/* MLT Devices — стиль по мотивам mlt-devices.ru: тёмный фон, бирюзовый акцент, Rubik */
:root {
  --bg: #15141c;
  --bg-2: #1c1d25;
  --card: #262932;
  --card-2: #31353e;
  --line: #3a3e49;
  --text: #f5f5f5;
  --muted: #a3a8b5;
  --accent: #4fd2c2;
  --accent-2: #00dfe7;
  --accent-dark: #2fae9f;
  --radius: 10px;
  --wrap: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 400 16px/1.6 Rubik, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; }
h1, h2, h3, h4 { margin: 0; font-weight: 500; line-height: 1.2; }
p { margin: 0; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.wrap--narrow { max-width: 860px; }

/* ---------- кнопки ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent); color: #fff; border: 0; cursor: pointer;
  font: 500 15px/1 Rubik, sans-serif; text-transform: uppercase; letter-spacing: .03em;
  padding: 18px 30px; border-radius: 2px; text-align: center;
  transition: background .2s, transform .2s, box-shadow .2s;
}
.btn:hover { background: var(--accent-dark); box-shadow: 0 8px 24px rgba(79,210,194,.25); transform: translateY(-1px); }
.btn--sm { padding: 12px 20px; font-size: 13px; }
.btn--ghost { background: transparent; border: 1px solid var(--accent); color: var(--accent); }
.btn--ghost:hover { background: rgba(79,210,194,.1); }
.btn--wide { width: 100%; }

/* ---------- шапка ---------- */
.topbar { font-size: 13px; border-bottom: 1px solid #22232c; }
.topbar__in { display: flex; gap: 28px; align-items: center; height: 40px; }
.topbar__call { color: var(--accent); }
.topbar__call:hover { color: var(--accent-2); }
.topbar__hours { color: var(--muted); }
.topbar__hours b { color: var(--accent); font-weight: 500; text-transform: uppercase; font-size: 11px; letter-spacing: .04em; }
.topbar__phone { margin-left: auto; font-weight: 500; }

.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(21,20,28,.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid #2a2b35;
}
.header__in { display: flex; align-items: center; gap: 40px; height: 88px; }

.logo { display: inline-flex; color: #fff; transition: color .25s; flex: none; }
.logo:hover .logo__svg { filter: drop-shadow(0 0 10px rgba(79,210,194,.35)); }
.logo__svg { display: block; height: 64px; width: auto; transition: filter .25s; }
.logo--sm .logo__svg { height: 56px; }

.header__slogan { font-size: 16px; line-height: 1.35; color: #e4e5ea; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 30px; font-size: 16px; }
.nav a { white-space: nowrap; }
.nav a:not(.btn) { position: relative; transition: color .2s; }
.nav a:not(.btn):hover { color: var(--accent); }
.nav a:not(.btn)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -6px; height: 2px; background: var(--accent); transition: right .25s; }
.nav a:not(.btn):hover::after { right: 0; }
.burger { display: none; }
.nav__contacts { display: none; }

/* ---------- первый экран ---------- */
.hero { position: relative; overflow: hidden; padding: 70px 0 90px; }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(600px 400px at 80% 40%, rgba(79,210,194,.10), transparent 70%),
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px) 0 0 / 40px 40px,
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px) 0 0 / 40px 40px;
}
.hero__in { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.eyebrow { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: #fff; margin-bottom: 18px; }
.eyebrow span { color: var(--accent); }
.hero h1 { font-size: clamp(32px, 4.4vw, 54px); font-weight: 600; margin-bottom: 22px; }
.hero__lead { font-size: 19px; color: #d6d8de; max-width: 560px; margin-bottom: 36px; }
.hero__btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__note { margin-top: 18px; color: var(--muted); font-size: 14px; }
.hero__art { display: flex; justify-content: center; }
.board { width: 100%; max-width: 440px; animation: float 6s ease-in-out infinite; filter: drop-shadow(0 30px 60px rgba(0,0,0,.5)); }
.traces path { stroke-dasharray: 200; stroke-dashoffset: 200; animation: draw 2.4s ease forwards; }
.traces path:nth-child(2n) { animation-delay: .3s; }
.traces path:nth-child(3n) { animation-delay: .6s; }
.pulse circle { animation: pulse 3s linear infinite; }
@keyframes float { 50% { transform: translateY(-12px); } }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes pulse { 0% { transform: translate(0,0); opacity: 1 } 45% { transform: translate(0,70px); opacity: 1 } 50%,100% { transform: translate(0,70px); opacity: 0 } }

