:root {
  --ink: #172238;
  --muted: #647087;
  --accent: #2f62de;
  --line: #e0e6ef;
  --navy: #101a2c;
  --paper: #f4f6fa;
  color: var(--ink);
  background: #fff;
  font: 16px/1.7 "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}
* { box-sizing: border-box; }
body, h1, h2, h3, p, ul { margin: 0; }
a { color: inherit; text-decoration: none; }
a:focus-visible, summary:focus-visible { outline: 3px solid #789cf5; outline-offset: 5px; }
img { display: block; max-width: 100%; }
.container { width: min(1180px, calc(100% - 96px)); margin-inline: auto; }
.skip { position: absolute; z-index: 5; top: -80px; left: 16px; padding: 8px 16px; background: #fff; }
.skip:focus { top: 8px; }
.site-header { background: #fff; }
.header-inner, .brand, nav { display: flex; align-items: center; }
.header-inner { justify-content: space-between; min-height: 82px; gap: 24px; }
.brand { gap: 11px; flex-shrink: 0; }
.brand strong { display: block; font-size: 23px; line-height: 1.25; letter-spacing: .07em; }
.brand small { display: block; font-size: 8px; font-weight: 650; letter-spacing: 1.7px; margin-top: 3px; }
nav { gap: 34px; font-size: 14px; }
nav a:hover { color: var(--accent); }
.nav-contact { display: flex; align-items: center; gap: 17px; margin-left: 6px; border: 1px solid var(--line); padding: 9px 16px; border-radius: 4px; }
.nav-contact span { color: var(--accent); }
.hero { background: var(--navy); color: #fff; position: relative; overflow: hidden; isolation: isolate; }
.hero-image { position: absolute; z-index: -2; inset: 0 0 0 auto; width: 84%; height: 100%; object-fit: cover; object-position: 65% 50%; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, #101a2c 0%, rgba(16,26,44,.98) 21%, rgba(16,26,44,.77) 40%, rgba(16,26,44,.08) 66%, rgba(16,26,44,.05)); }
.hero-inner { min-height: 514px; position: relative; display: flex; align-items: center; padding-block: 65px 83px; }
.hero-copy { max-width: 550px; }
.eyebrow { color: var(--accent); font-size: 11px; font-weight: 650; letter-spacing: 1.8px; line-height: 1.5; }
.eyebrow.light { color: #afbed7; }
.hero .eyebrow { display: flex; align-items: center; gap: 12px; font-size: 12px; letter-spacing: 2px; }
.hero .eyebrow > span { display: block; width: 24px; height: 2px; background: #80a3ff; }
.hero h1 { margin-top: 24px; font-size: clamp(43px, 4.7vw, 66px); line-height: 1.23; font-weight: 650; letter-spacing: -.03em; }
.hero-lead { max-width: 445px; margin-top: 21px; font-size: 15px; line-height: 1.95; color: #c2ccdc; }
.hero-actions { display: flex; align-items: center; gap: 30px; margin-top: 27px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 28px; border-radius: 4px; padding: 12px 18px; font-size: 14px; font-weight: 600; }
.button-white { background: #fff; color: #172238; }
.button-white:hover { background: #e1eafa; }
.hero-contact { font-size: 14px; color: #fff; }
.hero-contact span { margin-left: 12px; color: #9db9fd; }
.hero-caption { position: absolute; right: 0; bottom: 27px; color: #a3b3ca; font-size: 9px; letter-spacing: 2.3px; }
.section { padding-block: 76px; }
.services-section { background: var(--paper); }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 26px; margin-bottom: 31px; }
h2 { font-size: clamp(29px, 2.8vw, 38px); font-weight: 650; line-height: 1.45; letter-spacing: -.03em; }
.section-heading h2, .about-copy h2 { margin-top: 9px; }
.section-note { color: var(--muted); font-size: 14px; line-height: 1.8; }
.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.service-card { background: #fff; border: 1px solid var(--line); border-radius: 7px; padding: 29px 27px 20px; display: flex; flex-direction: column; transition: transform .2s, border-color .2s, box-shadow .2s; }
.service-card:hover { border-color: #a8bff0; box-shadow: 0 12px 28px #142d5b0c; transform: translateY(-4px); }
