:root {
  --ink: #101d2f;
  --muted: #5b6878;
  --line: #dce5ec;
  --paper: #ffffff;
  --mist: #f3f7fa;
  --blue: #0b5c8f;
  --blue-dark: #073b5d;
  --ice: #d9edf7;
  --orange: #f27a35;
  --orange-dark: #d95c17;
  --green: #19734a;
  --shadow: 0 22px 65px rgba(17, 44, 66, .14);
  --radius: 26px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
img { display: block; max-width: 100%; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.eyebrow { margin: 0 0 14px; color: var(--blue); font-size: .79rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; font-family: Manrope, Inter, Arial, sans-serif; line-height: 1.12; letter-spacing: -.035em; }
h1 { max-width: 780px; margin-bottom: 22px; font-size: clamp(2.6rem, 5.4vw, 5.1rem); }
h2 { margin-bottom: 18px; font-size: clamp(2rem, 3.4vw, 3.35rem); }
h3 { margin-bottom: 10px; font-size: 1.25rem; }
p { margin-top: 0; }
.section { padding: 104px 0; }
.section--mist { background: var(--mist); }
.section-head { max-width: 700px; margin-bottom: 42px; }
.section-head p:last-child { color: var(--muted); font-size: 1.08rem; }

.topline { background: var(--blue-dark); color: #fff; font-size: .88rem; }
.topline__inner { min-height: 36px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.topline__note { display: flex; align-items: center; gap: 8px; }
.topline__dot { width: 7px; height: 7px; border-radius: 50%; background: #79d4a5; box-shadow: 0 0 0 5px rgba(121,212,165,.14); }
.topline a { font-weight: 700; }
.header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(220,229,236,.85); background: rgba(255,255,255,.94); backdrop-filter: blur(16px); }
.header__inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 250px; }
.brand__mark { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 13px; color: #fff; background: var(--blue); box-shadow: 0 9px 22px rgba(11,92,143,.25); }
.brand__text { font-family: Manrope, Inter, Arial, sans-serif; font-size: .94rem; font-weight: 800; line-height: 1.18; }
.brand__text small { display: block; margin-top: 3px; color: var(--muted); font-family: Inter, Arial, sans-serif; font-size: .7rem; font-weight: 600; letter-spacing: .04em; }
.nav { display: flex; align-items: center; gap: 25px; color: #344558; font-size: .91rem; font-weight: 700; }
.nav a { transition: color .2s ease; }
.nav a:hover { color: var(--blue); }
.header__actions { display: flex; align-items: center; gap: 10px; }
.menu-btn { display: none; width: 44px; height: 44px; padding: 0; border: 1px solid var(--line); border-radius: 13px; background: #fff; color: var(--ink); }

.btn { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 0 21px; border: 0; border-radius: 14px; font-weight: 800; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn--primary { color: #fff; background: var(--orange); box-shadow: 0 13px 26px rgba(242,122,53,.26); }
.btn--primary:hover { background: var(--orange-dark); }
.btn--secondary { color: var(--blue-dark); background: #fff; border: 1px solid var(--line); }
.btn--blue { color: #fff; background: var(--blue); box-shadow: 0 13px 26px rgba(11,92,143,.22); }
.btn--small { min-height: 44px; padding: 0 17px; font-size: .9rem; }
.icon { width: 20px; height: 20px; flex: 0 0 auto; }

.hero { position: relative; min-height: 780px; overflow: hidden; color: #fff; background: #092c44; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6,38,60,.93) 0%, rgba(7,54,81,.86) 34%, rgba(5,39,59,.70) 52%, rgba(5,35,53,.14) 72%, rgba(4,26,41,.08) 100%); z-index: 1; pointer-events: none; }
.hero::after { content: ""; position: absolute; inset: 0 48% 0 0; opacity: .12; background-image: radial-gradient(rgba(255,255,255,.4) .7px, transparent .7px); background-size: 14px 14px; z-index: 1; pointer-events: none; }
.hero__media { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; overflow: hidden; background: #183e56; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: center; filter: saturate(.9) contrast(1.03); }
.hero__inner { position: relative; z-index: 2; min-height: 780px; display: grid; align-content: center; padding-top: 62px; padding-bottom: 76px; }
.hero__copy { width: min(620px, 49%); }
.hero .eyebrow { color: #9ed8f3; }
.hero h1 { max-width: 610px; font-size: clamp(2.75rem, 4.7vw, 4.75rem); text-shadow: 0 3px 24px rgba(1,20,33,.42); }
.hero__lead { max-width: 600px; margin-bottom: 27px; color: rgba(255,255,255,.86); font-size: clamp(1rem, 1.4vw, 1.16rem); text-shadow: 0 2px 14px rgba(1,20,33,.36); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__proofs { max-width: 600px; margin-top: 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.hero__proof { min-height: 77px; padding: 13px 15px; border: 1px solid rgba(255,255,255,.12); border-radius: 14px; background: rgba(255,255,255,.07); backdrop-filter: blur(9px); }
.hero__proof strong { display: block; margin-bottom: 2px; font-family: Manrope, sans-serif; font-size: 1rem; }
.hero__proof span { display: block; color: rgba(255,255,255,.63); font-size: .76rem; line-height: 1.35; }
.hero__photo-credit { position: absolute; right: 18px; bottom: 8px; z-index: 3; color: rgba(255,255,255,.55); font-size: .64rem; }
.hero__photo-credit:hover { color: #fff; }

