.tabs button[aria-selected="true"] { background: var(--acc-grad); color: var(--acc-ink); }
.rail {
  --rail-pad: max(var(--gut), calc((100% - var(--wrap)) / 2 + var(--gut)));
  display: flex; gap: 18px; overflow-x: auto; scroll-snap-type: x mandatory;
  padding: 32px var(--rail-pad) 12px;
  scroll-padding-inline: var(--rail-pad);
  scrollbar-width: thin; scrollbar-color: var(--acc-3) transparent;
}
.card { flex: 0 0 220px; scroll-snap-align: start; }
.card__media { aspect-ratio: 9 / 16; border-radius: var(--r); overflow: hidden; background: #000 center / cover no-repeat; border: 1px solid var(--line-soft); transition: border-color .2s; }
.card:hover .card__media { border-color: var(--line); }
.card__media video { width: 100%; height: 100%; object-fit: cover; }
.card h3 { margin-top: 14px; font-size: 17px; }
.card p { margin-top: 4px; color: var(--dim); font-size: 14px; line-height: 1.45; }

/* Без съёмки */
.more { margin-top: 36px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.more article { padding: 28px; border-radius: var(--r-lg); border: 1px solid var(--line-soft); background: linear-gradient(180deg, var(--panel), var(--bg-2)); }
.more h3 { font: 600 19px/1.3 var(--display); color: var(--acc-1); }
.more p { margin-top: 10px; color: var(--muted); font-size: 16px; }

/* Цены */
.price { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: start; }
.calc { margin-top: 32px; padding: 28px; border-radius: var(--r-lg); background: var(--panel); border: 1px solid var(--line); }
.calc__label { display: block; color: var(--muted); font-size: 16px; }
.calc__label output { color: var(--text); font-weight: 600; }
input[type="range"] { width: 100%; margin: 18px 0 8px; accent-color: var(--acc-2); height: 28px; }
.calc__res { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.calc__sum { font: 600 clamp(34px, 4vw, 48px)/1.1 var(--display); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.calc__cr { color: var(--acc-1); font-size: 17px; font-variant-numeric: tabular-nums; }
.calc__note { margin-top: 16px; color: var(--dim); font-size: 14px; }
.price__packs h3 { font: 600 20px/1.3 var(--display); margin-top: 6px; }
.packs { list-style: none; padding: 0; margin: 22px 0 0; border-top: 1px solid var(--line-soft); }
.packs li { display: grid; grid-template-columns: 92px 1fr auto; gap: 16px; align-items: baseline; padding: 16px 4px; border-bottom: 1px solid var(--line-soft); }
.packs__n { font: 600 17px/1 var(--display); }
.packs__t { color: var(--muted); font-size: 15px; }
.packs__p { font-variant-numeric: tabular-nums; }
.packs__hit { background: linear-gradient(90deg, rgba(255, 138, 42,.12), transparent); border-radius: 10px; }
.packs__hit .packs__n, .packs__hit .packs__t { color: var(--acc-1); }

/* Где заказать */
.ways { margin-top: 36px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.way { display: flex; flex-direction: column; gap: 12px; padding: 28px; border-radius: var(--r-lg); background: var(--panel); border: 1px solid var(--line-soft); }
.way h3 { font-size: 20px; }
.way p { color: var(--muted); font-size: 16px; flex: 1; }
.way .btn { align-self: flex-start; }
.way--soon { background: transparent; border-style: dashed; border-color: var(--line); }
.soon { align-self: flex-start; padding: 7px 14px; border-radius: 999px; font-size: 14px; color: var(--acc-1); background: rgba(255, 138, 42,.1); }

/* Вопросы */
.faq { display: grid; grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr); gap: 56px; }
.faq__list { border-top: 1px solid var(--line-soft); }
details { border-bottom: 1px solid var(--line-soft); }
summary {
  list-style: none; cursor: pointer; padding: 22px 40px 22px 0; position: relative;
  font-size: 18px; font-weight: 500;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: ""; position: absolute; right: 8px; top: 50%; width: 10px; height: 10px; margin-top: -7px;
  border-right: 2px solid var(--acc-2); border-bottom: 2px solid var(--acc-2); transform: rotate(45deg);
  transition: transform .2s ease;
}
details[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
details p { padding: 0 40px 22px 0; color: var(--muted); }