.card-top { display: flex; align-items: center; justify-content: space-between; gap: 15px; }
.service-icon { width: 38px; height: 38px; color: var(--accent); }
.card-number { font: 12px/1.5 ui-monospace, monospace; color: #8e99aa; }
.service-card h3 { font-size: 24px; line-height: 1.4; font-weight: 650; margin-top: 25px; }
.service-card p { color: var(--muted); font-size: 14px; line-height: 1.95; margin: 12px 0 26px; }
.card-bottom { margin-top: auto; padding-top: 16px; border-top: 1px solid #edf0f5; display: flex; align-items: center; justify-content: space-between; gap: 12px; color: #78849a; font-size: 12px; }
.card-arrow { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; background: #f0f4fc; color: var(--accent); font-size: 18px; }
.about-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px 84px; align-items: start; }
.about-text { color: var(--muted); margin-top: 21px; font-size: 15px; line-height: 1.95; }
.qualification { font-size: 13px; color: #3f526e; margin-top: 20px; display: flex; gap: 10px; align-items: center; }
.qualification span { color: var(--accent); font-size: 17px; }
.company-facts { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.fact { padding: 21px 15px 24px; display: flex; flex-direction: column; border-bottom: 1px solid var(--line); }
.fact:first-child { padding-left: 0; border-right: 1px solid var(--line); }
.fact span { font-size: 13px; color: var(--muted); }
.fact strong { font-size: clamp(31px, 3vw, 43px); line-height: 1.3; font-weight: 600; letter-spacing: -.04em; margin: 10px 0 3px; }
.fact small { font-size: 11px; color: #8b95a6; }
.fact-wide { grid-column: 1 / -1; padding-left: 0; flex-direction: row; align-items: center; justify-content: space-between; }
.fact-wide strong { font-size: 27px; margin: 0; }
.software-list { grid-column: 1 / -1; border-block: 1px solid var(--line); }
.software-list summary { display: flex; justify-content: space-between; align-items: center; padding-block: 16px; cursor: pointer; font-size: 15px; list-style: none; }
.software-list summary::-webkit-details-marker { display: none; }
.summary-side { color: var(--muted); display: flex; gap: 27px; font-size: 12px; }
.software-list[open] .summary-side > span { transform: rotate(45deg); }
.software-list ul { display: grid; grid-template-columns: 1fr 1fr; gap: 0 36px; list-style: none; padding: 0 0 20px; }
.software-list li a { display: flex; gap: 16px; justify-content: space-between; font-size: 13px; padding-block: 10px; color: #52637d; }
.software-list li a:hover { color: var(--accent); }
footer { background: var(--navy); color: #fff; }
.contact-panel { padding-block: 53px; display: grid; grid-template-columns: 1.1fr 1fr; gap: 30px 84px; align-items: center; }
.contact-panel h2 { font-size: clamp(27px, 2.6vw, 36px); margin-top: 9px; }
.cooperation { font-size: 13px; color: #9faec6; margin-top: 14px; }
.contact-label { font-size: 12px; color: #9faec6; }
.phone { display: flex; justify-content: space-between; align-items: center; gap: 18px; font-size: clamp(26px, 3.1vw, 39px); font-weight: 500; letter-spacing: -.025em; margin-block: 2px 9px; }
.phone > span { color: #8caefc; font-size: 28px; }
.contact-info p { font-size: 13px; color: #aab8cd; }
.footer-bottom { padding-block: 21px; border-top: 1px solid #2d374a; display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 11px; color: #93a2b9; }
.footer-bottom > a:last-child { margin-left: auto; }
.article { max-width: 900px; padding-block: 35px 70px; }
.back { display: inline-block; color: var(--muted); font-size: 13px; margin-bottom: 38px; }
.back:hover, .text-link { color: var(--accent); }
.article-header { padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.article h1 { font-size: clamp(32px, 4vw, 49px); font-weight: 650; margin-top: 10px; }
.article-lead { color: var(--muted); font-size: 18px; margin-top: 14px; }