.service-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.service-card { grid-column: span 2; }
.service-card { min-height: 330px; padding: 30px; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 14px 45px rgba(25,52,75,.07); transition: transform .25s ease, box-shadow .25s ease; }
.service-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.service-card__icon { width: 58px; height: 58px; margin-bottom: 25px; display: grid; place-items: center; border-radius: 17px; color: var(--blue); background: var(--ice); }
.service-card p { color: var(--muted); }
.service-card ul { padding: 0; margin: auto 0 0; list-style: none; }
.service-card li { position: relative; margin-top: 10px; padding-left: 21px; font-size: .92rem; }
.service-card li::before { content: ""; position: absolute; left: 0; top: .62em; width: 7px; height: 7px; border-radius: 50%; background: var(--orange); }

.advantages { display: grid; grid-template-columns: .9fr 1.1fr; align-items: stretch; gap: 38px; }
.adv-lead { padding: 44px; border-radius: var(--radius); color: #fff; background: var(--blue-dark); overflow: hidden; position: relative; }
.adv-lead::after { content: "СБС"; position: absolute; right: -10px; bottom: -50px; color: rgba(255,255,255,.06); font-family: Manrope, sans-serif; font-size: 8rem; font-weight: 900; }
.adv-lead .eyebrow { color: #8fd4f2; }
.adv-lead p:last-of-type { color: rgba(255,255,255,.75); }
.adv-stats { position: relative; z-index: 1; margin-top: 38px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.adv-stat { padding: 19px; border: 1px solid rgba(255,255,255,.13); border-radius: 16px; background: rgba(255,255,255,.07); }
.adv-stat strong { display: block; margin-bottom: 3px; font-family: Manrope, sans-serif; font-size: 1.3rem; }
.adv-stat span { color: rgba(255,255,255,.67); font-size: .82rem; }
.adv-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.adv-item { padding: 27px; border: 1px solid var(--line); border-radius: 21px; background: #fff; }
.adv-item__icon { width: 43px; height: 43px; margin-bottom: 18px; display: grid; place-items: center; border-radius: 13px; color: var(--green); background: #e6f5ed; }
.adv-item p { margin: 0; color: var(--muted); font-size: .92rem; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: work; }
.step { position: relative; padding: 29px 25px; border-top: 3px solid var(--blue); border-radius: 0 0 20px 20px; background: #fff; box-shadow: 0 13px 40px rgba(21,50,72,.06); counter-increment: work; }
.step::before { content: "0" counter(work); display: block; margin-bottom: 35px; color: var(--blue); font-family: Manrope, sans-serif; font-size: .83rem; font-weight: 900; letter-spacing: .12em; }
.step:not(:last-child)::after { content: ""; position: absolute; right: -13px; top: 53px; z-index: 2; width: 24px; height: 2px; background: var(--line); }
.step p { margin: 0; color: var(--muted); font-size: .91rem; }

.benefit-band { padding: 0 0 104px; background: var(--mist); }
.benefit-card { padding: 54px; display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 45px; border-radius: 30px; color: #fff; background: linear-gradient(135deg, #0b5c8f, #073b5d); box-shadow: var(--shadow); }
.benefit-card .eyebrow { color: #a6dcf4; }
.benefit-card p { color: rgba(255,255,255,.78); }
.benefit-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.benefit-tag { padding: 11px 15px; border: 1px solid rgba(255,255,255,.16); border-radius: 999px; color: #fff; background: rgba(255,255,255,.08); font-weight: 700; font-size: .9rem; }
.benefit-note { padding: 26px; border-radius: 20px; color: var(--ink); background: #fff; }
.benefit-note strong { display: block; margin-bottom: 7px; font-family: Manrope, sans-serif; font-size: 1.2rem; }
.benefit-note p { margin: 0; color: var(--muted); font-size: .91rem; }

