:root {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: #071d35;
  background: #031426;
  font-synthesis: none;
  --navy-950: #031426;
  --navy-900: #061a31;
  --navy-800: #092541;
  --cyan: #18c7e8;
  --cyan-light: #6ee6f2;
  --blue: #196bff;
  --ink: #071d35;
  --muted: #65778a;
  --line: #dce5ec;
  --surface: #eef4f7;
  --white: #fff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: #fff; -webkit-font-smoothing: antialiased; }
body.modal-open { overflow: hidden; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid var(--cyan-light); outline-offset: 3px; }
img { display: block; max-width: 100%; }

.site-header {
  position: absolute;
  z-index: 50;
  inset: 0 0 auto;
  height: 88px;
  display: flex;
  align-items: center;
  gap: 30px;
  padding: 0 max(32px, calc((100vw - 1380px) / 2));
  color: #fff;
  background: rgba(3, 20, 38, .78);
  border-bottom: 1px solid rgba(255, 255, 255, .13);
  backdrop-filter: blur(15px);
}

.brand { flex: 0 0 auto; display: flex; align-items: center; }
.brand img { width: 184px; height: 58px; object-fit: contain; object-position: left center; }
.site-nav { flex: 1; display: flex; justify-content: center; align-items: center; gap: clamp(24px, 2.6vw, 42px); }
.site-nav a { position: relative; padding: 32px 0 29px; color: rgba(255, 255, 255, .72); font-size: 14px; text-decoration: none; white-space: nowrap; }
.site-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px; background: var(--cyan); transition: right 180ms ease; }
.site-nav a:hover, .site-nav a.active { color: #fff; }
.site-nav a:hover::after, .site-nav a.active::after { right: 0; }
.header-actions { display: flex; align-items: center; gap: 16px; }
.language-switch { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,.52); font-size: 12px; }
.language-switch a { color: inherit; text-decoration: none; }
.language-switch .active { color: var(--cyan-light); }
.header-cta, .button {
  border: 0;
  cursor: pointer;
  font-weight: 600;
}
.header-cta { min-height: 44px; padding: 0 20px; color: #fff; background: rgba(25,107,255,.45); border: 1px solid rgba(110,230,242,.8); transition: background 180ms ease; }
.header-cta:hover { background: var(--blue); }
.menu-toggle { display: none; min-width: 52px; height: 42px; padding: 0 10px; border: 1px solid rgba(255,255,255,.24); color: #fff; background: transparent; cursor: pointer; font-size: 12px; font-weight: 600; }
.mobile-nav { display: none; }

.channel-hero { position: relative; min-height: 610px; display: flex; align-items: flex-end; overflow: hidden; padding: 170px max(32px, calc((100vw - 1320px) / 2)) 94px; color: #fff; background: var(--navy-950); isolation: isolate; }
.channel-hero > img { position: absolute; z-index: -3; inset: 0 0 0 auto; width: 68%; height: 100%; object-fit: cover; object-position: center; }
.channel-hero::before { content: ""; position: absolute; z-index: -2; inset: 0; background: rgba(3,20,38,.35); box-shadow: inset 60vw 0 190px 30px var(--navy-950), inset 0 -95px 100px -55px var(--navy-950); }
.hero-content { position: relative; z-index: 1; max-width: 720px; }
.breadcrumb { display: flex; gap: 10px; margin-bottom: 28px; color: var(--cyan-light); font-size: 12px; }
.breadcrumb a { text-decoration: none; }
.channel-hero h1 { max-width: 760px; margin: 0; font-size: clamp(52px, 5.5vw, 78px); line-height: 1.12; letter-spacing: -.035em; }
.channel-hero .lead { max-width: 620px; margin: 28px 0 0; color: #b3c5d2; font-size: 18px; line-height: 1.9; }
.hero-actions { display: flex; gap: 16px; margin-top: 36px; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; padding: 0 28px; text-decoration: none; transition: transform 180ms ease, background 180ms ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { color: #fff; background: var(--blue); box-shadow: inset -70px 0 80px rgba(138,63,252,.55); }
.button.secondary { color: #fff; background: rgba(3,20,38,.5); border: 1px solid rgba(110,230,242,.68); }
.button.dark { color: #fff; background: var(--navy-950); }
.button.light { color: var(--ink); background: #fff; }

