:root {
  --bg: #fafafa;
  --white: #fff;
  --gray: #f3f3f3;
  --ink: #333;
  --ink-strong: #212121;
  --bar: #202020;
  --footer: #1a232c;
  --cyan: #007fa6;
  --cyan-deep: #00556a;
  --step-1: #00a5cd;
  --step-2: #0082a2;
  --step-3: #00556a;
  --step-4: #003441;
  --red: #e23a47;
  --line: #e2e2e2;
  --dark: #2a2a2a;
  --container: 1170px;
  --header: 100px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 14px/20px Roboto, sans-serif;
}
img { max-width: 100%; display: block; }
a { color: var(--cyan); }
button, input, select, textarea { font: inherit; }
h1, h2, h3, p { margin: 0; }

.container { width: min(var(--container), calc(100% - 30px)); margin-inline: auto; }
.center { text-align: center; }

.promo {
  background: var(--bar);
  color: #fff;
  text-align: center;
  font-size: 21px;
  line-height: 43px;
  height: 43px;
}
.promo a { color: #fff; text-decoration: none; }

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--white);
  height: var(--header);
  border-bottom: 1px solid var(--line);
}
.header__row {
  height: 100%;
  display: grid;
  grid-template-columns: 220px 1fr auto;
  align-items: center;
  gap: 16px;
}
.logo { display: flex; align-items: center; gap: 8px; text-decoration: none; color: var(--ink-strong); }
.logo img { width: 36px; height: 36px; object-fit: contain; background: #fff; }
.logo__name { font-size: 22px; font-weight: 500; letter-spacing: 0.04em; }
.header__brand { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.nav { display: flex; justify-content: center; gap: 22px; align-items: center; }
.nav a { color: var(--ink-strong); text-decoration: none; font-size: 18px; }
.nav a:hover, .nav a:focus-visible { color: var(--cyan); }
.nav__drop { position: relative; }
.nav__panel {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: #fff;
  border: 1px solid var(--line);
  padding: 8px 0;
  z-index: 5;
}
.nav__drop:hover .nav__panel, .nav__drop:focus-within .nav__panel { display: block; }
.nav__panel a { display: block; padding: 8px 16px; font-size: 15px; }
.header__contacts { text-align: right; font-size: 14px; }
.header__contacts a { color: var(--ink-strong); text-decoration: none; display: block; }
.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  width: 44px;
  height: 44px;
  font-size: 22px;
}

.btn {
  display: inline-block;
  background: var(--cyan);
  color: #fff;
  text-decoration: none;
  text-transform: uppercase;
  padding: 16px 30px;
  border-radius: 2px;
  border: 0;
  cursor: pointer;
  font-size: 16px;
}
.btn:hover, .btn:focus-visible { background: var(--cyan-deep); }
.btn--red { background: var(--red); }
.btn--red:hover, .btn--red:focus-visible { background: #c42e3a; }
.btn--small { padding: 12px 26px; font-size: 13px; border-radius: 1.5px; }
.btn--block { display: block; text-align: center; }

.hero {
  min-height: 546px;
  display: grid;
  place-items: center;
  text-align: center;
  color: #fff;
  background: #1c242b center/cover no-repeat;
  padding: 48px 16px;
}
.hero h1 { font-size: 36px; font-weight: 500; line-height: 1.15; max-width: 920px; }
.hero__sub { font-size: 22px; margin-top: 8px; }
.hero__dots { margin: 18px 0; font-size: 16px; }
.hero__actions { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.hero__link { color: #fff; }

.section { padding: 56px 0; }
.section--gray { background: var(--gray); }
.section--white { background: var(--white); }
.section h2 { color: var(--cyan); font-size: 24px; font-weight: 400; text-align: center; margin-bottom: 28px; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); color: #fff; text-align: center; }
.steps a, .steps div {
  min-height: 150px;
  display: grid;
  place-items: center;
  padding: 16px;
  color: #fff;
  text-decoration: none;
  font-size: 16px;
}
.steps span {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 2px solid #fff;
  border-radius: 50%;
  margin-bottom: 8px;
}
.s1 { background: var(--step-1); }
.s2 { background: var(--step-2); }
.s3 { background: var(--step-3); }
.s4 { background: var(--step-4); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
.icon-rows { display: grid; gap: 10px; margin-top: 16px; }
.icon-rows a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink-strong);
  text-decoration: none;
  padding: 14px 16px;
}
.icon-rows a:hover { border-color: var(--cyan); }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.card { background: #fff; color: inherit; text-decoration: none; }
.card img { width: 100%; aspect-ratio: 3/2; object-fit: cover; }
.card h3 { color: var(--cyan); font-size: 18px; font-weight: 400; margin: 12px 16px 8px; text-decoration: underline; }
.card p { margin: 0 16px 16px; }

.cta-band { text-align: center; }
.cta-band p { margin: 8px 0 16px; }

.benefits { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.benefits h3 { font-size: 16px; font-weight: 400; line-height: 1.4; }
.benefits svg { width: 48px; height: 48px; stroke: var(--cyan); fill: none; margin-bottom: 8px; }

.carousel { display: flex; align-items: center; gap: 8px; }
.carousel__view { overflow: hidden; flex: 1; }
.carousel__track { display: flex; gap: 24px; transition: transform 300ms ease; }
.tile, .quote {
  flex: 0 0 180px;
  min-height: 80px;
  display: grid;
  place-items: center;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink-strong);
  font-weight: 500;
}
.quote { flex-basis: 100%; text-align: left; padding: 16px; display: block; }
.quote p { margin-bottom: 8px; }
.carousel__btn {
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  font-size: 28px;
  color: #aaa;
  cursor: pointer;
}