/* Подвал */
.foot { margin-top: 120px; padding: 48px 0 56px; background: #08090c; border-top: 1px solid var(--line-soft); }
.foot__in { display: grid; grid-template-columns: 1fr 1.4fr 1fr; gap: 32px; }
.foot__about { margin-top: 10px; color: var(--dim); font-size: 14px; }
.foot__nav { display: flex; flex-wrap: wrap; gap: 10px 24px; align-content: start; }
.foot__nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
.foot__nav a:hover { color: var(--text); }
.foot__tg { color: var(--acc-1); font: 600 17px/1.2 var(--display); text-decoration: none; }

/* Кнопка внизу экрана на телефоне */
.dock { display: none; }

/* Планшет и телефон */
@media (max-width: 900px) {
  :root { --gut: 20px; }
  .top__in { height: 60px; }
  .logo__mark { width: 44px; height: 44px; }
  .hero { padding-top: 28px; }
  .hero__in { grid-template-columns: 1fr; gap: 36px; }
  .hero h1 { font-size: clamp(28px, 8vw, 40px); }
  .hero__lead { font-size: 16px; margin-top: 18px; }
  .hero__actions { margin-top: 24px; gap: 10px; }
  .hero__actions .btn { flex: 1 1 100%; }
  .hero__phone { order: 0; }
  .phone { width: min(240px, 62vw); }
  .cut { margin-top: 40px; padding: 18px 16px 16px; }
  .cut__len { justify-items: start; }
  .cut__track { height: 64px; gap: 2px; }
  .seg--keep { padding: 0 3px; gap: 1px; }
  .seg--drop span { display: none; }
  .sec { padding-top: 76px; }
  .steps { grid-template-columns: 1fr; border-top: 0; margin-top: 28px; }
  .steps li, .steps li + li { padding: 22px 0; border-left: 0; border-top: 1px solid var(--line-soft); display: grid; grid-template-columns: 52px 1fr; column-gap: 8px; }
  .steps li::before { grid-row: span 2; font-size: 34px; margin: 0; }
  .does { grid-template-columns: 1fr; gap: 24px; padding: 24px; margin-top: 40px; }
  .does__list { grid-template-columns: 1fr; }
  .card { flex-basis: 168px; }
  .tabs { display: flex; width: 100%; }
  .tabs button { flex: 1 1 auto; padding: 11px 8px; font-size: 14px; white-space: nowrap; }
  .more, .ways { grid-template-columns: 1fr; }
  .price, .faq { grid-template-columns: 1fr; gap: 40px; }
  .packs li { grid-template-columns: 76px 1fr auto; gap: 10px; }
  .foot { margin-top: 88px; padding-bottom: 110px; }
  .foot__in { grid-template-columns: 1fr; }
  .dock {
    display: block; position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
    padding: 12px 20px calc(12px + env(safe-area-inset-bottom));
    background: linear-gradient(180deg, rgba(13,12,10,0), rgba(13,12,10,.92) 35%);
    transform: translateY(110%); transition: transform .3s ease;
  }
  .dock.is-on { transform: none; }
  .dock .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; transition-delay: 0s !important; }
}
.foot__about a { color: var(--muted); text-decoration: none; }
.foot__about a:hover { color: var(--acc-1); }

/* ---------- Языки ---------- */
.langs { display: inline-flex; gap: 2px; padding: 3px; border: 1px solid var(--line-soft); border-radius: 999px; background: rgba(0,0,0,.25); }
.langs a { font: 600 12px/1 var(--sans); letter-spacing: .06em; padding: 7px 9px; border-radius: 999px; color: var(--muted); text-decoration: none; }
.langs a[aria-current] { background: rgba(255,138,42,.16); color: var(--acc-1); }

/* ---------- Соцсети: столбик слева (ПК) и строка в подвале ---------- */
.social-rail { position: fixed; left: 14px; top: 50%; transform: translateY(-50%); z-index: 15; display: flex; flex-direction: column; align-items: center; }
.socials { list-style: none; margin: 0; padding: 0; }
.socials--rail { display: flex; flex-direction: column; gap: 6px; padding: 12px 7px; border: 1px solid var(--line-soft); border-radius: 16px; background: rgba(11,12,16,.6); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.socials a { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; color: var(--muted); transition: color .2s, background-color .2s; }
.socials a:hover { color: var(--acc-1); background: rgba(255,138,42,.12); }
.social-rail__line { width: 1px; height: 56px; margin-top: 10px; background: linear-gradient(var(--line), transparent); }
.socials--row { display: flex; flex-wrap: wrap; gap: 4px; margin: 0 0 8px -8px; }
@media (max-width: 1320px) { .social-rail { display: none; } }