.trust-strip { min-height: 88px; display: grid; grid-template-columns: repeat(4, 1fr); padding: 0 max(32px, calc((100vw - 1380px) / 2)); background: #fff; border-bottom: 1px solid var(--line); }
.trust-strip span { display: flex; align-items: center; justify-content: center; padding: 18px; border-right: 1px solid var(--line); font-size: 13px; font-weight: 600; text-align: center; }
.trust-strip span:first-child { border-left: 1px solid var(--line); }
.trust-strip span::before { content: ""; width: 7px; height: 7px; margin-right: 10px; background: var(--cyan); border-radius: 50%; }

.section { padding: 106px max(32px, calc((100vw - 1320px) / 2)); }
.section.soft { background: var(--surface); }
.section.dark { color: #fff; background: var(--navy-950); }
.section.navy { color: #fff; background: var(--navy-800); }
.section-heading { max-width: 810px; }
.section-heading.wide { max-width: none; display: flex; align-items: flex-end; justify-content: space-between; gap: 60px; }
.section-heading h2 { margin: 0; font-size: clamp(36px, 3.3vw, 50px); line-height: 1.25; letter-spacing: -.028em; }
.section-heading p { max-width: 760px; margin: 22px 0 0; color: var(--muted); line-height: 1.9; }
.section.dark .section-heading p, .section.navy .section-heading p { color: #92a9ba; }
.section-heading.wide p { max-width: 580px; margin: 0; }
.section-note { display: inline-block; margin-bottom: 20px; color: var(--cyan); font-size: 12px; font-weight: 700; letter-spacing: .12em; }

.filter-row { margin-top: 46px; display: flex; flex-wrap: wrap; gap: 10px; }
.filter-row button { min-height: 42px; padding: 0 20px; border: 1px solid var(--line); color: var(--muted); background: #fff; cursor: pointer; }
.filter-row button:hover, .filter-row button.active { color: #fff; background: var(--ink); border-color: var(--ink); }
#case-list .filter-row { gap: 10px 12px; }
#case-list .filter-row button {
  min-height: 40px;
  padding: 0 18px;
  color: #aec0ce;
  background: rgba(255,255,255,.035);
  border-color: rgba(174,192,206,.28);
  border-radius: 999px;
  font-size: 13px;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}
#case-list .filter-row button:hover {
  color: #fff;
  background: rgba(110,230,242,.08);
  border-color: rgba(110,230,242,.55);
}
#case-list .filter-row button.active {
  color: #eaffff;
  background: rgba(24,199,232,.14);
  border-color: rgba(110,230,242,.8);
  box-shadow: inset 0 0 0 1px rgba(110,230,242,.12), 0 6px 18px rgba(0,0,0,.08);
}
#case-list .filter-row button:focus-visible {
  outline: 2px solid var(--cyan-light);
  outline-offset: 3px;
}
.pagination { margin-top: 42px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 28px; border-top: 1px solid var(--line); }
.pagination p { margin: 0; color: var(--muted); font-size: 12px; }
.pagination > div { display: flex; align-items: center; gap: 8px; }
.pagination button { min-width: 42px; height: 42px; padding: 0 12px; border: 1px solid var(--line); color: var(--muted); background: #fff; cursor: pointer; font-size: 12px; font-weight: 600; }
.pagination button:hover:not(:disabled), .pagination button[aria-current="page"] { color: #fff; background: var(--ink); border-color: var(--ink); }
.pagination button:disabled { opacity: .38; cursor: default; }
.pagination .pagination-direction { min-width: 70px; }
.pagination.inverse { border-color: rgba(110,230,242,.2); }
.pagination.inverse p { color: #92a9ba; }
.pagination.inverse button { color: #a9bdca; background: rgba(255,255,255,.04); border-color: rgba(110,230,242,.22); }
.pagination.inverse button:hover:not(:disabled), .pagination.inverse button[aria-current="page"] { color: var(--navy-950); background: var(--cyan-light); border-color: var(--cyan-light); }