.article-image { width: 100%; max-height: 430px; object-fit: cover; margin-top: 28px; }
.article-content p { margin-top: 25px; line-height: 2; color: #46556d; font-size: 16px; }
.text-link { display: inline-flex; align-items: center; gap: 20px; font-size: 14px; margin-top: 32px; }
@media (max-width: 1000px) {
  .container { width: calc(100% - 64px); }
  nav { gap: 24px; }
  .hero-inner { min-height: 485px; }
  .hero h1 { font-size: 52px; }
  .hero-copy { max-width: 460px; }
  .service-card { padding: 24px 21px 18px; }
  .about-grid, .contact-panel { column-gap: 48px; }
}
@media (max-width: 760px) {
  .container { width: calc(100% - 44px); }
  .header-inner { min-height: 75px; gap: 14px; }
  .brand strong { font-size: 21px; }
  nav { gap: 20px; font-size: 13px; }
  .nav-contact { gap: 10px; margin: 0; padding: 8px 12px; }
  .hero-inner { min-height: 470px; padding-block: 50px 70px; }
  .hero h1 { font-size: 48px; }
  .hero-copy { max-width: 420px; }
  .hero::after { background: linear-gradient(90deg, #101a2c 0%, #101a2ce8 36%, #101a2c55 85%); }
  .hero-image { width: 100%; object-position: 62% 50%; }
  .section { padding-block: 52px; }
  .section-heading { align-items: flex-start; }
  .section-note { font-size: 12px; }
  .service-grid { gap: 12px; }
  .service-card { padding: 22px 17px 16px; }
  .service-card h3 { font-size: 21px; }
  .service-card p { font-size: 13px; }
  .service-icon { width: 32px; height: 32px; }
  .about-grid { gap: 30px; }
  .about-copy h2 { font-size: 27px; }
  .about-text { font-size: 14px; }
  .contact-panel { gap: 30px; }
  .phone { font-size: 28px; }
}
@media (max-width: 590px) {
  .container { width: calc(100% - 40px); }
  .header-inner { min-height: 68px; }
  .brand { gap: 8px; }
  .brand img { width: 33px; height: 33px; }
  .brand strong { font-size: 20px; }
  .brand small { font-size: 7px; letter-spacing: 1.25px; }
  nav { gap: 17px; }
  .nav-contact { border: 0; padding: 0; }
  .nav-contact span { display: none; }
  nav > a:nth-child(2) { display: none; }
  .hero-inner { min-height: 477px; padding-block: 48px 70px; }
  .hero h1 { font-size: clamp(37px, 10vw, 47px); margin-top: 24px; }
  .hero .eyebrow { font-size: 10px; letter-spacing: 1px; }
  .hero-image { width: 145%; max-width: none; object-position: 70% 50%; opacity: .68; }
  .hero::after { background: linear-gradient(90deg, #101a2cf5, #101a2cbf 75%, #101a2c70); }
  .hero-lead { font-size: 14px; line-height: 1.9; max-width: 330px; }
  .hero-actions { gap: 23px; margin-top: 26px; }
  .button { padding: 11px 15px; gap: 20px; font-size: 13px; }
  .hero-contact { font-size: 13px; }
  .hero-caption { right: auto; left: 0; bottom: 25px; font-size: 8px; letter-spacing: 1.5px; }
  .section { padding-block: 43px; }
  .section-heading { display: block; margin-bottom: 22px; }
  h2 { font-size: 28px; }
  .section-note { margin-top: 10px; }
  .section-note br { display: none; }
  .service-grid { grid-template-columns: 1fr; gap: 14px; }
  .service-card { padding: 24px 24px 19px; }
  .service-icon { width: 35px; height: 35px; }
  .service-card h3 { margin-top: 20px; font-size: 24px; }
  .service-card p { font-size: 14px; margin-bottom: 20px; }
  .about-grid { grid-template-columns: 1fr; gap: 30px; }
  .about-copy h2 { font-size: 29px; }
  .company-facts { margin-top: 3px; }
  .fact strong { font-size: 40px; }
  .fact-wide strong { font-size: 27px; }
  .software-list { margin-top: 0; }
  .summary-side { gap: 10px; font-size: 11px; }
  .software-list ul { grid-template-columns: 1fr; }
  .contact-panel { grid-template-columns: 1fr; gap: 27px; padding-block: 40px; }
  .contact-panel h2 { font-size: 29px; }
  .phone { font-size: 32px; max-width: 390px; }
  .contact-info p, .cooperation { font-size: 12px; }
  .footer-bottom { font-size: 10px; padding-block: 17px; }
}
@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
  .service-card { transition: none; }
}