/* ---------- цифры ---------- */
.stats { border-top: 1px solid #2a2b35; border-bottom: 1px solid #2a2b35; background: var(--bg-2); }
.stats__in { display: grid; grid-template-columns: repeat(3, 1fr); }
.stat { padding: 44px 32px; border-right: 1px solid #2a2b35; }
.stat:last-child { border-right: 0; }
.stat__num { font-size: 56px; font-weight: 600; color: var(--accent); line-height: 1; }
.stat__cap { text-transform: uppercase; font-weight: 500; letter-spacing: .05em; margin: 10px 0 10px; }
.stat p { color: var(--muted); font-size: 15px; }

/* ---------- секции ---------- */
.section { padding: 100px 0; }
.section--alt { background: var(--bg-2); }
.h2 { font-size: clamp(26px, 3vw, 38px); text-transform: uppercase; letter-spacing: .02em; text-align: center; margin-bottom: 18px; }
.section__lead { text-align: center; color: var(--muted); font-size: 17px; max-width: 760px; margin: 0 auto 56px; }

/* почему мы */
.why { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.why__item { background: var(--card); border-radius: var(--radius); padding: 36px; display: grid; grid-template-columns: 56px 1fr; column-gap: 24px; align-items: start; border: 1px solid transparent; transition: border-color .25s; }
.why__item:hover { border-color: rgba(79,210,194,.4); }
.why__icon { grid-row: span 2; margin: 0; }
.why__item h3 { font-size: 19px; margin-bottom: 8px; }
.why__item p { color: var(--muted); font-size: 15px; }

/* этапы */

/* заявка */
.cta { background: radial-gradient(700px 400px at 15% 30%, rgba(79,210,194,.12), transparent 70%), var(--bg); }
.cta__in { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.cta__text .h2 { text-align: left; }
.cta__text > p { color: #d6d8de; font-size: 17px; margin-bottom: 26px; }
.cta__list { list-style: none; padding: 0; margin: 0; }
.cta__list li { padding-left: 32px; position: relative; margin-bottom: 12px; }
.cta__list li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 22px; height: 22px; border-radius: 50%; background: rgba(79,210,194,.15); color: var(--accent); font-size: 13px; display: grid; place-items: center; }

.form { background: var(--card); border-radius: var(--radius); padding: 32px; display: grid; gap: 16px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); }
.form input:not([type=checkbox]), .form select, .form textarea {
  width: 100%; background: var(--bg); border: 1px solid var(--line); color: var(--text);
  font: 400 16px Rubik, sans-serif; padding: 13px 14px; border-radius: 4px; outline: none; transition: border-color .2s;
}
.form textarea { resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--accent); }
.form .invalid { border-color: #f25830 !important; }
.form .check { display: flex; gap: 10px; align-items: flex-start; font-size: 12.5px; line-height: 1.45; }
.form .check input { margin-top: 2px; accent-color: var(--accent); width: 16px; height: 16px; flex: none; }
.form .check.invalid span { color: #f25830; }
.form__ok { color: var(--accent); text-align: center; font-weight: 500; }

/* FAQ */
.faq { margin-top: 40px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 22px 44px 22px 0; font-size: 18px; font-weight: 500; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font-size: 28px; font-weight: 300; color: var(--accent); transition: transform .25s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq summary:hover { color: var(--accent); }
.faq details p { color: var(--muted); padding: 0 0 22px; }
.faq__more { text-align: center; margin-top: 50px; }
.faq__more p { font-size: 18px; margin-bottom: 18px; }

/* подвал */
.footer { background: #0f0e14; padding: 64px 0 0; font-size: 15px; }
.footer__in { display: grid; grid-template-columns: 1.1fr 1fr 1fr 1.2fr; gap: 36px; }
.footer h4 { text-transform: uppercase; font-size: 14px; letter-spacing: .06em; color: var(--accent); margin-bottom: 16px; }
.footer p { margin-bottom: 8px; }
.footer a:hover { color: var(--accent); }
.footer__muted { color: var(--muted); font-size: 14px; }
.footer .logo { margin-bottom: 14px; }
.footer__bottom { border-top: 1px solid #22232c; margin-top: 44px; padding-top: 22px; padding-bottom: 22px; color: #6e7280; font-size: 13px; }