/* ---------- До / после ---------- */
.ba { margin-top: 32px; display: flex; align-items: center; justify-content: center; gap: clamp(16px, 4vw, 48px); }
.ba__item { margin: 0; position: relative; text-align: center; }
.ba__item figcaption { margin-top: 12px; color: var(--dim); font-size: 14px; }
.phone--sm { width: min(260px, 40vw); }
.ba__tag { position: absolute; z-index: 2; top: -12px; left: 50%; transform: translateX(-50%); padding: 6px 14px; border-radius: 999px; font: 600 13px/1 var(--sans); background: var(--raise, #23262f); border: 1px solid var(--line-soft); color: var(--text); }
.ba__tag--acc { background: var(--acc-grad); color: var(--acc-ink); border-color: transparent; }
.ba__arrow { color: var(--acc-2); flex: none; }
.ba__item--after .phone { border-color: var(--acc-2); box-shadow: 0 40px 80px -30px rgba(0,0,0,.9), 0 0 0 6px rgba(255,138,42,.08), 0 0 60px -10px rgba(255,138,42,.35); }
.ba__sound { margin-top: 18px; text-align: center; }

/* ---------- Запись на тест ---------- */
.offer { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; align-items: center; padding: clamp(24px, 4vw, 44px);
  border-radius: var(--r-lg); background: radial-gradient(120% 140% at 0% 0%, rgba(255,138,42,.16), transparent 55%), var(--panel); border: 1px solid var(--line); }
.offer__count { margin-top: 16px; color: var(--acc-1); font-weight: 600; }
.offer__full { margin-top: 12px; color: var(--muted); }
.offer__form { display: grid; gap: 14px; }
.fld { display: grid; gap: 6px; }
.fld span { color: var(--muted); font-size: 14px; }
.fld input { height: 50px; padding: 0 16px; border-radius: 14px; border: 1px solid var(--line-soft); background: var(--bg); color: var(--text); font: 400 16px var(--sans); }
.fld input:focus { outline: none; border-color: var(--acc-2); }
.fld input::placeholder { color: var(--dim); }
.agree { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--muted); }
.agree input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--acc-2); flex: none; }
.agree a { color: var(--muted); }
.offer__form .btn { width: 100%; }
.offer__msg { margin: 0; padding: 12px 14px; border-radius: 12px; font-size: 15px; }
.offer__msg.is-ok { background: rgba(95,208,138,.12); color: #9fe3b9; }
.offer__msg.is-bad { background: rgba(240,106,106,.12); color: #f4a3a3; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Отзывы ---------- */
.reviews { margin-top: 32px; display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; }
.review { margin: 0; padding: 26px; border-radius: var(--r-lg); background: var(--panel); border: 1px solid var(--line-soft); }
.review blockquote { margin: 0; font-size: 17px; line-height: 1.6; }
.review figcaption { margin-top: 16px; display: grid; gap: 2px; }
.review figcaption span { color: var(--dim); font-size: 14px; }

/* ---------- Валюта в калькуляторе ---------- */
.calc__top { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.cur select { height: 38px; padding: 0 30px 0 12px; border-radius: 10px; border: 1px solid var(--line-soft); background: var(--bg); color: var(--text); font: 600 14px var(--sans); }
.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

@media (max-width: 900px) {
  .offer { grid-template-columns: 1fr; gap: 24px; }
  .ba { gap: 10px; }
  .ba__arrow svg { width: 22px; height: 22px; }
  .phone--sm { width: min(160px, 40vw); border-radius: 24px; padding: 5px; }
  .phone--sm video { border-radius: 19px; }
}