.band-dark {
  background: #243038 center/cover no-repeat;
  color: #fff;
  text-align: center;
  padding: 28px 16px;
}
.band-dark h2 { color: #fff; margin: 0; }
.work { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; padding-top: 24px; }
.work figure { margin: 0; }
.work img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.work figcaption { font-size: 12px; text-transform: uppercase; margin-top: 8px; line-height: 1.3; }

.resources { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.resources ul { margin: 0; padding: 0; list-style: none; }
.resources li { padding: 8px 0; border-bottom: 1px solid var(--line); }
.resources a { color: var(--ink-strong); text-decoration: none; }
.resources .btn { margin-top: 12px; }

.footer { background: var(--footer); color: #fff; padding: 36px 0; }
.footer a { color: #fff; text-decoration: none; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 24px; }
.footer__phone { font-size: 22px; }
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin: 6px 0; }

.menu-open .nav {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: var(--header);
  left: 0;
  right: 0;
  background: #fff;
  padding: 12px 16px 20px;
  align-items: flex-start;
  border-bottom: 1px solid var(--line);
}
.menu-open .nav__panel { position: static; display: block; border: 0; }

.crumbs { font-size: 12px; color: #888; text-transform: uppercase; margin: 16px 0; }
.crumbs a { color: #888; text-decoration: none; }
.page-title { color: var(--cyan); font-size: 32px; font-weight: 400; margin: 8px 0 24px; }
.prose { max-width: 800px; }
.prose p, .prose li { margin: 0 0 12px; }
.prose h2 { text-align: left; }
.prose h3 { font-size: 18px; font-weight: 400; margin: 18px 0 8px; }
.three-col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.notice { border: 1px solid var(--cyan); padding: 16px; margin-bottom: 24px; }
.form { display: grid; gap: 12px; max-width: 720px; }
.form label { display: grid; gap: 4px; }
.form input, .form select, .form textarea { border: 1px solid var(--line); padding: 10px; background: #fff; }
.form .groups { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.thanks { display: none; }
.form.is-done .fields { display: none; }
.form.is-done .thanks { display: block; }
.rows { display: grid; gap: 12px; }
.rows a, .rows div { display: flex; justify-content: space-between; gap: 16px; background: #fff; border: 1px solid var(--line); padding: 14px 16px; color: inherit; text-decoration: none; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.pills button { border: 1px solid var(--cyan); background: #fff; color: var(--cyan); border-radius: 20px; padding: 8px 14px; cursor: pointer; }
.pills button.is-on { background: var(--cyan); color: #fff; }
.post-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.post-cards article { background: #fff; border: 1px solid var(--line); }
.post-cards img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.post-cards h2 { text-align: left; font-size: 18px; margin: 12px 12px 8px; }
.post-cards p { margin: 0 12px 12px; }
.layout-article { display: grid; grid-template-columns: 1fr 280px; gap: 32px; }
.rail a { display: block; margin-bottom: 12px; color: var(--ink-strong); }
.shapes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.shapes button { border: 1px solid var(--line); background: #fff; padding: 16px 8px; cursor: pointer; }
.shapes button.is-on { border-color: var(--cyan); }
.banner { display: flex; justify-content: space-between; align-items: center; gap: 16px; border: 1px solid var(--cyan); padding: 24px; margin-top: 28px; background: #eef6f9; }

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.card, .icon-rows a, .rows a {
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}
.card:hover, .icon-rows a:hover, .rows a:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,.08);
}
.btn { transition: background-color 160ms ease, transform 160ms ease; }
.btn:active { transform: translateY(1px); }
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 420ms ease, transform 420ms ease;
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal, .card, .icon-rows a, .rows a, .btn, .carousel__track { transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 991px) {
  .promo { display: none; }
  .header { background: var(--bar); height: auto; }
  .header__row { grid-template-columns: auto 1fr auto; height: auto; padding: 10px 0; }
  .logo, .header__contacts a { color: #fff; }
  .logo img { background: #fff; }
  .header__brand .btn { display: none; }
  .nav { display: none; }
  .nav-toggle { display: block; color: #fff; }
  .header__contacts { font-size: 12px; }
  .steps, .cards, .benefits, .work, .resources, .split, .footer__grid, .three-col, .two-col, .post-cards, .layout-article, .form .groups, .shapes { grid-template-columns: 1fr; }
  .hero { min-height: 0; }
  .hero h1 { font-size: 26px; }
  .steps a, .steps div { min-height: 88px; }
}

.resources > div { display: flex; flex-direction: column; }
.resources ul { flex: 1; }
[data-calc] .page-title { line-height: 1.2; }
[data-calc] > .container > p { margin: 16px 0; }
.contact-map { min-width: 0; }
.contact-map iframe { display: block; width: 100%; height: 380px; border: 0; margin-bottom: 12px; }
[data-calc] > .container > h2 { margin: 36px 0 20px; }
.calc-dimensions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; max-width: 640px; }
[data-calc] label { display: grid; gap: 10px; max-width: 240px; }
[data-calc] input { width: 100%; min-width: 0; border: 1px solid var(--line); padding: 12px; background: #fff; font: inherit; }
@media (max-width: 640px) {
  .calc-dimensions { grid-template-columns: 1fr; }
  [data-calc] label { max-width: none; }
  .contact-map iframe { height: 320px; }
}