/* Smart home devices and automation — voice assistant compatibility
   палитра: высококонтрастная | стиль: мягкий-тихий | код: бэм-полный
   Базовый слой сгенерирован автоматически. Секционные раскладки — ниже. */
:root {
  --color-bg: #ffffff;
  --color-text: #000000;
  --color-muted: #3d3d3d;
  --color-accent: #c20000;
  --color-surface: #f0f0f0;
  --color-on-accent: #ffffff;

  --font-heading: 'Bitter', Georgia, serif;
  --font-body: 'Open Sans', system-ui, sans-serif;

  --radius: 8px;
  --shadow: 0 1px 2px rgb(0 0 0 / .05), 0 8px 24px rgb(0 0 0 / .07);
  --container: 72rem;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  overflow-x: hidden;
}

/* .swiper-pagination (vendor) всегда z-index:10 и растянута на всю ширину —
   кнопки листания не должны оказаться под ней, с каким бы z-index их ни
   поставила секционная раскладка. */
[data-slider-prev], [data-slider-next] { z-index: 20 !important; }

h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.15; margin: 0 0 .6em; }
h1 { font-size: clamp(2.4rem, 5.5vw, 3.75rem); }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); }
h3 { font-size: clamp(1.15rem, 1.8vw, 1.4rem); }
p  { font-size: clamp(1rem, 1.1vw, 1.125rem); margin: 0 0 1.1em; max-width: 68ch; }

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); }

:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
  overflow-x: hidden;
}

section { padding: clamp(4rem, 8vw, 7rem) 0; }
section:nth-of-type(even) { background: var(--color-surface); }

.section__eyebrow {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: .6rem;
}

/* шапка */
.header {
  position: sticky; top: 0; z-index: 1030;
  background: var(--color-bg);
  border-bottom: 1px solid color-mix(in srgb, var(--color-muted) 22%, transparent);
}
.header--transparent { background: transparent; border-bottom-color: transparent; }
.header__inner { display: flex; align-items: center; gap: 1.5rem; padding-block: .9rem; }
.header__brand { font-family: var(--font-heading); font-weight: 700; font-size: 1.15rem;
  color: var(--color-text); text-decoration: none; margin-right: auto; }
.nav__list { display: flex; gap: .35rem; list-style: none; margin: 0; padding: 0; }
.nav__link { display: block; padding: .5rem .9rem; border-radius: var(--radius);
  color: var(--color-text); text-decoration: none; font-weight: 500;
  transition: background .2s ease, color .2s ease; }
.nav__link:hover { background: var(--color-surface); }
.nav__link.active-active { color: var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 12%, transparent); }
.nav--split { display: flex; align-items: center; gap: 2rem; width: 100%;
  justify-content: center; }
.header__burger { display: none; flex-direction: column; gap: 4px; padding: .6rem;
  background: none; border: 0; cursor: pointer; }
.header__burger span { width: 22px; height: 2px; background: var(--color-text); }

/* кнопки */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .8rem 1.6rem;
  border: 2px solid transparent;
  border-radius: var(--radius);
  font-weight: 600; text-decoration: none; cursor: pointer;
  transition: background .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn--primary { background: var(--color-accent); color: var(--color-on-accent); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn--ghost { background: transparent; color: var(--color-accent); border-color: var(--color-accent); }
.btn--ghost:hover { background: var(--color-accent); color: var(--color-on-accent); }

/* формы */
.form label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: .35rem; }
.form input, .form textarea {
  width: 100%; padding: .8rem 1rem; margin-bottom: 1rem;
  border: 1px solid color-mix(in srgb, var(--color-muted) 35%, transparent);
  border-radius: var(--radius); background: var(--color-bg); color: var(--color-text); font: inherit;
}
.form input:focus, .form textarea:focus { outline: 2px solid var(--color-accent); outline-offset: 1px; }
.form [aria-invalid="true"] { border-color: #c62828; }
.form__error { color: #c62828; font-size: .85rem; margin: -.7rem 0 .9rem; }
.form__ok { background: color-mix(in srgb, var(--color-accent) 12%, transparent);
  border-radius: var(--radius); padding: 1rem; font-weight: 600; }
.form__consent { display: flex; gap: .6rem; align-items: flex-start; font-weight: 400; }
.form__consent input { width: auto; margin: .25rem 0 0; }