/* ---------- Шапка как у Автоэкспорта: ПК — разделы, RU · EN, вход, кнопка; телефон — «RU ⌄» и меню ☰ ---------- */
.nav { margin-left: auto; display: flex; align-items: center; }
.nav__list { list-style: none; margin: 0; padding: 0; display: flex; gap: 28px; }
.nav__list a { color: var(--muted); text-decoration: none; font-size: 15px; transition: color .15s; }
.nav__list a:hover { color: var(--text); }
.nav__account, .nav__extra { display: none; }
.top__actions { display: flex; align-items: center; gap: 10px; }
.icon-btn { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; flex: none;
  border: 1px solid rgba(255,138,42,.45); background: rgba(255,138,42,.08); color: var(--acc-1); transition: background-color .15s, border-color .15s; }
.icon-btn:hover { background: rgba(255,138,42,.18); border-color: var(--acc-1); }
.lang-menu, .burger { display: none; }
.lang-menu { position: relative; border-bottom: 0; } /* общие правила вопросов (details/summary) сюда не тянем */
.lang-menu summary::after { content: none; display: none; }
.lang-menu summary { list-style: none; display: inline-flex; align-items: center; gap: 4px; height: 44px; padding: 0 12px 0 16px; cursor: pointer;
  border: 1px solid var(--line-soft); border-radius: 999px; background: rgba(0,0,0,.3); color: var(--acc-1); font: 600 14px/1 var(--sans); letter-spacing: .06em; }
.lang-menu summary::-webkit-details-marker { display: none; }
.lang-menu summary svg { width: 16px; height: 16px; transition: transform .2s; }
.lang-menu[open] summary svg { transform: rotate(180deg); }
.lang-menu__list { position: absolute; top: calc(100% + 6px); left: 50%; transform: translateX(-50%); z-index: 30; display: grid; gap: 4px; padding: 5px;
  border: 1px solid var(--line); border-radius: 14px; background: rgba(13,12,10,.97); box-shadow: 0 16px 40px rgba(0,0,0,.5); }
.lang-menu__list a { display: grid; place-items: center; width: 52px; height: 40px; border-radius: 10px; color: var(--text); text-decoration: none; font: 600 14px/1 var(--sans); letter-spacing: .06em; }
.lang-menu__list a:hover, .lang-menu__list a:focus-visible { background: rgba(255,138,42,.15); color: var(--acc-1); }
.burger { position: relative; width: 46px; height: 46px; padding: 0; border: 1px solid rgba(255,138,42,.45); border-radius: 14px; background: rgba(0,0,0,.3); cursor: pointer; }
.burger span { position: absolute; left: 13px; right: 13px; height: 2px; border-radius: 2px; background: var(--acc-1); transition: transform .25s, opacity .2s; }
.burger span:nth-child(1) { top: 15px; } .burger span:nth-child(2) { top: 22px; } .burger span:nth-child(3) { top: 29px; }
.nav-open .burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-open .burger span:nth-child(2) { opacity: 0; }
.nav-open .burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 1100px) { .nav__list { gap: 18px; } .nav__list a { font-size: 14px; } .top__in { gap: 20px; } }
@media (max-width: 900px) {
  .top__cta, .langs, .icon-btn--account { display: none; }
  .top__actions { margin-left: auto; gap: 8px; }
  .lang-menu, .burger { display: block; }
  .lang-menu summary { height: 46px; }
  /* меню на весь экран под шапкой */
  .nav { position: fixed; inset: 60px 0 0; z-index: 19; margin: 0; display: block; overflow-y: auto; padding: 18px var(--gut) 40px;
    background: rgba(11,12,16,.97); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .2s, transform .2s, visibility 0s .2s; }
  .nav-open .nav { opacity: 1; visibility: visible; transform: none; transition: opacity .2s, transform .2s; }
  .nav-open, .nav-open body { overflow: hidden; }
  .nav__list { flex-direction: column; gap: 0; }
  .nav__list a { display: block; padding: 18px 0; border-bottom: 1px solid var(--line-soft); color: var(--text); font: 600 clamp(22px, 6.4vw, 28px)/1.15 var(--display); letter-spacing: -.01em; }
  .nav__list li:first-child a { margin-right: 64px; }
  .nav__account { display: grid; place-items: center; position: absolute; top: 18px; right: var(--gut); width: 52px; height: 52px; border-radius: 50%;
    border: 1px solid var(--acc-2); background: rgba(255,138,42,.1); color: var(--acc-1); }
  .nav__extra { display: grid; gap: 22px; margin-top: 30px; }
  .nav__extra .btn { width: 100%; }
  .nav__extra .socials--row { margin: 0; gap: 6px; flex-wrap: wrap; }
  .nav__extra .socials a { width: 44px; height: 44px; color: var(--text); }
}