.resource-grid { margin-top: 34px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.resource-card { position: relative; overflow: hidden; background: #fff; border: 1px solid var(--line); cursor: pointer; transition: transform 200ms ease, box-shadow 200ms ease; }
.resource-card:hover { transform: translateY(-4px); box-shadow: 0 20px 40px rgba(5,31,54,.1); }
.resource-card[hidden] { display: none; }
.card-media { position: relative; height: 260px; overflow: hidden; background: #dbe6ed; }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 320ms ease; }
.resource-card:hover .card-media img { transform: scale(1.025); }
.city-tag, .category-tag { position: absolute; left: 20px; bottom: 20px; padding: 7px 11px; color: #fff; background: rgba(3,20,38,.82); font-size: 11px; backdrop-filter: blur(8px); }
.card-content { padding: 28px; }
.card-content > span { color: var(--cyan); font-size: 11px; font-weight: 700; letter-spacing: .08em; }
.card-content h3 { margin: 12px 0 10px; font-size: 24px; line-height: 1.4; }
.card-content p { margin: 0; color: var(--muted); line-height: 1.8; }
.tags { display: flex; flex-wrap: wrap; gap: 7px; margin: 24px 0; }
.tags span { padding: 7px 9px; color: var(--muted); background: #f0f5f8; font-size: 11px; }
.text-button { display: inline-block; padding: 9px 0; color: var(--ink); background: transparent; border: 0; border-bottom: 1px solid currentColor; cursor: pointer; font-weight: 700; text-decoration: none; }
.card-hit-area { position: absolute; z-index: 3; inset: 0; }
.card-hit-area:focus-visible { outline: 3px solid var(--cyan); outline-offset: -3px; }

.proof-grid { margin-top: 52px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(110,230,242,.22); border-left: 1px solid rgba(110,230,242,.22); }
.proof-grid article { min-height: 255px; padding: 32px; border-right: 1px solid rgba(110,230,242,.22); border-bottom: 1px solid rgba(110,230,242,.22); }
.proof-grid .number { color: var(--cyan-light); font-size: 12px; }
.proof-grid h3 { margin: 42px 0 14px; font-size: 21px; }
.proof-grid p { margin: 0; color: #8fa7b8; font-size: 14px; line-height: 1.8; }

.case-grid { margin-top: 50px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.case-card { position: relative; overflow: hidden; color: #fff; background: var(--navy-950); border: 1px solid rgba(110,230,242,.2); cursor: pointer; transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease; }
.case-card:hover { transform: translateY(-4px); border-color: rgba(110,230,242,.42); box-shadow: 0 20px 44px rgba(0,0,0,.18); }
.case-card[hidden] { display: none; }
.case-card img { width: 100%; height: 330px; object-fit: cover; opacity: .82; transition: opacity 200ms ease, transform 320ms ease; }
.case-card:hover img { opacity: 1; transform: scale(1.02); }
.case-card-content { padding: 34px; }
.case-card-content > span { color: var(--cyan-light); font-size: 11px; letter-spacing: .09em; }
.case-card h3 { margin: 20px 0 14px; font-size: 26px; line-height: 1.5; }
.case-card p { color: #9bb0c0; line-height: 1.8; }
.case-flow { display: flex; flex-wrap: wrap; gap: 8px; margin: 25px 0; }
.case-flow span { padding: 7px 10px; color: #d3e3ee; background: rgba(255,255,255,.06); font-size: 11px; }
.case-card .text-button { color: var(--cyan-light); }

.image-copy { display: grid; grid-template-columns: 1fr 1fr; min-height: 610px; background: #fff; }
.image-copy.reverse .image-copy-media { order: 2; }
.image-copy-media { min-height: 500px; overflow: hidden; background: var(--navy-900); }
.image-copy-media img { width: 100%; height: 100%; object-fit: cover; }
.image-copy-content { align-self: center; max-width: 690px; padding: 80px 7vw; }
.image-copy-content .phase { color: var(--cyan); font-size: 12px; font-weight: 700; letter-spacing: .12em; }
.image-copy-content h2 { margin: 18px 0 20px; font-size: clamp(36px, 3.4vw, 52px); }
.image-copy-content > p { color: var(--muted); line-height: 1.9; }
.service-list { margin: 32px 0 0; padding: 0; list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; }
.service-list li { position: relative; padding: 15px 0 15px 21px; color: var(--ink); border-bottom: 1px solid var(--line); font-size: 14px; }
.service-list li::before { content: ""; position: absolute; left: 0; top: 22px; width: 7px; height: 7px; background: var(--cyan); border-radius: 50%; }