/* модальное окно */
.modal { border: 0; padding: 0; background: transparent; width: min(440px, calc(100% - 32px)); color: var(--text); }
.modal::backdrop { background: rgba(0,0,0,.7); backdrop-filter: blur(3px); }
.modal .form { position: relative; }
.modal h3 { font-size: 24px; }
.modal__x { position: absolute; right: 12px; top: 8px; background: none; border: 0; color: var(--muted); font-size: 30px; cursor: pointer; }
.modal__x:hover { color: #fff; }

/* наверх */
.totop {
  position: fixed; left: 24px; bottom: 24px; width: 44px; height: 44px; border-radius: 50%;
  background: #3a3e49; color: #fff; display: grid; place-items: center; font-size: 18px;
  opacity: 0; pointer-events: none; transition: opacity .3s, background .2s; z-index: 40;
}
.totop.show { opacity: 1; pointer-events: auto; }
.totop:hover { background: var(--accent); }

/* появление при прокрутке */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- многостраничные блоки ---------- */
.ico { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.ico--sm { width: 16px; height: 16px; }
.card__icon, .why__icon, .price-box__icon {
  width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(79,210,194,.12); margin-bottom: 22px; color: var(--accent);
}
.card__icon .ico, .why__icon .ico, .price-box__icon .ico { width: 28px; height: 28px; stroke-width: 1.6; }
.center { text-align: center; margin-top: 44px; }
.section--tight { padding-top: 56px; }
.h3 { font-size: 24px; margin-bottom: 20px; }
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.empty { color: var(--muted); text-align: center; padding: 40px 0; }
.topbar__mail { color: var(--muted); margin-left: auto; }
.topbar__mail:hover { color: var(--accent); }
.topbar__phone { margin-left: 0; }

/* навигация: активный пункт и выпадающее меню услуг */
.nav a.is-active { color: var(--accent); }
.nav__drop { position: relative; }
.nav__drop > a { display: inline-flex; gap: 6px; align-items: center; }
.caret { font-size: 11px; opacity: .7; }
.dropdown {
  position: absolute; top: calc(100% + 18px); left: -20px; min-width: 320px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 10px; box-shadow: 0 20px 50px rgba(0,0,0,.45);
  opacity: 0; visibility: hidden; transform: translateY(6px); transition: .2s;
}
.dropdown::before { content: ""; position: absolute; left: 0; right: 0; top: -20px; height: 20px; }
.nav__drop:hover .dropdown, .nav__drop:focus-within .dropdown { opacity: 1; visibility: visible; transform: none; }
.dropdown a { display: block; padding: 10px 14px; border-radius: 6px; font-size: 15px; }
.dropdown a::after { display: none; }
.dropdown a:hover { background: var(--card-2); }

/* шапка внутренних страниц */
.page-head {
  position: relative; padding: 50px 0 56px; border-bottom: 1px solid #2a2b35;
  background:
    radial-gradient(600px 300px at 85% 0%, rgba(79,210,194,.10), transparent 70%),
    linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px) 0 0 / 40px 40px,
    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px) 0 0 / 40px 40px;
}
.page-head h1 { font-size: clamp(30px, 4vw, 48px); font-weight: 600; margin: 14px 0 16px; }
.page-head__lead { color: #d0d3da; font-size: 18px; max-width: 760px; }
.page-head .hero__btns { margin-top: 28px; }
.page-head__grid { display: grid; grid-template-columns: 1fr 340px; gap: 48px; align-items: end; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--muted); }
.crumbs a:hover { color: var(--accent); }
.crumbs__cur { color: #d0d3da; }
.tag { display: inline-block; font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--accent); background: rgba(79,210,194,.1); padding: 5px 10px; border-radius: 3px; margin-top: 14px; }

.price-box { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.price-box__icon { margin-bottom: 16px; }
.price-box__row { display: flex; justify-content: space-between; align-items: baseline; padding: 12px 0; border-bottom: 1px solid var(--line); }
.price-box__row span { color: var(--muted); }
.price-box__row b { color: var(--accent); font-size: 20px; font-weight: 600; }
.price-box p { margin-top: 14px; }