.warranty { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 70px; }
.warranty__visual { min-height: 435px; display: grid; place-items: center; position: relative; border-radius: 30px; background: var(--mist); overflow: hidden; }
.warranty__ring { width: 280px; height: 280px; display: grid; place-items: center; position: relative; border: 1px solid #bdd8e7; border-radius: 50%; }
.warranty__ring::before, .warranty__ring::after { content: ""; position: absolute; border-radius: 50%; border: 1px solid #d7e7ef; }
.warranty__ring::before { width: 360px; height: 360px; }
.warranty__ring::after { width: 440px; height: 440px; }
.warranty__seal { width: 168px; height: 168px; display: grid; place-items: center; text-align: center; border-radius: 50%; color: #fff; background: var(--blue); box-shadow: 0 22px 50px rgba(11,92,143,.3); }
.warranty__seal strong { display: block; font-family: Manrope, sans-serif; font-size: 1.28rem; line-height: 1.05; }
.warranty__seal small { display: block; margin-top: 7px; font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; }
.warranty__list { margin: 28px 0 32px; padding: 0; list-style: none; }
.warranty__list li { margin: 14px 0; display: flex; align-items: flex-start; gap: 11px; }
.warranty__check { width: 24px; height: 24px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; color: var(--green); background: #e6f5ed; }

.request { color: #fff; background: #0b2639; }
.request-grid { display: grid; grid-template-columns: .86fr 1.14fr; gap: 70px; align-items: start; }
.request .eyebrow { color: #8fd4f2; }
.request-copy > p:not(.eyebrow) { color: rgba(255,255,255,.68); font-size: 1.05rem; }
.contact-mini { margin-top: 40px; display: grid; gap: 15px; }
.contact-mini__item { display: flex; align-items: center; gap: 13px; }
.contact-mini__icon { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 13px; color: #9bdcf5; background: rgba(255,255,255,.08); }
.contact-mini__item span { display: block; color: rgba(255,255,255,.55); font-size: .76rem; }
.contact-mini__item strong { display: block; margin-top: 1px; }
.form { padding: 34px; border-radius: 25px; color: var(--ink); background: #fff; box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: .84rem; font-weight: 800; }
.field input, .field select, .field textarea { width: 100%; min-height: 52px; padding: 0 15px; border: 1px solid var(--line); border-radius: 13px; outline: none; color: var(--ink); background: #fff; transition: border .2s, box-shadow .2s; }
.field textarea { min-height: 100px; padding-top: 13px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(11,92,143,.1); }
.form__foot { margin-top: 20px; display: flex; align-items: center; gap: 17px; }
.form__foot .btn { flex: 0 0 auto; }
.form__fine { margin: 0; color: var(--muted); font-size: .76rem; line-height: 1.4; }
.form__message { display: none; margin: 18px 0 0; padding: 14px 16px; border-radius: 12px; color: #145d3d; background: #e6f5ed; font-size: .9rem; font-weight: 700; }
.form__message.show { display: block; }

.contacts { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: start; }
.contact-list { margin-top: 34px; display: grid; gap: 22px; }
.contact-row { display: flex; gap: 15px; }.contact-row > div { min-width: 0; }
.contact-row__icon { width: 45px; height: 45px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 14px; color: var(--blue); background: var(--ice); }
.contact-row span { display: block; color: var(--muted); font-size: .8rem; }
.contact-row strong { display: block; margin-top: 3px; font-size: 1.04rem; }.contact-row a { overflow-wrap: anywhere; }
.coverage { min-height: 365px; padding: 35px; position: relative; display: flex; flex-direction: column; justify-content: flex-end; border-radius: 28px; color: #fff; background: linear-gradient(135deg, rgba(7,59,93,.97), rgba(11,92,143,.86)), repeating-linear-gradient(45deg, transparent 0 24px, rgba(255,255,255,.06) 25px 26px); overflow: hidden; }
.coverage::before { content: ""; position: absolute; width: 260px; height: 260px; top: -55px; right: -25px; border: 1px solid rgba(255,255,255,.17); border-radius: 50%; box-shadow: 0 0 0 43px rgba(255,255,255,.035), 0 0 0 86px rgba(255,255,255,.025); }
.coverage__pin { width: 58px; height: 58px; display: grid; place-items: center; position: absolute; top: 82px; right: 83px; border-radius: 50% 50% 50% 0; color: var(--blue); background: #fff; transform: rotate(-45deg); box-shadow: 0 18px 38px rgba(0,0,0,.2); }
.coverage__pin svg { transform: rotate(45deg); }
.coverage h3, .coverage p { position: relative; z-index: 1; }
.coverage h3 { font-size: 1.75rem; }
.coverage p { max-width: 390px; margin: 0; color: rgba(255,255,255,.73); }