.standards-grid { margin-top: 50px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.standards-grid article { min-height: 245px; padding: 30px; background: #fff; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.standards-grid span { color: var(--cyan); font-size: 12px; }
.standards-grid h3 { margin: 34px 0 12px; font-size: 20px; }
.standards-grid p { color: var(--muted); font-size: 13px; line-height: 1.8; }

.about-intro { display: grid; grid-template-columns: .8fr 1.2fr; gap: 9vw; align-items: center; }
.about-brand-logo { width: min(100%, 500px); margin: 28px 0 32px; padding: 18px 0 28px; display: flex; align-items: center; border-bottom: 1px solid var(--line); }
.about-brand-logo img { display: block; width: 100%; height: auto; max-height: 108px; object-fit: contain; object-position: left center; }
.about-intro h2 { margin: 0; font-size: clamp(40px, 4vw, 58px); line-height: 1.3; }
.about-intro p { color: var(--muted); font-size: 16px; line-height: 2; }
.about-intro .signature { margin-top: 30px; color: var(--ink); font-weight: 700; }
.strength-grid { margin-top: 54px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(110,230,242,.22); border-left: 1px solid rgba(110,230,242,.22); }
.strength-grid article { min-height: 270px; padding: 32px; border-right: 1px solid rgba(110,230,242,.22); border-bottom: 1px solid rgba(110,230,242,.22); }
.strength-grid span { color: var(--cyan-light); font-size: 12px; }
.strength-grid h3 { margin: 40px 0 12px; font-size: 21px; }
.strength-grid p { color: #8ea6b8; font-size: 14px; line-height: 1.8; }
.honor-wall { margin-top: 52px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.honor-tile { overflow: hidden; background: #fff; border: 1px solid var(--line); }
.honor-tile img { width: 100%; height: 245px; object-fit: cover; }
.honor-tile div { padding: 24px 26px 28px; }
.honor-tile span { color: var(--cyan); font-size: 11px; font-weight: 700; letter-spacing: .08em; }
.honor-tile h3 { margin: 11px 0 0; font-size: 20px; }

.cta-band { padding: 76px max(32px, calc((100vw - 1260px) / 2)); display: flex; align-items: center; justify-content: space-between; gap: 60px; color: #fff; background: var(--navy-800); }
.cta-band div { max-width: 820px; }
.cta-band h2 { margin: 0; font-size: clamp(34px, 3.2vw, 48px); }
.cta-band p { margin: 18px 0 0; color: #9bb0c0; line-height: 1.8; }

.site-footer { min-height: 220px; padding: 48px max(32px, calc((100vw - 1320px) / 2)); display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 60px; align-items: center; color: #7690a3; background: #020e1b; }
.site-footer img { width: 180px; }
.site-footer p { font-size: 11px; line-height: 1.7; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 28px; }
.footer-links a { color: #8ca2b3; font-size: 12px; text-decoration: none; }
.site-footer > div:last-child { justify-self: end; }

.modal-backdrop { position: fixed; z-index: 100; inset: 0; display: grid; place-items: center; padding: 24px; background: rgba(1,12,24,.84); backdrop-filter: blur(10px); }
.modal-backdrop[hidden] { display: none; }
.assessment-modal { position: relative; width: min(720px, 100%); max-height: calc(100vh - 48px); overflow: auto; padding: 46px; background: #fff; border: 1px solid rgba(110,230,242,.28); box-shadow: 0 30px 80px rgba(0,0,0,.38); }
.modal-close { position: absolute; top: 16px; right: 16px; min-width: 52px; height: 36px; padding: 0 10px; border: 0; color: var(--ink); background: var(--surface); cursor: pointer; font-size: 12px; font-weight: 600; }
.assessment-modal h2 { margin: 0; font-size: 34px; }
.assessment-modal > p { color: var(--muted); line-height: 1.75; }
.form-grid { margin-top: 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid label { display: grid; gap: 8px; color: var(--ink); font-size: 12px; font-weight: 600; }
.form-grid label.wide { grid-column: 1 / -1; }
.form-grid input, .form-grid textarea { width: 100%; border: 1px solid var(--line); padding: 13px 14px; background: #f9fbfc; }
.consent { display: flex; align-items: flex-start; gap: 10px; margin: 18px 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.form-success { padding: 58px 12px 34px; text-align: center; }
.form-success h3 { font-size: 28px; }
.form-success p { color: var(--muted); }

html[lang="en"] body, html[lang="ru"] body { font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; }
html[lang="en"] .channel-hero h1 { max-width: 820px; font-size: clamp(48px, 5vw, 72px); line-height: 1.1; }
html[lang="ru"] .site-nav { gap: clamp(18px, 2vw, 30px); }
html[lang="ru"] .site-nav a { font-size: 13px; }
html[lang="ru"] .channel-hero h1 { max-width: 850px; font-size: clamp(44px, 4.6vw, 66px); line-height: 1.12; }
html[lang="ru"] .button { padding-left: 22px; padding-right: 22px; }