/* сетки и карточки */
.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--card); border-radius: var(--radius); padding: 30px 26px; display: flex; flex-direction: column;
  border: 1px solid transparent; transition: transform .25s, border-color .25s, box-shadow .25s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(79,210,194,.45); box-shadow: 0 20px 40px rgba(0,0,0,.35); }
.card h3 { font-size: 19px; margin-bottom: 12px; }
.card p { color: var(--muted); font-size: 15px; margin-bottom: 22px; }
.card__foot { margin-top: auto; display: flex; justify-content: space-between; align-items: center; gap: 12px; padding-top: 16px; border-top: 1px solid var(--line); }
.card__price { color: var(--accent); font-weight: 600; }
.card__more { display: inline-flex; align-items: center; gap: 6px; color: var(--accent); font-size: 14px; margin-top: auto; }
.card:hover .card__more .ico { transform: translateX(3px); }
.card__more .ico { transition: transform .2s; }

.case-card { padding: 0; overflow: hidden; }
.case-card__cover { aspect-ratio: 16/10; background: linear-gradient(135deg, #24403f, #232633 60%, #2b2d4a); display: grid; place-items: center; }
.case-card__cover img { width: 100%; height: 100%; object-fit: cover; }
.case-card__ph { color: var(--accent); opacity: .6; }
.case-card__ph .ico { width: 72px; height: 72px; stroke-width: 1; }
.case-card__body { padding: 22px 24px 26px; }
.case-card .tag { margin: 0 0 12px; }
.post-card time { color: var(--muted); font-size: 13px; margin-bottom: 10px; }
.post-card__img { margin: -30px -26px 20px; width: calc(100% + 52px); max-width: none; aspect-ratio: 16/9; object-fit: cover; border-radius: var(--radius) var(--radius) 0 0; }

/* текстовые страницы */
.two-col { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; align-items: start; }
.prose { font-size: 17px; color: #d6d8de; }
.prose p { margin-bottom: 18px; }
.prose h2 { font-size: 26px; color: #fff; margin: 36px 0 16px; }
.prose h2:first-child { margin-top: 0; }
.prose ul { padding-left: 22px; margin: 0 0 18px; }
.prose li { margin-bottom: 8px; }
.prose li::marker { color: var(--accent); }
.prose a { color: var(--accent); }
.case-cover { width: 100%; border-radius: var(--radius); margin-bottom: 30px; }
.list-box { background: var(--card); border-radius: var(--radius); padding: 28px; margin-bottom: 20px; }
.list-box h3 { font-size: 18px; margin-bottom: 16px; }
.list-box p { color: var(--muted); margin-bottom: 16px; }
.list-box--accent { background: linear-gradient(160deg, #24403f, var(--card) 75%); border: 1px solid rgba(79,210,194,.3); }
.post-cta { margin-top: 40px; }
.checks { list-style: none; margin: 0; padding: 0; }
.checks li { display: flex; gap: 10px; margin-bottom: 11px; color: #d6d8de; font-size: 15px; }
.checks .ico { color: var(--accent); margin-top: 3px; }
.checks a:hover { color: var(--accent); }
.req { display: grid; grid-template-columns: auto 1fr; gap: 8px 18px; margin: 0; font-size: 15px; }
.req dt { color: var(--muted); }
.req dd { margin: 0; }

.chips { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.chips--left { justify-content: flex-start; }
.chip { display: inline-block; padding: 10px 18px; border: 1px solid var(--line); border-radius: 40px; font-size: 15px; color: #d6d8de; transition: .2s; }
a.chip:hover, .chip.is-active { border-color: var(--accent); color: var(--accent); }
.chip.is-active { background: rgba(79,210,194,.1); }
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.industries .chip { padding: 14px 24px; font-size: 16px; background: var(--card); border-color: transparent; }

/* цены */
.price-table { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.price-table__head, .price-table__row { display: grid; grid-template-columns: 1fr 180px 170px 130px; gap: 20px; align-items: center; padding: 20px 26px; }
.price-table__head { background: var(--card-2); color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .05em; }
.price-table__row { border-top: 1px solid var(--line); background: var(--card); transition: background .2s; }
.price-table__row:hover { background: #2b2f38; }
.price-table__name b { display: block; font-weight: 500; font-size: 17px; margin-bottom: 4px; }
.price-table__name small { color: var(--muted); font-size: 14px; }
.price-table__name:hover b { color: var(--accent); }
.price-table__term { color: #d6d8de; }
.price-table__price { color: var(--accent); font-weight: 600; font-size: 18px; }
.note-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.note { background: var(--bg-2); border-left: 3px solid var(--accent); padding: 24px 26px; border-radius: 0 var(--radius) var(--radius) 0; }
.note h3 { font-size: 18px; margin-bottom: 10px; }
.note p { color: var(--muted); font-size: 15px; }