.footer { padding: 30px 0 92px; border-top: 1px solid var(--line); }
.footer__inner { display: flex; justify-content: space-between; gap: 25px; color: var(--muted); font-size: .82rem; }
.mobile-bar { display: none; }

@media (max-width: 1040px) {
  .nav { display: none; }
  .menu-btn { display: grid; place-items: center; }
  .nav.open { display: flex; position: fixed; inset: 115px 20px auto; padding: 25px; flex-direction: column; align-items: stretch; border-radius: 20px; color: var(--ink); background: #fff; box-shadow: var(--shadow); }
  .hero { min-height: 730px; }
  .hero__inner { min-height: 730px; }
  .hero__copy { width: 56%; }
  .hero__media { inset: 0; width: 100%; }
  .hero__proofs { grid-template-columns: 1fr; max-width: 360px; }
  .hero__proof { min-height: 0; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .service-card { grid-column: auto; }
  .advantages { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .step::after { display: none; }
  .request-grid { gap: 40px; }
}

@media (max-width: 760px) {
  .container { width: min(100% - 28px, 1180px); }
  .section { padding: 75px 0; }
  .topline__inner { min-height: 34px; justify-content: center; }
  .topline__inner > a { display: none; }
  .header__inner { min-height: 68px; }
  .brand { min-width: 0; }
  .brand__mark { width: 38px; height: 38px; }
  .brand__text { font-size: .8rem; }
  .brand__text small { display: none; }
  .header__actions .btn { display: none; }
  .nav.open { inset: 103px 14px auto; }
  .hero { min-height: auto; }
  .hero::before { inset: 0 0 auto; height: 209px; background: linear-gradient(0deg, rgba(4,25,40,.45), rgba(5,32,49,.08)); }
  .hero::after { display: none; }
  .hero__media { position: relative; inset: auto; width: calc(100% - 28px); height: 195px; margin: 14px auto 0; border-radius: 20px; }
  .hero__media img { object-position: center; }
  .hero__inner { min-height: auto; padding-top: 44px; padding-bottom: 72px; align-content: start; }
  .hero__copy { width: 100%; }
  .hero h1 { font-size: clamp(2.35rem, 11vw, 3.55rem); }
  .hero__lead { font-size: 1rem; }
  .hero__actions { display: none; }
  .hero__proofs { grid-template-columns: 1fr 1fr; max-width: none; }
  .hero__proof { min-height: 83px; }
  .hero__photo-credit { right: 8px; top: 185px; bottom: auto; font-size: .52rem; }
  .service-grid, .adv-list, .steps, .benefit-card, .warranty, .request-grid, .contacts { grid-template-columns: 1fr; }
  .service-card, .service-card:nth-child(4), .service-card:nth-child(5) { min-height: auto; grid-column: auto; }
  .adv-lead { padding: 32px 26px; }
  .adv-item { padding: 24px; }
  .benefit-band { padding-bottom: 75px; }
  .benefit-card { padding: 36px 25px; gap: 26px; }
  .warranty { gap: 40px; }
  .warranty__visual { min-height: 340px; }
  .warranty__ring { width: 225px; height: 225px; }
  .warranty__ring::before { width: 290px; height: 290px; }
  .warranty__ring::after { display: none; }
  .form { padding: 25px 20px; }
  .form-grid { grid-template-columns: 1fr; }
  .field--full { grid-column: auto; }
  .form__foot { align-items: stretch; flex-direction: column; }
  .request-copy { padding-bottom: 5px; }
  .coverage { min-height: 0; padding-top: 130px; justify-content: flex-start; }  .coverage__pin { top: 38px; right: 38px; }
  .footer { padding-bottom: 100px; }
  .footer__inner { flex-direction: column; }
  .mobile-bar { position: fixed; left: 10px; right: 10px; bottom: 10px; z-index: 60; padding: 8px; display: grid; grid-template-columns: 1fr 1.25fr; gap: 8px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.94); box-shadow: 0 16px 45px rgba(12,39,59,.22); backdrop-filter: blur(14px); }
  .mobile-bar .btn { min-height: 48px; padding: 0 12px; font-size: .87rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}