/* футер */
.footer { background: var(--color-surface); }
.footer--contrast { background: var(--color-text); color: var(--color-bg); }
.footer--contrast a { color: inherit; }
.footer__inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2.5rem;
  padding-block: clamp(2.5rem, 5vw, 4rem); }
.footer__row { display: flex; justify-content: space-between; flex-wrap: wrap;
  gap: 1rem; padding-block: 1.6rem; font-size: .9rem; }
.footer__brand { font-family: var(--font-heading); font-size: 1.25rem; font-weight: 700; margin: 0 0 .4rem; }
.footer__tagline { opacity: .75; font-size: .95rem; }
.footer__title { font-size: .8rem; letter-spacing: .12em; text-transform: uppercase;
  opacity: .7; margin-bottom: .9rem; }
.footer__address { font-style: normal; line-height: 1.7; }
.footer__hours { opacity: .75; font-size: .92rem; margin-top: .7rem; }
.footer__links { list-style: none; margin: 0; padding: 0; display: grid; gap: .45rem; }
.footer__cookie { background: none; border: 0; padding: 0; color: inherit;
  text-decoration: underline; cursor: pointer; font: inherit; }
.footer__bottom { display: flex; justify-content: space-between; gap: 1rem;
  padding-block: 1.2rem; font-size: .85rem; opacity: .75;
  border-top: 1px solid color-mix(in srgb, var(--color-muted) 25%, transparent); }
.footer__bottom p { margin: 0; }

/* плашка cookie */
.cookie {
  position: fixed; inset-inline: 0; bottom: 0; z-index: 1080;
  background: var(--color-surface);
  border-top: 1px solid color-mix(in srgb, var(--color-muted) 30%, transparent);
  box-shadow: 0 -8px 30px rgb(0 0 0 / .12);
  transform: translateY(100%); transition: transform .35s ease;
}
.cookie.visible-active { transform: translateY(0); }
.cookie__inner { display: flex; align-items: center; gap: 1.5rem; padding-block: 1.1rem; }
.cookie__text p { margin: 0; font-size: .92rem; max-width: 70ch; }
.cookie__actions { display: flex; align-items: center; gap: .7rem; margin-left: auto; flex-shrink: 0; }
.cookie__configure { background: none; border: 0; color: var(--color-accent);
  font: inherit; font-weight: 600; text-decoration: underline; cursor: pointer; }
.cookie__options { display: grid; gap: .6rem; margin-top: 1rem; }
.cookie__option { display: grid; grid-template-columns: auto 1fr; gap: .5rem .6rem;
  align-items: start; font-size: .9rem; font-weight: 600; }
.cookie__option span { grid-column: 2; font-weight: 400; opacity: .75; }

/* правовые страницы */
.legal { background: var(--color-bg); }
.legal__inner { max-width: 52rem; padding-block: clamp(2.5rem, 6vw, 4.5rem); }
.legal h2 { margin-top: 2.2rem; }
.legal h3 { margin-top: 1.4rem; }
.legal__updated { color: var(--color-muted); font-size: .9rem; }
.legal__table { width: 100%; border-collapse: collapse; margin: 1.2rem 0 1.8rem; }
.legal__table th, .legal__table td { text-align: left; padding: .7rem .9rem;
  border-bottom: 1px solid color-mix(in srgb, var(--color-muted) 25%, transparent); vertical-align: top; }
.legal__table th { width: 34%; font-weight: 600; }
.legal__back { margin-top: 2.5rem; }
/* анимации: без JS всё видно */
[data-aos]:not(.aos-init) { opacity: 1 !important; transform: none !important; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  [data-aos] { opacity: 1 !important; transform: none !important; }
}

@media (max-width: 991px) {
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .cookie__inner { flex-direction: column; align-items: stretch; }
  .cookie__actions { margin-left: 0; flex-wrap: wrap; }
}

@media (max-width: 767px) {
  .header__burger { display: flex; }
  .header__cta { display: none; }
  .nav { display: none; width: 100%; }
  .nav.open-active { display: block; }
  .nav__list { flex-direction: column; padding-block: .6rem; }
  .header__inner { flex-wrap: wrap; }
  .footer__inner { grid-template-columns: 1fr; gap: 2rem; }
  .footer__bottom, .footer__row { flex-direction: column; }
  .cookie__actions .btn { flex: 1 1 auto; }
}