/* контакты */
.contact-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 24px; }
.contact { display: flex; gap: 14px; align-items: center; background: var(--card); padding: 20px; border-radius: var(--radius); }
.contact .ico { width: 26px; height: 26px; color: var(--accent); }
.contact small { display: block; color: var(--muted); font-size: 13px; }
a.contact:hover { background: var(--card-2); }
.map { border-radius: var(--radius); overflow: hidden; margin-bottom: 24px; height: 300px; background: var(--card); }
.map iframe { width: 100%; height: 100%; border: 0; filter: invert(.9) hue-rotate(180deg) saturate(.6); }

/* формы: файл, ошибки, анкета */
.file { position: relative; display: flex !important; flex-direction: column; gap: 4px; border: 1px dashed var(--line); border-radius: 4px; padding: 14px 16px; cursor: pointer; transition: border-color .2s; }
.file:hover { border-color: var(--accent); }
.file input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.file__btn { display: flex; align-items: center; gap: 8px; color: var(--accent); font-size: 15px; }
.file__name { font-size: 12.5px; }
.file.has-file { border-style: solid; border-color: var(--accent); }
.form__err { color: #ff7a59; font-size: 14px; text-align: center; }
.field-err { color: #ff7a59; font-size: 12.5px; }
.form button[disabled] { opacity: .6; pointer-events: none; }
.form--brief { gap: 24px; }
.form--brief fieldset { border: 0; margin: 0; padding: 0; display: grid; gap: 16px; }
.form--brief legend { display: flex; align-items: center; gap: 12px; font-size: 20px; font-weight: 500; margin-bottom: 18px; padding: 0; }
.form--brief legend span { width: 34px; height: 34px; border-radius: 50%; background: #2c4b4c; display: grid; place-items: center; font-size: 16px; }
.cta__alt { margin-top: 24px; color: var(--muted); }
.cta__alt a { color: var(--accent); }

.thanks { padding: 110px 0; }
.thanks h1 { font-size: clamp(28px, 4vw, 42px); margin: 22px 0 16px; }
.thanks .page-head__lead { margin: 0 auto 32px; }
.thanks a:not(.btn) { color: var(--accent); }
.thanks__icon { width: 84px; height: 84px; border-radius: 50%; background: rgba(79,210,194,.15); color: var(--accent); display: grid; place-items: center; margin: 0 auto; }
.thanks__icon .ico { width: 40px; height: 40px; stroke-width: 2.4; }
.err-code { font-size: 120px; font-weight: 700; color: var(--accent); line-height: 1; opacity: .8; }
.hero__btns--center { justify-content: center; }
.footer__btn { margin-top: 18px; }
.footer__bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer__bottom a:hover { color: var(--accent); }

/* контрактное производство */
.h2--left { text-align: left; }
.volumes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.volume { background: var(--card); border-radius: var(--radius); padding: 32px 28px; border-top: 3px solid var(--accent); }
.volume__qty { font-size: 34px; font-weight: 600; color: var(--accent); line-height: 1.1; margin-bottom: 10px; }
.volume h3 { font-size: 19px; margin-bottom: 10px; text-transform: uppercase; letter-spacing: .03em; }
.volume p { color: var(--muted); font-size: 15px; }
.spec { width: 100%; border-collapse: collapse; font-size: 15px; background: var(--card); border-radius: var(--radius); overflow: hidden; }
.spec th, .spec td { text-align: left; padding: 15px 20px; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec tr:last-child th, .spec tr:last-child td { border-bottom: 0; }
.spec th { color: var(--muted); font-weight: 400; width: 42%; }
.promo { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center;
  background: linear-gradient(135deg, #1f3a3a, var(--card) 60%); border: 1px solid rgba(79,210,194,.25);
  border-radius: 16px; padding: 48px; }
.promo h2 { font-size: clamp(24px, 3vw, 34px); margin: 12px 0 16px; }
.promo p { color: #d0d3da; margin-bottom: 26px; }
.promo .checks li { font-size: 16px; }