@media (max-width: 1100px) {
  .site-header { padding: 0 28px; }
  .site-nav, .header-actions .language-switch { display: none; }
  .header-actions { margin-left: auto; }
  .menu-toggle { display: block; }
  .mobile-nav { position: absolute; top: 88px; left: 0; right: 0; padding: 20px 28px 26px; background: rgba(3,20,38,.98); border-bottom: 1px solid rgba(110,230,242,.2); }
  .mobile-nav.open { display: grid; }
  .mobile-nav a { padding: 14px 0; color: #fff; border-bottom: 1px solid rgba(255,255,255,.1); text-decoration: none; }
  .resource-grid, .honor-wall { grid-template-columns: repeat(2, 1fr); }
  .proof-grid, .standards-grid, .strength-grid { grid-template-columns: repeat(2, 1fr); }
  .site-footer { grid-template-columns: 1fr 1fr; }
  .site-footer > div:last-child { justify-self: start; }
}

@media (max-width: 760px) {
  .site-header { height: 76px; padding: 0 20px; }
  .brand img { width: 145px; height: 48px; }
  .header-cta { display: none; }
  .mobile-nav { top: 76px; padding: 18px 20px 24px; }
  .channel-hero { min-height: 640px; padding: 148px 20px 70px; }
  .channel-hero > img { width: 100%; height: 58%; top: 76px; opacity: .72; }
  .channel-hero::before { box-shadow: inset 0 -390px 170px -42px var(--navy-950), inset 0 110px 100px -80px var(--navy-950); }
  .channel-hero h1 { font-size: 48px; }
  html[lang="en"] .channel-hero h1 { font-size: 42px; }
  html[lang="ru"] .channel-hero h1 { font-size: 39px; }
  .channel-hero .lead { font-size: 15px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .trust-strip { grid-template-columns: 1fr 1fr; padding: 0; }
  .trust-strip span { min-height: 70px; padding: 12px; font-size: 11px; }
  .section { padding: 76px 20px; }
  .section-heading.wide { display: block; }
  .section-heading.wide p { margin-top: 20px; }
  .filter-row { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 6px; }
  .filter-row button { flex: 0 0 auto; }
  .pagination { align-items: flex-start; flex-direction: column; }
  .pagination > div { width: 100%; justify-content: space-between; }
  .pagination button { min-width: 40px; padding: 0 9px; }
  .pagination .pagination-direction { min-width: 64px; }
  .resource-grid, .case-grid, .honor-wall { grid-template-columns: 1fr; }
  .card-media, .case-card img { height: 230px; }
  .proof-grid, .standards-grid, .strength-grid { grid-template-columns: 1fr; }
  .proof-grid article, .standards-grid article, .strength-grid article { min-height: auto; }
  .image-copy, .image-copy.reverse { grid-template-columns: 1fr; }
  .image-copy.reverse .image-copy-media { order: 0; }
  .image-copy-media { min-height: 330px; }
  .image-copy-content { padding: 64px 20px; }
  .service-list { grid-template-columns: 1fr; }
  .about-intro { grid-template-columns: 1fr; gap: 35px; }
  .about-brand-logo { width: 100%; max-width: 500px; margin: 22px 0 24px; padding: 14px 0 24px; }
  .cta-band { padding: 64px 20px; align-items: stretch; flex-direction: column; gap: 28px; }
  .site-footer { grid-template-columns: 1fr; gap: 30px; padding: 45px 20px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-grid label.wide { grid-column: auto; }
  .assessment-modal { padding: 42px 22px 28px; }
}

@media (max-width: 430px) {
  .channel-hero h1 { font-size: 42px; }
  .section-heading h2, .image-copy-content h2 { font-size: 32px; }
  .card-content, .case-card-content { padding: 24px; }
  .footer-links { grid-template-columns: 1fr; }
}