/* ================================================================
   Секционные раскладки
   ================================================================ */

/* общая иерархия секций */
.section-label {
  margin-bottom: .65rem;
  color: var(--color-accent);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.section-intro { margin-bottom: 2rem; color: var(--color-muted); }
.btn--outline {
  border-color: var(--color-accent);
  background: transparent;
  color: var(--color-accent);
}
.btn--outline:hover { background: var(--color-accent); color: var(--color-on-accent); transform: translateY(-2px); }
.reading-progress { position: fixed; inset: 0 0 auto; z-index: 1090; height: 3px; }
.reading-progress__bar { display: block; width: 0; height: 100%; background: var(--color-accent); }
.table-responsive { margin-block: 2rem; border-radius: var(--radius); box-shadow: var(--shadow); }

/* первый экран: полноэкранный слайдер */
.hero { min-height: 82vh; padding: 0; display: flex; align-items: stretch; background: var(--color-text); color: var(--color-on-accent); }
.hero__slider, .hero__slider .swiper-wrapper { min-height: 82vh; width: 100%; }
.hero__slide { min-height: 82vh; display: flex; align-items: center; overflow: hidden; }
.hero__slide::after {
  content: ''; position: absolute; right: -8vw; bottom: -22vw; width: clamp(18rem, 46vw, 42rem);
  aspect-ratio: 1; border-radius: 50%; background: var(--color-accent); opacity: .82;
}
.hero__slide:nth-child(2)::after { right: 8vw; bottom: auto; top: -25vw; }
.hero__slide:nth-child(3)::after { right: -14vw; bottom: -12vw; width: clamp(24rem, 58vw, 52rem); opacity: .62; }
.hero__content { position: relative; z-index: 1; padding-block: 5rem 7rem; }
.hero__content > * { max-width: 44rem; }
.hero__content p:not(.section-label) { color: var(--color-on-accent); }
.hero .section-label { color: var(--color-on-accent); }
.hero .swiper-pagination-bullet { background: var(--color-on-accent); opacity: .55; }
.hero .swiper-pagination-bullet-active { opacity: 1; }

/* главная: текст и фото */
.about__grid, .accessibility__grid, .growth__grid, .page-hero__grid, .story__grid, .team__grid {
  display: grid; gap: 2.5rem; align-items: center;
}
.about__image, .accessibility__image, .growth__image, .page-hero__grid img, .story__grid img, .team__grid img {
  width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow);
}

/* тема 01: вертикальный нумерованный маршрут */
.process__list { max-width: 58rem; margin: 2.5rem 0 0; padding: 0; list-style: none; counter-reset: process; }
.process__item { position: relative; padding: 0 0 2rem 5rem; counter-increment: process; }
.process__item::before {
  content: counter(process, decimal-leading-zero); position: absolute; left: 0; top: -.25rem;
  color: var(--color-accent); font-family: var(--font-heading); font-size: 2rem; font-weight: 700;
}
.process__item:not(:last-child)::after { content: ''; position: absolute; left: 1.35rem; top: 2.6rem; bottom: .5rem; width: 2px; background: var(--color-accent); }

/* тема 02: счётчики */
.metrics__grid { display: grid; gap: 1rem; margin-top: 2.5rem; }
.metrics__item { display: flex; flex-direction: column; min-height: 100%; padding: 2rem; background: var(--color-bg); box-shadow: var(--shadow); border-radius: var(--radius); }
.metrics__number { color: var(--color-accent); font-family: var(--font-heading); font-size: clamp(3rem, 8vw, 5.5rem); line-height: 1; }

/* тема 03: слайдер карточек */
.compatibility__slider { padding: .5rem .25rem 3.5rem; }
.compatibility__card { height: auto; padding: 1.25rem; background: var(--color-surface); border-radius: var(--radius); box-shadow: var(--shadow); }
.compatibility__card img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: var(--radius); margin-bottom: 1.25rem; }
.compatibility__slider [data-slider-prev], .compatibility__slider [data-slider-next] {
  width: 2.75rem; height: 2.75rem; top: auto; bottom: .15rem; color: var(--color-on-accent); background: var(--color-accent); border-radius: 50%;
}
.compatibility__slider [data-slider-prev]::after, .compatibility__slider [data-slider-next]::after { font-size: 1rem; font-weight: 700; }