/* карусель («Что мы разрабатываем» на главной) */
.carousel { position: relative; --per: 3; --gap: 24px; }
.carousel__track {
  display: flex; gap: var(--gap); overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth;
  padding: 8px 2px 12px; margin: -8px -2px 0; scrollbar-width: none; outline: none;
}
.carousel__track::-webkit-scrollbar { display: none; }
.carousel__track > * { flex: 0 0 calc((100% - (var(--per) - 1) * var(--gap)) / var(--per)); scroll-snap-align: start; }
.carousel__arrow {
  position: absolute; top: calc(50% - 30px); z-index: 2; width: 48px; height: 48px; border-radius: 50%;
  display: grid; place-items: center; cursor: pointer; color: #fff;
  background: var(--card-2); border: 1px solid var(--line); box-shadow: 0 10px 30px rgba(0,0,0,.4);
  transition: background .2s, color .2s, opacity .2s, border-color .2s;
}
.carousel__arrow:hover { background: var(--accent); border-color: var(--accent); color: var(--bg); }
.carousel__arrow--prev { left: -24px; }
.carousel__arrow--prev .ico { transform: rotate(180deg); }
.carousel__arrow--next { right: -24px; }
.carousel__arrow[disabled] { opacity: 0; pointer-events: none; }
.carousel__dots { display: flex; justify-content: center; gap: 10px; margin-top: 22px; }
.carousel__dot { width: 10px; height: 10px; border-radius: 10px; border: 0; padding: 0; cursor: pointer; background: var(--line); transition: width .25s, background .25s; }
.carousel__dot.is-active { width: 28px; background: var(--accent); }

/* «Как мы работаем» — лента этапов */
.process { position: relative; overflow: hidden; }
.timeline { list-style: none; margin: 56px 0 0; padding: 0; position: relative;
  display: grid; grid-template-columns: repeat(var(--n), 1fr); gap: 20px; }
.timeline__line { position: absolute; left: calc(50% / var(--n)); right: calc(50% / var(--n)); top: 36px;
  height: 2px; background: var(--line); border-radius: 2px; }
.timeline__progress { position: absolute; inset: 0; transform-origin: left; transform: scaleX(0);
  background: linear-gradient(90deg, var(--accent), var(--accent-2)); box-shadow: 0 0 12px rgba(79,210,194,.6);
  transition: transform 1.8s cubic-bezier(.3,.1,.2,1) .2s; }
.timeline.is-in .timeline__progress { transform: scaleX(1); }
.tstep { position: relative; display: flex; flex-direction: column; align-items: center; text-align: center;
  opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease;
  transition-delay: calc(.25s + var(--i) * .3s); }
.timeline.is-in .tstep { opacity: 1; transform: none; }
.tstep__node { position: relative; z-index: 1; width: 72px; height: 72px; border-radius: 50%; display: grid; place-items: center;
  background: var(--bg-2); border: 2px solid var(--line); color: var(--accent);
  transition: border-color .3s, box-shadow .3s, transform .3s, background .3s;
  transition-delay: calc(.25s + var(--i) * .3s); }
.section--alt .tstep__node { background: var(--bg); }
.timeline.is-in .tstep__node { border-color: var(--accent); box-shadow: 0 0 0 6px rgba(79,210,194,.08); }
.tstep__node .ico { width: 30px; height: 30px; stroke-width: 1.6; }
.tstep__num { position: absolute; top: -4px; right: -4px; width: 26px; height: 26px; border-radius: 50%;
  background: var(--accent); color: var(--bg); font-size: 13px; font-weight: 700; display: grid; place-items: center; }
.tstep__body { margin-top: 22px; background: var(--card); border: 1px solid transparent; border-radius: var(--radius);
  padding: 22px 18px; flex: 1; width: 100%; display: flex; flex-direction: column; align-items: center;
  transition: border-color .3s, transform .3s, box-shadow .3s; }
.tstep__term { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--accent);
  background: rgba(79,210,194,.1); padding: 4px 10px; border-radius: 20px; margin-bottom: 12px; }
.tstep h3 { font-size: 17px; margin-bottom: 8px; }
.tstep p { color: var(--muted); font-size: 14.5px; margin-bottom: 16px; }
.tstep__result { margin-top: auto; display: flex; align-items: center; gap: 6px; font-size: 13.5px; color: #d6d8de;
  padding-top: 12px; border-top: 1px solid var(--line); width: 100%; justify-content: center; }
.tstep__result .ico { color: var(--accent); }
.tstep:hover .tstep__node { transform: scale(1.08); background: var(--accent); color: var(--bg); box-shadow: 0 0 30px rgba(79,210,194,.45); transition-delay: 0s; }
.tstep:hover .tstep__num { background: #fff; }
.tstep:hover .tstep__body { border-color: rgba(79,210,194,.45); transform: translateY(-4px); box-shadow: 0 16px 36px rgba(0,0,0,.35); }

/* заказ звонка: блок на странице и плавающая кнопка */
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.callband { display: grid; grid-template-columns: auto 1fr; gap: 20px 28px; align-items: center;
  background: linear-gradient(120deg, #1f3a3a, var(--card) 55%); border: 1px solid rgba(79,210,194,.3);
  border-radius: 16px; padding: 36px 40px; }
.callband__icon { width: 72px; height: 72px; border-radius: 50%; background: var(--accent); color: var(--bg);
  display: grid; place-items: center; box-shadow: 0 0 0 10px rgba(79,210,194,.12); }
.callband__icon .ico { width: 32px; height: 32px; stroke-width: 1.8; }
.callband__text h2 { font-size: clamp(22px, 2.6vw, 30px); margin-bottom: 8px; }
.callband__text p { color: #d0d3da; }
.callband .callband__form { grid-column: 1 / -1; background: none; padding: 0; gap: 12px; }
.callband__fields { display: grid; grid-template-columns: 1fr 1fr 1fr auto; gap: 12px; }
.callband__fields .btn { white-space: nowrap; }
.callband .check { color: var(--muted); }

.callfab { position: fixed; right: 24px; bottom: 24px; z-index: 45; height: 60px; min-width: 60px; border-radius: 30px;
  display: flex; align-items: center; justify-content: center; gap: 0; padding: 0 18px;
  background: var(--accent); color: var(--bg); box-shadow: 0 10px 30px rgba(79,210,194,.35);
  transition: gap .3s, padding .3s, background .2s; }
.callfab .ico { width: 26px; height: 26px; stroke-width: 2; animation: ring 3s ease-in-out infinite; }
.callfab::before { content: ""; position: absolute; inset: 0; border-radius: inherit; border: 2px solid var(--accent);
  animation: pulse-ring 2.4s ease-out infinite; pointer-events: none; }
.callfab__label { max-width: 0; overflow: hidden; white-space: nowrap; font-weight: 500; font-size: 15px; transition: max-width .35s; }
.callfab:hover { gap: 10px; background: var(--accent-2); }
.callfab:hover .callfab__label { max-width: 180px; }
@keyframes pulse-ring { 0% { transform: scale(1); opacity: .7; } 100% { transform: scale(1.45); opacity: 0; } }
@keyframes ring { 0%, 86%, 100% { transform: rotate(0); } 88% { transform: rotate(-14deg); } 90% { transform: rotate(14deg); }
  92% { transform: rotate(-10deg); } 94% { transform: rotate(10deg); } 96% { transform: rotate(-4deg); } }
body:has(.modal[open]) .callfab { display: none; }