/* тема 04: широкое фото */
.network__image { width: 100%; margin: 2rem 0; aspect-ratio: 3 / 2; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow); }
.network__content { max-width: 58rem; }

/* тема 05: цитата на акцентной заливке */
.quote { background: var(--color-accent) !important; color: var(--color-on-accent); }
.quote .section-label { color: var(--color-on-accent); }
.quote__inner { max-width: 58rem; }
.quote__text { margin: 2rem 0; font-family: var(--font-heading); font-size: clamp(1.7rem, 4vw, 3rem); line-height: 1.28; }

/* тема 06: две колонки текста */
.privacy__columns { display: grid; gap: 2rem; margin-top: 2rem; }
.privacy__columns > div { padding-top: 1.5rem; border-top: 4px solid var(--color-accent); }

/* тема 07: четыре плитки */
.scenarios__grid { display: grid; gap: 1rem; }
.scenarios__tile { min-height: 100%; padding: 2rem; background: var(--color-bg); border-radius: var(--radius); box-shadow: var(--shadow); }
.scenarios__icon { display: inline-grid; place-items: center; width: 3rem; aspect-ratio: 1; margin-bottom: 1.25rem; border-radius: 50%; background: var(--color-accent); color: var(--color-on-accent); font-weight: 700; }

/* тема 08: три карточки */
.devices__grid { display: grid; gap: 1.25rem; margin: 2rem 0; align-items: stretch; }
.devices__card { display: flex; flex-direction: column; padding: 2rem; background: var(--color-surface); border-radius: var(--radius); box-shadow: var(--shadow); }
.devices__card h3::before { content: ''; display: block; width: 3.5rem; height: .3rem; margin-bottom: 1.2rem; background: var(--color-accent); }

/* тема 09: галерея */
.gallery__grid { display: grid; gap: 1.5rem; margin-block: 2rem; align-items: stretch; }
.gallery__item { margin: 0; display: flex; flex-direction: column; min-height: 100%; }
.gallery__item img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow); }
.gallery__item figcaption { flex: 1; padding: 1.15rem .25rem 0; }

/* тема 10: фото 5/7 */
.accessibility__content { max-width: 44rem; }

/* тема 11: текст с выносками */
.maintenance__row { display: grid; gap: .75rem; padding: 1.5rem 0; border-top: 1px solid color-mix(in srgb, var(--color-muted) 30%, transparent); }
.maintenance__aside { color: var(--color-accent); font-family: var(--font-heading); font-size: 1.15rem; font-weight: 700; }
.maintenance__row p { margin: 0; }

/* тема 12 и тарифы: таблицы сравнения */
.comparison__table, .plans__table, .plans-comparison__table { width: 100%; min-width: 44rem; border-collapse: collapse; background: var(--color-bg); }
.comparison__table th, .comparison__table td, .plans__table th, .plans__table td, .plans-comparison__table th, .plans-comparison__table td { padding: 1rem; text-align: center; border-bottom: 1px solid color-mix(in srgb, var(--color-muted) 25%, transparent); }
.comparison__table th:first-child, .comparison__table td:first-child, .plans__table th:first-child, .plans__table td:first-child, .plans-comparison__table th:first-child, .plans-comparison__table td:first-child { text-align: left; }
.plans__recommended { box-shadow: inset 0 4px var(--color-accent); }
.plans__recommended span { display: block; color: var(--color-accent); font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; }
.plans__note, .service-plans__note { font-size: 1rem; font-weight: 600; }

/* тема 13: текст и фото 6/6 */
.growth__content { max-width: 38rem; }

/* социальное доказательство: лента логотипов */
.partners__track { display: flex; gap: .75rem; margin: 2rem 0; padding: 1.25rem; overflow-x: auto; background: var(--color-bg); border-radius: var(--radius); box-shadow: var(--shadow); }
.partners__track span { flex: 0 0 auto; padding: .9rem 1.25rem; color: var(--color-muted); font-family: var(--font-heading); font-weight: 700; filter: grayscale(1); }

/* FAQ */
.faq__accordion, .service-faq__accordion { max-width: 58rem; margin-top: 2rem; }
.faq__item, .service-faq .accordion-item { margin-bottom: .75rem; overflow: hidden; border: 0; border-radius: var(--radius); box-shadow: var(--shadow); }
.accordion-button { font-family: var(--font-heading); font-weight: 700; }
.accordion-button:not(.collapsed) { background: var(--color-accent); color: var(--color-on-accent); box-shadow: none; }
.accordion-button:not(.collapsed)::after { filter: grayscale(1) brightness(3); }

/* контакты */
.contact__grid, .contact-form__grid { display: grid; gap: 2rem; margin-top: 2rem; align-items: start; }
.contact__details, .contact__form, .contact-form__form, .contact-info__card { padding: 2rem; background: var(--color-bg); border-radius: var(--radius); box-shadow: var(--shadow); }
.contact iframe, .contact-location iframe { display: block; margin-top: 1.5rem; border-radius: var(--radius); box-shadow: var(--shadow); }
.contact__details address { font-style: normal; font-size: clamp(1.1rem, 2vw, 1.35rem); }
.form__check { display: flex; gap: .65rem; align-items: flex-start; margin-bottom: 1.25rem; }
.form__check input { flex: 0 0 auto; width: auto; margin-top: .35rem; }

/* внутренние страницы */
.page-hero { min-height: 82vh; display: flex; align-items: center; }
.page-hero__grid, .contact-hero__inner { min-height: 58vh; }
.page-hero__grid { align-content: center; }
.approach__grid, .principles__grid, .service-detail__grid, .service-plans__grid, .contact-info__grid { display: grid; gap: 1.25rem; margin-block: 2rem; align-items: stretch; }
.approach__card, .principles__grid article, .service-detail__grid article, .service-plans__card {
  display: flex; flex-direction: column; min-height: 100%; padding: 2rem; background: var(--color-bg); border-radius: var(--radius); box-shadow: var(--shadow);
}
.principles__grid span { color: var(--color-accent); font-family: var(--font-heading); font-size: 2rem; font-weight: 700; }
.about-cta__inner, .service-cta__inner { padding: clamp(2rem, 5vw, 4rem); background: var(--color-text); color: var(--color-on-accent); border-radius: var(--radius); box-shadow: var(--shadow); }
.about-cta__actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.service-plans__card ul { margin-bottom: 2rem; padding-left: 1.2rem; }
.service-plans__card .btn { margin-top: auto; }
.service-plans__card--recommended { position: relative; box-shadow: 0 0 0 3px var(--color-accent), var(--shadow); }
.service-plans__badge { align-self: flex-start; margin: -3rem 0 1.1rem; padding: .35rem .8rem; background: var(--color-accent); color: var(--color-on-accent); border-radius: var(--radius); font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.service-plans__price strong { color: var(--color-accent); font-family: var(--font-heading); font-size: 2.5rem; }
.contact-hero { background: var(--color-text) !important; color: var(--color-on-accent); }
.contact-hero__inner { display: flex; flex-direction: column; justify-content: center; }

/* брейкпоинт 1: от 576px */
@media (min-width: 576px) {
  .metrics__grid, .scenarios__grid, .principles__grid, .contact-info__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .maintenance__row { grid-template-columns: minmax(9rem, 1fr) 3fr; gap: 2rem; }
}

/* брейкпоинт 2: от 768px */
@media (min-width: 768px) {
  .about__grid, .growth__grid, .page-hero__grid, .story__grid, .team__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .accessibility__grid { grid-template-columns: 5fr 7fr; }
  .privacy__columns, .contact__grid, .contact-form__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .devices__grid, .gallery__grid, .approach__grid, .service-detail__grid, .service-plans__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .network__image { aspect-ratio: 16 / 7; }
  .service-plans__card--recommended { transform: translateY(-.75rem); }
}

/* брейкпоинт 3: от 992px */
@media (min-width: 992px) {
  .metrics__grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .scenarios__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .scenarios__tile:nth-child(1), .scenarios__tile:nth-child(4) { min-height: 18rem; }
  .hero__content { padding-left: max(1.25rem, calc((100vw - var(--container)) / 2 + 1.25rem)); }
}

/* мобильная защита от переполнения */
@media (max-width: 575px) {
  .process__item { padding-left: 4rem; }
  .compatibility__slider [data-slider-prev], .compatibility__slider [data-slider-next] { display: none; }
  .btn { width: 100%; }
  .about-cta__actions { flex-direction: column; }
}