/* ---------- адаптив ---------- */
@media (max-width: 1100px) {
  /* мобильное меню: пунктов стало много — «бургер» включается уже на планшетах */
  .burger { display: block; margin-left: auto; width: 32px; height: 24px; position: relative; cursor: pointer; }
  .burger span, .burger::before, .burger::after { content: ""; position: absolute; left: 0; right: 0; height: 2px; background: #fff; transition: .25s; }
  .burger::before { top: 0; } .burger span { top: 11px; } .burger::after { bottom: 0; }
  .nav-toggle:checked + .burger::before { transform: translateY(11px) rotate(45deg); }
  .nav-toggle:checked + .burger span { opacity: 0; }
  .nav-toggle:checked + .burger::after { transform: translateY(-11px) rotate(-45deg); }
  .nav {
    position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid #2a2b35; padding: 0 24px;
    max-height: 0; overflow: hidden; transition: max-height .3s, padding .3s;
  }
  .nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid #22232c; }
  .nav a::after { display: none; }
  .nav__cta { margin: 16px 0; }
  .nav-toggle:checked ~ .nav { max-height: 760px; padding: 8px 24px; }
  .nav__drop > a { display: block; padding: 14px 0; border-bottom: 1px solid #22232c; }
  .nav__drop .dropdown { display: none; }
  .nav__drop > a .caret { display: none; }
  .header__slogan { display: none; }
  .nav__contacts { display: flex; flex-direction: column; gap: 4px; padding: 0 0 16px; }
  .nav .nav__contacts a { display: flex; align-items: center; gap: 10px; padding: 8px 0; border: 0; color: var(--accent); }
}
@media (max-width: 1540px) and (min-width: 1101px) {
  .header__slogan { display: none; }
  .nav { gap: 22px; font-size: 15px; }
}
@media (max-width: 1080px) {
  .callband__fields { grid-template-columns: 1fr 1fr; }
  .callband__fields .btn { grid-column: 1 / -1; }
  .timeline { grid-template-columns: 1fr; gap: 18px; max-width: 640px; margin-left: auto; margin-right: auto; }
  .timeline__line { left: 35px; right: auto; top: 36px; bottom: 36px; width: 2px; height: auto; }
  .timeline__progress { transform: scaleY(0); transform-origin: top; }
  .timeline.is-in .timeline__progress { transform: scaleY(1); }
  .tstep { flex-direction: row; align-items: flex-start; text-align: left; gap: 18px; transform: translateX(20px); }
  .tstep__node { flex: none; }
  .tstep__body { margin-top: 0; align-items: flex-start; }
  .tstep__result { justify-content: flex-start; }
  .carousel { --per: 2; }
  .carousel__arrow--prev { left: -12px; } .carousel__arrow--next { right: -12px; }
  .header__slogan { display: none; }
  .footer__in { grid-template-columns: 1fr 1fr; }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .header__in { height: 72px; }
  .logo__svg { height: 50px; }

  .hero { padding: 40px 0 60px; }
  .hero__in { grid-template-columns: 1fr; }
  .hero__art { order: -1; }
  .board { max-width: 280px; }
  .stats__in { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid #2a2b35; padding: 30px 8px; }
  .stat:last-child { border-bottom: 0; }
  .section { padding: 70px 0; }
  .why, .cta__in, .two-col, .page-head__grid, .note-grid, .volumes, .promo { grid-template-columns: 1fr; }
  .promo { padding: 32px 24px; gap: 24px; }
  .two-col { gap: 32px; }
  .price-table__head { display: none; }
  .price-table__row { grid-template-columns: 1fr 1fr; gap: 10px 20px; }
  .price-table__name { grid-column: 1 / -1; }
  .price-table__row .btn { grid-column: 1 / -1; }
  .price-table__term::before, .price-table__price::before { content: attr(data-label); display: block; font-size: 12px; color: var(--muted); font-weight: 400; text-transform: uppercase; }
  .cta__in { gap: 36px; }
}
@media (max-width: 600px) {
  .callband { grid-template-columns: 1fr; padding: 26px 20px; text-align: left; }
  .callband__icon { width: 56px; height: 56px; }
  .callband__fields { grid-template-columns: 1fr; }
  .callfab { right: 16px; bottom: 16px; height: 56px; min-width: 56px; padding: 0 15px; }
  .totop { left: 16px; bottom: 16px; }
  .carousel__track { display: grid; grid-template-columns: 1fr; overflow: visible; margin: 0; padding: 0; }
  .carousel__arrow, .carousel__dots { display: none; }
  .wrap { padding: 0 16px; }
  .topbar__hours { display: none; }
  .footer__in, .form__row, .grid--3, .grid--4, .contact-list { grid-template-columns: 1fr; }
  .page-head { padding: 32px 0 40px; }
  .err-code { font-size: 90px; }
  .why__item { grid-template-columns: 1fr; padding: 28px; }
  .why__icon { grid-row: auto; margin-bottom: 16px; }
  .form { padding: 22px; }
  .hero__btns { flex-direction: column; gap: 12px; }
  .hero__btns .btn { width: 100%; padding: 17px 20px; }
  /* верхняя строка: звонок слева, телефон и почта справа */
  .topbar__in { height: auto; min-height: 40px; padding: 8px 16px; gap: 4px 14px; flex-wrap: wrap; font-size: 12.5px; }
  .topbar__mail { margin-left: auto; }
  .faq summary { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  .callfab::before { display: none; }
  .tstep, .timeline__progress { opacity: 1 !important; transform: none !important; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .traces path { stroke-dashoffset: 0; }
  .reveal { opacity: 1; transform: none; }
}